1 /* 2 * Copyright 2006-2009, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel Dörfler, axeld@pinc-software.de 7 */ 8 9 10 #include "driver.h" 11 #include "device.h" 12 #include "lock.h" 13 14 #include <stdlib.h> 15 #include <stdio.h> 16 #include <string.h> 17 18 #include <AGP.h> 19 #include <KernelExport.h> 20 #include <OS.h> 21 #include <PCI.h> 22 #include <SupportDefs.h> 23 24 25 #define TRACE_DRIVER 26 #ifdef TRACE_DRIVER 27 # define TRACE(x...) dprintf("intel_extreme: " x) 28 #else 29 # define TRACE(x) ; 30 #endif 31 32 #define ERROR(x...) dprintf("intel_extreme: " x) 33 #define CALLED(x...) TRACE("CALLED %s\n", __PRETTY_FUNCTION__) 34 35 36 #define MAX_CARDS 4 37 38 39 // list of supported devices 40 const struct supported_device { 41 uint32 device_id; 42 int32 type; 43 const char* name; 44 } kSupportedDevices[] = { 45 {0x3577, INTEL_GROUP_83x, "i830GM"}, 46 {0x2562, INTEL_GROUP_83x, "i845G"}, 47 48 {0x2572, INTEL_GROUP_85x, "i865G"}, 49 {0x3582, INTEL_GROUP_85x, "i855G"}, 50 {0x358e, INTEL_GROUP_85x, "i855G"}, 51 52 {0x2582, INTEL_MODEL_915, "i915G"}, 53 {0x258a, INTEL_MODEL_915, "i915"}, 54 {0x2592, INTEL_MODEL_915M, "i915GM"}, 55 {0x2792, INTEL_MODEL_915, "i910"}, 56 {0x2772, INTEL_MODEL_945, "i945G"}, 57 {0x27a2, INTEL_MODEL_945M, "i945GM"}, 58 {0x27ae, INTEL_MODEL_945M, "i945GME"}, 59 {0x2972, INTEL_MODEL_965, "i946G"}, 60 {0x2982, INTEL_MODEL_965, "G35"}, 61 {0x2992, INTEL_MODEL_965, "i965Q"}, 62 {0x29a2, INTEL_MODEL_965, "i965G"}, 63 {0x2a02, INTEL_MODEL_965M, "i965GM"}, 64 {0x2a12, INTEL_MODEL_965M, "i965GME"}, 65 {0x29b2, INTEL_MODEL_G33, "G33G"}, 66 {0x29c2, INTEL_MODEL_G33, "Q35G"}, 67 {0x29d2, INTEL_MODEL_G33, "Q33G"}, 68 69 {0x2a42, INTEL_MODEL_GM45, "GM45"}, 70 {0x2e02, INTEL_MODEL_G45, "IGD"}, 71 {0x2e12, INTEL_MODEL_G45, "Q45"}, 72 {0x2e22, INTEL_MODEL_G45, "G45"}, 73 {0x2e32, INTEL_MODEL_G45, "G41"}, 74 {0x2e42, INTEL_MODEL_G45, "B43"}, 75 {0x2e92, INTEL_MODEL_G45, "B43"}, 76 77 {0xa001, INTEL_MODEL_PINE, "Atom D4xx"}, 78 {0xa002, INTEL_MODEL_PINE, "Atom D5xx"}, 79 {0xa011, INTEL_MODEL_PINEM, "Atom N4xx"}, 80 {0xa012, INTEL_MODEL_PINEM, "Atom N5xx"}, 81 82 {0x0042, INTEL_MODEL_ILKG, "IronLake Desktop"}, 83 {0x0046, INTEL_MODEL_ILKGM, "IronLake Mobile"}, 84 {0x0046, INTEL_MODEL_ILKGM, "IronLake Mobile"}, 85 {0x0046, INTEL_MODEL_ILKGM, "IronLake Mobile"}, 86 87 {0x0102, INTEL_MODEL_SNBG, "SandyBridge Desktop GT1"}, 88 {0x0112, INTEL_MODEL_SNBG, "SandyBridge Desktop GT2"}, 89 {0x0122, INTEL_MODEL_SNBG, "SandyBridge Desktop GT2+"}, 90 {0x0106, INTEL_MODEL_SNBGM, "SandyBridge Mobile GT1"}, 91 {0x0116, INTEL_MODEL_SNBGM, "SandyBridge Mobile GT2"}, 92 {0x0126, INTEL_MODEL_SNBGM, "SandyBridge Mobile GT2+"}, 93 {0x010a, INTEL_MODEL_SNBGS, "SandyBridge Server"}, 94 95 {0x0152, INTEL_MODEL_IVBG, "IvyBridge Desktop GT1"}, 96 {0x0162, INTEL_MODEL_IVBG, "IvyBridge Desktop GT2"}, 97 {0x0156, INTEL_MODEL_IVBGM, "IvyBridge Mobile GT1"}, 98 {0x0166, INTEL_MODEL_IVBGM, "IvyBridge Mobile GT2"}, 99 {0x015a, INTEL_MODEL_IVBGS, "IvyBridge Server GT1"}, 100 {0x016a, INTEL_MODEL_IVBGS, "IvyBridge Server GT2"}, 101 102 {0x0412, INTEL_MODEL_HAS, "Haswell Desktop"}, 103 {0x0416, INTEL_MODEL_HASM, "Haswell Mobile"}, 104 {0x0d26, INTEL_MODEL_HASM, "Haswell Mobile"}, 105 {0x0a16, INTEL_MODEL_HASM, "Haswell Mobile"}, 106 107 {0x0155, INTEL_MODEL_VLV, "ValleyView Desktop"}, 108 {0x0f30, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 109 {0x0f31, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 110 {0x0f32, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 111 {0x0f33, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 112 {0x0157, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 113 114 // {0x1616, INTEL_MODEL_BDWM, "HD Graphics 5500 (Broadwell GT2)"}, 115 116 {0x1902, INTEL_MODEL_SKY, "Skylake GT1"}, 117 {0x1906, INTEL_MODEL_SKYM, "Skylake GT1"}, 118 {0x190a, INTEL_MODEL_SKYS, "Skylake GT1"}, 119 {0x190b, INTEL_MODEL_SKY, "Skylake GT1"}, 120 {0x190e, INTEL_MODEL_SKYM, "Skylake GT1"}, 121 {0x1912, INTEL_MODEL_SKY, "Skylake GT2"}, 122 {0x1916, INTEL_MODEL_SKYM, "Skylake GT2"}, 123 {0x191a, INTEL_MODEL_SKYS, "Skylake GT2"}, 124 {0x191b, INTEL_MODEL_SKY, "Skylake GT2"}, 125 {0x191d, INTEL_MODEL_SKY, "Skylake GT2"}, 126 {0x191e, INTEL_MODEL_SKYM, "Skylake GT2"}, 127 {0x1921, INTEL_MODEL_SKYM, "Skylake GT2F"}, 128 {0x1926, INTEL_MODEL_SKYM, "Skylake GT3"}, 129 {0x192a, INTEL_MODEL_SKYS, "Skylake GT3"}, 130 {0x192b, INTEL_MODEL_SKY, "Skylake GT3"}, 131 }; 132 133 int32 api_version = B_CUR_DRIVER_API_VERSION; 134 135 char* gDeviceNames[MAX_CARDS + 1]; 136 intel_info* gDeviceInfo[MAX_CARDS]; 137 pci_module_info* gPCI; 138 pci_x86_module_info* gPCIx86Module = NULL; 139 agp_gart_module_info* gGART; 140 mutex gLock; 141 142 143 static status_t 144 get_next_intel_extreme(int32* _cookie, pci_info &info, uint32 &type) 145 { 146 int32 index = *_cookie; 147 148 // find devices 149 150 for (; gPCI->get_nth_pci_info(index, &info) == B_OK; index++) { 151 // check vendor 152 if (info.vendor_id != VENDOR_ID_INTEL 153 || info.class_base != PCI_display 154 || info.class_sub != PCI_vga) 155 continue; 156 157 // check device 158 for (uint32 i = 0; i < sizeof(kSupportedDevices) 159 / sizeof(kSupportedDevices[0]); i++) { 160 if (info.device_id == kSupportedDevices[i].device_id) { 161 type = i; 162 *_cookie = index + 1; 163 return B_OK; 164 } 165 } 166 } 167 168 return B_ENTRY_NOT_FOUND; 169 } 170 171 172 static enum pch_info 173 detect_intel_pch() 174 { 175 pci_info info; 176 177 // find devices 178 for (int32 i = 0; gPCI->get_nth_pci_info(i, &info) == B_OK; i++) { 179 // check vendor 180 if (info.vendor_id != VENDOR_ID_INTEL 181 || info.class_base != PCI_bridge 182 || info.class_sub != PCI_isa) { 183 continue; 184 } 185 186 // check device 187 unsigned short id = info.device_id & INTEL_PCH_DEVICE_ID_MASK; 188 switch(id) { 189 case INTEL_PCH_IBX_DEVICE_ID: 190 ERROR("%s: Found Ibex Peak PCH\n", __func__); 191 return INTEL_PCH_IBX; 192 case INTEL_PCH_CPT_DEVICE_ID: 193 ERROR("%s: Found CougarPoint PCH\n", __func__); 194 return INTEL_PCH_CPT; 195 case INTEL_PCH_PPT_DEVICE_ID: 196 ERROR("%s: Found PantherPoint PCH\n", __func__); 197 return INTEL_PCH_CPT; 198 case INTEL_PCH_LPT_DEVICE_ID: 199 case INTEL_PCH_LPT_LP_DEVICE_ID: 200 ERROR("%s: Found LynxPoint PCH\n", __func__); 201 return INTEL_PCH_LPT; 202 case INTEL_PCH_SPT_DEVICE_ID: 203 case INTEL_PCH_SPT_LP_DEVICE_ID: 204 ERROR("%s: Found SunrisePoint PCH\n", __func__); 205 return INTEL_PCH_SPT; 206 } 207 } 208 209 ERROR("%s: No PCH detected.