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Rev | Author | Line No. | Line |
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948 | serge | 1 | |
2 | #include "link.h" |
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951 | serge | 3 | |
948 | serge | 4 | |
5 | #include |
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6 | #include |
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7 | |||
8 | |||
9 | #include "agp.h" |
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10 | |||
11 | |||
12 | |||
13 | |||
14 | |||
951 | serge | 15 | |
948 | serge | 16 | |
17 | |||
18 | |||
19 | |||
20 | |||
21 | { |
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22 | u32_t retval; |
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23 | |||
24 | |||
25 | |||
26 | |||
27 | return 0; |
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28 | |||
29 | |||
30 | { |
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31 | printf("Can't open /rd/1/drivers/agp.log\nExit\n"); |
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32 | return 0; |
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33 | } |
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34 | |||
35 | |||
36 | { |
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37 | dbgprintf("Device not found\n"); |
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38 | return 0; |
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39 | }; |
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40 | |||
41 | |||
42 | |||
43 | |||
44 | // dbgprintf("reg service %s as: %x\n", "HDRAW", retval); |
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45 | |||
46 | |||
47 | }; |
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48 | |||
49 | |||
50 | |||
951 | serge | 51 | #include "isoch.inc" |
953 | serge | 52 | |
951 | serge | 53 | |
948 | serge | 54 | { |
55 | u32_t temp; |
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56 | |||
57 | |||
951 | serge | 58 | pciWriteLong(bridge->PciTag, INTEL_AGPCTRL, temp & ~(1 << 7)); |
59 | temp = pciReadLong(bridge->PciTag, INTEL_AGPCTRL); |
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60 | pciWriteLong(bridge->PciTag, INTEL_AGPCTRL, temp | (1 << 7)); |
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61 | } |
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948 | serge | 62 | |
63 | |||
64 | |||
65 | { |
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66 | { 256, 65536, 64, 0 }, |
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67 | { 128, 32768, 32, 32 }, |
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68 | { 64, 16384, 16, 48 }, |
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69 | { 32, 8192, 8, 56 }, |
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70 | { 16, 4096, 4, 60 }, |
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71 | { 8, 2048, 2, 62 }, |
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72 | { 4, 1024, 1, 63 } |
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73 | }; |
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74 | |||
75 | |||
76 | |||
77 | |||
951 | serge | 78 | { |
948 | serge | 79 | u32_t temp; |
80 | u8_t temp2; |
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81 | aper_size_t *current_size; |
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82 | |||
83 | |||
951 | serge | 84 | |
948 | serge | 85 | |
86 | pciWriteByte(bridge->PciTag, INTEL_APSIZE, current_size->size_value); |
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951 | serge | 87 | |
948 | serge | 88 | |
89 | |||
90 | |||
951 | serge | 91 | { |
948 | serge | 92 | pciWriteLong(bridge->PciTag, AGP_APBASE, bridge->apbase_config); |
951 | serge | 93 | } |
948 | serge | 94 | else |
95 | { |
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96 | /* address to map to */ |
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97 | temp = pciReadLong(bridge->PciTag, AGP_APBASE); |
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951 | serge | 98 | bridge->gart_addr = (temp & PCI_MAP_MEMORY_ADDRESS_MASK); |
99 | bridge->apbase_config = temp; |
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100 | } |
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948 | serge | 101 | |
102 | |||
103 | |||
104 | |||
105 | pciWriteLong(bridge->PciTag, INTEL_ATTBASE, bridge->gatt_dma); |
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951 | serge | 106 | |
948 | serge | 107 | |
108 | pciWriteLong(bridge->PciTag, INTEL_AGPCTRL, 0x0000); |
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951 | serge | 109 | |
948 | serge | 110 | |
111 | temp2 = pciReadByte(bridge->PciTag, INTEL_I845_AGPM); |
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951 | serge | 112 | pciWriteByte(bridge->PciTag, INTEL_I845_AGPM, temp2 | (1 << 1)); |
113 | /* clear any possible error conditions */ |
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948 | serge | 114 | pciWriteWord(bridge->PciTag, INTEL_I845_ERRSTS, 0x001c); |
951 | serge | 115 | return 0; |
948 | serge | 116 | } |
117 | |||
118 | |||
119 | |||
951 | serge | 120 | { |
948 | serge | 121 | count_t pages; |
122 | |||
123 | |||
124 | |||
125 | |||
951 | serge | 126 | { |
127 | if(bridge->gatt_table = |
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128 | (u32_t*)MapIoMem((void*)bridge->gatt_dma, |
