File: [local] / sys / dev / pci / pciide.c (download)
Revision 1.1, Tue Mar 4 16:13:47 2008 UTC (16 years, 1 month ago) by nbrk
Branch point for: MAIN
Initial revision
|
/* $OpenBSD: pciide.c,v 1.272 2007/07/02 14:01:14 dlg Exp $ */
/* $NetBSD: pciide.c,v 1.127 2001/08/03 01:31:08 tsutsui Exp $ */
/*
* Copyright (c) 1999, 2000, 2001 Manuel Bouyer.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Manuel Bouyer.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
* Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* PCI IDE controller driver.
*
* Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
* sys/dev/pci/ppb.c, revision 1.16).
*
* See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and
* "Programming Interface for Bus Master IDE Controller, Revision 1.0
* 5/16/94" from the PCI SIG.
*
*/
#define DEBUG_DMA 0x01
#define DEBUG_XFERS 0x02
#define DEBUG_FUNCS 0x08
#define DEBUG_PROBE 0x10
#ifdef WDCDEBUG
#ifndef WDCDEBUG_PCIIDE_MASK
#define WDCDEBUG_PCIIDE_MASK 0x00
#endif
int wdcdebug_pciide_mask = WDCDEBUG_PCIIDE_MASK;
#define WDCDEBUG_PRINT(args, level) do { \
if ((wdcdebug_pciide_mask & (level)) != 0) \
printf args; \
} while (0)
#else
#define WDCDEBUG_PRINT(args, level)
#endif
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <machine/endian.h>
#include <dev/ata/atavar.h>
#include <dev/ata/satareg.h>
#include <dev/ic/wdcreg.h>
#include <dev/ic/wdcvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#if defined(SMALL_KERNEL)
#define INLINE
#else
#define INLINE __inline
#endif
#include <dev/pci/pciidereg.h>
#include <dev/pci/pciidevar.h>
#include <dev/pci/pciide_piix_reg.h>
#include <dev/pci/pciide_amd_reg.h>
#include <dev/pci/pciide_apollo_reg.h>
#include <dev/pci/pciide_cmd_reg.h>
#include <dev/pci/pciide_sii3112_reg.h>
#include <dev/pci/pciide_cy693_reg.h>
#include <dev/pci/pciide_sis_reg.h>
#include <dev/pci/pciide_acer_reg.h>
#include <dev/pci/pciide_pdc202xx_reg.h>
#include <dev/pci/pciide_opti_reg.h>
#include <dev/pci/pciide_hpt_reg.h>
#include <dev/pci/pciide_acard_reg.h>
#include <dev/pci/pciide_natsemi_reg.h>
#include <dev/pci/pciide_nforce_reg.h>
#include <dev/pci/pciide_i31244_reg.h>
#include <dev/pci/pciide_ite_reg.h>
#include <dev/pci/pciide_ixp_reg.h>
#include <dev/pci/pciide_svwsata_reg.h>
#include <dev/pci/pciide_jmicron_reg.h>
#include <dev/pci/cy82c693var.h>
/* inlines for reading/writing 8-bit PCI registers */
static INLINE u_int8_t pciide_pci_read(pci_chipset_tag_t, pcitag_t,
int);
static INLINE void pciide_pci_write(pci_chipset_tag_t, pcitag_t,
int, u_int8_t);
static INLINE u_int8_t
pciide_pci_read(pci_chipset_tag_t pc, pcitag_t pa, int reg)
{
return (pci_conf_read(pc, pa, (reg & ~0x03)) >>
((reg & 0x03) * 8) & 0xff);
}
static INLINE void
pciide_pci_write(pci_chipset_tag_t pc, pcitag_t pa, int reg, u_int8_t val)
{
pcireg_t pcival;
pcival = pci_conf_read(pc, pa, (reg & ~0x03));
pcival &= ~(0xff << ((reg & 0x03) * 8));
pcival |= (val << ((reg & 0x03) * 8));
pci_conf_write(pc, pa, (reg & ~0x03), pcival);
}
void default_chip_map(struct pciide_softc *, struct pci_attach_args *);
void sata_chip_map(struct pciide_softc *, struct pci_attach_args *);
void sata_setup_channel(struct channel_softc *);
void piix_chip_map(struct pciide_softc *, struct pci_attach_args *);
void piixsata_chip_map(struct pciide_softc *, struct pci_attach_args *);
void piix_setup_channel(struct channel_softc *);
void piix3_4_setup_channel(struct channel_softc *);
void piix_timing_debug(struct pciide_softc *);
static u_int32_t piix_setup_idetim_timings(u_int8_t, u_int8_t, u_int8_t);
static u_int32_t piix_setup_idetim_drvs(struct ata_drive_datas *);
static u_int32_t piix_setup_sidetim_timings(u_int8_t, u_int8_t, u_int8_t);
void amd756_chip_map(struct pciide_softc *, struct pci_attach_args *);
void amd756_setup_channel(struct channel_softc *);
void apollo_chip_map(struct pciide_softc *, struct pci_attach_args *);
void apollo_setup_channel(struct channel_softc *);
void cmd_chip_map(struct pciide_softc *, struct pci_attach_args *);
void cmd0643_9_chip_map(struct pciide_softc *, struct pci_attach_args *);
void cmd0643_9_setup_channel(struct channel_softc *);
void cmd680_chip_map(struct pciide_softc *, struct pci_attach_args *);
void cmd680_setup_channel(struct channel_softc *);
void cmd680_channel_map(struct pci_attach_args *, struct pciide_softc *, int);
void cmd_channel_map(struct pci_attach_args *,
struct pciide_softc *, int);
int cmd_pci_intr(void *);
void cmd646_9_irqack(struct channel_softc *);
void sii_fixup_cacheline(struct pciide_softc *, struct pci_attach_args *);
void sii3112_chip_map(struct pciide_softc *, struct pci_attach_args *);
void sii3112_setup_channel(struct channel_softc *);
void sii3112_drv_probe(struct channel_softc *);
void sii3114_chip_map(struct pciide_softc *, struct pci_attach_args *);
void sii3114_mapreg_dma(struct pciide_softc *, struct pci_attach_args *);
int sii3114_chansetup(struct pciide_softc *, int);
void sii3114_mapchan(struct pciide_channel *);
u_int8_t sii3114_dmacmd_read(struct pciide_softc *, int);
void sii3114_dmacmd_write(struct pciide_softc *, int, u_int8_t);
u_int8_t sii3114_dmactl_read(struct pciide_softc *, int);
void sii3114_dmactl_write(struct pciide_softc *, int, u_int8_t);
void sii3114_dmatbl_write(struct pciide_softc *, int, u_int32_t);
void cy693_chip_map(struct pciide_softc *, struct pci_attach_args *);
void cy693_setup_channel(struct channel_softc *);
void sis_chip_map(struct pciide_softc *, struct pci_attach_args *);
void sis_setup_channel(struct channel_softc *);
void sis96x_setup_channel(struct channel_softc *);
int sis_hostbr_match(struct pci_attach_args *);
int sis_south_match(struct pci_attach_args *);
void natsemi_chip_map(struct pciide_softc *, struct pci_attach_args *);
void natsemi_setup_channel(struct channel_softc *);
int natsemi_pci_intr(void *);
void natsemi_irqack(struct channel_softc *);
void ns_scx200_chip_map(struct pciide_softc *, struct pci_attach_args *);
void ns_scx200_setup_channel(struct channel_softc *);
void acer_chip_map(struct pciide_softc *, struct pci_attach_args *);
void acer_setup_channel(struct channel_softc *);
int acer_pci_intr(void *);
void pdc202xx_chip_map(struct pciide_softc *, struct pci_attach_args *);
void pdc202xx_setup_channel(struct channel_softc *);
void pdc20268_setup_channel(struct channel_softc *);
int pdc202xx_pci_intr(void *);
int pdc20265_pci_intr(void *);
void pdc20262_dma_start(void *, int, int);
int pdc20262_dma_finish(void *, int, int, int);
void pdcsata_chip_map(struct pciide_softc *, struct pci_attach_args *);
void pdc203xx_setup_channel(struct channel_softc *);
int pdc203xx_pci_intr(void *);
void pdc203xx_irqack(struct channel_softc *);
void pdc203xx_dma_start(void *,int ,int);
int pdc203xx_dma_finish(void *, int, int, int);
int pdc205xx_pci_intr(void *);
void pdc205xx_do_reset(struct channel_softc *);
void pdc205xx_drv_probe(struct channel_softc *);
void opti_chip_map(struct pciide_softc *, struct pci_attach_args *);
void opti_setup_channel(struct channel_softc *);
void hpt_chip_map(struct pciide_softc *, struct pci_attach_args *);
void hpt_setup_channel(struct channel_softc *);
int hpt_pci_intr(void *);
void acard_chip_map(struct pciide_softc *, struct pci_attach_args *);
void acard_setup_channel(struct channel_softc *);
void serverworks_chip_map(struct pciide_softc *, struct pci_attach_args *);
void serverworks_setup_channel(struct channel_softc *);
int serverworks_pci_intr(void *);
void svwsata_chip_map(struct pciide_softc *, struct pci_attach_args *);
void svwsata_mapreg_dma(struct pciide_softc *, struct pci_attach_args *);
void svwsata_mapchan(struct pciide_channel *);
u_int8_t svwsata_dmacmd_read(struct pciide_softc *, int);
void svwsata_dmacmd_write(struct pciide_softc *, int, u_int8_t);
u_int8_t svwsata_dmactl_read(struct pciide_softc *, int);
void svwsata_dmactl_write(struct pciide_softc *, int, u_int8_t);
void svwsata_dmatbl_write(struct pciide_softc *, int, u_int32_t);
void svwsata_drv_probe(struct channel_softc *);
void nforce_chip_map(struct pciide_softc *, struct pci_attach_args *);
void nforce_setup_channel(struct channel_softc *);
int nforce_pci_intr(void *);
void artisea_chip_map(struct pciide_softc *, struct pci_attach_args *);
void ite_chip_map(struct pciide_softc *, struct pci_attach_args *);
void ite_setup_channel(struct channel_softc *);
void ixp_chip_map(struct pciide_softc *, struct pci_attach_args *);
void ixp_setup_channel(struct channel_softc *);
void jmicron_chip_map(struct pciide_softc *, struct pci_attach_args *);
void jmicron_setup_channel(struct channel_softc *);
u_int8_t pciide_dmacmd_read(struct pciide_softc *, int);
void pciide_dmacmd_write(struct pciide_softc *, int, u_int8_t);
u_int8_t pciide_dmactl_read(struct pciide_softc *, int);
void pciide_dmactl_write(struct pciide_softc *, int, u_int8_t);
void pciide_dmatbl_write(struct pciide_softc *, int, u_int32_t);
void pciide_channel_dma_setup(struct pciide_channel *);
int pciide_dma_table_setup(struct pciide_softc *, int, int);
int pciide_dma_init(void *, int, int, void *, size_t, int);
void pciide_dma_start(void *, int, int);
int pciide_dma_finish(void *, int, int, int);
void pciide_irqack(struct channel_softc *);
void pciide_print_modes(struct pciide_channel *);
void pciide_print_channels(int, pcireg_t);
struct pciide_product_desc {
u_int32_t ide_product;
u_short ide_flags;
/* map and setup chip, probe drives */
void (*chip_map)(struct pciide_softc *, struct pci_attach_args *);
};
/* Flags for ide_flags */
#define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */
#define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */
/* Default product description for devices not known from this controller */
const struct pciide_product_desc default_product_desc = {
0, /* Generic PCI IDE controller */
0,
default_chip_map
};
const struct pciide_product_desc pciide_intel_products[] = {
{ PCI_PRODUCT_INTEL_31244, /* Intel 31244 SATA */
0,
artisea_chip_map
},
{ PCI_PRODUCT_INTEL_82092AA, /* Intel 82092AA IDE */
0,
default_chip_map
},
{ PCI_PRODUCT_INTEL_82371FB_IDE, /* Intel 82371FB IDE (PIIX) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82371FB_ISA, /* Intel 82371FB IDE (PIIX) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82372FB_IDE, /* Intel 82372FB IDE (PIIX4) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82371SB_IDE, /* Intel 82371SB IDE (PIIX3) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82371AB_IDE, /* Intel 82371AB IDE (PIIX4) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82371MX, /* Intel 82371MX IDE */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82440MX_IDE, /* Intel 82440MX IDE */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82451NX, /* Intel 82451NX (PIIX4) IDE */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801AA_IDE, /* Intel 82801AA IDE (ICH) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801AB_IDE, /* Intel 82801AB IDE (ICH0) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801BAM_IDE, /* Intel 82801BAM IDE (ICH2) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801BA_IDE, /* Intel 82801BA IDE (ICH2) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801CAM_IDE, /* Intel 82801CAM IDE (ICH3) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801CA_IDE, /* Intel 82801CA IDE (ICH3) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801DB_IDE, /* Intel 82801DB IDE (ICH4) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801DBL_IDE, /* Intel 82801DBL IDE (ICH4-L) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801DBM_IDE, /* Intel 82801DBM IDE (ICH4-M) */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801EB_IDE, /* Intel 82801EB/ER (ICH5/5R) IDE */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801EB_SATA, /* Intel 82801EB (ICH5) SATA */
0,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801ER_SATA, /* Intel 82801ER (ICH5R) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_6300ESB_IDE, /* Intel 6300ESB IDE */
IDE_PCI_CLASS_OVERRIDE,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_6300ESB_SATA, /* Intel 6300ESB SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_6300ESB_SATA2, /* Intel 6300ESB SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_6321ESB_IDE, /* Intel 6321ESB IDE */
IDE_PCI_CLASS_OVERRIDE,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801FB_IDE, /* Intel 82801FB (ICH6) IDE */
IDE_PCI_CLASS_OVERRIDE,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801FBM_SATA, /* Intel 82801FBM (ICH6M) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801FB_SATA, /* Intel 82801FB (ICH6) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801FR_SATA, /* Intel 82801FR (ICH6R) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GB_IDE, /* Intel 82801GB (ICH7) IDE */
IDE_PCI_CLASS_OVERRIDE,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_82801GB_SATA, /* Intel 82801GB (ICH7) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GR_SATA, /* Intel 82801GR (ICH7R) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GR_AHCI, /* Intel 82801GR (ICH7R) AHCI */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GBM_SATA, /* Intel 82801GBM (ICH7M) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GBM_AHCI, /* Intel 82801GBM (ICH7M) AHCI */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801GHM_RAID, /* Intel 82801GHM (ICH7-M DH) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801H_SATA_1_6P, /* Intel 82801H (ICH8) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801H_AHCI, /* Intel 82801H (ICH8) AHCI */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801H_RAID, /* Intel 82801H (ICH8) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801H_SATA_1_4P, /* Intel 82801H (ICH8) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801H_SATA_2, /* Intel 82801H (ICH8) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801HBM_SATA_1, /* Intel 82801HBM (ICH8M) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801HBM_SATA_2, /* Intel 82801HBM (ICH8M) SATA */
IDE_PCI_CLASS_OVERRIDE,
piixsata_chip_map
},
{ PCI_PRODUCT_INTEL_82801HBM_IDE, /* Intel 82801HBM (ICH8M) IDE */
0,
piix_chip_map
},
{ PCI_PRODUCT_INTEL_6321ESB_SATA, /* Intel 6321ESB SATA */
0,
piixsata_chip_map
}
};
const struct pciide_product_desc pciide_amd_products[] = {
{ PCI_PRODUCT_AMD_PBC756_IDE, /* AMD 756 */
0,
amd756_chip_map
},
{ PCI_PRODUCT_AMD_766_IDE, /* AMD 766 */
0,
amd756_chip_map
},
{ PCI_PRODUCT_AMD_PBC768_IDE,
0,
amd756_chip_map
},
{ PCI_PRODUCT_AMD_8111_IDE,
0,
amd756_chip_map
},
{ PCI_PRODUCT_AMD_CS5536_IDE,
0,
amd756_chip_map
}
};
#ifdef notyet
const struct pciide_product_desc pciide_opti_products[] = {
{ PCI_PRODUCT_OPTI_82C621,
0,
opti_chip_map
},
{ PCI_PRODUCT_OPTI_82C568,
0,
opti_chip_map
},
{ PCI_PRODUCT_OPTI_82D568,
0,
opti_chip_map
}
};
#endif
const struct pciide_product_desc pciide_cmd_products[] = {
{ PCI_PRODUCT_CMDTECH_640, /* CMD Technology PCI0640 */
0,
cmd_chip_map
},
{ PCI_PRODUCT_CMDTECH_643, /* CMD Technology PCI0643 */
0,
cmd0643_9_chip_map
},
{ PCI_PRODUCT_CMDTECH_646, /* CMD Technology PCI0646 */
0,
cmd0643_9_chip_map
},
{ PCI_PRODUCT_CMDTECH_648, /* CMD Technology PCI0648 */
IDE_PCI_CLASS_OVERRIDE,
cmd0643_9_chip_map
},
{ PCI_PRODUCT_CMDTECH_649, /* CMD Technology PCI0649 */
IDE_PCI_CLASS_OVERRIDE,
cmd0643_9_chip_map
},
{ PCI_PRODUCT_CMDTECH_680, /* CMD Technology PCI0680 */
IDE_PCI_CLASS_OVERRIDE,
cmd680_chip_map
},
{ PCI_PRODUCT_CMDTECH_3112, /* SiI3112 SATA */
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
},
{ PCI_PRODUCT_CMDTECH_3512, /* SiI3512 SATA */
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
},
{ PCI_PRODUCT_CMDTECH_AAR_1210SA, /* Adaptec AAR-1210SA */
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
},
{ PCI_PRODUCT_CMDTECH_3114, /* SiI3114 */
IDE_PCI_CLASS_OVERRIDE,
sii3114_chip_map
}
};
const struct pciide_product_desc pciide_via_products[] = {
{ PCI_PRODUCT_VIATECH_VT82C416, /* VIA VT82C416 IDE */
0,
apollo_chip_map
},
{ PCI_PRODUCT_VIATECH_VT82C571, /* VIA VT82C571 IDE */
0,
apollo_chip_map
},
{ PCI_PRODUCT_VIATECH_VT6410, /* VIA VT6410 IDE */
IDE_PCI_CLASS_OVERRIDE,
apollo_chip_map
},
{ PCI_PRODUCT_VIATECH_CX700_IDE, /* VIA CX700 IDE */
0,
apollo_chip_map
},
{ PCI_PRODUCT_VIATECH_VT6420_SATA, /* VIA VT6420 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
},
{ PCI_PRODUCT_VIATECH_VT6421_SATA, /* VIA VT6421 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
},
{ PCI_PRODUCT_VIATECH_VT8237A_SATA, /* VIA VT8237A SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
},
{ PCI_PRODUCT_VIATECH_VT8237A_SATA_2, /* VIA VT8237A SATA */
0,
sata_chip_map
},
{ PCI_PRODUCT_VIATECH_VT8251_SATA, /* VIA VT8251 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
}
};
const struct pciide_product_desc pciide_cypress_products[] = {
{ PCI_PRODUCT_CONTAQ_82C693, /* Contaq CY82C693 IDE */
IDE_16BIT_IOSPACE,
cy693_chip_map
}
};
const struct pciide_product_desc pciide_sis_products[] = {
{ PCI_PRODUCT_SIS_5513, /* SIS 5513 EIDE */
0,
sis_chip_map
},
{ PCI_PRODUCT_SIS_180, /* SIS 180 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
},
{ PCI_PRODUCT_SIS_181, /* SIS 181 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
},
{ PCI_PRODUCT_SIS_182, /* SIS 182 SATA */
IDE_PCI_CLASS_OVERRIDE,
sata_chip_map
}
};
const struct pciide_product_desc pciide_natsemi_products[] = {
{ PCI_PRODUCT_NS_PC87415, /* National Semi PC87415 IDE */
0,
natsemi_chip_map
},
{ PCI_PRODUCT_NS_SCx200_IDE, /* National Semi SCx200 IDE */
0,
ns_scx200_chip_map
}
};
const struct pciide_product_desc pciide_acer_products[] = {
{ PCI_PRODUCT_ALI_M5229, /* Acer Labs M5229 UDMA IDE */
0,
acer_chip_map
}
};
const struct pciide_product_desc pciide_triones_products[] = {
{ PCI_PRODUCT_TRIONES_HPT366, /* Highpoint HPT36x/37x IDE */
IDE_PCI_CLASS_OVERRIDE,
hpt_chip_map,
},
{ PCI_PRODUCT_TRIONES_HPT372A, /* Highpoint HPT372A IDE */
IDE_PCI_CLASS_OVERRIDE,
hpt_chip_map
},
{ PCI_PRODUCT_TRIONES_HPT302, /* Highpoint HPT302 IDE */
IDE_PCI_CLASS_OVERRIDE,
hpt_chip_map
},
{ PCI_PRODUCT_TRIONES_HPT371, /* Highpoint HPT371 IDE */
IDE_PCI_CLASS_OVERRIDE,
hpt_chip_map
},
{ PCI_PRODUCT_TRIONES_HPT374, /* Highpoint HPT374 IDE */
IDE_PCI_CLASS_OVERRIDE,
hpt_chip_map
}
};
const struct pciide_product_desc pciide_promise_products[] = {
{ PCI_PRODUCT_PROMISE_PDC20246,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20262,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20265,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20267,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20268,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20268R,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20269,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20271,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20275,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20276,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20277,
IDE_PCI_CLASS_OVERRIDE,
pdc202xx_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20318,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20319,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20371,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20375,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20376,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20377,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20378,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20379,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC40518,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC40519,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC40718,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC40719,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC40779,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20571,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20575,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20579,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20771,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
},
{ PCI_PRODUCT_PROMISE_PDC20775,
IDE_PCI_CLASS_OVERRIDE,
pdcsata_chip_map,
}
};
const struct pciide_product_desc pciide_acard_products[] = {
{ PCI_PRODUCT_ACARD_ATP850U, /* Acard ATP850U Ultra33 Controller */
IDE_PCI_CLASS_OVERRIDE,
acard_chip_map,
},
{ PCI_PRODUCT_ACARD_ATP860, /* Acard ATP860 Ultra66 Controller */
IDE_PCI_CLASS_OVERRIDE,
acard_chip_map,
},
{ PCI_PRODUCT_ACARD_ATP860A, /* Acard ATP860-A Ultra66 Controller */
IDE_PCI_CLASS_OVERRIDE,
acard_chip_map,
},
{ PCI_PRODUCT_ACARD_ATP865A, /* Acard ATP865-A Ultra133 Controller */
IDE_PCI_CLASS_OVERRIDE,
acard_chip_map,
},
{ PCI_PRODUCT_ACARD_ATP865R, /* Acard ATP865-R Ultra133 Controller */
IDE_PCI_CLASS_OVERRIDE,
acard_chip_map,
}
};
const struct pciide_product_desc pciide_serverworks_products[] = {
{ PCI_PRODUCT_RCC_OSB4_IDE,
0,
serverworks_chip_map,
},
{ PCI_PRODUCT_RCC_CSB5_IDE,
0,
serverworks_chip_map,
},
{ PCI_PRODUCT_RCC_CSB6_IDE,
0,
serverworks_chip_map,
},
{ PCI_PRODUCT_RCC_CSB6_RAID_IDE,
0,
serverworks_chip_map,
},
{ PCI_PRODUCT_RCC_HT_1000_IDE,
0,
serverworks_chip_map,
},
{ PCI_PRODUCT_RCC_K2_SATA,
IDE_PCI_CLASS_OVERRIDE,
svwsata_chip_map,
},
{ PCI_PRODUCT_RCC_FRODO4_SATA,
0,
svwsata_chip_map,
},
{ PCI_PRODUCT_RCC_FRODO8_SATA,
0,
svwsata_chip_map,
},
{ PCI_PRODUCT_RCC_HT_1000_SATA_1,
0,
svwsata_chip_map,
},
{ PCI_PRODUCT_RCC_HT_1000_SATA_2,
0,
svwsata_chip_map,
}
};
const struct pciide_product_desc pciide_nvidia_products[] = {
{ PCI_PRODUCT_NVIDIA_NFORCE_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE2_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE2_400_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE3_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE3_250_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE4_ATA133,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP04_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP51_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP55_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP61_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP65_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP67_IDE,
0,
nforce_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE2_400_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE3_250_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE4_SATA1,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_NFORCE4_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP04_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP04_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP51_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP51_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP55_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP55_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP61_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP61_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP61_SATA3,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP65_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP65_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP65_SATA3,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP65_SATA4,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP67_SATA,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP67_SATA2,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP67_SATA3,
0,
sata_chip_map
},
{ PCI_PRODUCT_NVIDIA_MCP67_SATA4,
0,
sata_chip_map
}
};
const struct pciide_product_desc pciide_ite_products[] = {
{ PCI_PRODUCT_ITEXPRESS_IT8211F,
IDE_PCI_CLASS_OVERRIDE,
ite_chip_map
},
{ PCI_PRODUCT_ITEXPRESS_IT8212F,
IDE_PCI_CLASS_OVERRIDE,
ite_chip_map
}
};
const struct pciide_product_desc pciide_ati_products[] = {
{ PCI_PRODUCT_ATI_IXP_IDE_200,
0,
ixp_chip_map
},
{ PCI_PRODUCT_ATI_IXP_IDE_300,
0,
ixp_chip_map
},
{ PCI_PRODUCT_ATI_IXP_IDE_400,
0,
ixp_chip_map
},
{ PCI_PRODUCT_ATI_IXP_IDE_600,
0,
ixp_chip_map
},
{ PCI_PRODUCT_ATI_IXP_SATA_300,
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
},
{ PCI_PRODUCT_ATI_IXP_SATA_400_1,
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
},
{ PCI_PRODUCT_ATI_IXP_SATA_400_2,
IDE_PCI_CLASS_OVERRIDE,
sii3112_chip_map
}
};
const struct pciide_product_desc pciide_jmicron_products[] = {
{ PCI_PRODUCT_JMICRON_JMB361,
0,
jmicron_chip_map
},
{ PCI_PRODUCT_JMICRON_JMB363,
0,
jmicron_chip_map
},
{ PCI_PRODUCT_JMICRON_JMB365,
0,
jmicron_chip_map
},
{ PCI_PRODUCT_JMICRON_JMB366,
0,
jmicron_chip_map
},
{ PCI_PRODUCT_JMICRON_JMB368,
0,
jmicron_chip_map
}
};
struct pciide_vendor_desc {
u_int32_t ide_vendor;
const struct pciide_product_desc *ide_products;
int ide_nproducts;
};
const struct pciide_vendor_desc pciide_vendors[] = {
{ PCI_VENDOR_INTEL, pciide_intel_products,
sizeof(pciide_intel_products)/sizeof(pciide_intel_products[0]) },
{ PCI_VENDOR_AMD, pciide_amd_products,
sizeof(pciide_amd_products)/sizeof(pciide_amd_products[0]) },
#ifdef notyet
{ PCI_VENDOR_OPTI, pciide_opti_products,
sizeof(pciide_opti_products)/sizeof(pciide_opti_products[0]) },
#endif
{ PCI_VENDOR_CMDTECH, pciide_cmd_products,
sizeof(pciide_cmd_products)/sizeof(pciide_cmd_products[0]) },
{ PCI_VENDOR_VIATECH, pciide_via_products,
sizeof(pciide_via_products)/sizeof(pciide_via_products[0]) },
{ PCI_VENDOR_CONTAQ, pciide_cypress_products,
sizeof(pciide_cypress_products)/sizeof(pciide_cypress_products[0]) },
{ PCI_VENDOR_SIS, pciide_sis_products,
sizeof(pciide_sis_products)/sizeof(pciide_sis_products[0]) },
{ PCI_VENDOR_NS, pciide_natsemi_products,
sizeof(pciide_natsemi_products)/sizeof(pciide_natsemi_products[0]) },
{ PCI_VENDOR_ALI, pciide_acer_products,
sizeof(pciide_acer_products)/sizeof(pciide_acer_products[0]) },
{ PCI_VENDOR_TRIONES, pciide_triones_products,
sizeof(pciide_triones_products)/sizeof(pciide_triones_products[0]) },
{ PCI_VENDOR_ACARD, pciide_acard_products,
sizeof(pciide_acard_products)/sizeof(pciide_acard_products[0]) },
{ PCI_VENDOR_RCC, pciide_serverworks_products,
sizeof(pciide_serverworks_products)/sizeof(pciide_serverworks_products[0]) },
{ PCI_VENDOR_PROMISE, pciide_promise_products,
sizeof(pciide_promise_products)/sizeof(pciide_promise_products[0]) },
{ PCI_VENDOR_NVIDIA, pciide_nvidia_products,
sizeof(pciide_nvidia_products)/sizeof(pciide_nvidia_products[0]) },
{ PCI_VENDOR_ITEXPRESS, pciide_ite_products,
sizeof(pciide_ite_products)/sizeof(pciide_ite_products[0]) },
{ PCI_VENDOR_ATI, pciide_ati_products,
sizeof(pciide_ati_products)/sizeof(pciide_ati_products[0]) },
{ PCI_VENDOR_JMICRON, pciide_jmicron_products,
sizeof(pciide_jmicron_products)/sizeof(pciide_jmicron_products[0]) }
};
/* options passed via the 'flags' config keyword */
#define PCIIDE_OPTIONS_DMA 0x01
int pciide_match(struct device *, void *, void *);
void pciide_attach(struct device *, struct device *, void *);
struct cfattach pciide_pci_ca = {
sizeof(struct pciide_softc), pciide_match, pciide_attach
};
struct cfattach pciide_jmb_ca = {
sizeof(struct pciide_softc), pciide_match, pciide_attach
};
struct cfdriver pciide_cd = {
NULL, "pciide", DV_DULL
};
int pciide_mapregs_compat( struct pci_attach_args *,
struct pciide_channel *, int, bus_size_t *, bus_size_t *);
int pciide_mapregs_native(struct pci_attach_args *,
struct pciide_channel *, bus_size_t *, bus_size_t *,
int (*pci_intr)(void *));
void pciide_mapreg_dma(struct pciide_softc *,
struct pci_attach_args *);
int pciide_chansetup(struct pciide_softc *, int, pcireg_t);
void pciide_mapchan(struct pci_attach_args *,
struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *,
int (*pci_intr)(void *));
int pciide_chan_candisable(struct pciide_channel *);
void pciide_map_compat_intr( struct pci_attach_args *,
struct pciide_channel *, int, int);
void pciide_unmap_compat_intr( struct pci_attach_args *,
struct pciide_channel *, int, int);
int pciide_compat_intr(void *);
int pciide_pci_intr(void *);
int pciide_intr_flag(struct pciide_channel *);
const struct pciide_product_desc *pciide_lookup_product(u_int32_t);
const struct pciide_product_desc *
pciide_lookup_product(u_int32_t id)
{
const struct pciide_product_desc *pp;
const struct pciide_vendor_desc *vp;
int i;
for (i = 0, vp = pciide_vendors;
i < sizeof(pciide_vendors)/sizeof(pciide_vendors[0]);
vp++, i++)
if (PCI_VENDOR(id) == vp->ide_vendor)
break;
if (i == sizeof(pciide_vendors)/sizeof(pciide_vendors[0]))
return (NULL);
for (pp = vp->ide_products, i = 0; i < vp->ide_nproducts; pp++, i++)
if (PCI_PRODUCT(id) == pp->ide_product)
break;
if (i == vp->ide_nproducts)
return (NULL);
return (pp);
}
int
pciide_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
const struct pciide_product_desc *pp;
/*
* Some IDE controllers have severe bugs when used in PCI mode.
