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 */
68 /* board IDs for specific chipsets in alphabetical order */
74 board_ahci_sb700, /* for SB700 and SB800 */
78 board_ahci_mcp_linux = board_ahci_mcp65,
79 board_ahci_mcp67 = board_ahci_mcp65,
80 board_ahci_mcp73 = board_ahci_mcp65,
81 board_ahci_mcp79 = board_ahci_mcp77,
84 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
85 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
86 unsigned long deadline);
87 static void ahci_mcp89_apple_enable(struct pci_dev *pdev);
88 static bool is_mcp89_apple(struct pci_dev *pdev);
89 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
90 unsigned long deadline);
92 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
93 static int ahci_pci_device_resume(struct pci_dev *pdev);
96 static struct scsi_host_template ahci_sht = {
100 static struct ata_port_operations ahci_vt8251_ops = {
101 .inherits = &ahci_ops,
102 .hardreset = ahci_vt8251_hardreset,
105 static struct ata_port_operations ahci_p5wdh_ops = {
106 .inherits = &ahci_ops,
107 .hardreset = ahci_p5wdh_hardreset,
110 static const struct ata_port_info ahci_port_info[] = {
113 .flags = AHCI_FLAG_COMMON,
114 .pio_mask = ATA_PIO4,
115 .udma_mask = ATA_UDMA6,
116 .port_ops = &ahci_ops,
118 [board_ahci_ign_iferr] = {
119 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
120 .flags = AHCI_FLAG_COMMON,
121 .pio_mask = ATA_PIO4,
122 .udma_mask = ATA_UDMA6,
123 .port_ops = &ahci_ops,
125 [board_ahci_noncq] = {
126 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
127 .flags = AHCI_FLAG_COMMON,
128 .pio_mask = ATA_PIO4,
129 .udma_mask = ATA_UDMA6,
130 .port_ops = &ahci_ops,
132 [board_ahci_nosntf] = {
133 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
134 .flags = AHCI_FLAG_COMMON,
135 .pio_mask = ATA_PIO4,
136 .udma_mask = ATA_UDMA6,
137 .port_ops = &ahci_ops,
139 [board_ahci_yes_fbs] = {
140 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
141 .flags = AHCI_FLAG_COMMON,
142 .pio_mask = ATA_PIO4,
143 .udma_mask = ATA_UDMA6,
144 .port_ops = &ahci_ops,
147 [board_ahci_mcp65] = {
148 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
150 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
151 .pio_mask = ATA_PIO4,
152 .udma_mask = ATA_UDMA6,
153 .port_ops = &ahci_ops,
155 [board_ahci_mcp77] = {
156 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
157 .flags = AHCI_FLAG_COMMON,
158 .pio_mask = ATA_PIO4,
159 .udma_mask = ATA_UDMA6,
160 .port_ops = &ahci_ops,
162 [board_ahci_mcp89] = {
163 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
164 .flags = AHCI_FLAG_COMMON,
165 .pio_mask = ATA_PIO4,
166 .udma_mask = ATA_UDMA6,
167 .port_ops = &ahci_ops,
170 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
171 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
172 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
173 .pio_mask = ATA_PIO4,
174 .udma_mask = ATA_UDMA6,
175 .port_ops = &ahci_ops,
177 [board_ahci_sb600] = {
178 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
179 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
180 AHCI_HFLAG_32BIT_ONLY),
181 .flags = AHCI_FLAG_COMMON,
182 .pio_mask = ATA_PIO4,
183 .udma_mask = ATA_UDMA6,
184 .port_ops = &ahci_pmp_retry_srst_ops,
186 [board_ahci_sb700] = { /* for SB700 and SB800 */
187 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
188 .flags = AHCI_FLAG_COMMON,
189 .pio_mask = ATA_PIO4,
190 .udma_mask = ATA_UDMA6,
191 .port_ops = &ahci_pmp_retry_srst_ops,
193 [board_ahci_vt8251] = {
194 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
195 .flags = AHCI_FLAG_COMMON,
196 .pio_mask = ATA_PIO4,
197 .udma_mask = ATA_UDMA6,
198 .port_ops = &ahci_vt8251_ops,
202 static const struct pci_device_id ahci_pci_tbl[] = {
204 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
205 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
206 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
207 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
208 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
209 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
210 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
211 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
212 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
213 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
214 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
215 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
216 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
217 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
218 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
219 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
220 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
221 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
222 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
223 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
224 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
225 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
226 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
227 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
228 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
229 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
230 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
231 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
232 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
233 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
234 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
235 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
236 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
237 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
238 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
239 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
240 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
241 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
242 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
243 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
244 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
245 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
246 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
247 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
248 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
249 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
250 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
251 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
252 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
253 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
254 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
255 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
256 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
257 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
258 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
259 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
260 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
261 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
262 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
263 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
264 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
265 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
266 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
267 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
268 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
269 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
270 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
271 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
272 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
273 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
274 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
275 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
276 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
277 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
278 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
279 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
280 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
281 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
282 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
283 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
284 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
285 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
286 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci }, /* Avoton AHCI */
287 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci }, /* Avoton AHCI */
288 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci }, /* Avoton RAID */
289 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci }, /* Avoton RAID */
290 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci }, /* Avoton RAID */
291 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */
292 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */
293 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */
294 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
295 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
296 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
297 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
298 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
299 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
300 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
301 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
302 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
303 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
304 { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
305 { PCI_VDEVICE(INTEL, 0x9c83), board_ahci }, /* Wildcat Point-LP AHCI */
306 { PCI_VDEVICE(INTEL, 0x9c85), board_ahci }, /* Wildcat Point-LP RAID */
307 { PCI_VDEVICE(INTEL, 0x9c87), board_ahci }, /* Wildcat Point-LP RAID */
308 { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci }, /* Wildcat Point-LP RAID */
310 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
311 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
312 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
313 /* JMicron 362B and 362C have an AHCI function with IDE class code */
314 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
315 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
318 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
319 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
320 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
321 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
322 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
323 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
324 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
327 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
328 { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
329 /* AMD is using RAID class only for ahci controllers */
330 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
331 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
334 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
335 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
338 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
339 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
340 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
341 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
342 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
343 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
344 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
345 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
346 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
347 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
348 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
349 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
350 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
351 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
352 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
353 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
354 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
355 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
356 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
357 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
358 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
359 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
360 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
361 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
362 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
363 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
364 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
365 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
366 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
367 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
368 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
369 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
370 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
371 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
372 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
373 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
374 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
375 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
376 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
377 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
378 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
379 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
380 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
381 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
382 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
383 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
384 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
385 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
386 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
387 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
388 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
389 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
390 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
391 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
392 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
393 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
394 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
395 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
396 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
397 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
398 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
399 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
400 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
401 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
402 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
403 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
404 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
405 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
406 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
407 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
408 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
409 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
410 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
411 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
412 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
413 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
414 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
415 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
416 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
417 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
418 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
419 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
420 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
421 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
424 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
425 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
426 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
428 /* ST Microelectronics */
429 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
432 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
433 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
434 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123),
435 .class = PCI_CLASS_STORAGE_SATA_AHCI,
436 .class_mask = 0xffffff,
437 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
438 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
439 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
440 { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
441 PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
442 .driver_data = board_ahci_yes_fbs }, /* 88se9170 */
443 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
444 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
445 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
446 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
447 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192),
448 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
449 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
450 .driver_data = board_ahci_yes_fbs },
451 { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
452 .driver_data = board_ahci_yes_fbs },
455 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
458 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
459 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
460 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
461 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
464 * Samsung SSDs found on some macbooks. NCQ times out.
