2 * ahci.c - AHCI SATA support
4 * Maintained by: Tejun Heo <tj@kernel.org>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
8 * Copyright 2004-2005 Red Hat, Inc.
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)
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.
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.
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
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
35 #include <linux/kernel.h>
36 #include <linux/module.h>
37 #include <linux/pci.h>
38 #include <linux/blkdev.h>
39 #include <linux/delay.h>
40 #include <linux/interrupt.h>
41 #include <linux/dma-mapping.h>
42 #include <linux/device.h>
43 #include <linux/dmi.h>
44 #include <linux/gfp.h>
45 #include <linux/msi.h>
46 #include <scsi/scsi_host.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <linux/libata.h>
51 #define DRV_NAME "ahci"
52 #define DRV_VERSION "3.0"
55 AHCI_PCI_BAR_STA2X11 = 0,
56 AHCI_PCI_BAR_CAVIUM = 0,
57 AHCI_PCI_BAR_ENMOTUS = 2,
58 AHCI_PCI_BAR_STANDARD = 5,
62 /* board IDs by feature in alphabetical order */
70 /* board IDs for specific chipsets in alphabetical order */
77 board_ahci_sb700, /* for SB700 and SB800 */
81 board_ahci_mcp_linux = board_ahci_mcp65,
82 board_ahci_mcp67 = board_ahci_mcp65,
83 board_ahci_mcp73 = board_ahci_mcp65,
84 board_ahci_mcp79 = board_ahci_mcp77,
87 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
88 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
89 unsigned long deadline);
90 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
91 unsigned long deadline);
92 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
93 static bool is_mcp89_apple(struct pci_dev *pdev);
94 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
95 unsigned long deadline);
97 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
98 static int ahci_pci_device_resume(struct pci_dev *pdev);
101 static struct scsi_host_template ahci_sht = {
105 static struct ata_port_operations ahci_vt8251_ops = {
106 .inherits = &ahci_ops,
107 .hardreset = ahci_vt8251_hardreset,
110 static struct ata_port_operations ahci_p5wdh_ops = {
111 .inherits = &ahci_ops,
112 .hardreset = ahci_p5wdh_hardreset,
115 static struct ata_port_operations ahci_avn_ops = {
116 .inherits = &ahci_ops,
117 .hardreset = ahci_avn_hardreset,
120 static const struct ata_port_info ahci_port_info[] = {
123 .flags = AHCI_FLAG_COMMON,
124 .pio_mask = ATA_PIO4,
125 .udma_mask = ATA_UDMA6,
126 .port_ops = &ahci_ops,
128 [board_ahci_ign_iferr] = {
129 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
130 .flags = AHCI_FLAG_COMMON,
131 .pio_mask = ATA_PIO4,
132 .udma_mask = ATA_UDMA6,
133 .port_ops = &ahci_ops,
135 [board_ahci_nomsi] = {
136 AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
137 .flags = AHCI_FLAG_COMMON,
138 .pio_mask = ATA_PIO4,
139 .udma_mask = ATA_UDMA6,
140 .port_ops = &ahci_ops,
142 [board_ahci_noncq] = {
143 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
144 .flags = AHCI_FLAG_COMMON,
145 .pio_mask = ATA_PIO4,
146 .udma_mask = ATA_UDMA6,
147 .port_ops = &ahci_ops,
149 [board_ahci_nosntf] = {
150 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
151 .flags = AHCI_FLAG_COMMON,
152 .pio_mask = ATA_PIO4,
153 .udma_mask = ATA_UDMA6,
154 .port_ops = &ahci_ops,
156 [board_ahci_yes_fbs] = {
157 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
158 .flags = AHCI_FLAG_COMMON,
159 .pio_mask = ATA_PIO4,
160 .udma_mask = ATA_UDMA6,
161 .port_ops = &ahci_ops,
165 .flags = AHCI_FLAG_COMMON,
166 .pio_mask = ATA_PIO4,
167 .udma_mask = ATA_UDMA6,
168 .port_ops = &ahci_avn_ops,
170 [board_ahci_mcp65] = {
171 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
173 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
174 .pio_mask = ATA_PIO4,
175 .udma_mask = ATA_UDMA6,
176 .port_ops = &ahci_ops,
178 [board_ahci_mcp77] = {
179 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
180 .flags = AHCI_FLAG_COMMON,
181 .pio_mask = ATA_PIO4,
182 .udma_mask = ATA_UDMA6,
183 .port_ops = &ahci_ops,
185 [board_ahci_mcp89] = {
186 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
187 .flags = AHCI_FLAG_COMMON,
188 .pio_mask = ATA_PIO4,
189 .udma_mask = ATA_UDMA6,
190 .port_ops = &ahci_ops,
193 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
194 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
195 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
196 .pio_mask = ATA_PIO4,
197 .udma_mask = ATA_UDMA6,
198 .port_ops = &ahci_ops,
200 [board_ahci_sb600] = {
201 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
202 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
203 AHCI_HFLAG_32BIT_ONLY),
204 .flags = AHCI_FLAG_COMMON,
205 .pio_mask = ATA_PIO4,
206 .udma_mask = ATA_UDMA6,
207 .port_ops = &ahci_pmp_retry_srst_ops,
209 [board_ahci_sb700] = { /* for SB700 and SB800 */
210 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
211 .flags = AHCI_FLAG_COMMON,
212 .pio_mask = ATA_PIO4,
213 .udma_mask = ATA_UDMA6,
214 .port_ops = &ahci_pmp_retry_srst_ops,
216 [board_ahci_vt8251] = {
217 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
218 .flags = AHCI_FLAG_COMMON,
219 .pio_mask = ATA_PIO4,
220 .udma_mask = ATA_UDMA6,
221 .port_ops = &ahci_vt8251_ops,
225 static const struct pci_device_id ahci_pci_tbl[] = {
227 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
228 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
229 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
230 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
231 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
232 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
233 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
234 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
235 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
236 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
237 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
238 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
239 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
240 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
241 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
242 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
243 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
244 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
245 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
246 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
247 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
248 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
249 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
250 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
251 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
252 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
253 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
254 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
255 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
256 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
257 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
258 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
259 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
260 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
261 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
262 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
263 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
264 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
265 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
266 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
267 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
268 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
269 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
270 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
271 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
272 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
273 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
274 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
275 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
276 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
277 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
278 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