* We punt and attach them to the ISA bus instead.
*/
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_PCTECH &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_PCTECH_RZ1000)
return (0);
/*
* Some controllers (e.g. promise Ultra-33) don't claim to be PCI IDE
* controllers. Let see if we can deal with it anyway.
*/
pp = pciide_lookup_product(pa->pa_id);
if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE))
return (1);
/*
* Check the ID register to see that it's a PCI IDE controller.
* If it is, we assume that we can deal with it; it _should_
* work in a standardized way...
*/
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE) {
switch (PCI_SUBCLASS(pa->pa_class)) {
case PCI_SUBCLASS_MASS_STORAGE_IDE:
return (1);
/*
* We only match these if we know they have
* a match, as we may not support native interfaces
* on them.
*/
case PCI_SUBCLASS_MASS_STORAGE_SATA:
case PCI_SUBCLASS_MASS_STORAGE_RAID:
if (pp)
return (1);
else
return (0);
break;
}
}
return (0);
}
void
pciide_attach(struct device *parent, struct device *self, void *aux)
{
struct pciide_softc *sc = (struct pciide_softc *)self;
struct pci_attach_args *pa = aux;
sc->sc_pp = pciide_lookup_product(pa->pa_id);
if (sc->sc_pp == NULL)
sc->sc_pp = &default_product_desc;
sc->sc_rev = PCI_REVISION(pa->pa_class);
sc->sc_pc = pa->pa_pc;
sc->sc_tag = pa->pa_tag;
/* Set up DMA defaults; these might be adjusted by chip_map. */
sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX;
sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_ALIGN;
sc->sc_dmacmd_read = pciide_dmacmd_read;
sc->sc_dmacmd_write = pciide_dmacmd_write;
sc->sc_dmactl_read = pciide_dmactl_read;
sc->sc_dmactl_write = pciide_dmactl_write;
sc->sc_dmatbl_write = pciide_dmatbl_write;
WDCDEBUG_PRINT((" sc_pc=%p, sc_tag=%p, pa_class=0x%x\n", sc->sc_pc,
sc->sc_tag, pa->pa_class), DEBUG_PROBE);
sc->sc_pp->chip_map(sc, pa);
WDCDEBUG_PRINT(("pciide: command/status register=0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG)),
DEBUG_PROBE);
}
int
pciide_mapregs_compat(struct pci_attach_args *pa, struct pciide_channel *cp,
int compatchan, bus_size_t *cmdsizep, bus_size_t *ctlsizep)
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct channel_softc *wdc_cp = &cp->wdc_channel;
pcireg_t csr;
cp->compat = 1;
*cmdsizep = PCIIDE_COMPAT_CMD_SIZE;
*ctlsizep = PCIIDE_COMPAT_CTL_SIZE;
csr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MASTER_ENABLE);
wdc_cp->cmd_iot = pa->pa_iot;
if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan),
PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) {
printf("%s: couldn't map %s cmd regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return (0);
}
wdc_cp->ctl_iot = pa->pa_iot;
if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan),
PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) {
printf("%s: couldn't map %s ctl regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh,
PCIIDE_COMPAT_CMD_SIZE);
return (0);
}
return (1);
}
int
pciide_mapregs_native(struct pci_attach_args *pa, struct pciide_channel *cp,
bus_size_t *cmdsizep, bus_size_t *ctlsizep, int (*pci_intr)(void *))
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct channel_softc *wdc_cp = &cp->wdc_channel;
const char *intrstr;
pci_intr_handle_t intrhandle;
pcireg_t maptype;
cp->compat = 0;
if (sc->sc_pci_ih == NULL) {
if (pci_intr_map(pa, &intrhandle) != 0) {
printf("%s: couldn't map native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname);
return (0);
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
intrhandle, IPL_BIO, pci_intr, sc,
sc->sc_wdcdev.sc_dev.dv_xname);
if (sc->sc_pci_ih != NULL) {
printf("%s: using %s for native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname,
intrstr ? intrstr : "unknown interrupt");
} else {
printf("%s: couldn't establish native-PCI interrupt",
sc->sc_wdcdev.sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return (0);
}
}
cp->ih = sc->sc_pci_ih;
maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag,
PCIIDE_REG_CMD_BASE(wdc_cp->channel));
WDCDEBUG_PRINT(("%s: %s cmd regs mapping: %s\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
(maptype == PCI_MAPREG_TYPE_IO ? "I/O" : "memory")), DEBUG_PROBE);
if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel),
maptype, 0,
&wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep, 0) != 0) {
printf("%s: couldn't map %s cmd regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return (0);
}
maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag,
PCIIDE_REG_CTL_BASE(wdc_cp->channel));
WDCDEBUG_PRINT(("%s: %s ctl regs mapping: %s\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
(maptype == PCI_MAPREG_TYPE_IO ? "I/O": "memory")), DEBUG_PROBE);
if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel),
maptype, 0,
&wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep, 0) != 0) {
printf("%s: couldn't map %s ctl regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep);
return (0);
}
/*
* In native mode, 4 bytes of I/O space are mapped for the control
* register, the control register is at offset 2. Pass the generic
* code a handle for only one byte at the right offset.
*/
if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1,
&wdc_cp->ctl_ioh) != 0) {
printf("%s: unable to subregion %s ctl regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep);
bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep);
return (0);
}
return (1);
}
void
pciide_mapreg_dma(struct pciide_softc *sc, struct pci_attach_args *pa)
{
pcireg_t maptype;
bus_addr_t addr;
/*
* Map DMA registers
*
* Note that sc_dma_ok is the right variable to test to see if
* DMA can be done. If the interface doesn't support DMA,
* sc_dma_ok will never be non-zero. If the DMA regs couldn't
* be mapped, it'll be zero. I.e., sc_dma_ok will only be
* non-zero if the interface supports DMA and the registers
* could be mapped.
*
* XXX Note that despite the fact that the Bus Master IDE specs
* XXX say that "The bus master IDE function uses 16 bytes of IO
* XXX space", some controllers (at least the United
* XXX Microelectronics UM8886BF) place it in memory space.
*/
maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag,
PCIIDE_REG_BUS_MASTER_DMA);
switch (maptype) {
case PCI_MAPREG_TYPE_IO:
sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag,
PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO,
&addr, NULL, NULL) == 0);
if (sc->sc_dma_ok == 0) {
printf(", unused (couldn't query registers)");
break;
}
if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE)
&& addr >= 0x10000) {
sc->sc_dma_ok = 0;
printf(", unused (registers at unsafe address %#lx)", addr);
break;
}
/* FALLTHROUGH */
case PCI_MAPREG_MEM_TYPE_32BIT:
sc->sc_dma_ok = (pci_mapreg_map(pa,
PCIIDE_REG_BUS_MASTER_DMA, maptype, 0,
&sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL, 0) == 0);
sc->sc_dmat = pa->pa_dmat;
if (sc->sc_dma_ok == 0) {
printf(", unused (couldn't map registers)");
} else {
sc->sc_wdcdev.dma_arg = sc;
sc->sc_wdcdev.dma_init = pciide_dma_init;
sc->sc_wdcdev.dma_start = pciide_dma_start;
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
}
break;
default:
sc->sc_dma_ok = 0;
printf(", (unsupported maptype 0x%x)", maptype);
break;
}
}
int
pciide_intr_flag(struct pciide_channel *cp)
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int chan = cp->wdc_channel.channel;
if (cp->dma_in_progress) {
int retry = 10;
int status;
/* Check the status register */
for (retry = 10; retry > 0; retry--) {
status = PCIIDE_DMACTL_READ(sc, chan);
if (status & IDEDMA_CTL_INTR) {
break;
}
DELAY(5);
}
/* Not for us. */
if (retry == 0)
return (0);
return (1);
}
return (-1);
}
int
pciide_compat_intr(void *arg)
{
struct pciide_channel *cp = arg;
if (pciide_intr_flag(cp) == 0)
return (0);
#ifdef DIAGNOSTIC
/* should only be called for a compat channel */
if (cp->compat == 0)
panic("pciide compat intr called for non-compat chan %p", cp);
#endif
return (wdcintr(&cp->wdc_channel));
}
int
pciide_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
rv = 0;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
if (pciide_intr_flag(cp) == 0)
continue;
crv = wdcintr(wdc_cp);
if (crv == 0)
; /* leave rv alone */
else if (crv == 1)
rv = 1; /* claim the intr */
else if (rv == 0) /* crv should be -1 in this case */
rv = crv; /* if we've done no better, take it */
}
return (rv);
}
u_int8_t
pciide_dmacmd_read(struct pciide_softc *sc, int chan)
{
return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CMD(chan)));
}
void
pciide_dmacmd_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CMD(chan), val);
}
u_int8_t
pciide_dmactl_read(struct pciide_softc *sc, int chan)
{
return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chan)));
}
void
pciide_dmactl_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chan), val);
}
void
pciide_dmatbl_write(struct pciide_softc *sc, int chan, u_int32_t val)
{
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_TBL(chan), val);
}
void
pciide_channel_dma_setup(struct pciide_channel *cp)
{
int drive;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct ata_drive_datas *drvp;
for (drive = 0; drive < 2; drive++) {
drvp = &cp->wdc_channel.ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* setup DMA if needed */
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0) ||
sc->sc_dma_ok == 0) {
drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
continue;
}
if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive)
!= 0) {
/* Abort DMA setup */
drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
continue;
}
}
}
int
pciide_dma_table_setup(struct pciide_softc *sc, int channel, int drive)
{
bus_dma_segment_t seg;
int error, rseg;
const bus_size_t dma_table_size =
sizeof(struct idedma_table) * NIDEDMA_TABLES;
struct pciide_dma_maps *dma_maps =
&sc->pciide_channels[channel].dma_maps[drive];
/* If table was already allocated, just return */
if (dma_maps->dma_table)
return (0);
/* Allocate memory for the DMA tables and map it */
if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size,
IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg,
BUS_DMA_NOWAIT)) != 0) {
printf("%s:%d: unable to allocate table DMA for "
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg,
dma_table_size,
(caddr_t *)&dma_maps->dma_table,
BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) {
printf("%s:%d: unable to map table DMA for"
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, "
"phy 0x%lx\n", dma_maps->dma_table, dma_table_size,
seg.ds_addr), DEBUG_PROBE);
/* Create and load table DMA map for this disk */
if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size,
1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT,
&dma_maps->dmamap_table)) != 0) {
printf("%s:%d: unable to create table DMA map for "
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
if ((error = bus_dmamap_load(sc->sc_dmat,
dma_maps->dmamap_table,
dma_maps->dma_table,
dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) {
printf("%s:%d: unable to load table DMA map for "
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n",
dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE);
/* Create a xfer DMA map for this drive */
if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX,
NIDEDMA_TABLES, sc->sc_dma_maxsegsz, sc->sc_dma_boundary,
BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
&dma_maps->dmamap_xfer)) != 0) {
printf("%s:%d: unable to create xfer DMA map for "
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
return (0);
}
int
pciide_dma_init(void *v, int channel, int drive, void *databuf,
size_t datalen, int flags)
{
struct pciide_softc *sc = v;
int error, seg;
struct pciide_channel *cp = &sc->pciide_channels[channel];
struct pciide_dma_maps *dma_maps =
&sc->pciide_channels[channel].dma_maps[drive];
#ifndef BUS_DMA_RAW
#define BUS_DMA_RAW 0
#endif
error = bus_dmamap_load(sc->sc_dmat,
dma_maps->dmamap_xfer,
databuf, datalen, NULL, BUS_DMA_NOWAIT|BUS_DMA_RAW);
if (error) {
printf("%s:%d: unable to load xfer DMA map for "
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive, error);
return (error);
}
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
dma_maps->dmamap_xfer->dm_mapsize,
(flags & WDC_DMA_READ) ?
BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) {
#ifdef DIAGNOSTIC
/* A segment must not cross a 64k boundary */
{
u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr;
u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len;
if ((phys & ~IDEDMA_BYTE_COUNT_MASK) !=
((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) {
printf("pciide_dma: segment %d physical addr 0x%lx"
" len 0x%lx not properly aligned\n",
seg, phys, len);
panic("pciide_dma: buf align");
}
}
#endif
dma_maps->dma_table[seg].base_addr =
htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr);
dma_maps->dma_table[seg].byte_count =
htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len &
IDEDMA_BYTE_COUNT_MASK);
WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n",
seg, letoh32(dma_maps->dma_table[seg].byte_count),
letoh32(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA);
}
dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |=
htole32(IDEDMA_BYTE_COUNT_EOT);
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0,
dma_maps->dmamap_table->dm_mapsize,
BUS_DMASYNC_PREWRITE);
/* Maps are ready. Start DMA function */
#ifdef DIAGNOSTIC
if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) {
printf("pciide_dma_init: addr 0x%lx not properly aligned\n",
dma_maps->dmamap_table->dm_segs[0].ds_addr);
panic("pciide_dma_init: table align");
}
#endif
/* Clear status bits */
PCIIDE_DMACTL_WRITE(sc, channel, PCIIDE_DMACTL_READ(sc, channel));
/* Write table addr */
PCIIDE_DMATBL_WRITE(sc, channel,
dma_maps->dmamap_table->dm_segs[0].ds_addr);
/* set read/write */
PCIIDE_DMACMD_WRITE(sc, channel,
((flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE : 0) | cp->idedma_cmd);
/* remember flags */
dma_maps->dma_flags = flags;
return (0);
}
void
pciide_dma_start(void *v, int channel, int drive)
{
struct pciide_softc *sc = v;
WDCDEBUG_PRINT(("pciide_dma_start\n"), DEBUG_XFERS);
PCIIDE_DMACMD_WRITE(sc, channel, PCIIDE_DMACMD_READ(sc, channel) |
IDEDMA_CMD_START);
sc->pciide_channels[channel].dma_in_progress = 1;
}
int
pciide_dma_finish(void *v, int channel, int drive, int force)
{
struct pciide_softc *sc = v;
struct pciide_channel *cp = &sc->pciide_channels[channel];
u_int8_t status;
int error = 0;
struct pciide_dma_maps *dma_maps =
&sc->pciide_channels[channel].dma_maps[drive];
status = PCIIDE_DMACTL_READ(sc, channel);
WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status),
DEBUG_XFERS);
if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) {
error = WDC_DMAST_NOIRQ;
goto done;
}
/* stop DMA channel */
PCIIDE_DMACMD_WRITE(sc, channel,
((dma_maps->dma_flags & WDC_DMA_READ) ?
0x00 : IDEDMA_CMD_WRITE) | cp->idedma_cmd);
/* Unload the map of the data buffer */
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
dma_maps->dmamap_xfer->dm_mapsize,
(dma_maps->dma_flags & WDC_DMA_READ) ?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer);
/* Clear status bits */
PCIIDE_DMACTL_WRITE(sc, channel, status);
if ((status & IDEDMA_CTL_ERR) != 0) {
printf("%s:%d:%d: bus-master DMA error: status=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status);
error |= WDC_DMAST_ERR;
}
if ((status & IDEDMA_CTL_INTR) == 0) {
printf("%s:%d:%d: bus-master DMA error: missing interrupt, "
"status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel,
drive, status);
error |= WDC_DMAST_NOIRQ;
}
if ((status & IDEDMA_CTL_ACT) != 0) {
/* data underrun, may be a valid condition for ATAPI */
error |= WDC_DMAST_UNDER;
}
done:
sc->pciide_channels[channel].dma_in_progress = 0;
return (error);
}
void
pciide_irqack(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int chan = chp->channel;
/* clear status bits in IDE DMA registers */
PCIIDE_DMACTL_WRITE(sc, chan, PCIIDE_DMACTL_READ(sc, chan));
}
/* some common code used by several chip_map */
int
pciide_chansetup(struct pciide_softc *sc, int channel, pcireg_t interface)
{
struct pciide_channel *cp = &sc->pciide_channels[channel];
sc->wdc_chanarray[channel] = &cp->wdc_channel;
cp->name = PCIIDE_CHANNEL_NAME(channel);
cp->wdc_channel.channel = channel;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
if (cp->wdc_channel.ch_queue == NULL) {
printf("%s: %s "
"cannot allocate memory for command queue",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return (0);
}
cp->hw_ok = 1;
return (1);
}
/* some common code used by several chip channel_map */
void
pciide_mapchan(struct pci_attach_args *pa, struct pciide_channel *cp,
pcireg_t interface, bus_size_t *cmdsizep, bus_size_t *ctlsizep,
int (*pci_intr)(void *))
{
struct channel_softc *wdc_cp = &cp->wdc_channel;
if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel))
cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep,
pci_intr);
else
cp->hw_ok = pciide_mapregs_compat(pa, cp,
wdc_cp->channel, cmdsizep, ctlsizep);
if (cp->hw_ok == 0)
return;
wdc_cp->data32iot = wdc_cp->cmd_iot;
wdc_cp->data32ioh = wdc_cp->cmd_ioh;
wdcattach(wdc_cp);
}
/*
* Generic code to call to know if a channel can be disabled. Return 1
* if channel can be disabled, 0 if not
*/
int
pciide_chan_candisable(struct pciide_channel *cp)
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct channel_softc *wdc_cp = &cp->wdc_channel;
if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 &&
(wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) {
printf("%s: %s disabled (no drives)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
cp->hw_ok = 0;
return (1);
}
return (0);
}
/*
* generic code to map the compat intr if hw_ok=1 and it is a compat channel.
* Set hw_ok=0 on failure
*/
void
pciide_map_compat_intr(struct pci_attach_args *pa, struct pciide_channel *cp,
int compatchan, int interface)
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct channel_softc *wdc_cp = &cp->wdc_channel;
if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0)
return;
cp->compat = 1;
cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev,
pa, compatchan, pciide_compat_intr, cp);
if (cp->ih == NULL) {
printf("%s: no compatibility interrupt for use by %s\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
cp->hw_ok = 0;
}
}
/*
* generic code to unmap the compat intr if hw_ok=1 and it is a compat channel.
