radeon_agp.c revision 282199
1292932Sdim/* 2292932Sdim * Copyright 2008 Red Hat Inc. 3292932Sdim * Copyright 2009 Jerome Glisse. 4292932Sdim * 5292932Sdim * Permission is hereby granted, free of charge, to any person obtaining a 6292932Sdim * copy of this software and associated documentation files (the "Software"), 7292932Sdim * to deal in the Software without restriction, including without limitation 8292932Sdim * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9292932Sdim * and/or sell copies of the Software, and to permit persons to whom the 10292932Sdim * Software is furnished to do so, subject to the following conditions: 11292932Sdim * 12292932Sdim * The above copyright notice and this permission notice shall be included in 13292932Sdim * all copies or substantial portions of the Software. 14292932Sdim * 15292932Sdim * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16292932Sdim * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17309124Sdim * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18292932Sdim * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19292932Sdim * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20292932Sdim * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21292932Sdim * OTHER DEALINGS IN THE SOFTWARE. 22292932Sdim * 23292932Sdim * Authors: 24292932Sdim * Dave Airlie 25292932Sdim * Jerome Glisse <glisse@freedesktop.org> 26292932Sdim */ 27292932Sdim 28292932Sdim#include <sys/cdefs.h> 29314564Sdim__FBSDID("$FreeBSD: stable/10/sys/dev/drm2/radeon/radeon_agp.c 282199 2015-04-28 19:35:05Z dumbbell $"); 30292932Sdim 31292932Sdim#include <dev/drm2/drmP.h> 32292932Sdim#include "radeon.h" 33292932Sdim#include <dev/drm2/radeon/radeon_drm.h> 34292932Sdim 35314564Sdim#if __OS_HAS_AGP 36292932Sdim 37292932Sdimstruct radeon_agpmode_quirk { 38292932Sdim u32 hostbridge_vendor; 39314564Sdim u32 hostbridge_device; 40292932Sdim u32 chip_vendor; 41314564Sdim u32 chip_device; 42314564Sdim u32 subsys_vendor; 43314564Sdim u32 subsys_device; 44314564Sdim u32 default_mode; 45314564Sdim}; 46314564Sdim 47314564Sdimstatic struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { 48314564Sdim /* Intel E7505 Memory Controller Hub / RV350 AR [Radeon 9600XT] Needs AGPMode 4 (deb #515326) */ 49314564Sdim { PCI_VENDOR_ID_INTEL, 0x2550, PCI_VENDOR_ID_ATI, 0x4152, 0x1458, 0x4038, 4}, 50314564Sdim /* Intel 82865G/PE/P DRAM Controller/Host-Hub / Mobility 9800 Needs AGPMode 4 (deb #462590) */ 51314564Sdim { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x4a4e, PCI_VENDOR_ID_DELL, 0x5106, 4}, 52314564Sdim /* Intel 82865G/PE/P DRAM Controller/Host-Hub / RV280 [Radeon 9200 SE] Needs AGPMode 4 (lp #300304) */ 53314564Sdim { PCI_VENDOR_ID_INTEL, 0x2570, PCI_VENDOR_ID_ATI, 0x5964, 54314564Sdim 0x148c, 0x2073, 4}, 55314564Sdim /* Intel 82855PM Processor to I/O Controller / Mobility M6 LY Needs AGPMode 1 (deb #467235) */ 56314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c59, 57314564Sdim PCI_VENDOR_ID_IBM, 0x052f, 1}, 58314564Sdim /* Intel 82855PM host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #195051) */ 59314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e50, 60314564Sdim PCI_VENDOR_ID_IBM, 0x0550, 1}, 61314564Sdim /* Intel 82855PM host bridge / Mobility M7 needs AGPMode 1 */ 62314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c57, 63314564Sdim PCI_VENDOR_ID_IBM, 0x0530, 1}, 