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 {0x0152, INTEL_MODEL_IVBGS, "IvyBridge Server"}, 100 {0x015a, INTEL_MODEL_IVBGS, "IvyBridge Server GT1"}, 101 {0x016a, INTEL_MODEL_IVBGS, "IvyBridge Server GT2"}, 102 103 {0x0412, INTEL_MODEL_HAS, "Haswell Desktop"}, 104 {0x0416, INTEL_MODEL_HASM, "Haswell Mobile"}, 105 {0x0d26, INTEL_MODEL_HASM, "Haswell Mobile"}, 106 {0x0a16, INTEL_MODEL_HASM, "Haswell Mobile"}, 107 108 #if 0 109 // The driver does not make any attempt to handle this modern hardware. 110 // Better let VESA/UEFI do it. 111 {0x0155, INTEL_MODEL_VLV, "ValleyView Desktop"}, 112 {0x0f30, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 113 {0x0f31, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 114 {0x0f32, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 115 {0x0f33, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 116 {0x0157, INTEL_MODEL_VLVM, "ValleyView Mobile"}, 117 118 // {0x1616, INTEL_MODEL_BDWM, "HD Graphics 5500 (Broadwell GT2)"}, 119 120 {0x1902, INTEL_MODEL_SKY, "Skylake GT1"}, 121 {0x1906, INTEL_MODEL_SKYM, "Skylake GT1"}, 122 {0x190a, INTEL_MODEL_SKYS, "Skylake GT1"}, 123 {0x190b, INTEL_MODEL_SKY, "Skylake GT1"}, 124 {0x190e, INTEL_MODEL_SKYM, "Skylake GT1"}, 125 {0x1912, INTEL_MODEL_SKY, "Skylake GT2"}, 126 {0x1916, INTEL_MODEL_SKYM, "Skylake GT2"}, 127 {0x191a, INTEL_MODEL_SKYS, "Skylake GT2"}, 128 {0x191b, INTEL_MODEL_SKY, "Skylake GT2"}, 129 {0x191d, INTEL_MODEL_SKY, "Skylake GT2"}, 130 {0x191e, INTEL_MODEL_SKYM, "Skylake GT2"}, 131 {0x1921, INTEL_MODEL_SKYM, "Skylake GT2F"}, 132 {0x1926, INTEL_MODEL_SKYM, "Skylake GT3"}, 133 {0x192a, INTEL_MODEL_SKYS, "Skylake GT3"}, 134 {0x192b, INTEL_MODEL_SKY, "Skylake GT3"}, 135 #endif 136 }; 137 138 int32 api_version = B_CUR_DRIVER_API_VERSION; 139 140 char* gDeviceNames[MAX_CARDS + 1]; 141 intel_info* gDeviceInfo[MAX_CARDS]; 142 pci_module_info* gPCI; 143 pci_x86_module_info* gPCIx86Module = NULL; 144 agp_gart_module_info* gGART; 145 mutex gLock; 146 147 148 static status_t 149 get_next_intel_extreme(int32* _cookie, pci_info &info, uint32 &type) 150 { 151 int32 index = *_cookie; 152 153 // find devices 154 155 for (; gPCI->get_nth_pci_info(index, &info) == B_OK; index++) { 156 // check vendor 157 if (info.vendor_id != VENDOR_ID_INTEL 158 || info.class_base != PCI_display 159 || info.class_sub != PCI_vga) 160 continue; 161 162 // check device 163 for (uint32 i = 0; i < sizeof(kSupportedDevices) 164 / sizeof(kSupportedDevices[0]); i++) { 165 if (info.device_id == kSupportedDevices[i].device_id) { 166 type = i; 167 *_cookie = index + 1; 168 return B_OK; 169 } 170 } 171 } 172 173 return B_ENTRY_NOT_FOUND; 174 } 175 176 177 static enum pch_info 178 detect_intel_pch() 179 { 180 pci_info info; 181 182 // find devices 183 for (int32 i = 0; gPCI->get_nth_pci_info(i, &info) == B_OK; i++) { 184 // check vendor 185 if (info.vendor_id != VENDOR_ID_INTEL 186 || info.class_base != PCI_bridge 187 || info.class_sub != PCI_isa) { 188 continue; 189 } 190 191 // check device 192 unsigned short id = info.device_id & INTEL_PCH_DEVICE_ID_MASK; 193 switch(id) { 194 case INTEL_PCH_IBX_DEVICE_ID: 195 ERROR("%s: Found Ibex Peak PCH\n", __func__); 196 return INTEL_PCH_IBX; 197 case INTEL_PCH_CPT_DEVICE_ID: 198 ERROR("%s: Found CougarPoint PCH\n", __func__); 199 return INTEL_PCH_CPT; 200 case INTEL_PCH_PPT_DEVICE_ID: 201 ERROR("%s: Found PantherPoint PCH\n", __func__); 202 return INTEL_PCH_CPT; 203 case INTEL_PCH_LPT_DEVICE_ID: 204 case INTEL_PCH_LPT_LP_DEVICE_ID: 205 case INTEL_PCH_WPT_DEVICE_ID: 206 case INTEL_PCH_WPT_LP_DEVICE_ID: 207 // WildcatPoint is LPT compatible 208 ERROR("%s: Found LynxPoint PCH\n", __func__); 209 return INTEL_PCH_LPT; 210 case INTEL_PCH_SPT_DEVICE_ID: 211 case INTEL_PCH_SPT_LP_DEVICE_ID: 212 ERROR("%s: Found SunrisePoint PCH\n", __func__); 213 return INTEL_PCH_SPT; 214 case INTEL_PCH_KBP_DEVICE_ID: 215 ERROR("%s: Found Kaby Lake PCH\n", __func__); 216 return INTEL_PCH_KBP; 217 case INTEL_PCH_CNP_DEVICE_ID: 218 case INTEL_PCH_CNP_LP_DEVICE_ID: 219 ERROR("%s: Found Cannon Lake PCH\n", __func__); 220 return INTEL_PCH_CNP; 221 case INTEL_PCH_ICP_DEVICE_ID: 222 ERROR("%s: Found Ice Lake PCH\n", __func__); 223 return INTEL_PCH_ICP; 224 } 225 } 226 227 ERROR("%s: No PCH detected.