xref: /openbmc/linux/drivers/gpu/drm/gma500/psb_drv.h (revision 8795a739)
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 	CHIP_MFLD_0130 = 3,		/* Medfield */
44 };
45 
46 #define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
47 #define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
48 #define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
49 #define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
50 
51 /* Hardware offsets */
52 #define PSB_VDC_OFFSET		 0x00000000
53 #define PSB_VDC_SIZE		 0x000080000
54 #define MRST_MMIO_SIZE		 0x0000C0000
55 #define MDFLD_MMIO_SIZE          0x000100000
56 #define PSB_SGX_SIZE		 0x8000
57 #define PSB_SGX_OFFSET		 0x00040000
58 #define MRST_SGX_OFFSET		 0x00080000
59 
60 /* PCI resource identifiers */
61 #define PSB_MMIO_RESOURCE	 0
62 #define PSB_AUX_RESOURCE	 0
63 #define PSB_GATT_RESOURCE	 2
64 #define PSB_GTT_RESOURCE	 3
65 
66 /* PCI configuration */
67 #define PSB_GMCH_CTRL		 0x52
68 #define PSB_BSM			 0x5C
69 #define _PSB_GMCH_ENABLED	 0x4
70 #define PSB_PGETBL_CTL		 0x2020
71 #define _PSB_PGETBL_ENABLED	 0x00000001
72 #define PSB_SGX_2D_SLAVE_PORT	 0x4000
73 #define PSB_LPC_GBA		 0x44
74 
75 /* TODO: To get rid of */
76 #define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
77 #define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
78 
79 /* SGX side MMU definitions (these can probably go) */
80 
81 /* Flags for external memory type field */
82 #define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
83 #define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
84 #define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
85 
86 /* PTE's and PDE's */
87 #define PSB_PDE_MASK		  0x003FFFFF
88 #define PSB_PDE_SHIFT		  22
89 #define PSB_PTE_SHIFT		  12
90 
91 /* Cache control */
92 #define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
93 #define PSB_PTE_WO		  0x0002	/* Write only */
94 #define PSB_PTE_RO		  0x0004	/* Read only */
95 #define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
96 
97 /* VDC registers and bits */
98 #define PSB_MSVDX_CLOCKGATING	  0x2064
99 #define PSB_TOPAZ_CLOCKGATING	  0x2068
100 #define PSB_HWSTAM		  0x2098
101 #define PSB_INSTPM		  0x20C0
102 #define PSB_INT_IDENTITY_R        0x20A4
103 #define _PSB_IRQ_ASLE		  (1<<0)
104 #define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
105 #define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
106 #define _PSB_DPST_PIPEB_FLAG      (1<<4)
107 #define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
108 #define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
109 #define _PSB_DPST_PIPEA_FLAG      (1<<6)
110 #define _PSB_PIPEA_EVENT_FLAG     (1<<6)
111 #define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
