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
553#define PIPEAFRAMEHIGH 0x70040
554#define PIPEAFRAMEPIXEL 0x70044
555#define PIPEBFRAMEHIGH 0x71040
556#define PIPEBFRAMEPIXEL 0x71044
557#define PIPECFRAMEHIGH 0x72040
558#define PIPECFRAMEPIXEL 0x72044
559#define PIPE_FRAME_HIGH_MASK 0x0000ffff
560#define PIPE_FRAME_HIGH_SHIFT 0
561#define PIPE_FRAME_LOW_MASK 0xff000000
562#define PIPE_FRAME_LOW_SHIFT 24
563#define PIPE_PIXEL_MASK 0x00ffffff
564#define PIPE_PIXEL_SHIFT 0
565
566#define FW_BLC_SELF 0x20e0
567#define FW_BLC_SELF_EN (1<<15)
568
569#define DSPARB 0x70030
570#define DSPFW1 0x70034
571#define DSP_FIFO_SR_WM_MASK 0xFF800000
572#define DSP_FIFO_SR_WM_SHIFT 23
573#define CURSOR_B_FIFO_WM_MASK 0x003F0000
574#define CURSOR_B_FIFO_WM_SHIFT 16
575#define DSPFW2 0x70038
576#define CURSOR_A_FIFO_WM_MASK 0x3F00
577#define CURSOR_A_FIFO_WM_SHIFT 8
578#define DSP_PLANE_C_FIFO_WM_MASK 0x7F
579#define DSP_PLANE_C_FIFO_WM_SHIFT 0
580#define DSPFW3 0x7003c
581#define DSPFW4 0x70050
582#define DSPFW5 0x70054
583#define DSP_PLANE_B_FIFO_WM1_SHIFT 24
584#define DSP_PLANE_A_FIFO_WM1_SHIFT 16
585#define CURSOR_B_FIFO_WM1_SHIFT 8
586#define CURSOR_FIFO_SR_WM1_SHIFT 0
587#define DSPFW6 0x70058
588#define DSPCHICKENBIT 0x70400
589#define DSPACNTR 0x70180
590#define DSPBCNTR 0x71180
591#define DSPCCNTR 0x72180
592#define DISPLAY_PLANE_ENABLE (1 << 31)
593#define DISPLAY_PLANE_DISABLE 0
594#define DISPPLANE_GAMMA_ENABLE (1 << 30)
595#define DISPPLANE_GAMMA_DISABLE 0
596#define DISPPLANE_PIXFORMAT_MASK (0xf << 26)
597#define DISPPLANE_8BPP (0x2 << 26)
598#define DISPPLANE_15_16BPP (0x4 << 26)
599#define DISPPLANE_16BPP (0x5 << 26)
600#define DISPPLANE_32BPP_NO_ALPHA (0x6 << 26)
601#define DISPPLANE_32BPP (0x7 << 26)
602#define DISPPLANE_STEREO_ENABLE (1 << 25)
603#define DISPPLANE_STEREO_DISABLE 0
604#define DISPPLANE_SEL_PIPE_MASK (1 << 24)
605#define DISPPLANE_SEL_PIPE_POS 24
606#define DISPPLANE_SEL_PIPE_A 0
607#define DISPPLANE_SEL_PIPE_B (1 << 24)
608#define DISPPLANE_SRC_KEY_ENABLE (1 << 22)
609#define DISPPLANE_SRC_KEY_DISABLE 0
610#define DISPPLANE_LINE_DOUBLE (1 << 20)
611#define DISPPLANE_NO_LINE_DOUBLE 0
612#define DISPPLANE_STEREO_POLARITY_FIRST 0
613#define DISPPLANE_STEREO_POLARITY_SECOND (1 << 18)
614/* plane B only */
615#define DISPPLANE_ALPHA_TRANS_ENABLE (1 << 15)
616#define DISPPLANE_ALPHA_TRANS_DISABLE 0
617#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0
618#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1)
619#define DISPPLANE_BOTTOM (4)
620
621#define DSPABASE 0x70184
622#define DSPALINOFF 0x70184
623#define DSPASTRIDE 0x70188
624
625#define DSPBBASE 0x71184
626#define DSPBLINOFF 0X71184
627#define DSPBADDR DSPBBASE
628#define DSPBSTRIDE 0x71188
629
630#define DSPCBASE 0x72184
631#define DSPCLINOFF 0x72184
632#define DSPCSTRIDE 0x72188
633
634#define DSPAKEYVAL 0x70194
635#define DSPAKEYMASK 0x70198
636
637#define DSPAPOS 0x7018C /* reserved */
638#define DSPASIZE 0x70190
639#define DSPBPOS 0x7118C
640#define DSPBSIZE 0x71190
641#define DSPCPOS 0x7218C
642#define DSPCSIZE 0x72190
643
644#define DSPASURF 0x7019C
645#define DSPATILEOFF 0x701A4
646
647#define DSPBSURF 0x7119C
648#define DSPBTILEOFF 0x711A4
649
650#define DSPCSURF 0x7219C
651#define DSPCTILEOFF 0x721A4
652#define DSPCKEYMAXVAL 0x721A0
653#define DSPCKEYMINVAL 0x72194
654#define DSPCKEYMSK 0x72198
655
656#define VGACNTRL 0x71400
657#define VGA_DISP_DISABLE (1 << 31)
658#define VGA_2X_MODE (1 << 30)
659#define VGA_PIPE_B_SELECT (1 << 29)
660
661/*
662 * Overlay registers
663 */
664#define OV_C_OFFSET 0x08000
665#define OV_OVADD 0x30000
666#define OV_DOVASTA 0x30008
667# define OV_PIPE_SELECT ((1 << 6)|(1 << 7))
668# define OV_PIPE_SELECT_POS 6
669# define OV_PIPE_A 0
670# define OV_PIPE_C 1
671#define OV_OGAMC5 0x30010
672#define OV_OGAMC4 0x30014
673#define OV_OGAMC3 0x30018
674#define OV_OGAMC2 0x3001C
675#define OV_OGAMC1 0x30020
676#define OV_OGAMC0 0x30024
677#define OVC_OVADD 0x38000
678#define OVC_DOVCSTA 0x38008
679#define OVC_OGAMC5 0x38010
680#define OVC_OGAMC4 0x38014
681#define OVC_OGAMC3 0x38018
682#define OVC_OGAMC2 0x3801C
683#define OVC_OGAMC1 0x38020
684#define OVC_OGAMC0 0x38024
685
686/*
687 * Some BIOS scratch area registers. The 845 (and 830?) store the amount
688 * of video memory available to the BIOS in SWF1.
