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Commit | Line | Data |
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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 | ||
44a207fc | 44 | set_memory_uc((unsigned long)page_map->real, 1); |
fcea424d | 45 | page_map->remapped = page_map->real; |
1da177e4 LT |
46 | |
47 | for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { | |
48 | writel(agp_bridge->scratch_page, page_map->remapped+i); | |
49 | readl(page_map->remapped+i); /* PCI Posting. */ | |
50 | } | |
51 | ||
52 | return 0; | |
53 | } | |
54 | ||
55 | static void amd_free_page_map(struct amd_page_map *page_map) | |
56 | { | |
44a207fc | 57 | set_memory_wb((unsigned long)page_map->real, 1); |
1da177e4 LT |
58 | free_page((unsigned long) page_map->real); |
59 | } | |
60 | ||
61 | static void amd_free_gatt_pages(void) | |
62 | { | |
63 | int i; | |
64 | struct amd_page_map **tables; | |
65 | struct amd_page_map *entry; | |
66 | ||
67 | tables = amd_irongate_private.gatt_pages; | |
68 | for (i = 0; i < amd_irongate_private.num_tables; i++) { | |
69 | entry = tables[i]; | |
70 | if (entry != NULL) { | |
71 | if (entry->real != NULL) | |
72 | amd_free_page_map(entry); | |
73 | kfree(entry); | |
74 | } | |
75 | } | |
76 | kfree(tables); | |
77 | amd_irongate_private.gatt_pages = NULL; | |
78 | } | |
79 | ||
80 | static int amd_create_gatt_pages(int nr_tables) | |
81 | { | |
82 | struct amd_page_map **tables; | |
83 | struct amd_page_map *entry; | |
84 | int retval = 0; | |
85 | int i; | |
86 | ||
0ea27d9f | 87 | tables = kzalloc((nr_tables + 1) * sizeof(struct amd_page_map *),GFP_KERNEL); |
1da177e4 LT |
88 | if (tables == NULL) |
89 | return -ENOMEM; | |
90 | ||
1da177e4 | 91 | for (i = 0; i < nr_tables; i++) { |
0ea27d9f | 92 | entry = kzalloc(sizeof(struct amd_page_map), GFP_KERNEL); |
bdc3e603 | 93 | tables[i] = entry; |
1da177e4 LT |
94 | if (entry == NULL) { |
95 | retval = -ENOMEM; | |
96 | break; | |
97 | } | |
1da177e4 LT |
98 | retval = amd_create_page_map(entry); |
99 | if (retval != 0) | |
100 | break; | |
101 | } | |
bdc3e603 | 102 | amd_irongate_private.num_tables = i; |
1da177e4 LT |
103 | amd_irongate_private.gatt_pages = tables; |
104 | ||
105 | if (retval != 0) | |
106 | amd_free_gatt_pages(); | |
107 | ||
108 | return retval; | |
109 | } | |
110 | ||
d6e05edc | 111 | /* Since we don't need contiguous memory we just try |
1da177e4 LT |
112 | * to get the gatt table once |
113 | */ | |
114 | ||
115 | #define GET_PAGE_DIR_OFF(addr) (addr >> 22) | |
116 | #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \ | |
117 | GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr)) | |
118 | #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) | |
119 | #define GET_GATT(addr) (amd_irongate_private.gatt_pages[\ | |
120 | GET_PAGE_DIR_IDX(addr)]->remapped) | |
121 | ||
122 | static int amd_create_gatt_table(struct agp_bridge_data *bridge) | |
123 | { | |
124 | struct aper_size_info_lvl2 *value; | |
125 | struct amd_page_map page_dir; | |
61cf0593 | 126 | unsigned long __iomem *cur_gatt; |
1da177e4 LT |
127 | unsigned long addr; |
128 | int retval; | |
129 | u32 temp; | |
130 | int i; | |
131 | ||
132 | value = A_SIZE_LVL2(agp_bridge->current_size); | |
133 | retval = amd_create_page_map(&page_dir); | |
134 | if (retval != 0) | |
135 | return retval; | |
136 | ||
137 | retval = amd_create_gatt_pages(value->num_entries / 1024); | |
138 | if (retval != 0) { | |
139 | amd_free_page_map(&page_dir); | |
140 | return retval; | |
141 | } | |
142 | ||
143 | agp_bridge->gatt_table_real = (u32 *)page_dir.real; | |
144 | agp_bridge->gatt_table = (u32 __iomem *)page_dir.remapped; | |
6a12235c | 145 | agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real); |
1da177e4 LT |
146 | |
147 | /* Get the address for the gart region. | |
148 | * This is a bus address even on the alpha, b/c its | |