* Set hw_ok=0 on failure
*/
void
pciide_unmap_compat_intr(struct pci_attach_args *pa, struct pciide_channel *cp,
int compatchan, int interface)
{
struct channel_softc *wdc_cp = &cp->wdc_channel;
if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0)
return;
pciide_machdep_compat_intr_disestablish(pa->pa_pc, cp->ih);
}
void
pciide_print_channels(int nchannels, pcireg_t interface)
{
int i;
for (i = 0; i < nchannels; i++) {
printf(", %s %s to %s", PCIIDE_CHANNEL_NAME(i),
(interface & PCIIDE_INTERFACE_SETTABLE(i)) ?
"configured" : "wired",
(interface & PCIIDE_INTERFACE_PCI(i)) ? "native-PCI" :
"compatibility");
}
printf("\n");
}
void
pciide_print_modes(struct pciide_channel *cp)
{
wdc_print_current_modes(&cp->wdc_channel);
}
void
default_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
pcireg_t csr;
int channel, drive;
struct ata_drive_datas *drvp;
u_int8_t idedma_ctl;
bus_size_t cmdsize, ctlsize;
char *failreason;
if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) {
printf(": DMA");
if (sc->sc_pp == &default_product_desc &&
(sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags &
PCIIDE_OPTIONS_DMA) == 0) {
printf(" (unsupported)");
sc->sc_dma_ok = 0;
} else {
pciide_mapreg_dma(sc, pa);
if (sc->sc_dma_ok != 0)
printf(", (partial support)");
}
} else {
printf(": no DMA");
sc->sc_dma_ok = 0;
}
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 0;
sc->sc_wdcdev.DMA_cap = 0;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if (interface & PCIIDE_INTERFACE_PCI(channel)) {
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
&ctlsize, pciide_pci_intr);
} else {
cp->hw_ok = pciide_mapregs_compat(pa, cp,
channel, &cmdsize, &ctlsize);
}
if (cp->hw_ok == 0)
continue;
/*
* Check to see if something appears to be there.
*/
failreason = NULL;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
if (!wdcprobe(&cp->wdc_channel)) {
failreason = "not responding; disabled or no drives?";
goto next;
}
/*
* Now, make sure it's actually attributable to this PCI IDE
* channel by trying to access the channel again while the
* PCI IDE controller's I/O space is disabled. (If the
* channel no longer appears to be there, it belongs to
* this controller.) YUCK!
*/
csr = pci_conf_read(sc->sc_pc, sc->sc_tag,
PCI_COMMAND_STATUS_REG);
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG,
csr & ~PCI_COMMAND_IO_ENABLE);
if (wdcprobe(&cp->wdc_channel))
failreason = "other hardware responding at addresses";
pci_conf_write(sc->sc_pc, sc->sc_tag,
PCI_COMMAND_STATUS_REG, csr);
next:
if (failreason) {
printf("%s: %s ignored (%s)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
failreason);
cp->hw_ok = 0;
pciide_unmap_compat_intr(pa, cp, channel, interface);
bus_space_unmap(cp->wdc_channel.cmd_iot,
cp->wdc_channel.cmd_ioh, cmdsize);
if (interface & PCIIDE_INTERFACE_PCI(channel))
bus_space_unmap(cp->wdc_channel.ctl_iot,
cp->ctl_baseioh, ctlsize);
else
bus_space_unmap(cp->wdc_channel.ctl_iot,
cp->wdc_channel.ctl_ioh, ctlsize);
}
if (cp->hw_ok) {
cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
wdcattach(&cp->wdc_channel);
}
}
if (sc->sc_dma_ok == 0)
return;
/* Allocate DMA maps */
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
idedma_ctl = 0;
cp = &sc->pciide_channels[channel];
for (drive = 0; drive < 2; drive++) {
drvp = &cp->wdc_channel.ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if ((drvp->drive_flags & DRIVE_DMA) == 0)
continue;
if (pciide_dma_table_setup(sc, channel, drive) != 0) {
/* Abort DMA setup */
printf("%s:%d:%d: cannot allocate DMA maps, "
"using PIO transfers\n",
sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive);
drvp->drive_flags &= ~DRIVE_DMA;
}
printf("%s:%d:%d: using DMA data transfers\n",
sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
PCIIDE_DMACTL_WRITE(sc, channel, idedma_ctl);
}
}
}
void
sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
int channel;
bus_size_t cmdsize, ctlsize;
if (interface == 0) {
WDCDEBUG_PRINT(("sata_chip_map interface == 0\n"),
DEBUG_PROBE);
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
printf("\n");
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA |
WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA;
sc->sc_wdcdev.set_modes = sata_setup_channel;
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
sata_setup_channel(&cp->wdc_channel);
}
}
void
sata_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
}
/*
* Nothing to do to setup modes; it is meaningless in S-ATA
* (but many S-ATA drives still want to get the SET_FEATURE
* command).
*/
if (idedma_ctl != 0) {
/* Add software bits in status register */
PCIIDE_DMACTL_WRITE(sc, chp->channel, idedma_ctl);
}
pciide_print_modes(cp);
}
void
piix_timing_debug(struct pciide_softc *sc)
{
WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x",
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)),
DEBUG_PROBE);
if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE &&
sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_ISA) {
WDCDEBUG_PRINT((", sidetim=0x%x",
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)),
DEBUG_PROBE);
if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
WDCDEBUG_PRINT((", udamreg 0x%x",
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
DEBUG_PROBE);
}
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6321ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBL_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801GB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801HBM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82372FB_IDE) {
WDCDEBUG_PRINT((", IDE_CONTROL 0x%x",
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)),
DEBUG_PROBE);
}
}
WDCDEBUG_PRINT(("\n"), DEBUG_PROBE);
}
void
piix_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
u_int32_t idetim;
bus_size_t cmdsize, ctlsize;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_INTEL_6300ESB_IDE:
case PCI_PRODUCT_INTEL_6321ESB_IDE:
case PCI_PRODUCT_INTEL_82371AB_IDE:
case PCI_PRODUCT_INTEL_82372FB_IDE:
case PCI_PRODUCT_INTEL_82440MX_IDE:
case PCI_PRODUCT_INTEL_82451NX:
case PCI_PRODUCT_INTEL_82801AA_IDE:
case PCI_PRODUCT_INTEL_82801AB_IDE:
case PCI_PRODUCT_INTEL_82801BAM_IDE:
case PCI_PRODUCT_INTEL_82801BA_IDE:
case PCI_PRODUCT_INTEL_82801CAM_IDE:
case PCI_PRODUCT_INTEL_82801CA_IDE:
case PCI_PRODUCT_INTEL_82801DB_IDE:
case PCI_PRODUCT_INTEL_82801DBL_IDE:
case PCI_PRODUCT_INTEL_82801DBM_IDE:
case PCI_PRODUCT_INTEL_82801EB_IDE:
case PCI_PRODUCT_INTEL_82801FB_IDE:
case PCI_PRODUCT_INTEL_82801GB_IDE:
case PCI_PRODUCT_INTEL_82801HBM_IDE:
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
break;
}
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_INTEL_82801AA_IDE:
case PCI_PRODUCT_INTEL_82372FB_IDE:
sc->sc_wdcdev.UDMA_cap = 4;
break;
case PCI_PRODUCT_INTEL_6300ESB_IDE:
case PCI_PRODUCT_INTEL_6321ESB_IDE:
case PCI_PRODUCT_INTEL_82801BAM_IDE:
case PCI_PRODUCT_INTEL_82801BA_IDE:
case PCI_PRODUCT_INTEL_82801CAM_IDE:
case PCI_PRODUCT_INTEL_82801CA_IDE:
case PCI_PRODUCT_INTEL_82801DB_IDE:
case PCI_PRODUCT_INTEL_82801DBL_IDE:
case PCI_PRODUCT_INTEL_82801DBM_IDE:
case PCI_PRODUCT_INTEL_82801EB_IDE:
case PCI_PRODUCT_INTEL_82801FB_IDE:
case PCI_PRODUCT_INTEL_82801GB_IDE:
case PCI_PRODUCT_INTEL_82801HBM_IDE:
sc->sc_wdcdev.UDMA_cap = 5;
break;
default:
sc->sc_wdcdev.UDMA_cap = 2;
break;
}
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_ISA) {
sc->sc_wdcdev.set_modes = piix_setup_channel;
} else {
sc->sc_wdcdev.set_modes = piix3_4_setup_channel;
}
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
piix_timing_debug(sc);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
/* PIIX is compat-only */
if (pciide_chansetup(sc, channel, 0) == 0)
continue;
idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
if ((PIIX_IDETIM_READ(idetim, channel) &
PIIX_IDETIM_IDE) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
/* PIIX are compat-only pciide devices */
pciide_map_compat_intr(pa, cp, channel, 0);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr);
if (cp->hw_ok == 0)
goto next;
if (pciide_chan_candisable(cp)) {
idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE,
channel);
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM,
idetim);
}
if (cp->hw_ok == 0)
goto next;
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
next:
if (cp->hw_ok == 0)
pciide_unmap_compat_intr(pa, cp, channel, 0);
}
piix_timing_debug(sc);
}
void
piixsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
int channel;
bus_size_t cmdsize, ctlsize;
u_int8_t reg, ich = 0;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA |
WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA;
sc->sc_wdcdev.set_modes = sata_setup_channel;
switch(sc->sc_pp->ide_product) {
case PCI_PRODUCT_INTEL_6300ESB_SATA:
case PCI_PRODUCT_INTEL_6300ESB_SATA2:
case PCI_PRODUCT_INTEL_82801EB_SATA:
case PCI_PRODUCT_INTEL_82801ER_SATA:
ich = 5;
break;
case PCI_PRODUCT_INTEL_82801FB_SATA:
case PCI_PRODUCT_INTEL_82801FR_SATA:
case PCI_PRODUCT_INTEL_82801FBM_SATA:
ich = 6;
break;
default:
ich = 7;
break;
}
/*
* Put the SATA portion of controllers that don't operate in combined
* mode into native PCI modes so the maximum number of devices can be
* used. Intel calls this "enhanced mode"
*/
if (ich == 5) {
reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, ICH5_SATA_MAP);
if ((reg & ICH5_SATA_MAP_COMBINED) == 0) {
reg = pciide_pci_read(pa->pa_pc, pa->pa_tag,
ICH5_SATA_PI);
reg |= ICH5_SATA_PI_PRI_NATIVE |
ICH5_SATA_PI_SEC_NATIVE;
pciide_pci_write(pa->pa_pc, pa->pa_tag,
ICH5_SATA_PI, reg);
interface |= PCIIDE_INTERFACE_PCI(0) |
PCIIDE_INTERFACE_PCI(1);
}
} else {
reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, ICH5_SATA_MAP) &
ICH6_SATA_MAP_CMB_MASK;
if (reg != ICH6_SATA_MAP_CMB_PRI &&
reg != ICH6_SATA_MAP_CMB_SEC) {
reg = pciide_pci_read(pa->pa_pc, pa->pa_tag,
ICH5_SATA_PI);
reg |= ICH5_SATA_PI_PRI_NATIVE |
ICH5_SATA_PI_SEC_NATIVE;
pciide_pci_write(pa->pa_pc, pa->pa_tag,
ICH5_SATA_PI, reg);
interface |= PCIIDE_INTERFACE_PCI(0) |
PCIIDE_INTERFACE_PCI(1);
/*
* Ask for SATA IDE Mode, we don't need to do this
* for the combined mode case as combined mode is
* only allowed in IDE Mode
*/
if (ich >= 7) {
reg = pciide_pci_read(sc->sc_pc, sc->sc_tag,
ICH5_SATA_MAP) & ~ICH7_SATA_MAP_SMS_MASK;
pciide_pci_write(pa->pa_pc, pa->pa_tag,
ICH5_SATA_MAP, reg);
}
}
}
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok != 0)
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
if (cp->hw_ok == 0)
pciide_unmap_compat_intr(pa, cp, channel, interface);
}
}
void
piix_setup_channel(struct channel_softc *chp)
{
u_int8_t mode[2], drive;
u_int32_t oidetim, idetim, idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive;
oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel);
idedma_ctl = 0;
/* set up new idetim: Enable IDE registers decode */
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE,
chp->channel);
/* setup DMA */
pciide_channel_dma_setup(cp);
/*
* Here we have to mess up with drives mode: PIIX can't have
* different timings for master and slave drives.
* We need to find the best combination.
*/
/* If both drives supports DMA, take the lower mode */
if ((drvp[0].drive_flags & DRIVE_DMA) &&
(drvp[1].drive_flags & DRIVE_DMA)) {
mode[0] = mode[1] =
min(drvp[0].DMA_mode, drvp[1].DMA_mode);
drvp[0].DMA_mode = mode[0];
drvp[1].DMA_mode = mode[1];
goto ok;
}
/*
* If only one drive supports DMA, use its mode, and
* put the other one in PIO mode 0 if mode not compatible
*/
if (drvp[0].drive_flags & DRIVE_DMA) {
mode[0] = drvp[0].DMA_mode;
mode[1] = drvp[1].PIO_mode;
if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] ||
piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]])
mode[1] = drvp[1].PIO_mode = 0;
goto ok;
}
if (drvp[1].drive_flags & DRIVE_DMA) {
mode[1] = drvp[1].DMA_mode;
mode[0] = drvp[0].PIO_mode;
if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] ||
piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]])
mode[0] = drvp[0].PIO_mode = 0;
goto ok;
}
/*
* If both drives are not DMA, takes the lower mode, unless
* one of them is PIO mode < 2
*/
if (drvp[0].PIO_mode < 2) {
mode[0] = drvp[0].PIO_mode = 0;
mode[1] = drvp[1].PIO_mode;
} else if (drvp[1].PIO_mode < 2) {
mode[1] = drvp[1].PIO_mode = 0;
mode[0] = drvp[0].PIO_mode;
} else {
mode[0] = mode[1] =
min(drvp[1].PIO_mode, drvp[0].PIO_mode);
drvp[0].PIO_mode = mode[0];
drvp[1].PIO_mode = mode[1];
}
ok: /* The modes are setup */
for (drive = 0; drive < 2; drive++) {
if (drvp[drive].drive_flags & DRIVE_DMA) {
idetim |= piix_setup_idetim_timings(
mode[drive], 1, chp->channel);
goto end;
}
}
/* If we are there, none of the drives are DMA */
if (mode[0] >= 2)
idetim |= piix_setup_idetim_timings(
mode[0], 0, chp->channel);
else
idetim |= piix_setup_idetim_timings(
mode[1], 0, chp->channel);
end: /*
* timing mode is now set up in the controller. Enable
* it per-drive
*/
for (drive = 0; drive < 2; drive++) {
/* If no drive, skip */
if ((drvp[drive].drive_flags & DRIVE) == 0)
continue;
idetim |= piix_setup_idetim_drvs(&drvp[drive]);
if (drvp[drive].drive_flags & DRIVE_DMA)
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
idedma_ctl);
}
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
pciide_print_modes(cp);
}
void
piix3_4_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int drive;
int channel = chp->channel;
oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM);
udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG);
ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG);
idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel);
sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) |
PIIX_SIDETIM_RTC_MASK(channel));
idedma_ctl = 0;
/* If channel disabled, no need to go further */
if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0)
return;
/* set up new idetim: Enable IDE registers decode */
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) |
PIIX_UDMATIM_SET(0x3, channel, drive));
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0))
goto pio;
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6321ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBL_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801GB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801HBM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82372FB_IDE) {
ideconf |= PIIX_CONFIG_PINGPONG;
}
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6321ESB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBL_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801GB_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801HBM_IDE) {
/* setup Ultra/100 */
if (drvp->UDMA_mode > 2 &&
(ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
drvp->UDMA_mode = 2;
if (drvp->UDMA_mode > 4) {
ideconf |= PIIX_CONFIG_UDMA100(channel, drive);
} else {
ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive);
if (drvp->UDMA_mode > 2) {
ideconf |= PIIX_CONFIG_UDMA66(channel,
drive);
} else {
ideconf &= ~PIIX_CONFIG_UDMA66(channel,
drive);
}
}
}
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE ||
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82372FB_IDE) {
/* setup Ultra/66 */
if (drvp->UDMA_mode > 2 &&
(ideconf & PIIX_CONFIG_CR(channel, drive)) == 0)
drvp->UDMA_mode = 2;
if (drvp->UDMA_mode > 2)
ideconf |= PIIX_CONFIG_UDMA66(channel, drive);
else
ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive);
}
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
(drvp->drive_flags & DRIVE_UDMA)) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive);
udmareg |= PIIX_UDMATIM_SET(
piix4_sct_udma[drvp->UDMA_mode], channel, drive);
} else {
/* use Multiword DMA */
drvp->drive_flags &= ~DRIVE_UDMA;
if (drive == 0) {
idetim |= piix_setup_idetim_timings(
drvp->DMA_mode, 1, channel);
} else {
sidetim |= piix_setup_sidetim_timings(
drvp->DMA_mode, 1, channel);
idetim =PIIX_IDETIM_SET(idetim,
PIIX_IDETIM_SITRE, channel);
}
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio: /* use PIO mode */
idetim |= piix_setup_idetim_drvs(drvp);
if (drive == 0) {
idetim |= piix_setup_idetim_timings(
drvp->PIO_mode, 0, channel);
} else {
sidetim |= piix_setup_sidetim_timings(
drvp->PIO_mode, 0, channel);
idetim =PIIX_IDETIM_SET(idetim,
PIIX_IDETIM_SITRE, channel);
}
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel),
idedma_ctl);
}
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim);
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg);
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf);
pciide_print_modes(cp);
}
/* setup ISP and RTC fields, based on mode */
static u_int32_t
piix_setup_idetim_timings(u_int8_t mode, u_int8_t dma, u_int8_t channel)
{
if (dma)
return (PIIX_IDETIM_SET(0,
PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) |
PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]),
channel));
else
return (PIIX_IDETIM_SET(0,
PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) |
PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]),
channel));
}
/* setup DTE, PPE, IE and TIME field based on PIO mode */
static u_int32_t
piix_setup_idetim_drvs(struct ata_drive_datas *drvp)
{
u_int32_t ret = 0;
struct channel_softc *chp = drvp->chnl_softc;
u_int8_t channel = chp->channel;
u_int8_t drive = drvp->drive;
/*
* If drive is using UDMA, timings setups are independant
* So just check DMA and PIO here.
*/
if (drvp->drive_flags & DRIVE_DMA) {
/* if mode = DMA mode 0, use compatible timings */
if ((drvp->drive_flags & DRIVE_DMA) &&
drvp->DMA_mode == 0) {
drvp->PIO_mode = 0;
return (ret);
}
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
/*
* PIO and DMA timings are the same, use fast timings for PIO
* too, else use compat timings.
*/
if ((piix_isp_pio[drvp->PIO_mode] !=
piix_isp_dma[drvp->DMA_mode]) ||
(piix_rtc_pio[drvp->PIO_mode] !=
piix_rtc_dma[drvp->DMA_mode]))
drvp->PIO_mode = 0;
/* if PIO mode <= 2, use compat timings for PIO */
if (drvp->PIO_mode <= 2) {
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive),
channel);
return (ret);
}
}
/*
* Now setup PIO modes. If mode < 2, use compat timings.
* Else enable fast timings. Enable IORDY and prefetch/post
* if PIO mode >= 3.
*/
if (drvp->PIO_mode < 2)
return (ret);
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
if (drvp->PIO_mode >= 3) {
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel);
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel);
}
return (ret);
}
/* setup values in SIDETIM registers, based on mode */
static u_int32_t
piix_setup_sidetim_timings(u_int8_t mode, u_int8_t dma, u_int8_t channel)
{
if (dma)
return (PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) |
PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel));
else
return (PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) |
PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel));
}
void
amd756_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
int channel;
pcireg_t chanenable;
bus_size_t cmdsize, ctlsize;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_AMD_8111_IDE:
sc->sc_wdcdev.UDMA_cap = 6;
break;
case PCI_PRODUCT_AMD_766_IDE:
case PCI_PRODUCT_AMD_PBC768_IDE:
sc->sc_wdcdev.UDMA_cap = 5;
break;
default:
sc->sc_wdcdev.UDMA_cap = 4;
break;
}
sc->sc_wdcdev.set_modes = amd756_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN);
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if ((chanenable & AMD756_CHAN_EN(channel)) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (pciide_chan_candisable(cp)) {
chanenable &= ~AMD756_CHAN_EN(channel);
}
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
amd756_setup_channel(&cp->wdc_channel);
}
pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN,
chanenable);
return;
}
void
amd756_setup_channel(struct channel_softc *chp)
{
u_int32_t udmatim_reg, datatim_reg;
u_int8_t idedma_ctl;
int mode, drive;
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
pcireg_t chanenable;
#ifndef PCIIDE_AMD756_ENABLEDMA
int product = sc->sc_pp->ide_product;
int rev = sc->sc_rev;
#endif
idedma_ctl = 0;
datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM);
udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA);
datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel);
udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel);
chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag,
AMD756_CHANSTATUS_EN);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0)) {
mode = drvp->PIO_mode;
goto pio;
}
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
(drvp->drive_flags & DRIVE_UDMA)) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
/* Check cable */
if ((chanenable & AMD756_CABLE(chp->channel,
drive)) == 0 && drvp->UDMA_mode > 2) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire "
"cable not detected\n", drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
chp->channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) |
AMD756_UDMA_EN_MTH(chp->channel, drive) |
AMD756_UDMA_TIME(chp->channel, drive,
amd756_udma_tim[drvp->UDMA_mode]);
/* can use PIO timings, MW DMA unused */
mode = drvp->PIO_mode;
} else {
/* use Multiword DMA, but only if revision is OK */
drvp->drive_flags &= ~DRIVE_UDMA;
#ifndef PCIIDE_AMD756_ENABLEDMA
/*
* The workaround doesn't seem to be necessary
* with all drives, so it can be disabled by
* PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if
* triggered.
*/
if (AMD756_CHIPREV_DISABLEDMA(product, rev)) {
printf("%s:%d:%d: multi-word DMA disabled due "
"to chip revision\n",
sc->sc_wdcdev.sc_dev.dv_xname,
chp->channel, drive);
mode = drvp->PIO_mode;
drvp->drive_flags &= ~DRIVE_DMA;
goto pio;
}
#endif
/* mode = min(pio, dma+2) */
if (drvp->PIO_mode <= (drvp->DMA_mode +2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio: /* setup PIO mode */
if (mode <= 2) {
drvp->DMA_mode = 0;
drvp->PIO_mode = 0;
mode = 0;
} else {
drvp->PIO_mode = mode;
drvp->DMA_mode = mode - 2;
}
datatim_reg |=
AMD756_DATATIM_PULSE(chp->channel, drive,
amd756_pio_set[mode]) |
AMD756_DATATIM_RECOV(chp->channel, drive,
amd756_pio_rec[mode]);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
idedma_ctl);
}
pciide_print_modes(cp);
pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg);
pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg);
}
void
apollo_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface;
int channel;
u_int32_t ideconf;
bus_size_t cmdsize, ctlsize;
pcitag_t tag;
pcireg_t id, class;
/*
* Fake interface since VT6410 is claimed to be a ``RAID'' device.
*/
if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCI_INTERFACE(pa->pa_class);
} else {
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
}
if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT6410) ||
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_CX700_IDE)) {
printf(": ATA133");
sc->sc_wdcdev.UDMA_cap = 6;
} else {
/*
* Determine the DMA capabilities by looking at the
* ISA bridge.
*/
tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0);
id = pci_conf_read(sc->sc_pc, tag, PCI_ID_REG);
class = pci_conf_read(sc->sc_pc, tag, PCI_CLASS_REG);
/*
* XXX On the VT8237, the ISA bridge is on a different
* device.
