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/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>
51 #define DRV_NAME "ahci"
52 #define DRV_VERSION "3.0"
55 AHCI_PCI_BAR_STA2X11 = 0,
56 AHCI_PCI_BAR_ENMOTUS = 2,
57 AHCI_PCI_BAR_STANDARD = 5,
61 /* board IDs by feature in alphabetical order */
67 /* board IDs for specific chipsets in alphabetical order */
73 board_ahci_sb700, /* for SB700 and SB800 */
77 board_ahci_mcp_linux = board_ahci_mcp65,
78 board_ahci_mcp67 = board_ahci_mcp65,
79 board_ahci_mcp73 = board_ahci_mcp65,
80 board_ahci_mcp79 = board_ahci_mcp77,
83 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
84 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
85 unsigned long deadline);
86 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
87 static bool is_mcp89_apple(struct pci_dev *pdev);
88 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
89 unsigned long deadline);
91 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
92 static int ahci_pci_device_resume(struct pci_dev *pdev);
95 static struct scsi_host_template ahci_sht = {
99 static struct ata_port_operations ahci_vt8251_ops = {
100 .inherits = &ahci_ops,
101 .hardreset = ahci_vt8251_hardreset,
104 static struct ata_port_operations ahci_p5wdh_ops = {
105 .inherits = &ahci_ops,
106 .hardreset = ahci_p5wdh_hardreset,
109 static const struct ata_port_info ahci_port_info[] = {
112 .flags = AHCI_FLAG_COMMON,
113 .pio_mask = ATA_PIO4,
114 .udma_mask = ATA_UDMA6,
115 .port_ops = &ahci_ops,
117 [board_ahci_ign_iferr] = {
118 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
119 .flags = AHCI_FLAG_COMMON,
120 .pio_mask = ATA_PIO4,
121 .udma_mask = ATA_UDMA6,
122 .port_ops = &ahci_ops,
124 [board_ahci_nosntf] = {
125 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
126 .flags = AHCI_FLAG_COMMON,
127 .pio_mask = ATA_PIO4,
128 .udma_mask = ATA_UDMA6,
129 .port_ops = &ahci_ops,
131 [board_ahci_yes_fbs] = {
132 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
133 .flags = AHCI_FLAG_COMMON,
134 .pio_mask = ATA_PIO4,
135 .udma_mask = ATA_UDMA6,
136 .port_ops = &ahci_ops,
139 [board_ahci_mcp65] = {
140 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
142 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
143 .pio_mask = ATA_PIO4,
144 .udma_mask = ATA_UDMA6,
145 .port_ops = &ahci_ops,
147 [board_ahci_mcp77] = {
148 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
149 .flags = AHCI_FLAG_COMMON,
150 .pio_mask = ATA_PIO4,
151 .udma_mask = ATA_UDMA6,
152 .port_ops = &ahci_ops,
154 [board_ahci_mcp89] = {
155 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
156 .flags = AHCI_FLAG_COMMON,
157 .pio_mask = ATA_PIO4,
158 .udma_mask = ATA_UDMA6,
159 .port_ops = &ahci_ops,
162 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
163 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
164 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
165 .pio_mask = ATA_PIO4,
166 .udma_mask = ATA_UDMA6,
167 .port_ops = &ahci_ops,
169 [board_ahci_sb600] = {
170 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
171 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
172 AHCI_HFLAG_32BIT_ONLY),
173 .flags = AHCI_FLAG_COMMON,
174 .pio_mask = ATA_PIO4,
175 .udma_mask = ATA_UDMA6,
176 .port_ops = &ahci_pmp_retry_srst_ops,
178 [board_ahci_sb700] = { /* for SB700 and SB800 */
179 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
180 .flags = AHCI_FLAG_COMMON,
181 .pio_mask = ATA_PIO4,
182 .udma_mask = ATA_UDMA6,
183 .port_ops = &ahci_pmp_retry_srst_ops,
185 [board_ahci_vt8251] = {
186 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
187 .flags = AHCI_FLAG_COMMON,
188 .pio_mask = ATA_PIO4,
189 .udma_mask = ATA_UDMA6,
190 .port_ops = &ahci_vt8251_ops,
194 static const struct pci_device_id ahci_pci_tbl[] = {
196 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
197 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
198 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
199 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
200 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
201 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
202 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
203 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
204 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
205 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
206 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
207 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
208 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
209 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
210 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
211 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
212 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
213 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
214 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
215 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
216 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
217 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
218 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
219 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
220 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
221 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
222 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
223 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
224 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
225 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
226 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
227 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
228 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
229 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
230 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
231 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
232 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
233 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
234 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
235 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
236 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
237 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
238 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
239 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
240 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
241 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
242 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
243 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
244 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
245 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
246 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
247 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
248 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
249 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
250 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
251 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
252 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
253 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
254 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
255 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
256 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
257 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
258 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
259 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
260 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
261 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
262 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
263 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
