Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- |
| 2 | */ |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 3 | /* |
Dave Airlie | bc54fd1 | 2005-06-23 22:46:46 +1000 | [diff] [blame] | 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| 6 | * All Rights Reserved. |
Dave Airlie | bc54fd1 | 2005-06-23 22:46:46 +1000 | [diff] [blame] | 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | * copy of this software and associated documentation files (the |
| 10 | * "Software"), to deal in the Software without restriction, including |
| 11 | * without limitation the rights to use, copy, modify, merge, publish, |
| 12 | * distribute, sub license, and/or sell copies of the Software, and to |
| 13 | * permit persons to whom the Software is furnished to do so, subject to |
| 14 | * the following conditions: |
| 15 | * |
| 16 | * The above copyright notice and this permission notice (including the |
| 17 | * next paragraph) shall be included in all copies or substantial portions |
| 18 | * of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 21 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 23 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 24 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 25 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 26 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 27 | * |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 28 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
| 30 | #include "drmP.h" |
| 31 | #include "drm.h" |
| 32 | #include "i915_drm.h" |
| 33 | #include "i915_drv.h" |
| 34 | |
| 35 | #include "drm_pciids.h" |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | static struct pci_device_id pciidlist[] = { |
| 38 | i915_PCI_IDS |
| 39 | }; |
| 40 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 41 | enum pipe { |
| 42 | PIPE_A = 0, |
| 43 | PIPE_B, |
| 44 | }; |
| 45 | |
| 46 | static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) |
| 47 | { |
| 48 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 49 | |
| 50 | if (pipe == PIPE_A) |
| 51 | return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); |
| 52 | else |
| 53 | return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE); |
| 54 | } |
| 55 | |
| 56 | static void i915_save_palette(struct drm_device *dev, enum pipe pipe) |
| 57 | { |
| 58 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 59 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 60 | u32 *array; |
| 61 | int i; |
| 62 | |
| 63 | if (!i915_pipe_enabled(dev, pipe)) |
| 64 | return; |
| 65 | |
| 66 | if (pipe == PIPE_A) |
| 67 | array = dev_priv->save_palette_a; |
| 68 | else |
| 69 | array = dev_priv->save_palette_b; |
| 70 | |
| 71 | for(i = 0; i < 256; i++) |
| 72 | array[i] = I915_READ(reg + (i << 2)); |
| 73 | } |
| 74 | |
| 75 | static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) |
| 76 | { |
| 77 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 78 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 79 | u32 *array; |
| 80 | int i; |
| 81 | |
| 82 | if (!i915_pipe_enabled(dev, pipe)) |
| 83 | return; |
| 84 | |
| 85 | if (pipe == PIPE_A) |
| 86 | array = dev_priv->save_palette_a; |
| 87 | else |
| 88 | array = dev_priv->save_palette_b; |
| 89 | |
| 90 | for(i = 0; i < 256; i++) |
| 91 | I915_WRITE(reg + (i << 2), array[i]); |
| 92 | } |
| 93 | |
| 94 | static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg) |
| 95 | { |
| 96 | outb(reg, index_port); |
| 97 | return inb(data_port); |
| 98 | } |
| 99 | |
| 100 | static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable) |
| 101 | { |
| 102 | inb(st01); |
| 103 | outb(palette_enable | reg, VGA_AR_INDEX); |
| 104 | return inb(VGA_AR_DATA_READ); |
| 105 | } |
| 106 | |
| 107 | static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable) |
| 108 | { |
| 109 | inb(st01); |
| 110 | outb(palette_enable | reg, VGA_AR_INDEX); |
| 111 | outb(val, VGA_AR_DATA_WRITE); |
| 112 | } |
| 113 | |
| 114 | static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val) |
| 115 | { |
| 116 | outb(reg, index_port); |
| 117 | outb(val, data_port); |
| 118 | } |
| 119 | |
| 120 | static void i915_save_vga(struct drm_device *dev) |
| 121 | { |
| 122 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 123 | int i; |
| 124 | u16 cr_index, cr_data, st01; |
| 125 | |
| 126 | /* VGA color palette registers */ |
| 127 | dev_priv->saveDACMASK = inb(VGA_DACMASK); |
