summaryrefslogtreecommitdiff
path: root/sys/dev/pci/adv_pci.c
blob: c23509e543bef7381b0b7793889bafea94db973e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/*	$OpenBSD: adv_pci.c,v 1.16 2024/05/24 06:02:53 jsg Exp $	*/
/*	$NetBSD: adv_pci.c,v 1.5 1998/09/26 15:52:55 dante Exp $	*/

/*
 * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
 *
 * Author: Baldassare Dante Profeta <dante@mclink.it>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
/*
 * Device probe and attach routines for the following
 * Advanced Systems Inc. SCSI controllers:
 *
 *    Connectivity Products:
 *      ABP920 - Bus-Master PCI (16 CDB)
 *      ABP930 - Bus-Master PCI (16 CDB)		(Footnote 1)
 *      ABP930U - Bus-Master PCI Ultra (16 CDB)
 *      ABP930UA - Bus-Master PCI Ultra (16 CDB)
 *      ABP960 - Bus-Master PCI MAC/PC (16 CDB)		(Footnote 2)
 *      ABP960U - Bus-Master PCI MAC/PC Ultra (16 CDB)	(Footnote 2)
 *
 *   Single Channel Products:
 *      ABP940 - Bus-Master PCI (240 CDB)
 *      ABP940U - Bus-Master PCI Ultra (240 CDB)
 *      ABP970 - Bus-Master PCI MAC/PC (240 CDB)
 *      ABP970U - Bus-Master PCI MAC/PC Ultra (240 CDB)
 *
 *   Multi Channel Products:
 *      ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
 *      ABP980 - Four Channel Bus-Master PCI (240 CDB Per Channel)
 *      ABP980U - Four Channel Bus-Master PCI Ultra (240 CDB Per Channel)
 *
 *   Footnotes:
 *     1. This board has been sold by SIIG as the Fast SCSI Pro PCI.
 *     2. This board has been sold by Iomega as a Jaz Jet PCI adapter.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/queue.h>
#include <sys/device.h>

#include <machine/bus.h>
#include <machine/intr.h>

#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>

#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>

#include <dev/ic/adv.h>
#include <dev/ic/advlib.h>

/******************************************************************************/

#define PCI_CBIO        0x10

/******************************************************************************/

int	adv_pci_match(struct device *, void *, void *);
void	adv_pci_attach(struct device *, struct device *, void *);

const struct cfattach adv_pci_ca =
{
	sizeof(ASC_SOFTC), adv_pci_match, adv_pci_attach
};

const struct pci_matchid adv_pci_devices[] = {
	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200A },
	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_1200B },
	{ PCI_VENDOR_ADVSYS, PCI_PRODUCT_ADVSYS_ULTRA },
};

/******************************************************************************/
/*
 * Check the slots looking for a board we recognise
 * If we find one, note its address (slot) and call
 * the actual probe routine to check it out.
 */
int
adv_pci_match(struct device *parent, void *match, void *aux)
{
	return (pci_matchbyid((struct pci_attach_args *)aux, adv_pci_devices,
	    nitems(adv_pci_devices)));
}


void
adv_pci_attach(struct device *parent, struct device *self, void *aux)
{
	struct pci_attach_args *pa = aux;
	ASC_SOFTC      *sc = (void *) self;
	bus_space_handle_t ioh;
	bus_size_t advsize;
	pci_intr_handle_t ih;
	pci_chipset_tag_t pc = pa->pa_pc;
	const char     *intrstr;
	int retval;

	sc->sc_flags = 0x0;

	/*
	 * Latency timer settings.
	 */
	{
		u_int32_t       bhlcr;

		bhlcr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);

		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200A ||
		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_1200B) {
			bhlcr &= 0xFFFF00FFul;
			pci_conf_write(pa->pa_pc, pa->pa_tag,
					PCI_BHLC_REG, bhlcr);
		} else if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADVSYS_ULTRA) &&
			   (PCI_LATTIMER(bhlcr) < 0x20)) {
			bhlcr &= 0xFFFF00FFul;
			bhlcr |= 0x00002000ul;
			pci_conf_write(pa->pa_pc, pa->pa_tag,
					PCI_BHLC_REG, bhlcr);
		}
	}


	/*
	 * Map Device Registers for I/O
	 */
	retval = pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
	    &sc->sc_iot, &ioh, NULL, &advsize, 0);
	if (retval) {
		printf(": unable to map device registers\n");
		return;
	}
	sc->sc_ioh = ioh;
	sc->sc_dmat = pa->pa_dmat;
	sc->pci_device_id = pa->pa_id;
	sc->bus_type = ASC_IS_PCI;

	/*
	 * Initialize the board
	 */
	if (adv_init(sc)) {
		printf(": adv_init failed\n");
		bus_space_unmap(sc->sc_iot, ioh, advsize);
		return;
	}

	/*
	 * Map Interrupt line
	 */
	if (pci_intr_map(pa, &ih)) {
		printf(": couldn't map interrupt\n");
		bus_space_unmap(sc->sc_iot, ioh, advsize);
		return;
	}
	intrstr = pci_intr_string(pc, ih);

	/*
	 * Establish Interrupt handler
	 */
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, adv_intr, sc,
				       sc->sc_dev.dv_xname);
	if (sc->sc_ih == NULL) {
		printf(": couldn't establish interrupt");
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		bus_space_unmap(sc->sc_iot, ioh, advsize);
		return;
	}
	printf(": %s\n", intrstr);

	/*
	 * Attach all the sub-devices we can find
	 */
	adv_attach(sc);
}
/******************************************************************************/