Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Intel AGPGART routines. | |
3 | */ | |
4 | ||
1da177e4 LT |
5 | #include <linux/module.h> |
6 | #include <linux/pci.h> | |
5a0e3ad6 | 7 | #include <linux/slab.h> |
1da177e4 | 8 | #include <linux/init.h> |
1eaf122c | 9 | #include <linux/kernel.h> |
1da177e4 LT |
10 | #include <linux/pagemap.h> |
11 | #include <linux/agp_backend.h> | |
48a719c2 | 12 | #include <asm/smp.h> |
1da177e4 LT |
13 | #include "agp.h" |
14 | ||
1f7a6e37 ZW |
15 | int intel_agp_enabled; |
16 | EXPORT_SYMBOL(intel_agp_enabled); | |
17 | ||
17661681 ZW |
18 | /* |
19 | * If we have Intel graphics, we're not going to have anything other than | |
20 | * an Intel IOMMU. So make the correct use of the PCI DMA API contingent | |
21 | * on the Intel IOMMU support (CONFIG_DMAR). | |
22 | * Only newer chipsets need to bother with this, of course. | |
23 | */ | |
24 | #ifdef CONFIG_DMAR | |
25 | #define USE_PCI_DMA_API 1 | |
26 | #endif | |
27 | ||
e914a36a CM |
28 | #define PCI_DEVICE_ID_INTEL_E7221_HB 0x2588 |
29 | #define PCI_DEVICE_ID_INTEL_E7221_IG 0x258a | |
65c25aad EA |
30 | #define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 |
31 | #define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972 | |
9119f85a ZW |
32 | #define PCI_DEVICE_ID_INTEL_82G35_HB 0x2980 |
33 | #define PCI_DEVICE_ID_INTEL_82G35_IG 0x2982 | |
65c25aad EA |
34 | #define PCI_DEVICE_ID_INTEL_82965Q_HB 0x2990 |
35 | #define PCI_DEVICE_ID_INTEL_82965Q_IG 0x2992 | |
36 | #define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 | |
37 | #define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2 | |
4598af33 WZ |
38 | #define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 |
39 | #define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02 | |
dde47876 | 40 | #define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10 |
c8eebfd6 | 41 | #define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12 |
dde47876 | 42 | #define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC |
df80b148 | 43 | #define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE |
107f517b AJ |
44 | #define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB 0xA010 |
45 | #define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG 0xA011 | |
46 | #define PCI_DEVICE_ID_INTEL_PINEVIEW_HB 0xA000 | |
47 | #define PCI_DEVICE_ID_INTEL_PINEVIEW_IG 0xA001 | |
874808c6 WZ |
48 | #define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 |
49 | #define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2 | |
50 | #define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 | |
51 | #define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 | |
52 | #define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 | |
53 | #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 | |
38d8a956 FH |
54 | #define PCI_DEVICE_ID_INTEL_B43_HB 0x2E40 |
55 | #define PCI_DEVICE_ID_INTEL_B43_IG 0x2E42 | |
99d32bd5 ZW |
56 | #define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 |
57 | #define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 | |
107f517b AJ |
58 | #define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB 0x2E00 |
59 | #define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG 0x2E02 | |
25ce77ab ZW |
60 | #define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 |
61 | #define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12 | |
62 | #define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20 | |
63 | #define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22 | |
a50ccc6c ZW |
64 | #define PCI_DEVICE_ID_INTEL_G41_HB 0x2E30 |
65 | #define PCI_DEVICE_ID_INTEL_G41_IG 0x2E32 | |
107f517b AJ |
66 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB 0x0040 |
67 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG 0x0042 | |
68 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB 0x0044 | |
69 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB 0x0062 | |
3ff99164 | 70 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB 0x006a |
107f517b | 71 | #define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG 0x0046 |
1089e300 EA |
72 | #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB 0x0100 |
73 | #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG 0x0102 | |
954bce50 EA |
74 | #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB 0x0104 |
75 | #define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG 0x0106 | |
65c25aad | 76 | |
f011ae74 DA |
77 | /* cover 915 and 945 variants */ |
78 | #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \ | |
79 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \ | |
80 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \ | |
81 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \ | |
82 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \ | |
83 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB) | |
84 | ||
65c25aad | 85 | #define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ |
f011ae74 DA |
86 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \ |
87 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ | |
88 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \ | |
89 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \ | |
82e14a62 | 90 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB) |
65c25aad | 91 | |
874808c6 WZ |
92 | #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \ |
93 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ | |
2177832f | 94 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \ |
107f517b AJ |
95 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \ |
96 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB) | |
2177832f | 97 | |
107f517b AJ |
98 | #define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \ |
99 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB) | |
65c25aad | 100 | |
66f6ff09 EA |
101 | #define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \ |
102 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) | |
103 | ||
107f517b | 104 | #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \ |
25ce77ab | 105 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \ |
82e14a62 | 106 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \ |
a50ccc6c | 107 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \ |
32cb055b | 108 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \ |
38d8a956 | 109 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_B43_HB || \ |
107f517b AJ |
110 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \ |
111 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \ | |
3ff99164 | 112 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \ |
1089e300 | 113 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \ |
66f6ff09 | 114 | IS_SNB) |
25ce77ab | 115 | |
a030ce44 TH |
116 | extern int agp_memory_reserved; |
117 | ||
118 | ||
1da177e4 LT |
119 | /* Intel 815 register */ |
120 | #define INTEL_815_APCONT 0x51 | |
121 | #define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF | |
122 | ||
123 | /* Intel i820 registers */ | |
124 | #define INTEL_I820_RDCR 0x51 | |
125 | #define INTEL_I820_ERRSTS 0xc8 | |
126 | ||
127 | /* Intel i840 registers */ | |
128 | #define INTEL_I840_MCHCFG 0x50 | |
129 | #define INTEL_I840_ERRSTS 0xc8 | |
130 | ||
131 | /* Intel i850 registers */ | |
132 | #define INTEL_I850_MCHCFG 0x50 | |
133 | #define INTEL_I850_ERRSTS 0xc8 | |
134 | ||
135 | /* intel 915G registers */ | |
136 | #define I915_GMADDR 0x18 | |
137 | #define I915_MMADDR 0x10 | |
138 | #define I915_PTEADDR 0x1C | |
139 | #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) | |
140 | #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) | |
25ce77ab ZW |
141 | #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) |
142 | #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) | |
143 | #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) | |
144 | #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) | |
145 | #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) | |
146 | #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) | |
147 | ||
6c00a61e | 148 | #define I915_IFPADDR 0x60 |
1da177e4 | 149 | |
65c25aad EA |
150 | /* Intel 965G registers */ |
151 | #define I965_MSAC 0x62 | |
6c00a61e | 152 | #define I965_IFPADDR 0x70 |
1da177e4 LT |
153 | |
154 | /* Intel 7505 registers */ | |
155 | #define INTEL_I7505_APSIZE 0x74 | |
156 | #define INTEL_I7505_NCAPID 0x60 | |
157 | #define INTEL_I7505_NISTAT 0x6c | |
158 | #define INTEL_I7505_ATTBASE 0x78 | |
159 | #define INTEL_I7505_ERRSTS 0x42 | |
160 | #define INTEL_I7505_AGPCTRL 0x70 | |
161 | #define INTEL_I7505_MCHCFG 0x50 | |
162 | ||
14bc490b ZW |
163 | #define SNB_GMCH_CTRL 0x50 |
164 | #define SNB_GMCH_GMS_STOLEN_MASK 0xF8 | |
165 | #define SNB_GMCH_GMS_STOLEN_32M (1 << 3) | |
166 | #define SNB_GMCH_GMS_STOLEN_64M (2 << 3) | |
167 | #define SNB_GMCH_GMS_STOLEN_96M (3 << 3) | |
168 | #define SNB_GMCH_GMS_STOLEN_128M (4 << 3) | |
169 | #define SNB_GMCH_GMS_STOLEN_160M (5 << 3) | |
170 | #define SNB_GMCH_GMS_STOLEN_192M (6 << 3) | |
171 | #define SNB_GMCH_GMS_STOLEN_224M (7 << 3) | |
172 | #define SNB_GMCH_GMS_STOLEN_256M (8 << 3) | |
173 | #define SNB_GMCH_GMS_STOLEN_288M (9 << 3) | |
174 | #define SNB_GMCH_GMS_STOLEN_320M (0xa << 3) | |
175 | #define SNB_GMCH_GMS_STOLEN_352M (0xb << 3) | |
176 | #define SNB_GMCH_GMS_STOLEN_384M (0xc << 3) | |
177 | #define SNB_GMCH_GMS_STOLEN_416M (0xd << 3) | |
178 | #define SNB_GMCH_GMS_STOLEN_448M (0xe << 3) | |
179 | #define SNB_GMCH_GMS_STOLEN_480M (0xf << 3) | |
180 | #define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3) | |
285aca8e EA |
181 | #define SNB_GTT_SIZE_0M (0 << 8) |
182 | #define SNB_GTT_SIZE_1M (1 << 8) | |
183 | #define SNB_GTT_SIZE_2M (2 << 8) | |
184 | #define SNB_GTT_SIZE_MASK (3 << 8) | |
14bc490b | 185 | |
e5524f35 | 186 | static const struct aper_size_info_fixed intel_i810_sizes[] = |
1da177e4 LT |
187 | { |
188 | {64, 16384, 4}, | |
189 | /* The 32M mode still requires a 64k gatt */ | |
190 | {32, 8192, 4} | |
191 | }; | |
192 | ||
193 | #define AGP_DCACHE_MEMORY 1 | |
194 | #define AGP_PHYS_MEMORY 2 | |
a030ce44 | 195 | #define INTEL_AGP_CACHED_MEMORY 3 |
1da177e4 LT |
196 | |
197 | static struct gatt_mask intel_i810_masks[] = | |
198 | { | |
199 | {.mask = I810_PTE_VALID, .type = 0}, | |
200 | {.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY}, | |
a030ce44 TH |
201 | {.mask = I810_PTE_VALID, .type = 0}, |
202 | {.mask = I810_PTE_VALID | I830_PTE_SYSTEM_CACHED, | |
203 | .type = INTEL_AGP_CACHED_MEMORY} | |
1da177e4 LT |
204 | }; |
205 | ||
c4ca8817 WZ |
206 | static struct _intel_private { |
207 | struct pci_dev *pcidev; /* device one */ | |
208 | u8 __iomem *registers; | |
209 | u32 __iomem *gtt; /* I915G */ | |
1da177e4 | 210 | int num_dcache_entries; |
c4ca8817 WZ |
211 | /* gtt_entries is the number of gtt entries that are already mapped |
212 | * to stolen memory. Stolen memory is larger than the memory mapped | |
213 | * through gtt_entries, as it includes some reserved space for the BIOS | |
214 | * popup and for the GTT. | |
215 | */ | |
216 | int gtt_entries; /* i830+ */ | |
fc619013 | 217 | int gtt_total_size; |
2162e6a2 DA |
218 | union { |
219 | void __iomem *i9xx_flush_page; | |
220 | void *i8xx_flush_page; | |
221 | }; | |
222 | struct page *i8xx_page; | |
6c00a61e | 223 | struct resource ifp_resource; |
4d64dd9e | 224 | int resource_valid; |
c4ca8817 | 225 | } intel_private; |
1da177e4 | 226 | |
17661681 | 227 | #ifdef USE_PCI_DMA_API |
c2980d8c | 228 | static int intel_agp_map_page(struct page *page, dma_addr_t *ret) |
17661681 | 229 | { |
c2980d8c DW |
230 | *ret = pci_map_page(intel_private.pcidev, page, 0, |
231 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
17661681 ZW |
232 | if (pci_dma_mapping_error(intel_private.pcidev, *ret)) |
233 | return -EINVAL; | |
234 | return 0; | |
235 | } | |
236 | ||
c2980d8c | 237 | static void intel_agp_unmap_page(struct page *page, dma_addr_t dma) |
17661681 | 238 | { |
c2980d8c DW |
239 | pci_unmap_page(intel_private.pcidev, dma, |
240 | PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); | |
17661681 ZW |
241 | } |
242 | ||
91b8e305 DW |
243 | static void intel_agp_free_sglist(struct agp_memory *mem) |
244 | { | |
f692775d DW |
245 | struct sg_table st; |
246 | ||
247 | st.sgl = mem->sg_list; | |
248 | st.orig_nents = st.nents = mem->page_count; | |
249 | ||
250 | sg_free_table(&st); | |
91b8e305 | 251 | |
91b8e305 DW |
252 | mem->sg_list = NULL; |
253 | mem->num_sg = 0; | |
254 | } | |
255 | ||
17661681 ZW |
256 | static int intel_agp_map_memory(struct agp_memory *mem) |
257 | { | |
f692775d | 258 | struct sg_table st; |
17661681 ZW |
259 | struct scatterlist *sg; |
260 | int i; | |
261 | ||
262 | DBG("try mapping %lu pages\n", (unsigned long)mem->page_count); | |
263 | ||
f692775d | 264 | if (sg_alloc_table(&st, mem->page_count, GFP_KERNEL)) |
17661681 | 265 | return -ENOMEM; |
17661681 | 266 | |
f692775d DW |
267 | mem->sg_list = sg = st.sgl; |
268 | ||
17661681 ZW |
269 | for (i = 0 ; i < mem->page_count; i++, sg = sg_next(sg)) |
270 | sg_set_page(sg, mem->pages[i], PAGE_SIZE, 0); | |
271 | ||
272 | mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list, | |
273 | mem->page_count, PCI_DMA_BIDIRECTIONAL); | |
91b8e305 DW |
274 | if (unlikely(!mem->num_sg)) { |
275 | intel_agp_free_sglist(mem); | |
17661681 ZW |
276 | return -ENOMEM; |
277 | } | |
278 | return 0; | |
279 | } | |
280 | ||
281 | static void intel_agp_unmap_memory(struct agp_memory *mem) | |
282 | { | |
283 | DBG("try unmapping %lu pages\n", (unsigned long)mem->page_count); | |
284 | ||
285 | pci_unmap_sg(intel_private.pcidev, mem->sg_list, | |
286 | mem->page_count, PCI_DMA_BIDIRECTIONAL); | |
91b8e305 | 287 | intel_agp_free_sglist(mem); |
17661681 ZW |
288 | } |
289 | ||
290 | static void intel_agp_insert_sg_entries(struct agp_memory *mem, | |
291 | off_t pg_start, int mask_type) | |
292 | { | |
293 | struct scatterlist *sg; | |
294 | int i, j; | |
295 | ||
296 | j = pg_start; | |
297 | ||
298 | WARN_ON(!mem->num_sg); | |
299 | ||
300 | if (mem->num_sg == mem->page_count) { | |
301 | for_each_sg(mem->sg_list, sg, mem->page_count, i) { | |
