Commit | Line | Data |
---|---|---|
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 |
2177832f SL |
29 | #define PCI_DEVICE_ID_INTEL_IGDGM_HB 0xA010 |
30 | #define PCI_DEVICE_ID_INTEL_IGDGM_IG 0xA011 | |
31 | #define PCI_DEVICE_ID_INTEL_IGDG_HB 0xA000 | |
32 | #define PCI_DEVICE_ID_INTEL_IGDG_IG 0xA001 | |
874808c6 WZ |
33 | #define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 |
34 | #define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2 | |
35 | #define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 | |
36 | #define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 | |
37 | #define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 | |
38 | #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 | |
99d32bd5 ZW |
39 | #define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 |
40 | #define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 | |
25ce77ab ZW |
41 | #define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00 |
42 | #define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02 | |
43 | #define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 | |
44 | #define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12 | |
45 | #define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20 | |
46 | #define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22 | |
a50ccc6c ZW |
47 | #define PCI_DEVICE_ID_INTEL_G41_HB 0x2E30 |
48 | #define PCI_DEVICE_ID_INTEL_G41_IG 0x2E32 | |
32cb055b ZW |
49 | #define PCI_DEVICE_ID_INTEL_IGDNG_D_HB 0x0040 |
50 | #define PCI_DEVICE_ID_INTEL_IGDNG_D_IG 0x0042 | |
51 | #define PCI_DEVICE_ID_INTEL_IGDNG_M_HB 0x0044 | |
07fb6111 | 52 | #define PCI_DEVICE_ID_INTEL_IGDNG_MA_HB 0x0062 |
32cb055b | 53 | #define PCI_DEVICE_ID_INTEL_IGDNG_M_IG 0x0046 |
65c25aad | 54 | |
f011ae74 DA |
55 | /* cover 915 and 945 variants */ |
56 | #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \ | |
57 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \ | |
58 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \ | |
59 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \ | |
60 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \ | |
61 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB) | |
62 | ||
65c25aad | 63 | #define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ |
f011ae74 DA |
64 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \ |
65 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ | |
66 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ | |
67 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ | |
82e14a62 | 68 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB) |
65c25aad | 69 | |
874808c6 WZ |
70 | #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ |
71 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ | |
2177832f SL |
72 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \ |
73 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDGM_HB || \ | |
74 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDG_HB) | |
75 | ||
76 | #define IS_IGD (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDGM_HB || \ | |
77 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDG_HB) | |
65c25aad | 78 | |
25ce77ab ZW |
79 | #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \ |
80 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ | |
82e14a62 | 81 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ |
a50ccc6c | 82 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \ |
32cb055b ZW |
83 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \ |
84 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_D_HB || \ | |
07fb6111 ZW |
85 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB || \ |
86 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MA_HB) | |
25ce77ab | 87 | |
a030ce44 TH |
88 | extern int agp_memory_reserved; |
89 | ||
90 | ||
1da177e4 LT |
91 | /* Intel 815 register */ |
92 | #define INTEL_815_APCONT 0x51 | |
93 | #define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF | |
94 | ||
95 | /* Intel i820 registers */ | |
96 | #define INTEL_I820_RDCR 0x51 | |
97 | #define INTEL_I820_ERRSTS 0xc8 | |
98 | ||
99 | /* Intel i840 registers */ | |
100 | #define INTEL_I840_MCHCFG 0x50 | |
101 | #define INTEL_I840_ERRSTS 0xc8 | |
102 | ||
103 | /* Intel i850 registers */ | |
104 | #define INTEL_I850_MCHCFG 0x50 | |
105 | #define INTEL_I850_ERRSTS 0xc8 | |
106 | ||
107 | /* intel 915G registers */ | |
108 | #define I915_GMADDR 0x18 | |
109 | #define I915_MMADDR 0x10 | |
110 | #define I915_PTEADDR 0x1C | |
111 | #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) | |
112 | #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) | |
25ce77ab ZW |
113 | #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) |
114 | #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) | |
115 | #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) | |
116 | #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) | |
117 | #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) | |
118 | #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) | |
119 | ||
6c00a61e | 120 | #define I915_IFPADDR 0x60 |
1da177e4 | 121 | |
65c25aad EA |
122 | /* Intel 965G registers */ |
123 | #define I965_MSAC 0x62 | |
6c00a61e | 124 | #define I965_IFPADDR 0x70 |
1da177e4 LT |
125 | |
126 | /* Intel 7505 registers */ | |
127 | #define INTEL_I7505_APSIZE 0x74 | |
128 | #define INTEL_I7505_NCAPID 0x60 | |
129 | #define INTEL_I7505_NISTAT 0x6c | |
130 | #define INTEL_I7505_ATTBASE 0x78 | |
131 | #define INTEL_I7505_ERRSTS 0x42 | |
132 | #define INTEL_I7505_AGPCTRL 0x70 | |
133 | #define INTEL_I7505_MCHCFG 0x50 | |
134 | ||
e5524f35 | 135 | static const struct aper_size_info_fixed intel_i810_sizes[] = |
1da177e4 LT |
136 | { |
137 | {64, 16384, 4}, | |
138 | /* The 32M mode still requires a 64k gatt */ | |
139 | {32, 8192, 4} | |
140 | }; | |
141 | ||
142 | #define AGP_DCACHE_MEMORY 1 | |
143 | #define AGP_PHYS_MEMORY 2 | |
a030ce44 | 144 | #define INTEL_AGP_CACHED_MEMORY 3 |
1da177e4 LT |
145 | |
146 | static struct gatt_mask intel_i810_masks[] = | |
147 | { | |
148 | {.mask = I810_PTE_VALID, .type = 0}, | |
149 | {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY}, | |
a030ce44 TH |
150 | {.mask = I810_PTE_VALID, .type = 0}, |
151 | {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED, | |
152 | .type = INTEL_AGP_CACHED_MEMORY} | |
1da177e4 LT |
153 | }; |
154 | ||
c4ca8817 WZ |
155 | static struct _intel_private { |
156 | struct pci_dev *pcidev; /* device one */ | |
157 | u8 __iomem *registers; | |
158 | u32 __iomem *gtt; /* I915G */ | |
1da177e4 | 159 | int num_dcache_entries; |
c4ca8817 WZ |
160 | /* gtt_entries is the number of gtt entries that are already mapped |
161 | * to stolen memory. Stolen memory is larger than the memory mapped | |
162 | * through gtt_entries, as it includes some reserved space for the BIOS | |
163 | * popup and for the GTT. | |
164 | */ | |
165 | int gtt_entries; /* i830+ */ | |
2162e6a2 DA |
166 | union { |
167 | void __iomem *i9xx_flush_page; | |
168 | void *i8xx_flush_page; | |
169 | }; | |
170 | struct page *i8xx_page; | |
6c00a61e | 171 | struct resource ifp_resource; |
4d64dd9e | 172 | int resource_valid; |
c4ca8817 | 173 | } intel_private; |
1da177e4 LT |
174 | |
175 | static int intel_i810_fetch_size(void) | |
176 | { | |
177 | u32 smram_miscc; | |
178 | struct aper_size_info_fixed *values; | |
179 | ||
180 | pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc); | |
181 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
182 | ||
183 | if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { | |
e3cf6951 | 184 | dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n"); |
1da177e4 LT |
185 | return 0; |
186 | } | |
187 | if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { | |
188 | agp_bridge->previous_size = | |
189 | agp_bridge->current_size = (void *) (values + 1); | |
190 | agp_bridge->aperture_size_idx = 1; | |
191 | return values[1].size; | |
192 | } else { | |
193 | agp_bridge->previous_size = | |
194 | agp_bridge->current_size = (void *) (values); | |
195 | agp_bridge->aperture_size_idx = 0; | |
196 | return values[0].size; | |
197 | } | |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
202 | static int intel_i810_configure(void) | |
203 | { | |
204 | struct aper_size_info_fixed *current_size; | |
205 | u32 temp; | |
206 | int i; | |
207 | ||
208 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
209 | ||
c4ca8817 WZ |
210 | if (!intel_private.registers) { |
211 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); | |
e4ac5e4f DJ |
212 | temp &= 0xfff80000; |
213 | ||
c4ca8817 WZ |
214 | intel_private.registers = ioremap(temp, 128 * 4096); |
215 | if (!intel_private.registers) { | |
e3cf6951 BH |
216 | dev_err(&intel_private.pcidev->dev, |
217 | "can't remap memory\n"); | |
e4ac5e4f DJ |
218 | return -ENOMEM; |
219 | } | |
1da177e4 LT |
220 | } |
221 | ||
c4ca8817 | 222 | if ((readl(intel_private.registers+I810_DRAM_CTL) |
1da177e4 LT |
223 | & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { |
224 | /* This will need to be dynamically assigned */ | |
e3cf6951 BH |
225 | dev_info(&intel_private.pcidev->dev, |
226 | "detected 4MB dedicated video ram\n"); | |
c4ca8817 | 227 | intel_private.num_dcache_entries = 1024; |
1da177e4 | 228 | } |
c4ca8817 | 229 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 | 230 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
c4ca8817 WZ |
231 | writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
232 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
233 | |
234 | if (agp_bridge->driver->needs_scratch_page) { | |
235 | for (i = 0; i < current_size->num_entries; i++) { | |
c4ca8817 | 236 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 237 | } |
44d49441 | 238 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ |
1da177e4 LT |
239 | } |
240 | global_cache_flush(); | |
241 | return 0; | |
242 | } | |
243 | ||
244 | static void intel_i810_cleanup(void) | |
245 | { | |
c4ca8817 WZ |
246 | writel(0, intel_private.registers+I810_PGETBL_CTL); |
247 | readl(intel_private.registers); /* PCI Posting. */ | |
248 | iounmap(intel_private.registers); | |
1da177e4 LT |
249 | } |
250 | ||
251 | static void intel_i810_tlbflush(struct agp_memory *mem) | |
252 | { | |
253 | return; | |
254 | } | |
255 | ||
256 | static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode) | |
257 | { | |
258 | return; | |
259 | } | |
260 | ||
261 | /* Exists to support ARGB cursors */ | |
07613ba2 | 262 | static struct page *i8xx_alloc_pages(void) |
1da177e4 | 263 | { |
f011ae74 | 264 | struct page *page; |
1da177e4 | 265 | |
66c669ba | 266 | page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2); |
1da177e4 LT |
267 | if (page == NULL) |
268 | return NULL; | |
269 | ||
6d238cc4 AV |
270 | if (set_pages_uc(page, 4) < 0) { |
271 | set_pages_wb(page, 4); | |
89cf7ccc | 272 | __free_pages(page, 2); |
1da177e4 LT |
273 | return NULL; |
274 | } | |
1da177e4 | 275 | get_page(page); |
1da177e4 | 276 | atomic_inc(&agp_bridge->current_memory_agp); |
07613ba2 | 277 | return page; |
1da177e4 LT |
278 | } |
279 | ||
07613ba2 | 280 | static void i8xx_destroy_pages(struct page *page) |
1da177e4 | 281 | { |
07613ba2 | 282 | if (page == NULL) |
1da177e4 LT |
283 | return; |
284 | ||
6d238cc4 | 285 | set_pages_wb(page, 4); |
1da177e4 | 286 | put_page(page); |
89cf7ccc | 287 | __free_pages(page, 2); |
1da177e4 LT |
288 | atomic_dec(&agp_bridge->current_memory_agp); |
289 | } | |
290 | ||
a030ce44 TH |
291 | static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge, |
292 | int type) | |
293 | { | |
294 | if (type < AGP_USER_TYPES) | |
295 | return type; | |
296 | else if (type == AGP_USER_CACHED_MEMORY) | |
297 | return INTEL_AGP_CACHED_MEMORY; | |
298 | else | |
299 | return 0; | |
300 | } | |
301 | ||
1da177e4 LT |
302 | static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, |
303 | int type) | |
304 | { | |
305 | int i, j, num_entries; | |
306 | void *temp; | |
a030ce44 TH |
307 | int ret = -EINVAL; |
308 | int mask_type; | |
1da177e4 | 309 | |
5aa80c72 | 310 | if (mem->page_count == 0) |
a030ce44 | 311 | goto out; |
5aa80c72 | 312 | |
1da177e4 LT |
313 | temp = agp_bridge->current_size; |
