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ARM: at91: fix board-rm9200-dt after sys_timer conversion
[GitHub/mt8127/android_kernel_alcatel_ttab.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_STA2X11 = 0,
56 AHCI_PCI_BAR_STANDARD = 5,
57 };
58
59 enum board_ids {
60 /* board IDs by feature in alphabetical order */
61 board_ahci,
62 board_ahci_ign_iferr,
63 board_ahci_nosntf,
64 board_ahci_yes_fbs,
65
66 /* board IDs for specific chipsets in alphabetical order */
67 board_ahci_mcp65,
68 board_ahci_mcp77,
69 board_ahci_mcp89,
70 board_ahci_mv,
71 board_ahci_sb600,
72 board_ahci_sb700, /* for SB700 and SB800 */
73 board_ahci_vt8251,
74
75 /* aliases */
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,
80 };
81
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);
87 #ifdef CONFIG_PM
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);
90 #endif
91
92 static struct scsi_host_template ahci_sht = {
93 AHCI_SHT("ahci"),
94 };
95
96 static struct ata_port_operations ahci_vt8251_ops = {
97 .inherits = &ahci_ops,
98 .hardreset = ahci_vt8251_hardreset,
99 };
100
101 static struct ata_port_operations ahci_p5wdh_ops = {
102 .inherits = &ahci_ops,
103 .hardreset = ahci_p5wdh_hardreset,
104 };
105
106 static const struct ata_port_info ahci_port_info[] = {
107 /* by features */
108 [board_ahci] = {
109 .flags = AHCI_FLAG_COMMON,
110 .pio_mask = ATA_PIO4,
111 .udma_mask = ATA_UDMA6,
112 .port_ops = &ahci_ops,
113 },
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,
120 },
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,
127 },
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,
134 },
135 /* by chipsets */
136 [board_ahci_mcp65] = {
137 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
138 AHCI_HFLAG_YES_NCQ),
139 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
140 .pio_mask = ATA_PIO4,
141 .udma_mask = ATA_UDMA6,
142 .port_ops = &ahci_ops,
143 },
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,
150 },
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,
157 },
158 [board_ahci_mv] = {
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,
165 },
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,
174 },
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,
181 },
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,
188 },
189 };
190
191 static const struct pci_device_id ahci_pci_tbl[] = {
192 /* Intel */
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 */
267
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 },
274
275 /* ATI */
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 */
283
284 /* AMD */
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 },
289
290 /* VIA */
291 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
292 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
293
294 /* NVIDIA */
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 */
379
380 /* SiS */
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 */
384
385 /* ST Microelectronics */
386 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
387
388 /* Marvell */
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, 0x9192),
400 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
401 { PCI_DEVICE(0x1b4b, 0x91a3),
402 .driver_data = board_ahci_yes_fbs },
403
404 /* Promise */
405 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
406
407 /* Asmedia */
408 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
409 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
410 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
411 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
412
413 /* Generic, PCI class code for AHCI */
414 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
415 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
416
417 { } /* terminate list */
418 };
419
420
421 static struct pci_driver ahci_pci_driver = {
422 .name = DRV_NAME,
423 .id_table = ahci_pci_tbl,
424 .probe = ahci_init_one,
425 .remove = ata_pci_remove_one,
426 #ifdef CONFIG_PM
427 .suspend = ahci_pci_device_suspend,
428 .resume = ahci_pci_device_resume,
429 #endif
430 };
431
432 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
433 static int marvell_enable;
434 #else
435 static int marvell_enable = 1;
436 #endif
437 module_param(marvell_enable, int, 0644);
438 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
439
440
441 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
442 struct ahci_host_priv *hpriv)
443 {
444 unsigned int force_port_map = 0;
445 unsigned int mask_port_map = 0;
446
447 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
448 dev_info(&pdev->dev, "JMB361 has only one port\n");
449 force_port_map = 1;
450 }
451
452 /*
453 * Temporary Marvell 6145 hack: PATA port presence
454 * is asserted through the standard AHCI port
455 * presence register, as bit 4 (counting from 0)
456 */
457 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
458 if (pdev->device == 0x6121)
