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 int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
87 unsigned long deadline);
89 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
90 static int ahci_pci_device_resume(struct pci_dev *pdev);
93 static struct scsi_host_template ahci_sht = {
97 static struct ata_port_operations ahci_vt8251_ops = {
98 .inherits = &ahci_ops,
99 .hardreset = ahci_vt8251_hardreset,
102 static struct ata_port_operations ahci_p5wdh_ops = {
103 .inherits = &ahci_ops,
104 .hardreset = ahci_p5wdh_hardreset,
107 static const struct ata_port_info ahci_port_info[] = {
110 .flags = AHCI_FLAG_COMMON,
111 .pio_mask = ATA_PIO4,
112 .udma_mask = ATA_UDMA6,
113 .port_ops = &ahci_ops,
115 [board_ahci_ign_iferr] = {
116 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
117 .flags = AHCI_FLAG_COMMON,
118 .pio_mask = ATA_PIO4,
119 .udma_mask = ATA_UDMA6,
120 .port_ops = &ahci_ops,
122 [board_ahci_nosntf] = {
123 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
124 .flags = AHCI_FLAG_COMMON,
125 .pio_mask = ATA_PIO4,
126 .udma_mask = ATA_UDMA6,
127 .port_ops = &ahci_ops,
129 [board_ahci_yes_fbs] = {
130 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
131 .flags = AHCI_FLAG_COMMON,
132 .pio_mask = ATA_PIO4,
133 .udma_mask = ATA_UDMA6,
134 .port_ops = &ahci_ops,
137 [board_ahci_mcp65] = {
138 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
140 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
141 .pio_mask = ATA_PIO4,
142 .udma_mask = ATA_UDMA6,
143 .port_ops = &ahci_ops,
145 [board_ahci_mcp77] = {
146 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
147 .flags = AHCI_FLAG_COMMON,
148 .pio_mask = ATA_PIO4,
149 .udma_mask = ATA_UDMA6,
150 .port_ops = &ahci_ops,
152 [board_ahci_mcp89] = {
153 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
154 .flags = AHCI_FLAG_COMMON,
155 .pio_mask = ATA_PIO4,
156 .udma_mask = ATA_UDMA6,
157 .port_ops = &ahci_ops,
160 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
161 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
162 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
163 .pio_mask = ATA_PIO4,
164 .udma_mask = ATA_UDMA6,
165 .port_ops = &ahci_ops,
167 [board_ahci_sb600] = {
168 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
169 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
170 AHCI_HFLAG_32BIT_ONLY),
171 .flags = AHCI_FLAG_COMMON,
172 .pio_mask = ATA_PIO4,
173 .udma_mask = ATA_UDMA6,
174 .port_ops = &ahci_pmp_retry_srst_ops,
176 [board_ahci_sb700] = { /* for SB700 and SB800 */
177 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
178 .flags = AHCI_FLAG_COMMON,
179 .pio_mask = ATA_PIO4,
180 .udma_mask = ATA_UDMA6,
181 .port_ops = &ahci_pmp_retry_srst_ops,
183 [board_ahci_vt8251] = {
184 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
185 .flags = AHCI_FLAG_COMMON,
186 .pio_mask = ATA_PIO4,
187 .udma_mask = ATA_UDMA6,
188 .port_ops = &ahci_vt8251_ops,
192 static const struct pci_device_id ahci_pci_tbl[] = {
194 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
195 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
196 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
197 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
198 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
199 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
200 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
201 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
202 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
203 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
204 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
205 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
206 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
207 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
208 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
209 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
210 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
211 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
212 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
213 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
214 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
215 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
216 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
217 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
218 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
219 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
220 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
221 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
222 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
223 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
224 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
225 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
226 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
227 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
228 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
229 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
230 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
231 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
232 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
233 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
234 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
235 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
236 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
237 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
238 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
239 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
240 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
241 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
242 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
243 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
244 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
245 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
246 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
247 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
248 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
249 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
250 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
251 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
252 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
253 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
254 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
255 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
256 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
257 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
258 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
259 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
260 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
261 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
262 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
263 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
264 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
265 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
266 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
267 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
268 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
269 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
270 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
271 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
272 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
273 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
274 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
275 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
276 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci }, /* Avoton AHCI */
277 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci }, /* Avoton AHCI */
278 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci }, /* Avoton RAID */
279 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci }, /* Avoton RAID */
280 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci }, /* Avoton RAID */
281 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */
282 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */
283 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */
284 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
285 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
286 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
287 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
288 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
289 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
290 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
291 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
292 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
293 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
294 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
295 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
296 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
297 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
298 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
300 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
301 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
302 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
303 /* JMicron 362B and 362C have an AHCI function with IDE class code */
304 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
305 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
308 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
309 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
310 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
311 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
312 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
