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_TYPE_83x, "i830GM"}, 46 {0x2562, INTEL_TYPE_83x, "i845G"}, 47 48 {0x2572, INTEL_TYPE_85x, "i865G"}, 49 {0x3582, INTEL_TYPE_85x, "i855G"}, 50 {0x358e, INTEL_TYPE_85x, "i855G"}, 51 52 {0x2582, INTEL_TYPE_915, "i915G"}, 53 {0x258a, INTEL_TYPE_915, "i915"}, 54 {0x2592, INTEL_TYPE_915M, "i915GM"}, 55 {0x2792, INTEL_TYPE_915, "i910"}, 56 {0x2772, INTEL_TYPE_945, "i945G"}, 57 {0x27a2, INTEL_TYPE_945M, "i945GM"}, 58 {0x27ae, INTEL_TYPE_945M, "i945GME"}, 59 {0x2972, INTEL_TYPE_965, "i946G"}, 60 {0x2982, INTEL_TYPE_965, "G35"}, 61 {0x2992, INTEL_TYPE_965, "i965Q"}, 62 {0x29a2, INTEL_TYPE_965, "i965G"}, 63 {0x2a02, INTEL_TYPE_965M, "i965GM"}, 64 {0x2a12, INTEL_TYPE_965M, "i965GME"}, 65 {0x29b2, INTEL_TYPE_G33, "G33G"}, 66 {0x29c2, INTEL_TYPE_G33, "Q35G"}, 67 {0x29d2, INTEL_TYPE_G33, "Q33G"}, 68 69 {0x2a42, INTEL_TYPE_GM45, "GM45"}, 70 {0x2e02, INTEL_TYPE_G45, "IGD"}, 71 {0x2e12, INTEL_TYPE_G45, "Q45"}, 72 {0x2e22, INTEL_TYPE_G45, "G45"}, 73 {0x2e32, INTEL_TYPE_G45, "G41"}, 74 {0x2e42, INTEL_TYPE_G45, "B43"}, 75 {0x2e92, INTEL_TYPE_G45, "B43"}, 76 77 {0xa001, INTEL_TYPE_IGDG, "Atom_Dx10"}, 78 {0xa011, INTEL_TYPE_IGDGM, "Atom_N4x0"}, 79 80 {0x0042, INTEL_TYPE_ILKG, "IronLake Desktop"}, 81 {0x0046, INTEL_TYPE_ILKGM, "IronLake Mobile"}, 82 {0x0046, INTEL_TYPE_ILKGM, "IronLake Mobile"}, 83 {0x0046, INTEL_TYPE_ILKGM, "IronLake Mobile"}, 84 85 {0x0102, INTEL_TYPE_SNBG, "SandyBridge Desktop GT1"}, 86 {0x0112, INTEL_TYPE_SNBG, "SandyBridge Desktop GT2"}, 87 {0x0122, INTEL_TYPE_SNBG, "SandyBridge Desktop GT2+"}, 88 {0x0106, INTEL_TYPE_SNBGM, "SandyBridge Mobile GT1"}, 89 {0x0116, INTEL_TYPE_SNBGM, "SandyBridge Mobile GT2"}, 90 {0x0126, INTEL_TYPE_SNBGM, "SandyBridge Mobile GT2+"}, 91 {0x010a, INTEL_TYPE_SNBGS, "SandyBridge Server"}, 92 93 {0x0152, INTEL_TYPE_IVBG, "IvyBridge Desktop GT1"}, 94 {0x0162, INTEL_TYPE_IVBG, "IvyBridge Desktop GT2"}, 95 {0x0156, INTEL_TYPE_IVBGM, "IvyBridge Mobile GT1"}, 96 {0x0166, INTEL_TYPE_IVBGM, "IvyBridge Mobile GT2"}, 97 {0x015a, INTEL_TYPE_IVBGS, "IvyBridge Server GT1"}, 98 {0x016a, INTEL_TYPE_IVBGS, "IvyBridge Server GT2"}, 99 }; 100 101 int32 api_version = B_CUR_DRIVER_API_VERSION; 102 103 char* gDeviceNames[MAX_CARDS + 1]; 104 intel_info* gDeviceInfo[MAX_CARDS]; 105 pci_module_info* gPCI; 106 agp_gart_module_info* gGART; 107 mutex gLock; 108 109 110 static status_t 111 get_next_intel_extreme(int32* _cookie, pci_info &info, uint32 &type) 112 { 113 int32 index = *_cookie; 114 115 // find devices 116 117 for (; gPCI->get_nth_pci_info(index, &info) == B_OK; index++) { 118 // check vendor 119 if (info.vendor_id != VENDOR_ID_INTEL 120 || info.class_base != PCI_display 121 || info.class_sub != PCI_vga) 122 continue; 123 124 // check device 125 for (uint32 i = 0; i < sizeof(kSupportedDevices) 126 / sizeof(kSupportedDevices[0]); i++) { 127 if (info.device_id == kSupportedDevices[i].device_id) { 128 type = i; 129 *_cookie = index + 1; 130 return B_OK; 131 } 132 } 133 } 134 135 return B_ENTRY_NOT_FOUND; 136 } 137 138 139 extern "C" const char** 140 publish_devices(void) 141 { 142 CALLED(); 143 return (const char**)gDeviceNames; 144 } 