279 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
280 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
281 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
282 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
283 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
284 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
285 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
286 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
287 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
288 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
289 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
290 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
291 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
292 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
293 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
294 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
295 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
296 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
297 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
298 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
299 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
300 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
301 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
302 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
303 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
304 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
305 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
306 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
307 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
308 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
309 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */
310 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */
311 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */
312 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */
313 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */
314 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
315 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
316 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
317 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
318 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
319 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
320 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
321 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
322 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
323 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
324 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
325 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
326 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
327 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
328 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
329 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
330 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
331 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
332 { PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
333 { PCI_VDEVICE(INTEL, 0x8c83), board_ahci }, /* 9 Series AHCI */
334 { PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
335 { PCI_VDEVICE(INTEL, 0x8c85), board_ahci }, /* 9 Series RAID */
336 { PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
337 { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
338 { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
339 { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
340 { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
341 { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
342 { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
343 { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
344 { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
345 { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
346 { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
348 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
349 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
350 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
351 /* JMicron 362B and 362C have an AHCI function with IDE class code */
352 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
353 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
354 /* May need to update quirk_jmicron_async_suspend() for additions */
357 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
358 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
359 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
360 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
361 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
362 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
363 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
366 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
367 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
368 /* AMD is using RAID class only for ahci controllers */
369 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
370 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
373 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
374 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
377 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
378 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
379 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
380 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
381 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
382 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
383 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
384 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
385 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
386 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
387 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
388 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
389 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
390 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
391 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
392 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
393 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
394 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
395 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
396 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
397 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
398 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
399 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
400 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
401 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
402 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
403 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
404 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
405 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
406 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
407 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
408 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
409 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
410 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
411 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
412 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
413 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
414 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
415 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
416 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
417 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
418 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
419 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
420 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
421 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
422 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
423 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
424 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
425 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
426 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
427 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
428 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
429 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
