Annotation of sys/dev/pci/adv_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: adv_pci.c,v 1.9 2007/04/10 17:47:55 miod Exp $ */
2: /* $NetBSD: adv_pci.c,v 1.5 1998/09/26 15:52:55 dante Exp $ */
3:
4: /*
5: * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
6: *
7: * Author: Baldassare Dante Profeta <dante@mclink.it>
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by the NetBSD
20: * Foundation, Inc. and its contributors.
21: * 4. Neither the name of The NetBSD Foundation nor the names of its
22: * contributors may be used to endorse or promote products derived
23: * from this software without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35: * POSSIBILITY OF SUCH DAMAGE.
36: */
37: /*
38: * Device probe and attach routines for the following
39: * Advanced Systems Inc. SCSI controllers:
40: *
41: * Connectivity Products:
42: * ABP920 - Bus-Master PCI (16 CDB)
43: * ABP930 - Bus-Master PCI (16 CDB) (Footnote 1)
44: * ABP930U - Bus-Master PCI Ultra (16 CDB)
45: * ABP930UA - Bus-Master PCI Ultra (16 CDB)
46: * ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
47: * ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB) (Footnote 2)
48: *
49: * Single Channel Products:
50: * ABP940 - Bus-Master PCI (240 CDB)
51: * ABP940U - Bus-Master PCI Ultra (240 CDB)
52: * ABP970 - Bus-Master PCI MAC/PC (240 CDB)
53: * ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
54: *
55: * Multi Channel Products:
56: * ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
57: * ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
58: * ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
59: *
60: * Footnotes:
61: * 1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
62: * 2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
63: */
64:
65: #include <sys/types.h>
66: #include <sys/param.h>
67: #include <sys/systm.h>
68: #include <sys/malloc.h>
69: #include <sys/kernel.h>
70: #include <sys/queue.h>
71: #include <sys/device.h>
72:
73: #include <machine/bus.h>
74: #include <machine/intr.h>
75:
76: #include <scsi/scsi_all.h>
77: #include <scsi/scsiconf.h>
78:
79: #include <dev/pci/pcireg.h>
80: #include <dev/pci/pcivar.h>
81: #include <dev/pci/pcidevs.h>
82:
83: #include <dev/ic/adv.h>
84: #include <dev/ic/advlib.h>
85:
86: /******************************************************************************/
87:
88: #define PCI_CBIO 0x10
89:
90: /******************************************************************************/
91:
92: int adv_pci_match(struct device *, void *, void *);
93: void adv_pci_attach(struct device *, struct device *, void *);
94:
95: struct cfattach adv_pci_ca =
96: {
97: sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
98: };
99:
100: const struct pci_matchid adv_pci_devices[] = {
101: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200A },
102: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200B },
103: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_ULTRA },
104: };
105:
106: /******************************************************************************/
107: /*
108: * Check the slots looking for a board we recognise
109: * If we find one, note its address (slot) and call
110: * the actual probe routine to check it out.
111: */
112: int
113: adv_pci_match(parent, match, aux)
114: struct device *parent;
115: void *match, *aux;
116: {
117: return (pci_matchbyid((struct pci_attach_args *)aux, adv_pci_devices,
118: sizeof(adv_pci_devices)/sizeof(adv_pci_devices[0])));
119: }
120:
121:
122: void
123: adv_pci_attach(parent, self, aux)
124: struct device *parent, *self;
125: void *aux;
126: {
127: struct pci_attach_args *pa = aux;
128: ASC_SOFTC *sc = (void *) self;
129: bus_space_handle_t ioh;
130: bus_size_t advsize;
131: pci_intr_handle_t ih;
132: pci_chipset_tag_t pc = pa->pa_pc;
133: const char *intrstr;
134: int retval;
135:
136: sc->sc_flags = 0x0;
137:
138: /*
139: * Latency timer settings.
140: */
141: {
142: u_int32_t bhlcr;
143:
144: bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
145:
146: if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
147: PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
148: bhlcr &= 0xFFFF00FFul;
149: pci_conf_write(pa->pa_pc, pa->pa_tag,
150: PCI_BHLC_REG, bhlcr);
151: } else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
152: (PCI_LATTIMER(bhlcr) < 0x20)) {
153: bhlcr &= 0xFFFF00FFul;
154: bhlcr |= 0x00002000ul;
155: pci_conf_write(pa->pa_pc, pa->pa_tag,
156: PCI_BHLC_REG, bhlcr);
157: }
158: }
159:
160:
161: /*
162: * Map Device Registers for I/O
163: */
164: retval = pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
165: &sc->sc_iot, &ioh, NULL, &advsize, 0);
166: if (retval) {
167: printf(": unable to map device registers\n");
168: return;
169: }
170: sc->sc_ioh = ioh;
171: sc->sc_dmat = pa->pa_dmat;
172: sc->pci_device_id = pa->pa_id;
173: sc->bus_type = ASC_IS_PCI;
174:
175: /*
176: * Initialize the board
177: */
178: if (adv_init(sc)) {
179: printf(": adv_init failed\n");
180: bus_space_unmap(sc->sc_iot, ioh, advsize);
181: return;
182: }
183:
184: /*
185: * Map Interrupt line
186: */
187: if (pci_intr_map(pa, &ih)) {
188: printf(": couldn't map interrupt\n");
189: bus_space_unmap(sc->sc_iot, ioh, advsize);
190: return;
191: }
192: intrstr = pci_intr_string(pc, ih);
193:
194: /*
195: * Establish Interrupt handler
196: */
197: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
198: sc->sc_dev.dv_xname);
199: if (sc->sc_ih == NULL) {
200: printf(": couldn't establish interrupt");
201: if (intrstr != NULL)
202: printf(" at %s", intrstr);
203: printf("\n");
204: bus_space_unmap(sc->sc_iot, ioh, advsize);
205: return;
206: }
207: printf(": %s\n", intrstr);
208:
209: /*
210: * Attach all the sub-devices we can find
211: */
212: adv_attach(sc);
213: }
214: /******************************************************************************/
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