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bna: remove oper_state_cbfn from struct bna_rxf
[linux/fpc-iii.git] / drivers / gpu / drm / gma500 / oaktrail_device.c
blob368a03ae3010a34d37e206c6792356799c361e24
1 /**************************************************************************
2 * Copyright (c) 2011, Intel Corporation.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 **************************************************************************/
19
20 #include <linux/backlight.h>
21 #include <linux/module.h>
22 #include <linux/dmi.h>
23 #include <drm/drmP.h>
24 #include <drm/drm.h>
25 #include <drm/gma_drm.h>
26 #include "psb_drv.h"
27 #include "psb_reg.h"
28 #include "psb_intel_reg.h"
29 #include <asm/intel-mid.h>
30 #include <asm/intel_scu_ipc.h>
31 #include "mid_bios.h"
32 #include "intel_bios.h"
33
34 static int oaktrail_output_init(struct drm_device *dev)
35 {
36 struct drm_psb_private *dev_priv = dev->dev_private;
37 if (dev_priv->iLVDS_enable)
38 oaktrail_lvds_init(dev, &dev_priv->mode_dev);
39 else
40 dev_err(dev->dev, "DSI is not supported\n");
41 if (dev_priv->hdmi_priv)
42 oaktrail_hdmi_init(dev, &dev_priv->mode_dev);
43
44 psb_intel_sdvo_init(dev, SDVOB);
45
46 return 0;
47 }
48
49 /*
50 * Provide the low level interfaces for the Moorestown backlight
51 */
52
53 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
54
55 #define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
56 #define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
57 #define BLC_PWM_FREQ_CALC_CONSTANT 32
58 #define MHz 1000000
59 #define BLC_ADJUSTMENT_MAX 100
60
61 static struct backlight_device *oaktrail_backlight_device;
62 static int oaktrail_brightness;
63
64 static int oaktrail_set_brightness(struct backlight_device *bd)
65 {
66 struct drm_device *dev = bl_get_data(oaktrail_backlight_device);
67 struct drm_psb_private *dev_priv = dev->dev_private;
68 int level = bd->props.brightness;
69 u32 blc_pwm_ctl;
70 u32 max_pwm_blc;
71
72 /* Percentage 1-100% being valid */
73 if (level < 1)
74 level = 1;
75
76 if (gma_power_begin(dev, 0)) {
77 /* Calculate and set the brightness value */
78 max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
79 blc_pwm_ctl = level * max_pwm_blc / 100;
80
81 /* Adjust the backlight level with the percent in
82 * dev_priv->blc_adj1;
83 */
84 blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
85 blc_pwm_ctl = blc_pwm_ctl / 100;
86
87 /* Adjust the backlight level with the percent in
88 * dev_priv->blc_adj2;
89 */
90 blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
91 blc_pwm_ctl = blc_pwm_ctl / 100;
92
93 /* force PWM bit on */
94 REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
95 REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
96 gma_power_end(dev);
97 }
98 oaktrail_brightness = level;
99 return 0;
100 }
101
102 static int oaktrail_get_brightness(struct backlight_device *bd)
103 {
104 /* return locally cached var instead of HW read (due to DPST etc.) */
105 /* FIXME: ideally return actual value in case firmware fiddled with
106 it */
107 return oaktrail_brightness;
108 }
109
110 static int device_backlight_init(struct drm_device *dev)
111 {
112 struct drm_psb_private *dev_priv = dev->dev_private;
113 unsigned long core_clock;
114 u16 bl_max_freq;
115 uint32_t value;
116 uint32_t blc_pwm_precision_factor;
117
118 dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
119 dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
120 bl_max_freq = 256;
121 /* this needs to be set elsewhere */
