]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * AMD K7 AGPGART routines. | |
3 | */ | |
4 | ||
5 | #include <linux/module.h> | |
6 | #include <linux/pci.h> | |
7 | #include <linux/init.h> | |
8 | #include <linux/agp_backend.h> | |
1da177e4 LT |
9 | #include <linux/page-flags.h> |
10 | #include <linux/mm.h> | |
5a0e3ad6 | 11 | #include <linux/slab.h> |
1da177e4 LT |
12 | #include "agp.h" |
13 | ||
14 | #define AMD_MMBASE 0x14 | |
15 | #define AMD_APSIZE 0xac | |
16 | #define AMD_MODECNTL 0xb0 | |
17 | #define AMD_MODECNTL2 0xb2 | |
18 | #define AMD_GARTENABLE 0x02 /* In mmio region (16-bit register) */ | |
19 | #define AMD_ATTBASE 0x04 /* In mmio region (32-bit register) */ | |
20 | #define AMD_TLBFLUSH 0x0c /* In mmio region (32-bit register) */ | |
21 | #define AMD_CACHEENTRY 0x10 /* In mmio region (32-bit register) */ | |
22 | ||
23 | static struct pci_device_id agp_amdk7_pci_table[]; | |
24 | ||
25 | struct amd_page_map { | |
26 | unsigned long *real; | |
27 | unsigned long __iomem *remapped; | |
28 | }; | |
29 | ||
30 | static struct _amd_irongate_private { | |
31 | volatile u8 __iomem *registers; | |
32 | struct amd_page_map **gatt_pages; | |
33 | int num_tables; | |
34 | } amd_irongate_private; | |
35 | ||
36 | static int amd_create_page_map(struct amd_page_map *page_map) | |
37 | { | |
38 | int i; | |
39 | ||
40 | page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); | |
41 | if (page_map->real == NULL) | |
42 | return -ENOMEM; | |
43 | ||
fcea424d | 44 | #ifndef CONFIG_X86 |
1da177e4 LT |
45 | SetPageReserved(virt_to_page(page_map->real)); |
46 | global_cache_flush(); | |
6a12235c | 47 | page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real), |
1da177e4 LT |
48 | PAGE_SIZE); |
49 | if (page_map->remapped == NULL) { | |
50 | ClearPageReserved(virt_to_page(page_map->real)); | |
51 | free_page((unsigned long) page_map->real); | |
52 | page_map->real = NULL; | |
53 | return -ENOMEM; | |
54 | } | |
55 | global_cache_flush(); | |
fcea424d | 56 | #else |
44a207fc | 57 | set_memory_uc((unsigned long)page_map->real, 1); |
fcea424d AV |
58 | page_map->remapped = page_map->real; |
59 | #endif | |
1da177e4 LT |
60 | |
61 | for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { | |
62 | writel(agp_bridge->scratch_page, page_map->remapped+i); | |
63 | readl(page_map->remapped+i); /* PCI Posting. */ | |
64 | } | |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | static void amd_free_page_map(struct amd_page_map *page_map) | |
70 | { | |
fcea424d | 71 | #ifndef CONFIG_X86 |
1da177e4 LT |
72 | iounmap(page_map->remapped); |
73 | ClearPageReserved(virt_to_page(page_map->real)); | |
fcea424d | 74 | #else |
44a207fc | 75 | set_memory_wb((unsigned long)page_map->real, 1); |
fcea424d | 76 | #endif |
1da177e4 LT |
77 | free_page((unsigned long) page_map->real); |
78 | } | |
79 | ||
80 | static void amd_free_gatt_pages(void) | |
81 | { | |
82 | int i; | |
83 | struct amd_page_map **tables; | |
84 | struct amd_page_map *entry; | |
85 | ||
86 | tables = amd_irongate_private.gatt_pages; | |
87 | for (i = 0; i < amd_irongate_private.num_tables; i++) { | |
88 | entry = tables[i]; | |
89 | if (entry != NULL) { | |
90 | if (entry->real != NULL) | |
91 | amd_free_page_map(entry); | |
92 | kfree(entry); | |
93 | } | |
94 | } | |
95 | kfree(tables); | |
96 | amd_irongate_private.gatt_pages = NULL; | |
97 | } | |
98 | ||
99 | static int amd_create_gatt_pages(int nr_tables) | |
100 | { | |
101 | struct amd_page_map **tables; | |
102 | struct amd_page_map *entry; | |
