1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3  */
4 
5 #ifndef _DPU_HW_MDSS_H
6 #define _DPU_HW_MDSS_H
7 
8 #include <linux/kernel.h>
9 #include <linux/err.h>
10 
11 #include "msm_drv.h"
12 
13 #define DPU_DBG_NAME			"dpu"
14 
15 #define DPU_NONE                        0
16 
17 #ifndef DPU_CSC_MATRIX_COEFF_SIZE
18 #define DPU_CSC_MATRIX_COEFF_SIZE	9
19 #endif
20 
21 #ifndef DPU_CSC_CLAMP_SIZE
22 #define DPU_CSC_CLAMP_SIZE		6
23 #endif
24 
25 #ifndef DPU_CSC_BIAS_SIZE
26 #define DPU_CSC_BIAS_SIZE		3
27 #endif
28 
29 #ifndef DPU_MAX_PLANES
30 #define DPU_MAX_PLANES			4
31 #endif
32 
33 #define PIPES_PER_STAGE			2
34 #ifndef DPU_MAX_DE_CURVES
35 #define DPU_MAX_DE_CURVES		3
36 #endif
37 
38 enum dpu_format_flags {
39 	DPU_FORMAT_FLAG_YUV_BIT,
40 	DPU_FORMAT_FLAG_DX_BIT,
41 	DPU_FORMAT_FLAG_COMPRESSED_BIT,
42 	DPU_FORMAT_FLAG_BIT_MAX,
43 };
44 
45 #define DPU_FORMAT_FLAG_YUV		BIT(DPU_FORMAT_FLAG_YUV_BIT)
46 #define DPU_FORMAT_FLAG_DX		BIT(DPU_FORMAT_FLAG_DX_BIT)
47 #define DPU_FORMAT_FLAG_COMPRESSED	BIT(DPU_FORMAT_FLAG_COMPRESSED_BIT)
48 #define DPU_FORMAT_IS_YUV(X)		\
49 	(test_bit(DPU_FORMAT_FLAG_YUV_BIT, (X)->flag))
50 #define DPU_FORMAT_IS_DX(X)		\
51 	(test_bit(DPU_FORMAT_FLAG_DX_BIT, (X)->flag))
52 #define DPU_FORMAT_IS_LINEAR(X)		((X)->fetch_mode == DPU_FETCH_LINEAR)
53 #define DPU_FORMAT_IS_TILE(X) \
54 	(((X)->fetch_mode == DPU_FETCH_UBWC) && \
55 			!test_bit(DPU_FORMAT_FLAG_COMPRESSED_BIT, (X)->flag))
56 #define DPU_FORMAT_IS_UBWC(X) \
57 	(((X)->fetch_mode == DPU_FETCH_UBWC) && \
58 			test_bit(DPU_FORMAT_FLAG_COMPRESSED_BIT, (X)->flag))
59 
60 #define DPU_BLEND_FG_ALPHA_FG_CONST	(0 << 0)
61 #define DPU_BLEND_FG_ALPHA_BG_CONST	(1 << 0)
62 #define DPU_BLEND_FG_ALPHA_FG_PIXEL	(2 << 0)
63 #define DPU_BLEND_FG_ALPHA_BG_PIXEL	(3 << 0)
64 #define DPU_BLEND_FG_INV_ALPHA		(1 << 2)
65 #define DPU_BLEND_FG_MOD_ALPHA		(1 << 3)
66 #define DPU_BLEND_FG_INV_MOD_ALPHA	(1 << 4)
67 #define DPU_BLEND_FG_TRANSP_EN		(1 << 5)
68 #define DPU_BLEND_BG_ALPHA_FG_CONST	(0 << 8)
69 #define DPU_BLEND_BG_ALPHA_BG_CONST	(1 << 8)
70 #define DPU_BLEND_BG_ALPHA_FG_PIXEL	(2 << 8)
71 #define DPU_BLEND_BG_ALPHA_BG_PIXEL	(3 << 8)
72 #define DPU_BLEND_BG_INV_ALPHA		(1 << 10)
73 #define DPU_BLEND_BG_MOD_ALPHA		(1 << 11)
74 #define DPU_BLEND_BG_INV_MOD_ALPHA	(1 << 12)
75 #define DPU_BLEND_BG_TRANSP_EN		(1 << 13)
76 
77 #define DPU_VSYNC0_SOURCE_GPIO		0
78 #define DPU_VSYNC1_SOURCE_GPIO		1
79 #define DPU_VSYNC2_SOURCE_GPIO		2
80 #define DPU_VSYNC_SOURCE_INTF_0		3
81 #define DPU_VSYNC_SOURCE_INTF_1		4