*/
if (PCI_CLASS(class) != PCI_CLASS_BRIDGE &&
pa->pa_device == 15) {
tag = pci_make_tag(pa->pa_pc, pa->pa_bus, 17, 0);
id = pci_conf_read(sc->sc_pc, tag, PCI_ID_REG);
class = pci_conf_read(sc->sc_pc, tag, PCI_CLASS_REG);
}
switch (PCI_PRODUCT(id)) {
case PCI_PRODUCT_VIATECH_VT82C586_ISA:
if (PCI_REVISION(class) >= 0x02) {
printf(": ATA33");
sc->sc_wdcdev.UDMA_cap = 2;
} else {
printf(": DMA");
sc->sc_wdcdev.UDMA_cap = 0;
}
break;
case PCI_PRODUCT_VIATECH_VT82C596A:
if (PCI_REVISION(class) >= 0x12) {
printf(": ATA66");
sc->sc_wdcdev.UDMA_cap = 4;
} else {
printf(": ATA33");
sc->sc_wdcdev.UDMA_cap = 2;
}
break;
case PCI_PRODUCT_VIATECH_VT82C686A_ISA:
if (PCI_REVISION(class) >= 0x40) {
printf(": ATA100");
sc->sc_wdcdev.UDMA_cap = 5;
} else {
printf(": ATA66");
sc->sc_wdcdev.UDMA_cap = 4;
}
break;
case PCI_PRODUCT_VIATECH_VT8231_ISA:
case PCI_PRODUCT_VIATECH_VT8233_ISA:
printf(": ATA100");
sc->sc_wdcdev.UDMA_cap = 5;
break;
case PCI_PRODUCT_VIATECH_VT8233A_ISA:
case PCI_PRODUCT_VIATECH_VT8235_ISA:
case PCI_PRODUCT_VIATECH_VT8237_ISA:
printf(": ATA133");
sc->sc_wdcdev.UDMA_cap = 6;
break;
default:
printf(": DMA");
sc->sc_wdcdev.UDMA_cap = 0;
break;
}
}
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
if (sc->sc_wdcdev.UDMA_cap > 0)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = apollo_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, "
"APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF),
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC),
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)),
DEBUG_PROBE);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF);
if ((ideconf & APO_IDECONF_EN(channel)) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
goto next;
}
if (pciide_chan_candisable(cp)) {
ideconf &= ~APO_IDECONF_EN(channel);
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF,
ideconf);
}
if (cp->hw_ok == 0)
goto next;
apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel);
next:
if (cp->hw_ok == 0)
pciide_unmap_compat_intr(pa, cp, channel, interface);
}
WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE);
}
void
apollo_setup_channel(struct channel_softc *chp)
{
u_int32_t udmatim_reg, datatim_reg;
u_int8_t idedma_ctl;
int mode, drive;
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
idedma_ctl = 0;
datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM);
udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA);
datatim_reg &= ~APO_DATATIM_MASK(chp->channel);
udmatim_reg &= ~APO_UDMA_MASK(chp->channel);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
/*
* We can't mix Ultra/33 and Ultra/66 on the same channel, so
* downgrade to Ultra/33 if needed
*/
if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) &&
(chp->ch_drive[1].drive_flags & DRIVE_UDMA)) {
/* both drives UDMA */
if (chp->ch_drive[0].UDMA_mode > 2 &&
chp->ch_drive[1].UDMA_mode <= 2) {
/* drive 0 Ultra/66, drive 1 Ultra/33 */
chp->ch_drive[0].UDMA_mode = 2;
} else if (chp->ch_drive[1].UDMA_mode > 2 &&
chp->ch_drive[0].UDMA_mode <= 2) {
/* drive 1 Ultra/66, drive 0 Ultra/33 */
chp->ch_drive[1].UDMA_mode = 2;
}
}
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0)) {
mode = drvp->PIO_mode;
goto pio;
}
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
(drvp->drive_flags & DRIVE_UDMA)) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
udmatim_reg |= APO_UDMA_EN(chp->channel, drive) |
APO_UDMA_EN_MTH(chp->channel, drive);
if (sc->sc_wdcdev.UDMA_cap == 6) {
udmatim_reg |= APO_UDMA_TIME(chp->channel,
drive, apollo_udma133_tim[drvp->UDMA_mode]);
} else if (sc->sc_wdcdev.UDMA_cap == 5) {
/* 686b */
udmatim_reg |= APO_UDMA_TIME(chp->channel,
drive, apollo_udma100_tim[drvp->UDMA_mode]);
} else if (sc->sc_wdcdev.UDMA_cap == 4) {
/* 596b or 686a */
udmatim_reg |= APO_UDMA_CLK66(chp->channel);
udmatim_reg |= APO_UDMA_TIME(chp->channel,
drive, apollo_udma66_tim[drvp->UDMA_mode]);
} else {
/* 596a or 586b */
udmatim_reg |= APO_UDMA_TIME(chp->channel,
drive, apollo_udma33_tim[drvp->UDMA_mode]);
}
/* can use PIO timings, MW DMA unused */
mode = drvp->PIO_mode;
} else {
/* use Multiword DMA */
drvp->drive_flags &= ~DRIVE_UDMA;
/* mode = min(pio, dma+2) */
if (drvp->PIO_mode <= (drvp->DMA_mode +2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio: /* setup PIO mode */
if (mode <= 2) {
drvp->DMA_mode = 0;
drvp->PIO_mode = 0;
mode = 0;
} else {
drvp->PIO_mode = mode;
drvp->DMA_mode = mode - 2;
}
datatim_reg |=
APO_DATATIM_PULSE(chp->channel, drive,
apollo_pio_set[mode]) |
APO_DATATIM_RECOV(chp->channel, drive,
apollo_pio_rec[mode]);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
idedma_ctl);
}
pciide_print_modes(cp);
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg);
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg);
}
void
cmd_channel_map(struct pci_attach_args *pa, struct pciide_softc *sc,
int channel)
{
struct pciide_channel *cp = &sc->pciide_channels[channel];
bus_size_t cmdsize, ctlsize;
u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL);
pcireg_t interface;
int one_channel;
/*
* The 0648/0649 can be told to identify as a RAID controller.
* In this case, we have to fake interface
*/
if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCIIDE_INTERFACE_SETTABLE(0) |
PCIIDE_INTERFACE_SETTABLE(1);
if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) &
CMD_CONF_DSA1)
interface |= PCIIDE_INTERFACE_PCI(0) |
PCIIDE_INTERFACE_PCI(1);
} else {
interface = PCI_INTERFACE(pa->pa_class);
}
sc->wdc_chanarray[channel] = &cp->wdc_channel;
cp->name = PCIIDE_CHANNEL_NAME(channel);
cp->wdc_channel.channel = channel;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
/*
* Older CMD64X doesn't have independant channels
*/
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_CMDTECH_649:
one_channel = 0;
break;
default:
one_channel = 1;
break;
}
if (channel > 0 && one_channel) {
cp->wdc_channel.ch_queue =
sc->pciide_channels[0].wdc_channel.ch_queue;
} else {
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
}
if (cp->wdc_channel.ch_queue == NULL) {
printf(
"%s: %s cannot allocate memory for command queue",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
/*
* with a CMD PCI64x, if we get here, the first channel is enabled:
* there's no way to disable the first channel without disabling
* the whole device
*/
if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
cp->hw_ok = 1;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
return;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
return;
}
if (pciide_chan_candisable(cp)) {
if (channel == 1) {
ctrl &= ~CMD_CTRL_2PORT;
pciide_pci_write(pa->pa_pc, pa->pa_tag,
CMD_CTRL, ctrl);
pciide_unmap_compat_intr(pa, cp, channel, interface);
}
}
}
int
cmd_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int32_t priirq, secirq;
rv = 0;
priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) ||
(i == 1 && (secirq & CMD_ARTTIM23_IRQ))) {
crv = wdcintr(wdc_cp);
if (crv == 0) {
#if 0
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
#endif
} else
rv = 1;
}
}
return (rv);
}
void
cmd_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
int channel;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
printf(": no DMA");
sc->sc_dma_ok = 0;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cmd_channel_map(pa, sc, channel);
}
}
void
cmd0643_9_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
int rev = sc->sc_rev;
pcireg_t interface;
/*
* The 0648/0649 can be told to identify as a RAID controller.
* In this case, we have to fake interface
*/
if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCIIDE_INTERFACE_SETTABLE(0) |
PCIIDE_INTERFACE_SETTABLE(1);
if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) &
CMD_CONF_DSA1)
interface |= PCIIDE_INTERFACE_PCI(0) |
PCIIDE_INTERFACE_PCI(1);
} else {
interface = PCI_INTERFACE(pa->pa_class);
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_CMDTECH_649:
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.UDMA_cap = 5;
sc->sc_wdcdev.irqack = cmd646_9_irqack;
break;
case PCI_PRODUCT_CMDTECH_648:
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.UDMA_cap = 4;
sc->sc_wdcdev.irqack = cmd646_9_irqack;
break;
case PCI_PRODUCT_CMDTECH_646:
if (rev >= CMD0646U2_REV) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.UDMA_cap = 2;
} else if (rev >= CMD0646U_REV) {
/*
* Linux's driver claims that the 646U is broken
* with UDMA. Only enable it if we know what we're
* doing
*/
#ifdef PCIIDE_CMD0646U_ENABLEUDMA
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.UDMA_cap = 2;
#endif
/* explicitly disable UDMA */
pciide_pci_write(sc->sc_pc, sc->sc_tag,
CMD_UDMATIM(0), 0);
pciide_pci_write(sc->sc_pc, sc->sc_tag,
CMD_UDMATIM(1), 0);
}
sc->sc_wdcdev.irqack = cmd646_9_irqack;
break;
default:
sc->sc_wdcdev.irqack = pciide_irqack;
}
}
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
DEBUG_PROBE);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
cmd_channel_map(pa, sc, channel);
if (cp->hw_ok == 0)
continue;
cmd0643_9_setup_channel(&cp->wdc_channel);
}
/*
* note - this also makes sure we clear the irq disable and reset
* bits
*/
pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE);
WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
DEBUG_PROBE);
}
void
cmd0643_9_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
u_int8_t tim;
u_int32_t idedma_ctl, udma_reg;
int drive;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
idedma_ctl = 0;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
tim = cmd0643_9_data_tim_pio[drvp->PIO_mode];
if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) {
if (drvp->drive_flags & DRIVE_UDMA) {
/* UltraDMA on a 646U2, 0648 or 0649 */
drvp->drive_flags &= ~DRIVE_DMA;
udma_reg = pciide_pci_read(sc->sc_pc,
sc->sc_tag, CMD_UDMATIM(chp->channel));
if (drvp->UDMA_mode > 2 &&
(pciide_pci_read(sc->sc_pc, sc->sc_tag,
CMD_BICSR) &
CMD_BICSR_80(chp->channel)) == 0) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): "
"80-wire cable not detected\n",
drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
chp->channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
if (drvp->UDMA_mode > 2)
udma_reg &= ~CMD_UDMATIM_UDMA33(drive);
else if (sc->sc_wdcdev.UDMA_cap > 2)
udma_reg |= CMD_UDMATIM_UDMA33(drive);
udma_reg |= CMD_UDMATIM_UDMA(drive);
udma_reg &= ~(CMD_UDMATIM_TIM_MASK <<
CMD_UDMATIM_TIM_OFF(drive));
udma_reg |=
(cmd0646_9_tim_udma[drvp->UDMA_mode] <<
CMD_UDMATIM_TIM_OFF(drive));
pciide_pci_write(sc->sc_pc, sc->sc_tag,
CMD_UDMATIM(chp->channel), udma_reg);
} else {
/*
* use Multiword DMA.
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
* if we have a 0646U2/8/9, turn off UDMA
*/
if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
udma_reg = pciide_pci_read(sc->sc_pc,
sc->sc_tag,
CMD_UDMATIM(chp->channel));
udma_reg &= ~CMD_UDMATIM_UDMA(drive);
pciide_pci_write(sc->sc_pc, sc->sc_tag,
CMD_UDMATIM(chp->channel),
udma_reg);
}
if (drvp->PIO_mode >= 3 &&
(drvp->DMA_mode + 2) > drvp->PIO_mode) {
drvp->DMA_mode = drvp->PIO_mode - 2;
}
tim = cmd0643_9_data_tim_dma[drvp->DMA_mode];
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
pciide_pci_write(sc->sc_pc, sc->sc_tag,
CMD_DATA_TIM(chp->channel, drive), tim);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
idedma_ctl);
}
pciide_print_modes(cp);
#ifdef __sparc64__
/*
* The Ultra 5 has a tendency to hang during reboot. This is due
* to the PCI0646U asserting a PCI interrupt line when the chip
* registers claim that it is not. Performing a reset at this
* point appears to eliminate the symptoms. It is likely the
* real cause is still lurking somewhere in the code.
*/
wdcreset(chp, SILENT);
#endif /* __sparc64__ */
}
void
cmd646_9_irqack(struct channel_softc *chp)
{
u_int32_t priirq, secirq;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
if (chp->channel == 0) {
priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF);
pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq);
} else {
secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23);
pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq);
}
pciide_irqack(chp);
}
void
cmd680_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
printf("\n%s: bus-master DMA support present",
sc->sc_wdcdev.sc_dev.dv_xname);
pciide_mapreg_dma(sc, pa);
printf("\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = cmd680_setup_channel;
pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x80, 0x00);
pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x84, 0x00);
pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x8a,
pciide_pci_read(sc->sc_pc, sc->sc_tag, 0x8a) | 0x01);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
cmd680_channel_map(pa, sc, channel);
if (cp->hw_ok == 0)
continue;
cmd680_setup_channel(&cp->wdc_channel);
}
}
void
cmd680_channel_map(struct pci_attach_args *pa, struct pciide_softc *sc,
int channel)
{
struct pciide_channel *cp = &sc->pciide_channels[channel];
bus_size_t cmdsize, ctlsize;
int interface, i, reg;
static const u_int8_t init_val[] =
{ 0x8a, 0x32, 0x8a, 0x32, 0x8a, 0x32,
0x92, 0x43, 0x92, 0x43, 0x09, 0x40, 0x09, 0x40 };
if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCIIDE_INTERFACE_SETTABLE(0) |
PCIIDE_INTERFACE_SETTABLE(1);
interface |= PCIIDE_INTERFACE_PCI(0) |
PCIIDE_INTERFACE_PCI(1);
} else {
interface = PCI_INTERFACE(pa->pa_class);
}
sc->wdc_chanarray[channel] = &cp->wdc_channel;
cp->name = PCIIDE_CHANNEL_NAME(channel);
cp->wdc_channel.channel = channel;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
if (cp->wdc_channel.ch_queue == NULL) {
printf("%s %s: "
"can't allocate memory for command queue",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
/* XXX */
reg = 0xa2 + channel * 16;
for (i = 0; i < sizeof(init_val); i++)
pciide_pci_write(sc->sc_pc, sc->sc_tag, reg + i, init_val[i]);
printf("%s: %s %s to %s mode\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
(interface & PCIIDE_INTERFACE_SETTABLE(channel)) ?
"configured" : "wired",
(interface & PCIIDE_INTERFACE_PCI(channel)) ?
"native-PCI" : "compatibility");
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr);
if (cp->hw_ok == 0)
return;
pciide_map_compat_intr(pa, cp, channel, interface);
}
void
cmd680_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
u_int8_t mode, off, scsc;
u_int16_t val;
u_int32_t idedma_ctl;
int drive;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
pci_chipset_tag_t pc = sc->sc_pc;
pcitag_t pa = sc->sc_tag;
static const u_int8_t udma2_tbl[] =
{ 0x0f, 0x0b, 0x07, 0x06, 0x03, 0x02, 0x01 };
static const u_int8_t udma_tbl[] =
{ 0x0c, 0x07, 0x05, 0x04, 0x02, 0x01, 0x00 };
static const u_int16_t dma_tbl[] =
{ 0x2208, 0x10c2, 0x10c1 };
static const u_int16_t pio_tbl[] =
{ 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
idedma_ctl = 0;
pciide_channel_dma_setup(cp);
mode = pciide_pci_read(pc, pa, 0x80 + chp->channel * 4);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
mode &= ~(0x03 << (drive * 4));
if (drvp->drive_flags & DRIVE_UDMA) {
drvp->drive_flags &= ~DRIVE_DMA;
off = 0xa0 + chp->channel * 16;
if (drvp->UDMA_mode > 2 &&
(pciide_pci_read(pc, pa, off) & 0x01) == 0)
drvp->UDMA_mode = 2;
scsc = pciide_pci_read(pc, pa, 0x8a);
if (drvp->UDMA_mode == 6 && (scsc & 0x30) == 0) {
pciide_pci_write(pc, pa, 0x8a, scsc | 0x01);
scsc = pciide_pci_read(pc, pa, 0x8a);
if ((scsc & 0x30) == 0)
drvp->UDMA_mode = 5;
}
mode |= 0x03 << (drive * 4);
off = 0xac + chp->channel * 16 + drive * 2;
val = pciide_pci_read(pc, pa, off) & ~0x3f;
if (scsc & 0x30)
val |= udma2_tbl[drvp->UDMA_mode];
else
val |= udma_tbl[drvp->UDMA_mode];
pciide_pci_write(pc, pa, off, val);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
mode |= 0x02 << (drive * 4);
off = 0xa8 + chp->channel * 16 + drive * 2;
val = dma_tbl[drvp->DMA_mode];
pciide_pci_write(pc, pa, off, val & 0xff);
pciide_pci_write(pc, pa, off, val >> 8);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
mode |= 0x01 << (drive * 4);
off = 0xa4 + chp->channel * 16 + drive * 2;
val = pio_tbl[drvp->PIO_mode];
pciide_pci_write(pc, pa, off, val & 0xff);
pciide_pci_write(pc, pa, off, val >> 8);
}
}
pciide_pci_write(pc, pa, 0x80 + chp->channel * 4, mode);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
idedma_ctl);
}
pciide_print_modes(cp);
}
/*
* When the Silicon Image 3112 retries a PCI memory read command,
* it may retry it as a memory read multiple command under some
* circumstances. This can totally confuse some PCI controllers,
* so ensure that it will never do this by making sure that the
* Read Threshold (FIFO Read Request Control) field of the FIFO
* Valid Byte Count and Control registers for both channels (BA5
* offset 0x40 and 0x44) are set to be at least as large as the
* cacheline size register.
*/
void
sii_fixup_cacheline(struct pciide_softc *sc, struct pci_attach_args *pa)
{
pcireg_t cls, reg40, reg44;
cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
cls = (cls >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK;
cls *= 4;
if (cls > 224) {
cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
cls &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
cls |= ((224/4) << PCI_CACHELINE_SHIFT);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, cls);
cls = 224;
}
if (cls < 32)
cls = 32;
cls = (cls + 31) / 32;
reg40 = ba5_read_4(sc, 0x40);
reg44 = ba5_read_4(sc, 0x44);
if ((reg40 & 0x7) < cls)
ba5_write_4(sc, 0x40, (reg40 & ~0x07) | cls);
if ((reg44 & 0x7) < cls)
ba5_write_4(sc, 0x44, (reg44 & ~0x07) | cls);
}
void
sii3112_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
bus_size_t cmdsize, ctlsize;
pcireg_t interface, scs_cmd, cfgctl;
int channel;
struct pciide_satalink *sl = sc->sc_cookie;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_satalink), M_DEVBUF,
M_NOWAIT);
sl = sc->sc_cookie;
bzero(sl, sizeof(*sl));
#define SII3112_RESET_BITS \
(SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \
SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \
SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET)
/*
* Reset everything and then unblock all of the interrupts.
*/
scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD);
pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD,
scs_cmd | SII3112_RESET_BITS);
delay(50 * 1000);
pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD,
scs_cmd & SCS_CMD_BA5_EN);
delay(50 * 1000);
if (scs_cmd & SCS_CMD_BA5_EN) {
if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14,
PCI_MAPREG_TYPE_MEM |
PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sl->ba5_st, &sl->ba5_sh,
NULL, NULL, 0) != 0)
printf(": unable to map BA5 register space\n");
else
sl->ba5_en = 1;
} else {
cfgctl = pci_conf_read(pa->pa_pc, pa->pa_tag,
SII3112_PCI_CFGCTL);
pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_PCI_CFGCTL,
cfgctl | CFGCTL_BA5INDEN);
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
printf("\n");
/*
* Rev. <= 0x01 of the 3112 have a bug that can cause data
* corruption if DMA transfers cross an 8K boundary. This is
* apparently hard to tickle, but we'll go ahead and play it
* safe.
*/
if (sc->sc_rev <= 0x01) {
sc->sc_dma_maxsegsz = 8192;
sc->sc_dma_boundary = 8192;
}
sii_fixup_cacheline(sc, pa);
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
sc->sc_wdcdev.PIO_cap = 4;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
}
sc->sc_wdcdev.set_modes = sii3112_setup_channel;
/* We can use SControl and SStatus to probe for drives. */
sc->sc_wdcdev.drv_probe = sii3112_drv_probe;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
/*
* The 3112 either identifies itself as a RAID storage device
* or a Misc storage device. Fake up the interface bits for
* what our driver expects.
*/
if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCI_INTERFACE(pa->pa_class);
} else {
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
}
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0)
continue;
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
}
void
sii3112_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t idedma_ctl, dtm;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
dtm = 0;
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
dtm |= DTM_IDEx_DMA;
} else if (drvp->drive_flags & DRIVE_DMA) {
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
dtm |= DTM_IDEx_DMA;
} else {
dtm |= DTM_IDEx_PIO;
}
}
/*
* Nothing to do to setup modes; it is meaningless in S-ATA
* (but many S-ATA drives still want to get the SET_FEATURE
* command).
*/
if (idedma_ctl != 0) {
/* Add software bits in status register */
PCIIDE_DMACTL_WRITE(sc, chp->channel, idedma_ctl);
}
BA5_WRITE_4(sc, chp->channel, ba5_IDE_DTM, dtm);
pciide_print_modes(cp);
}
void
sii3112_drv_probe(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
uint32_t scontrol, sstatus;
uint8_t scnt, sn, cl, ch;
int i, s;
/* XXX This should be done by other code. */
for (i = 0; i < 2; i++) {
chp->ch_drive[i].chnl_softc = chp;
chp->ch_drive[i].drive = i;
}
/*
* The 3112 is a 2-port part, and only has one drive per channel
* (each port emulates a master drive).
*
* The 3114 is similar, but has 4 channels.
*/
/*
* Request communication initialization sequence, any speed.
* Performing this is the equivalent of an ATA Reset.
*/
scontrol = SControl_DET_INIT | SControl_SPD_ANY;
/*
* XXX We don't yet support SATA power management; disable all
* power management state transitions.
*/
scontrol |= SControl_IPM_NONE;
BA5_WRITE_4(sc, chp->channel, ba5_SControl, scontrol);
delay(50 * 1000);
scontrol &= ~SControl_DET_INIT;
BA5_WRITE_4(sc, chp->channel, ba5_SControl, scontrol);
delay(50 * 1000);
sstatus = BA5_READ_4(sc, chp->channel, ba5_SStatus);
#if 0
printf("%s: port %d: SStatus=0x%08x, SControl=0x%08x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus,
BA5_READ_4(sc, chp->channel, ba5_SControl));
#endif
switch (sstatus & SStatus_DET_mask) {
case SStatus_DET_NODEV:
/* No device; be silent. */
break;
case SStatus_DET_DEV_NE:
printf("%s: port %d: device connected, but "
"communication not established\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_OFFLINE:
printf("%s: port %d: PHY offline\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_DEV:
/*
* XXX ATAPI detection doesn't currently work. Don't
* XXX know why. But, it's not like the standard method
* XXX can detect an ATAPI device connected via a SATA/PATA
* XXX bridge, so at least this is no worse. --thorpej
*/
if (chp->_vtbl != NULL)
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (0 << 4));
else
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh,
wdr_sdh & _WDC_REGMASK, WDSD_IBM | (0 << 4));
delay(10); /* 400ns delay */
/* Save register contents. */
if (chp->_vtbl != NULL) {
scnt = CHP_READ_REG(chp, wdr_seccnt);
sn = CHP_READ_REG(chp, wdr_sector);
cl = CHP_READ_REG(chp, wdr_cyl_lo);
ch = CHP_READ_REG(chp, wdr_cyl_hi);
} else {
scnt = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_seccnt & _WDC_REGMASK);
sn = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_sector & _WDC_REGMASK);
cl = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_cyl_lo & _WDC_REGMASK);
ch = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_cyl_hi & _WDC_REGMASK);
}
#if 0
printf("%s: port %d: scnt=0x%x sn=0x%x cl=0x%x ch=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel,
scnt, sn, cl, ch);
#endif
/*
* scnt and sn are supposed to be 0x1 for ATAPI, but in some
* cases we get wrong values here, so ignore it.
*/
s = splbio();
if (cl == 0x14 && ch == 0xeb)
chp->ch_drive[0].drive_flags |= DRIVE_ATAPI;
else
chp->ch_drive[0].drive_flags |= DRIVE_ATA;
splx(s);
printf("%s: port %d: device present",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
switch ((sstatus & SStatus_SPD_mask) >> SStatus_SPD_shift) {
case 1:
printf(", speed: 1.5Gb/s");
break;
case 2:
printf(", speed: 3.0Gb/s");
break;
}
printf("\n");
break;
default:
printf("%s: port %d: unknown SStatus: 0x%08x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus);
}
}
void
sii3114_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t scs_cmd;
pci_intr_handle_t intrhandle;
const char *intrstr;
int channel;
struct pciide_satalink *sl = sc->sc_cookie;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_satalink), M_DEVBUF,
M_NOWAIT);
sl = sc->sc_cookie;
bzero(sl, sizeof(*sl));
#define SII3114_RESET_BITS \
(SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \
SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \
SCS_CMD_FF3_RESET | SCS_CMD_FF2_RESET | \
SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET | \
SCS_CMD_IDE3_RESET | SCS_CMD_IDE2_RESET)
/*
* Reset everything and then unblock all of the interrupts.