314 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
315 | ||
6a92a4e0 | 316 | if ((pg_start + mem->page_count) > num_entries) |
a030ce44 | 317 | goto out_err; |
6a92a4e0 | 318 | |
1da177e4 | 319 | |
a030ce44 TH |
320 | for (j = pg_start; j < (pg_start + mem->page_count); j++) { |
321 | if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) { | |
322 | ret = -EBUSY; | |
323 | goto out_err; | |
1da177e4 | 324 | } |
1da177e4 LT |
325 | } |
326 | ||
a030ce44 TH |
327 | if (type != mem->type) |
328 | goto out_err; | |
5aa80c72 | 329 | |
a030ce44 TH |
330 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
331 | ||
332 | switch (mask_type) { | |
333 | case AGP_DCACHE_MEMORY: | |
334 | if (!mem->is_flushed) | |
335 | global_cache_flush(); | |
336 | for (i = pg_start; i < (pg_start + mem->page_count); i++) { | |
337 | writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, | |
c4ca8817 | 338 | intel_private.registers+I810_PTE_BASE+(i*4)); |
a030ce44 | 339 | } |
c4ca8817 | 340 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
a030ce44 TH |
341 | break; |
342 | case AGP_PHYS_MEMORY: | |
343 | case AGP_NORMAL_MEMORY: | |
344 | if (!mem->is_flushed) | |
345 | global_cache_flush(); | |
346 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
347 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
07613ba2 | 348 | mem->pages[i], |
a030ce44 | 349 | mask_type), |
c4ca8817 | 350 | intel_private.registers+I810_PTE_BASE+(j*4)); |
a030ce44 | 351 | } |
c4ca8817 | 352 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
a030ce44 TH |
353 | break; |
354 | default: | |
355 | goto out_err; | |
1da177e4 | 356 | } |
1da177e4 LT |
357 | |
358 | agp_bridge->driver->tlb_flush(mem); | |
a030ce44 TH |
359 | out: |
360 | ret = 0; | |
361 | out_err: | |
9516b030 | 362 | mem->is_flushed = true; |
a030ce44 | 363 | return ret; |
1da177e4 LT |
364 | } |
365 | ||
366 | static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, | |
367 | int type) | |
368 | { | |
369 | int i; | |
370 | ||
5aa80c72 TH |
371 | if (mem->page_count == 0) |
372 | return 0; | |
373 | ||
1da177e4 | 374 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
c4ca8817 | 375 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 376 | } |
c4ca8817 | 377 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 378 | |
1da177e4 LT |
379 | agp_bridge->driver->tlb_flush(mem); |
380 | return 0; | |
381 | } | |
382 | ||
383 | /* | |
384 | * The i810/i830 requires a physical address to program its mouse | |
385 | * pointer into hardware. | |
386 | * However the Xserver still writes to it through the agp aperture. | |
387 | */ | |
388 | static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type) | |
389 | { | |
390 | struct agp_memory *new; | |
07613ba2 | 391 | struct page *page; |
1da177e4 | 392 | |
1da177e4 | 393 | switch (pg_count) { |
07613ba2 | 394 | case 1: page = agp_bridge->driver->agp_alloc_page(agp_bridge); |
1da177e4 LT |
395 | break; |
396 | case 4: | |
397 | /* kludge to get 4 physical pages for ARGB cursor */ | |
07613ba2 | 398 | page = i8xx_alloc_pages(); |
1da177e4 LT |
399 | break; |
400 | default: | |
401 | return NULL; | |
402 | } | |
403 | ||
07613ba2 | 404 | if (page == NULL) |
1da177e4 LT |
405 | return NULL; |
406 | ||
407 | new = agp_create_memory(pg_count); | |
408 | if (new == NULL) | |
409 | return NULL; | |
410 | ||
07613ba2 | 411 | new->pages[0] = page; |
1da177e4 LT |
412 | if (pg_count == 4) { |
413 | /* kludge to get 4 physical pages for ARGB cursor */ | |
07613ba2 DA |
414 | new->pages[1] = new->pages[0] + 1; |
415 | new->pages[2] = new->pages[1] + 1; | |
416 | new->pages[3] = new->pages[2] + 1; | |
1da177e4 LT |
417 | } |
418 | new->page_count = pg_count; | |
419 | new->num_scratch_pages = pg_count; | |
420 | new->type = AGP_PHYS_MEMORY; | |
07613ba2 | 421 | new->physical = page_to_phys(new->pages[0]); |
1da177e4 LT |
422 | return new; |
423 | } | |
424 | ||
425 | static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) | |
426 | { | |
427 | struct agp_memory *new; | |
428 | ||
429 | if (type == AGP_DCACHE_MEMORY) { | |
c4ca8817 | 430 | if (pg_count != intel_private.num_dcache_entries) |
1da177e4 LT |
431 | return NULL; |
432 | ||
433 | new = agp_create_memory(1); | |
434 | if (new == NULL) | |
435 | return NULL; | |
436 | ||
437 | new->type = AGP_DCACHE_MEMORY; | |
438 | new->page_count = pg_count; | |
439 | new->num_scratch_pages = 0; | |
a030ce44 | 440 | agp_free_page_array(new); |
1da177e4 LT |
441 | return new; |
442 | } | |
443 | if (type == AGP_PHYS_MEMORY) | |
444 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
445 | return NULL; |
446 | } | |
447 | ||
448 | static void intel_i810_free_by_type(struct agp_memory *curr) | |
449 | { | |
450 | agp_free_key(curr->key); | |
6a92a4e0 | 451 | if (curr->type == AGP_PHYS_MEMORY) { |
1da177e4 | 452 | if (curr->page_count == 4) |
07613ba2 | 453 | i8xx_destroy_pages(curr->pages[0]); |
88d51967 | 454 | else { |
07613ba2 | 455 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
a2721e99 | 456 | AGP_PAGE_DESTROY_UNMAP); |
07613ba2 | 457 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
a2721e99 | 458 | AGP_PAGE_DESTROY_FREE); |
88d51967 | 459 | } |
a030ce44 | 460 | agp_free_page_array(curr); |
1da177e4 LT |
461 | } |
462 | kfree(curr); | |
463 | } | |
464 | ||
465 | static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge, | |
07613ba2 | 466 | struct page *page, int type) |
1da177e4 | 467 | { |
07613ba2 | 468 | unsigned long addr = phys_to_gart(page_to_phys(page)); |
1da177e4 LT |
469 | /* Type checking must be done elsewhere */ |
470 | return addr | bridge->driver->masks[type].mask; | |
471 | } | |
472 | ||
473 | static struct aper_size_info_fixed intel_i830_sizes[] = | |
474 | { | |
475 | {128, 32768, 5}, | |
476 | /* The 64M mode still requires a 128k gatt */ | |
477 | {64, 16384, 5}, | |
478 | {256, 65536, 6}, | |
65c25aad | 479 | {512, 131072, 7}, |
1da177e4 LT |
480 | }; |
481 | ||
1da177e4 LT |
482 | static void intel_i830_init_gtt_entries(void) |
483 | { | |
484 | u16 gmch_ctrl; | |
485 | int gtt_entries; | |
486 | u8 rdct; | |
487 | int local = 0; | |
488 | static const int ddt[4] = { 0, 16, 32, 64 }; | |
c41e0deb | 489 | int size; /* reserved space (in kb) at the top of stolen memory */ |
1da177e4 | 490 | |
f011ae74 | 491 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 492 | |
c41e0deb EA |
493 | if (IS_I965) { |
494 | u32 pgetbl_ctl; | |
c4ca8817 | 495 | pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); |
c41e0deb | 496 | |
c41e0deb EA |
497 | /* The 965 has a field telling us the size of the GTT, |
498 | * which may be larger than what is necessary to map the | |
499 | * aperture. | |
500 | */ | |
501 | switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { | |
502 | case I965_PGETBL_SIZE_128KB: | |
503 | size = 128; | |
504 | break; | |
505 | case I965_PGETBL_SIZE_256KB: | |
506 | size = 256; | |
507 | break; | |
508 | case I965_PGETBL_SIZE_512KB: | |
509 | size = 512; | |
510 | break; | |
4e8b6e25 ZW |
511 | case I965_PGETBL_SIZE_1MB: |
512 | size = 1024; | |
513 | break; | |
514 | case I965_PGETBL_SIZE_2MB: | |
515 | size = 2048; | |
516 | break; | |
517 | case I965_PGETBL_SIZE_1_5MB: | |
518 | size = 1024 + 512; | |
519 | break; | |
c41e0deb | 520 | default: |
e3cf6951 BH |
521 | dev_info(&intel_private.pcidev->dev, |
522 | "unknown page table size, assuming 512KB\n"); | |
c41e0deb EA |
523 | size = 512; |
524 | } | |
525 | size += 4; /* add in BIOS popup space */ | |
2177832f | 526 | } else if (IS_G33 && !IS_IGD) { |
874808c6 WZ |
527 | /* G33's GTT size defined in gmch_ctrl */ |
528 | switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) { | |
529 | case G33_PGETBL_SIZE_1M: | |
530 | size = 1024; | |
531 | break; | |
532 | case G33_PGETBL_SIZE_2M: | |
533 | size = 2048; | |
534 | break; | |
535 | default: | |
e3cf6951 BH |
536 | dev_info(&agp_bridge->dev->dev, |
537 | "unknown page table size 0x%x, assuming 512KB\n", | |
874808c6 WZ |
538 | (gmch_ctrl & G33_PGETBL_SIZE_MASK)); |
539 | size = 512; | |
540 | } | |
541 | size += 4; | |
2177832f | 542 | } else if (IS_G4X || IS_IGD) { |
25ce77ab | 543 | /* On 4 series hardware, GTT stolen is separate from graphics |
82e14a62 EA |
544 | * stolen, ignore it in stolen gtt entries counting. However, |
545 | * 4KB of the stolen memory doesn't get mapped to the GTT. | |
546 | */ | |
547 | size = 4; | |
c41e0deb EA |
548 | } else { |
549 | /* On previous hardware, the GTT size was just what was | |
550 | * required to map the aperture. | |
551 | */ | |
552 | size = agp_bridge->driver->fetch_size() + 4; | |
553 | } | |
1da177e4 LT |
554 | |
555 | if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || | |
556 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { | |
557 | switch (gmch_ctrl & I830_GMCH_GMS_MASK) { | |
558 | case I830_GMCH_GMS_STOLEN_512: | |
559 | gtt_entries = KB(512) - KB(size); | |
560 | break; | |
561 | case I830_GMCH_GMS_STOLEN_1024: | |
562 | gtt_entries = MB(1) - KB(size); | |
563 | break; | |
564 | case I830_GMCH_GMS_STOLEN_8192: | |
565 | gtt_entries = MB(8) - KB(size); | |
566 | break; | |
567 | case I830_GMCH_GMS_LOCAL: | |
c4ca8817 | 568 | rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); |
1da177e4 LT |
569 | gtt_entries = (I830_RDRAM_ND(rdct) + 1) * |
570 | MB(ddt[I830_RDRAM_DDT(rdct)]); | |
571 | local = 1; | |
572 | break; | |
573 | default: | |
574 | gtt_entries = 0; | |
575 | break; | |
576 | } | |
577 | } else { | |
e67aa27a | 578 | switch (gmch_ctrl & I855_GMCH_GMS_MASK) { |
1da177e4 LT |
579 | case I855_GMCH_GMS_STOLEN_1M: |
580 | gtt_entries = MB(1) - KB(size); | |
581 | break; | |
582 | case I855_GMCH_GMS_STOLEN_4M: | |
583 | gtt_entries = MB(4) - KB(size); | |
584 | break; | |
585 | case I855_GMCH_GMS_STOLEN_8M: | |
586 | gtt_entries = MB(8) - KB(size); | |
587 | break; | |
588 | case I855_GMCH_GMS_STOLEN_16M: | |
589 | gtt_entries = MB(16) - KB(size); | |
590 | break; | |
591 | case I855_GMCH_GMS_STOLEN_32M: | |
592 | gtt_entries = MB(32) - KB(size); | |
593 | break; | |
594 | case I915_GMCH_GMS_STOLEN_48M: | |
595 | /* Check it's really I915G */ | |
25ce77ab | 596 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
597 | gtt_entries = MB(48) - KB(size); |
598 | else | |
599 | gtt_entries = 0; | |
600 | break; | |
601 | case I915_GMCH_GMS_STOLEN_64M: | |
602 | /* Check it's really I915G */ | |
25ce77ab | 603 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
604 | gtt_entries = MB(64) - KB(size); |
605 | else | |
606 | gtt_entries = 0; | |
874808c6 WZ |
607 | break; |
608 | case G33_GMCH_GMS_STOLEN_128M: | |
25ce77ab | 609 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
610 | gtt_entries = MB(128) - KB(size); |
611 | else | |
612 | gtt_entries = 0; | |
613 | break; | |
614 | case G33_GMCH_GMS_STOLEN_256M: | |
25ce77ab | 615 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
616 | gtt_entries = MB(256) - KB(size); |
617 | else | |
618 | gtt_entries = 0; | |
619 | break; | |
25ce77ab ZW |
620 | case INTEL_GMCH_GMS_STOLEN_96M: |
621 | if (IS_I965 || IS_G4X) | |
622 | gtt_entries = MB(96) - KB(size); | |
623 | else | |
624 | gtt_entries = 0; | |
625 | break; | |
626 | case INTEL_GMCH_GMS_STOLEN_160M: | |
627 | if (IS_I965 || IS_G4X) | |
628 | gtt_entries = MB(160) - KB(size); | |
629 | else | |
630 | gtt_entries = 0; | |
631 | break; | |
632 | case INTEL_GMCH_GMS_STOLEN_224M: | |
633 | if (IS_I965 || IS_G4X) | |
634 | gtt_entries = MB(224) - KB(size); | |
635 | else | |
636 | gtt_entries = 0; | |
637 | break; | |
638 | case INTEL_GMCH_GMS_STOLEN_352M: | |
639 | if (IS_I965 || IS_G4X) | |
640 | gtt_entries = MB(352) - KB(size); | |
641 | else | |
642 | gtt_entries = 0; | |
643 | break; | |
1da177e4 LT |
644 | default: |
645 | gtt_entries = 0; | |
646 | break; | |
647 | } | |
648 | } | |
9c1e8a4e | 649 | if (gtt_entries > 0) { |
e3cf6951 | 650 | dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n", |
1da177e4 | 651 | gtt_entries / KB(1), local ? "local" : "stolen"); |
9c1e8a4e LR |
652 | gtt_entries /= KB(4); |
653 | } else { | |
e3cf6951 BH |
654 | dev_info(&agp_bridge->dev->dev, |
655 | "no pre-allocated video memory detected\n"); | |
9c1e8a4e LR |
656 | gtt_entries = 0; |
657 | } | |
