summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/gma500/cdv_device.c
blob: 8745971a768037059df59ca3ea2eef2a7ef4fad2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
/**************************************************************************
 * Copyright (c) 2011, Intel Corporation.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 *
 **************************************************************************/

#include <linux/backlight.h>
#include <drm/drmP.h>
#include <drm/drm.h>
#include <drm/gma_drm.h>
#include "psb_drv.h"
#include "psb_reg.h"
#include "psb_intel_reg.h"
#include "intel_bios.h"
#include "cdv_device.h"
#include "gma_device.h"

#define VGA_SR_INDEX		0x3c4
#define VGA_SR_DATA		0x3c5

static void cdv_disable_vga(struct drm_device *dev)
{
	u8 sr1;
	u32 vga_reg;

	vga_reg = VGACNTRL;

	outb(1, VGA_SR_INDEX);
	sr1 = inb(VGA_SR_DATA);
	outb(sr1 | 1<<5, VGA_SR_DATA);
	udelay(300);

	REG_WRITE(vga_reg, VGA_DISP_DISABLE);
	REG_READ(vga_reg);
}

static int cdv_output_init(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;

	drm_mode_create_scaling_mode_property(dev);

	cdv_disable_vga(dev);

	cdv_intel_crt_init(dev, &dev_priv->mode_dev);
	cdv_intel_lvds_init(dev, &dev_priv->mode_dev);

	/* These bits indicate HDMI not SDVO on CDV */
	if (REG_READ(SDVOB) & SDVO_DETECTED) {
		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
		if (REG_READ(DP_B) & DP_DETECTED)
			cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_B);
	}

	if (REG_READ(SDVOC) & SDVO_DETECTED) {
		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
		if (REG_READ(DP_C) & DP_DETECTED)
			cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
	}
	return 0;
}

#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE

/*
 *	Cedartrail Backlght Interfaces
 */

static struct backlight_device *cdv_backlight_device;

static int cdv_backlight_combination_mode(struct drm_device *dev)
{
	return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE;
}

static u32 cdv_get_max_backlight(struct drm_device *dev)
{
	u32 max = REG_READ(BLC_PWM_CTL);

	if (max == 0) {
		DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n");
		/* i915 does this, I believe which means that we should not
		 * smash PWM control as firmware will take control of it. */
		return 1;
	}

	max >>= 16;
	if (cdv_backlight_combination_mode(dev))
		max *= 0xff;
	return max;
}

static int cdv_get_brightness(struct backlight_device *bd)
{
	struct drm_device *dev = bl_get_data(bd);
	u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;

	if (cdv_backlight_combination_mode(dev)) {
		u8 lbpc;

		val &= ~1;
		pci_read_config_byte(dev->pdev, 0xF4, &lbpc);
		val *= lbpc;
	}
	return (val * 100)/cdv_get_max_backlight(dev);

}

static int cdv_set_brightness(struct backlight_device *bd)
{
	struct drm_device *dev = bl_get_data(bd);
	int level = bd->props.brightness;
	u32 blc_pwm_ctl;

	/* Percentage 1-100% being valid */
	if (level < 1)
		level = 1;

	level *= cdv_get_max_backlight(dev);
	level /= 100;

	if (cdv_backlight_combination_mode(dev)) {
		u32 max = cdv_get_max_backlight(dev);
		u8 lbpc;

		lbpc = level * 0xfe / max + 1;
		level /= lbpc;

		pci_write_config_byte(dev->pdev, 0xF4, lbpc);
	}

	blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
	REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
	return 0;
}

static const struct backlight_ops cdv_ops = {
	.get_brightness = cdv_get_brightness,
	.update_status  = cdv_set_brightness,
};

static int cdv_backlight_init(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	struct backlight_properties props;

	memset(&props, 0, sizeof(struct backlight_properties));
	props.max_brightness = 100;
	props.type = BACKLIGHT_PLATFORM;

	cdv_backlight_device = backlight_device_register("psb-bl",
					NULL, (void *)dev, &cdv_ops, &props);
	if (IS_ERR(cdv_backlight_device))
		return PTR_ERR(cdv_backlight_device);

	cdv_backlight_device->props.brightness =
			cdv_get_brightness(cdv_backlight_device);
	backlight_update_status(cdv_backlight_device);
	dev_priv->backlight_device = cdv_backlight_device;
	dev_priv->backlight_enabled = true;
	return 0;
}