689 */
690#define SWF0 0x71410
691#define SWF1 0x71414
692#define SWF2 0x71418
693#define SWF3 0x7141c
694#define SWF4 0x71420
695#define SWF5 0x71424
696#define SWF6 0x71428
697
698/*
699 * 855 scratch registers.
700 */
701#define SWF00 0x70410
702#define SWF01 0x70414
703#define SWF02 0x70418
704#define SWF03 0x7041c
705#define SWF04 0x70420
706#define SWF05 0x70424
707#define SWF06 0x70428
708
709#define SWF10 SWF0
710#define SWF11 SWF1
711#define SWF12 SWF2
712#define SWF13 SWF3
713#define SWF14 SWF4
714#define SWF15 SWF5
715#define SWF16 SWF6
716
717#define SWF30 0x72414
718#define SWF31 0x72418
719#define SWF32 0x7241c
720
721
722/*
723 * Palette registers
724 */
725#define PALETTE_A 0x0a000
726#define PALETTE_B 0x0a800
727#define PALETTE_C 0x0ac00
728
729/* Cursor A & B regs */
730#define CURACNTR 0x70080
731#define CURSOR_MODE_DISABLE 0x00
732#define CURSOR_MODE_64_32B_AX 0x07
733#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
734#define MCURSOR_GAMMA_ENABLE (1 << 26)
735#define CURABASE 0x70084
736#define CURAPOS 0x70088
737#define CURSOR_POS_MASK 0x007FF
738#define CURSOR_POS_SIGN 0x8000
739#define CURSOR_X_SHIFT 0
740#define CURSOR_Y_SHIFT 16
741#define CURBCNTR 0x700c0
742#define CURBBASE 0x700c4
743#define CURBPOS 0x700c8
744#define CURCCNTR 0x700e0
745#define CURCBASE 0x700e4
746#define CURCPOS 0x700e8
747
748/*
749 * Interrupt Registers
750 */
751#define IER 0x020a0
752#define IIR 0x020a4
753#define IMR 0x020a8
754#define ISR 0x020ac
755
756/*
757 * MOORESTOWN delta registers
758 */
759#define MRST_DPLL_A 0x0f014
760#define DPLLA_MODE_LVDS (2 << 26) /* mrst */
761#define MRST_FPA0 0x0f040
762#define MRST_FPA1 0x0f044
763#define MRST_PERF_MODE 0x020f4
764
765/*
766 * MEDFIELD HDMI registers
767 */
768#define HDMIPHYMISCCTL 0x61134
769#define HDMI_PHY_POWER_DOWN 0x7f
770#define HDMIB_CONTROL 0x61140
771#define HDMIB_PORT_EN (1 << 31)
772#define HDMIB_PIPE_B_SELECT (1 << 30)
773#define HDMIB_NULL_PACKET (1 << 9)
774#define HDMIB_HDCP_PORT (1 << 5)
775
776/* #define LVDS 0x61180 */
777#define MRST_PANEL_8TO6_DITHER_ENABLE (1 << 25)
778#define MRST_PANEL_24_DOT_1_FORMAT (1 << 24)
779#define LVDS_A3_POWER_UP_0_OUTPUT (1 << 6)
780
781#define MIPI 0x61190
782#define MIPI_C 0x62190
783#define MIPI_PORT_EN (1 << 31)
784/* Turns on border drawing to allow centered display. */
785#define SEL_FLOPPED_HSTX (1 << 23)
786#define PASS_FROM_SPHY_TO_AFE (1 << 16)
787#define MIPI_BORDER_EN (1 << 15)
788#define MIPIA_3LANE_MIPIC_1LANE 0x1
789#define MIPIA_2LANE_MIPIC_2LANE 0x2
790#define TE_TRIGGER_DSI_PROTOCOL (1 << 2)
791#define TE_TRIGGER_GPIO_PIN (1 << 3)
792#define MIPI_TE_COUNT 0x61194
793
794/* #define PP_CONTROL 0x61204 */
795#define POWER_DOWN_ON_RESET (1 << 1)
796
797/* #define PFIT_CONTROL 0x61230 */
798#define PFIT_PIPE_SELECT (3 << 29)
799#define PFIT_PIPE_SELECT_SHIFT (29)
800
801/* #define BLC_PWM_CTL 0x61254 */
802#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT (16)
803#define MRST_BACKLIGHT_MODULATION_FREQ_MASK (0xffff << 16)
804
805/* #define PIPEACONF 0x70008 */
806#define PIPEACONF_PIPE_STATE (1 << 30)
807/* #define DSPACNTR 0x70180 */
808
809#define MRST_DSPABASE 0x7019c
810#define MRST_DSPBBASE 0x7119c
811
812/*
813 * Moorestown registers.
