1/**************************************************************************
2 * Copyright (c) 2007-2011, 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#ifndef _PSB_DRV_H_
21#define _PSB_DRV_H_
22
23#include <linux/kref.h>
24
25#include <drm/drmP.h>
26#include <drm/drm_global.h>
27#include <drm/gma_drm.h>
28#include "psb_reg.h"
29#include "psb_intel_drv.h"
30#include "gma_display.h"
31#include "intel_bios.h"
32#include "gtt.h"
33#include "power.h"
34#include "opregion.h"
35#include "oaktrail.h"
36#include "mmu.h"
37
38#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
39#define DRIVER_LICENSE "GPL"
40
41#define DRIVER_NAME "gma500"
42#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
43#define DRIVER_DATE "20140314"
44
45#define DRIVER_MAJOR 1
46#define DRIVER_MINOR 0
47#define DRIVER_PATCHLEVEL 0
48
49/* Append new drm mode definition here, align with libdrm definition */
50#define DRM_MODE_SCALE_NO_SCALE   	2
51
52enum {
53	CHIP_PSB_8108 = 0,		/* Poulsbo */
54	CHIP_PSB_8109 = 1,		/* Poulsbo */
55	CHIP_MRST_4100 = 2,		/* Moorestown/Oaktrail */
56	CHIP_MFLD_0130 = 3,		/* Medfield */
57};
58
59#define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
60#define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
61#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
62#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
63
64/* Hardware offsets */
65#define PSB_VDC_OFFSET		 0x00000000
66#define PSB_VDC_SIZE		 0x000080000
67#define MRST_MMIO_SIZE		 0x0000C0000
68#define MDFLD_MMIO_SIZE          0x000100000
69#define PSB_SGX_SIZE		 0x8000
70#define PSB_SGX_OFFSET		 0x00040000
71#define MRST_SGX_OFFSET		 0x00080000
72
73/* PCI resource identifiers */
74#define PSB_MMIO_RESOURCE	 0
75#define PSB_AUX_RESOURCE	 0
76#define PSB_GATT_RESOURCE	 2
77#define PSB_GTT_RESOURCE	 3
78
79/* PCI configuration */
80#define PSB_GMCH_CTRL		 0x52
81#define PSB_BSM			 0x5C
82#define _PSB_GMCH_ENABLED	 0x4
83#define PSB_PGETBL_CTL		 0x2020
84#define _PSB_PGETBL_ENABLED	 0x00000001
85#define PSB_SGX_2D_SLAVE_PORT	 0x4000
86#define PSB_LPC_GBA		 0x44
87
88/* TODO: To get rid of */
89#define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
90#define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
91
92/* SGX side MMU definitions (these can probably go) */
93
94/* Flags for external memory type field */
95#define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
96#define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
97#define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
98
99/* PTE's and PDE's */
100#define PSB_PDE_MASK		  0x003FFFFF
101#define PSB_PDE_SHIFT		  22
102#define PSB_PTE_SHIFT		  12
103
104/* Cache control */
105#define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
106#define PSB_PTE_WO		  0x0002	/* Write only */
107#define PSB_PTE_RO		  0x0004	/* Read only */
108#define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
109
110/* VDC registers and bits */
111#define PSB_MSVDX_CLOCKGATING	  0x2064
