xref: /openbmc/linux/drivers/gpu/drm/gma500/psb_drv.h (revision c4a11bf4)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /**************************************************************************
3  * Copyright (c) 2007-2011, Intel Corporation.
4  * All Rights Reserved.
5  *
6  **************************************************************************/
7 
8 #ifndef _PSB_DRV_H_
9 #define _PSB_DRV_H_
10 
11 #include <linux/kref.h>
12 #include <linux/mm_types.h>
13 
14 #include <drm/drm_device.h>
15 
16 #include "gma_display.h"
17 #include "gtt.h"
18 #include "intel_bios.h"
19 #include "mmu.h"
20 #include "oaktrail.h"
21 #include "opregion.h"
22 #include "power.h"
23 #include "psb_intel_drv.h"
24 #include "psb_reg.h"
25 
26 #define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
27 
28 #define DRIVER_NAME "gma500"
29 #define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
30 #define DRIVER_DATE "20140314"
31 
32 #define DRIVER_MAJOR 1
33 #define DRIVER_MINOR 0
34 #define DRIVER_PATCHLEVEL 0
35 
36 /* Append new drm mode definition here, align with libdrm definition */
37 #define DRM_MODE_SCALE_NO_SCALE   	2
38 
39 enum {
40 	CHIP_PSB_8108 = 0,		/* Poulsbo */
41 	CHIP_PSB_8109 = 1,		/* Poulsbo */
42 	CHIP_MRST_4100 = 2,		/* Moorestown/Oaktrail */
43 };
44 
45 #define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
46 #define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
47 #define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
48 
49 /* Hardware offsets */
50 #define PSB_VDC_OFFSET		 0x00000000
51 #define PSB_VDC_SIZE		 0x000080000
52 #define MRST_MMIO_SIZE		 0x0000C0000
53 #define PSB_SGX_SIZE		 0x8000
54 #define PSB_SGX_OFFSET		 0x00040000
55 #define MRST_SGX_OFFSET		 0x00080000
56 
57 /* PCI resource identifiers */
58 #define PSB_MMIO_RESOURCE	 0
59 #define PSB_AUX_RESOURCE	 0
60 #define PSB_GATT_RESOURCE	 2
61 #define PSB_GTT_RESOURCE	 3
62 
63 /* PCI configuration */
64 #define PSB_GMCH_CTRL		 0x52
65 #define PSB_BSM			 0x5C
66 #define _PSB_GMCH_ENABLED	 0x4
67 #define PSB_PGETBL_CTL		 0x2020
68 #define _PSB_PGETBL_ENABLED	 0x00000001
69 #define PSB_SGX_2D_SLAVE_PORT	 0x4000
70 #define PSB_LPC_GBA		 0x44
71 
72 /* TODO: To get rid of */
73 #define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
74 #define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
75 
76 /* SGX side MMU definitions (these can probably go) */
77 
78 /* Flags for external memory type field */
79 #define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
80 #define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
81 #define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
82 
83 /* PTE's and PDE's */
84 #define PSB_PDE_MASK		  0x003FFFFF
85 #define PSB_PDE_SHIFT		  22
86 #define PSB_PTE_SHIFT		  12
87 
88 /* Cache control */
89 #define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
90 #define PSB_PTE_WO		  0x0002	/* Write only */
91 #define PSB_PTE_RO		  0x0004	/* Read only */
92 #define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
93 
94 /* VDC registers and bits */
95 #define PSB_MSVDX_CLOCKGATING	  0x2064
96 #define PSB_TOPAZ_CLOCKGATING	  0x2068
97 #define PSB_HWSTAM		  0x2098
98 #define PSB_INSTPM		  0x20C0
99 #define PSB_INT_IDENTITY_R        0x20A4
100 #define _PSB_IRQ_ASLE		  (1<<0)
101 #define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
102 #define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
103 #define _PSB_DPST_PIPEB_FLAG      (1<<4)
104 #define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