103 | int retval = 0; | |
104 | int i; | |
105 | ||
0ea27d9f | 106 | tables = kzalloc((nr_tables + 1) * sizeof(struct amd_page_map *),GFP_KERNEL); |
1da177e4 LT |
107 | if (tables == NULL) |
108 | return -ENOMEM; | |
109 | ||
1da177e4 | 110 | for (i = 0; i < nr_tables; i++) { |
0ea27d9f | 111 | entry = kzalloc(sizeof(struct amd_page_map), GFP_KERNEL); |
bdc3e603 | 112 | tables[i] = entry; |
1da177e4 LT |
113 | if (entry == NULL) { |
114 | retval = -ENOMEM; | |
115 | break; | |
116 | } | |
1da177e4 LT |
117 | retval = amd_create_page_map(entry); |
118 | if (retval != 0) | |
119 | break; | |
120 | } | |
bdc3e603 | 121 | amd_irongate_private.num_tables = i; |
1da177e4 LT |
122 | amd_irongate_private.gatt_pages = tables; |
123 | ||
124 | if (retval != 0) | |
125 | amd_free_gatt_pages(); | |
126 | ||
127 | return retval; | |
128 | } | |
129 | ||
d6e05edc | 130 | /* Since we don't need contiguous memory we just try |
1da177e4 LT |
131 | * to get the gatt table once |
132 | */ | |
133 | ||
134 | #define GET_PAGE_DIR_OFF(addr) (addr >> 22) | |
135 | #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \ | |
136 | GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr)) | |
137 | #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) | |
138 | #define GET_GATT(addr) (amd_irongate_private.gatt_pages[\ | |
139 | GET_PAGE_DIR_IDX(addr)]->remapped) | |
140 | ||
141 | static int amd_create_gatt_table(struct agp_bridge_data *bridge) | |
142 | { | |
143 | struct aper_size_info_lvl2 *value; | |
144 | struct amd_page_map page_dir; | |
145 | unsigned long addr; | |
146 | int retval; | |
147 | u32 temp; | |
148 | int i; | |
149 | ||
150 | value = A_SIZE_LVL2(agp_bridge->current_size); | |
151 | retval = amd_create_page_map(&page_dir); | |
152 | if (retval != 0) | |
153 | return retval; | |
154 | ||
155 | retval = amd_create_gatt_pages(value->num_entries / 1024); | |
156 | if (retval != 0) { | |
157 | amd_free_page_map(&page_dir); | |
158 | return retval; | |
159 | } | |
160 | ||
161 | agp_bridge->gatt_table_real = (u32 *)page_dir.real; | |
162 | agp_bridge->gatt_table = (u32 __iomem *)page_dir.remapped; | |
6a12235c | 163 | agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real); |
1da177e4 LT |
164 | |
165 | /* Get the address for the gart region. | |
166 | * This is a bus address even on the alpha, b/c its | |
167 | * used to program the agp master not the cpu | |
168 | */ | |
169 | ||
170 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
171 | addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
172 | agp_bridge->gart_bus_addr = addr; | |
173 | ||
174 | /* Calculate the agp offset */ | |
175 | for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) { | |
6a12235c | 176 | writel(virt_to_phys(amd_irongate_private.gatt_pages[i]->real) | 1, |
1da177e4 LT |
177 | page_dir.remapped+GET_PAGE_DIR_OFF(addr)); |
178 | readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr)); /* PCI Posting. */ | |
179 | } | |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | static int amd_free_gatt_table(struct agp_bridge_data *bridge) | |
185 | { | |
186 | struct amd_page_map page_dir; | |
187 | ||
188 | page_dir.real = (unsigned long *)agp_bridge->gatt_table_real; | |
189 | page_dir.remapped = (unsigned long __iomem *)agp_bridge->gatt_table; | |
190 | ||
191 | amd_free_gatt_pages(); | |
192 | amd_free_page_map(&page_dir); | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static int amd_irongate_fetch_size(void) | |
197 | { | |
198 | int i; | |
199 | u32 temp; | |
200 | struct aper_size_info_lvl2 *values; | |