264 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
265 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
266 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
267 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
268 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
269 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
270 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
271 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
272 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
273 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
274 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
275 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
276 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
277 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
278 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci }, /* Avoton AHCI */
279 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci }, /* Avoton AHCI */
280 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci }, /* Avoton RAID */
281 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci }, /* Avoton RAID */
282 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci }, /* Avoton RAID */
283 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */
284 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */
285 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */
286 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
287 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
288 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
289 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
290 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
291 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
292 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
293 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
294 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
295 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
296 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
297 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
298 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
299 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
300 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
302 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
303 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
304 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
305 /* JMicron 362B and 362C have an AHCI function with IDE class code */
306 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
307 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
310 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
311 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
312 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
313 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
314 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
315 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
316 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
319 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
320 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
321 /* AMD is using RAID class only for ahci controllers */
322 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
323 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
326 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
327 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
330 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
331 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
332 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
333 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
334 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
335 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
336 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
337 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
338 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
339 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
340 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
341 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
342 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
343 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
344 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
345 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
346 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
347 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
348 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
349 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
350 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
351 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
352 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
353 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
354 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
355 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
356 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
357 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
358 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
359 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
360 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
361 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
362 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
363 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
364 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
365 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
366 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
367 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
368 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
369 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
370 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
371 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
372 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
373 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
374 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
375 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
376 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
377 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
378 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
379 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
380 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
381 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
382 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
383 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
384 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
385 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
386 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
387 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
388 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
389 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
390 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
391 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
392 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
393 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
394 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
395 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
396 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
397 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
398 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
399 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
400 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
401 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
402 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
403 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