112#define PSB_TOPAZ_CLOCKGATING	  0x2068
113#define PSB_HWSTAM		  0x2098
114#define PSB_INSTPM		  0x20C0
115#define PSB_INT_IDENTITY_R        0x20A4
116#define _PSB_IRQ_ASLE		  (1<<0)
117#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
118#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
119#define _PSB_DPST_PIPEB_FLAG      (1<<4)
120#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
121#define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
122#define _PSB_DPST_PIPEA_FLAG      (1<<6)
123#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
124#define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
125#define _MDFLD_MIPIA_FLAG	  (1<<16)
126#define _MDFLD_MIPIC_FLAG	  (1<<17)
127#define _PSB_IRQ_DISP_HOTSYNC	  (1<<17)
128#define _PSB_IRQ_SGX_FLAG	  (1<<18)
129#define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
130#define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
131
132#define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
133				 _PSB_VSYNC_PIPEB_FLAG)
134
135/* This flag includes all the display IRQ bits excepts the vblank irqs. */
136#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
137				  _MDFLD_PIPEB_EVENT_FLAG | \
138				  _PSB_PIPEA_EVENT_FLAG | \
139				  _PSB_VSYNC_PIPEA_FLAG | \
140				  _MDFLD_MIPIA_FLAG | \
141				  _MDFLD_MIPIC_FLAG)
142#define PSB_INT_IDENTITY_R	  0x20A4
143#define PSB_INT_MASK_R		  0x20A8
144#define PSB_INT_ENABLE_R	  0x20A0
145
146#define _PSB_MMU_ER_MASK      0x0001FF00
147#define _PSB_MMU_ER_HOST      (1 << 16)
148#define GPIOA			0x5010
149#define GPIOB			0x5014
150#define GPIOC			0x5018
151#define GPIOD			0x501c
152#define GPIOE			0x5020
153#define GPIOF			0x5024
154#define GPIOG			0x5028
155#define GPIOH			0x502c
156#define GPIO_CLOCK_DIR_MASK		(1 << 0)
157#define GPIO_CLOCK_DIR_IN		(0 << 1)
158#define GPIO_CLOCK_DIR_OUT		(1 << 1)
159#define GPIO_CLOCK_VAL_MASK		(1 << 2)
160#define GPIO_CLOCK_VAL_OUT		(1 << 3)
161#define GPIO_CLOCK_VAL_IN		(1 << 4)
162#define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
163#define GPIO_DATA_DIR_MASK		(1 << 8)
164#define GPIO_DATA_DIR_IN		(0 << 9)
165#define GPIO_DATA_DIR_OUT		(1 << 9)
166#define GPIO_DATA_VAL_MASK		(1 << 10)
167#define GPIO_DATA_VAL_OUT		(1 << 11)
168#define GPIO_DATA_VAL_IN		(1 << 12)
169#define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
170
171#define VCLK_DIVISOR_VGA0   0x6000
172#define VCLK_DIVISOR_VGA1   0x6004
173#define VCLK_POST_DIV	    0x6010
174
175#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
176#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
177#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
178#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
179#define PSB_COMM_USER_IRQ (1024 >> 2)
180#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
181#define PSB_COMM_FW (2048 >> 2)
182
183#define PSB_UIRQ_VISTEST	       1
184#define PSB_UIRQ_OOM_REPLY	       2
185#define PSB_UIRQ_FIRE_TA_REPLY	       3
186#define PSB_UIRQ_FIRE_RASTER_REPLY     4
187
