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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Intel AGPGART routines. | |
3 | */ | |
4 | ||
1da177e4 LT |
5 | #include <linux/module.h> |
6 | #include <linux/pci.h> | |
7 | #include <linux/init.h> | |
1eaf122c | 8 | #include <linux/kernel.h> |
1da177e4 LT |
9 | #include <linux/pagemap.h> |
10 | #include <linux/agp_backend.h> | |
11 | #include "agp.h" | |
12 | ||
e914a36a CM |
13 | #define PCI_DEVICE_ID_INTEL_E7221_HB 0x2588 |
14 | #define PCI_DEVICE_ID_INTEL_E7221_IG 0x258a | |
65c25aad EA |
15 | #define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 |
16 | #define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972 | |
9119f85a ZW |
17 | #define PCI_DEVICE_ID_INTEL_82G35_HB 0x2980 |
18 | #define PCI_DEVICE_ID_INTEL_82G35_IG 0x2982 | |
65c25aad EA |
19 | #define PCI_DEVICE_ID_INTEL_82965Q_HB 0x2990 |
20 | #define PCI_DEVICE_ID_INTEL_82965Q_IG 0x2992 | |
21 | #define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 | |
22 | #define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2 | |
4598af33 WZ |
23 | #define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 |
24 | #define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02 | |
dde47876 | 25 | #define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10 |
c8eebfd6 | 26 | #define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12 |
dde47876 | 27 | #define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC |
df80b148 | 28 | #define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE |
874808c6 WZ |
29 | #define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 |
30 | #define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2 | |
31 | #define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 | |
32 | #define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 | |
33 | #define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 | |
34 | #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 | |
99d32bd5 ZW |
35 | #define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 |
36 | #define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 | |
25ce77ab ZW |
37 | #define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00 |
38 | #define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02 | |
39 | #define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 | |
40 | #define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12 | |
41 | #define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20 | |
42 | #define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22 | |
65c25aad | 43 | |
f011ae74 DA |
44 | /* cover 915 and 945 variants */ |
45 | #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \ | |
46 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \ | |
47 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \ | |
48 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \ | |
49 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \ | |
50 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB) | |
51 | ||
65c25aad | 52 | #define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ |
f011ae74 DA |
53 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \ |
54 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ | |
55 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ | |
56 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ | |
82e14a62 | 57 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB) |
65c25aad | 58 | |
874808c6 WZ |
59 | #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ |
60 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ | |
61 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB) | |
65c25aad | 62 | |
25ce77ab ZW |
63 | #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \ |
64 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ | |
82e14a62 EA |
65 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ |
66 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB) | |
25ce77ab | 67 | |
a030ce44 TH |
68 | extern int agp_memory_reserved; |
69 | ||
70 | ||
1da177e4 LT |
71 | /* Intel 815 register */ |
72 | #define INTEL_815_APCONT 0x51 | |
73 | #define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF | |
74 | ||
75 | /* Intel i820 registers */ | |
76 | #define INTEL_I820_RDCR 0x51 | |
77 | #define INTEL_I820_ERRSTS 0xc8 | |
78 | ||
79 | /* Intel i840 registers */ | |
80 | #define INTEL_I840_MCHCFG 0x50 | |
81 | #define INTEL_I840_ERRSTS 0xc8 | |
82 | ||
83 | /* Intel i850 registers */ | |
84 | #define INTEL_I850_MCHCFG 0x50 | |
85 | #define INTEL_I850_ERRSTS 0xc8 | |
86 | ||
87 | /* intel 915G registers */ | |
88 | #define I915_GMADDR 0x18 | |
89 | #define I915_MMADDR 0x10 | |
90 | #define I915_PTEADDR 0x1C | |
91 | #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) | |
92 | #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) | |
25ce77ab ZW |
93 | #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) |
94 | #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) | |
95 | #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) | |
96 | #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) | |
97 | #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) | |
98 | #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) | |
99 | ||
6c00a61e | 100 | #define I915_IFPADDR 0x60 |
1da177e4 | 101 | |
65c25aad EA |
102 | /* Intel 965G registers */ |
103 | #define I965_MSAC 0x62 | |
6c00a61e | 104 | #define I965_IFPADDR 0x70 |
1da177e4 LT |
105 | |
106 | /* Intel 7505 registers */ | |
107 | #define INTEL_I7505_APSIZE 0x74 | |
108 | #define INTEL_I7505_NCAPID 0x60 | |
109 | #define INTEL_I7505_NISTAT 0x6c | |
110 | #define INTEL_I7505_ATTBASE 0x78 | |
111 | #define INTEL_I7505_ERRSTS 0x42 | |
112 | #define INTEL_I7505_AGPCTRL 0x70 | |
113 | #define INTEL_I7505_MCHCFG 0x50 | |
114 | ||
e5524f35 | 115 | static const struct aper_size_info_fixed intel_i810_sizes[] = |
1da177e4 LT |
116 | { |
117 | {64, 16384, 4}, | |
118 | /* The 32M mode still requires a 64k gatt */ | |
119 | {32, 8192, 4} | |
120 | }; | |
121 | ||
122 | #define AGP_DCACHE_MEMORY 1 | |
123 | #define AGP_PHYS_MEMORY 2 | |
a030ce44 | 124 | #define INTEL_AGP_CACHED_MEMORY 3 |
1da177e4 LT |
125 | |
126 | static struct gatt_mask intel_i810_masks[] = | |
127 | { | |
128 | {.mask = I810_PTE_VALID, .type = 0}, | |
129 | {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY}, | |
a030ce44 TH |
130 | {.mask = I810_PTE_VALID, .type = 0}, |
131 | {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED, | |
132 | .type = INTEL_AGP_CACHED_MEMORY} | |
1da177e4 LT |
133 | }; |
134 | ||
c4ca8817 WZ |
135 | static struct _intel_private { |
136 | struct pci_dev *pcidev; /* device one */ | |
137 | u8 __iomem *registers; | |
138 | u32 __iomem *gtt; /* I915G */ | |
1da177e4 | 139 | int num_dcache_entries; |
c4ca8817 WZ |
140 | /* gtt_entries is the number of gtt entries that are already mapped |
141 | * to stolen memory. Stolen memory is larger than the memory mapped | |
142 | * through gtt_entries, as it includes some reserved space for the BIOS | |
143 | * popup and for the GTT. | |
144 | */ | |
145 | int gtt_entries; /* i830+ */ | |
2162e6a2 DA |
146 | union { |
147 | void __iomem *i9xx_flush_page; | |
148 | void *i8xx_flush_page; | |
149 | }; | |
150 | struct page *i8xx_page; | |
6c00a61e | 151 | struct resource ifp_resource; |
4d64dd9e | 152 | int resource_valid; |
c4ca8817 | 153 | } intel_private; |
1da177e4 LT |
154 | |
155 | static int intel_i810_fetch_size(void) | |
156 | { | |
157 | u32 smram_miscc; | |
158 | struct aper_size_info_fixed *values; | |
159 | ||
160 | pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc); | |
161 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
162 | ||
163 | if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { | |
e3cf6951 | 164 | dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n"); |
1da177e4 LT |
165 | return 0; |
166 | } | |
167 | if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { | |
168 | agp_bridge->previous_size = | |
169 | agp_bridge->current_size = (void *) (values + 1); | |
170 | agp_bridge->aperture_size_idx = 1; | |
171 | return values[1].size; | |
172 | } else { | |
173 | agp_bridge->previous_size = | |
174 | agp_bridge->current_size = (void *) (values); | |
175 | agp_bridge->aperture_size_idx = 0; | |
176 | return values[0].size; | |
177 | } | |
178 | ||
179 | return 0; | |
180 | } | |
181 | ||
182 | static int intel_i810_configure(void) | |
183 | { | |
184 | struct aper_size_info_fixed *current_size; | |
185 | u32 temp; | |
186 | int i; | |
187 | ||
188 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
189 | ||
c4ca8817 WZ |
190 | if (!intel_private.registers) { |
191 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); | |
e4ac5e4f DJ |
192 | temp &= 0xfff80000; |
193 | ||
c4ca8817 WZ |
194 | intel_private.registers = ioremap(temp, 128 * 4096); |
195 | if (!intel_private.registers) { | |
e3cf6951 BH |
196 | dev_err(&intel_private.pcidev->dev, |
197 | "can't remap memory\n"); | |
e4ac5e4f DJ |
198 | return -ENOMEM; |
199 | } | |
1da177e4 LT |
200 | } |
201 | ||
c4ca8817 | 202 | if ((readl(intel_private.registers+I810_DRAM_CTL) |
1da177e4 LT |
203 | & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { |
204 | /* This will need to be dynamically assigned */ | |
e3cf6951 BH |
205 | dev_info(&intel_private.pcidev->dev, |
206 | "detected 4MB dedicated video ram\n"); | |
c4ca8817 | 207 | intel_private.num_dcache_entries = 1024; |
1da177e4 | 208 | } |
c4ca8817 | 209 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 | 210 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
c4ca8817 WZ |
211 | writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
212 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
213 | |
214 | if (agp_bridge->driver->needs_scratch_page) { | |
215 | for (i = 0; i < current_size->num_entries; i++) { | |
c4ca8817 | 216 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 217 | } |
44d49441 | 218 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ |
1da177e4 LT |
219 | } |
220 | global_cache_flush(); | |
221 | return 0; | |
222 | } | |
223 | ||
224 | static void intel_i810_cleanup(void) | |
225 | { | |
c4ca8817 WZ |
226 | writel(0, intel_private.registers+I810_PGETBL_CTL); |
227 | readl(intel_private.registers); /* PCI Posting. */ | |
228 | iounmap(intel_private.registers); | |
1da177e4 LT |
229 | } |
230 | ||
231 | static void intel_i810_tlbflush(struct agp_memory *mem) | |
232 | { | |
233 | return; | |
234 | } | |
235 | ||
236 | static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode) | |
237 | { | |
238 | return; | |
239 | } | |
240 | ||
241 | /* Exists to support ARGB cursors */ | |
242 | static void *i8xx_alloc_pages(void) | |
243 | { | |
f011ae74 | 244 | struct page *page; |
1da177e4 | 245 | |
66c669ba | 246 | page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2); |
1da177e4 LT |
247 | if (page == NULL) |
248 | return NULL; | |
249 | ||
6d238cc4 AV |
250 | if (set_pages_uc(page, 4) < 0) { |
251 | set_pages_wb(page, 4); | |
89cf7ccc | 252 | __free_pages(page, 2); |
1da177e4 LT |
253 | return NULL; |
254 | } | |
1da177e4 | 255 | get_page(page); |
1da177e4 LT |
256 | atomic_inc(&agp_bridge->current_memory_agp); |
257 | return page_address(page); | |
258 | } | |
259 | ||
260 | static void i8xx_destroy_pages(void *addr) | |
261 | { | |
262 | struct page *page; | |
263 | ||
264 | if (addr == NULL) | |
265 | return; | |
266 | ||
267 | page = virt_to_page(addr); | |
6d238cc4 | 268 | set_pages_wb(page, 4); |
1da177e4 | 269 | put_page(page); |
89cf7ccc | 270 | __free_pages(page, 2); |
1da177e4 LT |
271 | atomic_dec(&agp_bridge->current_memory_agp); |
272 | } | |
273 | ||
a030ce44 TH |
274 | static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge, |
275 | int type) | |
276 | { | |
277 | if (type < AGP_USER_TYPES) | |
278 | return type; | |
279 | else if (type == AGP_USER_CACHED_MEMORY) | |
280 | return INTEL_AGP_CACHED_MEMORY; | |
281 | else | |
282 | return 0; | |
283 | } | |