*/
scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD);
pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD,
scs_cmd | SII3114_RESET_BITS);
delay(50 * 1000);
pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD,
scs_cmd & SCS_CMD_M66EN);
delay(50 * 1000);
/*
* On the 3114, the BA5 register space is always enabled. In
* order to use the 3114 in any sane way, we must use this BA5
* register space, and so we consider it an error if we cannot
* map it.
*
* As a consequence of using BA5, our register mapping is different
* from a normal PCI IDE controller's, and so we are unable to use
* most of the common PCI IDE register mapping functions.
*/
if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14,
PCI_MAPREG_TYPE_MEM |
PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sl->ba5_st, &sl->ba5_sh,
NULL, NULL, 0) != 0) {
printf(": unable to map BA5 register space\n");
return;
}
sl->ba5_en = 1;
/*
* Set the Interrupt Steering bit in the IDEDMA_CMD register of
* channel 2. This is required at all times for proper operation
* when using the BA5 register space (otherwise interrupts from
* all 4 channels won't work).
*/
BA5_WRITE_4(sc, 2, ba5_IDEDMA_CMD, IDEDMA_CMD_INT_STEER);
printf(": DMA");
sii3114_mapreg_dma(sc, pa);
printf("\n");
sii_fixup_cacheline(sc, pa);
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32;
sc->sc_wdcdev.PIO_cap = 4;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
}
sc->sc_wdcdev.set_modes = sii3112_setup_channel;
/* We can use SControl and SStatus to probe for drives. */
sc->sc_wdcdev.drv_probe = sii3112_drv_probe;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = 4;
/* Map and establish the interrupt handler. */
if (pci_intr_map(pa, &intrhandle) != 0) {
printf("%s: couldn't map native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO,
/* XXX */
pciide_pci_intr, sc,
sc->sc_wdcdev.sc_dev.dv_xname);
if (sc->sc_pci_ih != NULL) {
printf("%s: using %s for native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname,
intrstr ? intrstr : "unknown interrupt");
} else {
printf("%s: couldn't establish native-PCI interrupt",
sc->sc_wdcdev.sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (sii3114_chansetup(sc, channel) == 0)
continue;
sii3114_mapchan(cp);
if (cp->hw_ok == 0)
continue;
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
}
void
sii3114_mapreg_dma(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *pc;
int chan, reg;
bus_size_t size;
struct pciide_satalink *sl = sc->sc_cookie;
sc->sc_wdcdev.dma_arg = sc;
sc->sc_wdcdev.dma_init = pciide_dma_init;
sc->sc_wdcdev.dma_start = pciide_dma_start;
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
/*
* Slice off a subregion of BA5 for each of the channel's DMA
* registers.
*/
sc->sc_dma_iot = sl->ba5_st;
for (chan = 0; chan < 4; chan++) {
pc = &sc->pciide_channels[chan];
for (reg = 0; reg < IDEDMA_NREGS; reg++) {
size = 4;
if (size > (IDEDMA_SCH_OFFSET - reg))
size = IDEDMA_SCH_OFFSET - reg;
if (bus_space_subregion(sl->ba5_st,
sl->ba5_sh,
satalink_ba5_regmap[chan].ba5_IDEDMA_CMD + reg,
size, &sl->regs[chan].dma_iohs[reg]) != 0) {
sc->sc_dma_ok = 0;
printf(": can't subregion offset "
"%lu size %lu",
(u_long) satalink_ba5_regmap[
chan].ba5_IDEDMA_CMD + reg,
(u_long) size);
return;
}
}
}
sc->sc_dmacmd_read = sii3114_dmacmd_read;
sc->sc_dmacmd_write = sii3114_dmacmd_write;
sc->sc_dmactl_read = sii3114_dmactl_read;
sc->sc_dmactl_write = sii3114_dmactl_write;
sc->sc_dmatbl_write = sii3114_dmatbl_write;
/* DMA registers all set up! */
sc->sc_dmat = pa->pa_dmat;
sc->sc_dma_ok = 1;
}
int
sii3114_chansetup(struct pciide_softc *sc, int channel)
{
static const char *channel_names[] = {
"port 0",
"port 1",
"port 2",
"port 3",
};
struct pciide_channel *cp = &sc->pciide_channels[channel];
sc->wdc_chanarray[channel] = &cp->wdc_channel;
/*
* We must always keep the Interrupt Steering bit set in channel 2's
* IDEDMA_CMD register.
*/
if (channel == 2)
cp->idedma_cmd = IDEDMA_CMD_INT_STEER;
cp->name = channel_names[channel];
cp->wdc_channel.channel = channel;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
if (cp->wdc_channel.ch_queue == NULL) {
printf("%s %s channel: "
"can't allocate memory for command queue",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return (0);
}
return (1);
}
void
sii3114_mapchan(struct pciide_channel *cp)
{
struct channel_softc *wdc_cp = &cp->wdc_channel;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_satalink *sl = sc->sc_cookie;
int chan = wdc_cp->channel;
int i;
cp->hw_ok = 0;
cp->compat = 0;
cp->ih = sc->sc_pci_ih;
sl->regs[chan].cmd_iot = sl->ba5_st;
if (bus_space_subregion(sl->ba5_st, sl->ba5_sh,
satalink_ba5_regmap[chan].ba5_IDE_TF0,
9, &sl->regs[chan].cmd_baseioh) != 0) {
printf("%s: couldn't subregion %s cmd base\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
sl->regs[chan].ctl_iot = sl->ba5_st;
if (bus_space_subregion(sl->ba5_st, sl->ba5_sh,
satalink_ba5_regmap[chan].ba5_IDE_TF8,
1, &cp->ctl_baseioh) != 0) {
printf("%s: couldn't subregion %s ctl base\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
sl->regs[chan].ctl_ioh = cp->ctl_baseioh;
for (i = 0; i < WDC_NREG; i++) {
if (bus_space_subregion(sl->regs[chan].cmd_iot,
sl->regs[chan].cmd_baseioh,
i, i == 0 ? 4 : 1,
&sl->regs[chan].cmd_iohs[i]) != 0) {
printf("%s: couldn't subregion %s channel "
"cmd regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
}
sl->regs[chan].cmd_iohs[wdr_status & _WDC_REGMASK] =
sl->regs[chan].cmd_iohs[wdr_command & _WDC_REGMASK];
sl->regs[chan].cmd_iohs[wdr_features & _WDC_REGMASK] =
sl->regs[chan].cmd_iohs[wdr_error & _WDC_REGMASK];
wdc_cp->data32iot = wdc_cp->cmd_iot = sl->regs[chan].cmd_iot;
wdc_cp->data32ioh = wdc_cp->cmd_ioh = sl->regs[chan].cmd_iohs[0];
wdc_cp->_vtbl = &wdc_sii3114_vtbl;
wdcattach(wdc_cp);
cp->hw_ok = 1;
}
u_int8_t
sii3114_read_reg(struct channel_softc *chp, enum wdc_regs reg)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_satalink *sl = sc->sc_cookie;
if (reg & _WDC_AUX)
return (bus_space_read_1(sl->regs[chp->channel].ctl_iot,
sl->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK));
else
return (bus_space_read_1(sl->regs[chp->channel].cmd_iot,
sl->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK], 0));
}
void
sii3114_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int8_t val)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_satalink *sl = sc->sc_cookie;
if (reg & _WDC_AUX)
bus_space_write_1(sl->regs[chp->channel].ctl_iot,
sl->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK, val);
else
bus_space_write_1(sl->regs[chp->channel].cmd_iot,
sl->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK],
0, val);
}
u_int8_t
sii3114_dmacmd_read(struct pciide_softc *sc, int chan)
{
struct pciide_satalink *sl = sc->sc_cookie;
return (bus_space_read_1(sc->sc_dma_iot,
sl->regs[chan].dma_iohs[IDEDMA_CMD(0)], 0));
}
void
sii3114_dmacmd_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
struct pciide_satalink *sl = sc->sc_cookie;
bus_space_write_1(sc->sc_dma_iot,
sl->regs[chan].dma_iohs[IDEDMA_CMD(0)], 0, val);
}
u_int8_t
sii3114_dmactl_read(struct pciide_softc *sc, int chan)
{
struct pciide_satalink *sl = sc->sc_cookie;
return (bus_space_read_1(sc->sc_dma_iot,
sl->regs[chan].dma_iohs[IDEDMA_CTL(0)], 0));
}
void
sii3114_dmactl_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
struct pciide_satalink *sl = sc->sc_cookie;
bus_space_write_1(sc->sc_dma_iot,
sl->regs[chan].dma_iohs[IDEDMA_CTL(0)], 0, val);
}
void
sii3114_dmatbl_write(struct pciide_softc *sc, int chan, u_int32_t val)
{
struct pciide_satalink *sl = sc->sc_cookie;
bus_space_write_4(sc->sc_dma_iot,
sl->regs[chan].dma_iohs[IDEDMA_TBL(0)], 0, val);
}
void
cy693_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
bus_size_t cmdsize, ctlsize;
struct pciide_cy *cy;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_cy), M_DEVBUF, M_NOWAIT);
cy = sc->sc_cookie;
bzero(cy, sizeof(*cy));
/*
* this chip has 2 PCI IDE functions, one for primary and one for
* secondary. So we need to call pciide_mapregs_compat() with
* the real channel
*/
if (pa->pa_function == 1) {
cy->cy_compatchan = 0;
} else if (pa->pa_function == 2) {
cy->cy_compatchan = 1;
} else {
printf(": unexpected PCI function %d\n", pa->pa_function);
return;
}
if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) {
printf(": DMA");
pciide_mapreg_dma(sc, pa);
} else {
printf(": no DMA");
sc->sc_dma_ok = 0;
}
cy->cy_handle = cy82c693_init(pa->pa_iot);
if (cy->cy_handle == NULL) {
printf(", (unable to map ctl registers)");
sc->sc_dma_ok = 0;
}
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = cy693_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = 1;
/* Only one channel for this chip; if we are here it's enabled */
cp = &sc->pciide_channels[0];
sc->wdc_chanarray[0] = &cp->wdc_channel;
cp->name = PCIIDE_CHANNEL_NAME(0);
cp->wdc_channel.channel = 0;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
if (cp->wdc_channel.ch_queue == NULL) {
printf(": cannot allocate memory for command queue\n");
return;
}
printf(", %s %s to ", PCIIDE_CHANNEL_NAME(0),
(interface & PCIIDE_INTERFACE_SETTABLE(0)) ?
"configured" : "wired");
if (interface & PCIIDE_INTERFACE_PCI(0)) {
printf("native-PCI\n");
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize,
pciide_pci_intr);
} else {
printf("compatibility\n");
cp->hw_ok = pciide_mapregs_compat(pa, cp, cy->cy_compatchan,
&cmdsize, &ctlsize);
}
cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
pciide_map_compat_intr(pa, cp, cy->cy_compatchan, interface);
if (cp->hw_ok == 0)
return;
wdcattach(&cp->wdc_channel);
if (pciide_chan_candisable(cp)) {
pci_conf_write(sc->sc_pc, sc->sc_tag,
PCI_COMMAND_STATUS_REG, 0);
}
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, cy->cy_compatchan,
interface);
return;
}
WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE);
cy693_setup_channel(&cp->wdc_channel);
WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n",
pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE);
}
void
cy693_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t cy_cmd_ctrl;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int dma_mode = -1;
struct pciide_cy *cy = sc->sc_cookie;
cy_cmd_ctrl = idedma_ctl = 0;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if (drvp->drive_flags & DRIVE_DMA) {
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
/* use Multiword DMA */
if (dma_mode == -1 || dma_mode > drvp->DMA_mode)
dma_mode = drvp->DMA_mode;
}
cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] <<
CY_CMD_CTRL_IOW_PULSE_OFF(drive));
cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] <<
CY_CMD_CTRL_IOW_REC_OFF(drive));
cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] <<
CY_CMD_CTRL_IOR_PULSE_OFF(drive));
cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] <<
CY_CMD_CTRL_IOR_REC_OFF(drive));
}
pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl);
chp->ch_drive[0].DMA_mode = dma_mode;
chp->ch_drive[1].DMA_mode = dma_mode;
if (dma_mode == -1)
dma_mode = 0;
if (cy->cy_handle != NULL) {
/* Note: `multiple' is implied. */
cy82c693_write(cy->cy_handle,
(cy->cy_compatchan == 0) ?
CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode);
}
pciide_print_modes(cp);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
}
static struct sis_hostbr_type {
u_int16_t id;
u_int8_t rev;
u_int8_t udma_mode;
char *name;
u_int8_t type;
#define SIS_TYPE_NOUDMA 0
#define SIS_TYPE_66 1
#define SIS_TYPE_100OLD 2
#define SIS_TYPE_100NEW 3
#define SIS_TYPE_133OLD 4
#define SIS_TYPE_133NEW 5
#define SIS_TYPE_SOUTH 6
} sis_hostbr_type[] = {
/* Most infos here are from sos@freebsd.org */
{PCI_PRODUCT_SIS_530, 0x00, 4, "530", SIS_TYPE_66},
#if 0
/*
* controllers associated to a rev 0x2 530 Host to PCI Bridge
* have problems with UDMA (info provided by Christos)
*/
{PCI_PRODUCT_SIS_530, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA},
#endif
{PCI_PRODUCT_SIS_540, 0x00, 4, "540", SIS_TYPE_66},
{PCI_PRODUCT_SIS_550, 0x00, 4, "550", SIS_TYPE_66},
{PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66},
{PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66},
{PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_661, 0x00, 6, "661", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD},
{PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_741, 0x00, 6, "741", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW},
{PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH},
{PCI_PRODUCT_SIS_760, 0x00, 6, "760", SIS_TYPE_SOUTH},
/*
* From sos@freebsd.org: the 0x961 ID will never be found in real world
* {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW},
*/
{PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW},
{PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW}
};
static struct sis_hostbr_type *sis_hostbr_type_match;
int
sis_hostbr_match(struct pci_attach_args *pa)
{
int i;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS)
return (0);
sis_hostbr_type_match = NULL;
for (i = 0;
i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]);
i++) {
if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id &&
PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev)
sis_hostbr_type_match = &sis_hostbr_type[i];
}
return (sis_hostbr_type_match != NULL);
}
int
sis_south_match(struct pci_attach_args *pa)
{
return(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 &&
PCI_REVISION(pa->pa_class) >= 0x10);
}
void
sis_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
int rev = sc->sc_rev;
bus_size_t cmdsize, ctlsize;
pcitag_t br_tag;
struct pci_attach_args br_pa;
struct pciide_sis *sis;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_sis), M_DEVBUF, M_NOWAIT);
sis = sc->sc_cookie;
bzero(sis, sizeof(*sis));
/* Find PCI bridge (dev 0 func 0 on the same bus) */
br_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, 0, 0);
br_pa.pa_id = pci_conf_read(sc->sc_pc, br_tag, PCI_ID_REG);
br_pa.pa_class = pci_conf_read(sc->sc_pc, br_tag, PCI_CLASS_REG);
WDCDEBUG_PRINT(("%s: PCI bridge pa_id=0x%x pa_class=0x%x\n",
__func__, br_pa.pa_id, br_pa.pa_class), DEBUG_PROBE);
if (sis_hostbr_match(&br_pa)) {
if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) {
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57,
pciide_pci_read(sc->sc_pc, sc->sc_tag,
SIS_REG_57) & 0x7f);
if (sc->sc_pp->ide_product == SIS_PRODUCT_5518) {
sis->sis_type = SIS_TYPE_133NEW;
sc->sc_wdcdev.UDMA_cap =
sis_hostbr_type_match->udma_mode;
} else {
/* Find ISA bridge (func 0 of the same dev) */
br_tag = pci_make_tag(pa->pa_pc, pa->pa_bus,
pa->pa_device, 0);
br_pa.pa_id = pci_conf_read(sc->sc_pc,
br_tag, PCI_ID_REG);
br_pa.pa_class = pci_conf_read(sc->sc_pc,
br_tag, PCI_CLASS_REG);
WDCDEBUG_PRINT(("%s: ISA bridge "
"pa_id=0x%x pa_class=0x%x\n",
__func__, br_pa.pa_id, br_pa.pa_class),
DEBUG_PROBE);
if (sis_south_match(&br_pa)) {
sis->sis_type = SIS_TYPE_133OLD;
sc->sc_wdcdev.UDMA_cap =
sis_hostbr_type_match->udma_mode;
} else {
sis->sis_type = SIS_TYPE_100NEW;
sc->sc_wdcdev.UDMA_cap =
sis_hostbr_type_match->udma_mode;
}
}
} else {
sis->sis_type = sis_hostbr_type_match->type;
sc->sc_wdcdev.UDMA_cap =
sis_hostbr_type_match->udma_mode;
}
printf(": %s", sis_hostbr_type_match->name);
} else {
printf(": 5597/5598");
if (rev >= 0xd0) {
sc->sc_wdcdev.UDMA_cap = 2;
sis->sis_type = SIS_TYPE_66;
} else {
sc->sc_wdcdev.UDMA_cap = 0;
sis->sis_type = SIS_TYPE_NOUDMA;
}
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
if (sis->sis_type >= SIS_TYPE_66)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
switch (sis->sis_type) {
case SIS_TYPE_NOUDMA:
case SIS_TYPE_66:
case SIS_TYPE_100OLD:
sc->sc_wdcdev.set_modes = sis_setup_channel;
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC,
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) |
SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC);
break;
case SIS_TYPE_100NEW:
case SIS_TYPE_133OLD:
sc->sc_wdcdev.set_modes = sis_setup_channel;
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49,
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01);
break;
case SIS_TYPE_133NEW:
sc->sc_wdcdev.set_modes = sis96x_setup_channel;
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50,
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7);
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52,
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7);
break;
}
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) ||
(channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
if (pciide_chan_candisable(cp)) {
if (channel == 0)
sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN;
else
sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN;
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0,
sis_ctr0);
}
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
}
void
sis96x_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t sis_tim;
u_int32_t idedma_ctl;
int regtim;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
sis_tim = 0;
idedma_ctl = 0;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
regtim = SIS_TIM133(
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57),
chp->channel, drive);
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
SIS96x_REG_CBL(chp->channel)) & SIS96x_REG_CBL_33) {
if (drvp->UDMA_mode > 2)
drvp->UDMA_mode = 2;
}
sis_tim |= sis_udma133new_tim[drvp->UDMA_mode];
sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
/*
* use Multiword DMA
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
*/
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
drvp->PIO_mode = drvp->DMA_mode + 2;
if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
drvp->DMA_mode = (drvp->PIO_mode > 2) ?
drvp->PIO_mode - 2 : 0;
sis_tim |= sis_dma133new_tim[drvp->DMA_mode];
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
sis_tim |= sis_pio133new_tim[drvp->PIO_mode];
}
WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for "
"channel %d drive %d: 0x%x (reg 0x%x)\n",
chp->channel, drive, sis_tim, regtim), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
sis_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t sis_tim;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_sis *sis = sc->sc_cookie;
WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for "
"channel %d 0x%x\n", chp->channel,
pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))),
DEBUG_PROBE);
sis_tim = 0;
idedma_ctl = 0;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0)
goto pio;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
if (pciide_pci_read(sc->sc_pc, sc->sc_tag,
SIS_REG_CBL) & SIS_REG_CBL_33(chp->channel)) {
if (drvp->UDMA_mode > 2)
drvp->UDMA_mode = 2;
}
switch (sis->sis_type) {
case SIS_TYPE_66:
case SIS_TYPE_100OLD:
sis_tim |= sis_udma66_tim[drvp->UDMA_mode] <<
SIS_TIM66_UDMA_TIME_OFF(drive);
break;
case SIS_TYPE_100NEW:
sis_tim |=
sis_udma100new_tim[drvp->UDMA_mode] <<
SIS_TIM100_UDMA_TIME_OFF(drive);
break;
case SIS_TYPE_133OLD:
sis_tim |=
sis_udma133old_tim[drvp->UDMA_mode] <<
SIS_TIM100_UDMA_TIME_OFF(drive);
break;
default:
printf("unknown SiS IDE type %d\n",
sis->sis_type);
}
} else {
/*
* use Multiword DMA
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
*/
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
drvp->PIO_mode = drvp->DMA_mode + 2;
if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
drvp->DMA_mode = (drvp->PIO_mode > 2) ?
drvp->PIO_mode - 2 : 0;
if (drvp->DMA_mode == 0)
drvp->PIO_mode = 0;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio: switch (sis->sis_type) {
case SIS_TYPE_NOUDMA:
case SIS_TYPE_66:
case SIS_TYPE_100OLD:
sis_tim |= sis_pio_act[drvp->PIO_mode] <<
SIS_TIM66_ACT_OFF(drive);
sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
SIS_TIM66_REC_OFF(drive);
break;
case SIS_TYPE_100NEW:
case SIS_TYPE_133OLD:
sis_tim |= sis_pio_act[drvp->PIO_mode] <<
SIS_TIM100_ACT_OFF(drive);
sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
SIS_TIM100_REC_OFF(drive);
break;
default:
printf("unknown SiS IDE type %d\n",
sis->sis_type);
}
}
WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for "
"channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
natsemi_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface, ctl;
bus_size_t cmdsize, ctlsize;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = natsemi_irqack;
}
pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CCBT, 0xb7);
/*
* Mask off interrupts from both channels, appropriate channel(s)
* will be unmasked later.
*/
pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2,
pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2) |
NATSEMI_CHMASK(0) | NATSEMI_CHMASK(1));
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = natsemi_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag,
PCI_CLASS_REG));
interface &= ~PCIIDE_CHANSTATUS_EN; /* Reserved on PC87415 */
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
/* If we're in PCIIDE mode, unmask INTA, otherwise mask it. */
ctl = pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL1);
if (interface & (PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1)))
ctl &= ~NATSEMI_CTRL1_INTAMASK;
else
ctl |= NATSEMI_CTRL1_INTAMASK;
pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL1, ctl);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
natsemi_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
natsemi_setup_channel(&cp->wdc_channel);
}
}
void
natsemi_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, ndrives = 0;
u_int32_t idedma_ctl = 0;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
u_int8_t tim;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
ndrives++;
/* add timing values, setup DMA if needed */
if ((drvp->drive_flags & DRIVE_DMA) == 0) {
tim = natsemi_pio_pulse[drvp->PIO_mode] |
(natsemi_pio_recover[drvp->PIO_mode] << 4);
} else {
/*
* use Multiword DMA
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
*/
if (drvp->PIO_mode >= 3 &&
(drvp->DMA_mode + 2) > drvp->PIO_mode) {
drvp->DMA_mode = drvp->PIO_mode - 2;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
tim = natsemi_dma_pulse[drvp->DMA_mode] |
(natsemi_dma_recover[drvp->DMA_mode] << 4);
}
pciide_pci_write(sc->sc_pc, sc->sc_tag,
NATSEMI_RTREG(chp->channel, drive), tim);
pciide_pci_write(sc->sc_pc, sc->sc_tag,
NATSEMI_WTREG(chp->channel, drive), tim);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
if (ndrives > 0) {
/* Unmask the channel if at least one drive is found */
pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2,
pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2) &
~(NATSEMI_CHMASK(chp->channel)));
}
pciide_print_modes(cp);
/* Go ahead and ack interrupts generated during probe. */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel),
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel)));
}
void
natsemi_irqack(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
u_int8_t clr;
/* The "clear" bits are in the wrong register *sigh* */
clr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CMD(chp->channel));
clr |= bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel)) &
(IDEDMA_CTL_ERR | IDEDMA_CTL_INTR);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CMD(chp->channel), clr);
}
int
natsemi_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int8_t msk;
rv = 0;
msk = pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
/* If this channel is masked, skip it. */
if (msk & NATSEMI_CHMASK(i))
continue;
if (pciide_intr_flag(cp) == 0)
continue;
crv = wdcintr(wdc_cp);
if (crv == 0)
; /* leave rv alone */
else if (crv == 1)
rv = 1; /* claim the intr */
else if (rv == 0) /* crv should be -1 in this case */
rv = crv; /* if we've done no better, take it */
}
return (rv);
}
void
ns_scx200_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
bus_size_t cmdsize, ctlsize;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 2;
sc->sc_wdcdev.set_modes = ns_scx200_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
/*
* Soekris net4801 errata 0003:
*
* The SC1100 built in busmaster IDE controller is pretty standard,
* but have two bugs: data transfers need to be dword aligned and
* it cannot do an exact 64Kbyte data transfer.
