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Documentation: explain [KMG] parameter suffix
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / ata / ahci.c
blobb8d96ce37fc99798af81a27a2604f890cf6c4518
1 /*
2 * ahci.c - AHCI SATA support
3 *
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
6 * on emails.
7 *
8 * Copyright 2004-2005 Red Hat, Inc.
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 *
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
28 *
29 * AHCI hardware documentation:
30 * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf
31 * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf
32 *
33 */
34
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/pci.h>
38 #include <linux/init.h>
39 #include <linux/blkdev.h>
40 #include <linux/delay.h>
41 #include <linux/interrupt.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/device.h>
44 #include <linux/dmi.h>
45 #include <linux/gfp.h>
46 #include <scsi/scsi_host.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <linux/libata.h>
49 #include "ahci.h"
50
51 #define DRV_NAME "ahci"
52 #define DRV_VERSION "3.0"
53
54 enum {
55 AHCI_PCI_BAR = 5,
56 };
57
58 enum board_ids {
59 /* board IDs by feature in alphabetical order */
60 board_ahci,
61 board_ahci_ign_iferr,
62 board_ahci_nosntf,
63 board_ahci_yes_fbs,
64
65 /* board IDs for specific chipsets in alphabetical order */
66 board_ahci_mcp65,
67 board_ahci_mcp77,
68 board_ahci_mcp89,
69 board_ahci_mv,
70 board_ahci_sb600,
71 board_ahci_sb700, /* for SB700 and SB800 */
72 board_ahci_vt8251,
73
74 /* aliases */
75 board_ahci_mcp_linux = board_ahci_mcp65,
76 board_ahci_mcp67 = board_ahci_mcp65,
77 board_ahci_mcp73 = board_ahci_mcp65,
78 board_ahci_mcp79 = board_ahci_mcp77,
79 };
80
81 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
82 static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
83 unsigned long deadline);
84 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
85 unsigned long deadline);
86 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
87 unsigned long deadline);
88 #ifdef CONFIG_PM
89 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
90 static int ahci_pci_device_resume(struct pci_dev *pdev);
91 #endif
92
93 static struct scsi_host_template ahci_sht = {
94 AHCI_SHT("ahci"),
95 };
96
97 static struct ata_port_operations ahci_vt8251_ops = {
98 .inherits = &ahci_ops,
99 .hardreset = ahci_vt8251_hardreset,
100 };
101
102 static struct ata_port_operations ahci_p5wdh_ops = {
103 .inherits = &ahci_ops,
104 .hardreset = ahci_p5wdh_hardreset,
105 };
106
107 static struct ata_port_operations ahci_sb600_ops = {
108 .inherits = &ahci_ops,
109 .softreset = ahci_sb600_softreset,
110 .pmp_softreset = ahci_sb600_softreset,
111 };
112
113 #define AHCI_HFLAGS(flags) .private_data = (void *)(flags)
114
115 static const struct ata_port_info ahci_port_info[] = {
116 /* by features */
117 [board_ahci] =
118 {
119 .flags = AHCI_FLAG_COMMON,
120 .pio_mask = ATA_PIO4,
121 .udma_mask = ATA_UDMA6,
122 .port_ops = &ahci_ops,
123 },
124 [board_ahci_ign_iferr] =
125 {
126 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
127 .flags = AHCI_FLAG_COMMON,
128 .pio_mask = ATA_PIO4,
129 .udma_mask = ATA_UDMA6,
130 .port_ops = &ahci_ops,
131 },
132 [board_ahci_nosntf] =
133 {
134 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
135 .flags = AHCI_FLAG_COMMON,
136 .pio_mask = ATA_PIO4,
137 .udma_mask = ATA_UDMA6,
138 .port_ops = &ahci_ops,
139 },
140 [board_ahci_yes_fbs] =
141 {
142 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
143 .flags = AHCI_FLAG_COMMON,
144 .pio_mask = ATA_PIO4,
145 .udma_mask = ATA_UDMA6,
146 .port_ops = &ahci_ops,
147 },
148 /* by chipsets */
149 [board_ahci_mcp65] =
150 {
151 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
152 AHCI_HFLAG_YES_NCQ),
153 .flags = AHCI_FLAG_COMMON,
154 .pio_mask = ATA_PIO4,
155 .udma_mask = ATA_UDMA6,
156 .port_ops = &ahci_ops,
157 },
158 [board_ahci_mcp77] =
159 {
160 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
161 .flags = AHCI_FLAG_COMMON,
162 .pio_mask = ATA_PIO4,
163 .udma_mask = ATA_UDMA6,
164 .port_ops = &ahci_ops,
165 },
166 [board_ahci_mcp89] =
167 {
168 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
169 .flags = AHCI_FLAG_COMMON,
170 .pio_mask = ATA_PIO4,
171 .udma_mask = ATA_UDMA6,
172 .port_ops = &ahci_ops,
173 },
174 [board_ahci_mv] =
175 {
176 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
177 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
178 .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
179 ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
180 .pio_mask = ATA_PIO4,
181 .udma_mask = ATA_UDMA6,
182 .port_ops = &ahci_ops,
183 },
184 [board_ahci_sb600] =
185 {
186 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
187 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
188 AHCI_HFLAG_32BIT_ONLY),
189 .flags = AHCI_FLAG_COMMON,
190 .pio_mask = ATA_PIO4,
191 .udma_mask = ATA_UDMA6,
192 .port_ops = &ahci_sb600_ops,
193 },
194 [board_ahci_sb700] = /* for SB700 and SB800 */
195 {
196 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
197 .flags = AHCI_FLAG_COMMON,
198 .pio_mask = ATA_PIO4,
199 .udma_mask = ATA_UDMA6,
200 .port_ops = &ahci_sb600_ops,
201 },
202 [board_ahci_vt8251] =
203 {
204 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
205 .flags = AHCI_FLAG_COMMON,
206 .pio_mask = ATA_PIO4,
207 .udma_mask = ATA_UDMA6,
208 .port_ops = &ahci_vt8251_ops,
209 },
210 };
211
212 static const struct pci_device_id ahci_pci_tbl[] = {
213 /* Intel */
214 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
215 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
216 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
217 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
218 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
219 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
220 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
221 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
222 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
223 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
224 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
225 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
226 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
227 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
228 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
229 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
230 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