188#define PSB_2D_SIZE (256*1024*1024)
189#define PSB_MAX_RELOC_PAGES 1024
190
191#define PSB_LOW_REG_OFFS 0x0204
192#define PSB_HIGH_REG_OFFS 0x0600
193
194#define PSB_NUM_VBLANKS 2
195
196
197#define PSB_2D_SIZE (256*1024*1024)
198#define PSB_MAX_RELOC_PAGES 1024
199
200#define PSB_LOW_REG_OFFS 0x0204
201#define PSB_HIGH_REG_OFFS 0x0600
202
203#define PSB_NUM_VBLANKS 2
204#define PSB_WATCHDOG_DELAY (HZ * 2)
205#define PSB_LID_DELAY (HZ / 10)
206
207#define MDFLD_PNW_B0 0x04
208#define MDFLD_PNW_C0 0x08
209
210#define MDFLD_DSR_2D_3D_0 	(1 << 0)
211#define MDFLD_DSR_2D_3D_2 	(1 << 1)
212#define MDFLD_DSR_CURSOR_0 	(1 << 2)
213#define MDFLD_DSR_CURSOR_2	(1 << 3)
214#define MDFLD_DSR_OVERLAY_0 	(1 << 4)
215#define MDFLD_DSR_OVERLAY_2 	(1 << 5)
216#define MDFLD_DSR_MIPI_CONTROL	(1 << 6)
217#define MDFLD_DSR_DAMAGE_MASK_0	((1 << 0) | (1 << 2) | (1 << 4))
218#define MDFLD_DSR_DAMAGE_MASK_2	((1 << 1) | (1 << 3) | (1 << 5))
219#define MDFLD_DSR_2D_3D 	(MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
220
221#define MDFLD_DSR_RR		45
222#define MDFLD_DPU_ENABLE 	(1 << 31)
223#define MDFLD_DSR_FULLSCREEN 	(1 << 30)
224#define MDFLD_DSR_DELAY		(HZ / MDFLD_DSR_RR)
225
226#define PSB_PWR_STATE_ON		1
227#define PSB_PWR_STATE_OFF		2
228
229#define PSB_PMPOLICY_NOPM		0
230#define PSB_PMPOLICY_CLOCKGATING	1
231#define PSB_PMPOLICY_POWERDOWN		2
232
233#define PSB_PMSTATE_POWERUP		0
234#define PSB_PMSTATE_CLOCKGATED		1
235#define PSB_PMSTATE_POWERDOWN		2
236#define PSB_PCIx_MSI_ADDR_LOC		0x94
237#define PSB_PCIx_MSI_DATA_LOC		0x98
238
239/* Medfield crystal settings */
240#define KSEL_CRYSTAL_19 1
241#define KSEL_BYPASS_19 5
242#define KSEL_BYPASS_25 6
243#define KSEL_BYPASS_83_100 7
244
245struct opregion_header;
246struct opregion_acpi;
247struct opregion_swsci;
248struct opregion_asle;
249
250struct psb_intel_opregion {
251	struct opregion_header *header;
252	struct opregion_acpi *acpi;
253	struct opregion_swsci *swsci;
254	struct opregion_asle *asle;
255	void *vbt;
256	u32 __iomem *lid_state;
257	struct work_struct asle_work;
258};
259
260struct sdvo_device_mapping {
261	u8 initialized;
262	u8 dvo_port;
263	u8 slave_addr;
264	u8 dvo_wiring;
265	u8 i2c_pin;
266	u8 i2c_speed;
267	u8 ddc_pin;
268};
269
270struct intel_gmbus {
271	struct i2c_adapter adapter;
272	struct i2c_adapter *force_bit;
273	u32 reg0;
274};
275
276/* Register offset maps */
277struct psb_offset {
278	u32	fp0;
279	u32	fp1;
280	u32	cntr;
281	u32	conf;
282	u32	src;
283	u32	dpll;
284	u32	dpll_md;
285	u32	htotal;
286	u32	hblank;
287	u32	hsync;
288	u32	vtotal;
289	u32	vblank;
290	u32	vsync;
291	u32	stride;
292	u32	size;
293	u32	pos;
294	u32	surf;
295	u32	addr;
296	u32	base;
297	u32	status;
298	u32	linoff;
299	u32	tileoff;
300	u32	palette;
301};
302
303/*
304 *	Register save state. This is used to hold the context when the
305 *	device is powered off. In the case of Oaktrail this can (but does not
306 *	yet) include screen blank. Operations occuring during the save
307 *	update the register cache instead.