112 #define _MDFLD_MIPIA_FLAG	  (1<<16)
113 #define _MDFLD_MIPIC_FLAG	  (1<<17)
114 #define _PSB_IRQ_DISP_HOTSYNC	  (1<<17)
115 #define _PSB_IRQ_SGX_FLAG	  (1<<18)
116 #define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
117 #define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
118 
119 #define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
120 				 _PSB_VSYNC_PIPEB_FLAG)
121 
122 /* This flag includes all the display IRQ bits excepts the vblank irqs. */
123 #define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
124 				  _MDFLD_PIPEB_EVENT_FLAG | \
125 				  _PSB_PIPEA_EVENT_FLAG | \
126 				  _PSB_VSYNC_PIPEA_FLAG | \
127 				  _MDFLD_MIPIA_FLAG | \
128 				  _MDFLD_MIPIC_FLAG)
129 #define PSB_INT_IDENTITY_R	  0x20A4
130 #define PSB_INT_MASK_R		  0x20A8
131 #define PSB_INT_ENABLE_R	  0x20A0
132 
133 #define _PSB_MMU_ER_MASK      0x0001FF00
134 #define _PSB_MMU_ER_HOST      (1 << 16)
135 #define GPIOA			0x5010
136 #define GPIOB			0x5014
137 #define GPIOC			0x5018
138 #define GPIOD			0x501c
139 #define GPIOE			0x5020
140 #define GPIOF			0x5024
141 #define GPIOG			0x5028
142 #define GPIOH			0x502c
143 #define GPIO_CLOCK_DIR_MASK		(1 << 0)
144 #define GPIO_CLOCK_DIR_IN		(0 << 1)
145 #define GPIO_CLOCK_DIR_OUT		(1 << 1)
146 #define GPIO_CLOCK_VAL_MASK		(1 << 2)
147 #define GPIO_CLOCK_VAL_OUT		(1 << 3)
148 #define GPIO_CLOCK_VAL_IN		(1 << 4)
149 #define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
150 #define GPIO_DATA_DIR_MASK		(1 << 8)
151 #define GPIO_DATA_DIR_IN		(0 << 9)
152 #define GPIO_DATA_DIR_OUT		(1 << 9)
153 #define GPIO_DATA_VAL_MASK		(1 << 10)
154 #define GPIO_DATA_VAL_OUT		(1 << 11)
155 #define GPIO_DATA_VAL_IN		(1 << 12)
156 #define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
157 
158 #define VCLK_DIVISOR_VGA0   0x6000
159 #define VCLK_DIVISOR_VGA1   0x6004
160 #define VCLK_POST_DIV	    0x6010
161 
162 #define PSB_COMM_2D (PSB_ENGINE_2D << 4)
163 #define PSB_COMM_3D (PSB_ENGINE_3D << 4)
164 #define PSB_COMM_TA (PSB_ENGINE_TA << 4)
165 #define PSB_COMM_HP (PSB_ENGINE_HP << 4)
166 #define PSB_COMM_USER_IRQ (1024 >> 2)
167 #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
168 #define PSB_COMM_FW (2048 >> 2)
169 
170 #define PSB_UIRQ_VISTEST	       1
171 #define PSB_UIRQ_OOM_REPLY	       2
172 #define PSB_UIRQ_FIRE_TA_REPLY	       3
173 #define PSB_UIRQ_FIRE_RASTER_REPLY     4
174 
175 #define PSB_2D_SIZE (256*1024*1024)
176 #define PSB_MAX_RELOC_PAGES 1024
177 
178 #define PSB_LOW_REG_OFFS 0x0204
179 #define PSB_HIGH_REG_OFFS 0x0600
180 
181 #define PSB_NUM_VBLANKS 2
182 
183 
184 #define PSB_2D_SIZE (256*1024*1024)
185 #define PSB_MAX_RELOC_PAGES 1024
186 
187 #define PSB_LOW_REG_OFFS 0x0204
188 #define PSB_HIGH_REG_OFFS 0x0600
189 
190 #define PSB_NUM_VBLANKS 2
