1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2009, Intel Corporation.
4 */
5#ifndef __PSB_INTEL_REG_H__
6#define __PSB_INTEL_REG_H__
7
8/*
9 * GPIO regs
10 */
11#define GPIOA			0x5010
12#define GPIOB			0x5014
13#define GPIOC			0x5018
14#define GPIOD			0x501c
15#define GPIOE			0x5020
16#define GPIOF			0x5024
17#define GPIOG			0x5028
18#define GPIOH			0x502c
19# define GPIO_CLOCK_DIR_MASK		(1 << 0)
20# define GPIO_CLOCK_DIR_IN		(0 << 1)
21# define GPIO_CLOCK_DIR_OUT		(1 << 1)
22# define GPIO_CLOCK_VAL_MASK		(1 << 2)
23# define GPIO_CLOCK_VAL_OUT		(1 << 3)
24# define GPIO_CLOCK_VAL_IN		(1 << 4)
25# define GPIO_CLOCK_PULLUP_DISABLE	(1 << 5)
26# define GPIO_DATA_DIR_MASK		(1 << 8)
27# define GPIO_DATA_DIR_IN		(0 << 9)
28# define GPIO_DATA_DIR_OUT		(1 << 9)
29# define GPIO_DATA_VAL_MASK		(1 << 10)
30# define GPIO_DATA_VAL_OUT		(1 << 11)
31# define GPIO_DATA_VAL_IN		(1 << 12)
32# define GPIO_DATA_PULLUP_DISABLE	(1 << 13)
33
34#define GMBUS0			0x5100 /* clock/port select */
35#define   GMBUS_RATE_100KHZ	(0<<8)
36#define   GMBUS_RATE_50KHZ	(1<<8)
37#define   GMBUS_RATE_400KHZ	(2<<8) /* reserved on Pineview */
38#define   GMBUS_RATE_1MHZ	(3<<8) /* reserved on Pineview */
39#define   GMBUS_HOLD_EXT	(1<<7) /* 300ns hold time, rsvd on Pineview */
40#define   GMBUS_PORT_DISABLED	0
41#define   GMBUS_PORT_SSC	1
42#define   GMBUS_PORT_VGADDC	2
43#define   GMBUS_PORT_PANEL	3
44#define   GMBUS_PORT_DPC	4 /* HDMIC */
45#define   GMBUS_PORT_DPB	5 /* SDVO, HDMIB */
46				  /* 6 reserved */
47#define   GMBUS_PORT_DPD	7 /* HDMID */
48#define   GMBUS_NUM_PORTS       8
49#define GMBUS1			0x5104 /* command/status */
50#define   GMBUS_SW_CLR_INT	(1<<31)
51#define   GMBUS_SW_RDY		(1<<30)
52#define   GMBUS_ENT		(1<<29) /* enable timeout */
53#define   GMBUS_CYCLE_NONE	(0<<25)
54#define   GMBUS_CYCLE_WAIT	(1<<25)
55#define   GMBUS_CYCLE_INDEX	(2<<25)
56#define   GMBUS_CYCLE_STOP	(4<<25)
57#define   GMBUS_BYTE_COUNT_SHIFT 16
58#define   GMBUS_SLAVE_INDEX_SHIFT 8
59#define   GMBUS_SLAVE_ADDR_SHIFT 1
60#define   GMBUS_SLAVE_READ	(1<<0)
61#define   GMBUS_SLAVE_WRITE	(0<<0)
62#define GMBUS2			0x5108 /* status */
63#define   GMBUS_INUSE		(1<<15)
64#define   GMBUS_HW_WAIT_PHASE	(1<<14)
65#define   GMBUS_STALL_TIMEOUT	(1<<13)
66#define   GMBUS_INT		(1<<12)
67#define   GMBUS_HW_RDY		(1<<11)
68#define   GMBUS_SATOER		(1<<10)
69#define   GMBUS_ACTIVE		(1<<9)
70#define GMBUS3			0x510c /* data buffer bytes 3-0 */
71#define GMBUS4			0x5110 /* interrupt mask (Pineview+) */
72#define   GMBUS_SLAVE_TIMEOUT_EN (1<<4)
73#define   GMBUS_NAK_EN		(1<<3)
74#define   GMBUS_IDLE_EN		(1<<2)
75#define   GMBUS_HW_WAIT_EN	(1<<1)
76#define   GMBUS_HW_RDY_EN	(1<<0)
77#define GMBUS5			0x5120 /* byte index */
78#define   GMBUS_2BYTE_INDEX_EN	(1<<31)
79
80#define BLC_PWM_CTL		0x61254
81#define BLC_PWM_CTL2		0x61250
82#define  PWM_ENABLE		(1 << 31)
83#define  PWM_LEGACY_MODE	(1 << 30)
84#define  PWM_PIPE_B		(1 << 29)
85#define BLC_PWM_CTL_C		0x62254
86#define BLC_PWM_CTL2_C		0x62250
87#define BACKLIGHT_MODULATION_FREQ_SHIFT		(17)
88/*
89 * This is the most significant 15 bits of the number of backlight cycles in a
90 * complete cycle of the modulated backlight control.
91 *
92 * The actual value is this field multiplied by two.
93 */
94#define BACKLIGHT_MODULATION_FREQ_MASK	(0x7fff << 17)
95#define BLM_LEGACY_MODE			(1 << 16)
96/*
97 * This is the number of cycles out of the backlight modulation cycle for which
98 * the backlight is on.
99 *
100 * This field must be no greater than the number of cycles in the complete
101 * backlight modulation cycle.
102 */
103#define BACKLIGHT_DUTY_CYCLE_SHIFT	(0)
104#define BACKLIGHT_DUTY_CYCLE_MASK	(0xffff)
105
106#define I915_GCFGC			0xf0
107#define I915_LOW_FREQUENCY_ENABLE	(1 << 7)
108#define I915_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
109#define I915_DISPLAY_CLOCK_333_MHZ	(4 << 4)
110#define I915_DISPLAY_CLOCK_MASK		(7 << 4)
111
112#define I855_HPLLCC			0xc0
113#define I855_CLOCK_CONTROL_MASK		(3 << 0)
114#define I855_CLOCK_133_200		(0 << 0)
115#define I855_CLOCK_100_200		(1 << 0)
116#define I855_CLOCK_100_133		(2 << 0)
117#define I855_CLOCK_166_250		(3 << 0)
118
119/* I830 CRTC registers */
120#define HTOTAL_A		0x60000
121#define HBLANK_A		0x60004
122#define HSYNC_A			0x60008
123#define VTOTAL_A		0x6000c
124#define VBLANK_A		0x60010
125#define VSYNC_A			0x60014
126#define PIPEASRC		0x6001c
127#define BCLRPAT_A		0x60020
128#define VSYNCSHIFT_A		0x60028
129
130#define HTOTAL_B		0x61000
131#define HBLANK_B		0x61004
132#define HSYNC_B			0x61008
133#define VTOTAL_B		0x6100c
134#define VBLANK_B		0x61010
135#define VSYNC_B			0x61014
136#define PIPEBSRC		0x6101c
137#define BCLRPAT_B		0x61020
138#define VSYNCSHIFT_B		0x61028
139
140#define HTOTAL_C		0x62000
141#define HBLANK_C		0x62004
142#define HSYNC_C			0x62008
143#define VTOTAL_C		0x6200c
144#define VBLANK_C		0x62010
145#define VSYNC_C			0x62014
146#define PIPECSRC		0x6201c
147#define BCLRPAT_C		0x62020
148#define VSYNCSHIFT_C		0x62028
149
150#define PP_STATUS		0x61200
151# define PP_ON				(1 << 31)
152/*
153 * Indicates that all dependencies of the panel are on:
154 *
155 * - PLL enabled
156 * - pipe enabled
157 * - LVDS/DVOB/DVOC on
158 */
159#define PP_READY			(1 << 30)
160#define PP_SEQUENCE_NONE		(0 << 28)
161#define PP_SEQUENCE_ON			(1 << 28)
162#define PP_SEQUENCE_OFF			(2 << 28)
163#define PP_SEQUENCE_MASK		0x30000000
164#define	PP_CYCLE_DELAY_ACTIVE		(1 << 27)
165#define	PP_SEQUENCE_STATE_ON_IDLE	(1 << 3)
166#define	PP_SEQUENCE_STATE_MASK		0x0000000f
167
168#define PP_CONTROL		0x61204
169#define POWER_TARGET_ON			(1 << 0)
170#define	PANEL_UNLOCK_REGS		(0xabcd << 16)
171#define	PANEL_UNLOCK_MASK		(0xffff << 16)
172#define	EDP_FORCE_VDD			(1 << 3)
173#define	EDP_BLC_ENABLE			(1 << 2)
174#define	PANEL_POWER_RESET		(1 << 1)