1da177e4 | 658 | |
c4ca8817 | 659 | intel_private.gtt_entries = gtt_entries; |
1da177e4 LT |
660 | } |
661 | ||
2162e6a2 DA |
662 | static void intel_i830_fini_flush(void) |
663 | { | |
664 | kunmap(intel_private.i8xx_page); | |
665 | intel_private.i8xx_flush_page = NULL; | |
666 | unmap_page_from_agp(intel_private.i8xx_page); | |
2162e6a2 DA |
667 | |
668 | __free_page(intel_private.i8xx_page); | |
4d64dd9e | 669 | intel_private.i8xx_page = NULL; |
2162e6a2 DA |
670 | } |
671 | ||
672 | static void intel_i830_setup_flush(void) | |
673 | { | |
4d64dd9e DA |
674 | /* return if we've already set the flush mechanism up */ |
675 | if (intel_private.i8xx_page) | |
676 | return; | |
2162e6a2 DA |
677 | |
678 | intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); | |
f011ae74 | 679 | if (!intel_private.i8xx_page) |
2162e6a2 | 680 | return; |
2162e6a2 DA |
681 | |
682 | /* make page uncached */ | |
683 | map_page_into_agp(intel_private.i8xx_page); | |
2162e6a2 DA |
684 | |
685 | intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); | |
686 | if (!intel_private.i8xx_flush_page) | |
687 | intel_i830_fini_flush(); | |
688 | } | |
689 | ||
690 | static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) | |
691 | { | |
692 | unsigned int *pg = intel_private.i8xx_flush_page; | |
693 | int i; | |
694 | ||
f011ae74 | 695 | for (i = 0; i < 256; i += 2) |
2162e6a2 | 696 | *(pg + i) = i; |
f011ae74 | 697 | |
2162e6a2 DA |
698 | wmb(); |
699 | } | |
700 | ||
1da177e4 LT |
701 | /* The intel i830 automatically initializes the agp aperture during POST. |
702 | * Use the memory already set aside for in the GTT. | |
703 | */ | |
704 | static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) | |
705 | { | |
706 | int page_order; | |
707 | struct aper_size_info_fixed *size; | |
708 | int num_entries; | |
709 | u32 temp; | |
710 | ||
711 | size = agp_bridge->current_size; | |
712 | page_order = size->page_order; | |
713 | num_entries = size->num_entries; | |
714 | agp_bridge->gatt_table_real = NULL; | |
715 | ||
f011ae74 | 716 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); |
1da177e4 LT |
717 | temp &= 0xfff80000; |
718 | ||
f011ae74 | 719 | intel_private.registers = ioremap(temp, 128 * 4096); |
c4ca8817 | 720 | if (!intel_private.registers) |
1da177e4 LT |
721 | return -ENOMEM; |
722 | ||
c4ca8817 | 723 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
724 | global_cache_flush(); /* FIXME: ?? */ |
725 | ||
726 | /* we have to call this as early as possible after the MMIO base address is known */ | |
727 | intel_i830_init_gtt_entries(); | |
728 | ||
729 | agp_bridge->gatt_table = NULL; | |
730 | ||
731 | agp_bridge->gatt_bus_addr = temp; | |
732 | ||
733 | return 0; | |
734 | } | |
735 | ||
736 | /* Return the gatt table to a sane state. Use the top of stolen | |
737 | * memory for the GTT. | |
738 | */ | |
739 | static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge) | |
740 | { | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int intel_i830_fetch_size(void) | |
745 | { | |
746 | u16 gmch_ctrl; | |
747 | struct aper_size_info_fixed *values; | |
748 | ||
749 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
750 | ||
751 | if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB && | |
752 | agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) { | |
753 | /* 855GM/852GM/865G has 128MB aperture size */ | |
754 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
755 | agp_bridge->aperture_size_idx = 0; | |
756 | return values[0].size; | |
757 | } | |
758 | ||
f011ae74 | 759 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 LT |
760 | |
761 | if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { | |
762 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
763 | agp_bridge->aperture_size_idx = 0; | |
764 | return values[0].size; | |
765 | } else { | |
766 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1); | |
767 | agp_bridge->aperture_size_idx = 1; | |
768 | return values[1].size; | |
769 | } | |
770 | ||
771 | return 0; | |
772 | } | |
773 | ||
774 | static int intel_i830_configure(void) | |
775 | { | |
776 | struct aper_size_info_fixed *current_size; | |
777 | u32 temp; | |
778 | u16 gmch_ctrl; | |
779 | int i; | |
780 | ||
781 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
782 | ||
f011ae74 | 783 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 LT |
784 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
785 | ||
f011ae74 | 786 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 787 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 788 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 789 | |
c4ca8817 WZ |
790 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
791 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
792 | |
793 | if (agp_bridge->driver->needs_scratch_page) { | |
c4ca8817 WZ |
794 | for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { |
795 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); | |
1da177e4 | 796 | } |
44d49441 | 797 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ |
1da177e4 LT |
798 | } |
799 | ||
800 | global_cache_flush(); | |
2162e6a2 DA |
801 | |
802 | intel_i830_setup_flush(); | |
1da177e4 LT |
803 | return 0; |
804 | } | |
805 | ||
806 | static void intel_i830_cleanup(void) | |
807 | { | |
c4ca8817 | 808 | iounmap(intel_private.registers); |
1da177e4 LT |
809 | } |
810 | ||
f011ae74 DA |
811 | static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, |
812 | int type) | |
1da177e4 | 813 | { |
f011ae74 | 814 | int i, j, num_entries; |
1da177e4 | 815 | void *temp; |
a030ce44 TH |
816 | int ret = -EINVAL; |
817 | int mask_type; | |
1da177e4 | 818 | |
5aa80c72 | 819 | if (mem->page_count == 0) |
a030ce44 | 820 | goto out; |
5aa80c72 | 821 | |
1da177e4 LT |
822 | temp = agp_bridge->current_size; |
823 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
824 | ||
c4ca8817 | 825 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
826 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
827 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
828 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 829 | |
e3cf6951 BH |
830 | dev_info(&intel_private.pcidev->dev, |
831 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 832 | goto out_err; |
1da177e4 LT |
833 | } |
834 | ||
835 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 836 | goto out_err; |
1da177e4 LT |
837 | |
838 | /* The i830 can't check the GTT for entries since its read only, | |
839 | * depend on the caller to make the correct offset decisions. | |
840 | */ | |
841 | ||
a030ce44 TH |
842 | if (type != mem->type) |
843 | goto out_err; | |
844 | ||
845 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 846 | |
a030ce44 TH |
847 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
848 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
849 | goto out_err; | |
850 | ||
851 | if (!mem->is_flushed) | |
5aa80c72 | 852 | global_cache_flush(); |
1da177e4 LT |
853 | |
854 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
855 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
07613ba2 | 856 | mem->pages[i], mask_type), |
c4ca8817 | 857 | intel_private.registers+I810_PTE_BASE+(j*4)); |
1da177e4 | 858 | } |
c4ca8817 | 859 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
1da177e4 | 860 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
861 | |
862 | out: | |
863 | ret = 0; | |
864 | out_err: | |
9516b030 | 865 | mem->is_flushed = true; |
a030ce44 | 866 | return ret; |
1da177e4 LT |
867 | } |
868 | ||
f011ae74 DA |
869 | static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, |
870 | int type) | |
1da177e4 LT |
871 | { |
872 | int i; | |
873 | ||
5aa80c72 TH |
874 | if (mem->page_count == 0) |
875 | return 0; | |
1da177e4 | 876 | |
c4ca8817 | 877 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
878 | dev_info(&intel_private.pcidev->dev, |
879 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
880 | return -EINVAL; |
881 | } | |
882 | ||
883 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { | |
c4ca8817 | 884 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 885 | } |
c4ca8817 | 886 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 887 | |
1da177e4 LT |
888 | agp_bridge->driver->tlb_flush(mem); |
889 | return 0; | |
890 | } | |
891 | ||
f011ae74 | 892 | static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type) |
1da177e4 LT |
893 | { |
894 | if (type == AGP_PHYS_MEMORY) | |
895 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
896 | /* always return NULL for other allocation types for now */ |
897 | return NULL; | |
898 | } | |
899 | ||
6c00a61e DA |
900 | static int intel_alloc_chipset_flush_resource(void) |
901 | { | |
902 | int ret; | |
903 | ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE, | |
904 | PAGE_SIZE, PCIBIOS_MIN_MEM, 0, | |
905 | pcibios_align_resource, agp_bridge->dev); | |
6c00a61e | 906 | |
2162e6a2 | 907 | return ret; |
6c00a61e DA |
908 | } |
909 | ||
910 | static void intel_i915_setup_chipset_flush(void) | |
911 | { | |
912 | int ret; | |
913 | u32 temp; | |
914 | ||
915 | pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp); | |
916 | if (!(temp & 0x1)) { | |
917 | intel_alloc_chipset_flush_resource(); | |
4d64dd9e | 918 | intel_private.resource_valid = 1; |
6c00a61e DA |
919 | pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
920 | } else { | |
921 | temp &= ~1; | |
922 | ||
4d64dd9e | 923 | intel_private.resource_valid = 1; |
6c00a61e DA |
924 | intel_private.ifp_resource.start = temp; |
925 | intel_private.ifp_resource.end = temp + PAGE_SIZE; | |
926 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
927 | /* some BIOSes reserve this area in a pnp some don't */ |
928 | if (ret) | |
929 | intel_private.resource_valid = 0; | |
6c00a61e DA |
930 | } |
931 | } | |
932 | ||
933 | static void intel_i965_g33_setup_chipset_flush(void) | |
934 | { | |
935 | u32 temp_hi, temp_lo; | |
936 | int ret; | |
937 | ||
938 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi); | |
939 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo); | |
940 | ||
941 | if (!(temp_lo & 0x1)) { | |
942 | ||
943 | intel_alloc_chipset_flush_resource(); | |
944 | ||
4d64dd9e | 945 | intel_private.resource_valid = 1; |
1fa4db7d AM |
946 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4, |
947 | upper_32_bits(intel_private.ifp_resource.start)); | |
6c00a61e | 948 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
6c00a61e DA |
949 | } else { |
950 | u64 l64; | |
f011ae74 | 951 | |
6c00a61e DA |
952 | temp_lo &= ~0x1; |
953 | l64 = ((u64)temp_hi << 32) | temp_lo; | |
954 | ||
4d64dd9e | 955 | intel_private.resource_valid = 1; |
6c00a61e DA |
956 | intel_private.ifp_resource.start = l64; |
957 | intel_private.ifp_resource.end = l64 + PAGE_SIZE; | |
958 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
959 | /* some BIOSes reserve this area in a pnp some don't */ |
960 | if (ret) | |
961 | intel_private.resource_valid = 0; | |
6c00a61e DA |
962 | } |
963 | } | |
964 | ||
2162e6a2 DA |
965 | static void intel_i9xx_setup_flush(void) |
966 | { | |
4d64dd9e DA |
967 | /* return if already configured */ |
968 | if (intel_private.ifp_resource.start) | |
969 | return; | |
2162e6a2 | 970 | |
4d64dd9e | 971 | /* setup a resource for this object */ |
2162e6a2 DA |
972 | intel_private.ifp_resource.name = "Intel Flush Page"; |
973 | intel_private.ifp_resource.flags = IORESOURCE_MEM; | |
974 | ||
975 | /* Setup chipset flush for 915 */ | |
7d15ddf7 | 976 | if (IS_I965 || IS_G33 || IS_G4X) { |
2162e6a2 DA |
977 | intel_i965_g33_setup_chipset_flush(); |
978 | } else { | |
979 | intel_i915_setup_chipset_flush(); | |
980 | } | |
981 | ||
982 | if (intel_private.ifp_resource.start) { | |
983 | intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); | |
984 | if (!intel_private.i9xx_flush_page) | |
e3cf6951 | 985 | dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing"); |
2162e6a2 DA |
986 | } |
987 | } | |
988 | ||
1da177e4 LT |
989 | static int intel_i915_configure(void) |
990 | { | |
991 | struct aper_size_info_fixed *current_size; | |
992 | u32 temp; | |
993 | u16 gmch_ctrl; | |
994 | int i; | |
995 | ||
996 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