191 #define PSB_WATCHDOG_DELAY (HZ * 2)
192 #define PSB_LID_DELAY (HZ / 10)
193 
194 #define MDFLD_PNW_B0 0x04
195 #define MDFLD_PNW_C0 0x08
196 
197 #define MDFLD_DSR_2D_3D_0 	(1 << 0)
198 #define MDFLD_DSR_2D_3D_2 	(1 << 1)
199 #define MDFLD_DSR_CURSOR_0 	(1 << 2)
200 #define MDFLD_DSR_CURSOR_2	(1 << 3)
201 #define MDFLD_DSR_OVERLAY_0 	(1 << 4)
202 #define MDFLD_DSR_OVERLAY_2 	(1 << 5)
203 #define MDFLD_DSR_MIPI_CONTROL	(1 << 6)
204 #define MDFLD_DSR_DAMAGE_MASK_0	((1 << 0) | (1 << 2) | (1 << 4))
205 #define MDFLD_DSR_DAMAGE_MASK_2	((1 << 1) | (1 << 3) | (1 << 5))
206 #define MDFLD_DSR_2D_3D 	(MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
207 
208 #define MDFLD_DSR_RR		45
209 #define MDFLD_DPU_ENABLE 	(1 << 31)
210 #define MDFLD_DSR_FULLSCREEN 	(1 << 30)
211 #define MDFLD_DSR_DELAY		(HZ / MDFLD_DSR_RR)
212 
213 #define PSB_PWR_STATE_ON		1
214 #define PSB_PWR_STATE_OFF		2
215 
216 #define PSB_PMPOLICY_NOPM		0
217 #define PSB_PMPOLICY_CLOCKGATING	1
218 #define PSB_PMPOLICY_POWERDOWN		2
219 
220 #define PSB_PMSTATE_POWERUP		0
221 #define PSB_PMSTATE_CLOCKGATED		1
222 #define PSB_PMSTATE_POWERDOWN		2
223 #define PSB_PCIx_MSI_ADDR_LOC		0x94
224 #define PSB_PCIx_MSI_DATA_LOC		0x98
225 
226 /* Medfield crystal settings */
227 #define KSEL_CRYSTAL_19 1
228 #define KSEL_BYPASS_19 5
229 #define KSEL_BYPASS_25 6
230 #define KSEL_BYPASS_83_100 7
231 
232 struct opregion_header;
233 struct opregion_acpi;
234 struct opregion_swsci;
235 struct opregion_asle;
236 
237 struct psb_intel_opregion {
238 	struct opregion_header *header;
239 	struct opregion_acpi *acpi;
240 	struct opregion_swsci *swsci;
241 	struct opregion_asle *asle;
242 	void *vbt;
243 	u32 __iomem *lid_state;
244 	struct work_struct asle_work;
245 };
246 
247 struct sdvo_device_mapping {
248 	u8 initialized;
249 	u8 dvo_port;
250 	u8 slave_addr;
251 	u8 dvo_wiring;
252 	u8 i2c_pin;
253 	u8 i2c_speed;
254 	u8 ddc_pin;
255 };
256 
257 struct intel_gmbus {
258 	struct i2c_adapter adapter;
259 	struct i2c_adapter *force_bit;
260 	u32 reg0;
261 };
262 
263 /* Register offset maps */
264 struct psb_offset {
265 	u32	fp0;
266 	u32	fp1;
267 	u32	cntr;
268 	u32	conf;
269 	u32	src;
270 	u32	dpll;
271 	u32	dpll_md;
272 	u32	htotal;
273 	u32	hblank;
274 	u32	hsync;
275 	u32	vtotal;
276 	u32	vblank;
277 	u32	vsync;
278 	u32	stride;
279 	u32	size;
280 	u32	pos;
281 	u32	surf;
282 	u32	addr;
283 	u32	base;
284 	u32	status;
285 	u32	linoff;
286 	u32	tileoff;
287 	u32	palette;
288 };
289 
290 /*
291  *	Register save state. This is used to hold the context when the
292  *	device is powered off. In the case of Oaktrail this can (but does not
293  *	yet) include screen blank. Operations occuring during the save
294  *	update the register cache instead.
