xref: /freebsd/sys/dev/ahci/ahci_pci.c (revision c6db8143eda5c775467145ac73e8ebec47afdd8f)
1 /*-
2  * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification, immediately at the beginning of the file.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/bus.h>
35 #include <sys/conf.h>
36 #include <sys/endian.h>
37 #include <sys/malloc.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <machine/stdarg.h>
41 #include <machine/resource.h>
42 #include <machine/bus.h>
43 #include <sys/rman.h>
44 #include <dev/pci/pcivar.h>
45 #include <dev/pci/pcireg.h>
46 #include "ahci.h"
47 
48 static int force_ahci = 1;
49 TUNABLE_INT("hw.ahci.force", &force_ahci);
50 
51 static struct {
52 	uint32_t	id;
53 	uint8_t		rev;
54 	const char	*name;
55 	int		quirks;
56 } ahci_ids[] = {
57 	{0x43801002, 0x00, "AMD SB600",
58 		AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K},
59 	{0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
60 	{0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
61 	{0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
62 	{0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
63 	{0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
64 	/* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */
65 	{0x43951002, 0x00, "AMD SB8x0/SB9x0",	AHCI_Q_ATI_PMP_BUG},
66 	{0x78001022, 0x00, "AMD Hudson-2",	0},
67 	{0x78011022, 0x00, "AMD Hudson-2",	0},
68 	{0x78021022, 0x00, "AMD Hudson-2",	0},
69 	{0x78031022, 0x00, "AMD Hudson-2",	0},
70 	{0x78041022, 0x00, "AMD Hudson-2",	0},
71 	{0x06111b21, 0x00, "ASMedia ASM2106",	0},
72 	{0x06121b21, 0x00, "ASMedia ASM1061",	0},
73 	{0x26528086, 0x00, "Intel ICH6",	AHCI_Q_NOFORCE},
74 	{0x26538086, 0x00, "Intel ICH6M",	AHCI_Q_NOFORCE},
75 	{0x26818086, 0x00, "Intel ESB2",	0},
76 	{0x26828086, 0x00, "Intel ESB2",	0},
77 	{0x26838086, 0x00, "Intel ESB2",	0},
78 	{0x27c18086, 0x00, "Intel ICH7",	0},
79 	{0x27c38086, 0x00, "Intel ICH7",	0},
80 	{0x27c58086, 0x00, "Intel ICH7M",	0},
81 	{0x27c68086, 0x00, "Intel ICH7M",	0},
82 	{0x28218086, 0x00, "Intel ICH8",	0},
83 	{0x28228086, 0x00, "Intel ICH8",	0},
84 	{0x28248086, 0x00, "Intel ICH8",	0},
85 	{0x28298086, 0x00, "Intel ICH8M",	0},
86 	{0x282a8086, 0x00, "Intel ICH8M",	0},
87 	{0x29228086, 0x00, "Intel ICH9",	0},
88 	{0x29238086, 0x00, "Intel ICH9",	0},
89 	{0x29248086, 0x00, "Intel ICH9",	0},
90 	{0x29258086, 0x00, "Intel ICH9",	0},
91 	{0x29278086, 0x00, "Intel ICH9",	0},
92 	{0x29298086, 0x00, "Intel ICH9M",	0},
93 	{0x292a8086, 0x00, "Intel ICH9M",	0},
94 	{0x292b8086, 0x00, "Intel ICH9M",	0},
95 	{0x292c8086, 0x00, "Intel ICH9M",	0},
96 	{0x292f8086, 0x00, "Intel ICH9M",	0},
97 	{0x294d8086, 0x00, "Intel ICH9",	0},
98 	{0x294e8086, 0x00, "Intel ICH9M",	0},
99 	{0x3a058086, 0x00, "Intel ICH10",	0},
100 	{0x3a228086, 0x00, "Intel ICH10",	0},
101 	{0x3a258086, 0x00, "Intel ICH10",	0},
102 	{0x3b228086, 0x00, "Intel 5 Series/3400 Series",	0},
103 	{0x3b238086, 0x00, "Intel 5 Series/3400 Series",	0},
104 	{0x3b258086, 0x00, "Intel 5 Series/3400 Series",	0},
105 	{0x3b298086, 0x00, "Intel 5 Series/3400 Series",	0},
106 	{0x3b2c8086, 0x00, "Intel 5 Series/3400 Series",	0},
107 	{0x3b2f8086, 0x00, "Intel 5 Series/3400 Series",	0},
108 	{0x1c028086, 0x00, "Intel Cougar Point",	0},
109 	{0x1c038086, 0x00, "Intel Cougar Point",	0},
110 	{0x1c048086, 0x00, "Intel Cougar Point",	0},
111 	{0x1c058086, 0x00, "Intel Cougar Point",	0},
112 	{0x1d028086, 0x00, "Intel Patsburg",	0},
113 	{0x1d048086, 0x00, "Intel Patsburg",	0},
114 	{0x1d068086, 0x00, "Intel Patsburg",	0},
115 	{0x28268086, 0x00, "Intel Patsburg (RAID)",	0},