997 | ||
c4ca8817 | 998 | pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp); |
1da177e4 LT |
999 | |
1000 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1001 | ||
f011ae74 | 1002 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 1003 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 1004 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 1005 | |
c4ca8817 WZ |
1006 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
1007 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
1008 | |
1009 | if (agp_bridge->driver->needs_scratch_page) { | |
c4ca8817 WZ |
1010 | for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { |
1011 | writel(agp_bridge->scratch_page, intel_private.gtt+i); | |
1da177e4 | 1012 | } |
44d49441 | 1013 | readl(intel_private.gtt+i-1); /* PCI Posting. */ |
1da177e4 LT |
1014 | } |
1015 | ||
1016 | global_cache_flush(); | |
6c00a61e | 1017 | |
2162e6a2 | 1018 | intel_i9xx_setup_flush(); |
f011ae74 | 1019 | |
1da177e4 LT |
1020 | return 0; |
1021 | } | |
1022 | ||
1023 | static void intel_i915_cleanup(void) | |
1024 | { | |
2162e6a2 DA |
1025 | if (intel_private.i9xx_flush_page) |
1026 | iounmap(intel_private.i9xx_flush_page); | |
4d64dd9e DA |
1027 | if (intel_private.resource_valid) |
1028 | release_resource(&intel_private.ifp_resource); | |
1029 | intel_private.ifp_resource.start = 0; | |
1030 | intel_private.resource_valid = 0; | |
c4ca8817 WZ |
1031 | iounmap(intel_private.gtt); |
1032 | iounmap(intel_private.registers); | |
1da177e4 LT |
1033 | } |
1034 | ||
6c00a61e DA |
1035 | static void intel_i915_chipset_flush(struct agp_bridge_data *bridge) |
1036 | { | |
2162e6a2 DA |
1037 | if (intel_private.i9xx_flush_page) |
1038 | writel(1, intel_private.i9xx_flush_page); | |
6c00a61e DA |
1039 | } |
1040 | ||
f011ae74 DA |
1041 | static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, |
1042 | int type) | |
1da177e4 | 1043 | { |
f011ae74 | 1044 | int i, j, num_entries; |
1da177e4 | 1045 | void *temp; |
a030ce44 TH |
1046 | int ret = -EINVAL; |
1047 | int mask_type; | |
1da177e4 | 1048 | |
5aa80c72 | 1049 | if (mem->page_count == 0) |
a030ce44 | 1050 | goto out; |
5aa80c72 | 1051 | |
1da177e4 LT |
1052 | temp = agp_bridge->current_size; |
1053 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
1054 | ||
c4ca8817 | 1055 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1056 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
1057 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
1058 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 1059 | |
e3cf6951 BH |
1060 | dev_info(&intel_private.pcidev->dev, |
1061 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 1062 | goto out_err; |
1da177e4 LT |
1063 | } |
1064 | ||
1065 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 1066 | goto out_err; |
1da177e4 | 1067 | |
a030ce44 | 1068 | /* The i915 can't check the GTT for entries since its read only, |
1da177e4 LT |
1069 | * depend on the caller to make the correct offset decisions. |
1070 | */ | |
1071 | ||
a030ce44 TH |
1072 | if (type != mem->type) |
1073 | goto out_err; | |
1074 | ||
1075 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 1076 | |
a030ce44 TH |
1077 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
1078 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
1079 | goto out_err; | |
1080 | ||
1081 | if (!mem->is_flushed) | |
5aa80c72 | 1082 | global_cache_flush(); |
1da177e4 LT |
1083 | |
1084 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
1085 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
07613ba2 | 1086 | mem->pages[i], mask_type), intel_private.gtt+j); |
1da177e4 LT |
1087 | } |
1088 | ||
c4ca8817 | 1089 | readl(intel_private.gtt+j-1); |
1da177e4 | 1090 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
1091 | |
1092 | out: | |
1093 | ret = 0; | |
1094 | out_err: | |
9516b030 | 1095 | mem->is_flushed = true; |
a030ce44 | 1096 | return ret; |
1da177e4 LT |
1097 | } |
1098 | ||
f011ae74 DA |
1099 | static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, |
1100 | int type) | |
1da177e4 LT |
1101 | { |
1102 | int i; | |
1103 | ||
5aa80c72 TH |
1104 | if (mem->page_count == 0) |
1105 | return 0; | |
1da177e4 | 1106 | |
c4ca8817 | 1107 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1108 | dev_info(&intel_private.pcidev->dev, |
1109 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
1110 | return -EINVAL; |
1111 | } | |
1112 | ||
f011ae74 | 1113 | for (i = pg_start; i < (mem->page_count + pg_start); i++) |
c4ca8817 | 1114 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
f011ae74 | 1115 | |
c4ca8817 | 1116 | readl(intel_private.gtt+i-1); |
1da177e4 | 1117 | |
1da177e4 LT |
1118 | agp_bridge->driver->tlb_flush(mem); |
1119 | return 0; | |
1120 | } | |
1121 | ||
c41e0deb EA |
1122 | /* Return the aperture size by just checking the resource length. The effect |
1123 | * described in the spec of the MSAC registers is just changing of the | |
1124 | * resource size. | |
1125 | */ | |
1126 | static int intel_i9xx_fetch_size(void) | |
1da177e4 | 1127 | { |
1eaf122c | 1128 | int num_sizes = ARRAY_SIZE(intel_i830_sizes); |
c41e0deb EA |
1129 | int aper_size; /* size in megabytes */ |
1130 | int i; | |
1da177e4 | 1131 | |
c4ca8817 | 1132 | aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1); |
1da177e4 | 1133 | |
c41e0deb EA |
1134 | for (i = 0; i < num_sizes; i++) { |
1135 | if (aper_size == intel_i830_sizes[i].size) { | |
1136 | agp_bridge->current_size = intel_i830_sizes + i; | |
1137 | agp_bridge->previous_size = agp_bridge->current_size; | |
1138 | return aper_size; | |
1139 | } | |
1140 | } | |
1da177e4 | 1141 | |
c41e0deb | 1142 | return 0; |
1da177e4 LT |
1143 | } |
1144 | ||
1145 | /* The intel i915 automatically initializes the agp aperture during POST. | |
1146 | * Use the memory already set aside for in the GTT. | |
1147 | */ | |
1148 | static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) | |
1149 | { | |
1150 | int page_order; | |
1151 | struct aper_size_info_fixed *size; | |
1152 | int num_entries; | |
1153 | u32 temp, temp2; | |
4740622c | 1154 | int gtt_map_size = 256 * 1024; |
1da177e4 LT |
1155 | |
1156 | size = agp_bridge->current_size; | |
1157 | page_order = size->page_order; | |
1158 | num_entries = size->num_entries; | |
1159 | agp_bridge->gatt_table_real = NULL; | |
1160 | ||
c4ca8817 | 1161 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
f011ae74 | 1162 | pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2); |
1da177e4 | 1163 | |
4740622c ZW |
1164 | if (IS_G33) |
1165 | gtt_map_size = 1024 * 1024; /* 1M on G33 */ | |
1166 | intel_private.gtt = ioremap(temp2, gtt_map_size); | |
c4ca8817 | 1167 | if (!intel_private.gtt) |
1da177e4 LT |
1168 | return -ENOMEM; |
1169 | ||
1170 | temp &= 0xfff80000; | |
1171 | ||
f011ae74 | 1172 | intel_private.registers = ioremap(temp, 128 * 4096); |
5bdbc7dc ST |
1173 | if (!intel_private.registers) { |
1174 | iounmap(intel_private.gtt); | |
1da177e4 | 1175 | return -ENOMEM; |
5bdbc7dc | 1176 | } |
1da177e4 | 1177 | |
c4ca8817 | 1178 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
1179 | global_cache_flush(); /* FIXME: ? */ |
1180 | ||
1181 | /* we have to call this as early as possible after the MMIO base address is known */ | |
1182 | intel_i830_init_gtt_entries(); | |
1183 | ||
1184 | agp_bridge->gatt_table = NULL; | |
1185 | ||
1186 | agp_bridge->gatt_bus_addr = temp; | |
1187 | ||
1188 | return 0; | |
1189 | } | |
7d915a38 LT |
1190 | |
1191 | /* | |
1192 | * The i965 supports 36-bit physical addresses, but to keep | |
1193 | * the format of the GTT the same, the bits that don't fit | |
1194 | * in a 32-bit word are shifted down to bits 4..7. | |
1195 | * | |
1196 | * Gcc is smart enough to notice that "(addr >> 28) & 0xf0" | |
1197 | * is always zero on 32-bit architectures, so no need to make | |
1198 | * this conditional. | |
1199 | */ | |
1200 | static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, | |
07613ba2 | 1201 | struct page *page, int type) |
7d915a38 | 1202 | { |
0b7af262 | 1203 | dma_addr_t addr = phys_to_gart(page_to_phys(page)); |
7d915a38 LT |
1204 | /* Shift high bits down */ |
1205 | addr |= (addr >> 28) & 0xf0; | |
1206 | ||
1207 | /* Type checking must be done elsewhere */ | |
1208 | return addr | bridge->driver->masks[type].mask; | |
1209 | } | |
1210 | ||
25ce77ab ZW |
1211 | static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) |
1212 | { | |
1213 | switch (agp_bridge->dev->device) { | |
99d32bd5 | 1214 | case PCI_DEVICE_ID_INTEL_GM45_HB: |
25ce77ab ZW |
1215 | case PCI_DEVICE_ID_INTEL_IGD_E_HB: |
1216 | case PCI_DEVICE_ID_INTEL_Q45_HB: | |
1217 | case PCI_DEVICE_ID_INTEL_G45_HB: | |
a50ccc6c | 1218 | case PCI_DEVICE_ID_INTEL_G41_HB: |
32cb055b ZW |
1219 | case PCI_DEVICE_ID_INTEL_IGDNG_D_HB: |
1220 | case PCI_DEVICE_ID_INTEL_IGDNG_M_HB: | |
07fb6111 | 1221 | case PCI_DEVICE_ID_INTEL_IGDNG_MA_HB: |
25ce77ab ZW |
1222 | *gtt_offset = *gtt_size = MB(2); |
1223 | break; | |
1224 | default: | |
1225 | *gtt_offset = *gtt_size = KB(512); | |
1226 | } | |
1227 | } | |
1228 | ||
65c25aad | 1229 | /* The intel i965 automatically initializes the agp aperture during POST. |
c41e0deb EA |
1230 | * Use the memory already set aside for in the GTT. |
1231 | */ | |
65c25aad EA |
1232 | static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) |
1233 | { | |
62c96b9d DA |
1234 | int page_order; |
1235 | struct aper_size_info_fixed *size; | |
1236 | int num_entries; | |
1237 | u32 temp; | |
1238 | int gtt_offset, gtt_size; | |
65c25aad | 1239 | |
62c96b9d DA |
1240 | size = agp_bridge->current_size; |
1241 | page_order = size->page_order; | |
1242 | num_entries = size->num_entries; | |
1243 | agp_bridge->gatt_table_real = NULL; | |
65c25aad | 1244 | |
62c96b9d | 1245 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
65c25aad | 1246 | |
62c96b9d | 1247 | temp &= 0xfff00000; |
65c25aad | 1248 | |
25ce77ab | 1249 | intel_i965_get_gtt_range(>t_offset, >t_size); |
4e8b6e25 | 1250 | |
62c96b9d | 1251 | intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); |
65c25aad | 1252 | |
62c96b9d DA |
1253 | if (!intel_private.gtt) |
1254 | return -ENOMEM; | |
65c25aad | 1255 | |
62c96b9d DA |
1256 | intel_private.registers = ioremap(temp, 128 * 4096); |
1257 | if (!intel_private.registers) { | |
5bdbc7dc ST |
1258 | iounmap(intel_private.gtt); |
1259 | return -ENOMEM; | |
1260 | } | |
65c25aad | 1261 | |
62c96b9d DA |
1262 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1263 | global_cache_flush(); /* FIXME: ? */ | |
65c25aad | 1264 | |
62c96b9d DA |
1265 | /* we have to call this as early as possible after the MMIO base address is known */ |
1266 | intel_i830_init_gtt_entries(); | |
65c25aad | 1267 | |
62c96b9d | 1268 | agp_bridge->gatt_table = NULL; |
65c25aad | 1269 | |
62c96b9d | 1270 | agp_bridge->gatt_bus_addr = temp; |
65c25aad | 1271 | |
62c96b9d | 1272 | return 0; |
65c25aad EA |
1273 | } |
1274 | ||
1da177e4 LT |
1275 | |
1276 | static int intel_fetch_size(void) | |
1277 | { | |
1278 | int i; | |
1279 | u16 temp; | |
1280 | struct aper_size_info_16 *values; | |
1281 | ||
1282 | pci_read_config_word(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1283 | values = A_SIZE_16(agp_bridge->driver->aperture_sizes); | |
1284 | ||
1285 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1286 | if (temp == values[i].size_value) { | |
1287 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); | |
1288 | agp_bridge->aperture_size_idx = i; | |
1289 | return values[i].size; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | static int __intel_8xx_fetch_size(u8 temp) | |
1297 | { | |
1298 | int i; | |
1299 | struct aper_size_info_8 *values; | |
1300 | ||
1301 | values = A_SIZE_8(agp_bridge->driver->aperture_sizes); | |
1302 | ||
1303 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1304 | if (temp == values[i].size_value) { | |
1305 | agp_bridge->previous_size = | |
1306 | agp_bridge->current_size = (void *) (values + i); | |
1307 | agp_bridge->aperture_size_idx = i; | |
1308 | return values[i].size; | |
1309 | } | |
1310 | } | |
1311 | return 0; | |
1312 | } | |
1313 | ||
1314 | static int intel_8xx_fetch_size(void) | |
1315 | { | |
