1 // SPDX-License-Identifier: GPL-2.0-only
2 /**************************************************************************
3  * Copyright (c) 2011, Intel Corporation.
4  * All Rights Reserved.
5  *
6  **************************************************************************/
7 
8 #include <linux/backlight.h>
9 #include <linux/delay.h>
10 
11 #include <drm/drm.h>
12 
13 #include "cdv_device.h"
14 #include "gma_device.h"
15 #include "intel_bios.h"
16 #include "psb_drv.h"
17 #include "psb_intel_reg.h"
18 #include "psb_reg.h"
19 
20 #define VGA_SR_INDEX		0x3c4
21 #define VGA_SR_DATA		0x3c5
22 
23 static void cdv_disable_vga(struct drm_device *dev)
24 {
25 	u8 sr1;
26 	u32 vga_reg;
27 
28 	vga_reg = VGACNTRL;
29 
30 	outb(1, VGA_SR_INDEX);
31 	sr1 = inb(VGA_SR_DATA);
32 	outb(sr1 | 1<<5, VGA_SR_DATA);
33 	udelay(300);
34 
35 	REG_WRITE(vga_reg, VGA_DISP_DISABLE);
36 	REG_READ(vga_reg);
37 }
38 
39 static int cdv_output_init(struct drm_device *dev)
40 {
41 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
42 
43 	drm_mode_create_scaling_mode_property(dev);
44 
45 	cdv_disable_vga(dev);
46 
47 	cdv_intel_crt_init(dev, &dev_priv->mode_dev);
48 	cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
49 
50 	/* These bits indicate HDMI not SDVO on CDV */
51 	if (REG_READ(SDVOB) & SDVO_DETECTED) {
52 		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
53 		if (REG_READ(DP_B) & DP_DETECTED)
54 			cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_B);
55 	}
56 
57 	if (REG_READ(SDVOC) & SDVO_DETECTED) {
58 		cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
59 		if (REG_READ(DP_C) & DP_DETECTED)
60 			cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
61 	}
62 	return 0;
63 }
64 
65 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
66 
67 /*
68  *	Cedartrail Backlght Interfaces
69  */
70 
71 static struct backlight_device *cdv_backlight_device;
72 
73 static int cdv_backlight_combination_mode(struct drm_device *dev)
74 {
75 	return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE;
76 }
77 
78 static u32 cdv_get_max_backlight(struct drm_device *dev)
79 {
80 	u32 max = REG_READ(BLC_PWM_CTL);
81 
82 	if (max == 0) {
83 		DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n");
84 		/* i915 does this, I believe which means that we should not
85 		 * smash PWM control as firmware will take control of it. */
86 		return 1;
87 	}
88 
89 	max >>= 16;
90 	if (cdv_backlight_combination_mode(dev))
91 		max *= 0xff;
92 	return max;
93 }
94 
95 static int cdv_get_brightness(struct backlight_device *bd)
96 {
97 	struct drm_device *dev = bl_get_data(bd);
98 	struct pci_dev *pdev = to_pci_dev(dev->dev);
99 	u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
100 
101 	if (cdv_backlight_combination_mode(dev)) {
102 		u8 lbpc;
103 
104 		val &= ~1;
105 		pci_read_config_byte(pdev, 0xF4, &lbpc);
106 		val *= lbpc;
107 	}
108 	return (val * 100)/cdv_get_max_backlight(dev);
109 
110 }
111 
112 static int cdv_set_brightness(struct backlight_device *bd)
113 {
114 	struct drm_device *dev = bl_get_data(bd);
115 	struct pci_dev *pdev = to_pci_dev(dev->dev);
116 	int level = bd->props.brightness;
117 	u32 blc_pwm_ctl;
118 
119 	/* Percentage 1-100% being valid */
120 	if (level < 1)
121 		level = 1;
122 
123 	level *= cdv_get_max_backlight(dev);
124 	level /= 100;
125 
126 	if (cdv_backlight_combination_mode(dev)) {
127 		u32 max = cdv_get_max_backlight(dev);
128 		u8 lbpc;
129 
130 		lbpc = level * 0xfe / max + 1;
131 		level /= lbpc;
132 
133 		pci_write_config_byte(pdev, 0xF4, lbpc);
134 	}
135 
136 	blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
137 	REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
138 				(level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
139 	return 0;
140 }
141 
142 static const struct backlight_ops cdv_ops = {
143 	.get_brightness = cdv_get_brightness,
144 	.update_status  = cdv_set_brightness,
145 };
146 
147 static int cdv_backlight_init(struct drm_device *dev)
148 {
149 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
150 	struct backlight_properties props;
151 
152 	memset(&props, 0, sizeof(struct backlight_properties));
153 	props.max_brightness = 100;
154 	props.type = BACKLIGHT_PLATFORM;
155 
156 	cdv_backlight_device = backlight_device_register("psb-bl",
157 					NULL, (void *)dev, &cdv_ops, &props);
158 	if (IS_ERR(cdv_backlight_device))
159 		return PTR_ERR(cdv_backlight_device);
160 
161 	cdv_backlight_device->props.brightness =
162 			cdv_get_brightness(cdv_backlight_device);
163 	backlight_update_status(cdv_backlight_device);
164 	dev_priv->backlight_device = cdv_backlight_device;
165 	dev_priv->backlight_enabled = true;
166 	return 0;
167 }
168 
169 #endif
170 
171 /*
172  *	Provide the Cedarview specific chip logic and low level methods
173  *	for power management
174  *
175  *	FIXME: we need to implement the apm/ospm base management bits
176  *	for this and the MID devices.