459 mask_port_map = 0x3;
460 else
461 mask_port_map = 0xf;
462 dev_info(&pdev->dev,
463 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
464 }
465
466 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
467 mask_port_map);
468 }
469
470 static int ahci_pci_reset_controller(struct ata_host *host)
471 {
472 struct pci_dev *pdev = to_pci_dev(host->dev);
473
474 ahci_reset_controller(host);
475
476 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
477 struct ahci_host_priv *hpriv = host->private_data;
478 u16 tmp16;
479
480 /* configure PCS */
481 pci_read_config_word(pdev, 0x92, &tmp16);
482 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
483 tmp16 |= hpriv->port_map;
484 pci_write_config_word(pdev, 0x92, tmp16);
485 }
486 }
487
488 return 0;
489 }
490
491 static void ahci_pci_init_controller(struct ata_host *host)
492 {
493 struct ahci_host_priv *hpriv = host->private_data;
494 struct pci_dev *pdev = to_pci_dev(host->dev);
495 void __iomem *port_mmio;
496 u32 tmp;
497 int mv;
498
499 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
500 if (pdev->device == 0x6121)
501 mv = 2;
502 else
503 mv = 4;
504 port_mmio = __ahci_port_base(host, mv);
505
506 writel(0, port_mmio + PORT_IRQ_MASK);
507
508 /* clear port IRQ */
509 tmp = readl(port_mmio + PORT_IRQ_STAT);
510 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
511 if (tmp)
512 writel(tmp, port_mmio + PORT_IRQ_STAT);
513 }
514
515 ahci_init_controller(host);
516 }
517
518 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
519 unsigned long deadline)
520 {
521 struct ata_port *ap = link->ap;
522 bool online;
523 int rc;
524
525 DPRINTK("ENTER\n");
526
527 ahci_stop_engine(ap);
528
529 rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
530 deadline, &online, NULL);
531
532 ahci_start_engine(ap);
533
534 DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
535
536 /* vt8251 doesn't clear BSY on signature FIS reception,
537 * request follow-up softreset.
538 */
539 return online ? -EAGAIN : rc;
540 }
541
542 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
543 unsigned long deadline)
544 {
545 struct ata_port *ap = link->ap;
546 struct ahci_port_priv *pp = ap->private_data;
547 u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
548 struct ata_taskfile tf;
549 bool online;
550 int rc;
551
552 ahci_stop_engine(ap);
553
554 /* clear D2H reception area to properly wait for D2H FIS */
555 ata_tf_init(link->device, &tf);
556 tf.command = 0x80;
557 ata_tf_to_fis(&tf, 0, 0, d2h_fis);
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 /* The pseudo configuration device on SIMG4726 attached to
565 * ASUS P5W-DH Deluxe doesn't send signature FIS after
566 * hardreset if no device is attached to the first downstream
567 * port && the pseudo device locks up on SRST w/ PMP==0. To
568 * work around this, wait for !BSY only briefly. If BSY isn't
569 * cleared, perform CLO and proceed to IDENTIFY (achieved by
570 * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA).
571 *
572 * Wait for two seconds. Devices attached to downstream port
573 * which can't process the following IDENTIFY after this will
574 * have to be reset again. For most cases, this should
575 * suffice while making probing snappish enough.
576 */
577 if (online) {
578 rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
579 ahci_check_ready);
580 if (rc)
581 ahci_kick_engine(ap);
582 }
583 return rc;
584 }
585
586 #ifdef CONFIG_PM
587 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
588 {
589 struct ata_host *host = dev_get_drvdata(&pdev->dev);
590 struct ahci_host_priv *hpriv = host->private_data;
591 void __iomem *mmio = hpriv->mmio;
592 u32 ctl;
593
594 if (mesg.event & PM_EVENT_SUSPEND &&
595 hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
596 dev_err(&pdev->dev,
597 "BIOS update required for suspend/resume\n");
598 return -EIO;
599 }
600
601 if (mesg.event & PM_EVENT_SLEEP) {
602 /* AHCI spec rev1.1 section 8.3.3:
603 * Software must disable interrupts prior to requesting a
604 * transition of the HBA to D3 state.
605 */
606 ctl = readl(mmio + HOST_CTL);
607 ctl &= ~HOST_IRQ_EN;
608 writel(ctl, mmio + HOST_CTL);
609 readl(mmio + HOST_CTL); /* flush */
610 }
611
612 return ata_pci_device_suspend(pdev, mesg);
613 }
614
615 static int ahci_pci_device_resume(struct pci_dev *pdev)
616 {
617 struct ata_host *host = dev_get_drvdata(&pdev->dev);
618 int rc;
619
620 rc = ata_pci_device_do_resume(pdev);
621 if (rc)
622 return rc;
623
624 if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
625 rc = ahci_pci_reset_controller(host);
626 if (rc)
627 return rc;
628
629 ahci_pci_init_controller(host);
630 }
631
632 ata_host_resume(host);
633
634 return 0;
635 }
636 #endif
637
638 static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
639 {
640 int rc;
641
642 /*
643 * If the device fixup already set the dma_mask to some non-standard
644 * value, don't extend it here. This happens on STA2X11, for example.