404 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
405 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
406 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
407 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
408 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
409 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
410 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
411 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
412 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
413 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
416 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
417 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
418 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
420 /* ST Microelectronics */
421 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
424 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
425 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
426 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
427 .class = PCI_CLASS_STORAGE_SATA_AHCI,
428 .class_mask = 0xffffff,
429 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
430 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
431 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
432 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
433 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
434 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
435 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
436 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
437 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
438 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
439 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
440 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
441 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
442 .driver_data = board_ahci_yes_fbs },
443 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
444 .driver_data = board_ahci_yes_fbs },
447 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
450 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
451 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
452 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
453 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
456 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
458 /* Generic, PCI class code for AHCI */
459 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
460 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
462 { } /* terminate list */
466 static struct pci_driver ahci_pci_driver = {
468 .id_table = ahci_pci_tbl,
469 .probe = ahci_init_one,
470 .remove = ata_pci_remove_one,
472 .suspend = ahci_pci_device_suspend,
473 .resume = ahci_pci_device_resume,
477 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
478 static int marvell_enable;
480 static int marvell_enable = 1;
482 module_param(marvell_enable, int, 0644);
483 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
486 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
487 struct ahci_host_priv *hpriv)
489 unsigned int force_port_map = 0;
490 unsigned int mask_port_map = 0;
492 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
493 dev_info(&pdev->dev, "JMB361 has only one port\n");
498 * Temporary Marvell 6145 hack: PATA port presence
499 * is asserted through the standard AHCI port
500 * presence register, as bit 4 (counting from 0)
502 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
503 if (pdev->device == 0x6121)
508 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
511 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
515 static int ahci_pci_reset_controller(struct ata_host *host)
517 struct pci_dev *pdev = to_pci_dev(host->dev);
519 ahci_reset_controller(host);
521 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
522 struct ahci_host_priv *hpriv = host->private_data;
526 pci_read_config_word(pdev, 0x92, &tmp16);
527 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
528 tmp16 |= hpriv->port_map;
529 pci_write_config_word(pdev, 0x92, tmp16);
536 static void ahci_pci_init_controller(struct ata_host *host)
538 struct ahci_host_priv *hpriv = host->private_data;
539 struct pci_dev *pdev = to_pci_dev(host->dev);
540 void __iomem *port_mmio;
544 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
545 if (pdev->device == 0x6121)
549 port_mmio = __ahci_port_base(host, mv);
551 writel(0, port_mmio + PORT_IRQ_MASK);
554 tmp = readl(port_mmio + PORT_IRQ_STAT);
555 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
557 writel(tmp, port_mmio + PORT_IRQ_STAT);
560 ahci_init_controller(host);
563 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
564 unsigned long deadline)
566 struct ata_port *ap = link->ap;
572 ahci_stop_engine(ap);
574 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
575 deadline, &online, NULL);
577 ahci_start_engine(ap);
579 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
581 /* vt8251 doesn't clear BSY on signature FIS reception,
582 * request follow-up softreset.
584 return online ? -EAGAIN : rc;
587 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
588 unsigned long deadline)
590 struct ata_port *ap = link->ap;
591 struct ahci_port_priv *pp = ap->private_data;
592 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
593 struct ata_taskfile tf;
597 ahci_stop_engine(ap);
599 /* clear D2H reception area to properly wait for D2H FIS */
600 ata_tf_init(link->device, &tf);
601 tf.command = ATA_BUSY;
602 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
604 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
605 deadline, &online, NULL);
607 ahci_start_engine(ap);
609 /* The pseudo configuration device on SIMG4726 attached to
610 * ASUS P5W-DH Deluxe doesn't send signature FIS after
611 * hardreset if no device is attached to the first downstream
612 * port && the pseudo device locks up on SRST w/ PMP==0. To
613 * work around this, wait for !BSY only briefly. If BSY isn't
614 * cleared, perform CLO and proceed to IDENTIFY (achieved by
615 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
617 * Wait for two seconds. Devices attached to downstream port
618 * which can't process the following IDENTIFY after this will
619 * have to be reset again. For most cases, this should
620 * suffice while making probing snappish enough.
623 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
626 ahci_kick_engine(ap);
632 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
634 struct ata_host *host = pci_get_drvdata(pdev);
635 struct ahci_host_priv *hpriv = host->private_data;
636 void __iomem *mmio = hpriv->mmio;
639 if (mesg.event & PM_EVENT_SUSPEND &&
640 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
642 "BIOS update required for suspend/resume\n");
646 if (mesg.event & PM_EVENT_SLEEP) {
647 /* AHCI spec rev1.1 section 8.3.3:
648 * Software must disable interrupts prior to requesting a
649 * transition of the HBA to D3 state.
651 ctl = readl(mmio + HOST_CTL);
653 writel(ctl, mmio + HOST_CTL);
654 readl(mmio + HOST_CTL); /* flush */
657 return ata_pci_device_suspend(pdev, mesg);
660 static int ahci_pci_device_resume(struct pci_dev *pdev)
662 struct ata_host *host = pci_get_drvdata(pdev);
665 rc = ata_pci_device_do_resume(pdev);
669 /* Apple BIOS helpfully mangles the registers on resume */
670 if (is_mcp89_apple(pdev))
671 ahci_mcp89_apple_enable(pdev);
673 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
674 rc = ahci_pci_reset_controller(host);
678 ahci_pci_init_controller(host);
681 ata_host_resume(host);
687 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
692 * If the device fixup already set the dma_mask to some non-standard
693 * value, don't extend it here. This happens on STA2X11, for example.