313 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
314 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
317 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
318 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
319 /* AMD is using RAID class only for ahci controllers */
320 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
321 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
324 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
325 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
328 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
329 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
330 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
331 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
332 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
333 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
334 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
335 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
336 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
337 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
338 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
339 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
340 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
341 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
342 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
343 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
344 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
345 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
346 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
347 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
348 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
349 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
350 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
351 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
352 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
353 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
354 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
355 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
356 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
357 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
358 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
359 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
360 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
361 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
362 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
363 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
364 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
365 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
366 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
367 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
368 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
369 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
370 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
371 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
372 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
373 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
374 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
375 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
376 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
377 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
378 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
379 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
380 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
381 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
382 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
383 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
384 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
385 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
386 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
387 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
388 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
389 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
390 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
391 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
392 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
393 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
394 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
395 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
396 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
397 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
398 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
399 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
400 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
401 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
402 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
403 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
404 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
405 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
406 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
407 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
408 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
409 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
410 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
411 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
414 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
415 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
416 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
418 /* ST Microelectronics */
419 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
422 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
423 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
424 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
425 .class = PCI_CLASS_STORAGE_SATA_AHCI,
426 .class_mask = 0xffffff,
427 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
428 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
429 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
430 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
431 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
432 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
433 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
434 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
435 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
436 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
437 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
438 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
439 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
440 .driver_data = board_ahci_yes_fbs },
441 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
442 .driver_data = board_ahci_yes_fbs },
445 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
448 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
449 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
450 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
451 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
454 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
456 /* Generic, PCI class code for AHCI */
457 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
458 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
460 { } /* terminate list */
464 static struct pci_driver ahci_pci_driver = {
466 .id_table = ahci_pci_tbl,
467 .probe = ahci_init_one,
468 .remove = ata_pci_remove_one,
470 .suspend = ahci_pci_device_suspend,
471 .resume = ahci_pci_device_resume,
475 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
476 static int marvell_enable;
478 static int marvell_enable = 1;
480 module_param(marvell_enable, int, 0644);
481 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
484 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
485 struct ahci_host_priv *hpriv)
487 unsigned int force_port_map = 0;
488 unsigned int mask_port_map = 0;
490 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
491 dev_info(&pdev->dev, "JMB361 has only one port\n");
496 * Temporary Marvell 6145 hack: PATA port presence
497 * is asserted through the standard AHCI port
498 * presence register, as bit 4 (counting from 0)
500 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
501 if (pdev->device == 0x6121)
506 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
509 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
513 static int ahci_pci_reset_controller(struct ata_host *host)
515 struct pci_dev *pdev = to_pci_dev(host->dev);
517 ahci_reset_controller(host);
519 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
520 struct ahci_host_priv *hpriv = host->private_data;
524 pci_read_config_word(pdev, 0x92, &tmp16);
525 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
526 tmp16 |= hpriv->port_map;
527 pci_write_config_word(pdev, 0x92, tmp16);
534 static void ahci_pci_init_controller(struct ata_host *host)
536 struct ahci_host_priv *hpriv = host->private_data;
537 struct pci_dev *pdev = to_pci_dev(host->dev);
538 void __iomem *port_mmio;
542 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
543 if (pdev->device == 0x6121)
547 port_mmio = __ahci_port_base(host, mv);
549 writel(0, port_mmio + PORT_IRQ_MASK);
552 tmp = readl(port_mmio + PORT_IRQ_STAT);
553 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
555 writel(tmp, port_mmio + PORT_IRQ_STAT);
558 ahci_init_controller(host);
561 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
562 unsigned long deadline)
564 struct ata_port *ap = link->ap;
570 ahci_stop_engine(ap);
572 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
573 deadline, &online, NULL);
575 ahci_start_engine(ap);
577 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
579 /* vt8251 doesn't clear BSY on signature FIS reception,
580 * request follow-up softreset.