#endif

/*
 *	Provide the Cedarview specific chip logic and low level methods
 *	for power management
 *
 *	FIXME: we need to implement the apm/ospm base management bits
 *	for this and the MID devices.
 */

static inline u32 CDV_MSG_READ32(uint port, uint offset)
{
	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
	uint32_t ret_val = 0;
	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
	pci_write_config_dword(pci_root, 0xD0, mcr);
	pci_read_config_dword(pci_root, 0xD4, &ret_val);
	pci_dev_put(pci_root);
	return ret_val;
}

static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
{
	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
	pci_write_config_dword(pci_root, 0xD4, value);
	pci_write_config_dword(pci_root, 0xD0, mcr);
	pci_dev_put(pci_root);
}

#define PSB_PM_SSC			0x20
#define PSB_PM_SSS			0x30
#define PSB_PWRGT_GFX_ON		0x02
#define PSB_PWRGT_GFX_OFF		0x01
#define PSB_PWRGT_GFX_D0		0x00
#define PSB_PWRGT_GFX_D3		0x03

static void cdv_init_pm(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	u32 pwr_cnt;
	int i;

	dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
							PSB_APMBA) & 0xFFFF;
	dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
							PSB_OSPMBA) & 0xFFFF;

	/* Power status */
	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);

	/* Enable the GPU */
	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
	pwr_cnt |= PSB_PWRGT_GFX_ON;
	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);

	/* Wait for the GPU power */
	for (i = 0; i < 5; i++) {
		u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
		if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
			return;
		udelay(10);
	}
	dev_err(dev->dev, "GPU: power management timed out.\n");
}

static void cdv_errata(struct drm_device *dev)
{
	/* Disable bonus launch.
	 *	CPU and GPU competes for memory and display misses updates and
	 *	flickers. Worst with dual core, dual displays.
	 *
	 *	Fixes were done to Win 7 gfx driver to disable a feature called
	 *	Bonus Launch to work around the issue, by degrading
	 *	performance.
	 */
	 CDV_MSG_WRITE32(3, 0x30, 0x08027108);
}

/**
 *	cdv_save_display_registers	-	save registers lost on suspend
 *	@dev: our DRM device
 *
 *	Save the state we need in order to be able to restore the interface
 *	upon resume from suspend
 */
static int cdv_save_display_registers(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	struct psb_save_area *regs = &dev_priv->regs;
	struct drm_connector *connector;

	dev_dbg(dev->dev, "Saving GPU registers.\n");

	pci_read_config_byte(dev->pdev, 0xF4, &regs->cdv.saveLBB);

	regs->cdv.saveDSPCLK_GATE_D = REG_READ(DSPCLK_GATE_D);
	regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);

	regs->cdv.saveDSPARB = REG_READ(DSPARB);
	regs->cdv.saveDSPFW[0] = REG_READ(DSPFW1);
	regs->cdv.saveDSPFW[1] = REG_READ(DSPFW2);
	regs->cdv.saveDSPFW[2] = REG_READ(DSPFW3);
	regs->cdv.saveDSPFW[3] = REG_READ(DSPFW4);
	regs->cdv.saveDSPFW[4] = REG_READ(DSPFW5);
	regs->cdv.saveDSPFW[5] = REG_READ(DSPFW6);

	regs->cdv.saveADPA = REG_READ(ADPA);

	regs->cdv.savePP_CONTROL = REG_READ(PP_CONTROL);
	regs->cdv.savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
	regs->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
	regs->saveBLC_PWM_CTL2 = REG_READ(BLC_PWM_CTL2);
	regs->cdv.saveLVDS = REG_READ(LVDS);

	regs->cdv.savePFIT_CONTROL = REG_READ(PFIT_CONTROL);

	regs->cdv.savePP_ON_DELAYS = REG_READ(PP_ON_DELAYS);
	regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
	regs->cdv.savePP_CYCLE = REG_READ(PP_CYCLE);

	regs->cdv.saveVGACNTRL = REG_READ(VGACNTRL);

	regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R);
	regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R);

	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
		connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);

	return 0;
}

/**
 *	cdv_restore_display_registers	-	restore lost register state
 *	@dev: our DRM device
 *
 *	Restore register state that was lost during suspend and resume.
 *
 *	FIXME: review
 */
static int cdv_restore_display_registers(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	struct psb_save_area *regs = &dev_priv->regs;
	struct drm_connector *connector;
	u32 temp;

	pci_write_config_byte(dev->pdev, 0xF4, regs->cdv.saveLBB);

	REG_WRITE(DSPCLK_GATE_D, regs->cdv.saveDSPCLK_GATE_D);
	REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);