149 | * used to program the agp master not the cpu | |
150 | */ | |
151 | ||
152 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
153 | addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
154 | agp_bridge->gart_bus_addr = addr; | |
155 | ||
156 | /* Calculate the agp offset */ | |
157 | for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) { | |
6a12235c | 158 | writel(virt_to_phys(amd_irongate_private.gatt_pages[i]->real) | 1, |
1da177e4 LT |
159 | page_dir.remapped+GET_PAGE_DIR_OFF(addr)); |
160 | readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr)); /* PCI Posting. */ | |
161 | } | |
162 | ||
61cf0593 JG |
163 | for (i = 0; i < value->num_entries; i++) { |
164 | addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
165 | cur_gatt = GET_GATT(addr); | |
166 | writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); | |
167 | readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */ | |
168 | } | |
169 | ||
1da177e4 LT |
170 | return 0; |
171 | } | |
172 | ||
173 | static int amd_free_gatt_table(struct agp_bridge_data *bridge) | |
174 | { | |
175 | struct amd_page_map page_dir; | |
176 | ||
177 | page_dir.real = (unsigned long *)agp_bridge->gatt_table_real; | |
178 | page_dir.remapped = (unsigned long __iomem *)agp_bridge->gatt_table; | |
179 | ||
180 | amd_free_gatt_pages(); | |
181 | amd_free_page_map(&page_dir); | |
182 | return 0; | |
183 | } | |
184 | ||
185 | static int amd_irongate_fetch_size(void) | |
186 | { | |
187 | int i; | |
188 | u32 temp; | |
189 | struct aper_size_info_lvl2 *values; | |
190 | ||
191 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
192 | temp = (temp & 0x0000000e); | |
193 | values = A_SIZE_LVL2(agp_bridge->driver->aperture_sizes); | |
194 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
195 | if (temp == values[i].size_value) { | |
196 | agp_bridge->previous_size = | |
197 | agp_bridge->current_size = (void *) (values + i); | |
198 | ||
199 | agp_bridge->aperture_size_idx = i; | |
200 | return values[i].size; | |
201 | } | |
202 | } | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | static int amd_irongate_configure(void) | |
208 | { | |
209 | struct aper_size_info_lvl2 *current_size; | |
210 | u32 temp; | |
211 | u16 enable_reg; | |
212 | ||
213 | current_size = A_SIZE_LVL2(agp_bridge->current_size); | |
214 | ||
2a32c3c8 SB |
215 | if (!amd_irongate_private.registers) { |
216 | /* Get the memory mapped registers */ | |
217 | pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp); | |
218 | temp = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
219 | amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096); | |
220 | if (!amd_irongate_private.registers) | |
221 | return -ENOMEM; | |
222 | } | |
1da177e4 LT |
223 | |
224 | /* Write out the address of the gatt table */ | |
225 | writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE); | |
226 | readl(amd_irongate_private.registers+AMD_ATTBASE); /* PCI Posting. */ | |
227 | ||
228 | /* Write the Sync register */ | |
229 | pci_write_config_byte(agp_bridge->dev, AMD_MODECNTL, 0x80); | |
230 | ||
231 | /* Set indexing mode */ | |
232 | pci_write_config_byte(agp_bridge->dev, AMD_MODECNTL2, 0x00); | |
233 | ||
234 | /* Write the enable register */ | |
235 | enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE); | |
236 | enable_reg = (enable_reg | 0x0004); | |
237 | writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE); | |
238 | readw(amd_irongate_private.registers+AMD_GARTENABLE); /* PCI Posting. */ | |
239 | ||
240 | /* Write out the size register */ | |
241 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
242 | temp = (((temp & ~(0x0000000e)) | current_size->size_value) | 1); | |
243 | pci_write_config_dword(agp_bridge->dev, AMD_APSIZE, temp); | |
244 | ||
245 | /* Flush the tlb */ | |
246 | writel(1, amd_irongate_private.registers+AMD_TLBFLUSH); | |
247 | readl(amd_irongate_private.registers+AMD_TLBFLUSH); /* PCI Posting.*/ | |
