Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2008 (c) Intel Corporation |
| 4 | * Jesse Barnes <jbarnes@virtuousgeek.org> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #include "drmP.h" |
| 28 | #include "drm.h" |
| 29 | #include "i915_drm.h" |
| 30 | #include "i915_drv.h" |
| 31 | |
| 32 | static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) |
| 33 | { |
| 34 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 35 | |
| 36 | if (pipe == PIPE_A) |
| 37 | return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE); |
| 38 | else |
| 39 | return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE); |
| 40 | } |
| 41 | |
| 42 | static void i915_save_palette(struct drm_device *dev, enum pipe pipe) |
| 43 | { |
| 44 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 45 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 46 | u32 *array; |
| 47 | int i; |
| 48 | |
| 49 | if (!i915_pipe_enabled(dev, pipe)) |
| 50 | return; |
| 51 | |
| 52 | if (pipe == PIPE_A) |
| 53 | array = dev_priv->save_palette_a; |
| 54 | else |
| 55 | array = dev_priv->save_palette_b; |
| 56 | |
| 57 | for(i = 0; i < 256; i++) |
| 58 | array[i] = I915_READ(reg + (i << 2)); |
| 59 | } |
| 60 | |
| 61 | static void i915_restore_palette(struct drm_device *dev, enum pipe pipe) |
| 62 | { |
| 63 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 64 | unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B); |
| 65 | u32 *array; |
| 66 | int i; |
| 67 | |
| 68 | if (!i915_pipe_enabled(dev, pipe)) |
| 69 | return; |
| 70 | |
| 71 | if (pipe == PIPE_A) |
| 72 | array = dev_priv->save_palette_a; |
| 73 | else |
| 74 | array = dev_priv->save_palette_b; |
| 75 | |
| 76 | for(i = 0; i < 256; i++) |
| 77 | I915_WRITE(reg + (i << 2), array[i]); |
| 78 | } |
| 79 | |
| 80 | static u8 i915_read_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg) |
| 81 | { |
| 82 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 83 | |
| 84 | I915_WRITE8(index_port, reg); |
| 85 | return I915_READ8(data_port); |
| 86 | } |
| 87 | |
| 88 | static u8 i915_read_ar(struct drm_device *dev, u16 st01, u8 reg, u16 palette_enable) |
| 89 | { |
| 90 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 91 | |
| 92 | I915_READ8(st01); |
| 93 | I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); |
| 94 | return I915_READ8(VGA_AR_DATA_READ); |
| 95 | } |
| 96 | |
| 97 | static void i915_write_ar(struct drm_device *dev, u16 st01, u8 reg, u8 val, u16 palette_enable) |
| 98 | { |
| 99 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 100 | |
| 101 | I915_READ8(st01); |
| 102 | I915_WRITE8(VGA_AR_INDEX, palette_enable | reg); |
| 103 | I915_WRITE8(VGA_AR_DATA_WRITE, val); |
| 104 | } |
| 105 | |
| 106 | static void i915_write_indexed(struct drm_device *dev, u16 index_port, u16 data_port, u8 reg, u8 val) |
| 107 | { |
| 108 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 109 | |
| 110 | I915_WRITE8(index_port, reg); |
| 111 | I915_WRITE8(data_port, val); |
| 112 | } |
| 113 | |
| 114 | static void i915_save_vga(struct drm_device *dev) |
| 115 | { |
| 116 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 117 | int i; |
| 118 | u16 cr_index, cr_data, st01; |
| 119 | |
| 120 | /* VGA color palette registers */ |
| 121 | dev_priv->saveDACMASK = I915_READ8(VGA_DACMASK); |
| 122 | /* DACCRX automatically increments during read */ |
| 123 | I915_WRITE8(VGA_DACRX, 0); |
| 124 | /* Read 3 bytes of color data from each index */ |
| 125 | for (i = 0; i < 256 * 3; i++) |