814 */
815
816/*
817 * MIPI IP registers
818 */
819#define MIPIC_REG_OFFSET 0x800
820
821#define DEVICE_READY_REG 0xb000
822#define LP_OUTPUT_HOLD (1 << 16)
823#define EXIT_ULPS_DEV_READY 0x3
824#define LP_OUTPUT_HOLD_RELEASE 0x810000
825# define ENTERING_ULPS (2 << 1)
826# define EXITING_ULPS (1 << 1)
827# define ULPS_MASK (3 << 1)
828# define BUS_POSSESSION (1 << 3)
829#define INTR_STAT_REG 0xb004
830#define RX_SOT_ERROR (1 << 0)
831#define RX_SOT_SYNC_ERROR (1 << 1)
832#define RX_ESCAPE_MODE_ENTRY_ERROR (1 << 3)
833#define RX_LP_TX_SYNC_ERROR (1 << 4)
834#define RX_HS_RECEIVE_TIMEOUT_ERROR (1 << 5)
835#define RX_FALSE_CONTROL_ERROR (1 << 6)
836#define RX_ECC_SINGLE_BIT_ERROR (1 << 7)
837#define RX_ECC_MULTI_BIT_ERROR (1 << 8)
838#define RX_CHECKSUM_ERROR (1 << 9)
839#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 10)
840#define RX_DSI_VC_ID_INVALID (1 << 11)
841#define TX_FALSE_CONTROL_ERROR (1 << 12)
842#define TX_ECC_SINGLE_BIT_ERROR (1 << 13)
843#define TX_ECC_MULTI_BIT_ERROR (1 << 14)
844#define TX_CHECKSUM_ERROR (1 << 15)
845#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 16)
846#define TX_DSI_VC_ID_INVALID (1 << 17)
847#define HIGH_CONTENTION (1 << 18)
848#define LOW_CONTENTION (1 << 19)
849#define DPI_FIFO_UNDER_RUN (1 << 20)
850#define HS_TX_TIMEOUT (1 << 21)
851#define LP_RX_TIMEOUT (1 << 22)
852#define TURN_AROUND_ACK_TIMEOUT (1 << 23)
853#define ACK_WITH_NO_ERROR (1 << 24)
854#define HS_GENERIC_WR_FIFO_FULL (1 << 27)
855#define LP_GENERIC_WR_FIFO_FULL (1 << 28)
856#define SPL_PKT_SENT (1 << 30)
857#define INTR_EN_REG 0xb008
858#define DSI_FUNC_PRG_REG 0xb00c
859#define DPI_CHANNEL_NUMBER_POS 0x03
860#define DBI_CHANNEL_NUMBER_POS 0x05
861#define FMT_DPI_POS 0x07
862#define FMT_DBI_POS 0x0A
863#define DBI_DATA_WIDTH_POS 0x0D
864
865/* DPI PIXEL FORMATS */
866#define RGB_565_FMT 0x01 /* RGB 565 FORMAT */
867#define RGB_666_FMT 0x02 /* RGB 666 FORMAT */
868#define LRGB_666_FMT 0x03 /* RGB LOOSELY PACKED
869 * 666 FORMAT
870 */
871#define RGB_888_FMT 0x04 /* RGB 888 FORMAT */
872#define VIRTUAL_CHANNEL_NUMBER_0 0x00 /* Virtual channel 0 */
873#define VIRTUAL_CHANNEL_NUMBER_1 0x01 /* Virtual channel 1 */
874#define VIRTUAL_CHANNEL_NUMBER_2 0x02 /* Virtual channel 2 */
875#define VIRTUAL_CHANNEL_NUMBER_3 0x03 /* Virtual channel 3 */
876
877#define DBI_NOT_SUPPORTED 0x00 /* command mode
878 * is not supported
879 */
880#define DBI_DATA_WIDTH_16BIT 0x01 /* 16 bit data */
881#define DBI_DATA_WIDTH_9BIT 0x02 /* 9 bit data */
882#define DBI_DATA_WIDTH_8BIT 0x03 /* 8 bit data */
883#define DBI_DATA_WIDTH_OPT1 0x04 /* option 1 */
884#define DBI_DATA_WIDTH_OPT2 0x05 /* option 2 */
885
886#define HS_TX_TIMEOUT_REG 0xb010
887#define LP_RX_TIMEOUT_REG 0xb014
888#define TURN_AROUND_TIMEOUT_REG 0xb018
889#define DEVICE_RESET_REG 0xb01C
890#define DPI_RESOLUTION_REG 0xb020
891#define RES_V_POS 0x10
892#define HORIZ_SYNC_PAD_COUNT_REG 0xb028
893#define HORIZ_BACK_PORCH_COUNT_REG 0xb02C
894#define HORIZ_FRONT_PORCH_COUNT_REG 0xb030
895#define HORIZ_ACTIVE_AREA_COUNT_REG 0xb034
896#define VERT_SYNC_PAD_COUNT_REG 0xb038
897#define VERT_BACK_PORCH_COUNT_REG 0xb03c
898#define VERT_FRONT_PORCH_COUNT_REG 0xb040
899#define HIGH_LOW_SWITCH_COUNT_REG 0xb044
900#define DPI_CONTROL_REG 0xb048
901#define DPI_SHUT_DOWN (1 << 0)
902#define DPI_TURN_ON (1 << 1)
903#define DPI_COLOR_MODE_ON (1 << 2)
904#define DPI_COLOR_MODE_OFF (1 << 3)
905#define DPI_BACK_LIGHT_ON (1 << 4)
906#define DPI_BACK_LIGHT_OFF (1 << 5)
907#define DPI_LP (1 << 6)
908#define DPI_DATA_REG 0xb04c
909#define DPI_BACK_LIGHT_ON_DATA 0x07
910#define DPI_BACK_LIGHT_OFF_DATA 0x17
911#define INIT_COUNT_REG 0xb050