145 146 147 extern "C" status_t 148 init_hardware(void) 149 { 150 CALLED(); 151 152 status_t status = get_module(B_PCI_MODULE_NAME,(module_info**)&gPCI); 153 if (status != B_OK) { 154 ERROR("pci module unavailable\n"); 155 return status; 156 } 157 158 int32 cookie = 0; 159 uint32 type; 160 pci_info info; 161 status = get_next_intel_extreme(&cookie, info, type); 162 163 put_module(B_PCI_MODULE_NAME); 164 return status; 165 } 166 167 168 extern "C" status_t 169 init_driver(void) 170 { 171 CALLED(); 172 173 status_t status = get_module(B_PCI_MODULE_NAME, (module_info**)&gPCI); 174 if (status != B_OK) { 175 ERROR("pci module unavailable\n"); 176 return status; 177 } 178 179 status = get_module(B_AGP_GART_MODULE_NAME, (module_info**)&gGART); 180 if (status != B_OK) { 181 ERROR("AGP GART module unavailable\n"); 182 put_module(B_PCI_MODULE_NAME); 183 return status; 184 } 185 186 mutex_init(&gLock, "intel extreme ksync"); 187 188 // find devices 189 190 int32 found = 0; 191 192 for (int32 cookie = 0; found < MAX_CARDS;) { 193 pci_info* info = (pci_info*)malloc(sizeof(pci_info)); 194 if (info == NULL) 195 break; 196 197 uint32 type; 198 status = get_next_intel_extreme(&cookie, *info, type); 199 if (status < B_OK) { 200 free(info); 201 break; 202 } 203 204 // create device names & allocate device info structure 205 206 char name[64]; 207 sprintf(name, "graphics/intel_extreme_%02x%02x%02x", 208 info->bus, info->device, 209 info->function); 210 211 gDeviceNames[found] = strdup(name); 212 if (gDeviceNames[found] == NULL) 213 break; 214 215 gDeviceInfo[found] = (intel_info*)malloc(sizeof(intel_info)); 216 if (gDeviceInfo[found] == NULL) { 217 free(gDeviceNames[found]); 218 break; 219 } 220 221 // initialize the structure for later use 222 223 memset(gDeviceInfo[found], 0, sizeof(intel_info)); 224 gDeviceInfo[found]->init_status = B_NO_INIT; 225 gDeviceInfo[found]->id = found; 226 gDeviceInfo[found]->pci = info; 227 gDeviceInfo[found]->registers = info->u.h0.base_registers[0]; 228 gDeviceInfo[found]->device_identifier = kSupportedDevices[type].name; 229 gDeviceInfo[found]->device_type = kSupportedDevices[type].type; 230 231 dprintf(DEVICE_NAME ": (%ld) %s, revision = 0x%x\n", found, 232 kSupportedDevices[type].name, info->revision); 233 234 found++; 235 } 236 237 gDeviceNames[found] = NULL; 238 239 if (found == 0) { 240 mutex_destroy(&gLock); 241 put_module(B_AGP_GART_MODULE_NAME); 242 put_module(B_PCI_MODULE_NAME); 243 return ENODEV; 244 } 245 246 return B_OK; 247 } 248 249 250 extern "C" void 251 uninit_driver(void) 252 { 253 CALLED(); 254 255 mutex_destroy(&gLock); 256 257 // free device related structures 258 char* name; 259 for (int32 index = 0; (name = gDeviceNames[index]) != NULL; index++) { 260 free(gDeviceInfo[index]); 261 free(name); 262 } 263 264 put_module(B_AGP_GART_MODULE_NAME); 265 put_module(B_PCI_MODULE_NAME); 266 } 267 268 269 extern "C" device_hooks* 270 find_device(const char* name) 271 { 272 CALLED(); 273 274 int index; 275 for (index = 0; gDeviceNames[index] != NULL; index++) { 276 if (!strcmp(name, gDeviceNames[index])) 277 return &gDeviceHooks; 278 } 279 280 return NULL; 281 } 282 283