| 128 | /* DACCRX automatically increments during read */ |
| 129 | outb(0, VGA_DACRX); |
| 130 | /* Read 3 bytes of color data from each index */ |
| 131 | for (i = 0; i < 256 * 3; i++) |
| 132 | dev_priv->saveDACDATA[i] = inb(VGA_DACDATA); |
| 133 | |
| 134 | /* MSR bits */ |
| 135 | dev_priv->saveMSR = inb(VGA_MSR_READ); |
| 136 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 137 | cr_index = VGA_CR_INDEX_CGA; |
| 138 | cr_data = VGA_CR_DATA_CGA; |
| 139 | st01 = VGA_ST01_CGA; |
| 140 | } else { |
| 141 | cr_index = VGA_CR_INDEX_MDA; |
| 142 | cr_data = VGA_CR_DATA_MDA; |
| 143 | st01 = VGA_ST01_MDA; |
| 144 | } |
| 145 | |
| 146 | /* CRT controller regs */ |
| 147 | i915_write_indexed(cr_index, cr_data, 0x11, |
| 148 | i915_read_indexed(cr_index, cr_data, 0x11) & |
| 149 | (~0x80)); |
| 150 | for (i = 0; i < 0x24; i++) |
| 151 | dev_priv->saveCR[i] = |
| 152 | i915_read_indexed(cr_index, cr_data, i); |
| 153 | /* Make sure we don't turn off CR group 0 writes */ |
| 154 | dev_priv->saveCR[0x11] &= ~0x80; |
| 155 | |
| 156 | /* Attribute controller registers */ |
| 157 | inb(st01); |
| 158 | dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX); |
| 159 | for (i = 0; i < 20; i++) |
| 160 | dev_priv->saveAR[i] = i915_read_ar(st01, i, 0); |
| 161 | inb(st01); |
| 162 | outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX); |
Jesse Barnes | da636ad | 2008-01-28 21:05:22 -0800 | [diff] [blame] | 163 | inb(st01); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 164 | |
| 165 | /* Graphics controller registers */ |
| 166 | for (i = 0; i < 9; i++) |
| 167 | dev_priv->saveGR[i] = |
| 168 | i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i); |
| 169 | |
| 170 | dev_priv->saveGR[0x10] = |
| 171 | i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10); |
| 172 | dev_priv->saveGR[0x11] = |
| 173 | i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11); |
| 174 | dev_priv->saveGR[0x18] = |
| 175 | i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18); |
| 176 | |
| 177 | /* Sequencer registers */ |
| 178 | for (i = 0; i < 8; i++) |
| 179 | dev_priv->saveSR[i] = |
| 180 | i915_read_indexed(VGA_SR_INDEX, VGA_SR_DATA, i); |
| 181 | } |
| 182 | |
| 183 | static void i915_restore_vga(struct drm_device *dev) |
| 184 | { |
| 185 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 186 | int i; |
| 187 | u16 cr_index, cr_data, st01; |
| 188 | |
| 189 | /* MSR bits */ |
| 190 | outb(dev_priv->saveMSR, VGA_MSR_WRITE); |
| 191 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 192 | cr_index = VGA_CR_INDEX_CGA; |
| 193 | cr_data = VGA_CR_DATA_CGA; |
| 194 | st01 = VGA_ST01_CGA; |
| 195 | } else { |
| 196 | cr_index = VGA_CR_INDEX_MDA; |
| 197 | cr_data = VGA_CR_DATA_MDA; |
| 198 | st01 = VGA_ST01_MDA; |
| 199 | } |
| 200 | |
| 201 | /* Sequencer registers, don't write SR07 */ |
| 202 | for (i = 0; i < 7; i++) |
| 203 | i915_write_indexed(VGA_SR_INDEX, VGA_SR_DATA, i, |
| 204 | dev_priv->saveSR[i]); |
| 205 | |
| 206 | /* CRT controller regs */ |
| 207 | /* Enable CR group 0 writes */ |
| 208 | i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]); |
| 209 | for (i = 0; i < 0x24; i++) |
| 210 | i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]); |
| 211 | |
| 212 | /* Graphics controller regs */ |
| 213 | for (i = 0; i < 9; i++) |
| 214 | i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i, |
| 215 | dev_priv->saveGR[i]); |
| 216 | |
| 217 | i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10, |
| 218 | dev_priv->saveGR[0x10]); |
| 219 | i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11, |
| 220 | dev_priv->saveGR[0x11]); |
| 221 | i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18, |
| 222 | dev_priv->saveGR[0x18]); |
| 223 | |
| 224 | /* Attribute controller registers */ |
| 225 | for (i = 0; i < 20; i++) |
| 226 | i915_write_ar(st01, i, dev_priv->saveAR[i], 0); |
| 227 | inb(st01); /* switch back to index mode */ |
| 228 | outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX); |
Jesse Barnes | da636ad | 2008-01-28 21:05:22 -0800 | [diff] [blame] | 229 | inb(st01); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 230 | |
| 231 | /* VGA color palette registers */ |
| 232 | outb(dev_priv->saveDACMASK, VGA_DACMASK); |
| 233 | /* DACCRX automatically increments during read */ |
| 234 | outb(0, VGA_DACWX); |
| 235 | /* Read 3 bytes of color data from each index */ |
| 236 | for (i = 0; i < 256 * 3; i++) |
| 237 | outb(dev_priv->saveDACDATA[i], VGA_DACDATA); |