| 126 | dev_priv->saveDACDATA[i] = I915_READ8(VGA_DACDATA); |
| 127 | |
| 128 | /* MSR bits */ |
| 129 | dev_priv->saveMSR = I915_READ8(VGA_MSR_READ); |
| 130 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 131 | cr_index = VGA_CR_INDEX_CGA; |
| 132 | cr_data = VGA_CR_DATA_CGA; |
| 133 | st01 = VGA_ST01_CGA; |
| 134 | } else { |
| 135 | cr_index = VGA_CR_INDEX_MDA; |
| 136 | cr_data = VGA_CR_DATA_MDA; |
| 137 | st01 = VGA_ST01_MDA; |
| 138 | } |
| 139 | |
| 140 | /* CRT controller regs */ |
| 141 | i915_write_indexed(dev, cr_index, cr_data, 0x11, |
| 142 | i915_read_indexed(dev, cr_index, cr_data, 0x11) & |
| 143 | (~0x80)); |
| 144 | for (i = 0; i <= 0x24; i++) |
| 145 | dev_priv->saveCR[i] = |
| 146 | i915_read_indexed(dev, cr_index, cr_data, i); |
| 147 | /* Make sure we don't turn off CR group 0 writes */ |
| 148 | dev_priv->saveCR[0x11] &= ~0x80; |
| 149 | |
| 150 | /* Attribute controller registers */ |
| 151 | I915_READ8(st01); |
| 152 | dev_priv->saveAR_INDEX = I915_READ8(VGA_AR_INDEX); |
| 153 | for (i = 0; i <= 0x14; i++) |
| 154 | dev_priv->saveAR[i] = i915_read_ar(dev, st01, i, 0); |
| 155 | I915_READ8(st01); |
| 156 | I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX); |
| 157 | I915_READ8(st01); |
| 158 | |
| 159 | /* Graphics controller registers */ |
| 160 | for (i = 0; i < 9; i++) |
| 161 | dev_priv->saveGR[i] = |
| 162 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i); |
| 163 | |
| 164 | dev_priv->saveGR[0x10] = |
| 165 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10); |
| 166 | dev_priv->saveGR[0x11] = |
| 167 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11); |
| 168 | dev_priv->saveGR[0x18] = |
| 169 | i915_read_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18); |
| 170 | |
| 171 | /* Sequencer registers */ |
| 172 | for (i = 0; i < 8; i++) |
| 173 | dev_priv->saveSR[i] = |
| 174 | i915_read_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i); |
| 175 | } |
| 176 | |
| 177 | static void i915_restore_vga(struct drm_device *dev) |
| 178 | { |
| 179 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 180 | int i; |
| 181 | u16 cr_index, cr_data, st01; |
| 182 | |
| 183 | /* MSR bits */ |
| 184 | I915_WRITE8(VGA_MSR_WRITE, dev_priv->saveMSR); |
| 185 | if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) { |
| 186 | cr_index = VGA_CR_INDEX_CGA; |
| 187 | cr_data = VGA_CR_DATA_CGA; |
| 188 | st01 = VGA_ST01_CGA; |
| 189 | } else { |
| 190 | cr_index = VGA_CR_INDEX_MDA; |
| 191 | cr_data = VGA_CR_DATA_MDA; |
| 192 | st01 = VGA_ST01_MDA; |
| 193 | } |
| 194 | |
| 195 | /* Sequencer registers, don't write SR07 */ |
| 196 | for (i = 0; i < 7; i++) |
| 197 | i915_write_indexed(dev, VGA_SR_INDEX, VGA_SR_DATA, i, |
| 198 | dev_priv->saveSR[i]); |
| 199 | |
| 200 | /* CRT controller regs */ |
| 201 | /* Enable CR group 0 writes */ |
| 202 | i915_write_indexed(dev, cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]); |
| 203 | for (i = 0; i <= 0x24; i++) |
| 204 | i915_write_indexed(dev, cr_index, cr_data, i, dev_priv->saveCR[i]); |
| 205 | |
| 206 | /* Graphics controller regs */ |
| 207 | for (i = 0; i < 9; i++) |
| 208 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, i, |
| 209 | dev_priv->saveGR[i]); |
| 210 | |
| 211 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x10, |
| 212 | dev_priv->saveGR[0x10]); |
| 213 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x11, |
| 214 | dev_priv->saveGR[0x11]); |
| 215 | i915_write_indexed(dev, VGA_GR_INDEX, VGA_GR_DATA, 0x18, |
