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 "gtt.h"
17#include "intel_bios.h"
18#include "mmu.h"
19#include "oaktrail.h"
20#include "opregion.h"
21#include "power.h"
22#include "psb_intel_drv.h"
23#include "psb_reg.h"
24
25#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
26
27#define DRIVER_NAME "gma500"
28#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
29#define DRIVER_DATE "20140314"
30
31#define DRIVER_MAJOR 1
32#define DRIVER_MINOR 0
33#define DRIVER_PATCHLEVEL 0
34
35/* Append new drm mode definition here, align with libdrm definition */
36#define DRM_MODE_SCALE_NO_SCALE   	2
37
38#define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
39#define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
40#define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
41
42/* Hardware offsets */
43#define PSB_VDC_OFFSET		 0x00000000
44#define PSB_VDC_SIZE		 0x000080000
45#define MRST_MMIO_SIZE		 0x0000C0000
46#define PSB_SGX_SIZE		 0x8000
47#define PSB_SGX_OFFSET		 0x00040000
48#define MRST_SGX_OFFSET		 0x00080000
49
50/* PCI resource identifiers */
51#define PSB_MMIO_RESOURCE	 0
52#define PSB_AUX_RESOURCE	 0
53#define PSB_GATT_RESOURCE	 2
54#define PSB_GTT_RESOURCE	 3
55
56/* PCI configuration */
57#define PSB_GMCH_CTRL		 0x52
58#define PSB_BSM			 0x5C
59#define _PSB_GMCH_ENABLED	 0x4
60#define PSB_PGETBL_CTL		 0x2020
61#define _PSB_PGETBL_ENABLED	 0x00000001
62#define PSB_SGX_2D_SLAVE_PORT	 0x4000
63#define PSB_LPC_GBA		 0x44
64
65/* TODO: To get rid of */
66#define PSB_TT_PRIV0_LIMIT	 (256*1024*1024)
67#define PSB_TT_PRIV0_PLIMIT	 (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
68
69/* SGX side MMU definitions (these can probably go) */
70
71/* Flags for external memory type field */
72#define PSB_MMU_CACHED_MEMORY	  0x0001	/* Bind to MMU only */
73#define PSB_MMU_RO_MEMORY	  0x0002	/* MMU RO memory */
74#define PSB_MMU_WO_MEMORY	  0x0004	/* MMU WO memory */
75
76/* PTE's and PDE's */
77#define PSB_PDE_MASK		  0x003FFFFF
78#define PSB_PDE_SHIFT		  22
79#define PSB_PTE_SHIFT		  12
80
81/* Cache control */
82#define PSB_PTE_VALID		  0x0001	/* PTE / PDE valid */
83#define PSB_PTE_WO		  0x0002	/* Write only */
84#define PSB_PTE_RO		  0x0004	/* Read only */
85#define PSB_PTE_CACHED		  0x0008	/* CPU cache coherent */
86
87/* VDC registers and bits */
88#define PSB_MSVDX_CLOCKGATING	  0x2064
89#define PSB_TOPAZ_CLOCKGATING	  0x2068
90#define PSB_HWSTAM		  0x2098
91#define PSB_INSTPM		  0x20C0
92#define PSB_INT_IDENTITY_R        0x20A4
93#define _PSB_IRQ_ASLE		  (1<<0)
94#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
95#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
96#define _PSB_DPST_PIPEB_FLAG      (1<<4)
97#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
98#define _PSB_VSYNC_PIPEB_FLAG	  (1<<5)
99#define _PSB_DPST_PIPEA_FLAG      (1<<6)
100#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
101#define _PSB_VSYNC_PIPEA_FLAG	  (1<<7)
102#define _PSB_IRQ_DISP_HOTSYNC	  (1<<17)
103#define _PSB_IRQ_SGX_FLAG	  (1<<18)
104#define _PSB_IRQ_MSVDX_FLAG	  (1<<19)
105#define _LNC_IRQ_TOPAZ_FLAG	  (1<<20)
106
107#define _PSB_PIPE_EVENT_FLAG	(_PSB_VSYNC_PIPEA_FLAG | \
108				 _PSB_VSYNC_PIPEB_FLAG)
109
110#define PSB_INT_IDENTITY_R	  0x20A4
111#define PSB_INT_MASK_R		  0x20A8
112#define PSB_INT_ENABLE_R	  0x20A0
113
114#define _PSB_MMU_ER_MASK      0x0001FF00
115#define _PSB_MMU_ER_HOST      (1 << 16)
116#define GPIOA			0x5010
117#define GPIOB			0x5014
118#define GPIOC			0x5018
119#define GPIOD			0x501c
120#define GPIOE			0x5020
121#define GPIOF			0x5024
122#define GPIOG			0x5028