248 | return 0; | |
249 | } | |
250 | ||
251 | static void amd_irongate_cleanup(void) | |
252 | { | |
253 | struct aper_size_info_lvl2 *previous_size; | |
254 | u32 temp; | |
255 | u16 enable_reg; | |
256 | ||
257 | previous_size = A_SIZE_LVL2(agp_bridge->previous_size); | |
258 | ||
259 | enable_reg = readw(amd_irongate_private.registers+AMD_GARTENABLE); | |
260 | enable_reg = (enable_reg & ~(0x0004)); | |
261 | writew(enable_reg, amd_irongate_private.registers+AMD_GARTENABLE); | |
262 | readw(amd_irongate_private.registers+AMD_GARTENABLE); /* PCI Posting. */ | |
263 | ||
264 | /* Write back the previous size and disable gart translation */ | |
265 | pci_read_config_dword(agp_bridge->dev, AMD_APSIZE, &temp); | |
266 | temp = ((temp & ~(0x0000000f)) | previous_size->size_value); | |
267 | pci_write_config_dword(agp_bridge->dev, AMD_APSIZE, temp); | |
268 | iounmap((void __iomem *) amd_irongate_private.registers); | |
269 | } | |
270 | ||
271 | /* | |
272 | * This routine could be implemented by taking the addresses | |
273 | * written to the GATT, and flushing them individually. However | |
274 | * currently it just flushes the whole table. Which is probably | |
25985edc | 275 | * more efficient, since agp_memory blocks can be a large number of |
1da177e4 LT |
276 | * entries. |
277 | */ | |
278 | ||
279 | static void amd_irongate_tlbflush(struct agp_memory *temp) | |
280 | { | |
281 | writel(1, amd_irongate_private.registers+AMD_TLBFLUSH); | |
282 | readl(amd_irongate_private.registers+AMD_TLBFLUSH); /* PCI Posting. */ | |
283 | } | |
284 | ||
285 | static int amd_insert_memory(struct agp_memory *mem, off_t pg_start, int type) | |
286 | { | |
287 | int i, j, num_entries; | |
288 | unsigned long __iomem *cur_gatt; | |
289 | unsigned long addr; | |
290 | ||
291 | num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; | |
292 | ||
f6086134 FJ |
293 | if (type != mem->type || |
294 | agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) | |
1da177e4 LT |
295 | return -EINVAL; |
296 | ||
297 | if ((pg_start + mem->page_count) > num_entries) | |
298 | return -EINVAL; | |
299 | ||
300 | j = pg_start; | |
301 | while (j < (pg_start + mem->page_count)) { | |
302 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
303 | cur_gatt = GET_GATT(addr); | |
304 | if (!PGE_EMPTY(agp_bridge, readl(cur_gatt+GET_GATT_OFF(addr)))) | |
305 | return -EBUSY; | |
306 | j++; | |
307 | } | |
308 | ||
c7258012 | 309 | if (!mem->is_flushed) { |
1da177e4 | 310 | global_cache_flush(); |
c7258012 | 311 | mem->is_flushed = true; |
1da177e4 LT |
312 | } |
313 | ||
314 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
315 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
316 | cur_gatt = GET_GATT(addr); | |
317 | writel(agp_generic_mask_memory(agp_bridge, | |
6a12235c | 318 | page_to_phys(mem->pages[i]), |
2a4ceb6d DW |
319 | mem->type), |
320 | cur_gatt+GET_GATT_OFF(addr)); | |
1da177e4 LT |
321 | readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */ |
322 | } | |
323 | amd_irongate_tlbflush(mem); | |
324 | return 0; | |
325 | } | |
326 | ||
327 | static int amd_remove_memory(struct agp_memory *mem, off_t pg_start, int type) | |
328 | { | |
329 | int i; | |
330 | unsigned long __iomem *cur_gatt; | |
331 | unsigned long addr; | |
332 | ||
f6086134 FJ |
333 | if (type != mem->type || |
334 | agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type)) | |
1da177e4 LT |
335 | return -EINVAL; |
336 | ||
337 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { | |
338 | addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
339 | cur_gatt = GET_GATT(addr); | |
340 | writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); | |
341 | readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */ | |
342 | } | |
343 | ||
344 | amd_irongate_tlbflush(mem); | |
345 | return 0; | |
346 | } | |
347 | ||
