2 * ahci.c - AHCI SATA support
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
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_STANDARD = 5,
60 /* board IDs by feature in alphabetical order */
66 /* board IDs for specific chipsets in alphabetical order */
72 board_ahci_sb700, /* for SB700 and SB800 */
76 board_ahci_mcp_linux = board_ahci_mcp65,
77 board_ahci_mcp67 = board_ahci_mcp65,
78 board_ahci_mcp73 = board_ahci_mcp65,
79 board_ahci_mcp79 = board_ahci_mcp77,
82 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
83 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
84 unsigned long deadline);
85 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
86 unsigned long deadline);
88 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
89 static int ahci_pci_device_resume(struct pci_dev *pdev);
92 static struct scsi_host_template ahci_sht = {
96 static struct ata_port_operations ahci_vt8251_ops = {
97 .inherits = &ahci_ops,
98 .hardreset = ahci_vt8251_hardreset,
101 static struct ata_port_operations ahci_p5wdh_ops = {
102 .inherits = &ahci_ops,
103 .hardreset = ahci_p5wdh_hardreset,
106 static const struct ata_port_info ahci_port_info[] = {
109 .flags = AHCI_FLAG_COMMON,
110 .pio_mask = ATA_PIO4,
111 .udma_mask = ATA_UDMA6,
112 .port_ops = &ahci_ops,
114 [board_ahci_ign_iferr] = {
115 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
116 .flags = AHCI_FLAG_COMMON,
117 .pio_mask = ATA_PIO4,
118 .udma_mask = ATA_UDMA6,
119 .port_ops = &ahci_ops,
121 [board_ahci_nosntf] = {
122 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
123 .flags = AHCI_FLAG_COMMON,
124 .pio_mask = ATA_PIO4,
125 .udma_mask = ATA_UDMA6,
126 .port_ops = &ahci_ops,
128 [board_ahci_yes_fbs] = {
129 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
130 .flags = AHCI_FLAG_COMMON,
131 .pio_mask = ATA_PIO4,
132 .udma_mask = ATA_UDMA6,
133 .port_ops = &ahci_ops,
136 [board_ahci_mcp65] = {
137 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
139 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
140 .pio_mask = ATA_PIO4,
141 .udma_mask = ATA_UDMA6,
142 .port_ops = &ahci_ops,
144 [board_ahci_mcp77] = {
145 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
146 .flags = AHCI_FLAG_COMMON,
147 .pio_mask = ATA_PIO4,
148 .udma_mask = ATA_UDMA6,
149 .port_ops = &ahci_ops,
151 [board_ahci_mcp89] = {
152 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
153 .flags = AHCI_FLAG_COMMON,
154 .pio_mask = ATA_PIO4,
155 .udma_mask = ATA_UDMA6,
156 .port_ops = &ahci_ops,
159 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
160 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
161 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
162 .pio_mask = ATA_PIO4,
163 .udma_mask = ATA_UDMA6,
164 .port_ops = &ahci_ops,
166 [board_ahci_sb600] = {
167 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
168 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
169 AHCI_HFLAG_32BIT_ONLY),
170 .flags = AHCI_FLAG_COMMON,
171 .pio_mask = ATA_PIO4,
172 .udma_mask = ATA_UDMA6,
173 .port_ops = &ahci_pmp_retry_srst_ops,
175 [board_ahci_sb700] = { /* for SB700 and SB800 */
176 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
177 .flags = AHCI_FLAG_COMMON,
178 .pio_mask = ATA_PIO4,
179 .udma_mask = ATA_UDMA6,
180 .port_ops = &ahci_pmp_retry_srst_ops,
182 [board_ahci_vt8251] = {
183 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
184 .flags = AHCI_FLAG_COMMON,
185 .pio_mask = ATA_PIO4,
186 .udma_mask = ATA_UDMA6,
187 .port_ops = &ahci_vt8251_ops,
191 static const struct pci_device_id ahci_pci_tbl[] = {
193 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
194 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
195 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
196 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
197 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
198 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
199 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
200 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
201 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
202 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
203 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
204 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
205 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
206 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
207 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
208 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
209 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
210 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
211 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
212 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
213 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
214 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
215 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
216 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
217 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
218 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
219 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
220 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
221 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
222 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
223 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
224 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
225 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
226 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
227 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
228 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
229 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
230 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
231 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
232 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
233 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
234 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
235 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
236 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
237 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
238 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
239 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
240 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
241 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
242 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
243 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
244 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
245 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
246 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
247 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
248 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
249 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
250 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
251 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
252 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
253 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
254 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
255 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
256 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
257 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
258 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
259 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
260 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
261 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
262 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
263 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
264 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
265 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
266 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
268 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
269 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
270 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
271 /* JMicron 362B and 362C have an AHCI function with IDE class code */
272 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
273 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
276 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
277 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
278 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
279 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
280 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
281 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
282 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
285 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
286 /* AMD is using RAID class only for ahci controllers */
