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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 struct dpst_ie_histogram_control {
554 	union {
555 		uint32_t data;
556 		struct {
557 			uint32_t bin_reg_index:7;
558 			uint32_t reserved:4;
559 			uint32_t bin_reg_func_select:1;
560 			uint32_t sync_to_phase_in:1;
561 			uint32_t alt_enhancement_mode:2;
562 			uint32_t reserved1:1;
563 			uint32_t sync_to_phase_in_count:8;
564 			uint32_t histogram_mode_select:1;
565 			uint32_t reserved2:4;
566 			uint32_t ie_pipe_assignment:1;
567 			uint32_t ie_mode_table_enabled:1;
568 			uint32_t ie_histogram_enable:1;
569 		};
570 	};
571 };
572 
573 struct dpst_guardband {
574 	union {
575 		uint32_t data;
576 		struct {
577 			uint32_t guardband:22;
578 			uint32_t guardband_interrupt_delay:8;
579 			uint32_t interrupt_status:1;
580 			uint32_t interrupt_enable:1;
581 		};
582 	};
583 };
584 
585 #define PIPEAFRAMEHIGH		0x70040
586 #define PIPEAFRAMEPIXEL		0x70044
587 #define PIPEBFRAMEHIGH		0x71040
588 #define PIPEBFRAMEPIXEL		0x71044
589 #define PIPECFRAMEHIGH		0x72040
590 #define PIPECFRAMEPIXEL		0x72044
591 #define PIPE_FRAME_HIGH_MASK	0x0000ffff
592 #define PIPE_FRAME_HIGH_SHIFT	0
593 #define PIPE_FRAME_LOW_MASK	0xff000000
594 #define PIPE_FRAME_LOW_SHIFT	24
595 #define PIPE_PIXEL_MASK		0x00ffffff
596 #define PIPE_PIXEL_SHIFT	0
597 
598 #define FW_BLC_SELF		0x20e0
599 #define FW_BLC_SELF_EN          (1<<15)
600 
601 #define DSPARB			0x70030
602 #define DSPFW1			0x70034
603 #define DSP_FIFO_SR_WM_MASK		0xFF800000
604 #define DSP_FIFO_SR_WM_SHIFT		23
605 #define CURSOR_B_FIFO_WM_MASK		0x003F0000
606 #define CURSOR_B_FIFO_WM_SHIFT		16
607 #define DSPFW2			0x70038
608 #define CURSOR_A_FIFO_WM_MASK		0x3F00
609 #define CURSOR_A_FIFO_WM_SHIFT		8
610 #define DSP_PLANE_C_FIFO_WM_MASK	0x7F
611 #define DSP_PLANE_C_FIFO_WM_SHIFT	0
612 #define DSPFW3			0x7003c
613 #define DSPFW4			0x70050
614 #define DSPFW5			0x70054
615 #define DSP_PLANE_B_FIFO_WM1_SHIFT	24
616 #define DSP_PLANE_A_FIFO_WM1_SHIFT	16
617 #define CURSOR_B_FIFO_WM1_SHIFT		8
618 #define CURSOR_FIFO_SR_WM1_SHIFT	0
619 #define DSPFW6			0x70058
620 #define DSPCHICKENBIT		0x70400
621 #define DSPACNTR		0x70180
622 #define DSPBCNTR		0x71180
623 #define DSPCCNTR		0x72180
624 #define DISPLAY_PLANE_ENABLE			(1 << 31)
625 #define DISPLAY_PLANE_DISABLE			0
626 #define DISPPLANE_GAMMA_ENABLE			(1 << 30)
627 #define DISPPLANE_GAMMA_DISABLE			0
628 #define DISPPLANE_PIXFORMAT_MASK		(0xf << 26)
629 #define DISPPLANE_8BPP				(0x2 << 26)
630 #define DISPPLANE_15_16BPP			(0x4 << 26)
631 #define DISPPLANE_16BPP				(0x5 << 26)
632 #define DISPPLANE_32BPP_NO_ALPHA		(0x6 << 26)
633 #define DISPPLANE_32BPP				(0x7 << 26)
634 #define DISPPLANE_STEREO_ENABLE			(1 << 25)
635 #define DISPPLANE_STEREO_DISABLE		0
636 #define DISPPLANE_SEL_PIPE_MASK			(1 << 24)
637 #define DISPPLANE_SEL_PIPE_POS			24
638 #define DISPPLANE_SEL_PIPE_A			0
639 #define DISPPLANE_SEL_PIPE_B			(1 << 24)
640 #define DISPPLANE_SRC_KEY_ENABLE		(1 << 22)
641 #define DISPPLANE_SRC_KEY_DISABLE		0
642 #define DISPPLANE_LINE_DOUBLE			(1 << 20)
643 #define DISPPLANE_NO_LINE_DOUBLE		0
644 #define DISPPLANE_STEREO_POLARITY_FIRST		0
645 #define DISPPLANE_STEREO_POLARITY_SECOND	(1 << 18)
646 /* plane B only */
647 #define DISPPLANE_ALPHA_TRANS_ENABLE		(1 << 15)
648 #define DISPPLANE_ALPHA_TRANS_DISABLE		0
649 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA		0
650 #define DISPPLANE_SPRITE_ABOVE_OVERLAY		(1)
651 #define DISPPLANE_BOTTOM			(4)
652 
653 #define DSPABASE		0x70184
654 #define DSPALINOFF		0x70184
655 #define DSPASTRIDE		0x70188
656 
657 #define DSPBBASE		0x71184
658 #define DSPBLINOFF		0X71184
659 #define DSPBADDR		DSPBBASE
660 #define DSPBSTRIDE		0x71188
661 
662 #define DSPCBASE		0x72184
663 #define DSPCLINOFF		0x72184
664 #define DSPCSTRIDE		0x72188
665 
666 #define DSPAKEYVAL		0x70194
667 #define DSPAKEYMASK		0x70198
668 
669 #define DSPAPOS			0x7018C	/* reserved */
670 #define DSPASIZE		0x70190
671 #define DSPBPOS			0x7118C
672 #define DSPBSIZE		0x71190
673 #define DSPCPOS			0x7218C
674 #define DSPCSIZE		0x72190
675 
676 #define DSPASURF		0x7019C
677 #define DSPATILEOFF		0x701A4
678 
679 #define DSPBSURF		0x7119C
680 #define DSPBTILEOFF		0x711A4
681 
682 #define DSPCSURF		0x7219C
683 #define DSPCTILEOFF		0x721A4
684 #define DSPCKEYMAXVAL		0x721A0
685 #define DSPCKEYMINVAL		0x72194
686 #define DSPCKEYMSK		0x72198
687 
688 #define VGACNTRL		0x71400
689 #define VGA_DISP_DISABLE		(1 << 31)
690 #define VGA_2X_MODE			(1 << 30)
691 #define VGA_PIPE_B_SELECT		(1 << 29)
692 
693 /*
694  * Overlay registers
695  */
696 #define OV_C_OFFSET		0x08000