e5524f35 | 348 | static const struct aper_size_info_lvl2 amd_irongate_sizes[7] = |
1da177e4 LT |
349 | { |
350 | {2048, 524288, 0x0000000c}, | |
351 | {1024, 262144, 0x0000000a}, | |
352 | {512, 131072, 0x00000008}, | |
353 | {256, 65536, 0x00000006}, | |
354 | {128, 32768, 0x00000004}, | |
355 | {64, 16384, 0x00000002}, | |
356 | {32, 8192, 0x00000000} | |
357 | }; | |
358 | ||
e5524f35 | 359 | static const struct gatt_mask amd_irongate_masks[] = |
1da177e4 LT |
360 | { |
361 | {.mask = 1, .type = 0} | |
362 | }; | |
363 | ||
e5524f35 | 364 | static const struct agp_bridge_driver amd_irongate_driver = { |
1da177e4 LT |
365 | .owner = THIS_MODULE, |
366 | .aperture_sizes = amd_irongate_sizes, | |
367 | .size_type = LVL2_APER_SIZE, | |
368 | .num_aperture_sizes = 7, | |
61cf0593 | 369 | .needs_scratch_page = true, |
1da177e4 LT |
370 | .configure = amd_irongate_configure, |
371 | .fetch_size = amd_irongate_fetch_size, | |
372 | .cleanup = amd_irongate_cleanup, | |
373 | .tlb_flush = amd_irongate_tlbflush, | |
374 | .mask_memory = agp_generic_mask_memory, | |
375 | .masks = amd_irongate_masks, | |
376 | .agp_enable = agp_generic_enable, | |
377 | .cache_flush = global_cache_flush, | |
378 | .create_gatt_table = amd_create_gatt_table, | |
379 | .free_gatt_table = amd_free_gatt_table, | |
380 | .insert_memory = amd_insert_memory, | |
381 | .remove_memory = amd_remove_memory, | |
382 | .alloc_by_type = agp_generic_alloc_by_type, | |
383 | .free_by_type = agp_generic_free_by_type, | |
384 | .agp_alloc_page = agp_generic_alloc_page, | |
5f310b63 | 385 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 386 | .agp_destroy_page = agp_generic_destroy_page, |
5f310b63 | 387 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 388 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
389 | }; |
390 | ||
391 | static struct agp_device_ids amd_agp_device_ids[] __devinitdata = | |
392 | { | |
393 | { | |
394 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_7006, | |
395 | .chipset_name = "Irongate", | |
396 | }, | |
397 | { | |
398 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_700E, | |
399 | .chipset_name = "761", | |
400 | }, | |
401 | { | |
402 | .device_id = PCI_DEVICE_ID_AMD_FE_GATE_700C, | |
403 | .chipset_name = "760MP", | |
404 | }, | |
405 | { }, /* dummy final entry, always present */ | |
406 | }; | |
407 | ||
408 | static int __devinit agp_amdk7_probe(struct pci_dev *pdev, | |
409 | const struct pci_device_id *ent) | |
410 | { | |
411 | struct agp_bridge_data *bridge; | |
412 | u8 cap_ptr; | |
413 | int j; | |
414 | ||
415 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
416 | if (!cap_ptr) | |
417 | return -ENODEV; | |
418 | ||
419 | j = ent - agp_amdk7_pci_table; | |
e3cf6951 BH |
420 | dev_info(&pdev->dev, "AMD %s chipset\n", |
421 | amd_agp_device_ids[j].chipset_name); | |
1da177e4 LT |
422 | |
423 | bridge = agp_alloc_bridge(); | |
424 | if (!bridge) | |
425 | return -ENOMEM; | |
426 | ||
427 | bridge->driver = &amd_irongate_driver; | |
428 | bridge->dev_private_data = &amd_irongate_private, | |
429 | bridge->dev = pdev; | |
430 | bridge->capndx = cap_ptr; | |
431 | ||
432 | /* 751 Errata (22564_B-1.PDF) | |
433 | erratum 20: strobe glitch with Nvidia NV10 GeForce cards. | |
434 | system controller may experience noise due to strong drive strengths | |
435 | */ | |
436 | if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_7006) { | |
1da177e4 | 437 | struct pci_dev *gfxcard=NULL; |
4ab92bcf HH |
438 | |
439 | cap_ptr = 0; | |
1da177e4 LT |
440 | while (!cap_ptr) { |
441 | gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard); | |
442 | if (!gfxcard) { | |
e3cf6951 | 443 | dev_info(&pdev->dev, "no AGP VGA controller\n"); |
1da177e4 LT |
444 | return -ENODEV; |
445 | } | |
446 | cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP); | |
1da177e4 LT |
447 | } |
448 | ||