177  */
178 
179 static inline u32 CDV_MSG_READ32(int domain, uint port, uint offset)
180 {
181 	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
182 	uint32_t ret_val = 0;
183 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
184 	pci_write_config_dword(pci_root, 0xD0, mcr);
185 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
186 	pci_dev_put(pci_root);
187 	return ret_val;
188 }
189 
190 static inline void CDV_MSG_WRITE32(int domain, uint port, uint offset,
191 				   u32 value)
192 {
193 	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
194 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
195 	pci_write_config_dword(pci_root, 0xD4, value);
196 	pci_write_config_dword(pci_root, 0xD0, mcr);
197 	pci_dev_put(pci_root);
198 }
199 
200 #define PSB_PM_SSC			0x20
201 #define PSB_PM_SSS			0x30
202 #define PSB_PWRGT_GFX_ON		0x02
203 #define PSB_PWRGT_GFX_OFF		0x01
204 #define PSB_PWRGT_GFX_D0		0x00
205 #define PSB_PWRGT_GFX_D3		0x03
206 
207 static void cdv_init_pm(struct drm_device *dev)
208 {
209 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
210 	struct pci_dev *pdev = to_pci_dev(dev->dev);
211 	u32 pwr_cnt;
212 	int domain = pci_domain_nr(pdev->bus);
213 	int i;
214 
215 	dev_priv->apm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
216 							PSB_APMBA) & 0xFFFF;
217 	dev_priv->ospm_base = CDV_MSG_READ32(domain, PSB_PUNIT_PORT,
218 							PSB_OSPMBA) & 0xFFFF;
219 
220 	/* Power status */
221 	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
222 
223 	/* Enable the GPU */
224 	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
225 	pwr_cnt |= PSB_PWRGT_GFX_ON;
226 	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
227 
228 	/* Wait for the GPU power */
229 	for (i = 0; i < 5; i++) {
230 		u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
231 		if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
232 			return;
233 		udelay(10);
234 	}
235 	dev_err(dev->dev, "GPU: power management timed out.\n");
236 }
237 
238 static void cdv_errata(struct drm_device *dev)
239 {
240 	struct pci_dev *pdev = to_pci_dev(dev->dev);
241 
242 	/* Disable bonus launch.
243 	 *	CPU and GPU competes for memory and display misses updates and
244 	 *	flickers. Worst with dual core, dual displays.
245 	 *
246 	 *	Fixes were done to Win 7 gfx driver to disable a feature called
247 	 *	Bonus Launch to work around the issue, by degrading
248 	 *	performance.