64314564Sdim /* Intel 82855PM host bridge / FireGL Mobility T2 RV350 Needs AGPMode 2 (fdo #20647) */ 65314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4e54, 66314564Sdim PCI_VENDOR_ID_IBM, 0x054f, 2}, 67314564Sdim /* Intel 82855PM host bridge / Mobility M9+ / VaioPCG-V505DX Needs AGPMode 2 (fdo #17928) */ 68314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 69314564Sdim PCI_VENDOR_ID_SONY, 0x816b, 2}, 70314564Sdim /* Intel 82855PM Processor to I/O Controller / Mobility M9+ Needs AGPMode 8 (phoronix forum) */ 71314564Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x5c61, 72314564Sdim PCI_VENDOR_ID_SONY, 0x8195, 8}, 73314564Sdim /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/ 74314564Sdim { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59, 75314564Sdim PCI_VENDOR_ID_DELL, 0x00e3, 2}, 76314564Sdim /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */ 77314564Sdim { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66, 78314564Sdim PCI_VENDOR_ID_DELL, 0x0149, 1}, 79314564Sdim /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */ 80292932Sdim { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, 81314564Sdim PCI_VENDOR_ID_IBM, 0x0531, 1}, 82314564Sdim /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */ 83314564Sdim { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 84314564Sdim 0x1025, 0x0061, 1}, 85292932Sdim /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #203007) */ 86314564Sdim { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 87292932Sdim 0x1025, 0x0064, 1}, 88314564Sdim /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (lp #141551) */ 89292932Sdim { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 90314564Sdim PCI_VENDOR_ID_ASUSTEK, 0x1942, 1}, 91314564Sdim /* Intel 82852/82855 host bridge / Mobility 9600/9700 Needs AGPMode 1 (deb #510208) */ 92292932Sdim { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 93314564Sdim 0x10cf, 0x127f, 1}, 94314564Sdim /* ASRock K7VT4A+ AGP 8x / ATI Radeon 9250 AGP Needs AGPMode 4 (lp #133192) */ 95309124Sdim { 0x1849, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 96314564Sdim 0x1787, 0x5960, 4}, 97314564Sdim /* VIA K8M800 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (fdo #12544) */ 98314564Sdim { PCI_VENDOR_ID_VIA, 0x0204, PCI_VENDOR_ID_ATI, 0x5960, 99314564Sdim 0x17af, 0x2020, 4}, 100292932Sdim /* VIA KT880 Host Bridge / RV350 [Radeon 9550] Needs AGPMode 4 (fdo #19981) */ 101314564Sdim { PCI_VENDOR_ID_VIA, 0x0269, PCI_VENDOR_ID_ATI, 0x4153, 102292932Sdim PCI_VENDOR_ID_ASUSTEK, 0x003c, 4}, 103314564Sdim /* VIA VT8363 Host Bridge / R200 QL [Radeon 8500] Needs AGPMode 2 (lp #141551) */ 104292932Sdim { PCI_VENDOR_ID_VIA, 0x0305, PCI_VENDOR_ID_ATI, 0x514c, 105314564Sdim PCI_VENDOR_ID_ATI, 0x013a, 2}, 106314564Sdim /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 (deb #515512) */ 107292932Sdim { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 108314564Sdim PCI_VENDOR_ID_ASUSTEK, 0x004c, 2}, 109314564Sdim /* VIA VT82C693A Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 2 */ 110314564Sdim { PCI_VENDOR_ID_VIA, 0x0691, PCI_VENDOR_ID_ATI, 0x5960, 111314564Sdim PCI_VENDOR_ID_ASUSTEK, 0x0054, 2}, 112292932Sdim /* VIA VT8377 Host Bridge / R200 QM [Radeon 9100] Needs AGPMode 4 (deb #461144) */ 113314564Sdim { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x514d, 114292932Sdim 0x174b, 0x7149, 4}, 