284 | ||
1da177e4 LT |
285 | static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, |
286 | int type) | |
287 | { | |
288 | int i, j, num_entries; | |
289 | void *temp; | |
a030ce44 TH |
290 | int ret = -EINVAL; |
291 | int mask_type; | |
1da177e4 | 292 | |
5aa80c72 | 293 | if (mem->page_count == 0) |
a030ce44 | 294 | goto out; |
5aa80c72 | 295 | |
1da177e4 LT |
296 | temp = agp_bridge->current_size; |
297 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
298 | ||
6a92a4e0 | 299 | if ((pg_start + mem->page_count) > num_entries) |
a030ce44 | 300 | goto out_err; |
6a92a4e0 | 301 | |
1da177e4 | 302 | |
a030ce44 TH |
303 | for (j = pg_start; j < (pg_start + mem->page_count); j++) { |
304 | if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) { | |
305 | ret = -EBUSY; | |
306 | goto out_err; | |
1da177e4 | 307 | } |
1da177e4 LT |
308 | } |
309 | ||
a030ce44 TH |
310 | if (type != mem->type) |
311 | goto out_err; | |
5aa80c72 | 312 | |
a030ce44 TH |
313 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
314 | ||
315 | switch (mask_type) { | |
316 | case AGP_DCACHE_MEMORY: | |
317 | if (!mem->is_flushed) | |
318 | global_cache_flush(); | |
319 | for (i = pg_start; i < (pg_start + mem->page_count); i++) { | |
320 | writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, | |
c4ca8817 | 321 | intel_private.registers+I810_PTE_BASE+(i*4)); |
a030ce44 | 322 | } |
c4ca8817 | 323 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
a030ce44 TH |
324 | break; |
325 | case AGP_PHYS_MEMORY: | |
326 | case AGP_NORMAL_MEMORY: | |
327 | if (!mem->is_flushed) | |
328 | global_cache_flush(); | |
329 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
330 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
331 | mem->memory[i], | |
332 | mask_type), | |
c4ca8817 | 333 | intel_private.registers+I810_PTE_BASE+(j*4)); |
a030ce44 | 334 | } |
c4ca8817 | 335 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
a030ce44 TH |
336 | break; |
337 | default: | |
338 | goto out_err; | |
1da177e4 | 339 | } |
1da177e4 LT |
340 | |
341 | agp_bridge->driver->tlb_flush(mem); | |
a030ce44 TH |
342 | out: |
343 | ret = 0; | |
344 | out_err: | |
9516b030 | 345 | mem->is_flushed = true; |
a030ce44 | 346 | return ret; |
1da177e4 LT |
347 | } |
348 | ||
349 | static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, | |
350 | int type) | |
351 | { | |
352 | int i; | |
353 | ||
5aa80c72 TH |
354 | if (mem->page_count == 0) |
355 | return 0; | |
356 | ||
1da177e4 | 357 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
c4ca8817 | 358 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 359 | } |
c4ca8817 | 360 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 361 | |
1da177e4 LT |
362 | agp_bridge->driver->tlb_flush(mem); |
363 | return 0; | |
364 | } | |
365 | ||
366 | /* | |
367 | * The i810/i830 requires a physical address to program its mouse | |
368 | * pointer into hardware. | |
369 | * However the Xserver still writes to it through the agp aperture. | |
370 | */ | |
371 | static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type) | |
372 | { | |
373 | struct agp_memory *new; | |
374 | void *addr; | |
375 | ||
1da177e4 LT |
376 | switch (pg_count) { |
377 | case 1: addr = agp_bridge->driver->agp_alloc_page(agp_bridge); | |
378 | break; | |
379 | case 4: | |
380 | /* kludge to get 4 physical pages for ARGB cursor */ | |
381 | addr = i8xx_alloc_pages(); | |
382 | break; | |
383 | default: | |
384 | return NULL; | |
385 | } | |
386 | ||
387 | if (addr == NULL) | |
388 | return NULL; | |
389 | ||
390 | new = agp_create_memory(pg_count); | |
391 | if (new == NULL) | |
392 | return NULL; | |
393 | ||
07eee78e | 394 | new->memory[0] = virt_to_gart(addr); |
1da177e4 LT |
395 | if (pg_count == 4) { |
396 | /* kludge to get 4 physical pages for ARGB cursor */ | |
397 | new->memory[1] = new->memory[0] + PAGE_SIZE; | |
398 | new->memory[2] = new->memory[1] + PAGE_SIZE; | |
399 | new->memory[3] = new->memory[2] + PAGE_SIZE; | |
400 | } | |
401 | new->page_count = pg_count; | |
402 | new->num_scratch_pages = pg_count; | |
403 | new->type = AGP_PHYS_MEMORY; | |
404 | new->physical = new->memory[0]; | |
405 | return new; | |
406 | } | |
407 | ||
408 | static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) | |
409 | { | |
410 | struct agp_memory *new; | |
411 | ||
412 | if (type == AGP_DCACHE_MEMORY) { | |
c4ca8817 | 413 | if (pg_count != intel_private.num_dcache_entries) |
1da177e4 LT |
414 | return NULL; |
415 | ||
416 | new = agp_create_memory(1); | |
417 | if (new == NULL) | |
418 | return NULL; | |
419 | ||
420 | new->type = AGP_DCACHE_MEMORY; | |
421 | new->page_count = pg_count; | |
422 | new->num_scratch_pages = 0; | |
a030ce44 | 423 | agp_free_page_array(new); |
1da177e4 LT |
424 | return new; |
425 | } | |
426 | if (type == AGP_PHYS_MEMORY) | |
427 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
428 | return NULL; |
429 | } | |
430 | ||
431 | static void intel_i810_free_by_type(struct agp_memory *curr) | |
432 | { | |
433 | agp_free_key(curr->key); | |
6a92a4e0 | 434 | if (curr->type == AGP_PHYS_MEMORY) { |
1da177e4 | 435 | if (curr->page_count == 4) |
07eee78e | 436 | i8xx_destroy_pages(gart_to_virt(curr->memory[0])); |
88d51967 | 437 | else { |
da503fa6 JB |
438 | void *va = gart_to_virt(curr->memory[0]); |
439 | ||
440 | agp_bridge->driver->agp_destroy_page(va, | |
a2721e99 | 441 | AGP_PAGE_DESTROY_UNMAP); |
da503fa6 | 442 | agp_bridge->driver->agp_destroy_page(va, |
a2721e99 | 443 | AGP_PAGE_DESTROY_FREE); |
88d51967 | 444 | } |
a030ce44 | 445 | agp_free_page_array(curr); |
1da177e4 LT |
446 | } |
447 | kfree(curr); | |
448 | } | |
449 | ||
450 | static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge, | |
451 | unsigned long addr, int type) | |
452 | { | |
453 | /* Type checking must be done elsewhere */ | |
454 | return addr | bridge->driver->masks[type].mask; | |
455 | } | |
456 | ||
457 | static struct aper_size_info_fixed intel_i830_sizes[] = | |
458 | { | |
459 | {128, 32768, 5}, | |
460 | /* The 64M mode still requires a 128k gatt */ | |
461 | {64, 16384, 5}, | |
462 | {256, 65536, 6}, | |
65c25aad | 463 | {512, 131072, 7}, |
1da177e4 LT |
464 | }; |
465 | ||
1da177e4 LT |
466 | static void intel_i830_init_gtt_entries(void) |
467 | { | |
468 | u16 gmch_ctrl; | |
469 | int gtt_entries; | |
470 | u8 rdct; | |
471 | int local = 0; | |
472 | static const int ddt[4] = { 0, 16, 32, 64 }; | |
c41e0deb | 473 | int size; /* reserved space (in kb) at the top of stolen memory */ |
1da177e4 | 474 | |
f011ae74 | 475 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 476 | |
c41e0deb EA |
477 | if (IS_I965) { |
478 | u32 pgetbl_ctl; | |
c4ca8817 | 479 | pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); |
c41e0deb | 480 | |
c41e0deb EA |
481 | /* The 965 has a field telling us the size of the GTT, |
482 | * which may be larger than what is necessary to map the | |
483 | * aperture. | |
484 | */ | |
485 | switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { | |
486 | case I965_PGETBL_SIZE_128KB: | |
487 | size = 128; | |
488 | break; | |
489 | case I965_PGETBL_SIZE_256KB: | |
490 | size = 256; | |
491 | break; | |
492 | case I965_PGETBL_SIZE_512KB: | |
493 | size = 512; | |
494 | break; | |
4e8b6e25 ZW |
495 | case I965_PGETBL_SIZE_1MB: |
496 | size = 1024; | |
497 | break; | |
498 | case I965_PGETBL_SIZE_2MB: | |
499 | size = 2048; | |
500 | break; | |
501 | case I965_PGETBL_SIZE_1_5MB: | |
502 | size = 1024 + 512; | |
503 | break; | |
c41e0deb | 504 | default: |
e3cf6951 BH |
505 | dev_info(&intel_private.pcidev->dev, |
506 | "unknown page table size, assuming 512KB\n"); | |
c41e0deb EA |
507 | size = 512; |
508 | } | |
509 | size += 4; /* add in BIOS popup space */ | |
874808c6 WZ |
510 | } else if (IS_G33) { |
511 | /* G33's GTT size defined in gmch_ctrl */ | |
512 | switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) { | |
513 | case G33_PGETBL_SIZE_1M: | |
514 | size = 1024; | |
515 | break; | |
516 | case G33_PGETBL_SIZE_2M: | |
517 | size = 2048; | |
518 | break; | |
519 | default: | |
e3cf6951 BH |
520 | dev_info(&agp_bridge->dev->dev, |
521 | "unknown page table size 0x%x, assuming 512KB\n", | |
874808c6 WZ |
522 | (gmch_ctrl & G33_PGETBL_SIZE_MASK)); |
523 | size = 512; | |
524 | } | |
525 | size += 4; | |
25ce77ab ZW |
526 | } else if (IS_G4X) { |
527 | /* On 4 series hardware, GTT stolen is separate from graphics | |
82e14a62 EA |
528 | * stolen, ignore it in stolen gtt entries counting. However, |
529 | * 4KB of the stolen memory doesn't get mapped to the GTT. | |
530 | */ | |
531 | size = 4; | |
c41e0deb EA |
532 | } else { |
533 | /* On previous hardware, the GTT size was just what was | |
534 | * required to map the aperture. | |
535 | */ | |
536 | size = agp_bridge->driver->fetch_size() + 4; | |
537 | } | |
1da177e4 LT |
538 | |
539 | if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || | |
540 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { | |
541 | switch (gmch_ctrl & I830_GMCH_GMS_MASK) { | |
542 | case I830_GMCH_GMS_STOLEN_512: | |
543 | gtt_entries = KB(512) - KB(size); | |
544 | break; | |
545 | case I830_GMCH_GMS_STOLEN_1024: | |
546 | gtt_entries = MB(1) - KB(size); | |
547 | break; | |
548 | case I830_GMCH_GMS_STOLEN_8192: | |
549 | gtt_entries = MB(8) - KB(size); | |
550 | break; | |
551 | case I830_GMCH_GMS_LOCAL: | |
c4ca8817 | 552 | rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); |
1da177e4 LT |
553 | gtt_entries = (I830_RDRAM_ND(rdct) + 1) * |
554 | MB(ddt[I830_RDRAM_DDT(rdct)]); | |
555 | local = 1; | |
556 | break; | |
557 | default: | |
558 | gtt_entries = 0; | |
559 | break; | |
560 | } | |
561 | } else { | |
e67aa27a | 562 | switch (gmch_ctrl & I855_GMCH_GMS_MASK) { |
1da177e4 LT |
563 | case I855_GMCH_GMS_STOLEN_1M: |
564 | gtt_entries = MB(1) - KB(size); | |
565 | break; | |
566 | case I855_GMCH_GMS_STOLEN_4M: | |
567 | gtt_entries = MB(4) - KB(size); | |
568 | break; | |
569 | case I855_GMCH_GMS_STOLEN_8M: | |
570 | gtt_entries = MB(8) - KB(size); | |
571 | break; | |
572 | case I855_GMCH_GMS_STOLEN_16M: | |
573 | gtt_entries = MB(16) - KB(size); | |
574 | break; | |
575 | case I855_GMCH_GMS_STOLEN_32M: | |
576 | gtt_entries = MB(32) - KB(size); | |
577 | break; | |
578 | case I915_GMCH_GMS_STOLEN_48M: | |
579 | /* Check it's really I915G */ | |
25ce77ab | 580 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
581 | gtt_entries = MB(48) - KB(size); |
582 | else | |
583 | gtt_entries = 0; | |
584 | break; | |
585 | case I915_GMCH_GMS_STOLEN_64M: | |
586 | /* Check it's really I915G */ | |
25ce77ab | 587 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
588 | gtt_entries = MB(64) - KB(size); |
589 | else | |
590 | gtt_entries = 0; | |
874808c6 WZ |
591 | break; |
592 | case G33_GMCH_GMS_STOLEN_128M: | |
25ce77ab | 593 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
594 | gtt_entries = MB(128) - KB(size); |
595 | else | |
596 | gtt_entries = 0; | |
597 | break; | |
598 | case G33_GMCH_GMS_STOLEN_256M: | |
25ce77ab | 599 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
600 | gtt_entries = MB(256) - KB(size); |
601 | else | |
602 | gtt_entries = 0; | |
603 | break; | |
25ce77ab ZW |
604 | case INTEL_GMCH_GMS_STOLEN_96M: |
605 | if (IS_I965 || IS_G4X) | |
606 | gtt_entries = MB(96) - KB(size); | |
607 | else | |
608 | gtt_entries = 0; | |
609 | break; | |
610 | case INTEL_GMCH_GMS_STOLEN_160M: | |
611 | if (IS_I965 || IS_G4X) | |
612 | gtt_entries = MB(160) - KB(size); | |
613 | else | |
614 | gtt_entries = 0; | |
615 | break; | |
616 | case INTEL_GMCH_GMS_STOLEN_224M: | |
617 | if (IS_I965 || IS_G4X) | |
618 | gtt_entries = MB(224) - KB(size); | |
619 | else | |
620 | gtt_entries = 0; | |
621 | break; | |
622 | case INTEL_GMCH_GMS_STOLEN_352M: | |
623 | if (IS_I965 || IS_G4X) | |
624 | gtt_entries = MB(352) - KB(size); | |
625 | else | |
626 | gtt_entries = 0; | |
627 | break; | |
1da177e4 LT |
628 | default: |
629 | gtt_entries = 0; | |
630 | break; | |
