i915_drv.c 17 KB

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  1. /* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
  2. */
  3. /*
  4. *
  5. * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
  6. * All Rights Reserved.
  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. *
  28. */
  29. #include "drmP.h"
  30. #include "drm.h"
  31. #include "i915_drm.h"
  32. #include "i915_drv.h"
  33. #include "drm_pciids.h"
  34. static struct pci_device_id pciidlist[] = {
  35. i915_PCI_IDS
  36. };
  37. enum pipe {
  38. PIPE_A = 0,
  39. PIPE_B,
  40. };
  41. static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
  42. {
  43. struct drm_i915_private *dev_priv = dev->dev_private;
  44. if (pipe == PIPE_A)
  45. return (I915_READ(DPLL_A) & DPLL_VCO_ENABLE);
  46. else
  47. return (I915_READ(DPLL_B) & DPLL_VCO_ENABLE);
  48. }
  49. static void i915_save_palette(struct drm_device *dev, enum pipe pipe)
  50. {
  51. struct drm_i915_private *dev_priv = dev->dev_private;
  52. unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
  53. u32 *array;
  54. int i;
  55. if (!i915_pipe_enabled(dev, pipe))
  56. return;
  57. if (pipe == PIPE_A)
  58. array = dev_priv->save_palette_a;
  59. else
  60. array = dev_priv->save_palette_b;
  61. for(i = 0; i < 256; i++)
  62. array[i] = I915_READ(reg + (i << 2));
  63. }
  64. static void i915_restore_palette(struct drm_device *dev, enum pipe pipe)
  65. {
  66. struct drm_i915_private *dev_priv = dev->dev_private;
  67. unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
  68. u32 *array;
  69. int i;
  70. if (!i915_pipe_enabled(dev, pipe))
  71. return;
  72. if (pipe == PIPE_A)
  73. array = dev_priv->save_palette_a;
  74. else
  75. array = dev_priv->save_palette_b;
  76. for(i = 0; i < 256; i++)
  77. I915_WRITE(reg + (i << 2), array[i]);
  78. }
  79. static u8 i915_read_indexed(u16 index_port, u16 data_port, u8 reg)
  80. {
  81. outb(reg, index_port);
  82. return inb(data_port);
  83. }
  84. static u8 i915_read_ar(u16 st01, u8 reg, u16 palette_enable)
  85. {
  86. inb(st01);
  87. outb(palette_enable | reg, VGA_AR_INDEX);
  88. return inb(VGA_AR_DATA_READ);
  89. }
  90. static void i915_write_ar(u8 st01, u8 reg, u8 val, u16 palette_enable)
  91. {
  92. inb(st01);
  93. outb(palette_enable | reg, VGA_AR_INDEX);
  94. outb(val, VGA_AR_DATA_WRITE);
  95. }
  96. static void i915_write_indexed(u16 index_port, u16 data_port, u8 reg, u8 val)
  97. {
  98. outb(reg, index_port);
  99. outb(val, data_port);
  100. }
  101. static void i915_save_vga(struct drm_device *dev)
  102. {
  103. struct drm_i915_private *dev_priv = dev->dev_private;
  104. int i;
  105. u16 cr_index, cr_data, st01;
  106. /* VGA color palette registers */
  107. dev_priv->saveDACMASK = inb(VGA_DACMASK);
  108. /* DACCRX automatically increments during read */
  109. outb(0, VGA_DACRX);
  110. /* Read 3 bytes of color data from each index */
  111. for (i = 0; i < 256 * 3; i++)
  112. dev_priv->saveDACDATA[i] = inb(VGA_DACDATA);
  113. /* MSR bits */
  114. dev_priv->saveMSR = inb(VGA_MSR_READ);