465 * https://bugzilla.kernel.org/show_bug.cgi?id=60731
467 { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_noncq },
470 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
472 /* Generic, PCI class code for AHCI */
473 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
474 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
476 { } /* terminate list */
480 static struct pci_driver ahci_pci_driver = {
482 .id_table = ahci_pci_tbl,
483 .probe = ahci_init_one,
484 .remove = ata_pci_remove_one,
486 .suspend = ahci_pci_device_suspend,
487 .resume = ahci_pci_device_resume,
491 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
492 static int marvell_enable;
494 static int marvell_enable = 1;
496 module_param(marvell_enable, int, 0644);
497 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
500 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
501 struct ahci_host_priv *hpriv)
503 unsigned int force_port_map = 0;
504 unsigned int mask_port_map = 0;
506 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
507 dev_info(&pdev->dev, "JMB361 has only one port\n");
512 * Temporary Marvell 6145 hack: PATA port presence
513 * is asserted through the standard AHCI port
514 * presence register, as bit 4 (counting from 0)
516 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
517 if (pdev->device == 0x6121)
522 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
525 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
529 static int ahci_pci_reset_controller(struct ata_host *host)
531 struct pci_dev *pdev = to_pci_dev(host->dev);
533 ahci_reset_controller(host);
535 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
536 struct ahci_host_priv *hpriv = host->private_data;
540 pci_read_config_word(pdev, 0x92, &tmp16);
541 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
542 tmp16 |= hpriv->port_map;
543 pci_write_config_word(pdev, 0x92, tmp16);
550 static void ahci_pci_init_controller(struct ata_host *host)
552 struct ahci_host_priv *hpriv = host->private_data;
553 struct pci_dev *pdev = to_pci_dev(host->dev);
554 void __iomem *port_mmio;
558 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
559 if (pdev->device == 0x6121)
563 port_mmio = __ahci_port_base(host, mv);
565 writel(0, port_mmio + PORT_IRQ_MASK);
568 tmp = readl(port_mmio + PORT_IRQ_STAT);
569 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
571 writel(tmp, port_mmio + PORT_IRQ_STAT);
574 ahci_init_controller(host);
577 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
578 unsigned long deadline)
580 struct ata_port *ap = link->ap;
586 ahci_stop_engine(ap);
588 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
589 deadline, &online, NULL);
591 ahci_start_engine(ap);
593 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
595 /* vt8251 doesn't clear BSY on signature FIS reception,
596 * request follow-up softreset.
598 return online ? -EAGAIN : rc;
601 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
602 unsigned long deadline)
604 struct ata_port *ap = link->ap;
605 struct ahci_port_priv *pp = ap->private_data;
606 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
607 struct ata_taskfile tf;
611 ahci_stop_engine(ap);
613 /* clear D2H reception area to properly wait for D2H FIS */
614 ata_tf_init(link->device, &tf);
615 tf.command = ATA_BUSY;
616 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
618 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
619 deadline, &online, NULL);
621 ahci_start_engine(ap);
623 /* The pseudo configuration device on SIMG4726 attached to
624 * ASUS P5W-DH Deluxe doesn't send signature FIS after
625 * hardreset if no device is attached to the first downstream
626 * port && the pseudo device locks up on SRST w/ PMP==0. To
627 * work around this, wait for !BSY only briefly. If BSY isn't
628 * cleared, perform CLO and proceed to IDENTIFY (achieved by
629 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
631 * Wait for two seconds. Devices attached to downstream port
632 * which can't process the following IDENTIFY after this will
633 * have to be reset again. For most cases, this should
634 * suffice while making probing snappish enough.
637 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
640 ahci_kick_engine(ap);
646 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
648 struct ata_host *host = pci_get_drvdata(pdev);
649 struct ahci_host_priv *hpriv = host->private_data;
650 void __iomem *mmio = hpriv->mmio;
653 if (mesg.event & PM_EVENT_SUSPEND &&
654 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
656 "BIOS update required for suspend/resume\n");
660 if (mesg.event & PM_EVENT_SLEEP) {
661 /* AHCI spec rev1.1 section 8.3.3:
662 * Software must disable interrupts prior to requesting a
663 * transition of the HBA to D3 state.
665 ctl = readl(mmio + HOST_CTL);
667 writel(ctl, mmio + HOST_CTL);
668 readl(mmio + HOST_CTL); /* flush */
671 return ata_pci_device_suspend(pdev, mesg);
674 static int ahci_pci_device_resume(struct pci_dev *pdev)
676 struct ata_host *host = pci_get_drvdata(pdev);
679 rc = ata_pci_device_do_resume(pdev);
683 /* Apple BIOS helpfully mangles the registers on resume */
684 if (is_mcp89_apple(pdev))
685 ahci_mcp89_apple_enable(pdev);
687 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
688 rc = ahci_pci_reset_controller(host);
692 ahci_pci_init_controller(host);
695 ata_host_resume(host);
701 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
706 * If the device fixup already set the dma_mask to some non-standard
707 * value, don't extend it here. This happens on STA2X11, for example.