| 238 | |
| 239 | } |
| 240 | |
Dave Airlie | b932ccb | 2008-02-20 10:02:20 +1000 | [diff] [blame] | 241 | static int i915_suspend(struct drm_device *dev, pm_message_t state) |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 242 | { |
| 243 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 244 | int i; |
| 245 | |
| 246 | if (!dev || !dev_priv) { |
| 247 | printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv); |
| 248 | printk(KERN_ERR "DRM not initialized, aborting suspend.\n"); |
| 249 | return -ENODEV; |
| 250 | } |
| 251 | |
Dave Airlie | b932ccb | 2008-02-20 10:02:20 +1000 | [diff] [blame] | 252 | if (state.event == PM_EVENT_PRETHAW) |
| 253 | return 0; |
| 254 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 255 | pci_save_state(dev->pdev); |
| 256 | pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); |
| 257 | |
| 258 | /* Pipe & plane A info */ |
| 259 | dev_priv->savePIPEACONF = I915_READ(PIPEACONF); |
| 260 | dev_priv->savePIPEASRC = I915_READ(PIPEASRC); |
| 261 | dev_priv->saveFPA0 = I915_READ(FPA0); |
| 262 | dev_priv->saveFPA1 = I915_READ(FPA1); |
| 263 | dev_priv->saveDPLL_A = I915_READ(DPLL_A); |
| 264 | if (IS_I965G(dev)) |
| 265 | dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); |
| 266 | dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); |
| 267 | dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); |
| 268 | dev_priv->saveHSYNC_A = I915_READ(HSYNC_A); |
| 269 | dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); |
| 270 | dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); |
| 271 | dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); |
| 272 | dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); |
| 273 | |
| 274 | dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); |
| 275 | dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); |
| 276 | dev_priv->saveDSPASIZE = I915_READ(DSPASIZE); |
| 277 | dev_priv->saveDSPAPOS = I915_READ(DSPAPOS); |
| 278 | dev_priv->saveDSPABASE = I915_READ(DSPABASE); |
| 279 | if (IS_I965G(dev)) { |
| 280 | dev_priv->saveDSPASURF = I915_READ(DSPASURF); |
| 281 | dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF); |
| 282 | } |
| 283 | i915_save_palette(dev, PIPE_A); |
Jesse Barnes | 0da3ea1 | 2008-02-20 09:39:58 +1000 | [diff] [blame] | 284 | dev_priv->savePIPEASTAT = I915_READ(I915REG_PIPEASTAT); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 285 | |
| 286 | /* Pipe & plane B info */ |
| 287 | dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); |
| 288 | dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); |
| 289 | dev_priv->saveFPB0 = I915_READ(FPB0); |
| 290 | dev_priv->saveFPB1 = I915_READ(FPB1); |
| 291 | dev_priv->saveDPLL_B = I915_READ(DPLL_B); |
| 292 | if (IS_I965G(dev)) |
| 293 | dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); |
| 294 | dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); |
| 295 | dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); |
| 296 | dev_priv->saveHSYNC_B = I915_READ(HSYNC_B); |
| 297 | dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); |
| 298 | dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); |
| 299 | dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); |
| 300 | dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); |
| 301 | |
| 302 | dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); |
| 303 | dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); |
| 304 | dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE); |
| 305 | dev_priv->saveDSPBPOS = I915_READ(DSPBPOS); |
| 306 | dev_priv->saveDSPBBASE = I915_READ(DSPBBASE); |
Zhenyu Wang | 5f5f9d4 | 2008-01-24 16:46:36 +1000 | [diff] [blame] | 307 | if (IS_I965GM(dev) || IS_IGD_GM(dev)) { |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 308 | dev_priv->saveDSPBSURF = I915_READ(DSPBSURF); |
| 309 | dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF); |
| 310 | } |
| 311 | i915_save_palette(dev, PIPE_B); |
Jesse Barnes | 0da3ea1 | 2008-02-20 09:39:58 +1000 | [diff] [blame] | 312 | dev_priv->savePIPEBSTAT = I915_READ(I915REG_PIPEBSTAT); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 313 | |
| 314 | /* CRT state */ |
| 315 | dev_priv->saveADPA = I915_READ(ADPA); |
| 316 | |
| 317 | /* LVDS state */ |
| 318 | dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); |
| 319 | dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); |