175#define	PANEL_POWER_OFF			(0 << 0)
176#define	PANEL_POWER_ON			(1 << 0)
177
178/* Poulsbo/Oaktrail */
179#define LVDSPP_ON		0x61208
180#define LVDSPP_OFF		0x6120c
181#define PP_CYCLE		0x61210
182
183/* Cedartrail */
184#define PP_ON_DELAYS		0x61208		/* Cedartrail */
185#define PANEL_PORT_SELECT_MASK 		(3 << 30)
186#define PANEL_PORT_SELECT_LVDS 		(0 << 30)
187#define PANEL_PORT_SELECT_EDP		(1 << 30)
188#define PANEL_POWER_UP_DELAY_MASK	(0x1fff0000)
189#define PANEL_POWER_UP_DELAY_SHIFT	16
190#define PANEL_LIGHT_ON_DELAY_MASK	(0x1fff)
191#define PANEL_LIGHT_ON_DELAY_SHIFT	0
192
193#define PP_OFF_DELAYS		0x6120c		/* Cedartrail */
194#define PANEL_POWER_DOWN_DELAY_MASK	(0x1fff0000)
195#define PANEL_POWER_DOWN_DELAY_SHIFT	16
196#define PANEL_LIGHT_OFF_DELAY_MASK	(0x1fff)
197#define PANEL_LIGHT_OFF_DELAY_SHIFT	0
198
199#define PP_DIVISOR		0x61210		/* Cedartrail */
200#define  PP_REFERENCE_DIVIDER_MASK	(0xffffff00)
201#define  PP_REFERENCE_DIVIDER_SHIFT	8
202#define  PANEL_POWER_CYCLE_DELAY_MASK	(0x1f)
203#define  PANEL_POWER_CYCLE_DELAY_SHIFT	0
204
205#define PFIT_CONTROL		0x61230
206#define PFIT_ENABLE			(1 << 31)
207#define PFIT_PIPE_MASK			(3 << 29)
208#define PFIT_PIPE_SHIFT			29
209#define PFIT_SCALING_MODE_PILLARBOX	(1 << 27)
210#define PFIT_SCALING_MODE_LETTERBOX	(3 << 26)
211#define VERT_INTERP_DISABLE		(0 << 10)
212#define VERT_INTERP_BILINEAR		(1 << 10)
213#define VERT_INTERP_MASK		(3 << 10)
214#define VERT_AUTO_SCALE			(1 << 9)
215#define HORIZ_INTERP_DISABLE		(0 << 6)
216#define HORIZ_INTERP_BILINEAR		(1 << 6)
217#define HORIZ_INTERP_MASK		(3 << 6)
218#define HORIZ_AUTO_SCALE		(1 << 5)
219#define PANEL_8TO6_DITHER_ENABLE	(1 << 3)
220
221#define PFIT_PGM_RATIOS		0x61234
222#define PFIT_VERT_SCALE_MASK			0xfff00000
223#define PFIT_HORIZ_SCALE_MASK			0x0000fff0
224
225#define PFIT_AUTO_RATIOS	0x61238
226
227#define DPLL_A			0x06014
228#define DPLL_B			0x06018
229#define DPLL_VCO_ENABLE			(1 << 31)
230#define DPLL_DVO_HIGH_SPEED		(1 << 30)
231#define DPLL_SYNCLOCK_ENABLE		(1 << 29)
232#define DPLL_VGA_MODE_DIS		(1 << 28)
233#define DPLLB_MODE_DAC_SERIAL		(1 << 26)	/* i915 */
234#define DPLLB_MODE_LVDS			(2 << 26)	/* i915 */
235#define DPLL_MODE_MASK			(3 << 26)
236#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10	(0 << 24)	/* i915 */
237#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5	(1 << 24)	/* i915 */
238#define DPLLB_LVDS_P2_CLOCK_DIV_14	(0 << 24)	/* i915 */
239#define DPLLB_LVDS_P2_CLOCK_DIV_7	(1 << 24)	/* i915 */
240#define DPLL_P2_CLOCK_DIV_MASK		0x03000000	/* i915 */
241#define DPLL_FPA0h1_P1_POST_DIV_MASK	0x00ff0000	/* i915 */
242#define DPLL_LOCK			(1 << 15)	/* CDV */
243
244/*
245 *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
246 * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
247 */
248# define DPLL_FPA01_P1_POST_DIV_MASK_I830	0x001f0000
249/*
250 * The i830 generation, in LVDS mode, defines P1 as the bit number set within
251 * this field (only one bit may be set).
252 */
253#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS	0x003f0000
254#define DPLL_FPA01_P1_POST_DIV_SHIFT	16
255#define PLL_P2_DIVIDE_BY_4		(1 << 23)	/* i830, required
256							 * in DVO non-gang */
257# define PLL_P1_DIVIDE_BY_TWO		(1 << 21)	/* i830 */
258#define PLL_REF_INPUT_DREFCLK		(0 << 13)
259#define PLL_REF_INPUT_TVCLKINA		(1 << 13)	/* i830 */
260#define PLL_REF_INPUT_TVCLKINBC		(2 << 13)	/* SDVO
261								 * TVCLKIN */
262#define PLLB_REF_INPUT_SPREADSPECTRUMIN	(3 << 13)
263#define PLL_REF_INPUT_MASK		(3 << 13)
264#define PLL_LOAD_PULSE_PHASE_SHIFT	9
265/*
266 * Parallel to Serial Load Pulse phase selection.
267 * Selects the phase for the 10X DPLL clock for the PCIe
268 * digital display port. The range is 4 to 13; 10 or more
269 * is just a flip delay. The default is 6
270 */
271#define PLL_LOAD_PULSE_PHASE_MASK	(0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
272#define DISPLAY_RATE_SELECT_FPA1	(1 << 8)
273
274/*
275 * SDVO multiplier for 945G/GM. Not used on 965.
276 *
277 * DPLL_MD_UDI_MULTIPLIER_MASK
278 */
279#define SDVO_MULTIPLIER_MASK		0x000000ff
280#define SDVO_MULTIPLIER_SHIFT_HIRES	4
281#define SDVO_MULTIPLIER_SHIFT_VGA	0
282
283/*
284 * PLL_MD
285 */
286/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
287#define DPLL_A_MD		0x0601c
288/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
289#define DPLL_B_MD		0x06020
290/*
291 * UDI pixel divider, controlling how many pixels are stuffed into a packet.
292 *
293 * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
294 */
295#define DPLL_MD_UDI_DIVIDER_MASK	0x3f000000
296#define DPLL_MD_UDI_DIVIDER_SHIFT	24
297/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
298#define DPLL_MD_VGA_UDI_DIVIDER_MASK	0x003f0000
299#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT	16
300/*
301 * SDVO/UDI pixel multiplier.
302 *
303 * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
304 * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
305 * modes, the bus rate would be below the limits, so SDVO allows for stuffing
306 * dummy bytes in the datastream at an increased clock rate, with both sides of
307 * the link knowing how many bytes are fill.
308 *
309 * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
310 * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
311 * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
312 * through an SDVO command.
313 *
314 * This register field has values of multiplication factor minus 1, with
315 * a maximum multiplier of 5 for SDVO.
316 */
317#define DPLL_MD_UDI_MULTIPLIER_MASK	0x00003f00
318#define DPLL_MD_UDI_MULTIPLIER_SHIFT	8
319/*
320 * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
321 * This best be set to the default value (3) or the CRT won't work. No,
322 * I don't entirely understand what this does...
