xref: /linux/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3  */
4 
5 #include "dpu_hwio.h"
6 #include "dpu_hw_catalog.h"
7 #include "dpu_hw_lm.h"
8 #include "dpu_hw_sspp.h"
9 #include "dpu_kms.h"
10 
11 #include "msm_mdss.h"
12 
13 #include <drm/drm_file.h>
14 #include <drm/drm_managed.h>
15 
16 #define DPU_FETCH_CONFIG_RESET_VALUE   0x00000087
17 
18 /* SSPP registers */
19 #define SSPP_SRC_SIZE                      0x00
20 #define SSPP_SRC_XY                        0x08
21 #define SSPP_OUT_SIZE                      0x0c
22 #define SSPP_OUT_XY                        0x10
23 #define SSPP_SRC0_ADDR                     0x14
24 #define SSPP_SRC1_ADDR                     0x18
25 #define SSPP_SRC2_ADDR                     0x1C
26 #define SSPP_SRC3_ADDR                     0x20
27 #define SSPP_SRC_YSTRIDE0                  0x24
28 #define SSPP_SRC_YSTRIDE1                  0x28
29 #define SSPP_SRC_FORMAT                    0x30
30 #define SSPP_SRC_UNPACK_PATTERN            0x34
31 #define SSPP_SRC_OP_MODE                   0x38
32 #define SSPP_SRC_CONSTANT_COLOR            0x3c
33 #define SSPP_EXCL_REC_CTL                  0x40
34 #define SSPP_UBWC_STATIC_CTRL              0x44
35 #define SSPP_FETCH_CONFIG                  0x48
36 #define SSPP_DANGER_LUT                    0x60
37 #define SSPP_SAFE_LUT                      0x64
38 #define SSPP_CREQ_LUT                      0x68
39 #define SSPP_QOS_CTRL                      0x6C
40 #define SSPP_SRC_ADDR_SW_STATUS            0x70
41 #define SSPP_CREQ_LUT_0                    0x74
42 #define SSPP_CREQ_LUT_1                    0x78
43 #define SSPP_DECIMATION_CONFIG             0xB4
44 #define SSPP_SW_PIX_EXT_C0_LR              0x100
45 #define SSPP_SW_PIX_EXT_C0_TB              0x104
46 #define SSPP_SW_PIX_EXT_C0_REQ_PIXELS      0x108
47 #define SSPP_SW_PIX_EXT_C1C2_LR            0x110
48 #define SSPP_SW_PIX_EXT_C1C2_TB            0x114
49 #define SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS    0x118
50 #define SSPP_SW_PIX_EXT_C3_LR              0x120
51 #define SSPP_SW_PIX_EXT_C3_TB              0x124
52 #define SSPP_SW_PIX_EXT_C3_REQ_PIXELS      0x128
53 #define SSPP_TRAFFIC_SHAPER                0x130
54 #define SSPP_CDP_CNTL                      0x134
55 #define SSPP_UBWC_ERROR_STATUS             0x138
56 #define SSPP_CDP_CNTL_REC1                 0x13c
57 #define SSPP_TRAFFIC_SHAPER_PREFILL        0x150
58 #define SSPP_TRAFFIC_SHAPER_REC1_PREFILL   0x154
59 #define SSPP_TRAFFIC_SHAPER_REC1           0x158
60 #define SSPP_OUT_SIZE_REC1                 0x160
61 #define SSPP_OUT_XY_REC1                   0x164
62 #define SSPP_SRC_XY_REC1                   0x168
63 #define SSPP_SRC_SIZE_REC1                 0x16C
64 #define SSPP_MULTIRECT_OPMODE              0x170
65 #define SSPP_SRC_FORMAT_REC1               0x174