430 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
431 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
432 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
433 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
434 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
435 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
436 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
437 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
438 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
439 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
440 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
441 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
442 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
443 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
444 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
445 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
446 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
447 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
448 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
449 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
450 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
451 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
452 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
453 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
454 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
455 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
456 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
457 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
458 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
459 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
460 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
463 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
464 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
465 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
467 /* ST Microelectronics */
468 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
471 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
472 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
473 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
474 .class = PCI_CLASS_STORAGE_SATA_AHCI,
475 .class_mask = 0xffffff,
476 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
477 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
478 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
479 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
480 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
481 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
482 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
483 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
484 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
485 .driver_data = board_ahci_yes_fbs }, /* 88se9182 */
486 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182),
487 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
488 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
489 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
490 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
491 .driver_data = board_ahci_yes_fbs },
492 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
493 .driver_data = board_ahci_yes_fbs },
494 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
495 .driver_data = board_ahci_yes_fbs },
496 { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642),
497 .driver_data = board_ahci_yes_fbs },
500 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
501 { PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
504 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
505 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
506 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
507 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
510 * Samsung SSDs found on some macbooks. NCQ times out if MSI is
511 * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
513 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
514 { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
517 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
519 /* Generic, PCI class code for AHCI */
520 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
521 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
523 { } /* terminate list */
527 static struct pci_driver ahci_pci_driver = {
529 .id_table = ahci_pci_tbl,
530 .probe = ahci_init_one,
531 .remove = ata_pci_remove_one,
533 .suspend = ahci_pci_device_suspend,
534 .resume = ahci_pci_device_resume,
538 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
539 static int marvell_enable;
541 static int marvell_enable = 1;
543 module_param(marvell_enable, int, 0644);
544 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
547 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
548 struct ahci_host_priv *hpriv)
550 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
551 dev_info(&pdev->dev, "JMB361 has only one port\n");
552 hpriv->force_port_map = 1;
556 * Temporary Marvell 6145 hack: PATA port presence
557 * is asserted through the standard AHCI port
558 * presence register, as bit 4 (counting from 0)
560 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
561 if (pdev->device == 0x6121)
562 hpriv->mask_port_map = 0x3;
564 hpriv->mask_port_map = 0xf;
566 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
569 ahci_save_initial_config(&pdev->dev, hpriv);
572 static int ahci_pci_reset_controller(struct ata_host *host)
574 struct pci_dev *pdev = to_pci_dev(host->dev);
576 ahci_reset_controller(host);
578 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
579 struct ahci_host_priv *hpriv = host->private_data;
583 pci_read_config_word(pdev, 0x92, &tmp16);
584 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
585 tmp16 |= hpriv->port_map;
586 pci_write_config_word(pdev, 0x92, tmp16);
593 static void ahci_pci_init_controller(struct ata_host *host)
595 struct ahci_host_priv *hpriv = host->private_data;
596 struct pci_dev *pdev = to_pci_dev(host->dev);
597 void __iomem *port_mmio;
601 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
602 if (pdev->device == 0x6121)
606 port_mmio = __ahci_port_base(host, mv);
608 writel(0, port_mmio + PORT_IRQ_MASK);
611 tmp = readl(port_mmio + PORT_IRQ_STAT);
612 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
614 writel(tmp, port_mmio + PORT_IRQ_STAT);
617 ahci_init_controller(host);
620 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
621 unsigned long deadline)
623 struct ata_port *ap = link->ap;
624 struct ahci_host_priv *hpriv = ap->host->private_data;
630 ahci_stop_engine(ap);
632 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
633 deadline, &online, NULL);
635 hpriv->start_engine(ap);
637 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
639 /* vt8251 doesn't clear BSY on signature FIS reception,
640 * request follow-up softreset.
642 return online ? -EAGAIN : rc;
645 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
646 unsigned long deadline)
648 struct ata_port *ap = link->ap;
649 struct ahci_port_priv *pp = ap->private_data;
650 struct ahci_host_priv *hpriv = ap->host->private_data;
651 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
652 struct ata_taskfile tf;
656 ahci_stop_engine(ap);
658 /* clear D2H reception area to properly wait for D2H FIS */
659 ata_tf_init(link->device, &tf);
660 tf.command = ATA_BUSY;
661 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
663 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
664 deadline, &online, NULL);
666 hpriv->start_engine(ap);
668 /* The pseudo configuration device on SIMG4726 attached to
669 * ASUS P5W-DH Deluxe doesn't send signature FIS after
670 * hardreset if no device is attached to the first downstream
671 * port && the pseudo device locks up on SRST w/ PMP==0. To
672 * work around this, wait for !BSY only briefly. If BSY isn't
673 * cleared, perform CLO and proceed to IDENTIFY (achieved by
674 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
676 * Wait for two seconds. Devices attached to downstream port
677 * which can't process the following IDENTIFY after this will
678 * have to be reset again. For most cases, this should
679 * suffice while making probing snappish enough.