115314564Sdim /* VIA VT8377 Host Bridge / RV280 [Radeon 9200 PRO] Needs AGPMode 4 (lp #312693) */ 116292932Sdim { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5960, 117314564Sdim 0x1462, 0x0380, 4}, 118292932Sdim /* VIA VT8377 Host Bridge / RV280 Needs AGPMode 4 (ati ML) */ 119314564Sdim { PCI_VENDOR_ID_VIA, 0x3189, PCI_VENDOR_ID_ATI, 0x5964, 120292932Sdim 0x148c, 0x2073, 4}, 121314564Sdim /* ATI Host Bridge / RV280 [M9+] Needs AGPMode 1 (phoronix forum) */ 122314564Sdim { PCI_VENDOR_ID_ATI, 0xcbb2, PCI_VENDOR_ID_ATI, 0x5c61, 123292932Sdim PCI_VENDOR_ID_SONY, 0x8175, 1}, 124314564Sdim /* HP Host Bridge / R300 [FireGL X1] Needs AGPMode 2 (fdo #7770) */ 125314564Sdim { PCI_VENDOR_ID_HP, 0x122e, PCI_VENDOR_ID_ATI, 0x4e47, 126314564Sdim PCI_VENDOR_ID_ATI, 0x0152, 2}, 127292932Sdim { 0, 0, 0, 0, 0, 0, 0 }, 128314564Sdim}; 129314564Sdim#endif 130314564Sdim 131292932Sdimint radeon_agp_init(struct radeon_device *rdev) 132314564Sdim{ 133294024Sdim#if __OS_HAS_AGP 134314564Sdim struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list; 135292932Sdim struct drm_agp_mode mode; 136314564Sdim struct drm_agp_info info; 137314564Sdim uint32_t agp_status; 138292932Sdim int default_mode; 139314564Sdim bool is_v3; 140314564Sdim int ret; 141314564Sdim 142292932Sdim /* Acquire AGP. */ 143314564Sdim ret = drm_agp_acquire(rdev->ddev); 144314564Sdim if (ret) { 145314564Sdim DRM_ERROR("Unable to acquire AGP: %d\n", ret); 146309124Sdim return ret; 147314564Sdim } 148314564Sdim 149314564Sdim ret = drm_agp_info(rdev->ddev, &info); 150309124Sdim if (ret) { 151314564Sdim drm_agp_release(rdev->ddev); 152292932Sdim DRM_ERROR("Unable to get AGP info: %d\n", ret); 153314564Sdim return ret; 154292932Sdim } 155314564Sdim 156292932Sdim if ((rdev->ddev->agp->agp_info.ai_aperture_size >> 20) < 32) { 157314564Sdim drm_agp_release(rdev->ddev); 158292932Sdim dev_warn(rdev->dev, "AGP aperture too small (%zuM) " 159314564Sdim "need at least 32M, disabling AGP\n", 160292932Sdim rdev->ddev->agp->agp_info.ai_aperture_size >> 20); 161314564Sdim return -EINVAL; 162314564Sdim } 163292932Sdim 164314564Sdim mode.mode = info.mode; 165314564Sdim /* chips with the agp to pcie bridge don't have the AGP_STATUS register 166292932Sdim * Just use the whatever mode the host sets up. 167314564Sdim */ 168314564Sdim if (rdev->family <= CHIP_RV350) 169292932Sdim agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode; 170314564Sdim else 171314564Sdim agp_status = mode.mode; 172314564Sdim is_v3 = !!(agp_status & RADEON_AGPv3_MODE); 173292932Sdim 174314564Sdim if (is_v3) { 175292932Sdim default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4; 176314564Sdim } else { 177314564Sdim if (agp_status & RADEON_AGP_4X_MODE) { 178292932Sdim default_mode = 4; 179314564Sdim } else if (agp_status & RADEON_AGP_2X_MODE) { 180314564Sdim default_mode = 2; 181292932Sdim } else { 182314564Sdim default_mode = 1; 183314564Sdim } 184314564Sdim } 185314564Sdim 186314564Sdim /* Apply AGPMode Quirks */ 187292932Sdim while (p && p->chip_device != 0) { 188314564Sdim if (info.id_vendor == p->hostbridge_vendor && 189314564Sdim info.id_device == p->hostbridge_device && 190314564Sdim rdev->ddev->pci_vendor == p->chip_vendor && 191292932Sdim rdev->ddev->pci_device == p->chip_device && 192314564Sdim rdev->ddev->pci_subvendor == p->subsys_vendor && 193314564Sdim rdev->ddev->pci_subdevice == p->subsys_device) { 194292932Sdim default_mode = p->default_mode; 195314564Sdim } 196292932Sdim ++p; 197314564Sdim } 198292932Sdim 199314564Sdim if (radeon_agpmode > 0) { 200314564Sdim if ((radeon_agpmode < (is_v3 ? 