105 #define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
106 #define _PSB_DPST_PIPEA_FLAG      (1<<6)
107 #define _PSB_PIPEA_EVENT_FLAG     (1<<6)
108 #define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
109 #define _PSB_IRQ_DISP_HOTSYNC	  (1<<17)
110 #define _PSB_IRQ_SGX_FLAG	  (1<<18)
111 #define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
112 #define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
113 
114 #define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
115 				 _PSB_VSYNC_PIPEB_FLAG)
116 
117 #define PSB_INT_IDENTITY_R	  0x20A4
118 #define PSB_INT_MASK_R		  0x20A8
119 #define PSB_INT_ENABLE_R	  0x20A0
120 
121 #define _PSB_MMU_ER_MASK      0x0001FF00
122 #define _PSB_MMU_ER_HOST      (1 << 16)
123 #define GPIOA			0x5010
124 #define GPIOB			0x5014
125 #define GPIOC			0x5018
126 #define GPIOD			0x501c
127 #define GPIOE			0x5020
128 #define GPIOF			0x5024
129 #define GPIOG			0x5028
130 #define GPIOH			0x502c
131 #define GPIO_CLOCK_DIR_MASK		(1 << 0)
132 #define GPIO_CLOCK_DIR_IN		(0 << 1)
133 #define GPIO_CLOCK_DIR_OUT		(1 << 1)
134 #define GPIO_CLOCK_VAL_MASK		(1 << 2)
135 #define GPIO_CLOCK_VAL_OUT		(1 << 3)
136 #define GPIO_CLOCK_VAL_IN		(1 << 4)
137 #define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
138 #define GPIO_DATA_DIR_MASK		(1 << 8)
139 #define GPIO_DATA_DIR_IN		(0 << 9)
140 #define GPIO_DATA_DIR_OUT		(1 << 9)
141 #define GPIO_DATA_VAL_MASK		(1 << 10)
142 #define GPIO_DATA_VAL_OUT		(1 << 11)
143 #define GPIO_DATA_VAL_IN		(1 << 12)
144 #define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
145 
146 #define VCLK_DIVISOR_VGA0   0x6000
147 #define VCLK_DIVISOR_VGA1   0x6004
148 #define VCLK_POST_DIV	    0x6010
149 
150 #define PSB_COMM_2D (PSB_ENGINE_2D << 4)
151 #define PSB_COMM_3D (PSB_ENGINE_3D << 4)
152 #define PSB_COMM_TA (PSB_ENGINE_TA << 4)
153 #define PSB_COMM_HP (PSB_ENGINE_HP << 4)
154 #define PSB_COMM_USER_IRQ (1024 >> 2)
155 #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
156 #define PSB_COMM_FW (2048 >> 2)
157 
158 #define PSB_UIRQ_VISTEST	       1
159 #define PSB_UIRQ_OOM_REPLY	       2
160 #define PSB_UIRQ_FIRE_TA_REPLY	       3
161 #define PSB_UIRQ_FIRE_RASTER_REPLY     4
162 
163 #define PSB_2D_SIZE (256*1024*1024)
164 #define PSB_MAX_RELOC_PAGES 1024
165 
166 #define PSB_LOW_REG_OFFS 0x0204
167 #define PSB_HIGH_REG_OFFS 0x0600
168 
169 #define PSB_NUM_VBLANKS 2
170 
171 
172 #define PSB_2D_SIZE (256*1024*1024)
173 #define PSB_MAX_RELOC_PAGES 1024
174 
175 #define PSB_LOW_REG_OFFS 0x0204
176 #define PSB_HIGH_REG_OFFS 0x0600
177 
178 #define PSB_NUM_VBLANKS 2
179 #define PSB_WATCHDOG_DELAY (HZ * 2)
180 #define PSB_LID_DELAY (HZ / 10)
181 
182 #define PSB_PWR_STATE_ON		1
183 #define PSB_PWR_STATE_OFF		2
184 
185 #define PSB_PMPOLICY_NOPM		0
186 #define PSB_PMPOLICY_CLOCKGATING	1
187 #define PSB_PMPOLICY_POWERDOWN		2
188 
189 #define PSB_PMSTATE_POWERUP		0
190 #define PSB_PMSTATE_CLOCKGATED		1
191 #define PSB_PMSTATE_POWERDOWN		2
192 #define PSB_PCIx_MSI_ADDR_LOC		0x94
193 #define PSB_PCIx_MSI_DATA_LOC		0x98
194 
195 /* Medfield crystal settings */
196 #define KSEL_CRYSTAL_19 1
197 #define KSEL_BYPASS_19 5
198 #define KSEL_BYPASS_25 6
199 #define KSEL_BYPASS_83_100 7
200 
201 struct drm_fb_helper;
202 
203 struct opregion_header;
204 struct opregion_acpi;
205 struct opregion_swsci;
206 struct opregion_asle;
207 
208 struct psb_intel_opregion {
209 	struct opregion_header *header;
210 	struct opregion_acpi *acpi;
211 	struct opregion_swsci *swsci;
212 	struct opregion_asle *asle;
213 	void *vbt;