682 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
685 ahci_kick_engine(ap);
691 * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports.
693 * It has been observed with some SSDs that the timing of events in the
694 * link synchronization phase can leave the port in a state that can not
695 * be recovered by a SATA-hard-reset alone. The failing signature is
696 * SStatus.DET stuck at 1 ("Device presence detected but Phy
697 * communication not established"). It was found that unloading and
698 * reloading the driver when this problem occurs allows the drive
699 * connection to be recovered (DET advanced to 0x3). The critical
700 * component of reloading the driver is that the port state machines are
701 * reset by bouncing "port enable" in the AHCI PCS configuration
702 * register. So, reproduce that effect by bouncing a port whenever we
703 * see DET==1 after a reset.
705 static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class,
706 unsigned long deadline)
708 const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
709 struct ata_port *ap = link->ap;
710 struct ahci_port_priv *pp = ap->private_data;
711 struct ahci_host_priv *hpriv = ap->host->private_data;
712 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
713 unsigned long tmo = deadline - jiffies;
714 struct ata_taskfile tf;
720 ahci_stop_engine(ap);
722 for (i = 0; i < 2; i++) {
725 int port = ap->port_no;
726 struct ata_host *host = ap->host;
727 struct pci_dev *pdev = to_pci_dev(host->dev);
729 /* clear D2H reception area to properly wait for D2H FIS */
730 ata_tf_init(link->device, &tf);
731 tf.command = ATA_BUSY;
732 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
734 rc = sata_link_hardreset(link, timing, deadline, &online,
737 if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 ||
738 (sstatus & 0xf) != 1)
741 ata_link_printk(link, KERN_INFO, "avn bounce port%d\n",
744 pci_read_config_word(pdev, 0x92, &val);
746 pci_write_config_word(pdev, 0x92, val);
747 ata_msleep(ap, 1000);
749 pci_write_config_word(pdev, 0x92, val);
753 hpriv->start_engine(ap);
756 *class = ahci_dev_classify(ap);
758 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
764 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
766 struct ata_host *host = pci_get_drvdata(pdev);
767 struct ahci_host_priv *hpriv = host->private_data;
768 void __iomem *mmio = hpriv->mmio;
771 if (mesg.event & PM_EVENT_SUSPEND &&
772 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
774 "BIOS update required for suspend/resume\n");
778 if (mesg.event & PM_EVENT_SLEEP) {
779 /* AHCI spec rev1.1 section 8.3.3:
780 * Software must disable interrupts prior to requesting a
781 * transition of the HBA to D3 state.
783 ctl = readl(mmio + HOST_CTL);
785 writel(ctl, mmio + HOST_CTL);
786 readl(mmio + HOST_CTL); /* flush */
789 return ata_pci_device_suspend(pdev, mesg);
792 static int ahci_pci_device_resume(struct pci_dev *pdev)
794 struct ata_host *host = pci_get_drvdata(pdev);
797 rc = ata_pci_device_do_resume(pdev);
801 /* Apple BIOS helpfully mangles the registers on resume */
802 if (is_mcp89_apple(pdev))
803 ahci_mcp89_apple_enable(pdev);
805 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
806 rc = ahci_pci_reset_controller(host);
810 ahci_pci_init_controller(host);
813 ata_host_resume(host);
819 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
824 * If the device fixup already set the dma_mask to some non-standard
825 * value, don't extend it here. This happens on STA2X11, for example.
827 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
831 !dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
832 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
834 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
837 "64-bit DMA enable failed\n");
842 rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
844 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
847 rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
850 "32-bit consistent DMA enable failed\n");
857 static void ahci_pci_print_info(struct ata_host *host)
859 struct pci_dev *pdev = to_pci_dev(host->dev);
863 pci_read_config_word(pdev, 0x0a, &cc);
864 if (cc == PCI_CLASS_STORAGE_IDE)
866 else if (cc == PCI_CLASS_STORAGE_SATA)
868 else if (cc == PCI_CLASS_STORAGE_RAID)
873 ahci_print_info(host, scc_s);
876 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
877 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
878 * support PMP and the 4726 either directly exports the device
879 * attached to the first downstream port or acts as a hardware storage
880 * controller and emulate a single ATA device (can be RAID 0/1 or some
881 * other configuration).