645 */
646 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
647 return 0;
648
649 if (using_dac &&
650 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
651 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
652 if (rc) {
653 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
654 if (rc) {
655 dev_err(&pdev->dev,
656 "64-bit DMA enable failed\n");
657 return rc;
658 }
659 }
660 } else {
661 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
662 if (rc) {
663 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
664 return rc;
665 }
666 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
667 if (rc) {
668 dev_err(&pdev->dev,
669 "32-bit consistent DMA enable failed\n");
670 return rc;
671 }
672 }
673 return 0;
674 }
675
676 static void ahci_pci_print_info(struct ata_host *host)
677 {
678 struct pci_dev *pdev = to_pci_dev(host->dev);
679 u16 cc;
680 const char *scc_s;
681
682 pci_read_config_word(pdev, 0x0a, &cc);
683 if (cc == PCI_CLASS_STORAGE_IDE)
684 scc_s = "IDE";
685 else if (cc == PCI_CLASS_STORAGE_SATA)
686 scc_s = "SATA";
687 else if (cc == PCI_CLASS_STORAGE_RAID)
688 scc_s = "RAID";
689 else
690 scc_s = "unknown";
691
692 ahci_print_info(host, scc_s);
693 }
694
695 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
696 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
697 * support PMP and the 4726 either directly exports the device
698 * attached to the first downstream port or acts as a hardware storage
699 * controller and emulate a single ATA device (can be RAID 0/1 or some
700 * other configuration).
701 *
702 * When there's no device attached to the first downstream port of the
703 * 4726, "Config Disk" appears, which is a pseudo ATA device to
704 * configure the 4726. However, ATA emulation of the device is very
705 * lame. It doesn't send signature D2H Reg FIS after the initial
706 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
707 *
708 * The following function works around the problem by always using
709 * hardreset on the port and not depending on receiving signature FIS
710 * afterward. If signature FIS isn't received soon, ATA class is
711 * assumed without follow-up softreset.
712 */
713 static void ahci_p5wdh_workaround(struct ata_host *host)
714 {
715 static struct dmi_system_id sysids[] = {
716 {
717 .ident = "P5W DH Deluxe",
718 .matches = {
719 DMI_MATCH(DMI_SYS_VENDOR,
720 "ASUSTEK COMPUTER INC"),
721 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
722 },
723 },
724 { }
725 };
726 struct pci_dev *pdev = to_pci_dev(host->dev);
727
728 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
729 dmi_check_system(sysids)) {
730 struct ata_port *ap = host->ports[1];
731
732 dev_info(&pdev->dev,
733 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
734
735 ap->ops = &ahci_p5wdh_ops;
736 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
737 }
738 }
739
740 /* only some SB600 ahci controllers can do 64bit DMA */
741 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
742 {
743 static const struct dmi_system_id sysids[] = {
744 /*
745 * The oldest version known to be broken is 0901 and
746 * working is 1501 which was released on 2007-10-26.
747 * Enable 64bit DMA on 1501 and anything newer.
748 *
749 * Please read bko#9412 for more info.
750 */
751 {
752 .ident = "ASUS M2A-VM",
753 .matches = {
754 DMI_MATCH(DMI_BOARD_VENDOR,
755 "ASUSTeK Computer INC."),
756 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
757 },
758 .driver_data = "20071026", /* yyyymmdd */
759 },
760 /*
761 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
762 * support 64bit DMA.
763 *
764 * BIOS versions earlier than 1.5 had the Manufacturer DMI
765 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
766 * This spelling mistake was fixed in BIOS version 1.5, so
767 * 1.5 and later have the Manufacturer as
768 * "MICRO-STAR INTERNATIONAL CO.,LTD".
769 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
770 *
771 * BIOS versions earlier than 1.9 had a Board Product Name
772 * DMI field of "MS-7376". This was changed to be
773 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
774 * match on DMI_BOARD_NAME of "MS-7376".
775 */
776 {
777 .ident = "MSI K9A2 Platinum",
778 .matches = {
779 DMI_MATCH(DMI_BOARD_VENDOR,
780 "MICRO-STAR INTER"),
781 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
782 },
783 },
784 /*
785 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
786 * 64bit DMA.
787 *
788 * This board also had the typo mentioned above in the
789 * Manufacturer DMI field (fixed in BIOS version 1.5), so
790 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
791 */
792 {
793 .ident = "MSI K9AGM2",
794 .matches = {
795 DMI_MATCH(DMI_BOARD_VENDOR,
796 "MICRO-STAR INTER"),
797 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
798 },
799 },
800 /*
801 * All BIOS versions for the Asus M3A support 64bit DMA.
802 * (all release versions from 0301 to 1206 were tested)
803 */
804 {
805 .ident = "ASUS M3A",
806 .matches = {
807 DMI_MATCH(DMI_BOARD_VENDOR,
808 "ASUSTeK Computer INC."),
809 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
810 },
811 },
812 { }
813 };
814 const struct dmi_system_id *match;
815 int year, month, date;
816 char buf[9];
817
818 match = dmi_first_match(sysids);
819 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
820 !match)
821 return false;
822
823 if (!match->driver_data)
824 goto enable_64bit;
825
826 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
827 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
828
829 if (strcmp(buf, match->driver_data) >= 0)
830 goto enable_64bit;
831 else {
832 dev_warn(&pdev->dev,
833 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
834 match->ident);
835 return false;
836 }
837
838 enable_64bit:
839 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
840 return true;
841 }
842
843 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
844 {
845 static const struct dmi_system_id broken_systems[] = {
846 {
847 .ident = "HP Compaq nx6310",
848 .matches = {
849 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
850 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
851 },
852 /* PCI slot number of the controller */
853 .driver_data = (void *)0x1FUL,
854 },
855 {
856 .ident = "HP Compaq 6720s",
857 .matches = {
858 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
859 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
860 },
861 /* PCI slot number of the controller */
862 .driver_data = (void *)0x1FUL,
863 },
864
865 { } /* terminate list */
866 };
867 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
868
869 if (dmi) {
870 unsigned long slot = (unsigned long)dmi->driver_data;
871 /* apply the quirk only to on-board controllers */
872 return slot == PCI_SLOT(pdev->devfn);
873 }
874
875 return false;
876 }
877
878 static bool ahci_broken_suspend(struct pci_dev *pdev)
879 {
880 static const struct dmi_system_id sysids[] = {
881 /*
882 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
883 * to the harddisk doesn't become online after
884 * resuming from STR. Warn and fail suspend.
885 *
886 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
887 *
888 * Use dates instead of versions to match as HP is
889 * apparently recycling both product and version
890 * strings.
891 *
892 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
893 */
894 {
895 .ident = "dv4",
896 .matches = {
897 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
898 DMI_MATCH(DMI_PRODUCT_NAME,
899 "HP Pavilion dv4 Notebook PC"),
900 },
901 .driver_data = "20090105", /* F.30 */
902 },
903 {
904 .ident = "dv5",
905 .matches = {
906 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
907 DMI_MATCH(DMI_PRODUCT_NAME,
908 "HP Pavilion dv5 Notebook PC"),
909 },
910 .driver_data = "20090506", /* F.16 */
911 },
912 {
913 .ident = "dv6",
914 .matches = {
915 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
916 DMI_MATCH(DMI_PRODUCT_NAME,
917 "HP Pavilion dv6 Notebook PC"),
918 },
919 .driver_data = "20090423", /* F.21 */
920 },
921 {
922 .ident = "HDX18",
923 .matches = {
924 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
925 DMI_MATCH(DMI_PRODUCT_NAME,
926 "HP HDX18 Notebook PC"),
927 },
928 .driver_data = "20090430", /* F.23 */
929 },
930 /*
931 * Acer eMachines G725 has the same problem. BIOS
932 * V1.03 is known to be broken. V3.04 is known to
933 * work. Between, there are V1.06, V2.06 and V3.03
934 * that we don't have much idea about. For now,
935 * blacklist anything older than V3.04.
936 *
937 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
938 */
939 {
940 .ident = "G725",
941 .matches = {
942 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
943 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
944 },
945 .driver_data = "20091216", /* V3.04 */
946 },
947 { } /* terminate list */
948 };
949 const struct dmi_system_id *dmi = dmi_first_match(sysids);
950 int year, month, date;
951 char buf[9];
952
953 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
954 return false;
955
956 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
957 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
958
959 return strcmp(buf, dmi->driver_data) < 0;
960 }
961
962 static bool ahci_broken_online(struct pci_dev *pdev)
963 {
964 #define ENCODE_BUSDEVFN(bus, slot, func) \
965 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
966 static const struct dmi_system_id sysids[] = {
967 /*
968 * There are several gigabyte boards which use
969 * SIMG5723s configured as hardware RAID. Certain
970 * 5723 firmware revisions shipped there keep the link
971 * online but fail to answer properly to SRST or
972 * IDENTIFY when no device is attached downstream
973 * causing libata to retry quite a few times leading
974 * to excessive detection delay.
975 *
976 * As these firmwares respond to the second reset try
977 * with invalid device signature, considering unknown
978 * sig as offline works around the problem acceptably.
979 */
980 {
981 .ident = "EP45-DQ6",
982 .matches = {
983 DMI_MATCH(DMI_BOARD_VENDOR,
984 "Gigabyte Technology Co., Ltd."),
985 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
986 },
987 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
988 },
989 {
990 .ident = "EP45-DS5",
991 .matches = {
992 DMI_MATCH(DMI_BOARD_VENDOR,
993 "Gigabyte Technology Co., Ltd."),
994 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
995 },
996 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
997 },
998 { } /* terminate list */
999 };
1000 #undef ENCODE_BUSDEVFN
1001 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1002 unsigned int val;
1003
1004 if (!dmi)
1005 return false;
1006
1007 val = (unsigned long)dmi->driver_data;
1008
1009 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1010 }
1011
1012 #ifdef CONFIG_ATA_ACPI
1013 static void ahci_gtf_filter_workaround(struct ata_host *host)
1014 {
1015 static const struct dmi_system_id sysids[] = {
1016 /*
1017 * Aspire 3810T issues a bunch of SATA enable commands
1018 * via _GTF including an invalid one and one which is
1019 * rejected by the device. Among the successful ones
1020 * is FPDMA non-zero offset enable which when enabled
1021 * only on the drive side leads to NCQ command
1022 * failures. Filter it out.
1023 */
1024 {
1025 .ident = "Aspire 3810T",
1026 .matches = {
1027 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1028 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1029 },
1030 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1031 },
1032 { }
1033 };
1034 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1035 unsigned int filter;
1036 int i;
1037
1038 if (!dmi)
1039 return;
1040
1041 filter = (unsigned long)dmi->driver_data;
1042 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1043 filter, dmi->ident);
1044
1045 for (i = 0; i < host->n_ports; i++) {
1046 struct ata_port *ap = host->ports[i];
1047 struct ata_link *link;
1048 struct ata_device *dev;
1049
1050 ata_for_each_link(link, ap, EDGE)
1051 ata_for_each_dev(dev, link, ALL)
1052 dev->gtf_filter |= filter;
1053 }
1054 }
1055 #else
1056 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1057 {}
1058 #endif
1059
1060 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1061 {
1062 unsigned int board_id = ent->driver_data;
1063 struct ata_port_info pi = ahci_port_info[board_id];
1064 const struct ata_port_info *ppi[] = { &pi, NULL };
1065 struct device *dev = &pdev->dev;
1066 struct ahci_host_priv *hpriv;
1067 struct ata_host *host;
1068 int n_ports, i, rc;
1069 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1070
1071 VPRINTK("ENTER\n");
1072
1073 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1074
1075 ata_print_version_once(&pdev->dev, DRV_VERSION);
1076
1077 /* The AHCI driver can only drive the SATA ports, the PATA driver
1078 can drive them all so if both drivers are selected make sure
1079 AHCI stays out of the way */
1080 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1081 return -ENODEV;
1082
1083 /*
1084 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1085 * ahci, use ata_generic instead.
1086 */
1087 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1088 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1089 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1090 pdev->subsystem_device == 0xcb89)
1091 return -ENODEV;
1092
1093 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1094 * At the moment, we can only use the AHCI mode. Let the users know
1095 * that for SAS drives they're out of luck.
1096 */
1097 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1098 dev_info(&pdev->dev,
1099 "PDC42819 can only drive SATA devices with this driver\n");
1100
1101 /* The Connext uses non-standard BAR */
1102 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1103 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1104
1105 /* acquire resources */
1106 rc = pcim_enable_device(pdev);
1107 if (rc)
1108 return rc;
1109
1110 /* AHCI controllers often implement SFF compatible interface.
1111 * Grab all PCI BARs just in case.
1112 */
1113 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1114 if (rc == -EBUSY)
1115 pcim_pin_device(pdev);
1116 if (rc)
1117 return rc;
1118
1119 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1120 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1121 u8 map;
1122
1123 /* ICH6s share the same PCI ID for both piix and ahci
1124 * modes. Enabling ahci mode while MAP indicates
1125 * combined mode is a bad idea. Yield to ata_piix.
1126 */
1127 pci_read_config_byte(pdev, ICH_MAP, &map);
1128 if (map & 0x3) {
1129 dev_info(&pdev->dev,
1130 "controller is in combined mode, can't enable AHCI mode\n");
1131 return -ENODEV;
1132 }
1133 }
1134
1135 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1136 if (!hpriv)
1137 return -ENOMEM;
1138 hpriv->flags |= (unsigned long)pi.private_data;
1139
1140 /* MCP65 revision A1 and A2 can't do MSI */
1141 if (board_id == board_ahci_mcp65 &&
1142 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1143 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1144
1145 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1146 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1147 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1148
1149 /* only some SB600s can do 64bit DMA */
1150 if (ahci_sb600_enable_64bit(pdev))
1151 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1152
1153 if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
1154 pci_intx(pdev, 1);
1155
1156 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1157
1158 /* save initial config */
1159 ahci_pci_save_initial_config(pdev, hpriv);
1160
1161 /* prepare host */
1162 if (hpriv->cap & HOST_CAP_NCQ) {
1163 pi.flags |= ATA_FLAG_NCQ;
1164 /*
1165 * Auto-activate optimization is supposed to be
1166 * supported on all AHCI controllers indicating NCQ
1167 * capability, but it seems to be broken on some
1168 * chipsets including NVIDIAs.
1169 */
1170 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1171 pi.flags |= ATA_FLAG_FPDMA_AA;
1172 }
1173
1174 if (hpriv->cap & HOST_CAP_PMP)
1175 pi.flags |= ATA_FLAG_PMP;
1176
1177 ahci_set_em_messages(hpriv, &pi);
1178
1179 if (ahci_broken_system_poweroff(pdev)) {
1180 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1181 dev_info(&pdev->dev,
1182 "quirky BIOS, skipping spindown on poweroff\n");
1183 }
1184
1185 if (ahci_broken_suspend(pdev)) {
1186 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1187 dev_warn(&pdev->dev,
1188 "BIOS update required for suspend/resume\n");
1189 }
1190
1191 if (ahci_broken_online(pdev)) {
1192 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1193 dev_info(&pdev->dev,
1194 "online status unreliable, applying workaround\n");
1195 }
1196
1197 /* CAP.NP sometimes indicate the index of the last enabled
1198 * port, at other times, that of the last possible port, so
1199 * determining the maximum port number requires looking at
1200 * both CAP.NP and port_map.
1201 */
1202 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1203
1204 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1205 if (!host)
1206 return -ENOMEM;
1207 host->private_data = hpriv;
1208
1209 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1210 host->flags |= ATA_HOST_PARALLEL_SCAN;
1211 else
1212 printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
1213
1214 if (pi.flags & ATA_FLAG_EM)
1215 ahci_reset_em(host);
1216
1217 for (i = 0; i < host->n_ports; i++) {
1218 struct ata_port *ap = host->ports[i];
1219
1220 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1221 ata_port_pbar_desc(ap, ahci_pci_bar,
1222 0x100 + ap->port_no * 0x80, "port");
1223
1224 /* set enclosure management message type */
1225 if (ap->flags & ATA_FLAG_EM)
1226 ap->em_message_type = hpriv->em_msg_type;
1227
1228
1229 /* disabled/not-implemented port */
1230 if (!(hpriv->port_map & (1 << i)))
1231 ap->ops = &ata_dummy_port_ops;
1232 }
1233
1234 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1235 ahci_p5wdh_workaround(host);
1236
1237 /* apply gtf filter quirk */
1238 ahci_gtf_filter_workaround(host);
1239
1240 /* initialize adapter */
1241 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1242 if (rc)
1243 return rc;
1244
1245 rc = ahci_pci_reset_controller(host);
1246 if (rc)
1247 return rc;
1248
1249 ahci_pci_init_controller(host);
1250 ahci_pci_print_info(host);
1251
1252 pci_set_master(pdev);
1253 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1254 &ahci_sht);
1255 }
1256
1257 module_pci_driver(ahci_pci_driver);
1258
1259 MODULE_AUTHOR("Jeff Garzik");
1260 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1261 MODULE_LICENSE("GPL");
1262 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1263 MODULE_VERSION(DRV_VERSION);
kernel source for telekom puls (alcatel/mediatek)