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[mirror_ubuntu-bionic-kernel.git] / drivers / ata / ahci.c
1 /*
2 * ahci.c - AHCI SATA support
3 *
4 * Maintained by: Jeff Garzik <jgarzik@pobox.com>
5 * Please ALWAYS copy linux-ide@vger.kernel.org
6 * on emails.
7 *
8 * Copyright 2004-2005 Red Hat, Inc.
9 *
10 *
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)
14 * any later version.
15 *
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.
20 *
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.
24 *
25 *
26 * libata documentation is available via 'make {ps|pdf}docs',
27 * as Documentation/DocBook/libata.*
28 *
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
32 *
33 */
34
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>
49 #include "ahci.h"
50
51 #define DRV_NAME "ahci"
52 #define DRV_VERSION "3.0"
53
54 enum {
55 AHCI_PCI_BAR = 5,
56 };
57
58 enum board_ids {
59 /* board IDs by feature in alphabetical order */
60 board_ahci,
61 board_ahci_ign_iferr,
62 board_ahci_nosntf,
63 board_ahci_yes_fbs,
64
65 /* board IDs for specific chipsets in alphabetical order */
66 board_ahci_mcp65,
67 board_ahci_mcp77,
68 board_ahci_mcp89,
69 board_ahci_mv,
70 board_ahci_sb600,
71 board_ahci_sb700, /* for SB700 and SB800 */
72 board_ahci_vt8251,
73
74 /* aliases */
75 board_ahci_mcp_linux = board_ahci_mcp65,
76 board_ahci_mcp67 = board_ahci_mcp65,
77 board_ahci_mcp73 = board_ahci_mcp65,
78 board_ahci_mcp79 = board_ahci_mcp77,
79 };
80
81 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
82 static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
83 unsigned long deadline);
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);
88 #ifdef CONFIG_PM
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);
91 #endif
92
93 static struct scsi_host_template ahci_sht = {
94 AHCI_SHT("ahci"),
95 };
96
97 static struct ata_port_operations ahci_vt8251_ops = {
98 .inherits = &ahci_ops,
99 .hardreset = ahci_vt8251_hardreset,
100 };
101
102 static struct ata_port_operations ahci_p5wdh_ops = {
103 .inherits = &ahci_ops,
104 .hardreset = ahci_p5wdh_hardreset,
105 };
106
107 static struct ata_port_operations ahci_sb600_ops = {
108 .inherits = &ahci_ops,
109 .softreset = ahci_sb600_softreset,
110 .pmp_softreset = ahci_sb600_softreset,
111 };
112
113 #define AHCI_HFLAGS(flags) .private_data = (void *)(flags)
114
115 static const struct ata_port_info ahci_port_info[] = {
116 /* by features */
117 [board_ahci] =
118 {
119 .flags = AHCI_FLAG_COMMON,
120 .pio_mask = ATA_PIO4,
121 .udma_mask = ATA_UDMA6,
122 .port_ops = &ahci_ops,
123 },
124 [board_ahci_ign_iferr] =
125 {
126 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
127 .flags = AHCI_FLAG_COMMON,
128 .pio_mask = ATA_PIO4,
129 .udma_mask = ATA_UDMA6,
130 .port_ops = &ahci_ops,
131 },
132 [board_ahci_nosntf] =
133 {
134 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
135 .flags = AHCI_FLAG_COMMON,
136 .pio_mask = ATA_PIO4,
137 .udma_mask = ATA_UDMA6,
138 .port_ops = &ahci_ops,
139 },
140 [board_ahci_yes_fbs] =
141 {
142 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
143 .flags = AHCI_FLAG_COMMON,
144 .pio_mask = ATA_PIO4,
145 .udma_mask = ATA_UDMA6,
146 .port_ops = &ahci_ops,
147 },
148 /* by chipsets */
149 [board_ahci_mcp65] =
150 {
151 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
152 AHCI_HFLAG_YES_NCQ),
153 .flags = AHCI_FLAG_COMMON,
154 .pio_mask = ATA_PIO4,
155 .udma_mask = ATA_UDMA6,
156 .port_ops = &ahci_ops,
157 },
158 [board_ahci_mcp77] =
159 {
160 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
161 .flags = AHCI_FLAG_COMMON,
162 .pio_mask = ATA_PIO4,
163 .udma_mask = ATA_UDMA6,
164 .port_ops = &ahci_ops,
165 },
166 [board_ahci_mcp89] =
167 {
168 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
169 .flags = AHCI_FLAG_COMMON,
170 .pio_mask = ATA_PIO4,
171 .udma_mask = ATA_UDMA6,
172 .port_ops = &ahci_ops,
173 },
174 [board_ahci_mv] =
175 {
176 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
177 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
178 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
179 .pio_mask = ATA_PIO4,
180 .udma_mask = ATA_UDMA6,
181 .port_ops = &ahci_ops,
182 },
183 [board_ahci_sb600] =
184 {
185 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
186 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
187 AHCI_HFLAG_32BIT_ONLY),
188 .flags = AHCI_FLAG_COMMON,
189 .pio_mask = ATA_PIO4,
190 .udma_mask = ATA_UDMA6,
191 .port_ops = &ahci_sb600_ops,
192 },
193 [board_ahci_sb700] = /* for SB700 and SB800 */
194 {
195 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
196 .flags = AHCI_FLAG_COMMON,
197 .pio_mask = ATA_PIO4,
198 .udma_mask = ATA_UDMA6,
199 .port_ops = &ahci_sb600_ops,
200 },
201 [board_ahci_vt8251] =
202 {
203 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
204 .flags = AHCI_FLAG_COMMON,
205 .pio_mask = ATA_PIO4,
206 .udma_mask = ATA_UDMA6,
207 .port_ops = &ahci_vt8251_ops,
208 },
209 };
210
211 static const struct pci_device_id ahci_pci_tbl[] = {
212 /* Intel */
213 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
214 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
215 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
216 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
217 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
218 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
219 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
220 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
221 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
222 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
223 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
224 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
225 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
226 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
227 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
228 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
229 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
230 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
231 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
232 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
233 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
234 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
235 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
236 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
