Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * ATi AGPGART routines. | |
3 | */ | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <linux/module.h> | |
7 | #include <linux/pci.h> | |
8 | #include <linux/init.h> | |
4e57b681 TS |
9 | #include <linux/string.h> |
10 | #include <linux/slab.h> | |
1da177e4 LT |
11 | #include <linux/agp_backend.h> |
12 | #include <asm/agp.h> | |
e47036b4 | 13 | #include <asm/set_memory.h> |
1da177e4 LT |
14 | #include "agp.h" |
15 | ||
d68c5a27 | 16 | #define ATI_GART_MMBASE_BAR 1 |
1da177e4 LT |
17 | #define ATI_RS100_APSIZE 0xac |
18 | #define ATI_RS100_IG_AGPMODE 0xb0 | |
19 | #define ATI_RS300_APSIZE 0xf8 | |
20 | #define ATI_RS300_IG_AGPMODE 0xfc | |
21 | #define ATI_GART_FEATURE_ID 0x00 | |
22 | #define ATI_GART_BASE 0x04 | |
23 | #define ATI_GART_CACHE_SZBASE 0x08 | |
24 | #define ATI_GART_CACHE_CNTRL 0x0c | |
25 | #define ATI_GART_CACHE_ENTRY_CNTRL 0x10 | |
26 | ||
27 | ||
e5524f35 | 28 | static const struct aper_size_info_lvl2 ati_generic_sizes[7] = |
1da177e4 LT |
29 | { |
30 | {2048, 524288, 0x0000000c}, | |
31 | {1024, 262144, 0x0000000a}, | |
32 | {512, 131072, 0x00000008}, | |
33 | {256, 65536, 0x00000006}, | |
34 | {128, 32768, 0x00000004}, | |
35 | {64, 16384, 0x00000002}, | |
36 | {32, 8192, 0x00000000} | |
37 | }; | |
38 | ||
39 | static struct gatt_mask ati_generic_masks[] = | |
40 | { | |
41 | { .mask = 1, .type = 0} | |
42 | }; | |
43 | ||
44 | ||
87a17f31 | 45 | struct ati_page_map { |
1da177e4 LT |
46 | unsigned long *real; |
47 | unsigned long __iomem *remapped; | |
87a17f31 | 48 | }; |
1da177e4 LT |
49 | |
50 | static struct _ati_generic_private { | |
51 | volatile u8 __iomem *registers; | |
87a17f31 | 52 | struct ati_page_map **gatt_pages; |
1da177e4 LT |
53 | int num_tables; |
54 | } ati_generic_private; | |
55 | ||
87a17f31 | 56 | static int ati_create_page_map(struct ati_page_map *page_map) |
1da177e4 LT |
57 | { |
58 | int i, err = 0; | |
59 | ||
60 | page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL); | |
61 | if (page_map->real == NULL) | |
62 | return -ENOMEM; | |
63 | ||
44a207fc | 64 | set_memory_uc((unsigned long)page_map->real, 1); |
1da177e4 | 65 | err = map_page_into_agp(virt_to_page(page_map->real)); |
fcea424d | 66 | page_map->remapped = page_map->real; |
1da177e4 | 67 | |
6a92a4e0 | 68 | for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) { |
1da177e4 LT |
69 | writel(agp_bridge->scratch_page, page_map->remapped+i); |
70 | readl(page_map->remapped+i); /* PCI Posting. */ | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | ||
87a17f31 | 77 | static void ati_free_page_map(struct ati_page_map *page_map) |
1da177e4 LT |
78 | { |
79 | unmap_page_from_agp(virt_to_page(page_map->real)); | |
44a207fc | 80 | set_memory_wb((unsigned long)page_map->real, 1); |
1da177e4 LT |
81 | free_page((unsigned long) page_map->real); |
82 | } | |
83 | ||
84 | ||
85 | static void ati_free_gatt_pages(void) | |
86 | { | |
87 | int i; | |
87a17f31 DJ |
88 | struct ati_page_map **tables; |
89 | struct ati_page_map *entry; | |
1da177e4 LT |
90 | |
91 | tables = ati_generic_private.gatt_pages; | |
6a92a4e0 | 92 | for (i = 0; i < ati_generic_private.num_tables; i++) { |
1da177e4 LT |
93 | entry = tables[i]; |
94 | if (entry != NULL) { | |
95 | if (entry->real != NULL) | |
96 | ati_free_page_map(entry); | |
97 | kfree(entry); | |
98 | } | |
99 | } | |
100 | kfree(tables); | |
101 | } | |
102 | ||
103 | ||
104 | static int ati_create_gatt_pages(int nr_tables) | |
105 | { | |
87a17f31 DJ |
106 | struct ati_page_map **tables; |