695 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
699 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
700 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
702 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
705 "64-bit DMA enable failed\n");
710 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
712 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
715 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
718 "32-bit consistent DMA enable failed\n");
725 static void ahci_pci_print_info(struct ata_host *host)
727 struct pci_dev *pdev = to_pci_dev(host->dev);
731 pci_read_config_word(pdev, 0x0a, &cc);
732 if (cc == PCI_CLASS_STORAGE_IDE)
734 else if (cc == PCI_CLASS_STORAGE_SATA)
736 else if (cc == PCI_CLASS_STORAGE_RAID)
741 ahci_print_info(host, scc_s);
744 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
745 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
746 * support PMP and the 4726 either directly exports the device
747 * attached to the first downstream port or acts as a hardware storage
748 * controller and emulate a single ATA device (can be RAID 0/1 or some
749 * other configuration).
751 * When there's no device attached to the first downstream port of the
752 * 4726, "Config Disk" appears, which is a pseudo ATA device to
753 * configure the 4726. However, ATA emulation of the device is very
754 * lame. It doesn't send signature D2H Reg FIS after the initial
755 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
757 * The following function works around the problem by always using
758 * hardreset on the port and not depending on receiving signature FIS
759 * afterward. If signature FIS isn't received soon, ATA class is
760 * assumed without follow-up softreset.
762 static void ahci_p5wdh_workaround(struct ata_host *host)
764 static struct dmi_system_id sysids[] = {
766 .ident = "P5W DH Deluxe",
768 DMI_MATCH(DMI_SYS_VENDOR,
769 "ASUSTEK COMPUTER INC"),
770 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
775 struct pci_dev *pdev = to_pci_dev(host->dev);
777 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
778 dmi_check_system(sysids)) {
779 struct ata_port *ap = host->ports[1];
782 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
784 ap->ops = &ahci_p5wdh_ops;
785 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
790 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
791 * booting in BIOS compatibility mode. We restore the registers but not ID.
793 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
797 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
799 pci_read_config_dword(pdev, 0xf8, &val);
801 /* the following changes the device ID, but appears not to affect function */
802 /* val = (val & ~0xf0000000) | 0x80000000; */
803 pci_write_config_dword(pdev, 0xf8, val);
805 pci_read_config_dword(pdev, 0x54c, &val);
807 pci_write_config_dword(pdev, 0x54c, val);
809 pci_read_config_dword(pdev, 0x4a4, &val);
812 pci_write_config_dword(pdev, 0x4a4, val);
814 pci_read_config_dword(pdev, 0x54c, &val);
816 pci_write_config_dword(pdev, 0x54c, val);
818 pci_read_config_dword(pdev, 0xf8, &val);
820 pci_write_config_dword(pdev, 0xf8, val);
823 static bool is_mcp89_apple(struct pci_dev *pdev)
825 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
826 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
827 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
828 pdev->subsystem_device == 0xcb89;
831 /* only some SB600 ahci controllers can do 64bit DMA */
832 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
834 static const struct dmi_system_id sysids[] = {
836 * The oldest version known to be broken is 0901 and
837 * working is 1501 which was released on 2007-10-26.
838 * Enable 64bit DMA on 1501 and anything newer.
840 * Please read bko#9412 for more info.
843 .ident = "ASUS M2A-VM",
845 DMI_MATCH(DMI_BOARD_VENDOR,
846 "ASUSTeK Computer INC."),
847 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
849 .driver_data = "20071026", /* yyyymmdd */
852 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
855 * BIOS versions earlier than 1.5 had the Manufacturer DMI
856 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
857 * This spelling mistake was fixed in BIOS version 1.5, so
858 * 1.5 and later have the Manufacturer as
859 * "MICRO-STAR INTERNATIONAL CO.,LTD".
860 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
862 * BIOS versions earlier than 1.9 had a Board Product Name
863 * DMI field of "MS-7376". This was changed to be
864 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
865 * match on DMI_BOARD_NAME of "MS-7376".
868 .ident = "MSI K9A2 Platinum",
870 DMI_MATCH(DMI_BOARD_VENDOR,
872 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
876 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
879 * This board also had the typo mentioned above in the
880 * Manufacturer DMI field (fixed in BIOS version 1.5), so
881 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
884 .ident = "MSI K9AGM2",
886 DMI_MATCH(DMI_BOARD_VENDOR,
888 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
892 * All BIOS versions for the Asus M3A support 64bit DMA.