582 return online ? -EAGAIN : rc;
585 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
586 unsigned long deadline)
588 struct ata_port *ap = link->ap;
589 struct ahci_port_priv *pp = ap->private_data;
590 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
591 struct ata_taskfile tf;
595 ahci_stop_engine(ap);
597 /* clear D2H reception area to properly wait for D2H FIS */
598 ata_tf_init(link->device, &tf);
599 tf.command = ATA_BUSY;
600 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
602 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
603 deadline, &online, NULL);
605 ahci_start_engine(ap);
607 /* The pseudo configuration device on SIMG4726 attached to
608 * ASUS P5W-DH Deluxe doesn't send signature FIS after
609 * hardreset if no device is attached to the first downstream
610 * port && the pseudo device locks up on SRST w/ PMP==0. To
611 * work around this, wait for !BSY only briefly. If BSY isn't
612 * cleared, perform CLO and proceed to IDENTIFY (achieved by
613 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
615 * Wait for two seconds. Devices attached to downstream port
616 * which can't process the following IDENTIFY after this will
617 * have to be reset again. For most cases, this should
618 * suffice while making probing snappish enough.
621 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
624 ahci_kick_engine(ap);
630 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
632 struct ata_host *host = pci_get_drvdata(pdev);
633 struct ahci_host_priv *hpriv = host->private_data;
634 void __iomem *mmio = hpriv->mmio;
637 if (mesg.event & PM_EVENT_SUSPEND &&
638 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
640 "BIOS update required for suspend/resume\n");
644 if (mesg.event & PM_EVENT_SLEEP) {
645 /* AHCI spec rev1.1 section 8.3.3:
646 * Software must disable interrupts prior to requesting a
647 * transition of the HBA to D3 state.
649 ctl = readl(mmio + HOST_CTL);
651 writel(ctl, mmio + HOST_CTL);
652 readl(mmio + HOST_CTL); /* flush */
655 return ata_pci_device_suspend(pdev, mesg);
658 static int ahci_pci_device_resume(struct pci_dev *pdev)
660 struct ata_host *host = pci_get_drvdata(pdev);
663 rc = ata_pci_device_do_resume(pdev);
667 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
668 rc = ahci_pci_reset_controller(host);
672 ahci_pci_init_controller(host);
675 ata_host_resume(host);
681 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
686 * If the device fixup already set the dma_mask to some non-standard
687 * value, don't extend it here. This happens on STA2X11, for example.
689 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
693 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
694 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
696 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
699 "64-bit DMA enable failed\n");
704 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
706 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
709 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
712 "32-bit consistent DMA enable failed\n");
719 static void ahci_pci_print_info(struct ata_host *host)
721 struct pci_dev *pdev = to_pci_dev(host->dev);
725 pci_read_config_word(pdev, 0x0a, &cc);
726 if (cc == PCI_CLASS_STORAGE_IDE)
728 else if (cc == PCI_CLASS_STORAGE_SATA)
730 else if (cc == PCI_CLASS_STORAGE_RAID)
735 ahci_print_info(host, scc_s);
738 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
739 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
740 * support PMP and the 4726 either directly exports the device
741 * attached to the first downstream port or acts as a hardware storage
742 * controller and emulate a single ATA device (can be RAID 0/1 or some
743 * other configuration).
745 * When there's no device attached to the first downstream port of the
746 * 4726, "Config Disk" appears, which is a pseudo ATA device to
747 * configure the 4726. However, ATA emulation of the device is very
748 * lame. It doesn't send signature D2H Reg FIS after the initial
749 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
751 * The following function works around the problem by always using
752 * hardreset on the port and not depending on receiving signature FIS
753 * afterward. If signature FIS isn't received soon, ATA class is
754 * assumed without follow-up softreset.
756 static void ahci_p5wdh_workaround(struct ata_host *host)
758 static struct dmi_system_id sysids[] = {
760 .ident = "P5W DH Deluxe",
762 DMI_MATCH(DMI_SYS_VENDOR,
763 "ASUSTEK COMPUTER INC"),
764 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
769 struct pci_dev *pdev = to_pci_dev(host->dev);
771 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
772 dmi_check_system(sysids)) {
773 struct ata_port *ap = host->ports[1];
776 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
778 ap->ops = &ahci_p5wdh_ops;
779 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
783 /* only some SB600 ahci controllers can do 64bit DMA */
784 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
786 static const struct dmi_system_id sysids[] = {
788 * The oldest version known to be broken is 0901 and
789 * working is 1501 which was released on 2007-10-26.
790 * Enable 64bit DMA on 1501 and anything newer.
792 * Please read bko#9412 for more info.