122 blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
123
124 core_clock = dev_priv->core_freq;
125
126 value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
127 value *= blc_pwm_precision_factor;
128 value /= bl_max_freq;
129 value /= blc_pwm_precision_factor;
130
131 if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
132 return -ERANGE;
133
134 if (gma_power_begin(dev, false)) {
135 REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
136 REG_WRITE(BLC_PWM_CTL, value | (value << 16));
137 gma_power_end(dev);
138 }
139 return 0;
140 }
141
142 static const struct backlight_ops oaktrail_ops = {
143 .get_brightness = oaktrail_get_brightness,
144 .update_status = oaktrail_set_brightness,
145 };
146
147 static int oaktrail_backlight_init(struct drm_device *dev)
148 {
149 struct drm_psb_private *dev_priv = dev->dev_private;
150 int ret;
151 struct backlight_properties props;
152
153 memset(&props, 0, sizeof(struct backlight_properties));
154 props.max_brightness = 100;
155 props.type = BACKLIGHT_PLATFORM;
156
157 oaktrail_backlight_device = backlight_device_register("oaktrail-bl",
158 NULL, (void *)dev, &oaktrail_ops, &props);
159
160 if (IS_ERR(oaktrail_backlight_device))
161 return PTR_ERR(oaktrail_backlight_device);
162
163 ret = device_backlight_init(dev);
164 if (ret < 0) {
165 backlight_device_unregister(oaktrail_backlight_device);
166 return ret;
167 }
168 oaktrail_backlight_device->props.brightness = 100;
169 oaktrail_backlight_device->props.max_brightness = 100;
170 backlight_update_status(oaktrail_backlight_device);
171 dev_priv->backlight_device = oaktrail_backlight_device;
172 return 0;
173 }
174
175 #endif
176
177 /*
178 * Provide the Moorestown specific chip logic and low level methods
179 * for power management
180 */
181
182 /**
183 * oaktrail_save_display_registers - save registers lost on suspend
184 * @dev: our DRM device
185 *
186 * Save the state we need in order to be able to restore the interface
187 * upon resume from suspend
188 */
189 static int oaktrail_save_display_registers(struct drm_device *dev)
190 {
191 struct drm_psb_private *dev_priv = dev->dev_private;
192 struct psb_save_area *regs = &dev_priv->regs;
193 struct psb_pipe *p = &regs->pipe[0];
194 int i;
195 u32 pp_stat;
196
197 /* Display arbitration control + watermarks */
198 regs->psb.saveDSPARB = PSB_RVDC32(DSPARB);
199 regs->psb.saveDSPFW1 = PSB_RVDC32(DSPFW1);
200 regs->psb.saveDSPFW2 = PSB_RVDC32(DSPFW2);
201 regs->psb.saveDSPFW3 = PSB_RVDC32(DSPFW3);
202 regs->psb.saveDSPFW4 = PSB_RVDC32(DSPFW4);
203 regs->psb.saveDSPFW5 = PSB_RVDC32(DSPFW5);
204 regs->psb.saveDSPFW6 = PSB_RVDC32(DSPFW6);
205 regs->psb.saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
206
207 /* Pipe & plane A info */
208 p->conf = PSB_RVDC32(PIPEACONF);
209 p->src = PSB_RVDC32(PIPEASRC);
210 p->fp0 = PSB_RVDC32(MRST_FPA0);
211 p->fp1 = PSB_RVDC32(MRST_FPA1);
212 p->dpll = PSB_RVDC32(MRST_DPLL_A);
213 p->htotal = PSB_RVDC32(HTOTAL_A);
214 p->hblank = PSB_RVDC32(HBLANK_A);
215 p->hsync = PSB_RVDC32(HSYNC_A);
216 p->vtotal = PSB_RVDC32(VTOTAL_A);
217 p->vblank = PSB_RVDC32(VBLANK_A);
218 p->vsync = PSB_RVDC32(VSYNC_A);
219 regs->psb.saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
220 p->cntr = PSB_RVDC32(DSPACNTR);
221 p->stride = PSB_RVDC32(DSPASTRIDE);
222 p->addr = PSB_RVDC32(DSPABASE);
223 p->surf = PSB_RVDC32(DSPASURF);
224 p->linoff = PSB_RVDC32(DSPALINOFF);
225 p->tileoff = PSB_RVDC32(DSPATILEOFF);
226
227 /* Save cursor regs */