893 * (all release versions from 0301 to 1206 were tested)
898 DMI_MATCH(DMI_BOARD_VENDOR,
899 "ASUSTeK Computer INC."),
900 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
905 const struct dmi_system_id *match;
906 int year, month, date;
909 match = dmi_first_match(sysids);
910 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
914 if (!match->driver_data)
917 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
918 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
920 if (strcmp(buf, match->driver_data) >= 0)
924 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
930 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
934 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
936 static const struct dmi_system_id broken_systems[] = {
938 .ident = "HP Compaq nx6310",
940 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
941 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
943 /* PCI slot number of the controller */
944 .driver_data = (void *)0x1FUL,
947 .ident = "HP Compaq 6720s",
949 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
950 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
952 /* PCI slot number of the controller */
953 .driver_data = (void *)0x1FUL,
956 { } /* terminate list */
958 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
961 unsigned long slot = (unsigned long)dmi->driver_data;
962 /* apply the quirk only to on-board controllers */
963 return slot == PCI_SLOT(pdev->devfn);
969 static bool ahci_broken_suspend(struct pci_dev *pdev)
971 static const struct dmi_system_id sysids[] = {
973 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
974 * to the harddisk doesn't become online after
975 * resuming from STR. Warn and fail suspend.
977 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
979 * Use dates instead of versions to match as HP is
980 * apparently recycling both product and version
983 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
988 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
989 DMI_MATCH(DMI_PRODUCT_NAME,
990 "HP Pavilion dv4 Notebook PC"),
992 .driver_data = "20090105", /* F.30 */
997 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
998 DMI_MATCH(DMI_PRODUCT_NAME,
999 "HP Pavilion dv5 Notebook PC"),
1001 .driver_data = "20090506", /* F.16 */
1006 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1007 DMI_MATCH(DMI_PRODUCT_NAME,
1008 "HP Pavilion dv6 Notebook PC"),
1010 .driver_data = "20090423", /* F.21 */
1015 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1016 DMI_MATCH(DMI_PRODUCT_NAME,
1017 "HP HDX18 Notebook PC"),
1019 .driver_data = "20090430", /* F.23 */
1022 * Acer eMachines G725 has the same problem. BIOS
1023 * V1.03 is known to be broken. V3.04 is known to
1024 * work. Between, there are V1.06, V2.06 and V3.03
1025 * that we don't have much idea about. For now,
1026 * blacklist anything older than V3.04.
1028 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1033 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1034 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1036 .driver_data = "20091216", /* V3.04 */
1038 { } /* terminate list */
1040 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1041 int year, month, date;
1044 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1047 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1048 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1050 return strcmp(buf, dmi->driver_data) < 0;
1053 static bool ahci_broken_online(struct pci_dev *pdev)
1055 #define ENCODE_BUSDEVFN(bus, slot, func) \
1056 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1057 static const struct dmi_system_id sysids[] = {
1059 * There are several gigabyte boards which use
1060 * SIMG5723s configured as hardware RAID. Certain
1061 * 5723 firmware revisions shipped there keep the link
1062 * online but fail to answer properly to SRST or
1063 * IDENTIFY when no device is attached downstream
1064 * causing libata to retry quite a few times leading
1065 * to excessive detection delay.
1067 * As these firmwares respond to the second reset try
1068 * with invalid device signature, considering unknown
1069 * sig as offline works around the problem acceptably.
1072 .ident = "EP45-DQ6",
1074 DMI_MATCH(DMI_BOARD_VENDOR,
1075 "Gigabyte Technology Co., Ltd."),
1076 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1078 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1081 .ident = "EP45-DS5",
1083 DMI_MATCH(DMI_BOARD_VENDOR,
1084 "Gigabyte Technology Co., Ltd."),
1085 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1087 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1089 { } /* terminate list */
1091 #undef ENCODE_BUSDEVFN
1092 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1098 val = (unsigned long)dmi->driver_data;
1100 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1103 #ifdef CONFIG_ATA_ACPI
1104 static void ahci_gtf_filter_workaround(struct ata_host *host)
1106 static const struct dmi_system_id sysids[] = {
1108 * Aspire 3810T issues a bunch of SATA enable commands
1109 * via _GTF including an invalid one and one which is
1110 * rejected by the device. Among the successful ones
1111 * is FPDMA non-zero offset enable which when enabled
1112 * only on the drive side leads to NCQ command
1113 * failures. Filter it out.