| 216 | dev_priv->saveGR[0x18]); |
| 217 | |
| 218 | /* Attribute controller registers */ |
| 219 | I915_READ8(st01); /* switch back to index mode */ |
| 220 | for (i = 0; i <= 0x14; i++) |
| 221 | i915_write_ar(dev, st01, i, dev_priv->saveAR[i], 0); |
| 222 | I915_READ8(st01); /* switch back to index mode */ |
| 223 | I915_WRITE8(VGA_AR_INDEX, dev_priv->saveAR_INDEX | 0x20); |
| 224 | I915_READ8(st01); |
| 225 | |
| 226 | /* VGA color palette registers */ |
| 227 | I915_WRITE8(VGA_DACMASK, dev_priv->saveDACMASK); |
| 228 | /* DACCRX automatically increments during read */ |
| 229 | I915_WRITE8(VGA_DACWX, 0); |
| 230 | /* Read 3 bytes of color data from each index */ |
| 231 | for (i = 0; i < 256 * 3; i++) |
| 232 | I915_WRITE8(VGA_DACDATA, dev_priv->saveDACDATA[i]); |
| 233 | |
| 234 | } |
| 235 | |
| 236 | int i915_save_state(struct drm_device *dev) |
| 237 | { |
| 238 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 239 | int i; |
| 240 | |
| 241 | pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); |
| 242 | |
Keith Packard | 881ee98 | 2008-11-02 23:08:44 -0800 | [diff] [blame] | 243 | /* Render Standby */ |
| 244 | if (IS_I965G(dev) && IS_MOBILE(dev)) |
| 245 | dev_priv->saveRENDERSTANDBY = I915_READ(MCHBAR_RENDER_STANDBY); |
| 246 | |
Peng Li | 461cba2 | 2008-11-18 12:39:02 +0800 | [diff] [blame] | 247 | /* Hardware status page */ |
| 248 | dev_priv->saveHWS = I915_READ(HWS_PGA); |
| 249 | |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 250 | /* Display arbitration control */ |
| 251 | dev_priv->saveDSPARB = I915_READ(DSPARB); |
| 252 | |
| 253 | /* Pipe & plane A info */ |
| 254 | dev_priv->savePIPEACONF = I915_READ(PIPEACONF); |
| 255 | dev_priv->savePIPEASRC = I915_READ(PIPEASRC); |
| 256 | dev_priv->saveFPA0 = I915_READ(FPA0); |
| 257 | dev_priv->saveFPA1 = I915_READ(FPA1); |
| 258 | dev_priv->saveDPLL_A = I915_READ(DPLL_A); |
| 259 | if (IS_I965G(dev)) |
| 260 | dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD); |
| 261 | dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A); |
| 262 | dev_priv->saveHBLANK_A = I915_READ(HBLANK_A); |
| 263 | dev_priv->saveHSYNC_A = I915_READ(HSYNC_A); |
| 264 | dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A); |
| 265 | dev_priv->saveVBLANK_A = I915_READ(VBLANK_A); |
| 266 | dev_priv->saveVSYNC_A = I915_READ(VSYNC_A); |
| 267 | dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); |
| 268 | |
| 269 | dev_priv->saveDSPACNTR = I915_READ(DSPACNTR); |
| 270 | dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE); |
| 271 | dev_priv->saveDSPASIZE = I915_READ(DSPASIZE); |
| 272 | dev_priv->saveDSPAPOS = I915_READ(DSPAPOS); |
| 273 | dev_priv->saveDSPAADDR = I915_READ(DSPAADDR); |
| 274 | if (IS_I965G(dev)) { |
| 275 | dev_priv->saveDSPASURF = I915_READ(DSPASURF); |
| 276 | dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF); |
| 277 | } |
| 278 | i915_save_palette(dev, PIPE_A); |
| 279 | dev_priv->savePIPEASTAT = I915_READ(PIPEASTAT); |
| 280 | |
| 281 | /* Pipe & plane B info */ |
| 282 | dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF); |
| 283 | dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC); |
| 284 | dev_priv->saveFPB0 = I915_READ(FPB0); |
| 285 | dev_priv->saveFPB1 = I915_READ(FPB1); |
| 286 | dev_priv->saveDPLL_B = I915_READ(DPLL_B); |
| 287 | if (IS_I965G(dev)) |
| 288 | dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD); |
| 289 | dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B); |