237 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
238 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
239 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
240 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
241 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
242 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
243 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
244 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
245 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
246 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
247 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
248 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
249 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
250 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
251 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
252 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
253 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
254 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
255 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
256 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
257 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
258 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
259 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
260 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
261 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
262 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
263 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
264
265 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
266 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
267 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
268
269 /* ATI */
270 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
271 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
272 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
273 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
274 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
275 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
276 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
277
278 /* AMD */
279 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
280 /* AMD is using RAID class only for ahci controllers */
281 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
282 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
283
284 /* VIA */
285 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
286 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
287
288 /* NVIDIA */
289 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
290 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
291 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
292 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
293 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
294 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
295 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
296 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
297 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
298 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
299 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
300 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
301 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
302 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
303 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
304 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
305 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
306 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
307 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
308 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
309 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
310 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
311 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
312 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
313 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
314 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
315 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
316 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
317 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
318 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
319 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
320 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
321 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
322 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
323 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
324 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
325 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
326 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
327 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
328 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
329 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
330 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
331 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
332 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
333 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
334 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
335 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
336 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
337 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
338 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
339 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
340 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
341 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
342 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
343 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
344 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
345 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
346 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
347 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
348 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
349 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
350 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
351 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
352 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
353 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
354 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
355 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
356 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
357 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
358 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
359 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
360 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
361 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
362 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
363 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
364 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
365 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
366 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
367 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
368 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
369 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
370 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
371 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
372 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
373
374 /* SiS */
375 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
376 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
377 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
378
379 /* Marvell */
380 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
381 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
382 { PCI_DEVICE(0x1b4b, 0x9123),
383 .class = PCI_CLASS_STORAGE_SATA_AHCI,
384 .class_mask = 0xffffff,
385 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
386 { PCI_DEVICE(0x1b4b, 0x9125),
387 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
388 { PCI_DEVICE(0x1b4b, 0x91a3),
389 .driver_data = board_ahci_yes_fbs },
390
391 /* Promise */
392 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
393
394 /* Generic, PCI class code for AHCI */
395 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
396 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
397
398 { } /* terminate list */
399 };
400
401
402 static struct pci_driver ahci_pci_driver = {
403 .name = DRV_NAME,
404 .id_table = ahci_pci_tbl,
405 .probe = ahci_init_one,
406 .remove = ata_pci_remove_one,
407 #ifdef CONFIG_PM
408 .suspend = ahci_pci_device_suspend,
409 .resume = ahci_pci_device_resume,
410 #endif
411 };
412
413 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
414 static int marvell_enable;
415 #else
416 static int marvell_enable = 1;
417 #endif
418 module_param(marvell_enable, int, 0644);
419 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
420
421
422 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
423 struct ahci_host_priv *hpriv)
424 {
425 unsigned int force_port_map = 0;
426 unsigned int mask_port_map = 0;
427
428 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
429 dev_info(&pdev->dev, "JMB361 has only one port\n");
430 force_port_map = 1;
431 }
432
433 /*
434 * Temporary Marvell 6145 hack: PATA port presence
435 * is asserted through the standard AHCI port
436 * presence register, as bit 4 (counting from 0)
437 */
438 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
439 if (pdev->device == 0x6121)
440 mask_port_map = 0x3;
441 else
442 mask_port_map = 0xf;
443 dev_info(&pdev->dev,
444 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
445 }
446
447 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
448 mask_port_map);
449 }
450
451 static int ahci_pci_reset_controller(struct ata_host *host)
452 {
453 struct pci_dev *pdev = to_pci_dev(host->dev);
454
455 ahci_reset_controller(host);
456
457 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
458 struct ahci_host_priv *hpriv = host->private_data;
459 u16 tmp16;
460
461 /* configure PCS */
462 pci_read_config_word(pdev, 0x92, &tmp16);
463 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
464 tmp16 |= hpriv->port_map;
465 pci_write_config_word(pdev, 0x92, tmp16);
466 }
467 }
468
469 return 0;
470 }
471
472 static void ahci_pci_init_controller(struct ata_host *host)
473 {
474 struct ahci_host_priv *hpriv = host->private_data;
475 struct pci_dev *pdev = to_pci_dev(host->dev);
476 void __iomem *port_mmio;
477 u32 tmp;
478 int mv;
479
480 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
481 if (pdev->device == 0x6121)
482 mv = 2;
483 else
484 mv = 4;
485 port_mmio = __ahci_port_base(host, mv);
486
487 writel(0, port_mmio + PORT_IRQ_MASK);
488
489 /* clear port IRQ */
490 tmp = readl(port_mmio + PORT_IRQ_STAT);
491 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
492 if (tmp)
493 writel(tmp, port_mmio + PORT_IRQ_STAT);
494 }
495
496 ahci_init_controller(host);
497 }
498
499 static int ahci_sb600_check_ready(struct ata_link *link)
500 {
501 void __iomem *port_mmio = ahci_port_base(link->ap);
502 u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
503 u32 irq_status = readl(port_mmio + PORT_IRQ_STAT);
504
505 /*
506 * There is no need to check TFDATA if BAD PMP is found due to HW bug,
507 * which can save timeout delay.
508 */
509 if (irq_status & PORT_IRQ_BAD_PMP)
510 return -EIO;
511
512 return ata_check_ready(status);
513 }
514
515 static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
516 unsigned long deadline)
517 {
518 struct ata_port *ap = link->ap;
519 void __iomem *port_mmio = ahci_port_base(ap);
520 int pmp = sata_srst_pmp(link);
521 int rc;
522 u32 irq_sts;
523
524 DPRINTK("ENTER\n");
525
526 rc = ahci_do_softreset(link, class, pmp, deadline,
527 ahci_sb600_check_ready);
528
529 /*
530 * Soft reset fails on some ATI chips with IPMS set when PMP
531 * is enabled but SATA HDD/ODD is connected to SATA port,
532 * do soft reset again to port 0.
533 */
534 if (rc == -EIO) {
535 irq_sts = readl(port_mmio + PORT_IRQ_STAT);
536 if (irq_sts & PORT_IRQ_BAD_PMP) {
537 ata_link_printk(link, KERN_WARNING,
538 "applying SB600 PMP SRST workaround "
539 "and retrying\n");
540 rc = ahci_do_softreset(link, class, 0, deadline,
541 ahci_check_ready);
542 }
543 }
544
545 return rc;
546 }
547
548 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
549 unsigned long deadline)
550 {
551 struct ata_port *ap = link->ap;
552 bool online;
553 int rc;
554
555 DPRINTK("ENTER\n");
556
557 ahci_stop_engine(ap);
558
559 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
560 deadline, &online, NULL);
561
562 ahci_start_engine(ap);
563
564 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
565
566 /* vt8251 doesn't clear BSY on signature FIS reception,
567 * request follow-up softreset.