1116 .ident = "Aspire 3810T",
1118 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1119 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1121 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1125 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1126 unsigned int filter;
1132 filter = (unsigned long)dmi->driver_data;
1133 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1134 filter, dmi->ident);
1136 for (i = 0; i < host->n_ports; i++) {
1137 struct ata_port *ap = host->ports[i];
1138 struct ata_link *link;
1139 struct ata_device *dev;
1141 ata_for_each_link(link, ap, EDGE)
1142 ata_for_each_dev(dev, link, ALL)
1143 dev->gtf_filter |= filter;
1147 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1151 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
1152 struct ahci_host_priv *hpriv)
1156 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1159 rc = pci_msi_vec_count(pdev);
1164 * If number of MSIs is less than number of ports then Sharing Last
1165 * Message mode could be enforced. In this case assume that advantage
1166 * of multipe MSIs is negated and use single MSI mode instead.
1172 rc = pci_enable_msi_block(pdev, nvec);
1179 rc = pci_enable_msi(pdev);
1190 * ahci_host_activate - start AHCI host, request IRQs and register it
1191 * @host: target ATA host
1192 * @irq: base IRQ number to request
1193 * @n_msis: number of MSIs allocated for this host
1194 * @irq_handler: irq_handler used when requesting IRQs
1195 * @irq_flags: irq_flags used when requesting IRQs
1197 * Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
1198 * when multiple MSIs were allocated. That is one MSI per port, starting
1202 * Inherited from calling layer (may sleep).
1205 * 0 on success, -errno otherwise.
1207 int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
1211 /* Sharing Last Message among several ports is not supported */
1212 if (n_msis < host->n_ports)
1215 rc = ata_host_start(host);
1219 for (i = 0; i < host->n_ports; i++) {
1221 struct ahci_port_priv *pp = host->ports[i]->private_data;
1223 /* pp is NULL for dummy ports */
1225 desc = pp->irq_desc;
1227 desc = dev_driver_string(host->dev);
1229 rc = devm_request_threaded_irq(host->dev,
1230 irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
1231 desc, host->ports[i]);
1236 for (i = 0; i < host->n_ports; i++)
1237 ata_port_desc(host->ports[i], "irq %d", irq + i);
1239 rc = ata_host_register(host, &ahci_sht);
1241 goto out_free_all_irqs;
1248 for (i--; i >= 0; i--)
1249 devm_free_irq(host->dev, irq + i, host->ports[i]);
1254 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1256 unsigned int board_id = ent->driver_data;
1257 struct ata_port_info pi = ahci_port_info[board_id];
1258 const struct ata_port_info *ppi[] = { &pi, NULL };
1259 struct device *dev = &pdev->dev;
1260 struct ahci_host_priv *hpriv;
1261 struct ata_host *host;
1262 int n_ports, n_msis, i, rc;
1263 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1267 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1269 ata_print_version_once(&pdev->dev, DRV_VERSION);
1271 /* The AHCI driver can only drive the SATA ports, the PATA driver
1272 can drive them all so if both drivers are selected make sure
1273 AHCI stays out of the way */
1274 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1277 /* Apple BIOS on MCP89 prevents us using AHCI */
1278 if (is_mcp89_apple(pdev))
1279 ahci_mcp89_apple_enable(pdev);
1281 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1282 * At the moment, we can only use the AHCI mode. Let the users know
1283 * that for SAS drives they're out of luck.
1285 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1286 dev_info(&pdev->dev,
1287 "PDC42819 can only drive SATA devices with this driver\n");
1289 /* Both Connext and Enmotus devices use non-standard BARs */
1290 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1291 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1292 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1293 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1295 /* acquire resources */
1296 rc = pcim_enable_device(pdev);
1300 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1301 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1304 /* ICH6s share the same PCI ID for both piix and ahci
1305 * modes. Enabling ahci mode while MAP indicates
1306 * combined mode is a bad idea. Yield to ata_piix.