302 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
303 | sg_dma_address(sg), mask_type), | |
304 | intel_private.gtt+j); | |
305 | j++; | |
306 | } | |
307 | } else { | |
3ad2f3fb | 308 | /* sg may merge pages, but we have to separate |
17661681 ZW |
309 | * per-page addr for GTT */ |
310 | unsigned int len, m; | |
311 | ||
312 | for_each_sg(mem->sg_list, sg, mem->num_sg, i) { | |
313 | len = sg_dma_len(sg) / PAGE_SIZE; | |
314 | for (m = 0; m < len; m++) { | |
315 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
316 | sg_dma_address(sg) + m * PAGE_SIZE, | |
317 | mask_type), | |
318 | intel_private.gtt+j); | |
319 | j++; | |
320 | } | |
321 | } | |
322 | } | |
323 | readl(intel_private.gtt+j-1); | |
324 | } | |
325 | ||
326 | #else | |
327 | ||
328 | static void intel_agp_insert_sg_entries(struct agp_memory *mem, | |
329 | off_t pg_start, int mask_type) | |
330 | { | |
331 | int i, j; | |
e3deb204 EA |
332 | u32 cache_bits = 0; |
333 | ||
954bce50 EA |
334 | if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || |
335 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) | |
336 | { | |
e3deb204 EA |
337 | cache_bits = I830_PTE_SYSTEM_CACHED; |
338 | } | |
17661681 ZW |
339 | |
340 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
341 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
6a12235c | 342 | page_to_phys(mem->pages[i]), mask_type), |
17661681 ZW |
343 | intel_private.gtt+j); |
344 | } | |
345 | ||
346 | readl(intel_private.gtt+j-1); | |
347 | } | |
348 | ||
349 | #endif | |
350 | ||
1da177e4 LT |
351 | static int intel_i810_fetch_size(void) |
352 | { | |
353 | u32 smram_miscc; | |
354 | struct aper_size_info_fixed *values; | |
355 | ||
356 | pci_read_config_dword(agp_bridge->dev, I810_SMRAM_MISCC, &smram_miscc); | |
357 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
358 | ||
359 | if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) { | |
e3cf6951 | 360 | dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n"); |
1da177e4 LT |
361 | return 0; |
362 | } | |
363 | if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) { | |
364 | agp_bridge->previous_size = | |
365 | agp_bridge->current_size = (void *) (values + 1); | |
366 | agp_bridge->aperture_size_idx = 1; | |
367 | return values[1].size; | |
368 | } else { | |
369 | agp_bridge->previous_size = | |
370 | agp_bridge->current_size = (void *) (values); | |
371 | agp_bridge->aperture_size_idx = 0; | |
372 | return values[0].size; | |
373 | } | |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
378 | static int intel_i810_configure(void) | |
379 | { | |
380 | struct aper_size_info_fixed *current_size; | |
381 | u32 temp; | |
382 | int i; | |
383 | ||
384 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
385 | ||
c4ca8817 WZ |
386 | if (!intel_private.registers) { |
387 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); | |
e4ac5e4f DJ |
388 | temp &= 0xfff80000; |
389 | ||
c4ca8817 WZ |
390 | intel_private.registers = ioremap(temp, 128 * 4096); |
391 | if (!intel_private.registers) { | |
e3cf6951 BH |
392 | dev_err(&intel_private.pcidev->dev, |
393 | "can't remap memory\n"); | |
e4ac5e4f DJ |
394 | return -ENOMEM; |
395 | } | |
1da177e4 LT |
396 | } |
397 | ||
c4ca8817 | 398 | if ((readl(intel_private.registers+I810_DRAM_CTL) |
1da177e4 LT |
399 | & I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) { |
400 | /* This will need to be dynamically assigned */ | |
e3cf6951 BH |
401 | dev_info(&intel_private.pcidev->dev, |
402 | "detected 4MB dedicated video ram\n"); | |
c4ca8817 | 403 | intel_private.num_dcache_entries = 1024; |
1da177e4 | 404 | } |
c4ca8817 | 405 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 | 406 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
c4ca8817 WZ |
407 | writel(agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
408 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
409 | |
410 | if (agp_bridge->driver->needs_scratch_page) { | |
411 | for (i = 0; i < current_size->num_entries; i++) { | |
c4ca8817 | 412 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 413 | } |
44d49441 | 414 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI posting. */ |
1da177e4 LT |
415 | } |
416 | global_cache_flush(); | |
417 | return 0; | |
418 | } | |
419 | ||
420 | static void intel_i810_cleanup(void) | |
421 | { | |
c4ca8817 WZ |
422 | writel(0, intel_private.registers+I810_PGETBL_CTL); |
423 | readl(intel_private.registers); /* PCI Posting. */ | |
424 | iounmap(intel_private.registers); | |
1da177e4 LT |
425 | } |
426 | ||
427 | static void intel_i810_tlbflush(struct agp_memory *mem) | |
428 | { | |
429 | return; | |
430 | } | |
431 | ||
432 | static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode) | |
433 | { | |
434 | return; | |
435 | } | |
436 | ||
437 | /* Exists to support ARGB cursors */ | |
07613ba2 | 438 | static struct page *i8xx_alloc_pages(void) |
1da177e4 | 439 | { |
f011ae74 | 440 | struct page *page; |
1da177e4 | 441 | |
66c669ba | 442 | page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2); |
1da177e4 LT |
443 | if (page == NULL) |
444 | return NULL; | |
445 | ||
6d238cc4 AV |
446 | if (set_pages_uc(page, 4) < 0) { |
447 | set_pages_wb(page, 4); | |
89cf7ccc | 448 | __free_pages(page, 2); |
1da177e4 LT |
449 | return NULL; |
450 | } | |
1da177e4 | 451 | get_page(page); |
1da177e4 | 452 | atomic_inc(&agp_bridge->current_memory_agp); |
07613ba2 | 453 | return page; |
1da177e4 LT |
454 | } |
455 | ||
07613ba2 | 456 | static void i8xx_destroy_pages(struct page *page) |
1da177e4 | 457 | { |
07613ba2 | 458 | if (page == NULL) |
1da177e4 LT |
459 | return; |
460 | ||
6d238cc4 | 461 | set_pages_wb(page, 4); |
1da177e4 | 462 | put_page(page); |
89cf7ccc | 463 | __free_pages(page, 2); |
1da177e4 LT |
464 | atomic_dec(&agp_bridge->current_memory_agp); |
465 | } | |
466 | ||
a030ce44 TH |
467 | static int intel_i830_type_to_mask_type(struct agp_bridge_data *bridge, |
468 | int type) | |
469 | { | |
470 | if (type < AGP_USER_TYPES) | |
471 | return type; | |
472 | else if (type == AGP_USER_CACHED_MEMORY) | |
473 | return INTEL_AGP_CACHED_MEMORY; | |
474 | else | |
475 | return 0; | |
476 | } | |
477 | ||
1da177e4 LT |
478 | static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, |
479 | int type) | |
480 | { | |
481 | int i, j, num_entries; | |
482 | void *temp; | |
a030ce44 TH |
483 | int ret = -EINVAL; |
484 | int mask_type; | |
1da177e4 | 485 | |
5aa80c72 | 486 | if (mem->page_count == 0) |
a030ce44 | 487 | goto out; |
5aa80c72 | 488 | |
1da177e4 LT |
489 | temp = agp_bridge->current_size; |
490 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
491 | ||
6a92a4e0 | 492 | if ((pg_start + mem->page_count) > num_entries) |
a030ce44 | 493 | goto out_err; |
6a92a4e0 | 494 | |
1da177e4 | 495 | |
a030ce44 TH |
496 | for (j = pg_start; j < (pg_start + mem->page_count); j++) { |
497 | if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) { | |
498 | ret = -EBUSY; | |
499 | goto out_err; | |
1da177e4 | 500 | } |
1da177e4 LT |
501 | } |
502 | ||
a030ce44 TH |
503 | if (type != mem->type) |
504 | goto out_err; | |
5aa80c72 | 505 | |
a030ce44 TH |
506 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); |
507 | ||
508 | switch (mask_type) { | |
509 | case AGP_DCACHE_MEMORY: | |
510 | if (!mem->is_flushed) | |
511 | global_cache_flush(); | |
512 | for (i = pg_start; i < (pg_start + mem->page_count); i++) { | |
513 | writel((i*4096)|I810_PTE_LOCAL|I810_PTE_VALID, | |
c4ca8817 | 514 | intel_private.registers+I810_PTE_BASE+(i*4)); |
a030ce44 | 515 | } |
c4ca8817 | 516 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
a030ce44 TH |
517 | break; |
518 | case AGP_PHYS_MEMORY: | |
519 | case AGP_NORMAL_MEMORY: | |
520 | if (!mem->is_flushed) | |
521 | global_cache_flush(); | |
522 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
523 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
6a12235c | 524 | page_to_phys(mem->pages[i]), mask_type), |
c4ca8817 | 525 | intel_private.registers+I810_PTE_BASE+(j*4)); |
a030ce44 | 526 | } |
c4ca8817 | 527 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
a030ce44 TH |
528 | break; |
529 | default: | |
530 | goto out_err; | |
1da177e4 | 531 | } |
1da177e4 LT |
532 | |
533 | agp_bridge->driver->tlb_flush(mem); | |
a030ce44 TH |
534 | out: |
535 | ret = 0; | |
536 | out_err: | |
9516b030 | 537 | mem->is_flushed = true; |
a030ce44 | 538 | return ret; |
1da177e4 LT |
539 | } |
540 | ||
541 | static int intel_i810_remove_entries(struct agp_memory *mem, off_t pg_start, | |
542 | int type) | |
543 | { | |
544 | int i; | |
545 | ||
5aa80c72 TH |
546 | if (mem->page_count == 0) |
547 | return 0; | |
548 | ||
1da177e4 | 549 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { |
c4ca8817 | 550 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 551 | } |
c4ca8817 | 552 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 553 | |
1da177e4 LT |
554 | agp_bridge->driver->tlb_flush(mem); |
555 | return 0; | |
556 | } | |
557 | ||
558 | /* | |
559 | * The i810/i830 requires a physical address to program its mouse | |
560 | * pointer into hardware. | |
561 | * However the Xserver still writes to it through the agp aperture. | |
562 | */ | |
563 | static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type) | |
564 | { | |
565 | struct agp_memory *new; | |
07613ba2 | 566 | struct page *page; |
1da177e4 | 567 | |
1da177e4 | 568 | switch (pg_count) { |
07613ba2 | 569 | case 1: page = agp_bridge->driver->agp_alloc_page(agp_bridge); |
1da177e4 LT |
570 | break; |
571 | case 4: | |
572 | /* kludge to get 4 physical pages for ARGB cursor */ | |
07613ba2 | 573 | page = i8xx_alloc_pages(); |
1da177e4 LT |
574 | break; |
575 | default: | |
576 | return NULL; | |
577 | } | |
578 | ||
07613ba2 | 579 | if (page == NULL) |
1da177e4 LT |
580 | return NULL; |
581 | ||
582 | new = agp_create_memory(pg_count); | |
583 | if (new == NULL) | |
584 | return NULL; | |
585 | ||
07613ba2 | 586 | new->pages[0] = page; |
1da177e4 LT |
587 | if (pg_count == 4) { |
588 | /* kludge to get 4 physical pages for ARGB cursor */ | |
07613ba2 DA |
589 | new->pages[1] = new->pages[0] + 1; |
590 | new->pages[2] = new->pages[1] + 1; | |
591 | new->pages[3] = new->pages[2] + 1; | |
1da177e4 LT |
592 | } |
593 | new->page_count = pg_count; | |
594 | new->num_scratch_pages = pg_count; | |
595 | new->type = AGP_PHYS_MEMORY; | |
07613ba2 | 596 | new->physical = page_to_phys(new->pages[0]); |
1da177e4 LT |
597 | return new; |
598 | } | |
599 | ||
600 | static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) | |
601 | { | |
602 | struct agp_memory *new; | |
603 | ||
604 | if (type == AGP_DCACHE_MEMORY) { | |
c4ca8817 | 605 | if (pg_count != intel_private.num_dcache_entries) |
1da177e4 LT |
606 | return NULL; |
607 | ||
608 | new = agp_create_memory(1); | |
609 | if (new == NULL) | |
610 | return NULL; | |
611 | ||
612 | new->type = AGP_DCACHE_MEMORY; | |
613 | new->page_count = pg_count; | |
614 | new->num_scratch_pages = 0; | |
a030ce44 | 615 | agp_free_page_array(new); |
1da177e4 LT |
616 | return new; |
617 | } | |
618 | if (type == AGP_PHYS_MEMORY) | |
619 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
620 | return NULL; |
621 | } | |
622 | ||
623 | static void intel_i810_free_by_type(struct agp_memory *curr) | |
624 | { | |
625 | agp_free_key(curr->key); | |
6a92a4e0 | 626 | if (curr->type == AGP_PHYS_MEMORY) { |
1da177e4 | 627 | if (curr->page_count == 4) |
07613ba2 | 628 | i8xx_destroy_pages(curr->pages[0]); |
88d51967 | 629 | else { |
07613ba2 | 630 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
a2721e99 | 631 | AGP_PAGE_DESTROY_UNMAP); |
07613ba2 | 632 | agp_bridge->driver->agp_destroy_page(curr->pages[0], |
a2721e99 | 633 | AGP_PAGE_DESTROY_FREE); |
88d51967 | 634 | } |
a030ce44 | 635 | agp_free_page_array(curr); |
1da177e4 LT |
636 | } |
637 | kfree(curr); | |
638 | } | |
639 | ||
640 | static unsigned long intel_i810_mask_memory(struct agp_bridge_data *bridge, | |
2a4ceb6d | 641 | dma_addr_t addr, int type) |
1da177e4 LT |
642 | { |
643 | /* Type checking must be done elsewhere */ | |
644 | return addr | bridge->driver->masks[type].mask; | |
645 | } | |
646 | ||
647 | static struct aper_size_info_fixed intel_i830_sizes[] = | |
648 | { | |
649 | {128, 32768, 5}, | |
650 | /* The 64M mode still requires a 128k gatt */ | |
651 | {64, 16384, 5}, | |
652 | {256, 65536, 6}, | |
65c25aad | 653 | {512, 131072, 7}, |
1da177e4 LT |
654 | }; |
655 | ||
1da177e4 LT |
656 | static void intel_i830_init_gtt_entries(void) |
657 | { | |
658 | u16 gmch_ctrl; | |
14bc490b | 659 | int gtt_entries = 0; |
1da177e4 LT |
660 | u8 rdct; |
661 | int local = 0; | |
662 | static const int ddt[4] = { 0, 16, 32, 64 }; | |
c41e0deb | 663 | int size; /* reserved space (in kb) at the top of stolen memory */ |
1da177e4 | 664 | |
f011ae74 | 665 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 666 | |
c41e0deb EA |
667 | if (IS_I965) { |
668 | u32 pgetbl_ctl; | |
c4ca8817 | 669 | pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); |
c41e0deb | 670 | |
c41e0deb EA |
671 | /* The 965 has a field telling us the size of the GTT, |
672 | * which may be larger than what is necessary to map the | |
673 | * aperture. | |
674 | */ | |
675 | switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { | |
676 | case I965_PGETBL_SIZE_128KB: | |
677 | size = 128; | |
678 | break; | |
679 | case I965_PGETBL_SIZE_256KB: | |
680 | size = 256; | |
681 | break; | |
682 | case I965_PGETBL_SIZE_512KB: | |
683 | size = 512; | |
684 | break; | |
4e8b6e25 ZW |
685 | case I965_PGETBL_SIZE_1MB: |
686 | size = 1024; | |
687 | break; | |
688 | case I965_PGETBL_SIZE_2MB: | |
689 | size = 2048; | |
690 | break; | |
691 | case I965_PGETBL_SIZE_1_5MB: | |
692 | size = 1024 + 512; | |
693 | break; | |
c41e0deb | 694 | default: |
e3cf6951 BH |
695 | dev_info(&intel_private.pcidev->dev, |
696 | "unknown page table size, assuming 512KB\n"); | |
c41e0deb EA |
697 | size = 512; |
698 | } | |
699 | size += 4; /* add in BIOS popup space */ | |
107f517b | 700 | } else if (IS_G33 && !IS_PINEVIEW) { |
874808c6 WZ |
701 | /* G33's GTT size defined in gmch_ctrl */ |