  115. if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
  116. cr_index = VGA_CR_INDEX_CGA;
  117. cr_data = VGA_CR_DATA_CGA;
  118. st01 = VGA_ST01_CGA;
  119. } else {
  120. cr_index = VGA_CR_INDEX_MDA;
  121. cr_data = VGA_CR_DATA_MDA;
  122. st01 = VGA_ST01_MDA;
  123. }
  124. /* CRT controller regs */
  125. i915_write_indexed(cr_index, cr_data, 0x11,
  126. i915_read_indexed(cr_index, cr_data, 0x11) &
  127. (~0x80));
  128. for (i = 0; i < 0x24; i++)
  129. dev_priv->saveCR[i] =
  130. i915_read_indexed(cr_index, cr_data, i);
  131. /* Make sure we don't turn off CR group 0 writes */
  132. dev_priv->saveCR[0x11] &= ~0x80;
  133. /* Attribute controller registers */
  134. inb(st01);
  135. dev_priv->saveAR_INDEX = inb(VGA_AR_INDEX);
  136. for (i = 0; i < 20; i++)
  137. dev_priv->saveAR[i] = i915_read_ar(st01, i, 0);
  138. inb(st01);
  139. outb(dev_priv->saveAR_INDEX, VGA_AR_INDEX);
  140. /* Graphics controller registers */
  141. for (i = 0; i < 9; i++)
  142. dev_priv->saveGR[i] =
  143. i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, i);
  144. dev_priv->saveGR[0x10] =
  145. i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10);
  146. dev_priv->saveGR[0x11] =
  147. i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11);
  148. dev_priv->saveGR[0x18] =
  149. i915_read_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18);
  150. /* Sequencer registers */
  151. for (i = 0; i < 8; i++)
  152. dev_priv->saveSR[i] =
  153. i915_read_indexed(VGA_SR_INDEX, VGA_SR_DATA, i);
  154. }
  155. static void i915_restore_vga(struct drm_device *dev)
  156. {
  157. struct drm_i915_private *dev_priv = dev->dev_private;
  158. int i;
  159. u16 cr_index, cr_data, st01;
  160. /* MSR bits */
  161. outb(dev_priv->saveMSR, VGA_MSR_WRITE);
  162. if (dev_priv->saveMSR & VGA_MSR_CGA_MODE) {
  163. cr_index = VGA_CR_INDEX_CGA;
  164. cr_data = VGA_CR_DATA_CGA;
  165. st01 = VGA_ST01_CGA;
  166. } else {
  167. cr_index = VGA_CR_INDEX_MDA;
  168. cr_data = VGA_CR_DATA_MDA;
  169. st01 = VGA_ST01_MDA;
  170. }
  171. /* Sequencer registers, don't write SR07 */
  172. for (i = 0; i < 7; i++)
  173. i915_write_indexed(VGA_SR_INDEX, VGA_SR_DATA, i,
  174. dev_priv->saveSR[i]);
  175. /* CRT controller regs */
  176. /* Enable CR group 0 writes */
  177. i915_write_indexed(cr_index, cr_data, 0x11, dev_priv->saveCR[0x11]);
  178. for (i = 0; i < 0x24; i++)
  179. i915_write_indexed(cr_index, cr_data, i, dev_priv->saveCR[i]);
  180. /* Graphics controller regs */
  181. for (i = 0; i < 9; i++)
  182. i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, i,
  183. dev_priv->saveGR[i]);
  184. i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x10,
  185. dev_priv->saveGR[0x10]);
  186. i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x11,
  187. dev_priv->saveGR[0x11]);
  188. i915_write_indexed(VGA_GR_INDEX, VGA_GR_DATA, 0x18,
  189. dev_priv->saveGR[0x18]);
  190. /* Attribute controller registers */
  191. for (i = 0; i < 20; i++)
  192. i915_write_ar(st01, i, dev_priv->saveAR[i], 0);
  193. inb(st01); /* switch back to index mode */