631 | } | |
632 | } | |
633 | if (gtt_entries > 0) | |
e3cf6951 | 634 | dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n", |
1da177e4 LT |
635 | gtt_entries / KB(1), local ? "local" : "stolen"); |
636 | else | |
e3cf6951 BH |
637 | dev_info(&agp_bridge->dev->dev, |
638 | "no pre-allocated video memory detected\n"); | |
1da177e4 LT |
639 | gtt_entries /= KB(4); |
640 | ||
c4ca8817 | 641 | intel_private.gtt_entries = gtt_entries; |
1da177e4 LT |
642 | } |
643 | ||
2162e6a2 DA |
644 | static void intel_i830_fini_flush(void) |
645 | { | |
646 | kunmap(intel_private.i8xx_page); | |
647 | intel_private.i8xx_flush_page = NULL; | |
648 | unmap_page_from_agp(intel_private.i8xx_page); | |
2162e6a2 DA |
649 | |
650 | __free_page(intel_private.i8xx_page); | |
4d64dd9e | 651 | intel_private.i8xx_page = NULL; |
2162e6a2 DA |
652 | } |
653 | ||
654 | static void intel_i830_setup_flush(void) | |
655 | { | |
4d64dd9e DA |
656 | /* return if we've already set the flush mechanism up */ |
657 | if (intel_private.i8xx_page) | |
658 | return; | |
2162e6a2 DA |
659 | |
660 | intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); | |
f011ae74 | 661 | if (!intel_private.i8xx_page) |
2162e6a2 | 662 | return; |
2162e6a2 DA |
663 | |
664 | /* make page uncached */ | |
665 | map_page_into_agp(intel_private.i8xx_page); | |
2162e6a2 DA |
666 | |
667 | intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); | |
668 | if (!intel_private.i8xx_flush_page) | |
669 | intel_i830_fini_flush(); | |
670 | } | |
671 | ||
672 | static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) | |
673 | { | |
674 | unsigned int *pg = intel_private.i8xx_flush_page; | |
675 | int i; | |
676 | ||
f011ae74 | 677 | for (i = 0; i < 256; i += 2) |
2162e6a2 | 678 | *(pg + i) = i; |
f011ae74 | 679 | |
2162e6a2 DA |
680 | wmb(); |
681 | } | |
682 | ||
1da177e4 LT |
683 | /* The intel i830 automatically initializes the agp aperture during POST. |
684 | * Use the memory already set aside for in the GTT. | |
685 | */ | |
686 | static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) | |
687 | { | |
688 | int page_order; | |
689 | struct aper_size_info_fixed *size; | |
690 | int num_entries; | |
691 | u32 temp; | |
692 | ||
693 | size = agp_bridge->current_size; | |
694 | page_order = size->page_order; | |
695 | num_entries = size->num_entries; | |
696 | agp_bridge->gatt_table_real = NULL; | |
697 | ||
f011ae74 | 698 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); |
1da177e4 LT |
699 | temp &= 0xfff80000; |
700 | ||
f011ae74 | 701 | intel_private.registers = ioremap(temp, 128 * 4096); |
c4ca8817 | 702 | if (!intel_private.registers) |
1da177e4 LT |
703 | return -ENOMEM; |
704 | ||
c4ca8817 | 705 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
706 | global_cache_flush(); /* FIXME: ?? */ |
707 | ||
708 | /* we have to call this as early as possible after the MMIO base address is known */ | |
709 | intel_i830_init_gtt_entries(); | |
710 | ||
711 | agp_bridge->gatt_table = NULL; | |
712 | ||
713 | agp_bridge->gatt_bus_addr = temp; | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
718 | /* Return the gatt table to a sane state. Use the top of stolen | |
719 | * memory for the GTT. | |
720 | */ | |
721 | static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge) | |
722 | { | |
723 | return 0; | |
724 | } | |
725 | ||
726 | static int intel_i830_fetch_size(void) | |
727 | { | |
728 | u16 gmch_ctrl; | |
729 | struct aper_size_info_fixed *values; | |
730 | ||
731 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
732 | ||
733 | if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB && | |
734 | agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) { | |
735 | /* 855GM/852GM/865G has 128MB aperture size */ | |
736 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
737 | agp_bridge->aperture_size_idx = 0; | |
738 | return values[0].size; | |
739 | } | |
740 | ||
f011ae74 | 741 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 LT |
742 | |
743 | if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { | |
744 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
745 | agp_bridge->aperture_size_idx = 0; | |
746 | return values[0].size; | |
747 | } else { | |
748 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1); | |
749 | agp_bridge->aperture_size_idx = 1; | |
750 | return values[1].size; | |
751 | } | |
752 | ||
753 | return 0; | |
754 | } | |
755 | ||
756 | static int intel_i830_configure(void) | |
757 | { | |
758 | struct aper_size_info_fixed *current_size; | |
759 | u32 temp; | |
760 | u16 gmch_ctrl; | |
761 | int i; | |
762 | ||
763 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
764 | ||
f011ae74 | 765 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 LT |
766 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
767 | ||
f011ae74 | 768 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 769 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 770 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 771 | |
c4ca8817 WZ |
772 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
773 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
774 | |
775 | if (agp_bridge->driver->needs_scratch_page) { | |
c4ca8817 WZ |
776 | for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { |
777 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); | |
1da177e4 | 778 | } |
44d49441 | 779 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ |
1da177e4 LT |
780 | } |
781 | ||
782 | global_cache_flush(); | |
2162e6a2 DA |
783 | |
784 | intel_i830_setup_flush(); | |
1da177e4 LT |
785 | return 0; |
786 | } | |
787 | ||
788 | static void intel_i830_cleanup(void) | |
789 | { | |
c4ca8817 | 790 | iounmap(intel_private.registers); |
1da177e4 LT |
791 | } |
792 | ||
f011ae74 DA |
793 | static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, |
794 | int type) | |
1da177e4 | 795 | { |
f011ae74 | 796 | int i, j, num_entries; |
1da177e4 | 797 | void *temp; |
a030ce44 TH |
798 | int ret = -EINVAL; |
799 | int mask_type; | |
1da177e4 | 800 | |
5aa80c72 | 801 | if (mem->page_count == 0) |
a030ce44 | 802 | goto out; |
5aa80c72 | 803 | |
1da177e4 LT |
804 | temp = agp_bridge->current_size; |
805 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
806 | ||
c4ca8817 | 807 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
808 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
809 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
810 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 811 | |
e3cf6951 BH |
812 | dev_info(&intel_private.pcidev->dev, |
813 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 814 | goto out_err; |
1da177e4 LT |
815 | } |
816 | ||
817 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 818 | goto out_err; |
1da177e4 LT |
819 | |
820 | /* The i830 can't check the GTT for entries since its read only, | |
821 | * depend on the caller to make the correct offset decisions. | |
822 | */ | |
823 | ||
a030ce44 TH |
824 | if (type != mem->type) |
825 | goto out_err; | |
826 | ||
827 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 828 | |
a030ce44 TH |
829 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
830 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
831 | goto out_err; | |
832 | ||
833 | if (!mem->is_flushed) | |
5aa80c72 | 834 | global_cache_flush(); |
1da177e4 LT |
835 | |
836 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
837 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
a030ce44 | 838 | mem->memory[i], mask_type), |
c4ca8817 | 839 | intel_private.registers+I810_PTE_BASE+(j*4)); |
1da177e4 | 840 | } |
c4ca8817 | 841 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
1da177e4 | 842 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
843 | |
844 | out: | |
845 | ret = 0; | |
846 | out_err: | |
9516b030 | 847 | mem->is_flushed = true; |
a030ce44 | 848 | return ret; |
1da177e4 LT |
849 | } |
850 | ||
f011ae74 DA |
851 | static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, |
852 | int type) | |
1da177e4 LT |
853 | { |
854 | int i; | |
855 | ||
5aa80c72 TH |
856 | if (mem->page_count == 0) |
857 | return 0; | |
1da177e4 | 858 | |
c4ca8817 | 859 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
860 | dev_info(&intel_private.pcidev->dev, |
861 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
862 | return -EINVAL; |
863 | } | |
864 | ||
865 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { | |
c4ca8817 | 866 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 867 | } |
c4ca8817 | 868 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 869 | |
1da177e4 LT |
870 | agp_bridge->driver->tlb_flush(mem); |
871 | return 0; | |
872 | } | |
873 | ||
f011ae74 | 874 | static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type) |
1da177e4 LT |
875 | { |
876 | if (type == AGP_PHYS_MEMORY) | |
877 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
878 | /* always return NULL for other allocation types for now */ |
879 | return NULL; | |
880 | } | |
881 | ||
6c00a61e DA |
882 | static int intel_alloc_chipset_flush_resource(void) |
883 | { | |
884 | int ret; | |
885 | ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE, | |
886 | PAGE_SIZE, PCIBIOS_MIN_MEM, 0, | |
887 | pcibios_align_resource, agp_bridge->dev); | |
6c00a61e | 888 | |
2162e6a2 | 889 | return ret; |
6c00a61e DA |
890 | } |
891 | ||
892 | static void intel_i915_setup_chipset_flush(void) | |
893 | { | |
894 | int ret; | |
895 | u32 temp; | |
896 | ||
897 | pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp); | |
898 | if (!(temp & 0x1)) { | |
899 | intel_alloc_chipset_flush_resource(); | |
4d64dd9e | 900 | intel_private.resource_valid = 1; |
6c00a61e DA |
901 | pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
902 | } else { | |
903 | temp &= ~1; | |
904 | ||
4d64dd9e | 905 | intel_private.resource_valid = 1; |
6c00a61e DA |
906 | intel_private.ifp_resource.start = temp; |
907 | intel_private.ifp_resource.end = temp + PAGE_SIZE; | |
908 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
909 | /* some BIOSes reserve this area in a pnp some don't */ |
910 | if (ret) | |
911 | intel_private.resource_valid = 0; | |
6c00a61e DA |
912 | } |
913 | } | |
914 | ||
915 | static void intel_i965_g33_setup_chipset_flush(void) | |
916 | { | |
917 | u32 temp_hi, temp_lo; | |
918 | int ret; | |
919 | ||
920 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi); | |
921 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo); | |
922 | ||
923 | if (!(temp_lo & 0x1)) { | |
924 | ||
925 | intel_alloc_chipset_flush_resource(); | |
926 | ||
4d64dd9e | 927 | intel_private.resource_valid = 1; |
1fa4db7d AM |
928 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4, |
929 | upper_32_bits(intel_private.ifp_resource.start)); | |
6c00a61e | 930 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
6c00a61e DA |
931 | } else { |
932 | u64 l64; | |
f011ae74 | 933 | |
6c00a61e DA |
934 | temp_lo &= ~0x1; |
935 | l64 = ((u64)temp_hi << 32) | temp_lo; | |
936 | ||
4d64dd9e | 937 | intel_private.resource_valid = 1; |
6c00a61e DA |
938 | intel_private.ifp_resource.start = l64; |
939 | intel_private.ifp_resource.end = l64 + PAGE_SIZE; | |
940 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
941 | /* some BIOSes reserve this area in a pnp some don't */ |
942 | if (ret) | |
943 | intel_private.resource_valid = 0; | |
6c00a61e DA |
944 | } |
945 | } | |
946 | ||
2162e6a2 DA |
947 | static void intel_i9xx_setup_flush(void) |
948 | { | |
4d64dd9e DA |
949 | /* return if already configured */ |
950 | if (intel_private.ifp_resource.start) | |
951 | return; | |
2162e6a2 | 952 | |
4d64dd9e | 953 | /* setup a resource for this object */ |
2162e6a2 DA |
954 | intel_private.ifp_resource.name = "Intel Flush Page"; |
955 | intel_private.ifp_resource.flags = IORESOURCE_MEM; | |
956 | ||
957 | /* Setup chipset flush for 915 */ | |
7d15ddf7 | 958 | if (IS_I965 || IS_G33 || IS_G4X) { |
2162e6a2 DA |
959 | intel_i965_g33_setup_chipset_flush(); |