702 | switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) { | |
703 | case G33_PGETBL_SIZE_1M: | |
704 | size = 1024; | |
705 | break; | |
706 | case G33_PGETBL_SIZE_2M: | |
707 | size = 2048; | |
708 | break; | |
709 | default: | |
e3cf6951 BH |
710 | dev_info(&agp_bridge->dev->dev, |
711 | "unknown page table size 0x%x, assuming 512KB\n", | |
874808c6 WZ |
712 | (gmch_ctrl & G33_PGETBL_SIZE_MASK)); |
713 | size = 512; | |
714 | } | |
715 | size += 4; | |
107f517b | 716 | } else if (IS_G4X || IS_PINEVIEW) { |
25ce77ab | 717 | /* On 4 series hardware, GTT stolen is separate from graphics |
82e14a62 EA |
718 | * stolen, ignore it in stolen gtt entries counting. However, |
719 | * 4KB of the stolen memory doesn't get mapped to the GTT. | |
720 | */ | |
721 | size = 4; | |
c41e0deb EA |
722 | } else { |
723 | /* On previous hardware, the GTT size was just what was | |
724 | * required to map the aperture. | |
725 | */ | |
726 | size = agp_bridge->driver->fetch_size() + 4; | |
727 | } | |
1da177e4 LT |
728 | |
729 | if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || | |
730 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { | |
731 | switch (gmch_ctrl & I830_GMCH_GMS_MASK) { | |
732 | case I830_GMCH_GMS_STOLEN_512: | |
733 | gtt_entries = KB(512) - KB(size); | |
734 | break; | |
735 | case I830_GMCH_GMS_STOLEN_1024: | |
736 | gtt_entries = MB(1) - KB(size); | |
737 | break; | |
738 | case I830_GMCH_GMS_STOLEN_8192: | |
739 | gtt_entries = MB(8) - KB(size); | |
740 | break; | |
741 | case I830_GMCH_GMS_LOCAL: | |
c4ca8817 | 742 | rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); |
1da177e4 LT |
743 | gtt_entries = (I830_RDRAM_ND(rdct) + 1) * |
744 | MB(ddt[I830_RDRAM_DDT(rdct)]); | |
745 | local = 1; | |
746 | break; | |
747 | default: | |
748 | gtt_entries = 0; | |
749 | break; | |
750 | } | |
954bce50 EA |
751 | } else if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || |
752 | agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) { | |
14bc490b ZW |
753 | /* |
754 | * SandyBridge has new memory control reg at 0x50.w | |
1089e300 | 755 | */ |
14bc490b ZW |
756 | u16 snb_gmch_ctl; |
757 | pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); | |
758 | switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) { | |
759 | case SNB_GMCH_GMS_STOLEN_32M: | |
760 | gtt_entries = MB(32) - KB(size); | |
761 | break; | |
762 | case SNB_GMCH_GMS_STOLEN_64M: | |
763 | gtt_entries = MB(64) - KB(size); | |
764 | break; | |
765 | case SNB_GMCH_GMS_STOLEN_96M: | |
766 | gtt_entries = MB(96) - KB(size); | |
767 | break; | |
768 | case SNB_GMCH_GMS_STOLEN_128M: | |
769 | gtt_entries = MB(128) - KB(size); | |
770 | break; | |
771 | case SNB_GMCH_GMS_STOLEN_160M: | |
772 | gtt_entries = MB(160) - KB(size); | |
773 | break; | |
774 | case SNB_GMCH_GMS_STOLEN_192M: | |
775 | gtt_entries = MB(192) - KB(size); | |
776 | break; | |
777 | case SNB_GMCH_GMS_STOLEN_224M: | |
778 | gtt_entries = MB(224) - KB(size); | |
779 | break; | |
780 | case SNB_GMCH_GMS_STOLEN_256M: | |
781 | gtt_entries = MB(256) - KB(size); | |
782 | break; | |
783 | case SNB_GMCH_GMS_STOLEN_288M: | |
784 | gtt_entries = MB(288) - KB(size); | |
785 | break; | |
786 | case SNB_GMCH_GMS_STOLEN_320M: | |
787 | gtt_entries = MB(320) - KB(size); | |
788 | break; | |
789 | case SNB_GMCH_GMS_STOLEN_352M: | |
790 | gtt_entries = MB(352) - KB(size); | |
791 | break; | |
792 | case SNB_GMCH_GMS_STOLEN_384M: | |
793 | gtt_entries = MB(384) - KB(size); | |
794 | break; | |
795 | case SNB_GMCH_GMS_STOLEN_416M: | |
796 | gtt_entries = MB(416) - KB(size); | |
797 | break; | |
798 | case SNB_GMCH_GMS_STOLEN_448M: | |
799 | gtt_entries = MB(448) - KB(size); | |
800 | break; | |
801 | case SNB_GMCH_GMS_STOLEN_480M: | |
802 | gtt_entries = MB(480) - KB(size); | |
803 | break; | |
804 | case SNB_GMCH_GMS_STOLEN_512M: | |
805 | gtt_entries = MB(512) - KB(size); | |
806 | break; | |
807 | } | |
1da177e4 | 808 | } else { |
e67aa27a | 809 | switch (gmch_ctrl & I855_GMCH_GMS_MASK) { |
1da177e4 LT |
810 | case I855_GMCH_GMS_STOLEN_1M: |
811 | gtt_entries = MB(1) - KB(size); | |
812 | break; | |
813 | case I855_GMCH_GMS_STOLEN_4M: | |
814 | gtt_entries = MB(4) - KB(size); | |
815 | break; | |
816 | case I855_GMCH_GMS_STOLEN_8M: | |
817 | gtt_entries = MB(8) - KB(size); | |
818 | break; | |
819 | case I855_GMCH_GMS_STOLEN_16M: | |
820 | gtt_entries = MB(16) - KB(size); | |
821 | break; | |
822 | case I855_GMCH_GMS_STOLEN_32M: | |
823 | gtt_entries = MB(32) - KB(size); | |
824 | break; | |
825 | case I915_GMCH_GMS_STOLEN_48M: | |
826 | /* Check it's really I915G */ | |
25ce77ab | 827 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
828 | gtt_entries = MB(48) - KB(size); |
829 | else | |
830 | gtt_entries = 0; | |
831 | break; | |
832 | case I915_GMCH_GMS_STOLEN_64M: | |
833 | /* Check it's really I915G */ | |
25ce77ab | 834 | if (IS_I915 || IS_I965 || IS_G33 || IS_G4X) |
1da177e4 LT |
835 | gtt_entries = MB(64) - KB(size); |
836 | else | |
837 | gtt_entries = 0; | |
874808c6 WZ |
838 | break; |
839 | case G33_GMCH_GMS_STOLEN_128M: | |
25ce77ab | 840 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
841 | gtt_entries = MB(128) - KB(size); |
842 | else | |
843 | gtt_entries = 0; | |
844 | break; | |
845 | case G33_GMCH_GMS_STOLEN_256M: | |
25ce77ab | 846 | if (IS_G33 || IS_I965 || IS_G4X) |
874808c6 WZ |
847 | gtt_entries = MB(256) - KB(size); |
848 | else | |
849 | gtt_entries = 0; | |
850 | break; | |
25ce77ab ZW |
851 | case INTEL_GMCH_GMS_STOLEN_96M: |
852 | if (IS_I965 || IS_G4X) | |
853 | gtt_entries = MB(96) - KB(size); | |
854 | else | |
855 | gtt_entries = 0; | |
856 | break; | |
857 | case INTEL_GMCH_GMS_STOLEN_160M: | |
858 | if (IS_I965 || IS_G4X) | |
859 | gtt_entries = MB(160) - KB(size); | |
860 | else | |
861 | gtt_entries = 0; | |
862 | break; | |
863 | case INTEL_GMCH_GMS_STOLEN_224M: | |
864 | if (IS_I965 || IS_G4X) | |
865 | gtt_entries = MB(224) - KB(size); | |
866 | else | |
867 | gtt_entries = 0; | |
868 | break; | |
869 | case INTEL_GMCH_GMS_STOLEN_352M: | |
870 | if (IS_I965 || IS_G4X) | |
871 | gtt_entries = MB(352) - KB(size); | |
872 | else | |
873 | gtt_entries = 0; | |
874 | break; | |
1da177e4 LT |
875 | default: |
876 | gtt_entries = 0; | |
877 | break; | |
878 | } | |
879 | } | |
9c1e8a4e | 880 | if (gtt_entries > 0) { |
e3cf6951 | 881 | dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n", |
1da177e4 | 882 | gtt_entries / KB(1), local ? "local" : "stolen"); |
9c1e8a4e LR |
883 | gtt_entries /= KB(4); |
884 | } else { | |
e3cf6951 BH |
885 | dev_info(&agp_bridge->dev->dev, |
886 | "no pre-allocated video memory detected\n"); | |
9c1e8a4e LR |
887 | gtt_entries = 0; |
888 | } | |
1da177e4 | 889 | |
c4ca8817 | 890 | intel_private.gtt_entries = gtt_entries; |
1da177e4 LT |
891 | } |
892 | ||
2162e6a2 DA |
893 | static void intel_i830_fini_flush(void) |
894 | { | |
895 | kunmap(intel_private.i8xx_page); | |
896 | intel_private.i8xx_flush_page = NULL; | |
897 | unmap_page_from_agp(intel_private.i8xx_page); | |
2162e6a2 DA |
898 | |
899 | __free_page(intel_private.i8xx_page); | |
4d64dd9e | 900 | intel_private.i8xx_page = NULL; |
2162e6a2 DA |
901 | } |
902 | ||
903 | static void intel_i830_setup_flush(void) | |
904 | { | |
4d64dd9e DA |
905 | /* return if we've already set the flush mechanism up */ |
906 | if (intel_private.i8xx_page) | |
907 | return; | |
2162e6a2 DA |
908 | |
909 | intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); | |
f011ae74 | 910 | if (!intel_private.i8xx_page) |
2162e6a2 | 911 | return; |
2162e6a2 | 912 | |
2162e6a2 DA |
913 | intel_private.i8xx_flush_page = kmap(intel_private.i8xx_page); |
914 | if (!intel_private.i8xx_flush_page) | |
915 | intel_i830_fini_flush(); | |
916 | } | |
917 | ||
e517a5e9 EA |
918 | /* The chipset_flush interface needs to get data that has already been |
919 | * flushed out of the CPU all the way out to main memory, because the GPU | |
920 | * doesn't snoop those buffers. | |
921 | * | |
922 | * The 8xx series doesn't have the same lovely interface for flushing the | |
923 | * chipset write buffers that the later chips do. According to the 865 | |
924 | * specs, it's 64 octwords, or 1KB. So, to get those previous things in | |
925 | * that buffer out, we just fill 1KB and clflush it out, on the assumption | |
926 | * that it'll push whatever was in there out. It appears to work. | |
927 | */ | |
2162e6a2 DA |
928 | static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) |
929 | { | |
930 | unsigned int *pg = intel_private.i8xx_flush_page; | |
2162e6a2 | 931 | |
e517a5e9 | 932 | memset(pg, 0, 1024); |
f011ae74 | 933 | |
48a719c2 | 934 | if (cpu_has_clflush) |
e517a5e9 | 935 | clflush_cache_range(pg, 1024); |
48a719c2 BP |
936 | else if (wbinvd_on_all_cpus() != 0) |
937 | printk(KERN_ERR "Timed out waiting for cache flush.\n"); | |
2162e6a2 DA |
938 | } |
939 | ||
1da177e4 LT |
940 | /* The intel i830 automatically initializes the agp aperture during POST. |
941 | * Use the memory already set aside for in the GTT. | |
942 | */ | |
943 | static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge) | |
944 | { | |
945 | int page_order; | |
946 | struct aper_size_info_fixed *size; | |
947 | int num_entries; | |
948 | u32 temp; | |
949 | ||
950 | size = agp_bridge->current_size; | |
951 | page_order = size->page_order; | |
952 | num_entries = size->num_entries; | |
953 | agp_bridge->gatt_table_real = NULL; | |
954 | ||
f011ae74 | 955 | pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp); |
1da177e4 LT |
956 | temp &= 0xfff80000; |
957 | ||
f011ae74 | 958 | intel_private.registers = ioremap(temp, 128 * 4096); |
c4ca8817 | 959 | if (!intel_private.registers) |
1da177e4 LT |
960 | return -ENOMEM; |
961 | ||
c4ca8817 | 962 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
963 | global_cache_flush(); /* FIXME: ?? */ |
964 | ||
965 | /* we have to call this as early as possible after the MMIO base address is known */ | |
966 | intel_i830_init_gtt_entries(); | |
967 | ||
968 | agp_bridge->gatt_table = NULL; | |
969 | ||
970 | agp_bridge->gatt_bus_addr = temp; | |
971 | ||
972 | return 0; | |
973 | } | |
974 | ||
975 | /* Return the gatt table to a sane state. Use the top of stolen | |
976 | * memory for the GTT. | |
977 | */ | |
978 | static int intel_i830_free_gatt_table(struct agp_bridge_data *bridge) | |
979 | { | |
980 | return 0; | |
981 | } | |
982 | ||
983 | static int intel_i830_fetch_size(void) | |
984 | { | |
985 | u16 gmch_ctrl; | |
986 | struct aper_size_info_fixed *values; | |
987 | ||
988 | values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); | |
989 | ||
990 | if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB && | |
991 | agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) { | |
992 | /* 855GM/852GM/865G has 128MB aperture size */ | |
993 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
994 | agp_bridge->aperture_size_idx = 0; | |
995 | return values[0].size; | |
996 | } | |
997 | ||
f011ae74 | 998 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 LT |
999 | |
1000 | if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) { | |
1001 | agp_bridge->previous_size = agp_bridge->current_size = (void *) values; | |
1002 | agp_bridge->aperture_size_idx = 0; | |
1003 | return values[0].size; | |
1004 | } else { | |
1005 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + 1); | |
1006 | agp_bridge->aperture_size_idx = 1; | |
1007 | return values[1].size; | |
1008 | } | |
1009 | ||
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static int intel_i830_configure(void) | |
1014 | { | |
1015 | struct aper_size_info_fixed *current_size; | |
1016 | u32 temp; | |
1017 | u16 gmch_ctrl; | |
1018 | int i; | |
1019 | ||
1020 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
1021 | ||
f011ae74 | 1022 | pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp); |
1da177e4 LT |
1023 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); |
1024 | ||
f011ae74 | 1025 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 1026 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 1027 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 1028 | |
c4ca8817 WZ |
1029 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
1030 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
1031 | |
1032 | if (agp_bridge->driver->needs_scratch_page) { | |
c4ca8817 WZ |
1033 | for (i = intel_private.gtt_entries; i < current_size->num_entries; i++) { |
1034 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); | |
1da177e4 | 1035 | } |
44d49441 | 1036 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */ |
1da177e4 LT |
1037 | } |
1038 | ||
1039 | global_cache_flush(); | |
2162e6a2 DA |
1040 | |
1041 | intel_i830_setup_flush(); | |
1da177e4 LT |
1042 | return 0; |
1043 | } | |
1044 | ||
1045 | static void intel_i830_cleanup(void) | |
1046 | { | |
c4ca8817 | 1047 | iounmap(intel_private.registers); |
1da177e4 LT |
1048 | } |
1049 | ||
f011ae74 DA |
1050 | static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start, |
1051 | int type) | |
1da177e4 | 1052 | { |
f011ae74 | 1053 | int i, j, num_entries; |
1da177e4 | 1054 | void *temp; |
a030ce44 TH |
1055 | int ret = -EINVAL; |
1056 | int mask_type; | |
1da177e4 | 1057 | |
5aa80c72 | 1058 | if (mem->page_count == 0) |
a030ce44 | 1059 | goto out; |
5aa80c72 | 1060 | |
1da177e4 LT |
1061 | temp = agp_bridge->current_size; |
1062 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
1063 | ||
c4ca8817 | 1064 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1065 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
1066 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
1067 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 1068 | |
e3cf6951 BH |
1069 | dev_info(&intel_private.pcidev->dev, |
1070 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 1071 | goto out_err; |
1da177e4 LT |
1072 | } |
1073 | ||
1074 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 1075 | goto out_err; |
1da177e4 LT |
1076 | |
1077 | /* The i830 can't check the GTT for entries since its read only, | |
1078 | * depend on the caller to make the correct offset decisions. | |