308 */
309
310/* Common status for pipes */
311struct psb_pipe {
312	u32	fp0;
313	u32	fp1;
314	u32	cntr;
315	u32	conf;
316	u32	src;
317	u32	dpll;
318	u32	dpll_md;
319	u32	htotal;
320	u32	hblank;
321	u32	hsync;
322	u32	vtotal;
323	u32	vblank;
324	u32	vsync;
325	u32	stride;
326	u32	size;
327	u32	pos;
328	u32	base;
329	u32	surf;
330	u32	addr;
331	u32	status;
332	u32	linoff;
333	u32	tileoff;
334	u32	palette[256];
335};
336
337struct psb_state {
338	uint32_t saveVCLK_DIVISOR_VGA0;
339	uint32_t saveVCLK_DIVISOR_VGA1;
340	uint32_t saveVCLK_POST_DIV;
341	uint32_t saveVGACNTRL;
342	uint32_t saveADPA;
343	uint32_t saveLVDS;
344	uint32_t saveDVOA;
345	uint32_t saveDVOB;
346	uint32_t saveDVOC;
347	uint32_t savePP_ON;
348	uint32_t savePP_OFF;
349	uint32_t savePP_CONTROL;
350	uint32_t savePP_CYCLE;
351	uint32_t savePFIT_CONTROL;
352	uint32_t saveCLOCKGATING;
353	uint32_t saveDSPARB;
354	uint32_t savePFIT_AUTO_RATIOS;
355	uint32_t savePFIT_PGM_RATIOS;
356	uint32_t savePP_ON_DELAYS;
357	uint32_t savePP_OFF_DELAYS;
358	uint32_t savePP_DIVISOR;
359	uint32_t saveBCLRPAT_A;
360	uint32_t saveBCLRPAT_B;
361	uint32_t savePERF_MODE;
362	uint32_t saveDSPFW1;
363	uint32_t saveDSPFW2;
364	uint32_t saveDSPFW3;
365	uint32_t saveDSPFW4;
366	uint32_t saveDSPFW5;
367	uint32_t saveDSPFW6;
368	uint32_t saveCHICKENBIT;
369	uint32_t saveDSPACURSOR_CTRL;
370	uint32_t saveDSPBCURSOR_CTRL;
371	uint32_t saveDSPACURSOR_BASE;
372	uint32_t saveDSPBCURSOR_BASE;
373	uint32_t saveDSPACURSOR_POS;
374	uint32_t saveDSPBCURSOR_POS;
375	uint32_t saveOV_OVADD;
376	uint32_t saveOV_OGAMC0;
377	uint32_t saveOV_OGAMC1;
378	uint32_t saveOV_OGAMC2;
379	uint32_t saveOV_OGAMC3;
380	uint32_t saveOV_OGAMC4;
381	uint32_t saveOV_OGAMC5;
382	uint32_t saveOVC_OVADD;
383	uint32_t saveOVC_OGAMC0;
384	uint32_t saveOVC_OGAMC1;
385	uint32_t saveOVC_OGAMC2;
386	uint32_t saveOVC_OGAMC3;
387	uint32_t saveOVC_OGAMC4;
388	uint32_t saveOVC_OGAMC5;
389
390	/* DPST register save */
391	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
392	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
393	uint32_t savePWM_CONTROL_LOGIC;
394};
395
396struct medfield_state {
397	uint32_t saveMIPI;
398	uint32_t saveMIPI_C;
399
400	uint32_t savePFIT_CONTROL;
401	uint32_t savePFIT_PGM_RATIOS;
402	uint32_t saveHDMIPHYMISCCTL;
403	uint32_t saveHDMIB_CONTROL;
404};
405
406struct cdv_state {
407	uint32_t saveDSPCLK_GATE_D;
408	uint32_t saveRAMCLK_GATE_D;
409	uint32_t saveDSPARB;
410	uint32_t saveDSPFW[6];
411	uint32_t saveADPA;
412	uint32_t savePP_CONTROL;
413	uint32_t savePFIT_PGM_RATIOS;
414	uint32_t saveLVDS;
415	uint32_t savePFIT_CONTROL;
416	uint32_t savePP_ON_DELAYS;
417	uint32_t savePP_OFF_DELAYS;
418	uint32_t savePP_CYCLE;
419	uint32_t saveVGACNTRL;
420	uint32_t saveIER;
421	uint32_t saveIMR;
422	u8	 saveLBB;
423};
424
425struct psb_save_area {
426	struct psb_pipe pipe[3];
427	uint32_t saveBSM;
428	uint32_t saveVBT;
429	union {
430	        struct psb_state psb;
431		struct medfield_state mdfld;
432		struct cdv_state cdv;
433	};
434	uint32_t saveBLC_PWM_CTL2;
435	uint32_t saveBLC_PWM_CTL;
436};
437
438struct psb_ops;
439
440#define PSB_NUM_PIPE		3
441
442struct drm_psb_private {
443	struct drm_device *dev;
444	struct pci_dev *aux_pdev; /* Currently only used by mrst */
445	struct pci_dev *lpc_pdev; /* Currently only used by mrst */
446	const struct psb_ops *ops;
447	const struct psb_offset *regmap;
448
449	struct child_device_config *child_dev;
450	int child_dev_num;
451
452	struct psb_gtt gtt;
453
454	/* GTT Memory manager */
455	struct psb_gtt_mm *gtt_mm;
456	struct page *scratch_page;
457	u32 __iomem *gtt_map;
458	uint32_t stolen_base;