449 | /* With so many variants of NVidia cards, it's simpler just | |
450 | to blacklist them all, and then whitelist them as needed | |
451 | (if necessary at all). */ | |
452 | if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) { | |
453 | agp_bridge->flags |= AGP_ERRATA_1X; | |
e3cf6951 | 454 | dev_info(&pdev->dev, "AMD 751 chipset with NVidia GeForce; forcing 1X due to errata\n"); |
1da177e4 LT |
455 | } |
456 | pci_dev_put(gfxcard); | |
457 | } | |
458 | ||
459 | /* 761 Errata (23613_F.pdf) | |
460 | * Revisions B0/B1 were a disaster. | |
461 | * erratum 44: SYSCLK/AGPCLK skew causes 2X failures -- Force mode to 1X | |
462 | * erratum 45: Timing problem prevents fast writes -- Disable fast write. | |
463 | * erratum 46: Setup violation on AGP SBA pins - Disable side band addressing. | |
464 | * With this lot disabled, we should prevent lockups. */ | |
465 | if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_700E) { | |
44c10138 | 466 | if (pdev->revision == 0x10 || pdev->revision == 0x11) { |
1da177e4 LT |
467 | agp_bridge->flags = AGP_ERRATA_FASTWRITES; |
468 | agp_bridge->flags |= AGP_ERRATA_SBA; | |
469 | agp_bridge->flags |= AGP_ERRATA_1X; | |
e3cf6951 | 470 | dev_info(&pdev->dev, "AMD 761 chipset with errata; disabling AGP fast writes & SBA and forcing to 1X\n"); |
1da177e4 LT |
471 | } |
472 | } | |
473 | ||
474 | /* Fill in the mode register */ | |
475 | pci_read_config_dword(pdev, | |
476 | bridge->capndx+PCI_AGP_STATUS, | |
477 | &bridge->mode); | |
478 | ||
479 | pci_set_drvdata(pdev, bridge); | |
480 | return agp_add_bridge(bridge); | |
481 | } | |
482 | ||
483 | static void __devexit agp_amdk7_remove(struct pci_dev *pdev) | |
484 | { | |
485 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
486 | ||
487 | agp_remove_bridge(bridge); | |
488 | agp_put_bridge(bridge); | |
489 | } | |
490 | ||
2a32c3c8 SB |
491 | #ifdef CONFIG_PM |
492 | ||
493 | static int agp_amdk7_suspend(struct pci_dev *pdev, pm_message_t state) | |
494 | { | |
495 | pci_save_state(pdev); | |
496 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
501 | static int agp_amdk7_resume(struct pci_dev *pdev) | |
502 | { | |
503 | pci_set_power_state(pdev, PCI_D0); | |
504 | pci_restore_state(pdev); | |
505 | ||
506 | return amd_irongate_driver.configure(); | |
507 | } | |
508 | ||
509 | #endif /* CONFIG_PM */ | |
510 | ||
1da177e4 LT |
511 | /* must be the same order as name table above */ |
512 | static struct pci_device_id agp_amdk7_pci_table[] = { | |
513 | { | |
514 | .class = (PCI_CLASS_BRIDGE_HOST << 8), | |
515 | .class_mask = ~0, | |
516 | .vendor = PCI_VENDOR_ID_AMD, | |
517 | .device = PCI_DEVICE_ID_AMD_FE_GATE_7006, | |
518 | .subvendor = PCI_ANY_ID, | |
519 | .subdevice = PCI_ANY_ID, | |
520 | }, | |
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_700E, | |
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_700C, | |
534 | .subvendor = PCI_ANY_ID, | |
535 | .subdevice = PCI_ANY_ID, | |
536 | }, | |
537 | { } | |
538 | }; | |
539 | ||
540 | MODULE_DEVICE_TABLE(pci, agp_amdk7_pci_table); | |
541 | ||
542 | static struct pci_driver agp_amdk7_pci_driver = { | |
543 | .name = "agpgart-amdk7", | |
544 | .id_table = agp_amdk7_pci_table, | |
545 | .probe = agp_amdk7_probe, | |
546 | .remove = agp_amdk7_remove, | |
2a32c3c8 SB |
547 | #ifdef CONFIG_PM |
548 | .suspend = agp_amdk7_suspend, | |
549 | .resume = agp_amdk7_resume, | |
550 | #endif | |
1da177e4 LT |
551 | }; |
552 | ||
553 | static int __init agp_amdk7_init(void) | |
554 | { | |
555 | if (agp_off) | |
556 | return -EINVAL; | |
557 | return pci_register_driver(&agp_amdk7_pci_driver); | |
558 | } | |
559 | ||
560 | static void __exit agp_amdk7_cleanup(void) | |
561 | { | |
562 | pci_unregister_driver(&agp_amdk7_pci_driver); | |
563 | } | |
564 | ||
565 | module_init(agp_amdk7_init); | |
566 | module_exit(agp_amdk7_cleanup); | |
567 | ||
568 | MODULE_LICENSE("GPL and additional rights"); |