  194. outb(dev_priv->saveAR_INDEX | 0x20, VGA_AR_INDEX);
  195. /* VGA color palette registers */
  196. outb(dev_priv->saveDACMASK, VGA_DACMASK);
  197. /* DACCRX automatically increments during read */
  198. outb(0, VGA_DACWX);
  199. /* Read 3 bytes of color data from each index */
  200. for (i = 0; i < 256 * 3; i++)
  201. outb(dev_priv->saveDACDATA[i], VGA_DACDATA);
  202. }
  203. static int i915_suspend(struct drm_device *dev)
  204. {
  205. struct drm_i915_private *dev_priv = dev->dev_private;
  206. int i;
  207. if (!dev || !dev_priv) {
  208. printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
  209. printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
  210. return -ENODEV;
  211. }
  212. pci_save_state(dev->pdev);
  213. pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
  214. /* Pipe & plane A info */
  215. dev_priv->savePIPEACONF = I915_READ(PIPEACONF);
  216. dev_priv->savePIPEASRC = I915_READ(PIPEASRC);
  217. dev_priv->saveFPA0 = I915_READ(FPA0);
  218. dev_priv->saveFPA1 = I915_READ(FPA1);
  219. dev_priv->saveDPLL_A = I915_READ(DPLL_A);
  220. if (IS_I965G(dev))
  221. dev_priv->saveDPLL_A_MD = I915_READ(DPLL_A_MD);
  222. dev_priv->saveHTOTAL_A = I915_READ(HTOTAL_A);
  223. dev_priv->saveHBLANK_A = I915_READ(HBLANK_A);
  224. dev_priv->saveHSYNC_A = I915_READ(HSYNC_A);
  225. dev_priv->saveVTOTAL_A = I915_READ(VTOTAL_A);
  226. dev_priv->saveVBLANK_A = I915_READ(VBLANK_A);
  227. dev_priv->saveVSYNC_A = I915_READ(VSYNC_A);
  228. dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
  229. dev_priv->saveDSPACNTR = I915_READ(DSPACNTR);
  230. dev_priv->saveDSPASTRIDE = I915_READ(DSPASTRIDE);
  231. dev_priv->saveDSPASIZE = I915_READ(DSPASIZE);
  232. dev_priv->saveDSPAPOS = I915_READ(DSPAPOS);
  233. dev_priv->saveDSPABASE = I915_READ(DSPABASE);
  234. if (IS_I965G(dev)) {
  235. dev_priv->saveDSPASURF = I915_READ(DSPASURF);
  236. dev_priv->saveDSPATILEOFF = I915_READ(DSPATILEOFF);
  237. }
  238. i915_save_palette(dev, PIPE_A);
  239. /* Pipe & plane B info */
  240. dev_priv->savePIPEBCONF = I915_READ(PIPEBCONF);
  241. dev_priv->savePIPEBSRC = I915_READ(PIPEBSRC);
  242. dev_priv->saveFPB0 = I915_READ(FPB0);
  243. dev_priv->saveFPB1 = I915_READ(FPB1);
  244. dev_priv->saveDPLL_B = I915_READ(DPLL_B);
  245. if (IS_I965G(dev))
  246. dev_priv->saveDPLL_B_MD = I915_READ(DPLL_B_MD);
  247. dev_priv->saveHTOTAL_B = I915_READ(HTOTAL_B);
  248. dev_priv->saveHBLANK_B = I915_READ(HBLANK_B);
  249. dev_priv->saveHSYNC_B = I915_READ(HSYNC_B);
  250. dev_priv->saveVTOTAL_B = I915_READ(VTOTAL_B);
  251. dev_priv->saveVBLANK_B = I915_READ(VBLANK_B);
  252. dev_priv->saveVSYNC_B = I915_READ(VSYNC_B);
  253. dev_priv->saveBCLRPAT_A = I915_READ(BCLRPAT_A);
  254. dev_priv->saveDSPBCNTR = I915_READ(DSPBCNTR);
  255. dev_priv->saveDSPBSTRIDE = I915_READ(DSPBSTRIDE);
  256. dev_priv->saveDSPBSIZE = I915_READ(DSPBSIZE);
  257. dev_priv->saveDSPBPOS = I915_READ(DSPBPOS);
  258. dev_priv->saveDSPBBASE = I915_READ(DSPBBASE);
  259. if (IS_I965GM(dev) || IS_IGD_GM(dev)) {
  260. dev_priv->saveDSPBSURF = I915_READ(DSPBSURF);