323 */
324#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK	0x0000003f
325#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
326
327#define DPLL_TEST		0x606c
328#define DPLLB_TEST_SDVO_DIV_1		(0 << 22)
329#define DPLLB_TEST_SDVO_DIV_2		(1 << 22)
330#define DPLLB_TEST_SDVO_DIV_4		(2 << 22)
331#define DPLLB_TEST_SDVO_DIV_MASK	(3 << 22)
332#define DPLLB_TEST_N_BYPASS		(1 << 19)
333#define DPLLB_TEST_M_BYPASS		(1 << 18)
334#define DPLLB_INPUT_BUFFER_ENABLE	(1 << 16)
335#define DPLLA_TEST_N_BYPASS		(1 << 3)
336#define DPLLA_TEST_M_BYPASS		(1 << 2)
337#define DPLLA_INPUT_BUFFER_ENABLE	(1 << 0)
338
339#define ADPA			0x61100
340#define ADPA_DAC_ENABLE			(1 << 31)
341#define ADPA_DAC_DISABLE		0
342#define ADPA_PIPE_SELECT_MASK		(1 << 30)
343#define ADPA_PIPE_A_SELECT		0
344#define ADPA_PIPE_B_SELECT		(1 << 30)
345#define ADPA_USE_VGA_HVPOLARITY		(1 << 15)
346#define ADPA_SETS_HVPOLARITY		0
347#define ADPA_VSYNC_CNTL_DISABLE		(1 << 11)
348#define ADPA_VSYNC_CNTL_ENABLE		0
349#define ADPA_HSYNC_CNTL_DISABLE		(1 << 10)
350#define ADPA_HSYNC_CNTL_ENABLE		0
351#define ADPA_VSYNC_ACTIVE_HIGH		(1 << 4)
352#define ADPA_VSYNC_ACTIVE_LOW		0
353#define ADPA_HSYNC_ACTIVE_HIGH		(1 << 3)
354#define ADPA_HSYNC_ACTIVE_LOW		0
355
356#define FPA0			0x06040
357#define FPA1			0x06044
358#define FPB0			0x06048
359#define FPB1			0x0604c
360#define FP_N_DIV_MASK			0x003f0000
361#define FP_N_DIV_SHIFT			16
362#define FP_M1_DIV_MASK			0x00003f00
363#define FP_M1_DIV_SHIFT			8
364#define FP_M2_DIV_MASK			0x0000003f
365#define FP_M2_DIV_SHIFT			0
366
367#define PORT_HOTPLUG_EN		0x61110
368#define HDMIB_HOTPLUG_INT_EN		(1 << 29)
369#define HDMIC_HOTPLUG_INT_EN		(1 << 28)
370#define HDMID_HOTPLUG_INT_EN		(1 << 27)
371#define SDVOB_HOTPLUG_INT_EN		(1 << 26)
372#define SDVOC_HOTPLUG_INT_EN		(1 << 25)
373#define TV_HOTPLUG_INT_EN		(1 << 18)
374#define CRT_HOTPLUG_INT_EN		(1 << 9)
375#define CRT_HOTPLUG_FORCE_DETECT	(1 << 3)
376/* CDV.. */
377#define CRT_HOTPLUG_ACTIVATION_PERIOD_64	(1 << 8)
378#define CRT_HOTPLUG_DAC_ON_TIME_2M		(0 << 7)
379#define CRT_HOTPLUG_DAC_ON_TIME_4M		(1 << 7)
380#define CRT_HOTPLUG_VOLTAGE_COMPARE_40		(0 << 5)
381#define CRT_HOTPLUG_VOLTAGE_COMPARE_50		(1 << 5)
382#define CRT_HOTPLUG_VOLTAGE_COMPARE_60		(2 << 5)
383#define CRT_HOTPLUG_VOLTAGE_COMPARE_70		(3 << 5)
384#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK	(3 << 5)
385#define CRT_HOTPLUG_DETECT_DELAY_1G		(0 << 4)
386#define CRT_HOTPLUG_DETECT_DELAY_2G		(1 << 4)
387#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV	(0 << 2)
388#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV	(1 << 2)
389#define CRT_HOTPLUG_DETECT_MASK			0x000000F8
390
391#define PORT_HOTPLUG_STAT	0x61114
392#define CRT_HOTPLUG_INT_STATUS		(1 << 11)
393#define TV_HOTPLUG_INT_STATUS		(1 << 10)
394#define CRT_HOTPLUG_MONITOR_MASK	(3 << 8)
395#define CRT_HOTPLUG_MONITOR_COLOR	(3 << 8)
396#define CRT_HOTPLUG_MONITOR_MONO	(2 << 8)
397#define CRT_HOTPLUG_MONITOR_NONE	(0 << 8)
398#define SDVOC_HOTPLUG_INT_STATUS	(1 << 7)
399#define SDVOB_HOTPLUG_INT_STATUS	(1 << 6)
400
401#define SDVOB			0x61140
402#define SDVOC			0x61160
403#define SDVO_ENABLE			(1 << 31)
404#define SDVO_PIPE_B_SELECT		(1 << 30)
405#define SDVO_STALL_SELECT		(1 << 29)
406#define SDVO_INTERRUPT_ENABLE		(1 << 26)
407#define SDVO_COLOR_RANGE_16_235		(1 << 8)
408#define SDVO_AUDIO_ENABLE		(1 << 6)
409
410/**
411 * 915G/GM SDVO pixel multiplier.
412 *
413 * Programmed value is multiplier - 1, up to 5x.
414 *
415 * DPLL_MD_UDI_MULTIPLIER_MASK
416 */
417#define SDVO_PORT_MULTIPLY_MASK		(7 << 23)
418#define SDVO_PORT_MULTIPLY_SHIFT	23
419#define SDVO_PHASE_SELECT_MASK		(15 << 19)
420#define SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
421#define SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
422#define SDVOC_GANG_MODE			(1 << 16)
423#define SDVO_BORDER_ENABLE		(1 << 7)
424#define SDVOB_PCIE_CONCURRENCY		(1 << 3)
425#define SDVO_DETECTED			(1 << 2)
426/* Bits to be preserved when writing */
427#define SDVOB_PRESERVE_MASK		((1 << 17) | (1 << 16) | (1 << 14))
428#define SDVOC_PRESERVE_MASK		(1 << 17)
429
430/*
431 * This register controls the LVDS output enable, pipe selection, and data
432 * format selection.
433 *
434 * All of the clock/data pairs are force powered down by power sequencing.
435 */
436#define LVDS			0x61180
437/*
438 * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
439 * the DPLL semantics change when the LVDS is assigned to that pipe.
440 */
441#define LVDS_PORT_EN			(1 << 31)
442/* Selects pipe B for LVDS data.  Must be set on pre-965. */
443#define LVDS_PIPEB_SELECT		(1 << 30)
444
445/* Turns on border drawing to allow centered display. */
446#define LVDS_BORDER_EN			(1 << 15)
447
448/*
449 * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
450 * pixel.
451 */
452#define LVDS_A0A2_CLKA_POWER_MASK	(3 << 8)
453#define LVDS_A0A2_CLKA_POWER_DOWN	(0 << 8)
454#define LVDS_A0A2_CLKA_POWER_UP		(3 << 8)
455/*
456 * Controls the A3 data pair, which contains the additional LSBs for 24 bit
457 * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
458 * on.
459 */
460#define LVDS_A3_POWER_MASK		(3 << 6)
461#define LVDS_A3_POWER_DOWN		(0 << 6)
462#define LVDS_A3_POWER_UP		(3 << 6)
463/*
464 * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
465 * is set.
466 */
467#define LVDS_CLKB_POWER_MASK		(3 << 4)
468#define LVDS_CLKB_POWER_DOWN		(0 << 4)
469#define LVDS_CLKB_POWER_UP		(3 << 4)
470/*
471 * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
472 * setting for whether we are in dual-channel mode.  The B3 pair will
473 * additionally only be powered up when LVDS_A3_POWER_UP is set.
474 */
475#define LVDS_B0B3_POWER_MASK		(3 << 2)
476#define LVDS_B0B3_POWER_DOWN		(0 << 2)
477#define LVDS_B0B3_POWER_UP		(3 << 2)
478
479#define PIPEACONF		0x70008
480#define PIPEACONF_ENABLE		(1 << 31)
481#define PIPEACONF_DISABLE		0
482#define PIPEACONF_DOUBLE_WIDE		(1 << 30)
483#define PIPECONF_ACTIVE			(1 << 30)
484#define PIPECONF_DSIPLL_LOCK		(1 << 29)
485#define PIPEACONF_SINGLE_WIDE		0
486#define PIPEACONF_PIPE_UNLOCKED		0
487#define PIPEACONF_DSR			(1 << 26)
488#define PIPEACONF_PIPE_LOCKED		(1 << 25)
489#define PIPEACONF_PALETTE		0
490#define PIPECONF_FORCE_BORDER		(1 << 25)
491#define PIPEACONF_GAMMA			(1 << 24)
492#define PIPECONF_PROGRESSIVE		(0 << 21)
493#define PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
494#define PIPECONF_INTERLACE_FIELD_0_ONLY		(7 << 21)
495#define PIPECONF_PLANE_OFF		(1 << 19)
496#define PIPECONF_CURSOR_OFF		(1 << 18)
497
498#define PIPEBCONF		0x71008
499#define PIPEBCONF_ENABLE		(1 << 31)
500#define PIPEBCONF_DISABLE		0
501#define PIPEBCONF_DOUBLE_WIDE		(1 << 30)
502#define PIPEBCONF_DISABLE		0
503#define PIPEBCONF_GAMMA			(1 << 24)
504#define PIPEBCONF_PALETTE		0
505
506#define PIPECCONF		0x72008
507
508#define PIPEBGCMAXRED		0x71010
509#define PIPEBGCMAXGREEN		0x71014
510#define PIPEBGCMAXBLUE		0x71018
511
512#define PIPEASTAT		0x70024
513#define PIPEBSTAT		0x71024
514#define PIPECSTAT		0x72024
515#define PIPE_VBLANK_INTERRUPT_STATUS		(1UL << 1)
516#define PIPE_START_VBLANK_INTERRUPT_STATUS	(1UL << 2)