795 .ident = "ASUS M2A-VM",
797 DMI_MATCH(DMI_BOARD_VENDOR,
798 "ASUSTeK Computer INC."),
799 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
801 .driver_data = "20071026", /* yyyymmdd */
804 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
807 * BIOS versions earlier than 1.5 had the Manufacturer DMI
808 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
809 * This spelling mistake was fixed in BIOS version 1.5, so
810 * 1.5 and later have the Manufacturer as
811 * "MICRO-STAR INTERNATIONAL CO.,LTD".
812 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
814 * BIOS versions earlier than 1.9 had a Board Product Name
815 * DMI field of "MS-7376". This was changed to be
816 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
817 * match on DMI_BOARD_NAME of "MS-7376".
820 .ident = "MSI K9A2 Platinum",
822 DMI_MATCH(DMI_BOARD_VENDOR,
824 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
828 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
831 * This board also had the typo mentioned above in the
832 * Manufacturer DMI field (fixed in BIOS version 1.5), so
833 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
836 .ident = "MSI K9AGM2",
838 DMI_MATCH(DMI_BOARD_VENDOR,
840 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
844 * All BIOS versions for the Asus M3A support 64bit DMA.
845 * (all release versions from 0301 to 1206 were tested)
850 DMI_MATCH(DMI_BOARD_VENDOR,
851 "ASUSTeK Computer INC."),
852 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
857 const struct dmi_system_id *match;
858 int year, month, date;
861 match = dmi_first_match(sysids);
862 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
866 if (!match->driver_data)
869 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
870 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
872 if (strcmp(buf, match->driver_data) >= 0)
876 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
882 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
886 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
888 static const struct dmi_system_id broken_systems[] = {
890 .ident = "HP Compaq nx6310",
892 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
893 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
895 /* PCI slot number of the controller */
896 .driver_data = (void *)0x1FUL,
899 .ident = "HP Compaq 6720s",
901 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
902 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
904 /* PCI slot number of the controller */
905 .driver_data = (void *)0x1FUL,
908 { } /* terminate list */
910 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
913 unsigned long slot = (unsigned long)dmi->driver_data;
914 /* apply the quirk only to on-board controllers */
915 return slot == PCI_SLOT(pdev->devfn);
921 static bool ahci_broken_suspend(struct pci_dev *pdev)
923 static const struct dmi_system_id sysids[] = {
925 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
926 * to the harddisk doesn't become online after
927 * resuming from STR. Warn and fail suspend.
929 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
931 * Use dates instead of versions to match as HP is
932 * apparently recycling both product and version
935 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
940 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
941 DMI_MATCH(DMI_PRODUCT_NAME,
942 "HP Pavilion dv4 Notebook PC"),
944 .driver_data = "20090105", /* F.30 */
949 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
950 DMI_MATCH(DMI_PRODUCT_NAME,
951 "HP Pavilion dv5 Notebook PC"),
953 .driver_data = "20090506", /* F.16 */
958 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
959 DMI_MATCH(DMI_PRODUCT_NAME,
960 "HP Pavilion dv6 Notebook PC"),
962 .driver_data = "20090423", /* F.21 */
967 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
968 DMI_MATCH(DMI_PRODUCT_NAME,
969 "HP HDX18 Notebook PC"),
971 .driver_data = "20090430", /* F.23 */
974 * Acer eMachines G725 has the same problem. BIOS
975 * V1.03 is known to be broken. V3.04 is known to
976 * work. Between, there are V1.06, V2.06 and V3.03
977 * that we don't have much idea about. For now,
978 * blacklist anything older than V3.04.
980 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
985 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
986 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
988 .driver_data = "20091216", /* V3.04 */
990 { } /* terminate list */
992 const struct dmi_system_id *dmi = dmi_first_match(sysids);
993 int year, month, date;
996 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
999 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1000 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1002 return strcmp(buf, dmi->driver_data) < 0;
1005 static bool ahci_broken_online(struct pci_dev *pdev)
1007 #define ENCODE_BUSDEVFN(bus, slot, func) \
1008 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1009 static const struct dmi_system_id sysids[] = {
1011 * There are several gigabyte boards which use
1012 * SIMG5723s configured as hardware RAID. Certain
1013 * 5723 firmware revisions shipped there keep the link
1014 * online but fail to answer properly to SRST or
1015 * IDENTIFY when no device is attached downstream
1016 * causing libata to retry quite a few times leading
1017 * to excessive detection delay.
1019 * As these firmwares respond to the second reset try
1020 * with invalid device signature, considering unknown
1021 * sig as offline works around the problem acceptably.