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129 | pages<<12, PG_SW+PG_NOCACHE)) |
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130 | { |
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131 | dbgprintf("gatt map %x at %x %d pages\n",bridge->gatt_dma , |
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132 | bridge->gatt_table, pages); |
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133 | |||
948 | serge | 134 | |
951 | serge | 135 | |
948 | serge | 136 | |
951 | serge | 137 | |
948 | serge | 138 | |
951 | serge | 139 | |
948 | serge | 140 | |
951 | serge | 141 | addr_t tmp; |
142 | |||
948 | serge | 143 | |
951 | serge | 144 | table++; |
145 | } |
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146 | return 1; |
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147 | }; |
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148 | }; |
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149 | dbgprintf("unable to get memory for " |
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150 | "graphics translation table.\n"); |
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151 | return 0; |
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948 | serge | 152 | } |
153 | |||
154 | |||
155 | |||
156 | { |
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157 | int i; |
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158 | aper_size_t *values; |
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159 | |||
160 | |||
951 | serge | 161 | |
948 | serge | 162 | |
163 | |||
164 | |||
165 | { |
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166 | if (temp == values[i].size_value) |
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167 | { |
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168 | bridge->previous_size = |
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951 | serge | 169 | bridge->current_size = (void *) (values + i); |
170 | bridge->aperture_size_idx = i; |
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171 | return values[i].size; |
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948 | serge | 172 | } |
173 | } |
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174 | return 0; |
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175 | } |
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176 | |||
177 | |||
178 | { |
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179 | u8_t temp; |
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180 | |||
181 | |||
951 | serge | 182 | return __intel_8xx_fetch_size(temp); |
948 | serge | 183 | } |
184 | |||
185 | |||
186 | |||
187 | { |
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188 | int ret_val; |
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189 | count_t count; |
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190 | |||
191 | |||
192 | // return -EINVAL; |
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193 | |||
194 | |||
195 | // printk(KERN_INFO PFX "memory %p is already bound!\n", curr); |
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196 | // return -EINVAL; |
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197 | // } |
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198 | // if (curr->is_flushed == FALSE) { |
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199 | // curr->bridge->driver->cache_flush(); |
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200 | // curr->is_flushed = TRUE; |
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201 | // } |
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202 | // ret_val = curr->bridge->driver->insert_memory(curr, pg_start, curr->type); |
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203 | |||
204 | |||
951 | serge | 205 | |
948 | serge | 206 | |
207 | |||
208 | |||
209 | |||
210 | |||
211 | { |
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212 | *table = dma_addr; |
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213 | table++; |
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214 | dma_addr+=4096; |
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215 | } |
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216 | |||
217 | |||
951 | serge | 218 | |
948 | serge | 219 | |
220 | // return ret_val; |
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221 | |||
222 | |||
223 | // curr->pg_start = pg_start; |
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224 | return 0; |
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225 | } |
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226 | |||
227 | |||
951 | serge | 228 | { |
229 | u32_t ncapid; |
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230 | |||
948 | serge | 231 | |
951 | serge | 232 | if (bridge->major_version != 0) |
233 | return; |
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234 | |||
235 | |||
236 | bridge->major_version = (ncapid >> AGP_MAJOR_VERSION_SHIFT) & 0xf; |
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237 | bridge->minor_version = (ncapid >> AGP_MINOR_VERSION_SHIFT) & 0xf; |
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238 | } |
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239 | |||
240 | |||
241 | { |
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242 | u32_t tmp; |