| 290 | dev_priv->saveHBLANK_B = I915_READ(HBLANK_B); |
| 291 | dev_priv->saveHSYNC_B = I915_READ(HSYNC_B); |
| 292 | dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B); |
| 293 | dev_priv->saveVBLANK_B = I915_READ(VBLANK_B); |
| 294 | dev_priv->saveVSYNC_B = I915_READ(VSYNC_B); |
| 295 | dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A); |
| 296 | |
| 297 | dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR); |
| 298 | dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE); |
| 299 | dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE); |
| 300 | dev_priv->saveDSPBPOS = I915_READ(DSPBPOS); |
| 301 | dev_priv->saveDSPBADDR = I915_READ(DSPBADDR); |
Jesse Barnes | b9bfdfe | 2008-08-25 15:16:19 -0700 | [diff] [blame] | 302 | if (IS_I965GM(dev) || IS_GM45(dev)) { |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 303 | dev_priv->saveDSPBSURF = I915_READ(DSPBSURF); |
| 304 | dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF); |
| 305 | } |
| 306 | i915_save_palette(dev, PIPE_B); |
| 307 | dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT); |
| 308 | |
| 309 | /* CRT state */ |
| 310 | dev_priv->saveADPA = I915_READ(ADPA); |
| 311 | |
| 312 | /* LVDS state */ |
| 313 | dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL); |
| 314 | dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); |
| 315 | dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL); |
| 316 | if (IS_I965G(dev)) |
| 317 | dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2); |
| 318 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
| 319 | dev_priv->saveLVDS = I915_READ(LVDS); |
| 320 | if (!IS_I830(dev) && !IS_845G(dev)) |
| 321 | dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL); |
| 322 | dev_priv->savePP_ON_DELAYS = I915_READ(PP_ON_DELAYS); |
| 323 | dev_priv->savePP_OFF_DELAYS = I915_READ(PP_OFF_DELAYS); |
| 324 | dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR); |
| 325 | |
| 326 | /* FIXME: save TV & SDVO state */ |
| 327 | |
| 328 | /* FBC state */ |
| 329 | dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE); |
| 330 | dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE); |
| 331 | dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2); |
| 332 | dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL); |
| 333 | |
| 334 | /* Interrupt state */ |
| 335 | dev_priv->saveIIR = I915_READ(IIR); |
| 336 | dev_priv->saveIER = I915_READ(IER); |
| 337 | dev_priv->saveIMR = I915_READ(IMR); |
| 338 | |
| 339 | /* VGA state */ |
| 340 | dev_priv->saveVGA0 = I915_READ(VGA0); |
| 341 | dev_priv->saveVGA1 = I915_READ(VGA1); |
| 342 | dev_priv->saveVGA_PD = I915_READ(VGA_PD); |
| 343 | dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); |
| 344 | |
| 345 | /* Clock gating state */ |
| 346 | dev_priv->saveD_STATE = I915_READ(D_STATE); |
| 347 | dev_priv->saveCG_2D_DIS = I915_READ(CG_2D_DIS); |
| 348 | |
| 349 | /* Cache mode state */ |
| 350 | dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0); |
| 351 | |
| 352 | /* Memory Arbitration state */ |
| 353 | dev_priv->saveMI_ARB_STATE = I915_READ(MI_ARB_STATE); |
| 354 | |
| 355 | /* Scratch space */ |
| 356 | for (i = 0; i < 16; i++) { |
| 357 | dev_priv->saveSWF0[i] = I915_READ(SWF00 + (i << 2)); |
| 358 | dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2)); |
| 359 | } |
| 360 | for (i = 0; i < 3; i++) |
| 361 | dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2)); |
| 362 | |
| 363 | i915_save_vga(dev); |