201 | ||
202 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
203 | temp = (temp & 0x0000000e); | |
204 | values = A_SIZE_LVL2(agp_bridge->driver->aperture_sizes); | |
205 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
206 | if (temp == values[i].size_value) { | |
207 | agp_bridge->previous_size = | |
208 | agp_bridge->current_size = (void *) (values + i); | |
209 | ||
210 | agp_bridge->aperture_size_idx = i; | |
211 | return values[i].size; | |
212 | } | |
213 | } | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
218 | static int amd_irongate_configure(void) | |
219 | { | |
220 | struct aper_size_info_lvl2 *current_size; | |
221 | u32 temp; | |
222 | u16 enable_reg; | |
223 | ||
224 | current_size = A_SIZE_LVL2(agp_bridge->current_size); | |
225 | ||
2a32c3c8 SB |
226 | if (!amd_irongate_private.registers) { |
227 | /* Get the memory mapped registers */ | |
228 | pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp); | |
229 | temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
230 | amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); | |
231 | if (!amd_irongate_private.registers) | |
232 | return -ENOMEM; | |
233 | } | |
1da177e4 LT |
234 | |
235 | /* Write out the address of the gatt table */ | |
236 | writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE); | |
237 | readl(amd_irongate_private.registers+AMD_ATTBASE); /* PCI Posting. */ | |
238 | ||
239 | /* Write the Sync register */ | |
240 | pci_write_config_byte(agp_bridge->dev, AMD_MODECNTL, 0x80); | |
241 | ||
242 | /* Set indexing mode */ | |
243 | pci_write_config_byte(agp_bridge->dev, AMD_MODECNTL2, 0x00); | |
244 | ||
245 | /* Write the enable register */ | |
246 | enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE); | |
247 | enable_reg = (enable_reg | 0x0004); | |
248 | writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE); | |
249 | readw(amd_irongate_private.registers+AMD_GARTENABLE); /* PCI Posting. */ | |
250 | ||
251 | /* Write out the size register */ | |
252 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
253 | temp = (((temp & ~(0x0000000e)) | current_size->size_value) | 1); | |
254 | pci_write_config_dword(agp_bridge->dev, AMD_APSIZE, temp); | |
255 | ||
256 | /* Flush the tlb */ | |
257 | writel(1, amd_irongate_private.registers+AMD_TLBFLUSH); | |
258 | readl(amd_irongate_private.registers+AMD_TLBFLUSH); /* PCI Posting.*/ | |
259 | return 0; | |
260 | } | |
261 | ||
262 | static void amd_irongate_cleanup(void) | |
263 | { | |
264 | struct aper_size_info_lvl2 *previous_size; | |
265 | u32 temp; | |
266 | u16 enable_reg; | |
267 | ||
268 | previous_size = A_SIZE_LVL2(agp_bridge->previous_size); | |
269 | ||
270 | enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE); | |
271 | enable_reg = (enable_reg & ~(0x0004)); | |
272 | writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE); | |
273 | readw(amd_irongate_private.registers+AMD_GARTENABLE); /* PCI Posting. */ | |
274 | ||
275 | /* Write back the previous size and disable gart translation */ | |
276 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
277 | temp = ((temp & ~(0x0000000f)) | previous_size->size_value); | |
278 | pci_write_config_dword(agp_bridge->dev, AMD_APSIZE, temp); | |
279 | iounmap((void __iomem *) amd_irongate_private.registers); | |
280 | } | |
281 | ||
282 | /* | |
283 | * This routine could be implemented by taking the addresses | |
284 | * written to the GATT, and flushing them individually. However | |
285 | * currently it just flushes the whole table. Which is probably | |