82 #define DPU_VSYNC_SOURCE_INTF_2		5
83 #define DPU_VSYNC_SOURCE_INTF_3		6
84 #define DPU_VSYNC_SOURCE_WD_TIMER_4	11
85 #define DPU_VSYNC_SOURCE_WD_TIMER_3	12
86 #define DPU_VSYNC_SOURCE_WD_TIMER_2	13
87 #define DPU_VSYNC_SOURCE_WD_TIMER_1	14
88 #define DPU_VSYNC_SOURCE_WD_TIMER_0	15
89 
90 enum dpu_hw_blk_type {
91 	DPU_HW_BLK_TOP = 0,
92 	DPU_HW_BLK_SSPP,
93 	DPU_HW_BLK_LM,
94 	DPU_HW_BLK_CTL,
95 	DPU_HW_BLK_PINGPONG,
96 	DPU_HW_BLK_INTF,
97 	DPU_HW_BLK_WB,
98 	DPU_HW_BLK_DSPP,
99 	DPU_HW_BLK_MERGE_3D,
100 	DPU_HW_BLK_DSC,
101 	DPU_HW_BLK_MAX,
102 };
103 
104 enum dpu_sspp {
105 	SSPP_NONE,
106 	SSPP_VIG0,
107 	SSPP_VIG1,
108 	SSPP_VIG2,
109 	SSPP_VIG3,
110 	SSPP_RGB0,
111 	SSPP_RGB1,
112 	SSPP_RGB2,
113 	SSPP_RGB3,
114 	SSPP_DMA0,
115 	SSPP_DMA1,
116 	SSPP_DMA2,
117 	SSPP_DMA3,
118 	SSPP_DMA4,
119 	SSPP_DMA5,
120 	SSPP_CURSOR0,
121 	SSPP_CURSOR1,
122 	SSPP_MAX
123 };
124 
125 enum dpu_sspp_type {
126 	SSPP_TYPE_VIG,
127 	SSPP_TYPE_RGB,
128 	SSPP_TYPE_DMA,
129 	SSPP_TYPE_CURSOR,
130 	SSPP_TYPE_MAX
131 };
132 
133 enum dpu_lm {
134 	LM_0 = 1,
135 	LM_1,
136 	LM_2,
137 	LM_3,
138 	LM_4,
139 	LM_5,
140 	LM_6,
141 	LM_MAX
142 };
143 
144 enum dpu_stage {
145 	DPU_STAGE_BASE = 0,
146 	DPU_STAGE_0,
147 	DPU_STAGE_1,
148 	DPU_STAGE_2,
149 	DPU_STAGE_3,
150 	DPU_STAGE_4,
151 	DPU_STAGE_5,
152 	DPU_STAGE_6,
153 	DPU_STAGE_7,
154 	DPU_STAGE_8,
155 	DPU_STAGE_9,
156 	DPU_STAGE_10,
157 	DPU_STAGE_MAX
158 };
159 enum dpu_dspp {
160 	DSPP_0 = 1,
161 	DSPP_1,
162 	DSPP_2,
163 	DSPP_3,
164 	DSPP_MAX
165 };
166 
167 enum dpu_ctl {
168 	CTL_0 = 1,
169 	CTL_1,
170 	CTL_2,
171 	CTL_3,
172 	CTL_4,
173 	CTL_5,
174 	CTL_MAX
175 };
176 
177 enum dpu_dsc {
178 	DSC_NONE = 0,
179 	DSC_0,
180 	DSC_1,
181 	DSC_2,
182 	DSC_3,
183 	DSC_4,
184 	DSC_5,
185 	DSC_MAX
186 };
187 
188 enum dpu_pingpong {
189 	PINGPONG_NONE,
190 	PINGPONG_0,
191 	PINGPONG_1,
192 	PINGPONG_2,
193 	PINGPONG_3,
194 	PINGPONG_4,
195 	PINGPONG_5,
196 	PINGPONG_6,
197 	PINGPONG_7,
198 	PINGPONG_S0,
199 	PINGPONG_MAX
200 };
201 
202 enum dpu_merge_3d {
203 	MERGE_3D_0 = 1,
204 	MERGE_3D_1,
205 	MERGE_3D_2,
206 	MERGE_3D_3,
207 	MERGE_3D_MAX
208 };
209 
210 enum dpu_intf {
211 	INTF_0 = 1,
212 	INTF_1,
213 	INTF_2,
214 	INTF_3,
215 	INTF_4,
216 	INTF_5,
217 	INTF_6,
218 	INTF_7,
219 	INTF_8,
220 	INTF_MAX
221 };
222 
223 /*
224  * Historically these values correspond to the values written to the
225  * DISP_INTF_SEL register, which had to programmed manually. On newer MDP
226  * generations this register is NOP, but we keep the values for historical
227  * reasons.