231 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
232 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
233 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
234 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
235 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
236 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
237 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
238 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
239 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
240 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
241 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
242 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
243 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
244 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
245 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
246 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
247 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
248 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
249 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
250 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
251 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
252 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
253 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
254 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
255 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
256 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
257 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
258 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
259 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
260 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
261 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
262 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
263 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
264
265 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
266 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
267 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
268
269 /* ATI */
270 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
271 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
272 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
273 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
274 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
275 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
276 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
277
278 /* AMD */
279 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
280 /* AMD is using RAID class only for ahci controllers */
281 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
282 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
283
284 /* VIA */
285 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
286 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
287
288 /* NVIDIA */
289 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
290 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
291 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
292 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
293 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
294 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
295 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
296 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
297 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
298 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
299 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
300 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
301 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
302 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
303 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
304 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
305 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
306 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
307 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
308 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
309 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
310 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
311 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
312 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
313 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
314 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
315 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
316 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
317 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
318 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
319 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
320 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
321 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
322 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
323 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
324 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
325 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
326 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
327 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
328 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
329 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
330 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
331 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
332 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
333 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
334 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
335 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
336 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
337 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
338 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
339 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
340 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
341 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
342 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
343 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
344 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
345 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
346 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
347 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
348 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
349 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
350 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