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243 | |||
244 | |||
245 | dbgprintf("reserved bits set (%x) in mode 0x%x. Fixed.\n", |
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246 | *requested_mode & AGP2_RESERVED_MASK, *requested_mode); |
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247 | *requested_mode &= ~AGP2_RESERVED_MASK; |
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248 | } |
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249 | |||
250 | |||
251 | tmp = *requested_mode & 7; |
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252 | switch (tmp) { |
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253 | case 0: |
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254 | dbgprintf("Setting to x1 mode.\n"); |
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255 | *requested_mode |= AGPSTAT2_1X; |
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256 | break; |
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257 | case 1: |
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258 | case 2: |
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259 | break; |
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260 | case 3: |
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261 | *requested_mode &= ~(AGPSTAT2_1X); /* rate=2 */ |
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262 | break; |
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263 | case 4: |
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264 | break; |
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265 | case 5: |
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266 | case 6: |
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267 | case 7: |
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268 | *requested_mode &= ~(AGPSTAT2_1X|AGPSTAT2_2X); /* rate=4*/ |
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269 | break; |
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270 | } |
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271 | |||
272 | |||
273 | if (!((*bridge_agpstat & AGPSTAT_SBA) && (*vga_agpstat & AGPSTAT_SBA) && (*requested_mode & AGPSTAT_SBA))) |
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274 | *bridge_agpstat &= ~AGPSTAT_SBA; |
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275 | |||
276 | |||
277 | if (!((*bridge_agpstat & AGPSTAT2_4X) && (*vga_agpstat & AGPSTAT2_4X) && (*requested_mode & AGPSTAT2_4X))) |
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278 | *bridge_agpstat &= ~AGPSTAT2_4X; |
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279 | |||
280 | |||
281 | *bridge_agpstat &= ~AGPSTAT2_2X; |
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282 | |||
283 | |||
284 | *bridge_agpstat &= ~AGPSTAT2_1X; |
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285 | |||
286 | |||
287 | if (*bridge_agpstat & AGPSTAT2_4X) |
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288 | *bridge_agpstat &= ~(AGPSTAT2_1X | AGPSTAT2_2X); /* 4X */ |
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289 | |||
290 | |||
291 | *bridge_agpstat &= ~(AGPSTAT2_1X | AGPSTAT2_4X); /* 2X */ |
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292 | |||
293 | |||
294 | *bridge_agpstat &= ~(AGPSTAT2_2X | AGPSTAT2_4X); /* 1X */ |
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295 | |||
296 | |||
297 | if (bridge->flags & AGP_ERRATA_FASTWRITES) |
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298 | *bridge_agpstat &= ~AGPSTAT_FW; |
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299 | |||
300 | |||
301 | *bridge_agpstat &= ~AGPSTAT_SBA; |
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302 | |||
303 | |||
304 | *bridge_agpstat &= ~(AGPSTAT2_2X | AGPSTAT2_4X); |
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305 | *bridge_agpstat |= AGPSTAT2_1X; |
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306 | } |
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307 | |||
308 | |||
309 | if (*bridge_agpstat & AGPSTAT2_1X) |
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310 | *bridge_agpstat &= ~AGPSTAT_FW; |
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311 | } |
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312 | |||
313 | |||
314 | |||
315 | u32_t *bridge_agpstat, |
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316 | u32_t *vga_agpstat) |
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317 | { |
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318 | u32_t origbridge = *bridge_agpstat, origvga = *vga_agpstat; |
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319 | u32_t tmp; |
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320 | |||
321 | |||
322 | { |
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323 | dbgprintf("reserved bits set (%x) in mode 0x%x. Fixed.\n", |
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324 | *requested_mode & AGP3_RESERVED_MASK, *requested_mode); |
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325 | *requested_mode &= ~AGP3_RESERVED_MASK; |
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326 | } |
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327 | |||
328 | |||
329 | tmp = *requested_mode & 7; |