697 #define OV_OVADD		0x30000
698 #define OV_DOVASTA		0x30008
699 # define OV_PIPE_SELECT			((1 << 6)|(1 << 7))
700 # define OV_PIPE_SELECT_POS		6
701 # define OV_PIPE_A			0
702 # define OV_PIPE_C			1
703 #define OV_OGAMC5		0x30010
704 #define OV_OGAMC4		0x30014
705 #define OV_OGAMC3		0x30018
706 #define OV_OGAMC2		0x3001C
707 #define OV_OGAMC1		0x30020
708 #define OV_OGAMC0		0x30024
709 #define OVC_OVADD		0x38000
710 #define OVC_DOVCSTA		0x38008
711 #define OVC_OGAMC5		0x38010
712 #define OVC_OGAMC4		0x38014
713 #define OVC_OGAMC3		0x38018
714 #define OVC_OGAMC2		0x3801C
715 #define OVC_OGAMC1		0x38020
716 #define OVC_OGAMC0		0x38024
717 
718 /*
719  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
720  * of video memory available to the BIOS in SWF1.
721  */
722 #define SWF0			0x71410
723 #define SWF1			0x71414
724 #define SWF2			0x71418
725 #define SWF3			0x7141c
726 #define SWF4			0x71420
727 #define SWF5			0x71424
728 #define SWF6			0x71428
729 
730 /*
731  * 855 scratch registers.
732  */
733 #define SWF00			0x70410
734 #define SWF01			0x70414
735 #define SWF02			0x70418
736 #define SWF03			0x7041c
737 #define SWF04			0x70420
738 #define SWF05			0x70424
739 #define SWF06			0x70428
740 
741 #define SWF10			SWF0
742 #define SWF11			SWF1
743 #define SWF12			SWF2
744 #define SWF13			SWF3
745 #define SWF14			SWF4
746 #define SWF15			SWF5
747 #define SWF16			SWF6
748 
749 #define SWF30			0x72414
750 #define SWF31			0x72418
751 #define SWF32			0x7241c
752 
753 
754 /*
755  * Palette registers
756  */
757 #define PALETTE_A		0x0a000
758 #define PALETTE_B		0x0a800
759 #define PALETTE_C		0x0ac00
760 
761 /* Cursor A & B regs */
762 #define CURACNTR		0x70080
763 #define CURSOR_MODE_DISABLE		0x00
764 #define CURSOR_MODE_64_32B_AX		0x07
765 #define CURSOR_MODE_64_ARGB_AX		((1 << 5) | CURSOR_MODE_64_32B_AX)
766 #define MCURSOR_GAMMA_ENABLE		(1 << 26)
767 #define CURABASE		0x70084
768 #define CURAPOS			0x70088
769 #define CURSOR_POS_MASK			0x007FF
770 #define CURSOR_POS_SIGN			0x8000
771 #define CURSOR_X_SHIFT			0
772 #define CURSOR_Y_SHIFT			16
773 #define CURBCNTR		0x700c0
774 #define CURBBASE		0x700c4
775 #define CURBPOS			0x700c8
776 #define CURCCNTR		0x700e0
777 #define CURCBASE		0x700e4
778 #define CURCPOS			0x700e8
779 
780 /*
781  * Interrupt Registers
782  */
783 #define IER			0x020a0
784 #define IIR			0x020a4
785 #define IMR			0x020a8
786 #define ISR			0x020ac
787 
788 /*
789  * MOORESTOWN delta registers
790  */
791 #define MRST_DPLL_A		0x0f014
792 #define MDFLD_DPLL_B		0x0f018
793 #define MDFLD_INPUT_REF_SEL		(1 << 14)
794 #define MDFLD_VCO_SEL			(1 << 16)
795 #define DPLLA_MODE_LVDS			(2 << 26)	/* mrst */
796 #define MDFLD_PLL_LATCHEN		(1 << 28)
797 #define MDFLD_PWR_GATE_EN		(1 << 30)
798 #define MDFLD_P1_MASK			(0x1FF << 17)
799 #define MRST_FPA0		0x0f040
800 #define MRST_FPA1		0x0f044
801 #define MDFLD_DPLL_DIV0		0x0f048
802 #define MDFLD_DPLL_DIV1		0x0f04c
803 #define MRST_PERF_MODE		0x020f4
804 
805 /*
806  * MEDFIELD HDMI registers
807  */
808 #define HDMIPHYMISCCTL		0x61134
809 #define HDMI_PHY_POWER_DOWN		0x7f
810 #define HDMIB_CONTROL		0x61140
811 #define HDMIB_PORT_EN			(1 << 31)
812 #define HDMIB_PIPE_B_SELECT		(1 << 30)
813 #define HDMIB_NULL_PACKET		(1 << 9)
814 #define HDMIB_HDCP_PORT			(1 << 5)
815 
816 /* #define LVDS			0x61180 */
817 #define MRST_PANEL_8TO6_DITHER_ENABLE	(1 << 25)
818 #define MRST_PANEL_24_DOT_1_FORMAT	(1 << 24)
819 #define LVDS_A3_POWER_UP_0_OUTPUT	(1 << 6)
820 
821 #define MIPI			0x61190
822 #define MIPI_C			0x62190
823 #define MIPI_PORT_EN			(1 << 31)
824 /* Turns on border drawing to allow centered display. */
825 #define SEL_FLOPPED_HSTX		(1 << 23)
826 #define PASS_FROM_SPHY_TO_AFE		(1 << 16)
827 #define MIPI_BORDER_EN			(1 << 15)
828 #define MIPIA_3LANE_MIPIC_1LANE		0x1
829 #define MIPIA_2LANE_MIPIC_2LANE		0x2
830 #define TE_TRIGGER_DSI_PROTOCOL		(1 << 2)
831 #define TE_TRIGGER_GPIO_PIN		(1 << 3)
832 #define MIPI_TE_COUNT		0x61194
833 
834 /* #define PP_CONTROL	0x61204 */
835 #define POWER_DOWN_ON_RESET		(1 << 1)
836 
837 /* #define PFIT_CONTROL	0x61230 */
838 #define PFIT_PIPE_SELECT		(3 << 29)
839 #define PFIT_PIPE_SELECT_SHIFT		(29)
840 
841 /* #define BLC_PWM_CTL		0x61254 */
842 #define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT	(16)
843 #define MRST_BACKLIGHT_MODULATION_FREQ_MASK	(0xffff << 16)
844 
845 /* #define PIPEACONF 0x70008 */
846 #define PIPEACONF_PIPE_STATE		(1 << 30)
847 /* #define DSPACNTR		0x70180 */
848 
849 #define MRST_DSPABASE		0x7019c
850 #define MRST_DSPBBASE		0x7119c
851 #define MDFLD_DSPCBASE		0x7219c
852 
853 /*
854  * Moorestown registers.