1316 | u8 temp; | |
1317 | ||
1318 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1319 | return __intel_8xx_fetch_size(temp); | |
1320 | } | |
1321 | ||
1322 | static int intel_815_fetch_size(void) | |
1323 | { | |
1324 | u8 temp; | |
1325 | ||
1326 | /* Intel 815 chipsets have a _weird_ APSIZE register with only | |
1327 | * one non-reserved bit, so mask the others out ... */ | |
1328 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1329 | temp &= (1 << 3); | |
1330 | ||
1331 | return __intel_8xx_fetch_size(temp); | |
1332 | } | |
1333 | ||
1334 | static void intel_tlbflush(struct agp_memory *mem) | |
1335 | { | |
1336 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2200); | |
1337 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1338 | } | |
1339 | ||
1340 | ||
1341 | static void intel_8xx_tlbflush(struct agp_memory *mem) | |
1342 | { | |
1343 | u32 temp; | |
1344 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1345 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7)); | |
1346 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1347 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7)); | |
1348 | } | |
1349 | ||
1350 | ||
1351 | static void intel_cleanup(void) | |
1352 | { | |
1353 | u16 temp; | |
1354 | struct aper_size_info_16 *previous_size; | |
1355 | ||
1356 | previous_size = A_SIZE_16(agp_bridge->previous_size); | |
1357 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1358 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1359 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1360 | } | |
1361 | ||
1362 | ||
1363 | static void intel_8xx_cleanup(void) | |
1364 | { | |
1365 | u16 temp; | |
1366 | struct aper_size_info_8 *previous_size; | |
1367 | ||
1368 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1369 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1370 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1371 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1372 | } | |
1373 | ||
1374 | ||
1375 | static int intel_configure(void) | |
1376 | { | |
1377 | u32 temp; | |
1378 | u16 temp2; | |
1379 | struct aper_size_info_16 *current_size; | |
1380 | ||
1381 | current_size = A_SIZE_16(agp_bridge->current_size); | |
1382 | ||
1383 | /* aperture size */ | |
1384 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1385 | ||
1386 | /* address to map to */ | |
1387 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1388 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1389 | ||
1390 | /* attbase - aperture base */ | |
1391 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1392 | ||
1393 | /* agpctrl */ | |
1394 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1395 | ||
1396 | /* paccfg/nbxcfg */ | |
1397 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1398 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, | |
1399 | (temp2 & ~(1 << 10)) | (1 << 9)); | |
1400 | /* clear any possible error conditions */ | |
1401 | pci_write_config_byte(agp_bridge->dev, INTEL_ERRSTS + 1, 7); | |
1402 | return 0; | |
1403 | } | |
1404 | ||
1405 | static int intel_815_configure(void) | |
1406 | { | |
1407 | u32 temp, addr; | |
1408 | u8 temp2; | |
1409 | struct aper_size_info_8 *current_size; | |
1410 | ||
1411 | /* attbase - aperture base */ | |
1412 | /* the Intel 815 chipset spec. says that bits 29-31 in the | |
1413 | * ATTBASE register are reserved -> try not to write them */ | |
1414 | if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) { | |
e3cf6951 | 1415 | dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high"); |
1da177e4 LT |
1416 | return -EINVAL; |
1417 | } | |
1418 | ||
1419 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1420 | ||
1421 | /* aperture size */ | |
1422 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1423 | current_size->size_value); | |
1424 | ||
1425 | /* address to map to */ | |
1426 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1427 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1428 | ||
1429 | pci_read_config_dword(agp_bridge->dev, INTEL_ATTBASE, &addr); | |
1430 | addr &= INTEL_815_ATTBASE_MASK; | |
1431 | addr |= agp_bridge->gatt_bus_addr; | |
1432 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, addr); | |
1433 | ||
1434 | /* agpctrl */ | |
1435 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1436 | ||
1437 | /* apcont */ | |
1438 | pci_read_config_byte(agp_bridge->dev, INTEL_815_APCONT, &temp2); | |
1439 | pci_write_config_byte(agp_bridge->dev, INTEL_815_APCONT, temp2 | (1 << 1)); | |
1440 | ||
1441 | /* clear any possible error conditions */ | |
1442 | /* Oddness : this chipset seems to have no ERRSTS register ! */ | |
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | static void intel_820_tlbflush(struct agp_memory *mem) | |
1447 | { | |
1448 | return; | |
1449 | } | |
1450 | ||
1451 | static void intel_820_cleanup(void) | |
1452 | { | |
1453 | u8 temp; | |
1454 | struct aper_size_info_8 *previous_size; | |
1455 | ||
1456 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1457 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp); | |
1458 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, | |
1459 | temp & ~(1 << 1)); | |
1460 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1461 | previous_size->size_value); | |
1462 | } | |
1463 | ||
1464 | ||
1465 | static int intel_820_configure(void) | |
1466 | { | |
1467 | u32 temp; | |
1468 | u8 temp2; | |
1469 | struct aper_size_info_8 *current_size; | |
1470 | ||
1471 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1472 | ||
1473 | /* aperture size */ | |
1474 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1475 | ||
1476 | /* address to map to */ | |
1477 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1478 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1479 | ||
1480 | /* attbase - aperture base */ | |
1481 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1482 | ||
1483 | /* agpctrl */ | |
1484 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1485 | ||
1486 | /* global enable aperture access */ | |
1487 | /* This flag is not accessed through MCHCFG register as in */ | |
1488 | /* i850 chipset. */ | |
1489 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp2); | |
1490 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp2 | (1 << 1)); | |
1491 | /* clear any possible AGP-related error conditions */ | |
1492 | pci_write_config_word(agp_bridge->dev, INTEL_I820_ERRSTS, 0x001c); | |
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | static int intel_840_configure(void) | |
1497 | { | |
1498 | u32 temp; | |
1499 | u16 temp2; | |
1500 | struct aper_size_info_8 *current_size; | |
1501 | ||
1502 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1503 | ||
1504 | /* aperture size */ | |
1505 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1506 | ||
1507 | /* address to map to */ | |
1508 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1509 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1510 | ||
1511 | /* attbase - aperture base */ | |
1512 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1513 | ||
1514 | /* agpctrl */ | |
1515 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1516 | ||
1517 | /* mcgcfg */ | |
1518 | pci_read_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, &temp2); | |
1519 | pci_write_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, temp2 | (1 << 9)); | |
1520 | /* clear any possible error conditions */ | |
1521 | pci_write_config_word(agp_bridge->dev, INTEL_I840_ERRSTS, 0xc000); | |
1522 | return 0; | |
1523 | } | |
1524 | ||
1525 | static int intel_845_configure(void) | |
1526 | { | |
1527 | u32 temp; | |
1528 | u8 temp2; | |
1529 | struct aper_size_info_8 *current_size; | |
1530 | ||
1531 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1532 | ||
1533 | /* aperture size */ | |
1534 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1535 | ||
b0825488 MG |
1536 | if (agp_bridge->apbase_config != 0) { |
1537 | pci_write_config_dword(agp_bridge->dev, AGP_APBASE, | |
1538 | agp_bridge->apbase_config); | |
1539 | } else { | |
1540 | /* address to map to */ | |
1541 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1542 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1543 | agp_bridge->apbase_config = temp; | |
1544 | } | |
1da177e4 LT |
1545 | |
1546 | /* attbase - aperture base */ | |
1547 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1548 | ||
1549 | /* agpctrl */ | |
1550 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1551 | ||
1552 | /* agpm */ | |
1553 | pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2); | |
1554 | pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1)); | |
1555 | /* clear any possible error conditions */ | |
1556 | pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c); | |
2162e6a2 DA |
1557 | |
1558 | intel_i830_setup_flush(); | |
1da177e4 LT |
1559 | return 0; |
1560 | } | |
1561 | ||
1562 | static int intel_850_configure(void) | |
1563 | { | |
1564 | u32 temp; | |
1565 | u16 temp2; | |
1566 | struct aper_size_info_8 *current_size; | |
1567 | ||
1568 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1569 | ||
1570 | /* aperture size */ | |
1571 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1572 | ||
1573 | /* address to map to */ | |
1574 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1575 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1576 | ||
1577 | /* attbase - aperture base */ | |
1578 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1579 | ||
1580 | /* agpctrl */ | |
1581 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1582 | ||
1583 | /* mcgcfg */ | |
1584 | pci_read_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, &temp2); | |
1585 | pci_write_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, temp2 | (1 << 9)); | |
1586 | /* clear any possible AGP-related error conditions */ | |
1587 | pci_write_config_word(agp_bridge->dev, INTEL_I850_ERRSTS, 0x001c); | |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | static int intel_860_configure(void) | |
1592 | { | |
1593 | u32 temp; | |
1594 | u16 temp2; | |
1595 | struct aper_size_info_8 *current_size; | |
1596 | ||
1597 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1598 | ||
1599 | /* aperture size */ | |
1600 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1601 | ||
1602 | /* address to map to */ | |
1603 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1604 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1605 | ||
1606 | /* attbase - aperture base */ | |
1607 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1608 | ||
1609 | /* agpctrl */ | |
1610 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1611 | ||
1612 | /* mcgcfg */ | |
1613 | pci_read_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, &temp2); | |
1614 | pci_write_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, temp2 | (1 << 9)); | |
1615 | /* clear any possible AGP-related error conditions */ | |
1616 | pci_write_config_word(agp_bridge->dev, INTEL_I860_ERRSTS, 0xf700); | |
1617 | return 0; | |
1618 | } | |
1619 | ||
1620 | static int intel_830mp_configure(void) | |
1621 | { | |
1622 | u32 temp; | |
1623 | u16 temp2; | |
1624 | struct aper_size_info_8 *current_size; | |
1625 | ||
1626 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1627 | ||
1628 | /* aperture size */ | |
1629 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1630 | ||
1631 | /* address to map to */ | |
1632 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1633 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1634 | ||
1635 | /* attbase - aperture base */ | |
1636 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1637 | ||
1638 | /* agpctrl */ | |
1639 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1640 | ||
1641 | /* gmch */ | |
1642 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1643 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp2 | (1 << 9)); | |
1644 | /* clear any possible AGP-related error conditions */ | |
1645 | pci_write_config_word(agp_bridge->dev, INTEL_I830_ERRSTS, 0x1c); | |
1646 | return 0; | |
1647 | } | |
1648 | ||
1649 | static int intel_7505_configure(void) | |
1650 | { | |
1651 | u32 temp; | |
1652 | u16 temp2; | |