*
* Assume that reducing maximum segment size by one page
* will be enough, and restrict boundary too for extra certainty.
*/
if (sc->sc_pp->ide_product == PCI_PRODUCT_NS_SCx200_IDE) {
sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX - PAGE_SIZE;
sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_MAX - PAGE_SIZE;
}
/*
* This chip seems to be unable to do one-sector transfers
* using DMA.
*/
sc->sc_wdcdev.quirks = WDC_QUIRK_NOSHORTDMA;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
}
void
ns_scx200_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, mode;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel*)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
int pioformat;
pcireg_t piotim, dmatim;
/* Setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
pioformat = (pci_conf_read(sc->sc_pc, sc->sc_tag,
SCx200_TIM_DMA(0, 0)) >> SCx200_PIOFORMAT_SHIFT) & 0x01;
WDCDEBUG_PRINT(("%s: pio format %d\n", __func__, pioformat),
DEBUG_PROBE);
/* Per channel settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
piotim = pci_conf_read(sc->sc_pc, sc->sc_tag,
SCx200_TIM_PIO(channel, drive));
dmatim = pci_conf_read(sc->sc_pc, sc->sc_tag,
SCx200_TIM_DMA(channel, drive));
WDCDEBUG_PRINT(("%s:%d:%d: piotim=0x%x, dmatim=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel, drive,
piotim, dmatim), DEBUG_PROBE);
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 &&
(drvp->drive_flags & DRIVE_UDMA) != 0) {
/* Setup UltraDMA mode */
drvp->drive_flags &= ~DRIVE_DMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
dmatim = scx200_udma33[drvp->UDMA_mode];
mode = drvp->PIO_mode;
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 &&
(drvp->drive_flags & DRIVE_DMA) != 0) {
/* Setup multiword DMA mode */
drvp->drive_flags &= ~DRIVE_UDMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
dmatim = scx200_dma33[drvp->DMA_mode];
/* mode = min(pio, dma + 2) */
if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
} else {
mode = drvp->PIO_mode;
}
/* Setup PIO mode */
drvp->PIO_mode = mode;
if (mode < 2)
drvp->DMA_mode = 0;
else
drvp->DMA_mode = mode - 2;
piotim = scx200_pio33[pioformat][drvp->PIO_mode];
WDCDEBUG_PRINT(("%s:%d:%d: new piotim=0x%x, dmatim=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel, drive,
piotim, dmatim), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag,
SCx200_TIM_PIO(channel, drive), piotim);
pci_conf_write(sc->sc_pc, sc->sc_tag,
SCx200_TIM_DMA(channel, drive), dmatim);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
acer_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t cr, interface;
bus_size_t cmdsize, ctlsize;
int rev = sc->sc_rev;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA;
if (rev >= 0x20) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
if (rev >= 0xC4)
sc->sc_wdcdev.UDMA_cap = 5;
else if (rev >= 0xC2)
sc->sc_wdcdev.UDMA_cap = 4;
else
sc->sc_wdcdev.UDMA_cap = 2;
}
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = acer_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC,
(pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) |
ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE);
/* Enable "microsoft register bits" R/W. */
pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3,
pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI);
pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1,
pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) &
~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1)));
pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2,
pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) &
~ACER_CHANSTATUSREGS_RO);
cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG);
cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT);
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr);
/* Don't use cr, re-read the real register content instead */
interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag,
PCI_CLASS_REG));
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
/* From linux: enable "Cable Detection" */
if (rev >= 0xC2)
pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B,
pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B)
| ACER_0x4B_CDETECT);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if ((interface & PCIIDE_CHAN_EN(channel)) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
(rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
if (pciide_chan_candisable(cp)) {
cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT);
pci_conf_write(sc->sc_pc, sc->sc_tag,
PCI_CLASS_REG, cr);
}
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
acer_setup_channel(&cp->wdc_channel);
}
}
void
acer_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
u_int32_t acer_fifo_udma;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
idedma_ctl = 0;
acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA);
WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n",
acer_fifo_udma), DEBUG_PROBE);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) &
DRIVE_UDMA) { /* check 80 pins cable */
if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) &
ACER_0x4A_80PIN(chp->channel)) {
WDCDEBUG_PRINT(("%s:%d: 80-wire cable not detected\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel),
DEBUG_PROBE);
if (chp->ch_drive[0].UDMA_mode > 2)
chp->ch_drive[0].UDMA_mode = 2;
if (chp->ch_drive[1].UDMA_mode > 2)
chp->ch_drive[1].UDMA_mode = 2;
}
}
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for "
"channel %d drive %d 0x%x\n", chp->channel, drive,
pciide_pci_read(sc->sc_pc, sc->sc_tag,
ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE);
/* clear FIFO/DMA mode */
acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) |
ACER_UDMA_EN(chp->channel, drive) |
ACER_UDMA_TIM(chp->channel, drive, 0x7));
/* add timing values, setup DMA if needed */
if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
(drvp->drive_flags & DRIVE_UDMA) == 0) {
acer_fifo_udma |=
ACER_FTH_OPL(chp->channel, drive, 0x1);
goto pio;
}
acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2);
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive);
acer_fifo_udma |=
ACER_UDMA_TIM(chp->channel, drive,
acer_udma[drvp->UDMA_mode]);
/* XXX disable if one drive < UDMA3 ? */
if (drvp->UDMA_mode >= 3) {
pciide_pci_write(sc->sc_pc, sc->sc_tag,
ACER_0x4B,
pciide_pci_read(sc->sc_pc, sc->sc_tag,
ACER_0x4B) | ACER_0x4B_UDMA66);
}
} else {
/*
* use Multiword DMA
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
*/
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
drvp->PIO_mode = drvp->DMA_mode + 2;
if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
drvp->DMA_mode = (drvp->PIO_mode > 2) ?
drvp->PIO_mode - 2 : 0;
if (drvp->DMA_mode == 0)
drvp->PIO_mode = 0;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio: pciide_pci_write(sc->sc_pc, sc->sc_tag,
ACER_IDETIM(chp->channel, drive),
acer_pio[drvp->PIO_mode]);
}
WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n",
acer_fifo_udma), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
pciide_print_modes(cp);
}
int
acer_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int32_t chids;
rv = 0;
chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
if (chids & ACER_CHIDS_INT(i)) {
crv = wdcintr(wdc_cp);
if (crv == 0)
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
else
rv = 1;
}
}
return (rv);
}
void
hpt_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int i, compatchan, revision;
pcireg_t interface;
bus_size_t cmdsize, ctlsize;
revision = sc->sc_rev;
/*
* when the chip is in native mode it identifies itself as a
* 'misc mass storage'. Fake interface in this case.
*/
if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCI_INTERFACE(pa->pa_class);
} else {
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0);
if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
(revision == HPT370_REV || revision == HPT370A_REV ||
revision == HPT372_REV)) ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
interface |= PCIIDE_INTERFACE_PCI(1);
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
printf("\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.set_modes = hpt_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
revision == HPT366_REV) {
sc->sc_wdcdev.UDMA_cap = 4;
/*
* The 366 has 2 PCI IDE functions, one for primary and one
* for secondary. So we need to call pciide_mapregs_compat()
* with the real channel
*/
if (pa->pa_function == 0) {
compatchan = 0;
} else if (pa->pa_function == 1) {
compatchan = 1;
} else {
printf("%s: unexpected PCI function %d\n",
sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function);
return;
}
sc->sc_wdcdev.nchannels = 1;
} else {
sc->sc_wdcdev.nchannels = 2;
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374)
sc->sc_wdcdev.UDMA_cap = 6;
else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) {
if (revision == HPT372_REV)
sc->sc_wdcdev.UDMA_cap = 6;
else
sc->sc_wdcdev.UDMA_cap = 5;
}
}
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
if (sc->sc_wdcdev.nchannels > 1) {
compatchan = i;
if((pciide_pci_read(sc->sc_pc, sc->sc_tag,
HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
}
if (pciide_chansetup(sc, i, interface) == 0)
continue;
if (interface & PCIIDE_INTERFACE_PCI(i)) {
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
&ctlsize, hpt_pci_intr);
} else {
cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan,
&cmdsize, &ctlsize);
}
if (cp->hw_ok == 0)
return;
cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
wdcattach(&cp->wdc_channel);
hpt_setup_channel(&cp->wdc_channel);
}
if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
(revision == HPT370_REV || revision == HPT370A_REV ||
revision == HPT372_REV)) ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) {
/*
* Turn off fast interrupts
*/
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(0),
pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(0)) &
~(HPT370_CTRL2_FASTIRQ | HPT370_CTRL2_HIRQ));
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(1),
pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(1)) &
~(HPT370_CTRL2_FASTIRQ | HPT370_CTRL2_HIRQ));
/*
* HPT370 and highter has a bit to disable interrupts,
* make sure to clear it
*/
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL,
pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) &
~HPT_CSEL_IRQDIS);
}
/* set clocks, etc (mandatory on 372/4, optional otherwise) */
if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 ||
sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 ||
(sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 &&
revision == HPT372_REV))
pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2,
(pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) &
HPT_SC2_MAEN) | HPT_SC2_OSC_EN);
return;
}
void
hpt_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
int cable;
u_int32_t before, after;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int revision = sc->sc_rev;
u_int32_t *tim_pio, *tim_dma, *tim_udma;
cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL);
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_TRIONES_HPT366:
if (revision == HPT370_REV ||
revision == HPT370A_REV) {
tim_pio = hpt370_pio;
tim_dma = hpt370_dma;
tim_udma = hpt370_udma;
} else if (revision == HPT372_REV) {
tim_pio = hpt372_pio;
tim_dma = hpt372_dma;
tim_udma = hpt372_udma;
} else {
tim_pio = hpt366_pio;
tim_dma = hpt366_dma;
tim_udma = hpt366_udma;
}
break;
case PCI_PRODUCT_TRIONES_HPT372A:
case PCI_PRODUCT_TRIONES_HPT302:
case PCI_PRODUCT_TRIONES_HPT371:
tim_pio = hpt372_pio;
tim_dma = hpt372_dma;
tim_udma = hpt372_udma;
break;
case PCI_PRODUCT_TRIONES_HPT374:
tim_pio = hpt374_pio;
tim_dma = hpt374_dma;
tim_udma = hpt374_udma;
break;
default:
printf("%s: no known timing values\n",
sc->sc_wdcdev.sc_dev.dv_xname);
goto end;
}
/* Per drive settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
before = pci_conf_read(sc->sc_pc, sc->sc_tag,
HPT_IDETIM(chp->channel, drive));
/* add timing values, setup DMA if needed */
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 &&
drvp->UDMA_mode > 2) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire "
"cable not detected\n", drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
chp->channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
after = tim_udma[drvp->UDMA_mode];
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
/*
* use Multiword DMA.
* Timings will be used for both PIO and DMA, so adjust
* DMA mode if needed
*/
if (drvp->PIO_mode >= 3 &&
(drvp->DMA_mode + 2) > drvp->PIO_mode) {
drvp->DMA_mode = drvp->PIO_mode - 2;
}
after = tim_dma[drvp->DMA_mode];
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
/* PIO only */
after = tim_pio[drvp->PIO_mode];
}
pci_conf_write(sc->sc_pc, sc->sc_tag,
HPT_IDETIM(chp->channel, drive), after);
WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x "
"(BIOS 0x%08x)\n", sc->sc_wdcdev.sc_dev.dv_xname,
after, before), DEBUG_PROBE);
}
end:
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(chp->channel), idedma_ctl);
}
pciide_print_modes(cp);
}
int
hpt_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int rv = 0;
int dmastat, i, crv;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(i));
if((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
IDEDMA_CTL_INTR)
continue;
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
crv = wdcintr(wdc_cp);
if (crv == 0) {
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(i), dmastat);
} else
rv = 1;
}
return (rv);
}
/* Macros to test product */
#define PDC_IS_262(sc) \
((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20262 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20265 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20267)
#define PDC_IS_265(sc) \
((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20265 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20267 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268R || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277)
#define PDC_IS_268(sc) \
((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268R || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277)
#define PDC_IS_269(sc) \
((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \
(sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277)
static INLINE u_int8_t
pdc268_config_read(struct channel_softc *chp, int index)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC268_INDEX(channel), index);
return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC268_DATA(channel)));
}
/* unused */
static __inline void
pdc268_config_write(struct channel_softc *chp, int index, u_int8_t value)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC268_INDEX(channel), index);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC268_DATA(channel), value);
}
void
pdc202xx_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface, st, mode;
bus_size_t cmdsize, ctlsize;
if (!PDC_IS_268(sc)) {
st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE);
WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n",
st), DEBUG_PROBE);
}
/* turn off RAID mode */
if (!PDC_IS_268(sc))
st &= ~PDC2xx_STATE_IDERAID;
/*
* can't rely on the PCI_CLASS_REG content if the chip was in raid
* mode. We have to fake interface
*/
interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1);
if (PDC_IS_268(sc) || (st & PDC2xx_STATE_NATIVE))
interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20246 ||
PDC_IS_262(sc))
sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_ATAPI_DMA;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
if (PDC_IS_269(sc))
sc->sc_wdcdev.UDMA_cap = 6;
else if (PDC_IS_265(sc))
sc->sc_wdcdev.UDMA_cap = 5;
else if (PDC_IS_262(sc))
sc->sc_wdcdev.UDMA_cap = 4;
else
sc->sc_wdcdev.UDMA_cap = 2;
sc->sc_wdcdev.set_modes = PDC_IS_268(sc) ?
pdc20268_setup_channel : pdc202xx_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
if (PDC_IS_262(sc)) {
sc->sc_wdcdev.dma_start = pdc20262_dma_start;
sc->sc_wdcdev.dma_finish = pdc20262_dma_finish;
}
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
if (!PDC_IS_268(sc)) {
/* setup failsafe defaults */
mode = 0;
mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]);
mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]);
mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]);
mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]);
for (channel = 0;
channel < sc->sc_wdcdev.nchannels;
channel++) {
WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d "
"drive 0 initial timings 0x%x, now 0x%x\n",
channel, pci_conf_read(sc->sc_pc, sc->sc_tag,
PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp),
DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag,
PDC2xx_TIM(channel, 0), mode | PDC2xx_TIM_IORDYp);
WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d "
"drive 1 initial timings 0x%x, now 0x%x\n",
channel, pci_conf_read(sc->sc_pc, sc->sc_tag,
PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag,
PDC2xx_TIM(channel, 1), mode);
}
mode = PDC2xx_SCR_DMA;
if (PDC_IS_262(sc)) {
mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT);
} else {
/* the BIOS set it up this way */
mode = PDC2xx_SCR_SET_GEN(mode, 0x1);
}
mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */
mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */
WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, "
"now 0x%x\n",
bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC2xx_SCR),
mode), DEBUG_PROBE);
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC2xx_SCR, mode);
/* controller initial state register is OK even without BIOS */
/* Set DMA mode to IDE DMA compatibility */
mode =
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM);
WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode),
DEBUG_PROBE);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM,
mode | 0x1);
mode =
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM);
WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM,
mode | 0x1);
}
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if (!PDC_IS_268(sc) && (st & (PDC_IS_262(sc) ?
PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
if (PDC_IS_265(sc))
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pdc20265_pci_intr);
else
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pdc202xx_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
if (!PDC_IS_268(sc) && pciide_chan_candisable(cp)) {
st &= ~(PDC_IS_262(sc) ?
PDC262_STATE_EN(channel):PDC246_STATE_EN(channel));
pciide_unmap_compat_intr(pa, cp, channel, interface);
}
if (PDC_IS_268(sc))
pdc20268_setup_channel(&cp->wdc_channel);
else
pdc202xx_setup_channel(&cp->wdc_channel);
}
if (!PDC_IS_268(sc)) {
WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state "
"0x%x\n", st), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st);
}
return;
}
void
pdc202xx_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive;
pcireg_t mode, st;
u_int32_t idedma_ctl, scr, atapi;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname,
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)),
DEBUG_PROBE);
/* Per channel settings */
if (PDC_IS_262(sc)) {
scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66);
st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE);
/* Check cable */
if ((st & PDC262_STATE_80P(channel)) != 0 &&
((chp->ch_drive[0].drive_flags & DRIVE_UDMA &&
chp->ch_drive[0].UDMA_mode > 2) ||
(chp->ch_drive[1].drive_flags & DRIVE_UDMA &&
chp->ch_drive[1].UDMA_mode > 2))) {
WDCDEBUG_PRINT(("%s:%d: 80-wire cable not detected\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel),
DEBUG_PROBE);
if (chp->ch_drive[0].UDMA_mode > 2)
chp->ch_drive[0].UDMA_mode = 2;
if (chp->ch_drive[1].UDMA_mode > 2)
chp->ch_drive[1].UDMA_mode = 2;
}
/* Trim UDMA mode */
if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA &&
chp->ch_drive[0].UDMA_mode <= 2) ||
(chp->ch_drive[1].drive_flags & DRIVE_UDMA &&
chp->ch_drive[1].UDMA_mode <= 2)) {
if (chp->ch_drive[0].UDMA_mode > 2)
chp->ch_drive[0].UDMA_mode = 2;
if (chp->ch_drive[1].UDMA_mode > 2)
chp->ch_drive[1].UDMA_mode = 2;
}
/* Set U66 if needed */
if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA &&
chp->ch_drive[0].UDMA_mode > 2) ||
(chp->ch_drive[1].drive_flags & DRIVE_UDMA &&
chp->ch_drive[1].UDMA_mode > 2))
scr |= PDC262_U66_EN(channel);
else
scr &= ~PDC262_U66_EN(channel);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66, scr);
WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel,
bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_ATAPI(channel))), DEBUG_PROBE);
if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI ||
chp->ch_drive[1].drive_flags & DRIVE_ATAPI) {
if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) &&
!(chp->ch_drive[1].drive_flags & DRIVE_UDMA) &&
(chp->ch_drive[1].drive_flags & DRIVE_DMA)) ||
((chp->ch_drive[1].drive_flags & DRIVE_UDMA) &&
!(chp->ch_drive[0].drive_flags & DRIVE_UDMA) &&
(chp->ch_drive[0].drive_flags & DRIVE_DMA)))
atapi = 0;
else
atapi = PDC262_ATAPI_UDMA;
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_ATAPI(channel), atapi);
}
}
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
mode = 0;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
mode = PDC2xx_TIM_SET_MB(mode,
pdc2xx_udma_mb[drvp->UDMA_mode]);
mode = PDC2xx_TIM_SET_MC(mode,
pdc2xx_udma_mc[drvp->UDMA_mode]);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if (drvp->drive_flags & DRIVE_DMA) {
mode = PDC2xx_TIM_SET_MB(mode,
pdc2xx_dma_mb[drvp->DMA_mode]);
mode = PDC2xx_TIM_SET_MC(mode,
pdc2xx_dma_mc[drvp->DMA_mode]);
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
mode = PDC2xx_TIM_SET_MB(mode,
pdc2xx_dma_mb[0]);
mode = PDC2xx_TIM_SET_MC(mode,
pdc2xx_dma_mc[0]);
}
mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]);
mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]);
if (drvp->drive_flags & DRIVE_ATA)
mode |= PDC2xx_TIM_PRE;
mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY;
if (drvp->PIO_mode >= 3) {
mode |= PDC2xx_TIM_IORDY;
if (drive == 0)
mode |= PDC2xx_TIM_IORDYp;
}
WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d "
"timings 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname,
chp->channel, drive, mode), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag,
PDC2xx_TIM(chp->channel, drive), mode);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
pdc20268_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, cable;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
/* check 80 pins cable */
cable = pdc268_config_read(chp, 0x0b) & PDC268_CABLE;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (drvp->drive_flags & DRIVE_UDMA) {
/* use Ultra/DMA */
drvp->drive_flags &= ~DRIVE_DMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
if (cable && drvp->UDMA_mode > 2) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire "
"cable not detected\n", drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
} else if (drvp->drive_flags & DRIVE_DMA) {
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
}
}
/* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
int
pdc202xx_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int32_t scr;
rv = 0;
scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
if (scr & PDC2xx_SCR_INT(i)) {
crv = wdcintr(wdc_cp);
if (crv == 0)
printf("%s:%d: bogus intr (reg 0x%x)\n",
sc->sc_wdcdev.sc_dev.dv_xname, i, scr);
else
rv = 1;
}
}
return (rv);
}
int
pdc20265_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int32_t dmastat;
rv = 0;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* If a compat channel skip. */
if (cp->compat)
continue;
/*
* In case of shared IRQ check that the interrupt
* was actually generated by this channel.
* Only check the channel that is enabled.
*/
if (cp->hw_ok && PDC_IS_268(sc)) {
if ((pdc268_config_read(wdc_cp,
0x0b) & PDC268_INTR) == 0)
continue;
}
/*
* The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously,
* however it asserts INT in IDEDMA_CTL even for non-DMA ops.
* So use it instead (requires 2 reg reads instead of 1,
* but we can't do it another way).
*/
dmastat = bus_space_read_1(sc->sc_dma_iot,
sc->sc_dma_ioh, IDEDMA_CTL(i));
if ((dmastat & IDEDMA_CTL_INTR) == 0)
continue;
crv = wdcintr(wdc_cp);
if (crv == 0)
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
else
rv = 1;
}
return (rv);
}
void
pdc20262_dma_start(void *v, int channel, int drive)
{
struct pciide_softc *sc = v;
struct pciide_dma_maps *dma_maps =
&sc->pciide_channels[channel].dma_maps[drive];
u_int8_t clock;
u_int32_t count;
if (dma_maps->dma_flags & WDC_DMA_LBA48) {
clock = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66, clock | PDC262_U66_EN(channel));
count = dma_maps->dmamap_xfer->dm_mapsize >> 1;
count |= dma_maps->dma_flags & WDC_DMA_READ ?
PDC262_ATAPI_LBA48_READ : PDC262_ATAPI_LBA48_WRITE;
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_ATAPI(channel), count);
}
pciide_dma_start(v, channel, drive);
}
int
pdc20262_dma_finish(void *v, int channel, int drive, int force)
{
struct pciide_softc *sc = v;
struct pciide_dma_maps *dma_maps =
&sc->pciide_channels[channel].dma_maps[drive];
u_int8_t clock;
if (dma_maps->dma_flags & WDC_DMA_LBA48) {
clock = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_U66, clock & ~PDC262_U66_EN(channel));
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
PDC262_ATAPI(channel), 0);
}
return (pciide_dma_finish(v, channel, drive, force));
}
void
pdcsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
struct pciide_pdcsata *ps;
int channel, i;
bus_size_t dmasize;
pci_intr_handle_t intrhandle;
const char *intrstr;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_pdcsata), M_DEVBUF,
M_NOWAIT);
ps = sc->sc_cookie;
bzero(ps, sizeof(*ps));
/*
* Promise SATA controllers have 3 or 4 channels,
* the usual IDE registers are mapped in I/O space, with offsets.