| 364 | |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | int i915_restore_state(struct drm_device *dev) |
| 369 | { |
| 370 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 371 | int i; |
| 372 | |
| 373 | pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); |
| 374 | |
Keith Packard | 881ee98 | 2008-11-02 23:08:44 -0800 | [diff] [blame] | 375 | /* Render Standby */ |
| 376 | if (IS_I965G(dev) && IS_MOBILE(dev)) |
| 377 | I915_WRITE(MCHBAR_RENDER_STANDBY, dev_priv->saveRENDERSTANDBY); |
| 378 | |
Peng Li | 461cba2 | 2008-11-18 12:39:02 +0800 | [diff] [blame] | 379 | /* Hardware status page */ |
| 380 | I915_WRITE(HWS_PGA, dev_priv->saveHWS); |
| 381 | |
Keith Packard | 881ee98 | 2008-11-02 23:08:44 -0800 | [diff] [blame] | 382 | /* Display arbitration */ |
Jesse Barnes | 317c35d | 2008-08-25 15:11:06 -0700 | [diff] [blame] | 383 | I915_WRITE(DSPARB, dev_priv->saveDSPARB); |
| 384 | |
| 385 | /* Pipe & plane A info */ |
| 386 | /* Prime the clock */ |
| 387 | if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { |
| 388 | I915_WRITE(DPLL_A, dev_priv->saveDPLL_A & |
| 389 | ~DPLL_VCO_ENABLE); |
| 390 | DRM_UDELAY(150); |
| 391 | } |
| 392 | I915_WRITE(FPA0, dev_priv->saveFPA0); |
| 393 | I915_WRITE(FPA1, dev_priv->saveFPA1); |
| 394 | /* Actually enable it */ |
| 395 | I915_WRITE(DPLL_A, dev_priv->saveDPLL_A); |
| 396 | DRM_UDELAY(150); |
| 397 | if (IS_I965G(dev)) |
| 398 | I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD); |
| 399 | DRM_UDELAY(150); |
| 400 | |
| 401 | /* Restore mode */ |
| 402 | I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A); |
| 403 | I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A); |
| 404 | I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A); |
| 405 | I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A); |
| 406 | I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A); |
| 407 | I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A); |
| 408 | I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A); |
| 409 | |
| 410 | /* Restore plane info */ |
| 411 | I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE); |
| 412 | I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS); |
| 413 | I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC); |
| 414 | I915_WRITE(DSPAADDR, dev_priv->saveDSPAADDR); |
| 415 | I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE); |
| 416 | if (IS_I965G(dev)) { |
| 417 | I915_WRITE(DSPASURF, dev_priv->saveDSPASURF); |
| 418 | I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF); |
| 419 | } |
| 420 | |
| 421 | I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF); |
| 422 | |
| 423 | i915_restore_palette(dev, PIPE_A); |
| 424 | /* Enable the plane */ |
| 425 | I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR); |
| 426 | I915_WRITE(DSPAADDR, I915_READ(DSPAADDR)); |
| 427 | |
| 428 | /* Pipe & plane B info */ |
| 429 | if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) { |
| 430 | I915_WRITE(DPLL_B, dev_priv->saveDPLL_B & |
| 431 | ~DPLL_VCO_ENABLE); |
| 432 | DRM_UDELAY(150); |
| 433 | } |
| 434 | I915_WRITE(FPB0, dev_priv->saveFPB0); |
| 435 | I915_WRITE(FPB1, dev_priv->saveFPB1); |
| 436 | /* Actually enable it */ |
| 437 | I915_WRITE(DPLL_B, dev_priv->saveDPLL_B); |
| 438 | DRM_UDELAY(150); |
| 439 | if (IS_I965G(dev)) |
| 440 | I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD); |
| 441 | DRM_UDELAY(150); |
| 442 | |
| 443 | /* Restore mode */ |
| 444 | I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B); |