855  */
856 
857 /*
858  *	MIPI IP registers
859  */
860 #define MIPIC_REG_OFFSET		0x800
861 
862 #define DEVICE_READY_REG		0xb000
863 #define LP_OUTPUT_HOLD				(1 << 16)
864 #define EXIT_ULPS_DEV_READY			0x3
865 #define LP_OUTPUT_HOLD_RELEASE			0x810000
866 # define ENTERING_ULPS				(2 << 1)
867 # define EXITING_ULPS				(1 << 1)
868 # define ULPS_MASK				(3 << 1)
869 # define BUS_POSSESSION				(1 << 3)
870 #define INTR_STAT_REG			0xb004
871 #define RX_SOT_ERROR				(1 << 0)
872 #define RX_SOT_SYNC_ERROR			(1 << 1)
873 #define RX_ESCAPE_MODE_ENTRY_ERROR		(1 << 3)
874 #define RX_LP_TX_SYNC_ERROR			(1 << 4)
875 #define RX_HS_RECEIVE_TIMEOUT_ERROR		(1 << 5)
876 #define RX_FALSE_CONTROL_ERROR			(1 << 6)
877 #define RX_ECC_SINGLE_BIT_ERROR			(1 << 7)
878 #define RX_ECC_MULTI_BIT_ERROR			(1 << 8)
879 #define RX_CHECKSUM_ERROR			(1 << 9)
880 #define RX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 10)
881 #define RX_DSI_VC_ID_INVALID			(1 << 11)
882 #define TX_FALSE_CONTROL_ERROR			(1 << 12)
883 #define TX_ECC_SINGLE_BIT_ERROR			(1 << 13)
884 #define TX_ECC_MULTI_BIT_ERROR			(1 << 14)
885 #define TX_CHECKSUM_ERROR			(1 << 15)
886 #define TX_DSI_DATA_TYPE_NOT_RECOGNIZED		(1 << 16)
887 #define TX_DSI_VC_ID_INVALID			(1 << 17)
888 #define HIGH_CONTENTION				(1 << 18)
889 #define LOW_CONTENTION				(1 << 19)
890 #define DPI_FIFO_UNDER_RUN			(1 << 20)
891 #define HS_TX_TIMEOUT				(1 << 21)
892 #define LP_RX_TIMEOUT				(1 << 22)
893 #define TURN_AROUND_ACK_TIMEOUT			(1 << 23)
894 #define ACK_WITH_NO_ERROR			(1 << 24)
895 #define HS_GENERIC_WR_FIFO_FULL			(1 << 27)
896 #define LP_GENERIC_WR_FIFO_FULL			(1 << 28)
897 #define SPL_PKT_SENT				(1 << 30)
898 #define INTR_EN_REG			0xb008
899 #define DSI_FUNC_PRG_REG		0xb00c
900 #define DPI_CHANNEL_NUMBER_POS			0x03
901 #define DBI_CHANNEL_NUMBER_POS			0x05
902 #define FMT_DPI_POS				0x07
903 #define FMT_DBI_POS				0x0A
904 #define DBI_DATA_WIDTH_POS			0x0D
905 
906 /* DPI PIXEL FORMATS */
907 #define RGB_565_FMT				0x01	/* RGB 565 FORMAT */
908 #define RGB_666_FMT				0x02	/* RGB 666 FORMAT */
909 #define LRGB_666_FMT				0x03	/* RGB LOOSELY PACKED
910 							 * 666 FORMAT
911 							 */
912 #define RGB_888_FMT				0x04	/* RGB 888 FORMAT */
913 #define VIRTUAL_CHANNEL_NUMBER_0		0x00	/* Virtual channel 0 */
914 #define VIRTUAL_CHANNEL_NUMBER_1		0x01	/* Virtual channel 1 */
915 #define VIRTUAL_CHANNEL_NUMBER_2		0x02	/* Virtual channel 2 */
916 #define VIRTUAL_CHANNEL_NUMBER_3		0x03	/* Virtual channel 3 */
917 
918 #define DBI_NOT_SUPPORTED			0x00	/* command mode
919 							 * is not supported
920 							 */
921 #define DBI_DATA_WIDTH_16BIT			0x01	/* 16 bit data */
922 #define DBI_DATA_WIDTH_9BIT			0x02	/* 9 bit data */
923 #define DBI_DATA_WIDTH_8BIT			0x03	/* 8 bit data */
924 #define DBI_DATA_WIDTH_OPT1			0x04	/* option 1 */
925 #define DBI_DATA_WIDTH_OPT2			0x05	/* option 2 */
926 
927 #define HS_TX_TIMEOUT_REG		0xb010
928 #define LP_RX_TIMEOUT_REG		0xb014
929 #define TURN_AROUND_TIMEOUT_REG		0xb018
930 #define DEVICE_RESET_REG		0xb01C
931 #define DPI_RESOLUTION_REG		0xb020
932 #define RES_V_POS				0x10
933 #define DBI_RESOLUTION_REG		0xb024 /* Reserved for MDFLD */
934 #define HORIZ_SYNC_PAD_COUNT_REG	0xb028
935 #define HORIZ_BACK_PORCH_COUNT_REG	0xb02C
936 #define HORIZ_FRONT_PORCH_COUNT_REG	0xb030
937 #define HORIZ_ACTIVE_AREA_COUNT_REG	0xb034
938 #define VERT_SYNC_PAD_COUNT_REG		0xb038