*/
if (pci_intr_map(pa, &intrhandle) != 0) {
printf(": couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_PROMISE_PDC20318:
case PCI_PRODUCT_PROMISE_PDC20319:
case PCI_PRODUCT_PROMISE_PDC20371:
case PCI_PRODUCT_PROMISE_PDC20375:
case PCI_PRODUCT_PROMISE_PDC20376:
case PCI_PRODUCT_PROMISE_PDC20377:
case PCI_PRODUCT_PROMISE_PDC20378:
case PCI_PRODUCT_PROMISE_PDC20379:
default:
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
intrhandle, IPL_BIO, pdc203xx_pci_intr, sc,
sc->sc_wdcdev.sc_dev.dv_xname);
break;
case PCI_PRODUCT_PROMISE_PDC40518:
case PCI_PRODUCT_PROMISE_PDC40519:
case PCI_PRODUCT_PROMISE_PDC40718:
case PCI_PRODUCT_PROMISE_PDC40719:
case PCI_PRODUCT_PROMISE_PDC40779:
case PCI_PRODUCT_PROMISE_PDC20571:
case PCI_PRODUCT_PROMISE_PDC20575:
case PCI_PRODUCT_PROMISE_PDC20579:
case PCI_PRODUCT_PROMISE_PDC20771:
case PCI_PRODUCT_PROMISE_PDC20775:
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
intrhandle, IPL_BIO, pdc205xx_pci_intr, sc,
sc->sc_wdcdev.sc_dev.dv_xname);
break;
}
if (sc->sc_pci_ih == NULL) {
printf(": couldn't establish native-PCI interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
sc->sc_dma_ok = (pci_mapreg_map(pa, PCIIDE_REG_BUS_MASTER_DMA,
PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_dma_iot,
&sc->sc_dma_ioh, NULL, &dmasize, 0) == 0);
if (!sc->sc_dma_ok) {
printf(": couldn't map bus-master DMA registers\n");
pci_intr_disestablish(pa->pa_pc, sc->sc_pci_ih);
return;
}
sc->sc_dmat = pa->pa_dmat;
if (pci_mapreg_map(pa, PDC203xx_BAR_IDEREGS,
PCI_MAPREG_MEM_TYPE_32BIT, 0, &ps->ba5_st,
&ps->ba5_sh, NULL, NULL, 0) != 0) {
printf(": couldn't map IDE registers\n");
bus_space_unmap(sc->sc_dma_iot, sc->sc_dma_ioh, dmasize);
pci_intr_disestablish(pa->pa_pc, sc->sc_pci_ih);
return;
}
printf(": DMA\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pdc203xx_irqack;
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.set_modes = pdc203xx_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_PROMISE_PDC20318:
case PCI_PRODUCT_PROMISE_PDC20319:
case PCI_PRODUCT_PROMISE_PDC20371:
case PCI_PRODUCT_PROMISE_PDC20375:
case PCI_PRODUCT_PROMISE_PDC20376:
case PCI_PRODUCT_PROMISE_PDC20377:
case PCI_PRODUCT_PROMISE_PDC20378:
case PCI_PRODUCT_PROMISE_PDC20379:
default:
bus_space_write_4(ps->ba5_st, ps->ba5_sh, 0x06c, 0x00ff0033);
sc->sc_wdcdev.nchannels =
(bus_space_read_4(ps->ba5_st, ps->ba5_sh, 0x48) & 0x02) ?
PDC203xx_NCHANNELS : 3;
break;
case PCI_PRODUCT_PROMISE_PDC40518:
case PCI_PRODUCT_PROMISE_PDC40519:
case PCI_PRODUCT_PROMISE_PDC40718:
case PCI_PRODUCT_PROMISE_PDC40719:
case PCI_PRODUCT_PROMISE_PDC40779:
case PCI_PRODUCT_PROMISE_PDC20571:
bus_space_write_4(ps->ba5_st, ps->ba5_sh, 0x60, 0x00ff00ff);
sc->sc_wdcdev.nchannels = PDC40718_NCHANNELS;
sc->sc_wdcdev.reset = pdc205xx_do_reset;
sc->sc_wdcdev.drv_probe = pdc205xx_drv_probe;
break;
case PCI_PRODUCT_PROMISE_PDC20575:
case PCI_PRODUCT_PROMISE_PDC20579:
case PCI_PRODUCT_PROMISE_PDC20771:
case PCI_PRODUCT_PROMISE_PDC20775:
bus_space_write_4(ps->ba5_st, ps->ba5_sh, 0x60, 0x00ff00ff);
sc->sc_wdcdev.nchannels = PDC20575_NCHANNELS;
sc->sc_wdcdev.reset = pdc205xx_do_reset;
sc->sc_wdcdev.drv_probe = pdc205xx_drv_probe;
break;
}
sc->sc_wdcdev.dma_arg = sc;
sc->sc_wdcdev.dma_init = pciide_dma_init;
sc->sc_wdcdev.dma_start = pdc203xx_dma_start;
sc->sc_wdcdev.dma_finish = pdc203xx_dma_finish;
for (channel = 0; channel < sc->sc_wdcdev.nchannels;
channel++) {
cp = &sc->pciide_channels[channel];
sc->wdc_chanarray[channel] = &cp->wdc_channel;
cp->ih = sc->sc_pci_ih;
cp->name = NULL;
cp->wdc_channel.channel = channel;
cp->wdc_channel.wdc = &sc->sc_wdcdev;
cp->wdc_channel.ch_queue =
malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT);
if (cp->wdc_channel.ch_queue == NULL) {
printf("%s: channel %d: "
"can't allocate memory for command queue\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel);
continue;
}
wdc_cp = &cp->wdc_channel;
ps->regs[channel].ctl_iot = ps->ba5_st;
ps->regs[channel].cmd_iot = ps->ba5_st;
if (bus_space_subregion(ps->ba5_st, ps->ba5_sh,
0x0238 + (channel << 7), 1,
&ps->regs[channel].ctl_ioh) != 0) {
printf("%s: couldn't map channel %d ctl regs\n",
sc->sc_wdcdev.sc_dev.dv_xname,
channel);
continue;
}
for (i = 0; i < WDC_NREG; i++) {
if (bus_space_subregion(ps->ba5_st, ps->ba5_sh,
0x0200 + (i << 2) + (channel << 7), i == 0 ? 4 : 1,
&ps->regs[channel].cmd_iohs[i]) != 0) {
printf("%s: couldn't map channel %d cmd "
"regs\n",
sc->sc_wdcdev.sc_dev.dv_xname,
channel);
continue;
}
}
ps->regs[channel].cmd_iohs[wdr_status & _WDC_REGMASK] =
ps->regs[channel].cmd_iohs[wdr_command & _WDC_REGMASK];
ps->regs[channel].cmd_iohs[wdr_features & _WDC_REGMASK] =
ps->regs[channel].cmd_iohs[wdr_error & _WDC_REGMASK];
wdc_cp->data32iot = wdc_cp->cmd_iot =
ps->regs[channel].cmd_iot;
wdc_cp->data32ioh = wdc_cp->cmd_ioh =
ps->regs[channel].cmd_iohs[0];
wdc_cp->_vtbl = &wdc_pdc203xx_vtbl;
/*
* Subregion de busmaster registers. They're spread all over
* the controller's register space :(. They are also 4 bytes
* sized, with some specific extentions in the extra bits.
* It also seems that the IDEDMA_CTL register isn't available.
*/
if (bus_space_subregion(ps->ba5_st, ps->ba5_sh,
0x260 + (channel << 7), 1,
&ps->regs[channel].dma_iohs[IDEDMA_CMD(0)]) != 0) {
printf("%s channel %d: can't subregion DMA "
"registers\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel);
continue;
}
if (bus_space_subregion(ps->ba5_st, ps->ba5_sh,
0x244 + (channel << 7), 4,
&ps->regs[channel].dma_iohs[IDEDMA_TBL(0)]) != 0) {
printf("%s channel %d: can't subregion DMA "
"registers\n",
sc->sc_wdcdev.sc_dev.dv_xname, channel);
continue;
}
wdcattach(wdc_cp);
bus_space_write_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)], 0,
(bus_space_read_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)],
0) & ~0x00003f9f) | (channel + 1));
bus_space_write_4(ps->ba5_st, ps->ba5_sh,
(channel + 1) << 2, 0x00000001);
pdc203xx_setup_channel(&cp->wdc_channel);
}
printf("%s: using %s for native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname,
intrstr ? intrstr : "unknown interrupt");
}
void
pdc203xx_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
int drive, s;
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if (drvp->drive_flags & DRIVE_UDMA) {
s = splbio();
drvp->drive_flags &= ~DRIVE_DMA;
splx(s);
}
}
pciide_print_modes(cp);
}
int
pdc203xx_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
struct pciide_pdcsata *ps = sc->sc_cookie;
int i, rv, crv;
u_int32_t scr;
rv = 0;
scr = bus_space_read_4(ps->ba5_st, ps->ba5_sh, 0x00040);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
if (scr & (1 << (i + 1))) {
crv = wdcintr(wdc_cp);
if (crv == 0) {
printf("%s:%d: bogus intr (reg 0x%x)\n",
sc->sc_wdcdev.sc_dev.dv_xname,
i, scr);
} else
rv = 1;
}
}
return (rv);
}
int
pdc205xx_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
struct pciide_pdcsata *ps = sc->sc_cookie;
int i, rv, crv;
u_int32_t scr, status;
rv = 0;
scr = bus_space_read_4(ps->ba5_st, ps->ba5_sh, 0x40);
bus_space_write_4(ps->ba5_st, ps->ba5_sh, 0x40, scr & 0x0000ffff);
status = bus_space_read_4(ps->ba5_st, ps->ba5_sh, 0x60);
bus_space_write_4(ps->ba5_st, ps->ba5_sh, 0x60, status & 0x000000ff);
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
if (scr & (1 << (i + 1))) {
crv = wdcintr(wdc_cp);
if (crv == 0) {
printf("%s:%d: bogus intr (reg 0x%x)\n",
sc->sc_wdcdev.sc_dev.dv_xname,
i, scr);
} else
rv = 1;
}
}
return rv;
}
void
pdc203xx_irqack(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_pdcsata *ps = sc->sc_cookie;
int chan = chp->channel;
bus_space_write_4(sc->sc_dma_iot,
ps->regs[chan].dma_iohs[IDEDMA_CMD(0)], 0,
(bus_space_read_4(sc->sc_dma_iot,
ps->regs[chan].dma_iohs[IDEDMA_CMD(0)],
0) & ~0x00003f9f) | (chan + 1));
bus_space_write_4(ps->ba5_st, ps->ba5_sh,
(chan + 1) << 2, 0x00000001);
}
void
pdc203xx_dma_start(void *v, int channel, int drive)
{
struct pciide_softc *sc = v;
struct pciide_channel *cp = &sc->pciide_channels[channel];
struct pciide_dma_maps *dma_maps = &cp->dma_maps[drive];
struct pciide_pdcsata *ps = sc->sc_cookie;
/* Write table address */
bus_space_write_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_TBL(0)], 0,
dma_maps->dmamap_table->dm_segs[0].ds_addr);
/* Start DMA engine */
bus_space_write_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)], 0,
(bus_space_read_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)],
0) & ~0xc0) | ((dma_maps->dma_flags & WDC_DMA_READ) ? 0x80 : 0xc0));
}
int
pdc203xx_dma_finish(void *v, int channel, int drive, int force)
{
struct pciide_softc *sc = v;
struct pciide_channel *cp = &sc->pciide_channels[channel];
struct pciide_dma_maps *dma_maps = &cp->dma_maps[drive];
struct pciide_pdcsata *ps = sc->sc_cookie;
/* Stop DMA channel */
bus_space_write_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)], 0,
(bus_space_read_4(sc->sc_dma_iot,
ps->regs[channel].dma_iohs[IDEDMA_CMD(0)],
0) & ~0x80));
/* Unload the map of the data buffer */
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
dma_maps->dmamap_xfer->dm_mapsize,
(dma_maps->dma_flags & WDC_DMA_READ) ?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer);
return (0);
}
u_int8_t
pdc203xx_read_reg(struct channel_softc *chp, enum wdc_regs reg)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_pdcsata *ps = sc->sc_cookie;
u_int8_t val;
if (reg & _WDC_AUX) {
return (bus_space_read_1(ps->regs[chp->channel].ctl_iot,
ps->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK));
} else {
val = bus_space_read_1(ps->regs[chp->channel].cmd_iot,
ps->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK], 0);
return (val);
}
}
void
pdc203xx_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int8_t val)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_pdcsata *ps = sc->sc_cookie;
if (reg & _WDC_AUX)
bus_space_write_1(ps->regs[chp->channel].ctl_iot,
ps->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK, val);
else
bus_space_write_1(ps->regs[chp->channel].cmd_iot,
ps->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK],
0, val);
}
void
pdc205xx_do_reset(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_pdcsata *ps = sc->sc_cookie;
u_int32_t scontrol;
wdc_do_reset(chp);
/* reset SATA */
scontrol = SControl_DET_INIT | SControl_SPD_ANY | SControl_IPM_NONE;
SCONTROL_WRITE(ps, chp->channel, scontrol);
delay(50*1000);
scontrol &= ~SControl_DET_INIT;
SCONTROL_WRITE(ps, chp->channel, scontrol);
delay(50*1000);
}
void
pdc205xx_drv_probe(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_pdcsata *ps = sc->sc_cookie;
bus_space_handle_t *iohs;
u_int32_t scontrol, sstatus;
u_int16_t scnt, sn, cl, ch;
int i, s;
/* XXX This should be done by other code. */
for (i = 0; i < 2; i++) {
chp->ch_drive[i].chnl_softc = chp;
chp->ch_drive[i].drive = i;
}
SCONTROL_WRITE(ps, chp->channel, 0);
delay(50*1000);
scontrol = SControl_DET_INIT | SControl_SPD_ANY | SControl_IPM_NONE;
SCONTROL_WRITE(ps,chp->channel,scontrol);
delay(50*1000);
scontrol &= ~SControl_DET_INIT;
SCONTROL_WRITE(ps,chp->channel,scontrol);
delay(50*1000);
sstatus = SSTATUS_READ(ps,chp->channel);
switch (sstatus & SStatus_DET_mask) {
case SStatus_DET_NODEV:
/* No Device; be silent. */
break;
case SStatus_DET_DEV_NE:
printf("%s: port %d: device connected, but "
"communication not established\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_OFFLINE:
printf("%s: port %d: PHY offline\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_DEV:
iohs = ps->regs[chp->channel].cmd_iohs;
bus_space_write_1(chp->cmd_iot, iohs[wdr_sdh], 0,
WDSD_IBM);
delay(10); /* 400ns delay */
scnt = bus_space_read_2(chp->cmd_iot, iohs[wdr_seccnt], 0);
sn = bus_space_read_2(chp->cmd_iot, iohs[wdr_sector], 0);
cl = bus_space_read_2(chp->cmd_iot, iohs[wdr_cyl_lo], 0);
ch = bus_space_read_2(chp->cmd_iot, iohs[wdr_cyl_hi], 0);
#if 0
printf("%s: port %d: scnt=0x%x sn=0x%x cl=0x%x ch=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel,
scnt, sn, cl, ch);
#endif
/*
* scnt and sn are supposed to be 0x1 for ATAPI, but in some
* cases we get wrong values here, so ignore it.
*/
s = splbio();
if (cl == 0x14 && ch == 0xeb)
chp->ch_drive[0].drive_flags |= DRIVE_ATAPI;
else
chp->ch_drive[0].drive_flags |= DRIVE_ATA;
splx(s);
#if 0
printf("%s: port %d: device present",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
switch ((sstatus & SStatus_SPD_mask) >> SStatus_SPD_shift) {
case 1:
printf(", speed: 1.5Gb/s");
break;
case 2:
printf(", speed: 3.0Gb/s");
break;
}
printf("\n");
#endif
break;
default:
printf("%s: port %d: unknown SStatus: 0x%08x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus);
}
}
#ifdef notyet
/*
* Inline functions for accessing the timing registers of the
* OPTi controller.
*
* These *MUST* disable interrupts as they need atomic access to
* certain magic registers. Failure to adhere to this *will*
* break things in subtle ways if the wdc registers are accessed
* by an interrupt routine while this magic sequence is executing.
*/
static __inline__ u_int8_t
opti_read_config(struct channel_softc *chp, int reg)
{
u_int8_t rv;
int s = splhigh();
/* Two consecutive 16-bit reads from register #1 (0x1f1/0x171) */
(void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features);
(void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features);
/* Followed by an 8-bit write of 0x3 to register #2 */
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x03u);
/* Now we can read the required register */
rv = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, reg);
/* Restore the real registers */
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x83u);
splx(s);
return (rv);
}
static __inline__ void
opti_write_config(struct channel_softc *chp, int reg, u_int8_t val)
{
int s = splhigh();
/* Two consecutive 16-bit reads from register #1 (0x1f1/0x171) */
(void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features);
(void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features);
/* Followed by an 8-bit write of 0x3 to register #2 */
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x03u);
/* Now we can write the required register */
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, reg, val);
/* Restore the real registers */
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x83u);
splx(s);
}
void
opti_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
bus_size_t cmdsize, ctlsize;
pcireg_t interface;
u_int8_t init_ctrl;
int channel;
printf(": DMA");
/*
* XXXSCW:
* There seem to be a couple of buggy revisions/implementations
* of the OPTi pciide chipset. This kludge seems to fix one of
* the reported problems (NetBSD PR/11644) but still fails for the
* other (NetBSD PR/13151), although the latter may be due to other
* issues too...
*/
if (sc->sc_rev <= 0x12) {
printf(" (disabled)");
sc->sc_dma_ok = 0;
sc->sc_wdcdev.cap = 0;
} else {
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32;
pciide_mapreg_dma(sc, pa);
}
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_MODE;
sc->sc_wdcdev.PIO_cap = 4;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
sc->sc_wdcdev.DMA_cap = 2;
}
sc->sc_wdcdev.set_modes = opti_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag,
OPTI_REG_INIT_CONTROL);
interface = PCI_INTERFACE(pa->pa_class);
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if (channel == 1 &&
(init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
opti_setup_channel(&cp->wdc_channel);
}
}
void
opti_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int drive, spd;
int mode[2];
u_int8_t rv, mr;
/*
* The `Delay' and `Address Setup Time' fields of the
* Miscellaneous Register are always zero initially.
*/
mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK;
mr &= ~(OPTI_MISC_DELAY_MASK |
OPTI_MISC_ADDR_SETUP_MASK |
OPTI_MISC_INDEX_MASK);
/* Prime the control register before setting timing values */
opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE);
/* Determine the clockrate of the PCIbus the chip is attached to */
spd = (int) opti_read_config(chp, OPTI_REG_STRAP);
spd &= OPTI_STRAP_PCI_SPEED_MASK;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0) {
mode[drive] = -1;
continue;
}
if ((drvp->drive_flags & DRIVE_DMA)) {
/*
* Timings will be used for both PIO and DMA,
* so adjust DMA mode if needed
*/
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
drvp->PIO_mode = drvp->DMA_mode + 2;
if (drvp->DMA_mode + 2 > (drvp->PIO_mode))
drvp->DMA_mode = (drvp->PIO_mode > 2) ?
drvp->PIO_mode - 2 : 0;
if (drvp->DMA_mode == 0)
drvp->PIO_mode = 0;
mode[drive] = drvp->DMA_mode + 5;
} else
mode[drive] = drvp->PIO_mode;
if (drive && mode[0] >= 0 &&
(opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) {
/*
* Can't have two drives using different values
* for `Address Setup Time'.
* Slow down the faster drive to compensate.
*/
int d = (opti_tim_as[spd][mode[0]] >
opti_tim_as[spd][mode[1]]) ? 0 : 1;
mode[d] = mode[1-d];
chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode;
chp->ch_drive[d].DMA_mode = 0;
chp->ch_drive[d].drive_flags &= DRIVE_DMA;
}
}
for (drive = 0; drive < 2; drive++) {
int m;
if ((m = mode[drive]) < 0)
continue;
/* Set the Address Setup Time and select appropriate index */
rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT;
rv |= OPTI_MISC_INDEX(drive);
opti_write_config(chp, OPTI_REG_MISC, mr | rv);
/* Set the pulse width and recovery timing parameters */
rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT;
rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT;
opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv);
opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv);
/* Set the Enhanced Mode register appropriately */
rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE);
rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive);
rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]);
pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv);
}
/* Finally, enable the timings */
opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE);
pciide_print_modes(cp);
}
#endif
void
serverworks_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
pcitag_t pcib_tag;
int channel;
bus_size_t cmdsize, ctlsize;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
printf("\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_RCC_OSB4_IDE:
sc->sc_wdcdev.UDMA_cap = 2;
break;
case PCI_PRODUCT_RCC_CSB5_IDE:
if (sc->sc_rev < 0x92)
sc->sc_wdcdev.UDMA_cap = 4;
else
sc->sc_wdcdev.UDMA_cap = 5;
break;
case PCI_PRODUCT_RCC_CSB6_IDE:
sc->sc_wdcdev.UDMA_cap = 4;
break;
case PCI_PRODUCT_RCC_CSB6_RAID_IDE:
sc->sc_wdcdev.UDMA_cap = 5;
break;
}
sc->sc_wdcdev.set_modes = serverworks_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels =
(sc->sc_pp->ide_product == PCI_PRODUCT_RCC_CSB6_IDE ? 1 : 2);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
serverworks_pci_intr);
if (cp->hw_ok == 0)
return;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
return;
serverworks_setup_channel(&cp->wdc_channel);
}
pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0);
pci_conf_write(pa->pa_pc, pcib_tag, 0x64,
(pci_conf_read(pa->pa_pc, pcib_tag, 0x64) & ~0x2000) | 0x4000);
}
void
serverworks_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
int drive, unit;
u_int32_t pio_time, dma_time, pio_mode, udma_mode;
u_int32_t idedma_ctl;
static const u_int8_t pio_modes[5] = {0x5d, 0x47, 0x34, 0x22, 0x20};
static const u_int8_t dma_modes[3] = {0x77, 0x21, 0x20};
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
pio_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x40);
dma_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x44);
pio_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x48);
udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54);
pio_time &= ~(0xffff << (16 * channel));
dma_time &= ~(0xffff << (16 * channel));
pio_mode &= ~(0xff << (8 * channel + 16));
udma_mode &= ~(0xff << (8 * channel + 16));
udma_mode &= ~(3 << (2 * channel));
idedma_ctl = 0;
/* Per drive settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
unit = drive + 2 * channel;
/* add timing values, setup DMA if needed */
pio_time |= pio_modes[drvp->PIO_mode] << (8 * (unit^1));
pio_mode |= drvp->PIO_mode << (4 * unit + 16);
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
(drvp->drive_flags & DRIVE_UDMA)) {
/* use Ultra/DMA, check for 80-pin cable */
if (sc->sc_rev <= 0x92 && drvp->UDMA_mode > 2 &&
(PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag,
PCI_SUBSYS_ID_REG)) &
(1 << (14 + channel))) == 0) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire "
"cable not detected\n", drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1));
udma_mode |= drvp->UDMA_mode << (4 * unit + 16);
udma_mode |= 1 << unit;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) &&
(drvp->drive_flags & DRIVE_DMA)) {
/* use Multiword DMA */
drvp->drive_flags &= ~DRIVE_UDMA;
dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1));
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
/* PIO only */
drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA);
}
}
pci_conf_write(sc->sc_pc, sc->sc_tag, 0x40, pio_time);
pci_conf_write(sc->sc_pc, sc->sc_tag, 0x44, dma_time);
if (sc->sc_pp->ide_product != PCI_PRODUCT_RCC_OSB4_IDE)
pci_conf_write(sc->sc_pc, sc->sc_tag, 0x48, pio_mode);
pci_conf_write(sc->sc_pc, sc->sc_tag, 0x54, udma_mode);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
int
serverworks_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int rv = 0;
int dmastat, i, crv;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(i));
if ((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) !=
IDEDMA_CTL_INTR)
continue;
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
crv = wdcintr(wdc_cp);
if (crv == 0) {
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(i), dmastat);
} else
rv = 1;
}
return (rv);
}
void
svwsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
pci_intr_handle_t intrhandle;
const char *intrstr;
int channel;
struct pciide_svwsata *ss;
/* Allocate memory for private data */
sc->sc_cookie = malloc(sizeof(struct pciide_svwsata), M_DEVBUF,
M_NOWAIT);
ss = sc->sc_cookie;
bzero(ss, sizeof(*ss));
/* The 4-port version has a dummy second function. */
if (pci_conf_read(sc->sc_pc, sc->sc_tag,
PCI_MAPREG_START + 0x14) == 0) {
printf("\n");
return;
}
if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&ss->ba5_st, &ss->ba5_sh, NULL, NULL, 0) != 0) {
printf(": unable to map BA5 register space\n");
return;
}
printf(": DMA");
svwsata_mapreg_dma(sc, pa);
printf("\n");
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA |
WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = 4;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA;
sc->sc_wdcdev.set_modes = sata_setup_channel;
/* We can use SControl and SStatus to probe for drives. */
sc->sc_wdcdev.drv_probe = svwsata_drv_probe;
/* Map and establish the interrupt handler. */
if(pci_intr_map(pa, &intrhandle) != 0) {
printf("%s: couldn't map native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO,
pciide_pci_intr, sc, sc->sc_wdcdev.sc_dev.dv_xname);
if (sc->sc_pci_ih != NULL) {
printf("%s: using %s for native-PCI interrupt\n",
sc->sc_wdcdev.sc_dev.dv_xname,
intrstr ? intrstr : "unknown interrupt");
} else {
printf("%s: couldn't establish native-PCI interrupt",
sc->sc_wdcdev.sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, 0) == 0)
continue;
svwsata_mapchan(cp);
sata_setup_channel(&cp->wdc_channel);
}
}
void
svwsata_mapreg_dma(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_svwsata *ss = sc->sc_cookie;
sc->sc_wdcdev.dma_arg = sc;
sc->sc_wdcdev.dma_init = pciide_dma_init;
sc->sc_wdcdev.dma_start = pciide_dma_start;
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
/* XXX */
sc->sc_dma_iot = ss->ba5_st;
sc->sc_dma_ioh = ss->ba5_sh;
sc->sc_dmacmd_read = svwsata_dmacmd_read;
sc->sc_dmacmd_write = svwsata_dmacmd_write;
sc->sc_dmactl_read = svwsata_dmactl_read;
sc->sc_dmactl_write = svwsata_dmactl_write;
sc->sc_dmatbl_write = svwsata_dmatbl_write;
/* DMA registers all set up! */
sc->sc_dmat = pa->pa_dmat;
sc->sc_dma_ok = 1;
}
u_int8_t
svwsata_dmacmd_read(struct pciide_softc *sc, int chan)
{
return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
(chan << 8) + SVWSATA_DMA + IDEDMA_CMD(0)));
}
void
svwsata_dmacmd_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
(chan << 8) + SVWSATA_DMA + IDEDMA_CMD(0), val);
}
u_int8_t
svwsata_dmactl_read(struct pciide_softc *sc, int chan)
{
return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
(chan << 8) + SVWSATA_DMA + IDEDMA_CTL(0)));
}
void
svwsata_dmactl_write(struct pciide_softc *sc, int chan, u_int8_t val)
{
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
(chan << 8) + SVWSATA_DMA + IDEDMA_CTL(0), val);
}
void
svwsata_dmatbl_write(struct pciide_softc *sc, int chan, u_int32_t val)
{
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
(chan << 8) + SVWSATA_DMA + IDEDMA_TBL(0), val);
}
void
svwsata_mapchan(struct pciide_channel *cp)
{
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct channel_softc *wdc_cp = &cp->wdc_channel;
struct pciide_svwsata *ss = sc->sc_cookie;
cp->compat = 0;
cp->ih = sc->sc_pci_ih;
if (bus_space_subregion(ss->ba5_st, ss->ba5_sh,
(wdc_cp->channel << 8) + SVWSATA_TF0,
SVWSATA_TF8 - SVWSATA_TF0, &wdc_cp->cmd_ioh) != 0) {
printf("%s: couldn't map %s cmd regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
if (bus_space_subregion(ss->ba5_st, ss->ba5_sh,
(wdc_cp->channel << 8) + SVWSATA_TF8, 4,
&wdc_cp->ctl_ioh) != 0) {
printf("%s: couldn't map %s ctl regs\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
return;
}
wdc_cp->cmd_iot = wdc_cp->ctl_iot = ss->ba5_st;
wdc_cp->_vtbl = &wdc_svwsata_vtbl;
wdcattach(wdc_cp);
}
void
svwsata_drv_probe(struct channel_softc *chp)
{
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
struct pciide_svwsata *ss = sc->sc_cookie;
int channel = chp->channel;
uint32_t scontrol, sstatus;
uint8_t scnt, sn, cl, ch;
int i, s;
/* XXX This should be done by other code. */
for (i = 0; i < 2; i++) {
chp->ch_drive[i].chnl_softc = chp;
chp->ch_drive[i].drive = i;
}
/*
* Request communication initialization sequence, any speed.