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330 | if (tmp == 0) { |
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331 | dbgprintf("Setting to AGP3 x4 mode.\n"); |
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332 | *requested_mode |= AGPSTAT3_4X; |
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333 | } |
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334 | if (tmp >= 3) { |
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335 | dbgprintf("Setting to AGP3 x8 mode.\n"); |
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336 | *requested_mode = (*requested_mode & ~7) | AGPSTAT3_8X; |
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337 | } |
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338 | |||
339 | |||
340 | * Don't allow the mode register to override values. */ |
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341 | *bridge_agpstat = ((*bridge_agpstat & ~AGPSTAT_ARQSZ) | |
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342 | max_t(u32_t,(*bridge_agpstat & AGPSTAT_ARQSZ),(*vga_agpstat & AGPSTAT_ARQSZ))); |
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343 | |||
344 | |||
345 | * Don't allow the mode register to override values. */ |
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346 | *bridge_agpstat = ((*bridge_agpstat & ~AGPSTAT_CAL_MASK) | |
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347 | min_t(u32_t,(*bridge_agpstat & AGPSTAT_CAL_MASK),(*vga_agpstat & AGPSTAT_CAL_MASK))); |
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348 | |||
349 | |||
350 | *bridge_agpstat |= AGPSTAT_SBA; |
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351 | |||
352 | |||
353 | * Set speed. |
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354 | * Check for invalid speeds. This can happen when applications |
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355 | * written before the AGP 3.0 standard pass AGP2.x modes to AGP3 hardware |
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356 | */ |
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357 | if (*requested_mode & AGPSTAT_MODE_3_0) { |
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358 | /* |
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359 | * Caller hasn't a clue what it is doing. Bridge is in 3.0 mode, |
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360 | * have been passed a 3.0 mode, but with 2.x speed bits set. |
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361 | * AGP2.x 4x -> AGP3.0 4x. |
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362 | */ |
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363 | if (*requested_mode & AGPSTAT2_4X) { |
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364 | dbgprintf("broken AGP3 flags (%x). Fixed.\n", *requested_mode); |
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365 | *requested_mode &= ~AGPSTAT2_4X; |
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366 | *requested_mode |= AGPSTAT3_4X; |
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367 | } |
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368 | } else { |
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369 | /* |
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370 | * The caller doesn't know what they are doing. We are in 3.0 mode, |
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371 | * but have been passed an AGP 2.x mode. |
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372 | * Convert AGP 1x,2x,4x -> AGP 3.0 4x. |
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373 | */ |
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374 | dbgprintf("broken AGP2 flags (%x) in AGP3 mode. Fixed.\n",*requested_mode); |
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375 | *requested_mode &= ~(AGPSTAT2_4X | AGPSTAT2_2X | AGPSTAT2_1X); |
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376 | *requested_mode |= AGPSTAT3_4X; |
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377 | } |
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378 | |||
379 | |||
380 | if (!(*bridge_agpstat & AGPSTAT3_8X)) { |
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381 | *bridge_agpstat &= ~(AGPSTAT3_8X | AGPSTAT3_RSVD); |
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382 | *bridge_agpstat |= AGPSTAT3_4X; |
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383 | dbgprintf("requested AGPx8 but bridge not capable.\n"); |
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384 | return; |
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385 | } |
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386 | if (!(*vga_agpstat & AGPSTAT3_8X)) { |
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387 | *bridge_agpstat &= ~(AGPSTAT3_8X | AGPSTAT3_RSVD); |
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388 | *bridge_agpstat |= AGPSTAT3_4X; |
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389 | dbgprintf("requested AGPx8 but graphic card not capable.\n"); |
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390 | return; |
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391 | } |
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392 | /* All set, bridge & device can do AGP x8*/ |
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393 | *bridge_agpstat &= ~(AGPSTAT3_4X | AGPSTAT3_RSVD); |
