xref: /linux/drivers/gpu/drm/gma500/psb_intel_reg.h (revision 8be98d2f2a0a262f8bf8a0bc1fdf522b3c7aab17)
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 /* ************************************************************************* *\
1040 This command causes the display module to stop displaying the image data
1041 on the display device. The frame memory contents remain unchanged.
1042 No status bits are changed.
1043 \* ************************************************************************* */
1044 #define set_display_on			0x29
1045 /* ************************************************************************* *\
1046 This command causes the display module to start displaying the image data
1047 on the display device. The frame memory contents remain unchanged.
1048 No 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