228  */
229 enum dpu_intf_type {
230 	INTF_NONE = 0x0,
231 	INTF_DSI = 0x1,
232 	INTF_HDMI = 0x3,
233 	INTF_LCDC = 0x5,
234 	/* old eDP found on 8x74 and 8x84 */
235 	INTF_EDP = 0x9,
236 	/* both DP and eDP,  handled by the new DP driver */
237 	INTF_DP = 0xa,
238 
239 	/* virtual interfaces */
240 	INTF_WB = 0x100,
241 };
242 
243 enum dpu_intf_mode {
244 	INTF_MODE_NONE = 0,
245 	INTF_MODE_CMD,
246 	INTF_MODE_VIDEO,
247 	INTF_MODE_WB_BLOCK,
248 	INTF_MODE_WB_LINE,
249 	INTF_MODE_MAX
250 };
251 
252 enum dpu_wb {
253 	WB_0 = 1,
254 	WB_1,
255 	WB_2,
256 	WB_3,
257 	WB_MAX
258 };
259 
260 enum dpu_cwb {
261 	CWB_0 = 0x1,
262 	CWB_1,
263 	CWB_2,
264 	CWB_3,
265 	CWB_MAX
266 };
267 
268 enum dpu_wd_timer {
269 	WD_TIMER_0 = 0x1,
270 	WD_TIMER_1,
271 	WD_TIMER_2,
272 	WD_TIMER_3,
273 	WD_TIMER_4,
274 	WD_TIMER_5,
275 	WD_TIMER_MAX
276 };
277 
278 enum dpu_vbif {
279 	VBIF_RT,
280 	VBIF_NRT,
281 	VBIF_MAX,
282 };
283 
284 /**
285  * DPU HW,Component order color map
286  */
287 enum {
288 	C0_G_Y = 0,
289 	C1_B_Cb = 1,
290 	C2_R_Cr = 2,
291 	C3_ALPHA = 3
292 };
293 
294 /**
295  * enum dpu_plane_type - defines how the color component pixel packing
296  * @DPU_PLANE_INTERLEAVED   : Color components in single plane
297  * @DPU_PLANE_PLANAR        : Color component in separate planes
298  * @DPU_PLANE_PSEUDO_PLANAR : Chroma components interleaved in separate plane
299  */
300 enum dpu_plane_type {
301 	DPU_PLANE_INTERLEAVED,
302 	DPU_PLANE_PLANAR,
303 	DPU_PLANE_PSEUDO_PLANAR,
304 };
305 
306 /**
307  * enum dpu_chroma_samp_type - chroma sub-samplng type
308  * @DPU_CHROMA_RGB   : No chroma subsampling
309  * @DPU_CHROMA_H2V1  : Chroma pixels are horizontally subsampled
310  * @DPU_CHROMA_H1V2  : Chroma pixels are vertically subsampled
311  * @DPU_CHROMA_420   : 420 subsampling
312  */
313 enum dpu_chroma_samp_type {
314 	DPU_CHROMA_RGB,
315 	DPU_CHROMA_H2V1,
316 	DPU_CHROMA_H1V2,
317 	DPU_CHROMA_420
318 };
319 
320 /**
321  * dpu_fetch_type - Defines How DPU HW fetches data
322  * @DPU_FETCH_LINEAR   : fetch is line by line
323  * @DPU_FETCH_TILE     : fetches data in Z order from a tile
324  * @DPU_FETCH_UBWC     : fetch and decompress data
325  */
326 enum dpu_fetch_type {
327 	DPU_FETCH_LINEAR,
328 	DPU_FETCH_TILE,
329 	DPU_FETCH_UBWC
330 };
331 
332 /**
333  * Value of enum chosen to fit the number of bits
334  * expected by the HW programming.