459	u8 __iomem *vram_addr;
460	unsigned long vram_stolen_size;
461	int gtt_initialized;
462	u16 gmch_ctrl;		/* Saved GTT setup */
463	u32 pge_ctl;
464
465	struct mutex gtt_mutex;
466	struct resource *gtt_mem;	/* Our PCI resource */
467
468	struct psb_mmu_driver *mmu;
469	struct psb_mmu_pd *pf_pd;
470
471	/* Register base */
472	uint8_t __iomem *sgx_reg;
473	uint8_t __iomem *vdc_reg;
474	uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
475	uint16_t lpc_gpio_base;
476	uint32_t gatt_free_offset;
477
478	/* Fencing / irq */
479	uint32_t vdc_irq_mask;
480	uint32_t pipestat[PSB_NUM_PIPE];
481
482	spinlock_t irqmask_lock;
483
484	/* Power */
485	bool suspended;
486	bool display_power;
487	int display_count;
488
489	/* Modesetting */
490	struct psb_intel_mode_device mode_dev;
491	bool modeset;	/* true if we have done the mode_device setup */
492
493	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
494	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
495	uint32_t num_pipe;
496
497	/* OSPM info (Power management base) (TODO: can go ?) */
498	uint32_t ospm_base;
499
500	/* Sizes info */
501	u32 fuse_reg_value;
502	u32 video_device_fuse;
503
504	/* PCI revision ID for B0:D2:F0 */
505	uint8_t platform_rev_id;
506
507	/* gmbus */
508	struct intel_gmbus *gmbus;
509	uint8_t __iomem *gmbus_reg;
510
511	/* Used by SDVO */
512	int crt_ddc_pin;
513	/* FIXME: The mappings should be parsed from bios but for now we can
514		  pretend there are no mappings available */
515	struct sdvo_device_mapping sdvo_mappings[2];
516	u32 hotplug_supported_mask;
517	struct drm_property *broadcast_rgb_property;
518	struct drm_property *force_audio_property;
519
520	/* LVDS info */
521	int backlight_duty_cycle;	/* restore backlight to this value */
522	bool panel_wants_dither;
523	struct drm_display_mode *panel_fixed_mode;
524	struct drm_display_mode *lfp_lvds_vbt_mode;
525	struct drm_display_mode *sdvo_lvds_vbt_mode;
526
527	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
528	struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
529
530	/* Feature bits from the VBIOS */
531	unsigned int int_tv_support:1;
532	unsigned int lvds_dither:1;
533	unsigned int lvds_vbt:1;
534	unsigned int int_crt_support:1;
535	unsigned int lvds_use_ssc:1;
536	int lvds_ssc_freq;
537	bool is_lvds_on;
538	bool is_mipi_on;
539	u32 mipi_ctrl_display;
540
541	unsigned int core_freq;
542	uint32_t iLVDS_enable;
543
544	/* Runtime PM state */
545	int rpm_enabled;
546
547	/* MID specific */
548	bool has_gct;
549	struct oaktrail_gct_data gct_data;
550
551	/* Oaktrail HDMI state */
552	struct oaktrail_hdmi_dev *hdmi_priv;
553
554	/* Register state */
555	struct psb_save_area regs;
556
557	/* MSI reg save */
558	uint32_t msi_addr;
559	uint32_t msi_data;
560
561	/* Hotplug handling */
562	struct work_struct hotplug_work;
563
564	/* LID-Switch */
565	spinlock_t lid_lock;
566	struct timer_list lid_timer;
567	struct psb_intel_opregion opregion;
568	u32 lid_last_state;
569
570	/* Watchdog */
571	uint32_t apm_reg;
572	uint16_t apm_base;
573
574	/*
575	 * Used for modifying backlight from
576	 * xrandr -- consider removing and using HAL instead
577	 */
578	struct backlight_device *backlight_device;
579	struct drm_property *backlight_property;
580	bool backlight_enabled;
581	int backlight_level;
582	uint32_t blc_adj1;
583	uint32_t blc_adj2;
584
585	void *fbdev;
586
587	/* 2D acceleration */
588	spinlock_t lock_2d;
589
590	/* Panel brightness */
591	int brightness;
592	int brightness_adjusted;
593
594	bool dsr_enable;
595	u32 dsr_fb_update;
596	bool dpi_panel_on[3];
597	void *dsi_configs[2];
598	u32 bpp;