517#define PIPE_VBLANK_CLEAR			(1 << 1)
518#define PIPE_VBLANK_STATUS			(1 << 1)
519#define PIPE_TE_STATUS				(1UL << 6)
520#define PIPE_DPST_EVENT_STATUS			(1UL << 7)
521#define PIPE_VSYNC_CLEAR			(1UL << 9)
522#define PIPE_VSYNC_STATUS			(1UL << 9)
523#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS		(1UL << 10)
524#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS	(1UL << 11)
525#define PIPE_VBLANK_INTERRUPT_ENABLE		(1UL << 17)
526#define PIPE_START_VBLANK_INTERRUPT_ENABLE	(1UL << 18)
527#define PIPE_TE_ENABLE				(1UL << 22)
528#define PIPE_LEGACY_BLC_EVENT_ENABLE		(1UL << 22)
529#define PIPE_DPST_EVENT_ENABLE			(1UL << 23)
530#define PIPE_VSYNC_ENABL			(1UL << 25)
531#define PIPE_HDMI_AUDIO_UNDERRUN		(1UL << 26)
532#define PIPE_HDMI_AUDIO_BUFFER_DONE		(1UL << 27)
533#define PIPE_FIFO_UNDERRUN			(1UL << 31)
534#define PIPE_HDMI_AUDIO_INT_MASK		(PIPE_HDMI_AUDIO_UNDERRUN | \
535						PIPE_HDMI_AUDIO_BUFFER_DONE)
536#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
537#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
538#define HISTOGRAM_INT_CONTROL		0x61268
539#define HISTOGRAM_BIN_DATA		0X61264
540#define HISTOGRAM_LOGIC_CONTROL		0x61260
541#define PWM_CONTROL_LOGIC		0x61250
542#define PIPE_HOTPLUG_INTERRUPT_STATUS		(1UL << 10)
543#define HISTOGRAM_INTERRUPT_ENABLE		(1UL << 31)
544#define HISTOGRAM_LOGIC_ENABLE			(1UL << 31)
545#define PWM_LOGIC_ENABLE			(1UL << 31)
546#define PWM_PHASEIN_ENABLE			(1UL << 25)
547#define PWM_PHASEIN_INT_ENABLE			(1UL << 24)
548#define PWM_PHASEIN_VB_COUNT			0x00001f00
549#define PWM_PHASEIN_INC				0x0000001f
550#define HISTOGRAM_INT_CTRL_CLEAR		(1UL << 30)
551#define DPST_YUV_LUMA_MODE			0
552
553struct dpst_ie_histogram_control {
554	union {
555		uint32_t data;
556		struct {
557			uint32_t bin_reg_index:7;
558			uint32_t reserved:4;
559			uint32_t bin_reg_func_select:1;
560			uint32_t sync_to_phase_in:1;
561			uint32_t alt_enhancement_mode:2;
562			uint32_t reserved1:1;
563			uint32_t sync_to_phase_in_count:8;
564			uint32_t histogram_mode_select:1;
565			uint32_t reserved2:4;
566			uint32_t ie_pipe_assignment:1;
567			uint32_t ie_mode_table_enabled:1;
568			uint32_t ie_histogram_enable:1;
569		};
570	};
571};
572
573struct dpst_guardband {
574	union {
575		uint32_t data;
576		struct {
577			uint32_t guardband:22;
578			uint32_t guardband_interrupt_delay:8;
579			uint32_t interrupt_status:1;
580			uint32_t interrupt_enable:1;
581		};
582	};
583};
584
585#define PIPEAFRAMEHIGH		0x70040
586#define PIPEAFRAMEPIXEL		0x70044
587#define PIPEBFRAMEHIGH		0x71040
588#define PIPEBFRAMEPIXEL		0x71044
589#define PIPECFRAMEHIGH		0x72040
590#define PIPECFRAMEPIXEL		0x72044
591#define PIPE_FRAME_HIGH_MASK	0x0000ffff
592#define PIPE_FRAME_HIGH_SHIFT	0
593#define PIPE_FRAME_LOW_MASK	0xff000000
594#define PIPE_FRAME_LOW_SHIFT	24
595#define PIPE_PIXEL_MASK		0x00ffffff
596#define PIPE_PIXEL_SHIFT	0
597
598#define FW_BLC_SELF		0x20e0
599#define FW_BLC_SELF_EN          (1<<15)
600
601#define DSPARB			0x70030
602#define DSPFW1			0x70034
603#define DSP_FIFO_SR_WM_MASK		0xFF800000
604#define DSP_FIFO_SR_WM_SHIFT		23
605#define CURSOR_B_FIFO_WM_MASK		0x003F0000
606#define CURSOR_B_FIFO_WM_SHIFT		16
607#define DSPFW2			0x70038
608#define CURSOR_A_FIFO_WM_MASK		0x3F00
609#define CURSOR_A_FIFO_WM_SHIFT		8
610#define DSP_PLANE_C_FIFO_WM_MASK	0x7F
611#define DSP_PLANE_C_FIFO_WM_SHIFT	0
612#define DSPFW3			0x7003c
613#define DSPFW4			0x70050
614#define DSPFW5			0x70054
615#define DSP_PLANE_B_FIFO_WM1_SHIFT	24
616#define DSP_PLANE_A_FIFO_WM1_SHIFT	16
617#define CURSOR_B_FIFO_WM1_SHIFT		8
618#define CURSOR_FIFO_SR_WM1_SHIFT	0
619#define DSPFW6			0x70058
620#define DSPCHICKENBIT		0x70400
621#define DSPACNTR		0x70180
622#define DSPBCNTR		0x71180
623#define DSPCCNTR		0x72180
624#define DISPLAY_PLANE_ENABLE			(1 << 31)
625#define DISPLAY_PLANE_DISABLE			0
626#define DISPPLANE_GAMMA_ENABLE			(1 << 30)
627#define DISPPLANE_GAMMA_DISABLE			0
628#define DISPPLANE_PIXFORMAT_MASK		(0xf << 26)
629#define DISPPLANE_8BPP				(0x2 << 26)
630#define DISPPLANE_15_16BPP			(0x4 << 26)
631#define DISPPLANE_16BPP				(0x5 << 26)
632#define DISPPLANE_32BPP_NO_ALPHA		(0x6 << 26)
633#define DISPPLANE_32BPP				(0x7 << 26)
634#define DISPPLANE_STEREO_ENABLE			(1 << 25)
635#define DISPPLANE_STEREO_DISABLE		0
636#define DISPPLANE_SEL_PIPE_MASK			(1 << 24)
637#define DISPPLANE_SEL_PIPE_POS			24
638#define DISPPLANE_SEL_PIPE_A			0
639#define DISPPLANE_SEL_PIPE_B			(1 << 24)
640#define DISPPLANE_SRC_KEY_ENABLE		(1 << 22)
641#define DISPPLANE_SRC_KEY_DISABLE		0
642#define DISPPLANE_LINE_DOUBLE			(1 << 20)
643#define DISPPLANE_NO_LINE_DOUBLE		0
644#define DISPPLANE_STEREO_POLARITY_FIRST		0
645#define DISPPLANE_STEREO_POLARITY_SECOND	(1 << 18)
646/* plane B only */
647#define DISPPLANE_ALPHA_TRANS_ENABLE		(1 << 15)
648#define DISPPLANE_ALPHA_TRANS_DISABLE		0
649#define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
650#define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
651#define DISPPLANE_BOTTOM			(4)
652
653#define DSPABASE		0x70184
654#define DSPALINOFF		0x70184
655#define DSPASTRIDE		0x70188
656
657#define DSPBBASE		0x71184
658#define DSPBLINOFF		0X71184
659#define DSPBADDR		DSPBBASE
660#define DSPBSTRIDE		0x71188
661
662#define DSPCBASE		0x72184
663#define DSPCLINOFF		0x72184
664#define DSPCSTRIDE		0x72188
665
666#define DSPAKEYVAL		0x70194
667#define DSPAKEYMASK		0x70198
668
669#define DSPAPOS			0x7018C	/* reserved */
670#define DSPASIZE		0x70190
671#define DSPBPOS			0x7118C
672#define DSPBSIZE		0x71190
673#define DSPCPOS			0x7218C
674#define DSPCSIZE		0x72190
675
676#define DSPASURF		0x7019C
677#define DSPATILEOFF		0x701A4
678
679#define DSPBSURF		0x7119C
680#define DSPBTILEOFF		0x711A4
681
682#define DSPCSURF		0x7219C
683#define DSPCTILEOFF		0x721A4
684#define DSPCKEYMAXVAL		0x721A0
685#define DSPCKEYMINVAL		0x72194
686#define DSPCKEYMSK		0x72198
687
688#define VGACNTRL		0x71400
689#define VGA_DISP_DISABLE		(1 << 31)
690#define VGA_2X_MODE			(1 << 30)
691#define VGA_PIPE_B_SELECT		(1 << 29)
692
693/*
694 * Overlay registers
695 */
696#define OV_C_OFFSET		0x08000
697#define OV_OVADD		0x30000
698#define OV_DOVASTA		0x30008
699# define OV_PIPE_SELECT			((1 << 6)|(1 << 7))
700# define OV_PIPE_SELECT_POS		6
701# define OV_PIPE_A			0
702# define OV_PIPE_C			1
703#define OV_OGAMC5		0x30010
704#define OV_OGAMC4		0x30014
705#define OV_OGAMC3		0x30018
706#define OV_OGAMC2		0x3001C
707#define OV_OGAMC1		0x30020
708#define OV_OGAMC0		0x30024
709#define OVC_OVADD		0x38000
710#define OVC_DOVCSTA		0x38008
711#define OVC_OGAMC5		0x38010
712#define OVC_OGAMC4		0x38014
713#define OVC_OGAMC3		0x38018
714#define OVC_OGAMC2		0x3801C
715#define OVC_OGAMC1		0x38020
716#define OVC_OGAMC0		0x38024
717
718/*
719 * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
720 * of video memory available to the BIOS in SWF1.
721 */
722#define SWF0			0x71410
723#define SWF1			0x71414
724#define SWF2			0x71418
725#define SWF3			0x7141c
726#define SWF4			0x71420
727#define SWF5			0x71424
728#define SWF6			0x71428
729
730/*
731 * 855 scratch registers.