1079 | */ | |
1080 | ||
a030ce44 TH |
1081 | if (type != mem->type) |
1082 | goto out_err; | |
1083 | ||
1084 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 1085 | |
a030ce44 TH |
1086 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
1087 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
1088 | goto out_err; | |
1089 | ||
1090 | if (!mem->is_flushed) | |
5aa80c72 | 1091 | global_cache_flush(); |
1da177e4 LT |
1092 | |
1093 | for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { | |
1094 | writel(agp_bridge->driver->mask_memory(agp_bridge, | |
6a12235c | 1095 | page_to_phys(mem->pages[i]), mask_type), |
c4ca8817 | 1096 | intel_private.registers+I810_PTE_BASE+(j*4)); |
1da177e4 | 1097 | } |
c4ca8817 | 1098 | readl(intel_private.registers+I810_PTE_BASE+((j-1)*4)); |
1da177e4 | 1099 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
1100 | |
1101 | out: | |
1102 | ret = 0; | |
1103 | out_err: | |
9516b030 | 1104 | mem->is_flushed = true; |
a030ce44 | 1105 | return ret; |
1da177e4 LT |
1106 | } |
1107 | ||
f011ae74 DA |
1108 | static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start, |
1109 | int type) | |
1da177e4 LT |
1110 | { |
1111 | int i; | |
1112 | ||
5aa80c72 TH |
1113 | if (mem->page_count == 0) |
1114 | return 0; | |
1da177e4 | 1115 | |
c4ca8817 | 1116 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1117 | dev_info(&intel_private.pcidev->dev, |
1118 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
1119 | return -EINVAL; |
1120 | } | |
1121 | ||
1122 | for (i = pg_start; i < (mem->page_count + pg_start); i++) { | |
c4ca8817 | 1123 | writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4)); |
1da177e4 | 1124 | } |
c4ca8817 | 1125 | readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); |
1da177e4 | 1126 | |
1da177e4 LT |
1127 | agp_bridge->driver->tlb_flush(mem); |
1128 | return 0; | |
1129 | } | |
1130 | ||
f011ae74 | 1131 | static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count, int type) |
1da177e4 LT |
1132 | { |
1133 | if (type == AGP_PHYS_MEMORY) | |
1134 | return alloc_agpphysmem_i8xx(pg_count, type); | |
1da177e4 LT |
1135 | /* always return NULL for other allocation types for now */ |
1136 | return NULL; | |
1137 | } | |
1138 | ||
6c00a61e DA |
1139 | static int intel_alloc_chipset_flush_resource(void) |
1140 | { | |
1141 | int ret; | |
1142 | ret = pci_bus_alloc_resource(agp_bridge->dev->bus, &intel_private.ifp_resource, PAGE_SIZE, | |
1143 | PAGE_SIZE, PCIBIOS_MIN_MEM, 0, | |
1144 | pcibios_align_resource, agp_bridge->dev); | |
6c00a61e | 1145 | |
2162e6a2 | 1146 | return ret; |
6c00a61e DA |
1147 | } |
1148 | ||
1149 | static void intel_i915_setup_chipset_flush(void) | |
1150 | { | |
1151 | int ret; | |
1152 | u32 temp; | |
1153 | ||
1154 | pci_read_config_dword(agp_bridge->dev, I915_IFPADDR, &temp); | |
1155 | if (!(temp & 0x1)) { | |
1156 | intel_alloc_chipset_flush_resource(); | |
4d64dd9e | 1157 | intel_private.resource_valid = 1; |
6c00a61e DA |
1158 | pci_write_config_dword(agp_bridge->dev, I915_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
1159 | } else { | |
1160 | temp &= ~1; | |
1161 | ||
4d64dd9e | 1162 | intel_private.resource_valid = 1; |
6c00a61e DA |
1163 | intel_private.ifp_resource.start = temp; |
1164 | intel_private.ifp_resource.end = temp + PAGE_SIZE; | |
1165 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
1166 | /* some BIOSes reserve this area in a pnp some don't */ |
1167 | if (ret) | |
1168 | intel_private.resource_valid = 0; | |
6c00a61e DA |
1169 | } |
1170 | } | |
1171 | ||
1172 | static void intel_i965_g33_setup_chipset_flush(void) | |
1173 | { | |
1174 | u32 temp_hi, temp_lo; | |
1175 | int ret; | |
1176 | ||
1177 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR + 4, &temp_hi); | |
1178 | pci_read_config_dword(agp_bridge->dev, I965_IFPADDR, &temp_lo); | |
1179 | ||
1180 | if (!(temp_lo & 0x1)) { | |
1181 | ||
1182 | intel_alloc_chipset_flush_resource(); | |
1183 | ||
4d64dd9e | 1184 | intel_private.resource_valid = 1; |
1fa4db7d AM |
1185 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR + 4, |
1186 | upper_32_bits(intel_private.ifp_resource.start)); | |
6c00a61e | 1187 | pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1); |
6c00a61e DA |
1188 | } else { |
1189 | u64 l64; | |
f011ae74 | 1190 | |
6c00a61e DA |
1191 | temp_lo &= ~0x1; |
1192 | l64 = ((u64)temp_hi << 32) | temp_lo; | |
1193 | ||
4d64dd9e | 1194 | intel_private.resource_valid = 1; |
6c00a61e DA |
1195 | intel_private.ifp_resource.start = l64; |
1196 | intel_private.ifp_resource.end = l64 + PAGE_SIZE; | |
1197 | ret = request_resource(&iomem_resource, &intel_private.ifp_resource); | |
4d64dd9e DA |
1198 | /* some BIOSes reserve this area in a pnp some don't */ |
1199 | if (ret) | |
1200 | intel_private.resource_valid = 0; | |
6c00a61e DA |
1201 | } |
1202 | } | |
1203 | ||
2162e6a2 DA |
1204 | static void intel_i9xx_setup_flush(void) |
1205 | { | |
4d64dd9e DA |
1206 | /* return if already configured */ |
1207 | if (intel_private.ifp_resource.start) | |
1208 | return; | |
2162e6a2 | 1209 | |
66f6ff09 EA |
1210 | if (IS_SNB) |
1211 | return; | |
1212 | ||
4d64dd9e | 1213 | /* setup a resource for this object */ |
2162e6a2 DA |
1214 | intel_private.ifp_resource.name = "Intel Flush Page"; |
1215 | intel_private.ifp_resource.flags = IORESOURCE_MEM; | |
1216 | ||
1217 | /* Setup chipset flush for 915 */ | |
7d15ddf7 | 1218 | if (IS_I965 || IS_G33 || IS_G4X) { |
2162e6a2 DA |
1219 | intel_i965_g33_setup_chipset_flush(); |
1220 | } else { | |
1221 | intel_i915_setup_chipset_flush(); | |
1222 | } | |
1223 | ||
1224 | if (intel_private.ifp_resource.start) { | |
1225 | intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); | |
1226 | if (!intel_private.i9xx_flush_page) | |
e3cf6951 | 1227 | dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing"); |
2162e6a2 DA |
1228 | } |
1229 | } | |
1230 | ||
1da177e4 LT |
1231 | static int intel_i915_configure(void) |
1232 | { | |
1233 | struct aper_size_info_fixed *current_size; | |
1234 | u32 temp; | |
1235 | u16 gmch_ctrl; | |
1236 | int i; | |
1237 | ||
1238 | current_size = A_SIZE_FIX(agp_bridge->current_size); | |
1239 | ||
c4ca8817 | 1240 | pci_read_config_dword(intel_private.pcidev, I915_GMADDR, &temp); |
1da177e4 LT |
1241 | |
1242 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1243 | ||
f011ae74 | 1244 | pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl); |
1da177e4 | 1245 | gmch_ctrl |= I830_GMCH_ENABLED; |
f011ae74 | 1246 | pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl); |
1da177e4 | 1247 | |
c4ca8817 WZ |
1248 | writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL); |
1249 | readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */ | |
1da177e4 LT |
1250 | |
1251 | if (agp_bridge->driver->needs_scratch_page) { | |
fc619013 | 1252 | for (i = intel_private.gtt_entries; i < intel_private.gtt_total_size; i++) { |
c4ca8817 | 1253 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
1da177e4 | 1254 | } |
44d49441 | 1255 | readl(intel_private.gtt+i-1); /* PCI Posting. */ |
1da177e4 LT |
1256 | } |
1257 | ||
1258 | global_cache_flush(); | |
6c00a61e | 1259 | |
2162e6a2 | 1260 | intel_i9xx_setup_flush(); |
f011ae74 | 1261 | |
1da177e4 LT |
1262 | return 0; |
1263 | } | |
1264 | ||
1265 | static void intel_i915_cleanup(void) | |
1266 | { | |
2162e6a2 DA |
1267 | if (intel_private.i9xx_flush_page) |
1268 | iounmap(intel_private.i9xx_flush_page); | |
4d64dd9e DA |
1269 | if (intel_private.resource_valid) |
1270 | release_resource(&intel_private.ifp_resource); | |
1271 | intel_private.ifp_resource.start = 0; | |
1272 | intel_private.resource_valid = 0; | |
c4ca8817 WZ |
1273 | iounmap(intel_private.gtt); |
1274 | iounmap(intel_private.registers); | |
1da177e4 LT |
1275 | } |
1276 | ||
6c00a61e DA |
1277 | static void intel_i915_chipset_flush(struct agp_bridge_data *bridge) |
1278 | { | |
2162e6a2 DA |
1279 | if (intel_private.i9xx_flush_page) |
1280 | writel(1, intel_private.i9xx_flush_page); | |
6c00a61e DA |
1281 | } |
1282 | ||
f011ae74 DA |
1283 | static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start, |
1284 | int type) | |
1da177e4 | 1285 | { |
17661681 | 1286 | int num_entries; |
1da177e4 | 1287 | void *temp; |
a030ce44 TH |
1288 | int ret = -EINVAL; |
1289 | int mask_type; | |
1da177e4 | 1290 | |
5aa80c72 | 1291 | if (mem->page_count == 0) |
a030ce44 | 1292 | goto out; |
5aa80c72 | 1293 | |
1da177e4 LT |
1294 | temp = agp_bridge->current_size; |
1295 | num_entries = A_SIZE_FIX(temp)->num_entries; | |
1296 | ||
c4ca8817 | 1297 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1298 | dev_printk(KERN_DEBUG, &intel_private.pcidev->dev, |
1299 | "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n", | |
1300 | pg_start, intel_private.gtt_entries); | |
1da177e4 | 1301 | |
e3cf6951 BH |
1302 | dev_info(&intel_private.pcidev->dev, |
1303 | "trying to insert into local/stolen memory\n"); | |
a030ce44 | 1304 | goto out_err; |
1da177e4 LT |
1305 | } |
1306 | ||
1307 | if ((pg_start + mem->page_count) > num_entries) | |
a030ce44 | 1308 | goto out_err; |
1da177e4 | 1309 | |
17661681 | 1310 | /* The i915 can't check the GTT for entries since it's read only; |
1da177e4 LT |
1311 | * depend on the caller to make the correct offset decisions. |
1312 | */ | |
1313 | ||
a030ce44 TH |
1314 | if (type != mem->type) |
1315 | goto out_err; | |
1316 | ||
1317 | mask_type = agp_bridge->driver->agp_type_to_mask_type(agp_bridge, type); | |
1da177e4 | 1318 | |
a030ce44 TH |
1319 | if (mask_type != 0 && mask_type != AGP_PHYS_MEMORY && |
1320 | mask_type != INTEL_AGP_CACHED_MEMORY) | |
1321 | goto out_err; | |
1322 | ||
1323 | if (!mem->is_flushed) | |
5aa80c72 | 1324 | global_cache_flush(); |
1da177e4 | 1325 | |
17661681 | 1326 | intel_agp_insert_sg_entries(mem, pg_start, mask_type); |
1da177e4 | 1327 | agp_bridge->driver->tlb_flush(mem); |
a030ce44 TH |
1328 | |
1329 | out: | |
1330 | ret = 0; | |
1331 | out_err: | |
9516b030 | 1332 | mem->is_flushed = true; |
a030ce44 | 1333 | return ret; |
1da177e4 LT |
1334 | } |
1335 | ||
f011ae74 DA |
1336 | static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start, |
1337 | int type) | |
1da177e4 LT |
1338 | { |
1339 | int i; | |
1340 | ||
5aa80c72 TH |
1341 | if (mem->page_count == 0) |
1342 | return 0; | |
1da177e4 | 1343 | |
c4ca8817 | 1344 | if (pg_start < intel_private.gtt_entries) { |
e3cf6951 BH |
1345 | dev_info(&intel_private.pcidev->dev, |
1346 | "trying to disable local/stolen memory\n"); | |
1da177e4 LT |
1347 | return -EINVAL; |
1348 | } | |
1349 | ||
f011ae74 | 1350 | for (i = pg_start; i < (mem->page_count + pg_start); i++) |
c4ca8817 | 1351 | writel(agp_bridge->scratch_page, intel_private.gtt+i); |
f011ae74 | 1352 | |
c4ca8817 | 1353 | readl(intel_private.gtt+i-1); |
1da177e4 | 1354 | |
1da177e4 LT |
1355 | agp_bridge->driver->tlb_flush(mem); |
1356 | return 0; | |
1357 | } | |
1358 | ||
c41e0deb EA |
1359 | /* Return the aperture size by just checking the resource length. The effect |
1360 | * described in the spec of the MSAC registers is just changing of the | |
1361 | * resource size. | |
1362 | */ | |
1363 | static int intel_i9xx_fetch_size(void) | |
1da177e4 | 1364 | { |
1eaf122c | 1365 | int num_sizes = ARRAY_SIZE(intel_i830_sizes); |
c41e0deb EA |
1366 | int aper_size; /* size in megabytes */ |
1367 | int i; | |
1da177e4 | 1368 | |
c4ca8817 | 1369 | aper_size = pci_resource_len(intel_private.pcidev, 2) / MB(1); |
1da177e4 | 1370 | |
c41e0deb EA |
1371 | for (i = 0; i < num_sizes; i++) { |
1372 | if (aper_size == intel_i830_sizes[i].size) { | |
1373 | agp_bridge->current_size = intel_i830_sizes + i; | |
1374 | agp_bridge->previous_size = agp_bridge->current_size; | |
1375 | return aper_size; | |
1376 | } | |
1377 | } | |
1da177e4 | 1378 | |
c41e0deb | 1379 | return 0; |
1da177e4 LT |
1380 | } |
1381 | ||
1382 | /* The intel i915 automatically initializes the agp aperture during POST. | |
1383 | * Use the memory already set aside for in the GTT. | |
1384 | */ | |
1385 | static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) | |
1386 | { | |
1387 | int page_order; | |
1388 | struct aper_size_info_fixed *size; | |
1389 | int num_entries; | |
1390 | u32 temp, temp2; | |
4740622c | 1391 | int gtt_map_size = 256 * 1024; |
1da177e4 LT |
1392 | |
1393 | size = agp_bridge->current_size; | |
1394 | page_order = size->page_order; | |
1395 | num_entries = size->num_entries; | |
1396 | agp_bridge->gatt_table_real = NULL; | |
1397 | ||
c4ca8817 | 1398 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
f011ae74 | 1399 | pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2); |
1da177e4 | 1400 | |
4740622c ZW |
1401 | if (IS_G33) |
1402 | gtt_map_size = 1024 * 1024; /* 1M on G33 */ | |
1403 | intel_private.gtt = ioremap(temp2, gtt_map_size); | |
c4ca8817 | 1404 | if (!intel_private.gtt) |
1da177e4 LT |
1405 | return -ENOMEM; |
1406 | ||
fc619013 DW |
1407 | intel_private.gtt_total_size = gtt_map_size / 4; |
1408 | ||
1da177e4 LT |
1409 | temp &= 0xfff80000; |
1410 | ||
f011ae74 | 1411 | intel_private.registers = ioremap(temp, 128 * 4096); |
5bdbc7dc ST |
1412 | if (!intel_private.registers) { |
1413 | iounmap(intel_private.gtt); | |
1da177e4 | 1414 | return -ENOMEM; |
5bdbc7dc | 1415 | } |
1da177e4 | 1416 | |
c4ca8817 | 1417 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1da177e4 LT |
1418 | global_cache_flush(); /* FIXME: ? */ |
1419 | ||
1420 | /* we have to call this as early as possible after the MMIO base address is known */ | |
1421 | intel_i830_init_gtt_entries(); | |
1422 | ||
1423 | agp_bridge->gatt_table = NULL; | |
1424 | ||
1425 | agp_bridge->gatt_bus_addr = temp; | |
1426 | ||
1427 | return 0; | |
1428 | } | |
7d915a38 LT |
1429 | |
1430 | /* | |
1431 | * The i965 supports 36-bit physical addresses, but to keep | |
1432 | * the format of the GTT the same, the bits that don't fit | |
1433 | * in a 32-bit word are shifted down to bits 4..7. | |
1434 | * | |
1435 | * Gcc is smart enough to notice that "(addr >> 28) & 0xf0" | |
1436 | * is always zero on 32-bit architectures, so no need to make | |
1437 | * this conditional. | |
1438 | */ | |