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394 | goto done; |
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395 | |||
396 | |||
397 | |||
398 | |||
399 | * If we didn't specify AGPx8, we can only do x4. |
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400 | * If the hardware can't do x4, we're up shit creek, and never |
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401 | * should have got this far. |
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402 | */ |
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403 | *bridge_agpstat &= ~(AGPSTAT3_8X | AGPSTAT3_RSVD); |
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404 | if ((*bridge_agpstat & AGPSTAT3_4X) && (*vga_agpstat & AGPSTAT3_4X)) |
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405 | *bridge_agpstat |= AGPSTAT3_4X; |
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406 | else { |
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407 | dbgprintf("Badness. Don't know which AGP mode to set. " |
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408 | "[bridge_agpstat:%x vga_agpstat:%x fell back to:- bridge_agpstat:%x vga_agpstat:%x]\n", |
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409 | origbridge, origvga, *bridge_agpstat, *vga_agpstat); |
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410 | if (!(*bridge_agpstat & AGPSTAT3_4X)) |
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411 | dbgprintf("Bridge couldn't do AGP x4.\n"); |
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412 | if (!(*vga_agpstat & AGPSTAT3_4X)) |
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413 | dbgprintf("Graphic card couldn't do AGP x4.\n"); |
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414 | return; |
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415 | } |
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416 | } |
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417 | |||
418 | |||
419 | /* Apply any errata. */ |
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420 | if (bridge->flags & AGP_ERRATA_FASTWRITES) |
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421 | *bridge_agpstat &= ~AGPSTAT_FW; |
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422 | |||
423 | |||
424 | *bridge_agpstat &= ~AGPSTAT_SBA; |
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425 | |||
426 | |||
427 | *bridge_agpstat &= ~(AGPSTAT2_2X | AGPSTAT2_4X); |
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428 | *bridge_agpstat |= AGPSTAT2_1X; |
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429 | } |
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430 | } |
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431 | |||
432 | |||
433 | |||
434 | u32_t bridge_agpstat) |
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435 | { |
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436 | PCITAG vgaTag; |
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437 | u32_t vga_agpstat; |
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438 | int cap_ptr; |
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439 | |||
440 | |||
441 | { |
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442 | vgaTag = pci_find_class(PCI_CLASS_DISPLAY_VGA); |
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443 | if (vgaTag == -1) |
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444 | { |
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445 | dbgprintf("Couldn't find an AGP VGA controller.\n"); |
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446 | return 0; |
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447 | } |
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448 | cap_ptr = pci_find_capability(vgaTag, PCI_CAP_ID_AGP); |
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449 | if (cap_ptr) |
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450 | break; |
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451 | } |
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452 | |||
453 | |||
454 | * Ok, here we have a AGP device. Disable impossible |
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455 | * settings, and adjust the readqueue to the minimum. |
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456 | */ |
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457 | vga_agpstat = pciReadLong(vgaTag, cap_ptr+PCI_AGP_STATUS); |
||
458 | |||
459 | |||
460 | bridge_agpstat = ((bridge_agpstat & ~AGPSTAT_RQ_DEPTH) | |
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461 | min_t(u32_t, (requested_mode & AGPSTAT_RQ_DEPTH), |
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462 | min_t(u32_t, (bridge_agpstat & AGPSTAT_RQ_DEPTH), (vga_agpstat & AGPSTAT_RQ_DEPTH)))); |
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463 | |||
464 | |||
465 | if (!((bridge_agpstat & AGPSTAT_FW) && |
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466 | (vga_agpstat & AGPSTAT_FW) && |
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467 | (requested_mode & AGPSTAT_FW))) |
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468 | bridge_agpstat &= ~AGPSTAT_FW; |
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469 | |||
470 | |||
471 | if (bridge->mode & AGPSTAT_MODE_3_0) |