66 #define SSPP_SRC_UNPACK_PATTERN_REC1       0x178
67 #define SSPP_SRC_OP_MODE_REC1              0x17C
68 #define SSPP_SRC_CONSTANT_COLOR_REC1       0x180
69 #define SSPP_EXCL_REC_SIZE_REC1            0x184
70 #define SSPP_EXCL_REC_XY_REC1              0x188
71 #define SSPP_EXCL_REC_SIZE                 0x1B4
72 #define SSPP_EXCL_REC_XY                   0x1B8
73 #define SSPP_CLK_CTRL                      0x330
74 
75 /* SSPP_SRC_OP_MODE & OP_MODE_REC1 */
76 #define MDSS_MDP_OP_DEINTERLACE            BIT(22)
77 #define MDSS_MDP_OP_DEINTERLACE_ODD        BIT(23)
78 #define MDSS_MDP_OP_IGC_ROM_1              BIT(18)
79 #define MDSS_MDP_OP_IGC_ROM_0              BIT(17)
80 #define MDSS_MDP_OP_IGC_EN                 BIT(16)
81 #define MDSS_MDP_OP_FLIP_UD                BIT(14)
82 #define MDSS_MDP_OP_FLIP_LR                BIT(13)
83 #define MDSS_MDP_OP_BWC_EN                 BIT(0)
84 #define MDSS_MDP_OP_PE_OVERRIDE            BIT(31)
85 #define MDSS_MDP_OP_BWC_LOSSLESS           (0 << 1)
86 #define MDSS_MDP_OP_BWC_Q_HIGH             (1 << 1)
87 #define MDSS_MDP_OP_BWC_Q_MED              (2 << 1)
88 
89 /* SSPP_QOS_CTRL */
90 #define SSPP_QOS_CTRL_VBLANK_EN            BIT(16)
91 #define SSPP_QOS_CTRL_DANGER_SAFE_EN       BIT(0)
92 #define SSPP_QOS_CTRL_DANGER_VBLANK_MASK   0x3
93 #define SSPP_QOS_CTRL_DANGER_VBLANK_OFF    4
94 #define SSPP_QOS_CTRL_CREQ_VBLANK_MASK     0x3
95 #define SSPP_QOS_CTRL_CREQ_VBLANK_OFF      20
96 
97 /* DPU_SSPP_SCALER_QSEED2 */
98 #define SSPP_VIG_OP_MODE                   0x0
99 #define SCALE_CONFIG                       0x04
100 #define COMP0_3_PHASE_STEP_X               0x10
101 #define COMP0_3_PHASE_STEP_Y               0x14
102 #define COMP1_2_PHASE_STEP_X               0x18
103 #define COMP1_2_PHASE_STEP_Y               0x1c
104 #define COMP0_3_INIT_PHASE_X               0x20
105 #define COMP0_3_INIT_PHASE_Y               0x24
106 #define COMP1_2_INIT_PHASE_X               0x28
107 #define COMP1_2_INIT_PHASE_Y               0x2C
108 #define VIG_0_QSEED2_SHARP                 0x30
109 
110 /* SSPP_TRAFFIC_SHAPER and _REC1 */
111 #define SSPP_TRAFFIC_SHAPER_BPC_MAX        0xFF
112 
113 /*
114  * Definitions for ViG op modes
115  */
116 #define VIG_OP_CSC_DST_DATAFMT BIT(19)
117 #define VIG_OP_CSC_SRC_DATAFMT BIT(18)
118 #define VIG_OP_CSC_EN          BIT(17)
119 #define VIG_OP_MEM_PROT_CONT   BIT(15)
120 #define VIG_OP_MEM_PROT_VAL    BIT(14)
121 #define VIG_OP_MEM_PROT_SAT    BIT(13)
122 #define VIG_OP_MEM_PROT_HUE    BIT(12)
123 #define VIG_OP_HIST            BIT(8)
124 #define VIG_OP_SKY_COL         BIT(7)
125 #define VIG_OP_FOIL            BIT(6)
126 #define VIG_OP_SKIN_COL        BIT(5)
127 #define VIG_OP_PA_EN           BIT(4)
128 #define VIG_OP_PA_SAT_ZERO_EXP BIT(2)
129 #define VIG_OP_MEM_PROT_BLEND  BIT(1)
130 
131 /*
132  * Definitions for CSC 10 op modes
133  */