709 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
713 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
714 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
716 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
719 "64-bit DMA enable failed\n");
724 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
726 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
729 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
732 "32-bit consistent DMA enable failed\n");
739 static void ahci_pci_print_info(struct ata_host *host)
741 struct pci_dev *pdev = to_pci_dev(host->dev);
745 pci_read_config_word(pdev, 0x0a, &cc);
746 if (cc == PCI_CLASS_STORAGE_IDE)
748 else if (cc == PCI_CLASS_STORAGE_SATA)
750 else if (cc == PCI_CLASS_STORAGE_RAID)
755 ahci_print_info(host, scc_s);
758 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
759 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
760 * support PMP and the 4726 either directly exports the device
761 * attached to the first downstream port or acts as a hardware storage
762 * controller and emulate a single ATA device (can be RAID 0/1 or some
763 * other configuration).
765 * When there's no device attached to the first downstream port of the
766 * 4726, "Config Disk" appears, which is a pseudo ATA device to
767 * configure the 4726. However, ATA emulation of the device is very
768 * lame. It doesn't send signature D2H Reg FIS after the initial
769 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
771 * The following function works around the problem by always using
772 * hardreset on the port and not depending on receiving signature FIS
773 * afterward. If signature FIS isn't received soon, ATA class is
774 * assumed without follow-up softreset.
776 static void ahci_p5wdh_workaround(struct ata_host *host)
778 static struct dmi_system_id sysids[] = {
780 .ident = "P5W DH Deluxe",
782 DMI_MATCH(DMI_SYS_VENDOR,
783 "ASUSTEK COMPUTER INC"),
784 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
789 struct pci_dev *pdev = to_pci_dev(host->dev);
791 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
792 dmi_check_system(sysids)) {
793 struct ata_port *ap = host->ports[1];
796 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
798 ap->ops = &ahci_p5wdh_ops;
799 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
804 * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when
805 * booting in BIOS compatibility mode. We restore the registers but not ID.
807 static void ahci_mcp89_apple_enable(struct pci_dev *pdev)
811 printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n");
813 pci_read_config_dword(pdev, 0xf8, &val);
815 /* the following changes the device ID, but appears not to affect function */
816 /* val = (val & ~0xf0000000) | 0x80000000; */
817 pci_write_config_dword(pdev, 0xf8, val);
819 pci_read_config_dword(pdev, 0x54c, &val);
821 pci_write_config_dword(pdev, 0x54c, val);
823 pci_read_config_dword(pdev, 0x4a4, &val);
826 pci_write_config_dword(pdev, 0x4a4, val);
828 pci_read_config_dword(pdev, 0x54c, &val);
830 pci_write_config_dword(pdev, 0x54c, val);
832 pci_read_config_dword(pdev, 0xf8, &val);
834 pci_write_config_dword(pdev, 0xf8, val);
837 static bool is_mcp89_apple(struct pci_dev *pdev)
839 return pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
840 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
841 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
842 pdev->subsystem_device == 0xcb89;
845 /* only some SB600 ahci controllers can do 64bit DMA */
846 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
848 static const struct dmi_system_id sysids[] = {
850 * The oldest version known to be broken is 0901 and
851 * working is 1501 which was released on 2007-10-26.
852 * Enable 64bit DMA on 1501 and anything newer.
854 * Please read bko#9412 for more info.
857 .ident = "ASUS M2A-VM",
859 DMI_MATCH(DMI_BOARD_VENDOR,
860 "ASUSTeK Computer INC."),
861 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
863 .driver_data = "20071026", /* yyyymmdd */
866 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
869 * BIOS versions earlier than 1.5 had the Manufacturer DMI
870 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
871 * This spelling mistake was fixed in BIOS version 1.5, so
872 * 1.5 and later have the Manufacturer as
873 * "MICRO-STAR INTERNATIONAL CO.,LTD".
874 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
876 * BIOS versions earlier than 1.9 had a Board Product Name
877 * DMI field of "MS-7376". This was changed to be
878 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
879 * match on DMI_BOARD_NAME of "MS-7376".
882 .ident = "MSI K9A2 Platinum",
884 DMI_MATCH(DMI_BOARD_VENDOR,
886 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
890 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
893 * This board also had the typo mentioned above in the
894 * Manufacturer DMI field (fixed in BIOS version 1.5), so
895 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
898 .ident = "MSI K9AGM2",
900 DMI_MATCH(DMI_BOARD_VENDOR,
902 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
906 * All BIOS versions for the Asus M3A support 64bit DMA.
