xref: /netbsd/sys/dev/pci/adw_pci.c (revision c4a72b64)
1 /* $NetBSD: adw_pci.c,v 1.13 2002/10/02 16:51:00 thorpej Exp $	 */
2 
3 /*
4  * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
5  * 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  *      ABP-940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
42  *	ABP-940UW (68)	- Bus-Master PCI Ultra-Wide (253 CDB)
43  *	ABP-940UWD	- Bus-Master PCI Ultra-Wide (253 CDB)
44  *	ABP-970UW	- Bus-Master PCI Ultra-Wide (253 CDB)
45  *	ASB-3940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
46  *	ASB-3940U2W-00	- Bus-Master PCI Ultra2-Wide (253 CDB)
47  *	ASB-3940U3W-00	- Bus-Master PCI Ultra3-Wide (253 CDB)
48  */
49 
50 #include <sys/cdefs.h>
51 __KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.13 2002/10/02 16:51:00 thorpej Exp $");
52 
53 #include <sys/param.h>
54 #include <sys/systm.h>
55 #include <sys/malloc.h>
56 #include <sys/kernel.h>
57 #include <sys/queue.h>
58 #include <sys/device.h>
59 
60 #include <machine/bus.h>
61 #include <machine/intr.h>
62 
63 #include <dev/scsipi/scsi_all.h>
64 #include <dev/scsipi/scsipi_all.h>
65 #include <dev/scsipi/scsiconf.h>
66 
67 #include <dev/pci/pcireg.h>
68 #include <dev/pci/pcivar.h>
69 #include <dev/pci/pcidevs.h>
70 
71 #include <dev/ic/adwlib.h>
72 #include <dev/ic/adwmcode.h>
73 #include <dev/ic/adw.h>
74 
75 /******************************************************************************/
76 
77 #define PCI_BASEADR_IO        0x10
78 
79 /******************************************************************************/
80 
81 static int adw_pci_match __P((struct device *, struct cfdata *, void *));
82 static void adw_pci_attach __P((struct device *, struct device *, void *));
83 
84 CFATTACH_DECL(adw_pci, sizeof(ADW_SOFTC),
85     adw_pci_match, adw_pci_attach, NULL, NULL);
86 
87 /******************************************************************************/
88 /*
89  * Check the slots looking for a board we recognise
90  * If we find one, note it's address (slot) and call
91  * the actual probe routine to check it out.
92  */
93 static int
94 adw_pci_match(parent, match, aux)
95 	struct device  *parent;
96 	struct cfdata  *match;
97 	void           *aux;
98 {
99 	struct pci_attach_args *pa = aux;
100 
101 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
102 		switch (PCI_PRODUCT(pa->pa_id)) {
103 		case PCI_PRODUCT_ADVSYS_WIDE:
104 		case PCI_PRODUCT_ADVSYS_U2W:
105 		case PCI_PRODUCT_ADVSYS_U3W:
106 			return (1);
107 		}
108 
109 	return 0;
110 }
111 
112 
113 static void
114 adw_pci_attach(parent, self, aux)
115 	struct device  *parent, *self;
116 	void           *aux;
117 {
118 	struct pci_attach_args *pa = aux;
119 	ADW_SOFTC      *sc = (void *) self;
120 	bus_space_tag_t iot;
121 	bus_space_handle_t ioh;
122 	pci_intr_handle_t ih;
123 	pci_chipset_tag_t pc = pa->pa_pc;
124 	u_int32_t       command;
125 	const char     *intrstr;
126 
127 
128 	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
129 		switch (PCI_PRODUCT(pa->pa_id)) {
130 		case PCI_PRODUCT_ADVSYS_WIDE:
131 			sc->chip_type = ADW_CHIP_ASC3550;
132 			printf(": AdvanSys ASB-3940UW-00 SCSI adapter\n");
133 			break;
134 
135 		case PCI_PRODUCT_ADVSYS_U2W:
136 			sc->chip_type = ADW_CHIP_ASC38C0800;
137 			printf(": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
138 			break;
139 
140 		case PCI_PRODUCT_ADVSYS_U3W:
141 			sc->chip_type = ADW_CHIP_ASC38C1600;
142 			printf(": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
143 			break;
144 
145 		default:
146 			printf(": unknown model!\n");
147 			return;
148 		}
149 
150 
151 	/*
152 	 * Make sure IO/MEM/MASTER are enabled
153 	 */
154 	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
155 	command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
156 			PCI_COMMAND_MASTER_ENABLE;
157 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
158 
159 	if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
160 		sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
161 	}
162 	/*
163 	 * Map Device Registers for I/O
164 	 */
165 	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
166 			   &iot, &ioh, NULL, NULL)) {
167 		printf("%s: unable to map device registers\n",
168 		       sc->sc_dev.dv_xname);
169 		return;
170 	}
171 	sc->sc_iot = iot;
172 	sc->sc_ioh = ioh;
173 	sc->sc_dmat = pa->pa_dmat;
174 
175 	/*
176 	 * Initialize the board
177 	 */
178 	if (adw_init(sc)) {
179 		printf("%s: adw_init failed", sc->sc_dev.dv_xname);
180 		return;
181 	}
182 
183 	/*
184 	 * Map Interrupt line
185 	 */
186 	if (pci_intr_map(pa, &ih)) {
187 		printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
188 		return;
189 	}
190 	intrstr = pci_intr_string(pc, ih);
191 
192 	/*
193 	 * Establish Interrupt handler
194 	 */
195 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc);
196 	if (sc->sc_ih == NULL) {
197 		printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
198 		if (intrstr != NULL)
199 			printf(" at %s", intrstr);
200 		printf("\n");
201 		return;
202 	}
203 	printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
204 
205 	/*
206 	 * Attach all the sub-devices we can find
207 	 */
208 	adw_attach(sc);
209 }
210 /******************************************************************************/
211