214 	u32 __iomem *lid_state;
215 	struct work_struct asle_work;
216 };
217 
218 struct sdvo_device_mapping {
219 	u8 initialized;
220 	u8 dvo_port;
221 	u8 slave_addr;
222 	u8 dvo_wiring;
223 	u8 i2c_pin;
224 	u8 i2c_speed;
225 	u8 ddc_pin;
226 };
227 
228 struct intel_gmbus {
229 	struct i2c_adapter adapter;
230 	struct i2c_adapter *force_bit;
231 	u32 reg0;
232 };
233 
234 /* Register offset maps */
235 struct psb_offset {
236 	u32	fp0;
237 	u32	fp1;
238 	u32	cntr;
239 	u32	conf;
240 	u32	src;
241 	u32	dpll;
242 	u32	dpll_md;
243 	u32	htotal;
244 	u32	hblank;
245 	u32	hsync;
246 	u32	vtotal;
247 	u32	vblank;
248 	u32	vsync;
249 	u32	stride;
250 	u32	size;
251 	u32	pos;
252 	u32	surf;
253 	u32	addr;
254 	u32	base;
255 	u32	status;
256 	u32	linoff;
257 	u32	tileoff;
258 	u32	palette;
259 };
260 
261 /*
262  *	Register save state. This is used to hold the context when the
263  *	device is powered off. In the case of Oaktrail this can (but does not
264  *	yet) include screen blank. Operations occuring during the save
265  *	update the register cache instead.
266  */
267 
268 /* Common status for pipes */
269 struct psb_pipe {
270 	u32	fp0;
271 	u32	fp1;
272 	u32	cntr;
273 	u32	conf;
274 	u32	src;
275 	u32	dpll;
276 	u32	dpll_md;
277 	u32	htotal;
278 	u32	hblank;
279 	u32	hsync;
280 	u32	vtotal;
281 	u32	vblank;
282 	u32	vsync;
283 	u32	stride;
284 	u32	size;
285 	u32	pos;
286 	u32	base;
287 	u32	surf;
288 	u32	addr;
289 	u32	status;
290 	u32	linoff;
291 	u32	tileoff;
292 	u32	palette[256];
293 };
294 
295 struct psb_state {
296 	uint32_t saveVCLK_DIVISOR_VGA0;
297 	uint32_t saveVCLK_DIVISOR_VGA1;
298 	uint32_t saveVCLK_POST_DIV;
299 	uint32_t saveVGACNTRL;
300 	uint32_t saveADPA;
301 	uint32_t saveLVDS;
302 	uint32_t saveDVOA;
303 	uint32_t saveDVOB;
304 	uint32_t saveDVOC;
305 	uint32_t savePP_ON;
306 	uint32_t savePP_OFF;
307 	uint32_t savePP_CONTROL;
308 	uint32_t savePP_CYCLE;
309 	uint32_t savePFIT_CONTROL;
310 	uint32_t saveCLOCKGATING;
311 	uint32_t saveDSPARB;
312 	uint32_t savePFIT_AUTO_RATIOS;
313 	uint32_t savePFIT_PGM_RATIOS;
314 	uint32_t savePP_ON_DELAYS;
315 	uint32_t savePP_OFF_DELAYS;
316 	uint32_t savePP_DIVISOR;
317 	uint32_t saveBCLRPAT_A;
318 	uint32_t saveBCLRPAT_B;
319 	uint32_t savePERF_MODE;
320 	uint32_t saveDSPFW1;
321 	uint32_t saveDSPFW2;
322 	uint32_t saveDSPFW3;
323 	uint32_t saveDSPFW4;
324 	uint32_t saveDSPFW5;
325 	uint32_t saveDSPFW6;
326 	uint32_t saveCHICKENBIT;
327 	uint32_t saveDSPACURSOR_CTRL;
328 	uint32_t saveDSPBCURSOR_CTRL;
329 	uint32_t saveDSPACURSOR_BASE;
330 	uint32_t saveDSPBCURSOR_BASE;
331 	uint32_t saveDSPACURSOR_POS;
332 	uint32_t saveDSPBCURSOR_POS;
333 	uint32_t saveOV_OVADD;
334 	uint32_t saveOV_OGAMC0;
335 	uint32_t saveOV_OGAMC1;
336 	uint32_t saveOV_OGAMC2;
337 	uint32_t saveOV_OGAMC3;
338 	uint32_t saveOV_OGAMC4;
339 	uint32_t saveOV_OGAMC5;
340 	uint32_t saveOVC_OVADD;
341 	uint32_t saveOVC_OGAMC0;
342 	uint32_t saveOVC_OGAMC1;
343 	uint32_t saveOVC_OGAMC2;
344 	uint32_t saveOVC_OGAMC3;
345 	uint32_t saveOVC_OGAMC4;
346 	uint32_t saveOVC_OGAMC5;
347 
348 	/* DPST register save */
349 	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
350 	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
351 	uint32_t savePWM_CONTROL_LOGIC;
352 };
353 
354 struct cdv_state {
355 	uint32_t saveDSPCLK_GATE_D;
356 	uint32_t saveRAMCLK_GATE_D;
357 	uint32_t saveDSPARB;
358 	uint32_t saveDSPFW[6];
359 	uint32_t saveADPA;
360 	uint32_t savePP_CONTROL;
361 	uint32_t savePFIT_PGM_RATIOS;
362 	uint32_t saveLVDS;
363 	uint32_t savePFIT_CONTROL;