287 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
288 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
291 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
292 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
295 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
296 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
297 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
298 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
299 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
300 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
301 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
302 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
303 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
304 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
305 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
306 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
307 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
308 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
309 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
310 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
311 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
312 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
313 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
314 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
315 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
316 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
317 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
318 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
319 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
320 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
321 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
322 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
323 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
324 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
325 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
326 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
327 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
328 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
329 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
330 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
331 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
332 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
333 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
334 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
335 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
336 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
337 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
338 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
339 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
340 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
341 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
342 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
343 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
344 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
345 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
346 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
347 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
348 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
349 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
350 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
351 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
352 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
353 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
354 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
355 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
356 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
357 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
358 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
359 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
360 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
361 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
362 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
363 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
364 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
365 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
366 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
367 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
368 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
369 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
370 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
371 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
372 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
373 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
374 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
375 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
376 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
377 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
378 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
381 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
382 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
383 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
385 /* ST Microelectronics */
386 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
389 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
390 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
391 { PCI_DEVICE(0x1b4b, 0x9123),
392 .class = PCI_CLASS_STORAGE_SATA_AHCI,
393 .class_mask = 0xffffff,
394 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
395 { PCI_DEVICE(0x1b4b, 0x9125),
396 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
397 { PCI_DEVICE(0x1b4b, 0x917a),
398 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
399 { PCI_DEVICE(0x1b4b, 0x91a3),
400 .driver_data = board_ahci_yes_fbs },
403 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
406 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */
408 /* Generic, PCI class code for AHCI */
409 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
410 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
412 { } /* terminate list */
416 static struct pci_driver ahci_pci_driver = {
418 .id_table = ahci_pci_tbl,
419 .probe = ahci_init_one,
420 .remove = ata_pci_remove_one,
422 .suspend = ahci_pci_device_suspend,
423 .resume = ahci_pci_device_resume,
427 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
428 static int marvell_enable;
430 static int marvell_enable = 1;
432 module_param(marvell_enable, int, 0644);
433 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
436 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
437 struct ahci_host_priv *hpriv)
439 unsigned int force_port_map = 0;
440 unsigned int mask_port_map = 0;
442 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
443 dev_info(&pdev->dev, "JMB361 has only one port\n");
448 * Temporary Marvell 6145 hack: PATA port presence
449 * is asserted through the standard AHCI port
450 * presence register, as bit 4 (counting from 0)
452 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
453 if (pdev->device == 0x6121)
458 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
461 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
465 static int ahci_pci_reset_controller(struct ata_host *host)
467 struct pci_dev *pdev = to_pci_dev(host->dev);
469 ahci_reset_controller(host);
471 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
472 struct ahci_host_priv *hpriv = host->private_data;
476 pci_read_config_word(pdev, 0x92, &tmp16);
477 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
478 tmp16 |= hpriv->port_map;
479 pci_write_config_word(pdev, 0x92, tmp16);
486 static void ahci_pci_init_controller(struct ata_host *host)
488 struct ahci_host_priv *hpriv = host->private_data;
489 struct pci_dev *pdev = to_pci_dev(host->dev);
490 void __iomem *port_mmio;
494 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
495 if (pdev->device == 0x6121)
499 port_mmio = __ahci_port_base(host, mv);
501 writel(0, port_mmio + PORT_IRQ_MASK);
504 tmp = readl(port_mmio + PORT_IRQ_STAT);
505 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
507 writel(tmp, port_mmio + PORT_IRQ_STAT);
510 ahci_init_controller(host);
513 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
514 unsigned long deadline)
516 struct ata_port *ap = link->ap;
522 ahci_stop_engine(ap);
524 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
525 deadline, &online, NULL);
527 ahci_start_engine(ap);
529 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
531 /* vt8251 doesn't clear BSY on signature FIS reception,
532 * request follow-up softreset.