1439 | static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, | |
2a4ceb6d | 1440 | dma_addr_t addr, int type) |
7d915a38 LT |
1441 | { |
1442 | /* Shift high bits down */ | |
1443 | addr |= (addr >> 28) & 0xf0; | |
1444 | ||
1445 | /* Type checking must be done elsewhere */ | |
1446 | return addr | bridge->driver->masks[type].mask; | |
1447 | } | |
1448 | ||
25ce77ab ZW |
1449 | static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) |
1450 | { | |
285aca8e EA |
1451 | u16 snb_gmch_ctl; |
1452 | ||
25ce77ab | 1453 | switch (agp_bridge->dev->device) { |
99d32bd5 | 1454 | case PCI_DEVICE_ID_INTEL_GM45_HB: |
107f517b | 1455 | case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB: |
25ce77ab ZW |
1456 | case PCI_DEVICE_ID_INTEL_Q45_HB: |
1457 | case PCI_DEVICE_ID_INTEL_G45_HB: | |
a50ccc6c | 1458 | case PCI_DEVICE_ID_INTEL_G41_HB: |
38d8a956 | 1459 | case PCI_DEVICE_ID_INTEL_B43_HB: |
107f517b AJ |
1460 | case PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB: |
1461 | case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB: | |
1462 | case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB: | |
3ff99164 | 1463 | case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB: |
285aca8e EA |
1464 | *gtt_offset = *gtt_size = MB(2); |
1465 | break; | |
1089e300 | 1466 | case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB: |
954bce50 | 1467 | case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB: |
285aca8e EA |
1468 | *gtt_offset = MB(2); |
1469 | ||
1470 | pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); | |
1471 | switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) { | |
1472 | default: | |
1473 | case SNB_GTT_SIZE_0M: | |
1474 | printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl); | |
1475 | *gtt_size = MB(0); | |
1476 | break; | |
1477 | case SNB_GTT_SIZE_1M: | |
1478 | *gtt_size = MB(1); | |
1479 | break; | |
1480 | case SNB_GTT_SIZE_2M: | |
1481 | *gtt_size = MB(2); | |
1482 | break; | |
1483 | } | |
25ce77ab ZW |
1484 | break; |
1485 | default: | |
1486 | *gtt_offset = *gtt_size = KB(512); | |
1487 | } | |
1488 | } | |
1489 | ||
65c25aad | 1490 | /* The intel i965 automatically initializes the agp aperture during POST. |
c41e0deb EA |
1491 | * Use the memory already set aside for in the GTT. |
1492 | */ | |
65c25aad EA |
1493 | static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) |
1494 | { | |
62c96b9d DA |
1495 | int page_order; |
1496 | struct aper_size_info_fixed *size; | |
1497 | int num_entries; | |
1498 | u32 temp; | |
1499 | int gtt_offset, gtt_size; | |
65c25aad | 1500 | |
62c96b9d DA |
1501 | size = agp_bridge->current_size; |
1502 | page_order = size->page_order; | |
1503 | num_entries = size->num_entries; | |
1504 | agp_bridge->gatt_table_real = NULL; | |
65c25aad | 1505 | |
62c96b9d | 1506 | pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp); |
65c25aad | 1507 | |
62c96b9d | 1508 | temp &= 0xfff00000; |
65c25aad | 1509 | |
25ce77ab | 1510 | intel_i965_get_gtt_range(>t_offset, >t_size); |
4e8b6e25 | 1511 | |
62c96b9d | 1512 | intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); |
65c25aad | 1513 | |
62c96b9d DA |
1514 | if (!intel_private.gtt) |
1515 | return -ENOMEM; | |
65c25aad | 1516 | |
fc619013 DW |
1517 | intel_private.gtt_total_size = gtt_size / 4; |
1518 | ||
62c96b9d DA |
1519 | intel_private.registers = ioremap(temp, 128 * 4096); |
1520 | if (!intel_private.registers) { | |
5bdbc7dc ST |
1521 | iounmap(intel_private.gtt); |
1522 | return -ENOMEM; | |
1523 | } | |
65c25aad | 1524 | |
62c96b9d DA |
1525 | temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000; |
1526 | global_cache_flush(); /* FIXME: ? */ | |
65c25aad | 1527 | |
62c96b9d DA |
1528 | /* we have to call this as early as possible after the MMIO base address is known */ |
1529 | intel_i830_init_gtt_entries(); | |
65c25aad | 1530 | |
62c96b9d | 1531 | agp_bridge->gatt_table = NULL; |
65c25aad | 1532 | |
62c96b9d | 1533 | agp_bridge->gatt_bus_addr = temp; |
65c25aad | 1534 | |
62c96b9d | 1535 | return 0; |
65c25aad EA |
1536 | } |
1537 | ||
1da177e4 LT |
1538 | |
1539 | static int intel_fetch_size(void) | |
1540 | { | |
1541 | int i; | |
1542 | u16 temp; | |
1543 | struct aper_size_info_16 *values; | |
1544 | ||
1545 | pci_read_config_word(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1546 | values = A_SIZE_16(agp_bridge->driver->aperture_sizes); | |
1547 | ||
1548 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1549 | if (temp == values[i].size_value) { | |
1550 | agp_bridge->previous_size = agp_bridge->current_size = (void *) (values + i); | |
1551 | agp_bridge->aperture_size_idx = i; | |
1552 | return values[i].size; | |
1553 | } | |
1554 | } | |
1555 | ||
1556 | return 0; | |
1557 | } | |
1558 | ||
1559 | static int __intel_8xx_fetch_size(u8 temp) | |
1560 | { | |
1561 | int i; | |
1562 | struct aper_size_info_8 *values; | |
1563 | ||
1564 | values = A_SIZE_8(agp_bridge->driver->aperture_sizes); | |
1565 | ||
1566 | for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) { | |
1567 | if (temp == values[i].size_value) { | |
1568 | agp_bridge->previous_size = | |
1569 | agp_bridge->current_size = (void *) (values + i); | |
1570 | agp_bridge->aperture_size_idx = i; | |
1571 | return values[i].size; | |
1572 | } | |
1573 | } | |
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | static int intel_8xx_fetch_size(void) | |
1578 | { | |
1579 | u8 temp; | |
1580 | ||
1581 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1582 | return __intel_8xx_fetch_size(temp); | |
1583 | } | |
1584 | ||
1585 | static int intel_815_fetch_size(void) | |
1586 | { | |
1587 | u8 temp; | |
1588 | ||
1589 | /* Intel 815 chipsets have a _weird_ APSIZE register with only | |
1590 | * one non-reserved bit, so mask the others out ... */ | |
1591 | pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp); | |
1592 | temp &= (1 << 3); | |
1593 | ||
1594 | return __intel_8xx_fetch_size(temp); | |
1595 | } | |
1596 | ||
1597 | static void intel_tlbflush(struct agp_memory *mem) | |
1598 | { | |
1599 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2200); | |
1600 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1601 | } | |
1602 | ||
1603 | ||
1604 | static void intel_8xx_tlbflush(struct agp_memory *mem) | |
1605 | { | |
1606 | u32 temp; | |
1607 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1608 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7)); | |
1609 | pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp); | |
1610 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7)); | |
1611 | } | |
1612 | ||
1613 | ||
1614 | static void intel_cleanup(void) | |
1615 | { | |
1616 | u16 temp; | |
1617 | struct aper_size_info_16 *previous_size; | |
1618 | ||
1619 | previous_size = A_SIZE_16(agp_bridge->previous_size); | |
1620 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1621 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1622 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1623 | } | |
1624 | ||
1625 | ||
1626 | static void intel_8xx_cleanup(void) | |
1627 | { | |
1628 | u16 temp; | |
1629 | struct aper_size_info_8 *previous_size; | |
1630 | ||
1631 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1632 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp); | |
1633 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9)); | |
1634 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value); | |
1635 | } | |
1636 | ||
1637 | ||
1638 | static int intel_configure(void) | |
1639 | { | |
1640 | u32 temp; | |
1641 | u16 temp2; | |
1642 | struct aper_size_info_16 *current_size; | |
1643 | ||
1644 | current_size = A_SIZE_16(agp_bridge->current_size); | |
1645 | ||
1646 | /* aperture size */ | |
1647 | pci_write_config_word(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1648 | ||
1649 | /* address to map to */ | |
1650 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1651 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1652 | ||
1653 | /* attbase - aperture base */ | |
1654 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1655 | ||
1656 | /* agpctrl */ | |
1657 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280); | |
1658 | ||
1659 | /* paccfg/nbxcfg */ | |
1660 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1661 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, | |
1662 | (temp2 & ~(1 << 10)) | (1 << 9)); | |
1663 | /* clear any possible error conditions */ | |
1664 | pci_write_config_byte(agp_bridge->dev, INTEL_ERRSTS + 1, 7); | |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int intel_815_configure(void) | |
1669 | { | |
1670 | u32 temp, addr; | |
1671 | u8 temp2; | |
1672 | struct aper_size_info_8 *current_size; | |
1673 | ||
1674 | /* attbase - aperture base */ | |
1675 | /* the Intel 815 chipset spec. says that bits 29-31 in the | |
1676 | * ATTBASE register are reserved -> try not to write them */ | |
1677 | if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) { | |
e3cf6951 | 1678 | dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high"); |
1da177e4 LT |
1679 | return -EINVAL; |
1680 | } | |
1681 | ||
1682 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1683 | ||
1684 | /* aperture size */ | |
1685 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1686 | current_size->size_value); | |
1687 | ||
1688 | /* address to map to */ | |
1689 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1690 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1691 | ||
1692 | pci_read_config_dword(agp_bridge->dev, INTEL_ATTBASE, &addr); | |
1693 | addr &= INTEL_815_ATTBASE_MASK; | |
1694 | addr |= agp_bridge->gatt_bus_addr; | |
1695 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, addr); | |
1696 | ||
1697 | /* agpctrl */ | |
1698 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1699 | ||
1700 | /* apcont */ | |
1701 | pci_read_config_byte(agp_bridge->dev, INTEL_815_APCONT, &temp2); | |
1702 | pci_write_config_byte(agp_bridge->dev, INTEL_815_APCONT, temp2 | (1 << 1)); | |
1703 | ||
1704 | /* clear any possible error conditions */ | |
1705 | /* Oddness : this chipset seems to have no ERRSTS register ! */ | |
1706 | return 0; | |
1707 | } | |
1708 | ||
1709 | static void intel_820_tlbflush(struct agp_memory *mem) | |
1710 | { | |
1711 | return; | |
1712 | } | |
1713 | ||
1714 | static void intel_820_cleanup(void) | |
1715 | { | |
1716 | u8 temp; | |
1717 | struct aper_size_info_8 *previous_size; | |
1718 | ||
1719 | previous_size = A_SIZE_8(agp_bridge->previous_size); | |
1720 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp); | |
1721 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, | |
1722 | temp & ~(1 << 1)); | |
1723 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, | |
1724 | previous_size->size_value); | |
1725 | } | |
1726 | ||
1727 | ||
1728 | static int intel_820_configure(void) | |
1729 | { | |
1730 | u32 temp; | |
1731 | u8 temp2; | |
1732 | struct aper_size_info_8 *current_size; | |
1733 | ||
1734 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1735 | ||
1736 | /* aperture size */ | |
1737 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1738 | ||
1739 | /* address to map to */ | |
1740 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1741 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1742 | ||
1743 | /* attbase - aperture base */ | |
1744 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1745 | ||
1746 | /* agpctrl */ | |
1747 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1748 | ||
1749 | /* global enable aperture access */ | |
1750 | /* This flag is not accessed through MCHCFG register as in */ | |
1751 | /* i850 chipset. */ | |
1752 | pci_read_config_byte(agp_bridge->dev, INTEL_I820_RDCR, &temp2); | |
1753 | pci_write_config_byte(agp_bridge->dev, INTEL_I820_RDCR, temp2 | (1 << 1)); | |
1754 | /* clear any possible AGP-related error conditions */ | |
1755 | pci_write_config_word(agp_bridge->dev, INTEL_I820_ERRSTS, 0x001c); | |
1756 | return 0; | |
1757 | } | |
1758 | ||
1759 | static int intel_840_configure(void) | |
1760 | { | |
1761 | u32 temp; | |
1762 | u16 temp2; | |
1763 | struct aper_size_info_8 *current_size; | |
1764 | ||
1765 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1766 | ||
1767 | /* aperture size */ | |
1768 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1769 | ||
1770 | /* address to map to */ | |
1771 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1772 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1773 | ||
1774 | /* attbase - aperture base */ | |
1775 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1776 | ||
1777 | /* agpctrl */ | |
1778 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1779 | ||
1780 | /* mcgcfg */ | |
1781 | pci_read_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, &temp2); | |
1782 | pci_write_config_word(agp_bridge->dev, INTEL_I840_MCHCFG, temp2 | (1 << 9)); | |
1783 | /* clear any possible error conditions */ | |
1784 | pci_write_config_word(agp_bridge->dev, INTEL_I840_ERRSTS, 0xc000); | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | static int intel_845_configure(void) | |
1789 | { | |
1790 | u32 temp; | |
1791 | u8 temp2; | |
1792 | struct aper_size_info_8 *current_size; | |
1793 | ||
1794 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1795 | ||
1796 | /* aperture size */ | |
1797 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1798 | ||
b0825488 MG |
1799 | if (agp_bridge->apbase_config != 0) { |
1800 | pci_write_config_dword(agp_bridge->dev, AGP_APBASE, | |
1801 | agp_bridge->apbase_config); | |
1802 | } else { | |
1803 | /* address to map to */ | |
1804 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1805 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1806 | agp_bridge->apbase_config = temp; | |
1807 | } | |
1da177e4 LT |
1808 | |
1809 | /* attbase - aperture base */ | |
1810 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1811 | ||
1812 | /* agpctrl */ | |
1813 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1814 | ||
1815 | /* agpm */ | |
1816 | pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2); | |
1817 | pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1)); | |