116 	{0x1e028086, 0x00, "Intel Panther Point",	0},
117 	{0x1e038086, 0x00, "Intel Panther Point",	0},
118 	{0x1e048086, 0x00, "Intel Panther Point (RAID)",	0},
119 	{0x1e058086, 0x00, "Intel Panther Point (RAID)",	0},
120 	{0x1e068086, 0x00, "Intel Panther Point (RAID)",	0},
121 	{0x1e078086, 0x00, "Intel Panther Point (RAID)",	0},
122 	{0x1e0e8086, 0x00, "Intel Panther Point (RAID)",	0},
123 	{0x1e0f8086, 0x00, "Intel Panther Point (RAID)",	0},
124 	{0x1f228086, 0x00, "Intel Avoton",	0},
125 	{0x1f238086, 0x00, "Intel Avoton",	0},
126 	{0x1f248086, 0x00, "Intel Avoton (RAID)",	0},
127 	{0x1f258086, 0x00, "Intel Avoton (RAID)",	0},
128 	{0x1f268086, 0x00, "Intel Avoton (RAID)",	0},
129 	{0x1f278086, 0x00, "Intel Avoton (RAID)",	0},
130 	{0x1f2e8086, 0x00, "Intel Avoton (RAID)",	0},
131 	{0x1f2f8086, 0x00, "Intel Avoton (RAID)",	0},
132 	{0x1f328086, 0x00, "Intel Avoton",	0},
133 	{0x1f338086, 0x00, "Intel Avoton",	0},
134 	{0x1f348086, 0x00, "Intel Avoton (RAID)",	0},
135 	{0x1f358086, 0x00, "Intel Avoton (RAID)",	0},
136 	{0x1f368086, 0x00, "Intel Avoton (RAID)",	0},
137 	{0x1f378086, 0x00, "Intel Avoton (RAID)",	0},
138 	{0x1f3e8086, 0x00, "Intel Avoton (RAID)",	0},
139 	{0x1f3f8086, 0x00, "Intel Avoton (RAID)",	0},
140 	{0x23a38086, 0x00, "Intel Coleto Creek",        0},
141 	{0x28238086, 0x00, "Intel Wellsburg (RAID)",	0},
142 	{0x28278086, 0x00, "Intel Wellsburg (RAID)",	0},
143 	{0x8c028086, 0x00, "Intel Lynx Point",	0},
144 	{0x8c038086, 0x00, "Intel Lynx Point",	0},
145 	{0x8c048086, 0x00, "Intel Lynx Point (RAID)",	0},
146 	{0x8c058086, 0x00, "Intel Lynx Point (RAID)",	0},
147 	{0x8c068086, 0x00, "Intel Lynx Point (RAID)",	0},
148 	{0x8c078086, 0x00, "Intel Lynx Point (RAID)",	0},
149 	{0x8c0e8086, 0x00, "Intel Lynx Point (RAID)",	0},
150 	{0x8c0f8086, 0x00, "Intel Lynx Point (RAID)",	0},
151 	{0x8d028086, 0x00, "Intel Wellsburg",	0},
152 	{0x8d048086, 0x00, "Intel Wellsburg (RAID)",	0},
153 	{0x8d068086, 0x00, "Intel Wellsburg (RAID)",	0},
154 	{0x8d628086, 0x00, "Intel Wellsburg",	0},
155 	{0x8d648086, 0x00, "Intel Wellsburg (RAID)",	0},
156 	{0x8d668086, 0x00, "Intel Wellsburg (RAID)",	0},
157 	{0x8d6e8086, 0x00, "Intel Wellsburg (RAID)",	0},
158 	{0x9c028086, 0x00, "Intel Lynx Point-LP",	0},
159 	{0x9c038086, 0x00, "Intel Lynx Point-LP",	0},
160 	{0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
161 	{0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
162 	{0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
163 	{0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
164 	{0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
165 	{0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)",	0},
166 	{0x23238086, 0x00, "Intel DH89xxCC",	0},
167 	{0x2360197b, 0x00, "JMicron JMB360",	0},
168 	{0x2361197b, 0x00, "JMicron JMB361",	AHCI_Q_NOFORCE},
169 	{0x2362197b, 0x00, "JMicron JMB362",	0},
170 	{0x2363197b, 0x00, "JMicron JMB363",	AHCI_Q_NOFORCE},
171 	{0x2365197b, 0x00, "JMicron JMB365",	AHCI_Q_NOFORCE},
172 	{0x2366197b, 0x00, "JMicron JMB366",	AHCI_Q_NOFORCE},
173 	{0x2368197b, 0x00, "JMicron JMB368",	AHCI_Q_NOFORCE},
174 	{0x611111ab, 0x00, "Marvell 88SE6111",	AHCI_Q_NOFORCE | AHCI_Q_1CH |
175 	    AHCI_Q_EDGEIS},
176 	{0x612111ab, 0x00, "Marvell 88SE6121",	AHCI_Q_NOFORCE | AHCI_Q_2CH |
177 	    AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
178 	{0x614111ab, 0x00, "Marvell 88SE6141",	AHCI_Q_NOFORCE | AHCI_Q_4CH |
179 	    AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
180 	{0x614511ab, 0x00, "Marvell 88SE6145",	AHCI_Q_NOFORCE | AHCI_Q_4CH |