907 * (all release versions from 0301 to 1206 were tested)
912 DMI_MATCH(DMI_BOARD_VENDOR,
913 "ASUSTeK Computer INC."),
914 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
919 const struct dmi_system_id *match;
920 int year, month, date;
923 match = dmi_first_match(sysids);
924 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
928 if (!match->driver_data)
931 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
932 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
934 if (strcmp(buf, match->driver_data) >= 0)
938 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
944 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
948 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
950 static const struct dmi_system_id broken_systems[] = {
952 .ident = "HP Compaq nx6310",
954 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
955 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
957 /* PCI slot number of the controller */
958 .driver_data = (void *)0x1FUL,
961 .ident = "HP Compaq 6720s",
963 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
964 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
966 /* PCI slot number of the controller */
967 .driver_data = (void *)0x1FUL,
970 { } /* terminate list */
972 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
975 unsigned long slot = (unsigned long)dmi->driver_data;
976 /* apply the quirk only to on-board controllers */
977 return slot == PCI_SLOT(pdev->devfn);
983 static bool ahci_broken_suspend(struct pci_dev *pdev)
985 static const struct dmi_system_id sysids[] = {
987 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
988 * to the harddisk doesn't become online after
989 * resuming from STR. Warn and fail suspend.
991 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
993 * Use dates instead of versions to match as HP is
994 * apparently recycling both product and version
997 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
1002 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1003 DMI_MATCH(DMI_PRODUCT_NAME,
1004 "HP Pavilion dv4 Notebook PC"),
1006 .driver_data = "20090105", /* F.30 */
1011 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1012 DMI_MATCH(DMI_PRODUCT_NAME,
1013 "HP Pavilion dv5 Notebook PC"),
1015 .driver_data = "20090506", /* F.16 */
1020 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1021 DMI_MATCH(DMI_PRODUCT_NAME,
1022 "HP Pavilion dv6 Notebook PC"),
1024 .driver_data = "20090423", /* F.21 */
1029 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
1030 DMI_MATCH(DMI_PRODUCT_NAME,
1031 "HP HDX18 Notebook PC"),
1033 .driver_data = "20090430", /* F.23 */
1036 * Acer eMachines G725 has the same problem. BIOS
1037 * V1.03 is known to be broken. V3.04 is known to
1038 * work. Between, there are V1.06, V2.06 and V3.03
1039 * that we don't have much idea about. For now,
1040 * blacklist anything older than V3.04.
1042 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
1047 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
1048 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
1050 .driver_data = "20091216", /* V3.04 */
1052 { } /* terminate list */
1054 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1055 int year, month, date;
1058 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
1061 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
1062 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
1064 return strcmp(buf, dmi->driver_data) < 0;
1067 static bool ahci_broken_online(struct pci_dev *pdev)
1069 #define ENCODE_BUSDEVFN(bus, slot, func) \
1070 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
1071 static const struct dmi_system_id sysids[] = {
1073 * There are several gigabyte boards which use
1074 * SIMG5723s configured as hardware RAID. Certain
1075 * 5723 firmware revisions shipped there keep the link
1076 * online but fail to answer properly to SRST or
1077 * IDENTIFY when no device is attached downstream
1078 * causing libata to retry quite a few times leading
1079 * to excessive detection delay.
1081 * As these firmwares respond to the second reset try
1082 * with invalid device signature, considering unknown
1083 * sig as offline works around the problem acceptably.
1086 .ident = "EP45-DQ6",
1088 DMI_MATCH(DMI_BOARD_VENDOR,
1089 "Gigabyte Technology Co., Ltd."),
1090 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1092 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1095 .ident = "EP45-DS5",
1097 DMI_MATCH(DMI_BOARD_VENDOR,
1098 "Gigabyte Technology Co., Ltd."),
1099 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1101 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1103 { } /* terminate list */
1105 #undef ENCODE_BUSDEVFN
1106 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1112 val = (unsigned long)dmi->driver_data;
1114 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1117 #ifdef CONFIG_ATA_ACPI
1118 static void ahci_gtf_filter_workaround(struct ata_host *host)
1120 static const struct dmi_system_id sysids[] = {
1122 * Aspire 3810T issues a bunch of SATA enable commands
1123 * via _GTF including an invalid one and one which is
1124 * rejected by the device. Among the successful ones
1125 * is FPDMA non-zero offset enable which when enabled
1126 * only on the drive side leads to NCQ command
1127 * failures. Filter it out.