364 	uint32_t savePP_ON_DELAYS;
365 	uint32_t savePP_OFF_DELAYS;
366 	uint32_t savePP_CYCLE;
367 	uint32_t saveVGACNTRL;
368 	uint32_t saveIER;
369 	uint32_t saveIMR;
370 	u8	 saveLBB;
371 };
372 
373 struct psb_save_area {
374 	struct psb_pipe pipe[3];
375 	uint32_t saveBSM;
376 	uint32_t saveVBT;
377 	union {
378 	        struct psb_state psb;
379 		struct cdv_state cdv;
380 	};
381 	uint32_t saveBLC_PWM_CTL2;
382 	uint32_t saveBLC_PWM_CTL;
383 };
384 
385 struct psb_ops;
386 
387 #define PSB_NUM_PIPE		3
388 
389 struct intel_scu_ipc_dev;
390 
391 struct drm_psb_private {
392 	struct drm_device dev;
393 
394 	struct pci_dev *aux_pdev; /* Currently only used by mrst */
395 	struct pci_dev *lpc_pdev; /* Currently only used by mrst */
396 	const struct psb_ops *ops;
397 	const struct psb_offset *regmap;
398 
399 	struct child_device_config *child_dev;
400 	int child_dev_num;
401 
402 	struct psb_gtt gtt;
403 
404 	/* GTT Memory manager */
405 	struct psb_gtt_mm *gtt_mm;
406 	struct page *scratch_page;
407 	u32 __iomem *gtt_map;
408 	uint32_t stolen_base;
409 	u8 __iomem *vram_addr;
410 	unsigned long vram_stolen_size;
411 	int gtt_initialized;
412 	u16 gmch_ctrl;		/* Saved GTT setup */
413 	u32 pge_ctl;
414 
415 	struct mutex gtt_mutex;
416 	struct resource *gtt_mem;	/* Our PCI resource */
417 
418 	struct mutex mmap_mutex;
419 
420 	struct psb_mmu_driver *mmu;
421 	struct psb_mmu_pd *pf_pd;
422 
423 	/* Register base */
424 	uint8_t __iomem *sgx_reg;
425 	uint8_t __iomem *vdc_reg;
426 	uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
427 	uint16_t lpc_gpio_base;
428 	uint32_t gatt_free_offset;
429 
430 	/* Fencing / irq */
431 	uint32_t vdc_irq_mask;
432 	uint32_t pipestat[PSB_NUM_PIPE];
433 
434 	spinlock_t irqmask_lock;
435 
436 	/* Power */
437 	bool suspended;
438 	bool display_power;
439 	int display_count;
440 
441 	/* Modesetting */
442 	struct psb_intel_mode_device mode_dev;
443 	bool modeset;	/* true if we have done the mode_device setup */
444 
445 	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
446 	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
447 	uint32_t num_pipe;
448 
449 	/* OSPM info (Power management base) (TODO: can go ?) */
450 	uint32_t ospm_base;
451 
452 	/* Sizes info */
453 	u32 fuse_reg_value;
454 	u32 video_device_fuse;
455 
456 	/* PCI revision ID for B0:D2:F0 */
457 	uint8_t platform_rev_id;
458 
459 	/* gmbus */
460 	struct intel_gmbus *gmbus;
461 	uint8_t __iomem *gmbus_reg;
462 
463 	/* Used by SDVO */
464 	int crt_ddc_pin;
465 	/* FIXME: The mappings should be parsed from bios but for now we can
466 		  pretend there are no mappings available */
467 	struct sdvo_device_mapping sdvo_mappings[2];
468 	u32 hotplug_supported_mask;
469 	struct drm_property *broadcast_rgb_property;
470 	struct drm_property *force_audio_property;
471 
472 	/* LVDS info */
473 	int backlight_duty_cycle;	/* restore backlight to this value */
474 	bool panel_wants_dither;
475 	struct drm_display_mode *panel_fixed_mode;
476 	struct drm_display_mode *lfp_lvds_vbt_mode;
477 	struct drm_display_mode *sdvo_lvds_vbt_mode;
478 
479 	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
480 	struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
481 
482 	/* Feature bits from the VBIOS */
483 	unsigned int int_tv_support:1;
484 	unsigned int lvds_dither:1;
485 	unsigned int lvds_vbt:1;
486 	unsigned int int_crt_support:1;
487 	unsigned int lvds_use_ssc:1;
488 	int lvds_ssc_freq;
489 	bool is_lvds_on;
490 	bool is_mipi_on;