286 | * more efficent, since agp_memory blocks can be a large number of | |
287 | * entries. | |
288 | */ | |
289 | ||
290 | static void amd_irongate_tlbflush(struct agp_memory *temp) | |
291 | { | |
292 | writel(1, amd_irongate_private.registers+AMD_TLBFLUSH); | |
293 | readl(amd_irongate_private.registers+AMD_TLBFLUSH); /* PCI Posting. */ | |
294 | } | |
295 | ||
296 | static int amd_insert_memory(struct agp_memory *mem, off_t pg_start, int type) | |
297 | { | |
298 | int i, j, num_entries; | |
299 | unsigned long __iomem *cur_gatt; | |
300 | unsigned long addr; | |
301 | ||
302 | num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; | |
303 | ||
304 | if (type != 0 || mem->type != 0) | |
305 | return -EINVAL; | |
306 | ||
307 | if ((pg_start + mem->page_count) > num_entries) | |
308 | return -EINVAL; | |
309 | ||
310 | j = pg_start; | |
311 | while (j < (pg_start + mem->page_count)) { | |
312 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
313 | cur_gatt = GET_GATT(addr); | |
314 | if (!PGE_EMPTY(agp_bridge, readl(cur_gatt+GET_GATT_OFF(addr)))) | |
315 | return -EBUSY; | |
316 | j++; | |
317 | } | |
318 | ||
c7258012 | 319 | if (!mem->is_flushed) { |
1da177e4 | 320 | global_cache_flush(); |
c7258012 | 321 | mem->is_flushed = true; |
1da177e4 LT |
322 | } |
323 | ||
324 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
325 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
326 | cur_gatt = GET_GATT(addr); | |
327 | writel(agp_generic_mask_memory(agp_bridge, | |
6a12235c | 328 | page_to_phys(mem->pages[i]), |
2a4ceb6d DW |
329 | mem->type), |
330 | cur_gatt+GET_GATT_OFF(addr)); | |
1da177e4 LT |
331 | readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */ |
332 | } | |
333 | amd_irongate_tlbflush(mem); | |
334 | return 0; | |
335 | } | |
336 | ||
337 | static int amd_remove_memory(struct agp_memory *mem, off_t pg_start, int type) | |
338 | { | |
339 | int i; | |
340 | unsigned long __iomem *cur_gatt; | |
341 | unsigned long addr; | |
342 | ||
343 | if (type != 0 || mem->type != 0) | |
344 | return -EINVAL; | |
345 | ||
346 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { | |
347 | addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
348 | cur_gatt = GET_GATT(addr); | |
349 | writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); | |
350 | readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */ | |
351 | } | |
352 | ||
353 | amd_irongate_tlbflush(mem); | |
354 | return 0; | |
355 | } | |
356 | ||
e5524f35 | 357 | static const struct aper_size_info_lvl2 amd_irongate_sizes[7] = |
1da177e4 LT |
358 | { |
359 | {2048, 524288, 0x0000000c}, | |
360 | {1024, 262144, 0x0000000a}, | |
361 | {512, 131072, 0x00000008}, | |
362 | {256, 65536, 0x00000006}, | |
363 | {128, 32768, 0x00000004}, | |
364 | {64, 16384, 0x00000002}, | |
365 | {32, 8192, 0x00000000} | |
366 | }; | |
367 | ||
e5524f35 | 368 | static const struct gatt_mask amd_irongate_masks[] = |
1da177e4 LT |
369 | { |
370 | {.mask = 1, .type = 0} | |
371 | }; | |
372 | ||
e5524f35 | 373 | static const struct agp_bridge_driver amd_irongate_driver = { |
1da177e4 LT |
374 | .owner = THIS_MODULE, |
375 | .aperture_sizes = amd_irongate_sizes, | |
376 | .size_type = LVL2_APER_SIZE, | |
377 | .num_aperture_sizes = 7, | |
378 | .configure = amd_irongate_configure, | |
379 | .fetch_size = amd_irongate_fetch_size, | |
380 | .cleanup = amd_irongate_cleanup, | |
381 | .tlb_flush = amd_irongate_tlbflush, | |
382 | .mask_memory = agp_generic_mask_memory, | |
383 | .masks = amd_irongate_masks, | |