1308 pci_read_config_byte(pdev, ICH_MAP, &map);
1310 dev_info(&pdev->dev,
1311 "controller is in combined mode, can't enable AHCI mode\n");
1316 /* AHCI controllers often implement SFF compatible interface.
1317 * Grab all PCI BARs just in case.
1319 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1321 pcim_pin_device(pdev);
1325 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1328 hpriv->flags |= (unsigned long)pi.private_data;
1330 /* MCP65 revision A1 and A2 can't do MSI */
1331 if (board_id == board_ahci_mcp65 &&
1332 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1333 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1335 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1336 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1337 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1339 /* only some SB600s can do 64bit DMA */
1340 if (ahci_sb600_enable_64bit(pdev))
1341 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1343 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1345 /* save initial config */
1346 ahci_pci_save_initial_config(pdev, hpriv);
1349 if (hpriv->cap & HOST_CAP_NCQ) {
1350 pi.flags |= ATA_FLAG_NCQ;
1352 * Auto-activate optimization is supposed to be
1353 * supported on all AHCI controllers indicating NCQ
1354 * capability, but it seems to be broken on some
1355 * chipsets including NVIDIAs.
1357 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1358 pi.flags |= ATA_FLAG_FPDMA_AA;
1361 * All AHCI controllers should be forward-compatible
1362 * with the new auxiliary field. This code should be
1363 * conditionalized if any buggy AHCI controllers are
1366 pi.flags |= ATA_FLAG_FPDMA_AUX;
1369 if (hpriv->cap & HOST_CAP_PMP)
1370 pi.flags |= ATA_FLAG_PMP;
1372 ahci_set_em_messages(hpriv, &pi);
1374 if (ahci_broken_system_poweroff(pdev)) {
1375 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1376 dev_info(&pdev->dev,
1377 "quirky BIOS, skipping spindown on poweroff\n");
1380 if (ahci_broken_suspend(pdev)) {
1381 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1382 dev_warn(&pdev->dev,
1383 "BIOS update required for suspend/resume\n");
1386 if (ahci_broken_online(pdev)) {
1387 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1388 dev_info(&pdev->dev,
1389 "online status unreliable, applying workaround\n");
1392 /* CAP.NP sometimes indicate the index of the last enabled
1393 * port, at other times, that of the last possible port, so
1394 * determining the maximum port number requires looking at
1395 * both CAP.NP and port_map.
1397 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1399 n_msis = ahci_init_interrupts(pdev, n_ports, hpriv);
1401 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1403 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1406 host->private_data = hpriv;
1408 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1409 host->flags |= ATA_HOST_PARALLEL_SCAN;
1411 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1413 if (pi.flags & ATA_FLAG_EM)
1414 ahci_reset_em(host);
1416 for (i = 0; i < host->n_ports; i++) {
1417 struct ata_port *ap = host->ports[i];
1419 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1420 ata_port_pbar_desc(ap, ahci_pci_bar,
1421 0x100 + ap->port_no * 0x80, "port");
1423 /* set enclosure management message type */
1424 if (ap->flags & ATA_FLAG_EM)
1425 ap->em_message_type = hpriv->em_msg_type;
1428 /* disabled/not-implemented port */
1429 if (!(hpriv->port_map & (1 << i)))
1430 ap->ops = &ata_dummy_port_ops;
1433 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1434 ahci_p5wdh_workaround(host);
1436 /* apply gtf filter quirk */
1437 ahci_gtf_filter_workaround(host);
1439 /* initialize adapter */
1440 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1444 rc = ahci_pci_reset_controller(host);
1448 ahci_pci_init_controller(host);
1449 ahci_pci_print_info(host);
1451 pci_set_master(pdev);
1453 if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
1454 return ahci_host_activate(host, pdev->irq, n_msis);
1456 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1460 module_pci_driver(ahci_pci_driver);
1462 MODULE_AUTHOR("Jeff Garzik");
1463 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1464 MODULE_LICENSE("GPL");
1465 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1466 MODULE_VERSION(DRV_VERSION);