xref: /openbsd/sys/dev/pci/adw_pci.c (revision e5dd7070)
1 /*	$OpenBSD: adw_pci.c,v 1.18 2017/09/08 05:36:52 deraadt 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 /*
32  * Device probe and attach routines for the following
33  * Advanced Systems Inc. SCSI controllers:
34  *
35  *      ABP-940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
36  *	ABP-940UW (68)	- Bus-Master PCI Ultra-Wide (253 CDB)
37  *	ABP-940UWD	- Bus-Master PCI Ultra-Wide (253 CDB)
38  *	ABP-970UW	- Bus-Master PCI Ultra-Wide (253 CDB)
39  *	ASB-3940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
40  *	ASB-3940U2W-00	- Bus-Master PCI Ultra2-Wide (253 CDB)
41  *	ASB-3940U3W-00	- Bus-Master PCI Ultra3-Wide (253 CDB)
42  */
43 
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/malloc.h>
47 #include <sys/kernel.h>
48 #include <sys/queue.h>
49 #include <sys/device.h>
50 #include <sys/timeout.h>
51 
52 #include <machine/bus.h>
53 
54 #include <scsi/scsi_all.h>
55 #include <scsi/scsiconf.h>
56 
57 #include <dev/pci/pcireg.h>
58 #include <dev/pci/pcivar.h>
59 #include <dev/pci/pcidevs.h>
60 
61 #include <dev/ic/adwlib.h>
62 #include <dev/microcode/adw/adwmcode.h>
63 #include <dev/ic/adw.h>
64 
65 /******************************************************************************/
66 
67 #define PCI_BASEADR_IO        0x10
68 
69 /******************************************************************************/
70 
71 int adw_pci_match(struct device *, void *, void *);
72 void adw_pci_attach(struct device *, struct device *, void *);
73 
74 struct cfattach adw_pci_ca =
75 {
76 	sizeof(ADW_SOFTC), adw_pci_match, adw_pci_attach
77 };
78 
79 const struct pci_matchid adw_pci_devices[] = {
80 	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_WIDE },
81 	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U2W },
82 	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_U3W },
83 };
84 
85 /******************************************************************************/
86 /*
87  * Check the slots looking for a board we recognise
88  * If we find one, note its address (slot) and call
89  * the actual probe routine to check it out.
90  */
91 int
92 adw_pci_match(parent, match, aux)
93 	struct device  *parent;
94 	void           *match;
95 	void           *aux;
96 {
97 	return (pci_matchbyid((struct pci_attach_args *)aux, adw_pci_devices,
98 	    nitems(adw_pci_devices)));
99 }
100 
101 
102 void
103 adw_pci_attach(parent, self, aux)
104 	struct device  *parent, *self;
105 	void           *aux;
106 {
107 	struct pci_attach_args *pa = aux;
108 	ADW_SOFTC      *sc = (void *) self;
109 	bus_space_tag_t iot;
110 	bus_space_handle_t ioh;
111 	pci_intr_handle_t ih;
112 	pci_chipset_tag_t pc = pa->pa_pc;
113 	pcireg_t	command;
114 	const char     *intrstr;
115 
116 	/*
117 	 * Set chip type
118 	 */
119 	switch (PCI_PRODUCT(pa->pa_id)) {
120 	case PCI_PRODUCT_ADVSYS_WIDE:
121 		sc->chip_type = ADW_CHIP_ASC3550;
122 		break;
123 
124 	case PCI_PRODUCT_ADVSYS_U2W:
125 		sc->chip_type = ADW_CHIP_ASC38C0800;
126 		break;
127 
128 	case PCI_PRODUCT_ADVSYS_U3W:
129 		sc->chip_type = ADW_CHIP_ASC38C1600;
130 		break;
131 
132 	default:
133 		printf("\n%s: unknown model: %d\n", sc->sc_dev.dv_xname,
134 		       PCI_PRODUCT(pa->pa_id));
135 		return;
136 	}
137 
138 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
139 	if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0)
140 		sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
141 
142 	/*
143 	 * Map Device Registers for I/O
144 	 */
145 	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
146 			   &iot, &ioh, NULL, NULL, 0)) {
147 		printf("\n%s: unable to map device registers\n",
148 		       sc->sc_dev.dv_xname);
149 		return;
150 	}
151 	sc->sc_iot = iot;
152 	sc->sc_ioh = ioh;
153 	sc->sc_dmat = pa->pa_dmat;
154 
155 	/*
156 	 * Initialize the board
157 	 */
158 	if (adw_init(sc)) {
159 		printf("%s: adw_init failed", sc->sc_dev.dv_xname);
160 		return;
161 	}
162 
163 	/*
164 	 * Map Interrupt line
165 	 */
166 	if (pci_intr_map(pa, &ih)) {
167 		printf("\n%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
168 		return;
169 	}
170 	intrstr = pci_intr_string(pc, ih);
171 
172 	/*
173 	 * Establish Interrupt handler
174 	 */
175 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adw_intr, sc,
176 				       sc->sc_dev.dv_xname);
177 	if (sc->sc_ih == NULL) {
178 		printf("\n%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
179 		if (intrstr != NULL)
180 			printf(" at %s", intrstr);
181 		printf("\n");
182 		return;
183 	}
184 	printf(": %s\n", intrstr);
185 
186 	/*
187 	 * Attach all the sub-devices we can find
188 	 */
189 	adw_attach(sc);
190 }
191 /******************************************************************************/
192