534 return online ? -EAGAIN : rc;
537 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
538 unsigned long deadline)
540 struct ata_port *ap = link->ap;
541 struct ahci_port_priv *pp = ap->private_data;
542 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
543 struct ata_taskfile tf;
547 ahci_stop_engine(ap);
549 /* clear D2H reception area to properly wait for D2H FIS */
550 ata_tf_init(link->device, &tf);
552 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
554 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
555 deadline, &online, NULL);
557 ahci_start_engine(ap);
559 /* The pseudo configuration device on SIMG4726 attached to
560 * ASUS P5W-DH Deluxe doesn't send signature FIS after
561 * hardreset if no device is attached to the first downstream
562 * port && the pseudo device locks up on SRST w/ PMP==0. To
563 * work around this, wait for !BSY only briefly. If BSY isn't
564 * cleared, perform CLO and proceed to IDENTIFY (achieved by
565 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
567 * Wait for two seconds. Devices attached to downstream port
568 * which can't process the following IDENTIFY after this will
569 * have to be reset again. For most cases, this should
570 * suffice while making probing snappish enough.
573 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
576 ahci_kick_engine(ap);
582 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
584 struct ata_host *host = dev_get_drvdata(&pdev->dev);
585 struct ahci_host_priv *hpriv = host->private_data;
586 void __iomem *mmio = hpriv->mmio;
589 if (mesg.event & PM_EVENT_SUSPEND &&
590 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
592 "BIOS update required for suspend/resume\n");
596 if (mesg.event & PM_EVENT_SLEEP) {
597 /* AHCI spec rev1.1 section 8.3.3:
598 * Software must disable interrupts prior to requesting a
599 * transition of the HBA to D3 state.
601 ctl = readl(mmio + HOST_CTL);
603 writel(ctl, mmio + HOST_CTL);
604 readl(mmio + HOST_CTL); /* flush */
607 return ata_pci_device_suspend(pdev, mesg);
610 static int ahci_pci_device_resume(struct pci_dev *pdev)
612 struct ata_host *host = dev_get_drvdata(&pdev->dev);
615 rc = ata_pci_device_do_resume(pdev);
619 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
620 rc = ahci_pci_reset_controller(host);
624 ahci_pci_init_controller(host);
627 ata_host_resume(host);
633 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
638 * If the device fixup already set the dma_mask to some non-standard
639 * value, don't extend it here. This happens on STA2X11, for example.
641 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
645 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
646 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
648 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
651 "64-bit DMA enable failed\n");
656 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
658 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
661 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
664 "32-bit consistent DMA enable failed\n");
671 static void ahci_pci_print_info(struct ata_host *host)
673 struct pci_dev *pdev = to_pci_dev(host->dev);
677 pci_read_config_word(pdev, 0x0a, &cc);
678 if (cc == PCI_CLASS_STORAGE_IDE)
680 else if (cc == PCI_CLASS_STORAGE_SATA)
682 else if (cc == PCI_CLASS_STORAGE_RAID)
687 ahci_print_info(host, scc_s);
690 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
691 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
692 * support PMP and the 4726 either directly exports the device
693 * attached to the first downstream port or acts as a hardware storage
694 * controller and emulate a single ATA device (can be RAID 0/1 or some
695 * other configuration).