134 #define SSPP_VIG_CSC_10_OP_MODE            0x0
135 #define VIG_CSC_10_SRC_DATAFMT BIT(1)
136 #define VIG_CSC_10_EN          BIT(0)
137 #define CSC_10BIT_OFFSET       4
138 
139 /* traffic shaper clock in Hz */
140 #define TS_CLK			19200000
141 
142 
143 static void dpu_hw_sspp_setup_multirect(struct dpu_sw_pipe *pipe)
144 {
145 	struct dpu_hw_sspp *ctx = pipe->sspp;
146 	u32 mode_mask;
147 
148 	if (!ctx)
149 		return;
150 
151 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
152 		/**
153 		 * if rect index is RECT_SOLO, we cannot expect a
154 		 * virtual plane sharing the same SSPP id. So we go
155 		 * and disable multirect
156 		 */
157 		mode_mask = 0;
158 	} else {
159 		mode_mask = DPU_REG_READ(&ctx->hw, SSPP_MULTIRECT_OPMODE);
160 		mode_mask |= pipe->multirect_index;
161 		if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_TIME_MX)
162 			mode_mask |= BIT(2);
163 		else
164 			mode_mask &= ~BIT(2);
165 	}
166 
167 	DPU_REG_WRITE(&ctx->hw, SSPP_MULTIRECT_OPMODE, mode_mask);
168 }
169 
170 static void _sspp_setup_opmode(struct dpu_hw_sspp *ctx,
171 		u32 mask, u8 en)
172 {
173 	const struct dpu_sspp_sub_blks *sblk = ctx->cap->sblk;
174 	u32 opmode;
175 
176 	if (!test_bit(DPU_SSPP_SCALER_QSEED2, &ctx->cap->features) ||
177 		!test_bit(DPU_SSPP_CSC, &ctx->cap->features))
178 		return;
179 
180 	opmode = DPU_REG_READ(&ctx->hw, sblk->scaler_blk.base + SSPP_VIG_OP_MODE);
181 
182 	if (en)
183 		opmode |= mask;
184 	else
185 		opmode &= ~mask;
186 
187 	DPU_REG_WRITE(&ctx->hw, sblk->scaler_blk.base + SSPP_VIG_OP_MODE, opmode);
188 }
189 
190 static void _sspp_setup_csc10_opmode(struct dpu_hw_sspp *ctx,
191 		u32 mask, u8 en)
192 {
193 	const struct dpu_sspp_sub_blks *sblk = ctx->cap->sblk;
194 	u32 opmode;
195 
196 	opmode = DPU_REG_READ(&ctx->hw, sblk->csc_blk.base + SSPP_VIG_CSC_10_OP_MODE);
197 	if (en)
198 		opmode |= mask;
199 	else
200 		opmode &= ~mask;
201 
202 	DPU_REG_WRITE(&ctx->hw, sblk->csc_blk.base + SSPP_VIG_CSC_10_OP_MODE, opmode);
203 }
204 
205 /*
206  * Setup source pixel format, flip,
207  */
208 static void dpu_hw_sspp_setup_format(struct dpu_sw_pipe *pipe,
209 		const struct dpu_format *fmt, u32 flags)
210 {
211 	struct dpu_hw_sspp *ctx = pipe->sspp;
212 	struct dpu_hw_blk_reg_map *c;
213 	u32 chroma_samp, unpack, src_format;
214 	u32 opmode = 0;
215 	u32 fast_clear = 0;
216 	u32 op_mode_off, unpack_pat_off, format_off;
217 
218 	if (!ctx || !fmt)
219 		return;
220 
221 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
222 	    pipe->multirect_index == DPU_SSPP_RECT_0) {
223 		op_mode_off = SSPP_SRC_OP_MODE;
224 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN;
225 		format_off = SSPP_SRC_FORMAT;
226 	} else {
227 		op_mode_off = SSPP_SRC_OP_MODE_REC1;
228 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN_REC1;
229 		format_off = SSPP_SRC_FORMAT_REC1;
230 	}
231 