181 	    AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
182 	{0x91201b4b, 0x00, "Marvell 88SE912x",	AHCI_Q_EDGEIS},
183 	{0x91231b4b, 0x11, "Marvell 88SE912x",	AHCI_Q_ALTSIG},
184 	{0x91231b4b, 0x00, "Marvell 88SE912x",	AHCI_Q_EDGEIS|AHCI_Q_SATA2},
185 	{0x91251b4b, 0x00, "Marvell 88SE9125",	0},
186 	{0x91281b4b, 0x00, "Marvell 88SE9128",	AHCI_Q_ALTSIG},
187 	{0x91301b4b, 0x00, "Marvell 88SE9130",  AHCI_Q_ALTSIG},
188 	{0x91721b4b, 0x00, "Marvell 88SE9172",	0},
189 	{0x91821b4b, 0x00, "Marvell 88SE9182",	0},
190 	{0x91831b4b, 0x00, "Marvell 88SS9183",	0},
191 	{0x91a01b4b, 0x00, "Marvell 88SE91Ax",	0},
192 	{0x92151b4b, 0x00, "Marvell 88SE9215",  0},
193 	{0x92201b4b, 0x00, "Marvell 88SE9220",  AHCI_Q_ALTSIG},
194 	{0x92301b4b, 0x00, "Marvell 88SE9230",  AHCI_Q_ALTSIG},
195 	{0x92351b4b, 0x00, "Marvell 88SE9235",  0},
196 	{0x06201103, 0x00, "HighPoint RocketRAID 620",	0},
197 	{0x06201b4b, 0x00, "HighPoint RocketRAID 620",	0},
198 	{0x06221103, 0x00, "HighPoint RocketRAID 622",	0},
199 	{0x06221b4b, 0x00, "HighPoint RocketRAID 622",	0},
200 	{0x06401103, 0x00, "HighPoint RocketRAID 640",	0},
201 	{0x06401b4b, 0x00, "HighPoint RocketRAID 640",	0},
202 	{0x06441103, 0x00, "HighPoint RocketRAID 644",	0},
203 	{0x06441b4b, 0x00, "HighPoint RocketRAID 644",	0},
204 	{0x06411103, 0x00, "HighPoint RocketRAID 640L",	0},
205 	{0x06421103, 0x00, "HighPoint RocketRAID 642L",	0},
206 	{0x06451103, 0x00, "HighPoint RocketRAID 644L",	0},
207 	{0x044c10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
208 	{0x044d10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
209 	{0x044e10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
210 	{0x044f10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
211 	{0x045c10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
212 	{0x045d10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
213 	{0x045e10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
214 	{0x045f10de, 0x00, "NVIDIA MCP65",	AHCI_Q_NOAA},
215 	{0x055010de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
216 	{0x055110de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
217 	{0x055210de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
218 	{0x055310de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
219 	{0x055410de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
220 	{0x055510de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
221 	{0x055610de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
222 	{0x055710de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
223 	{0x055810de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
224 	{0x055910de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
225 	{0x055A10de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
226 	{0x055B10de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
227 	{0x058410de, 0x00, "NVIDIA MCP67",	AHCI_Q_NOAA},
228 	{0x07f010de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
229 	{0x07f110de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
230 	{0x07f210de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
231 	{0x07f310de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
232 	{0x07f410de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
233 	{0x07f510de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
234 	{0x07f610de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
235 	{0x07f710de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
236 	{0x07f810de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
237 	{0x07f910de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