295  */
296 
297 /* Common status for pipes */
298 struct psb_pipe {
299 	u32	fp0;
300 	u32	fp1;
301 	u32	cntr;
302 	u32	conf;
303 	u32	src;
304 	u32	dpll;
305 	u32	dpll_md;
306 	u32	htotal;
307 	u32	hblank;
308 	u32	hsync;
309 	u32	vtotal;
310 	u32	vblank;
311 	u32	vsync;
312 	u32	stride;
313 	u32	size;
314 	u32	pos;
315 	u32	base;
316 	u32	surf;
317 	u32	addr;
318 	u32	status;
319 	u32	linoff;
320 	u32	tileoff;
321 	u32	palette[256];
322 };
323 
324 struct psb_state {
325 	uint32_t saveVCLK_DIVISOR_VGA0;
326 	uint32_t saveVCLK_DIVISOR_VGA1;
327 	uint32_t saveVCLK_POST_DIV;
328 	uint32_t saveVGACNTRL;
329 	uint32_t saveADPA;
330 	uint32_t saveLVDS;
331 	uint32_t saveDVOA;
332 	uint32_t saveDVOB;
333 	uint32_t saveDVOC;
334 	uint32_t savePP_ON;
335 	uint32_t savePP_OFF;
336 	uint32_t savePP_CONTROL;
337 	uint32_t savePP_CYCLE;
338 	uint32_t savePFIT_CONTROL;
339 	uint32_t saveCLOCKGATING;
340 	uint32_t saveDSPARB;
341 	uint32_t savePFIT_AUTO_RATIOS;
342 	uint32_t savePFIT_PGM_RATIOS;
343 	uint32_t savePP_ON_DELAYS;
344 	uint32_t savePP_OFF_DELAYS;
345 	uint32_t savePP_DIVISOR;
346 	uint32_t saveBCLRPAT_A;
347 	uint32_t saveBCLRPAT_B;
348 	uint32_t savePERF_MODE;
349 	uint32_t saveDSPFW1;
350 	uint32_t saveDSPFW2;
351 	uint32_t saveDSPFW3;
352 	uint32_t saveDSPFW4;
353 	uint32_t saveDSPFW5;
354 	uint32_t saveDSPFW6;
355 	uint32_t saveCHICKENBIT;
356 	uint32_t saveDSPACURSOR_CTRL;
357 	uint32_t saveDSPBCURSOR_CTRL;
358 	uint32_t saveDSPACURSOR_BASE;
359 	uint32_t saveDSPBCURSOR_BASE;
360 	uint32_t saveDSPACURSOR_POS;
361 	uint32_t saveDSPBCURSOR_POS;
362 	uint32_t saveOV_OVADD;
363 	uint32_t saveOV_OGAMC0;
364 	uint32_t saveOV_OGAMC1;
365 	uint32_t saveOV_OGAMC2;
366 	uint32_t saveOV_OGAMC3;
367 	uint32_t saveOV_OGAMC4;
368 	uint32_t saveOV_OGAMC5;
369 	uint32_t saveOVC_OVADD;
370 	uint32_t saveOVC_OGAMC0;
371 	uint32_t saveOVC_OGAMC1;
372 	uint32_t saveOVC_OGAMC2;
373 	uint32_t saveOVC_OGAMC3;
374 	uint32_t saveOVC_OGAMC4;
375 	uint32_t saveOVC_OGAMC5;
376 
377 	/* DPST register save */
378 	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
379 	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
380 	uint32_t savePWM_CONTROL_LOGIC;
381 };
382 
383 struct medfield_state {
384 	uint32_t saveMIPI;
385 	uint32_t saveMIPI_C;
386 
387 	uint32_t savePFIT_CONTROL;
388 	uint32_t savePFIT_PGM_RATIOS;
389 	uint32_t saveHDMIPHYMISCCTL;
390 	uint32_t saveHDMIB_CONTROL;
391 };
392 
393 struct cdv_state {
394 	uint32_t saveDSPCLK_GATE_D;
395 	uint32_t saveRAMCLK_GATE_D;
396 	uint32_t saveDSPARB;
397 	uint32_t saveDSPFW[6];
398 	uint32_t saveADPA;
399 	uint32_t savePP_CONTROL;
400 	uint32_t savePFIT_PGM_RATIOS;
401 	uint32_t saveLVDS;
402 	uint32_t savePFIT_CONTROL;
403 	uint32_t savePP_ON_DELAYS;
404 	uint32_t savePP_OFF_DELAYS;
405 	uint32_t savePP_CYCLE;
406 	uint32_t saveVGACNTRL;
407 	uint32_t saveIER;
408 	uint32_t saveIMR;
409 	u8	 saveLBB;
410 };
411 
412 struct psb_save_area {
413 	struct psb_pipe pipe[3];
414 	uint32_t saveBSM;
415 	uint32_t saveVBT;
416 	union {
417 	        struct psb_state psb;
418 		struct medfield_state mdfld;
419 		struct cdv_state cdv;
420 	};
421 	uint32_t saveBLC_PWM_CTL2;
422 	uint32_t saveBLC_PWM_CTL;
423 };
424 
425 struct psb_ops;
426 
427 #define PSB_NUM_PIPE		3
428 
429 struct drm_psb_private {
430 	struct drm_device *dev;
431 	struct pci_dev *aux_pdev; /* Currently only used by mrst */
432 	struct pci_dev *lpc_pdev; /* Currently only used by mrst */
433 	const struct psb_ops *ops;
434 	const struct psb_offset *regmap;
435 
436 	struct child_device_config *child_dev;
437 	int child_dev_num;
438 
439 	struct psb_gtt gtt;
440 
441 	/* GTT Memory manager */
442 	struct psb_gtt_mm *gtt_mm;
443 	struct page *scratch_page;