1653 | struct aper_size_info_8 *current_size; | |
1654 | ||
1655 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1656 | ||
1657 | /* aperture size */ | |
1658 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1659 | ||
1660 | /* address to map to */ | |
1661 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1662 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1663 | ||
1664 | /* attbase - aperture base */ | |
1665 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1666 | ||
1667 | /* agpctrl */ | |
1668 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1669 | ||
1670 | /* mchcfg */ | |
1671 | pci_read_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, &temp2); | |
1672 | pci_write_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, temp2 | (1 << 9)); | |
1673 | ||
1674 | return 0; | |
1675 | } | |
1676 | ||
1677 | /* Setup function */ | |
e5524f35 | 1678 | static const struct gatt_mask intel_generic_masks[] = |
1da177e4 LT |
1679 | { |
1680 | {.mask = 0x00000017, .type = 0} | |
1681 | }; | |
1682 | ||
e5524f35 | 1683 | static const struct aper_size_info_8 intel_815_sizes[2] = |
1da177e4 LT |
1684 | { |
1685 | {64, 16384, 4, 0}, | |
1686 | {32, 8192, 3, 8}, | |
1687 | }; | |
1688 | ||
e5524f35 | 1689 | static const struct aper_size_info_8 intel_8xx_sizes[7] = |
1da177e4 LT |
1690 | { |
1691 | {256, 65536, 6, 0}, | |
1692 | {128, 32768, 5, 32}, | |
1693 | {64, 16384, 4, 48}, | |
1694 | {32, 8192, 3, 56}, | |
1695 | {16, 4096, 2, 60}, | |
1696 | {8, 2048, 1, 62}, | |
1697 | {4, 1024, 0, 63} | |
1698 | }; | |
1699 | ||
e5524f35 | 1700 | static const struct aper_size_info_16 intel_generic_sizes[7] = |
1da177e4 LT |
1701 | { |
1702 | {256, 65536, 6, 0}, | |
1703 | {128, 32768, 5, 32}, | |
1704 | {64, 16384, 4, 48}, | |
1705 | {32, 8192, 3, 56}, | |
1706 | {16, 4096, 2, 60}, | |
1707 | {8, 2048, 1, 62}, | |
1708 | {4, 1024, 0, 63} | |
1709 | }; | |
1710 | ||
e5524f35 | 1711 | static const struct aper_size_info_8 intel_830mp_sizes[4] = |
1da177e4 LT |
1712 | { |
1713 | {256, 65536, 6, 0}, | |
1714 | {128, 32768, 5, 32}, | |
1715 | {64, 16384, 4, 48}, | |
1716 | {32, 8192, 3, 56} | |
1717 | }; | |
1718 | ||
e5524f35 | 1719 | static const struct agp_bridge_driver intel_generic_driver = { |
1da177e4 LT |
1720 | .owner = THIS_MODULE, |
1721 | .aperture_sizes = intel_generic_sizes, | |
1722 | .size_type = U16_APER_SIZE, | |
1723 | .num_aperture_sizes = 7, | |
1724 | .configure = intel_configure, | |
1725 | .fetch_size = intel_fetch_size, | |
1726 | .cleanup = intel_cleanup, | |
1727 | .tlb_flush = intel_tlbflush, | |
1728 | .mask_memory = agp_generic_mask_memory, | |
1729 | .masks = intel_generic_masks, | |
1730 | .agp_enable = agp_generic_enable, | |
1731 | .cache_flush = global_cache_flush, | |
1732 | .create_gatt_table = agp_generic_create_gatt_table, | |
1733 | .free_gatt_table = agp_generic_free_gatt_table, | |
1734 | .insert_memory = agp_generic_insert_memory, | |
1735 | .remove_memory = agp_generic_remove_memory, | |
1736 | .alloc_by_type = agp_generic_alloc_by_type, | |
1737 | .free_by_type = agp_generic_free_by_type, | |
1738 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1739 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1740 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1741 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1742 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1743 | }; |
1744 | ||
e5524f35 | 1745 | static const struct agp_bridge_driver intel_810_driver = { |
1da177e4 LT |
1746 | .owner = THIS_MODULE, |
1747 | .aperture_sizes = intel_i810_sizes, | |
1748 | .size_type = FIXED_APER_SIZE, | |
1749 | .num_aperture_sizes = 2, | |
c7258012 | 1750 | .needs_scratch_page = true, |
1da177e4 LT |
1751 | .configure = intel_i810_configure, |
1752 | .fetch_size = intel_i810_fetch_size, | |
1753 | .cleanup = intel_i810_cleanup, | |
1754 | .tlb_flush = intel_i810_tlbflush, | |
1755 | .mask_memory = intel_i810_mask_memory, | |
1756 | .masks = intel_i810_masks, | |
1757 | .agp_enable = intel_i810_agp_enable, | |
1758 | .cache_flush = global_cache_flush, | |
1759 | .create_gatt_table = agp_generic_create_gatt_table, | |
1760 | .free_gatt_table = agp_generic_free_gatt_table, | |
1761 | .insert_memory = intel_i810_insert_entries, | |
1762 | .remove_memory = intel_i810_remove_entries, | |
1763 | .alloc_by_type = intel_i810_alloc_by_type, | |
1764 | .free_by_type = intel_i810_free_by_type, | |
1765 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1766 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1767 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1768 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1769 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1770 | }; |
1771 | ||
e5524f35 | 1772 | static const struct agp_bridge_driver intel_815_driver = { |
1da177e4 LT |
1773 | .owner = THIS_MODULE, |
1774 | .aperture_sizes = intel_815_sizes, | |
1775 | .size_type = U8_APER_SIZE, | |
1776 | .num_aperture_sizes = 2, | |
1777 | .configure = intel_815_configure, | |
1778 | .fetch_size = intel_815_fetch_size, | |
1779 | .cleanup = intel_8xx_cleanup, | |
1780 | .tlb_flush = intel_8xx_tlbflush, | |
1781 | .mask_memory = agp_generic_mask_memory, | |
1782 | .masks = intel_generic_masks, | |
1783 | .agp_enable = agp_generic_enable, | |
1784 | .cache_flush = global_cache_flush, | |
1785 | .create_gatt_table = agp_generic_create_gatt_table, | |
1786 | .free_gatt_table = agp_generic_free_gatt_table, | |
1787 | .insert_memory = agp_generic_insert_memory, | |
1788 | .remove_memory = agp_generic_remove_memory, | |
1789 | .alloc_by_type = agp_generic_alloc_by_type, | |
1790 | .free_by_type = agp_generic_free_by_type, | |
1791 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1792 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1793 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1794 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 1795 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1796 | }; |
1797 | ||
e5524f35 | 1798 | static const struct agp_bridge_driver intel_830_driver = { |
1da177e4 LT |
1799 | .owner = THIS_MODULE, |
1800 | .aperture_sizes = intel_i830_sizes, | |
1801 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 1802 | .num_aperture_sizes = 4, |
c7258012 | 1803 | .needs_scratch_page = true, |
1da177e4 LT |
1804 | .configure = intel_i830_configure, |
1805 | .fetch_size = intel_i830_fetch_size, | |
1806 | .cleanup = intel_i830_cleanup, | |
1807 | .tlb_flush = intel_i810_tlbflush, | |
1808 | .mask_memory = intel_i810_mask_memory, | |
1809 | .masks = intel_i810_masks, | |
1810 | .agp_enable = intel_i810_agp_enable, | |
1811 | .cache_flush = global_cache_flush, | |
1812 | .create_gatt_table = intel_i830_create_gatt_table, | |
1813 | .free_gatt_table = intel_i830_free_gatt_table, | |
1814 | .insert_memory = intel_i830_insert_entries, | |
1815 | .remove_memory = intel_i830_remove_entries, | |
1816 | .alloc_by_type = intel_i830_alloc_by_type, | |
1817 | .free_by_type = intel_i810_free_by_type, | |
1818 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1819 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1820 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1821 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1822 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
2162e6a2 | 1823 | .chipset_flush = intel_i830_chipset_flush, |
1da177e4 LT |
1824 | }; |
1825 | ||
e5524f35 | 1826 | static const struct agp_bridge_driver intel_820_driver = { |
1da177e4 LT |
1827 | .owner = THIS_MODULE, |
1828 | .aperture_sizes = intel_8xx_sizes, | |
1829 | .size_type = U8_APER_SIZE, | |
1830 | .num_aperture_sizes = 7, | |
1831 | .configure = intel_820_configure, | |
1832 | .fetch_size = intel_8xx_fetch_size, | |
1833 | .cleanup = intel_820_cleanup, | |
1834 | .tlb_flush = intel_820_tlbflush, | |
1835 | .mask_memory = agp_generic_mask_memory, | |
1836 | .masks = intel_generic_masks, | |
1837 | .agp_enable = agp_generic_enable, | |
1838 | .cache_flush = global_cache_flush, | |
1839 | .create_gatt_table = agp_generic_create_gatt_table, | |
1840 | .free_gatt_table = agp_generic_free_gatt_table, | |
1841 | .insert_memory = agp_generic_insert_memory, | |
1842 | .remove_memory = agp_generic_remove_memory, | |
1843 | .alloc_by_type = agp_generic_alloc_by_type, | |
1844 | .free_by_type = agp_generic_free_by_type, | |
1845 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1846 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1847 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1848 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1849 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1850 | }; |
1851 | ||
e5524f35 | 1852 | static const struct agp_bridge_driver intel_830mp_driver = { |
1da177e4 LT |
1853 | .owner = THIS_MODULE, |
1854 | .aperture_sizes = intel_830mp_sizes, | |
1855 | .size_type = U8_APER_SIZE, | |
1856 | .num_aperture_sizes = 4, | |
1857 | .configure = intel_830mp_configure, | |
1858 | .fetch_size = intel_8xx_fetch_size, | |
1859 | .cleanup = intel_8xx_cleanup, | |
1860 | .tlb_flush = intel_8xx_tlbflush, | |
1861 | .mask_memory = agp_generic_mask_memory, | |
1862 | .masks = intel_generic_masks, | |
1863 | .agp_enable = agp_generic_enable, | |
1864 | .cache_flush = global_cache_flush, | |
1865 | .create_gatt_table = agp_generic_create_gatt_table, | |
1866 | .free_gatt_table = agp_generic_free_gatt_table, | |
1867 | .insert_memory = agp_generic_insert_memory, | |
1868 | .remove_memory = agp_generic_remove_memory, | |
1869 | .alloc_by_type = agp_generic_alloc_by_type, | |
1870 | .free_by_type = agp_generic_free_by_type, | |
1871 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1872 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1873 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1874 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1875 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1876 | }; |
1877 | ||
e5524f35 | 1878 | static const struct agp_bridge_driver intel_840_driver = { |
1da177e4 LT |
1879 | .owner = THIS_MODULE, |
1880 | .aperture_sizes = intel_8xx_sizes, | |
1881 | .size_type = U8_APER_SIZE, | |
1882 | .num_aperture_sizes = 7, | |
1883 | .configure = intel_840_configure, | |
1884 | .fetch_size = intel_8xx_fetch_size, | |
1885 | .cleanup = intel_8xx_cleanup, | |
1886 | .tlb_flush = intel_8xx_tlbflush, | |
1887 | .mask_memory = agp_generic_mask_memory, | |
1888 | .masks = intel_generic_masks, | |
1889 | .agp_enable = agp_generic_enable, | |
1890 | .cache_flush = global_cache_flush, | |
1891 | .create_gatt_table = agp_generic_create_gatt_table, | |
1892 | .free_gatt_table = agp_generic_free_gatt_table, | |
1893 | .insert_memory = agp_generic_insert_memory, | |
1894 | .remove_memory = agp_generic_remove_memory, | |
1895 | .alloc_by_type = agp_generic_alloc_by_type, | |
1896 | .free_by_type = agp_generic_free_by_type, | |
1897 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1898 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1899 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1900 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1901 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1902 | }; |
1903 | ||
e5524f35 | 1904 | static const struct agp_bridge_driver intel_845_driver = { |
1da177e4 LT |
1905 | .owner = THIS_MODULE, |
1906 | .aperture_sizes = intel_8xx_sizes, | |
1907 | .size_type = U8_APER_SIZE, | |
1908 | .num_aperture_sizes = 7, | |
1909 | .configure = intel_845_configure, | |
1910 | .fetch_size = intel_8xx_fetch_size, | |
1911 | .cleanup = intel_8xx_cleanup, | |
1912 | .tlb_flush = intel_8xx_tlbflush, | |
1913 | .mask_memory = agp_generic_mask_memory, | |
1914 | .masks = intel_generic_masks, | |
1915 | .agp_enable = agp_generic_enable, | |
1916 | .cache_flush = global_cache_flush, | |
1917 | .create_gatt_table = agp_generic_create_gatt_table, | |
1918 | .free_gatt_table = agp_generic_free_gatt_table, | |
1919 | .insert_memory = agp_generic_insert_memory, | |
1920 | .remove_memory = agp_generic_remove_memory, | |
1921 | .alloc_by_type = agp_generic_alloc_by_type, | |
1922 | .free_by_type = agp_generic_free_by_type, | |