| 445 | I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B); |
| 446 | I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B); |
| 447 | I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B); |
| 448 | I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B); |
| 449 | I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B); |
| 450 | I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B); |
| 451 | |
| 452 | /* Restore plane info */ |
| 453 | I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE); |
| 454 | I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS); |
| 455 | I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC); |
| 456 | I915_WRITE(DSPBADDR, dev_priv->saveDSPBADDR); |
| 457 | I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE); |
| 458 | if (IS_I965G(dev)) { |
| 459 | I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF); |
| 460 | I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF); |
| 461 | } |
| 462 | |
| 463 | I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF); |
| 464 | |
| 465 | i915_restore_palette(dev, PIPE_B); |
| 466 | /* Enable the plane */ |
| 467 | I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR); |
| 468 | I915_WRITE(DSPBADDR, I915_READ(DSPBADDR)); |
| 469 | |
| 470 | /* CRT state */ |
| 471 | I915_WRITE(ADPA, dev_priv->saveADPA); |
| 472 | |
| 473 | /* LVDS state */ |
| 474 | if (IS_I965G(dev)) |
| 475 | I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2); |
| 476 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
| 477 | I915_WRITE(LVDS, dev_priv->saveLVDS); |
| 478 | if (!IS_I830(dev) && !IS_845G(dev)) |
| 479 | I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL); |
| 480 | |
| 481 | I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS); |
| 482 | I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL); |
| 483 | I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); |
| 484 | I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); |
| 485 | I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR); |
| 486 | I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL); |
| 487 | |
| 488 | /* FIXME: restore TV & SDVO state */ |
| 489 | |
| 490 | /* FBC info */ |
| 491 | I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE); |
| 492 | I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE); |
| 493 | I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2); |
| 494 | I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL); |
| 495 | |
| 496 | /* VGA state */ |
| 497 | I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL); |
| 498 | I915_WRITE(VGA0, dev_priv->saveVGA0); |
| 499 | I915_WRITE(VGA1, dev_priv->saveVGA1); |
| 500 | I915_WRITE(VGA_PD, dev_priv->saveVGA_PD); |
| 501 | DRM_UDELAY(150); |
| 502 | |
| 503 | /* Clock gating state */ |
| 504 | I915_WRITE (D_STATE, dev_priv->saveD_STATE); |
| 505 | I915_WRITE (CG_2D_DIS, dev_priv->saveCG_2D_DIS); |
| 506 | |
| 507 | /* Cache mode state */ |
| 508 | I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); |
| 509 | |
| 510 | /* Memory arbitration state */ |
| 511 | I915_WRITE (MI_ARB_STATE, dev_priv->saveMI_ARB_STATE | 0xffff0000); |
| 512 | |
| 513 | for (i = 0; i < 16; i++) { |
| 514 | I915_WRITE(SWF00 + (i << 2), dev_priv->saveSWF0[i]); |
| 515 | I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]); |
| 516 | } |
| 517 | for (i = 0; i < 3; i++) |
| 518 | I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]); |
| 519 | |
| 520 | i915_restore_vga(dev); |
| 521 | |
| 522 | return 0; |
| 523 | } |
| 524 | |