939 #define VERT_BACK_PORCH_COUNT_REG	0xb03c
940 #define VERT_FRONT_PORCH_COUNT_REG	0xb040
941 #define HIGH_LOW_SWITCH_COUNT_REG	0xb044
942 #define DPI_CONTROL_REG			0xb048
943 #define DPI_SHUT_DOWN				(1 << 0)
944 #define DPI_TURN_ON				(1 << 1)
945 #define DPI_COLOR_MODE_ON			(1 << 2)
946 #define DPI_COLOR_MODE_OFF			(1 << 3)
947 #define DPI_BACK_LIGHT_ON			(1 << 4)
948 #define DPI_BACK_LIGHT_OFF			(1 << 5)
949 #define DPI_LP					(1 << 6)
950 #define DPI_DATA_REG			0xb04c
951 #define DPI_BACK_LIGHT_ON_DATA			0x07
952 #define DPI_BACK_LIGHT_OFF_DATA			0x17
953 #define INIT_COUNT_REG			0xb050
954 #define MAX_RET_PAK_REG			0xb054
955 #define VIDEO_FMT_REG			0xb058
956 #define COMPLETE_LAST_PCKT			(1 << 2)
957 #define EOT_DISABLE_REG			0xb05c
958 #define ENABLE_CLOCK_STOPPING			(1 << 1)
959 #define LP_BYTECLK_REG			0xb060
960 #define LP_GEN_DATA_REG			0xb064
961 #define HS_GEN_DATA_REG			0xb068
962 #define LP_GEN_CTRL_REG			0xb06C
963 #define HS_GEN_CTRL_REG			0xb070
964 #define DCS_CHANNEL_NUMBER_POS		0x6
965 #define MCS_COMMANDS_POS		0x8
966 #define WORD_COUNTS_POS			0x8
967 #define MCS_PARAMETER_POS			0x10
968 #define GEN_FIFO_STAT_REG		0xb074
969 #define HS_DATA_FIFO_FULL			(1 << 0)
970 #define HS_DATA_FIFO_HALF_EMPTY			(1 << 1)
971 #define HS_DATA_FIFO_EMPTY			(1 << 2)
972 #define LP_DATA_FIFO_FULL			(1 << 8)
973 #define LP_DATA_FIFO_HALF_EMPTY			(1 << 9)
974 #define LP_DATA_FIFO_EMPTY			(1 << 10)
975 #define HS_CTRL_FIFO_FULL			(1 << 16)
976 #define HS_CTRL_FIFO_HALF_EMPTY			(1 << 17)
977 #define HS_CTRL_FIFO_EMPTY			(1 << 18)
978 #define LP_CTRL_FIFO_FULL			(1 << 24)
979 #define LP_CTRL_FIFO_HALF_EMPTY			(1 << 25)
980 #define LP_CTRL_FIFO_EMPTY			(1 << 26)
981 #define DBI_FIFO_EMPTY				(1 << 27)
982 #define DPI_FIFO_EMPTY				(1 << 28)
983 #define HS_LS_DBI_ENABLE_REG		0xb078
984 #define TXCLKESC_REG			0xb07c
985 #define DPHY_PARAM_REG			0xb080
986 #define DBI_BW_CTRL_REG			0xb084
987 #define CLK_LANE_SWT_REG		0xb088
988 
989 /*
990  * MIPI Adapter registers
991  */
992 #define MIPI_CONTROL_REG		0xb104
993 #define MIPI_2X_CLOCK_BITS			((1 << 0) | (1 << 1))
994 #define MIPI_DATA_ADDRESS_REG		0xb108
995 #define MIPI_DATA_LENGTH_REG		0xb10C
996 #define MIPI_COMMAND_ADDRESS_REG	0xb110
997 #define MIPI_COMMAND_LENGTH_REG		0xb114
998 #define MIPI_READ_DATA_RETURN_REG0	0xb118
999 #define MIPI_READ_DATA_RETURN_REG1	0xb11C
1000 #define MIPI_READ_DATA_RETURN_REG2	0xb120
1001 #define MIPI_READ_DATA_RETURN_REG3	0xb124
1002 #define MIPI_READ_DATA_RETURN_REG4	0xb128
1003 #define MIPI_READ_DATA_RETURN_REG5	0xb12C
1004 #define MIPI_READ_DATA_RETURN_REG6	0xb130
1005 #define MIPI_READ_DATA_RETURN_REG7	0xb134
1006 #define MIPI_READ_DATA_VALID_REG	0xb138
1007 
1008 /* DBI COMMANDS */
1009 #define soft_reset			0x01
1010 /*
1011  *	The display module performs a software reset.
1012  *	Registers are written with their SW Reset default values.
1013  */
1014 #define get_power_mode			0x0a
1015 /*
1016  *	The display module returns the current power mode
1017  */
1018 #define get_address_mode		0x0b
1019 /*
1020  *	The display module returns the current status.
1021  */
1022 #define get_pixel_format		0x0c
1023 /*
1024  *	This command gets the pixel format for the RGB image data
1025  *	used by the interface.
1026  */
1027 #define get_display_mode		0x0d
1028 /*
1029  *	The display module returns the Display Image Mode status.