	/* BIOS does below anyway */
	REG_WRITE(DPIO_CFG, 0);
	REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);

	temp = REG_READ(DPLL_A);
	if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
		REG_WRITE(DPLL_A, temp | DPLL_SYNCLOCK_ENABLE);
		REG_READ(DPLL_A);
	}

	temp = REG_READ(DPLL_B);
	if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
		REG_WRITE(DPLL_B, temp | DPLL_SYNCLOCK_ENABLE);
		REG_READ(DPLL_B);
	}

	udelay(500);

	REG_WRITE(DSPFW1, regs->cdv.saveDSPFW[0]);
	REG_WRITE(DSPFW2, regs->cdv.saveDSPFW[1]);
	REG_WRITE(DSPFW3, regs->cdv.saveDSPFW[2]);
	REG_WRITE(DSPFW4, regs->cdv.saveDSPFW[3]);
	REG_WRITE(DSPFW5, regs->cdv.saveDSPFW[4]);
	REG_WRITE(DSPFW6, regs->cdv.saveDSPFW[5]);

	REG_WRITE(DSPARB, regs->cdv.saveDSPARB);
	REG_WRITE(ADPA, regs->cdv.saveADPA);

	REG_WRITE(BLC_PWM_CTL2, regs->saveBLC_PWM_CTL2);
	REG_WRITE(LVDS, regs->cdv.saveLVDS);
	REG_WRITE(PFIT_CONTROL, regs->cdv.savePFIT_CONTROL);
	REG_WRITE(PFIT_PGM_RATIOS, regs->cdv.savePFIT_PGM_RATIOS);
	REG_WRITE(BLC_PWM_CTL, regs->saveBLC_PWM_CTL);
	REG_WRITE(PP_ON_DELAYS, regs->cdv.savePP_ON_DELAYS);
	REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
	REG_WRITE(PP_CYCLE, regs->cdv.savePP_CYCLE);
	REG_WRITE(PP_CONTROL, regs->cdv.savePP_CONTROL);

	REG_WRITE(VGACNTRL, regs->cdv.saveVGACNTRL);

	REG_WRITE(PSB_INT_ENABLE_R, regs->cdv.saveIER);
	REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR);

	/* Fix arbitration bug */
	cdv_errata(dev);

	drm_mode_config_reset(dev);

	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
		connector->funcs->dpms(connector, DRM_MODE_DPMS_ON);

	/* Resume the modeset for every activated CRTC */
	drm_helper_resume_force_mode(dev);
	return 0;
}

static int cdv_power_down(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	u32 pwr_cnt, pwr_mask, pwr_sts;
	int tries = 5;

	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
	pwr_cnt |= PSB_PWRGT_GFX_OFF;
	pwr_mask = PSB_PWRGT_GFX_MASK;

	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);

	while (tries--) {
		pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
		if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D3)
			return 0;
		udelay(10);
	}
	return 0;
}

static int cdv_power_up(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	u32 pwr_cnt, pwr_mask, pwr_sts;
	int tries = 5;

	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
	pwr_cnt |= PSB_PWRGT_GFX_ON;
	pwr_mask = PSB_PWRGT_GFX_MASK;

	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);

	while (tries--) {
		pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
		if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D0)
			return 0;
		udelay(10);
	}
	return 0;
}

static void cdv_hotplug_work_func(struct work_struct *work)
{
        struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
							hotplug_work);                 
        struct drm_device *dev = dev_priv->dev;

        /* Just fire off a uevent and let userspace tell us what to do */
        drm_helper_hpd_irq_event(dev);
}                       

/* The core driver has received a hotplug IRQ. We are in IRQ context
   so extract the needed information and kick off queued processing */
   
static int cdv_hotplug_event(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	schedule_work(&dev_priv->hotplug_work);
	REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
	return 1;
}

static void cdv_hotplug_enable(struct drm_device *dev, bool on)
{
	if (on) {
		u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
		hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN |
			   HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN;
		REG_WRITE(PORT_HOTPLUG_EN, hotplug);
	}  else {
		REG_WRITE(PORT_HOTPLUG_EN, 0);
		REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
	}	
}

static const char *force_audio_names[] = {
	"off",
	"auto",
	"on",
};

void cdv_intel_attach_force_audio_property(struct drm_connector *connector)
{
	struct drm_device *dev = connector->dev;
	struct drm_psb_private *dev_priv = dev->dev_private;
	struct drm_property *prop;
	int i;

	prop = dev_priv->force_audio_property;
	if (prop == NULL) {
		prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
					   "audio",
					   ARRAY_SIZE(force_audio_names));
		if (prop == NULL)
			return;