249 	 */
250 	 CDV_MSG_WRITE32(pci_domain_nr(pdev->bus), 3, 0x30, 0x08027108);
251 }
252 
253 /**
254  *	cdv_save_display_registers	-	save registers lost on suspend
255  *	@dev: our DRM device
256  *
257  *	Save the state we need in order to be able to restore the interface
258  *	upon resume from suspend
259  */
260 static int cdv_save_display_registers(struct drm_device *dev)
261 {
262 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
263 	struct pci_dev *pdev = to_pci_dev(dev->dev);
264 	struct psb_save_area *regs = &dev_priv->regs;
265 	struct drm_connector_list_iter conn_iter;
266 	struct drm_connector *connector;
267 
268 	dev_dbg(dev->dev, "Saving GPU registers.\n");
269 
270 	pci_read_config_byte(pdev, 0xF4, &regs->cdv.saveLBB);
271 
272 	regs->cdv.saveDSPCLK_GATE_D = REG_READ(DSPCLK_GATE_D);
273 	regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);
274 
275 	regs->cdv.saveDSPARB = REG_READ(DSPARB);
276 	regs->cdv.saveDSPFW[0] = REG_READ(DSPFW1);
277 	regs->cdv.saveDSPFW[1] = REG_READ(DSPFW2);
278 	regs->cdv.saveDSPFW[2] = REG_READ(DSPFW3);
279 	regs->cdv.saveDSPFW[3] = REG_READ(DSPFW4);
280 	regs->cdv.saveDSPFW[4] = REG_READ(DSPFW5);
281 	regs->cdv.saveDSPFW[5] = REG_READ(DSPFW6);
282 
283 	regs->cdv.saveADPA = REG_READ(ADPA);
284 
285 	regs->cdv.savePP_CONTROL = REG_READ(PP_CONTROL);
286 	regs->cdv.savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
287 	regs->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
288 	regs->saveBLC_PWM_CTL2 = REG_READ(BLC_PWM_CTL2);
289 	regs->cdv.saveLVDS = REG_READ(LVDS);
290 
291 	regs->cdv.savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
292 
293 	regs->cdv.savePP_ON_DELAYS = REG_READ(PP_ON_DELAYS);
294 	regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
295 	regs->cdv.savePP_CYCLE = REG_READ(PP_CYCLE);
296 
297 	regs->cdv.saveVGACNTRL = REG_READ(VGACNTRL);
298 
299 	regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R);
300 	regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R);
301 
302 	drm_connector_list_iter_begin(dev, &conn_iter);
303 	drm_for_each_connector_iter(connector, &conn_iter)
304 		connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
305 	drm_connector_list_iter_end(&conn_iter);
306 
307 	return 0;
308 }
309 
310 /**
311  *	cdv_restore_display_registers	-	restore lost register state
312  *	@dev: our DRM device
313  *
314  *	Restore register state that was lost during suspend and resume.
315  *
316  *	FIXME: review
317  */
318 static int cdv_restore_display_registers(struct drm_device *dev)
319 {
320 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
321 	struct pci_dev *pdev = to_pci_dev(dev->dev);
322 	struct psb_save_area *regs = &dev_priv->regs;
323 	struct drm_connector_list_iter conn_iter;
324 	struct drm_connector *connector;
325 	u32 temp;
326 
327 	pci_write_config_byte(pdev, 0xF4, regs->cdv.saveLBB);
328 
329 	REG_WRITE(DSPCLK_GATE_D, regs->cdv.saveDSPCLK_GATE_D);
330 	REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);
331 
332 	/* BIOS does below anyway */
333 	REG_WRITE(DPIO_CFG, 0);
334 	REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
335 
336 	temp = REG_READ(DPLL_A);
337 	if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
338 		REG_WRITE(DPLL_A, temp | DPLL_SYNCLOCK_ENABLE);
339 		REG_READ(DPLL_A);
340 	}
341 
342 	temp = REG_READ(DPLL_B);
343 	if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
344 		REG_WRITE(DPLL_B, temp | DPLL_SYNCLOCK_ENABLE);
345 		REG_READ(DPLL_B);
346 	}
347 
348 	udelay(500);
349 
350 	REG_WRITE(DSPFW1, regs->cdv.saveDSPFW[0]);
351 	REG_WRITE(DSPFW2, regs->cdv.saveDSPFW[1]);
352 	REG_WRITE(DSPFW3, regs->cdv.saveDSPFW[2]);
353 	REG_WRITE(DSPFW4, regs->cdv.saveDSPFW[3]);
354 	REG_WRITE(DSPFW5, regs->cdv.saveDSPFW[4]);
355 	REG_WRITE(DSPFW6, regs->cdv.saveDSPFW[5]);
356 
357 	REG_WRITE(DSPARB, regs->cdv.saveDSPARB);
358 	REG_WRITE(ADPA, regs->cdv.saveADPA);
359 
360 	REG_WRITE(BLC_PWM_CTL2, regs->saveBLC_PWM_CTL2);
361 	REG_WRITE(LVDS, regs->cdv.saveLVDS);