238 	{0x07fa10de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
239 	{0x07fb10de, 0x00, "NVIDIA MCP73",	AHCI_Q_NOAA},
240 	{0x0ad010de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
241 	{0x0ad110de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
242 	{0x0ad210de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
243 	{0x0ad310de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
244 	{0x0ad410de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
245 	{0x0ad510de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
246 	{0x0ad610de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
247 	{0x0ad710de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
248 	{0x0ad810de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
249 	{0x0ad910de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
250 	{0x0ada10de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
251 	{0x0adb10de, 0x00, "NVIDIA MCP77",	AHCI_Q_NOAA},
252 	{0x0ab410de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
253 	{0x0ab510de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
254 	{0x0ab610de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
255 	{0x0ab710de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
256 	{0x0ab810de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
257 	{0x0ab910de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
258 	{0x0aba10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
259 	{0x0abb10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
260 	{0x0abc10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
261 	{0x0abd10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
262 	{0x0abe10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
263 	{0x0abf10de, 0x00, "NVIDIA MCP79",	AHCI_Q_NOAA},
264 	{0x0d8410de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
265 	{0x0d8510de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOFORCE|AHCI_Q_NOAA},
266 	{0x0d8610de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
267 	{0x0d8710de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
268 	{0x0d8810de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
269 	{0x0d8910de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
270 	{0x0d8a10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
271 	{0x0d8b10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
272 	{0x0d8c10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
273 	{0x0d8d10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
274 	{0x0d8e10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
275 	{0x0d8f10de, 0x00, "NVIDIA MCP89",	AHCI_Q_NOAA},
276 	{0x3781105a, 0x00, "Promise TX8660",	0},
277 	{0x33491106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
278 	{0x62871106, 0x00, "VIA VT8251",	AHCI_Q_NOPMP|AHCI_Q_NONCQ},
279 	{0x11841039, 0x00, "SiS 966",		0},
280 	{0x11851039, 0x00, "SiS 968",		0},
281 	{0x01861039, 0x00, "SiS 968",		0},
282 	{0x00000000, 0x00, NULL,		0}
283 };
284 
285 static int
286 ahci_pci_ctlr_reset(device_t dev)
287 {
288 
289 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 &&
290 	    (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04)
291 		pci_write_config(dev, 0x92, 0x01, 1);
292 	return ahci_ctlr_reset(dev);
293 }
294 
295 static int
296 ahci_probe(device_t dev)
297 {
298 	char buf[64];
299 	int i, valid = 0;
300 	uint32_t devid = pci_get_devid(dev);
301 	uint8_t revid = pci_get_revid(dev);
302 
303 	/*
304 	 * Ensure it is not a PCI bridge (some vendors use
305 	 * the same PID and VID in PCI bridge and AHCI cards).