123#define GPIOH			0x502c
124#define GPIO_CLOCK_DIR_MASK		(1 << 0)
125#define GPIO_CLOCK_DIR_IN		(0 << 1)
126#define GPIO_CLOCK_DIR_OUT		(1 << 1)
127#define GPIO_CLOCK_VAL_MASK		(1 << 2)
128#define GPIO_CLOCK_VAL_OUT		(1 << 3)
129#define GPIO_CLOCK_VAL_IN		(1 << 4)
130#define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
131#define GPIO_DATA_DIR_MASK		(1 << 8)
132#define GPIO_DATA_DIR_IN		(0 << 9)
133#define GPIO_DATA_DIR_OUT		(1 << 9)
134#define GPIO_DATA_VAL_MASK		(1 << 10)
135#define GPIO_DATA_VAL_OUT		(1 << 11)
136#define GPIO_DATA_VAL_IN		(1 << 12)
137#define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
138
139#define VCLK_DIVISOR_VGA0   0x6000
140#define VCLK_DIVISOR_VGA1   0x6004
141#define VCLK_POST_DIV	    0x6010
142
143#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
144#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
145#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
146#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
147#define PSB_COMM_USER_IRQ (1024 >> 2)
148#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
149#define PSB_COMM_FW (2048 >> 2)
150
151#define PSB_UIRQ_VISTEST	       1
152#define PSB_UIRQ_OOM_REPLY	       2
153#define PSB_UIRQ_FIRE_TA_REPLY	       3
154#define PSB_UIRQ_FIRE_RASTER_REPLY     4
155
156#define PSB_2D_SIZE (256*1024*1024)
157#define PSB_MAX_RELOC_PAGES 1024
158
159#define PSB_LOW_REG_OFFS 0x0204
160#define PSB_HIGH_REG_OFFS 0x0600
161
162#define PSB_NUM_VBLANKS 2
163
164
165#define PSB_2D_SIZE (256*1024*1024)
166#define PSB_MAX_RELOC_PAGES 1024
167
168#define PSB_LOW_REG_OFFS 0x0204
169#define PSB_HIGH_REG_OFFS 0x0600
170
171#define PSB_NUM_VBLANKS 2
172#define PSB_WATCHDOG_DELAY (HZ * 2)
173#define PSB_LID_DELAY (HZ / 10)
174
175#define PSB_MAX_BRIGHTNESS		100
176
177#define PSB_PWR_STATE_ON		1
178#define PSB_PWR_STATE_OFF		2
179
180#define PSB_PMPOLICY_NOPM		0
181#define PSB_PMPOLICY_CLOCKGATING	1
182#define PSB_PMPOLICY_POWERDOWN		2
183
184#define PSB_PMSTATE_POWERUP		0
185#define PSB_PMSTATE_CLOCKGATED		1
186#define PSB_PMSTATE_POWERDOWN		2
187#define PSB_PCIx_MSI_ADDR_LOC		0x94
188#define PSB_PCIx_MSI_DATA_LOC		0x98
189
190/* Medfield crystal settings */
191#define KSEL_CRYSTAL_19 1
192#define KSEL_BYPASS_19 5
193#define KSEL_BYPASS_25 6
194#define KSEL_BYPASS_83_100 7
195
196struct opregion_header;
197struct opregion_acpi;
198struct opregion_swsci;
199struct opregion_asle;
200
201struct psb_intel_opregion {
202	struct opregion_header *header;
203	struct opregion_acpi *acpi;
204	struct opregion_swsci *swsci;
205	struct opregion_asle *asle;
206	void *vbt;
207	u32 __iomem *lid_state;
208	struct work_struct asle_work;
209};
210
211struct sdvo_device_mapping {
212	u8 initialized;
213	u8 dvo_port;
214	u8 slave_addr;
215	u8 dvo_wiring;
216	u8 i2c_pin;
217	u8 i2c_speed;
218	u8 ddc_pin;
219};
220
221struct intel_gmbus {
222	struct i2c_adapter adapter;
223	struct i2c_adapter *force_bit;
224	u32 reg0;
225};
226
227/* Register offset maps */
228struct psb_offset {
229	u32	fp0;
230	u32	fp1;
231	u32	cntr;
232	u32	conf;
233	u32	src;
234	u32	dpll;
235	u32	dpll_md;
236	u32	htotal;
237	u32	hblank;
238	u32	hsync;
239	u32	vtotal;
240	u32	vblank;
241	u32	vsync;
242	u32	stride;
243	u32	size;
244	u32	pos;
245	u32	surf;
246	u32	addr;
247	u32	base;
248	u32	status;
249	u32	linoff;
250	u32	tileoff;
251	u32	palette;
252};
253
254/*
255 *	Register save state. This is used to hold the context when the
256 *	device is powered off. In the case of Oaktrail this can (but does not
257 *	yet) include screen blank. Operations occuring during the save
258 *	update the register cache instead.