  261. dev_priv->saveDSPBTILEOFF = I915_READ(DSPBTILEOFF);
  262. }
  263. i915_save_palette(dev, PIPE_B);
  264. /* CRT state */
  265. dev_priv->saveADPA = I915_READ(ADPA);
  266. /* LVDS state */
  267. dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
  268. dev_priv->savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS);
  269. dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
  270. if (IS_I965G(dev))
  271. dev_priv->saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_CTL2);
  272. if (IS_MOBILE(dev) && !IS_I830(dev))
  273. dev_priv->saveLVDS = I915_READ(LVDS);
  274. if (!IS_I830(dev) && !IS_845G(dev))
  275. dev_priv->savePFIT_CONTROL = I915_READ(PFIT_CONTROL);
  276. dev_priv->saveLVDSPP_ON = I915_READ(LVDSPP_ON);
  277. dev_priv->saveLVDSPP_OFF = I915_READ(LVDSPP_OFF);
  278. dev_priv->savePP_CYCLE = I915_READ(PP_CYCLE);
  279. /* FIXME: save TV & SDVO state */
  280. /* FBC state */
  281. dev_priv->saveFBC_CFB_BASE = I915_READ(FBC_CFB_BASE);
  282. dev_priv->saveFBC_LL_BASE = I915_READ(FBC_LL_BASE);
  283. dev_priv->saveFBC_CONTROL2 = I915_READ(FBC_CONTROL2);
  284. dev_priv->saveFBC_CONTROL = I915_READ(FBC_CONTROL);
  285. /* VGA state */
  286. dev_priv->saveVCLK_DIVISOR_VGA0 = I915_READ(VCLK_DIVISOR_VGA0);
  287. dev_priv->saveVCLK_DIVISOR_VGA1 = I915_READ(VCLK_DIVISOR_VGA1);
  288. dev_priv->saveVCLK_POST_DIV = I915_READ(VCLK_POST_DIV);
  289. dev_priv->saveVGACNTRL = I915_READ(VGACNTRL);
  290. /* Scratch space */
  291. for (i = 0; i < 16; i++) {
  292. dev_priv->saveSWF0[i] = I915_READ(SWF0 + (i << 2));
  293. dev_priv->saveSWF1[i] = I915_READ(SWF10 + (i << 2));
  294. }
  295. for (i = 0; i < 3; i++)
  296. dev_priv->saveSWF2[i] = I915_READ(SWF30 + (i << 2));
  297. i915_save_vga(dev);
  298. /* Shut down the device */
  299. pci_disable_device(dev->pdev);
  300. pci_set_power_state(dev->pdev, PCI_D3hot);
  301. return 0;
  302. }
  303. static int i915_resume(struct drm_device *dev)
  304. {
  305. struct drm_i915_private *dev_priv = dev->dev_private;
  306. int i;
  307. pci_set_power_state(dev->pdev, PCI_D0);
  308. pci_restore_state(dev->pdev);
  309. if (pci_enable_device(dev->pdev))
  310. return -1;
  311. pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
  312. /* Pipe & plane A info */
  313. /* Prime the clock */
  314. if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
  315. I915_WRITE(DPLL_A, dev_priv->saveDPLL_A &
  316. ~DPLL_VCO_ENABLE);
  317. udelay(150);
  318. }
  319. I915_WRITE(FPA0, dev_priv->saveFPA0);
  320. I915_WRITE(FPA1, dev_priv->saveFPA1);
  321. /* Actually enable it */
  322. I915_WRITE(DPLL_A, dev_priv->saveDPLL_A);
  323. udelay(150);
  324. if (IS_I965G(dev))
  325. I915_WRITE(DPLL_A_MD, dev_priv->saveDPLL_A_MD);
  326. udelay(150);
  327. /* Restore mode */
  328. I915_WRITE(HTOTAL_A, dev_priv->saveHTOTAL_A);
  329. I915_WRITE(HBLANK_A, dev_priv->saveHBLANK_A);
  330. I915_WRITE(HSYNC_A, dev_priv->saveHSYNC_A);
  331. I915_WRITE(VTOTAL_A, dev_priv->saveVTOTAL_A);
  332. I915_WRITE(VBLANK_A, dev_priv->saveVBLANK_A);
  333. I915_WRITE(VSYNC_A, dev_priv->saveVSYNC_A);
  334. I915_WRITE(BCLRPAT_A, dev_priv->saveBCLRPAT_A);
