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 <drm/drmP.h> 28 #include "radeon.h" 29 #include <drm/radeon_drm.h> 30 31 #if __OS_HAS_AGP 32 33 struct radeon_agpmode_quirk { 34 u32 hostbridge_vendor; 35 u32 hostbridge_device; 36 u32 chip_vendor; 37 u32 chip_device; 38 u32 subsys_vendor; 39 u32 subsys_device; 40 u32 default_mode; 41 }; 42 43 static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { 44 /* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */ 45 { PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4}, 46 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */ 47 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4}, 48 /* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */ 49 { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964, 50 0x148c, 0x2073, 4}, 51 /* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */ 52 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59, 53 PCI_VENDOR_ID_IBM, 0x052f, 1}, 54 /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */ 55 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50, 56 PCI_VENDOR_ID_IBM, 0x0550, 1}, 57 /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */ 58 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57, 59 PCI_VENDOR_ID_IBM, 0x0530, 1}, 60 /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */ 61 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54, 62 PCI_VENDOR_ID_IBM, 0x054f, 2}, 63 /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */ 64 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 65 PCI_VENDOR_ID_SONY, 0x816b, 2}, 66 /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */ 67 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 68 PCI_VENDOR_ID_SONY, 0x8195, 8}, 69 /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/ 70 { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59, 71 PCI_VENDOR_ID_DELL, 0x00e3, 2}, 72 /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */ 73 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66, 74 PCI_VENDOR_ID_DELL, 0x0149, 1}, 75 /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */ 76 { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, 77 PCI_VENDOR_ID_IBM, 0x0531, 1}, 78 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */ 79 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 80 0x1025, 0x0061, 1}, 81 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */ 82 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 83 0x1025, 0x0064, 1}, 84 /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */ 85 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 86 PCI_VENDOR_ID_ASUSTEK, 0x1942, 1}, 87 /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */ 88 { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 89 0x10cf, 0x127f, 1}, 90 /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */ 91 { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 92 0x1787, 0x5960, 4}, 93 /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */ 94 { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960, 95 0x17af, 0x2020, 4}, 96 /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */ 97 { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153, 98 PCI_VENDOR_ID_ASUSTEK, 0x003c, 4}, 99 /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */ 100 { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c, 101 PCI_VENDOR_ID_ATI, 0x013a, 2}, 102 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */ 103 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 104 PCI_VENDOR_ID_ASUSTEK, 0x004c, 2}, 105 /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */ 106 { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 107 PCI_VENDOR_ID_ASUSTEK, 0x0054, 2}, 108 /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */ 109 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d, 110 0x174b, 0x7149, 4}, 111 /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */ 112 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 113 0x1462, 0x0380, 4}, 114 /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */ 115 { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964, 116 0x148c, 0x2073, 4}, 117 /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */ 118 { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61, 119 PCI_VENDOR_ID_SONY, 0x8175, 1}, 120 /* HP Host Bridge / R300 [FireGL X1] Needs AGPMode 2 (fdo #7770) */ 121 { PCI_VENDOR_ID_HP, 