697 * When there's no device attached to the first downstream port of the
698 * 4726, "Config Disk" appears, which is a pseudo ATA device to
699 * configure the 4726. However, ATA emulation of the device is very
700 * lame. It doesn't send signature D2H Reg FIS after the initial
701 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
703 * The following function works around the problem by always using
704 * hardreset on the port and not depending on receiving signature FIS
705 * afterward. If signature FIS isn't received soon, ATA class is
706 * assumed without follow-up softreset.
708 static void ahci_p5wdh_workaround(struct ata_host *host)
710 static struct dmi_system_id sysids[] = {
712 .ident = "P5W DH Deluxe",
714 DMI_MATCH(DMI_SYS_VENDOR,
715 "ASUSTEK COMPUTER INC"),
716 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
721 struct pci_dev *pdev = to_pci_dev(host->dev);
723 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
724 dmi_check_system(sysids)) {
725 struct ata_port *ap = host->ports[1];
728 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
730 ap->ops = &ahci_p5wdh_ops;
731 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
735 /* only some SB600 ahci controllers can do 64bit DMA */
736 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
738 static const struct dmi_system_id sysids[] = {
740 * The oldest version known to be broken is 0901 and
741 * working is 1501 which was released on 2007-10-26.
742 * Enable 64bit DMA on 1501 and anything newer.
744 * Please read bko#9412 for more info.
747 .ident = "ASUS M2A-VM",
749 DMI_MATCH(DMI_BOARD_VENDOR,
750 "ASUSTeK Computer INC."),
751 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
753 .driver_data = "20071026", /* yyyymmdd */
756 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
759 * BIOS versions earlier than 1.5 had the Manufacturer DMI
760 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
761 * This spelling mistake was fixed in BIOS version 1.5, so
762 * 1.5 and later have the Manufacturer as
763 * "MICRO-STAR INTERNATIONAL CO.,LTD".
764 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
766 * BIOS versions earlier than 1.9 had a Board Product Name
767 * DMI field of "MS-7376". This was changed to be
768 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
769 * match on DMI_BOARD_NAME of "MS-7376".
772 .ident = "MSI K9A2 Platinum",
774 DMI_MATCH(DMI_BOARD_VENDOR,
776 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
780 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
783 * This board also had the typo mentioned above in the
784 * Manufacturer DMI field (fixed in BIOS version 1.5), so
785 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
788 .ident = "MSI K9AGM2",
790 DMI_MATCH(DMI_BOARD_VENDOR,
792 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
796 * All BIOS versions for the Asus M3A support 64bit DMA.
797 * (all release versions from 0301 to 1206 were tested)
802 DMI_MATCH(DMI_BOARD_VENDOR,
803 "ASUSTeK Computer INC."),
804 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
809 const struct dmi_system_id *match;
810 int year, month, date;
813 match = dmi_first_match(sysids);
814 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
818 if (!match->driver_data)
821 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
822 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
824 if (strcmp(buf, match->driver_data) >= 0)
828 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
834 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
838 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
840 static const struct dmi_system_id broken_systems[] = {
842 .ident = "HP Compaq nx6310",
844 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
845 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
847 /* PCI slot number of the controller */
848 .driver_data = (void *)0x1FUL,
851 .ident = "HP Compaq 6720s",
853 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
854 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
856 /* PCI slot number of the controller */
857 .driver_data = (void *)0x1FUL,
860 { } /* terminate list */
862 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
865 unsigned long slot = (unsigned long)dmi->driver_data;
866 /* apply the quirk only to on-board controllers */
867 return slot == PCI_SLOT(pdev->devfn);
873 static bool ahci_broken_suspend(struct pci_dev *pdev)
875 static const struct dmi_system_id sysids[] = {
877 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
878 * to the harddisk doesn't become online after
879 * resuming from STR. Warn and fail suspend.