1923 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1924 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1925 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1926 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1927 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
2162e6a2 | 1928 | .chipset_flush = intel_i830_chipset_flush, |
1da177e4 LT |
1929 | }; |
1930 | ||
e5524f35 | 1931 | static const struct agp_bridge_driver intel_850_driver = { |
1da177e4 LT |
1932 | .owner = THIS_MODULE, |
1933 | .aperture_sizes = intel_8xx_sizes, | |
1934 | .size_type = U8_APER_SIZE, | |
1935 | .num_aperture_sizes = 7, | |
1936 | .configure = intel_850_configure, | |
1937 | .fetch_size = intel_8xx_fetch_size, | |
1938 | .cleanup = intel_8xx_cleanup, | |
1939 | .tlb_flush = intel_8xx_tlbflush, | |
1940 | .mask_memory = agp_generic_mask_memory, | |
1941 | .masks = intel_generic_masks, | |
1942 | .agp_enable = agp_generic_enable, | |
1943 | .cache_flush = global_cache_flush, | |
1944 | .create_gatt_table = agp_generic_create_gatt_table, | |
1945 | .free_gatt_table = agp_generic_free_gatt_table, | |
1946 | .insert_memory = agp_generic_insert_memory, | |
1947 | .remove_memory = agp_generic_remove_memory, | |
1948 | .alloc_by_type = agp_generic_alloc_by_type, | |
1949 | .free_by_type = agp_generic_free_by_type, | |
1950 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1951 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1952 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1953 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1954 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1955 | }; |
1956 | ||
e5524f35 | 1957 | static const struct agp_bridge_driver intel_860_driver = { |
1da177e4 LT |
1958 | .owner = THIS_MODULE, |
1959 | .aperture_sizes = intel_8xx_sizes, | |
1960 | .size_type = U8_APER_SIZE, | |
1961 | .num_aperture_sizes = 7, | |
1962 | .configure = intel_860_configure, | |
1963 | .fetch_size = intel_8xx_fetch_size, | |
1964 | .cleanup = intel_8xx_cleanup, | |
1965 | .tlb_flush = intel_8xx_tlbflush, | |
1966 | .mask_memory = agp_generic_mask_memory, | |
1967 | .masks = intel_generic_masks, | |
1968 | .agp_enable = agp_generic_enable, | |
1969 | .cache_flush = global_cache_flush, | |
1970 | .create_gatt_table = agp_generic_create_gatt_table, | |
1971 | .free_gatt_table = agp_generic_free_gatt_table, | |
1972 | .insert_memory = agp_generic_insert_memory, | |
1973 | .remove_memory = agp_generic_remove_memory, | |
1974 | .alloc_by_type = agp_generic_alloc_by_type, | |
1975 | .free_by_type = agp_generic_free_by_type, | |
1976 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 1977 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 1978 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 1979 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 1980 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
1981 | }; |
1982 | ||
e5524f35 | 1983 | static const struct agp_bridge_driver intel_915_driver = { |
1da177e4 LT |
1984 | .owner = THIS_MODULE, |
1985 | .aperture_sizes = intel_i830_sizes, | |
1986 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 1987 | .num_aperture_sizes = 4, |
c7258012 | 1988 | .needs_scratch_page = true, |
1da177e4 | 1989 | .configure = intel_i915_configure, |
c41e0deb | 1990 | .fetch_size = intel_i9xx_fetch_size, |
1da177e4 LT |
1991 | .cleanup = intel_i915_cleanup, |
1992 | .tlb_flush = intel_i810_tlbflush, | |
1993 | .mask_memory = intel_i810_mask_memory, | |
1994 | .masks = intel_i810_masks, | |
1995 | .agp_enable = intel_i810_agp_enable, | |
1996 | .cache_flush = global_cache_flush, | |
1997 | .create_gatt_table = intel_i915_create_gatt_table, | |
1998 | .free_gatt_table = intel_i830_free_gatt_table, | |
1999 | .insert_memory = intel_i915_insert_entries, | |
2000 | .remove_memory = intel_i915_remove_entries, | |
2001 | .alloc_by_type = intel_i830_alloc_by_type, | |
2002 | .free_by_type = intel_i810_free_by_type, | |
2003 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2004 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2005 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2006 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2007 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2008 | .chipset_flush = intel_i915_chipset_flush, |
1da177e4 LT |
2009 | }; |
2010 | ||
e5524f35 | 2011 | static const struct agp_bridge_driver intel_i965_driver = { |
62c96b9d DA |
2012 | .owner = THIS_MODULE, |
2013 | .aperture_sizes = intel_i830_sizes, | |
2014 | .size_type = FIXED_APER_SIZE, | |
2015 | .num_aperture_sizes = 4, | |
2016 | .needs_scratch_page = true, | |
0e480e5f DA |
2017 | .configure = intel_i915_configure, |
2018 | .fetch_size = intel_i9xx_fetch_size, | |
62c96b9d DA |
2019 | .cleanup = intel_i915_cleanup, |
2020 | .tlb_flush = intel_i810_tlbflush, | |
2021 | .mask_memory = intel_i965_mask_memory, | |
2022 | .masks = intel_i810_masks, | |
2023 | .agp_enable = intel_i810_agp_enable, | |
2024 | .cache_flush = global_cache_flush, | |
2025 | .create_gatt_table = intel_i965_create_gatt_table, | |
2026 | .free_gatt_table = intel_i830_free_gatt_table, | |
2027 | .insert_memory = intel_i915_insert_entries, | |
2028 | .remove_memory = intel_i915_remove_entries, | |
2029 | .alloc_by_type = intel_i830_alloc_by_type, | |
2030 | .free_by_type = intel_i810_free_by_type, | |
2031 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2032 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2033 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2034 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2035 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2036 | .chipset_flush = intel_i915_chipset_flush, |
65c25aad | 2037 | }; |
1da177e4 | 2038 | |
e5524f35 | 2039 | static const struct agp_bridge_driver intel_7505_driver = { |
1da177e4 LT |
2040 | .owner = THIS_MODULE, |
2041 | .aperture_sizes = intel_8xx_sizes, | |
2042 | .size_type = U8_APER_SIZE, | |
2043 | .num_aperture_sizes = 7, | |
2044 | .configure = intel_7505_configure, | |
2045 | .fetch_size = intel_8xx_fetch_size, | |
2046 | .cleanup = intel_8xx_cleanup, | |
2047 | .tlb_flush = intel_8xx_tlbflush, | |
2048 | .mask_memory = agp_generic_mask_memory, | |
2049 | .masks = intel_generic_masks, | |
2050 | .agp_enable = agp_generic_enable, | |
2051 | .cache_flush = global_cache_flush, | |
2052 | .create_gatt_table = agp_generic_create_gatt_table, | |
2053 | .free_gatt_table = agp_generic_free_gatt_table, | |
2054 | .insert_memory = agp_generic_insert_memory, | |
2055 | .remove_memory = agp_generic_remove_memory, | |
2056 | .alloc_by_type = agp_generic_alloc_by_type, | |
2057 | .free_by_type = agp_generic_free_by_type, | |
2058 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2059 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2060 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2061 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2062 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2063 | }; |
2064 | ||
874808c6 | 2065 | static const struct agp_bridge_driver intel_g33_driver = { |
62c96b9d DA |
2066 | .owner = THIS_MODULE, |
2067 | .aperture_sizes = intel_i830_sizes, | |
2068 | .size_type = FIXED_APER_SIZE, | |
2069 | .num_aperture_sizes = 4, | |
2070 | .needs_scratch_page = true, | |
2071 | .configure = intel_i915_configure, | |
2072 | .fetch_size = intel_i9xx_fetch_size, | |
2073 | .cleanup = intel_i915_cleanup, | |
2074 | .tlb_flush = intel_i810_tlbflush, | |
2075 | .mask_memory = intel_i965_mask_memory, | |
2076 | .masks = intel_i810_masks, | |
2077 | .agp_enable = intel_i810_agp_enable, | |
2078 | .cache_flush = global_cache_flush, | |
2079 | .create_gatt_table = intel_i915_create_gatt_table, | |
2080 | .free_gatt_table = intel_i830_free_gatt_table, | |
2081 | .insert_memory = intel_i915_insert_entries, | |
2082 | .remove_memory = intel_i915_remove_entries, | |
2083 | .alloc_by_type = intel_i830_alloc_by_type, | |
2084 | .free_by_type = intel_i810_free_by_type, | |
2085 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2086 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2087 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2088 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2089 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2090 | .chipset_flush = intel_i915_chipset_flush, |
874808c6 | 2091 | }; |
1da177e4 | 2092 | |
9614ece1 | 2093 | static int find_gmch(u16 device) |
1da177e4 | 2094 | { |
9614ece1 | 2095 | struct pci_dev *gmch_device; |
1da177e4 | 2096 | |
9614ece1 WZ |
2097 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); |
2098 | if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { | |
2099 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, | |
f011ae74 | 2100 | device, gmch_device); |
1da177e4 LT |
2101 | } |
2102 | ||
9614ece1 | 2103 | if (!gmch_device) |
1da177e4 LT |
2104 | return 0; |
2105 | ||
9614ece1 | 2106 | intel_private.pcidev = gmch_device; |
1da177e4 LT |
2107 | return 1; |
2108 | } | |
2109 | ||
9614ece1 WZ |
2110 | /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of |
2111 | * driver and gmch_driver must be non-null, and find_gmch will determine | |
2112 | * which one should be used if a gmch_chip_id is present. | |
2113 | */ | |
2114 | static const struct intel_driver_description { | |
2115 | unsigned int chip_id; | |
2116 | unsigned int gmch_chip_id; | |
88889851 | 2117 | unsigned int multi_gmch_chip; /* if we have more gfx chip type on this HB. */ |
9614ece1 WZ |
2118 | char *name; |
2119 | const struct agp_bridge_driver *driver; | |
2120 | const struct agp_bridge_driver *gmch_driver; | |
2121 | } intel_agp_chipsets[] = { | |
88889851 WZ |
2122 | { PCI_DEVICE_ID_INTEL_82443LX_0, 0, 0, "440LX", &intel_generic_driver, NULL }, |
2123 | { PCI_DEVICE_ID_INTEL_82443BX_0, 0, 0, "440BX", &intel_generic_driver, NULL }, | |
2124 | { PCI_DEVICE_ID_INTEL_82443GX_0, 0, 0, "440GX", &intel_generic_driver, NULL }, | |
2125 | { PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, 0, "i810", | |
9614ece1 | 2126 | NULL, &intel_810_driver }, |
88889851 | 2127 | { PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, 0, "i810", |
9614ece1 | 2128 | NULL, &intel_810_driver }, |
88889851 | 2129 | { PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, 0, "i810", |
9614ece1 | 2130 | NULL, &intel_810_driver }, |
88889851 WZ |
2131 | { PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, 0, "i815", |
2132 | &intel_815_driver, &intel_810_driver }, | |
2133 | { PCI_DEVICE_ID_INTEL_82820_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2134 | { PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2135 | { PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, 0, "830M", | |
9614ece1 | 2136 | &intel_830mp_driver, &intel_830_driver }, |
88889851 WZ |
2137 | { PCI_DEVICE_ID_INTEL_82840_HB, 0, 0, "i840", &intel_840_driver, NULL }, |
2138 | { PCI_DEVICE_ID_INTEL_82845_HB, 0, 0, "845G", &intel_845_driver, NULL }, | |
2139 | { PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M", | |
9614ece1 | 2140 | &intel_845_driver, &intel_830_driver }, |
88889851 | 2141 | { PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL }, |
347486bb SH |
2142 | { PCI_DEVICE_ID_INTEL_82854_HB, PCI_DEVICE_ID_INTEL_82854_IG, 0, "854", |
2143 | &intel_845_driver, &intel_830_driver }, | |
88889851 WZ |
2144 | { PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL }, |
2145 | { PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM", | |
9614ece1 | 2146 | &intel_845_driver, &intel_830_driver }, |
88889851 WZ |
2147 | { PCI_DEVICE_ID_INTEL_82860_HB, 0, 0, "i860", &intel_860_driver, NULL }, |
2148 | { PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865", | |
9614ece1 | 2149 | &intel_845_driver, &intel_830_driver }, |
88889851 | 2150 | { PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL }, |
e914a36a CM |
2151 | { PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)", |
2152 | NULL, &intel_915_driver }, | |
88889851 | 2153 | { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G", |
47d46379 | 2154 | NULL, &intel_915_driver }, |
88889851 | 2155 | { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM", |
47d46379 | 2156 | NULL, &intel_915_driver }, |
88889851 | 2157 | { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G", |
47d46379 | 2158 | NULL, &intel_915_driver }, |