259 */
260
261/* Common status for pipes */
262struct psb_pipe {
263	u32	fp0;
264	u32	fp1;
265	u32	cntr;
266	u32	conf;
267	u32	src;
268	u32	dpll;
269	u32	dpll_md;
270	u32	htotal;
271	u32	hblank;
272	u32	hsync;
273	u32	vtotal;
274	u32	vblank;
275	u32	vsync;
276	u32	stride;
277	u32	size;
278	u32	pos;
279	u32	base;
280	u32	surf;
281	u32	addr;
282	u32	status;
283	u32	linoff;
284	u32	tileoff;
285	u32	palette[256];
286};
287
288struct psb_state {
289	uint32_t saveVCLK_DIVISOR_VGA0;
290	uint32_t saveVCLK_DIVISOR_VGA1;
291	uint32_t saveVCLK_POST_DIV;
292	uint32_t saveVGACNTRL;
293	uint32_t saveADPA;
294	uint32_t saveLVDS;
295	uint32_t saveDVOA;
296	uint32_t saveDVOB;
297	uint32_t saveDVOC;
298	uint32_t savePP_ON;
299	uint32_t savePP_OFF;
300	uint32_t savePP_CONTROL;
301	uint32_t savePP_CYCLE;
302	uint32_t savePFIT_CONTROL;
303	uint32_t saveCLOCKGATING;
304	uint32_t saveDSPARB;
305	uint32_t savePFIT_AUTO_RATIOS;
306	uint32_t savePFIT_PGM_RATIOS;
307	uint32_t savePP_ON_DELAYS;
308	uint32_t savePP_OFF_DELAYS;
309	uint32_t savePP_DIVISOR;
310	uint32_t saveBCLRPAT_A;
311	uint32_t saveBCLRPAT_B;
312	uint32_t savePERF_MODE;
313	uint32_t saveDSPFW1;
314	uint32_t saveDSPFW2;
315	uint32_t saveDSPFW3;
316	uint32_t saveDSPFW4;
317	uint32_t saveDSPFW5;
318	uint32_t saveDSPFW6;
319	uint32_t saveCHICKENBIT;
320	uint32_t saveDSPACURSOR_CTRL;
321	uint32_t saveDSPBCURSOR_CTRL;
322	uint32_t saveDSPACURSOR_BASE;
323	uint32_t saveDSPBCURSOR_BASE;
324	uint32_t saveDSPACURSOR_POS;
325	uint32_t saveDSPBCURSOR_POS;
326	uint32_t saveOV_OVADD;
327	uint32_t saveOV_OGAMC0;
328	uint32_t saveOV_OGAMC1;
329	uint32_t saveOV_OGAMC2;
330	uint32_t saveOV_OGAMC3;
331	uint32_t saveOV_OGAMC4;
332	uint32_t saveOV_OGAMC5;
333	uint32_t saveOVC_OVADD;
334	uint32_t saveOVC_OGAMC0;
335	uint32_t saveOVC_OGAMC1;
336	uint32_t saveOVC_OGAMC2;
337	uint32_t saveOVC_OGAMC3;
338	uint32_t saveOVC_OGAMC4;
339	uint32_t saveOVC_OGAMC5;
340
341	/* DPST register save */
342	uint32_t saveHISTOGRAM_INT_CONTROL_REG;
343	uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
344	uint32_t savePWM_CONTROL_LOGIC;
345};
346
347struct cdv_state {
348	uint32_t saveDSPCLK_GATE_D;
349	uint32_t saveRAMCLK_GATE_D;
350	uint32_t saveDSPARB;
351	uint32_t saveDSPFW[6];
352	uint32_t saveADPA;
353	uint32_t savePP_CONTROL;
354	uint32_t savePFIT_PGM_RATIOS;
355	uint32_t saveLVDS;
356	uint32_t savePFIT_CONTROL;
357	uint32_t savePP_ON_DELAYS;
358	uint32_t savePP_OFF_DELAYS;
359	uint32_t savePP_CYCLE;
360	uint32_t saveVGACNTRL;
361	uint32_t saveIER;
362	uint32_t saveIMR;
363	u8	 saveLBB;
364};
365
366struct psb_save_area {
367	struct psb_pipe pipe[3];
368	uint32_t saveBSM;
369	uint32_t saveVBT;
370	union {
371	        struct psb_state psb;
372		struct cdv_state cdv;
373	};
374	uint32_t saveBLC_PWM_CTL2;
375	uint32_t saveBLC_PWM_CTL;
376};
377
378struct psb_ops;
379
380#define PSB_NUM_PIPE		3
381
382struct intel_scu_ipc_dev;
383
384struct drm_psb_private {
385	struct drm_device dev;
386
387	struct pci_dev *aux_pdev; /* Currently only used by mrst */
388	struct pci_dev *lpc_pdev; /* Currently only used by mrst */
389	const struct psb_ops *ops;
390	const struct psb_offset *regmap;
391
392	struct child_device_config *child_dev;
393	int child_dev_num;
394
395	struct psb_gtt gtt;
396
397	/* GTT Memory manager */
398	struct psb_gtt_mm *gtt_mm;
399	struct page *scratch_page;
400	u32 __iomem *gtt_map;
401	uint32_t stolen_base;
402	u8 __iomem *vram_addr;