912#define MAX_RET_PAK_REG 0xb054
913#define VIDEO_FMT_REG 0xb058
914#define COMPLETE_LAST_PCKT (1 << 2)
915#define EOT_DISABLE_REG 0xb05c
916#define ENABLE_CLOCK_STOPPING (1 << 1)
917#define LP_BYTECLK_REG 0xb060
918#define LP_GEN_DATA_REG 0xb064
919#define HS_GEN_DATA_REG 0xb068
920#define LP_GEN_CTRL_REG 0xb06C
921#define HS_GEN_CTRL_REG 0xb070
922#define DCS_CHANNEL_NUMBER_POS 0x6
923#define MCS_COMMANDS_POS 0x8
924#define WORD_COUNTS_POS 0x8
925#define MCS_PARAMETER_POS 0x10
926#define GEN_FIFO_STAT_REG 0xb074
927#define HS_DATA_FIFO_FULL (1 << 0)
928#define HS_DATA_FIFO_HALF_EMPTY (1 << 1)
929#define HS_DATA_FIFO_EMPTY (1 << 2)
930#define LP_DATA_FIFO_FULL (1 << 8)
931#define LP_DATA_FIFO_HALF_EMPTY (1 << 9)
932#define LP_DATA_FIFO_EMPTY (1 << 10)
933#define HS_CTRL_FIFO_FULL (1 << 16)
934#define HS_CTRL_FIFO_HALF_EMPTY (1 << 17)
935#define HS_CTRL_FIFO_EMPTY (1 << 18)
936#define LP_CTRL_FIFO_FULL (1 << 24)
937#define LP_CTRL_FIFO_HALF_EMPTY (1 << 25)
938#define LP_CTRL_FIFO_EMPTY (1 << 26)
939#define DBI_FIFO_EMPTY (1 << 27)
940#define DPI_FIFO_EMPTY (1 << 28)
941#define HS_LS_DBI_ENABLE_REG 0xb078
942#define TXCLKESC_REG 0xb07c
943#define DPHY_PARAM_REG 0xb080
944#define DBI_BW_CTRL_REG 0xb084
945#define CLK_LANE_SWT_REG 0xb088
946
947/*
948 * MIPI Adapter registers
949 */
950#define MIPI_CONTROL_REG 0xb104
951#define MIPI_2X_CLOCK_BITS ((1 << 0) | (1 << 1))
952#define MIPI_DATA_ADDRESS_REG 0xb108
953#define MIPI_DATA_LENGTH_REG 0xb10C
954#define MIPI_COMMAND_ADDRESS_REG 0xb110
955#define MIPI_COMMAND_LENGTH_REG 0xb114
956#define MIPI_READ_DATA_RETURN_REG0 0xb118
957#define MIPI_READ_DATA_RETURN_REG1 0xb11C
958#define MIPI_READ_DATA_RETURN_REG2 0xb120
959#define MIPI_READ_DATA_RETURN_REG3 0xb124
960#define MIPI_READ_DATA_RETURN_REG4 0xb128
961#define MIPI_READ_DATA_RETURN_REG5 0xb12C
962#define MIPI_READ_DATA_RETURN_REG6 0xb130
963#define MIPI_READ_DATA_RETURN_REG7 0xb134
964#define MIPI_READ_DATA_VALID_REG 0xb138
965
966/* DBI COMMANDS */
967#define soft_reset 0x01
968/*
969 * The display module performs a software reset.
970 * Registers are written with their SW Reset default values.
971 */
972#define get_power_mode 0x0a
973/*
974 * The display module returns the current power mode
975 */
976#define get_address_mode 0x0b
977/*
978 * The display module returns the current status.
979 */
980#define get_pixel_format 0x0c
981/*
982 * This command gets the pixel format for the RGB image data
983 * used by the interface.
984 */
985#define get_display_mode 0x0d
986/*
987 * The display module returns the Display Image Mode status.
988 */
989#define get_signal_mode 0x0e
990/*
991 * The display module returns the Display Signal Mode.
992 */
993#define get_diagnostic_result 0x0f
994/*
995 * The display module returns the self-diagnostic results following
996 * a Sleep Out command.
997 */
998#define enter_sleep_mode 0x10
999/*
1000 * This command causes the display module to enter the Sleep mode.
1001 * In this mode, all unnecessary blocks inside the display module are
1002 * disabled except interface communication. This is the lowest power
1003 * mode the display module supports.
1004 */
1005#define exit_sleep_mode 0x11
1006/*
1007 * This command causes the display module to exit Sleep mode.
1008 * All blocks inside the display module are enabled.
1009 */
1010#define enter_partial_mode 0x12
1011/*
1012 * This command causes the display module to enter the Partial Display
1013 * Mode. The Partial Display Mode window is described by the
1014 * set_partial_area command.
1015 */
1016#define enter_normal_mode 0x13
1017/*
1018 * This command causes the display module to enter the Normal mode.