444 	u32 __iomem *gtt_map;
445 	uint32_t stolen_base;
446 	u8 __iomem *vram_addr;
447 	unsigned long vram_stolen_size;
448 	int gtt_initialized;
449 	u16 gmch_ctrl;		/* Saved GTT setup */
450 	u32 pge_ctl;
451 
452 	struct mutex gtt_mutex;
453 	struct resource *gtt_mem;	/* Our PCI resource */
454 
455 	struct mutex mmap_mutex;
456 
457 	struct psb_mmu_driver *mmu;
458 	struct psb_mmu_pd *pf_pd;
459 
460 	/* Register base */
461 	uint8_t __iomem *sgx_reg;
462 	uint8_t __iomem *vdc_reg;
463 	uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
464 	uint16_t lpc_gpio_base;
465 	uint32_t gatt_free_offset;
466 
467 	/* Fencing / irq */
468 	uint32_t vdc_irq_mask;
469 	uint32_t pipestat[PSB_NUM_PIPE];
470 
471 	spinlock_t irqmask_lock;
472 
473 	/* Power */
474 	bool suspended;
475 	bool display_power;
476 	int display_count;
477 
478 	/* Modesetting */
479 	struct psb_intel_mode_device mode_dev;
480 	bool modeset;	/* true if we have done the mode_device setup */
481 
482 	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
483 	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
484 	uint32_t num_pipe;
485 
486 	/* OSPM info (Power management base) (TODO: can go ?) */
487 	uint32_t ospm_base;
488 
489 	/* Sizes info */
490 	u32 fuse_reg_value;
491 	u32 video_device_fuse;
492 
493 	/* PCI revision ID for B0:D2:F0 */
494 	uint8_t platform_rev_id;
495 
496 	/* gmbus */
497 	struct intel_gmbus *gmbus;
498 	uint8_t __iomem *gmbus_reg;
499 
500 	/* Used by SDVO */
501 	int crt_ddc_pin;
502 	/* FIXME: The mappings should be parsed from bios but for now we can
503 		  pretend there are no mappings available */
504 	struct sdvo_device_mapping sdvo_mappings[2];
505 	u32 hotplug_supported_mask;
506 	struct drm_property *broadcast_rgb_property;
507 	struct drm_property *force_audio_property;
508 
509 	/* LVDS info */
510 	int backlight_duty_cycle;	/* restore backlight to this value */
511 	bool panel_wants_dither;
512 	struct drm_display_mode *panel_fixed_mode;
513 	struct drm_display_mode *lfp_lvds_vbt_mode;
514 	struct drm_display_mode *sdvo_lvds_vbt_mode;
515 
516 	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
517 	struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
518 
519 	/* Feature bits from the VBIOS */
520 	unsigned int int_tv_support:1;
521 	unsigned int lvds_dither:1;
522 	unsigned int lvds_vbt:1;
523 	unsigned int int_crt_support:1;
524 	unsigned int lvds_use_ssc:1;
525 	int lvds_ssc_freq;
526 	bool is_lvds_on;
527 	bool is_mipi_on;
528 	bool lvds_enabled_in_vbt;
529 	u32 mipi_ctrl_display;
530 
531 	unsigned int core_freq;
532 	uint32_t iLVDS_enable;
533 
534 	/* Runtime PM state */
535 	int rpm_enabled;
536 
537 	/* MID specific */
538 	bool has_gct;
539 	struct oaktrail_gct_data gct_data;
540 
541 	/* Oaktrail HDMI state */
542 	struct oaktrail_hdmi_dev *hdmi_priv;
543 
544 	/* Register state */
545 	struct psb_save_area regs;
546 
547 	/* MSI reg save */
548 	uint32_t msi_addr;
549 	uint32_t msi_data;
550 
551 	/* Hotplug handling */
552 	struct work_struct hotplug_work;
553 
554 	/* LID-Switch */
555 	spinlock_t lid_lock;
556 	struct timer_list lid_timer;
557 	struct psb_intel_opregion opregion;
558 	u32 lid_last_state;
559 
560 	/* Watchdog */
561 	uint32_t apm_reg;
562 	uint16_t apm_base;
563 
564 	/*
565 	 * Used for modifying backlight from
566 	 * xrandr -- consider removing and using HAL instead
567 	 */
568 	struct backlight_device *backlight_device;
569 	struct drm_property *backlight_property;
570 	bool backlight_enabled;
571 	int backlight_level;
572 	uint32_t blc_adj1;
573 	uint32_t blc_adj2;
574 
575 	void *fbdev;
576 
577 	/* 2D acceleration */
578 	spinlock_t lock_2d;
579 
580 	/* Panel brightness */