403	unsigned long vram_stolen_size;
404	u16 gmch_ctrl;		/* Saved GTT setup */
405	u32 pge_ctl;
406
407	struct mutex gtt_mutex;
408	struct resource *gtt_mem;	/* Our PCI resource */
409
410	struct mutex mmap_mutex;
411
412	struct psb_mmu_driver *mmu;
413	struct psb_mmu_pd *pf_pd;
414
415	/* Register base */
416	uint8_t __iomem *sgx_reg;
417	uint8_t __iomem *vdc_reg;
418	uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
419	uint16_t lpc_gpio_base;
420	uint32_t gatt_free_offset;
421
422	/* Fencing / irq */
423	uint32_t vdc_irq_mask;
424	uint32_t pipestat[PSB_NUM_PIPE];
425
426	spinlock_t irqmask_lock;
427	bool irq_enabled;
428
429	/* Power */
430	bool pm_initialized;
431
432	/* Modesetting */
433	struct psb_intel_mode_device mode_dev;
434	bool modeset;	/* true if we have done the mode_device setup */
435
436	struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
437	struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
438	uint32_t num_pipe;
439
440	/* OSPM info (Power management base) (TODO: can go ?) */
441	uint32_t ospm_base;
442
443	/* Sizes info */
444	u32 fuse_reg_value;
445	u32 video_device_fuse;
446
447	/* PCI revision ID for B0:D2:F0 */
448	uint8_t platform_rev_id;
449
450	/* gmbus */
451	struct intel_gmbus *gmbus;
452	uint8_t __iomem *gmbus_reg;
453
454	/* Used by SDVO */
455	int crt_ddc_pin;
456	/* FIXME: The mappings should be parsed from bios but for now we can
457		  pretend there are no mappings available */
458	struct sdvo_device_mapping sdvo_mappings[2];
459	u32 hotplug_supported_mask;
460	struct drm_property *broadcast_rgb_property;
461	struct drm_property *force_audio_property;
462
463	/* LVDS info */
464	int backlight_duty_cycle;	/* restore backlight to this value */
465	bool panel_wants_dither;
466	struct drm_display_mode *panel_fixed_mode;
467	struct drm_display_mode *lfp_lvds_vbt_mode;
468	struct drm_display_mode *sdvo_lvds_vbt_mode;
469
470	struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
471	struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
472
473	/* Feature bits from the VBIOS */
474	unsigned int int_tv_support:1;
475	unsigned int lvds_dither:1;
476	unsigned int lvds_vbt:1;
477	unsigned int int_crt_support:1;
478	unsigned int lvds_use_ssc:1;
479	int lvds_ssc_freq;
480	bool is_lvds_on;
481	bool is_mipi_on;
482	bool lvds_enabled_in_vbt;
483	u32 mipi_ctrl_display;
484
485	unsigned int core_freq;
486	uint32_t iLVDS_enable;
487
488	/* MID specific */
489	bool use_msi;
490	bool has_gct;
491	struct oaktrail_gct_data gct_data;
492
493	/* Oaktrail HDMI state */
494	struct oaktrail_hdmi_dev *hdmi_priv;
495
496	/* Register state */
497	struct psb_save_area regs;
498
499	/* Hotplug handling */
500	struct work_struct hotplug_work;
501
502	/* LID-Switch */
503	spinlock_t lid_lock;
504	struct timer_list lid_timer;
505	struct psb_intel_opregion opregion;
506	u32 lid_last_state;
507
508	/* Watchdog */
509	uint32_t apm_reg;
510	uint16_t apm_base;
511
512	/*
513	 * Used for modifying backlight from
514	 * xrandr -- consider removing and using HAL instead
515	 */
516	struct intel_scu_ipc_dev *scu;
517	struct backlight_device *backlight_device;
518	struct drm_property *backlight_property;
519	bool backlight_enabled;
520	int backlight_level;
521	uint32_t blc_adj1;
522	uint32_t blc_adj2;
523
524	bool dsr_enable;
525	u32 dsr_fb_update;
526	bool dpi_panel_on[3];
527	void *dsi_configs[2];
528	u32 bpp;
