1 /* 2 * Copyright 2008 Red Hat Inc. 3 * Copyright 2009 Jerome Glisse. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Authors: 24 * Dave Airlie 25 * Jerome Glisse <glisse@freedesktop.org> 26 */ 27 #include "drmP.h" 28 #include "drm.h" 29 #include "radeon.h" 30 #include "radeon_drm.h" 31 32 #if __OS_HAS_AGP 33 34 struct radeon_agpmode_quirk { 35 u32 hostbridge_vendor; 36 u32 hostbridge_device; 37 u32 chip_vendor; 38 u32 chip_device; 39 u32 subsys_vendor; 40 u32 subsys_device; 41 u32 default_mode; 42 }; 43 44 static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { 45 /* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */ 46 { PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4}, 47 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */ 48 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4}, 49 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */ 50 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964, 51 0x148c, 0x2073, 4}, 52 /* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */ 53 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59, 54 PCI_VENDOR_ID_IBM, 0x052f, 1}, 55 /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */ 56 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50, 57 PCI_VENDOR_ID_IBM, 0x0550, 1}, 58 /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */ 59 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57, 60 PCI_VENDOR_ID_IBM, 0x0530, 1}, 61 /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */ 62 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54, 63 PCI_VENDOR_ID_IBM, 0x054f, 2}, 64 /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */ 65 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 66 PCI_VENDOR_ID_SONY, 0x816b, 2}, 67 /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */ 68 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 69 PCI_VENDOR_ID_SONY, 0x8195, 8}, 70 /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/ 71 { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59, 72 PCI_VENDOR_ID_DELL, 0x00e3, 2}, 73 /* Intel 82852/82855 host bridge / Mobility FireGL 9000 R250 Needs AGPMode 1 (lp #296617) */ 74 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66, 75 PCI_VENDOR_ID_DELL, 0x0149, 1}, 76 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */ 77 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 78 0x1025, 0x0061, 1}, 79 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */ 80 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 81 0x1025, 0x0064, 1}, 82 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */ 83 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 84 PCI_VENDOR_ID_ASUSTEK, 0x1942, 1}, 85 /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */ 86 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 87 0x10cf, 0x127f, 1}, 88 /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */ 89 { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 90 0x1787, 0x5960, 4}, 91 /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */ 92 { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960, 93 0x17af, 0x2020, 4}, 94 /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */ 95 { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153, 96 PCI_VENDOR_ID_ASUSTEK, 0x003c, 4}, 97 /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */ 98 { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c, 99 PCI_VENDOR_ID_ATI, 0x013a, 2}, 100 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */ 101 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 102 PCI_VENDOR_ID_ASUSTEK, 0x004c, 2}, 103 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */ 104 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 105 PCI_VENDOR_ID_ASUSTEK, 0x0054, 2}, 106 /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */ 107 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d, 108 0x174b, 0x7149, 4}, 109 /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */ 110 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 111 0x1462, 0x0380, 4}, 112 /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */ 113 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964, 114 0x148c, 0x2073, 4}, 115 /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */ 116 { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61, 117 PCI_VENDOR_ID_SONY, 0x8175, 1}, 118 /* HP Host Bridge / R300 [FireGL X1] Needs AGPMode 2 (fdo #7770) */ 