568 */
569 return online ? -EAGAIN : rc;
570 }
571
572 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
573 unsigned long deadline)
574 {
575 struct ata_port *ap = link->ap;
576 struct ahci_port_priv *pp = ap->private_data;
577 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
578 struct ata_taskfile tf;
579 bool online;
580 int rc;
581
582 ahci_stop_engine(ap);
583
584 /* clear D2H reception area to properly wait for D2H FIS */
585 ata_tf_init(link->device, &tf);
586 tf.command = 0x80;
587 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
588
589 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
590 deadline, &online, NULL);
591
592 ahci_start_engine(ap);
593
594 /* The pseudo configuration device on SIMG4726 attached to
595 * ASUS P5W-DH Deluxe doesn't send signature FIS after
596 * hardreset if no device is attached to the first downstream
597 * port && the pseudo device locks up on SRST w/ PMP==0. To
598 * work around this, wait for !BSY only briefly. If BSY isn't
599 * cleared, perform CLO and proceed to IDENTIFY (achieved by
600 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
601 *
602 * Wait for two seconds. Devices attached to downstream port
603 * which can't process the following IDENTIFY after this will
604 * have to be reset again. For most cases, this should
605 * suffice while making probing snappish enough.
606 */
607 if (online) {
608 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
609 ahci_check_ready);
610 if (rc)
611 ahci_kick_engine(ap);
612 }
613 return rc;
614 }
615
616 #ifdef CONFIG_PM
617 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
618 {
619 struct ata_host *host = dev_get_drvdata(&pdev->dev);
620 struct ahci_host_priv *hpriv = host->private_data;
621 void __iomem *mmio = hpriv->mmio;
622 u32 ctl;
623
624 if (mesg.event & PM_EVENT_SUSPEND &&
625 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
626 dev_printk(KERN_ERR, &pdev->dev,
627 "BIOS update required for suspend/resume\n");
628 return -EIO;
629 }
630
631 if (mesg.event & PM_EVENT_SLEEP) {
632 /* AHCI spec rev1.1 section 8.3.3:
633 * Software must disable interrupts prior to requesting a
634 * transition of the HBA to D3 state.
635 */
636 ctl = readl(mmio + HOST_CTL);
637 ctl &= ~HOST_IRQ_EN;
638 writel(ctl, mmio + HOST_CTL);
639 readl(mmio + HOST_CTL); /* flush */
640 }
641
642 return ata_pci_device_suspend(pdev, mesg);
643 }
644
645 static int ahci_pci_device_resume(struct pci_dev *pdev)
646 {
647 struct ata_host *host = dev_get_drvdata(&pdev->dev);
648 int rc;
649
650 rc = ata_pci_device_do_resume(pdev);
651 if (rc)
652 return rc;
653
654 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
655 rc = ahci_pci_reset_controller(host);
656 if (rc)
657 return rc;
658
659 ahci_pci_init_controller(host);
660 }
661
662 ata_host_resume(host);
663
664 return 0;
665 }
666 #endif
667
668 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
669 {
670 int rc;
671
672 if (using_dac &&
673 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
674 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
675 if (rc) {
676 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
677 if (rc) {
678 dev_printk(KERN_ERR, &pdev->dev,
679 "64-bit DMA enable failed\n");
680 return rc;
681 }
682 }
683 } else {
684 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
685 if (rc) {
686 dev_printk(KERN_ERR, &pdev->dev,
687 "32-bit DMA enable failed\n");
688 return rc;
689 }
690 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
691 if (rc) {
692 dev_printk(KERN_ERR, &pdev->dev,
693 "32-bit consistent DMA enable failed\n");
694 return rc;
695 }
696 }
697 return 0;
698 }
699
700 static void ahci_pci_print_info(struct ata_host *host)
701 {
702 struct pci_dev *pdev = to_pci_dev(host->dev);
703 u16 cc;
704 const char *scc_s;
705
706 pci_read_config_word(pdev, 0x0a, &cc);
707 if (cc == PCI_CLASS_STORAGE_IDE)
708 scc_s = "IDE";
709 else if (cc == PCI_CLASS_STORAGE_SATA)
710 scc_s = "SATA";
711 else if (cc == PCI_CLASS_STORAGE_RAID)
712 scc_s = "RAID";
713 else
714 scc_s = "unknown";
715
716 ahci_print_info(host, scc_s);
717 }
718
719 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
720 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
721 * support PMP and the 4726 either directly exports the device
722 * attached to the first downstream port or acts as a hardware storage
723 * controller and emulate a single ATA device (can be RAID 0/1 or some
724 * other configuration).