1030  */
1031 #define get_signal_mode			0x0e
1032 /*
1033  *	The display module returns the Display Signal Mode.
1034  */
1035 #define get_diagnostic_result		0x0f
1036 /*
1037  *	The display module returns the self-diagnostic results following
1038  *	a Sleep Out command.
1039  */
1040 #define enter_sleep_mode		0x10
1041 /*
1042  *	This command causes the display module to enter the Sleep mode.
1043  *	In this mode, all unnecessary blocks inside the display module are
1044  *	disabled except interface communication. This is the lowest power
1045  *	mode the display module supports.
1046  */
1047 #define exit_sleep_mode			0x11
1048 /*
1049  *	This command causes the display module to exit Sleep mode.
1050  *	All blocks inside the display module are enabled.
1051  */
1052 #define enter_partial_mode		0x12
1053 /*
1054  *	This command causes the display module to enter the Partial Display
1055  *	Mode. The Partial Display Mode window is described by the
1056  *	set_partial_area command.
1057  */
1058 #define enter_normal_mode		0x13
1059 /*
1060  *	This command causes the display module to enter the Normal mode.
1061  *	Normal Mode is defined as Partial Display mode and Scroll mode are off
1062  */
1063 #define exit_invert_mode		0x20
1064 /*
1065  *	This command causes the display module to stop inverting the image
1066  *	data on the display device. The frame memory contents remain unchanged.
1067  *	No status bits are changed.
1068  */
1069 #define enter_invert_mode		0x21
1070 /*
1071  *	This command causes the display module to invert the image data only on
1072  *	the display device. The frame memory contents remain unchanged.
1073  *	No status bits are changed.
1074  */
1075 #define set_gamma_curve			0x26
1076 /*
1077  *	This command selects the desired gamma curve for the display device.
1078  *	Four fixed gamma curves are defined in section DCS spec.
1079  */
1080 #define set_display_off			0x28
1081 /* ************************************************************************* *\
1082 This command causes the display module to stop displaying the image data
1083 on the display device. The frame memory contents remain unchanged.
1084 No status bits are changed.
1085 \* ************************************************************************* */
1086 #define set_display_on			0x29
1087 /* ************************************************************************* *\
1088 This command causes the display module to start displaying the image data
1089 on the display device. The frame memory contents remain unchanged.
1090 No status bits are changed.
1091 \* ************************************************************************* */
1092 #define set_column_address		0x2a
1093 /*
1094  *	This command defines the column extent of the frame memory accessed by
1095  *	the hostprocessor with the read_memory_continue and
1096  *	write_memory_continue commands.
1097  *	No status bits are changed.
1098  */
1099 #define set_page_addr			0x2b
1100 /*
1101  *	This command defines the page extent of the frame memory accessed by
1102  *	the host processor with the write_memory_continue and
1103  *	read_memory_continue command.
1104  *	No status bits are changed.
1105  */
1106 #define write_mem_start			0x2c
1107 /*
1108  *	This command transfers image data from the host processor to the
1109  *	display modules frame memory starting at the pixel location specified
1110  *	by preceding set_column_address and set_page_address commands.
1111  */
1112 #define set_partial_area		0x30
1113 /*
1114  *	This command defines the Partial Display mode s display area.
1115  *	There are two parameters associated with this command, the first
1116  *	defines the Start Row (SR) and the second the End Row (ER). SR and ER
1117  *	refer to the Frame Memory Line Pointer.
1118  */
1119 #define set_scroll_area			0x33
1120 /*
1121  *	This command defines the display modules Vertical Scrolling Area.
1122  */
1123 #define set_tear_off			0x34
1124 /*
1125  *	This command turns off the display modules Tearing Effect output
1126  *	signal on the TE signal line.
1127  */
1128 #define set_tear_on			0x35
1129 /*
1130  *	This command turns on the display modules Tearing Effect output signal
1131  *	on the TE signal line.
1132  */
1133 #define set_address_mode		0x36
1134 /*
1135  *	This command sets the data order for transfers from the host processor
1136  *	to display modules frame memory,bits B[7:5] and B3, and from the
1137  *	display modules frame memory to the display device, bits B[2:0] and B4.
1138  */
1139 #define set_scroll_start		0x37
1140 /*
1141  *	This command sets the start of the vertical scrolling area in the frame
1142  *	memory. The vertical scrolling area is fully defined when this command
1143  *	is used with the set_scroll_area command The set_scroll_start command
1144  *	has one parameter, the Vertical Scroll Pointer. The VSP defines the
1145  *	line in the frame memory that is written to the display device as the
1146  *	first line of the vertical scroll area.
1147  */
1148 #define exit_idle_mode			0x38
1149 /*
1150  *	This command causes the display module to exit Idle mode.
1151  */
1152 #define enter_idle_mode			0x39
1153 /*
1154  *	This command causes the display module to enter Idle Mode.
1155  *	In Idle Mode, color expression is reduced. Colors are shown on the
1156  *	display device using the MSB of each of the R, G and B color
1157  *	components in the frame memory
1158  */
1159 #define set_pixel_format		0x3a
1160 /*
1161  *	This command sets the pixel format for the RGB image data used by the
1162  *	interface.
1163  *	Bits D[6:4]  DPI Pixel Format Definition
1164  *	Bits D[2:0]  DBI Pixel Format Definition
1165  *	Bits D7 and D3 are not used.
1166  */
1167 #define DCS_PIXEL_FORMAT_3bpp		0x1
1168 #define DCS_PIXEL_FORMAT_8bpp		0x2
1169 #define DCS_PIXEL_FORMAT_12bpp		0x3
1170 #define DCS_PIXEL_FORMAT_16bpp		0x5
1171 #define DCS_PIXEL_FORMAT_18bpp		0x6
1172 #define DCS_PIXEL_FORMAT_24bpp		0x7
1173 
1174 #define write_mem_cont			0x3c
1175 
1176 /*
1177  *	This command transfers image data from the host processor to the
1178  *	display module's frame memory continuing from the pixel location
1179  *	following the previous write_memory_continue or write_memory_start
1180  *	command.