1130 .ident = "Aspire 3810T",
1132 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1133 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1135 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1139 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1140 unsigned int filter;
1146 filter = (unsigned long)dmi->driver_data;
1147 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1148 filter, dmi->ident);
1150 for (i = 0; i < host->n_ports; i++) {
1151 struct ata_port *ap = host->ports[i];
1152 struct ata_link *link;
1153 struct ata_device *dev;
1155 ata_for_each_link(link, ap, EDGE)
1156 ata_for_each_dev(dev, link, ALL)
1157 dev->gtf_filter |= filter;
1161 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1165 static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
1166 struct ahci_host_priv *hpriv)
1170 if (hpriv->flags & AHCI_HFLAG_NO_MSI)
1173 rc = pci_msi_vec_count(pdev);
1178 * If number of MSIs is less than number of ports then Sharing Last
1179 * Message mode could be enforced. In this case assume that advantage
1180 * of multipe MSIs is negated and use single MSI mode instead.
1186 rc = pci_enable_msi_block(pdev, nvec);
1192 /* fallback to single MSI mode if the controller enforced MRSM mode */
1193 if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
1194 pci_disable_msi(pdev);
1195 printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
1202 rc = pci_enable_msi(pdev);
1213 * ahci_host_activate - start AHCI host, request IRQs and register it
1214 * @host: target ATA host
1215 * @irq: base IRQ number to request
1216 * @n_msis: number of MSIs allocated for this host
1217 * @irq_handler: irq_handler used when requesting IRQs
1218 * @irq_flags: irq_flags used when requesting IRQs
1220 * Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
1221 * when multiple MSIs were allocated. That is one MSI per port, starting
1225 * Inherited from calling layer (may sleep).
1228 * 0 on success, -errno otherwise.
1230 int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
1234 /* Sharing Last Message among several ports is not supported */
1235 if (n_msis < host->n_ports)
1238 rc = ata_host_start(host);
1242 for (i = 0; i < host->n_ports; i++) {
1243 struct ahci_port_priv *pp = host->ports[i]->private_data;
1245 /* Do not receive interrupts sent by dummy ports */
1247 disable_irq(irq + i);
1251 rc = devm_request_threaded_irq(host->dev, irq + i,
1253 ahci_thread_fn, IRQF_SHARED,
1254 pp->irq_desc, host->ports[i]);
1259 for (i = 0; i < host->n_ports; i++)
1260 ata_port_desc(host->ports[i], "irq %d", irq + i);
1262 rc = ata_host_register(host, &ahci_sht);
1264 goto out_free_all_irqs;
1271 for (i--; i >= 0; i--)
1272 devm_free_irq(host->dev, irq + i, host->ports[i]);
1277 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1279 unsigned int board_id = ent->driver_data;
1280 struct ata_port_info pi = ahci_port_info[board_id];
1281 const struct ata_port_info *ppi[] = { &pi, NULL };
1282 struct device *dev = &pdev->dev;
1283 struct ahci_host_priv *hpriv;
1284 struct ata_host *host;
1285 int n_ports, n_msis, i, rc;
1286 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1290 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1292 ata_print_version_once(&pdev->dev, DRV_VERSION);
1294 /* The AHCI driver can only drive the SATA ports, the PATA driver
1295 can drive them all so if both drivers are selected make sure
1296 AHCI stays out of the way */
1297 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1300 /* Apple BIOS on MCP89 prevents us using AHCI */
1301 if (is_mcp89_apple(pdev))
1302 ahci_mcp89_apple_enable(pdev);
1304 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1305 * At the moment, we can only use the AHCI mode. Let the users know
1306 * that for SAS drives they're out of luck.
1308 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1309 dev_info(&pdev->dev,
1310 "PDC42819 can only drive SATA devices with this driver\n");
1312 /* Both Connext and Enmotus devices use non-standard BARs */
1313 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1314 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1315 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1316 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1318 /* acquire resources */
1319 rc = pcim_enable_device(pdev);
1323 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1324 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1327 /* ICH6s share the same PCI ID for both piix and ahci
1328 * modes. Enabling ahci mode while MAP indicates
1329 * combined mode is a bad idea. Yield to ata_piix.