883 * When there's no device attached to the first downstream port of the
884 * 4726, "Config Disk" appears, which is a pseudo ATA device to
885 * configure the 4726. However, ATA emulation of the device is very
886 * lame. It doesn't send signature D2H Reg FIS after the initial
887 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
889 * The following function works around the problem by always using
890 * hardreset on the port and not depending on receiving signature FIS
891 * afterward. If signature FIS isn't received soon, ATA class is
892 * assumed without follow-up softreset.
894 static void ahci_p5wdh_workaround(struct ata_host *host)
896 static const struct dmi_system_id sysids[] = {
898 .ident = "P5W DH Deluxe",
900 DMI_MATCH(DMI_SYS_VENDOR,
901 "ASUSTEK COMPUTER INC"),
902 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
907 struct pci_dev *pdev = to_pci_dev(host->dev);
909 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
910 dmi_check_system(sysids)) {
911 struct ata_port *ap = host->ports[1];
914 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
916 ap->ops = &ahci_p5wdh_ops;
917 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
922 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
923 * booting in BIOS compatibility mode. We restore the registers but not ID.
925 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
929 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
931 pci_read_config_dword(pdev, 0xf8, &val);
933 /* the following changes the device ID, but appears not to affect function */
934 /* val = (val & ~0xf0000000) | 0x80000000; */
935 pci_write_config_dword(pdev, 0xf8, val);
937 pci_read_config_dword(pdev, 0x54c, &val);
939 pci_write_config_dword(pdev, 0x54c, val);
941 pci_read_config_dword(pdev, 0x4a4, &val);
944 pci_write_config_dword(pdev, 0x4a4, val);
946 pci_read_config_dword(pdev, 0x54c, &val);
948 pci_write_config_dword(pdev, 0x54c, val);
950 pci_read_config_dword(pdev, 0xf8, &val);
952 pci_write_config_dword(pdev, 0xf8, val);
955 static bool is_mcp89_apple(struct pci_dev *pdev)
957 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
958 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
959 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
960 pdev->subsystem_device == 0xcb89;
963 /* only some SB600 ahci controllers can do 64bit DMA */
964 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
966 static const struct dmi_system_id sysids[] = {
968 * The oldest version known to be broken is 0901 and
969 * working is 1501 which was released on 2007-10-26.
970 * Enable 64bit DMA on 1501 and anything newer.
972 * Please read bko#9412 for more info.
975 .ident = "ASUS M2A-VM",
977 DMI_MATCH(DMI_BOARD_VENDOR,
978 "ASUSTeK Computer INC."),
979 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
981 .driver_data = "20071026", /* yyyymmdd */
984 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
987 * BIOS versions earlier than 1.5 had the Manufacturer DMI
988 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
989 * This spelling mistake was fixed in BIOS version 1.5, so
990 * 1.5 and later have the Manufacturer as
991 * "MICRO-STAR INTERNATIONAL CO.,LTD".
992 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
994 * BIOS versions earlier than 1.9 had a Board Product Name
995 * DMI field of "MS-7376". This was changed to be
996 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
997 * match on DMI_BOARD_NAME of "MS-7376".
1000 .ident = "MSI K9A2 Platinum",
1002 DMI_MATCH(DMI_BOARD_VENDOR,
1003 "MICRO-STAR INTER"),
1004 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
1008 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
1011 * This board also had the typo mentioned above in the
1012 * Manufacturer DMI field (fixed in BIOS version 1.5), so
1013 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
1016 .ident = "MSI K9AGM2",
1018 DMI_MATCH(DMI_BOARD_VENDOR,
1019 "MICRO-STAR INTER"),
1020 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
1024 * All BIOS versions for the Asus M3A support 64bit DMA.