960 | } else { | |
961 | intel_i915_setup_chipset_flush(); | |
962 | } | |
963 | ||
964 | if (intel_private.ifp_resource.start) { | |
965 | intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); | |
966 | if (!intel_private.i9xx_flush_page) | |
e3cf6951 | 967 | dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing"); |
2162e6a2 DA |
968 | } |
969 | } | |
970 | ||
1da177e4 LT |
971 | static int intel_i915_configure(void) |
972 | { | |
973 | struct aper_size_info_fixed *current_size; | |
974 | u32 temp; | |
975 | u16 gmch_ctrl; | |
976 | int i; | |
977 | ||
978 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
979 | ||
c4ca8817 | 980 | pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp); |
1da177e4 LT |
981 | |
982 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
983 | ||
f011ae74 | 984 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 985 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 986 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 987 | |
c4ca8817 WZ |
988 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
989 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
990 | |
991 | if (agp_bridge->driver->needs_scratch_page) { | |
c4ca8817 WZ |
992 | for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { |
993 | writel(agp_bridge->scratch_page, intel_private.gtt+i); | |
1da177e4 | 994 | } |
44d49441 | 995 | readl(intel_private.gtt+i-1); /* PCI Posting. */ |
1da177e4 LT |
996 | } |
997 | ||
998 | global_cache_flush(); | |
6c00a61e | 999 | |
2162e6a2 | 1000 | intel_i9xx_setup_flush(); |
f011ae74 | 1001 | |
1da177e4 LT |
1002 | return 0; |
1003 | } | |
1004 | ||
1005 | static void intel_i915_cleanup(void) | |
1006 | { | |
2162e6a2 DA |
1007 | if (intel_private.i9xx_flush_page) |
1008 | iounmap(intel_private.i9xx_flush_page); | |
4d64dd9e DA |
1009 | if (intel_private.resource_valid) |
1010 | release_resource(&intel_private.ifp_resource); | |
1011 | intel_private.ifp_resource.start = 0; | |
1012 | intel_private.resource_valid = 0; | |
c4ca8817 WZ |
1013 | iounmap(intel_private.gtt); |
1014 | iounmap(intel_private.registers); | |
1da177e4 LT |
1015 | } |
1016 | ||
6c00a61e DA |
1017 | static void intel_i915_chipset_flush(struct agp_bridge_data *bridge) |
1018 | { | |
2162e6a2 DA |
1019 | if (intel_private.i9xx_flush_page) |
1020 | writel(1, intel_private.i9xx_flush_page); | |
6c00a61e DA |
1021 | } |
1022 | ||
f011ae74 DA |
1023 | static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, |
1024 | int type) | |
1da177e4 | 1025 | { |
f011ae74 | 1026 | int i, j, num_entries; |
1da177e4 | 1027 | void *temp; |
a030ce44 TH |
1028 | int ret = -EINVAL; |
1029 | int mask_type; | |
1da177e4 | 1030 | |
5aa80c72 | 1031 | if (mem->page_count == 0) |
a030ce44 | 1032 | goto out; |
5aa80c72 | 1033 | |
1da177e4 LT |
1034 | temp = agp_bridge->current_size; |
1035 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
1036 | ||
c4ca8817 | 1037 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1038 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
1039 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
1040 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 1041 | |
e3cf6951 BH |
1042 | dev_info(&intel_private.pcidev->dev, |
1043 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 1044 | goto out_err; |
1da177e4 LT |
1045 | } |
1046 | ||
1047 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 1048 | goto out_err; |
1da177e4 | 1049 | |
a030ce44 | 1050 | /* The i915 can't check the GTT for entries since its read only, |
1da177e4 LT |
1051 | * depend on the caller to make the correct offset decisions. |
1052 | */ | |
1053 | ||
a030ce44 TH |
1054 | if (type != mem->type) |
1055 | goto out_err; | |
1056 | ||
1057 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 1058 | |
a030ce44 TH |
1059 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
1060 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
1061 | goto out_err; | |
1062 | ||
1063 | if (!mem->is_flushed) | |
5aa80c72 | 1064 | global_cache_flush(); |
1da177e4 LT |
1065 | |
1066 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
1067 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
c4ca8817 | 1068 | mem->memory[i], mask_type), intel_private.gtt+j); |
1da177e4 LT |
1069 | } |
1070 | ||
c4ca8817 | 1071 | readl(intel_private.gtt+j-1); |
1da177e4 | 1072 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
1073 | |
1074 | out: | |
1075 | ret = 0; | |
1076 | out_err: | |
9516b030 | 1077 | mem->is_flushed = true; |
a030ce44 | 1078 | return ret; |
1da177e4 LT |
1079 | } |
1080 | ||
f011ae74 DA |
1081 | static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, |
1082 | int type) | |
1da177e4 LT |
1083 | { |
1084 | int i; | |
1085 | ||
5aa80c72 TH |
1086 | if (mem->page_count == 0) |
1087 | return 0; | |
1da177e4 | 1088 | |
c4ca8817 | 1089 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1090 | dev_info(&intel_private.pcidev->dev, |
1091 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
1092 | return -EINVAL; |
1093 | } | |
1094 | ||
f011ae74 | 1095 | for (i = pg_start; i < (mem->page_count + pg_start); i++) |
c4ca8817 | 1096 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
f011ae74 | 1097 | |
c4ca8817 | 1098 | readl(intel_private.gtt+i-1); |
1da177e4 | 1099 | |
1da177e4 LT |
1100 | agp_bridge->driver->tlb_flush(mem); |
1101 | return 0; | |
1102 | } | |
1103 | ||
c41e0deb EA |
1104 | /* Return the aperture size by just checking the resource length. The effect |
1105 | * described in the spec of the MSAC registers is just changing of the | |
1106 | * resource size. | |
1107 | */ | |
1108 | static int intel_i9xx_fetch_size(void) | |
1da177e4 | 1109 | { |
1eaf122c | 1110 | int num_sizes = ARRAY_SIZE(intel_i830_sizes); |
c41e0deb EA |
1111 | int aper_size; /* size in megabytes */ |
1112 | int i; | |
1da177e4 | 1113 | |
c4ca8817 | 1114 | aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1); |
1da177e4 | 1115 | |
c41e0deb EA |
1116 | for (i = 0; i < num_sizes; i++) { |
1117 | if (aper_size == intel_i830_sizes[i].size) { | |
1118 | agp_bridge->current_size = intel_i830_sizes + i; | |
1119 | agp_bridge->previous_size = agp_bridge->current_size; | |
1120 | return aper_size; | |
1121 | } | |
1122 | } | |
1da177e4 | 1123 | |
c41e0deb | 1124 | return 0; |
1da177e4 LT |
1125 | } |
1126 | ||
1127 | /* The intel i915 automatically initializes the agp aperture during POST. | |
1128 | * Use the memory already set aside for in the GTT. | |
1129 | */ | |
1130 | static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) | |
1131 | { | |
1132 | int page_order; | |
1133 | struct aper_size_info_fixed *size; | |
1134 | int num_entries; | |
1135 | u32 temp, temp2; | |
4740622c | 1136 | int gtt_map_size = 256 * 1024; |
1da177e4 LT |
1137 | |
1138 | size = agp_bridge->current_size; | |
1139 | page_order = size->page_order; | |
1140 | num_entries = size->num_entries; | |
1141 | agp_bridge->gatt_table_real = NULL; | |
1142 | ||
c4ca8817 | 1143 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
f011ae74 | 1144 | pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2); |
1da177e4 | 1145 | |
4740622c ZW |
1146 | if (IS_G33) |
1147 | gtt_map_size = 1024 * 1024; /* 1M on G33 */ | |
1148 | intel_private.gtt = ioremap(temp2, gtt_map_size); | |
c4ca8817 | 1149 | if (!intel_private.gtt) |
1da177e4 LT |
1150 | return -ENOMEM; |
1151 | ||
1152 | temp &= 0xfff80000; | |
1153 | ||
f011ae74 | 1154 | intel_private.registers = ioremap(temp, 128 * 4096); |
5bdbc7dc ST |
1155 | if (!intel_private.registers) { |
1156 | iounmap(intel_private.gtt); | |
1da177e4 | 1157 | return -ENOMEM; |
5bdbc7dc | 1158 | } |
1da177e4 | 1159 | |
c4ca8817 | 1160 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
1161 | global_cache_flush(); /* FIXME: ? */ |
1162 | ||
1163 | /* we have to call this as early as possible after the MMIO base address is known */ | |
1164 | intel_i830_init_gtt_entries(); | |
1165 | ||
1166 | agp_bridge->gatt_table = NULL; | |
1167 | ||
1168 | agp_bridge->gatt_bus_addr = temp; | |
1169 | ||
1170 | return 0; | |
1171 | } | |
7d915a38 LT |
1172 | |
1173 | /* | |
1174 | * The i965 supports 36-bit physical addresses, but to keep | |
1175 | * the format of the GTT the same, the bits that don't fit | |
1176 | * in a 32-bit word are shifted down to bits 4..7. | |
1177 | * | |
1178 | * Gcc is smart enough to notice that "(addr >> 28) & 0xf0" | |
1179 | * is always zero on 32-bit architectures, so no need to make | |
1180 | * this conditional. | |
1181 | */ | |
1182 | static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, | |
1183 | unsigned long addr, int type) | |
1184 | { | |
1185 | /* Shift high bits down */ | |
1186 | addr |= (addr >> 28) & 0xf0; | |
1187 | ||
1188 | /* Type checking must be done elsewhere */ | |
1189 | return addr | bridge->driver->masks[type].mask; | |
1190 | } | |
1191 | ||
25ce77ab ZW |
1192 | static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) |
1193 | { | |
1194 | switch (agp_bridge->dev->device) { | |
99d32bd5 | 1195 | case PCI_DEVICE_ID_INTEL_GM45_HB: |
25ce77ab ZW |
1196 | case PCI_DEVICE_ID_INTEL_IGD_E_HB: |
1197 | case PCI_DEVICE_ID_INTEL_Q45_HB: | |
1198 | case PCI_DEVICE_ID_INTEL_G45_HB: | |
1199 | *gtt_offset = *gtt_size = MB(2); | |
1200 | break; | |
1201 | default: | |
1202 | *gtt_offset = *gtt_size = KB(512); | |
1203 | } | |
1204 | } | |
1205 | ||
65c25aad | 1206 | /* The intel i965 automatically initializes the agp aperture during POST. |
c41e0deb EA |
1207 | * Use the memory already set aside for in the GTT. |
1208 | */ | |
65c25aad EA |
1209 | static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) |
1210 | { | |
62c96b9d DA |
1211 | int page_order; |
1212 | struct aper_size_info_fixed *size; | |
1213 | int num_entries; | |
1214 | u32 temp; | |
1215 | int gtt_offset, gtt_size; | |
65c25aad | 1216 | |
62c96b9d DA |
1217 | size = agp_bridge->current_size; |
1218 | page_order = size->page_order; | |
1219 | num_entries = size->num_entries; | |
1220 | agp_bridge->gatt_table_real = NULL; | |
65c25aad | 1221 | |
62c96b9d | 1222 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
65c25aad | 1223 | |
62c96b9d | 1224 | temp &= 0xfff00000; |
65c25aad | 1225 | |
25ce77ab | 1226 | intel_i965_get_gtt_range(>t_offset, >t_size); |
4e8b6e25 | 1227 | |
62c96b9d | 1228 | intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); |
65c25aad | 1229 | |
62c96b9d DA |
1230 | if (!intel_private.gtt) |
1231 | return -ENOMEM; | |
65c25aad | 1232 | |
62c96b9d DA |
1233 | intel_private.registers = ioremap(temp, 128 * 4096); |
1234 | if (!intel_private.registers) { | |
5bdbc7dc ST |
1235 | iounmap(intel_private.gtt); |
1236 | return -ENOMEM; | |
1237 | } | |
65c25aad | 1238 | |
62c96b9d DA |
1239 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1240 | global_cache_flush(); /* FIXME: ? */ | |
65c25aad | 1241 | |
62c96b9d DA |
1242 | /* we have to call this as early as possible after the MMIO base address is known */ |
1243 | intel_i830_init_gtt_entries(); | |
65c25aad | 1244 | |
62c96b9d | 1245 | agp_bridge->gatt_table = NULL; |
65c25aad | 1246 | |
62c96b9d | 1247 | agp_bridge->gatt_bus_addr = temp; |
65c25aad | 1248 | |
62c96b9d | 1249 | return 0; |
65c25aad EA |
1250 | } |
1251 | ||
1da177e4 LT |
1252 | |
1253 | static int intel_fetch_size(void) | |
1254 | { | |
1255 | int i; | |
1256 | u16 temp; | |
1257 | struct aper_size_info_16 *values; | |
1258 | ||
1259 | pci_read_config_word(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1260 | values = A_SIZE_16(agp_bridge->driver->aperture_sizes); | |
1261 | ||
1262 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1263 | if (temp == values[i].size_value) { | |
1264 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); | |
1265 | agp_bridge->aperture_size_idx = i; | |
1266 | return values[i].size; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | static int __intel_8xx_fetch_size(u8 temp) | |
1274 | { | |
1275 | int i; | |
1276 | struct aper_size_info_8 *values; | |
1277 | ||