| 320 | dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); |
| 321 | if (IS_I965G(dev)) |
| 322 | dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); |
| 323 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
| 324 | dev_priv->saveLVDS = I915_READ(LVDS); |
| 325 | if (!IS_I830(dev) && !IS_845G(dev)) |
| 326 | dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); |
| 327 | dev_priv->saveLVDSPP_ON = I915_READ(LVDSPP_ON); |
| 328 | dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF); |
| 329 | dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE); |
| 330 | |
| 331 | /* FIXME: save TV & SDVO state */ |
| 332 | |
| 333 | /* FBC state */ |
| 334 | dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); |
| 335 | dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); |
| 336 | dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); |
| 337 | dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); |
| 338 | |
Jesse Barnes | 0da3ea1 | 2008-02-20 09:39:58 +1000 | [diff] [blame] | 339 | /* Interrupt state */ |
| 340 | dev_priv->saveIIR = I915_READ(I915REG_INT_IDENTITY_R); |
| 341 | dev_priv->saveIER = I915_READ(I915REG_INT_ENABLE_R); |
| 342 | dev_priv->saveIMR = I915_READ(I915REG_INT_MASK_R); |
| 343 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 344 | /* VGA state */ |
| 345 | dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0); |
| 346 | dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1); |
| 347 | dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV); |
| 348 | dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); |
| 349 | |
Keith Packard | 1f84e55 | 2008-02-16 19:19:29 -0800 | [diff] [blame] | 350 | /* Clock gating state */ |
| 351 | dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D); |
| 352 | |
| 353 | /* Cache mode state */ |
| 354 | dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); |
| 355 | |
| 356 | /* Memory Arbitration state */ |
| 357 | dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); |
| 358 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 359 | /* Scratch space */ |
| 360 | for (i = 0; i < 16; i++) { |
| 361 | dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2)); |
| 362 | dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2)); |
| 363 | } |
| 364 | for (i = 0; i < 3; i++) |
| 365 | dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); |
| 366 | |
| 367 | i915_save_vga(dev); |
| 368 | |
Dave Airlie | b932ccb | 2008-02-20 10:02:20 +1000 | [diff] [blame] | 369 | if (state.event == PM_EVENT_SUSPEND) { |
| 370 | /* Shut down the device */ |
| 371 | pci_disable_device(dev->pdev); |
| 372 | pci_set_power_state(dev->pdev, PCI_D3hot); |
| 373 | } |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 374 | |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | static int i915_resume(struct drm_device *dev) |
| 379 | { |
| 380 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 381 | int i; |
| 382 | |
| 383 | pci_set_power_state(dev->pdev, PCI_D0); |
| 384 | pci_restore_state(dev->pdev); |
| 385 | if (pci_enable_device(dev->pdev)) |
| 386 | return -1; |
| 387 | |
| 388 | pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); |
| 389 | |
| 390 | /* Pipe & plane A info */ |
| 391 | /* Prime the clock */ |
| 392 | if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { |
| 393 | I915_WRITE(DPLL_A, dev_priv->saveDPLL_A & |
| 394 | ~DPLL_VCO_ENABLE); |
| 395 | udelay(150); |
| 396 | } |
| 397 | I915_WRITE(FPA0, dev_priv->saveFPA0); |
| 398 | I915_WRITE(FPA1, dev_priv->saveFPA1); |
| 399 | /* Actually enable it */ |
| 400 | I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); |
| 401 | udelay(150); |
| 402 | if (IS_I965G(dev)) |
| 403 | I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); |
| 404 | udelay(150); |
| 405 | |
| 406 | /* Restore mode */ |
| 407 | I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A); |
| 408 | I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A); |
| 409 | I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A); |
| 410 | I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); |
| 411 | I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); |
| 412 | I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); |
| 413 | I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); |
| 414 | |
| 415 | /* Restore plane info */ |
| 416 | I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); |
| 417 | I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS); |