1025 * (all release versions from 0301 to 1206 were tested)
1028 .ident = "ASUS M3A",
1030 DMI_MATCH(DMI_BOARD_VENDOR,
1031 "ASUSTeK Computer INC."),
1032 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
1037 const struct dmi_system_id *match;
1038 int year, month, date;
1041 match = dmi_first_match(sysids);
1042 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
1046 if (!match->driver_data)
1049 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1050 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1052 if (strcmp(buf, match->driver_data) >= 0)
1055 dev_warn(&pdev->dev,
1056 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
1062 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
1066 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
1068 static const struct dmi_system_id broken_systems[] = {
1070 .ident = "HP Compaq nx6310",
1072 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1073 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
1075 /* PCI slot number of the controller */
1076 .driver_data = (void *)0x1FUL,
1079 .ident = "HP Compaq 6720s",
1081 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1082 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
1084 /* PCI slot number of the controller */
1085 .driver_data = (void *)0x1FUL,
1088 { } /* terminate list */
1090 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
1093 unsigned long slot = (unsigned long)dmi->driver_data;
1094 /* apply the quirk only to on-board controllers */
1095 return slot == PCI_SLOT(pdev->devfn);
1101 static bool ahci_broken_suspend(struct pci_dev *pdev)
1103 static const struct dmi_system_id sysids[] = {
1105 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
1106 * to the harddisk doesn't become online after
1107 * resuming from STR. Warn and fail suspend.
1109 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
1111 * Use dates instead of versions to match as HP is
1112 * apparently recycling both product and version
1115 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1120 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1121 DMI_MATCH(DMI_PRODUCT_NAME,
1122 "HP Pavilion dv4 Notebook PC"),
1124 .driver_data = "20090105", /* F.30 */
1129 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1130 DMI_MATCH(DMI_PRODUCT_NAME,
1131 "HP Pavilion dv5 Notebook PC"),
1133 .driver_data = "20090506", /* F.16 */
1138 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1139 DMI_MATCH(DMI_PRODUCT_NAME,
1140 "HP Pavilion dv6 Notebook PC"),
1142 .driver_data = "20090423", /* F.21 */
1147 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1148 DMI_MATCH(DMI_PRODUCT_NAME,
1149 "HP HDX18 Notebook PC"),
1151 .driver_data = "20090430", /* F.23 */
1154 * Acer eMachines G725 has the same problem. BIOS
1155 * V1.03 is known to be broken. V3.04 is known to
1156 * work. Between, there are V1.06, V2.06 and V3.03
1157 * that we don't have much idea about. For now,
1158 * blacklist anything older than V3.04.
1160 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1165 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1166 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1168 .driver_data = "20091216", /* V3.04 */
1170 { } /* terminate list */
1172 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1173 int year, month, date;
1176 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1179 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1180 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1182 return strcmp(buf, dmi->driver_data) < 0;
1185 static bool ahci_broken_online(struct pci_dev *pdev)
1187 #define ENCODE_BUSDEVFN(bus, slot, func) \
1188 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1189 static const struct dmi_system_id sysids[] = {
1191 * There are several gigabyte boards which use
1192 * SIMG5723s configured as hardware RAID. Certain
1193 * 5723 firmware revisions shipped there keep the link
1194 * online but fail to answer properly to SRST or
1195 * IDENTIFY when no device is attached downstream
1196 * causing libata to retry quite a few times leading
1197 * to excessive detection delay.
1199 * As these firmwares respond to the second reset try
1200 * with invalid device signature, considering unknown
1201 * sig as offline works around the problem acceptably.
1204 .ident = "EP45-DQ6",
1206 DMI_MATCH(DMI_BOARD_VENDOR,
1207 "Gigabyte Technology Co., Ltd."),
1208 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1210 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1213 .ident = "EP45-DS5",
1215 DMI_MATCH(DMI_BOARD_VENDOR,
1216 "Gigabyte Technology Co., Ltd."),
1217 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1219 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1221 { } /* terminate list */
1223 #undef ENCODE_BUSDEVFN
1224 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1230 val = (unsigned long)dmi->driver_data;
1232 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1235 static bool ahci_broken_devslp(struct pci_dev *pdev)
1237 /* device with broken DEVSLP but still showing SDS capability */
1238 static const struct pci_device_id ids[] = {
1239 { PCI_VDEVICE(INTEL, 0x0f23)}, /* Valleyview SoC */
1243 return pci_match_id(ids, pdev);
1246 #ifdef CONFIG_ATA_ACPI
1247 static void ahci_gtf_filter_workaround(struct ata_host *host)
1249 static const struct dmi_system_id sysids[] = {
1251 * Aspire 3810T issues a bunch of SATA enable commands
1252 * via _GTF including an invalid one and one which is
1253 * rejected by the device. Among the successful ones
1254 * is FPDMA non-zero offset enable which when enabled
1255 * only on the drive side leads to NCQ command
1256 * failures. Filter it out.