362 	REG_WRITE(PFIT_CONTROL, regs->cdv.savePFIT_CONTROL);
363 	REG_WRITE(PFIT_PGM_RATIOS, regs->cdv.savePFIT_PGM_RATIOS);
364 	REG_WRITE(BLC_PWM_CTL, regs->saveBLC_PWM_CTL);
365 	REG_WRITE(PP_ON_DELAYS, regs->cdv.savePP_ON_DELAYS);
366 	REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
367 	REG_WRITE(PP_CYCLE, regs->cdv.savePP_CYCLE);
368 	REG_WRITE(PP_CONTROL, regs->cdv.savePP_CONTROL);
369 
370 	REG_WRITE(VGACNTRL, regs->cdv.saveVGACNTRL);
371 
372 	REG_WRITE(PSB_INT_ENABLE_R, regs->cdv.saveIER);
373 	REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR);
374 
375 	/* Fix arbitration bug */
376 	cdv_errata(dev);
377 
378 	drm_mode_config_reset(dev);
379 
380 	drm_connector_list_iter_begin(dev, &conn_iter);
381 	drm_for_each_connector_iter(connector, &conn_iter)
382 		connector->funcs->dpms(connector, DRM_MODE_DPMS_ON);
383 	drm_connector_list_iter_end(&conn_iter);
384 
385 	/* Resume the modeset for every activated CRTC */
386 	drm_helper_resume_force_mode(dev);
387 	return 0;
388 }
389 
390 static int cdv_power_down(struct drm_device *dev)
391 {
392 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
393 	u32 pwr_cnt, pwr_mask, pwr_sts;
394 	int tries = 5;
395 
396 	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
397 	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
398 	pwr_cnt |= PSB_PWRGT_GFX_OFF;
399 	pwr_mask = PSB_PWRGT_GFX_MASK;
400 
401 	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
402 
403 	while (tries--) {
404 		pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
405 		if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D3)
406 			return 0;
407 		udelay(10);
408 	}
409 	return 0;
410 }
411 
412 static int cdv_power_up(struct drm_device *dev)
413 {
414 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
415 	u32 pwr_cnt, pwr_mask, pwr_sts;
416 	int tries = 5;
417 
418 	pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
419 	pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
420 	pwr_cnt |= PSB_PWRGT_GFX_ON;
421 	pwr_mask = PSB_PWRGT_GFX_MASK;
422 
423 	outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
424 
425 	while (tries--) {
426 		pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
427 		if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D0)
428 			return 0;
429 		udelay(10);
430 	}
431 	return 0;
432 }
433 
434 static void cdv_hotplug_work_func(struct work_struct *work)
435 {
436         struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
437 							hotplug_work);
438 	struct drm_device *dev = &dev_priv->dev;
439 
440         /* Just fire off a uevent and let userspace tell us what to do */
441         drm_helper_hpd_irq_event(dev);
442 }
443 
444 /* The core driver has received a hotplug IRQ. We are in IRQ context
445    so extract the needed information and kick off queued processing */
446 
447 static int cdv_hotplug_event(struct drm_device *dev)
448 {
449 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
450 	schedule_work(&dev_priv->hotplug_work);
451 	REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
452 	return 1;
453 }
454 
455 static void cdv_hotplug_enable(struct drm_device *dev, bool on)
456 {
457 	if (on) {
458 		u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
459 		hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN |
460 			   HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN;
461 		REG_WRITE(PORT_HOTPLUG_EN, hotplug);
462 	}  else {
463 		REG_WRITE(PORT_HOTPLUG_EN, 0);
464 		REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
465 	}
466 }
467 
468 static const char *force_audio_names[] = {
469 	"off",
470 	"auto",
471 	"on",
472 };
473 
474 void cdv_intel_attach_force_audio_property(struct drm_connector *connector)
475 {
476 	struct drm_device *dev = connector->dev;
477 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
478 	struct drm_property *prop;
479 	int i;
480 
481 	prop = dev_priv->force_audio_property;
482 	if (prop == NULL) {
483 		prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
484 					   "audio",