1278 | values = A_SIZE_8(agp_bridge->driver->aperture_sizes); | |
1279 | ||
1280 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1281 | if (temp == values[i].size_value) { | |
1282 | agp_bridge->previous_size = | |
1283 | agp_bridge->current_size = (void *) (values + i); | |
1284 | agp_bridge->aperture_size_idx = i; | |
1285 | return values[i].size; | |
1286 | } | |
1287 | } | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | static int intel_8xx_fetch_size(void) | |
1292 | { | |
1293 | u8 temp; | |
1294 | ||
1295 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1296 | return __intel_8xx_fetch_size(temp); | |
1297 | } | |
1298 | ||
1299 | static int intel_815_fetch_size(void) | |
1300 | { | |
1301 | u8 temp; | |
1302 | ||
1303 | /* Intel 815 chipsets have a _weird_ APSIZE register with only | |
1304 | * one non-reserved bit, so mask the others out ... */ | |
1305 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1306 | temp &= (1 << 3); | |
1307 | ||
1308 | return __intel_8xx_fetch_size(temp); | |
1309 | } | |
1310 | ||
1311 | static void intel_tlbflush(struct agp_memory *mem) | |
1312 | { | |
1313 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2200); | |
1314 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1315 | } | |
1316 | ||
1317 | ||
1318 | static void intel_8xx_tlbflush(struct agp_memory *mem) | |
1319 | { | |
1320 | u32 temp; | |
1321 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1322 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7)); | |
1323 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1324 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7)); | |
1325 | } | |
1326 | ||
1327 | ||
1328 | static void intel_cleanup(void) | |
1329 | { | |
1330 | u16 temp; | |
1331 | struct aper_size_info_16 *previous_size; | |
1332 | ||
1333 | previous_size = A_SIZE_16(agp_bridge->previous_size); | |
1334 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1335 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1336 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1337 | } | |
1338 | ||
1339 | ||
1340 | static void intel_8xx_cleanup(void) | |
1341 | { | |
1342 | u16 temp; | |
1343 | struct aper_size_info_8 *previous_size; | |
1344 | ||
1345 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1346 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1347 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1348 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1349 | } | |
1350 | ||
1351 | ||
1352 | static int intel_configure(void) | |
1353 | { | |
1354 | u32 temp; | |
1355 | u16 temp2; | |
1356 | struct aper_size_info_16 *current_size; | |
1357 | ||
1358 | current_size = A_SIZE_16(agp_bridge->current_size); | |
1359 | ||
1360 | /* aperture size */ | |
1361 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1362 | ||
1363 | /* address to map to */ | |
1364 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1365 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1366 | ||
1367 | /* attbase - aperture base */ | |
1368 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1369 | ||
1370 | /* agpctrl */ | |
1371 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1372 | ||
1373 | /* paccfg/nbxcfg */ | |
1374 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1375 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, | |
1376 | (temp2 & ~(1 << 10)) | (1 << 9)); | |
1377 | /* clear any possible error conditions */ | |
1378 | pci_write_config_byte(agp_bridge->dev, INTEL_ERRSTS + 1, 7); | |
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | static int intel_815_configure(void) | |
1383 | { | |
1384 | u32 temp, addr; | |
1385 | u8 temp2; | |
1386 | struct aper_size_info_8 *current_size; | |
1387 | ||
1388 | /* attbase - aperture base */ | |
1389 | /* the Intel 815 chipset spec. says that bits 29-31 in the | |
1390 | * ATTBASE register are reserved -> try not to write them */ | |
1391 | if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) { | |
e3cf6951 | 1392 | dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high"); |
1da177e4 LT |
1393 | return -EINVAL; |
1394 | } | |
1395 | ||
1396 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1397 | ||
1398 | /* aperture size */ | |
1399 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1400 | current_size->size_value); | |
1401 | ||
1402 | /* address to map to */ | |
1403 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1404 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1405 | ||
1406 | pci_read_config_dword(agp_bridge->dev, INTEL_ATTBASE, &addr); | |
1407 | addr &= INTEL_815_ATTBASE_MASK; | |
1408 | addr |= agp_bridge->gatt_bus_addr; | |
1409 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, addr); | |
1410 | ||
1411 | /* agpctrl */ | |
1412 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1413 | ||
1414 | /* apcont */ | |
1415 | pci_read_config_byte(agp_bridge->dev, INTEL_815_APCONT, &temp2); | |
1416 | pci_write_config_byte(agp_bridge->dev, INTEL_815_APCONT, temp2 | (1 << 1)); | |
1417 | ||
1418 | /* clear any possible error conditions */ | |
1419 | /* Oddness : this chipset seems to have no ERRSTS register ! */ | |
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | static void intel_820_tlbflush(struct agp_memory *mem) | |
1424 | { | |
1425 | return; | |
1426 | } | |
1427 | ||
1428 | static void intel_820_cleanup(void) | |
1429 | { | |
1430 | u8 temp; | |
1431 | struct aper_size_info_8 *previous_size; | |
1432 | ||
1433 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1434 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp); | |
1435 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, | |
1436 | temp & ~(1 << 1)); | |
1437 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1438 | previous_size->size_value); | |
1439 | } | |
1440 | ||
1441 | ||
1442 | static int intel_820_configure(void) | |
1443 | { | |
1444 | u32 temp; | |
1445 | u8 temp2; | |
1446 | struct aper_size_info_8 *current_size; | |
1447 | ||
1448 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1449 | ||
1450 | /* aperture size */ | |
1451 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1452 | ||
1453 | /* address to map to */ | |
1454 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1455 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1456 | ||
1457 | /* attbase - aperture base */ | |
1458 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1459 | ||
1460 | /* agpctrl */ | |
1461 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1462 | ||
1463 | /* global enable aperture access */ | |
1464 | /* This flag is not accessed through MCHCFG register as in */ | |
1465 | /* i850 chipset. */ | |
1466 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp2); | |
1467 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp2 | (1 << 1)); | |
1468 | /* clear any possible AGP-related error conditions */ | |
1469 | pci_write_config_word(agp_bridge->dev, INTEL_I820_ERRSTS, 0x001c); | |
1470 | return 0; | |
1471 | } | |
1472 | ||
1473 | static int intel_840_configure(void) | |
1474 | { | |
1475 | u32 temp; | |
1476 | u16 temp2; | |
1477 | struct aper_size_info_8 *current_size; | |
1478 | ||
1479 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1480 | ||
1481 | /* aperture size */ | |
1482 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1483 | ||
1484 | /* address to map to */ | |
1485 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1486 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1487 | ||
1488 | /* attbase - aperture base */ | |
1489 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1490 | ||
1491 | /* agpctrl */ | |
1492 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1493 | ||
1494 | /* mcgcfg */ | |
1495 | pci_read_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, &temp2); | |
1496 | pci_write_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, temp2 | (1 << 9)); | |
1497 | /* clear any possible error conditions */ | |
1498 | pci_write_config_word(agp_bridge->dev, INTEL_I840_ERRSTS, 0xc000); | |
1499 | return 0; | |
1500 | } | |
1501 | ||
1502 | static int intel_845_configure(void) | |
1503 | { | |
1504 | u32 temp; | |
1505 | u8 temp2; | |
1506 | struct aper_size_info_8 *current_size; | |
1507 | ||
1508 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1509 | ||
1510 | /* aperture size */ | |
1511 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1512 | ||
b0825488 MG |
1513 | if (agp_bridge->apbase_config != 0) { |
1514 | pci_write_config_dword(agp_bridge->dev, AGP_APBASE, | |
1515 | agp_bridge->apbase_config); | |
1516 | } else { | |
1517 | /* address to map to */ | |
1518 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1519 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1520 | agp_bridge->apbase_config = temp; | |
1521 | } | |
1da177e4 LT |
1522 | |
1523 | /* attbase - aperture base */ | |
1524 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1525 | ||
1526 | /* agpctrl */ | |
1527 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1528 | ||
1529 | /* agpm */ | |
1530 | pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2); | |
1531 | pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1)); | |
1532 | /* clear any possible error conditions */ | |
1533 | pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c); | |
2162e6a2 DA |
1534 | |
1535 | intel_i830_setup_flush(); | |
1da177e4 LT |
1536 | return 0; |
1537 | } | |
1538 | ||
1539 | static int intel_850_configure(void) | |
1540 | { | |
1541 | u32 temp; | |
1542 | u16 temp2; | |
1543 | struct aper_size_info_8 *current_size; | |
1544 | ||
1545 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1546 | ||
1547 | /* aperture size */ | |
1548 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1549 | ||
1550 | /* address to map to */ | |
1551 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1552 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1553 | ||
1554 | /* attbase - aperture base */ | |
1555 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1556 | ||
1557 | /* agpctrl */ | |
1558 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1559 | ||
1560 | /* mcgcfg */ | |
1561 | pci_read_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, &temp2); | |
1562 | pci_write_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, temp2 | (1 << 9)); | |
1563 | /* clear any possible AGP-related error conditions */ | |
1564 | pci_write_config_word(agp_bridge->dev, INTEL_I850_ERRSTS, 0x001c); | |
1565 | return 0; | |
1566 | } | |
1567 | ||
1568 | static int intel_860_configure(void) | |
1569 | { | |
1570 | u32 temp; | |
1571 | u16 temp2; | |
1572 | struct aper_size_info_8 *current_size; | |
1573 | ||
1574 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1575 | ||
1576 | /* aperture size */ | |
1577 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1578 | ||
1579 | /* address to map to */ | |
1580 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1581 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1582 | ||
1583 | /* attbase - aperture base */ | |
1584 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1585 | ||
1586 | /* agpctrl */ | |
1587 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1588 | ||
1589 | /* mcgcfg */ | |
1590 | pci_read_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, &temp2); | |
1591 | pci_write_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, temp2 | (1 << 9)); | |
1592 | /* clear any possible AGP-related error conditions */ | |
1593 | pci_write_config_word(agp_bridge->dev, INTEL_I860_ERRSTS, 0xf700); | |
1594 | return 0; | |
1595 | } | |
1596 | ||
1597 | static int intel_830mp_configure(void) | |
1598 | { | |
1599 | u32 temp; | |
1600 | u16 temp2; | |
1601 | struct aper_size_info_8 *current_size; | |
1602 | ||
1603 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1604 | ||
1605 | /* aperture size */ | |
1606 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1607 | ||
1608 | /* address to map to */ | |
1609 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1610 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1611 | ||