581 	int brightness;
582 	int brightness_adjusted;
583 
584 	bool dsr_enable;
585 	u32 dsr_fb_update;
586 	bool dpi_panel_on[3];
587 	void *dsi_configs[2];
588 	u32 bpp;
589 	u32 bpp2;
590 
591 	u32 pipeconf[3];
592 	u32 dspcntr[3];
593 
594 	int mdfld_panel_id;
595 
596 	bool dplla_96mhz;	/* DPLL data from the VBT */
597 
598 	struct {
599 		int rate;
600 		int lanes;
601 		int preemphasis;
602 		int vswing;
603 
604 		bool initialized;
605 		bool support;
606 		int bpp;
607 		struct edp_power_seq pps;
608 	} edp;
609 	uint8_t panel_type;
610 };
611 
612 
613 /* Operations for each board type */
614 struct psb_ops {
615 	const char *name;
616 	unsigned int accel_2d:1;
617 	int pipes;		/* Number of output pipes */
618 	int crtcs;		/* Number of CRTCs */
619 	int sgx_offset;		/* Base offset of SGX device */
620 	int hdmi_mask;		/* Mask of HDMI CRTCs */
621 	int lvds_mask;		/* Mask of LVDS CRTCs */
622 	int sdvo_mask;		/* Mask of SDVO CRTCs */
623 	int cursor_needs_phys;  /* If cursor base reg need physical address */
624 
625 	/* Sub functions */
626 	struct drm_crtc_helper_funcs const *crtc_helper;
627 	struct drm_crtc_funcs const *crtc_funcs;
628 	const struct gma_clock_funcs *clock_funcs;
629 
630 	/* Setup hooks */
631 	int (*chip_setup)(struct drm_device *dev);
632 	void (*chip_teardown)(struct drm_device *dev);
633 	/* Optional helper caller after modeset */
634 	void (*errata)(struct drm_device *dev);
635 
636 	/* Display management hooks */
637 	int (*output_init)(struct drm_device *dev);
638 	int (*hotplug)(struct drm_device *dev);
639 	void (*hotplug_enable)(struct drm_device *dev, bool on);
640 	/* Power management hooks */
641 	void (*init_pm)(struct drm_device *dev);
642 	int (*save_regs)(struct drm_device *dev);
643 	int (*restore_regs)(struct drm_device *dev);
644 	void (*save_crtc)(struct drm_crtc *crtc);
645 	void (*restore_crtc)(struct drm_crtc *crtc);
646 	int (*power_up)(struct drm_device *dev);
647 	int (*power_down)(struct drm_device *dev);
648 	void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
649 	void (*disable_sr)(struct drm_device *dev);
650 
651 	void (*lvds_bl_power)(struct drm_device *dev, bool on);
652 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
653 	/* Backlight */
654 	int (*backlight_init)(struct drm_device *dev);
655 #endif
656 	int i2c_bus;		/* I2C bus identifier for Moorestown */
657 };
658 
659 
660 
661 extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
662 extern int drm_pick_crtcs(struct drm_device *dev);
663 
664 static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
665 {
666 	return (struct drm_psb_private *) dev->dev_private;
667 }
668 
669 /* psb_irq.c */
670 extern irqreturn_t psb_irq_handler(int irq, void *arg);
671 extern int psb_irq_enable_dpst(struct drm_device *dev);
672 extern int psb_irq_disable_dpst(struct drm_device *dev);
673 extern void psb_irq_preinstall(struct drm_device *dev);
674 extern int psb_irq_postinstall(struct drm_device *dev);
675 extern void psb_irq_uninstall(struct drm_device *dev);
676 extern void psb_irq_turn_on_dpst(struct drm_device *dev);
677 extern void psb_irq_turn_off_dpst(struct drm_device *dev);
678 
679 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
680 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
681 extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
682 extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
683 extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
684 void
685 psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
686 
687 void
688 psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
689 
690 extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
691 
692 /* framebuffer.c */