1019 * Normal Mode is defined as Partial Display mode and Scroll mode are off
1020 */
1021#define exit_invert_mode 0x20
1022/*
1023 * This command causes the display module to stop inverting the image
1024 * data on the display device. The frame memory contents remain unchanged.
1025 * No status bits are changed.
1026 */
1027#define enter_invert_mode 0x21
1028/*
1029 * This command causes the display module to invert the image data only on
1030 * the display device. The frame memory contents remain unchanged.
1031 * No status bits are changed.
1032 */
1033#define set_gamma_curve 0x26
1034/*
1035 * This command selects the desired gamma curve for the display device.
1036 * Four fixed gamma curves are defined in section DCS spec.
1037 */
1038#define set_display_off 0x28
1039/* ************************************************************************* *\
1040This command causes the display module to stop displaying the image data
1041on the display device. The frame memory contents remain unchanged.
1042No status bits are changed.
1043\* ************************************************************************* */
1044#define set_display_on 0x29
1045/* ************************************************************************* *\
1046This command causes the display module to start displaying the image data
1047on the display device. The frame memory contents remain unchanged.
1048No status bits are changed.
1049\* ************************************************************************* */
1050#define set_column_address 0x2a
1051/*
1052 * This command defines the column extent of the frame memory accessed by
1053 * the hostprocessor with the read_memory_continue and
1054 * write_memory_continue commands.
1055 * No status bits are changed.
1056 */
1057#define set_page_addr 0x2b
1058/*
1059 * This command defines the page extent of the frame memory accessed by
1060 * the host processor with the write_memory_continue and
1061 * read_memory_continue command.
1062 * No status bits are changed.
1063 */
1064#define write_mem_start 0x2c
1065/*
1066 * This command transfers image data from the host processor to the
1067 * display modules frame memory starting at the pixel location specified
1068 * by preceding set_column_address and set_page_address commands.
1069 */
1070#define set_partial_area 0x30
1071/*
1072 * This command defines the Partial Display mode s display area.
1073 * There are two parameters associated with this command, the first
1074 * defines the Start Row (SR) and the second the End Row (ER). SR and ER
1075 * refer to the Frame Memory Line Pointer.
1076 */
1077#define set_scroll_area 0x33
1078/*
1079 * This command defines the display modules Vertical Scrolling Area.
1080 */
1081#define set_tear_off 0x34
1082/*
1083 * This command turns off the display modules Tearing Effect output
1084 * signal on the TE signal line.
1085 */
1086#define set_tear_on 0x35
1087/*
1088 * This command turns on the display modules Tearing Effect output signal
1089 * on the TE signal line.
1090 */
1091#define set_address_mode 0x36
1092/*
1093 * This command sets the data order for transfers from the host processor
1094 * to display modules frame memory,bits B[7:5] and B3, and from the
1095 * display modules frame memory to the display device, bits B[2:0] and B4.
1096 */
1097#define set_scroll_start 0x37
1098/*
1099 * This command sets the start of the vertical scrolling area in the frame
1100 * memory. The vertical scrolling area is fully defined when this command
1101 * is used with the set_scroll_area command The set_scroll_start command
1102 * has one parameter, the Vertical Scroll Pointer. The VSP defines the
1103 * line in the frame memory that is written to the display device as the
1104 * first line of the vertical scroll area.
1105 */
1106#define exit_idle_mode 0x38
1107/*
1108 * This command causes the display module to exit Idle mode.
1109 */
1110#define enter_idle_mode 0x39
1111/*
1112 * This command causes the display module to enter Idle Mode.
1113 * In Idle Mode, color expression is reduced. Colors are shown on the
1114 * display device using the MSB of each of the R, G and B color
1115 * components in the frame memory
1116 */
1117#define set_pixel_format 0x3a
1118/*
1119 * This command sets the pixel format for the RGB image data used by the
1120 * interface.
1121 * Bits D[6:4] DPI Pixel Format Definition
1122 * Bits D[2:0] DBI Pixel Format Definition
1123 * Bits D7 and D3 are not used.
1124 */
1125#define DCS_PIXEL_FORMAT_3bpp 0x1
1126#define DCS_PIXEL_FORMAT_8bpp 0x2
1127#define DCS_PIXEL_FORMAT_12bpp 0x3
1128#define DCS_PIXEL_FORMAT_16bpp 0x5
1129#define DCS_PIXEL_FORMAT_18bpp 0x6
1130#define DCS_PIXEL_FORMAT_24bpp 0x7
1131
1132#define write_mem_cont 0x3c
1133
1134/*
1135 * This command transfers image data from the host processor to the
1136 * display module's frame memory continuing from the pixel location
1137 * following the previous write_memory_continue or write_memory_start
1138 * command.
1139 */
1140#define set_tear_scanline 0x44
1141/*
1142 * This command turns on the display modules Tearing Effect output signal
1143 * on the TE signal line when the display module reaches line N.
1144 */
1145#define get_scanline 0x45
1146/*
1147 * The display module returns the current scanline, N, used to update the
1148 * display device. The total number of scanlines on a display device is
1149 * defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
1150 * the first line of V Sync and is denoted as Line 0.
1151 * When in Sleep Mode, the value returned by get_scanline is undefined.
