Annotation of sys/dev/pci/adw_pci.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: adw_pci.c,v 1.14 2007/04/10 17:47:55 miod Exp $ */
2: /* $NetBSD: adw_pci.c,v 1.7 2000/05/26 15:13:46 dante Exp $ */
3:
4: /*
5: * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * Author: Baldassare Dante Profeta <dante@mclink.it>
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the NetBSD
21: * Foundation, Inc. and its contributors.
22: * 4. Neither the name of The NetBSD Foundation nor the names of its
23: * contributors may be used to endorse or promote products derived
24: * from this software without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38: /*
39: * Device probe and attach routines for the following
40: * Advanced Systems Inc. SCSI controllers:
41: *
42: * ABP-940UW - Bus-Master PCI Ultra-Wide (253 CDB)
43: * ABP-940UW (68) - Bus-Master PCI Ultra-Wide (253 CDB)
44: * ABP-940UWD - Bus-Master PCI Ultra-Wide (253 CDB)
45: * ABP-970UW - Bus-Master PCI Ultra-Wide (253 CDB)
46: * ASB-3940UW - Bus-Master PCI Ultra-Wide (253 CDB)
47: * ASB-3940U2W-00 - Bus-Master PCI Ultra2-Wide (253 CDB)
48: * ASB-3940U3W-00 - Bus-Master PCI Ultra3-Wide (253 CDB)
49: */
50:
51: #include <sys/types.h>
52: #include <sys/param.h>
53: #include <sys/systm.h>
54: #include <sys/malloc.h>
55: #include <sys/kernel.h>
56: #include <sys/queue.h>
57: #include <sys/device.h>
58: #include <sys/timeout.h>
59:
60: #include <machine/bus.h>
61: #include <machine/intr.h>
62:
63: #include <scsi/scsi_all.h>
64: #include <scsi/scsiconf.h>
65:
66: #include <dev/pci/pcireg.h>
67: #include <dev/pci/pcivar.h>
68: #include <dev/pci/pcidevs.h>
69:
70: #include <dev/ic/adwlib.h>
71: #include <dev/microcode/adw/adwmcode.h>
72: #include <dev/ic/adw.h>
73:
74: /******************************************************************************/
75:
76: #define PCI_BASEADR_IO 0x10
77:
78: /******************************************************************************/
79:
80: int adw_pci_match(struct device *, void *, void *);
81: void adw_pci_attach(struct device *, struct device *, void *);
82:
83: struct cfattach adw_pci_ca =
84: {
85: sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
86: };
87:
88: const struct pci_matchid adw_pci_devices[] = {
89: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE },
90: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W },
91: { PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W },
92: };
93:
94: /******************************************************************************/
95: /*
96: * Check the slots looking for a board we recognise
97: * If we find one, note its address (slot) and call
98: * the actual probe routine to check it out.
99: */
100: int
101: adw_pci_match(parent, match, aux)
102: struct device *parent;
103: void *match;
104: void *aux;
105: {
106: return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices,
107: sizeof(adw_pci_devices)/sizeof(adw_pci_devices[0])));
108: }
109:
110:
111: void
112: adw_pci_attach(parent, self, aux)
113: struct device *parent, *self;
114: void *aux;
115: {
116: struct pci_attach_args *pa = aux;
117: ADW_SOFTC *sc = (void *) self;
118: bus_space_tag_t iot;
119: bus_space_handle_t ioh;
120: pci_intr_handle_t ih;
121: pci_chipset_tag_t pc = pa->pa_pc;
122: pcireg_t command;
123: const char *intrstr;
124:
125: /*
126: * Set chip type
127: */
128: switch (PCI_PRODUCT(pa->pa_id)) {
129: case PCI_PRODUCT_ADVSYS_WIDE:
130: sc->chip_type = ADW_CHIP_ASC3550;
131: break;
132:
133: case PCI_PRODUCT_ADVSYS_U2W:
134: sc->chip_type = ADW_CHIP_ASC38C0800;
135: break;
136:
137: case PCI_PRODUCT_ADVSYS_U3W:
138: sc->chip_type = ADW_CHIP_ASC38C1600;
139: break;
140:
141: default:
142: printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname,
143: PCI_PRODUCT(pa->pa_id));
144: return;
145: }
146:
147: command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
148: if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0)
149: sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
150:
151: /*
152: * Map Device Registers for I/O
153: */
154: if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
155: &iot, &ioh, NULL, NULL, 0)) {
156: printf("\n%s: unable to map device registers\n",
157: sc->sc_dev.dv_xname);
158: return;
159: }
160: sc->sc_iot = iot;
161: sc->sc_ioh = ioh;
162: sc->sc_dmat = pa->pa_dmat;
163:
164: /*
165: * Initialize the board
166: */
167: if (adw_init(sc)) {
168: printf("%s: adw_init failed", sc->sc_dev.dv_xname);
169: return;
170: }
171:
172: /*
173: * Map Interrupt line
174: */
175: if (pci_intr_map(pa, &ih)) {
176: printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
177: return;
178: }
179: intrstr = pci_intr_string(pc, ih);
180:
181: /*
182: * Establish Interrupt handler
183: */
184: sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc,
185: sc->sc_dev.dv_xname);
186: if (sc->sc_ih == NULL) {
187: printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
188: if (intrstr != NULL)
189: printf(" at %s", intrstr);
190: printf("\n");
191: return;
192: }
193: printf(": %s\n", intrstr);
194:
195: /*
196: * Attach all the sub-devices we can find
197: */
198: adw_attach(sc);
199: }
200: /******************************************************************************/
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