1181  */
1182 #define set_tear_scanline		0x44
1183 /*
1184  *	This command turns on the display modules Tearing Effect output signal
1185  *	on the TE signal line when the display module reaches line N.
1186  */
1187 #define get_scanline			0x45
1188 /*
1189  *	The display module returns the current scanline, N, used to update the
1190  *	 display device. The total number of scanlines on a display device is
1191  *	defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
1192  *	the first line of V Sync and is denoted as Line 0.
1193  *	When in Sleep Mode, the value returned by get_scanline is undefined.
1194  */
1195 
1196 /* MCS or Generic COMMANDS */
1197 /* MCS/generic data type */
1198 #define GEN_SHORT_WRITE_0	0x03  /* generic short write, no parameters */
1199 #define GEN_SHORT_WRITE_1	0x13  /* generic short write, 1 parameters */
1200 #define GEN_SHORT_WRITE_2	0x23  /* generic short write, 2 parameters */
1201 #define GEN_READ_0		0x04  /* generic read, no parameters */
1202 #define GEN_READ_1		0x14  /* generic read, 1 parameters */
1203 #define GEN_READ_2		0x24  /* generic read, 2 parameters */
1204 #define GEN_LONG_WRITE		0x29  /* generic long write */
1205 #define MCS_SHORT_WRITE_0	0x05  /* MCS short write, no parameters */
1206 #define MCS_SHORT_WRITE_1	0x15  /* MCS short write, 1 parameters */
1207 #define MCS_READ		0x06  /* MCS read, no parameters */
1208 #define MCS_LONG_WRITE		0x39  /* MCS long write */
1209 /* MCS/generic commands */
1210 /* TPO MCS */
1211 #define write_display_profile		0x50
1212 #define write_display_brightness	0x51
1213 #define write_ctrl_display		0x53
1214 #define write_ctrl_cabc			0x55
1215   #define UI_IMAGE		0x01
1216   #define STILL_IMAGE		0x02
1217   #define MOVING_IMAGE		0x03
1218 #define write_hysteresis		0x57
1219 #define write_gamma_setting		0x58
1220 #define write_cabc_min_bright		0x5e
1221 #define write_kbbc_profile		0x60
1222 /* TMD MCS */
1223 #define tmd_write_display_brightness 0x8c
1224 
1225 /*
1226  *	This command is used to control ambient light, panel backlight
1227  *	brightness and gamma settings.
1228  */
1229 #define BRIGHT_CNTL_BLOCK_ON	(1 << 5)
1230 #define AMBIENT_LIGHT_SENSE_ON	(1 << 4)
1231 #define DISPLAY_DIMMING_ON	(1 << 3)
1232 #define BACKLIGHT_ON		(1 << 2)
1233 #define DISPLAY_BRIGHTNESS_AUTO	(1 << 1)
1234 #define GAMMA_AUTO		(1 << 0)
1235 
1236 /* DCS Interface Pixel Formats */
1237 #define DCS_PIXEL_FORMAT_3BPP	0x1
1238 #define DCS_PIXEL_FORMAT_8BPP	0x2
1239 #define DCS_PIXEL_FORMAT_12BPP	0x3
1240 #define DCS_PIXEL_FORMAT_16BPP	0x5
1241 #define DCS_PIXEL_FORMAT_18BPP	0x6
1242 #define DCS_PIXEL_FORMAT_24BPP	0x7
1243 /* ONE PARAMETER READ DATA */
1244 #define addr_mode_data		0xfc
1245 #define diag_res_data		0x00
1246 #define disp_mode_data		0x23
1247 #define pxl_fmt_data		0x77
1248 #define pwr_mode_data		0x74
1249 #define sig_mode_data		0x00
1250 /* TWO PARAMETERS READ DATA */
1251 #define scanline_data1		0xff
1252 #define scanline_data2		0xff
1253 #define NON_BURST_MODE_SYNC_PULSE	0x01	/* Non Burst Mode
1254 						 * with Sync Pulse
1255 						 */
1256 #define NON_BURST_MODE_SYNC_EVENTS	0x02	/* Non Burst Mode
1257 						 * with Sync events
1258 						 */
1259 #define BURST_MODE			0x03	/* Burst Mode */
1260 #define DBI_COMMAND_BUFFER_SIZE		0x240   /* 0x32 */    /* 0x120 */
1261 						/* Allocate at least
1262 						 * 0x100 Byte with 32
1263 						 * byte alignment
1264 						 */
1265 #define DBI_DATA_BUFFER_SIZE		0x120	/* Allocate at least
1266 						 * 0x100 Byte with 32
1267 						 * byte alignment
1268 						 */
1269 #define DBI_CB_TIME_OUT			0xFFFF
1270 
1271 #define GEN_FB_TIME_OUT			2000
1272 
1273 #define SKU_83				0x01
1274 #define SKU_100				0x02
1275 #define SKU_100L			0x04
1276 #define SKU_BYPASS			0x08
1277 
1278 /* Some handy macros for playing with bitfields. */
1279 #define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
1280 #define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
1281 #define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
1282 
1283 #define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
1284 
1285 /* PCI config space */
1286 
1287 #define SB_PCKT         0x02100 /* cedarview */
1288 # define SB_OPCODE_MASK                         PSB_MASK(31, 16)
1289 # define SB_OPCODE_SHIFT                        16
1290 # define SB_OPCODE_READ                         0
1291 # define SB_OPCODE_WRITE                        1
1292 # define SB_DEST_MASK                           PSB_MASK(15, 8)
1293 # define SB_DEST_SHIFT                          8
1294 # define SB_DEST_DPLL                           0x88
1295 # define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