491 	bool lvds_enabled_in_vbt;
492 	u32 mipi_ctrl_display;
493 
494 	unsigned int core_freq;
495 	uint32_t iLVDS_enable;
496 
497 	/* Runtime PM state */
498 	int rpm_enabled;
499 
500 	/* MID specific */
501 	bool has_gct;
502 	struct oaktrail_gct_data gct_data;
503 
504 	/* Oaktrail HDMI state */
505 	struct oaktrail_hdmi_dev *hdmi_priv;
506 
507 	/* Register state */
508 	struct psb_save_area regs;
509 
510 	/* MSI reg save */
511 	uint32_t msi_addr;
512 	uint32_t msi_data;
513 
514 	/* Hotplug handling */
515 	struct work_struct hotplug_work;
516 
517 	/* LID-Switch */
518 	spinlock_t lid_lock;
519 	struct timer_list lid_timer;
520 	struct psb_intel_opregion opregion;
521 	u32 lid_last_state;
522 
523 	/* Watchdog */
524 	uint32_t apm_reg;
525 	uint16_t apm_base;
526 
527 	/*
528 	 * Used for modifying backlight from
529 	 * xrandr -- consider removing and using HAL instead
530 	 */
531 	struct intel_scu_ipc_dev *scu;
532 	struct backlight_device *backlight_device;
533 	struct drm_property *backlight_property;
534 	bool backlight_enabled;
535 	int backlight_level;
536 	uint32_t blc_adj1;
537 	uint32_t blc_adj2;
538 
539 	struct drm_fb_helper *fb_helper;
540 
541 	/* Panel brightness */
542 	int brightness;
543 	int brightness_adjusted;
544 
545 	bool dsr_enable;
546 	u32 dsr_fb_update;
547 	bool dpi_panel_on[3];
548 	void *dsi_configs[2];
549 	u32 bpp;
550 	u32 bpp2;
551 
552 	u32 pipeconf[3];
553 	u32 dspcntr[3];
554 
555 	bool dplla_96mhz;	/* DPLL data from the VBT */
556 
557 	struct {
558 		int rate;
559 		int lanes;
560 		int preemphasis;
561 		int vswing;
562 
563 		bool initialized;
564 		bool support;
565 		int bpp;
566 		struct edp_power_seq pps;
567 	} edp;
568 	uint8_t panel_type;
569 };
570 
571 static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
572 {
573 	return container_of(dev, struct drm_psb_private, dev);
574 }
575 
576 /* Operations for each board type */
577 struct psb_ops {
578 	const char *name;
579 	int pipes;		/* Number of output pipes */
580 	int crtcs;		/* Number of CRTCs */
581 	int sgx_offset;		/* Base offset of SGX device */
582 	int hdmi_mask;		/* Mask of HDMI CRTCs */
583 	int lvds_mask;		/* Mask of LVDS CRTCs */
584 	int sdvo_mask;		/* Mask of SDVO CRTCs */
585 	int cursor_needs_phys;  /* If cursor base reg need physical address */
586 
587 	/* Sub functions */
588 	struct drm_crtc_helper_funcs const *crtc_helper;
589 	struct drm_crtc_funcs const *crtc_funcs;
590 	const struct gma_clock_funcs *clock_funcs;
591 
592 	/* Setup hooks */
593 	int (*chip_setup)(struct drm_device *dev);
594 	void (*chip_teardown)(struct drm_device *dev);
595 	/* Optional helper caller after modeset */
596 	void (*errata)(struct drm_device *dev);
597 
598 	/* Display management hooks */
599 	int (*output_init)(struct drm_device *dev);
600 	int (*hotplug)(struct drm_device *dev);
601 	void (*hotplug_enable)(struct drm_device *dev, bool on);
602 	/* Power management hooks */
603 	void (*init_pm)(struct drm_device *dev);
604 	int (*save_regs)(struct drm_device *dev);
605 	int (*restore_regs)(struct drm_device *dev);
606 	void (*save_crtc)(struct drm_crtc *crtc);
607 	void (*restore_crtc)(struct drm_crtc *crtc);
608 	int (*power_up)(struct drm_device *dev);
609 	int (*power_down)(struct drm_device *dev);
610 	void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
611 	void (*disable_sr)(struct drm_device *dev);
612 
613 	void (*lvds_bl_power)(struct drm_device *dev, bool on);
614 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
615 	/* Backlight */