107 | struct ati_page_map *entry; | |
1da177e4 LT |
108 | int retval = 0; |
109 | int i; | |
110 | ||
6396bb22 KC |
111 | tables = kcalloc(nr_tables + 1, sizeof(struct ati_page_map *), |
112 | GFP_KERNEL); | |
1da177e4 LT |
113 | if (tables == NULL) |
114 | return -ENOMEM; | |
115 | ||
1da177e4 | 116 | for (i = 0; i < nr_tables; i++) { |
87a17f31 | 117 | entry = kzalloc(sizeof(struct ati_page_map), GFP_KERNEL); |
190644e1 | 118 | tables[i] = entry; |
1da177e4 | 119 | if (entry == NULL) { |
1da177e4 LT |
120 | retval = -ENOMEM; |
121 | break; | |
122 | } | |
1da177e4 | 123 | retval = ati_create_page_map(entry); |
7707ea3b DJ |
124 | if (retval != 0) |
125 | break; | |
1da177e4 | 126 | } |
190644e1 | 127 | ati_generic_private.num_tables = i; |
1da177e4 LT |
128 | ati_generic_private.gatt_pages = tables; |
129 | ||
89d17b96 DJ |
130 | if (retval != 0) |
131 | ati_free_gatt_pages(); | |
1da177e4 LT |
132 | |
133 | return retval; | |
134 | } | |
135 | ||
136 | static int is_r200(void) | |
137 | { | |
138 | if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) || | |
139 | (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) || | |
140 | (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200_B) || | |
141 | (agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) | |
142 | return 1; | |
143 | return 0; | |
144 | } | |
145 | ||
146 | static int ati_fetch_size(void) | |
147 | { | |
148 | int i; | |
149 | u32 temp; | |
150 | struct aper_size_info_lvl2 *values; | |
151 | ||
152 | if (is_r200()) | |
153 | pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); | |
154 | else | |
155 | pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); | |
156 | ||
157 | temp = (temp & 0x0000000e); | |
158 | values = A_SIZE_LVL2(agp_bridge->driver->aperture_sizes); | |
159 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
160 | if (temp == values[i].size_value) { | |
161 | agp_bridge->previous_size = | |
162 | agp_bridge->current_size = (void *) (values + i); | |
163 | ||
164 | agp_bridge->aperture_size_idx = i; | |
165 | return values[i].size; | |
166 | } | |
167 | } | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
172 | static void ati_tlbflush(struct agp_memory * mem) | |
173 | { | |
174 | writel(1, ati_generic_private.registers+ATI_GART_CACHE_CNTRL); | |
175 | readl(ati_generic_private.registers+ATI_GART_CACHE_CNTRL); /* PCI Posting. */ | |
176 | } | |
177 | ||
178 | static void ati_cleanup(void) | |
179 | { | |
180 | struct aper_size_info_lvl2 *previous_size; | |
181 | u32 temp; | |
182 | ||
183 | previous_size = A_SIZE_LVL2(agp_bridge->previous_size); | |
184 | ||
185 | /* Write back the previous size and disable gart translation */ | |
186 | if (is_r200()) { | |
187 | pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); | |
188 | temp = ((temp & ~(0x0000000f)) | previous_size->size_value); | |
189 | pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp); | |
190 | } else { | |
191 | pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); | |
192 | temp = ((temp & ~(0x0000000f)) | previous_size->size_value); | |
193 | pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp); | |
194 | } | |
195 | iounmap((volatile u8 __iomem *)ati_generic_private.registers); | |
196 | } | |
197 | ||
198 | ||
199 | static int ati_configure(void) | |
200 | { | |
d68c5a27 | 201 | phys_addr_t reg; |
1da177e4 LT |
202 | u32 temp; |
203 | ||
204 | /* Get the memory mapped registers */ | |
d68c5a27 BH |
205 | reg = pci_resource_start(agp_bridge->dev, ATI_GART_MMBASE_BAR); |