351 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
352 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
353 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
354 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
355 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
356 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
357 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
358 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
359 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
360 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
361 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
362 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
363 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
364 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
365 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
366 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
367 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
368 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
369 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
370 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
371 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
372 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
373
374 /* SiS */
375 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
376 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
377 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
378
379 /* Marvell */
380 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
381 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
382 { PCI_DEVICE(0x1b4b, 0x9123),
383 .class = PCI_CLASS_STORAGE_SATA_AHCI,
384 .class_mask = 0xffffff,
385 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
386
387 /* Promise */
388 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
389
390 /* Generic, PCI class code for AHCI */
391 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
392 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
393
394 { } /* terminate list */
395 };
396
397
398 static struct pci_driver ahci_pci_driver = {
399 .name = DRV_NAME,
400 .id_table = ahci_pci_tbl,
401 .probe = ahci_init_one,
402 .remove = ata_pci_remove_one,
403 #ifdef CONFIG_PM
404 .suspend = ahci_pci_device_suspend,
405 .resume = ahci_pci_device_resume,
406 #endif
407 };
408
409 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
410 static int marvell_enable;
411 #else
412 static int marvell_enable = 1;
413 #endif
414 module_param(marvell_enable, int, 0644);
415 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
416
417
418 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
419 struct ahci_host_priv *hpriv)
420 {
421 unsigned int force_port_map = 0;
422 unsigned int mask_port_map = 0;
423
424 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
425 dev_info(&pdev->dev, "JMB361 has only one port\n");
426 force_port_map = 1;
427 }
428
429 /*
430 * Temporary Marvell 6145 hack: PATA port presence
431 * is asserted through the standard AHCI port
432 * presence register, as bit 4 (counting from 0)
433 */
434 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
435 if (pdev->device == 0x6121)
436 mask_port_map = 0x3;
437 else
438 mask_port_map = 0xf;
439 dev_info(&pdev->dev,
440 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
441 }
442
443 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
444 mask_port_map);
445 }
446
447 static int ahci_pci_reset_controller(struct ata_host *host)
448 {
449 struct pci_dev *pdev = to_pci_dev(host->dev);
450
451 ahci_reset_controller(host);
452
453 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
454 struct ahci_host_priv *hpriv = host->private_data;
455 u16 tmp16;
456
457 /* configure PCS */
458 pci_read_config_word(pdev, 0x92, &tmp16);
459 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
460 tmp16 |= hpriv->port_map;
461 pci_write_config_word(pdev, 0x92, tmp16);
462 }
463 }
464
465 return 0;
466 }
467
468 static void ahci_pci_init_controller(struct ata_host *host)
469 {
470 struct ahci_host_priv *hpriv = host->private_data;
471 struct pci_dev *pdev = to_pci_dev(host->dev);
472 void __iomem *port_mmio;
473 u32 tmp;
474 int mv;
475
476 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
477 if (pdev->device == 0x6121)
478 mv = 2;
479 else
480 mv = 4;
481 port_mmio = __ahci_port_base(host, mv);
482
483 writel(0, port_mmio + PORT_IRQ_MASK);
484
485 /* clear port IRQ */
486 tmp = readl(port_mmio + PORT_IRQ_STAT);
487 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
488 if (tmp)
489 writel(tmp, port_mmio + PORT_IRQ_STAT);
490 }
491
492 ahci_init_controller(host);
493 }
494
495 static int ahci_sb600_check_ready(struct ata_link *link)
496 {
497 void __iomem *port_mmio = ahci_port_base(link->ap);
498 u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
499 u32 irq_status = readl(port_mmio + PORT_IRQ_STAT);
500
501 /*
502 * There is no need to check TFDATA if BAD PMP is found due to HW bug,
503 * which can save timeout delay.
504 */
505 if (irq_status & PORT_IRQ_BAD_PMP)
506 return -EIO;
507
508 return ata_check_ready(status);
509 }
510
511 static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
512 unsigned long deadline)
513 {
514 struct ata_port *ap = link->ap;
515 void __iomem *port_mmio = ahci_port_base(ap);
516 int pmp = sata_srst_pmp(link);
517 int rc;
518 u32 irq_sts;
519
520 DPRINTK("ENTER\n");
521
522 rc = ahci_do_softreset(link, class, pmp, deadline,
523 ahci_sb600_check_ready);
524
525 /*
526 * Soft reset fails on some ATI chips with IPMS set when PMP
527 * is enabled but SATA HDD/ODD is connected to SATA port,
528 * do soft reset again to port 0.
529 */
530 if (rc == -EIO) {
531 irq_sts = readl(port_mmio + PORT_IRQ_STAT);
532 if (irq_sts & PORT_IRQ_BAD_PMP) {
533 ata_link_printk(link, KERN_WARNING,
534 "applying SB600 PMP SRST workaround "
535 "and retrying\n");
536 rc = ahci_do_softreset(link, class, 0, deadline,
537 ahci_check_ready);
538 }
539 }
540
541 return rc;
542 }
543
544 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
545 unsigned long deadline)
546 {
547 struct ata_port *ap = link->ap;
548 bool online;
549 int rc;
550
551 DPRINTK("ENTER\n");
552
553 ahci_stop_engine(ap);
554
555 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
556 deadline, &online, NULL);
557
558 ahci_start_engine(ap);
559
560 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
561
562 /* vt8251 doesn't clear BSY on signature FIS reception,
563 * request follow-up softreset.
