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Annotation of sys/dev/pci/pciide_acer_reg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: pciide_acer_reg.h,v 1.7 2004/09/24 07:38:38 grange Exp $      */
        !             2: /*     $NetBSD: pciide_acer_reg.h,v 1.4 2001/07/26 20:02:22 bouyer Exp $       */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1999 Manuel Bouyer.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *     This product includes software developed by Manuel Bouyer.
        !            18:  * 4. Neither the name of the University nor the names of its contributors
        !            19:  *    may be used to endorse or promote products derived from this software
        !            20:  *    without specific prior written permission.
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  *
        !            33:  */
        !            34:
        !            35: #ifndef _DEV_PCI_PCIIDE_ACER_REG_H_
        !            36: #define _DEV_PCI_PCIIDE_ACER_REG_H_
        !            37:
        !            38: /*  class code attribute register 1 (1 byte) */
        !            39: #define ACER_CCAR1     0x43
        !            40: #define ACER_CHANSTATUS_RO            0x40
        !            41: #define PCIIDE_CHAN_RO(chan)            (0x20 >> (chan))
        !            42:
        !            43: /* from Linux, 80 pins cable detect */
        !            44: #define ACER_0x4A      0x4a
        !            45: /*
        !            46:  * bit 0 is 0 -> primary has 80 pin cable
        !            47:  * bit 1 is 0 -> secondary has 80 pin cable
        !            48:  */
        !            49: #define ACER_0x4A_80PIN(chan)  (0x1 << (chan))
        !            50:
        !            51: /* From FreeBSD, for UDMA mode > 2 */
        !            52: #define ACER_0x4B      0x4b
        !            53: #define ACER_0x4B_UDMA66       0x01
        !            54: /* From Linux */
        !            55: #define ACER_0x4B_CDETECT      0x08
        !            56:
        !            57: /* class code attribute register 2 (1 byte) */
        !            58: #define ACER_CCAR2     0x4d
        !            59: #define ACER_CHANSTATUSREGS_RO 0x80
        !            60:
        !            61: /* class code attribute register 3 (1 byte) */
        !            62: #define ACER_CCAR3     0x50
        !            63: #define ACER_CCAR3_PI  0x02
        !            64:
        !            65: /* flexible channel setting register */
        !            66: #define ACER_FCS       0x52
        !            67: #define ACER_FCS_TIMREG(chan,drv)      ((0x8) >> ((drv) + (chan) * 2))
        !            68:
        !            69: /* CD-ROM control register */
        !            70: #define ACER_CDRC      0x53
        !            71: #define ACER_CDRC_FIFO_DISABLE 0x02
        !            72: #define ACER_CDRC_DMA_EN       0x01
        !            73:
        !            74: /* Fifo threshold and Ultra-DMA settings (4 bytes). */
        !            75: #define ACER_FTH_UDMA  0x54
        !            76: #define ACER_FTH_VAL(chan, drv, val) \
        !            77:        (((val) & 0x3) << ((drv) * 4 + (chan) * 8))
        !            78: #define ACER_FTH_OPL(chan, drv, val) \
        !            79:        (((val) & 0x3) << (2 + (drv) * 4 + (chan) * 8))
        !            80: #define ACER_UDMA_EN(chan, drv) \
        !            81:        (0x8 << (16 + (drv) * 4 + (chan) * 8))
        !            82: #define ACER_UDMA_TIM(chan, drv, val) \
        !            83:        (((val) & 0x7) << (16 + (drv) * 4 + (chan) * 8))
        !            84:
        !            85: /* drives timings setup (1 byte) */
        !            86: #define ACER_IDETIM(chan, drv) (0x5a + (drv) + (chan) * 4)
        !            87:
        !            88: /* IRQ and drive select status */
        !            89: #define ACER_CHIDS     0x75
        !            90: #define ACER_CHIDS_DRV(channel)        ((0x4) << (channel))
        !            91: #define ACER_CHIDS_INT(channel)        ((0x1) << (channel))
        !            92:
        !            93: /* Linux: south-bridge's enable bit (m1533) */
        !            94: #define ACER_0x79      0x79
        !            95: #define ACER_0x79_REVC2_EN     0x4
        !            96: #define ACER_0x79_EN           0x2
        !            97:
        !            98: /*
        !            99:  * IDE bus frequency (1 byte)
        !           100:  * This should be setup by the BIOS - can we rely on this ?
        !           101:  */
        !           102: #define ACER_IDE_CLK   0x78
        !           103:
        !           104: /* acer UDMA3/4/5 from FreeBSD */
        !           105: static int8_t acer_udma[] = {0x4, 0x3, 0x2, 0x1, 0x0, 0x7};
        !           106: static int8_t acer_pio[] = {0x0c, 0x58, 0x44, 0x33, 0x31};
        !           107: #ifdef unused
        !           108: static int8_t acer_dma[] = {0x08, 0x33, 0x31};
        !           109: #endif
        !           110:
        !           111: #endif /* !_DEV_PCI_PCIIDE_ACER_REG_H_ */