232 	c = &ctx->hw;
233 	opmode = DPU_REG_READ(c, op_mode_off);
234 	opmode &= ~(MDSS_MDP_OP_FLIP_LR | MDSS_MDP_OP_FLIP_UD |
235 			MDSS_MDP_OP_BWC_EN | MDSS_MDP_OP_PE_OVERRIDE);
236 
237 	if (flags & DPU_SSPP_FLIP_LR)
238 		opmode |= MDSS_MDP_OP_FLIP_LR;
239 	if (flags & DPU_SSPP_FLIP_UD)
240 		opmode |= MDSS_MDP_OP_FLIP_UD;
241 
242 	chroma_samp = fmt->chroma_sample;
243 	if (flags & DPU_SSPP_SOURCE_ROTATED_90) {
244 		if (chroma_samp == DPU_CHROMA_H2V1)
245 			chroma_samp = DPU_CHROMA_H1V2;
246 		else if (chroma_samp == DPU_CHROMA_H1V2)
247 			chroma_samp = DPU_CHROMA_H2V1;
248 	}
249 
250 	src_format = (chroma_samp << 23) | (fmt->fetch_planes << 19) |
251 		(fmt->bits[C3_ALPHA] << 6) | (fmt->bits[C2_R_Cr] << 4) |
252 		(fmt->bits[C1_B_Cb] << 2) | (fmt->bits[C0_G_Y] << 0);
253 
254 	if (flags & DPU_SSPP_ROT_90)
255 		src_format |= BIT(11); /* ROT90 */
256 
257 	if (fmt->alpha_enable && fmt->fetch_planes == DPU_PLANE_INTERLEAVED)
258 		src_format |= BIT(8); /* SRCC3_EN */
259 
260 	if (flags & DPU_SSPP_SOLID_FILL)
261 		src_format |= BIT(22);
262 
263 	unpack = (fmt->element[3] << 24) | (fmt->element[2] << 16) |
264 		(fmt->element[1] << 8) | (fmt->element[0] << 0);
265 	src_format |= ((fmt->unpack_count - 1) << 12) |
266 		(fmt->unpack_tight << 17) |
267 		(fmt->unpack_align_msb << 18) |
268 		((fmt->bpp - 1) << 9);
269 
270 	if (fmt->fetch_mode != DPU_FETCH_LINEAR) {
271 		if (DPU_FORMAT_IS_UBWC(fmt))
272 			opmode |= MDSS_MDP_OP_BWC_EN;
273 		src_format |= (fmt->fetch_mode & 3) << 30; /*FRAME_FORMAT */
274 		DPU_REG_WRITE(c, SSPP_FETCH_CONFIG,
275 			DPU_FETCH_CONFIG_RESET_VALUE |
276 			ctx->ubwc->highest_bank_bit << 18);
277 		switch (ctx->ubwc->ubwc_enc_version) {
278 		case UBWC_1_0:
279 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
280 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
281 					fast_clear | (ctx->ubwc->ubwc_swizzle & 0x1) |
282 					BIT(8) |
283 					(ctx->ubwc->highest_bank_bit << 4));
284 			break;
285 		case UBWC_2_0:
286 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
287 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
288 					fast_clear | (ctx->ubwc->ubwc_swizzle) |
289 					(ctx->ubwc->highest_bank_bit << 4));
290 			break;
291 		case UBWC_3_0:
292 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
293 					BIT(30) | (ctx->ubwc->ubwc_swizzle) |
294 					(ctx->ubwc->highest_bank_bit << 4));
295 			break;
296 		case UBWC_4_0:
297 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
298 					DPU_FORMAT_IS_YUV(fmt) ? 0 : BIT(30));
299 			break;
300 		}
301 	}
302 
303 	opmode |= MDSS_MDP_OP_PE_OVERRIDE;
304 
305 	/* if this is YUV pixel format, enable CSC */
306 	if (DPU_FORMAT_IS_YUV(fmt))
307 		src_format |= BIT(15);
308 
309 	if (DPU_FORMAT_IS_DX(fmt))
310 		src_format |= BIT(14);
311 
312 	/* update scaler opmode, if appropriate */