725 *
726 * When there's no device attached to the first downstream port of the
727 * 4726, "Config Disk" appears, which is a pseudo ATA device to
728 * configure the 4726. However, ATA emulation of the device is very
729 * lame. It doesn't send signature D2H Reg FIS after the initial
730 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
731 *
732 * The following function works around the problem by always using
733 * hardreset on the port and not depending on receiving signature FIS
734 * afterward. If signature FIS isn't received soon, ATA class is
735 * assumed without follow-up softreset.
736 */
737 static void ahci_p5wdh_workaround(struct ata_host *host)
738 {
739 static struct dmi_system_id sysids[] = {
740 {
741 .ident = "P5W DH Deluxe",
742 .matches = {
743 DMI_MATCH(DMI_SYS_VENDOR,
744 "ASUSTEK COMPUTER INC"),
745 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
746 },
747 },
748 { }
749 };
750 struct pci_dev *pdev = to_pci_dev(host->dev);
751
752 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
753 dmi_check_system(sysids)) {
754 struct ata_port *ap = host->ports[1];
755
756 dev_printk(KERN_INFO, &pdev->dev, "enabling ASUS P5W DH "
757 "Deluxe on-board SIMG4726 workaround\n");
758
759 ap->ops = &ahci_p5wdh_ops;
760 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
761 }
762 }
763
764 /* only some SB600 ahci controllers can do 64bit DMA */
765 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
766 {
767 static const struct dmi_system_id sysids[] = {
768 /*
769 * The oldest version known to be broken is 0901 and
770 * working is 1501 which was released on 2007-10-26.
771 * Enable 64bit DMA on 1501 and anything newer.
772 *
773 * Please read bko#9412 for more info.
774 */
775 {
776 .ident = "ASUS M2A-VM",
777 .matches = {
778 DMI_MATCH(DMI_BOARD_VENDOR,
779 "ASUSTeK Computer INC."),
780 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
781 },
782 .driver_data = "20071026", /* yyyymmdd */
783 },
784 /*
785 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
786 * support 64bit DMA.
787 *
788 * BIOS versions earlier than 1.5 had the Manufacturer DMI
789 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
790 * This spelling mistake was fixed in BIOS version 1.5, so
791 * 1.5 and later have the Manufacturer as
792 * "MICRO-STAR INTERNATIONAL CO.,LTD".
793 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
794 *
795 * BIOS versions earlier than 1.9 had a Board Product Name
796 * DMI field of "MS-7376". This was changed to be
797 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
798 * match on DMI_BOARD_NAME of "MS-7376".