119 { PCI_VENDOR_ID_HP, 0x122e, PCI_VENDOR_ID_ATI, 0x4e47, 120 PCI_VENDOR_ID_ATI, 0x0152, 2}, 121 { 0, 0, 0, 0, 0, 0, 0 }, 122 }; 123 #endif 124 125 int radeon_agp_init(struct radeon_device *rdev) 126 { 127 #if __OS_HAS_AGP 128 struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list; 129 struct drm_agp_mode mode; 130 struct drm_agp_info info; 131 uint32_t agp_status; 132 int default_mode; 133 bool is_v3; 134 int ret; 135 136 /* Acquire AGP. */ 137 ret = drm_agp_acquire(rdev->ddev); 138 if (ret) { 139 DRM_ERROR("Unable to acquire AGP: %d\n", ret); 140 return ret; 141 } 142 143 ret = drm_agp_info(rdev->ddev, &info); 144 if (ret) { 145 drm_agp_release(rdev->ddev); 146 DRM_ERROR("Unable to get AGP info: %d\n", ret); 147 return ret; 148 } 149 150 if (rdev->ddev->agp->agp_info.aper_size < 32) { 151 drm_agp_release(rdev->ddev); 152 dev_warn(rdev->dev, "AGP aperture too small (%zuM) " 153 "need at least 32M, disabling AGP\n", 154 rdev->ddev->agp->agp_info.aper_size); 155 return -EINVAL; 156 } 157 158 mode.mode = info.mode; 159 /* chips with the agp to pcie bridge don't have the AGP_STATUS register 160 * Just use the whatever mode the host sets up. 161 */ 162 if (rdev->family <= CHIP_RV350) 163 agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode; 164 else 165 agp_status = mode.mode; 166 is_v3 = !!(agp_status & RADEON_AGPv3_MODE); 167 168 if (is_v3) { 169 default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4; 170 } else { 171 if (agp_status & RADEON_AGP_4X_MODE) { 172 default_mode = 4; 173 } else if (agp_status & RADEON_AGP_2X_MODE) { 174 default_mode = 2; 175 } else { 176 default_mode = 1; 177 } 178 } 179 180 /* Apply AGPMode Quirks */ 181 while (p && p->chip_device != 0) { 182 if (info.id_vendor == p->hostbridge_vendor && 183 info.id_device == p->hostbridge_device && 184 rdev->pdev->vendor == p->chip_vendor && 185 rdev->pdev->device == p->chip_device && 186 rdev->pdev->subsystem_vendor == p->subsys_vendor && 187 rdev->pdev->subsystem_device == p->subsys_device) { 188 default_mode = p->default_mode; 189 } 190 ++p; 191 } 192 193 if (radeon_agpmode > 0) { 194 if ((radeon_agpmode < (is_v3 ? 4 : 1)) || 195 (radeon_agpmode > (is_v3 ? 8 : 4)) || 196 (radeon_agpmode & (radeon_agpmode - 1))) { 197 DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n", 198 radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4", 199 default_mode); 200 radeon_agpmode = default_mode; 201 } else { 202 DRM_INFO("AGP mode requested: %d\n", radeon_agpmode); 203 } 204 } else { 205 radeon_agpmode = default_mode; 206 } 207 208 mode.mode &= ~RADEON_AGP_MODE_MASK; 209 if (is_v3) { 210 switch (radeon_agpmode) { 211 case 8: 212 mode.mode |= RADEON_AGPv3_8X_MODE; 213 break; 214 case 4: 215 default: 216 mode.mode |= RADEON_AGPv3_4X_MODE; 217 break; 218 } 219 } else { 220 switch (radeon_agpmode) { 221 case 4: 222 mode.mode |= RADEON_AGP_4X_MODE; 223 break; 224 case 2: 225 mode.mode |= RADEON_AGP_2X_MODE; 226 break; 227 case 1: 228 default: 229 mode.mode |= RADEON_AGP_1X_MODE; 230 break; 231 } 232 } 233 234 mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */ 235 ret = drm_agp_enable(rdev->ddev, mode); 236 if (ret) { 237 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); 238 drm_agp_release(rdev->ddev); 239 return ret; 240 } 241 242 rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base; 243 rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20; 244 rdev->mc.gtt_start = rdev->mc.agp_base; 245 rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1; 246 dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", 247 rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end); 248 249 /* workaround some hw issues */ 250 if (rdev->family < CHIP_R200) { 251 WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000); 252 } 253 return 0; 254 #else 255 return 0; 256 #endif 257 } 258 259 void radeon_agp_resume(struct radeon_device *rdev) 260 { 261 #if __OS_HAS_AGP 262 int r; 263 if (rdev->flags & RADEON_IS_AGP) { 264 r = radeon_agp_init(rdev); 265 if (r) 266 dev_warn(rdev->dev, "radeon AGP reinit failed\n"); 267 } 268 #endif 269 } 270 271 void radeon_agp_fini(struct radeon_device *rdev) 272 { 273 #if __OS_HAS_AGP 274 if (rdev->ddev->agp && rdev->ddev->agp->acquired) { 275 drm_agp_release(rdev->ddev); 276 } 277 #endif 278 } 279 280 void radeon_agp_suspend(struct radeon_device *rdev) 281 { 282 radeon_agp_fini(rdev); 283 } 284