881 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
883 * Use dates instead of versions to match as HP is
884 * apparently recycling both product and version
887 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
892 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
893 DMI_MATCH(DMI_PRODUCT_NAME,
894 "HP Pavilion dv4 Notebook PC"),
896 .driver_data = "20090105", /* F.30 */
901 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
902 DMI_MATCH(DMI_PRODUCT_NAME,
903 "HP Pavilion dv5 Notebook PC"),
905 .driver_data = "20090506", /* F.16 */
910 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
911 DMI_MATCH(DMI_PRODUCT_NAME,
912 "HP Pavilion dv6 Notebook PC"),
914 .driver_data = "20090423", /* F.21 */
919 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
920 DMI_MATCH(DMI_PRODUCT_NAME,
921 "HP HDX18 Notebook PC"),
923 .driver_data = "20090430", /* F.23 */
926 * Acer eMachines G725 has the same problem. BIOS
927 * V1.03 is known to be broken. V3.04 is known to
928 * work. Between, there are V1.06, V2.06 and V3.03
929 * that we don't have much idea about. For now,
930 * blacklist anything older than V3.04.
932 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
937 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
938 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
940 .driver_data = "20091216", /* V3.04 */
942 { } /* terminate list */
944 const struct dmi_system_id *dmi = dmi_first_match(sysids);
945 int year, month, date;
948 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
951 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
952 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
954 return strcmp(buf, dmi->driver_data) < 0;
957 static bool ahci_broken_online(struct pci_dev *pdev)
959 #define ENCODE_BUSDEVFN(bus, slot, func) \
960 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
961 static const struct dmi_system_id sysids[] = {
963 * There are several gigabyte boards which use
964 * SIMG5723s configured as hardware RAID. Certain
965 * 5723 firmware revisions shipped there keep the link
966 * online but fail to answer properly to SRST or
967 * IDENTIFY when no device is attached downstream
968 * causing libata to retry quite a few times leading
969 * to excessive detection delay.
971 * As these firmwares respond to the second reset try
972 * with invalid device signature, considering unknown
973 * sig as offline works around the problem acceptably.
978 DMI_MATCH(DMI_BOARD_VENDOR,
979 "Gigabyte Technology Co., Ltd."),
980 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
982 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
987 DMI_MATCH(DMI_BOARD_VENDOR,
988 "Gigabyte Technology Co., Ltd."),
989 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
991 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
993 { } /* terminate list */
995 #undef ENCODE_BUSDEVFN
996 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1002 val = (unsigned long)dmi->driver_data;
1004 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1007 #ifdef CONFIG_ATA_ACPI
1008 static void ahci_gtf_filter_workaround(struct ata_host *host)
1010 static const struct dmi_system_id sysids[] = {
1012 * Aspire 3810T issues a bunch of SATA enable commands
1013 * via _GTF including an invalid one and one which is
1014 * rejected by the device. Among the successful ones
1015 * is FPDMA non-zero offset enable which when enabled
1016 * only on the drive side leads to NCQ command
1017 * failures. Filter it out.
1020 .ident = "Aspire 3810T",
1022 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1023 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1025 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1029 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1030 unsigned int filter;
1036 filter = (unsigned long)dmi->driver_data;
1037 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1038 filter, dmi->ident);
1040 for (i = 0; i < host->n_ports; i++) {
1041 struct ata_port *ap = host->ports[i];
1042 struct ata_link *link;
1043 struct ata_device *dev;
1045 ata_for_each_link(link, ap, EDGE)
1046 ata_for_each_dev(dev, link, ALL)
1047 dev->gtf_filter |= filter;
1051 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1055 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1057 unsigned int board_id = ent->driver_data;
1058 struct ata_port_info pi = ahci_port_info[board_id];
1059 const struct ata_port_info *ppi[] = { &pi, NULL };
1060 struct device *dev = &pdev->dev;
1061 struct ahci_host_priv *hpriv;
1062 struct ata_host *host;
1064 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1068 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1070 ata_print_version_once(&pdev->dev, DRV_VERSION);
1072 /* The AHCI driver can only drive the SATA ports, the PATA driver
1073 can drive them all so if both drivers are selected make sure
1074 AHCI stays out of the way */
1075 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1079 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1080 * ahci, use ata_generic instead.
1082 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1083 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1084 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1085 pdev->subsystem_device == 0xcb89)
1088 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1089 * At the moment, we can only use the AHCI mode. Let the users know
1090 * that for SAS drives they're out of luck.