206 | ati_generic_private.registers = (volatile u8 __iomem *) ioremap(reg, 4096); | |
1da177e4 | 207 | |
5bdbc7dc ST |
208 | if (!ati_generic_private.registers) |
209 | return -ENOMEM; | |
210 | ||
1da177e4 | 211 | if (is_r200()) |
89d17b96 | 212 | pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000); |
1da177e4 LT |
213 | else |
214 | pci_write_config_dword(agp_bridge->dev, ATI_RS300_IG_AGPMODE, 0x20000); | |
215 | ||
e501b3d8 | 216 | /* address to map to */ |
89d17b96 | 217 | /* |
e501b3d8 BH |
218 | agp_bridge.gart_bus_addr = pci_bus_address(agp_bridge.dev, |
219 | AGP_APERTURE_BAR); | |
1da177e4 | 220 | printk(KERN_INFO PFX "IGP320 gart_bus_addr: %x\n", agp_bridge.gart_bus_addr); |
89d17b96 | 221 | */ |
1da177e4 LT |
222 | writel(0x60000, ati_generic_private.registers+ATI_GART_FEATURE_ID); |
223 | readl(ati_generic_private.registers+ATI_GART_FEATURE_ID); /* PCI Posting.*/ | |
224 | ||
225 | /* SIGNALED_SYSTEM_ERROR @ NB_STATUS */ | |
167b1f04 BH |
226 | pci_read_config_dword(agp_bridge->dev, PCI_COMMAND, &temp); |
227 | pci_write_config_dword(agp_bridge->dev, PCI_COMMAND, temp | (1<<14)); | |
1da177e4 LT |
228 | |
229 | /* Write out the address of the gatt table */ | |
230 | writel(agp_bridge->gatt_bus_addr, ati_generic_private.registers+ATI_GART_BASE); | |
231 | readl(ati_generic_private.registers+ATI_GART_BASE); /* PCI Posting. */ | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
236 | ||
5dda4986 | 237 | #ifdef CONFIG_PM |
a4aec262 | 238 | static int agp_ati_suspend(struct pci_dev *dev, pm_message_t state) |
5dda4986 | 239 | { |
a4aec262 | 240 | pci_save_state(dev); |
43355503 | 241 | pci_set_power_state(dev, PCI_D3hot); |
5dda4986 | 242 | |
a4aec262 | 243 | return 0; |
5dda4986 | 244 | } |
245 | ||
a4aec262 | 246 | static int agp_ati_resume(struct pci_dev *dev) |
5dda4986 | 247 | { |
43355503 | 248 | pci_set_power_state(dev, PCI_D0); |
a4aec262 | 249 | pci_restore_state(dev); |
5dda4986 | 250 | |
a4aec262 | 251 | return ati_configure(); |
5dda4986 | 252 | } |
253 | #endif | |
254 | ||
1da177e4 | 255 | /* |
d6e05edc | 256 | *Since we don't need contiguous memory we just try |
1da177e4 LT |
257 | * to get the gatt table once |
258 | */ | |
259 | ||
260 | #define GET_PAGE_DIR_OFF(addr) (addr >> 22) | |
261 | #define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \ | |
262 | GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr)) | |
263 | #define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) | |
264 | #undef GET_GATT | |
265 | #define GET_GATT(addr) (ati_generic_private.gatt_pages[\ | |
266 | GET_PAGE_DIR_IDX(addr)]->remapped) | |
267 | ||
268 | static int ati_insert_memory(struct agp_memory * mem, | |
269 | off_t pg_start, int type) | |
270 | { | |
271 | int i, j, num_entries; | |
272 | unsigned long __iomem *cur_gatt; | |
273 | unsigned long addr; | |
a95fe463 | 274 | int mask_type; |
1da177e4 LT |
275 | |
276 | num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; | |
277 | ||
a95fe463 DA |
278 | mask_type = agp_generic_type_to_mask_type(mem->bridge, type); |
279 | if (mask_type != 0 || type != mem->type) | |
1da177e4 LT |
280 | return -EINVAL; |
281 | ||
a95fe463 DA |
282 | if (mem->page_count == 0) |
283 | return 0; | |
284 | ||
1da177e4 LT |
285 | if ((pg_start + mem->page_count) > num_entries) |
286 | return -EINVAL; | |
287 | ||
288 | j = pg_start; | |
289 | while (j < (pg_start + mem->page_count)) { | |
290 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
291 | cur_gatt = GET_GATT(addr); | |
292 | if (!PGE_EMPTY(agp_bridge,readl(cur_gatt+GET_GATT_OFF(addr)))) | |
