Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * Copyright (C) 1998-2000 Michel Aubry |
3 | * Copyright (C) 1998-2000 Andrzej Krzysztofowicz | |
4 | * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> | |
9445de76 | 5 | * Copyright (C) 2007 Bartlomiej Zolnierkiewicz |
1da177e4 LT |
6 | * Portions copyright (c) 2001 Sun Microsystems |
7 | * | |
8 | * | |
9 | * RCC/ServerWorks IDE driver for Linux | |
10 | * | |
11 | * OSB4: `Open South Bridge' IDE Interface (fn 1) | |
12 | * supports UDMA mode 2 (33 MB/s) | |
13 | * | |
14 | * CSB5: `Champion South Bridge' IDE Interface (fn 1) | |
15 | * all revisions support UDMA mode 4 (66 MB/s) | |
16 | * revision A2.0 and up support UDMA mode 5 (100 MB/s) | |
17 | * | |
18 | * *** The CSB5 does not provide ANY register *** | |
19 | * *** to detect 80-conductor cable presence. *** | |
20 | * | |
21 | * CSB6: `Champion South Bridge' IDE Interface (optional: third channel) | |
22 | * | |
84f57fbc NS |
23 | * HT1000: AKA BCM5785 - Hypertransport Southbridge for Opteron systems. IDE |
24 | * controller same as the CSB6. Single channel ATA100 only. | |
25 | * | |
1da177e4 LT |
26 | * Documentation: |
27 | * Available under NDA only. Errata info very hard to get. | |
28 | * | |
29 | */ | |
30 | ||
1da177e4 LT |
31 | #include <linux/types.h> |
32 | #include <linux/module.h> | |
33 | #include <linux/kernel.h> | |
1da177e4 LT |
34 | #include <linux/pci.h> |
35 | #include <linux/hdreg.h> | |
36 | #include <linux/ide.h> | |
37 | #include <linux/init.h> | |
1da177e4 LT |
38 | |
39 | #include <asm/io.h> | |
40 | ||
ced3ec8a BZ |
41 | #define DRV_NAME "serverworks" |
42 | ||
1da177e4 LT |
43 | #define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ |
44 | #define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ | |
45 | ||
46 | /* Seagate Barracuda ATA IV Family drives in UDMA mode 5 | |
47 | * can overrun their FIFOs when used with the CSB5 */ | |
48 | static const char *svwks_bad_ata100[] = { | |
49 | "ST320011A", | |
50 | "ST340016A", | |
51 | "ST360021A", | |
52 | "ST380021A", | |
53 | NULL | |
54 | }; | |
55 | ||
1da177e4 LT |
56 | static struct pci_dev *isa_dev; |
57 | ||
58 | static int check_in_drive_lists (ide_drive_t *drive, const char **list) | |
59 | { | |
4dde4492 BZ |
60 | char *m = (char *)&drive->id[ATA_ID_PROD]; |
61 | ||
1da177e4 | 62 | while (*list) |
4dde4492 | 63 | if (!strcmp(*list++, m)) |
1da177e4 LT |
64 | return 1; |
65 | return 0; | |
66 | } | |
67 | ||
2d5eaa6d | 68 | static u8 svwks_udma_filter(ide_drive_t *drive) |
1da177e4 | 69 | { |
36501650 | 70 | struct pci_dev *dev = to_pci_dev(drive->hwif->dev); |
2d5eaa6d | 71 | u8 mask = 0; |
1da177e4 | 72 | |
84f57fbc | 73 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) |
2d5eaa6d | 74 | return 0x1f; |
1da177e4 LT |
75 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { |
76 | u32 reg = 0; | |
77 | if (isa_dev) | |
78 | pci_read_config_dword(isa_dev, 0x64, ®); | |
79 | ||
80 | /* | |
81 | * Don't enable UDMA on disk devices for the moment | |
82 | */ | |
83 | if(drive->media == ide_disk) | |
84 | return 0; | |
85 | /* Check the OSB4 DMA33 enable bit */ | |
2d5eaa6d | 86 | return ((reg & 0x00004000) == 0x00004000) ? 0x07 : 0; |
