1/* $NetBSD: adw_pci.c,v 1.30 2022/09/25 17:52:25 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 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30/*
31 * Device probe and attach routines for the following
32 * Advanced Systems Inc. SCSI controllers:
33 *
34 *      ABP-940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
35 *	ABP-940UW (68)	- Bus-Master PCI Ultra-Wide (253 CDB)
36 *	ABP-940UWD	- Bus-Master PCI Ultra-Wide (253 CDB)
37 *	ABP-970UW	- Bus-Master PCI Ultra-Wide (253 CDB)
38 *	ASB-3940UW	- Bus-Master PCI Ultra-Wide (253 CDB)
39 *	ASB-3940U2W-00	- Bus-Master PCI Ultra2-Wide (253 CDB)
40 *	ASB-3940U3W-00	- Bus-Master PCI Ultra3-Wide (253 CDB)
41 */
42
43#include <sys/cdefs.h>
44__KERNEL_RCSID(0, "$NetBSD: adw_pci.c,v 1.30 2022/09/25 17:52:25 thorpej Exp $");
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/kernel.h>
49#include <sys/queue.h>
50#include <sys/device.h>
51
52#include <sys/bus.h>
53#include <sys/intr.h>
54
55#include <dev/scsipi/scsi_all.h>
56#include <dev/scsipi/scsipi_all.h>
57#include <dev/scsipi/scsiconf.h>
58
59#include <dev/pci/pcireg.h>
60#include <dev/pci/pcivar.h>
61#include <dev/pci/pcidevs.h>
62
63#include <dev/ic/adwlib.h>
64#include <dev/ic/adwmcode.h>
65#include <dev/ic/adw.h>
66
67/******************************************************************************/
68
69#define PCI_BASEADR_IO        0x10
70
71/******************************************************************************/
72/*
73 * Check the slots looking for a board we recognise
74 * If we find one, note its address (slot) and call
75 * the actual probe routine to check it out.
76 */
77static int
78adw_pci_match(device_t parent, cfdata_t match, void *aux)
79{
80	struct pci_attach_args *pa = aux;
81
82	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
83		switch (PCI_PRODUCT(pa->pa_id)) {
84		case PCI_PRODUCT_ADVSYS_WIDE:
85		case PCI_PRODUCT_ADVSYS_U2W:
86		case PCI_PRODUCT_ADVSYS_U3W:
87			return (1);
88		}
89
90	return 0;
91}
92
93
94static void
95adw_pci_attach(device_t parent, device_t self, void *aux)
96{
97	struct pci_attach_args *pa = aux;
98	ADW_SOFTC      *sc = device_private(self);
99	bus_space_tag_t iot;
100	bus_space_handle_t ioh;
101	pci_intr_handle_t ih;
102	pci_chipset_tag_t pc = pa->pa_pc;
103	u_int32_t       command;
104	const char     *intrstr;
105	char intrbuf[PCI_INTRSTR_LEN];
106
107	sc->sc_dev = self;
108
109	aprint_naive(": SCSI controller\n");
110
111	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ADVSYS)
112		switch (PCI_PRODUCT(pa->pa_id)) {
113		case PCI_PRODUCT_ADVSYS_WIDE:
114			sc->chip_type = ADW_CHIP_ASC3550;
115			aprint_normal(
116			    ": AdvanSys ASB-3940UW-00 SCSI adapter\n");
117			break;
118
119		case PCI_PRODUCT_ADVSYS_U2W:
120			sc->chip_type = ADW_CHIP_ASC38C0800;
121			aprint_normal(
122			    ": AdvanSys ASB-3940U2W-00 SCSI adapter\n");
123			break;
124
125		case PCI_PRODUCT_ADVSYS_U3W:
126			sc->chip_type = ADW_CHIP_ASC38C1600;
127			aprint_normal(
128			    ": AdvanSys ASB-3940U3W-00 SCSI adapter\n");
129			break;
130
131		default:
132			aprint_error(": unknown model!\n");
133			return;
134		}
135
136
137	/*
138	 * Make sure IO/MEM/MASTER are enabled
139	 */
140	command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
141	command |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
142			PCI_COMMAND_MASTER_ENABLE;
143	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
144
145	if ( (command & PCI_COMMAND_PARITY_ENABLE) == 0) {
146		sc->cfg.control_flag |= CONTROL_FLAG_IGNORE_PERR;
147	}
148	/*
149	 * Map Device Registers for I/O
150	 */
151	if (pci_mapreg_map(pa, PCI_BASEADR_IO, PCI_MAPREG_TYPE_IO, 0,
152			   &iot, &ioh, NULL, NULL)) {
153		aprint_error_dev(self, "unable to map device registers\n");
154		return;
155	}
156	sc->sc_iot = iot;
157	sc->sc_ioh = ioh;
158	sc->sc_dmat = pa->pa_dmat;
159
160	/*
161	 * Initialize the board
162	 */
163	if (adw_init(sc)) {
164		aprint_error_dev(self, "adw_init failed");
165		return;
166	}
167
168	/*
169	 * Map Interrupt line
170	 */
171	if (pci_intr_map(pa, &ih)) {
172		aprint_error_dev(self, "couldn't map interrupt\n");
173		return;
174	}
175	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
176
177	/*
178	 * Establish Interrupt handler
179	 */
180	sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_BIO, adw_intr, sc,
181	    device_xname(self));
182	if (sc->sc_ih == NULL) {
183		aprint_error_dev(self, "couldn't establish interrupt");
184		if (intrstr != NULL)
185			aprint_error(" at %s", intrstr);
186		aprint_error("\n");
187		return;
188	}
189	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
190
191	/*
192	 * Attach all the sub-devices we can find
193	 */
194	adw_attach(sc);
195}
196
197CFATTACH_DECL_NEW(adw_pci, sizeof(ADW_SOFTC),
198    adw_pci_match, adw_pci_attach, NULL, NULL);
199