1612 | /* attbase - aperture base */ | |
1613 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1614 | ||
1615 | /* agpctrl */ | |
1616 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1617 | ||
1618 | /* gmch */ | |
1619 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1620 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp2 | (1 << 9)); | |
1621 | /* clear any possible AGP-related error conditions */ | |
1622 | pci_write_config_word(agp_bridge->dev, INTEL_I830_ERRSTS, 0x1c); | |
1623 | return 0; | |
1624 | } | |
1625 | ||
1626 | static int intel_7505_configure(void) | |
1627 | { | |
1628 | u32 temp; | |
1629 | u16 temp2; | |
1630 | struct aper_size_info_8 *current_size; | |
1631 | ||
1632 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1633 | ||
1634 | /* aperture size */ | |
1635 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1636 | ||
1637 | /* address to map to */ | |
1638 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1639 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1640 | ||
1641 | /* attbase - aperture base */ | |
1642 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1643 | ||
1644 | /* agpctrl */ | |
1645 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1646 | ||
1647 | /* mchcfg */ | |
1648 | pci_read_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, &temp2); | |
1649 | pci_write_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, temp2 | (1 << 9)); | |
1650 | ||
1651 | return 0; | |
1652 | } | |
1653 | ||
1654 | /* Setup function */ | |
e5524f35 | 1655 | static const struct gatt_mask intel_generic_masks[] = |
1da177e4 LT |
1656 | { |
1657 | {.mask = 0x00000017, .type = 0} | |
1658 | }; | |
1659 | ||
e5524f35 | 1660 | static const struct aper_size_info_8 intel_815_sizes[2] = |
1da177e4 LT |
1661 | { |
1662 | {64, 16384, 4, 0}, | |
1663 | {32, 8192, 3, 8}, | |
1664 | }; | |
1665 | ||
e5524f35 | 1666 | static const struct aper_size_info_8 intel_8xx_sizes[7] = |
1da177e4 LT |
1667 | { |
1668 | {256, 65536, 6, 0}, | |
1669 | {128, 32768, 5, 32}, | |
1670 | {64, 16384, 4, 48}, | |
1671 | {32, 8192, 3, 56}, | |
1672 | {16, 4096, 2, 60}, | |
1673 | {8, 2048, 1, 62}, | |
1674 | {4, 1024, 0, 63} | |
1675 | }; | |
1676 | ||
e5524f35 | 1677 | static const struct aper_size_info_16 intel_generic_sizes[7] = |
1da177e4 LT |
1678 | { |
1679 | {256, 65536, 6, 0}, | |
1680 | {128, 32768, 5, 32}, | |
1681 | {64, 16384, 4, 48}, | |
1682 | {32, 8192, 3, 56}, | |
1683 | {16, 4096, 2, 60}, | |
1684 | {8, 2048, 1, 62}, | |
1685 | {4, 1024, 0, 63} | |
1686 | }; | |
1687 | ||
e5524f35 | 1688 | static const struct aper_size_info_8 intel_830mp_sizes[4] = |
1da177e4 LT |
1689 | { |
1690 | {256, 65536, 6, 0}, | |
1691 | {128, 32768, 5, 32}, | |
1692 | {64, 16384, 4, 48}, | |
1693 | {32, 8192, 3, 56} | |
1694 | }; | |
1695 | ||
e5524f35 | 1696 | static const struct agp_bridge_driver intel_generic_driver = { |
1da177e4 LT |
1697 | .owner = THIS_MODULE, |
1698 | .aperture_sizes = intel_generic_sizes, | |
1699 | .size_type = U16_APER_SIZE, | |
1700 | .num_aperture_sizes = 7, | |
1701 | .configure = intel_configure, | |
1702 | .fetch_size = intel_fetch_size, | |
1703 | .cleanup = intel_cleanup, | |
1704 | .tlb_flush = intel_tlbflush, | |
1705 | .mask_memory = agp_generic_mask_memory, | |
1706 | .masks = intel_generic_masks, | |
1707 | .agp_enable = agp_generic_enable, | |
1708 | .cache_flush = global_cache_flush, | |
1709 | .create_gatt_table = agp_generic_create_gatt_table, | |
1710 | .free_gatt_table = agp_generic_free_gatt_table, | |
1711 | .insert_memory = agp_generic_insert_memory, | |
1712 | .remove_memory = agp_generic_remove_memory, | |
1713 | .alloc_by_type = agp_generic_alloc_by_type, | |
1714 | .free_by_type = agp_generic_free_by_type, | |
1715 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1716 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1717 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1718 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1719 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1720 | }; |
1721 | ||
e5524f35 | 1722 | static const struct agp_bridge_driver intel_810_driver = { |
1da177e4 LT |
1723 | .owner = THIS_MODULE, |
1724 | .aperture_sizes = intel_i810_sizes, | |
1725 | .size_type = FIXED_APER_SIZE, | |
1726 | .num_aperture_sizes = 2, | |
c7258012 | 1727 | .needs_scratch_page = true, |
1da177e4 LT |
1728 | .configure = intel_i810_configure, |
1729 | .fetch_size = intel_i810_fetch_size, | |
1730 | .cleanup = intel_i810_cleanup, | |
1731 | .tlb_flush = intel_i810_tlbflush, | |
1732 | .mask_memory = intel_i810_mask_memory, | |
1733 | .masks = intel_i810_masks, | |
1734 | .agp_enable = intel_i810_agp_enable, | |
1735 | .cache_flush = global_cache_flush, | |
1736 | .create_gatt_table = agp_generic_create_gatt_table, | |
1737 | .free_gatt_table = agp_generic_free_gatt_table, | |
1738 | .insert_memory = intel_i810_insert_entries, | |
1739 | .remove_memory = intel_i810_remove_entries, | |
1740 | .alloc_by_type = intel_i810_alloc_by_type, | |
1741 | .free_by_type = intel_i810_free_by_type, | |
1742 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1743 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1744 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1745 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1746 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1747 | }; |
1748 | ||
e5524f35 | 1749 | static const struct agp_bridge_driver intel_815_driver = { |
1da177e4 LT |
1750 | .owner = THIS_MODULE, |
1751 | .aperture_sizes = intel_815_sizes, | |
1752 | .size_type = U8_APER_SIZE, | |
1753 | .num_aperture_sizes = 2, | |
1754 | .configure = intel_815_configure, | |
1755 | .fetch_size = intel_815_fetch_size, | |
1756 | .cleanup = intel_8xx_cleanup, | |
1757 | .tlb_flush = intel_8xx_tlbflush, | |
1758 | .mask_memory = agp_generic_mask_memory, | |
1759 | .masks = intel_generic_masks, | |
1760 | .agp_enable = agp_generic_enable, | |
1761 | .cache_flush = global_cache_flush, | |
1762 | .create_gatt_table = agp_generic_create_gatt_table, | |
1763 | .free_gatt_table = agp_generic_free_gatt_table, | |
1764 | .insert_memory = agp_generic_insert_memory, | |
1765 | .remove_memory = agp_generic_remove_memory, | |
1766 | .alloc_by_type = agp_generic_alloc_by_type, | |
1767 | .free_by_type = agp_generic_free_by_type, | |
1768 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1769 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1770 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1771 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 1772 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1773 | }; |
1774 | ||
e5524f35 | 1775 | static const struct agp_bridge_driver intel_830_driver = { |
1da177e4 LT |
1776 | .owner = THIS_MODULE, |
1777 | .aperture_sizes = intel_i830_sizes, | |
1778 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 1779 | .num_aperture_sizes = 4, |
c7258012 | 1780 | .needs_scratch_page = true, |
1da177e4 LT |
1781 | .configure = intel_i830_configure, |
1782 | .fetch_size = intel_i830_fetch_size, | |
1783 | .cleanup = intel_i830_cleanup, | |
1784 | .tlb_flush = intel_i810_tlbflush, | |
1785 | .mask_memory = intel_i810_mask_memory, | |
1786 | .masks = intel_i810_masks, | |
1787 | .agp_enable = intel_i810_agp_enable, | |
1788 | .cache_flush = global_cache_flush, | |
1789 | .create_gatt_table = intel_i830_create_gatt_table, | |
1790 | .free_gatt_table = intel_i830_free_gatt_table, | |
1791 | .insert_memory = intel_i830_insert_entries, | |
1792 | .remove_memory = intel_i830_remove_entries, | |
1793 | .alloc_by_type = intel_i830_alloc_by_type, | |
1794 | .free_by_type = intel_i810_free_by_type, | |
1795 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1796 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1797 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1798 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1799 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
2162e6a2 | 1800 | .chipset_flush = intel_i830_chipset_flush, |
1da177e4 LT |
1801 | }; |
1802 | ||
e5524f35 | 1803 | static const struct agp_bridge_driver intel_820_driver = { |
1da177e4 LT |
1804 | .owner = THIS_MODULE, |
1805 | .aperture_sizes = intel_8xx_sizes, | |
1806 | .size_type = U8_APER_SIZE, | |
1807 | .num_aperture_sizes = 7, | |
1808 | .configure = intel_820_configure, | |
1809 | .fetch_size = intel_8xx_fetch_size, | |
1810 | .cleanup = intel_820_cleanup, | |
1811 | .tlb_flush = intel_820_tlbflush, | |
1812 | .mask_memory = agp_generic_mask_memory, | |
1813 | .masks = intel_generic_masks, | |
1814 | .agp_enable = agp_generic_enable, | |
1815 | .cache_flush = global_cache_flush, | |
1816 | .create_gatt_table = agp_generic_create_gatt_table, | |
1817 | .free_gatt_table = agp_generic_free_gatt_table, | |
1818 | .insert_memory = agp_generic_insert_memory, | |
1819 | .remove_memory = agp_generic_remove_memory, | |
1820 | .alloc_by_type = agp_generic_alloc_by_type, | |
1821 | .free_by_type = agp_generic_free_by_type, | |
1822 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1823 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1824 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1825 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1826 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1827 | }; |
1828 | ||
e5524f35 | 1829 | static const struct agp_bridge_driver intel_830mp_driver = { |
1da177e4 LT |
1830 | .owner = THIS_MODULE, |
1831 | .aperture_sizes = intel_830mp_sizes, | |
1832 | .size_type = U8_APER_SIZE, | |
1833 | .num_aperture_sizes = 4, | |
1834 | .configure = intel_830mp_configure, | |
1835 | .fetch_size = intel_8xx_fetch_size, | |
1836 | .cleanup = intel_8xx_cleanup, | |
1837 | .tlb_flush = intel_8xx_tlbflush, | |
1838 | .mask_memory = agp_generic_mask_memory, | |
1839 | .masks = intel_generic_masks, | |
1840 | .agp_enable = agp_generic_enable, | |
1841 | .cache_flush = global_cache_flush, | |
1842 | .create_gatt_table = agp_generic_create_gatt_table, | |
1843 | .free_gatt_table = agp_generic_free_gatt_table, | |
1844 | .insert_memory = agp_generic_insert_memory, | |
1845 | .remove_memory = agp_generic_remove_memory, | |
1846 | .alloc_by_type = agp_generic_alloc_by_type, | |
1847 | .free_by_type = agp_generic_free_by_type, | |
1848 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1849 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1850 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1851 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1852 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1853 | }; |
1854 | ||
e5524f35 | 1855 | static const struct agp_bridge_driver intel_840_driver = { |
1da177e4 LT |
1856 | .owner = THIS_MODULE, |
1857 | .aperture_sizes = intel_8xx_sizes, | |
1858 | .size_type = U8_APER_SIZE, | |
1859 | .num_aperture_sizes = 7, | |
1860 | .configure = intel_840_configure, | |
1861 | .fetch_size = intel_8xx_fetch_size, | |
1862 | .cleanup = intel_8xx_cleanup, | |
1863 | .tlb_flush = intel_8xx_tlbflush, | |
1864 | .mask_memory = agp_generic_mask_memory, | |
1865 | .masks = intel_generic_masks, | |
1866 | .agp_enable = agp_generic_enable, | |
1867 | .cache_flush = global_cache_flush, | |
1868 | .create_gatt_table = agp_generic_create_gatt_table, | |
1869 | .free_gatt_table = agp_generic_free_gatt_table, | |
1870 | .insert_memory = agp_generic_insert_memory, | |
1871 | .remove_memory = agp_generic_remove_memory, | |
1872 | .alloc_by_type = agp_generic_alloc_by_type, | |
1873 | .free_by_type = agp_generic_free_by_type, | |
1874 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1875 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1876 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1877 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1878 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1879 | }; |
1880 | ||
e5524f35 | 1881 | static const struct agp_bridge_driver intel_845_driver = { |
1da177e4 LT |