564 */
565 return online ? -EAGAIN : rc;
566 }
567
568 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
569 unsigned long deadline)
570 {
571 struct ata_port *ap = link->ap;
572 struct ahci_port_priv *pp = ap->private_data;
573 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
574 struct ata_taskfile tf;
575 bool online;
576 int rc;
577
578 ahci_stop_engine(ap);
579
580 /* clear D2H reception area to properly wait for D2H FIS */
581 ata_tf_init(link->device, &tf);
582 tf.command = 0x80;
583 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
584
585 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
586 deadline, &online, NULL);
587
588 ahci_start_engine(ap);
589
590 /* The pseudo configuration device on SIMG4726 attached to
591 * ASUS P5W-DH Deluxe doesn't send signature FIS after
592 * hardreset if no device is attached to the first downstream
593 * port && the pseudo device locks up on SRST w/ PMP==0. To
594 * work around this, wait for !BSY only briefly. If BSY isn't
595 * cleared, perform CLO and proceed to IDENTIFY (achieved by
596 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
597 *
598 * Wait for two seconds. Devices attached to downstream port
599 * which can't process the following IDENTIFY after this will
600 * have to be reset again. For most cases, this should
601 * suffice while making probing snappish enough.
602 */
603 if (online) {
604 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
605 ahci_check_ready);
606 if (rc)
607 ahci_kick_engine(ap);
608 }
609 return rc;
610 }
611
612 #ifdef CONFIG_PM
613 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
614 {
615 struct ata_host *host = dev_get_drvdata(&pdev->dev);
616 struct ahci_host_priv *hpriv = host->private_data;
617 void __iomem *mmio = hpriv->mmio;
618 u32 ctl;
619
620 if (mesg.event & PM_EVENT_SUSPEND &&
621 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
622 dev_printk(KERN_ERR, &pdev->dev,
623 "BIOS update required for suspend/resume\n");
624 return -EIO;
625 }
626
627 if (mesg.event & PM_EVENT_SLEEP) {
628 /* AHCI spec rev1.1 section 8.3.3:
629 * Software must disable interrupts prior to requesting a
630 * transition of the HBA to D3 state.
631 */
632 ctl = readl(mmio + HOST_CTL);
633 ctl &= ~HOST_IRQ_EN;
634 writel(ctl, mmio + HOST_CTL);
635 readl(mmio + HOST_CTL); /* flush */
636 }
637
638 return ata_pci_device_suspend(pdev, mesg);
639 }
640
641 static int ahci_pci_device_resume(struct pci_dev *pdev)
642 {
643 struct ata_host *host = dev_get_drvdata(&pdev->dev);
644 int rc;
645
646 rc = ata_pci_device_do_resume(pdev);
647 if (rc)
648 return rc;
649
650 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
651 rc = ahci_pci_reset_controller(host);
652 if (rc)
653 return rc;
654
655 ahci_pci_init_controller(host);
656 }
657
658 ata_host_resume(host);
659
660 return 0;
661 }
662 #endif
663
664 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
665 {
666 int rc;
667
668 if (using_dac &&
669 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
670 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
671 if (rc) {
672 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
673 if (rc) {
674 dev_printk(KERN_ERR, &pdev->dev,
675 "64-bit DMA enable failed\n");
676 return rc;
677 }
678 }
679 } else {
680 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
681 if (rc) {
682 dev_printk(KERN_ERR, &pdev->dev,
683 "32-bit DMA enable failed\n");
684 return rc;
685 }
686 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
687 if (rc) {
688 dev_printk(KERN_ERR, &pdev->dev,
689 "32-bit consistent DMA enable failed\n");
690 return rc;
691 }
692 }
693 return 0;
694 }
695
696 static void ahci_pci_print_info(struct ata_host *host)
697 {
698 struct pci_dev *pdev = to_pci_dev(host->dev);
699 u16 cc;
700 const char *scc_s;
701
702 pci_read_config_word(pdev, 0x0a, &cc);
703 if (cc == PCI_CLASS_STORAGE_IDE)
704 scc_s = "IDE";
705 else if (cc == PCI_CLASS_STORAGE_SATA)
706 scc_s = "SATA";
707 else if (cc == PCI_CLASS_STORAGE_RAID)
708 scc_s = "RAID";
709 else
710 scc_s = "unknown";
711
712 ahci_print_info(host, scc_s);
713 }
714
715 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
716 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
717 * support PMP and the 4726 either directly exports the device
718 * attached to the first downstream port or acts as a hardware storage
719 * controller and emulate a single ATA device (can be RAID 0/1 or some
720 * other configuration).