616 	int (*backlight_init)(struct drm_device *dev);
617 #endif
618 	int i2c_bus;		/* I2C bus identifier for Moorestown */
619 };
620 
621 
622 
623 extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
624 extern int drm_pick_crtcs(struct drm_device *dev);
625 
626 /* psb_irq.c */
627 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
628 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
629 extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
630 extern int psb_enable_vblank(struct drm_crtc *crtc);
631 extern void psb_disable_vblank(struct drm_crtc *crtc);
632 void
633 psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
634 
635 void
636 psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
637 
638 extern u32 psb_get_vblank_counter(struct drm_crtc *crtc);
639 
640 /* framebuffer.c */
641 extern int psbfb_probed(struct drm_device *dev);
642 extern int psbfb_remove(struct drm_device *dev,
643 			struct drm_framebuffer *fb);
644 /* psb_drv.c */
645 extern void psb_spank(struct drm_psb_private *dev_priv);
646 
647 /* psb_reset.c */
648 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
649 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
650 extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
651 
652 /* modesetting */
653 extern void psb_modeset_init(struct drm_device *dev);
654 extern void psb_modeset_cleanup(struct drm_device *dev);
655 extern int psb_fbdev_init(struct drm_device *dev);
656 
657 /* backlight.c */
658 int gma_backlight_init(struct drm_device *dev);
659 void gma_backlight_exit(struct drm_device *dev);
660 void gma_backlight_disable(struct drm_device *dev);
661 void gma_backlight_enable(struct drm_device *dev);
662 void gma_backlight_set(struct drm_device *dev, int v);
663 
664 /* oaktrail_crtc.c */
665 extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
666 
667 /* oaktrail_lvds.c */
668 extern void oaktrail_lvds_init(struct drm_device *dev,
669 		    struct psb_intel_mode_device *mode_dev);
670 
671 /* psb_intel_display.c */
672 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
673 extern const struct drm_crtc_funcs gma_intel_crtc_funcs;
674 
675 /* psb_intel_lvds.c */
676 extern const struct drm_connector_helper_funcs
677 					psb_intel_lvds_connector_helper_funcs;
678 extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
679 
680 /* gem.c */
681 extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
682 			struct drm_mode_create_dumb *args);
683 
684 /* psb_device.c */
685 extern const struct psb_ops psb_chip_ops;
686 
687 /* oaktrail_device.c */
688 extern const struct psb_ops oaktrail_chip_ops;
689 
690 /* cdv_device.c */
691 extern const struct psb_ops cdv_chip_ops;
692 
693 /* Debug print bits setting */
694 #define PSB_D_GENERAL (1 << 0)
695 #define PSB_D_INIT    (1 << 1)
696 #define PSB_D_IRQ     (1 << 2)
697 #define PSB_D_ENTRY   (1 << 3)
698 /* debug the get H/V BP/FP count */
699 #define PSB_D_HV      (1 << 4)
700 #define PSB_D_DBI_BF  (1 << 5)
701 #define PSB_D_PM      (1 << 6)
702 #define PSB_D_RENDER  (1 << 7)
703 #define PSB_D_REG     (1 << 8)
704 #define PSB_D_MSVDX   (1 << 9)
705 #define PSB_D_TOPAZ   (1 << 10)
706 
707 extern int drm_idle_check_interval;
708 
709 /* Utilities */
710 static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
711 {
712 	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
713 	uint32_t ret_val = 0;
714 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
715 	pci_write_config_dword(pci_root, 0xD0, mcr);
716 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