1152 */
1153
1154/* MCS or Generic COMMANDS */
1155/* MCS/generic data type */
1156#define GEN_SHORT_WRITE_0 0x03 /* generic short write, no parameters */
1157#define GEN_SHORT_WRITE_1 0x13 /* generic short write, 1 parameters */
1158#define GEN_SHORT_WRITE_2 0x23 /* generic short write, 2 parameters */
1159#define GEN_READ_0 0x04 /* generic read, no parameters */
1160#define GEN_READ_1 0x14 /* generic read, 1 parameters */
1161#define GEN_READ_2 0x24 /* generic read, 2 parameters */
1162#define GEN_LONG_WRITE 0x29 /* generic long write */
1163#define MCS_SHORT_WRITE_0 0x05 /* MCS short write, no parameters */
1164#define MCS_SHORT_WRITE_1 0x15 /* MCS short write, 1 parameters */
1165#define MCS_READ 0x06 /* MCS read, no parameters */
1166#define MCS_LONG_WRITE 0x39 /* MCS long write */
1167/* MCS/generic commands */
1168/* TPO MCS */
1169#define write_display_profile 0x50
1170#define write_display_brightness 0x51
1171#define write_ctrl_display 0x53
1172#define write_ctrl_cabc 0x55
1173 #define UI_IMAGE 0x01
1174 #define STILL_IMAGE 0x02
1175 #define MOVING_IMAGE 0x03
1176#define write_hysteresis 0x57
1177#define write_gamma_setting 0x58
1178#define write_cabc_min_bright 0x5e
1179#define write_kbbc_profile 0x60
1180/* TMD MCS */
1181#define tmd_write_display_brightness 0x8c
1182
1183/*
1184 * This command is used to control ambient light, panel backlight
1185 * brightness and gamma settings.
1186 */
1187#define BRIGHT_CNTL_BLOCK_ON (1 << 5)
1188#define AMBIENT_LIGHT_SENSE_ON (1 << 4)
1189#define DISPLAY_DIMMING_ON (1 << 3)
1190#define BACKLIGHT_ON (1 << 2)
1191#define DISPLAY_BRIGHTNESS_AUTO (1 << 1)
1192#define GAMMA_AUTO (1 << 0)
1193
1194/* DCS Interface Pixel Formats */
1195#define DCS_PIXEL_FORMAT_3BPP 0x1
1196#define DCS_PIXEL_FORMAT_8BPP 0x2
1197#define DCS_PIXEL_FORMAT_12BPP 0x3
1198#define DCS_PIXEL_FORMAT_16BPP 0x5
1199#define DCS_PIXEL_FORMAT_18BPP 0x6
1200#define DCS_PIXEL_FORMAT_24BPP 0x7
1201/* ONE PARAMETER READ DATA */
1202#define addr_mode_data 0xfc
1203#define diag_res_data 0x00
1204#define disp_mode_data 0x23
1205#define pxl_fmt_data 0x77
1206#define pwr_mode_data 0x74
1207#define sig_mode_data 0x00
1208/* TWO PARAMETERS READ DATA */
1209#define scanline_data1 0xff
1210#define scanline_data2 0xff
1211#define NON_BURST_MODE_SYNC_PULSE 0x01 /* Non Burst Mode
1212 * with Sync Pulse
1213 */
1214#define NON_BURST_MODE_SYNC_EVENTS 0x02 /* Non Burst Mode
1215 * with Sync events
1216 */
1217#define BURST_MODE 0x03 /* Burst Mode */
1218#define DBI_COMMAND_BUFFER_SIZE 0x240 /* 0x32 */ /* 0x120 */
1219 /* Allocate at least
1220 * 0x100 Byte with 32
1221 * byte alignment
1222 */
1223#define DBI_DATA_BUFFER_SIZE 0x120 /* Allocate at least
1224 * 0x100 Byte with 32
1225 * byte alignment
1226 */
1227#define DBI_CB_TIME_OUT 0xFFFF
1228
1229#define GEN_FB_TIME_OUT 2000
1230
1231#define SKU_83 0x01
1232#define SKU_100 0x02
1233#define SKU_100L 0x04
1234#define SKU_BYPASS 0x08
1235
1236/* Some handy macros for playing with bitfields. */
1237#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
1238#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
1239#define GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT)
1240
1241#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
1242
1243/* PCI config space */
1244
1245#define SB_PCKT 0x02100 /* cedarview */
1246# define SB_OPCODE_MASK PSB_MASK(31, 16)
1247# define SB_OPCODE_SHIFT 16
1248# define SB_OPCODE_READ 0
1249# define SB_OPCODE_WRITE 1
1250# define SB_DEST_MASK PSB_MASK(15, 8)
1251# define SB_DEST_SHIFT 8
1252# define SB_DEST_DPLL 0x88
1253# define SB_BYTE_ENABLE_MASK PSB_MASK(7, 4)
1254# define SB_BYTE_ENABLE_SHIFT 4
1255# define SB_BUSY (1 << 0)
1256
1257#define DSPCLK_GATE_D 0x6200
1258# define VRHUNIT_CLOCK_GATE_DISABLE (1 << 28) /* Fixed value on CDV */
1259# define DPOUNIT_CLOCK_GATE_DISABLE (1 << 11)
1260# define DPIOUNIT_CLOCK_GATE_DISABLE (1 << 6)
1261# define DPUNIT_PIPEB_GATE_DISABLE (1 << 30)
1262# define DPUNIT_PIPEA_GATE_DISABLE (1 << 25)
1263# define DPCUNIT_CLOCK_GATE_DISABLE (1 << 24)
1264# define DPLSUNIT_CLOCK_GATE_DISABLE (1 << 13)