1024 .ident = "EP45-DQ6",
1026 DMI_MATCH(DMI_BOARD_VENDOR,
1027 "Gigabyte Technology Co., Ltd."),
1028 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1030 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1033 .ident = "EP45-DS5",
1035 DMI_MATCH(DMI_BOARD_VENDOR,
1036 "Gigabyte Technology Co., Ltd."),
1037 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1039 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1041 { } /* terminate list */
1043 #undef ENCODE_BUSDEVFN
1044 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1050 val = (unsigned long)dmi->driver_data;
1052 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1055 #ifdef CONFIG_ATA_ACPI
1056 static void ahci_gtf_filter_workaround(struct ata_host *host)
1058 static const struct dmi_system_id sysids[] = {
1060 * Aspire 3810T issues a bunch of SATA enable commands
1061 * via _GTF including an invalid one and one which is
1062 * rejected by the device. Among the successful ones
1063 * is FPDMA non-zero offset enable which when enabled
1064 * only on the drive side leads to NCQ command
1065 * failures. Filter it out.
1068 .ident = "Aspire 3810T",
1070 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1071 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1073 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1077 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1078 unsigned int filter;
1084 filter = (unsigned long)dmi->driver_data;
1085 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1086 filter, dmi->ident);
1088 for (i = 0; i < host->n_ports; i++) {
1089 struct ata_port *ap = host->ports[i];
1090 struct ata_link *link;
1091 struct ata_device *dev;
1093 ata_for_each_link(link, ap, EDGE)
1094 ata_for_each_dev(dev, link, ALL)
1095 dev->gtf_filter |= filter;
1099 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1103 int ahci_init_interrupts(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1106 unsigned int maxvec;
1108 if (!(hpriv->flags & AHCI_HFLAG_NO_MSI)) {
1109 rc = pci_enable_msi_block_auto(pdev, &maxvec);
1111 if ((rc == maxvec) || (rc == 1))
1114 * Assume that advantage of multipe MSIs is negated,
1115 * so fallback to single MSI mode to save resources
1117 pci_disable_msi(pdev);
1118 if (!pci_enable_msi(pdev))
1128 * ahci_host_activate - start AHCI host, request IRQs and register it
1129 * @host: target ATA host
1130 * @irq: base IRQ number to request
1131 * @n_msis: number of MSIs allocated for this host
1132 * @irq_handler: irq_handler used when requesting IRQs
1133 * @irq_flags: irq_flags used when requesting IRQs
1135 * Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
1136 * when multiple MSIs were allocated. That is one MSI per port, starting
1140 * Inherited from calling layer (may sleep).
1143 * 0 on success, -errno otherwise.
1145 int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
1149 /* Sharing Last Message among several ports is not supported */
1150 if (n_msis < host->n_ports)
1153 rc = ata_host_start(host);
1157 for (i = 0; i < host->n_ports; i++) {
1159 struct ahci_port_priv *pp = host->ports[i]->private_data;
1161 /* pp is NULL for dummy ports */
1163 desc = pp->irq_desc;
1165 desc = dev_driver_string(host->dev);
1167 rc = devm_request_threaded_irq(host->dev,
1168 irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
1169 desc, host->ports[i]);
1174 for (i = 0; i < host->n_ports; i++)
1175 ata_port_desc(host->ports[i], "irq %d", irq + i);
1177 rc = ata_host_register(host, &ahci_sht);
1179 goto out_free_all_irqs;
1186 for (i--; i >= 0; i--)
1187 devm_free_irq(host->dev, irq + i, host->ports[i]);
1192 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1194 unsigned int board_id = ent->driver_data;
1195 struct ata_port_info pi = ahci_port_info[board_id];
1196 const struct ata_port_info *ppi[] = { &pi, NULL };
1197 struct device *dev = &pdev->dev;
1198 struct ahci_host_priv *hpriv;
1199 struct ata_host *host;
1200 int n_ports, n_msis, i, rc;
1201 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1205 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1207 ata_print_version_once(&pdev->dev, DRV_VERSION);
1209 /* The AHCI driver can only drive the SATA ports, the PATA driver
1210 can drive them all so if both drivers are selected make sure
1211 AHCI stays out of the way */
1212 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1216 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1217 * ahci, use ata_generic instead.
1219 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1220 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1221 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1222 pdev->subsystem_device == 0xcb89)
1225 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1226 * At the moment, we can only use the AHCI mode. Let the users know
1227 * that for SAS drives they're out of luck.