\n", __func__); 210 return INTEL_PCH_NONE; 211 } 212 213 214 extern "C" const char** 215 publish_devices(void) 216 { 217 CALLED(); 218 return (const char**)gDeviceNames; 219 } 220 221 222 extern "C" status_t 223 init_hardware(void) 224 { 225 CALLED(); 226 227 status_t status = get_module(B_PCI_MODULE_NAME,(module_info**)&gPCI); 228 if (status != B_OK) { 229 ERROR("pci module unavailable\n"); 230 return status; 231 } 232 233 int32 cookie = 0; 234 uint32 type; 235 pci_info info; 236 status = get_next_intel_extreme(&cookie, info, type); 237 238 put_module(B_PCI_MODULE_NAME); 239 return status; 240 } 241 242 243 extern "C" status_t 244 init_driver(void) 245 { 246 CALLED(); 247 248 status_t status = get_module(B_PCI_MODULE_NAME, (module_info**)&gPCI); 249 if (status != B_OK) { 250 ERROR("pci module unavailable\n"); 251 return status; 252 } 253 254 status = get_module(B_AGP_GART_MODULE_NAME, (module_info**)&gGART); 255 if (status != B_OK) { 256 ERROR("AGP GART module unavailable\n"); 257 put_module(B_PCI_MODULE_NAME); 258 return status; 259 } 260 261 mutex_init(&gLock, "intel extreme ksync"); 262 263 // Try to get the PCI x86 module as well so we can enable possible MSIs. 264 if (get_module(B_PCI_X86_MODULE_NAME, 265 (module_info **)&gPCIx86Module) != B_OK) { 266 ERROR("failed to get pci x86 module\n"); 267 gPCIx86Module = NULL; 268 } 269 270 // find the PCH device (if any) 271 enum pch_info pchInfo = detect_intel_pch(); 272 273 // find devices 274 275 int32 found = 0; 276 277 for (int32 cookie = 0; found < MAX_CARDS;) { 278 pci_info* info = (pci_info*)malloc(sizeof(pci_info)); 279 if (info == NULL) 280 break; 281 282 uint32 type; 283 status = get_next_intel_extreme(&cookie, *info, type); 284 if (status < B_OK) { 285 free(info); 286 break; 287 } 288 289 // create device names & allocate device info structure 290 291 char name[64]; 292 sprintf(name, "graphics/intel_extreme_%02x%02x%02x", 293 info->bus, info->device, 294 info->function); 295 296 gDeviceNames[found] = strdup(name); 297 if (gDeviceNames[found] == NULL) 298 break; 299 300 gDeviceInfo[found] = (intel_info*)malloc(sizeof(intel_info)); 301 if (gDeviceInfo[found] == NULL) { 302 free(gDeviceNames[found]); 303 break; 304 } 305 306 // initialize the structure for later use 307 308 memset(gDeviceInfo[found], 0, sizeof(intel_info)); 309 gDeviceInfo[found]->init_status = B_NO_INIT; 310 gDeviceInfo[found]->id = found; 311 gDeviceInfo[found]->pci = info; 312 gDeviceInfo[found]->registers = info->u.h0.base_registers[0]; 313 gDeviceInfo[found]->device_identifier = kSupportedDevices[type].name; 314 gDeviceInfo[found]->device_type = kSupportedDevices[type].type; 315 gDeviceInfo[found]->pch_info = pchInfo; 316 317 dprintf(DEVICE_NAME ": (%" B_PRId32 ") %s, revision = 0x%x\n", found, 318 kSupportedDevices[type].name, info->revision); 319 320 found++; 321 } 322 323 gDeviceNames[found] = NULL; 324 325 if (found == 0) { 326 mutex_destroy(&gLock); 327 put_module(B_AGP_GART_MODULE_NAME); 328 put_module(B_PCI_MODULE_NAME); 329 if (gPCIx86Module != NULL) { 330 gPCIx86Module = NULL; 331 put_module(B_PCI_X86_MODULE_NAME); 332 } 333 return ENODEV; 334 } 335 336 return B_OK; 337 } 338 339 340 extern "C" void 341 uninit_driver(void) 342 { 343 CALLED(); 344 345 mutex_destroy(&gLock); 346 347 // free device related structures 348 char* name; 349 for (int32 index = 0; (name = gDeviceNames[index]) != NULL; index++) { 350 free(gDeviceInfo[index]); 351 free(name); 352 } 353 354 put_module(B_AGP_GART_MODULE_NAME); 355 put_module(B_PCI_MODULE_NAME); 356 if (gPCIx86Module != NULL) { 357 gPCIx86Module = NULL; 358 put_module(B_PCI_X86_MODULE_NAME); 359 } 360 } 361 362 363 extern "C" device_hooks* 364 find_device(const char* name) 365 { 366 CALLED(); 367 368 int index; 369 for (index = 0; gDeviceNames[index] != NULL; index++) { 370 if (!strcmp(name, gDeviceNames[index])) 371 return &gDeviceHooks; 372 } 373 374 return NULL; 375 } 376