1882 | .owner = THIS_MODULE, |
1883 | .aperture_sizes = intel_8xx_sizes, | |
1884 | .size_type = U8_APER_SIZE, | |
1885 | .num_aperture_sizes = 7, | |
1886 | .configure = intel_845_configure, | |
1887 | .fetch_size = intel_8xx_fetch_size, | |
1888 | .cleanup = intel_8xx_cleanup, | |
1889 | .tlb_flush = intel_8xx_tlbflush, | |
1890 | .mask_memory = agp_generic_mask_memory, | |
1891 | .masks = intel_generic_masks, | |
1892 | .agp_enable = agp_generic_enable, | |
1893 | .cache_flush = global_cache_flush, | |
1894 | .create_gatt_table = agp_generic_create_gatt_table, | |
1895 | .free_gatt_table = agp_generic_free_gatt_table, | |
1896 | .insert_memory = agp_generic_insert_memory, | |
1897 | .remove_memory = agp_generic_remove_memory, | |
1898 | .alloc_by_type = agp_generic_alloc_by_type, | |
1899 | .free_by_type = agp_generic_free_by_type, | |
1900 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1901 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1902 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1903 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1904 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
2162e6a2 | 1905 | .chipset_flush = intel_i830_chipset_flush, |
1da177e4 LT |
1906 | }; |
1907 | ||
e5524f35 | 1908 | static const struct agp_bridge_driver intel_850_driver = { |
1da177e4 LT |
1909 | .owner = THIS_MODULE, |
1910 | .aperture_sizes = intel_8xx_sizes, | |
1911 | .size_type = U8_APER_SIZE, | |
1912 | .num_aperture_sizes = 7, | |
1913 | .configure = intel_850_configure, | |
1914 | .fetch_size = intel_8xx_fetch_size, | |
1915 | .cleanup = intel_8xx_cleanup, | |
1916 | .tlb_flush = intel_8xx_tlbflush, | |
1917 | .mask_memory = agp_generic_mask_memory, | |
1918 | .masks = intel_generic_masks, | |
1919 | .agp_enable = agp_generic_enable, | |
1920 | .cache_flush = global_cache_flush, | |
1921 | .create_gatt_table = agp_generic_create_gatt_table, | |
1922 | .free_gatt_table = agp_generic_free_gatt_table, | |
1923 | .insert_memory = agp_generic_insert_memory, | |
1924 | .remove_memory = agp_generic_remove_memory, | |
1925 | .alloc_by_type = agp_generic_alloc_by_type, | |
1926 | .free_by_type = agp_generic_free_by_type, | |
1927 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1928 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1929 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1930 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1931 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1932 | }; |
1933 | ||
e5524f35 | 1934 | static const struct agp_bridge_driver intel_860_driver = { |
1da177e4 LT |
1935 | .owner = THIS_MODULE, |
1936 | .aperture_sizes = intel_8xx_sizes, | |
1937 | .size_type = U8_APER_SIZE, | |
1938 | .num_aperture_sizes = 7, | |
1939 | .configure = intel_860_configure, | |
1940 | .fetch_size = intel_8xx_fetch_size, | |
1941 | .cleanup = intel_8xx_cleanup, | |
1942 | .tlb_flush = intel_8xx_tlbflush, | |
1943 | .mask_memory = agp_generic_mask_memory, | |
1944 | .masks = intel_generic_masks, | |
1945 | .agp_enable = agp_generic_enable, | |
1946 | .cache_flush = global_cache_flush, | |
1947 | .create_gatt_table = agp_generic_create_gatt_table, | |
1948 | .free_gatt_table = agp_generic_free_gatt_table, | |
1949 | .insert_memory = agp_generic_insert_memory, | |
1950 | .remove_memory = agp_generic_remove_memory, | |
1951 | .alloc_by_type = agp_generic_alloc_by_type, | |
1952 | .free_by_type = agp_generic_free_by_type, | |
1953 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1954 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1955 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1956 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1957 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1958 | }; |
1959 | ||
e5524f35 | 1960 | static const struct agp_bridge_driver intel_915_driver = { |
1da177e4 LT |
1961 | .owner = THIS_MODULE, |
1962 | .aperture_sizes = intel_i830_sizes, | |
1963 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 1964 | .num_aperture_sizes = 4, |
c7258012 | 1965 | .needs_scratch_page = true, |
1da177e4 | 1966 | .configure = intel_i915_configure, |
c41e0deb | 1967 | .fetch_size = intel_i9xx_fetch_size, |
1da177e4 LT |
1968 | .cleanup = intel_i915_cleanup, |
1969 | .tlb_flush = intel_i810_tlbflush, | |
1970 | .mask_memory = intel_i810_mask_memory, | |
1971 | .masks = intel_i810_masks, | |
1972 | .agp_enable = intel_i810_agp_enable, | |
1973 | .cache_flush = global_cache_flush, | |
1974 | .create_gatt_table = intel_i915_create_gatt_table, | |
1975 | .free_gatt_table = intel_i830_free_gatt_table, | |
1976 | .insert_memory = intel_i915_insert_entries, | |
1977 | .remove_memory = intel_i915_remove_entries, | |
1978 | .alloc_by_type = intel_i830_alloc_by_type, | |
1979 | .free_by_type = intel_i810_free_by_type, | |
1980 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1981 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1982 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1983 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1984 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 1985 | .chipset_flush = intel_i915_chipset_flush, |
1da177e4 LT |
1986 | }; |
1987 | ||
e5524f35 | 1988 | static const struct agp_bridge_driver intel_i965_driver = { |
62c96b9d DA |
1989 | .owner = THIS_MODULE, |
1990 | .aperture_sizes = intel_i830_sizes, | |
1991 | .size_type = FIXED_APER_SIZE, | |
1992 | .num_aperture_sizes = 4, | |
1993 | .needs_scratch_page = true, | |
0e480e5f DA |
1994 | .configure = intel_i915_configure, |
1995 | .fetch_size = intel_i9xx_fetch_size, | |
62c96b9d DA |
1996 | .cleanup = intel_i915_cleanup, |
1997 | .tlb_flush = intel_i810_tlbflush, | |
1998 | .mask_memory = intel_i965_mask_memory, | |
1999 | .masks = intel_i810_masks, | |
2000 | .agp_enable = intel_i810_agp_enable, | |
2001 | .cache_flush = global_cache_flush, | |
2002 | .create_gatt_table = intel_i965_create_gatt_table, | |
2003 | .free_gatt_table = intel_i830_free_gatt_table, | |
2004 | .insert_memory = intel_i915_insert_entries, | |
2005 | .remove_memory = intel_i915_remove_entries, | |
2006 | .alloc_by_type = intel_i830_alloc_by_type, | |
2007 | .free_by_type = intel_i810_free_by_type, | |
2008 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2009 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2010 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2011 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2012 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2013 | .chipset_flush = intel_i915_chipset_flush, |
65c25aad | 2014 | }; |
1da177e4 | 2015 | |
e5524f35 | 2016 | static const struct agp_bridge_driver intel_7505_driver = { |
1da177e4 LT |
2017 | .owner = THIS_MODULE, |
2018 | .aperture_sizes = intel_8xx_sizes, | |
2019 | .size_type = U8_APER_SIZE, | |
2020 | .num_aperture_sizes = 7, | |
2021 | .configure = intel_7505_configure, | |
2022 | .fetch_size = intel_8xx_fetch_size, | |
2023 | .cleanup = intel_8xx_cleanup, | |
2024 | .tlb_flush = intel_8xx_tlbflush, | |
2025 | .mask_memory = agp_generic_mask_memory, | |
2026 | .masks = intel_generic_masks, | |
2027 | .agp_enable = agp_generic_enable, | |
2028 | .cache_flush = global_cache_flush, | |
2029 | .create_gatt_table = agp_generic_create_gatt_table, | |
2030 | .free_gatt_table = agp_generic_free_gatt_table, | |
2031 | .insert_memory = agp_generic_insert_memory, | |
2032 | .remove_memory = agp_generic_remove_memory, | |
2033 | .alloc_by_type = agp_generic_alloc_by_type, | |
2034 | .free_by_type = agp_generic_free_by_type, | |
2035 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2036 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2037 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2038 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2039 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2040 | }; |
2041 | ||
874808c6 | 2042 | static const struct agp_bridge_driver intel_g33_driver = { |
62c96b9d DA |
2043 | .owner = THIS_MODULE, |
2044 | .aperture_sizes = intel_i830_sizes, | |
2045 | .size_type = FIXED_APER_SIZE, | |
2046 | .num_aperture_sizes = 4, | |
2047 | .needs_scratch_page = true, | |
2048 | .configure = intel_i915_configure, | |
2049 | .fetch_size = intel_i9xx_fetch_size, | |
2050 | .cleanup = intel_i915_cleanup, | |
2051 | .tlb_flush = intel_i810_tlbflush, | |
2052 | .mask_memory = intel_i965_mask_memory, | |
2053 | .masks = intel_i810_masks, | |
2054 | .agp_enable = intel_i810_agp_enable, | |
2055 | .cache_flush = global_cache_flush, | |
2056 | .create_gatt_table = intel_i915_create_gatt_table, | |
2057 | .free_gatt_table = intel_i830_free_gatt_table, | |
2058 | .insert_memory = intel_i915_insert_entries, | |
2059 | .remove_memory = intel_i915_remove_entries, | |
2060 | .alloc_by_type = intel_i830_alloc_by_type, | |
2061 | .free_by_type = intel_i810_free_by_type, | |
2062 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2063 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2064 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2065 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2066 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2067 | .chipset_flush = intel_i915_chipset_flush, |
874808c6 | 2068 | }; |
1da177e4 | 2069 | |
9614ece1 | 2070 | static int find_gmch(u16 device) |
1da177e4 | 2071 | { |
9614ece1 | 2072 | struct pci_dev *gmch_device; |
1da177e4 | 2073 | |
9614ece1 WZ |
2074 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); |
2075 | if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { | |
2076 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, | |
f011ae74 | 2077 | device, gmch_device); |
1da177e4 LT |
2078 | } |
2079 | ||
9614ece1 | 2080 | if (!gmch_device) |
1da177e4 LT |
2081 | return 0; |
2082 | ||
9614ece1 | 2083 | intel_private.pcidev = gmch_device; |
1da177e4 LT |
2084 | return 1; |
2085 | } | |
2086 | ||
9614ece1 WZ |
2087 | /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of |
2088 | * driver and gmch_driver must be non-null, and find_gmch will determine | |
2089 | * which one should be used if a gmch_chip_id is present. | |
2090 | */ | |
2091 | static const struct intel_driver_description { | |
2092 | unsigned int chip_id; | |
2093 | unsigned int gmch_chip_id; | |
88889851 | 2094 | unsigned int multi_gmch_chip; /* if we have more gfx chip type on this HB. */ |
9614ece1 WZ |
2095 | char *name; |
2096 | const struct agp_bridge_driver *driver; | |
2097 | const struct agp_bridge_driver *gmch_driver; | |
2098 | } intel_agp_chipsets[] = { | |
88889851 WZ |
2099 | { PCI_DEVICE_ID_INTEL_82443LX_0, 0, 0, "440LX", &intel_generic_driver, NULL }, |
2100 | { PCI_DEVICE_ID_INTEL_82443BX_0, 0, 0, "440BX", &intel_generic_driver, NULL }, | |
2101 | { PCI_DEVICE_ID_INTEL_82443GX_0, 0, 0, "440GX", &intel_generic_driver, NULL }, | |
2102 | { PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, 0, "i810", | |
9614ece1 | 2103 | NULL, &intel_810_driver }, |
88889851 | 2104 | { PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, 0, "i810", |
9614ece1 | 2105 | NULL, &intel_810_driver }, |
88889851 | 2106 | { PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, 0, "i810", |
9614ece1 | 2107 | NULL, &intel_810_driver }, |
88889851 WZ |
2108 | { PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, 0, "i815", |
2109 | &intel_815_driver, &intel_810_driver }, | |
2110 | { PCI_DEVICE_ID_INTEL_82820_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2111 | { PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2112 | { PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, 0, "830M", | |
9614ece1 | 2113 | &intel_830mp_driver, &intel_830_driver }, |
88889851 WZ |
2114 | { PCI_DEVICE_ID_INTEL_82840_HB, 0, 0, "i840", &intel_840_driver, NULL }, |
2115 | { PCI_DEVICE_ID_INTEL_82845_HB, 0, 0, "845G", &intel_845_driver, NULL }, | |
2116 | { PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M", | |
9614ece1 | 2117 | &intel_845_driver, &intel_830_driver }, |
88889851 WZ |
2118 | { PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL }, |