313 	if (test_bit(DPU_SSPP_CSC, &ctx->cap->features))
314 		_sspp_setup_opmode(ctx, VIG_OP_CSC_EN | VIG_OP_CSC_SRC_DATAFMT,
315 			DPU_FORMAT_IS_YUV(fmt));
316 	else if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features))
317 		_sspp_setup_csc10_opmode(ctx,
318 			VIG_CSC_10_EN | VIG_CSC_10_SRC_DATAFMT,
319 			DPU_FORMAT_IS_YUV(fmt));
320 
321 	DPU_REG_WRITE(c, format_off, src_format);
322 	DPU_REG_WRITE(c, unpack_pat_off, unpack);
323 	DPU_REG_WRITE(c, op_mode_off, opmode);
324 
325 	/* clear previous UBWC error */
326 	DPU_REG_WRITE(c, SSPP_UBWC_ERROR_STATUS, BIT(31));
327 }
328 
329 static void dpu_hw_sspp_setup_pe_config(struct dpu_hw_sspp *ctx,
330 		struct dpu_hw_pixel_ext *pe_ext)
331 {
332 	struct dpu_hw_blk_reg_map *c;
333 	u8 color;
334 	u32 lr_pe[4], tb_pe[4], tot_req_pixels[4];
335 	const u32 bytemask = 0xff;
336 	const u32 shortmask = 0xffff;
337 
338 	if (!ctx || !pe_ext)
339 		return;
340 
341 	c = &ctx->hw;
342 
343 	/* program SW pixel extension override for all pipes*/
344 	for (color = 0; color < DPU_MAX_PLANES; color++) {
345 		/* color 2 has the same set of registers as color 1 */
346 		if (color == 2)
347 			continue;
348 
349 		lr_pe[color] = ((pe_ext->right_ftch[color] & bytemask) << 24)|
350 			((pe_ext->right_rpt[color] & bytemask) << 16)|
351 			((pe_ext->left_ftch[color] & bytemask) << 8)|
352 			(pe_ext->left_rpt[color] & bytemask);
353 
354 		tb_pe[color] = ((pe_ext->btm_ftch[color] & bytemask) << 24)|
355 			((pe_ext->btm_rpt[color] & bytemask) << 16)|
356 			((pe_ext->top_ftch[color] & bytemask) << 8)|
357 			(pe_ext->top_rpt[color] & bytemask);
358 
359 		tot_req_pixels[color] = (((pe_ext->roi_h[color] +
360 			pe_ext->num_ext_pxls_top[color] +
361 			pe_ext->num_ext_pxls_btm[color]) & shortmask) << 16) |
362 			((pe_ext->roi_w[color] +
363 			pe_ext->num_ext_pxls_left[color] +
364 			pe_ext->num_ext_pxls_right[color]) & shortmask);
365 	}
366 
367 	/* color 0 */
368 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_LR, lr_pe[0]);
369 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_TB, tb_pe[0]);
370 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_REQ_PIXELS,
371 			tot_req_pixels[0]);
372 
373 	/* color 1 and color 2 */
374 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_LR, lr_pe[1]);
375 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_TB, tb_pe[1]);
376 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS,
377 			tot_req_pixels[1]);
378 
379 	/* color 3 */
380 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_LR, lr_pe[3]);
381 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_TB, lr_pe[3]);
382 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_REQ_PIXELS,
383 			tot_req_pixels[3]);
384 }
385 
386 static void _dpu_hw_sspp_setup_scaler3(struct dpu_hw_sspp *ctx,
387 		struct dpu_hw_scaler3_cfg *scaler3_cfg,