1818 | /* clear any possible error conditions */ | |
1819 | pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c); | |
1820 | return 0; | |
1821 | } | |
1822 | ||
1823 | static int intel_850_configure(void) | |
1824 | { | |
1825 | u32 temp; | |
1826 | u16 temp2; | |
1827 | struct aper_size_info_8 *current_size; | |
1828 | ||
1829 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1830 | ||
1831 | /* aperture size */ | |
1832 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1833 | ||
1834 | /* address to map to */ | |
1835 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1836 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1837 | ||
1838 | /* attbase - aperture base */ | |
1839 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1840 | ||
1841 | /* agpctrl */ | |
1842 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1843 | ||
1844 | /* mcgcfg */ | |
1845 | pci_read_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, &temp2); | |
1846 | pci_write_config_word(agp_bridge->dev, INTEL_I850_MCHCFG, temp2 | (1 << 9)); | |
1847 | /* clear any possible AGP-related error conditions */ | |
1848 | pci_write_config_word(agp_bridge->dev, INTEL_I850_ERRSTS, 0x001c); | |
1849 | return 0; | |
1850 | } | |
1851 | ||
1852 | static int intel_860_configure(void) | |
1853 | { | |
1854 | u32 temp; | |
1855 | u16 temp2; | |
1856 | struct aper_size_info_8 *current_size; | |
1857 | ||
1858 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1859 | ||
1860 | /* aperture size */ | |
1861 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1862 | ||
1863 | /* address to map to */ | |
1864 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1865 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1866 | ||
1867 | /* attbase - aperture base */ | |
1868 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1869 | ||
1870 | /* agpctrl */ | |
1871 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1872 | ||
1873 | /* mcgcfg */ | |
1874 | pci_read_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, &temp2); | |
1875 | pci_write_config_word(agp_bridge->dev, INTEL_I860_MCHCFG, temp2 | (1 << 9)); | |
1876 | /* clear any possible AGP-related error conditions */ | |
1877 | pci_write_config_word(agp_bridge->dev, INTEL_I860_ERRSTS, 0xf700); | |
1878 | return 0; | |
1879 | } | |
1880 | ||
1881 | static int intel_830mp_configure(void) | |
1882 | { | |
1883 | u32 temp; | |
1884 | u16 temp2; | |
1885 | struct aper_size_info_8 *current_size; | |
1886 | ||
1887 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1888 | ||
1889 | /* aperture size */ | |
1890 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1891 | ||
1892 | /* address to map to */ | |
1893 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1894 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1895 | ||
1896 | /* attbase - aperture base */ | |
1897 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1898 | ||
1899 | /* agpctrl */ | |
1900 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1901 | ||
1902 | /* gmch */ | |
1903 | pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp2); | |
1904 | pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp2 | (1 << 9)); | |
1905 | /* clear any possible AGP-related error conditions */ | |
1906 | pci_write_config_word(agp_bridge->dev, INTEL_I830_ERRSTS, 0x1c); | |
1907 | return 0; | |
1908 | } | |
1909 | ||
1910 | static int intel_7505_configure(void) | |
1911 | { | |
1912 | u32 temp; | |
1913 | u16 temp2; | |
1914 | struct aper_size_info_8 *current_size; | |
1915 | ||
1916 | current_size = A_SIZE_8(agp_bridge->current_size); | |
1917 | ||
1918 | /* aperture size */ | |
1919 | pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value); | |
1920 | ||
1921 | /* address to map to */ | |
1922 | pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp); | |
1923 | agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK); | |
1924 | ||
1925 | /* attbase - aperture base */ | |
1926 | pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr); | |
1927 | ||
1928 | /* agpctrl */ | |
1929 | pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000); | |
1930 | ||
1931 | /* mchcfg */ | |
1932 | pci_read_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, &temp2); | |
1933 | pci_write_config_word(agp_bridge->dev, INTEL_I7505_MCHCFG, temp2 | (1 << 9)); | |
1934 | ||
1935 | return 0; | |
1936 | } | |
1937 | ||
1938 | /* Setup function */ | |
e5524f35 | 1939 | static const struct gatt_mask intel_generic_masks[] = |
1da177e4 LT |
1940 | { |
1941 | {.mask = 0x00000017, .type = 0} | |
1942 | }; | |
1943 | ||
e5524f35 | 1944 | static const struct aper_size_info_8 intel_815_sizes[2] = |
1da177e4 LT |
1945 | { |
1946 | {64, 16384, 4, 0}, | |
1947 | {32, 8192, 3, 8}, | |
1948 | }; | |
1949 | ||
e5524f35 | 1950 | static const struct aper_size_info_8 intel_8xx_sizes[7] = |
1da177e4 LT |
1951 | { |
1952 | {256, 65536, 6, 0}, | |
1953 | {128, 32768, 5, 32}, | |
1954 | {64, 16384, 4, 48}, | |
1955 | {32, 8192, 3, 56}, | |
1956 | {16, 4096, 2, 60}, | |
1957 | {8, 2048, 1, 62}, | |
1958 | {4, 1024, 0, 63} | |
1959 | }; | |
1960 | ||
e5524f35 | 1961 | static const struct aper_size_info_16 intel_generic_sizes[7] = |
1da177e4 LT |
1962 | { |
1963 | {256, 65536, 6, 0}, | |
1964 | {128, 32768, 5, 32}, | |
1965 | {64, 16384, 4, 48}, | |
1966 | {32, 8192, 3, 56}, | |
1967 | {16, 4096, 2, 60}, | |
1968 | {8, 2048, 1, 62}, | |
1969 | {4, 1024, 0, 63} | |
1970 | }; | |
1971 | ||
e5524f35 | 1972 | static const struct aper_size_info_8 intel_830mp_sizes[4] = |
1da177e4 LT |
1973 | { |
1974 | {256, 65536, 6, 0}, | |
1975 | {128, 32768, 5, 32}, | |
1976 | {64, 16384, 4, 48}, | |
1977 | {32, 8192, 3, 56} | |
1978 | }; | |
1979 | ||
e5524f35 | 1980 | static const struct agp_bridge_driver intel_generic_driver = { |
1da177e4 LT |
1981 | .owner = THIS_MODULE, |
1982 | .aperture_sizes = intel_generic_sizes, | |
1983 | .size_type = U16_APER_SIZE, | |
1984 | .num_aperture_sizes = 7, | |
1985 | .configure = intel_configure, | |
1986 | .fetch_size = intel_fetch_size, | |
1987 | .cleanup = intel_cleanup, | |
1988 | .tlb_flush = intel_tlbflush, | |
1989 | .mask_memory = agp_generic_mask_memory, | |
1990 | .masks = intel_generic_masks, | |
1991 | .agp_enable = agp_generic_enable, | |
1992 | .cache_flush = global_cache_flush, | |
1993 | .create_gatt_table = agp_generic_create_gatt_table, | |
1994 | .free_gatt_table = agp_generic_free_gatt_table, | |
1995 | .insert_memory = agp_generic_insert_memory, | |
1996 | .remove_memory = agp_generic_remove_memory, | |
1997 | .alloc_by_type = agp_generic_alloc_by_type, | |
1998 | .free_by_type = agp_generic_free_by_type, | |
1999 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2000 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2001 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2002 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2003 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2004 | }; |
2005 | ||
e5524f35 | 2006 | static const struct agp_bridge_driver intel_810_driver = { |
1da177e4 LT |
2007 | .owner = THIS_MODULE, |
2008 | .aperture_sizes = intel_i810_sizes, | |
2009 | .size_type = FIXED_APER_SIZE, | |
2010 | .num_aperture_sizes = 2, | |
c7258012 | 2011 | .needs_scratch_page = true, |
1da177e4 LT |
2012 | .configure = intel_i810_configure, |
2013 | .fetch_size = intel_i810_fetch_size, | |
2014 | .cleanup = intel_i810_cleanup, | |
2015 | .tlb_flush = intel_i810_tlbflush, | |
2016 | .mask_memory = intel_i810_mask_memory, | |
2017 | .masks = intel_i810_masks, | |
2018 | .agp_enable = intel_i810_agp_enable, | |
2019 | .cache_flush = global_cache_flush, | |
2020 | .create_gatt_table = agp_generic_create_gatt_table, | |
2021 | .free_gatt_table = agp_generic_free_gatt_table, | |
2022 | .insert_memory = intel_i810_insert_entries, | |
2023 | .remove_memory = intel_i810_remove_entries, | |
2024 | .alloc_by_type = intel_i810_alloc_by_type, | |
2025 | .free_by_type = intel_i810_free_by_type, | |
2026 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2027 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2028 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2029 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2030 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2031 | }; |
2032 | ||
e5524f35 | 2033 | static const struct agp_bridge_driver intel_815_driver = { |
1da177e4 LT |
2034 | .owner = THIS_MODULE, |
2035 | .aperture_sizes = intel_815_sizes, | |
2036 | .size_type = U8_APER_SIZE, | |
2037 | .num_aperture_sizes = 2, | |
2038 | .configure = intel_815_configure, | |
2039 | .fetch_size = intel_815_fetch_size, | |
2040 | .cleanup = intel_8xx_cleanup, | |
2041 | .tlb_flush = intel_8xx_tlbflush, | |
2042 | .mask_memory = agp_generic_mask_memory, | |
2043 | .masks = intel_generic_masks, | |
2044 | .agp_enable = agp_generic_enable, | |
2045 | .cache_flush = global_cache_flush, | |
2046 | .create_gatt_table = agp_generic_create_gatt_table, | |
2047 | .free_gatt_table = agp_generic_free_gatt_table, | |
2048 | .insert_memory = agp_generic_insert_memory, | |
2049 | .remove_memory = agp_generic_remove_memory, | |
2050 | .alloc_by_type = agp_generic_alloc_by_type, | |
2051 | .free_by_type = agp_generic_free_by_type, | |
2052 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2053 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2054 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2055 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2056 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2057 | }; |
2058 | ||
e5524f35 | 2059 | static const struct agp_bridge_driver intel_830_driver = { |
1da177e4 LT |
2060 | .owner = THIS_MODULE, |
2061 | .aperture_sizes = intel_i830_sizes, | |
2062 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 2063 | .num_aperture_sizes = 4, |
c7258012 | 2064 | .needs_scratch_page = true, |
1da177e4 LT |
2065 | .configure = intel_i830_configure, |
2066 | .fetch_size = intel_i830_fetch_size, | |
2067 | .cleanup = intel_i830_cleanup, | |
2068 | .tlb_flush = intel_i810_tlbflush, | |
2069 | .mask_memory = intel_i810_mask_memory, | |
2070 | .masks = intel_i810_masks, | |
2071 | .agp_enable = intel_i810_agp_enable, | |
2072 | .cache_flush = global_cache_flush, | |
2073 | .create_gatt_table = intel_i830_create_gatt_table, | |
2074 | .free_gatt_table = intel_i830_free_gatt_table, | |
2075 | .insert_memory = intel_i830_insert_entries, | |
2076 | .remove_memory = intel_i830_remove_entries, | |
2077 | .alloc_by_type = intel_i830_alloc_by_type, | |
2078 | .free_by_type = intel_i810_free_by_type, | |
2079 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2080 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2081 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2082 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2083 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
2162e6a2 | 2084 | .chipset_flush = intel_i830_chipset_flush, |
1da177e4 LT |
2085 | }; |
2086 | ||
e5524f35 | 2087 | static const struct agp_bridge_driver intel_820_driver = { |
1da177e4 LT |
2088 | .owner = THIS_MODULE, |
2089 | .aperture_sizes = intel_8xx_sizes, | |
2090 | .size_type = U8_APER_SIZE, | |
2091 | .num_aperture_sizes = 7, | |
2092 | .configure = intel_820_configure, | |
2093 | .fetch_size = intel_8xx_fetch_size, | |
2094 | .cleanup = intel_820_cleanup, | |
2095 | .tlb_flush = intel_820_tlbflush, | |
2096 | .mask_memory = agp_generic_mask_memory, | |
2097 | .masks = intel_generic_masks, | |
2098 | .agp_enable = agp_generic_enable, | |
2099 | .cache_flush = global_cache_flush, | |
2100 | .create_gatt_table = agp_generic_create_gatt_table, | |
2101 | .free_gatt_table = agp_generic_free_gatt_table, | |
2102 | .insert_memory = agp_generic_insert_memory, | |
2103 | .remove_memory = agp_generic_remove_memory, | |
2104 | .alloc_by_type = agp_generic_alloc_by_type, | |
2105 | .free_by_type = agp_generic_free_by_type, | |
2106 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2107 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2108 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2109 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2110 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2111 | }; |
2112 | ||
e5524f35 | 2113 | static const struct agp_bridge_driver intel_830mp_driver = { |
1da177e4 LT |
2114 | .owner = THIS_MODULE, |
2115 | .aperture_sizes = intel_830mp_sizes, | |
2116 | .size_type = U8_APER_SIZE, | |
2117 | .num_aperture_sizes = 4, | |
2118 | .configure = intel_830mp_configure, | |
2119 | .fetch_size = intel_8xx_fetch_size, | |
2120 | .cleanup = intel_8xx_cleanup, | |
2121 | .tlb_flush = intel_8xx_tlbflush, | |
2122 | .mask_memory = agp_generic_mask_memory, | |
2123 | .masks = intel_generic_masks, | |
2124 | .agp_enable = agp_generic_enable, | |
2125 | .cache_flush = global_cache_flush, | |
2126 | .create_gatt_table = agp_generic_create_gatt_table, | |
2127 | .free_gatt_table = agp_generic_free_gatt_table, | |
2128 | .insert_memory = agp_generic_insert_memory, | |
2129 | .remove_memory = agp_generic_remove_memory, | |
2130 | .alloc_by_type = agp_generic_alloc_by_type, | |
2131 | .free_by_type = agp_generic_free_by_type, | |
2132 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2133 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2134 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2135 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2136 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2137 | }; |
2138 | ||
e5524f35 | 2139 | static const struct agp_bridge_driver intel_840_driver = { |
1da177e4 LT |
2140 | .owner = THIS_MODULE, |
2141 | .aperture_sizes = intel_8xx_sizes, | |
2142 | .size_type = U8_APER_SIZE, | |
2143 | .num_aperture_sizes = 7, | |
2144 | .configure = intel_840_configure, | |
2145 | .fetch_size = intel_8xx_fetch_size, | |
2146 | .cleanup = intel_8xx_cleanup, | |
2147 | .tlb_flush = intel_8xx_tlbflush, | |
2148 | .mask_memory = agp_generic_mask_memory, | |
2149 | .masks = intel_generic_masks, | |
2150 | .agp_enable = agp_generic_enable, | |
2151 | .cache_flush = global_cache_flush, | |
2152 | .create_gatt_table = agp_generic_create_gatt_table, | |