799 */
800 {
801 .ident = "MSI K9A2 Platinum",
802 .matches = {
803 DMI_MATCH(DMI_BOARD_VENDOR,
804 "MICRO-STAR INTER"),
805 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
806 },
807 },
808 { }
809 };
810 const struct dmi_system_id *match;
811 int year, month, date;
812 char buf[9];
813
814 match = dmi_first_match(sysids);
815 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
816 !match)
817 return false;
818
819 if (!match->driver_data)
820 goto enable_64bit;
821
822 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
823 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
824
825 if (strcmp(buf, match->driver_data) >= 0)
826 goto enable_64bit;
827 else {
828 dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, "
829 "forcing 32bit DMA, update BIOS\n", match->ident);
830 return false;
831 }
832
833 enable_64bit:
834 dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n",
835 match->ident);
836 return true;
837 }
838
839 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
840 {
841 static const struct dmi_system_id broken_systems[] = {
842 {
843 .ident = "HP Compaq nx6310",
844 .matches = {
845 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
846 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
847 },
848 /* PCI slot number of the controller */
849 .driver_data = (void *)0x1FUL,
850 },
851 {
852 .ident = "HP Compaq 6720s",
853 .matches = {
854 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
855 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
856 },
857 /* PCI slot number of the controller */
858 .driver_data = (void *)0x1FUL,
859 },
860
861 { } /* terminate list */
862 };
863 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
864
865 if (dmi) {
866 unsigned long slot = (unsigned long)dmi->driver_data;
867 /* apply the quirk only to on-board controllers */
868 return slot == PCI_SLOT(pdev->devfn);
869 }
870
871 return false;
872 }
873
874 static bool ahci_broken_suspend(struct pci_dev *pdev)
875 {
876 static const struct dmi_system_id sysids[] = {
877 /*
878 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
879 * to the harddisk doesn't become online after
880 * resuming from STR. Warn and fail suspend.
881 *
882 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
883 *
884 * Use dates instead of versions to match as HP is
885 * apparently recycling both product and version
886 * strings.
887 *
888 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
889 */
890 {
891 .ident = "dv4",
892 .matches = {
893 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
894 DMI_MATCH(DMI_PRODUCT_NAME,
895 "HP Pavilion dv4 Notebook PC"),
896 },
897 .driver_data = "20090105", /* F.30 */
898 },
899 {
900 .ident = "dv5",
901 .matches = {
902 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
903 DMI_MATCH(DMI_PRODUCT_NAME,
904 "HP Pavilion dv5 Notebook PC"),
905 },
906 .driver_data = "20090506", /* F.16 */
907 },
908 {
909 .ident = "dv6",
910 .matches = {
911 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
912 DMI_MATCH(DMI_PRODUCT_NAME,
913 "HP Pavilion dv6 Notebook PC"),
914 },
915 .driver_data = "20090423", /* F.21 */
916 },
917 {
918 .ident = "HDX18",
919 .matches = {
920 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
921 DMI_MATCH(DMI_PRODUCT_NAME,
922 "HP HDX18 Notebook PC"),
923 },
924 .driver_data = "20090430", /* F.23 */
925 },
926 /*
927 * Acer eMachines G725 has the same problem. BIOS
928 * V1.03 is known to be broken. V3.04 is known to
929 * work. Between, there are V1.06, V2.06 and V3.03
930 * that we don't have much idea about. For now,
931 * blacklist anything older than V3.04.
932 *
933 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
934 */
935 {
936 .ident = "G725",
937 .matches = {
938 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
939 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
940 },
941 .driver_data = "20091216", /* V3.04 */
942 },
943 { } /* terminate list */
944 };
945 const struct dmi_system_id *dmi = dmi_first_match(sysids);
946 int year, month, date;
947 char buf[9];
948
949 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
950 return false;
951
952 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
953 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
954
955 return strcmp(buf, dmi->driver_data) < 0;
956 }
957
958 static bool ahci_broken_online(struct pci_dev *pdev)
959 {
960 #define ENCODE_BUSDEVFN(bus, slot, func) \
961 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
962 static const struct dmi_system_id sysids[] = {
963 /*
964 * There are several gigabyte boards which use
965 * SIMG5723s configured as hardware RAID. Certain
966 * 5723 firmware revisions shipped there keep the link
967 * online but fail to answer properly to SRST or
968 * IDENTIFY when no device is attached downstream
969 * causing libata to retry quite a few times leading
970 * to excessive detection delay.
971 *
972 * As these firmwares respond to the second reset try
973 * with invalid device signature, considering unknown
974 * sig as offline works around the problem acceptably.