44c10138 | 87 | } else if (dev->revision < SVWKS_CSB5_REVISION_NEW) { |
2d5eaa6d | 88 | return 0x07; |
44c10138 | 89 | } else if (dev->revision >= SVWKS_CSB5_REVISION_NEW) { |
2d5eaa6d | 90 | u8 btr = 0, mode; |
1da177e4 LT |
91 | pci_read_config_byte(dev, 0x5A, &btr); |
92 | mode = btr & 0x3; | |
2d5eaa6d | 93 | |
1da177e4 LT |
94 | /* If someone decides to do UDMA133 on CSB5 the same |
95 | issue will bite so be inclusive */ | |
96 | if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100)) | |
97 | mode = 2; | |
2d5eaa6d BZ |
98 | |
99 | switch(mode) { | |
0c824b51 | 100 | case 3: mask = 0x3f; break; |
2d5eaa6d BZ |
101 | case 2: mask = 0x1f; break; |
102 | case 1: mask = 0x07; break; | |
103 | default: mask = 0x00; break; | |
104 | } | |
1da177e4 LT |
105 | } |
106 | if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || | |
107 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) && | |
108 | (!(PCI_FUNC(dev->devfn) & 1))) | |
2d5eaa6d BZ |
109 | mask = 0x1f; |
110 | ||
111 | return mask; | |
1da177e4 LT |
112 | } |
113 | ||
114 | static u8 svwks_csb_check (struct pci_dev *dev) | |
115 | { | |
116 | switch (dev->device) { | |
117 | case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: | |
118 | case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: | |
119 | case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: | |
84f57fbc | 120 | case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: |
1da177e4 LT |
121 | return 1; |
122 | default: | |
123 | break; | |
124 | } | |
125 | return 0; | |
126 | } | |
1880a8d7 | 127 | |
88b2b32b | 128 | static void svwks_set_pio_mode(ide_drive_t *drive, const u8 pio) |
1880a8d7 BZ |
129 | { |
130 | static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 }; | |
131 | static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 }; | |
132 | ||
36501650 | 133 | struct pci_dev *dev = to_pci_dev(drive->hwif->dev); |
1880a8d7 BZ |
134 | |
135 | pci_write_config_byte(dev, drive_pci[drive->dn], pio_modes[pio]); | |
136 | ||
137 | if (svwks_csb_check(dev)) { | |
138 | u16 csb_pio = 0; | |
139 | ||
140 | pci_read_config_word(dev, 0x4a, &csb_pio); | |
141 | ||
142 | csb_pio &= ~(0x0f << (4 * drive->dn)); | |
143 | csb_pio |= (pio << (4 * drive->dn)); | |
144 | ||
145 | pci_write_config_word(dev, 0x4a, csb_pio); | |
146 | } | |
147 | } | |
148 | ||
88b2b32b | 149 | static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed) |
1da177e4 | 150 | { |
f201f504 AC |
151 | static const u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 }; |
152 | static const u8 dma_modes[] = { 0x77, 0x21, 0x20 }; | |
f201f504 | 153 | static const u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 }; |
1da177e4 LT |
154 | |
155 | ide_hwif_t *hwif = HWIF(drive); | |
36501650 | 156 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
1da177e4 | 157 | u8 unit = (drive->select.b.unit & 0x01); |
1880a8d7 BZ |
158 | |
159 | u8 ultra_enable = 0, ultra_timing = 0, dma_timing = 0; | |
160 | ||
1da177e4 | 161 | pci_read_config_byte(dev, (0x56|hwif->channel), &ultra_timing); |
1da177e4 LT |
162 | pci_read_config_byte(dev, 0x54, &ultra_enable); |
163 | ||
1da177e4 LT |
164 | ultra_timing &= ~(0x0F << (4*unit)); |