293 | return -EBUSY; | |
294 | j++; | |
295 | } | |
296 | ||
c7258012 | 297 | if (!mem->is_flushed) { |
1da177e4 LT |
298 | /*CACHE_FLUSH(); */ |
299 | global_cache_flush(); | |
c7258012 | 300 | mem->is_flushed = true; |
1da177e4 LT |
301 | } |
302 | ||
303 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
304 | addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
305 | cur_gatt = GET_GATT(addr); | |
07613ba2 | 306 | writel(agp_bridge->driver->mask_memory(agp_bridge, |
6a12235c | 307 | page_to_phys(mem->pages[i]), |
2a4ceb6d | 308 | mem->type), |
07613ba2 | 309 | cur_gatt+GET_GATT_OFF(addr)); |
1da177e4 | 310 | } |
a95fe463 | 311 | readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */ |
1da177e4 LT |
312 | agp_bridge->driver->tlb_flush(mem); |
313 | return 0; | |
314 | } | |
315 | ||
316 | static int ati_remove_memory(struct agp_memory * mem, off_t pg_start, | |
317 | int type) | |
318 | { | |
319 | int i; | |
320 | unsigned long __iomem *cur_gatt; | |
321 | unsigned long addr; | |
a95fe463 | 322 | int mask_type; |
1da177e4 | 323 | |
a95fe463 DA |
324 | mask_type = agp_generic_type_to_mask_type(mem->bridge, type); |
325 | if (mask_type != 0 || type != mem->type) | |
1da177e4 | 326 | return -EINVAL; |
89d17b96 | 327 | |
a95fe463 DA |
328 | if (mem->page_count == 0) |
329 | return 0; | |
330 | ||
1da177e4 LT |
331 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
332 | addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
333 | cur_gatt = GET_GATT(addr); | |
334 | writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); | |
1da177e4 LT |
335 | } |
336 | ||
a95fe463 | 337 | readl(GET_GATT(agp_bridge->gart_bus_addr)); /* PCI posting */ |
1da177e4 LT |
338 | agp_bridge->driver->tlb_flush(mem); |
339 | return 0; | |
340 | } | |
341 | ||
342 | static int ati_create_gatt_table(struct agp_bridge_data *bridge) | |
343 | { | |
344 | struct aper_size_info_lvl2 *value; | |
87a17f31 | 345 | struct ati_page_map page_dir; |
61cf0593 | 346 | unsigned long __iomem *cur_gatt; |
1da177e4 LT |
347 | unsigned long addr; |
348 | int retval; | |
349 | u32 temp; | |
350 | int i; | |
351 | struct aper_size_info_lvl2 *current_size; | |
352 | ||
353 | value = A_SIZE_LVL2(agp_bridge->current_size); | |
354 | retval = ati_create_page_map(&page_dir); | |
355 | if (retval != 0) | |
356 | return retval; | |
357 | ||
358 | retval = ati_create_gatt_pages(value->num_entries / 1024); | |
359 | if (retval != 0) { | |
360 | ati_free_page_map(&page_dir); | |
361 | return retval; | |
362 | } | |
363 | ||
364 | agp_bridge->gatt_table_real = (u32 *)page_dir.real; | |
365 | agp_bridge->gatt_table = (u32 __iomem *) page_dir.remapped; | |
6a12235c | 366 | agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real); |
1da177e4 LT |
367 | |
368 | /* Write out the size register */ | |
369 | current_size = A_SIZE_LVL2(agp_bridge->current_size); | |
370 | ||
371 | if (is_r200()) { | |
372 | pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); | |
373 | temp = (((temp & ~(0x0000000e)) | current_size->size_value) | |
374 | | 0x00000001); | |
375 | pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp); | |
376 | pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp); | |
377 | } else { | |
378 | pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); | |
379 | temp = (((temp & ~(0x0000000e)) | current_size->size_value) | |
380 | | 0x00000001); | |
381 | pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp); | |
382 | pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp); | |