388 		const struct dpu_format *format)
389 {
390 	if (!ctx || !scaler3_cfg)
391 		return;
392 
393 	dpu_hw_setup_scaler3(&ctx->hw, scaler3_cfg,
394 			ctx->cap->sblk->scaler_blk.base,
395 			ctx->cap->sblk->scaler_blk.version,
396 			format);
397 }
398 
399 /*
400  * dpu_hw_sspp_setup_rects()
401  */
402 static void dpu_hw_sspp_setup_rects(struct dpu_sw_pipe *pipe,
403 		struct dpu_sw_pipe_cfg *cfg)
404 {
405 	struct dpu_hw_sspp *ctx = pipe->sspp;
406 	struct dpu_hw_blk_reg_map *c;
407 	u32 src_size, src_xy, dst_size, dst_xy;
408 	u32 src_size_off, src_xy_off, out_size_off, out_xy_off;
409 
410 	if (!ctx || !cfg)
411 		return;
412 
413 	c = &ctx->hw;
414 
415 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
416 	    pipe->multirect_index == DPU_SSPP_RECT_0) {
417 		src_size_off = SSPP_SRC_SIZE;
418 		src_xy_off = SSPP_SRC_XY;
419 		out_size_off = SSPP_OUT_SIZE;
420 		out_xy_off = SSPP_OUT_XY;
421 	} else {
422 		src_size_off = SSPP_SRC_SIZE_REC1;
423 		src_xy_off = SSPP_SRC_XY_REC1;
424 		out_size_off = SSPP_OUT_SIZE_REC1;
425 		out_xy_off = SSPP_OUT_XY_REC1;
426 	}
427 
428 
429 	/* src and dest rect programming */
430 	src_xy = (cfg->src_rect.y1 << 16) | cfg->src_rect.x1;
431 	src_size = (drm_rect_height(&cfg->src_rect) << 16) |
432 		   drm_rect_width(&cfg->src_rect);
433 	dst_xy = (cfg->dst_rect.y1 << 16) | cfg->dst_rect.x1;
434 	dst_size = (drm_rect_height(&cfg->dst_rect) << 16) |
435 		drm_rect_width(&cfg->dst_rect);
436 
437 	/* rectangle register programming */
438 	DPU_REG_WRITE(c, src_size_off, src_size);
439 	DPU_REG_WRITE(c, src_xy_off, src_xy);
440 	DPU_REG_WRITE(c, out_size_off, dst_size);
441 	DPU_REG_WRITE(c, out_xy_off, dst_xy);
442 }
443 
444 static void dpu_hw_sspp_setup_sourceaddress(struct dpu_sw_pipe *pipe,
445 		struct dpu_hw_fmt_layout *layout)
446 {
447 	struct dpu_hw_sspp *ctx = pipe->sspp;
448 	u32 ystride0, ystride1;
449 	int i;
450 
451 	if (!ctx)
452 		return;
453 
454 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
455 		for (i = 0; i < ARRAY_SIZE(layout->plane_addr); i++)
456 			DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR + i * 0x4,
457 					layout->plane_addr[i]);
458 	} else if (pipe->multirect_index == DPU_SSPP_RECT_0) {
459 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR,
460 				layout->plane_addr[0]);
461 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC2_ADDR,
462 				layout->plane_addr[2]);
463 	} else {
464 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC1_ADDR,
465 				layout->plane_addr[0]);
466 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC3_ADDR,
467 				layout->plane_addr[2]);
468 	}
469 
470 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
471 		ystride0 = (layout->plane_pitch[0]) |
472 			(layout->plane_pitch[1] << 16);
473 		ystride1 = (layout->plane_pitch[2]) |
474 			(layout->plane_pitch[3] << 16);
475 	} else {