721 *
722 * When there's no device attached to the first downstream port of the
723 * 4726, "Config Disk" appears, which is a pseudo ATA device to
724 * configure the 4726. However, ATA emulation of the device is very
725 * lame. It doesn't send signature D2H Reg FIS after the initial
726 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
727 *
728 * The following function works around the problem by always using
729 * hardreset on the port and not depending on receiving signature FIS
730 * afterward. If signature FIS isn't received soon, ATA class is
731 * assumed without follow-up softreset.
732 */
733 static void ahci_p5wdh_workaround(struct ata_host *host)
734 {
735 static struct dmi_system_id sysids[] = {
736 {
737 .ident = "P5W DH Deluxe",
738 .matches = {
739 DMI_MATCH(DMI_SYS_VENDOR,
740 "ASUSTEK COMPUTER INC"),
741 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
742 },
743 },
744 { }
745 };
746 struct pci_dev *pdev = to_pci_dev(host->dev);
747
748 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
749 dmi_check_system(sysids)) {
750 struct ata_port *ap = host->ports[1];
751
752 dev_printk(KERN_INFO, &pdev->dev, "enabling ASUS P5W DH "
753 "Deluxe on-board SIMG4726 workaround\n");
754
755 ap->ops = &ahci_p5wdh_ops;
756 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
757 }
758 }
759
760 /* only some SB600 ahci controllers can do 64bit DMA */
761 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
762 {
763 static const struct dmi_system_id sysids[] = {
764 /*
765 * The oldest version known to be broken is 0901 and
766 * working is 1501 which was released on 2007-10-26.
767 * Enable 64bit DMA on 1501 and anything newer.
768 *
769 * Please read bko#9412 for more info.
770 */
771 {
772 .ident = "ASUS M2A-VM",
773 .matches = {
774 DMI_MATCH(DMI_BOARD_VENDOR,
775 "ASUSTeK Computer INC."),
776 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
777 },
778 .driver_data = "20071026", /* yyyymmdd */
779 },
780 /*
781 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
782 * support 64bit DMA.
783 *
784 * BIOS versions earlier than 1.5 had the Manufacturer DMI
785 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
786 * This spelling mistake was fixed in BIOS version 1.5, so
787 * 1.5 and later have the Manufacturer as
788 * "MICRO-STAR INTERNATIONAL CO.,LTD".
789 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
790 *
791 * BIOS versions earlier than 1.9 had a Board Product Name
792 * DMI field of "MS-7376". This was changed to be
793 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
794 * match on DMI_BOARD_NAME of "MS-7376".