| 418 | I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC); |
| 419 | I915_WRITE(DSPABASE, dev_priv->saveDSPABASE); |
| 420 | I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE); |
| 421 | if (IS_I965G(dev)) { |
| 422 | I915_WRITE(DSPASURF, dev_priv->saveDSPASURF); |
| 423 | I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF); |
| 424 | } |
| 425 | |
Jesse Barnes | c0c4261 | 2008-02-07 17:33:28 -0800 | [diff] [blame] | 426 | I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 427 | |
| 428 | i915_restore_palette(dev, PIPE_A); |
| 429 | /* Enable the plane */ |
| 430 | I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR); |
| 431 | I915_WRITE(DSPABASE, I915_READ(DSPABASE)); |
| 432 | |
| 433 | /* Pipe & plane B info */ |
| 434 | if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { |
| 435 | I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & |
| 436 | ~DPLL_VCO_ENABLE); |
| 437 | udelay(150); |
| 438 | } |
| 439 | I915_WRITE(FPB0, dev_priv->saveFPB0); |
| 440 | I915_WRITE(FPB1, dev_priv->saveFPB1); |
| 441 | /* Actually enable it */ |
| 442 | I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); |
| 443 | udelay(150); |
| 444 | if (IS_I965G(dev)) |
| 445 | I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); |
| 446 | udelay(150); |
| 447 | |
| 448 | /* Restore mode */ |
| 449 | I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B); |
| 450 | I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B); |
| 451 | I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B); |
| 452 | I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); |
| 453 | I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); |
| 454 | I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); |
| 455 | I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); |
| 456 | |
| 457 | /* Restore plane info */ |
| 458 | I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); |
| 459 | I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS); |
| 460 | I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC); |
| 461 | I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE); |
| 462 | I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); |
| 463 | if (IS_I965G(dev)) { |
| 464 | I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF); |
| 465 | I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); |
| 466 | } |
| 467 | |
Jesse Barnes | c0c4261 | 2008-02-07 17:33:28 -0800 | [diff] [blame] | 468 | I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); |
| 469 | |
| 470 | i915_restore_palette(dev, PIPE_B); |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 471 | /* Enable the plane */ |
| 472 | I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); |
| 473 | I915_WRITE(DSPBBASE, I915_READ(DSPBBASE)); |
| 474 | |
| 475 | /* CRT state */ |
| 476 | I915_WRITE(ADPA, dev_priv->saveADPA); |
| 477 | |
| 478 | /* LVDS state */ |
| 479 | if (IS_I965G(dev)) |
| 480 | I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); |
| 481 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
| 482 | I915_WRITE(LVDS, dev_priv->saveLVDS); |
| 483 | if (!IS_I830(dev) && !IS_845G(dev)) |
| 484 | I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); |
| 485 | |
| 486 | I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); |
| 487 | I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); |
| 488 | I915_WRITE(LVDSPP_ON, dev_priv->saveLVDSPP_ON); |
| 489 | I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF); |
| 490 | I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE); |
| 491 | I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); |
| 492 | |
| 493 | /* FIXME: restore TV & SDVO state */ |
| 494 | |
| 495 | /* FBC info */ |
| 496 | I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); |
| 497 | I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); |
| 498 | I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); |
| 499 | I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); |
| 500 | |
| 501 | /* VGA state */ |
| 502 | I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); |
| 503 | I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0); |
| 504 | I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1); |
| 505 | I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV); |
| 506 | udelay(150); |
| 507 | |
Keith Packard | 1f84e55 | 2008-02-16 19:19:29 -0800 | [diff] [blame] | 508 | /* Clock gating state */ |
| 509 | I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D); |