1259 .ident = "Aspire 3810T",
1261 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1262 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1264 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1268 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1269 unsigned int filter;
1275 filter = (unsigned long)dmi->driver_data;
1276 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1277 filter, dmi->ident);
1279 for (i = 0; i < host->n_ports; i++) {
1280 struct ata_port *ap = host->ports[i];
1281 struct ata_link *link;
1282 struct ata_device *dev;
1284 ata_for_each_link(link, ap, EDGE)
1285 ata_for_each_dev(dev, link, ALL)
1286 dev->gtf_filter |= filter;
1290 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1295 * ahci_init_msix() only implements single MSI-X support, not multiple
1296 * MSI-X per-port interrupts. This is needed for host controllers that only
1297 * have MSI-X support implemented, but no MSI or intx.
1299 static int ahci_init_msix(struct pci_dev *pdev, unsigned int n_ports,
1300 struct ahci_host_priv *hpriv)
1303 struct msix_entry entry = {};
1305 /* Do not init MSI-X if MSI is disabled for the device */
1306 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1309 nvec = pci_msix_vec_count(pdev);
1319 * There can be more than one vector (e.g. for error detection or
1320 * hdd hotplug). Only the first vector (entry.entry = 0) is used.
1322 rc = pci_enable_msix_exact(pdev, &entry, 1);
1326 hpriv->irq = entry.vector;
1331 "failed to enable MSI-X with error %d, # of vectors: %d\n",
1337 static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
1338 struct ahci_host_priv *hpriv)
1342 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1345 nvec = pci_msi_vec_count(pdev);
1350 * If number of MSIs is less than number of ports then Sharing Last
1351 * Message mode could be enforced. In this case assume that advantage
1352 * of multipe MSIs is negated and use single MSI mode instead.
1357 rc = pci_enable_msi_exact(pdev, nvec);
1363 /* fallback to single MSI mode if the controller enforced MRSM mode */
1364 if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
1365 pci_disable_msi(pdev);
1366 printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
1371 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1378 rc = pci_enable_msi(pdev);
1382 hpriv->irq = pdev->irq;
1387 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
1388 struct ahci_host_priv *hpriv)
1392 nvec = ahci_init_msi(pdev, n_ports, hpriv);
1397 * Currently, MSI-X support only implements single IRQ mode and
1398 * exists for controllers which can't do other types of IRQ. Only
1399 * set it up if MSI fails.
1401 nvec = ahci_init_msix(pdev, n_ports, hpriv);
1405 /* lagacy intx interrupts */
1407 hpriv->irq = pdev->irq;
1412 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1414 unsigned int board_id = ent->driver_data;
1415 struct ata_port_info pi = ahci_port_info[board_id];
1416 const struct ata_port_info *ppi[] = { &pi, NULL };
1417 struct device *dev = &pdev->dev;
1418 struct ahci_host_priv *hpriv;
1419 struct ata_host *host;
1421 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1425 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1427 ata_print_version_once(&pdev->dev, DRV_VERSION);
1429 /* The AHCI driver can only drive the SATA ports, the PATA driver
1430 can drive them all so if both drivers are selected make sure
1431 AHCI stays out of the way */
1432 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1435 /* Apple BIOS on MCP89 prevents us using AHCI */
1436 if (is_mcp89_apple(pdev))
1437 ahci_mcp89_apple_enable(pdev);
1439 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1440 * At the moment, we can only use the AHCI mode. Let the users know
1441 * that for SAS drives they're out of luck.
1443 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1444 dev_info(&pdev->dev,
1445 "PDC42819 can only drive SATA devices with this driver\n");
1447 /* Some devices use non-standard BARs */
1448 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1449 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1450 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1451 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1452 else if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
1453 ahci_pci_bar = AHCI_PCI_BAR_CAVIUM;
1455 /* acquire resources */
1456 rc = pcim_enable_device(pdev);
1460 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1461 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1464 /* ICH6s share the same PCI ID for both piix and ahci
1465 * modes. Enabling ahci mode while MAP indicates
1466 * combined mode is a bad idea. Yield to ata_piix.