795 */
796 {
797 .ident = "MSI K9A2 Platinum",
798 .matches = {
799 DMI_MATCH(DMI_BOARD_VENDOR,
800 "MICRO-STAR INTER"),
801 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
802 },
803 },
804 { }
805 };
806 const struct dmi_system_id *match;
807 int year, month, date;
808 char buf[9];
809
810 match = dmi_first_match(sysids);
811 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
812 !match)
813 return false;
814
815 if (!match->driver_data)
816 goto enable_64bit;
817
818 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
819 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
820
821 if (strcmp(buf, match->driver_data) >= 0)
822 goto enable_64bit;
823 else {
824 dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, "
825 "forcing 32bit DMA, update BIOS\n", match->ident);
826 return false;
827 }
828
829 enable_64bit:
830 dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n",
831 match->ident);
832 return true;
833 }
834
835 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
836 {
837 static const struct dmi_system_id broken_systems[] = {
838 {
839 .ident = "HP Compaq nx6310",
840 .matches = {
841 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
842 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
843 },
844 /* PCI slot number of the controller */
845 .driver_data = (void *)0x1FUL,
846 },
847 {
848 .ident = "HP Compaq 6720s",
849 .matches = {
850 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
851 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
852 },
853 /* PCI slot number of the controller */
854 .driver_data = (void *)0x1FUL,
855 },
856
857 { } /* terminate list */
858 };
859 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
860
861 if (dmi) {
862 unsigned long slot = (unsigned long)dmi->driver_data;
863 /* apply the quirk only to on-board controllers */
864 return slot == PCI_SLOT(pdev->devfn);
865 }
866
867 return false;
868 }
869
870 static bool ahci_broken_suspend(struct pci_dev *pdev)
871 {
872 static const struct dmi_system_id sysids[] = {
873 /*
874 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
875 * to the harddisk doesn't become online after
876 * resuming from STR. Warn and fail suspend.
877 *
878 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
879 *
880 * Use dates instead of versions to match as HP is
881 * apparently recycling both product and version
882 * strings.
883 *
884 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
885 */
886 {
887 .ident = "dv4",
888 .matches = {
889 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
890 DMI_MATCH(DMI_PRODUCT_NAME,
891 "HP Pavilion dv4 Notebook PC"),
892 },
893 .driver_data = "20090105", /* F.30 */
894 },
895 {
896 .ident = "dv5",
897 .matches = {
898 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
899 DMI_MATCH(DMI_PRODUCT_NAME,
900 "HP Pavilion dv5 Notebook PC"),
901 },
902 .driver_data = "20090506", /* F.16 */
903 },
904 {
905 .ident = "dv6",
906 .matches = {
907 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
908 DMI_MATCH(DMI_PRODUCT_NAME,
909 "HP Pavilion dv6 Notebook PC"),
910 },
911 .driver_data = "20090423", /* F.21 */
912 },
913 {
914 .ident = "HDX18",
915 .matches = {
916 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
917 DMI_MATCH(DMI_PRODUCT_NAME,
918 "HP HDX18 Notebook PC"),
919 },
920 .driver_data = "20090430", /* F.23 */
921 },
922 /*
923 * Acer eMachines G725 has the same problem. BIOS
924 * V1.03 is known to be broken. V3.04 is known to
925 * work. Inbetween, there are V1.06, V2.06 and V3.03
926 * that we don't have much idea about. For now,
927 * blacklist anything older than V3.04.
928 *
929 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
930 */
931 {
932 .ident = "G725",
933 .matches = {
934 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
935 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
936 },
937 .driver_data = "20091216", /* V3.04 */
938 },
939 { } /* terminate list */
940 };
941 const struct dmi_system_id *dmi = dmi_first_match(sysids);
942 int year, month, date;
943 char buf[9];
944
945 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
946 return false;
947
948 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
949 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
950
951 return strcmp(buf, dmi->driver_data) < 0;
952 }
953
954 static bool ahci_broken_online(struct pci_dev *pdev)
955 {
956 #define ENCODE_BUSDEVFN(bus, slot, func) \
957 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
958 static const struct dmi_system_id sysids[] = {
959 /*
960 * There are several gigabyte boards which use
961 * SIMG5723s configured as hardware RAID. Certain
962 * 5723 firmware revisions shipped there keep the link
963 * online but fail to answer properly to SRST or
964 * IDENTIFY when no device is attached downstream
965 * causing libata to retry quite a few times leading
966 * to excessive detection delay.
967 *
968 * As these firmwares respond to the second reset try
969 * with invalid device signature, considering unknown
970 * sig as offline works around the problem acceptably.