693 extern int psbfb_probed(struct drm_device *dev);
694 extern int psbfb_remove(struct drm_device *dev,
695 			struct drm_framebuffer *fb);
696 /* accel_2d.c */
697 extern void psbfb_copyarea(struct fb_info *info,
698 					const struct fb_copyarea *region);
699 extern int psbfb_sync(struct fb_info *info);
700 extern void psb_spank(struct drm_psb_private *dev_priv);
701 
702 /* psb_reset.c */
703 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
704 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
705 extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
706 
707 /* modesetting */
708 extern void psb_modeset_init(struct drm_device *dev);
709 extern void psb_modeset_cleanup(struct drm_device *dev);
710 extern int psb_fbdev_init(struct drm_device *dev);
711 
712 /* backlight.c */
713 int gma_backlight_init(struct drm_device *dev);
714 void gma_backlight_exit(struct drm_device *dev);
715 void gma_backlight_disable(struct drm_device *dev);
716 void gma_backlight_enable(struct drm_device *dev);
717 void gma_backlight_set(struct drm_device *dev, int v);
718 
719 /* oaktrail_crtc.c */
720 extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
721 
722 /* oaktrail_lvds.c */
723 extern void oaktrail_lvds_init(struct drm_device *dev,
724 		    struct psb_intel_mode_device *mode_dev);
725 
726 /* psb_intel_display.c */
727 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
728 extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
729 
730 /* psb_intel_lvds.c */
731 extern const struct drm_connector_helper_funcs
732 					psb_intel_lvds_connector_helper_funcs;
733 extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
734 
735 /* gem.c */
736 extern void psb_gem_free_object(struct drm_gem_object *obj);
737 extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
738 			struct drm_file *file);
739 extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
740 			struct drm_mode_create_dumb *args);
741 extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
742 
743 /* psb_device.c */
744 extern const struct psb_ops psb_chip_ops;
745 
746 /* oaktrail_device.c */
747 extern const struct psb_ops oaktrail_chip_ops;
748 
749 /* mdlfd_device.c */
750 extern const struct psb_ops mdfld_chip_ops;
751 
752 /* cdv_device.c */
753 extern const struct psb_ops cdv_chip_ops;
754 
755 /* Debug print bits setting */
756 #define PSB_D_GENERAL (1 << 0)
757 #define PSB_D_INIT    (1 << 1)
758 #define PSB_D_IRQ     (1 << 2)
759 #define PSB_D_ENTRY   (1 << 3)
760 /* debug the get H/V BP/FP count */
761 #define PSB_D_HV      (1 << 4)
762 #define PSB_D_DBI_BF  (1 << 5)
763 #define PSB_D_PM      (1 << 6)
764 #define PSB_D_RENDER  (1 << 7)
765 #define PSB_D_REG     (1 << 8)
766 #define PSB_D_MSVDX   (1 << 9)
767 #define PSB_D_TOPAZ   (1 << 10)
768 
769 extern int drm_idle_check_interval;
770 
771 /* Utilities */
772 static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
773 {
774 	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
775 	uint32_t ret_val = 0;
776 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
777 	pci_write_config_dword(pci_root, 0xD0, mcr);
778 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
779 	pci_dev_put(pci_root);
780 	return ret_val;
781 }
782 static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
783 				    u32 value)
784 {
785 	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
786 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
787 	pci_write_config_dword(pci_root, 0xD4, value);
788 	pci_write_config_dword(pci_root, 0xD0, mcr);
789 	pci_dev_put(pci_root);
790 }
791 static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
792 {
793 	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
794 	uint32_t ret_val = 0;