1265
1266#define RAMCLK_GATE_D 0x6210
1267
1268/* 32-bit value read/written from the DPIO reg. */
1269#define SB_DATA 0x02104 /* cedarview */
1270/* 32-bit address of the DPIO reg to be read/written. */
1271#define SB_ADDR 0x02108 /* cedarview */
1272#define DPIO_CFG 0x02110 /* cedarview */
1273# define DPIO_MODE_SELECT_1 (1 << 3)
1274# define DPIO_MODE_SELECT_0 (1 << 2)
1275# define DPIO_SFR_BYPASS (1 << 1)
1276/* reset is active low */
1277# define DPIO_CMN_RESET_N (1 << 0)
1278
1279/* Cedarview sideband registers */
1280#define _SB_M_A 0x8008
1281#define _SB_M_B 0x8028
1282#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
1283# define SB_M_DIVIDER_MASK (0xFF << 24)
1284# define SB_M_DIVIDER_SHIFT 24
1285
1286#define _SB_N_VCO_A 0x8014
1287#define _SB_N_VCO_B 0x8034
1288#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
1289#define SB_N_VCO_SEL_MASK PSB_MASK(31, 30)
1290#define SB_N_VCO_SEL_SHIFT 30
1291#define SB_N_DIVIDER_MASK PSB_MASK(29, 26)
1292#define SB_N_DIVIDER_SHIFT 26
1293#define SB_N_CB_TUNE_MASK PSB_MASK(25, 24)
1294#define SB_N_CB_TUNE_SHIFT 24
1295
1296/* the bit 14:13 is used to select between the different reference clock for Pipe A/B */
1297#define SB_REF_DPLLA 0x8010
1298#define SB_REF_DPLLB 0x8030
1299#define REF_CLK_MASK (0x3 << 13)
1300#define REF_CLK_CORE (0 << 13)
1301#define REF_CLK_DPLL (1 << 13)
1302#define REF_CLK_DPLLA (2 << 13)
1303/* For the DPLL B, it will use the reference clk from DPLL A when using (2 << 13) */
1304
1305#define _SB_REF_A 0x8018
1306#define _SB_REF_B 0x8038
1307#define SB_REF_SFR(pipe) _PIPE(pipe, _SB_REF_A, _SB_REF_B)
1308
1309#define _SB_P_A 0x801c
1310#define _SB_P_B 0x803c
1311#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
1312#define SB_P2_DIVIDER_MASK PSB_MASK(31, 30)
1313#define SB_P2_DIVIDER_SHIFT 30
1314#define SB_P2_10 0 /* HDMI, DP, DAC */
1315#define SB_P2_5 1 /* DAC */
1316#define SB_P2_14 2 /* LVDS single */
1317#define SB_P2_7 3 /* LVDS double */
1318#define SB_P1_DIVIDER_MASK PSB_MASK(15, 12)
1319#define SB_P1_DIVIDER_SHIFT 12
1320
1321#define PSB_LANE0 0x120
1322#define PSB_LANE1 0x220
1323#define PSB_LANE2 0x2320
1324#define PSB_LANE3 0x2420
1325
1326#define LANE_PLL_MASK (0x7 << 20)
1327#define LANE_PLL_ENABLE (0x3 << 20)
1328#define LANE_PLL_PIPE(p) (((p) == 0) ? (1 << 21) : (0 << 21))
1329
1330#define DP_B 0x64100
1331#define DP_C 0x64200
1332
1333#define DP_PORT_EN (1 << 31)
1334#define DP_PIPEB_SELECT (1 << 30)
1335#define DP_PIPE_MASK (1 << 30)
1336
1337/* Link training mode - select a suitable mode for each stage */
1338#define DP_LINK_TRAIN_PAT_1 (0 << 28)
1339#define DP_LINK_TRAIN_PAT_2 (1 << 28)
1340#define DP_LINK_TRAIN_PAT_IDLE (2 << 28)
1341#define DP_LINK_TRAIN_OFF (3 << 28)
1342#define DP_LINK_TRAIN_MASK (3 << 28)
1343#define DP_LINK_TRAIN_SHIFT 28
1344
1345/* Signal voltages. These are mostly controlled by the other end */
1346#define DP_VOLTAGE_0_4 (0 << 25)
1347#define DP_VOLTAGE_0_6 (1 << 25)
1348#define DP_VOLTAGE_0_8 (2 << 25)
1349#define DP_VOLTAGE_1_2 (3 << 25)
1350#define DP_VOLTAGE_MASK (7 << 25)
1351#define DP_VOLTAGE_SHIFT 25
1352
1353/* Signal pre-emphasis levels, like voltages, the other end tells us what
1354 * they want
1355 */
1356#define DP_PRE_EMPHASIS_0 (0 << 22)
1357#define DP_PRE_EMPHASIS_3_5 (1 << 22)
1358#define DP_PRE_EMPHASIS_6 (2 << 22)
1359#define DP_PRE_EMPHASIS_9_5 (3 << 22)
1360#define DP_PRE_EMPHASIS_MASK (7 << 22)
1361#define DP_PRE_EMPHASIS_SHIFT 22
1362
1363/* How many wires to use. I guess 3 was too hard */
1364#define DP_PORT_WIDTH_1 (0 << 19)
1365#define DP_PORT_WIDTH_2 (1 << 19)
1366#define DP_PORT_WIDTH_4 (3 << 19)
1367#define DP_PORT_WIDTH_MASK (7 << 19)
1368
1369/* Mystic DPCD version 1.1 special mode */
1370#define DP_ENHANCED_FRAMING (1 << 18)
1371
1372/** locked once port is enabled */
1373#define DP_PORT_REVERSAL (1 << 15)
1374
1375/** sends the clock on lane 15 of the PEG for debug */
1376#define DP_CLOCK_OUTPUT_ENABLE (1 << 13)
1377
1378#define DP_SCRAMBLING_DISABLE (1 << 12)
1379#define DP_SCRAMBLING_DISABLE_IRONLAKE (1 << 7)
1380