1296 # define SB_BYTE_ENABLE_SHIFT                   4
1297 # define SB_BUSY                                (1 << 0)
1298 
1299 #define DSPCLK_GATE_D		0x6200
1300 # define VRHUNIT_CLOCK_GATE_DISABLE		(1 << 28) /* Fixed value on CDV */
1301 # define DPOUNIT_CLOCK_GATE_DISABLE		(1 << 11)
1302 # define DPIOUNIT_CLOCK_GATE_DISABLE		(1 << 6)
1303 # define DPUNIT_PIPEB_GATE_DISABLE		(1 << 30)
1304 # define DPUNIT_PIPEA_GATE_DISABLE		(1 << 25)
1305 # define DPCUNIT_CLOCK_GATE_DISABLE		(1 << 24)
1306 # define DPLSUNIT_CLOCK_GATE_DISABLE		(1 << 13)
1307 
1308 #define RAMCLK_GATE_D		0x6210
1309 
1310 /* 32-bit value read/written from the DPIO reg. */
1311 #define SB_DATA		0x02104 /* cedarview */
1312 /* 32-bit address of the DPIO reg to be read/written. */
1313 #define SB_ADDR		0x02108 /* cedarview */
1314 #define DPIO_CFG	0x02110 /* cedarview */
1315 # define DPIO_MODE_SELECT_1			(1 << 3)
1316 # define DPIO_MODE_SELECT_0			(1 << 2)
1317 # define DPIO_SFR_BYPASS			(1 << 1)
1318 /* reset is active low */
1319 # define DPIO_CMN_RESET_N			(1 << 0)
1320 
1321 /* Cedarview sideband registers */
1322 #define _SB_M_A			0x8008
1323 #define _SB_M_B			0x8028
1324 #define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
1325 # define SB_M_DIVIDER_MASK			(0xFF << 24)
1326 # define SB_M_DIVIDER_SHIFT			24
1327 
1328 #define _SB_N_VCO_A		0x8014
1329 #define _SB_N_VCO_B		0x8034
1330 #define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
1331 #define SB_N_VCO_SEL_MASK			PSB_MASK(31, 30)
1332 #define SB_N_VCO_SEL_SHIFT			30
1333 #define SB_N_DIVIDER_MASK			PSB_MASK(29, 26)
1334 #define SB_N_DIVIDER_SHIFT			26
1335 #define SB_N_CB_TUNE_MASK			PSB_MASK(25, 24)
1336 #define SB_N_CB_TUNE_SHIFT			24
1337 
1338 /* the bit 14:13 is used to select between the different reference clock for Pipe A/B */
1339 #define SB_REF_DPLLA		0x8010
1340 #define SB_REF_DPLLB		0x8030
1341 #define	REF_CLK_MASK		(0x3 << 13)
1342 #define REF_CLK_CORE		(0 << 13)
1343 #define REF_CLK_DPLL		(1 << 13)
1344 #define REF_CLK_DPLLA		(2 << 13)
1345 /* For the DPLL B, it will use the reference clk from DPLL A when using (2 << 13) */
1346 
1347 #define _SB_REF_A		0x8018
1348 #define _SB_REF_B		0x8038
1349 #define SB_REF_SFR(pipe)	_PIPE(pipe, _SB_REF_A, _SB_REF_B)
1350 
1351 #define _SB_P_A			0x801c
1352 #define _SB_P_B			0x803c
1353 #define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
1354 #define SB_P2_DIVIDER_MASK			PSB_MASK(31, 30)
1355 #define SB_P2_DIVIDER_SHIFT			30
1356 #define SB_P2_10				0 /* HDMI, DP, DAC */
1357 #define SB_P2_5				1 /* DAC */
1358 #define SB_P2_14				2 /* LVDS single */
1359 #define SB_P2_7				3 /* LVDS double */
1360 #define SB_P1_DIVIDER_MASK			PSB_MASK(15, 12)
1361 #define SB_P1_DIVIDER_SHIFT			12
1362 
1363 #define PSB_LANE0		0x120
1364 #define PSB_LANE1		0x220
1365 #define PSB_LANE2		0x2320
1366 #define PSB_LANE3		0x2420
1367 
1368 #define LANE_PLL_MASK		(0x7 << 20)
1369 #define LANE_PLL_ENABLE		(0x3 << 20)
1370 #define LANE_PLL_PIPE(p)	(((p) == 0) ? (1 << 21) : (0 << 21))
1371 
1372 #define DP_B				0x64100
1373 #define DP_C				0x64200
1374 
1375 #define   DP_PORT_EN			(1 << 31)
1376 #define   DP_PIPEB_SELECT		(1 << 30)
1377 #define   DP_PIPE_MASK			(1 << 30)
1378 
1379 /* Link training mode - select a suitable mode for each stage */
1380 #define   DP_LINK_TRAIN_PAT_1		(0 << 28)
1381 #define   DP_LINK_TRAIN_PAT_2		(1 << 28)
1382 #define   DP_LINK_TRAIN_PAT_IDLE	(2 << 28)
1383 #define   DP_LINK_TRAIN_OFF		(3 << 28)
1384 #define   DP_LINK_TRAIN_MASK		(3 << 28)
1385 #define   DP_LINK_TRAIN_SHIFT		28
1386 
1387 /* Signal voltages. These are mostly controlled by the other end */
1388 #define   DP_VOLTAGE_0_4		(0 << 25)
1389 #define   DP_VOLTAGE_0_6		(1 << 25)
1390 #define   DP_VOLTAGE_0_8		(2 << 25)
1391 #define   DP_VOLTAGE_1_2		(3 << 25)
1392 #define   DP_VOLTAGE_MASK		(7 << 25)
1393 #define   DP_VOLTAGE_SHIFT		25
1394 
1395 /* Signal pre-emphasis levels, like voltages, the other end tells us what
1396  * they want
1397  */
1398 #define   DP_PRE_EMPHASIS_0		(0 << 22)
1399 #define   DP_PRE_EMPHASIS_3_5		(1 << 22)
1400 #define   DP_PRE_EMPHASIS_6		(2 << 22)
1401 #define   DP_PRE_EMPHASIS_9_5		(3 << 22)
1402 #define   DP_PRE_EMPHASIS_MASK		(7 << 22)
1403 #define   DP_PRE_EMPHASIS_SHIFT		22
1404 
1405 /* How many wires to use. I guess 3 was too hard */
1406 #define   DP_PORT_WIDTH_1		(0 << 19)
1407 #define   DP_PORT_WIDTH_2		(1 << 19)
1408 #define   DP_PORT_WIDTH_4		(3 << 19)
1409 #define   DP_PORT_WIDTH_MASK		(7 << 19)
1410 
1411 /* Mystic DPCD version 1.1 special mode */
1412 #define   DP_ENHANCED_FRAMING		(1 << 18)
1413 