732 */
733#define SWF00			0x70410
734#define SWF01			0x70414
735#define SWF02			0x70418
736#define SWF03			0x7041c
737#define SWF04			0x70420
738#define SWF05			0x70424
739#define SWF06			0x70428
740
741#define SWF10			SWF0
742#define SWF11			SWF1
743#define SWF12			SWF2
744#define SWF13			SWF3
745#define SWF14			SWF4
746#define SWF15			SWF5
747#define SWF16			SWF6
748
749#define SWF30			0x72414
750#define SWF31			0x72418
751#define SWF32			0x7241c
752
753
754/*
755 * Palette registers
756 */
757#define PALETTE_A		0x0a000
758#define PALETTE_B		0x0a800
759#define PALETTE_C		0x0ac00
760
761/* Cursor A & B regs */
762#define CURACNTR		0x70080
763#define CURSOR_MODE_DISABLE		0x00
764#define CURSOR_MODE_64_32B_AX		0x07
765#define CURSOR_MODE_64_ARGB_AX		((1 << 5) | CURSOR_MODE_64_32B_AX)
766#define MCURSOR_GAMMA_ENABLE		(1 << 26)
767#define CURABASE		0x70084
768#define CURAPOS			0x70088
769#define CURSOR_POS_MASK			0x007FF
770#define CURSOR_POS_SIGN			0x8000
771#define CURSOR_X_SHIFT			0
772#define CURSOR_Y_SHIFT			16
773#define CURBCNTR		0x700c0
774#define CURBBASE		0x700c4
775#define CURBPOS			0x700c8
776#define CURCCNTR		0x700e0
777#define CURCBASE		0x700e4
778#define CURCPOS			0x700e8
779
780/*
781 * Interrupt Registers
782 */
783#define IER			0x020a0
784#define IIR			0x020a4
785#define IMR			0x020a8
786#define ISR			0x020ac
787
788/*
789 * MOORESTOWN delta registers
790 */
791#define MRST_DPLL_A		0x0f014
792#define MDFLD_DPLL_B		0x0f018
793#define MDFLD_INPUT_REF_SEL		(1 << 14)
794#define MDFLD_VCO_SEL			(1 << 16)
795#define DPLLA_MODE_LVDS			(2 << 26)	/* mrst */
796#define MDFLD_PLL_LATCHEN		(1 << 28)
797#define MDFLD_PWR_GATE_EN		(1 << 30)
798#define MDFLD_P1_MASK			(0x1FF << 17)
799#define MRST_FPA0		0x0f040
800#define MRST_FPA1		0x0f044
801#define MDFLD_DPLL_DIV0		0x0f048
802#define MDFLD_DPLL_DIV1		0x0f04c
803#define MRST_PERF_MODE		0x020f4
804
805/*
806 * MEDFIELD HDMI registers
807 */
808#define HDMIPHYMISCCTL		0x61134
809#define HDMI_PHY_POWER_DOWN		0x7f
810#define HDMIB_CONTROL		0x61140
811#define HDMIB_PORT_EN			(1 << 31)
812#define HDMIB_PIPE_B_SELECT		(1 << 30)
813#define HDMIB_NULL_PACKET		(1 << 9)
814#define HDMIB_HDCP_PORT			(1 << 5)
815
816/* #define LVDS			0x61180 */
817#define MRST_PANEL_8TO6_DITHER_ENABLE	(1 << 25)
818#define MRST_PANEL_24_DOT_1_FORMAT	(1 << 24)
819#define LVDS_A3_POWER_UP_0_OUTPUT	(1 << 6)
820
821#define MIPI			0x61190
822#define MIPI_C			0x62190
823#define MIPI_PORT_EN			(1 << 31)
824/* Turns on border drawing to allow centered display. */
825#define SEL_FLOPPED_HSTX		(1 << 23)
826#define PASS_FROM_SPHY_TO_AFE		(1 << 16)
827#define MIPI_BORDER_EN			(1 << 15)
828#define MIPIA_3LANE_MIPIC_1LANE		0x1
829#define MIPIA_2LANE_MIPIC_2LANE		0x2
830#define TE_TRIGGER_DSI_PROTOCOL		(1 << 2)
831#define TE_TRIGGER_GPIO_PIN		(1 << 3)
832#define MIPI_TE_COUNT		0x61194
833
834/* #define PP_CONTROL	0x61204 */
835#define POWER_DOWN_ON_RESET		(1 << 1)
836
837/* #define PFIT_CONTROL	0x61230 */
838#define PFIT_PIPE_SELECT		(3 << 29)
839#define PFIT_PIPE_SELECT_SHIFT		(29)
840
841/* #define BLC_PWM_CTL		0x61254 */
842#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT	(16)
843#define MRST_BACKLIGHT_MODULATION_FREQ_MASK	(0xffff << 16)
844
845/* #define PIPEACONF 0x70008 */
846#define PIPEACONF_PIPE_STATE		(1 << 30)
847/* #define DSPACNTR		0x70180 */
848
849#define MRST_DSPABASE		0x7019c
850#define MRST_DSPBBASE		0x7119c
851#define MDFLD_DSPCBASE		0x7219c
852
853/*
854 * Moorestown registers.
855 */
856
857/*
858 *	MIPI IP registers
859 */
860#define MIPIC_REG_OFFSET		0x800
861
862#define DEVICE_READY_REG		0xb000
863#define LP_OUTPUT_HOLD				(1 << 16)
864#define EXIT_ULPS_DEV_READY			0x3
865#define LP_OUTPUT_HOLD_RELEASE			0x810000
866# define ENTERING_ULPS				(2 << 1)
867# define EXITING_ULPS				(1 << 1)
868# define ULPS_MASK				(3 << 1)
869# define BUS_POSSESSION				(1 << 3)
870#define INTR_STAT_REG			0xb004
871#define RX_SOT_ERROR				(1 << 0)
872#define RX_SOT_SYNC_ERROR			(1 << 1)
873#define RX_ESCAPE_MODE_ENTRY_ERROR		(1 << 3)
874#define RX_LP_TX_SYNC_ERROR			(1 << 4)
875#define RX_HS_RECEIVE_TIMEOUT_ERROR		(1 << 5)
876#define RX_FALSE_CONTROL_ERROR			(1 << 6)
877#define RX_ECC_SINGLE_BIT_ERROR			(1 << 7)
878#define RX_ECC_MULTI_BIT_ERROR			(1 << 8)
879#define RX_CHECKSUM_ERROR			(1 << 9)
880#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 10)
881#define RX_DSI_VC_ID_INVALID			(1 << 11)
882#define TX_FALSE_CONTROL_ERROR			(1 << 12)
883#define TX_ECC_SINGLE_BIT_ERROR			(1 << 13)
884#define TX_ECC_MULTI_BIT_ERROR			(1 << 14)
885#define TX_CHECKSUM_ERROR			(1 << 15)
886#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 16)
887#define TX_DSI_VC_ID_INVALID			(1 << 17)
888#define HIGH_CONTENTION				(1 << 18)
889#define LOW_CONTENTION				(1 << 19)
890#define DPI_FIFO_UNDER_RUN			(1 << 20)
891#define HS_TX_TIMEOUT				(1 << 21)
892#define LP_RX_TIMEOUT				(1 << 22)
893#define TURN_AROUND_ACK_TIMEOUT			(1 << 23)
894#define ACK_WITH_NO_ERROR			(1 << 24)
895#define HS_GENERIC_WR_FIFO_FULL			(1 << 27)
896#define LP_GENERIC_WR_FIFO_FULL			(1 << 28)
897#define SPL_PKT_SENT				(1 << 30)
898#define INTR_EN_REG			0xb008
899#define DSI_FUNC_PRG_REG		0xb00c
900#define DPI_CHANNEL_NUMBER_POS			0x03
901#define DBI_CHANNEL_NUMBER_POS			0x05
902#define FMT_DPI_POS				0x07
903#define FMT_DBI_POS				0x0A
904#define DBI_DATA_WIDTH_POS			0x0D
905
906/* DPI PIXEL FORMATS */
907#define RGB_565_FMT				0x01	/* RGB 565 FORMAT */
908#define RGB_666_FMT				0x02	/* RGB 666 FORMAT */
909#define LRGB_666_FMT				0x03	/* RGB LOOSELY PACKED
910							 * 666 FORMAT
911							 */
912#define RGB_888_FMT				0x04	/* RGB 888 FORMAT */
913#define VIRTUAL_CHANNEL_NUMBER_0		0x00	/* Virtual channel 0 */
914#define VIRTUAL_CHANNEL_NUMBER_1		0x01	/* Virtual channel 1 */
915#define VIRTUAL_CHANNEL_NUMBER_2		0x02	/* Virtual channel 2 */
916#define VIRTUAL_CHANNEL_NUMBER_3		0x03	/* Virtual channel 3 */
917
918#define DBI_NOT_SUPPORTED			0x00	/* command mode
919							 * is not supported
920							 */
921#define DBI_DATA_WIDTH_16BIT			0x01	/* 16 bit data */
922#define DBI_DATA_WIDTH_9BIT			0x02	/* 9 bit data */
923#define DBI_DATA_WIDTH_8BIT			0x03	/* 8 bit data */
924#define DBI_DATA_WIDTH_OPT1			0x04	/* option 1 */
925#define DBI_DATA_WIDTH_OPT2			0x05	/* option 2 */
926
927#define HS_TX_TIMEOUT_REG		0xb010
928#define LP_RX_TIMEOUT_REG		0xb014
929#define TURN_AROUND_TIMEOUT_REG		0xb018
930#define DEVICE_RESET_REG		0xb01C
931#define DPI_RESOLUTION_REG		0xb020
932#define RES_V_POS				0x10
933#define DBI_RESOLUTION_REG		0xb024 /* Reserved for MDFLD */
934#define HORIZ_SYNC_PAD_COUNT_REG	0xb028
935#define HORIZ_BACK_PORCH_COUNT_REG	0xb02C
936#define HORIZ_FRONT_PORCH_COUNT_REG	0xb030
937#define HORIZ_ACTIVE_AREA_COUNT_REG	0xb034
938#define VERT_SYNC_PAD_COUNT_REG		0xb038
939#define VERT_BACK_PORCH_COUNT_REG	0xb03c
940#define VERT_FRONT_PORCH_COUNT_REG	0xb040
941#define HIGH_LOW_SWITCH_COUNT_REG	0xb044
942#define DPI_CONTROL_REG			0xb048
943#define DPI_SHUT_DOWN				(1 << 0)
944#define DPI_TURN_ON				(1 << 1)
945#define DPI_COLOR_MODE_ON			(1 << 2)
946#define DPI_COLOR_MODE_OFF			(1 << 3)
947#define DPI_BACK_LIGHT_ON			(1 << 4)
948#define DPI_BACK_LIGHT_OFF			(1 << 5)
949#define DPI_LP					(1 << 6)
950#define DPI_DATA_REG			0xb04c