165 | ultra_enable &= ~(0x01 << drive->dn); | |
1da177e4 | 166 | |
7b971df1 BZ |
167 | if (speed >= XFER_UDMA_0) { |
168 | dma_timing |= dma_modes[2]; | |
169 | ultra_timing |= (udma_modes[speed - XFER_UDMA_0] << (4 * unit)); | |
170 | ultra_enable |= (0x01 << drive->dn); | |
171 | } else if (speed >= XFER_MW_DMA_0) | |
172 | dma_timing |= dma_modes[speed - XFER_MW_DMA_0]; | |
1da177e4 | 173 | |
1da177e4 LT |
174 | pci_write_config_byte(dev, drive_pci2[drive->dn], dma_timing); |
175 | pci_write_config_byte(dev, (0x56|hwif->channel), ultra_timing); | |
176 | pci_write_config_byte(dev, 0x54, ultra_enable); | |
1da177e4 LT |
177 | } |
178 | ||
a326b02b | 179 | static unsigned int __devinit init_chipset_svwks(struct pci_dev *dev) |
1da177e4 LT |
180 | { |
181 | unsigned int reg; | |
182 | u8 btr; | |
183 | ||
1da177e4 LT |
184 | /* force Master Latency Timer value to 64 PCICLKs */ |
185 | pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x40); | |
186 | ||
187 | /* OSB4 : South Bridge and IDE */ | |
188 | if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) { | |
970a6136 | 189 | isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
1da177e4 LT |
190 | PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL); |
191 | if (isa_dev) { | |
192 | pci_read_config_dword(isa_dev, 0x64, ®); | |
193 | reg &= ~0x00002000; /* disable 600ns interrupt mask */ | |
194 | if(!(reg & 0x00004000)) | |
a326b02b BZ |
195 | printk(KERN_DEBUG DRV_NAME " %s: UDMA not BIOS " |
196 | "enabled.\n", pci_name(dev)); | |
1da177e4 LT |
197 | reg |= 0x00004000; /* enable UDMA/33 support */ |
198 | pci_write_config_dword(isa_dev, 0x64, reg); | |
199 | } | |
200 | } | |
201 | ||
202 | /* setup CSB5/CSB6 : South Bridge and IDE option RAID */ | |
203 | else if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) || | |
204 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || | |
205 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { | |
206 | ||
207 | /* Third Channel Test */ | |
208 | if (!(PCI_FUNC(dev->devfn) & 1)) { | |
209 | struct pci_dev * findev = NULL; | |
210 | u32 reg4c = 0; | |
970a6136 | 211 | findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
1da177e4 LT |
212 | PCI_DEVICE_ID_SERVERWORKS_CSB5, NULL); |
213 | if (findev) { | |
214 | pci_read_config_dword(findev, 0x4C, ®4c); | |
215 | reg4c &= ~0x000007FF; | |
216 | reg4c |= 0x00000040; | |
217 | reg4c |= 0x00000020; | |
218 | pci_write_config_dword(findev, 0x4C, reg4c); | |
970a6136 | 219 | pci_dev_put(findev); |
1da177e4 LT |
220 | } |
221 | outb_p(0x06, 0x0c00); | |
222 | dev->irq = inb_p(0x0c01); | |
1da177e4 LT |
223 | } else { |
224 | struct pci_dev * findev = NULL; | |
225 | u8 reg41 = 0; | |
226 | ||
970a6136 | 227 | findev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
1da177e4 LT |
228 | PCI_DEVICE_ID_SERVERWORKS_CSB6, NULL); |
229 | if (findev) { | |
230 | pci_read_config_byte(findev, 0x41, ®41); | |
231 | reg41 &= ~0x40; | |
232 | pci_write_config_byte(findev, 0x41, reg41); | |
970a6136 | 233 | pci_dev_put(findev); |
1da177e4 LT |
234 | } |
235 | /* | |
236 | * This is a device pin issue on CSB6. | |
237 | * Since there will be a future raid mode, | |