4 : 1)) || 201292932Sdim (radeon_agpmode > (is_v3 ? 8 : 4)) || 202314564Sdim (radeon_agpmode & (radeon_agpmode - 1))) { 203314564Sdim DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n", 204314564Sdim radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4", 205292932Sdim default_mode); 206314564Sdim radeon_agpmode = default_mode; 207292932Sdim } else { 208314564Sdim DRM_INFO("AGP mode requested: %d\n", radeon_agpmode); 209314564Sdim } 210314564Sdim } else { 211292932Sdim radeon_agpmode = default_mode; 212314564Sdim } 213292932Sdim 214314564Sdim mode.mode &= ~RADEON_AGP_MODE_MASK; 215314564Sdim if (is_v3) { 216314564Sdim switch (radeon_agpmode) { 217292932Sdim case 8: 218314564Sdim mode.mode |= RADEON_AGPv3_8X_MODE; 219292932Sdim break; 220314564Sdim case 4: 221314564Sdim default: 222314564Sdim mode.mode |= RADEON_AGPv3_4X_MODE; 223292932Sdim break; 224314564Sdim } 225314564Sdim } else { 226314564Sdim switch (radeon_agpmode) { 227314564Sdim case 4: 228314564Sdim mode.mode |= RADEON_AGP_4X_MODE; 229314564Sdim break; 230314564Sdim case 2: 231314564Sdim mode.mode |= RADEON_AGP_2X_MODE; 232314564Sdim break; 233314564Sdim case 1: 234314564Sdim default: 235314564Sdim mode.mode |= RADEON_AGP_1X_MODE; 236314564Sdim break; 237314564Sdim } 238314564Sdim } 239314564Sdim 240314564Sdim mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */ 241314564Sdim ret = drm_agp_enable(rdev->ddev, mode); 242314564Sdim if (ret) { 243314564Sdim DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode); 244314564Sdim drm_agp_release(rdev->ddev); 245314564Sdim return ret; 246314564Sdim } 247314564Sdim 248314564Sdim rdev->mc.agp_base = rdev->ddev->agp->agp_info.ai_aperture_base; 249314564Sdim rdev->mc.gtt_size = rdev->ddev->agp->agp_info.ai_aperture_size; 250314564Sdim rdev->mc.gtt_start = rdev->mc.agp_base; 251314564Sdim rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1; 252314564Sdim dev_info(rdev->dev, "GTT: %juM 0x%08jX - 0x%08jX\n", 253314564Sdim (uintmax_t)rdev->mc.gtt_size >> 20, (uintmax_t)rdev->mc.gtt_start, (uintmax_t)rdev->mc.gtt_end); 254314564Sdim 255314564Sdim /* workaround some hw issues */ 256314564Sdim if (rdev->family < CHIP_R200) { 257314564Sdim WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000); 258314564Sdim } 259314564Sdim return 0; 260314564Sdim#else 261314564Sdim return 0; 262314564Sdim#endif 263314564Sdim} 264314564Sdim 265314564Sdimvoid radeon_agp_resume(struct radeon_device *rdev) 266314564Sdim{ 267314564Sdim#if __OS_HAS_AGP 268314564Sdim int r; 269314564Sdim if (rdev->flags & RADEON_IS_AGP) { 270314564Sdim r = radeon_agp_init(rdev); 271314564Sdim if (r) 272314564Sdim dev_warn(rdev->dev, "radeon AGP reinit failed\n"); 273314564Sdim } 274314564Sdim#endif 275314564Sdim} 276314564Sdim 277314564Sdimvoid radeon_agp_fini(struct radeon_device *rdev) 278314564Sdim{ 279314564Sdim#if __OS_HAS_AGP 280314564Sdim if (rdev->ddev->agp && rdev->ddev->agp->acquired) { 281314564Sdim drm_agp_release(rdev->ddev); 282314564Sdim } 283314564Sdim#endif 284314564Sdim} 285314564Sdim 286314564Sdimvoid radeon_agp_suspend(struct radeon_device *rdev) 287314564Sdim{ 288314564Sdim radeon_agp_fini(rdev); 289314564Sdim} 290314564Sdim