\n", __func__); 228 return INTEL_PCH_NONE; 229 } 230 231 232 extern "C" const char** 233 publish_devices(void) 234 { 235 CALLED(); 236 return (const char**)gDeviceNames; 237 } 238 239 240 extern "C" status_t 241 init_hardware(void) 242 { 243 CALLED(); 244 245 status_t status = get_module(B_PCI_MODULE_NAME,(module_info**)&gPCI); 246 if (status != B_OK) { 247 ERROR("pci module unavailable\n"); 248 return status; 249 } 250 251 int32 cookie = 0; 252 uint32 type; 253 pci_info info; 254 status = get_next_intel_extreme(&cookie, info, type); 255 256 put_module(B_PCI_MODULE_NAME); 257 return status; 258 } 259 260 261 extern "C" status_t 262 init_driver(void) 263 { 264 CALLED(); 265 266 status_t status = get_module(B_PCI_MODULE_NAME, (module_info**)&gPCI); 267 if (status != B_OK) { 268 ERROR("pci module unavailable\n"); 269 return status; 270 } 271 272 status = get_module(B_AGP_GART_MODULE_NAME, (module_info**)&gGART); 273 if (status != B_OK) { 274 ERROR("AGP GART module unavailable\n"); 275 put_module(B_PCI_MODULE_NAME); 276 return status; 277 } 278 279 mutex_init(&gLock, "intel extreme ksync"); 280 281 // Try to get the PCI x86 module as well so we can enable possible MSIs. 282 if (get_module(B_PCI_X86_MODULE_NAME, 283 (module_info **)&gPCIx86Module) != B_OK) { 284 ERROR("failed to get pci x86 module\n"); 285 gPCIx86Module = NULL; 286 } 287 288 // find the PCH device (if any) 289 enum pch_info pchInfo = detect_intel_pch(); 290 291 // find devices 292 293 int32 found = 0; 294 295 for (int32 cookie = 0; found < MAX_CARDS;) { 296 pci_info* info = (pci_info*)malloc(sizeof(pci_info)); 297 if (info == NULL) 298 break; 299 300 uint32 type; 301 status = get_next_intel_extreme(&cookie, *info, type); 302 if (status < B_OK) { 303 free(info); 304 break; 305 } 306 307 // create device names & allocate device info structure 308 309 char name[64]; 310 sprintf(name, "graphics/intel_extreme_%02x%02x%02x", 311 info->bus, info->device, 312 info->function); 313 314 gDeviceNames[found] = strdup(name); 315 if (gDeviceNames[found] == NULL) 316 break; 317 318 gDeviceInfo[found] = (intel_info*)malloc(sizeof(intel_info)); 319 if (gDeviceInfo[found] == NULL) { 320 free(gDeviceNames[found]); 321 break; 322 } 323 324 // initialize the structure for later use 325 326 memset(gDeviceInfo[found], 0, sizeof(intel_info)); 327 gDeviceInfo[found]->init_status = B_NO_INIT; 328 gDeviceInfo[found]->id = found; 329 gDeviceInfo[found]->pci = info; 330 gDeviceInfo[found]->registers = info->u.h0.base_registers[0]; 331 gDeviceInfo[found]->device_identifier = kSupportedDevices[type].name; 332 gDeviceInfo[found]->device_type = kSupportedDevices[type].type; 333 gDeviceInfo[found]->pch_info = pchInfo; 334 335 dprintf(DEVICE_NAME ": (%" B_PRId32 ") %s, revision = 0x%x\n", found, 336 kSupportedDevices[type].name, info->revision); 337 338 found++; 339 } 340 341 gDeviceNames[found] = NULL; 342 343 if (found == 0) { 344 mutex_destroy(&gLock); 345 put_module(B_AGP_GART_MODULE_NAME); 346 put_module(B_PCI_MODULE_NAME); 347 if (gPCIx86Module != NULL) { 348 gPCIx86Module = NULL; 349 put_module(B_PCI_X86_MODULE_NAME); 350 } 351 return ENODEV; 352 } 353 354 return B_OK; 355 } 356 357 358 extern "C" void 359 uninit_driver(void) 360 { 361 CALLED(); 362 363 mutex_destroy(&gLock); 364 365 // free device related structures 366 char* name; 367 for (int32 index = 0; (name = gDeviceNames[index]) != NULL; index++) { 368 free(gDeviceInfo[index]); 369 free(name); 370 } 371 372 put_module(B_AGP_GART_MODULE_NAME); 373 put_module(B_PCI_MODULE_NAME); 374 if (gPCIx86Module != NULL) { 375 gPCIx86Module = NULL; 376 put_module(B_PCI_X86_MODULE_NAME); 377 } 378 } 379 380 381 extern "C" device_hooks* 382 find_device(const char* name) 383 { 384 CALLED(); 385 386 int index; 387 for (index = 0; gDeviceNames[index] != NULL; index++) { 388 if (!strcmp(name, gDeviceNames[index])) 389 return &gDeviceHooks; 390 } 391 392 return NULL; 393 } 394