summaryrefslogtreecommitdiff
path: root/sys/dev/pci/ami_pci.c
blob: 69454f32c5b8c90a3eb3d6b4feb98cf7f0e89447 (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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
/*	$OpenBSD: ami_pci.c,v 1.18 2003/06/02 19:24:22 mickey Exp $	*/

/*
 * Copyright (c) 2001 Michael Shalayeff
 * All rights reserved.
 *
 * 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 AUTHOR ``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 AUTHOR OR HIS RELATIVES 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 MIND, 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.
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>

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

#include <machine/bus.h>

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

#include <dev/ic/amireg.h>
#include <dev/ic/amivar.h>

#define	AMI_BAR		0x10
#define	AMI_PCI_MEMSIZE	0x1000
#define	AMI_SUBSYSID	0x2c
#define	PCI_EBCR	0x40
#define	AMI_WAKEUP	0x64

/* "Quartz" i960 Config space */
#define	AMI_PCI_INIT	0x9c
#define		AMI_INITSTAT(i)	(((i) >>  8) & 0xff)
#define		AMI_INITTARG(i)	(((i) >> 16) & 0xff)
#define		AMI_INITCHAN(i)	(((i) >> 24) & 0xff)
#define	AMI_PCI_SIG	0xa0
#define		AMI_SIGNATURE_1	0xcccc		/* older adapters */
#define		AMI_SIGNATURE_2	0x3344		/* newer adapters */
#define	AMI_PCI_SGL	0xa4
#define		AMI_SGL_LHC	0x00000299
#define		AMI_SGL_HLC	0x00000199

int	ami_pci_match(struct device *, void *, void *);
void	ami_pci_attach(struct device *, struct device *, void *);

struct cfattach ami_pci_ca = {
	sizeof(struct ami_softc), ami_pci_match, ami_pci_attach
};

static const
struct	ami_pci_device {
	int	vendor;
	int	product;
	int	flags;
#define	AMI_CHECK_SIGN	0x001
} ami_pci_devices[] = {
	{ PCI_VENDOR_AMI,	PCI_PRODUCT_AMI_MEGARAID,	0 },
	{ PCI_VENDOR_AMI,	PCI_PRODUCT_AMI_MEGARAID428,	0 },
	{ PCI_VENDOR_AMI,	PCI_PRODUCT_AMI_MEGARAID434,	0 },
	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_4DI,	0 },
	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_4DI_2,	0 },
	{ PCI_VENDOR_INTEL,	PCI_PRODUCT_INTEL_80960RP_ATU, AMI_CHECK_SIGN },
	{ 0 }
};

static const
struct	ami_pci_subsys {
	pcireg_t id;
	char	name[12];
} ami_pci_subsys[] = {
	/* only those of a special name are listed here */
	{ 0x09A0101E,	"Dell 466v1" },
	{ 0x11111111,	"Dell 466v2" },
	{ 0x11121111,	"Dell 438" },
	{ 0x11111028,	"Dell 466v3" },
	{ 0x10c6103c,	"HP 438" },
	{ 0x10c7103c,	"HP T5/T6" },
	{ 0x10cc103c,	"HP T7" },
	{ 0x10cd103c,	"HP 466" },
	{ 0 }
};

static const
struct ami_pci_vendor {
	u_int16_t id;
	char name[8];
} ami_pci_vendors[] = {
	{ 0x101e, "AMI" },
	{ 0x1028, "Dell" },
	{ 0x103c, "HP" },
	{ 0 }
};

int
ami_pci_match(parent, match, aux)
	struct device *parent;
	void *match;
	void *aux;
{
	struct pci_attach_args *pa = aux;
	const struct ami_pci_device *pami;
	pcireg_t sig;