1468 pci_read_config_byte(pdev, ICH_MAP, &map);
1470 dev_info(&pdev->dev,
1471 "controller is in combined mode, can't enable AHCI mode\n");
1476 /* AHCI controllers often implement SFF compatible interface.
1477 * Grab all PCI BARs just in case.
1479 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1481 pcim_pin_device(pdev);
1485 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1488 hpriv->flags |= (unsigned long)pi.private_data;
1490 /* MCP65 revision A1 and A2 can't do MSI */
1491 if (board_id == board_ahci_mcp65 &&
1492 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1493 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1495 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1496 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1497 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1499 /* only some SB600s can do 64bit DMA */
1500 if (ahci_sb600_enable_64bit(pdev))
1501 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1503 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1505 /* must set flag prior to save config in order to take effect */
1506 if (ahci_broken_devslp(pdev))
1507 hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
1509 /* save initial config */
1510 ahci_pci_save_initial_config(pdev, hpriv);
1513 if (hpriv->cap & HOST_CAP_NCQ) {
1514 pi.flags |= ATA_FLAG_NCQ;
1516 * Auto-activate optimization is supposed to be
1517 * supported on all AHCI controllers indicating NCQ
1518 * capability, but it seems to be broken on some
1519 * chipsets including NVIDIAs.
1521 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1522 pi.flags |= ATA_FLAG_FPDMA_AA;
1525 * All AHCI controllers should be forward-compatible
1526 * with the new auxiliary field. This code should be
1527 * conditionalized if any buggy AHCI controllers are
1530 pi.flags |= ATA_FLAG_FPDMA_AUX;
1533 if (hpriv->cap & HOST_CAP_PMP)
1534 pi.flags |= ATA_FLAG_PMP;
1536 ahci_set_em_messages(hpriv, &pi);
1538 if (ahci_broken_system_poweroff(pdev)) {
1539 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1540 dev_info(&pdev->dev,
1541 "quirky BIOS, skipping spindown on poweroff\n");
1544 if (ahci_broken_suspend(pdev)) {
1545 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1546 dev_warn(&pdev->dev,
1547 "BIOS update required for suspend/resume\n");
1550 if (ahci_broken_online(pdev)) {
1551 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1552 dev_info(&pdev->dev,
1553 "online status unreliable, applying workaround\n");
1556 /* CAP.NP sometimes indicate the index of the last enabled
1557 * port, at other times, that of the last possible port, so
1558 * determining the maximum port number requires looking at
1559 * both CAP.NP and port_map.
1561 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1563 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1566 host->private_data = hpriv;
1568 ahci_init_interrupts(pdev, n_ports, hpriv);
1570 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1571 host->flags |= ATA_HOST_PARALLEL_SCAN;
1573 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1575 if (pi.flags & ATA_FLAG_EM)
1576 ahci_reset_em(host);
1578 for (i = 0; i < host->n_ports; i++) {
1579 struct ata_port *ap = host->ports[i];
1581 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1582 ata_port_pbar_desc(ap, ahci_pci_bar,
1583 0x100 + ap->port_no * 0x80, "port");
1585 /* set enclosure management message type */
1586 if (ap->flags & ATA_FLAG_EM)
1587 ap->em_message_type = hpriv->em_msg_type;
1590 /* disabled/not-implemented port */
1591 if (!(hpriv->port_map & (1 << i)))
1592 ap->ops = &ata_dummy_port_ops;
1595 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1596 ahci_p5wdh_workaround(host);
1598 /* apply gtf filter quirk */
1599 ahci_gtf_filter_workaround(host);
1601 /* initialize adapter */
1602 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1606 rc = ahci_pci_reset_controller(host);
1610 ahci_pci_init_controller(host);
1611 ahci_pci_print_info(host);
1613 pci_set_master(pdev);
1615 return ahci_host_activate(host, &ahci_sht);
1618 module_pci_driver(ahci_pci_driver);
1620 MODULE_AUTHOR("Jeff Garzik");
1621 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1622 MODULE_LICENSE("GPL");
1623 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1624 MODULE_VERSION(DRV_VERSION);