1414 /** locked once port is enabled */
1415 #define   DP_PORT_REVERSAL		(1 << 15)
1416 
1417 /** sends the clock on lane 15 of the PEG for debug */
1418 #define   DP_CLOCK_OUTPUT_ENABLE	(1 << 13)
1419 
1420 #define   DP_SCRAMBLING_DISABLE		(1 << 12)
1421 #define   DP_SCRAMBLING_DISABLE_IRONLAKE	(1 << 7)
1422 
1423 /** limit RGB values to avoid confusing TVs */
1424 #define   DP_COLOR_RANGE_16_235		(1 << 8)
1425 
1426 /** Turn on the audio link */
1427 #define   DP_AUDIO_OUTPUT_ENABLE	(1 << 6)
1428 
1429 /** vs and hs sync polarity */
1430 #define   DP_SYNC_VS_HIGH		(1 << 4)
1431 #define   DP_SYNC_HS_HIGH		(1 << 3)
1432 
1433 /** A fantasy */
1434 #define   DP_DETECTED			(1 << 2)
1435 
1436 /** The aux channel provides a way to talk to the
1437  * signal sink for DDC etc. Max packet size supported
1438  * is 20 bytes in each direction, hence the 5 fixed
1439  * data registers
1440  */
1441 #define DPB_AUX_CH_CTL			0x64110
1442 #define DPB_AUX_CH_DATA1		0x64114
1443 #define DPB_AUX_CH_DATA2		0x64118
1444 #define DPB_AUX_CH_DATA3		0x6411c
1445 #define DPB_AUX_CH_DATA4		0x64120
1446 #define DPB_AUX_CH_DATA5		0x64124
1447 
1448 #define DPC_AUX_CH_CTL			0x64210
1449 #define DPC_AUX_CH_DATA1		0x64214
1450 #define DPC_AUX_CH_DATA2		0x64218
1451 #define DPC_AUX_CH_DATA3		0x6421c
1452 #define DPC_AUX_CH_DATA4		0x64220
1453 #define DPC_AUX_CH_DATA5		0x64224
1454 
1455 #define   DP_AUX_CH_CTL_SEND_BUSY	    (1 << 31)
1456 #define   DP_AUX_CH_CTL_DONE		    (1 << 30)
1457 #define   DP_AUX_CH_CTL_INTERRUPT	    (1 << 29)
1458 #define   DP_AUX_CH_CTL_TIME_OUT_ERROR	    (1 << 28)
1459 #define   DP_AUX_CH_CTL_TIME_OUT_400us	    (0 << 26)
1460 #define   DP_AUX_CH_CTL_TIME_OUT_600us	    (1 << 26)
1461 #define   DP_AUX_CH_CTL_TIME_OUT_800us	    (2 << 26)
1462 #define   DP_AUX_CH_CTL_TIME_OUT_1600us	    (3 << 26)
1463 #define   DP_AUX_CH_CTL_TIME_OUT_MASK	    (3 << 26)
1464 #define   DP_AUX_CH_CTL_RECEIVE_ERROR	    (1 << 25)
1465 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
1466 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT   20
1467 #define   DP_AUX_CH_CTL_PRECHARGE_2US_MASK   (0xf << 16)
1468 #define   DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT  16
1469 #define   DP_AUX_CH_CTL_AUX_AKSV_SELECT	    (1 << 15)
1470 #define   DP_AUX_CH_CTL_MANCHESTER_TEST	    (1 << 14)
1471 #define   DP_AUX_CH_CTL_SYNC_TEST	    (1 << 13)
1472 #define   DP_AUX_CH_CTL_DEGLITCH_TEST	    (1 << 12)
1473 #define   DP_AUX_CH_CTL_PRECHARGE_TEST	    (1 << 11)
1474 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
1475 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT   0
1476 
1477 /*
1478  * Computing GMCH M and N values for the Display Port link
1479  *
1480  * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
1481  *
1482  * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
1483  *
1484  * The GMCH value is used internally
1485  *
1486  * bytes_per_pixel is the number of bytes coming out of the plane,
1487  * which is after the LUTs, so we want the bytes for our color format.
1488  * For our current usage, this is always 3, one byte for R, G and B.
1489  */
1490 
1491 #define _PIPEA_GMCH_DATA_M			0x70050
1492 #define _PIPEB_GMCH_DATA_M			0x71050
1493 
1494 /* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
1495 #define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
1496 #define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT	25
1497 
1498 #define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
1499 
1500 #define _PIPEA_GMCH_DATA_N			0x70054
1501 #define _PIPEB_GMCH_DATA_N			0x71054
1502 #define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
1503 
1504 /*
1505  * Computing Link M and N values for the Display Port link
1506  *
1507  * Link M / N = pixel_clock / ls_clk
1508  *
1509  * (the DP spec calls pixel_clock the 'strm_clk')
1510  *
1511  * The Link value is transmitted in the Main Stream
1512  * Attributes and VB-ID.
1513  */
1514 
1515 #define _PIPEA_DP_LINK_M				0x70060
1516 #define _PIPEB_DP_LINK_M				0x71060
1517 #define   PIPEA_DP_LINK_M_MASK			(0xffffff)
1518 
1519 #define _PIPEA_DP_LINK_N				0x70064
1520 #define _PIPEB_DP_LINK_N				0x71064
1521 #define   PIPEA_DP_LINK_N_MASK			(0xffffff)
1522 
1523 #define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
1524 #define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
1525 #define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
1526 #define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
1527 
1528 #define   PIPE_BPC_MASK				(7 << 5)
1529 #define   PIPE_8BPC				(0 << 5)
1530 #define   PIPE_10BPC				(1 << 5)
1531 #define   PIPE_6BPC				(2 << 5)
1532 
1533 #endif
1534