971 */
972 {
973 .ident = "EP45-DQ6",
974 .matches = {
975 DMI_MATCH(DMI_BOARD_VENDOR,
976 "Gigabyte Technology Co., Ltd."),
977 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
978 },
979 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
980 },
981 {
982 .ident = "EP45-DS5",
983 .matches = {
984 DMI_MATCH(DMI_BOARD_VENDOR,
985 "Gigabyte Technology Co., Ltd."),
986 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
987 },
988 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
989 },
990 { } /* terminate list */
991 };
992 #undef ENCODE_BUSDEVFN
993 const struct dmi_system_id *dmi = dmi_first_match(sysids);
994 unsigned int val;
995
996 if (!dmi)
997 return false;
998
999 val = (unsigned long)dmi->driver_data;
1000
1001 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1002 }
1003
1004 #ifdef CONFIG_ATA_ACPI
1005 static void ahci_gtf_filter_workaround(struct ata_host *host)
1006 {
1007 static const struct dmi_system_id sysids[] = {
1008 /*
1009 * Aspire 3810T issues a bunch of SATA enable commands
1010 * via _GTF including an invalid one and one which is
1011 * rejected by the device. Among the successful ones
1012 * is FPDMA non-zero offset enable which when enabled
1013 * only on the drive side leads to NCQ command
1014 * failures. Filter it out.
1015 */
1016 {
1017 .ident = "Aspire 3810T",
1018 .matches = {
1019 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1020 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1021 },
1022 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1023 },
1024 { }
1025 };
1026 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1027 unsigned int filter;
1028 int i;
1029
1030 if (!dmi)
1031 return;
1032
1033 filter = (unsigned long)dmi->driver_data;
1034 dev_printk(KERN_INFO, host->dev,
1035 "applying extra ACPI _GTF filter 0x%x for %s\n",
1036 filter, dmi->ident);
1037
1038 for (i = 0; i < host->n_ports; i++) {
1039 struct ata_port *ap = host->ports[i];
1040 struct ata_link *link;
1041 struct ata_device *dev;
1042
1043 ata_for_each_link(link, ap, EDGE)
1044 ata_for_each_dev(dev, link, ALL)
1045 dev->gtf_filter |= filter;
1046 }
1047 }
1048 #else
1049 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1050 {}
1051 #endif
1052
1053 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1054 {
1055 static int printed_version;
1056 unsigned int board_id = ent->driver_data;
1057 struct ata_port_info pi = ahci_port_info[board_id];
1058 const struct ata_port_info *ppi[] = { &pi, NULL };
1059 struct device *dev = &pdev->dev;
1060 struct ahci_host_priv *hpriv;
1061 struct ata_host *host;
1062 int n_ports, i, rc;
1063
1064 VPRINTK("ENTER\n");
1065
1066 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1067
1068 if (!printed_version++)
1069 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
1070
1071 /* The AHCI driver can only drive the SATA ports, the PATA driver
1072 can drive them all so if both drivers are selected make sure
1073 AHCI stays out of the way */
1074 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1075 return -ENODEV;
1076
1077 /*
1078 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1079 * ahci, use ata_generic instead.
1080 */
1081 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1082 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1083 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1084 pdev->subsystem_device == 0xcb89)
1085 return -ENODEV;
1086
1087 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1088 * At the moment, we can only use the AHCI mode. Let the users know
1089 * that for SAS drives they're out of luck.
1090 */
1091 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1092 dev_printk(KERN_INFO, &pdev->dev, "PDC42819 "
1093 "can only drive SATA devices with this driver\n");
1094
1095 /* acquire resources */
1096 rc = pcim_enable_device(pdev);
1097 if (rc)
1098 return rc;
1099
1100 /* AHCI controllers often implement SFF compatible interface.
1101 * Grab all PCI BARs just in case.
1102 */
1103 rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
1104 if (rc == -EBUSY)
1105 pcim_pin_device(pdev);
1106 if (rc)
1107 return rc;
1108
1109 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1110 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1111 u8 map;
1112
1113 /* ICH6s share the same PCI ID for both piix and ahci
1114 * modes. Enabling ahci mode while MAP indicates
1115 * combined mode is a bad idea. Yield to ata_piix.