2153 | .free_gatt_table = agp_generic_free_gatt_table, | |
2154 | .insert_memory = agp_generic_insert_memory, | |
2155 | .remove_memory = agp_generic_remove_memory, | |
2156 | .alloc_by_type = agp_generic_alloc_by_type, | |
2157 | .free_by_type = agp_generic_free_by_type, | |
2158 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2159 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2160 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2161 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2162 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2163 | }; |
2164 | ||
e5524f35 | 2165 | static const struct agp_bridge_driver intel_845_driver = { |
1da177e4 LT |
2166 | .owner = THIS_MODULE, |
2167 | .aperture_sizes = intel_8xx_sizes, | |
2168 | .size_type = U8_APER_SIZE, | |
2169 | .num_aperture_sizes = 7, | |
2170 | .configure = intel_845_configure, | |
2171 | .fetch_size = intel_8xx_fetch_size, | |
2172 | .cleanup = intel_8xx_cleanup, | |
2173 | .tlb_flush = intel_8xx_tlbflush, | |
2174 | .mask_memory = agp_generic_mask_memory, | |
2175 | .masks = intel_generic_masks, | |
2176 | .agp_enable = agp_generic_enable, | |
2177 | .cache_flush = global_cache_flush, | |
2178 | .create_gatt_table = agp_generic_create_gatt_table, | |
2179 | .free_gatt_table = agp_generic_free_gatt_table, | |
2180 | .insert_memory = agp_generic_insert_memory, | |
2181 | .remove_memory = agp_generic_remove_memory, | |
2182 | .alloc_by_type = agp_generic_alloc_by_type, | |
2183 | .free_by_type = agp_generic_free_by_type, | |
2184 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2185 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2186 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2187 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2188 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2189 | }; |
2190 | ||
e5524f35 | 2191 | static const struct agp_bridge_driver intel_850_driver = { |
1da177e4 LT |
2192 | .owner = THIS_MODULE, |
2193 | .aperture_sizes = intel_8xx_sizes, | |
2194 | .size_type = U8_APER_SIZE, | |
2195 | .num_aperture_sizes = 7, | |
2196 | .configure = intel_850_configure, | |
2197 | .fetch_size = intel_8xx_fetch_size, | |
2198 | .cleanup = intel_8xx_cleanup, | |
2199 | .tlb_flush = intel_8xx_tlbflush, | |
2200 | .mask_memory = agp_generic_mask_memory, | |
2201 | .masks = intel_generic_masks, | |
2202 | .agp_enable = agp_generic_enable, | |
2203 | .cache_flush = global_cache_flush, | |
2204 | .create_gatt_table = agp_generic_create_gatt_table, | |
2205 | .free_gatt_table = agp_generic_free_gatt_table, | |
2206 | .insert_memory = agp_generic_insert_memory, | |
2207 | .remove_memory = agp_generic_remove_memory, | |
2208 | .alloc_by_type = agp_generic_alloc_by_type, | |
2209 | .free_by_type = agp_generic_free_by_type, | |
2210 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2211 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2212 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2213 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2214 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2215 | }; |
2216 | ||
e5524f35 | 2217 | static const struct agp_bridge_driver intel_860_driver = { |
1da177e4 LT |
2218 | .owner = THIS_MODULE, |
2219 | .aperture_sizes = intel_8xx_sizes, | |
2220 | .size_type = U8_APER_SIZE, | |
2221 | .num_aperture_sizes = 7, | |
2222 | .configure = intel_860_configure, | |
2223 | .fetch_size = intel_8xx_fetch_size, | |
2224 | .cleanup = intel_8xx_cleanup, | |
2225 | .tlb_flush = intel_8xx_tlbflush, | |
2226 | .mask_memory = agp_generic_mask_memory, | |
2227 | .masks = intel_generic_masks, | |
2228 | .agp_enable = agp_generic_enable, | |
2229 | .cache_flush = global_cache_flush, | |
2230 | .create_gatt_table = agp_generic_create_gatt_table, | |
2231 | .free_gatt_table = agp_generic_free_gatt_table, | |
2232 | .insert_memory = agp_generic_insert_memory, | |
2233 | .remove_memory = agp_generic_remove_memory, | |
2234 | .alloc_by_type = agp_generic_alloc_by_type, | |
2235 | .free_by_type = agp_generic_free_by_type, | |
2236 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2237 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2238 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2239 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2240 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2241 | }; |
2242 | ||
e5524f35 | 2243 | static const struct agp_bridge_driver intel_915_driver = { |
1da177e4 LT |
2244 | .owner = THIS_MODULE, |
2245 | .aperture_sizes = intel_i830_sizes, | |
2246 | .size_type = FIXED_APER_SIZE, | |
c14635eb | 2247 | .num_aperture_sizes = 4, |
c7258012 | 2248 | .needs_scratch_page = true, |
1da177e4 | 2249 | .configure = intel_i915_configure, |
c41e0deb | 2250 | .fetch_size = intel_i9xx_fetch_size, |
1da177e4 LT |
2251 | .cleanup = intel_i915_cleanup, |
2252 | .tlb_flush = intel_i810_tlbflush, | |
2253 | .mask_memory = intel_i810_mask_memory, | |
2254 | .masks = intel_i810_masks, | |
2255 | .agp_enable = intel_i810_agp_enable, | |
2256 | .cache_flush = global_cache_flush, | |
2257 | .create_gatt_table = intel_i915_create_gatt_table, | |
2258 | .free_gatt_table = intel_i830_free_gatt_table, | |
2259 | .insert_memory = intel_i915_insert_entries, | |
2260 | .remove_memory = intel_i915_remove_entries, | |
2261 | .alloc_by_type = intel_i830_alloc_by_type, | |
2262 | .free_by_type = intel_i810_free_by_type, | |
2263 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2264 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2265 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2266 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2267 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2268 | .chipset_flush = intel_i915_chipset_flush, |
17661681 ZW |
2269 | #ifdef USE_PCI_DMA_API |
2270 | .agp_map_page = intel_agp_map_page, | |
2271 | .agp_unmap_page = intel_agp_unmap_page, | |
2272 | .agp_map_memory = intel_agp_map_memory, | |
2273 | .agp_unmap_memory = intel_agp_unmap_memory, | |
2274 | #endif | |
1da177e4 LT |
2275 | }; |
2276 | ||
e5524f35 | 2277 | static const struct agp_bridge_driver intel_i965_driver = { |
62c96b9d DA |
2278 | .owner = THIS_MODULE, |
2279 | .aperture_sizes = intel_i830_sizes, | |
2280 | .size_type = FIXED_APER_SIZE, | |
2281 | .num_aperture_sizes = 4, | |
2282 | .needs_scratch_page = true, | |
0e480e5f DA |
2283 | .configure = intel_i915_configure, |
2284 | .fetch_size = intel_i9xx_fetch_size, | |
62c96b9d DA |
2285 | .cleanup = intel_i915_cleanup, |
2286 | .tlb_flush = intel_i810_tlbflush, | |
2287 | .mask_memory = intel_i965_mask_memory, | |
2288 | .masks = intel_i810_masks, | |
2289 | .agp_enable = intel_i810_agp_enable, | |
2290 | .cache_flush = global_cache_flush, | |
2291 | .create_gatt_table = intel_i965_create_gatt_table, | |
2292 | .free_gatt_table = intel_i830_free_gatt_table, | |
2293 | .insert_memory = intel_i915_insert_entries, | |
2294 | .remove_memory = intel_i915_remove_entries, | |
2295 | .alloc_by_type = intel_i830_alloc_by_type, | |
2296 | .free_by_type = intel_i810_free_by_type, | |
2297 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2298 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2299 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2300 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2301 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2302 | .chipset_flush = intel_i915_chipset_flush, |
17661681 ZW |
2303 | #ifdef USE_PCI_DMA_API |
2304 | .agp_map_page = intel_agp_map_page, | |
2305 | .agp_unmap_page = intel_agp_unmap_page, | |
2306 | .agp_map_memory = intel_agp_map_memory, | |
2307 | .agp_unmap_memory = intel_agp_unmap_memory, | |
2308 | #endif | |
65c25aad | 2309 | }; |
1da177e4 | 2310 | |
e5524f35 | 2311 | static const struct agp_bridge_driver intel_7505_driver = { |
1da177e4 LT |
2312 | .owner = THIS_MODULE, |
2313 | .aperture_sizes = intel_8xx_sizes, | |
2314 | .size_type = U8_APER_SIZE, | |
2315 | .num_aperture_sizes = 7, | |
2316 | .configure = intel_7505_configure, | |
2317 | .fetch_size = intel_8xx_fetch_size, | |
2318 | .cleanup = intel_8xx_cleanup, | |
2319 | .tlb_flush = intel_8xx_tlbflush, | |
2320 | .mask_memory = agp_generic_mask_memory, | |
2321 | .masks = intel_generic_masks, | |
2322 | .agp_enable = agp_generic_enable, | |
2323 | .cache_flush = global_cache_flush, | |
2324 | .create_gatt_table = agp_generic_create_gatt_table, | |
2325 | .free_gatt_table = agp_generic_free_gatt_table, | |
2326 | .insert_memory = agp_generic_insert_memory, | |
2327 | .remove_memory = agp_generic_remove_memory, | |
2328 | .alloc_by_type = agp_generic_alloc_by_type, | |
2329 | .free_by_type = agp_generic_free_by_type, | |
2330 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2331 | .agp_alloc_pages = agp_generic_alloc_pages, |
1da177e4 | 2332 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2333 | .agp_destroy_pages = agp_generic_destroy_pages, |
a030ce44 | 2334 | .agp_type_to_mask_type = agp_generic_type_to_mask_type, |
1da177e4 LT |
2335 | }; |
2336 | ||
874808c6 | 2337 | static const struct agp_bridge_driver intel_g33_driver = { |
62c96b9d DA |
2338 | .owner = THIS_MODULE, |
2339 | .aperture_sizes = intel_i830_sizes, | |
2340 | .size_type = FIXED_APER_SIZE, | |
2341 | .num_aperture_sizes = 4, | |
2342 | .needs_scratch_page = true, | |
2343 | .configure = intel_i915_configure, | |
2344 | .fetch_size = intel_i9xx_fetch_size, | |
2345 | .cleanup = intel_i915_cleanup, | |
2346 | .tlb_flush = intel_i810_tlbflush, | |
2347 | .mask_memory = intel_i965_mask_memory, | |
2348 | .masks = intel_i810_masks, | |
2349 | .agp_enable = intel_i810_agp_enable, | |
2350 | .cache_flush = global_cache_flush, | |
2351 | .create_gatt_table = intel_i915_create_gatt_table, | |
2352 | .free_gatt_table = intel_i830_free_gatt_table, | |
2353 | .insert_memory = intel_i915_insert_entries, | |
2354 | .remove_memory = intel_i915_remove_entries, | |
2355 | .alloc_by_type = intel_i830_alloc_by_type, | |
2356 | .free_by_type = intel_i810_free_by_type, | |
2357 | .agp_alloc_page = agp_generic_alloc_page, | |
37acee10 | 2358 | .agp_alloc_pages = agp_generic_alloc_pages, |
62c96b9d | 2359 | .agp_destroy_page = agp_generic_destroy_page, |
bd07928c | 2360 | .agp_destroy_pages = agp_generic_destroy_pages, |
62c96b9d | 2361 | .agp_type_to_mask_type = intel_i830_type_to_mask_type, |
6c00a61e | 2362 | .chipset_flush = intel_i915_chipset_flush, |
17661681 ZW |
2363 | #ifdef USE_PCI_DMA_API |
2364 | .agp_map_page = intel_agp_map_page, | |
2365 | .agp_unmap_page = intel_agp_unmap_page, | |
2366 | .agp_map_memory = intel_agp_map_memory, | |
2367 | .agp_unmap_memory = intel_agp_unmap_memory, | |
2368 | #endif | |
874808c6 | 2369 | }; |
1da177e4 | 2370 | |
9614ece1 | 2371 | static int find_gmch(u16 device) |
1da177e4 | 2372 | { |
9614ece1 | 2373 | struct pci_dev *gmch_device; |
1da177e4 | 2374 | |
9614ece1 WZ |
2375 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); |
2376 | if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { | |
2377 | gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, | |
f011ae74 | 2378 | device, gmch_device); |
1da177e4 LT |
2379 | } |
2380 | ||
9614ece1 | 2381 | if (!gmch_device) |
1da177e4 LT |
2382 | return 0; |
2383 | ||
9614ece1 | 2384 | intel_private.pcidev = gmch_device; |
1da177e4 LT |
2385 | return 1; |
2386 | } | |
2387 | ||
9614ece1 WZ |
2388 | /* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of |
2389 | * driver and gmch_driver must be non-null, and find_gmch will determine | |
2390 | * which one should be used if a gmch_chip_id is present. | |
2391 | */ | |
2392 | static const struct intel_driver_description { | |
2393 | unsigned int chip_id; | |
2394 | unsigned int gmch_chip_id; | |
88889851 | 2395 | unsigned int multi_gmch_chip; /* if we have more gfx chip type on this HB. */ |
9614ece1 WZ |
2396 | char *name; |
2397 | const struct agp_bridge_driver *driver; | |
2398 | const struct agp_bridge_driver *gmch_driver; | |
2399 | } intel_agp_chipsets[] = { | |
88889851 WZ |
2400 | { PCI_DEVICE_ID_INTEL_82443LX_0, 0, 0, "440LX", &intel_generic_driver, NULL }, |
2401 | { PCI_DEVICE_ID_INTEL_82443BX_0, 0, 0, "440BX", &intel_generic_driver, NULL }, | |
2402 | { PCI_DEVICE_ID_INTEL_82443GX_0, 0, 0, "440GX", &intel_generic_driver, NULL }, | |
2403 | { PCI_DEVICE_ID_INTEL_82810_MC1, PCI_DEVICE_ID_INTEL_82810_IG1, 0, "i810", | |
9614ece1 | 2404 | NULL, &intel_810_driver }, |
88889851 | 2405 | { PCI_DEVICE_ID_INTEL_82810_MC3, PCI_DEVICE_ID_INTEL_82810_IG3, 0, "i810", |
9614ece1 | 2406 | NULL, &intel_810_driver }, |
88889851 | 2407 | { PCI_DEVICE_ID_INTEL_82810E_MC, PCI_DEVICE_ID_INTEL_82810E_IG, 0, "i810", |
9614ece1 | 2408 | NULL, &intel_810_driver }, |
88889851 WZ |
2409 | { PCI_DEVICE_ID_INTEL_82815_MC, PCI_DEVICE_ID_INTEL_82815_CGC, 0, "i815", |
2410 | &intel_815_driver, &intel_810_driver }, | |
2411 | { PCI_DEVICE_ID_INTEL_82820_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2412 | { PCI_DEVICE_ID_INTEL_82820_UP_HB, 0, 0, "i820", &intel_820_driver, NULL }, | |
2413 | { PCI_DEVICE_ID_INTEL_82830_HB, PCI_DEVICE_ID_INTEL_82830_CGC, 0, "830M", | |
9614ece1 | 2414 | &intel_830mp_driver, &intel_830_driver }, |
88889851 WZ |
2415 | { PCI_DEVICE_ID_INTEL_82840_HB, 0, 0, "i840", &intel_840_driver, NULL }, |
2416 | { PCI_DEVICE_ID_INTEL_82845_HB, 0, 0, "845G", &intel_845_driver, NULL }, | |
2417 | { PCI_DEVICE_ID_INTEL_82845G_HB, PCI_DEVICE_ID_INTEL_82845G_IG, 0, "830M", | |
9614ece1 | 2418 | &intel_845_driver, &intel_830_driver }, |
88889851 | 2419 | { PCI_DEVICE_ID_INTEL_82850_HB, 0, 0, "i850", &intel_850_driver, NULL }, |
347486bb SH |
2420 | { PCI_DEVICE_ID_INTEL_82854_HB, PCI_DEVICE_ID_INTEL_82854_IG, 0, "854", |
2421 | &intel_845_driver, &intel_830_driver }, | |
88889851 WZ |
2422 | { PCI_DEVICE_ID_INTEL_82855PM_HB, 0, 0, "855PM", &intel_845_driver, NULL }, |
2423 | { PCI_DEVICE_ID_INTEL_82855GM_HB, PCI_DEVICE_ID_INTEL_82855GM_IG, 0, "855GM", | |
9614ece1 | 2424 | &intel_845_driver, &intel_830_driver }, |
88889851 WZ |
2425 | { PCI_DEVICE_ID_INTEL_82860_HB, 0, 0, "i860", &intel_860_driver, NULL }, |
2426 | { PCI_DEVICE_ID_INTEL_82865_HB, PCI_DEVICE_ID_INTEL_82865_IG, 0, "865", | |
9614ece1 | 2427 | &intel_845_driver, &intel_830_driver }, |