238 | * early versions of the chipset require the | |
239 | * interrupt pin to be set, and it is a compatibility | |
240 | * mode issue. | |
241 | */ | |
242 | if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) | |
243 | dev->irq = 0; | |
244 | } | |
245 | // pci_read_config_dword(dev, 0x40, &pioreg) | |
246 | // pci_write_config_dword(dev, 0x40, 0x99999999); | |
247 | // pci_read_config_dword(dev, 0x44, &dmareg); | |
248 | // pci_write_config_dword(dev, 0x44, 0xFFFFFFFF); | |
249 | /* setup the UDMA Control register | |
250 | * | |
251 | * 1. clear bit 6 to enable DMA | |
252 | * 2. enable DMA modes with bits 0-1 | |
253 | * 00 : legacy | |
254 | * 01 : udma2 | |
255 | * 10 : udma2/udma4 | |
256 | * 11 : udma2/udma4/udma5 | |
257 | */ | |
258 | pci_read_config_byte(dev, 0x5A, &btr); | |
259 | btr &= ~0x40; | |
260 | if (!(PCI_FUNC(dev->devfn) & 1)) | |
261 | btr |= 0x2; | |
262 | else | |
44c10138 | 263 | btr |= (dev->revision >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2; |
1da177e4 LT |
264 | pci_write_config_byte(dev, 0x5A, btr); |
265 | } | |
84f57fbc NS |
266 | /* Setup HT1000 SouthBridge Controller - Single Channel Only */ |
267 | else if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) { | |
268 | pci_read_config_byte(dev, 0x5A, &btr); | |
269 | btr &= ~0x40; | |
270 | btr |= 0x3; | |
271 | pci_write_config_byte(dev, 0x5A, btr); | |
272 | } | |
1da177e4 | 273 | |
f201f504 | 274 | return dev->irq; |
1da177e4 LT |
275 | } |
276 | ||
f454cbe8 | 277 | static u8 ata66_svwks_svwks(ide_hwif_t *hwif) |
1da177e4 | 278 | { |
49521f97 | 279 | return ATA_CBL_PATA80; |
1da177e4 LT |
280 | } |
281 | ||
282 | /* On Dell PowerEdge servers with a CSB5/CSB6, the top two bits | |
283 | * of the subsystem device ID indicate presence of an 80-pin cable. | |
284 | * Bit 15 clear = secondary IDE channel does not have 80-pin cable. | |
285 | * Bit 15 set = secondary IDE channel has 80-pin cable. | |
286 | * Bit 14 clear = primary IDE channel does not have 80-pin cable. | |
287 | * Bit 14 set = primary IDE channel has 80-pin cable. | |
288 | */ | |
f454cbe8 | 289 | static u8 ata66_svwks_dell(ide_hwif_t *hwif) |
1da177e4 | 290 | { |
36501650 BZ |
291 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
292 | ||
1da177e4 LT |
293 | if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL && |
294 | dev->vendor == PCI_VENDOR_ID_SERVERWORKS && | |
295 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE || | |
296 | dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE)) | |
297 | return ((1 << (hwif->channel + 14)) & | |
49521f97 BZ |
298 | dev->subsystem_device) ? ATA_CBL_PATA80 : ATA_CBL_PATA40; |
299 | return ATA_CBL_PATA40; | |
1da177e4 LT |
300 | } |
301 | ||
302 | /* Sun Cobalt Alpine hardware avoids the 80-pin cable | |
303 | * detect issue by attaching the drives directly to the board. | |
304 | * This check follows the Dell precedent (how scary is that?!) | |
305 | * | |
306 | * WARNING: this only works on Alpine hardware! | |
307 | */ | |
f454cbe8 | 308 | static u8 ata66_svwks_cobalt(ide_hwif_t *hwif) |
1da177e4 | 309 | { |
36501650 BZ |
310 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
311 | ||
1da177e4 LT |