228 regs->psb.saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
229 regs->psb.saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
230 regs->psb.saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
231
232 /* Save palette (gamma) */
233 for (i = 0; i < 256; i++)
234 p->palette[i] = PSB_RVDC32(PALETTE_A + (i << 2));
235
236 if (dev_priv->hdmi_priv)
237 oaktrail_hdmi_save(dev);
238
239 /* Save performance state */
240 regs->psb.savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
241
242 /* LVDS state */
243 regs->psb.savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
244 regs->psb.savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
245 regs->psb.savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
246 regs->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
247 regs->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
248 regs->psb.saveLVDS = PSB_RVDC32(LVDS);
249 regs->psb.savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
250 regs->psb.savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
251 regs->psb.savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
252 regs->psb.savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
253
254 /* HW overlay */
255 regs->psb.saveOV_OVADD = PSB_RVDC32(OV_OVADD);
256 regs->psb.saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
257 regs->psb.saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
258 regs->psb.saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
259 regs->psb.saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
260 regs->psb.saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
261 regs->psb.saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
262
263 /* DPST registers */
264 regs->psb.saveHISTOGRAM_INT_CONTROL_REG =
265 PSB_RVDC32(HISTOGRAM_INT_CONTROL);
266 regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG =
267 PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
268 regs->psb.savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
269
270 if (dev_priv->iLVDS_enable) {
271 /* Shut down the panel */
272 PSB_WVDC32(0, PP_CONTROL);
273
274 do {
275 pp_stat = PSB_RVDC32(PP_STATUS);
276 } while (pp_stat & 0x80000000);
277
278 /* Turn off the plane */
279 PSB_WVDC32(0x58000000, DSPACNTR);
280 /* Trigger the plane disable */
281 PSB_WVDC32(0, DSPASURF);
282
283 /* Wait ~4 ticks */
284 msleep(4);
285
286 /* Turn off pipe */
287 PSB_WVDC32(0x0, PIPEACONF);
288 /* Wait ~8 ticks */
289 msleep(8);
290
291 /* Turn off PLLs */
292 PSB_WVDC32(0, MRST_DPLL_A);
293 }
294 return 0;
295 }
296
297 /**
298 * oaktrail_restore_display_registers - restore lost register state
299 * @dev: our DRM device
300 *
301 * Restore register state that was lost during suspend and resume.
302 */
303 static int oaktrail_restore_display_registers(struct drm_device *dev)
304 {
305 struct drm_psb_private *dev_priv = dev->dev_private;
306 struct psb_save_area *regs = &dev_priv->regs;
307 struct psb_pipe *p = &regs->pipe[0];
308 u32 pp_stat;
309 int i;
310
311 /* Display arbitration + watermarks */
312 PSB_WVDC32(regs->psb.saveDSPARB, DSPARB);
313 PSB_WVDC32(regs->psb.saveDSPFW1, DSPFW1);
314 PSB_WVDC32(regs->psb.saveDSPFW2, DSPFW2);
315 PSB_WVDC32(regs->psb.saveDSPFW3, DSPFW3);
316 PSB_WVDC32(regs->psb.saveDSPFW4, DSPFW4);
317 PSB_WVDC32(regs->psb.saveDSPFW5, DSPFW5);
318 PSB_WVDC32(regs->psb.saveDSPFW6, DSPFW6);
319 PSB_WVDC32(regs->psb.saveCHICKENBIT, DSPCHICKENBIT);
320
321 /* Make sure VGA plane is off. it initializes to on after reset!*/
322 PSB_WVDC32(0x80000000, VGACNTRL);
323