	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
		return (0);

	for (pami = ami_pci_devices; pami->vendor; pami++) {
		if (pami->vendor == PCI_VENDOR(pa->pa_id) &&
		    pami->product == PCI_PRODUCT(pa->pa_id)) {
			if (!(pami->flags & AMI_CHECK_SIGN))
				return (1);
			/* some cards have 0x11223344, but some only 16bit */
			sig = pci_conf_read(pa->pa_pc, pa->pa_tag,
			    AMI_PCI_SIG) & 0xffff;
			if (sig == AMI_SIGNATURE_1 ||
			    sig == AMI_SIGNATURE_2)
				return (1);
		}
	}
	return (0);
}

void
ami_pci_attach(parent, self, aux)
	struct device *parent, *self;
	void *aux;
{
	struct ami_softc *sc = (struct ami_softc *)self;
	struct pci_attach_args *pa = aux;
	pci_intr_handle_t ih;
	const char *intrstr, *model = NULL, *lhc;
	const struct ami_pci_subsys *ssp;
	bus_size_t size;
	pcireg_t csr;
#if 0
	/* reset */
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_EBCR,
	    pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_EBCR) | 0x20);
	pci_conf_write(pa->pa_pc, pa->pa_tag, AMI_WAKEUP, 0);
#endif
	csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, AMI_BAR);
	csr |= PCI_MAPREG_MEM_TYPE_32BIT;
	if (pci_mapreg_map(pa, AMI_BAR, csr, 0,
	    &sc->iot, &sc->ioh, NULL, &size, AMI_PCI_MEMSIZE)) {
		printf(": can't map controller pci space\n");
		return;
	}

	if (csr == PCI_MAPREG_TYPE_IO) {
		sc->sc_init = ami_schwartz_init;
		sc->sc_exec = ami_schwartz_exec;
		sc->sc_done = ami_schwartz_done;
	} else {
		sc->sc_init = ami_quartz_init;
		sc->sc_exec = ami_quartz_exec;
		sc->sc_done = ami_quartz_done;
	}
	sc->dmat = pa->pa_dmat;

	/* enable bus mastering (should not it be mi?) */
	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
	    csr | PCI_COMMAND_MASTER_ENABLE);

	if (pci_intr_map(pa, &ih)) {
		printf(": can't map interrupt\n");
		bus_space_unmap(sc->iot, sc->ioh, size);
		return;
	}
	intrstr = pci_intr_string(pa->pa_pc, ih);
	sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, ami_intr, sc,
	    sc->sc_dev.dv_xname);
	if (!sc->sc_ih) {
		printf(": can't establish interrupt");
		if (intrstr)
			printf(" at %s", intrstr);
		printf("\n");
		bus_space_unmap(sc->iot, sc->ioh, size);
	}

	printf(": %s", intrstr);

	csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
	for (ssp = ami_pci_subsys; ssp->id; ssp++)
		if (ssp->id == csr) {
			model = ssp->name;
			break;
		}

	if (!model && PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMI)
		switch (PCI_PRODUCT(pa->pa_id)) {
		case PCI_PRODUCT_AMI_MEGARAID428:
			model = "AMI 428";
			break;
		case PCI_PRODUCT_AMI_MEGARAID434:
			model = "AMI 434";
			break;
		}

	/* XXX 438 is netraid 3si for hp cards, but we get to know
	   they are hp too late in md code */

	if (!model) {
		const struct ami_pci_vendor *vp;
		static char modelbuf[12];

		for (vp = ami_pci_vendors;
		     vp->id && vp->id != (csr & 0xffff); vp++);
		if (vp->id)
			snprintf(modelbuf, sizeof modelbuf, "%s %x", vp->name,
			    (csr >> 16) & 0xffff);
		else
			snprintf(modelbuf, sizeof modelbuf, "unknown 0x%08x",
			    csr);
		model = modelbuf;
	}

	switch (pci_conf_read(pa->pa_pc, pa->pa_tag, AMI_PCI_SGL)) {
	case AMI_SGL_LHC:	lhc = "64b/lhc";	break;
	case AMI_SGL_HLC:	lhc = "64b/hlc";	break;
	default:		lhc = "32b";
	}

	printf(" %s/%s\n%s", model, lhc, sc->sc_dev.dv_xname);

	if (ami_attach(sc)) {
		pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
		sc->sc_ih = NULL;
		bus_space_unmap(sc->iot, sc->ioh, size);
	}
}