795 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
796 	pci_write_config_dword(pci_root, 0xD0, mcr);
797 	pci_read_config_dword(pci_root, 0xD4, &ret_val);
798 	pci_dev_put(pci_root);
799 	return ret_val;
800 }
801 static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
802 				     u32 value)
803 {
804 	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
805 	struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
806 	pci_write_config_dword(pci_root, 0xD4, value);
807 	pci_write_config_dword(pci_root, 0xD0, mcr);
808 	pci_dev_put(pci_root);
809 }
810 
811 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
812 {
813 	struct drm_psb_private *dev_priv = dev->dev_private;
814 	return ioread32(dev_priv->vdc_reg + reg);
815 }
816 
817 static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
818 {
819 	struct drm_psb_private *dev_priv = dev->dev_private;
820 	return ioread32(dev_priv->aux_reg + reg);
821 }
822 
823 #define REG_READ(reg)	       REGISTER_READ(dev, (reg))
824 #define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
825 
826 /* Useful for post reads */
827 static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
828 					      uint32_t reg, int aux)
829 {
830 	uint32_t val;
831 
832 	if (aux)
833 		val = REG_READ_AUX(reg);
834 	else
835 		val = REG_READ(reg);
836 
837 	return val;
838 }
839 
840 #define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
841 
842 static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
843 				  uint32_t val)
844 {
845 	struct drm_psb_private *dev_priv = dev->dev_private;
846 	iowrite32((val), dev_priv->vdc_reg + (reg));
847 }
848 
849 static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
850 				      uint32_t val)
851 {
852 	struct drm_psb_private *dev_priv = dev->dev_private;
853 	iowrite32((val), dev_priv->aux_reg + (reg));
854 }
855 
856 #define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
857 #define REG_WRITE_AUX(reg, val)	REGISTER_WRITE_AUX(dev, (reg), (val))
858 
859 static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
860 				      uint32_t val, int aux)
861 {
862 	if (aux)
863 		REG_WRITE_AUX(reg, val);
864 	else
865 		REG_WRITE(reg, val);
866 }
867 
868 #define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
869 
870 static inline void REGISTER_WRITE16(struct drm_device *dev,
871 					uint32_t reg, uint32_t val)
872 {
873 	struct drm_psb_private *dev_priv = dev->dev_private;
874 	iowrite16((val), dev_priv->vdc_reg + (reg));
875 }
876 
877 #define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
878 
879 static inline void REGISTER_WRITE8(struct drm_device *dev,
880 				       uint32_t reg, uint32_t val)
881 {
882 	struct drm_psb_private *dev_priv = dev->dev_private;
883 	iowrite8((val), dev_priv->vdc_reg + (reg));
884 }
885 
886 #define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
887 
888 #define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
889 #define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
890 
891 /* #define TRAP_SGX_PM_FAULT 1 */
892 #ifdef TRAP_SGX_PM_FAULT
893 #define PSB_RSGX32(_offs)						\
894 ({									\
895 	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
896 		pr_err("access sgx when it's off!! (READ) %s, %d\n",	\
897 		       __FILE__, __LINE__);				\
898 		melay(1000);						\
899 	}								\
900 	ioread32(dev_priv->sgx_reg + (_offs));				\
901 })
902 #else
903 #define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
904 #endif
905 #define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
906 
907 #define MSVDX_REG_DUMP 0
908 
909 #define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
910 #define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
911 
912 #endif
913