717 	pci_dev_put(pci_root);
718 	return ret_val;
719 }
720 static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
721 				    u32 value)
722 {
723 	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
724 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
725 	pci_write_config_dword(pci_root, 0xD4, value);
726 	pci_write_config_dword(pci_root, 0xD0, mcr);
727 	pci_dev_put(pci_root);
728 }
729 
730 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
731 {
732 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
733 	return ioread32(dev_priv->vdc_reg + reg);
734 }
735 
736 static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
737 {
738 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
739 	return ioread32(dev_priv->aux_reg + reg);
740 }
741 
742 #define REG_READ(reg)	       REGISTER_READ(dev, (reg))
743 #define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
744 
745 /* Useful for post reads */
746 static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
747 					      uint32_t reg, int aux)
748 {
749 	uint32_t val;
750 
751 	if (aux)
752 		val = REG_READ_AUX(reg);
753 	else
754 		val = REG_READ(reg);
755 
756 	return val;
757 }
758 
759 #define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
760 
761 static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
762 				  uint32_t val)
763 {
764 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
765 	iowrite32((val), dev_priv->vdc_reg + (reg));
766 }
767 
768 static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
769 				      uint32_t val)
770 {
771 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
772 	iowrite32((val), dev_priv->aux_reg + (reg));
773 }
774 
775 #define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
776 #define REG_WRITE_AUX(reg, val)	REGISTER_WRITE_AUX(dev, (reg), (val))
777 
778 static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
779 				      uint32_t val, int aux)
780 {
781 	if (aux)
782 		REG_WRITE_AUX(reg, val);
783 	else
784 		REG_WRITE(reg, val);
785 }
786 
787 #define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
788 
789 static inline void REGISTER_WRITE16(struct drm_device *dev,
790 					uint32_t reg, uint32_t val)
791 {
792 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
793 	iowrite16((val), dev_priv->vdc_reg + (reg));
794 }
795 
796 #define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
797 
798 static inline void REGISTER_WRITE8(struct drm_device *dev,
799 				       uint32_t reg, uint32_t val)
800 {
801 	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
802 	iowrite8((val), dev_priv->vdc_reg + (reg));
803 }
804 
805 #define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
806 
807 #define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
808 #define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
809 
810 /* #define TRAP_SGX_PM_FAULT 1 */
811 #ifdef TRAP_SGX_PM_FAULT
812 #define PSB_RSGX32(_offs)						\
813 ({									\
814 	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
815 		pr_err("access sgx when it's off!! (READ) %s, %d\n",	\
816 		       __FILE__, __LINE__);				\
817 		melay(1000);						\
818 	}								\
819 	ioread32(dev_priv->sgx_reg + (_offs));				\
820 })
821 #else
822 #define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
823 #endif
824 #define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
825 
826 #define MSVDX_REG_DUMP 0
827 
828 #define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
829 #define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
830 
831 #endif
832