529	u32 bpp2;
530
531	u32 pipeconf[3];
532	u32 dspcntr[3];
533
534	bool dplla_96mhz;	/* DPLL data from the VBT */
535
536	struct {
537		int rate;
538		int lanes;
539		int preemphasis;
540		int vswing;
541
542		bool initialized;
543		bool support;
544		int bpp;
545		struct edp_power_seq pps;
546	} edp;
547	uint8_t panel_type;
548};
549
550static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
551{
552	return container_of(dev, struct drm_psb_private, dev);
553}
554
555/* Operations for each board type */
556struct psb_ops {
557	const char *name;
558	int pipes;		/* Number of output pipes */
559	int crtcs;		/* Number of CRTCs */
560	int sgx_offset;		/* Base offset of SGX device */
561	int hdmi_mask;		/* Mask of HDMI CRTCs */
562	int lvds_mask;		/* Mask of LVDS CRTCs */
563	int sdvo_mask;		/* Mask of SDVO CRTCs */
564	int cursor_needs_phys;  /* If cursor base reg need physical address */
565
566	/* Sub functions */
567	struct drm_crtc_helper_funcs const *crtc_helper;
568	const struct gma_clock_funcs *clock_funcs;
569
570	/* Setup hooks */
571	int (*chip_setup)(struct drm_device *dev);
572	void (*chip_teardown)(struct drm_device *dev);
573	/* Optional helper caller after modeset */
574	void (*errata)(struct drm_device *dev);
575
576	/* Display management hooks */
577	int (*output_init)(struct drm_device *dev);
578	int (*hotplug)(struct drm_device *dev);
579	void (*hotplug_enable)(struct drm_device *dev, bool on);
580	/* Power management hooks */
581	void (*init_pm)(struct drm_device *dev);
582	int (*save_regs)(struct drm_device *dev);
583	int (*restore_regs)(struct drm_device *dev);
584	void (*save_crtc)(struct drm_crtc *crtc);
585	void (*restore_crtc)(struct drm_crtc *crtc);
586	int (*power_up)(struct drm_device *dev);
587	int (*power_down)(struct drm_device *dev);
588	void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
589	void (*disable_sr)(struct drm_device *dev);
590
591	void (*lvds_bl_power)(struct drm_device *dev, bool on);
592
593	/* Backlight */
594	int (*backlight_init)(struct drm_device *dev);
595	void (*backlight_set)(struct drm_device *dev, int level);
596	int (*backlight_get)(struct drm_device *dev);
597	const char *backlight_name;
598
599	int i2c_bus;		/* I2C bus identifier for Moorestown */
600};
601
602/* psb_lid.c */
603extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
604extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
605
606/* modesetting */
607extern void psb_modeset_init(struct drm_device *dev);
608extern void psb_modeset_cleanup(struct drm_device *dev);
609
610/* framebuffer */
611struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev,
612					       const struct drm_mode_fb_cmd2 *mode_cmd,
613					       struct drm_gem_object *obj);
614
615/* fbdev */
616#if defined(CONFIG_DRM_FBDEV_EMULATION)
617void psb_fbdev_setup(struct drm_psb_private *dev_priv);
618#else
619static inline void psb_fbdev_setup(struct drm_psb_private *dev_priv)
620{ }
621#endif
622
623/* backlight.c */
624int gma_backlight_init(struct drm_device *dev);
625void gma_backlight_exit(struct drm_device *dev);
626void gma_backlight_disable(struct drm_device *dev);
627void gma_backlight_enable(struct drm_device *dev);
628void gma_backlight_set(struct drm_device *dev, int v);
629
630/* oaktrail_crtc.c */
631extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
632
633/* oaktrail_lvds.c */
634extern void oaktrail_lvds_init(struct drm_device *dev,