		for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
			drm_property_add_enum(prop, i, i-1, force_audio_names[i]);

		dev_priv->force_audio_property = prop;
	}
	drm_object_attach_property(&connector->base, prop, 0);
}


static const char *broadcast_rgb_names[] = {
	"Full",
	"Limited 16:235",
};

void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector)
{
	struct drm_device *dev = connector->dev;
	struct drm_psb_private *dev_priv = dev->dev_private;
	struct drm_property *prop;
	int i;

	prop = dev_priv->broadcast_rgb_property;
	if (prop == NULL) {
		prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
					   "Broadcast RGB",
					   ARRAY_SIZE(broadcast_rgb_names));
		if (prop == NULL)
			return;

		for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
			drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]);

		dev_priv->broadcast_rgb_property = prop;
	}

	drm_object_attach_property(&connector->base, prop, 0);
}

/* Cedarview */
static const struct psb_offset cdv_regmap[2] = {
	{
		.fp0 = FPA0,
		.fp1 = FPA1,
		.cntr = DSPACNTR,
		.conf = PIPEACONF,
		.src = PIPEASRC,
		.dpll = DPLL_A,
		.dpll_md = DPLL_A_MD,
		.htotal = HTOTAL_A,
		.hblank = HBLANK_A,
		.hsync = HSYNC_A,
		.vtotal = VTOTAL_A,
		.vblank = VBLANK_A,
		.vsync = VSYNC_A,
		.stride = DSPASTRIDE,
		.size = DSPASIZE,
		.pos = DSPAPOS,
		.base = DSPABASE,
		.surf = DSPASURF,
		.addr = DSPABASE,
		.status = PIPEASTAT,
		.linoff = DSPALINOFF,
		.tileoff = DSPATILEOFF,
		.palette = PALETTE_A,
	},
	{
		.fp0 = FPB0,
		.fp1 = FPB1,
		.cntr = DSPBCNTR,
		.conf = PIPEBCONF,
		.src = PIPEBSRC,
		.dpll = DPLL_B,
		.dpll_md = DPLL_B_MD,
		.htotal = HTOTAL_B,
		.hblank = HBLANK_B,
		.hsync = HSYNC_B,
		.vtotal = VTOTAL_B,
		.vblank = VBLANK_B,
		.vsync = VSYNC_B,
		.stride = DSPBSTRIDE,
		.size = DSPBSIZE,
		.pos = DSPBPOS,
		.base = DSPBBASE,
		.surf = DSPBSURF,
		.addr = DSPBBASE,
		.status = PIPEBSTAT,
		.linoff = DSPBLINOFF,
		.tileoff = DSPBTILEOFF,
		.palette = PALETTE_B,
	}
};

static int cdv_chip_setup(struct drm_device *dev)
{
	struct drm_psb_private *dev_priv = dev->dev_private;
	INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func);

	if (pci_enable_msi(dev->pdev))
		dev_warn(dev->dev, "Enabling MSI failed!\n");
	dev_priv->regmap = cdv_regmap;
	gma_get_core_freq(dev);
	psb_intel_opregion_init(dev);
	psb_intel_init_bios(dev);
	cdv_hotplug_enable(dev, false);
	return 0;
}

/* CDV is much like Poulsbo but has MID like SGX offsets and PM */

const struct psb_ops cdv_chip_ops = {
	.name = "GMA3600/3650",
	.accel_2d = 0,
	.pipes = 2,
	.crtcs = 2,
	.hdmi_mask = (1 << 0) | (1 << 1),
	.lvds_mask = (1 << 1),
	.sdvo_mask = (1 << 0),
	.cursor_needs_phys = 0,
	.sgx_offset = MRST_SGX_OFFSET,
	.chip_setup = cdv_chip_setup,
	.errata = cdv_errata,

	.crtc_helper = &cdv_intel_helper_funcs,
	.crtc_funcs = &cdv_intel_crtc_funcs,
	.clock_funcs = &cdv_clock_funcs,

	.output_init = cdv_output_init,
	.hotplug = cdv_hotplug_event,
	.hotplug_enable = cdv_hotplug_enable,

#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
	.backlight_init = cdv_backlight_init,
#endif

	.init_pm = cdv_init_pm,
	.save_regs = cdv_save_display_registers,
	.restore_regs = cdv_restore_display_registers,
	.save_crtc = gma_crtc_save,
	.restore_crtc = gma_crtc_restore,
	.power_down = cdv_power_down,
	.power_up = cdv_power_up,
	.update_wm = cdv_update_wm,
	.disable_sr = cdv_disable_sr,
};