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 { 0, 0, 0, 0, 0, 0, 0 }, 121 }; 122 #endif 123 124 int radeon_agp_init(struct radeon_device *rdev) 125 { 126 #if __OS_HAS_AGP 127 struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list; 128 struct drm_agp_mode mode; 129 struct drm_agp_info info; 130 uint32_t agp_status; 131 int default_mode; 132 bool is_v3; 133 int ret; 134 135 /* Acquire AGP. */ 136 ret = drm_agp_acquire(rdev->ddev); 137 if (ret) { 138 DRM_ERROR("Unable to acquire AGP: %d\n", ret); 139 return ret; 140 } 141 142 ret = drm_agp_info(rdev->ddev, &info); 143 if (ret) { 144 drm_agp_release(rdev->ddev); 145 DRM_ERROR("Unable to get AGP info: %d\n", ret); 146 return ret; 147 } 148 149 if (rdev->ddev->agp->agp_info.aper_size < 32) { 150 drm_agp_release(rdev->ddev); 151 dev_warn(rdev->dev, "AGP aperture too small (%zuM) " 152 "need at least 32M, disabling AGP\n", 153 rdev->ddev->agp->agp_info.aper_size); 154 return -EINVAL; 155 } 156 157 mode.mode = info.mode; 158 /* chips with the agp to pcie bridge don't have the AGP_STATUS register 159 * Just use the whatever mode the host sets up. 160 */ 161 if (rdev->family <= CHIP_RV350) 162 agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode; 163 else 164 agp_status = mode.mode; 165 is_v3 = !!(agp_status & RADEON_AGPv3_MODE); 166 167 if (is_v3) { 168 default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4; 169 } else { 170 if (agp_status & RADEON_AGP_4X_MODE) { 171 default_mode = 4; 172 } else if (agp_status & RADEON_AGP_2X_MODE) { 173 default_mode = 2; 174 } else { 175 default_mode = 1; 176 } 177 } 178 179 /* Apply AGPMode Quirks */ 180 while (p && p->chip_device != 0) { 181 if (info.id_vendor == p->hostbridge_vendor && 182 info.id_device == p->hostbridge_device && 183 rdev->pdev->vendor == p->chip_vendor && 184 rdev->pdev->device == p->chip_device && 185 rdev->pdev->subsystem_vendor == p->subsys_vendor && 186 rdev->pdev->subsystem_device == p->subsys_device) { 187 default_mode = p->default_mode; 188 } 189 ++p; 190 } 191 192 if (radeon_agpmode > 0) { 193 if ((radeon_agpmode < (is_v3 ? 4 : 1)) || 194 (radeon_agpmode > (is_v3 ? 8 : 4)) || 195 (radeon_agpmode & (radeon_agpmode - 1))) { 196 DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n", 197 radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4", 198 default_mode); 199 radeon_agpmode = default_mode; 200 } else { 201 DRM_INFO("AGP mode requested: %d\n", radeon_agpmode); 202 } 203 } else { 204 radeon_agpmode = default_mode; 205 } 206 207 mode.mode &= ~RADEON_AGP_MODE_MASK; 208 if (is_v3) { 209 switch (radeon_agpmode) { 210 case 8: 211 mode.mode |= RADEON_AGPv3_8X_MODE; 212 break; 213 case 4: 214 default: 215 mode.mode |= RADEON_AGPv3_4X_MODE; 216 break; 217 } 218 } else { 219 switch (radeon_agpmode) { 220 case 4: 221 mode.mode |= RADEON_AGP_4X_MODE; 222 break; 223 case 2: 224 mode.mode |= RADEON_AGP_2X_MODE; 225 break; 226 case 1: 227 default: 228 mode.mode |= RADEON_AGP_1X_MODE; 229 break; 230 } 231 } 232 233 mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */ 234 ret = drm_agp_enable(rdev->ddev, mode); 235 if (ret) { 236 DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); 237 drm_agp_release(rdev->ddev); 238 return ret; 239 } 240 241 rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base; 242 rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20; 243 rdev->mc.gtt_start = rdev->mc.agp_base; 244 rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1; 245 dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n", 246 rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end); 247 248 /* workaround some hw issues */ 249 if (rdev->family < CHIP_R200) { 250 WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000); 251 } 252 return 0; 253 #else 254 return 0; 255 #endif 256 } 257 258 void radeon_agp_resume(struct radeon_device *rdev) 259 { 260 #if __OS_HAS_AGP 261 int r; 262 if (rdev->flags & RADEON_IS_AGP) { 263 r = radeon_agp_init(rdev); 264 if (r) 265 dev_warn(rdev->dev, "radeon AGP reinit failed\n"); 266 } 267 #endif 268 } 269 270 void radeon_agp_fini(struct radeon_device *rdev) 271 { 272 #if __OS_HAS_AGP 273 if (rdev->ddev->agp && rdev->ddev->agp->acquired) { 274 drm_agp_release(rdev->ddev); 275 } 276 #endif 277 } 278 279 void radeon_agp_suspend(struct radeon_device *rdev) 280 { 281 radeon_agp_fini(rdev); 282 } 283