599	u32 bpp2;
600
601	u32 pipeconf[3];
602	u32 dspcntr[3];
603
604	int mdfld_panel_id;
605
606	bool dplla_96mhz;	/* DPLL data from the VBT */
607
608	struct {
609		int rate;
610		int lanes;
611		int preemphasis;
612		int vswing;
613
614		bool initialized;
615		bool support;
616		int bpp;
617		struct edp_power_seq pps;
618	} edp;
619	uint8_t panel_type;
620};
621
622
623/* Operations for each board type */
624struct psb_ops {
625	const char *name;
626	unsigned int accel_2d:1;
627	int pipes;		/* Number of output pipes */
628	int crtcs;		/* Number of CRTCs */
629	int sgx_offset;		/* Base offset of SGX device */
630	int hdmi_mask;		/* Mask of HDMI CRTCs */
631	int lvds_mask;		/* Mask of LVDS CRTCs */
632	int sdvo_mask;		/* Mask of SDVO CRTCs */
633	int cursor_needs_phys;  /* If cursor base reg need physical address */
634
635	/* Sub functions */
636	struct drm_crtc_helper_funcs const *crtc_helper;
637	struct drm_crtc_funcs const *crtc_funcs;
638	const struct gma_clock_funcs *clock_funcs;
639
640	/* Setup hooks */
641	int (*chip_setup)(struct drm_device *dev);
642	void (*chip_teardown)(struct drm_device *dev);
643	/* Optional helper caller after modeset */
644	void (*errata)(struct drm_device *dev);
645
646	/* Display management hooks */
647	int (*output_init)(struct drm_device *dev);
648	int (*hotplug)(struct drm_device *dev);
649	void (*hotplug_enable)(struct drm_device *dev, bool on);
650	/* Power management hooks */
651	void (*init_pm)(struct drm_device *dev);
652	int (*save_regs)(struct drm_device *dev);
653	int (*restore_regs)(struct drm_device *dev);
654	int (*power_up)(struct drm_device *dev);
655	int (*power_down)(struct drm_device *dev);
656	void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
657	void (*disable_sr)(struct drm_device *dev);
658
659	void (*lvds_bl_power)(struct drm_device *dev, bool on);
660#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
661	/* Backlight */
662	int (*backlight_init)(struct drm_device *dev);
663#endif
664	int i2c_bus;		/* I2C bus identifier for Moorestown */
665};
666
667
668
669extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
670extern int drm_pick_crtcs(struct drm_device *dev);
671
672static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
673{
674	return (struct drm_psb_private *) dev->dev_private;
675}
676
677/* psb_irq.c */
678extern irqreturn_t psb_irq_handler(int irq, void *arg);
679extern int psb_irq_enable_dpst(struct drm_device *dev);
680extern int psb_irq_disable_dpst(struct drm_device *dev);
681extern void psb_irq_preinstall(struct drm_device *dev);
682extern int psb_irq_postinstall(struct drm_device *dev);
683extern void psb_irq_uninstall(struct drm_device *dev);
684extern void psb_irq_turn_on_dpst(struct drm_device *dev);
685extern void psb_irq_turn_off_dpst(struct drm_device *dev);
686
687extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
688extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
689extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
690extern int psb_enable_vblank(struct drm_device *dev, int crtc);
691extern void psb_disable_vblank(struct drm_device *dev, int crtc);
692void
693psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
694
695void
696psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
697
698extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
699
700/* framebuffer.c */
701extern int psbfb_probed(struct drm_device *dev);
702extern int psbfb_remove(struct drm_device *dev,
703			struct drm_framebuffer *fb);
704/* accel_2d.c */
705extern void psbfb_copyarea(struct fb_info *info,
706					const struct fb_copyarea *region);