1092 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1093 dev_info(&pdev->dev,
1094 "PDC42819 can only drive SATA devices with this driver\n");
1096 /* The Connext uses non-standard BAR */
1097 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1098 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1100 /* acquire resources */
1101 rc = pcim_enable_device(pdev);
1105 /* AHCI controllers often implement SFF compatible interface.
1106 * Grab all PCI BARs just in case.
1108 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1110 pcim_pin_device(pdev);
1114 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1115 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1118 /* ICH6s share the same PCI ID for both piix and ahci
1119 * modes. Enabling ahci mode while MAP indicates
1120 * combined mode is a bad idea. Yield to ata_piix.
1122 pci_read_config_byte(pdev, ICH_MAP, &map);
1124 dev_info(&pdev->dev,
1125 "controller is in combined mode, can't enable AHCI mode\n");
1130 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1133 hpriv->flags |= (unsigned long)pi.private_data;
1135 /* MCP65 revision A1 and A2 can't do MSI */
1136 if (board_id == board_ahci_mcp65 &&
1137 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1138 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1140 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1141 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1142 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1144 /* only some SB600s can do 64bit DMA */
1145 if (ahci_sb600_enable_64bit(pdev))
1146 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1148 if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
1151 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1153 /* save initial config */
1154 ahci_pci_save_initial_config(pdev, hpriv);
1157 if (hpriv->cap & HOST_CAP_NCQ) {
1158 pi.flags |= ATA_FLAG_NCQ;
1160 * Auto-activate optimization is supposed to be
1161 * supported on all AHCI controllers indicating NCQ
1162 * capability, but it seems to be broken on some
1163 * chipsets including NVIDIAs.
1165 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1166 pi.flags |= ATA_FLAG_FPDMA_AA;
1169 if (hpriv->cap & HOST_CAP_PMP)
1170 pi.flags |= ATA_FLAG_PMP;
1172 ahci_set_em_messages(hpriv, &pi);
1174 if (ahci_broken_system_poweroff(pdev)) {
1175 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1176 dev_info(&pdev->dev,
1177 "quirky BIOS, skipping spindown on poweroff\n");
1180 if (ahci_broken_suspend(pdev)) {
1181 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1182 dev_warn(&pdev->dev,
1183 "BIOS update required for suspend/resume\n");
1186 if (ahci_broken_online(pdev)) {
1187 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1188 dev_info(&pdev->dev,
1189 "online status unreliable, applying workaround\n");
1192 /* CAP.NP sometimes indicate the index of the last enabled
1193 * port, at other times, that of the last possible port, so
1194 * determining the maximum port number requires looking at
1195 * both CAP.NP and port_map.
1197 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1199 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1202 host->private_data = hpriv;
1204 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1205 host->flags |= ATA_HOST_PARALLEL_SCAN;
1207 printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
1209 if (pi.flags & ATA_FLAG_EM)
1210 ahci_reset_em(host);
1212 for (i = 0; i < host->n_ports; i++) {
1213 struct ata_port *ap = host->ports[i];
1215 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1216 ata_port_pbar_desc(ap, ahci_pci_bar,
1217 0x100 + ap->port_no * 0x80, "port");
1219 /* set enclosure management message type */
1220 if (ap->flags & ATA_FLAG_EM)
1221 ap->em_message_type = hpriv->em_msg_type;
1224 /* disabled/not-implemented port */
1225 if (!(hpriv->port_map & (1 << i)))
1226 ap->ops = &ata_dummy_port_ops;
1229 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1230 ahci_p5wdh_workaround(host);
1232 /* apply gtf filter quirk */
1233 ahci_gtf_filter_workaround(host);
1235 /* initialize adapter */
1236 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1240 rc = ahci_pci_reset_controller(host);
1244 ahci_pci_init_controller(host);
1245 ahci_pci_print_info(host);
1247 pci_set_master(pdev);
1248 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1252 module_pci_driver(ahci_pci_driver);
1254 MODULE_AUTHOR("Jeff Garzik");
1255 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1256 MODULE_LICENSE("GPL");
1257 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1258 MODULE_VERSION(DRV_VERSION);