383 | } | |
384 | ||
385 | /* | |
386 | * Get the address for the gart region. | |
387 | * This is a bus address even on the alpha, b/c its | |
388 | * used to program the agp master not the cpu | |
389 | */ | |
e501b3d8 | 390 | addr = pci_bus_address(agp_bridge->dev, AGP_APERTURE_BAR); |
1da177e4 LT |
391 | agp_bridge->gart_bus_addr = addr; |
392 | ||
393 | /* Calculate the agp offset */ | |
6a92a4e0 | 394 | for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) { |
6a12235c | 395 | writel(virt_to_phys(ati_generic_private.gatt_pages[i]->real) | 1, |
1da177e4 LT |
396 | page_dir.remapped+GET_PAGE_DIR_OFF(addr)); |
397 | readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr)); /* PCI Posting. */ | |
398 | } | |
399 | ||
61cf0593 JG |
400 | for (i = 0; i < value->num_entries; i++) { |
401 | addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; | |
402 | cur_gatt = GET_GATT(addr); | |
403 | writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); | |
404 | } | |
405 | ||
1da177e4 LT |
406 | return 0; |
407 | } | |
408 | ||
409 | static int ati_free_gatt_table(struct agp_bridge_data *bridge) | |
410 | { | |
87a17f31 | 411 | struct ati_page_map page_dir; |
1da177e4 LT |
412 | |
413 | page_dir.real = (unsigned long *)agp_bridge->gatt_table_real; | |
414 | page_dir.remapped = (unsigned long __iomem *)agp_bridge->gatt_table; | |
415 | ||
416 | ati_free_gatt_pages(); | |
417 | ati_free_page_map(&page_dir); | |
418 | return 0; | |
419 | } | |
420 | ||
e5524f35 | 421 | static const struct agp_bridge_driver ati_generic_bridge = { |
1da177e4 LT |
422 | .owner = THIS_MODULE, |
423 | .aperture_sizes = ati_generic_sizes, | |
424 | .size_type = LVL2_APER_SIZE, | |
425 | .num_aperture_sizes = 7, | |
61cf0593 | 426 | .needs_scratch_page = true, |
1da177e4 LT |
427 | .configure = ati_configure, |
428 | .fetch_size = ati_fetch_size, | |
429 | .cleanup = ati_cleanup, | |
430 | .tlb_flush = ati_tlbflush, | |
431 | .mask_memory = agp_generic_mask_memory, | |
432 | .masks = ati_generic_masks, | |
433 | .agp_enable = agp_generic_enable, | |
434 | .cache_flush = global_cache_flush, | |
435 | .create_gatt_table = ati_create_gatt_table, | |
436 | .free_gatt_table = ati_free_gatt_table, | |
437 | .insert_memory = ati_insert_memory, | |
438 | .remove_memory = ati_remove_memory, | |
439 | .alloc_by_type = agp_generic_alloc_by_type, | |
440 | .free_by_type = agp_generic_free_by_type, | |
441 | .agp_alloc_page = agp_generic_alloc_page, | |
5f310b63 | 442 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 443 | .agp_destroy_page = agp_generic_destroy_page, |
5f310b63 | 444 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 445 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
446 | }; |
447 | ||
448 | ||
0bbed20e | 449 | static struct agp_device_ids ati_agp_device_ids[] = |
1da177e4 LT |
450 | { |
451 | { | |
452 | .device_id = PCI_DEVICE_ID_ATI_RS100, | |
453 | .chipset_name = "IGP320/M", | |
454 | }, | |
455 | { | |
456 | .device_id = PCI_DEVICE_ID_ATI_RS200, | |
457 | .chipset_name = "IGP330/340/345/350/M", | |
458 | }, | |
459 | { | |
460 | .device_id = PCI_DEVICE_ID_ATI_RS200_B, | |
461 | .chipset_name = "IGP345M", | |
462 | }, | |
463 | { | |
464 | .device_id = PCI_DEVICE_ID_ATI_RS250, | |
465 | .chipset_name = "IGP7000/M", | |
466 | }, | |
467 | { | |
468 | .device_id = PCI_DEVICE_ID_ATI_RS300_100, | |
469 | .chipset_name = "IGP9100/M", | |
470 | }, | |
471 | { | |
472 | .device_id = PCI_DEVICE_ID_ATI_RS300_133, | |
473 | .chipset_name = "IGP9100/M", | |
474 | }, | |
475 | { | |