485 					   ARRAY_SIZE(force_audio_names));
486 		if (prop == NULL)
487 			return;
488 
489 		for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
490 			drm_property_add_enum(prop, i-1, force_audio_names[i]);
491 
492 		dev_priv->force_audio_property = prop;
493 	}
494 	drm_object_attach_property(&connector->base, prop, 0);
495 }
496 
497 
498 static const char *broadcast_rgb_names[] = {
499 	"Full",
500 	"Limited 16:235",
501 };
502 
503 void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector)
504 {
505 	struct drm_device *dev = connector->dev;
506 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
507 	struct drm_property *prop;
508 	int i;
509 
510 	prop = dev_priv->broadcast_rgb_property;
511 	if (prop == NULL) {
512 		prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
513 					   "Broadcast RGB",
514 					   ARRAY_SIZE(broadcast_rgb_names));
515 		if (prop == NULL)
516 			return;
517 
518 		for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
519 			drm_property_add_enum(prop, i, broadcast_rgb_names[i]);
520 
521 		dev_priv->broadcast_rgb_property = prop;
522 	}
523 
524 	drm_object_attach_property(&connector->base, prop, 0);
525 }
526 
527 /* Cedarview */
528 static const struct psb_offset cdv_regmap[2] = {
529 	{
530 		.fp0 = FPA0,
531 		.fp1 = FPA1,
532 		.cntr = DSPACNTR,
533 		.conf = PIPEACONF,
534 		.src = PIPEASRC,
535 		.dpll = DPLL_A,
536 		.dpll_md = DPLL_A_MD,
537 		.htotal = HTOTAL_A,
538 		.hblank = HBLANK_A,
539 		.hsync = HSYNC_A,
540 		.vtotal = VTOTAL_A,
541 		.vblank = VBLANK_A,
542 		.vsync = VSYNC_A,
543 		.stride = DSPASTRIDE,
544 		.size = DSPASIZE,
545 		.pos = DSPAPOS,
546 		.base = DSPABASE,
547 		.surf = DSPASURF,
548 		.addr = DSPABASE,
549 		.status = PIPEASTAT,
550 		.linoff = DSPALINOFF,
551 		.tileoff = DSPATILEOFF,
552 		.palette = PALETTE_A,
553 	},
554 	{
555 		.fp0 = FPB0,
556 		.fp1 = FPB1,
557 		.cntr = DSPBCNTR,
558 		.conf = PIPEBCONF,
559 		.src = PIPEBSRC,
560 		.dpll = DPLL_B,
561 		.dpll_md = DPLL_B_MD,
562 		.htotal = HTOTAL_B,
563 		.hblank = HBLANK_B,
564 		.hsync = HSYNC_B,
565 		.vtotal = VTOTAL_B,
566 		.vblank = VBLANK_B,
567 		.vsync = VSYNC_B,
568 		.stride = DSPBSTRIDE,
569 		.size = DSPBSIZE,
570 		.pos = DSPBPOS,
571 		.base = DSPBBASE,
572 		.surf = DSPBSURF,
573 		.addr = DSPBBASE,
574 		.status = PIPEBSTAT,
575 		.linoff = DSPBLINOFF,
576 		.tileoff = DSPBTILEOFF,
577 		.palette = PALETTE_B,
578 	}
579 };
580 
581 static int cdv_chip_setup(struct drm_device *dev)
582 {
583 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
584 	struct pci_dev *pdev = to_pci_dev(dev->dev);
585 	INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func);
586 
587 	if (pci_enable_msi(pdev))
588 		dev_warn(dev->dev, "Enabling MSI failed!\n");
589 	dev_priv->regmap = cdv_regmap;
590 	gma_get_core_freq(dev);
591 	psb_intel_opregion_init(dev);
592 	psb_intel_init_bios(dev);
593 	cdv_hotplug_enable(dev, false);
594 	return 0;
595 }
596 
597 /* CDV is much like Poulsbo but has MID like SGX offsets and PM */
598 
599 const struct psb_ops cdv_chip_ops = {
600 	.name = "GMA3600/3650",
601 	.pipes = 2,
602 	.crtcs = 2,
603 	.hdmi_mask = (1 << 0) | (1 << 1),
604 	.lvds_mask = (1 << 1),
605 	.sdvo_mask = (1 << 0),
606 	.cursor_needs_phys = 0,
607 	.sgx_offset = MRST_SGX_OFFSET,
608 	.chip_setup = cdv_chip_setup,
609 	.errata = cdv_errata,
610 
611 	.crtc_helper = &cdv_intel_helper_funcs,
612 	.clock_funcs = &cdv_clock_funcs,
613 
614 	.output_init = cdv_output_init,
615 	.hotplug = cdv_hotplug_event,
616 	.hotplug_enable = cdv_hotplug_enable,
617 
618 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
619 	.backlight_init = cdv_backlight_init,
620 #endif
621 
622 	.init_pm = cdv_init_pm,
623 	.save_regs = cdv_save_display_registers,
624 	.restore_regs = cdv_restore_display_registers,
625 	.save_crtc = gma_crtc_save,
626 	.restore_crtc = gma_crtc_restore,
627 	.power_down = cdv_power_down,
628 	.power_up = cdv_power_up,
629 	.update_wm = cdv_update_wm,
630 	.disable_sr = cdv_disable_sr,
631 };
632