1381/** limit RGB values to avoid confusing TVs */
1382#define DP_COLOR_RANGE_16_235 (1 << 8)
1383
1384/** Turn on the audio link */
1385#define DP_AUDIO_OUTPUT_ENABLE (1 << 6)
1386
1387/** vs and hs sync polarity */
1388#define DP_SYNC_VS_HIGH (1 << 4)
1389#define DP_SYNC_HS_HIGH (1 << 3)
1390
1391/** A fantasy */
1392#define DP_DETECTED (1 << 2)
1393
1394/** The aux channel provides a way to talk to the
1395 * signal sink for DDC etc. Max packet size supported
1396 * is 20 bytes in each direction, hence the 5 fixed
1397 * data registers
1398 */
1399#define DPB_AUX_CH_CTL 0x64110
1400#define DPB_AUX_CH_DATA1 0x64114
1401#define DPB_AUX_CH_DATA2 0x64118
1402#define DPB_AUX_CH_DATA3 0x6411c
1403#define DPB_AUX_CH_DATA4 0x64120
1404#define DPB_AUX_CH_DATA5 0x64124
1405
1406#define DPC_AUX_CH_CTL 0x64210
1407#define DPC_AUX_CH_DATA1 0x64214
1408#define DPC_AUX_CH_DATA2 0x64218
1409#define DPC_AUX_CH_DATA3 0x6421c
1410#define DPC_AUX_CH_DATA4 0x64220
1411#define DPC_AUX_CH_DATA5 0x64224
1412
1413#define DP_AUX_CH_CTL_SEND_BUSY (1 << 31)
1414#define DP_AUX_CH_CTL_DONE (1 << 30)
1415#define DP_AUX_CH_CTL_INTERRUPT (1 << 29)
1416#define DP_AUX_CH_CTL_TIME_OUT_ERROR (1 << 28)
1417#define DP_AUX_CH_CTL_TIME_OUT_400us (0 << 26)
1418#define DP_AUX_CH_CTL_TIME_OUT_600us (1 << 26)
1419#define DP_AUX_CH_CTL_TIME_OUT_800us (2 << 26)
1420#define DP_AUX_CH_CTL_TIME_OUT_1600us (3 << 26)
1421#define DP_AUX_CH_CTL_TIME_OUT_MASK (3 << 26)
1422#define DP_AUX_CH_CTL_RECEIVE_ERROR (1 << 25)
1423#define DP_AUX_CH_CTL_MESSAGE_SIZE_MASK (0x1f << 20)
1424#define DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT 20
1425#define DP_AUX_CH_CTL_PRECHARGE_2US_MASK (0xf << 16)
1426#define DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT 16
1427#define DP_AUX_CH_CTL_AUX_AKSV_SELECT (1 << 15)
1428#define DP_AUX_CH_CTL_MANCHESTER_TEST (1 << 14)
1429#define DP_AUX_CH_CTL_SYNC_TEST (1 << 13)
1430#define DP_AUX_CH_CTL_DEGLITCH_TEST (1 << 12)
1431#define DP_AUX_CH_CTL_PRECHARGE_TEST (1 << 11)
1432#define DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK (0x7ff)
1433#define DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT 0
1434
1435/*
1436 * Computing GMCH M and N values for the Display Port link
1437 *
1438 * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
1439 *
1440 * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
1441 *
1442 * The GMCH value is used internally
1443 *
1444 * bytes_per_pixel is the number of bytes coming out of the plane,
1445 * which is after the LUTs, so we want the bytes for our color format.
1446 * For our current usage, this is always 3, one byte for R, G and B.
1447 */
1448
1449#define _PIPEA_GMCH_DATA_M 0x70050
1450#define _PIPEB_GMCH_DATA_M 0x71050
1451
1452/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
1453#define PIPE_GMCH_DATA_M_TU_SIZE_MASK (0x3f << 25)
1454#define PIPE_GMCH_DATA_M_TU_SIZE_SHIFT 25
1455
1456#define PIPE_GMCH_DATA_M_MASK (0xffffff)
1457
1458#define _PIPEA_GMCH_DATA_N 0x70054
1459#define _PIPEB_GMCH_DATA_N 0x71054
1460#define PIPE_GMCH_DATA_N_MASK (0xffffff)
1461
1462/*
1463 * Computing Link M and N values for the Display Port link
1464 *
1465 * Link M / N = pixel_clock / ls_clk
1466 *
1467 * (the DP spec calls pixel_clock the 'strm_clk')
1468 *
1469 * The Link value is transmitted in the Main Stream
1470 * Attributes and VB-ID.
1471 */
1472
1473#define _PIPEA_DP_LINK_M 0x70060
1474#define _PIPEB_DP_LINK_M 0x71060
1475#define PIPEA_DP_LINK_M_MASK (0xffffff)
1476
1477#define _PIPEA_DP_LINK_N 0x70064
1478#define _PIPEB_DP_LINK_N 0x71064
1479#define PIPEA_DP_LINK_N_MASK (0xffffff)
1480
1481#define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
1482#define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
1483#define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
1484#define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
1485
1486#define PIPE_BPC_MASK (7 << 5)
1487#define PIPE_8BPC (0 << 5)
1488#define PIPE_10BPC (1 << 5)
1489#define PIPE_6BPC (2 << 5)
1490
1491#endif
1492

source code of linux/drivers/gpu/drm/gma500/psb_intel_reg.h