  335. /* Restore plane info */
  336. I915_WRITE(DSPASIZE, dev_priv->saveDSPASIZE);
  337. I915_WRITE(DSPAPOS, dev_priv->saveDSPAPOS);
  338. I915_WRITE(PIPEASRC, dev_priv->savePIPEASRC);
  339. I915_WRITE(DSPABASE, dev_priv->saveDSPABASE);
  340. I915_WRITE(DSPASTRIDE, dev_priv->saveDSPASTRIDE);
  341. if (IS_I965G(dev)) {
  342. I915_WRITE(DSPASURF, dev_priv->saveDSPASURF);
  343. I915_WRITE(DSPATILEOFF, dev_priv->saveDSPATILEOFF);
  344. }
  345. if ((dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) &&
  346. (dev_priv->saveDPLL_A & DPLL_VGA_MODE_DIS))
  347. I915_WRITE(PIPEACONF, dev_priv->savePIPEACONF);
  348. i915_restore_palette(dev, PIPE_A);
  349. /* Enable the plane */
  350. I915_WRITE(DSPACNTR, dev_priv->saveDSPACNTR);
  351. I915_WRITE(DSPABASE, I915_READ(DSPABASE));
  352. /* Pipe & plane B info */
  353. if (dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
  354. I915_WRITE(DPLL_B, dev_priv->saveDPLL_B &
  355. ~DPLL_VCO_ENABLE);
  356. udelay(150);
  357. }
  358. I915_WRITE(FPB0, dev_priv->saveFPB0);
  359. I915_WRITE(FPB1, dev_priv->saveFPB1);
  360. /* Actually enable it */
  361. I915_WRITE(DPLL_B, dev_priv->saveDPLL_B);
  362. udelay(150);
  363. if (IS_I965G(dev))
  364. I915_WRITE(DPLL_B_MD, dev_priv->saveDPLL_B_MD);
  365. udelay(150);
  366. /* Restore mode */
  367. I915_WRITE(HTOTAL_B, dev_priv->saveHTOTAL_B);
  368. I915_WRITE(HBLANK_B, dev_priv->saveHBLANK_B);
  369. I915_WRITE(HSYNC_B, dev_priv->saveHSYNC_B);
  370. I915_WRITE(VTOTAL_B, dev_priv->saveVTOTAL_B);
  371. I915_WRITE(VBLANK_B, dev_priv->saveVBLANK_B);
  372. I915_WRITE(VSYNC_B, dev_priv->saveVSYNC_B);
  373. I915_WRITE(BCLRPAT_B, dev_priv->saveBCLRPAT_B);
  374. /* Restore plane info */
  375. I915_WRITE(DSPBSIZE, dev_priv->saveDSPBSIZE);
  376. I915_WRITE(DSPBPOS, dev_priv->saveDSPBPOS);
  377. I915_WRITE(PIPEBSRC, dev_priv->savePIPEBSRC);
  378. I915_WRITE(DSPBBASE, dev_priv->saveDSPBBASE);
  379. I915_WRITE(DSPBSTRIDE, dev_priv->saveDSPBSTRIDE);
  380. if (IS_I965G(dev)) {
  381. I915_WRITE(DSPBSURF, dev_priv->saveDSPBSURF);
  382. I915_WRITE(DSPBTILEOFF, dev_priv->saveDSPBTILEOFF);
  383. }
  384. if ((dev_priv->saveDPLL_B & DPLL_VCO_ENABLE) &&
  385. (dev_priv->saveDPLL_B & DPLL_VGA_MODE_DIS))
  386. I915_WRITE(PIPEBCONF, dev_priv->savePIPEBCONF);
  387. i915_restore_palette(dev, PIPE_A);
  388. /* Enable the plane */
  389. I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
  390. I915_WRITE(DSPBBASE, I915_READ(DSPBBASE));
  391. /* CRT state */
  392. I915_WRITE(ADPA, dev_priv->saveADPA);
  393. /* LVDS state */
  394. if (IS_I965G(dev))
  395. I915_WRITE(BLC_PWM_CTL2, dev_priv->saveBLC_PWM_CTL2);
  396. if (IS_MOBILE(dev) && !IS_I830(dev))
  397. I915_WRITE(LVDS, dev_priv->saveLVDS);
  398. if (!IS_I830(dev) && !IS_845G(dev))
  399. I915_WRITE(PFIT_CONTROL, dev_priv->savePFIT_CONTROL);
  400. I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
  401. I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
  402. I915_WRITE(LVDSPP_ON, dev_priv->saveLVDSPP_ON);
  403. I915_WRITE(LVDSPP_OFF, dev_priv->saveLVDSPP_OFF);