951#define DPI_BACK_LIGHT_ON_DATA			0x07
952#define DPI_BACK_LIGHT_OFF_DATA			0x17
953#define INIT_COUNT_REG			0xb050
954#define MAX_RET_PAK_REG			0xb054
955#define VIDEO_FMT_REG			0xb058
956#define COMPLETE_LAST_PCKT			(1 << 2)
957#define EOT_DISABLE_REG			0xb05c
958#define ENABLE_CLOCK_STOPPING			(1 << 1)
959#define LP_BYTECLK_REG			0xb060
960#define LP_GEN_DATA_REG			0xb064
961#define HS_GEN_DATA_REG			0xb068
962#define LP_GEN_CTRL_REG			0xb06C
963#define HS_GEN_CTRL_REG			0xb070
964#define DCS_CHANNEL_NUMBER_POS		0x6
965#define MCS_COMMANDS_POS		0x8
966#define WORD_COUNTS_POS			0x8
967#define MCS_PARAMETER_POS			0x10
968#define GEN_FIFO_STAT_REG		0xb074
969#define HS_DATA_FIFO_FULL			(1 << 0)
970#define HS_DATA_FIFO_HALF_EMPTY			(1 << 1)
971#define HS_DATA_FIFO_EMPTY			(1 << 2)
972#define LP_DATA_FIFO_FULL			(1 << 8)
973#define LP_DATA_FIFO_HALF_EMPTY			(1 << 9)
974#define LP_DATA_FIFO_EMPTY			(1 << 10)
975#define HS_CTRL_FIFO_FULL			(1 << 16)
976#define HS_CTRL_FIFO_HALF_EMPTY			(1 << 17)
977#define HS_CTRL_FIFO_EMPTY			(1 << 18)
978#define LP_CTRL_FIFO_FULL			(1 << 24)
979#define LP_CTRL_FIFO_HALF_EMPTY			(1 << 25)
980#define LP_CTRL_FIFO_EMPTY			(1 << 26)
981#define DBI_FIFO_EMPTY				(1 << 27)
982#define DPI_FIFO_EMPTY				(1 << 28)
983#define HS_LS_DBI_ENABLE_REG		0xb078
984#define TXCLKESC_REG			0xb07c
985#define DPHY_PARAM_REG			0xb080
986#define DBI_BW_CTRL_REG			0xb084
987#define CLK_LANE_SWT_REG		0xb088
988
989/*
990 * MIPI Adapter registers
991 */
992#define MIPI_CONTROL_REG		0xb104
993#define MIPI_2X_CLOCK_BITS			((1 << 0) | (1 << 1))
994#define MIPI_DATA_ADDRESS_REG		0xb108
995#define MIPI_DATA_LENGTH_REG		0xb10C
996#define MIPI_COMMAND_ADDRESS_REG	0xb110
997#define MIPI_COMMAND_LENGTH_REG		0xb114
998#define MIPI_READ_DATA_RETURN_REG0	0xb118
999#define MIPI_READ_DATA_RETURN_REG1	0xb11C
1000#define MIPI_READ_DATA_RETURN_REG2	0xb120
1001#define MIPI_READ_DATA_RETURN_REG3	0xb124
1002#define MIPI_READ_DATA_RETURN_REG4	0xb128
1003#define MIPI_READ_DATA_RETURN_REG5	0xb12C
1004#define MIPI_READ_DATA_RETURN_REG6	0xb130
1005#define MIPI_READ_DATA_RETURN_REG7	0xb134
1006#define MIPI_READ_DATA_VALID_REG	0xb138
1007
1008/* DBI COMMANDS */
1009#define soft_reset			0x01
1010/*
1011 *	The display module performs a software reset.
1012 *	Registers are written with their SW Reset default values.
1013 */
1014#define get_power_mode			0x0a
1015/*
1016 *	The display module returns the current power mode
1017 */
1018#define get_address_mode		0x0b
1019/*
1020 *	The display module returns the current status.
1021 */
1022#define get_pixel_format		0x0c
1023/*
1024 *	This command gets the pixel format for the RGB image data
1025 *	used by the interface.
1026 */
1027#define get_display_mode		0x0d
1028/*
1029 *	The display module returns the Display Image Mode status.
1030 */
1031#define get_signal_mode			0x0e
1032/*
1033 *	The display module returns the Display Signal Mode.
1034 */
1035#define get_diagnostic_result		0x0f
1036/*
1037 *	The display module returns the self-diagnostic results following
1038 *	a Sleep Out command.
1039 */
1040#define enter_sleep_mode		0x10
1041/*
1042 *	This command causes the display module to enter the Sleep mode.
1043 *	In this mode, all unnecessary blocks inside the display module are
1044 *	disabled except interface communication. This is the lowest power
1045 *	mode the display module supports.
1046 */
1047#define exit_sleep_mode			0x11
1048/*
1049 *	This command causes the display module to exit Sleep mode.
1050 *	All blocks inside the display module are enabled.
1051 */
1052#define enter_partial_mode		0x12
1053/*
1054 *	This command causes the display module to enter the Partial Display
1055 *	Mode. The Partial Display Mode window is described by the
1056 *	set_partial_area command.
1057 */
1058#define enter_normal_mode		0x13
1059/*
1060 *	This command causes the display module to enter the Normal mode.
1061 *	Normal Mode is defined as Partial Display mode and Scroll mode are off
1062 */
1063#define exit_invert_mode		0x20
1064/*
1065 *	This command causes the display module to stop inverting the image
1066 *	data on the display device. The frame memory contents remain unchanged.
1067 *	No status bits are changed.
1068 */
1069#define enter_invert_mode		0x21
1070/*
1071 *	This command causes the display module to invert the image data only on
1072 *	the display device. The frame memory contents remain unchanged.
1073 *	No status bits are changed.
1074 */
1075#define set_gamma_curve			0x26
1076/*
1077 *	This command selects the desired gamma curve for the display device.
1078 *	Four fixed gamma curves are defined in section DCS spec.
1079 */
1080#define set_display_off			0x28
1081/* ************************************************************************* *\
1082This command causes the display module to stop displaying the image data
1083on the display device. The frame memory contents remain unchanged.
1084No status bits are changed.
1085\* ************************************************************************* */
1086#define set_display_on			0x29
1087/* ************************************************************************* *\
1088This command causes the display module to start displaying the image data
1089on the display device. The frame memory contents remain unchanged.
1090No status bits are changed.
1091\* ************************************************************************* */
1092#define set_column_address		0x2a
1093/*
1094 *	This command defines the column extent of the frame memory accessed by
1095 *	the hostprocessor with the read_memory_continue and
1096 *	write_memory_continue commands.
1097 *	No status bits are changed.
1098 */
1099#define set_page_addr			0x2b
1100/*
1101 *	This command defines the page extent of the frame memory accessed by
1102 *	the host processor with the write_memory_continue and
1103 *	read_memory_continue command.
1104 *	No status bits are changed.
1105 */
1106#define write_mem_start			0x2c
1107/*
1108 *	This command transfers image data from the host processor to the
1109 *	display modules frame memory starting at the pixel location specified
1110 *	by preceding set_column_address and set_page_address commands.
1111 */
1112#define set_partial_area		0x30
1113/*
1114 *	This command defines the Partial Display mode s display area.
1115 *	There are two parameters associated with this command, the first
1116 *	defines the Start Row (SR) and the second the End Row (ER). SR and ER
1117 *	refer to the Frame Memory Line Pointer.
1118 */
1119#define set_scroll_area			0x33
1120/*
1121 *	This command defines the display modules Vertical Scrolling Area.
1122 */
1123#define set_tear_off			0x34
1124/*
1125 *	This command turns off the display modules Tearing Effect output
1126 *	signal on the TE signal line.
1127 */
1128#define set_tear_on			0x35
1129/*
1130 *	This command turns on the display modules Tearing Effect output signal
1131 *	on the TE signal line.
1132 */
1133#define set_address_mode		0x36
1134/*
1135 *	This command sets the data order for transfers from the host processor
1136 *	to display modules frame memory,bits B[7:5] and B3, and from the
1137 *	display modules frame memory to the display device, bits B[2:0] and B4.