1116 */
1117 pci_read_config_byte(pdev, ICH_MAP, &map);
1118 if (map & 0x3) {
1119 dev_printk(KERN_INFO, &pdev->dev, "controller is in "
1120 "combined mode, can't enable AHCI mode\n");
1121 return -ENODEV;
1122 }
1123 }
1124
1125 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1126 if (!hpriv)
1127 return -ENOMEM;
1128 hpriv->flags |= (unsigned long)pi.private_data;
1129
1130 /* MCP65 revision A1 and A2 can't do MSI */
1131 if (board_id == board_ahci_mcp65 &&
1132 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1133 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1134
1135 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1136 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1137 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1138
1139 /* only some SB600s can do 64bit DMA */
1140 if (ahci_sb600_enable_64bit(pdev))
1141 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1142
1143 if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
1144 pci_intx(pdev, 1);
1145
1146 hpriv->mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
1147
1148 /* save initial config */
1149 ahci_pci_save_initial_config(pdev, hpriv);
1150
1151 /* prepare host */
1152 if (hpriv->cap & HOST_CAP_NCQ) {
1153 pi.flags |= ATA_FLAG_NCQ;
1154 /*
1155 * Auto-activate optimization is supposed to be
1156 * supported on all AHCI controllers indicating NCQ
1157 * capability, but it seems to be broken on some
1158 * chipsets including NVIDIAs.
1159 */
1160 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1161 pi.flags |= ATA_FLAG_FPDMA_AA;
1162 }
1163
1164 if (hpriv->cap & HOST_CAP_PMP)
1165 pi.flags |= ATA_FLAG_PMP;
1166
1167 ahci_set_em_messages(hpriv, &pi);
1168
1169 if (ahci_broken_system_poweroff(pdev)) {
1170 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1171 dev_info(&pdev->dev,
1172 "quirky BIOS, skipping spindown on poweroff\n");
1173 }
1174
1175 if (ahci_broken_suspend(pdev)) {
1176 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1177 dev_printk(KERN_WARNING, &pdev->dev,
1178 "BIOS update required for suspend/resume\n");
1179 }
1180
1181 if (ahci_broken_online(pdev)) {
1182 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1183 dev_info(&pdev->dev,
1184 "online status unreliable, applying workaround\n");
1185 }
1186
1187 /* CAP.NP sometimes indicate the index of the last enabled
1188 * port, at other times, that of the last possible port, so
1189 * determining the maximum port number requires looking at
1190 * both CAP.NP and port_map.
1191 */
1192 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1193
1194 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1195 if (!host)
1196 return -ENOMEM;
1197 host->private_data = hpriv;
1198
1199 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1200 host->flags |= ATA_HOST_PARALLEL_SCAN;
1201 else
1202 printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
1203
1204 if (pi.flags & ATA_FLAG_EM)
1205 ahci_reset_em(host);
1206
1207 for (i = 0; i < host->n_ports; i++) {
1208 struct ata_port *ap = host->ports[i];
1209
1210 ata_port_pbar_desc(ap, AHCI_PCI_BAR, -1, "abar");
1211 ata_port_pbar_desc(ap, AHCI_PCI_BAR,
1212 0x100 + ap->port_no * 0x80, "port");
1213
1214 /* set enclosure management message type */
1215 if (ap->flags & ATA_FLAG_EM)
1216 ap->em_message_type = hpriv->em_msg_type;
1217
1218
1219 /* disabled/not-implemented port */
1220 if (!(hpriv->port_map & (1 << i)))
1221 ap->ops = &ata_dummy_port_ops;
1222 }
1223
1224 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1225 ahci_p5wdh_workaround(host);
1226
1227 /* apply gtf filter quirk */
1228 ahci_gtf_filter_workaround(host);
1229
1230 /* initialize adapter */
1231 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1232 if (rc)
1233 return rc;
1234
1235 rc = ahci_pci_reset_controller(host);
1236 if (rc)
1237 return rc;
1238
1239 ahci_pci_init_controller(host);
1240 ahci_pci_print_info(host);
1241
1242 pci_set_master(pdev);
1243 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1244 &ahci_sht);
1245 }
1246
1247 static int __init ahci_init(void)
1248 {
1249 return pci_register_driver(&ahci_pci_driver);
1250 }
1251
1252 static void __exit ahci_exit(void)
1253 {
1254 pci_unregister_driver(&ahci_pci_driver);
1255 }
1256
1257
1258 MODULE_AUTHOR("Jeff Garzik");
1259 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1260 MODULE_LICENSE("GPL");
1261 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1262 MODULE_VERSION(DRV_VERSION);
1263
1264 module_init(ahci_init);
1265 module_exit(ahci_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree