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Merge branches 'devel-stable', 'entry', 'fixes', 'mach-types', 'misc' and 'smp-hotplu...
[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_ENMOTUS = 2,
57 AHCI_PCI_BAR_STANDARD = 5,
58 };
59
60 enum board_ids {
61 /* board IDs by feature in alphabetical order */
62 board_ahci,
63 board_ahci_ign_iferr,
64 board_ahci_nosntf,
65 board_ahci_yes_fbs,
66
67 /* board IDs for specific chipsets in alphabetical order */
68 board_ahci_mcp65,
69 board_ahci_mcp77,
70 board_ahci_mcp89,
71 board_ahci_mv,
72 board_ahci_sb600,
73 board_ahci_sb700, /* for SB700 and SB800 */
74 board_ahci_vt8251,
75
76 /* aliases */
77 board_ahci_mcp_linux = board_ahci_mcp65,
78 board_ahci_mcp67 = board_ahci_mcp65,
79 board_ahci_mcp73 = board_ahci_mcp65,
80 board_ahci_mcp79 = board_ahci_mcp77,
81 };
82
83 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
84 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
85 unsigned long deadline);
86 static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
87 unsigned long deadline);
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 const struct ata_port_info ahci_port_info[] = {
108 /* by features */
109 [board_ahci] = {
110 .flags = AHCI_FLAG_COMMON,
111 .pio_mask = ATA_PIO4,
112 .udma_mask = ATA_UDMA6,
113 .port_ops = &ahci_ops,
114 },
115 [board_ahci_ign_iferr] = {
116 AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
117 .flags = AHCI_FLAG_COMMON,
118 .pio_mask = ATA_PIO4,
119 .udma_mask = ATA_UDMA6,
120 .port_ops = &ahci_ops,
121 },
122 [board_ahci_nosntf] = {
123 AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
124 .flags = AHCI_FLAG_COMMON,
125 .pio_mask = ATA_PIO4,
126 .udma_mask = ATA_UDMA6,
127 .port_ops = &ahci_ops,
128 },
129 [board_ahci_yes_fbs] = {
130 AHCI_HFLAGS (AHCI_HFLAG_YES_FBS),
131 .flags = AHCI_FLAG_COMMON,
132 .pio_mask = ATA_PIO4,
133 .udma_mask = ATA_UDMA6,
134 .port_ops = &ahci_ops,
135 },
136 /* by chipsets */
137 [board_ahci_mcp65] = {
138 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
139 AHCI_HFLAG_YES_NCQ),
140 .flags = AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM,
141 .pio_mask = ATA_PIO4,
142 .udma_mask = ATA_UDMA6,
143 .port_ops = &ahci_ops,
144 },
145 [board_ahci_mcp77] = {
146 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP),
147 .flags = AHCI_FLAG_COMMON,
148 .pio_mask = ATA_PIO4,
149 .udma_mask = ATA_UDMA6,
150 .port_ops = &ahci_ops,
151 },
152 [board_ahci_mcp89] = {
153 AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA),
154 .flags = AHCI_FLAG_COMMON,
155 .pio_mask = ATA_PIO4,
156 .udma_mask = ATA_UDMA6,
157 .port_ops = &ahci_ops,
158 },
159 [board_ahci_mv] = {
160 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
161 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
162 .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
163 .pio_mask = ATA_PIO4,
164 .udma_mask = ATA_UDMA6,
165 .port_ops = &ahci_ops,
166 },
167 [board_ahci_sb600] = {
168 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL |
169 AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 |
170 AHCI_HFLAG_32BIT_ONLY),
171 .flags = AHCI_FLAG_COMMON,
172 .pio_mask = ATA_PIO4,
173 .udma_mask = ATA_UDMA6,
174 .port_ops = &ahci_pmp_retry_srst_ops,
175 },
176 [board_ahci_sb700] = { /* for SB700 and SB800 */
177 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL),
178 .flags = AHCI_FLAG_COMMON,
179 .pio_mask = ATA_PIO4,
180 .udma_mask = ATA_UDMA6,
181 .port_ops = &ahci_pmp_retry_srst_ops,
182 },
183 [board_ahci_vt8251] = {
184 AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
185 .flags = AHCI_FLAG_COMMON,
186 .pio_mask = ATA_PIO4,
187 .udma_mask = ATA_UDMA6,
188 .port_ops = &ahci_vt8251_ops,
189 },
190 };
191
192 static const struct pci_device_id ahci_pci_tbl[] = {
193 /* Intel */
194 { PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
195 { PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
196 { PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
197 { PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
198 { PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
199 { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
200 { PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
201 { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
202 { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
203 { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
204 { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
205 { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
206 { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
207 { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
208 { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
209 { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
210 { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
211 { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
212 { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
213 { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
214 { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */
215 { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */
216 { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */
217 { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */
218 { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */
219 { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
220 { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
221 { PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
222 { PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
223 { PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
224 { PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
225 { PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
226 { PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
227 { PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
228 { PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
229 { PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
230 { PCI_VDEVICE(INTEL, 0x3b29), board_ahci }, /* PCH AHCI */
231 { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
232 { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */
233 { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
234 { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
235 { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */
236 { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
237 { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */
238 { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
239 { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
240 { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
241 { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
242 { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
243 { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
244 { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
245 { PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
246 { PCI_VDEVICE(INTEL, 0x1e03), board_ahci }, /* Panther Point AHCI */
247 { PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
248 { PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
249 { PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
250 { PCI_VDEVICE(INTEL, 0x1e07), board_ahci }, /* Panther Point RAID */
251 { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
252 { PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
253 { PCI_VDEVICE(INTEL, 0x8c03), board_ahci }, /* Lynx Point AHCI */
254 { PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
255 { PCI_VDEVICE(INTEL, 0x8c05), board_ahci }, /* Lynx Point RAID */
256 { PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
257 { PCI_VDEVICE(INTEL, 0x8c07), board_ahci }, /* Lynx Point RAID */
258 { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
259 { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci }, /* Lynx Point RAID */
260 { PCI_VDEVICE(INTEL, 0x9c02), board_ahci }, /* Lynx Point-LP AHCI */
261 { PCI_VDEVICE(INTEL, 0x9c03), board_ahci }, /* Lynx Point-LP AHCI */
262 { PCI_VDEVICE(INTEL, 0x9c04), board_ahci }, /* Lynx Point-LP RAID */
263 { PCI_VDEVICE(INTEL, 0x9c05), board_ahci }, /* Lynx Point-LP RAID */
264 { PCI_VDEVICE(INTEL, 0x9c06), board_ahci }, /* Lynx Point-LP RAID */
265 { PCI_VDEVICE(INTEL, 0x9c07), board_ahci }, /* Lynx Point-LP RAID */
266 { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci }, /* Lynx Point-LP RAID */
267 { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci }, /* Lynx Point-LP RAID */
268 { PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
269 { PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
270 { PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
271 { PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
272 { PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
273 { PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
274 { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
275 { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* Avoton RAID */
276 { PCI_VDEVICE(INTEL, 0x1f32), board_ahci }, /* Avoton AHCI */
277 { PCI_VDEVICE(INTEL, 0x1f33), board_ahci }, /* Avoton AHCI */
278 { PCI_VDEVICE(INTEL, 0x1f34), board_ahci }, /* Avoton RAID */
279 { PCI_VDEVICE(INTEL, 0x1f35), board_ahci }, /* Avoton RAID */
280 { PCI_VDEVICE(INTEL, 0x1f36), board_ahci }, /* Avoton RAID */
281 { PCI_VDEVICE(INTEL, 0x1f37), board_ahci }, /* Avoton RAID */
282 { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci }, /* Avoton RAID */
283 { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci }, /* Avoton RAID */
284 { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
285 { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
286 { PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
287 { PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
288 { PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
289 { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
290 { PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
291 { PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
292 { PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
293 { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
294
295 /* JMicron 360/1/3/5/6, match class to avoid IDE function */
296 { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
297 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
298 /* JMicron 362B and 362C have an AHCI function with IDE class code */
299 { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
300 { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
301
302 /* ATI */
303 { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
304 { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */
305 { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */
306 { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */
307 { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */
308 { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */
309 { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */
310
311 /* AMD */
312 { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
313 /* AMD is using RAID class only for ahci controllers */
314 { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
315 PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
316
317 /* VIA */
318 { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
319 { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
320
321 /* NVIDIA */
322 { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 }, /* MCP65 */
323 { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 }, /* MCP65 */
324 { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 }, /* MCP65 */
325 { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 }, /* MCP65 */
326 { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 }, /* MCP65 */
327 { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
328 { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
329 { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
330 { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 }, /* MCP67 */
331 { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 }, /* MCP67 */
332 { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 }, /* MCP67 */
333 { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 }, /* MCP67 */
334 { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 }, /* MCP67 */
335 { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 }, /* MCP67 */
336 { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 }, /* MCP67 */
337 { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 }, /* MCP67 */
338 { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 }, /* MCP67 */
339 { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 }, /* MCP67 */
340 { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 }, /* MCP67 */
341 { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 }, /* MCP67 */
342 { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux }, /* Linux ID */
343 { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux }, /* Linux ID */
344 { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux }, /* Linux ID */
345 { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux }, /* Linux ID */
346 { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux }, /* Linux ID */
347 { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux }, /* Linux ID */
348 { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux }, /* Linux ID */
349 { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux }, /* Linux ID */
350 { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux }, /* Linux ID */
351 { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux }, /* Linux ID */
352 { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux }, /* Linux ID */
353 { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux }, /* Linux ID */
354 { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux }, /* Linux ID */
355 { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux }, /* Linux ID */
356 { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux }, /* Linux ID */
357 { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux }, /* Linux ID */
358 { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 }, /* MCP73 */
359 { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 }, /* MCP73 */
360 { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 }, /* MCP73 */
361 { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 }, /* MCP73 */
362 { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 }, /* MCP73 */
363 { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 }, /* MCP73 */
364 { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 }, /* MCP73 */
365 { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 }, /* MCP73 */
366 { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 }, /* MCP73 */
367 { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 }, /* MCP73 */
368 { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 }, /* MCP73 */
369 { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 }, /* MCP73 */
370 { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 }, /* MCP77 */
371 { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 }, /* MCP77 */
372 { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 }, /* MCP77 */
373 { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 }, /* MCP77 */
374 { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 }, /* MCP77 */
375 { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 }, /* MCP77 */
376 { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 }, /* MCP77 */
377 { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 }, /* MCP77 */
378 { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 }, /* MCP77 */
379 { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 }, /* MCP77 */
380 { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 }, /* MCP77 */
381 { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 }, /* MCP77 */
382 { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 }, /* MCP79 */
383 { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 }, /* MCP79 */
384 { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 }, /* MCP79 */
385 { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 }, /* MCP79 */
386 { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 }, /* MCP79 */
387 { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 }, /* MCP79 */
388 { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 }, /* MCP79 */
389 { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 }, /* MCP79 */
390 { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 }, /* MCP79 */
391 { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 }, /* MCP79 */
392 { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 }, /* MCP79 */
393 { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 }, /* MCP79 */
394 { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 }, /* MCP89 */
395 { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 }, /* MCP89 */
396 { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 }, /* MCP89 */
397 { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 }, /* MCP89 */
398 { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 }, /* MCP89 */
399 { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 }, /* MCP89 */
400 { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 }, /* MCP89 */
401 { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 }, /* MCP89 */
402 { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 }, /* MCP89 */
403 { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 }, /* MCP89 */
404 { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 }, /* MCP89 */
405 { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 }, /* MCP89 */
406
407 /* SiS */
408 { PCI_VDEVICE(SI, 0x1184), board_ahci }, /* SiS 966 */
409 { PCI_VDEVICE(SI, 0x1185), board_ahci }, /* SiS 968 */
410 { PCI_VDEVICE(SI, 0x0186), board_ahci }, /* SiS 968 */
411
412 /* ST Microelectronics */
413 { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci }, /* ST ConneXt */
414
415 /* Marvell */
416 { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv }, /* 6145 */
417 { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv }, /* 6121 */
418 { PCI_DEVICE(0x1b4b, 0x9123),
419 .class = PCI_CLASS_STORAGE_SATA_AHCI,
420 .class_mask = 0xffffff,
421 .driver_data = board_ahci_yes_fbs }, /* 88se9128 */
422 { PCI_DEVICE(0x1b4b, 0x9125),
423 .driver_data = board_ahci_yes_fbs }, /* 88se9125 */
424 { PCI_DEVICE(0x1b4b, 0x917a),
425 .driver_data = board_ahci_yes_fbs }, /* 88se9172 */
426 { PCI_DEVICE(0x1b4b, 0x9192),
427 .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */
428 { PCI_DEVICE(0x1b4b, 0x91a3),
429 .driver_data = board_ahci_yes_fbs },
430
431 /* Promise */
432 { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
433
434 /* Asmedia */
435 { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
436 { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
437 { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
438 { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
439
440 /* Enmotus */
441 { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
442
443 /* Generic, PCI class code for AHCI */
444 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
445 PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
446
447 { } /* terminate list */
448 };
449
450
451 static struct pci_driver ahci_pci_driver = {
452 .name = DRV_NAME,
453 .id_table = ahci_pci_tbl,
454 .probe = ahci_init_one,
455 .remove = ata_pci_remove_one,
456 #ifdef CONFIG_PM
457 .suspend = ahci_pci_device_suspend,
458 .resume = ahci_pci_device_resume,
459 #endif
460 };
461
462 #if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
463 static int marvell_enable;
464 #else
465 static int marvell_enable = 1;
466 #endif
467 module_param(marvell_enable, int, 0644);
468 MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
469
470
471 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
472 struct ahci_host_priv *hpriv)
473 {
474 unsigned int force_port_map = 0;
475 unsigned int mask_port_map = 0;
476
477 if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
478 dev_info(&pdev->dev, "JMB361 has only one port\n");
479 force_port_map = 1;
480 }
481
482 /*
483 * Temporary Marvell 6145 hack: PATA port presence
484 * is asserted through the standard AHCI port
485 * presence register, as bit 4 (counting from 0)
486 */
487 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
488 if (pdev->device == 0x6121)
489 mask_port_map = 0x3;
490 else
491 mask_port_map = 0xf;
492 dev_info(&pdev->dev,
493 "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
494 }
495
496 ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
497 mask_port_map);
498 }
499
500 static int ahci_pci_reset_controller(struct ata_host *host)
501 {
502 struct pci_dev *pdev = to_pci_dev(host->dev);
503
504 ahci_reset_controller(host);
505
506 if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
507 struct ahci_host_priv *hpriv = host->private_data;
508 u16 tmp16;
509
510 /* configure PCS */
511 pci_read_config_word(pdev, 0x92, &tmp16);
512 if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
513 tmp16 |= hpriv->port_map;
514 pci_write_config_word(pdev, 0x92, tmp16);
515 }
516 }
517
518 return 0;
519 }
520
521 static void ahci_pci_init_controller(struct ata_host *host)
522 {
523 struct ahci_host_priv *hpriv = host->private_data;
524 struct pci_dev *pdev = to_pci_dev(host->dev);
525 void __iomem *port_mmio;
526 u32 tmp;
527 int mv;
528
529 if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
530 if (pdev->device == 0x6121)
531 mv = 2;
532 else
533 mv = 4;
534 port_mmio = __ahci_port_base(host, mv);
535
536 writel(0, port_mmio + PORT_IRQ_MASK);
537
538 /* clear port IRQ */
539 tmp = readl(port_mmio + PORT_IRQ_STAT);
540 VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
541 if (tmp)
542 writel(tmp, port_mmio + PORT_IRQ_STAT);
543 }
544
545 ahci_init_controller(host);
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_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 /*
673 * If the device fixup already set the dma_mask to some non-standard
674 * value, don't extend it here. This happens on STA2X11, for example.
675 */
676 if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
677 return 0;
678
679 if (using_dac &&
680 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
681 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
682 if (rc) {
683 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
684 if (rc) {
685 dev_err(&pdev->dev,
686 "64-bit DMA enable failed\n");
687 return rc;
688 }
689 }
690 } else {
691 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
692 if (rc) {
693 dev_err(&pdev->dev, "32-bit DMA enable failed\n");
694 return rc;
695 }
696 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
697 if (rc) {
698 dev_err(&pdev->dev,
699 "32-bit consistent DMA enable failed\n");
700 return rc;
701 }
702 }
703 return 0;
704 }
705
706 static void ahci_pci_print_info(struct ata_host *host)
707 {
708 struct pci_dev *pdev = to_pci_dev(host->dev);
709 u16 cc;
710 const char *scc_s;
711
712 pci_read_config_word(pdev, 0x0a, &cc);
713 if (cc == PCI_CLASS_STORAGE_IDE)
714 scc_s = "IDE";
715 else if (cc == PCI_CLASS_STORAGE_SATA)
716 scc_s = "SATA";
717 else if (cc == PCI_CLASS_STORAGE_RAID)
718 scc_s = "RAID";
719 else
720 scc_s = "unknown";
721
722 ahci_print_info(host, scc_s);
723 }
724
725 /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
726 * hardwired to on-board SIMG 4726. The chipset is ICH8 and doesn't
727 * support PMP and the 4726 either directly exports the device
728 * attached to the first downstream port or acts as a hardware storage
729 * controller and emulate a single ATA device (can be RAID 0/1 or some
730 * other configuration).
731 *
732 * When there's no device attached to the first downstream port of the
733 * 4726, "Config Disk" appears, which is a pseudo ATA device to
734 * configure the 4726. However, ATA emulation of the device is very
735 * lame. It doesn't send signature D2H Reg FIS after the initial
736 * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues.
737 *
738 * The following function works around the problem by always using
739 * hardreset on the port and not depending on receiving signature FIS
740 * afterward. If signature FIS isn't received soon, ATA class is
741 * assumed without follow-up softreset.
742 */
743 static void ahci_p5wdh_workaround(struct ata_host *host)
744 {
745 static struct dmi_system_id sysids[] = {
746 {
747 .ident = "P5W DH Deluxe",
748 .matches = {
749 DMI_MATCH(DMI_SYS_VENDOR,
750 "ASUSTEK COMPUTER INC"),
751 DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
752 },
753 },
754 { }
755 };
756 struct pci_dev *pdev = to_pci_dev(host->dev);
757
758 if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) &&
759 dmi_check_system(sysids)) {
760 struct ata_port *ap = host->ports[1];
761
762 dev_info(&pdev->dev,
763 "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n");
764
765 ap->ops = &ahci_p5wdh_ops;
766 ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA;
767 }
768 }
769
770 /* only some SB600 ahci controllers can do 64bit DMA */
771 static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
772 {
773 static const struct dmi_system_id sysids[] = {
774 /*
775 * The oldest version known to be broken is 0901 and
776 * working is 1501 which was released on 2007-10-26.
777 * Enable 64bit DMA on 1501 and anything newer.
778 *
779 * Please read bko#9412 for more info.
780 */
781 {
782 .ident = "ASUS M2A-VM",
783 .matches = {
784 DMI_MATCH(DMI_BOARD_VENDOR,
785 "ASUSTeK Computer INC."),
786 DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"),
787 },
788 .driver_data = "20071026", /* yyyymmdd */
789 },
790 /*
791 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
792 * support 64bit DMA.
793 *
794 * BIOS versions earlier than 1.5 had the Manufacturer DMI
795 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
796 * This spelling mistake was fixed in BIOS version 1.5, so
797 * 1.5 and later have the Manufacturer as
798 * "MICRO-STAR INTERNATIONAL CO.,LTD".
799 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
800 *
801 * BIOS versions earlier than 1.9 had a Board Product Name
802 * DMI field of "MS-7376". This was changed to be
803 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
804 * match on DMI_BOARD_NAME of "MS-7376".
805 */
806 {
807 .ident = "MSI K9A2 Platinum",
808 .matches = {
809 DMI_MATCH(DMI_BOARD_VENDOR,
810 "MICRO-STAR INTER"),
811 DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
812 },
813 },
814 /*
815 * All BIOS versions for the MSI K9AGM2 (MS-7327) support
816 * 64bit DMA.
817 *
818 * This board also had the typo mentioned above in the
819 * Manufacturer DMI field (fixed in BIOS version 1.5), so
820 * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again.
821 */
822 {
823 .ident = "MSI K9AGM2",
824 .matches = {
825 DMI_MATCH(DMI_BOARD_VENDOR,
826 "MICRO-STAR INTER"),
827 DMI_MATCH(DMI_BOARD_NAME, "MS-7327"),
828 },
829 },
830 /*
831 * All BIOS versions for the Asus M3A support 64bit DMA.
832 * (all release versions from 0301 to 1206 were tested)
833 */
834 {
835 .ident = "ASUS M3A",
836 .matches = {
837 DMI_MATCH(DMI_BOARD_VENDOR,
838 "ASUSTeK Computer INC."),
839 DMI_MATCH(DMI_BOARD_NAME, "M3A"),
840 },
841 },
842 { }
843 };
844 const struct dmi_system_id *match;
845 int year, month, date;
846 char buf[9];
847
848 match = dmi_first_match(sysids);
849 if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) ||
850 !match)
851 return false;
852
853 if (!match->driver_data)
854 goto enable_64bit;
855
856 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
857 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
858
859 if (strcmp(buf, match->driver_data) >= 0)
860 goto enable_64bit;
861 else {
862 dev_warn(&pdev->dev,
863 "%s: BIOS too old, forcing 32bit DMA, update BIOS\n",
864 match->ident);
865 return false;
866 }
867
868 enable_64bit:
869 dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident);
870 return true;
871 }
872
873 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
874 {
875 static const struct dmi_system_id broken_systems[] = {
876 {
877 .ident = "HP Compaq nx6310",
878 .matches = {
879 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
880 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
881 },
882 /* PCI slot number of the controller */
883 .driver_data = (void *)0x1FUL,
884 },
885 {
886 .ident = "HP Compaq 6720s",
887 .matches = {
888 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
889 DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
890 },
891 /* PCI slot number of the controller */
892 .driver_data = (void *)0x1FUL,
893 },
894
895 { } /* terminate list */
896 };
897 const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
898
899 if (dmi) {
900 unsigned long slot = (unsigned long)dmi->driver_data;
901 /* apply the quirk only to on-board controllers */
902 return slot == PCI_SLOT(pdev->devfn);
903 }
904
905 return false;
906 }
907
908 static bool ahci_broken_suspend(struct pci_dev *pdev)
909 {
910 static const struct dmi_system_id sysids[] = {
911 /*
912 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
913 * to the harddisk doesn't become online after
914 * resuming from STR. Warn and fail suspend.
915 *
916 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
917 *
918 * Use dates instead of versions to match as HP is
919 * apparently recycling both product and version
920 * strings.
921 *
922 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
923 */
924 {
925 .ident = "dv4",
926 .matches = {
927 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
928 DMI_MATCH(DMI_PRODUCT_NAME,
929 "HP Pavilion dv4 Notebook PC"),
930 },
931 .driver_data = "20090105", /* F.30 */
932 },
933 {
934 .ident = "dv5",
935 .matches = {
936 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
937 DMI_MATCH(DMI_PRODUCT_NAME,
938 "HP Pavilion dv5 Notebook PC"),
939 },
940 .driver_data = "20090506", /* F.16 */
941 },
942 {
943 .ident = "dv6",
944 .matches = {
945 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
946 DMI_MATCH(DMI_PRODUCT_NAME,
947 "HP Pavilion dv6 Notebook PC"),
948 },
949 .driver_data = "20090423", /* F.21 */
950 },
951 {
952 .ident = "HDX18",
953 .matches = {
954 DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
955 DMI_MATCH(DMI_PRODUCT_NAME,
956 "HP HDX18 Notebook PC"),
957 },
958 .driver_data = "20090430", /* F.23 */
959 },
960 /*
961 * Acer eMachines G725 has the same problem. BIOS
962 * V1.03 is known to be broken. V3.04 is known to
963 * work. Between, there are V1.06, V2.06 and V3.03
964 * that we don't have much idea about. For now,
965 * blacklist anything older than V3.04.
966 *
967 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
968 */
969 {
970 .ident = "G725",
971 .matches = {
972 DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
973 DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
974 },
975 .driver_data = "20091216", /* V3.04 */
976 },
977 { } /* terminate list */
978 };
979 const struct dmi_system_id *dmi = dmi_first_match(sysids);
980 int year, month, date;
981 char buf[9];
982
983 if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
984 return false;
985
986 dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
987 snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
988
989 return strcmp(buf, dmi->driver_data) < 0;
990 }
991
992 static bool ahci_broken_online(struct pci_dev *pdev)
993 {
994 #define ENCODE_BUSDEVFN(bus, slot, func) \
995 (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func)))
996 static const struct dmi_system_id sysids[] = {
997 /*
998 * There are several gigabyte boards which use
999 * SIMG5723s configured as hardware RAID. Certain
1000 * 5723 firmware revisions shipped there keep the link
1001 * online but fail to answer properly to SRST or
1002 * IDENTIFY when no device is attached downstream
1003 * causing libata to retry quite a few times leading
1004 * to excessive detection delay.
1005 *
1006 * As these firmwares respond to the second reset try
1007 * with invalid device signature, considering unknown
1008 * sig as offline works around the problem acceptably.
1009 */
1010 {
1011 .ident = "EP45-DQ6",
1012 .matches = {
1013 DMI_MATCH(DMI_BOARD_VENDOR,
1014 "Gigabyte Technology Co., Ltd."),
1015 DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"),
1016 },
1017 .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0),
1018 },
1019 {
1020 .ident = "EP45-DS5",
1021 .matches = {
1022 DMI_MATCH(DMI_BOARD_VENDOR,
1023 "Gigabyte Technology Co., Ltd."),
1024 DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"),
1025 },
1026 .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0),
1027 },
1028 { } /* terminate list */
1029 };
1030 #undef ENCODE_BUSDEVFN
1031 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1032 unsigned int val;
1033
1034 if (!dmi)
1035 return false;
1036
1037 val = (unsigned long)dmi->driver_data;
1038
1039 return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
1040 }
1041
1042 #ifdef CONFIG_ATA_ACPI
1043 static void ahci_gtf_filter_workaround(struct ata_host *host)
1044 {
1045 static const struct dmi_system_id sysids[] = {
1046 /*
1047 * Aspire 3810T issues a bunch of SATA enable commands
1048 * via _GTF including an invalid one and one which is
1049 * rejected by the device. Among the successful ones
1050 * is FPDMA non-zero offset enable which when enabled
1051 * only on the drive side leads to NCQ command
1052 * failures. Filter it out.
1053 */
1054 {
1055 .ident = "Aspire 3810T",
1056 .matches = {
1057 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
1058 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
1059 },
1060 .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
1061 },
1062 { }
1063 };
1064 const struct dmi_system_id *dmi = dmi_first_match(sysids);
1065 unsigned int filter;
1066 int i;
1067
1068 if (!dmi)
1069 return;
1070
1071 filter = (unsigned long)dmi->driver_data;
1072 dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n",
1073 filter, dmi->ident);
1074
1075 for (i = 0; i < host->n_ports; i++) {
1076 struct ata_port *ap = host->ports[i];
1077 struct ata_link *link;
1078 struct ata_device *dev;
1079
1080 ata_for_each_link(link, ap, EDGE)
1081 ata_for_each_dev(dev, link, ALL)
1082 dev->gtf_filter |= filter;
1083 }
1084 }
1085 #else
1086 static inline void ahci_gtf_filter_workaround(struct ata_host *host)
1087 {}
1088 #endif
1089
1090 int ahci_init_interrupts(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
1091 {
1092 int rc;
1093 unsigned int maxvec;
1094
1095 if (!(hpriv->flags & AHCI_HFLAG_NO_MSI)) {
1096 rc = pci_enable_msi_block_auto(pdev, &maxvec);
1097 if (rc > 0) {
1098 if ((rc == maxvec) || (rc == 1))
1099 return rc;
1100 /*
1101 * Assume that advantage of multipe MSIs is negated,
1102 * so fallback to single MSI mode to save resources
1103 */
1104 pci_disable_msi(pdev);
1105 if (!pci_enable_msi(pdev))
1106 return 1;
1107 }
1108 }
1109
1110 pci_intx(pdev, 1);
1111 return 0;
1112 }
1113
1114 /**
1115 * ahci_host_activate - start AHCI host, request IRQs and register it
1116 * @host: target ATA host
1117 * @irq: base IRQ number to request
1118 * @n_msis: number of MSIs allocated for this host
1119 * @irq_handler: irq_handler used when requesting IRQs
1120 * @irq_flags: irq_flags used when requesting IRQs
1121 *
1122 * Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
1123 * when multiple MSIs were allocated. That is one MSI per port, starting
1124 * from @irq.
1125 *
1126 * LOCKING:
1127 * Inherited from calling layer (may sleep).
1128 *
1129 * RETURNS:
1130 * 0 on success, -errno otherwise.
1131 */
1132 int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
1133 {
1134 int i, rc;
1135
1136 /* Sharing Last Message among several ports is not supported */
1137 if (n_msis < host->n_ports)
1138 return -EINVAL;
1139
1140 rc = ata_host_start(host);
1141 if (rc)
1142 return rc;
1143
1144 for (i = 0; i < host->n_ports; i++) {
1145 rc = devm_request_threaded_irq(host->dev,
1146 irq + i, ahci_hw_interrupt, ahci_thread_fn, IRQF_SHARED,
1147 dev_driver_string(host->dev), host->ports[i]);
1148 if (rc)
1149 goto out_free_irqs;
1150 }
1151
1152 for (i = 0; i < host->n_ports; i++)
1153 ata_port_desc(host->ports[i], "irq %d", irq + i);
1154
1155 rc = ata_host_register(host, &ahci_sht);
1156 if (rc)
1157 goto out_free_all_irqs;
1158
1159 return 0;
1160
1161 out_free_all_irqs:
1162 i = host->n_ports;
1163 out_free_irqs:
1164 for (i--; i >= 0; i--)
1165 devm_free_irq(host->dev, irq + i, host->ports[i]);
1166
1167 return rc;
1168 }
1169
1170 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1171 {
1172 unsigned int board_id = ent->driver_data;
1173 struct ata_port_info pi = ahci_port_info[board_id];
1174 const struct ata_port_info *ppi[] = { &pi, NULL };
1175 struct device *dev = &pdev->dev;
1176 struct ahci_host_priv *hpriv;
1177 struct ata_host *host;
1178 int n_ports, n_msis, i, rc;
1179 int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
1180
1181 VPRINTK("ENTER\n");
1182
1183 WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS);
1184
1185 ata_print_version_once(&pdev->dev, DRV_VERSION);
1186
1187 /* The AHCI driver can only drive the SATA ports, the PATA driver
1188 can drive them all so if both drivers are selected make sure
1189 AHCI stays out of the way */
1190 if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable)
1191 return -ENODEV;
1192
1193 /*
1194 * For some reason, MCP89 on MacBook 7,1 doesn't work with
1195 * ahci, use ata_generic instead.
1196 */
1197 if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
1198 pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA &&
1199 pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE &&
1200 pdev->subsystem_device == 0xcb89)
1201 return -ENODEV;
1202
1203 /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode.
1204 * At the moment, we can only use the AHCI mode. Let the users know
1205 * that for SAS drives they're out of luck.
1206 */
1207 if (pdev->vendor == PCI_VENDOR_ID_PROMISE)
1208 dev_info(&pdev->dev,
1209 "PDC42819 can only drive SATA devices with this driver\n");
1210
1211 /* Both Connext and Enmotus devices use non-standard BARs */
1212 if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
1213 ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
1214 else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
1215 ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
1216
1217 /* acquire resources */
1218 rc = pcim_enable_device(pdev);
1219 if (rc)
1220 return rc;
1221
1222 /* AHCI controllers often implement SFF compatible interface.
1223 * Grab all PCI BARs just in case.
1224 */
1225 rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
1226 if (rc == -EBUSY)
1227 pcim_pin_device(pdev);
1228 if (rc)
1229 return rc;
1230
1231 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
1232 (pdev->device == 0x2652 || pdev->device == 0x2653)) {
1233 u8 map;
1234
1235 /* ICH6s share the same PCI ID for both piix and ahci
1236 * modes. Enabling ahci mode while MAP indicates
1237 * combined mode is a bad idea. Yield to ata_piix.
1238 */
1239 pci_read_config_byte(pdev, ICH_MAP, &map);
1240 if (map & 0x3) {
1241 dev_info(&pdev->dev,
1242 "controller is in combined mode, can't enable AHCI mode\n");
1243 return -ENODEV;
1244 }
1245 }
1246
1247 hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
1248 if (!hpriv)
1249 return -ENOMEM;
1250 hpriv->flags |= (unsigned long)pi.private_data;
1251
1252 /* MCP65 revision A1 and A2 can't do MSI */
1253 if (board_id == board_ahci_mcp65 &&
1254 (pdev->revision == 0xa1 || pdev->revision == 0xa2))
1255 hpriv->flags |= AHCI_HFLAG_NO_MSI;
1256
1257 /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */
1258 if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
1259 hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
1260
1261 /* only some SB600s can do 64bit DMA */
1262 if (ahci_sb600_enable_64bit(pdev))
1263 hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY;
1264
1265 hpriv->mmio = pcim_iomap_table(pdev)[ahci_pci_bar];
1266
1267 n_msis = ahci_init_interrupts(pdev, hpriv);
1268 if (n_msis > 1)
1269 hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
1270
1271 /* save initial config */
1272 ahci_pci_save_initial_config(pdev, hpriv);
1273
1274 /* prepare host */
1275 if (hpriv->cap & HOST_CAP_NCQ) {
1276 pi.flags |= ATA_FLAG_NCQ;
1277 /*
1278 * Auto-activate optimization is supposed to be
1279 * supported on all AHCI controllers indicating NCQ
1280 * capability, but it seems to be broken on some
1281 * chipsets including NVIDIAs.
1282 */
1283 if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA))
1284 pi.flags |= ATA_FLAG_FPDMA_AA;
1285 }
1286
1287 if (hpriv->cap & HOST_CAP_PMP)
1288 pi.flags |= ATA_FLAG_PMP;
1289
1290 ahci_set_em_messages(hpriv, &pi);
1291
1292 if (ahci_broken_system_poweroff(pdev)) {
1293 pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
1294 dev_info(&pdev->dev,
1295 "quirky BIOS, skipping spindown on poweroff\n");
1296 }
1297
1298 if (ahci_broken_suspend(pdev)) {
1299 hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
1300 dev_warn(&pdev->dev,
1301 "BIOS update required for suspend/resume\n");
1302 }
1303
1304 if (ahci_broken_online(pdev)) {
1305 hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE;
1306 dev_info(&pdev->dev,
1307 "online status unreliable, applying workaround\n");
1308 }
1309
1310 /* CAP.NP sometimes indicate the index of the last enabled
1311 * port, at other times, that of the last possible port, so
1312 * determining the maximum port number requires looking at
1313 * both CAP.NP and port_map.
1314 */
1315 n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
1316
1317 host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
1318 if (!host)
1319 return -ENOMEM;
1320 host->private_data = hpriv;
1321
1322 if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
1323 host->flags |= ATA_HOST_PARALLEL_SCAN;
1324 else
1325 printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
1326
1327 if (pi.flags & ATA_FLAG_EM)
1328 ahci_reset_em(host);
1329
1330 for (i = 0; i < host->n_ports; i++) {
1331 struct ata_port *ap = host->ports[i];
1332
1333 ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar");
1334 ata_port_pbar_desc(ap, ahci_pci_bar,
1335 0x100 + ap->port_no * 0x80, "port");
1336
1337 /* set enclosure management message type */
1338 if (ap->flags & ATA_FLAG_EM)
1339 ap->em_message_type = hpriv->em_msg_type;
1340
1341
1342 /* disabled/not-implemented port */
1343 if (!(hpriv->port_map & (1 << i)))
1344 ap->ops = &ata_dummy_port_ops;
1345 }
1346
1347 /* apply workaround for ASUS P5W DH Deluxe mainboard */
1348 ahci_p5wdh_workaround(host);
1349
1350 /* apply gtf filter quirk */
1351 ahci_gtf_filter_workaround(host);
1352
1353 /* initialize adapter */
1354 rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
1355 if (rc)
1356 return rc;
1357
1358 rc = ahci_pci_reset_controller(host);
1359 if (rc)
1360 return rc;
1361
1362 ahci_pci_init_controller(host);
1363 ahci_pci_print_info(host);
1364
1365 pci_set_master(pdev);
1366
1367 if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
1368 return ahci_host_activate(host, pdev->irq, n_msis);
1369
1370 return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
1371 &ahci_sht);
1372 }
1373
1374 module_pci_driver(ahci_pci_driver);
1375
1376 MODULE_AUTHOR("Jeff Garzik");
1377 MODULE_DESCRIPTION("AHCI SATA low-level driver");
1378 MODULE_LICENSE("GPL");
1379 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
1380 MODULE_VERSION(DRV_VERSION);
kernel source for telekom puls (alcatel/mediatek)