707extern int psbfb_sync(struct fb_info *info);
708extern void psb_spank(struct drm_psb_private *dev_priv);
709
710/* psb_reset.c */
711extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
712extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
713extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
714
715/* modesetting */
716extern void psb_modeset_init(struct drm_device *dev);
717extern void psb_modeset_cleanup(struct drm_device *dev);
718extern int psb_fbdev_init(struct drm_device *dev);
719
720/* backlight.c */
721int gma_backlight_init(struct drm_device *dev);
722void gma_backlight_exit(struct drm_device *dev);
723void gma_backlight_disable(struct drm_device *dev);
724void gma_backlight_enable(struct drm_device *dev);
725void gma_backlight_set(struct drm_device *dev, int v);
726
727/* oaktrail_crtc.c */
728extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
729
730/* oaktrail_lvds.c */
731extern void oaktrail_lvds_init(struct drm_device *dev,
732		    struct psb_intel_mode_device *mode_dev);
733
734/* psb_intel_display.c */
735extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
736extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
737
738/* psb_intel_lvds.c */
739extern const struct drm_connector_helper_funcs
740					psb_intel_lvds_connector_helper_funcs;
741extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
742
743/* gem.c */
744extern void psb_gem_free_object(struct drm_gem_object *obj);
745extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
746			struct drm_file *file);
747extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
748			struct drm_mode_create_dumb *args);
749extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
750			uint32_t handle, uint64_t *offset);
751extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
752extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
753			struct drm_file *file);
754extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
755					struct drm_file *file);
756
757/* psb_device.c */
758extern const struct psb_ops psb_chip_ops;
759
760/* oaktrail_device.c */
761extern const struct psb_ops oaktrail_chip_ops;
762
763/* mdlfd_device.c */
764extern const struct psb_ops mdfld_chip_ops;
765
766/* cdv_device.c */
767extern const struct psb_ops cdv_chip_ops;
768
769/* Debug print bits setting */
770#define PSB_D_GENERAL (1 << 0)
771#define PSB_D_INIT    (1 << 1)
772#define PSB_D_IRQ     (1 << 2)
773#define PSB_D_ENTRY   (1 << 3)
774/* debug the get H/V BP/FP count */
775#define PSB_D_HV      (1 << 4)
776#define PSB_D_DBI_BF  (1 << 5)
777#define PSB_D_PM      (1 << 6)
778#define PSB_D_RENDER  (1 << 7)
779#define PSB_D_REG     (1 << 8)
780#define PSB_D_MSVDX   (1 << 9)
781#define PSB_D_TOPAZ   (1 << 10)
782
783extern int drm_idle_check_interval;
784
785/* Utilities */
786static inline u32 MRST_MSG_READ32(uint port, uint offset)
787{
788	int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
789	uint32_t ret_val = 0;
790	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
791	pci_write_config_dword(pci_root, 0xD0, mcr);
792	pci_read_config_dword(pci_root, 0xD4, &ret_val);
793	pci_dev_put(pci_root);
794	return ret_val;
795}
796static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
797{
798	int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
799	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
800	pci_write_config_dword(pci_root, 0xD4, value);
801	pci_write_config_dword(pci_root, 0xD0, mcr);
802	pci_dev_put(pci_root);
803}
804static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
805{
806	int mcr = (0x10<<24) | (port << 16) | (offset << 8);