324 /* set the plls */
325 PSB_WVDC32(p->fp0, MRST_FPA0);
326 PSB_WVDC32(p->fp1, MRST_FPA1);
327
328 /* Actually enable it */
329 PSB_WVDC32(p->dpll, MRST_DPLL_A);
330 DRM_UDELAY(150);
331
332 /* Restore mode */
333 PSB_WVDC32(p->htotal, HTOTAL_A);
334 PSB_WVDC32(p->hblank, HBLANK_A);
335 PSB_WVDC32(p->hsync, HSYNC_A);
336 PSB_WVDC32(p->vtotal, VTOTAL_A);
337 PSB_WVDC32(p->vblank, VBLANK_A);
338 PSB_WVDC32(p->vsync, VSYNC_A);
339 PSB_WVDC32(p->src, PIPEASRC);
340 PSB_WVDC32(regs->psb.saveBCLRPAT_A, BCLRPAT_A);
341
342 /* Restore performance mode*/
343 PSB_WVDC32(regs->psb.savePERF_MODE, MRST_PERF_MODE);
344
345 /* Enable the pipe*/
346 if (dev_priv->iLVDS_enable)
347 PSB_WVDC32(p->conf, PIPEACONF);
348
349 /* Set up the plane*/
350 PSB_WVDC32(p->linoff, DSPALINOFF);
351 PSB_WVDC32(p->stride, DSPASTRIDE);
352 PSB_WVDC32(p->tileoff, DSPATILEOFF);
353
354 /* Enable the plane */
355 PSB_WVDC32(p->cntr, DSPACNTR);
356 PSB_WVDC32(p->surf, DSPASURF);
357
358 /* Enable Cursor A */
359 PSB_WVDC32(regs->psb.saveDSPACURSOR_CTRL, CURACNTR);
360 PSB_WVDC32(regs->psb.saveDSPACURSOR_POS, CURAPOS);
361 PSB_WVDC32(regs->psb.saveDSPACURSOR_BASE, CURABASE);
362
363 /* Restore palette (gamma) */
364 for (i = 0; i < 256; i++)
365 PSB_WVDC32(p->palette[i], PALETTE_A + (i << 2));
366
367 if (dev_priv->hdmi_priv)
368 oaktrail_hdmi_restore(dev);
369
370 if (dev_priv->iLVDS_enable) {
371 PSB_WVDC32(regs->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
372 PSB_WVDC32(regs->psb.saveLVDS, LVDS); /*port 61180h*/
373 PSB_WVDC32(regs->psb.savePFIT_CONTROL, PFIT_CONTROL);
374 PSB_WVDC32(regs->psb.savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
375 PSB_WVDC32(regs->psb.savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
376 PSB_WVDC32(regs->saveBLC_PWM_CTL, BLC_PWM_CTL);
377 PSB_WVDC32(regs->psb.savePP_ON_DELAYS, LVDSPP_ON);
378 PSB_WVDC32(regs->psb.savePP_OFF_DELAYS, LVDSPP_OFF);
379 PSB_WVDC32(regs->psb.savePP_DIVISOR, PP_CYCLE);
380 PSB_WVDC32(regs->psb.savePP_CONTROL, PP_CONTROL);
381 }
382
383 /* Wait for cycle delay */
384 do {
385 pp_stat = PSB_RVDC32(PP_STATUS);
386 } while (pp_stat & 0x08000000);
387
388 /* Wait for panel power up */
389 do {
390 pp_stat = PSB_RVDC32(PP_STATUS);
391 } while (pp_stat & 0x10000000);
392
393 /* Restore HW overlay */
394 PSB_WVDC32(regs->psb.saveOV_OVADD, OV_OVADD);
395 PSB_WVDC32(regs->psb.saveOV_OGAMC0, OV_OGAMC0);
396 PSB_WVDC32(regs->psb.saveOV_OGAMC1, OV_OGAMC1);
397 PSB_WVDC32(regs->psb.saveOV_OGAMC2, OV_OGAMC2);
398 PSB_WVDC32(regs->psb.saveOV_OGAMC3, OV_OGAMC3);
399 PSB_WVDC32(regs->psb.saveOV_OGAMC4, OV_OGAMC4);
400 PSB_WVDC32(regs->psb.saveOV_OGAMC5, OV_OGAMC5);
401
402 /* DPST registers */
403 PSB_WVDC32(regs->psb.saveHISTOGRAM_INT_CONTROL_REG,
404 HISTOGRAM_INT_CONTROL);
405 PSB_WVDC32(regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG,
406 HISTOGRAM_LOGIC_CONTROL);
407 PSB_WVDC32(regs->psb.savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
408
409 return 0;
410 }
411
412 /**
413 * oaktrail_power_down - power down the display island
414 * @dev: our DRM device
415 *
416 * Power down the display interface of our device
417 */
418 static int oaktrail_power_down(struct drm_device *dev)
419 {
420 struct drm_psb_private *dev_priv = dev->dev_private;
421 u32 pwr_mask ;
422 u32 pwr_sts;
423
424 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
425 outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
426
427 while (true) {
428 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
429 if ((pwr_sts & pwr_mask) == pwr_mask)