335  */
336 enum {
337 	COLOR_ALPHA_1BIT = 0,
338 	COLOR_ALPHA_4BIT = 1,
339 	COLOR_4BIT = 0,
340 	COLOR_5BIT = 1, /* No 5-bit Alpha */
341 	COLOR_6BIT = 2, /* 6-Bit Alpha also = 2 */
342 	COLOR_8BIT = 3, /* 8-Bit Alpha also = 3 */
343 };
344 
345 /**
346  * enum dpu_3d_blend_mode
347  * Desribes how the 3d data is blended
348  * @BLEND_3D_NONE      : 3d blending not enabled
349  * @BLEND_3D_FRAME_INT : Frame interleaving
350  * @BLEND_3D_H_ROW_INT : Horizontal row interleaving
351  * @BLEND_3D_V_ROW_INT : vertical row interleaving
352  * @BLEND_3D_COL_INT   : column interleaving
353  * @BLEND_3D_MAX       :
354  */
355 enum dpu_3d_blend_mode {
356 	BLEND_3D_NONE = 0,
357 	BLEND_3D_FRAME_INT,
358 	BLEND_3D_H_ROW_INT,
359 	BLEND_3D_V_ROW_INT,
360 	BLEND_3D_COL_INT,
361 	BLEND_3D_MAX
362 };
363 
364 /** struct dpu_format - defines the format configuration which
365  * allows DPU HW to correctly fetch and decode the format
366  * @base: base msm_format structure containing fourcc code
367  * @fetch_planes: how the color components are packed in pixel format
368  * @element: element color ordering
369  * @bits: element bit widths
370  * @chroma_sample: chroma sub-samplng type
371  * @unpack_align_msb: unpack aligned, 0 to LSB, 1 to MSB
372  * @unpack_tight: 0 for loose, 1 for tight
373  * @unpack_count: 0 = 1 component, 1 = 2 component
374  * @bpp: bytes per pixel
375  * @alpha_enable: whether the format has an alpha channel
376  * @num_planes: number of planes (including meta data planes)
377  * @fetch_mode: linear, tiled, or ubwc hw fetch behavior
378  * @flag: usage bit flags
379  * @tile_width: format tile width
380  * @tile_height: format tile height
381  */
382 struct dpu_format {
383 	struct msm_format base;
384 	enum dpu_plane_type fetch_planes;
385 	u8 element[DPU_MAX_PLANES];
386 	u8 bits[DPU_MAX_PLANES];
387 	enum dpu_chroma_samp_type chroma_sample;
388 	u8 unpack_align_msb;
389 	u8 unpack_tight;
390 	u8 unpack_count;
391 	u8 bpp;
392 	u8 alpha_enable;
393 	u8 num_planes;
394 	enum dpu_fetch_type fetch_mode;
395 	DECLARE_BITMAP(flag, DPU_FORMAT_FLAG_BIT_MAX);
396 	u16 tile_width;
397 	u16 tile_height;
398 };
399 #define to_dpu_format(x) container_of(x, struct dpu_format, base)
400 
401 /**
402  * struct dpu_hw_fmt_layout - format information of the source pixel data
403  * @format: pixel format parameters
404  * @num_planes: number of planes (including meta data planes)
405  * @width: image width
406  * @height: image height
407  * @total_size: total size in bytes
408  * @plane_addr: address of each plane
409  * @plane_size: length of each plane
410  * @plane_pitch: pitch of each plane
411  */
412 struct dpu_hw_fmt_layout {
413 	const struct dpu_format *format;
414 	uint32_t num_planes;
415 	uint32_t width;
416 	uint32_t height;
417 	uint32_t total_size;
418 	uint32_t plane_addr[DPU_MAX_PLANES];
419 	uint32_t plane_size[DPU_MAX_PLANES];
420 	uint32_t plane_pitch[DPU_MAX_PLANES];
421 };
422 
423 struct dpu_csc_cfg {
424 	/* matrix coefficients in S15.16 format */
425 	uint32_t csc_mv[DPU_CSC_MATRIX_COEFF_SIZE];
426 	uint32_t csc_pre_bv[DPU_CSC_BIAS_SIZE];
427 	uint32_t csc_post_bv[DPU_CSC_BIAS_SIZE];
428 	uint32_t csc_pre_lv[DPU_CSC_CLAMP_SIZE];
429 	uint32_t csc_post_lv[DPU_CSC_CLAMP_SIZE];
430 };
431 
432 /**
433  * struct dpu_mdss_color - mdss color description
434  * color 0 : green
435  * color 1 : blue
436  * color 2 : red
437  * color 3 : alpha
438  */
439 struct dpu_mdss_color {
440 	u32 color_0;
441 	u32 color_1;
442 	u32 color_2;
443 	u32 color_3;
444 };
445 
446 /*
447  * Define bit masks for h/w logging.