807	uint32_t ret_val = 0;
808	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
809	pci_write_config_dword(pci_root, 0xD0, mcr);
810	pci_read_config_dword(pci_root, 0xD4, &ret_val);
811	pci_dev_put(pci_root);
812	return ret_val;
813}
814static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
815{
816	int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
817	struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
818	pci_write_config_dword(pci_root, 0xD4, value);
819	pci_write_config_dword(pci_root, 0xD0, mcr);
820	pci_dev_put(pci_root);
821}
822
823static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
824{
825	struct drm_psb_private *dev_priv = dev->dev_private;
826	return ioread32(dev_priv->vdc_reg + reg);
827}
828
829static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
830{
831	struct drm_psb_private *dev_priv = dev->dev_private;
832	return ioread32(dev_priv->aux_reg + reg);
833}
834
835#define REG_READ(reg)	       REGISTER_READ(dev, (reg))
836#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
837
838/* Useful for post reads */
839static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
840					      uint32_t reg, int aux)
841{
842	uint32_t val;
843
844	if (aux)
845		val = REG_READ_AUX(reg);
846	else
847		val = REG_READ(reg);
848
849	return val;
850}
851
852#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
853
854static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
855				  uint32_t val)
856{
857	struct drm_psb_private *dev_priv = dev->dev_private;
858	iowrite32((val), dev_priv->vdc_reg + (reg));
859}
860
861static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
862				      uint32_t val)
863{
864	struct drm_psb_private *dev_priv = dev->dev_private;
865	iowrite32((val), dev_priv->aux_reg + (reg));
866}
867
868#define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
869#define REG_WRITE_AUX(reg, val)	REGISTER_WRITE_AUX(dev, (reg), (val))
870
871static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
872				      uint32_t val, int aux)
873{
874	if (aux)
875		REG_WRITE_AUX(reg, val);
876	else
877		REG_WRITE(reg, val);
878}
879
880#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
881
882static inline void REGISTER_WRITE16(struct drm_device *dev,
883					uint32_t reg, uint32_t val)
884{
885	struct drm_psb_private *dev_priv = dev->dev_private;
886	iowrite16((val), dev_priv->vdc_reg + (reg));
887}
888
889#define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
890
891static inline void REGISTER_WRITE8(struct drm_device *dev,
892				       uint32_t reg, uint32_t val)
893{
894	struct drm_psb_private *dev_priv = dev->dev_private;
895	iowrite8((val), dev_priv->vdc_reg + (reg));
896}
897
898#define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
899
900#define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
901#define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
902
903/* #define TRAP_SGX_PM_FAULT 1 */
904#ifdef TRAP_SGX_PM_FAULT
905#define PSB_RSGX32(_offs)						\
906({									\
907	if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {		\
908		printk(KERN_ERR						\
909			"access sgx when it's off!! (READ) %s, %d\n",	\
910	       __FILE__, __LINE__);					\
911		melay(1000);						\
912	}								\
913	ioread32(dev_priv->sgx_reg + (_offs));				\
914})
915#else
916#define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
917#endif
918#define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
919
920#define MSVDX_REG_DUMP 0
921
922#define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
923#define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
924
925#endif
926