430 break;
431 else
432 udelay(10);
433 }
434 return 0;
435 }
436
437 /*
438 * oaktrail_power_up
439 *
440 * Restore power to the specified island(s) (powergating)
441 */
442 static int oaktrail_power_up(struct drm_device *dev)
443 {
444 struct drm_psb_private *dev_priv = dev->dev_private;
445 u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
446 u32 pwr_sts, pwr_cnt;
447
448 pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
449 pwr_cnt &= ~pwr_mask;
450 outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
451
452 while (true) {
453 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
454 if ((pwr_sts & pwr_mask) == 0)
455 break;
456 else
457 udelay(10);
458 }
459 return 0;
460 }
461
462 /* Oaktrail */
463 static const struct psb_offset oaktrail_regmap[2] = {
464 {
465 .fp0 = MRST_FPA0,
466 .fp1 = MRST_FPA1,
467 .cntr = DSPACNTR,
468 .conf = PIPEACONF,
469 .src = PIPEASRC,
470 .dpll = MRST_DPLL_A,
471 .htotal = HTOTAL_A,
472 .hblank = HBLANK_A,
473 .hsync = HSYNC_A,
474 .vtotal = VTOTAL_A,
475 .vblank = VBLANK_A,
476 .vsync = VSYNC_A,
477 .stride = DSPASTRIDE,
478 .size = DSPASIZE,
479 .pos = DSPAPOS,
480 .surf = DSPASURF,
481 .addr = MRST_DSPABASE,
482 .base = MRST_DSPABASE,
483 .status = PIPEASTAT,
484 .linoff = DSPALINOFF,
485 .tileoff = DSPATILEOFF,
486 .palette = PALETTE_A,
487 },
488 {
489 .fp0 = FPB0,
490 .fp1 = FPB1,
491 .cntr = DSPBCNTR,
492 .conf = PIPEBCONF,
493 .src = PIPEBSRC,
494 .dpll = DPLL_B,
495 .htotal = HTOTAL_B,
496 .hblank = HBLANK_B,
497 .hsync = HSYNC_B,
498 .vtotal = VTOTAL_B,
499 .vblank = VBLANK_B,
500 .vsync = VSYNC_B,
501 .stride = DSPBSTRIDE,
502 .size = DSPBSIZE,
503 .pos = DSPBPOS,
504 .surf = DSPBSURF,
505 .addr = DSPBBASE,
506 .base = DSPBBASE,
507 .status = PIPEBSTAT,
508 .linoff = DSPBLINOFF,
509 .tileoff = DSPBTILEOFF,
510 .palette = PALETTE_B,
511 },
512 };
513
514 static int oaktrail_chip_setup(struct drm_device *dev)
515 {
516 struct drm_psb_private *dev_priv = dev->dev_private;
517 int ret;
518
519 if (pci_enable_msi(dev->pdev))
520 dev_warn(dev->dev, "Enabling MSI failed!\n");
521
522 dev_priv->regmap = oaktrail_regmap;
523
524 ret = mid_chip_setup(dev);
525 if (ret < 0)
526 return ret;
527 if (!dev_priv->has_gct) {
528 /* Now pull the BIOS data */
529 psb_intel_opregion_init(dev);
530 psb_intel_init_bios(dev);
531 }
532 gma_intel_setup_gmbus(dev);
533 oaktrail_hdmi_setup(dev);
534 return 0;
535 }
536
537 static void oaktrail_teardown(struct drm_device *dev)
538 {
539 struct drm_psb_private *dev_priv = dev->dev_private;
540
541 gma_intel_teardown_gmbus(dev);
542 oaktrail_hdmi_teardown(dev);
543 if (!dev_priv->has_gct)
544 psb_intel_destroy_bios(dev);
545 }
546
547 const struct psb_ops oaktrail_chip_ops = {
548 .name = "Oaktrail",
549 .accel_2d = 1,
550 .pipes = 2,
551 .crtcs = 2,
552 .hdmi_mask = (1 << 1),
553 .lvds_mask = (1 << 0),
554 .sdvo_mask = (1 << 1),
555 .cursor_needs_phys = 0,
556 .sgx_offset = MRST_SGX_OFFSET,
557
558 .chip_setup = oaktrail_chip_setup,
559 .chip_teardown = oaktrail_teardown,
560 .crtc_helper = &oaktrail_helper_funcs,
561 .crtc_funcs = &psb_intel_crtc_funcs,
562
563 .output_init = oaktrail_output_init,
564
565 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
566 .backlight_init = oaktrail_backlight_init,
567 #endif
568
569 .save_regs = oaktrail_save_display_registers,
570 .restore_regs = oaktrail_restore_display_registers,
571 .power_down = oaktrail_power_down,
572 .power_up = oaktrail_power_up,
573
574 .i2c_bus = 1,
575 };
Linux with added FPC-III support