| 510 | |
| 511 | /* Cache mode state */ |
| 512 | I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); |
| 513 | |
| 514 | /* Memory arbitration state */ |
| 515 | I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); |
| 516 | |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 517 | for (i = 0; i < 16; i++) { |
| 518 | I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]); |
| 519 | I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]); |
| 520 | } |
| 521 | for (i = 0; i < 3; i++) |
| 522 | I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); |
| 523 | |
| 524 | i915_restore_vga(dev); |
| 525 | |
| 526 | return 0; |
| 527 | } |
| 528 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | static struct drm_driver driver = { |
Dave Airlie | 792d2b9 | 2005-11-11 23:30:27 +1100 | [diff] [blame] | 530 | /* don't use mtrr's here, the Xserver or user space app should |
| 531 | * deal with them for intel hardware. |
| 532 | */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 533 | .driver_features = |
Dave Airlie | 792d2b9 | 2005-11-11 23:30:27 +1100 | [diff] [blame] | 534 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ |
=?utf-8?q?Michel_D=C3=A4nzer?= | 68815ba | 2006-10-24 22:28:51 +1000 | [diff] [blame] | 535 | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | |
| 536 | DRIVER_IRQ_VBL2, |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 537 | .load = i915_driver_load, |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 538 | .unload = i915_driver_unload, |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 539 | .lastclose = i915_driver_lastclose, |
| 540 | .preclose = i915_driver_preclose, |
Jesse Barnes | ba8bbcf | 2007-11-22 14:14:14 +1000 | [diff] [blame] | 541 | .suspend = i915_suspend, |
| 542 | .resume = i915_resume, |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 543 | .device_is_agp = i915_driver_device_is_agp, |
Dave Airlie | 0d6aa60 | 2006-01-02 20:14:23 +1100 | [diff] [blame] | 544 | .vblank_wait = i915_driver_vblank_wait, |
=?utf-8?q?Michel_D=C3=A4nzer?= | 68815ba | 2006-10-24 22:28:51 +1000 | [diff] [blame] | 545 | .vblank_wait2 = i915_driver_vblank_wait2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | .irq_preinstall = i915_driver_irq_preinstall, |
| 547 | .irq_postinstall = i915_driver_irq_postinstall, |
| 548 | .irq_uninstall = i915_driver_irq_uninstall, |
| 549 | .irq_handler = i915_driver_irq_handler, |
| 550 | .reclaim_buffers = drm_core_reclaim_buffers, |
| 551 | .get_map_ofs = drm_core_get_map_ofs, |
| 552 | .get_reg_ofs = drm_core_get_reg_ofs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | .ioctls = i915_ioctls, |
| 554 | .fops = { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 555 | .owner = THIS_MODULE, |
| 556 | .open = drm_open, |
| 557 | .release = drm_release, |
| 558 | .ioctl = drm_ioctl, |
| 559 | .mmap = drm_mmap, |
| 560 | .poll = drm_poll, |
| 561 | .fasync = drm_fasync, |
Dave Airlie | 8ca7c1d | 2005-07-07 21:51:26 +1000 | [diff] [blame] | 562 | #ifdef CONFIG_COMPAT |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 563 | .compat_ioctl = i915_compat_ioctl, |
Dave Airlie | 8ca7c1d | 2005-07-07 21:51:26 +1000 | [diff] [blame] | 564 | #endif |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 565 | }, |
| 566 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | .pci_driver = { |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 568 | .name = DRIVER_NAME, |
| 569 | .id_table = pciidlist, |
| 570 | }, |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 571 | |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 572 | .name = DRIVER_NAME, |
| 573 | .desc = DRIVER_DESC, |
| 574 | .date = DRIVER_DATE, |
| 575 | .major = DRIVER_MAJOR, |
| 576 | .minor = DRIVER_MINOR, |
| 577 | .patchlevel = DRIVER_PATCHLEVEL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | }; |
| 579 | |
| 580 | static int __init i915_init(void) |
| 581 | { |
| 582 | driver.num_ioctls = i915_max_ioctl; |
| 583 | return drm_init(&driver); |
| 584 | } |
| 585 | |
| 586 | static void __exit i915_exit(void) |
| 587 | { |
| 588 | drm_exit(&driver); |
| 589 | } |
| 590 | |
| 591 | module_init(i915_init); |
| 592 | module_exit(i915_exit); |
| 593 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 594 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 595 | MODULE_DESCRIPTION(DRIVER_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | MODULE_LICENSE("GPL and additional rights"); |