1331 pci_read_config_byte(pdev, ICH_MAP, &map);
1333 dev_info(&pdev->dev,
1334 "controller is in combined mode, can't enable AHCI mode\n");
1339 /* AHCI controllers often implement SFF compatible interface.
1340 * Grab all PCI BARs just in case.
1342 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1344 pcim_pin_device(pdev);
1348 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1351 hpriv->flags |= (unsigned long)pi.private_data;
1353 /* MCP65 revision A1 and A2 can't do MSI */
1354 if (board_id == board_ahci_mcp65 &&
1355 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1356 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1358 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1359 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1360 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1362 /* only some SB600s can do 64bit DMA */
1363 if (ahci_sb600_enable_64bit(pdev))
1364 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1366 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1368 /* save initial config */
1369 ahci_pci_save_initial_config(pdev, hpriv);
1372 if (hpriv->cap & HOST_CAP_NCQ) {
1373 pi.flags |= ATA_FLAG_NCQ;
1375 * Auto-activate optimization is supposed to be
1376 * supported on all AHCI controllers indicating NCQ
1377 * capability, but it seems to be broken on some
1378 * chipsets including NVIDIAs.
1380 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1381 pi.flags |= ATA_FLAG_FPDMA_AA;
1384 * All AHCI controllers should be forward-compatible
1385 * with the new auxiliary field. This code should be
1386 * conditionalized if any buggy AHCI controllers are
1389 pi.flags |= ATA_FLAG_FPDMA_AUX;
1392 if (hpriv->cap & HOST_CAP_PMP)
1393 pi.flags |= ATA_FLAG_PMP;
1395 ahci_set_em_messages(hpriv, &pi);
1397 if (ahci_broken_system_poweroff(pdev)) {
1398 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1399 dev_info(&pdev->dev,
1400 "quirky BIOS, skipping spindown on poweroff\n");
1403 if (ahci_broken_suspend(pdev)) {
1404 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1405 dev_warn(&pdev->dev,
1406 "BIOS update required for suspend/resume\n");
1409 if (ahci_broken_online(pdev)) {
1410 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1411 dev_info(&pdev->dev,
1412 "online status unreliable, applying workaround\n");
1415 /* CAP.NP sometimes indicate the index of the last enabled
1416 * port, at other times, that of the last possible port, so
1417 * determining the maximum port number requires looking at
1418 * both CAP.NP and port_map.
1420 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1422 n_msis = ahci_init_interrupts(pdev, n_ports, hpriv);
1424 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1426 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1429 host->private_data = hpriv;
1431 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1432 host->flags |= ATA_HOST_PARALLEL_SCAN;
1434 dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n");
1436 if (pi.flags & ATA_FLAG_EM)
1437 ahci_reset_em(host);
1439 for (i = 0; i < host->n_ports; i++) {
1440 struct ata_port *ap = host->ports[i];
1442 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1443 ata_port_pbar_desc(ap, ahci_pci_bar,
1444 0x100 + ap->port_no * 0x80, "port");
1446 /* set enclosure management message type */
1447 if (ap->flags & ATA_FLAG_EM)
1448 ap->em_message_type = hpriv->em_msg_type;
1451 /* disabled/not-implemented port */
1452 if (!(hpriv->port_map & (1 << i)))
1453 ap->ops = &ata_dummy_port_ops;
1456 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1457 ahci_p5wdh_workaround(host);
1459 /* apply gtf filter quirk */
1460 ahci_gtf_filter_workaround(host);
1462 /* initialize adapter */
1463 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1467 rc = ahci_pci_reset_controller(host);
1471 ahci_pci_init_controller(host);
1472 ahci_pci_print_info(host);
1474 pci_set_master(pdev);
1476 if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
1477 return ahci_host_activate(host, pdev->irq, n_msis);
1479 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1483 module_pci_driver(ahci_pci_driver);
1485 MODULE_AUTHOR("Jeff Garzik");
1486 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1487 MODULE_LICENSE("GPL");
1488 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1489 MODULE_VERSION(DRV_VERSION);