476 | .device_id = PCI_DEVICE_ID_ATI_RS300_166, | |
477 | .chipset_name = "IGP9100/M", | |
478 | }, | |
479 | { | |
480 | .device_id = PCI_DEVICE_ID_ATI_RS300_200, | |
481 | .chipset_name = "IGP9100/M", | |
482 | }, | |
df0bcab2 AK |
483 | { |
484 | .device_id = PCI_DEVICE_ID_ATI_RS350_133, | |
485 | .chipset_name = "IGP9000/M", | |
486 | }, | |
9d1ef8a6 DJ |
487 | { |
488 | .device_id = PCI_DEVICE_ID_ATI_RS350_200, | |
489 | .chipset_name = "IGP9100/M", | |
490 | }, | |
1da177e4 LT |
491 | { }, /* dummy final entry, always present */ |
492 | }; | |
493 | ||
bcd2982a | 494 | static int agp_ati_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
1da177e4 LT |
495 | { |
496 | struct agp_device_ids *devs = ati_agp_device_ids; | |
497 | struct agp_bridge_data *bridge; | |
498 | u8 cap_ptr; | |
499 | int j; | |
500 | ||
501 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
502 | if (!cap_ptr) | |
503 | return -ENODEV; | |
504 | ||
505 | /* probe for known chipsets */ | |
506 | for (j = 0; devs[j].chipset_name; j++) { | |
507 | if (pdev->device == devs[j].device_id) | |
508 | goto found; | |
509 | } | |
510 | ||
e3cf6951 BH |
511 | dev_err(&pdev->dev, "unsupported Ati chipset [%04x/%04x])\n", |
512 | pdev->vendor, pdev->device); | |
1da177e4 LT |
513 | return -ENODEV; |
514 | ||
515 | found: | |
516 | bridge = agp_alloc_bridge(); | |
517 | if (!bridge) | |
518 | return -ENOMEM; | |
519 | ||
520 | bridge->dev = pdev; | |
521 | bridge->capndx = cap_ptr; | |
1da177e4 | 522 | |
89d17b96 | 523 | bridge->driver = &ati_generic_bridge; |
1da177e4 | 524 | |
e3cf6951 | 525 | dev_info(&pdev->dev, "Ati %s chipset\n", devs[j].chipset_name); |
1da177e4 LT |
526 | |
527 | /* Fill in the mode register */ | |
528 | pci_read_config_dword(pdev, | |
529 | bridge->capndx+PCI_AGP_STATUS, | |
530 | &bridge->mode); | |
531 | ||
532 | pci_set_drvdata(pdev, bridge); | |
533 | return agp_add_bridge(bridge); | |
534 | } | |
535 | ||
39af33fc | 536 | static void agp_ati_remove(struct pci_dev *pdev) |
1da177e4 LT |
537 | { |
538 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
539 | ||
540 | agp_remove_bridge(bridge); | |
541 | agp_put_bridge(bridge); | |
542 | } | |
543 | ||
11cdae9a | 544 | static const struct pci_device_id agp_ati_pci_table[] = { |
1da177e4 LT |
545 | { |
546 | .class = (PCI_CLASS_BRIDGE_HOST << 8), | |
547 | .class_mask = ~0, | |
548 | .vendor = PCI_VENDOR_ID_ATI, | |
549 | .device = PCI_ANY_ID, | |
550 | .subvendor = PCI_ANY_ID, | |
551 | .subdevice = PCI_ANY_ID, | |
552 | }, | |
553 | { } | |
554 | }; | |
555 | ||
556 | MODULE_DEVICE_TABLE(pci, agp_ati_pci_table); | |
557 | ||
558 | static struct pci_driver agp_ati_pci_driver = { | |
559 | .name = "agpgart-ati", | |
560 | .id_table = agp_ati_pci_table, | |
561 | .probe = agp_ati_probe, | |
562 | .remove = agp_ati_remove, | |
5dda4986 | 563 | #ifdef CONFIG_PM |
5dda4986 | 564 | .suspend = agp_ati_suspend, |
a4aec262 | 565 | .resume = agp_ati_resume, |
5dda4986 | 566 | #endif |
1da177e4 LT |
567 | }; |
568 | ||
569 | static int __init agp_ati_init(void) | |
570 | { | |
571 | if (agp_off) | |
572 | return -EINVAL; | |
573 | return pci_register_driver(&agp_ati_pci_driver); | |
574 | } | |
575 | ||
576 | static void __exit agp_ati_cleanup(void) | |
577 | { | |
578 | pci_unregister_driver(&agp_ati_pci_driver); | |
579 | } | |
580 | ||
581 | module_init(agp_ati_init); | |
582 | module_exit(agp_ati_cleanup); | |
583 | ||
bd8136d3 | 584 | MODULE_AUTHOR("Dave Jones"); |
1da177e4 LT |
585 | MODULE_LICENSE("GPL and additional rights"); |
586 |