306 	 */
307 	if (pci_get_class(dev) == PCIC_BRIDGE)
308 		return (ENXIO);
309 
310 	/* Is this a possible AHCI candidate? */
311 	if (pci_get_class(dev) == PCIC_STORAGE &&
312 	    pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
313 	    pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0)
314 		valid = 1;
315 	/* Is this a known AHCI chip? */
316 	for (i = 0; ahci_ids[i].id != 0; i++) {
317 		if (ahci_ids[i].id == devid &&
318 		    ahci_ids[i].rev <= revid &&
319 		    (valid || (force_ahci == 1 &&
320 		     !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) {
321 			/* Do not attach JMicrons with single PCI function. */
322 			if (pci_get_vendor(dev) == 0x197b &&
323 			    (pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
324 				return (ENXIO);
325 			snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
326 			    ahci_ids[i].name);
327 			device_set_desc_copy(dev, buf);
328 			return (BUS_PROBE_VENDOR);
329 		}
330 	}
331 	if (!valid)
332 		return (ENXIO);
333 	device_set_desc_copy(dev, "AHCI SATA controller");
334 	return (BUS_PROBE_VENDOR);
335 }
336 
337 static int
338 ahci_ata_probe(device_t dev)
339 {
340 	char buf[64];
341 	int i;
342 	uint32_t devid = pci_get_devid(dev);
343 	uint8_t revid = pci_get_revid(dev);
344 
345 	if ((intptr_t)device_get_ivars(dev) >= 0)
346 		return (ENXIO);
347 	/* Is this a known AHCI chip? */
348 	for (i = 0; ahci_ids[i].id != 0; i++) {
349 		if (ahci_ids[i].id == devid &&
350 		    ahci_ids[i].rev <= revid) {
351 			snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
352 			    ahci_ids[i].name);
353 			device_set_desc_copy(dev, buf);
354 			return (BUS_PROBE_VENDOR);
355 		}
356 	}
357 	device_set_desc_copy(dev, "AHCI SATA controller");
358 	return (BUS_PROBE_VENDOR);
359 }
360 
361 static int
362 ahci_pci_attach(device_t dev)
363 {
364 	struct ahci_controller *ctlr = device_get_softc(dev);
365 	int	error, i;
366 	uint32_t devid = pci_get_devid(dev);
367 	uint8_t revid = pci_get_revid(dev);
368 
369 	i = 0;
370 	while (ahci_ids[i].id != 0 &&
371 	    (ahci_ids[i].id != devid ||
372 	     ahci_ids[i].rev > revid))
373 		i++;
374 	ctlr->quirks = ahci_ids[i].quirks;
375 	/* Limit speed for my onboard JMicron external port.
376 	 * It is not eSATA really, limit to SATA 1 */
377 	if (pci_get_devid(dev) == 0x2363197b &&
378 	    pci_get_subvendor(dev) == 0x1043 &&
379 	    pci_get_subdevice(dev) == 0x81e4)
380 		ctlr->quirks |= AHCI_Q_SATA1_UNIT0;
381 	/* if we have a memory BAR(5) we are likely on an AHCI part */
382 	ctlr->vendorid = pci_get_vendor(dev);
383 	ctlr->deviceid = pci_get_device(dev);
384 	ctlr->subvendorid = pci_get_subvendor(dev);
385 	ctlr->subdeviceid = pci_get_subdevice(dev);
386 	ctlr->r_rid = PCIR_BAR(5);
387 	if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
388 	    &ctlr->r_rid, RF_ACTIVE)))
389 		return ENXIO;
390 	pci_enable_busmaster(dev);
391 	/* Reset controller */
392 	if ((error = ahci_pci_ctlr_reset(dev)) != 0) {
393 		bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
394 		return (error);
395 	};
396 
397 	/* Setup interrupts. */
398 
399 	/* Setup MSI register parameters */
400 	ctlr->msi = 2;
401 	/* Process hints. */
402 	if (ctlr->quirks & AHCI_Q_NOMSI)