975 */
976 {
977 .ident = "EP45-DQ6",
978 .matches = {
979 DMI_MATCH(DMI_BOARD_VENDOR,
980 "Gigabyte Technology Co., Ltd."),
981 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
982 },
983 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
984 },
985 {
986 .ident = "EP45-DS5",
987 .matches = {
988 DMI_MATCH(DMI_BOARD_VENDOR,
989 "Gigabyte Technology Co., Ltd."),
990 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
991 },
992 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
993 },
994 { } /* terminate list */
995 };
996 #undef ENCODE_BUSDEVFN
997 const struct dmi_system_id *dmi = dmi_first_match(sysids);
998 unsigned int val;
999
1000 if (!dmi)
1001 return false;
1002
1003 val = (unsigned long)dmi->driver_data;
1004
1005 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1006 }
1007
1008 #ifdef CONFIG_ATA_ACPI
1009 static void ahci_gtf_filter_workaround(struct ata_host *host)
1010 {
1011 static const struct dmi_system_id sysids[] = {
1012 /*
1013 * Aspire 3810T issues a bunch of SATA enable commands
1014 * via _GTF including an invalid one and one which is
1015 * rejected by the device. Among the successful ones
1016 * is FPDMA non-zero offset enable which when enabled
1017 * only on the drive side leads to NCQ command
1018 * failures. Filter it out.
1019 */
1020 {
1021 .ident = "Aspire 3810T",
1022 .matches = {
1023 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1024 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1025 },
1026 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1027 },
1028 { }
1029 };
1030 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1031 unsigned int filter;
1032 int i;
1033
1034 if (!dmi)
1035 return;
1036
1037 filter = (unsigned long)dmi->driver_data;
1038 dev_printk(KERN_INFO, host->dev,
1039 "applying extra ACPI _GTF filter 0x%x for %s\n",
1040 filter, dmi->ident);
1041
1042 for (i = 0; i < host->n_ports; i++) {
1043 struct ata_port *ap = host->ports[i];
1044 struct ata_link *link;
1045 struct ata_device *dev;
1046
1047 ata_for_each_link(link, ap, EDGE)
1048 ata_for_each_dev(dev, link, ALL)
1049 dev->gtf_filter |= filter;
1050 }
1051 }
1052 #else
1053 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1054 {}
1055 #endif
1056
1057 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1058 {
1059 static int printed_version;
1060 unsigned int board_id = ent->driver_data;
1061 struct ata_port_info pi = ahci_port_info[board_id];
1062 const struct ata_port_info *ppi[] = { &pi, NULL };
1063 struct device *dev = &pdev->dev;
1064 struct ahci_host_priv *hpriv;
1065 struct ata_host *host;
1066 int n_ports, i, rc;
1067
1068 VPRINTK("ENTER\n");
1069
1070 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1071
1072 if (!printed_version++)
1073 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
1074
1075 /* The AHCI driver can only drive the SATA ports, the PATA driver
1076 can drive them all so if both drivers are selected make sure
1077 AHCI stays out of the way */
1078 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1079 return -ENODEV;
1080
1081 /*
1082 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1083 * ahci, use ata_generic instead.
1084 */
1085 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1086 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1087 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1088 pdev->subsystem_device == 0xcb89)
1089 return -ENODEV;
1090
1091 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1092 * At the moment, we can only use the AHCI mode. Let the users know
1093 * that for SAS drives they're out of luck.
1094 */
1095 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1096 dev_printk(KERN_INFO, &pdev->dev, "PDC42819 "
1097 "can only drive SATA devices with this driver\n");
1098
1099 /* acquire resources */
1100 rc = pcim_enable_device(pdev);
1101 if (rc)
1102 return rc;
1103
1104 /* AHCI controllers often implement SFF compatible interface.
1105 * Grab all PCI BARs just in case.
1106 */
1107 rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
1108 if (rc == -EBUSY)
1109 pcim_pin_device(pdev);
1110 if (rc)
1111 return rc;
1112
1113 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1114 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1115 u8 map;
1116
1117 /* ICH6s share the same PCI ID for both piix and ahci
1118 * modes. Enabling ahci mode while MAP indicates
1119 * combined mode is a bad idea. Yield to ata_piix.