312 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN && |
313 | dev->vendor == PCI_VENDOR_ID_SERVERWORKS && | |
314 | dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) | |
315 | return ((1 << (hwif->channel + 14)) & | |
49521f97 BZ |
316 | dev->subsystem_device) ? ATA_CBL_PATA80 : ATA_CBL_PATA40; |
317 | return ATA_CBL_PATA40; | |
1da177e4 LT |
318 | } |
319 | ||
f454cbe8 | 320 | static u8 svwks_cable_detect(ide_hwif_t *hwif) |
1da177e4 | 321 | { |
36501650 | 322 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
1da177e4 | 323 | |
1da177e4 LT |
324 | /* Server Works */ |
325 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS) | |
326 | return ata66_svwks_svwks (hwif); | |
327 | ||
328 | /* Dell PowerEdge */ | |
329 | if (dev->subsystem_vendor == PCI_VENDOR_ID_DELL) | |
330 | return ata66_svwks_dell (hwif); | |
331 | ||
332 | /* Cobalt Alpine */ | |
333 | if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN) | |
334 | return ata66_svwks_cobalt (hwif); | |
335 | ||
f201f504 AC |
336 | /* Per Specified Design by OEM, and ASIC Architect */ |
337 | if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || | |
338 | (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) | |
49521f97 | 339 | return ATA_CBL_PATA80; |
f201f504 | 340 | |
49521f97 | 341 | return ATA_CBL_PATA40; |
1da177e4 LT |
342 | } |
343 | ||
ac95beed BZ |
344 | static const struct ide_port_ops osb4_port_ops = { |
345 | .set_pio_mode = svwks_set_pio_mode, | |
346 | .set_dma_mode = svwks_set_dma_mode, | |
347 | .udma_filter = svwks_udma_filter, | |
348 | }; | |
1da177e4 | 349 | |
ac95beed BZ |
350 | static const struct ide_port_ops svwks_port_ops = { |
351 | .set_pio_mode = svwks_set_pio_mode, | |
352 | .set_dma_mode = svwks_set_dma_mode, | |
353 | .udma_filter = svwks_udma_filter, | |
354 | .cable_detect = svwks_cable_detect, | |
355 | }; | |
1da177e4 | 356 | |
3b2a5c71 | 357 | #define IDE_HFLAGS_SVWKS IDE_HFLAG_LEGACY_IRQS |
4db90a14 | 358 | |
85620436 | 359 | static const struct ide_port_info serverworks_chipsets[] __devinitdata = { |
ced3ec8a BZ |
360 | { /* 0: OSB4 */ |
361 | .name = DRV_NAME, | |
1da177e4 | 362 | .init_chipset = init_chipset_svwks, |
ac95beed | 363 | .port_ops = &osb4_port_ops, |
4db90a14 | 364 | .host_flags = IDE_HFLAGS_SVWKS, |
4099d143 | 365 | .pio_mask = ATA_PIO4, |
5f8b6c34 BZ |
366 | .mwdma_mask = ATA_MWDMA2, |
367 | .udma_mask = 0x00, /* UDMA is problematic on OSB4 */ | |
ced3ec8a BZ |
368 | }, |
369 | { /* 1: CSB5 */ | |
370 | .name = DRV_NAME, | |
1da177e4 | 371 | .init_chipset = init_chipset_svwks, |
ac95beed | 372 | .port_ops = &svwks_port_ops, |
4db90a14 | 373 | .host_flags = IDE_HFLAGS_SVWKS, |
4099d143 | 374 | .pio_mask = ATA_PIO4, |
5f8b6c34 BZ |
375 | .mwdma_mask = ATA_MWDMA2, |
376 | .udma_mask = ATA_UDMA5, | |
ced3ec8a BZ |
377 | }, |
378 | { /* 2: CSB6 */ | |
379 | .name = DRV_NAME, | |
1da177e4 | 380 | .init_chipset = init_chipset_svwks, |
ac95beed | 381 | .port_ops = &svwks_port_ops, |
4db90a14 | 382 | .host_flags = IDE_HFLAGS_SVWKS, |
4099d143 | 383 | .pio_mask = ATA_PIO4, |
5f8b6c34 BZ |
384 | .mwdma_mask = ATA_MWDMA2, |
385 | .udma_mask = ATA_UDMA5, | |
ced3ec8a BZ |
386 | }, |
387 | { /* 3: CSB6-2 */ | |
388 | .name = DRV_NAME, | |