635		    struct psb_intel_mode_device *mode_dev);
636
637/* psb_intel_display.c */
638extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
639
640/* psb_intel_lvds.c */
641extern const struct drm_connector_helper_funcs
642					psb_intel_lvds_connector_helper_funcs;
643extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
644
645/* gem.c */
646extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
647			struct drm_mode_create_dumb *args);
648
649/* psb_device.c */
650extern const struct psb_ops psb_chip_ops;
651
652/* oaktrail_device.c */
653extern const struct psb_ops oaktrail_chip_ops;
654
655/* cdv_device.c */
656extern const struct psb_ops cdv_chip_ops;
657
658/* Utilities */
659static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
660{
661	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
662	return ioread32(dev_priv->vdc_reg + reg);
663}
664
665static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
666{
667	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
668	return ioread32(dev_priv->aux_reg + reg);
669}
670
671#define REG_READ(reg)	       REGISTER_READ(dev, (reg))
672#define REG_READ_AUX(reg)      REGISTER_READ_AUX(dev, (reg))
673
674/* Useful for post reads */
675static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
676					      uint32_t reg, int aux)
677{
678	uint32_t val;
679
680	if (aux)
681		val = REG_READ_AUX(reg);
682	else
683		val = REG_READ(reg);
684
685	return val;
686}
687
688#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
689
690static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
691				  uint32_t val)
692{
693	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
694	iowrite32((val), dev_priv->vdc_reg + (reg));
695}
696
697static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
698				      uint32_t val)
699{
700	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
701	iowrite32((val), dev_priv->aux_reg + (reg));
702}
703
704#define REG_WRITE(reg, val)	REGISTER_WRITE(dev, (reg), (val))
705#define REG_WRITE_AUX(reg, val)	REGISTER_WRITE_AUX(dev, (reg), (val))
706
707static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
708				      uint32_t val, int aux)
709{
710	if (aux)
711		REG_WRITE_AUX(reg, val);
712	else
713		REG_WRITE(reg, val);
714}
715
716#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
717
718static inline void REGISTER_WRITE16(struct drm_device *dev,
719					uint32_t reg, uint32_t val)
720{
721	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
722	iowrite16((val), dev_priv->vdc_reg + (reg));
723}
724
725#define REG_WRITE16(reg, val)	  REGISTER_WRITE16(dev, (reg), (val))
726
727static inline void REGISTER_WRITE8(struct drm_device *dev,
728				       uint32_t reg, uint32_t val)
729{
730	struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
731	iowrite8((val), dev_priv->vdc_reg + (reg));
732}
733
734#define REG_WRITE8(reg, val)		REGISTER_WRITE8(dev, (reg), (val))
735
736#define PSB_WVDC32(_val, _offs)		iowrite32(_val, dev_priv->vdc_reg + (_offs))
737#define PSB_RVDC32(_offs)		ioread32(dev_priv->vdc_reg + (_offs))
738
739#define PSB_RSGX32(_offs)		ioread32(dev_priv->sgx_reg + (_offs))
740#define PSB_WSGX32(_val, _offs)		iowrite32(_val, dev_priv->sgx_reg + (_offs))
741
742#define PSB_WMSVDX32(_val, _offs)	iowrite32(_val, dev_priv->msvdx_reg + (_offs))
743#define PSB_RMSVDX32(_offs)		ioread32(dev_priv->msvdx_reg + (_offs))
744
745#endif
746