  404. I915_WRITE(PP_CYCLE, dev_priv->savePP_CYCLE);
  405. I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
  406. /* FIXME: restore TV & SDVO state */
  407. /* FBC info */
  408. I915_WRITE(FBC_CFB_BASE, dev_priv->saveFBC_CFB_BASE);
  409. I915_WRITE(FBC_LL_BASE, dev_priv->saveFBC_LL_BASE);
  410. I915_WRITE(FBC_CONTROL2, dev_priv->saveFBC_CONTROL2);
  411. I915_WRITE(FBC_CONTROL, dev_priv->saveFBC_CONTROL);
  412. /* VGA state */
  413. I915_WRITE(VGACNTRL, dev_priv->saveVGACNTRL);
  414. I915_WRITE(VCLK_DIVISOR_VGA0, dev_priv->saveVCLK_DIVISOR_VGA0);
  415. I915_WRITE(VCLK_DIVISOR_VGA1, dev_priv->saveVCLK_DIVISOR_VGA1);
  416. I915_WRITE(VCLK_POST_DIV, dev_priv->saveVCLK_POST_DIV);
  417. udelay(150);
  418. for (i = 0; i < 16; i++) {
  419. I915_WRITE(SWF0 + (i << 2), dev_priv->saveSWF0[i]);
  420. I915_WRITE(SWF10 + (i << 2), dev_priv->saveSWF1[i+7]);
  421. }
  422. for (i = 0; i < 3; i++)
  423. I915_WRITE(SWF30 + (i << 2), dev_priv->saveSWF2[i]);
  424. i915_restore_vga(dev);
  425. return 0;
  426. }
  427. static struct drm_driver driver = {
  428. /* don't use mtrr's here, the Xserver or user space app should
  429. * deal with them for intel hardware.
  430. */
  431. .driver_features =
  432. DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
  433. DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
  434. DRIVER_IRQ_VBL2,
  435. .load = i915_driver_load,
  436. .unload = i915_driver_unload,
  437. .lastclose = i915_driver_lastclose,
  438. .preclose = i915_driver_preclose,
  439. .suspend = i915_suspend,
  440. .resume = i915_resume,
  441. .device_is_agp = i915_driver_device_is_agp,
  442. .vblank_wait = i915_driver_vblank_wait,
  443. .vblank_wait2 = i915_driver_vblank_wait2,
  444. .irq_preinstall = i915_driver_irq_preinstall,
  445. .irq_postinstall = i915_driver_irq_postinstall,
  446. .irq_uninstall = i915_driver_irq_uninstall,
  447. .irq_handler = i915_driver_irq_handler,
  448. .reclaim_buffers = drm_core_reclaim_buffers,
  449. .get_map_ofs = drm_core_get_map_ofs,
  450. .get_reg_ofs = drm_core_get_reg_ofs,
  451. .ioctls = i915_ioctls,
  452. .fops = {
  453. .owner = THIS_MODULE,
  454. .open = drm_open,
  455. .release = drm_release,
  456. .ioctl = drm_ioctl,
  457. .mmap = drm_mmap,
  458. .poll = drm_poll,
  459. .fasync = drm_fasync,
  460. #ifdef CONFIG_COMPAT
  461. .compat_ioctl = i915_compat_ioctl,
  462. #endif
  463. },
  464. .pci_driver = {
  465. .name = DRIVER_NAME,
  466. .id_table = pciidlist,
  467. },
  468. .name = DRIVER_NAME,
  469. .desc = DRIVER_DESC,
  470. .date = DRIVER_DATE,
  471. .major = DRIVER_MAJOR,
  472. .minor = DRIVER_MINOR,
  473. .patchlevel = DRIVER_PATCHLEVEL,
  474. };
  475. static int __init i915_init(void)
  476. {
  477. driver.num_ioctls = i915_max_ioctl;
  478. return drm_init(&driver);
  479. }
  480. static void __exit i915_exit(void)
  481. {
  482. drm_exit(&driver);
  483. }
  484. module_init(i915_init);
  485. module_exit(i915_exit);
  486. MODULE_AUTHOR(DRIVER_AUTHOR);
  487. MODULE_DESCRIPTION(DRIVER_DESC);
  488. MODULE_LICENSE("GPL and additional rights");