1138 */
1139#define set_scroll_start		0x37
1140/*
1141 *	This command sets the start of the vertical scrolling area in the frame
1142 *	memory. The vertical scrolling area is fully defined when this command
1143 *	is used with the set_scroll_area command The set_scroll_start command
1144 *	has one parameter, the Vertical Scroll Pointer. The VSP defines the
1145 *	line in the frame memory that is written to the display device as the
1146 *	first line of the vertical scroll area.
1147 */
1148#define exit_idle_mode			0x38
1149/*
1150 *	This command causes the display module to exit Idle mode.
1151 */
1152#define enter_idle_mode			0x39
1153/*
1154 *	This command causes the display module to enter Idle Mode.
1155 *	In Idle Mode, color expression is reduced. Colors are shown on the
1156 *	display device using the MSB of each of the R, G and B color
1157 *	components in the frame memory
1158 */
1159#define set_pixel_format		0x3a
1160/*
1161 *	This command sets the pixel format for the RGB image data used by the
1162 *	interface.
1163 *	Bits D[6:4]  DPI Pixel Format Definition
1164 *	Bits D[2:0]  DBI Pixel Format Definition
1165 *	Bits D7 and D3 are not used.
1166 */
1167#define DCS_PIXEL_FORMAT_3bpp		0x1
1168#define DCS_PIXEL_FORMAT_8bpp		0x2
1169#define DCS_PIXEL_FORMAT_12bpp		0x3
1170#define DCS_PIXEL_FORMAT_16bpp		0x5
1171#define DCS_PIXEL_FORMAT_18bpp		0x6
1172#define DCS_PIXEL_FORMAT_24bpp		0x7
1173
1174#define write_mem_cont			0x3c
1175
1176/*
1177 *	This command transfers image data from the host processor to the
1178 *	display module's frame memory continuing from the pixel location
1179 *	following the previous write_memory_continue or write_memory_start
1180 *	command.
1181 */
1182#define set_tear_scanline		0x44
1183/*
1184 *	This command turns on the display modules Tearing Effect output signal
1185 *	on the TE signal line when the display module reaches line N.
1186 */
1187#define get_scanline			0x45
1188/*
1189 *	The display module returns the current scanline, N, used to update the
1190 *	 display device. The total number of scanlines on a display device is
1191 *	defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
1192 *	the first line of V Sync and is denoted as Line 0.
1193 *	When in Sleep Mode, the value returned by get_scanline is undefined.
1194 */
1195
1196/* MCS or Generic COMMANDS */
1197/* MCS/generic data type */
1198#define GEN_SHORT_WRITE_0	0x03  /* generic short write, no parameters */
1199#define GEN_SHORT_WRITE_1	0x13  /* generic short write, 1 parameters */
1200#define GEN_SHORT_WRITE_2	0x23  /* generic short write, 2 parameters */
1201#define GEN_READ_0		0x04  /* generic read, no parameters */
1202#define GEN_READ_1		0x14  /* generic read, 1 parameters */
1203#define GEN_READ_2		0x24  /* generic read, 2 parameters */
1204#define GEN_LONG_WRITE		0x29  /* generic long write */
1205#define MCS_SHORT_WRITE_0	0x05  /* MCS short write, no parameters */
1206#define MCS_SHORT_WRITE_1	0x15  /* MCS short write, 1 parameters */
1207#define MCS_READ		0x06  /* MCS read, no parameters */
1208#define MCS_LONG_WRITE		0x39  /* MCS long write */
1209/* MCS/generic commands */
1210/* TPO MCS */
1211#define write_display_profile		0x50
1212#define write_display_brightness	0x51
1213#define write_ctrl_display		0x53
1214#define write_ctrl_cabc			0x55
1215  #define UI_IMAGE		0x01
1216  #define STILL_IMAGE		0x02
1217  #define MOVING_IMAGE		0x03
1218#define write_hysteresis		0x57
1219#define write_gamma_setting		0x58
1220#define write_cabc_min_bright		0x5e
1221#define write_kbbc_profile		0x60
1222/* TMD MCS */
1223#define tmd_write_display_brightness 0x8c
1224
1225/*
1226 *	This command is used to control ambient light, panel backlight
1227 *	brightness and gamma settings.
1228 */
1229#define BRIGHT_CNTL_BLOCK_ON	(1 << 5)
1230#define AMBIENT_LIGHT_SENSE_ON	(1 << 4)
1231#define DISPLAY_DIMMING_ON	(1 << 3)
1232#define BACKLIGHT_ON		(1 << 2)
1233#define DISPLAY_BRIGHTNESS_AUTO	(1 << 1)
1234#define GAMMA_AUTO		(1 << 0)
1235
1236/* DCS Interface Pixel Formats */
1237#define DCS_PIXEL_FORMAT_3BPP	0x1
1238#define DCS_PIXEL_FORMAT_8BPP	0x2
1239#define DCS_PIXEL_FORMAT_12BPP	0x3
1240#define DCS_PIXEL_FORMAT_16BPP	0x5
1241#define DCS_PIXEL_FORMAT_18BPP	0x6
1242#define DCS_PIXEL_FORMAT_24BPP	0x7
1243/* ONE PARAMETER READ DATA */
1244#define addr_mode_data		0xfc
1245#define diag_res_data		0x00
1246#define disp_mode_data		0x23
1247#define pxl_fmt_data		0x77
1248#define pwr_mode_data		0x74
1249#define sig_mode_data		0x00
1250/* TWO PARAMETERS READ DATA */
1251#define scanline_data1		0xff
1252#define scanline_data2		0xff
1253#define NON_BURST_MODE_SYNC_PULSE	0x01	/* Non Burst Mode
1254						 * with Sync Pulse
1255						 */
1256#define NON_BURST_MODE_SYNC_EVENTS	0x02	/* Non Burst Mode
1257						 * with Sync events
1258						 */
1259#define BURST_MODE			0x03	/* Burst Mode */
1260#define DBI_COMMAND_BUFFER_SIZE		0x240   /* 0x32 */    /* 0x120 */
1261						/* Allocate at least
1262						 * 0x100 Byte with 32
1263						 * byte alignment
1264						 */
1265#define DBI_DATA_BUFFER_SIZE		0x120	/* Allocate at least
1266						 * 0x100 Byte with 32
1267						 * byte alignment
1268						 */
1269#define DBI_CB_TIME_OUT			0xFFFF
1270
1271#define GEN_FB_TIME_OUT			2000
1272
1273#define SKU_83				0x01
1274#define SKU_100				0x02
1275#define SKU_100L			0x04
1276#define SKU_BYPASS			0x08
1277
1278/* Some handy macros for playing with bitfields. */
1279#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
1280#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
1281#define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
1282
1283#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
1284
1285/* PCI config space */
1286
1287#define SB_PCKT         0x02100 /* cedarview */
1288# define SB_OPCODE_MASK                         PSB_MASK(31, 16)
1289# define SB_OPCODE_SHIFT                        16
1290# define SB_OPCODE_READ                         0
1291# define SB_OPCODE_WRITE                        1
1292# define SB_DEST_MASK                           PSB_MASK(15, 8)
1293# define SB_DEST_SHIFT                          8
1294# define SB_DEST_DPLL                           0x88
1295# define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
1296# define SB_BYTE_ENABLE_SHIFT                   4
1297# define SB_BUSY                                (1 << 0)
1298
1299#define DSPCLK_GATE_D		0x6200
1300# define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* Fixed value on CDV */
1301# define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
1302# define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6)
1303# define DPUNIT_PIPEB_GATE_DISABLE		(1 << 30)
1304# define DPUNIT_PIPEA_GATE_DISABLE		(1 << 25)
1305# define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24)
1306# define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13)
1307
1308#define RAMCLK_GATE_D		0x6210
1309
1310/* 32-bit value read/written from the DPIO reg. */
1311#define SB_DATA		0x02104 /* cedarview */
1312/* 32-bit address of the DPIO reg to be read/written. */
1313#define SB_ADDR		0x02108 /* cedarview */
1314#define DPIO_CFG	0x02110 /* cedarview */
1315# define DPIO_MODE_SELECT_1			(1 << 3)
1316# define DPIO_MODE_SELECT_0			(1 << 2)
1317# define DPIO_SFR_BYPASS			(1 << 1)
1318/* reset is active low */
1319# define DPIO_CMN_RESET_N			(1 << 0)
1320
1321/* Cedarview sideband registers */
1322#define _SB_M_A			0x8008
1323#define _SB_M_B			0x8028
1324#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
1325# define SB_M_DIVIDER_MASK			(0xFF << 24)
1326# define SB_M_DIVIDER_SHIFT			24
1327
1328#define _SB_N_VCO_A		0x8014
1329#define _SB_N_VCO_B		0x8034