448  */
449 #define DPU_DBG_MASK_NONE     (1 << 0)
450 #define DPU_DBG_MASK_INTF     (1 << 1)
451 #define DPU_DBG_MASK_LM       (1 << 2)
452 #define DPU_DBG_MASK_CTL      (1 << 3)
453 #define DPU_DBG_MASK_PINGPONG (1 << 4)
454 #define DPU_DBG_MASK_SSPP     (1 << 5)
455 #define DPU_DBG_MASK_WB       (1 << 6)
456 #define DPU_DBG_MASK_TOP      (1 << 7)
457 #define DPU_DBG_MASK_VBIF     (1 << 8)
458 #define DPU_DBG_MASK_ROT      (1 << 9)
459 #define DPU_DBG_MASK_DSPP     (1 << 10)
460 #define DPU_DBG_MASK_DSC      (1 << 11)
461 
462 /**
463  * struct dpu_hw_tear_check - Struct contains parameters to configure
464  * tear-effect module. This structure is used to configure tear-check
465  * logic present either in ping-pong or in interface module.
466  * @vsync_count:        Ratio of MDP VSYNC clk freq(Hz) to refresh rate divided
467  *                      by no of lines
468  * @sync_cfg_height:    Total vertical lines (display height - 1)
469  * @vsync_init_val:     Init value to which the read pointer gets loaded at
470  *                      vsync edge
471  * @sync_threshold_start:    Read pointer threshold start ROI for write operation
472  * @sync_threshold_continue: The minimum number of lines the write pointer
473  *                           needs to be above the read pointer
474  * @start_pos:          The position from which the start_threshold value is added
475  * @rd_ptr_irq:         The read pointer line at which interrupt has to be generated
476  * @hw_vsync_mode:      Sync with external frame sync input
477  */
478 struct dpu_hw_tear_check {
479 	/*
480 	 * This is ratio of MDP VSYNC clk freq(Hz) to
481 	 * refresh rate divided by no of lines
482 	 */
483 	u32 vsync_count;
484 	u32 sync_cfg_height;
485 	u32 vsync_init_val;
486 	u32 sync_threshold_start;
487 	u32 sync_threshold_continue;
488 	u32 start_pos;
489 	u32 rd_ptr_irq;
490 	u8 hw_vsync_mode;
491 };
492 
493 /**
494  * struct dpu_hw_pp_vsync_info - Struct contains parameters to configure
495  * read and write pointers for command mode panels
496  * @rd_ptr_init_val:    Value of rd pointer at vsync edge
497  * @rd_ptr_frame_count: Num frames sent since enabling interface
498  * @rd_ptr_line_count:  Current line on panel (rd ptr)
499  * @wr_ptr_line_count:  Current line within pp fifo (wr ptr)
500  * @intf_frame_count:   Frames read from intf
501  */
502 struct dpu_hw_pp_vsync_info {
503 	u32 rd_ptr_init_val;
504 	u32 rd_ptr_frame_count;
505 	u32 rd_ptr_line_count;
506 	u32 wr_ptr_line_count;
507 	u32 intf_frame_count;
508 };
509 
510 #endif  /* _DPU_HW_MDSS_H */
511