2119 | { PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL }, | |
2120 | { PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM", | |
9614ece1 | 2121 | &intel_845_driver, &intel_830_driver }, |
88889851 WZ |
2122 | { PCI_DEVICE_ID_INTEL_82860_HB, 0, 0, "i860", &intel_860_driver, NULL }, |
2123 | { PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865", | |
9614ece1 | 2124 | &intel_845_driver, &intel_830_driver }, |
88889851 | 2125 | { PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL }, |
e914a36a CM |
2126 | { PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)", |
2127 | NULL, &intel_915_driver }, | |
88889851 | 2128 | { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G", |
47d46379 | 2129 | NULL, &intel_915_driver }, |
88889851 | 2130 | { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM", |
47d46379 | 2131 | NULL, &intel_915_driver }, |
88889851 | 2132 | { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G", |
47d46379 | 2133 | NULL, &intel_915_driver }, |
dde47876 | 2134 | { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM", |
47d46379 | 2135 | NULL, &intel_915_driver }, |
dde47876 | 2136 | { PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME", |
47d46379 | 2137 | NULL, &intel_915_driver }, |
88889851 | 2138 | { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ", |
47d46379 | 2139 | NULL, &intel_i965_driver }, |
9119f85a | 2140 | { PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, 0, "G35", |
47d46379 | 2141 | NULL, &intel_i965_driver }, |
88889851 | 2142 | { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q", |
47d46379 | 2143 | NULL, &intel_i965_driver }, |
88889851 | 2144 | { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G", |
47d46379 | 2145 | NULL, &intel_i965_driver }, |
dde47876 | 2146 | { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM", |
47d46379 | 2147 | NULL, &intel_i965_driver }, |
dde47876 | 2148 | { PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE", |
47d46379 | 2149 | NULL, &intel_i965_driver }, |
88889851 WZ |
2150 | { PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL }, |
2151 | { PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL }, | |
2152 | { PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33", | |
47d46379 | 2153 | NULL, &intel_g33_driver }, |
88889851 | 2154 | { PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35", |
47d46379 | 2155 | NULL, &intel_g33_driver }, |
88889851 | 2156 | { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", |
47d46379 | 2157 | NULL, &intel_g33_driver }, |
99d32bd5 ZW |
2158 | { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0, |
2159 | "Mobile Intel? GM45 Express", NULL, &intel_i965_driver }, | |
25ce77ab ZW |
2160 | { PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0, |
2161 | "Intel Integrated Graphics Device", NULL, &intel_i965_driver }, | |
2162 | { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0, | |
2163 | "Q45/Q43", NULL, &intel_i965_driver }, | |
2164 | { PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0, | |
2165 | "G45/G43", NULL, &intel_i965_driver }, | |
88889851 | 2166 | { 0, 0, 0, NULL, NULL, NULL } |
9614ece1 WZ |
2167 | }; |
2168 | ||
1da177e4 LT |
2169 | static int __devinit agp_intel_probe(struct pci_dev *pdev, |
2170 | const struct pci_device_id *ent) | |
2171 | { | |
2172 | struct agp_bridge_data *bridge; | |
1da177e4 LT |
2173 | u8 cap_ptr = 0; |
2174 | struct resource *r; | |
9614ece1 | 2175 | int i; |
1da177e4 LT |
2176 | |
2177 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
2178 | ||
2179 | bridge = agp_alloc_bridge(); | |
2180 | if (!bridge) | |
2181 | return -ENOMEM; | |
2182 | ||
9614ece1 WZ |
2183 | for (i = 0; intel_agp_chipsets[i].name != NULL; i++) { |
2184 | /* In case that multiple models of gfx chip may | |
2185 | stand on same host bridge type, this can be | |
2186 | sure we detect the right IGD. */ | |
88889851 WZ |
2187 | if (pdev->device == intel_agp_chipsets[i].chip_id) { |
2188 | if ((intel_agp_chipsets[i].gmch_chip_id != 0) && | |
2189 | find_gmch(intel_agp_chipsets[i].gmch_chip_id)) { | |
2190 | bridge->driver = | |
2191 | intel_agp_chipsets[i].gmch_driver; | |
2192 | break; | |
2193 | } else if (intel_agp_chipsets[i].multi_gmch_chip) { | |
2194 | continue; | |
2195 | } else { | |
2196 | bridge->driver = intel_agp_chipsets[i].driver; | |
2197 | break; | |
2198 | } | |
2199 | } | |
9614ece1 WZ |
2200 | } |
2201 | ||
2202 | if (intel_agp_chipsets[i].name == NULL) { | |
1da177e4 | 2203 | if (cap_ptr) |
e3cf6951 BH |
2204 | dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n", |
2205 | pdev->vendor, pdev->device); | |
9614ece1 WZ |
2206 | agp_put_bridge(bridge); |
2207 | return -ENODEV; | |
2208 | } | |
2209 | ||
9614ece1 | 2210 | if (bridge->driver == NULL) { |
47d46379 WZ |
2211 | /* bridge has no AGP and no IGD detected */ |
2212 | if (cap_ptr) | |
e3cf6951 BH |
2213 | dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n", |
2214 | intel_agp_chipsets[i].gmch_chip_id); | |
1da177e4 LT |
2215 | agp_put_bridge(bridge); |
2216 | return -ENODEV; | |
f011ae74 | 2217 | } |
1da177e4 LT |
2218 | |
2219 | bridge->dev = pdev; | |
2220 | bridge->capndx = cap_ptr; | |
c4ca8817 | 2221 | bridge->dev_private_data = &intel_private; |
1da177e4 | 2222 | |
e3cf6951 | 2223 | dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name); |
1da177e4 LT |
2224 | |
2225 | /* | |
2226 | * The following fixes the case where the BIOS has "forgotten" to | |
2227 | * provide an address range for the GART. | |
2228 | * 20030610 - hamish@zot.org | |
2229 | */ | |
2230 | r = &pdev->resource[0]; | |
2231 | if (!r->start && r->end) { | |
6a92a4e0 | 2232 | if (pci_assign_resource(pdev, 0)) { |
e3cf6951 | 2233 | dev_err(&pdev->dev, "can't assign resource 0\n"); |
1da177e4 LT |
2234 | agp_put_bridge(bridge); |
2235 | return -ENODEV; | |
2236 | } | |
2237 | } | |
2238 | ||
2239 | /* | |
2240 | * If the device has not been properly setup, the following will catch | |
2241 | * the problem and should stop the system from crashing. | |
2242 | * 20030610 - hamish@zot.org | |
2243 | */ | |
2244 | if (pci_enable_device(pdev)) { | |
e3cf6951 | 2245 | dev_err(&pdev->dev, "can't enable PCI device\n"); |
1da177e4 LT |
2246 | agp_put_bridge(bridge); |
2247 | return -ENODEV; | |
2248 | } | |
2249 | ||
2250 | /* Fill in the mode register */ | |
2251 | if (cap_ptr) { | |
2252 | pci_read_config_dword(pdev, | |
2253 | bridge->capndx+PCI_AGP_STATUS, | |
2254 | &bridge->mode); | |
2255 | } | |
2256 | ||
2257 | pci_set_drvdata(pdev, bridge); | |
2258 | return agp_add_bridge(bridge); | |
1da177e4 LT |
2259 | } |
2260 | ||
2261 | static void __devexit agp_intel_remove(struct pci_dev *pdev) | |
2262 | { | |
2263 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
2264 | ||
2265 | agp_remove_bridge(bridge); | |
2266 | ||
c4ca8817 WZ |
2267 | if (intel_private.pcidev) |
2268 | pci_dev_put(intel_private.pcidev); | |
1da177e4 LT |
2269 | |
2270 | agp_put_bridge(bridge); | |
2271 | } | |
2272 | ||
85be7d60 | 2273 | #ifdef CONFIG_PM |
1da177e4 LT |
2274 | static int agp_intel_resume(struct pci_dev *pdev) |
2275 | { | |
2276 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
a8c84df9 | 2277 | int ret_val; |
1da177e4 LT |
2278 | |
2279 | pci_restore_state(pdev); | |
2280 | ||
4b95320f WZ |
2281 | /* We should restore our graphics device's config space, |
2282 | * as host bridge (00:00) resumes before graphics device (02:00), | |
2283 | * then our access to its pci space can work right. | |
2284 | */ | |
c4ca8817 WZ |
2285 | if (intel_private.pcidev) |
2286 | pci_restore_state(intel_private.pcidev); | |
4b95320f | 2287 | |
1da177e4 LT |
2288 | if (bridge->driver == &intel_generic_driver) |
2289 | intel_configure(); | |
2290 | else if (bridge->driver == &intel_850_driver) | |
2291 | intel_850_configure(); | |
2292 | else if (bridge->driver == &intel_845_driver) | |
2293 | intel_845_configure(); | |
2294 | else if (bridge->driver == &intel_830mp_driver) | |
2295 | intel_830mp_configure(); | |
2296 | else if (bridge->driver == &intel_915_driver) | |
2297 | intel_i915_configure(); | |
2298 | else if (bridge->driver == &intel_830_driver) | |
2299 | intel_i830_configure(); | |
2300 | else if (bridge->driver == &intel_810_driver) | |
2301 | intel_i810_configure(); | |
08da3f41 DJ |
2302 | else if (bridge->driver == &intel_i965_driver) |
2303 | intel_i915_configure(); | |
1da177e4 | 2304 | |
a8c84df9 KP |
2305 | ret_val = agp_rebind_memory(); |
2306 | if (ret_val != 0) | |
2307 | return ret_val; | |
2308 | ||
1da177e4 LT |
2309 | return 0; |
2310 | } | |
85be7d60 | 2311 | #endif |
1da177e4 LT |
2312 | |
2313 | static struct pci_device_id agp_intel_pci_table[] = { | |
2314 | #define ID(x) \ | |
2315 | { \ | |
2316 | .class = (PCI_CLASS_BRIDGE_HOST << 8), \ | |
2317 | .class_mask = ~0, \ | |
2318 | .vendor = PCI_VENDOR_ID_INTEL, \ | |
2319 | .device = x, \ | |
2320 | .subvendor = PCI_ANY_ID, \ | |
2321 | .subdevice = PCI_ANY_ID, \ | |
2322 | } | |
2323 | ID(PCI_DEVICE_ID_INTEL_82443LX_0), | |
2324 | ID(PCI_DEVICE_ID_INTEL_82443BX_0), | |
2325 | ID(PCI_DEVICE_ID_INTEL_82443GX_0), | |
2326 | ID(PCI_DEVICE_ID_INTEL_82810_MC1), | |
2327 | ID(PCI_DEVICE_ID_INTEL_82810_MC3), | |
2328 | ID(PCI_DEVICE_ID_INTEL_82810E_MC), | |
2329 | ID(PCI_DEVICE_ID_INTEL_82815_MC), | |
2330 | ID(PCI_DEVICE_ID_INTEL_82820_HB), | |
2331 | ID(PCI_DEVICE_ID_INTEL_82820_UP_HB), | |
2332 | ID(PCI_DEVICE_ID_INTEL_82830_HB), | |
2333 | ID(PCI_DEVICE_ID_INTEL_82840_HB), | |
2334 | ID(PCI_DEVICE_ID_INTEL_82845_HB), | |
2335 | ID(PCI_DEVICE_ID_INTEL_82845G_HB), | |
2336 | ID(PCI_DEVICE_ID_INTEL_82850_HB), | |
2337 | ID(PCI_DEVICE_ID_INTEL_82855PM_HB), | |
2338 | ID(PCI_DEVICE_ID_INTEL_82855GM_HB), | |
2339 | ID(PCI_DEVICE_ID_INTEL_82860_HB), | |
2340 | ID(PCI_DEVICE_ID_INTEL_82865_HB), | |
2341 | ID(PCI_DEVICE_ID_INTEL_82875_HB), | |
2342 | ID(PCI_DEVICE_ID_INTEL_7505_0), | |
2343 | ID(PCI_DEVICE_ID_INTEL_7205_0), | |
e914a36a | 2344 | ID(PCI_DEVICE_ID_INTEL_E7221_HB), |
1da177e4 LT |
2345 | ID(PCI_DEVICE_ID_INTEL_82915G_HB), |
2346 | ID(PCI_DEVICE_ID_INTEL_82915GM_HB), | |
d0de98fa | 2347 | ID(PCI_DEVICE_ID_INTEL_82945G_HB), |
3b0e8ead | 2348 | ID(PCI_DEVICE_ID_INTEL_82945GM_HB), |
dde47876 | 2349 | ID(PCI_DEVICE_ID_INTEL_82945GME_HB), |
65c25aad | 2350 | ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), |
9119f85a | 2351 | ID(PCI_DEVICE_ID_INTEL_82G35_HB), |
65c25aad EA |
2352 | ID(PCI_DEVICE_ID_INTEL_82965Q_HB), |
2353 | ID(PCI_DEVICE_ID_INTEL_82965G_HB), | |
4598af33 | 2354 | ID(PCI_DEVICE_ID_INTEL_82965GM_HB), |
dde47876 | 2355 | ID(PCI_DEVICE_ID_INTEL_82965GME_HB), |
874808c6 WZ |
2356 | ID(PCI_DEVICE_ID_INTEL_G33_HB), |
2357 | ID(PCI_DEVICE_ID_INTEL_Q35_HB), | |
2358 | ID(PCI_DEVICE_ID_INTEL_Q33_HB), | |
99d32bd5 | 2359 | ID(PCI_DEVICE_ID_INTEL_GM45_HB), |
25ce77ab ZW |
2360 | ID(PCI_DEVICE_ID_INTEL_IGD_E_HB), |
2361 | ID(PCI_DEVICE_ID_INTEL_Q45_HB), | |
2362 | ID(PCI_DEVICE_ID_INTEL_G45_HB), | |
1da177e4 LT |
2363 | { } |
2364 | }; | |
2365 | ||
2366 | MODULE_DEVICE_TABLE(pci, agp_intel_pci_table); | |
2367 | ||
2368 | static struct pci_driver agp_intel_pci_driver = { | |
2369 | .name = "agpgart-intel", | |
2370 | .id_table = agp_intel_pci_table, | |
2371 | .probe = agp_intel_probe, | |
2372 | .remove = __devexit_p(agp_intel_remove), | |
85be7d60 | 2373 | #ifdef CONFIG_PM |
1da177e4 | 2374 | .resume = agp_intel_resume, |
85be7d60 | 2375 | #endif |
1da177e4 LT |
2376 | }; |
2377 | ||
2378 | static int __init agp_intel_init(void) | |
2379 | { | |
2380 | if (agp_off) | |
2381 | return -EINVAL; | |
2382 | return pci_register_driver(&agp_intel_pci_driver); | |
2383 | } | |
2384 | ||
2385 | static void __exit agp_intel_cleanup(void) | |
2386 | { | |
2387 | pci_unregister_driver(&agp_intel_pci_driver); | |
2388 | } | |
2389 | ||
2390 | module_init(agp_intel_init); | |
2391 | module_exit(agp_intel_cleanup); | |
2392 | ||
2393 | MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>"); | |
2394 | MODULE_LICENSE("GPL and additional rights"); |