dde47876 | 2159 | { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM", |
47d46379 | 2160 | NULL, &intel_915_driver }, |
dde47876 | 2161 | { PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME", |
47d46379 | 2162 | NULL, &intel_915_driver }, |
88889851 | 2163 | { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ", |
47d46379 | 2164 | NULL, &intel_i965_driver }, |
9119f85a | 2165 | { PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, 0, "G35", |
47d46379 | 2166 | NULL, &intel_i965_driver }, |
88889851 | 2167 | { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q", |
47d46379 | 2168 | NULL, &intel_i965_driver }, |
88889851 | 2169 | { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G", |
47d46379 | 2170 | NULL, &intel_i965_driver }, |
dde47876 | 2171 | { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM", |
47d46379 | 2172 | NULL, &intel_i965_driver }, |
dde47876 | 2173 | { PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE", |
47d46379 | 2174 | NULL, &intel_i965_driver }, |
88889851 WZ |
2175 | { PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL }, |
2176 | { PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL }, | |
2177 | { PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33", | |
47d46379 | 2178 | NULL, &intel_g33_driver }, |
88889851 | 2179 | { PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35", |
47d46379 | 2180 | NULL, &intel_g33_driver }, |
88889851 | 2181 | { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", |
47d46379 | 2182 | NULL, &intel_g33_driver }, |
2177832f SL |
2183 | { PCI_DEVICE_ID_INTEL_IGDGM_HB, PCI_DEVICE_ID_INTEL_IGDGM_IG, 0, "IGD", |
2184 | NULL, &intel_g33_driver }, | |
2185 | { PCI_DEVICE_ID_INTEL_IGDG_HB, PCI_DEVICE_ID_INTEL_IGDG_IG, 0, "IGD", | |
2186 | NULL, &intel_g33_driver }, | |
99d32bd5 | 2187 | { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0, |
b854b2ab | 2188 | "Mobile Intel® GM45 Express", NULL, &intel_i965_driver }, |
25ce77ab ZW |
2189 | { PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0, |
2190 | "Intel Integrated Graphics Device", NULL, &intel_i965_driver }, | |
2191 | { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0, | |
2192 | "Q45/Q43", NULL, &intel_i965_driver }, | |
2193 | { PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0, | |
2194 | "G45/G43", NULL, &intel_i965_driver }, | |
a50ccc6c ZW |
2195 | { PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0, |
2196 | "G41", NULL, &intel_i965_driver }, | |
32cb055b ZW |
2197 | { PCI_DEVICE_ID_INTEL_IGDNG_D_HB, PCI_DEVICE_ID_INTEL_IGDNG_D_IG, 0, |
2198 | "IGDNG/D", NULL, &intel_i965_driver }, | |
2199 | { PCI_DEVICE_ID_INTEL_IGDNG_M_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0, | |
2200 | "IGDNG/M", NULL, &intel_i965_driver }, | |
07fb6111 ZW |
2201 | { PCI_DEVICE_ID_INTEL_IGDNG_MA_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0, |
2202 | "IGDNG/MA", NULL, &intel_i965_driver }, | |
88889851 | 2203 | { 0, 0, 0, NULL, NULL, NULL } |
9614ece1 WZ |
2204 | }; |
2205 | ||
1da177e4 LT |
2206 | static int __devinit agp_intel_probe(struct pci_dev *pdev, |
2207 | const struct pci_device_id *ent) | |
2208 | { | |
2209 | struct agp_bridge_data *bridge; | |
1da177e4 LT |
2210 | u8 cap_ptr = 0; |
2211 | struct resource *r; | |
9614ece1 | 2212 | int i; |
1da177e4 LT |
2213 | |
2214 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
2215 | ||
2216 | bridge = agp_alloc_bridge(); | |
2217 | if (!bridge) | |
2218 | return -ENOMEM; | |
2219 | ||
9614ece1 WZ |
2220 | for (i = 0; intel_agp_chipsets[i].name != NULL; i++) { |
2221 | /* In case that multiple models of gfx chip may | |
2222 | stand on same host bridge type, this can be | |
2223 | sure we detect the right IGD. */ | |
88889851 WZ |
2224 | if (pdev->device == intel_agp_chipsets[i].chip_id) { |
2225 | if ((intel_agp_chipsets[i].gmch_chip_id != 0) && | |
2226 | find_gmch(intel_agp_chipsets[i].gmch_chip_id)) { | |
2227 | bridge->driver = | |
2228 | intel_agp_chipsets[i].gmch_driver; | |
2229 | break; | |
2230 | } else if (intel_agp_chipsets[i].multi_gmch_chip) { | |
2231 | continue; | |
2232 | } else { | |
2233 | bridge->driver = intel_agp_chipsets[i].driver; | |
2234 | break; | |
2235 | } | |
2236 | } | |
9614ece1 WZ |
2237 | } |
2238 | ||
2239 | if (intel_agp_chipsets[i].name == NULL) { | |
1da177e4 | 2240 | if (cap_ptr) |
e3cf6951 BH |
2241 | dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n", |
2242 | pdev->vendor, pdev->device); | |
9614ece1 WZ |
2243 | agp_put_bridge(bridge); |
2244 | return -ENODEV; | |
2245 | } | |
2246 | ||
9614ece1 | 2247 | if (bridge->driver == NULL) { |
47d46379 WZ |
2248 | /* bridge has no AGP and no IGD detected */ |
2249 | if (cap_ptr) | |
e3cf6951 BH |
2250 | dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n", |
2251 | intel_agp_chipsets[i].gmch_chip_id); | |
1da177e4 LT |
2252 | agp_put_bridge(bridge); |
2253 | return -ENODEV; | |
f011ae74 | 2254 | } |
1da177e4 LT |
2255 | |
2256 | bridge->dev = pdev; | |
2257 | bridge->capndx = cap_ptr; | |
c4ca8817 | 2258 | bridge->dev_private_data = &intel_private; |
1da177e4 | 2259 | |
e3cf6951 | 2260 | dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name); |
1da177e4 LT |
2261 | |
2262 | /* | |
2263 | * The following fixes the case where the BIOS has "forgotten" to | |
2264 | * provide an address range for the GART. | |
2265 | * 20030610 - hamish@zot.org | |
2266 | */ | |
2267 | r = &pdev->resource[0]; | |
2268 | if (!r->start && r->end) { | |
6a92a4e0 | 2269 | if (pci_assign_resource(pdev, 0)) { |
e3cf6951 | 2270 | dev_err(&pdev->dev, "can't assign resource 0\n"); |
1da177e4 LT |
2271 | agp_put_bridge(bridge); |
2272 | return -ENODEV; | |
2273 | } | |
2274 | } | |
2275 | ||
2276 | /* | |
2277 | * If the device has not been properly setup, the following will catch | |
2278 | * the problem and should stop the system from crashing. | |
2279 | * 20030610 - hamish@zot.org | |
2280 | */ | |
2281 | if (pci_enable_device(pdev)) { | |
e3cf6951 | 2282 | dev_err(&pdev->dev, "can't enable PCI device\n"); |
1da177e4 LT |
2283 | agp_put_bridge(bridge); |
2284 | return -ENODEV; | |
2285 | } | |
2286 | ||
2287 | /* Fill in the mode register */ | |
2288 | if (cap_ptr) { | |
2289 | pci_read_config_dword(pdev, | |
2290 | bridge->capndx+PCI_AGP_STATUS, | |
2291 | &bridge->mode); | |
2292 | } | |
2293 | ||
2294 | pci_set_drvdata(pdev, bridge); | |
2295 | return agp_add_bridge(bridge); | |
1da177e4 LT |
2296 | } |
2297 | ||
2298 | static void __devexit agp_intel_remove(struct pci_dev *pdev) | |
2299 | { | |
2300 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
2301 | ||
2302 | agp_remove_bridge(bridge); | |
2303 | ||
c4ca8817 WZ |
2304 | if (intel_private.pcidev) |
2305 | pci_dev_put(intel_private.pcidev); | |
1da177e4 LT |
2306 | |
2307 | agp_put_bridge(bridge); | |
2308 | } | |
2309 | ||
85be7d60 | 2310 | #ifdef CONFIG_PM |
1da177e4 LT |
2311 | static int agp_intel_resume(struct pci_dev *pdev) |
2312 | { | |
2313 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
a8c84df9 | 2314 | int ret_val; |
1da177e4 LT |
2315 | |
2316 | pci_restore_state(pdev); | |
2317 | ||
4b95320f WZ |
2318 | /* We should restore our graphics device's config space, |
2319 | * as host bridge (00:00) resumes before graphics device (02:00), | |
2320 | * then our access to its pci space can work right. | |
2321 | */ | |
c4ca8817 WZ |
2322 | if (intel_private.pcidev) |
2323 | pci_restore_state(intel_private.pcidev); | |
4b95320f | 2324 | |
1da177e4 LT |
2325 | if (bridge->driver == &intel_generic_driver) |
2326 | intel_configure(); | |
2327 | else if (bridge->driver == &intel_850_driver) | |
2328 | intel_850_configure(); | |
2329 | else if (bridge->driver == &intel_845_driver) | |
2330 | intel_845_configure(); | |
2331 | else if (bridge->driver == &intel_830mp_driver) | |
2332 | intel_830mp_configure(); | |
2333 | else if (bridge->driver == &intel_915_driver) | |
2334 | intel_i915_configure(); | |
2335 | else if (bridge->driver == &intel_830_driver) | |
2336 | intel_i830_configure(); | |
2337 | else if (bridge->driver == &intel_810_driver) | |
2338 | intel_i810_configure(); | |
08da3f41 DJ |
2339 | else if (bridge->driver == &intel_i965_driver) |
2340 | intel_i915_configure(); | |
1da177e4 | 2341 | |
a8c84df9 KP |
2342 | ret_val = agp_rebind_memory(); |
2343 | if (ret_val != 0) | |
2344 | return ret_val; | |
2345 | ||
1da177e4 LT |
2346 | return 0; |
2347 | } | |
85be7d60 | 2348 | #endif |
1da177e4 LT |
2349 | |
2350 | static struct pci_device_id agp_intel_pci_table[] = { | |
2351 | #define ID(x) \ | |
2352 | { \ | |
2353 | .class = (PCI_CLASS_BRIDGE_HOST << 8), \ | |
2354 | .class_mask = ~0, \ | |
2355 | .vendor = PCI_VENDOR_ID_INTEL, \ | |
2356 | .device = x, \ | |
2357 | .subvendor = PCI_ANY_ID, \ | |
2358 | .subdevice = PCI_ANY_ID, \ | |
2359 | } | |
2360 | ID(PCI_DEVICE_ID_INTEL_82443LX_0), | |
2361 | ID(PCI_DEVICE_ID_INTEL_82443BX_0), | |
2362 | ID(PCI_DEVICE_ID_INTEL_82443GX_0), | |
2363 | ID(PCI_DEVICE_ID_INTEL_82810_MC1), | |
2364 | ID(PCI_DEVICE_ID_INTEL_82810_MC3), | |
2365 | ID(PCI_DEVICE_ID_INTEL_82810E_MC), | |
2366 | ID(PCI_DEVICE_ID_INTEL_82815_MC), | |
2367 | ID(PCI_DEVICE_ID_INTEL_82820_HB), | |
2368 | ID(PCI_DEVICE_ID_INTEL_82820_UP_HB), | |
2369 | ID(PCI_DEVICE_ID_INTEL_82830_HB), | |
2370 | ID(PCI_DEVICE_ID_INTEL_82840_HB), | |
2371 | ID(PCI_DEVICE_ID_INTEL_82845_HB), | |
2372 | ID(PCI_DEVICE_ID_INTEL_82845G_HB), | |
2373 | ID(PCI_DEVICE_ID_INTEL_82850_HB), | |
347486bb | 2374 | ID(PCI_DEVICE_ID_INTEL_82854_HB), |
1da177e4 LT |
2375 | ID(PCI_DEVICE_ID_INTEL_82855PM_HB), |
2376 | ID(PCI_DEVICE_ID_INTEL_82855GM_HB), | |
2377 | ID(PCI_DEVICE_ID_INTEL_82860_HB), | |
2378 | ID(PCI_DEVICE_ID_INTEL_82865_HB), | |
2379 | ID(PCI_DEVICE_ID_INTEL_82875_HB), | |
2380 | ID(PCI_DEVICE_ID_INTEL_7505_0), | |
2381 | ID(PCI_DEVICE_ID_INTEL_7205_0), | |
e914a36a | 2382 | ID(PCI_DEVICE_ID_INTEL_E7221_HB), |
1da177e4 LT |
2383 | ID(PCI_DEVICE_ID_INTEL_82915G_HB), |
2384 | ID(PCI_DEVICE_ID_INTEL_82915GM_HB), | |
d0de98fa | 2385 | ID(PCI_DEVICE_ID_INTEL_82945G_HB), |
3b0e8ead | 2386 | ID(PCI_DEVICE_ID_INTEL_82945GM_HB), |
dde47876 | 2387 | ID(PCI_DEVICE_ID_INTEL_82945GME_HB), |
2177832f SL |
2388 | ID(PCI_DEVICE_ID_INTEL_IGDGM_HB), |
2389 | ID(PCI_DEVICE_ID_INTEL_IGDG_HB), | |
65c25aad | 2390 | ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), |
9119f85a | 2391 | ID(PCI_DEVICE_ID_INTEL_82G35_HB), |
65c25aad EA |
2392 | ID(PCI_DEVICE_ID_INTEL_82965Q_HB), |
2393 | ID(PCI_DEVICE_ID_INTEL_82965G_HB), | |
4598af33 | 2394 | ID(PCI_DEVICE_ID_INTEL_82965GM_HB), |
dde47876 | 2395 | ID(PCI_DEVICE_ID_INTEL_82965GME_HB), |
874808c6 WZ |
2396 | ID(PCI_DEVICE_ID_INTEL_G33_HB), |
2397 | ID(PCI_DEVICE_ID_INTEL_Q35_HB), | |
2398 | ID(PCI_DEVICE_ID_INTEL_Q33_HB), | |
99d32bd5 | 2399 | ID(PCI_DEVICE_ID_INTEL_GM45_HB), |
25ce77ab ZW |
2400 | ID(PCI_DEVICE_ID_INTEL_IGD_E_HB), |
2401 | ID(PCI_DEVICE_ID_INTEL_Q45_HB), | |
2402 | ID(PCI_DEVICE_ID_INTEL_G45_HB), | |
a50ccc6c | 2403 | ID(PCI_DEVICE_ID_INTEL_G41_HB), |
32cb055b ZW |
2404 | ID(PCI_DEVICE_ID_INTEL_IGDNG_D_HB), |
2405 | ID(PCI_DEVICE_ID_INTEL_IGDNG_M_HB), | |
07fb6111 | 2406 | ID(PCI_DEVICE_ID_INTEL_IGDNG_MA_HB), |
1da177e4 LT |
2407 | { } |
2408 | }; | |
2409 | ||
2410 | MODULE_DEVICE_TABLE(pci, agp_intel_pci_table); | |
2411 | ||
2412 | static struct pci_driver agp_intel_pci_driver = { | |
2413 | .name = "agpgart-intel", | |
2414 | .id_table = agp_intel_pci_table, | |
2415 | .probe = agp_intel_probe, | |
2416 | .remove = __devexit_p(agp_intel_remove), | |
85be7d60 | 2417 | #ifdef CONFIG_PM |
1da177e4 | 2418 | .resume = agp_intel_resume, |
85be7d60 | 2419 | #endif |
1da177e4 LT |
2420 | }; |
2421 | ||
2422 | static int __init agp_intel_init(void) | |
2423 | { | |
2424 | if (agp_off) | |
2425 | return -EINVAL; | |
2426 | return pci_register_driver(&agp_intel_pci_driver); | |
2427 | } | |
2428 | ||
2429 | static void __exit agp_intel_cleanup(void) | |
2430 | { | |
2431 | pci_unregister_driver(&agp_intel_pci_driver); | |
2432 | } | |
2433 | ||
2434 | module_init(agp_intel_init); | |
2435 | module_exit(agp_intel_cleanup); | |
2436 | ||
f4432c5c | 2437 | MODULE_AUTHOR("Dave Jones <davej@redhat.com>"); |
1da177e4 | 2438 | MODULE_LICENSE("GPL and additional rights"); |