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472 | agp_v3_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat); |
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473 | else |
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474 | agp_v2_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat); |
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475 | |||
476 | |||
477 | } |
||
478 | |||
479 | |||
480 | |||
481 | { |
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482 | PCITAG device = 0; |
||
483 | int mode; |
||
484 | |||
485 | |||
486 | if (agp_v3) |
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487 | mode *= 4; |
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488 | |||
489 | |||
490 | { |
||
491 | int agp = pci_find_capability(device, PCI_CAP_ID_AGP); |
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492 | if (!agp) |
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493 | continue; |
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494 | |||
495 | |||
496 | agp_v3 ? 3 : 2, mode); |
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497 | pciWriteLong(device, agp + PCI_AGP_COMMAND, bridge_agpstat); |
||
498 | } |
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499 | } |
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500 | |||
501 | |||
502 | |||
503 | |||
504 | |||
505 | { |
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506 | u32_t bridge_agpstat, temp; |
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507 | |||
508 | |||
509 | |||
510 | |||
511 | bridge->major_version, bridge->minor_version); |
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512 | |||
513 | |||
514 | bridge->capndx + PCI_AGP_STATUS); |
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515 | |||
516 | |||
517 | if (bridge_agpstat == 0) |
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518 | /* Something bad happened. FIXME: Return error code? */ |
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519 | return; |
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520 | |||
521 | |||
522 | |||
523 | |||
524 | if (bridge->major_version >= 3) |
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525 | { |
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526 | if (bridge->mode & AGPSTAT_MODE_3_0) |
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527 | { |
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528 | /* If we have 3.5, we can do the isoch stuff. */ |
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529 | if (bridge->minor_version >= 5) |
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530 | agp_3_5_enable(bridge); |
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531 | agp_device_command(bridge_agpstat, TRUE); |
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532 | return; |
||
533 | } |
||
534 | else |
||
535 | { |
||
536 | /* Disable calibration cycle in RX91<1> when not in AGP3.0 mode of operation.*/ |
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537 | bridge_agpstat &= ~(7<<10) ; |
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538 | temp = pciReadLong(bridge->PciTag, bridge->capndx+AGPCTRL); |
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539 | temp |= (1<<9); |
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540 | pciWriteLong(bridge->PciTag, bridge->capndx+AGPCTRL, temp); |
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541 | |||
542 | |||
543 | " falling back to 2.x\n"); |
||
544 | } |
||
545 | } |
||
546 | |||
547 | |||
548 | agp_device_command(bridge_agpstat, FALSE); |
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549 | } |
||
550 | |||
551 | |||
552 | |||
948 | serge | 553 | { |
554 | .aperture_sizes = intel_8xx_sizes, |
||
951 | serge | 555 | // .size_type = U8_APER_SIZE, |
948 | serge | 556 | // .num_aperture_sizes = 7, |
557 | .configure = intel_845_configure, |
||
558 | .fetch_size = intel_8xx_fetch_size, |
||
559 | // .cleanup = intel_8xx_cleanup, |
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560 | .tlb_flush = intel_8xx_tlbflush, |
||
561 | // .mask_memory = agp_generic_mask_memory, |
||
562 | // .masks = intel_generic_masks, |
||
563 | // .agp_enable = agp_generic_enable, |
||
564 | // .cache_flush = global_cache_flush, |
||
565 | .create_gatt_table = agp_generic_create_gatt_table, |
||
951 | serge | 566 | // .free_gatt_table = agp_generic_free_gatt_table, |
948 | serge | 567 | // .insert_memory = agp_generic_insert_memory, |
568 | // .remove_memory = agp_generic_remove_memory, |
||
569 | // .alloc_by_type = agp_generic_alloc_by_type, |
||
570 | // .free_by_type = agp_generic_free_by_type, |
||
571 | // .agp_alloc_page = agp_generic_alloc_page, |
||
572 | // .agp_destroy_page = agp_generic_destroy_page, |
||
573 | }; |
||
574 | |||
575 | |||
951 | serge | 576 | { |
577 | size_t size_value; |
||
578 | |||
948 | serge | 579 | |
951 | serge | 580 | |
581 | |||
582 | |||
583 | |||
584 | |||
585 | |||
586 | |||
587 | |||
588 | dbgprintf("unable to determine aperture size.\n"); |
||
589 | return 0; |
||
590 | }; |
||
591 | |||
592 | |||
593 | |||
594 | |||
595 | { |
||
596 | bridge->configure(); |
||
597 | return 1; |
||
598 | } |
||
599 | return 0; |
||
600 | } |
||
601 | |||
602 | |||
603 | |||
948 | serge | 604 | ><9); |