1da177e4 | 389 | .init_chipset = init_chipset_svwks, |
ac95beed | 390 | .port_ops = &svwks_port_ops, |
4db90a14 | 391 | .host_flags = IDE_HFLAGS_SVWKS | IDE_HFLAG_SINGLE, |
4099d143 | 392 | .pio_mask = ATA_PIO4, |
5f8b6c34 BZ |
393 | .mwdma_mask = ATA_MWDMA2, |
394 | .udma_mask = ATA_UDMA5, | |
ced3ec8a BZ |
395 | }, |
396 | { /* 4: HT1000 */ | |
397 | .name = DRV_NAME, | |
84f57fbc | 398 | .init_chipset = init_chipset_svwks, |
ac95beed | 399 | .port_ops = &svwks_port_ops, |
4db90a14 | 400 | .host_flags = IDE_HFLAGS_SVWKS | IDE_HFLAG_SINGLE, |
4099d143 | 401 | .pio_mask = ATA_PIO4, |
5f8b6c34 BZ |
402 | .mwdma_mask = ATA_MWDMA2, |
403 | .udma_mask = ATA_UDMA5, | |
1da177e4 LT |
404 | } |
405 | }; | |
406 | ||
407 | /** | |
408 | * svwks_init_one - called when a OSB/CSB is found | |
409 | * @dev: the svwks device | |
410 | * @id: the matching pci id | |
411 | * | |
412 | * Called when the PCI registration layer (or the IDE initialization) | |
413 | * finds a device matching our IDE device tables. | |
414 | */ | |
415 | ||
416 | static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device_id *id) | |
417 | { | |
039788e1 | 418 | struct ide_port_info d; |
7ed58297 BZ |
419 | u8 idx = id->driver_data; |
420 | ||
421 | d = serverworks_chipsets[idx]; | |
422 | ||
8ac2b42a BZ |
423 | if (idx == 1) |
424 | d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX; | |
425 | else if (idx == 2 || idx == 3) { | |
7ed58297 BZ |
426 | if ((PCI_FUNC(dev->devfn) & 1) == 0) { |
427 | if (pci_resource_start(dev, 0) != 0x01f1) | |
5e71d9c5 | 428 | d.host_flags |= IDE_HFLAG_NON_BOOTABLE; |
7ed58297 BZ |
429 | d.host_flags |= IDE_HFLAG_SINGLE; |
430 | } else | |
431 | d.host_flags &= ~IDE_HFLAG_SINGLE; | |
432 | } | |
1da177e4 | 433 | |
6cdf6eb3 | 434 | return ide_pci_init_one(dev, &d, NULL); |
1da177e4 LT |
435 | } |
436 | ||
9cbcc5e3 BZ |
437 | static const struct pci_device_id svwks_pci_tbl[] = { |
438 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0 }, | |
439 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1 }, | |
440 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2 }, | |
441 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3 }, | |
442 | { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4 }, | |
1da177e4 LT |
443 | { 0, }, |
444 | }; | |
445 | MODULE_DEVICE_TABLE(pci, svwks_pci_tbl); | |
446 | ||
447 | static struct pci_driver driver = { | |
448 | .name = "Serverworks_IDE", | |
449 | .id_table = svwks_pci_tbl, | |
450 | .probe = svwks_init_one, | |
bc2c9a80 | 451 | .remove = ide_pci_remove, |
1da177e4 LT |
452 | }; |
453 | ||
82ab1eec | 454 | static int __init svwks_ide_init(void) |
1da177e4 LT |
455 | { |
456 | return ide_pci_register_driver(&driver); | |
457 | } | |
458 | ||
bc2c9a80 BZ |
459 | static void __exit svwks_ide_exit(void) |
460 | { | |
461 | pci_unregister_driver(&driver); | |
462 | } | |
463 | ||
1da177e4 | 464 | module_init(svwks_ide_init); |
bc2c9a80 | 465 | module_exit(svwks_ide_exit); |
1da177e4 LT |
466 | |
467 | MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick"); | |
468 | MODULE_DESCRIPTION("PCI driver module for Serverworks OSB4/CSB5/CSB6 IDE"); | |
469 | MODULE_LICENSE("GPL"); |