1229 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1230 dev_info(&pdev->dev,
1231 "PDC42819 can only drive SATA devices with this driver\n");
1233 /* Both Connext and Enmotus devices use non-standard BARs */
1234 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1235 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1236 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1237 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1239 /* acquire resources */
1240 rc = pcim_enable_device(pdev);
1244 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1245 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1248 /* ICH6s share the same PCI ID for both piix and ahci
1249 * modes. Enabling ahci mode while MAP indicates
1250 * combined mode is a bad idea. Yield to ata_piix.
1252 pci_read_config_byte(pdev, ICH_MAP, &map);
1254 dev_info(&pdev->dev,
1255 "controller is in combined mode, can't enable AHCI mode\n");
1260 /* AHCI controllers often implement SFF compatible interface.
1261 * Grab all PCI BARs just in case.
1263 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1265 pcim_pin_device(pdev);
1269 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1272 hpriv->flags |= (unsigned long)pi.private_data;
1274 /* MCP65 revision A1 and A2 can't do MSI */
1275 if (board_id == board_ahci_mcp65 &&
1276 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1277 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1279 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1280 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1281 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1283 /* only some SB600s can do 64bit DMA */
1284 if (ahci_sb600_enable_64bit(pdev))
1285 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1287 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1289 n_msis = ahci_init_interrupts(pdev, hpriv);
1291 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1293 /* save initial config */
1294 ahci_pci_save_initial_config(pdev, hpriv);
1297 if (hpriv->cap & HOST_CAP_NCQ) {
1298 pi.flags |= ATA_FLAG_NCQ;
1300 * Auto-activate optimization is supposed to be
1301 * supported on all AHCI controllers indicating NCQ
1302 * capability, but it seems to be broken on some
1303 * chipsets including NVIDIAs.
1305 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1306 pi.flags |= ATA_FLAG_FPDMA_AA;
1309 * All AHCI controllers should be forward-compatible
1310 * with the new auxiliary field. This code should be
1311 * conditionalized if any buggy AHCI controllers are
1314 pi.flags |= ATA_FLAG_FPDMA_AUX;
1317 if (hpriv->cap & HOST_CAP_PMP)
1318 pi.flags |= ATA_FLAG_PMP;
1320 ahci_set_em_messages(hpriv, &pi);
1322 if (ahci_broken_system_poweroff(pdev)) {
1323 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1324 dev_info(&pdev->dev,
1325 "quirky BIOS, skipping spindown on poweroff\n");
1328 if (ahci_broken_suspend(pdev)) {
1329 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1330 dev_warn(&pdev->dev,
1331 "BIOS update required for suspend/resume\n");
1334 if (ahci_broken_online(pdev)) {
1335 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1336 dev_info(&pdev->dev,
1337 "online status unreliable, applying workaround\n");
1340 /* CAP.NP sometimes indicate the index of the last enabled
1341 * port, at other times, that of the last possible port, so
1342 * determining the maximum port number requires looking at
1343 * both CAP.NP and port_map.
1345 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1347 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1350 host->private_data = hpriv;
1352 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1353 host->flags |= ATA_HOST_PARALLEL_SCAN;
1355 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1357 if (pi.flags & ATA_FLAG_EM)
1358 ahci_reset_em(host);
1360 for (i = 0; i < host->n_ports; i++) {
1361 struct ata_port *ap = host->ports[i];
1363 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1364 ata_port_pbar_desc(ap, ahci_pci_bar,
1365 0x100 + ap->port_no * 0x80, "port");
1367 /* set enclosure management message type */
1368 if (ap->flags & ATA_FLAG_EM)
1369 ap->em_message_type = hpriv->em_msg_type;
1372 /* disabled/not-implemented port */
1373 if (!(hpriv->port_map & (1 << i)))
1374 ap->ops = &ata_dummy_port_ops;
1377 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1378 ahci_p5wdh_workaround(host);
1380 /* apply gtf filter quirk */
1381 ahci_gtf_filter_workaround(host);
1383 /* initialize adapter */
1384 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1388 rc = ahci_pci_reset_controller(host);
1392 ahci_pci_init_controller(host);
1393 ahci_pci_print_info(host);
1395 pci_set_master(pdev);
1397 if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
1398 return ahci_host_activate(host, pdev->irq, n_msis);
1400 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1404 module_pci_driver(ahci_pci_driver);
1406 MODULE_AUTHOR("Jeff Garzik");
1407 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1408 MODULE_LICENSE("GPL");
1409 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1410 MODULE_VERSION(DRV_VERSION);