384 | .agp_enable = agp_generic_enable, | |
385 | .cache_flush = global_cache_flush, | |
386 | .create_gatt_table = amd_create_gatt_table, | |
387 | .free_gatt_table = amd_free_gatt_table, | |
388 | .insert_memory = amd_insert_memory, | |
389 | .remove_memory = amd_remove_memory, | |
390 | .alloc_by_type = agp_generic_alloc_by_type, | |
391 | .free_by_type = agp_generic_free_by_type, | |
392 | .agp_alloc_page = agp_generic_alloc_page, | |
5f310b63 | 393 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 394 | .agp_destroy_page = agp_generic_destroy_page, |
5f310b63 | 395 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 396 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
397 | }; |
398 | ||
399 | static struct agp_device_ids amd_agp_device_ids[] __devinitdata = | |
400 | { | |
401 | { | |
402 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_7006, | |
403 | .chipset_name = "Irongate", | |
404 | }, | |
405 | { | |
406 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_700E, | |
407 | .chipset_name = "761", | |
408 | }, | |
409 | { | |
410 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_700C, | |
411 | .chipset_name = "760MP", | |
412 | }, | |
413 | { }, /* dummy final entry, always present */ | |
414 | }; | |
415 | ||
416 | static int __devinit agp_amdk7_probe(struct pci_dev *pdev, | |
417 | const struct pci_device_id *ent) | |
418 | { | |
419 | struct agp_bridge_data *bridge; | |
420 | u8 cap_ptr; | |
421 | int j; | |
422 | ||
423 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
424 | if (!cap_ptr) | |
425 | return -ENODEV; | |
426 | ||
427 | j = ent - agp_amdk7_pci_table; | |
e3cf6951 BH |
428 | dev_info(&pdev->dev, "AMD %s chipset\n", |
429 | amd_agp_device_ids[j].chipset_name); | |
1da177e4 LT |
430 | |
431 | bridge = agp_alloc_bridge(); | |
432 | if (!bridge) | |
433 | return -ENOMEM; | |
434 | ||
435 | bridge->driver = &amd_irongate_driver; | |
436 | bridge->dev_private_data = &amd_irongate_private, | |
437 | bridge->dev = pdev; | |
438 | bridge->capndx = cap_ptr; | |
439 | ||
440 | /* 751 Errata (22564_B-1.PDF) | |
441 | erratum 20: strobe glitch with Nvidia NV10 GeForce cards. | |
442 | system controller may experience noise due to strong drive strengths | |
443 | */ | |
444 | if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_7006) { | |
1da177e4 | 445 | struct pci_dev *gfxcard=NULL; |
4ab92bcf HH |
446 | |
447 | cap_ptr = 0; | |
1da177e4 LT |
448 | while (!cap_ptr) { |
449 | gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard); | |
450 | if (!gfxcard) { | |
e3cf6951 | 451 | dev_info(&pdev->dev, "no AGP VGA controller\n"); |
1da177e4 LT |
452 | return -ENODEV; |
453 | } | |
454 | cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP); | |
1da177e4 LT |
455 | } |
456 | ||
457 | /* With so many variants of NVidia cards, it's simpler just | |
458 | to blacklist them all, and then whitelist them as needed | |
459 | (if necessary at all). */ | |
460 | if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) { | |
461 | agp_bridge->flags |= AGP_ERRATA_1X; | |
e3cf6951 | 462 | dev_info(&pdev->dev, "AMD 751 chipset with NVidia GeForce; forcing 1X due to errata\n"); |
1da177e4 LT |
463 | } |
464 | pci_dev_put(gfxcard); | |
465 | } | |
466 | ||
467 | /* 761 Errata (23613_F.pdf) | |
468 | * Revisions B0/B1 were a disaster. | |
469 | * erratum 44: SYSCLK/AGPCLK skew causes 2X failures -- Force mode to 1X | |
470 | * erratum 45: Timing problem prevents fast writes -- Disable fast write. | |