88889851 | 2428 | { PCI_DEVICE_ID_INTEL_82875_HB, 0, 0, "i875", &intel_845_driver, NULL }, |
e914a36a CM |
2429 | { PCI_DEVICE_ID_INTEL_E7221_HB, PCI_DEVICE_ID_INTEL_E7221_IG, 0, "E7221 (i915)", |
2430 | NULL, &intel_915_driver }, | |
88889851 | 2431 | { PCI_DEVICE_ID_INTEL_82915G_HB, PCI_DEVICE_ID_INTEL_82915G_IG, 0, "915G", |
47d46379 | 2432 | NULL, &intel_915_driver }, |
88889851 | 2433 | { PCI_DEVICE_ID_INTEL_82915GM_HB, PCI_DEVICE_ID_INTEL_82915GM_IG, 0, "915GM", |
47d46379 | 2434 | NULL, &intel_915_driver }, |
88889851 | 2435 | { PCI_DEVICE_ID_INTEL_82945G_HB, PCI_DEVICE_ID_INTEL_82945G_IG, 0, "945G", |
47d46379 | 2436 | NULL, &intel_915_driver }, |
dde47876 | 2437 | { PCI_DEVICE_ID_INTEL_82945GM_HB, PCI_DEVICE_ID_INTEL_82945GM_IG, 0, "945GM", |
47d46379 | 2438 | NULL, &intel_915_driver }, |
dde47876 | 2439 | { PCI_DEVICE_ID_INTEL_82945GME_HB, PCI_DEVICE_ID_INTEL_82945GME_IG, 0, "945GME", |
47d46379 | 2440 | NULL, &intel_915_driver }, |
88889851 | 2441 | { PCI_DEVICE_ID_INTEL_82946GZ_HB, PCI_DEVICE_ID_INTEL_82946GZ_IG, 0, "946GZ", |
47d46379 | 2442 | NULL, &intel_i965_driver }, |
9119f85a | 2443 | { PCI_DEVICE_ID_INTEL_82G35_HB, PCI_DEVICE_ID_INTEL_82G35_IG, 0, "G35", |
47d46379 | 2444 | NULL, &intel_i965_driver }, |
88889851 | 2445 | { PCI_DEVICE_ID_INTEL_82965Q_HB, PCI_DEVICE_ID_INTEL_82965Q_IG, 0, "965Q", |
47d46379 | 2446 | NULL, &intel_i965_driver }, |
88889851 | 2447 | { PCI_DEVICE_ID_INTEL_82965G_HB, PCI_DEVICE_ID_INTEL_82965G_IG, 0, "965G", |
47d46379 | 2448 | NULL, &intel_i965_driver }, |
dde47876 | 2449 | { PCI_DEVICE_ID_INTEL_82965GM_HB, PCI_DEVICE_ID_INTEL_82965GM_IG, 0, "965GM", |
47d46379 | 2450 | NULL, &intel_i965_driver }, |
dde47876 | 2451 | { PCI_DEVICE_ID_INTEL_82965GME_HB, PCI_DEVICE_ID_INTEL_82965GME_IG, 0, "965GME/GLE", |
47d46379 | 2452 | NULL, &intel_i965_driver }, |
88889851 WZ |
2453 | { PCI_DEVICE_ID_INTEL_7505_0, 0, 0, "E7505", &intel_7505_driver, NULL }, |
2454 | { PCI_DEVICE_ID_INTEL_7205_0, 0, 0, "E7205", &intel_7505_driver, NULL }, | |
2455 | { PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, 0, "G33", | |
47d46379 | 2456 | NULL, &intel_g33_driver }, |
88889851 | 2457 | { PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, 0, "Q35", |
47d46379 | 2458 | NULL, &intel_g33_driver }, |
88889851 | 2459 | { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33", |
47d46379 | 2460 | NULL, &intel_g33_driver }, |
af86d4b0 | 2461 | { PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, 0, "GMA3150", |
2177832f | 2462 | NULL, &intel_g33_driver }, |
af86d4b0 | 2463 | { PCI_DEVICE_ID_INTEL_PINEVIEW_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_IG, 0, "GMA3150", |
2177832f | 2464 | NULL, &intel_g33_driver }, |
99d32bd5 | 2465 | { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0, |
107f517b AJ |
2466 | "GM45", NULL, &intel_i965_driver }, |
2467 | { PCI_DEVICE_ID_INTEL_EAGLELAKE_HB, PCI_DEVICE_ID_INTEL_EAGLELAKE_IG, 0, | |
2468 | "Eaglelake", NULL, &intel_i965_driver }, | |
25ce77ab ZW |
2469 | { PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0, |
2470 | "Q45/Q43", NULL, &intel_i965_driver }, | |
2471 | { PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0, | |
2472 | "G45/G43", NULL, &intel_i965_driver }, | |
38d8a956 FH |
2473 | { PCI_DEVICE_ID_INTEL_B43_HB, PCI_DEVICE_ID_INTEL_B43_IG, 0, |
2474 | "B43", NULL, &intel_i965_driver }, | |
a50ccc6c ZW |
2475 | { PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0, |
2476 | "G41", NULL, &intel_i965_driver }, | |
107f517b | 2477 | { PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG, 0, |
af86d4b0 | 2478 | "HD Graphics", NULL, &intel_i965_driver }, |
107f517b | 2479 | { PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0, |
af86d4b0 | 2480 | "HD Graphics", NULL, &intel_i965_driver }, |
107f517b | 2481 | { PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0, |
af86d4b0 | 2482 | "HD Graphics", NULL, &intel_i965_driver }, |
3ff99164 | 2483 | { PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0, |
af86d4b0 | 2484 | "HD Graphics", NULL, &intel_i965_driver }, |
1089e300 EA |
2485 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG, 0, |
2486 | "Sandybridge", NULL, &intel_i965_driver }, | |
954bce50 EA |
2487 | { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG, 0, |
2488 | "Sandybridge", NULL, &intel_i965_driver }, | |
88889851 | 2489 | { 0, 0, 0, NULL, NULL, NULL } |
9614ece1 WZ |
2490 | }; |
2491 | ||
1da177e4 LT |
2492 | static int __devinit agp_intel_probe(struct pci_dev *pdev, |
2493 | const struct pci_device_id *ent) | |
2494 | { | |
2495 | struct agp_bridge_data *bridge; | |
1da177e4 LT |
2496 | u8 cap_ptr = 0; |
2497 | struct resource *r; | |
1f7a6e37 | 2498 | int i, err; |
1da177e4 LT |
2499 | |
2500 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); | |
2501 | ||
2502 | bridge = agp_alloc_bridge(); | |
2503 | if (!bridge) | |
2504 | return -ENOMEM; | |
2505 | ||
9614ece1 WZ |
2506 | for (i = 0; intel_agp_chipsets[i].name != NULL; i++) { |
2507 | /* In case that multiple models of gfx chip may | |
2508 | stand on same host bridge type, this can be | |
2509 | sure we detect the right IGD. */ | |
88889851 WZ |
2510 | if (pdev->device == intel_agp_chipsets[i].chip_id) { |
2511 | if ((intel_agp_chipsets[i].gmch_chip_id != 0) && | |
2512 | find_gmch(intel_agp_chipsets[i].gmch_chip_id)) { | |
2513 | bridge->driver = | |
2514 | intel_agp_chipsets[i].gmch_driver; | |
2515 | break; | |
2516 | } else if (intel_agp_chipsets[i].multi_gmch_chip) { | |
2517 | continue; | |
2518 | } else { | |
2519 | bridge->driver = intel_agp_chipsets[i].driver; | |
2520 | break; | |
2521 | } | |
2522 | } | |
9614ece1 WZ |
2523 | } |
2524 | ||
2525 | if (intel_agp_chipsets[i].name == NULL) { | |
1da177e4 | 2526 | if (cap_ptr) |
e3cf6951 BH |
2527 | dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n", |
2528 | pdev->vendor, pdev->device); | |
9614ece1 WZ |
2529 | agp_put_bridge(bridge); |
2530 | return -ENODEV; | |
2531 | } | |
2532 | ||
9614ece1 | 2533 | if (bridge->driver == NULL) { |
47d46379 WZ |
2534 | /* bridge has no AGP and no IGD detected */ |
2535 | if (cap_ptr) | |
e3cf6951 BH |
2536 | dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n", |
2537 | intel_agp_chipsets[i].gmch_chip_id); | |
1da177e4 LT |
2538 | agp_put_bridge(bridge); |
2539 | return -ENODEV; | |
f011ae74 | 2540 | } |
1da177e4 LT |
2541 | |
2542 | bridge->dev = pdev; | |
2543 | bridge->capndx = cap_ptr; | |
c4ca8817 | 2544 | bridge->dev_private_data = &intel_private; |
1da177e4 | 2545 | |
e3cf6951 | 2546 | dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name); |
1da177e4 LT |
2547 | |
2548 | /* | |
2549 | * The following fixes the case where the BIOS has "forgotten" to | |
2550 | * provide an address range for the GART. | |
2551 | * 20030610 - hamish@zot.org | |
2552 | */ | |
2553 | r = &pdev->resource[0]; | |
2554 | if (!r->start && r->end) { | |
6a92a4e0 | 2555 | if (pci_assign_resource(pdev, 0)) { |
e3cf6951 | 2556 | dev_err(&pdev->dev, "can't assign resource 0\n"); |
1da177e4 LT |
2557 | agp_put_bridge(bridge); |
2558 | return -ENODEV; | |
2559 | } | |
2560 | } | |
2561 | ||
2562 | /* | |
2563 | * If the device has not been properly setup, the following will catch | |
2564 | * the problem and should stop the system from crashing. | |
2565 | * 20030610 - hamish@zot.org | |
2566 | */ | |
2567 | if (pci_enable_device(pdev)) { | |
e3cf6951 | 2568 | dev_err(&pdev->dev, "can't enable PCI device\n"); |
1da177e4 LT |
2569 | agp_put_bridge(bridge); |
2570 | return -ENODEV; | |
2571 | } | |
2572 | ||
2573 | /* Fill in the mode register */ | |
2574 | if (cap_ptr) { | |
2575 | pci_read_config_dword(pdev, | |
2576 | bridge->capndx+PCI_AGP_STATUS, | |
2577 | &bridge->mode); | |
2578 | } | |
2579 | ||
9b974cc1 | 2580 | if (bridge->driver->mask_memory == intel_i965_mask_memory) { |
ec402ba9 DW |
2581 | if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36))) |
2582 | dev_err(&intel_private.pcidev->dev, | |
2583 | "set gfx device dma mask 36bit failed!\n"); | |
9b974cc1 ZW |
2584 | else |
2585 | pci_set_consistent_dma_mask(intel_private.pcidev, | |
2586 | DMA_BIT_MASK(36)); | |
2587 | } | |
ec402ba9 | 2588 | |
1da177e4 | 2589 | pci_set_drvdata(pdev, bridge); |
1f7a6e37 ZW |
2590 | err = agp_add_bridge(bridge); |
2591 | if (!err) | |
2592 | intel_agp_enabled = 1; | |
2593 | return err; | |
1da177e4 LT |
2594 | } |
2595 | ||
2596 | static void __devexit agp_intel_remove(struct pci_dev *pdev) | |
2597 | { | |
2598 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
2599 | ||
2600 | agp_remove_bridge(bridge); | |
2601 | ||
c4ca8817 WZ |
2602 | if (intel_private.pcidev) |
2603 | pci_dev_put(intel_private.pcidev); | |
1da177e4 LT |
2604 | |
2605 | agp_put_bridge(bridge); | |
2606 | } | |
2607 | ||
85be7d60 | 2608 | #ifdef CONFIG_PM |
1da177e4 LT |
2609 | static int agp_intel_resume(struct pci_dev *pdev) |
2610 | { | |
2611 | struct agp_bridge_data *bridge = pci_get_drvdata(pdev); | |
a8c84df9 | 2612 | int ret_val; |
1da177e4 | 2613 | |
1da177e4 LT |
2614 | if (bridge->driver == &intel_generic_driver) |
2615 | intel_configure(); | |
2616 | else if (bridge->driver == &intel_850_driver) | |
2617 | intel_850_configure(); | |
2618 | else if (bridge->driver == &intel_845_driver) | |
2619 | intel_845_configure(); | |
2620 | else if (bridge->driver == &intel_830mp_driver) | |
2621 | intel_830mp_configure(); | |
2622 | else if (bridge->driver == &intel_915_driver) | |
2623 | intel_i915_configure(); | |
2624 | else if (bridge->driver == &intel_830_driver) | |
2625 | intel_i830_configure(); | |
2626 | else if (bridge->driver == &intel_810_driver) | |
2627 | intel_i810_configure(); | |
08da3f41 DJ |
2628 | else if (bridge->driver == &intel_i965_driver) |
2629 | intel_i915_configure(); | |
1da177e4 | 2630 | |
a8c84df9 KP |
2631 | ret_val = agp_rebind_memory(); |
2632 | if (ret_val != 0) | |
2633 | return ret_val; | |
2634 | ||
1da177e4 LT |
2635 | return 0; |
2636 | } | |
85be7d60 | 2637 | #endif |
1da177e4 LT |
2638 | |
2639 | static struct pci_device_id agp_intel_pci_table[] = { | |
2640 | #define ID(x) \ | |
2641 | { \ | |
2642 | .class = (PCI_CLASS_BRIDGE_HOST << 8), \ | |
2643 | .class_mask = ~0, \ | |
2644 | .vendor = PCI_VENDOR_ID_INTEL, \ | |
2645 | .device = x, \ | |
2646 | .subvendor = PCI_ANY_ID, \ | |
2647 | .subdevice = PCI_ANY_ID, \ | |
2648 | } | |
2649 | ID(PCI_DEVICE_ID_INTEL_82443LX_0), | |
2650 | ID(PCI_DEVICE_ID_INTEL_82443BX_0), | |
2651 | ID(PCI_DEVICE_ID_INTEL_82443GX_0), | |
2652 | ID(PCI_DEVICE_ID_INTEL_82810_MC1), | |
2653 | ID(PCI_DEVICE_ID_INTEL_82810_MC3), | |
2654 | ID(PCI_DEVICE_ID_INTEL_82810E_MC), | |
2655 | ID(PCI_DEVICE_ID_INTEL_82815_MC), | |
2656 | ID(PCI_DEVICE_ID_INTEL_82820_HB), | |
2657 | ID(PCI_DEVICE_ID_INTEL_82820_UP_HB), | |
2658 | ID(PCI_DEVICE_ID_INTEL_82830_HB), | |
2659 | ID(PCI_DEVICE_ID_INTEL_82840_HB), | |
2660 | ID(PCI_DEVICE_ID_INTEL_82845_HB), | |
2661 | ID(PCI_DEVICE_ID_INTEL_82845G_HB), | |
2662 | ID(PCI_DEVICE_ID_INTEL_82850_HB), | |
347486bb | 2663 | ID(PCI_DEVICE_ID_INTEL_82854_HB), |
1da177e4 LT |
2664 | ID(PCI_DEVICE_ID_INTEL_82855PM_HB), |
2665 | ID(PCI_DEVICE_ID_INTEL_82855GM_HB), | |
2666 | ID(PCI_DEVICE_ID_INTEL_82860_HB), | |
2667 | ID(PCI_DEVICE_ID_INTEL_82865_HB), | |
2668 | ID(PCI_DEVICE_ID_INTEL_82875_HB), | |
2669 | ID(PCI_DEVICE_ID_INTEL_7505_0), | |
2670 | ID(PCI_DEVICE_ID_INTEL_7205_0), | |
e914a36a | 2671 | ID(PCI_DEVICE_ID_INTEL_E7221_HB), |
1da177e4 LT |
2672 | ID(PCI_DEVICE_ID_INTEL_82915G_HB), |
2673 | ID(PCI_DEVICE_ID_INTEL_82915GM_HB), | |
d0de98fa | 2674 | ID(PCI_DEVICE_ID_INTEL_82945G_HB), |
3b0e8ead | 2675 | ID(PCI_DEVICE_ID_INTEL_82945GM_HB), |
dde47876 | 2676 | ID(PCI_DEVICE_ID_INTEL_82945GME_HB), |
107f517b AJ |
2677 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB), |
2678 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_HB), | |
65c25aad | 2679 | ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), |
9119f85a | 2680 | ID(PCI_DEVICE_ID_INTEL_82G35_HB), |
65c25aad EA |
2681 | ID(PCI_DEVICE_ID_INTEL_82965Q_HB), |
2682 | ID(PCI_DEVICE_ID_INTEL_82965G_HB), | |
4598af33 | 2683 | ID(PCI_DEVICE_ID_INTEL_82965GM_HB), |
dde47876 | 2684 | ID(PCI_DEVICE_ID_INTEL_82965GME_HB), |
874808c6 WZ |
2685 | ID(PCI_DEVICE_ID_INTEL_G33_HB), |
2686 | ID(PCI_DEVICE_ID_INTEL_Q35_HB), | |
2687 | ID(PCI_DEVICE_ID_INTEL_Q33_HB), | |
99d32bd5 | 2688 | ID(PCI_DEVICE_ID_INTEL_GM45_HB), |
107f517b | 2689 | ID(PCI_DEVICE_ID_INTEL_EAGLELAKE_HB), |
25ce77ab ZW |
2690 | ID(PCI_DEVICE_ID_INTEL_Q45_HB), |
2691 | ID(PCI_DEVICE_ID_INTEL_G45_HB), | |
a50ccc6c | 2692 | ID(PCI_DEVICE_ID_INTEL_G41_HB), |
38d8a956 | 2693 | ID(PCI_DEVICE_ID_INTEL_B43_HB), |
107f517b AJ |
2694 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB), |
2695 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), | |
2696 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), | |
3ff99164 | 2697 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB), |
1089e300 | 2698 | ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB), |
954bce50 | 2699 | ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB), |
1da177e4 LT |
2700 | { } |
2701 | }; | |
2702 | ||
2703 | MODULE_DEVICE_TABLE(pci, agp_intel_pci_table); | |
2704 | ||
2705 | static struct pci_driver agp_intel_pci_driver = { | |
2706 | .name = "agpgart-intel", | |
2707 | .id_table = agp_intel_pci_table, | |
2708 | .probe = agp_intel_probe, | |
2709 | .remove = __devexit_p(agp_intel_remove), | |
85be7d60 | 2710 | #ifdef CONFIG_PM |
1da177e4 | 2711 | .resume = agp_intel_resume, |
85be7d60 | 2712 | #endif |
1da177e4 LT |
2713 | }; |
2714 | ||
2715 | static int __init agp_intel_init(void) | |
2716 | { | |
2717 | if (agp_off) | |
2718 | return -EINVAL; | |
2719 | return pci_register_driver(&agp_intel_pci_driver); | |
2720 | } | |
2721 | ||
2722 | static void __exit agp_intel_cleanup(void) | |
2723 | { | |
2724 | pci_unregister_driver(&agp_intel_pci_driver); | |
2725 | } | |
2726 | ||
2727 | module_init(agp_intel_init); | |
2728 | module_exit(agp_intel_cleanup); | |
2729 | ||
f4432c5c | 2730 | MODULE_AUTHOR("Dave Jones <davej@redhat.com>"); |
1da177e4 | 2731 | MODULE_LICENSE("GPL and additional rights"); |