1330#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
1331#define SB_N_VCO_SEL_MASK			PSB_MASK(31, 30)
1332#define SB_N_VCO_SEL_SHIFT			30
1333#define SB_N_DIVIDER_MASK			PSB_MASK(29, 26)
1334#define SB_N_DIVIDER_SHIFT			26
1335#define SB_N_CB_TUNE_MASK			PSB_MASK(25, 24)
1336#define SB_N_CB_TUNE_SHIFT			24
1337
1338/* the bit 14:13 is used to select between the different reference clock for Pipe A/B */
1339#define SB_REF_DPLLA		0x8010
1340#define SB_REF_DPLLB		0x8030
1341#define	REF_CLK_MASK		(0x3 << 13)
1342#define REF_CLK_CORE		(0 << 13)
1343#define REF_CLK_DPLL		(1 << 13)
1344#define REF_CLK_DPLLA		(2 << 13)
1345/* For the DPLL B, it will use the reference clk from DPLL A when using (2 << 13) */
1346
1347#define _SB_REF_A		0x8018
1348#define _SB_REF_B		0x8038
1349#define SB_REF_SFR(pipe)	_PIPE(pipe, _SB_REF_A, _SB_REF_B)
1350
1351#define _SB_P_A			0x801c
1352#define _SB_P_B			0x803c
1353#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
1354#define SB_P2_DIVIDER_MASK			PSB_MASK(31, 30)
1355#define SB_P2_DIVIDER_SHIFT			30
1356#define SB_P2_10				0 /* HDMI, DP, DAC */
1357#define SB_P2_5				1 /* DAC */
1358#define SB_P2_14				2 /* LVDS single */
1359#define SB_P2_7				3 /* LVDS double */
1360#define SB_P1_DIVIDER_MASK			PSB_MASK(15, 12)
1361#define SB_P1_DIVIDER_SHIFT			12
1362
1363#define PSB_LANE0		0x120
1364#define PSB_LANE1		0x220
1365#define PSB_LANE2		0x2320
1366#define PSB_LANE3		0x2420
1367
1368#define LANE_PLL_MASK		(0x7 << 20)
1369#define LANE_PLL_ENABLE		(0x3 << 20)
1370#define LANE_PLL_PIPE(p)	(((p) == 0) ? (1 << 21) : (0 << 21))
1371
1372#define DP_B				0x64100
1373#define DP_C				0x64200
1374
1375#define   DP_PORT_EN			(1 << 31)
1376#define   DP_PIPEB_SELECT		(1 << 30)
1377#define   DP_PIPE_MASK			(1 << 30)
1378
1379/* Link training mode - select a suitable mode for each stage */
1380#define   DP_LINK_TRAIN_PAT_1		(0 << 28)
1381#define   DP_LINK_TRAIN_PAT_2		(1 << 28)
1382#define   DP_LINK_TRAIN_PAT_IDLE	(2 << 28)
1383#define   DP_LINK_TRAIN_OFF		(3 << 28)
1384#define   DP_LINK_TRAIN_MASK		(3 << 28)
1385#define   DP_LINK_TRAIN_SHIFT		28
1386
1387/* Signal voltages. These are mostly controlled by the other end */
1388#define   DP_VOLTAGE_0_4		(0 << 25)
1389#define   DP_VOLTAGE_0_6		(1 << 25)
1390#define   DP_VOLTAGE_0_8		(2 << 25)
1391#define   DP_VOLTAGE_1_2		(3 << 25)
1392#define   DP_VOLTAGE_MASK		(7 << 25)
1393#define   DP_VOLTAGE_SHIFT		25
1394
1395/* Signal pre-emphasis levels, like voltages, the other end tells us what
1396 * they want
1397 */
1398#define   DP_PRE_EMPHASIS_0		(0 << 22)
1399#define   DP_PRE_EMPHASIS_3_5		(1 << 22)
1400#define   DP_PRE_EMPHASIS_6		(2 << 22)
1401#define   DP_PRE_EMPHASIS_9_5		(3 << 22)
1402#define   DP_PRE_EMPHASIS_MASK		(7 << 22)
1403#define   DP_PRE_EMPHASIS_SHIFT		22
1404
1405/* How many wires to use. I guess 3 was too hard */
1406#define   DP_PORT_WIDTH_1		(0 << 19)
1407#define   DP_PORT_WIDTH_2		(1 << 19)
1408#define   DP_PORT_WIDTH_4		(3 << 19)
1409#define   DP_PORT_WIDTH_MASK		(7 << 19)
1410
1411/* Mystic DPCD version 1.1 special mode */
1412#define   DP_ENHANCED_FRAMING		(1 << 18)
1413
1414/** locked once port is enabled */
1415#define   DP_PORT_REVERSAL		(1 << 15)
1416
1417/** sends the clock on lane 15 of the PEG for debug */
1418#define   DP_CLOCK_OUTPUT_ENABLE	(1 << 13)
1419
1420#define   DP_SCRAMBLING_DISABLE		(1 << 12)
1421#define   DP_SCRAMBLING_DISABLE_IRONLAKE	(1 << 7)
1422
1423/** limit RGB values to avoid confusing TVs */
1424#define   DP_COLOR_RANGE_16_235		(1 << 8)
1425
1426/** Turn on the audio link */
1427#define   DP_AUDIO_OUTPUT_ENABLE	(1 << 6)
1428
1429/** vs and hs sync polarity */
1430#define   DP_SYNC_VS_HIGH		(1 << 4)
1431#define   DP_SYNC_HS_HIGH		(1 << 3)
1432
1433/** A fantasy */
1434#define   DP_DETECTED			(1 << 2)
1435
1436/** The aux channel provides a way to talk to the
1437 * signal sink for DDC etc. Max packet size supported
1438 * is 20 bytes in each direction, hence the 5 fixed
1439 * data registers
1440 */
1441#define DPB_AUX_CH_CTL			0x64110
1442#define DPB_AUX_CH_DATA1		0x64114
1443#define DPB_AUX_CH_DATA2		0x64118
1444#define DPB_AUX_CH_DATA3		0x6411c
1445#define DPB_AUX_CH_DATA4		0x64120
1446#define DPB_AUX_CH_DATA5		0x64124
1447
1448#define DPC_AUX_CH_CTL			0x64210
1449#define DPC_AUX_CH_DATA1		0x64214
1450#define DPC_AUX_CH_DATA2		0x64218
1451#define DPC_AUX_CH_DATA3		0x6421c
1452#define DPC_AUX_CH_DATA4		0x64220
1453#define DPC_AUX_CH_DATA5		0x64224
1454
1455#define   DP_AUX_CH_CTL_SEND_BUSY	    (1 << 31)
1456#define   DP_AUX_CH_CTL_DONE		    (1 << 30)
1457#define   DP_AUX_CH_CTL_INTERRUPT	    (1 << 29)
1458#define   DP_AUX_CH_CTL_TIME_OUT_ERROR	    (1 << 28)
1459#define   DP_AUX_CH_CTL_TIME_OUT_400us	    (0 << 26)
1460#define   DP_AUX_CH_CTL_TIME_OUT_600us	    (1 << 26)
1461#define   DP_AUX_CH_CTL_TIME_OUT_800us	    (2 << 26)
1462#define   DP_AUX_CH_CTL_TIME_OUT_1600us	    (3 << 26)
1463#define   DP_AUX_CH_CTL_TIME_OUT_MASK	    (3 << 26)
1464#define   DP_AUX_CH_CTL_RECEIVE_ERROR	    (1 << 25)
1465#define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
1466#define   DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT   20
1467#define   DP_AUX_CH_CTL_PRECHARGE_2US_MASK   (0xf << 16)
1468#define   DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT  16
1469#define   DP_AUX_CH_CTL_AUX_AKSV_SELECT	    (1 << 15)
1470#define   DP_AUX_CH_CTL_MANCHESTER_TEST	    (1 << 14)
1471#define   DP_AUX_CH_CTL_SYNC_TEST	    (1 << 13)
1472#define   DP_AUX_CH_CTL_DEGLITCH_TEST	    (1 << 12)
1473#define   DP_AUX_CH_CTL_PRECHARGE_TEST	    (1 << 11)
1474#define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
1475#define   DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT   0
1476
1477/*
1478 * Computing GMCH M and N values for the Display Port link
1479 *
1480 * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
1481 *
1482 * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
1483 *
1484 * The GMCH value is used internally
1485 *
1486 * bytes_per_pixel is the number of bytes coming out of the plane,
1487 * which is after the LUTs, so we want the bytes for our color format.
1488 * For our current usage, this is always 3, one byte for R, G and B.
1489 */
1490
1491#define _PIPEA_GMCH_DATA_M			0x70050
1492#define _PIPEB_GMCH_DATA_M			0x71050
1493
1494/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
1495#define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
1496#define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT	25
1497
1498#define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
1499
1500#define _PIPEA_GMCH_DATA_N			0x70054
1501#define _PIPEB_GMCH_DATA_N			0x71054
1502#define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
1503
1504/*
1505 * Computing Link M and N values for the Display Port link
1506 *
1507 * Link M / N = pixel_clock / ls_clk
1508 *
1509 * (the DP spec calls pixel_clock the 'strm_clk')
1510 *
1511 * The Link value is transmitted in the Main Stream
1512 * Attributes and VB-ID.
1513 */
1514
1515#define _PIPEA_DP_LINK_M				0x70060
1516#define _PIPEB_DP_LINK_M				0x71060
1517#define   PIPEA_DP_LINK_M_MASK			(0xffffff)
1518
1519#define _PIPEA_DP_LINK_N				0x70064
1520#define _PIPEB_DP_LINK_N				0x71064
1521#define   PIPEA_DP_LINK_N_MASK			(0xffffff)
1522
1523#define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
1524#define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
1525#define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
1526#define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
1527
1528#define   PIPE_BPC_MASK				(7 << 5)
1529#define   PIPE_8BPC				(0 << 5)
1530#define   PIPE_10BPC				(1 << 5)
1531#define   PIPE_6BPC				(2 << 5)
1532
1533#endif
1534