1120 */
1121 pci_read_config_byte(pdev, ICH_MAP, &map);
1122 if (map & 0x3) {
1123 dev_printk(KERN_INFO, &pdev->dev, "controller is in "
1124 "combined mode, can't enable AHCI mode\n");
1125 return -ENODEV;
1126 }
1127 }
1128
1129 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1130 if (!hpriv)
1131 return -ENOMEM;
1132 hpriv->flags |= (unsigned long)pi.private_data;
1133
1134 /* MCP65 revision A1 and A2 can't do MSI */
1135 if (board_id == board_ahci_mcp65 &&
1136 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1137 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1138
1139 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1140 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1141 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1142
1143 /* only some SB600s can do 64bit DMA */
1144 if (ahci_sb600_enable_64bit(pdev))
1145 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1146
1147 if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
1148 pci_intx(pdev, 1);
1149
1150 hpriv->mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
1151
1152 /* save initial config */
1153 ahci_pci_save_initial_config(pdev, hpriv);
1154
1155 /* prepare host */
1156 if (hpriv->cap & HOST_CAP_NCQ) {
1157 pi.flags |= ATA_FLAG_NCQ;
1158 /*
1159 * Auto-activate optimization is supposed to be
1160 * supported on all AHCI controllers indicating NCQ
1161 * capability, but it seems to be broken on some
1162 * chipsets including NVIDIAs.
1163 */
1164 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1165 pi.flags |= ATA_FLAG_FPDMA_AA;
1166 }
1167
1168 if (hpriv->cap & HOST_CAP_PMP)
1169 pi.flags |= ATA_FLAG_PMP;
1170
1171 ahci_set_em_messages(hpriv, &pi);
1172
1173 if (ahci_broken_system_poweroff(pdev)) {
1174 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1175 dev_info(&pdev->dev,
1176 "quirky BIOS, skipping spindown on poweroff\n");
1177 }
1178
1179 if (ahci_broken_suspend(pdev)) {
1180 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1181 dev_printk(KERN_WARNING, &pdev->dev,
1182 "BIOS update required for suspend/resume\n");
1183 }
1184
1185 if (ahci_broken_online(pdev)) {
1186 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1187 dev_info(&pdev->dev,
1188 "online status unreliable, applying workaround\n");
1189 }
1190
1191 /* CAP.NP sometimes indicate the index of the last enabled
1192 * port, at other times, that of the last possible port, so
1193 * determining the maximum port number requires looking at
1194 * both CAP.NP and port_map.
1195 */
1196 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1197
1198 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1199 if (!host)
1200 return -ENOMEM;
1201 host->private_data = hpriv;
1202
1203 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1204 host->flags |= ATA_HOST_PARALLEL_SCAN;
1205 else
1206 printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
1207
1208 if (pi.flags & ATA_FLAG_EM)
1209 ahci_reset_em(host);
1210
1211 for (i = 0; i < host->n_ports; i++) {
1212 struct ata_port *ap = host->ports[i];
1213
1214 ata_port_pbar_desc(ap, AHCI_PCI_BAR, -1, "abar");
1215 ata_port_pbar_desc(ap, AHCI_PCI_BAR,
1216 0x100 + ap->port_no * 0x80, "port");
1217
1218 /* set enclosure management message type */
1219 if (ap->flags & ATA_FLAG_EM)
1220 ap->em_message_type = hpriv->em_msg_type;
1221
1222
1223 /* disabled/not-implemented port */
1224 if (!(hpriv->port_map & (1 << i)))
1225 ap->ops = &ata_dummy_port_ops;
1226 }
1227
1228 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1229 ahci_p5wdh_workaround(host);
1230
1231 /* apply gtf filter quirk */
1232 ahci_gtf_filter_workaround(host);
1233
1234 /* initialize adapter */
1235 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1236 if (rc)
1237 return rc;
1238
1239 rc = ahci_pci_reset_controller(host);
1240 if (rc)
1241 return rc;
1242
1243 ahci_pci_init_controller(host);
1244 ahci_pci_print_info(host);
1245
1246 pci_set_master(pdev);
1247 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1248 &ahci_sht);
1249 }
1250
1251 static int __init ahci_init(void)
1252 {
1253 return pci_register_driver(&ahci_pci_driver);
1254 }
1255
1256 static void __exit ahci_exit(void)
1257 {
1258 pci_unregister_driver(&ahci_pci_driver);
1259 }
1260
1261
1262 MODULE_AUTHOR("Jeff Garzik");
1263 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1264 MODULE_LICENSE("GPL");
1265 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1266 MODULE_VERSION(DRV_VERSION);
1267
1268 module_init(ahci_init);
1269 module_exit(ahci_exit);
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