403 		ctlr->msi = 0;
404 	resource_int_value(device_get_name(dev),
405 	    device_get_unit(dev), "msi", &ctlr->msi);
406 	ctlr->numirqs = 1;
407 	if (ctlr->msi < 0)
408 		ctlr->msi = 0;
409 	else if (ctlr->msi == 1)
410 		ctlr->msi = min(1, pci_msi_count(dev));
411 	else if (ctlr->msi > 1) {
412 		ctlr->msi = 2;
413 		ctlr->numirqs = pci_msi_count(dev);
414 	}
415 	/* Allocate MSI if needed/present. */
416 	if (ctlr->msi && pci_alloc_msi(dev, &ctlr->numirqs) != 0) {
417 		ctlr->msi = 0;
418 		ctlr->numirqs = 1;
419 	}
420 
421 	error = ahci_attach(dev);
422 	if (error != 0)
423 		if (ctlr->msi)
424 			pci_release_msi(dev);
425 	return error;
426 }
427 
428 static int
429 ahci_pci_detach(device_t dev)
430 {
431 
432 	ahci_detach(dev);
433 	pci_release_msi(dev);
434 	return (0);
435 }
436 
437 static int
438 ahci_pci_suspend(device_t dev)
439 {
440 	struct ahci_controller *ctlr = device_get_softc(dev);
441 
442 	bus_generic_suspend(dev);
443 	/* Disable interupts, so the state change(s) doesn't trigger */
444 	ATA_OUTL(ctlr->r_mem, AHCI_GHC,
445 	     ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE));
446 	return 0;
447 }
448 
449 static int
450 ahci_pci_resume(device_t dev)
451 {
452 	int res;
453 
454 	if ((res = ahci_pci_ctlr_reset(dev)) != 0)
455 		return (res);
456 	ahci_ctlr_setup(dev);
457 	return (bus_generic_resume(dev));
458 }
459 
460 devclass_t ahci_devclass;
461 static device_method_t ahci_methods[] = {
462 	DEVMETHOD(device_probe,     ahci_probe),
463 	DEVMETHOD(device_attach,    ahci_pci_attach),
464 	DEVMETHOD(device_detach,    ahci_pci_detach),
465 	DEVMETHOD(device_suspend,   ahci_pci_suspend),
466 	DEVMETHOD(device_resume,    ahci_pci_resume),
467 	DEVMETHOD(bus_print_child,  ahci_print_child),
468 	DEVMETHOD(bus_alloc_resource,       ahci_alloc_resource),
469 	DEVMETHOD(bus_release_resource,     ahci_release_resource),
470 	DEVMETHOD(bus_setup_intr,   ahci_setup_intr),
471 	DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
472 	DEVMETHOD(bus_child_location_str, ahci_child_location_str),
473 	DEVMETHOD(bus_get_dma_tag,  ahci_get_dma_tag),
474 	{ 0, 0 }
475 };
476 static driver_t ahci_driver = {
477         "ahci",
478         ahci_methods,
479         sizeof(struct ahci_controller)
480 };
481 DRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, 0, 0);
482 static device_method_t ahci_ata_methods[] = {
483 	DEVMETHOD(device_probe,     ahci_ata_probe),
484 	DEVMETHOD(device_attach,    ahci_pci_attach),
485 	DEVMETHOD(device_detach,    ahci_pci_detach),
486 	DEVMETHOD(device_suspend,   ahci_pci_suspend),
487 	DEVMETHOD(device_resume,    ahci_pci_resume),
488 	DEVMETHOD(bus_print_child,  ahci_print_child),
489 	DEVMETHOD(bus_alloc_resource,       ahci_alloc_resource),
490 	DEVMETHOD(bus_release_resource,     ahci_release_resource),
491 	DEVMETHOD(bus_setup_intr,   ahci_setup_intr),
492 	DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
493 	DEVMETHOD(bus_child_location_str, ahci_child_location_str),
494 	{ 0, 0 }
495 };
496 static driver_t ahci_ata_driver = {
497         "ahci",
498         ahci_ata_methods,
499         sizeof(struct ahci_controller)
500 };
501 DRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, 0, 0);
502