471 | * erratum 46: Setup violation on AGP SBA pins - Disable side band addressing. | |
472 | * With this lot disabled, we should prevent lockups. */ | |
473 | if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_700E) { | |
44c10138 | 474 | if (pdev->revision == 0x10 || pdev->revision == 0x11) { |
1da177e4 LT |
475 | agp_bridge->flags = AGP_ERRATA_FASTWRITES; |
476 | agp_bridge->flags |= AGP_ERRATA_SBA; | |
477 | agp_bridge->flags |= AGP_ERRATA_1X; | |
e3cf6951 | 478 | dev_info(&pdev->dev, "AMD 761 chipset with errata; disabling AGP fast writes & SBA and forcing to 1X\n"); |
1da177e4 LT |
479 | } |
480 | } | |
481 | ||
482 | /* Fill in the mode register */ | |
483 | pci_read_config_dword(pdev, | |
484 | bridge->capndx+PCI_AGP_STATUS, | |
485 | &bridge->mode); | |
486 | ||
487 | pci_set_drvdata(pdev, bridge); | |
488 | return agp_add_bridge(bridge); | |
489 | } | |
490 | ||
491 | static void __devexit agp_amdk7_remove(struct pci_dev *pdev) | |
492 | { | |
493 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
494 | ||
495 | agp_remove_bridge(bridge); | |
496 | agp_put_bridge(bridge); | |
497 | } | |
498 | ||
2a32c3c8 SB |
499 | #ifdef CONFIG_PM |
500 | ||
501 | static int agp_amdk7_suspend(struct pci_dev *pdev, pm_message_t state) | |
502 | { | |
503 | pci_save_state(pdev); | |
504 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
505 | ||
506 | return 0; | |
507 | } | |
508 | ||
509 | static int agp_amdk7_resume(struct pci_dev *pdev) | |
510 | { | |
511 | pci_set_power_state(pdev, PCI_D0); | |
512 | pci_restore_state(pdev); | |
513 | ||
514 | return amd_irongate_driver.configure(); | |
515 | } | |
516 | ||
517 | #endif /* CONFIG_PM */ | |
518 | ||
1da177e4 LT |
519 | /* must be the same order as name table above */ |
520 | static struct pci_device_id agp_amdk7_pci_table[] = { | |
521 | { | |
522 | .class = (PCI_CLASS_BRIDGE_HOST << 8), | |
523 | .class_mask = ~0, | |
524 | .vendor = PCI_VENDOR_ID_AMD, | |
525 | .device = PCI_DEVICE_ID_AMD_FE_GATE_7006, | |
526 | .subvendor = PCI_ANY_ID, | |
527 | .subdevice = PCI_ANY_ID, | |
528 | }, | |
529 | { | |
530 | .class = (PCI_CLASS_BRIDGE_HOST << 8), | |
531 | .class_mask = ~0, | |
532 | .vendor = PCI_VENDOR_ID_AMD, | |
533 | .device = PCI_DEVICE_ID_AMD_FE_GATE_700E, | |
534 | .subvendor = PCI_ANY_ID, | |
535 | .subdevice = PCI_ANY_ID, | |
536 | }, | |
537 | { | |
538 | .class = (PCI_CLASS_BRIDGE_HOST << 8), | |
539 | .class_mask = ~0, | |
540 | .vendor = PCI_VENDOR_ID_AMD, | |
541 | .device = PCI_DEVICE_ID_AMD_FE_GATE_700C, | |
542 | .subvendor = PCI_ANY_ID, | |
543 | .subdevice = PCI_ANY_ID, | |
544 | }, | |
545 | { } | |
546 | }; | |
547 | ||
548 | MODULE_DEVICE_TABLE(pci, agp_amdk7_pci_table); | |
549 | ||
550 | static struct pci_driver agp_amdk7_pci_driver = { | |
551 | .name = "agpgart-amdk7", | |
552 | .id_table = agp_amdk7_pci_table, | |
553 | .probe = agp_amdk7_probe, | |
554 | .remove = agp_amdk7_remove, | |
2a32c3c8 SB |
555 | #ifdef CONFIG_PM |
556 | .suspend = agp_amdk7_suspend, | |
557 | .resume = agp_amdk7_resume, | |
558 | #endif | |
1da177e4 LT |
559 | }; |
560 | ||
561 | static int __init agp_amdk7_init(void) | |
562 | { | |
563 | if (agp_off) | |
564 | return -EINVAL; | |
565 | return pci_register_driver(&agp_amdk7_pci_driver); | |
566 | } | |
567 | ||
568 | static void __exit agp_amdk7_cleanup(void) | |
569 | { | |
570 | pci_unregister_driver(&agp_amdk7_pci_driver); | |
571 | } | |
572 | ||
573 | module_init(agp_amdk7_init); | |
574 | module_exit(agp_amdk7_cleanup); | |
575 | ||
576 | MODULE_LICENSE("GPL and additional rights"); |