0x122e, PCI_VENDOR_ID_ATI, 0x4e47, 122 PCI_VENDOR_ID_ATI, 0x0152, 2}, 123 { 0, 0, 0, 0, 0, 0, 0 }, 124 }; 125 #endif 126 127 int radeon_agp_init(struct radeon_device *rdev) 128 { 129 #if __OS_HAS_AGP 130 struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list; 131 struct drm_agp_mode mode; 132 struct drm_agp_info info; 133 uint32_t agp_status; 134 int default_mode; 135 bool is_v3; 136 int ret; 137 138 /* Acquire AGP. */ 139 ret = drm_agp_acquire(rdev->ddev); 140 if (ret) { 141 DRM_ERROR("Unable to acquire AGP: %d\n", ret); 142 return ret; 143 } 144 145 ret = drm_agp_info(rdev->ddev, &info); 146 if (ret) { 147 drm_agp_release(rdev->ddev); 148 DRM_ERROR("Unable to get AGP info: %d\n", ret); 149 return ret; 150 } 151 152 if (rdev->ddev->agp->agp_info.aper_size < 32) { 153 drm_agp_release(rdev->ddev); 154 dev_warn(rdev->dev, "AGP aperture too small (%zuM) " 155 "need at least 32M, disabling AGP\n", 156 rdev->ddev->agp->agp_info.aper_size); 157 return -EINVAL; 158 } 159 160 mode.mode = info.mode; 161 /* chips with the agp to pcie bridge don't have the AGP_STATUS register 162 * Just use the whatever mode the host sets up. 163 */ 164 if (rdev->family <= CHIP_RV350) 165 agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode; 166 else 167 agp_status = mode.mode; 168 is_v3 = !!(agp_status & RADEON_AGPv3_MODE); 169 170 if (is_v3) { 171 default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4; 172 } else { 173 if (agp_status & RADEON_AGP_4X_MODE) { 174 default_mode = 4; 175 } else if (agp_status & RADEON_AGP_2X_MODE) { 176 default_mode = 2; 177 } else { 178 default_mode = 1; 179 } 180 } 181 182 /* Apply AGPMode Quirks */ 183 while (p && p->chip_device != 0) { 184 if (info.id_vendor == p->hostbridge_vendor && 185 info.id_device == p->hostbridge_device && 186 rdev->pdev->vendor == p->chip_vendor && 187 rdev->pdev->device == p->chip_device && 188 rdev->pdev->subsystem_vendor == p->subsys_vendor && 189 rdev->pdev->subsystem_device == p->subsys_device) { 190 default_mode = p->default_mode; 191 } 192 ++p; 193 } 194 195 if (radeon_agpmode > 0) { 196 if ((radeon_agpmode < (is_v3 ? 4 : 1)) || 197 (radeon_agpmode > (is_v3 ? 8 : 4)) || 198 (radeon_agpmode & (radeon_agpmode - 1))) { 199 DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n", 200 radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4", 201 default_mode); 202 radeon_agpmode = default_mode; 203 } else { 204 DRM_INFO("AGP mode requested: %d\n", radeon_agpmode); 205 } 206 } else { 207 radeon_agpmode = default_mode; 208 } 209 210 mode.mode &= ~RADEON_AGP_MODE_MASK; 211 if (is_v3) { 212 switch (radeon_agpmode) { 213 case 8: 214 mode.mode |= RADEON_AGPv3_8X_MODE; 215 break; 216 case 4: 217 default: 218 mode.mode |= RADEON_AGPv3_4X_MODE; 219 break; 220 } 221 } else { 222 switch (radeon_agpmode) { 223 case 4: 224 mode.mode |= RADEON_AGP_4X_MODE; 225 break; 226 case 2: 227 mode.mode |= RADEON_AGP_2X_MODE; 228 break; 229 case 1: 230 default: 231 mode.mode |= RADEON_AGP_1X_MODE; 232 break; 233 } 234 } 235 236 mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */ 237 ret = drm_agp_enable(rdev->ddev, mode); 238 if (ret) { 239 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); 240 drm_agp_release(rdev->ddev); 241 return ret; 242 } 243 244 rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base; 245 rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20; 246 rdev->mc.gtt_start = rdev->mc.agp_base; 247 rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1; 248 dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", 249 rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end); 250 251 /* workaround some hw issues */ 252 if (rdev->family < CHIP_R200) { 253 WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000); 254 } 255 return 0; 256 #else 257 return 0; 258 #endif 259 } 260 261 void radeon_agp_resume(struct radeon_device *rdev) 262 { 263 #if __OS_HAS_AGP 264 int r; 265 if (rdev->flags & RADEON_IS_AGP) { 266 r = radeon_agp_init(rdev); 267 if (r) 268 dev_warn(rdev->dev, "radeon AGP reinit failed\n"); 269 } 270 #endif 271 } 272 273 void radeon_agp_fini(struct radeon_device *rdev) 274 { 275 #if __OS_HAS_AGP 276 if (rdev->ddev->agp && rdev->ddev->agp->acquired) { 277 drm_agp_release(rdev->ddev); 278 } 279 #endif 280 } 281 282 void radeon_agp_suspend(struct radeon_device *rdev) 283 { 284 radeon_agp_fini(rdev); 285 } 286