* Performing this is the equivalent of an ATA Reset.
*/
scontrol = SControl_DET_INIT | SControl_SPD_ANY;
/*
* XXX We don't yet support SATA power management; disable all
* power management state transitions.
*/
scontrol |= SControl_IPM_NONE;
bus_space_write_4(ss->ba5_st, ss->ba5_sh,
(channel << 8) + SVWSATA_SCONTROL, scontrol);
delay(50 * 1000);
scontrol &= ~SControl_DET_INIT;
bus_space_write_4(ss->ba5_st, ss->ba5_sh,
(channel << 8) + SVWSATA_SCONTROL, scontrol);
delay(50 * 1000);
sstatus = bus_space_read_4(ss->ba5_st, ss->ba5_sh,
(channel << 8) + SVWSATA_SSTATUS);
#if 0
printf("%s: port %d: SStatus=0x%08x, SControl=0x%08x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus,
bus_space_read_4(ss->ba5_st, ss->ba5_sh,
(channel << 8) + SVWSATA_SSTATUS));
#endif
switch (sstatus & SStatus_DET_mask) {
case SStatus_DET_NODEV:
/* No device; be silent. */
break;
case SStatus_DET_DEV_NE:
printf("%s: port %d: device connected, but "
"communication not established\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_OFFLINE:
printf("%s: port %d: PHY offline\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
break;
case SStatus_DET_DEV:
/*
* XXX ATAPI detection doesn't currently work. Don't
* XXX know why. But, it's not like the standard method
* XXX can detect an ATAPI device connected via a SATA/PATA
* XXX bridge, so at least this is no worse. --thorpej
*/
if (chp->_vtbl != NULL)
CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (0 << 4));
else
bus_space_write_1(chp->cmd_iot, chp->cmd_ioh,
wdr_sdh & _WDC_REGMASK, WDSD_IBM | (0 << 4));
delay(10); /* 400ns delay */
/* Save register contents. */
if (chp->_vtbl != NULL) {
scnt = CHP_READ_REG(chp, wdr_seccnt);
sn = CHP_READ_REG(chp, wdr_sector);
cl = CHP_READ_REG(chp, wdr_cyl_lo);
ch = CHP_READ_REG(chp, wdr_cyl_hi);
} else {
scnt = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_seccnt & _WDC_REGMASK);
sn = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_sector & _WDC_REGMASK);
cl = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_cyl_lo & _WDC_REGMASK);
ch = bus_space_read_1(chp->cmd_iot,
chp->cmd_ioh, wdr_cyl_hi & _WDC_REGMASK);
}
#if 0
printf("%s: port %d: scnt=0x%x sn=0x%x cl=0x%x ch=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel,
scnt, sn, cl, ch);
#endif
/*
* scnt and sn are supposed to be 0x1 for ATAPI, but in some
* cases we get wrong values here, so ignore it.
*/
s = splbio();
if (cl == 0x14 && ch == 0xeb)
chp->ch_drive[0].drive_flags |= DRIVE_ATAPI;
else
chp->ch_drive[0].drive_flags |= DRIVE_ATA;
splx(s);
printf("%s: port %d: device present",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel);
switch ((sstatus & SStatus_SPD_mask) >> SStatus_SPD_shift) {
case 1:
printf(", speed: 1.5Gb/s");
break;
case 2:
printf(", speed: 3.0Gb/s");
break;
}
printf("\n");
break;
default:
printf("%s: port %d: unknown SStatus: 0x%08x\n",
sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus);
}
}
u_int8_t
svwsata_read_reg(struct channel_softc *chp, enum wdc_regs reg)
{
if (reg & _WDC_AUX) {
return (bus_space_read_4(chp->ctl_iot, chp->ctl_ioh,
(reg & _WDC_REGMASK) << 2));
} else {
return (bus_space_read_4(chp->cmd_iot, chp->cmd_ioh,
(reg & _WDC_REGMASK) << 2));
}
}
void
svwsata_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int8_t val)
{
if (reg & _WDC_AUX) {
bus_space_write_4(chp->ctl_iot, chp->ctl_ioh,
(reg & _WDC_REGMASK) << 2, val);
} else {
bus_space_write_4(chp->cmd_iot, chp->cmd_ioh,
(reg & _WDC_REGMASK) << 2, val);
}
}
void
svwsata_lba48_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int16_t val)
{
if (reg & _WDC_AUX) {
bus_space_write_4(chp->ctl_iot, chp->ctl_ioh,
(reg & _WDC_REGMASK) << 2, val);
} else {
bus_space_write_4(chp->cmd_iot, chp->cmd_ioh,
(reg & _WDC_REGMASK) << 2, val);
}
}
#define ACARD_IS_850(sc) \
((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U)
void
acard_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int i;
pcireg_t interface;
bus_size_t cmdsize, ctlsize;
/*
* when the chip is in native mode it identifies itself as a
* 'misc mass storage'. Fake interface in this case.
*/
if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
interface = PCI_INTERFACE(pa->pa_class);
} else {
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
}
printf(": DMA");
pciide_mapreg_dma(sc, pa);
printf("\n");
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_ACARD_ATP850U:
sc->sc_wdcdev.UDMA_cap = 2;
break;
case PCI_PRODUCT_ACARD_ATP860:
case PCI_PRODUCT_ACARD_ATP860A:
sc->sc_wdcdev.UDMA_cap = 4;
break;
case PCI_PRODUCT_ACARD_ATP865A:
case PCI_PRODUCT_ACARD_ATP865R:
sc->sc_wdcdev.UDMA_cap = 6;
break;
}
sc->sc_wdcdev.set_modes = acard_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = 2;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
if (pciide_chansetup(sc, i, interface) == 0)
continue;
if (interface & PCIIDE_INTERFACE_PCI(i)) {
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize,
&ctlsize, pciide_pci_intr);
} else {
cp->hw_ok = pciide_mapregs_compat(pa, cp, i,
&cmdsize, &ctlsize);
}
if (cp->hw_ok == 0)
return;
cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot;
cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh;
wdcattach(&cp->wdc_channel);
acard_setup_channel(&cp->wdc_channel);
}
if (!ACARD_IS_850(sc)) {
u_int32_t reg;
reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL);
reg &= ~ATP860_CTRL_INT;
pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg);
}
}
void
acard_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
int drive;
u_int32_t idetime, udma_mode;
u_int32_t idedma_ctl;
/* setup DMA if needed */
pciide_channel_dma_setup(cp);
if (ACARD_IS_850(sc)) {
idetime = 0;
udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA);
udma_mode &= ~ATP850_UDMA_MASK(channel);
} else {
idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME);
idetime &= ~ATP860_SETTIME_MASK(channel);
udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA);
udma_mode &= ~ATP860_UDMA_MASK(channel);
}
idedma_ctl = 0;
/* Per drive settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
/* add timing values, setup DMA if needed */
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
(drvp->drive_flags & DRIVE_UDMA)) {
/* use Ultra/DMA */
if (ACARD_IS_850(sc)) {
idetime |= ATP850_SETTIME(drive,
acard_act_udma[drvp->UDMA_mode],
acard_rec_udma[drvp->UDMA_mode]);
udma_mode |= ATP850_UDMA_MODE(channel, drive,
acard_udma_conf[drvp->UDMA_mode]);
} else {
idetime |= ATP860_SETTIME(channel, drive,
acard_act_udma[drvp->UDMA_mode],
acard_rec_udma[drvp->UDMA_mode]);
udma_mode |= ATP860_UDMA_MODE(channel, drive,
acard_udma_conf[drvp->UDMA_mode]);
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) &&
(drvp->drive_flags & DRIVE_DMA)) {
/* use Multiword DMA */
drvp->drive_flags &= ~DRIVE_UDMA;
if (ACARD_IS_850(sc)) {
idetime |= ATP850_SETTIME(drive,
acard_act_dma[drvp->DMA_mode],
acard_rec_dma[drvp->DMA_mode]);
} else {
idetime |= ATP860_SETTIME(channel, drive,
acard_act_dma[drvp->DMA_mode],
acard_rec_dma[drvp->DMA_mode]);
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
} else {
/* PIO only */
drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA);
if (ACARD_IS_850(sc)) {
idetime |= ATP850_SETTIME(drive,
acard_act_pio[drvp->PIO_mode],
acard_rec_pio[drvp->PIO_mode]);
} else {
idetime |= ATP860_SETTIME(channel, drive,
acard_act_pio[drvp->PIO_mode],
acard_rec_pio[drvp->PIO_mode]);
}
pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL,
pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL)
| ATP8x0_CTRL_EN(channel));
}
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
if (ACARD_IS_850(sc)) {
pci_conf_write(sc->sc_pc, sc->sc_tag,
ATP850_IDETIME(channel), idetime);
pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode);
} else {
pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime);
pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode);
}
}
void
nforce_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
bus_size_t cmdsize, ctlsize;
u_int32_t conf;
conf = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_CONF);
WDCDEBUG_PRINT(("%s: conf register 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE);
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
switch (sc->sc_pp->ide_product) {
case PCI_PRODUCT_NVIDIA_NFORCE_IDE:
sc->sc_wdcdev.UDMA_cap = 5;
break;
default:
sc->sc_wdcdev.UDMA_cap = 6;
}
sc->sc_wdcdev.set_modes = nforce_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
if ((conf & NFORCE_CHAN_EN(channel)) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
nforce_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
if (pciide_chan_candisable(cp)) {
conf &= ~NFORCE_CHAN_EN(channel);
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
WDCDEBUG_PRINT(("%s: new conf register 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_CONF, conf);
}
void
nforce_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, mode;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
u_int32_t conf, piodmatim, piotim, udmatim;
conf = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_CONF);
piodmatim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_PIODMATIM);
piotim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_PIOTIM);
udmatim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_UDMATIM);
WDCDEBUG_PRINT(("%s: %s old timing values: piodmatim=0x%x, "
"piotim=0x%x, udmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname,
cp->name, piodmatim, piotim, udmatim), DEBUG_PROBE);
/* Setup DMA if needed */
pciide_channel_dma_setup(cp);
/* Clear all bits for this channel */
idedma_ctl = 0;
piodmatim &= ~NFORCE_PIODMATIM_MASK(channel);
udmatim &= ~NFORCE_UDMATIM_MASK(channel);
/* Per channel settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 &&
(drvp->drive_flags & DRIVE_UDMA) != 0) {
/* Setup UltraDMA mode */
drvp->drive_flags &= ~DRIVE_DMA;
udmatim |= NFORCE_UDMATIM_SET(channel, drive,
nforce_udma[drvp->UDMA_mode]) |
NFORCE_UDMA_EN(channel, drive) |
NFORCE_UDMA_ENM(channel, drive);
mode = drvp->PIO_mode;
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 &&
(drvp->drive_flags & DRIVE_DMA) != 0) {
/* Setup multiword DMA mode */
drvp->drive_flags &= ~DRIVE_UDMA;
/* mode = min(pio, dma + 2) */
if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
} else {
mode = drvp->PIO_mode;
goto pio;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio:
/* Setup PIO mode */
if (mode <= 2) {
drvp->DMA_mode = 0;
drvp->PIO_mode = 0;
mode = 0;
} else {
drvp->PIO_mode = mode;
drvp->DMA_mode = mode - 2;
}
piodmatim |= NFORCE_PIODMATIM_SET(channel, drive,
nforce_pio[mode]);
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
WDCDEBUG_PRINT(("%s: %s new timing values: piodmatim=0x%x, "
"piotim=0x%x, udmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname,
cp->name, piodmatim, piotim, udmatim), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_PIODMATIM, piodmatim);
pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_UDMATIM, udmatim);
pciide_print_modes(cp);
}
int
nforce_pci_intr(void *arg)
{
struct pciide_softc *sc = arg;
struct pciide_channel *cp;
struct channel_softc *wdc_cp;
int i, rv, crv;
u_int32_t dmastat;
rv = 0;
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
cp = &sc->pciide_channels[i];
wdc_cp = &cp->wdc_channel;
/* Skip compat channel */
if (cp->compat)
continue;
dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(i));
if ((dmastat & IDEDMA_CTL_INTR) == 0)
continue;
crv = wdcintr(wdc_cp);
if (crv == 0)
printf("%s:%d: bogus intr\n",
sc->sc_wdcdev.sc_dev.dv_xname, i);
else
rv = 1;
}
return (rv);
}
void
artisea_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
bus_size_t cmdsize, ctlsize;
pcireg_t interface;
int channel;
printf(": DMA");
#ifdef PCIIDE_I31244_DISABLEDMA
if (sc->sc_rev == 0) {
printf(" disabled due to rev. 0");
sc->sc_dma_ok = 0;
} else
#endif
pciide_mapreg_dma(sc, pa);
printf("\n");
/*
* XXX Configure LEDs to show activity.
*/
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA;
sc->sc_wdcdev.PIO_cap = 4;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
}
sc->sc_wdcdev.set_modes = sata_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
interface = PCI_INTERFACE(pa->pa_class);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0)
continue;
pciide_map_compat_intr(pa, cp, channel, interface);
sata_setup_channel(&cp->wdc_channel);
}
}
void
ite_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface;
bus_size_t cmdsize, ctlsize;
pcireg_t cfg, modectl;
/*
* Fake interface since IT8212F is claimed to be a ``RAID'' device.
*/
interface = PCIIDE_INTERFACE_BUS_MASTER_DMA |
PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1);
cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG);
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
WDCDEBUG_PRINT(("%s: cfg=0x%x, modectl=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, cfg & IT_CFG_MASK,
modectl & IT_MODE_MASK), DEBUG_PROBE);
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.set_modes = ite_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
/* Disable RAID */
modectl &= ~IT_MODE_RAID1;
/* Disable CPU firmware mode */
modectl &= ~IT_MODE_CPU;
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
/* Re-read configuration registers after channels setup */
cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG);
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
WDCDEBUG_PRINT(("%s: cfg=0x%x, modectl=0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, cfg & IT_CFG_MASK,
modectl & IT_MODE_MASK), DEBUG_PROBE);
}
void
ite_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, mode;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
pcireg_t cfg, modectl;
pcireg_t tim;
cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG);
modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE);
tim = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_TIM(channel));
WDCDEBUG_PRINT(("%s:%d: tim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname,
channel, tim), DEBUG_PROBE);
/* Setup DMA if needed */
pciide_channel_dma_setup(cp);
/* Clear all bits for this channel */
idedma_ctl = 0;
/* Per channel settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 &&
(drvp->drive_flags & DRIVE_UDMA) != 0) {
/* Setup UltraDMA mode */
drvp->drive_flags &= ~DRIVE_DMA;
modectl &= ~IT_MODE_DMA(channel, drive);
#if 0
/* Check cable, works only in CPU firmware mode */
if (drvp->UDMA_mode > 2 &&
(cfg & IT_CFG_CABLE(channel, drive)) == 0) {
WDCDEBUG_PRINT(("%s(%s:%d:%d): "
"80-wire cable not detected\n",
drvp->drive_name,
sc->sc_wdcdev.sc_dev.dv_xname,
channel, drive), DEBUG_PROBE);
drvp->UDMA_mode = 2;
}
#endif
if (drvp->UDMA_mode >= 5)
tim |= IT_TIM_UDMA5(drive);
else
tim &= ~IT_TIM_UDMA5(drive);
mode = drvp->PIO_mode;
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 &&
(drvp->drive_flags & DRIVE_DMA) != 0) {
/* Setup multiword DMA mode */
drvp->drive_flags &= ~DRIVE_UDMA;
modectl |= IT_MODE_DMA(channel, drive);
/* mode = min(pio, dma + 2) */
if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
} else {
goto pio;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio:
/* Setup PIO mode */
if (mode <= 2) {
drvp->DMA_mode = 0;
drvp->PIO_mode = 0;
mode = 0;
} else {
drvp->PIO_mode = mode;
drvp->DMA_mode = mode - 2;
}
/* Enable IORDY if PIO mode >= 3 */
if (drvp->PIO_mode >= 3)
cfg |= IT_CFG_IORDY(channel);
}
WDCDEBUG_PRINT(("%s: tim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname,
tim), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_CFG, cfg);
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl);
pci_conf_write(sc->sc_pc, sc->sc_tag, IT_TIM(channel), tim);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
ixp_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
bus_size_t cmdsize, ctlsize;
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.set_modes = ixp_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
}
void
ixp_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, mode;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel*)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
pcireg_t udma, mdma_timing, pio, pio_timing;
pio_timing = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_PIO_TIMING);
pio = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL);
mdma_timing = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_MDMA_TIMING);
udma = pci_conf_read(sc->sc_pc, sc->sc_tag, IXP_UDMA_CTL);
/* Setup DMA if needed */
pciide_channel_dma_setup(cp);
idedma_ctl = 0;
/* Per channel settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 &&
(drvp->drive_flags & DRIVE_UDMA) != 0) {
/* Setup UltraDMA mode */
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
IXP_UDMA_ENABLE(udma, chp->channel, drive);
IXP_SET_MODE(udma, chp->channel, drive,
drvp->UDMA_mode);
mode = drvp->PIO_mode;
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 &&
(drvp->drive_flags & DRIVE_DMA) != 0) {
/* Setup multiword DMA mode */
drvp->drive_flags &= ~DRIVE_UDMA;
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
IXP_UDMA_DISABLE(udma, chp->channel, drive);
IXP_SET_TIMING(mdma_timing, chp->channel, drive,
ixp_mdma_timings[drvp->DMA_mode]);
/* mode = min(pio, dma + 2) */
if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
} else {
mode = drvp->PIO_mode;
}
/* Setup PIO mode */
drvp->PIO_mode = mode;
if (mode < 2)
drvp->DMA_mode = 0;
else
drvp->DMA_mode = mode - 2;
/*
* Set PIO mode and timings
* Linux driver avoids PIO mode 1, let's do it too.
*/
if (drvp->PIO_mode == 1)
drvp->PIO_mode = 0;
IXP_SET_MODE(pio, chp->channel, drive, drvp->PIO_mode);
IXP_SET_TIMING(pio_timing, chp->channel, drive,
ixp_pio_timings[drvp->PIO_mode]);
}
pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_UDMA_CTL, udma);
pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_MDMA_TIMING, mdma_timing);
pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_PIO_CTL, pio);
pci_conf_write(sc->sc_pc, sc->sc_tag, IXP_PIO_TIMING, pio_timing);
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
void
jmicron_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa)
{
struct pciide_channel *cp;
int channel;
pcireg_t interface = PCI_INTERFACE(pa->pa_class);
bus_size_t cmdsize, ctlsize;
u_int32_t conf;
conf = pci_conf_read(sc->sc_pc, sc->sc_tag, JMICRON_CONF);
WDCDEBUG_PRINT(("%s: conf register 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE);
printf(": DMA");
pciide_mapreg_dma(sc, pa);
sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK;
sc->sc_wdcdev.irqack = pciide_irqack;
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 6;
sc->sc_wdcdev.set_modes = jmicron_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
pciide_print_channels(sc->sc_wdcdev.nchannels, interface);
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
cp = &sc->pciide_channels[channel];
if (pciide_chansetup(sc, channel, interface) == 0)
continue;
#if 0
if ((conf & JMICRON_CHAN_EN(channel)) == 0) {
printf("%s: %s ignored (disabled)\n",
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
continue;
}
#endif
pciide_map_compat_intr(pa, cp, channel, interface);
if (cp->hw_ok == 0)
continue;
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize,
pciide_pci_intr);
if (cp->hw_ok == 0) {
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
if (pciide_chan_candisable(cp)) {
conf &= ~JMICRON_CHAN_EN(channel);
pciide_unmap_compat_intr(pa, cp, channel, interface);
continue;
}
sc->sc_wdcdev.set_modes(&cp->wdc_channel);
}
WDCDEBUG_PRINT(("%s: new conf register 0x%x\n",
sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE);
pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_CONF, conf);
}
void
jmicron_setup_channel(struct channel_softc *chp)
{
struct ata_drive_datas *drvp;
int drive, mode;
u_int32_t idedma_ctl;
struct pciide_channel *cp = (struct pciide_channel *)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
int channel = chp->channel;
u_int32_t conf;
conf = pci_conf_read(sc->sc_pc, sc->sc_tag, JMICRON_CONF);
/* Setup DMA if needed */
pciide_channel_dma_setup(cp);
/* Clear all bits for this channel */
idedma_ctl = 0;
/* Per channel settings */
for (drive = 0; drive < 2; drive++) {
drvp = &chp->ch_drive[drive];
/* If no drive, skip */
if ((drvp->drive_flags & DRIVE) == 0)
continue;
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 &&
(drvp->drive_flags & DRIVE_UDMA) != 0) {
/* Setup UltraDMA mode */
drvp->drive_flags &= ~DRIVE_DMA;
/* see if cable is up to scratch */
if ((conf & JMICRON_CONF_40PIN) &&
(drvp->UDMA_mode > 2))
drvp->UDMA_mode = 2;
mode = drvp->PIO_mode;
} else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 &&
(drvp->drive_flags & DRIVE_DMA) != 0) {
/* Setup multiword DMA mode */
drvp->drive_flags &= ~DRIVE_UDMA;
/* mode = min(pio, dma + 2) */
if (drvp->PIO_mode <= (drvp->DMA_mode + 2))
mode = drvp->PIO_mode;
else
mode = drvp->DMA_mode + 2;
} else {
mode = drvp->PIO_mode;
goto pio;
}
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
pio:
/* Setup PIO mode */
if (mode <= 2) {
drvp->DMA_mode = 0;
drvp->PIO_mode = 0;
mode = 0;
} else {
drvp->PIO_mode = mode;
drvp->DMA_mode = mode - 2;
}
}
if (idedma_ctl != 0) {
/* Add software bits in status register */
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
IDEDMA_CTL(channel), idedma_ctl);
}
pciide_print_modes(cp);
}
![[BACK]](/icons/back.gif){kind=icon}
Return to pciide.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / pci