476 		ystride0 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE0);
477 		ystride1 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE1);
478 
479 		if (pipe->multirect_index == DPU_SSPP_RECT_0) {
480 			ystride0 = (ystride0 & 0xFFFF0000) |
481 				(layout->plane_pitch[0] & 0x0000FFFF);
482 			ystride1 = (ystride1 & 0xFFFF0000)|
483 				(layout->plane_pitch[2] & 0x0000FFFF);
484 		} else {
485 			ystride0 = (ystride0 & 0x0000FFFF) |
486 				((layout->plane_pitch[0] << 16) &
487 				 0xFFFF0000);
488 			ystride1 = (ystride1 & 0x0000FFFF) |
489 				((layout->plane_pitch[2] << 16) &
490 				 0xFFFF0000);
491 		}
492 	}
493 
494 	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE0, ystride0);
495 	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE1, ystride1);
496 }
497 
498 static void dpu_hw_sspp_setup_csc(struct dpu_hw_sspp *ctx,
499 		const struct dpu_csc_cfg *data)
500 {
501 	u32 offset;
502 	bool csc10 = false;
503 
504 	if (!ctx || !data)
505 		return;
506 
507 	offset = ctx->cap->sblk->csc_blk.base;
508 
509 	if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features)) {
510 		offset += CSC_10BIT_OFFSET;
511 		csc10 = true;
512 	}
513 
514 	dpu_hw_csc_setup(&ctx->hw, offset, data, csc10);
515 }
516 
517 static void dpu_hw_sspp_setup_solidfill(struct dpu_sw_pipe *pipe, u32 color)
518 {
519 	struct dpu_hw_sspp *ctx = pipe->sspp;
520 	struct dpu_hw_fmt_layout cfg;
521 
522 	if (!ctx)
523 		return;
524 
525 	/* cleanup source addresses */
526 	memset(&cfg, 0, sizeof(cfg));
527 	ctx->ops.setup_sourceaddress(pipe, &cfg);
528 
529 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
530 	    pipe->multirect_index == DPU_SSPP_RECT_0)
531 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR, color);
532 	else
533 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR_REC1,
534 				color);
535 }
536 
537 static void dpu_hw_sspp_setup_qos_lut(struct dpu_hw_sspp *ctx,
538 				      struct dpu_hw_qos_cfg *cfg)
539 {
540 	if (!ctx || !cfg)
541 		return;
542 
543 	_dpu_hw_setup_qos_lut(&ctx->hw, SSPP_DANGER_LUT,
544 			      test_bit(DPU_SSPP_QOS_8LVL, &ctx->cap->features),
545 			      cfg);
546 }
547 
548 static void dpu_hw_sspp_setup_qos_ctrl(struct dpu_hw_sspp *ctx,
549 				       bool danger_safe_en)
550 {
551 	if (!ctx)
552 		return;
553 
554 	DPU_REG_WRITE(&ctx->hw, SSPP_QOS_CTRL,
555 		      danger_safe_en ? SSPP_QOS_CTRL_DANGER_SAFE_EN : 0);
556 }
557 
558 static void dpu_hw_sspp_setup_cdp(struct dpu_sw_pipe *pipe,
559 				  const struct dpu_format *fmt,
560 				  bool enable)
561 {
562 	struct dpu_hw_sspp *ctx = pipe->sspp;
563 	u32 cdp_cntl_offset = 0;
564 
565 	if (!ctx)
566 		return;
567 
568 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
569 	    pipe->multirect_index == DPU_SSPP_RECT_0)
570 		cdp_cntl_offset = SSPP_CDP_CNTL;
571 	else
572 		cdp_cntl_offset = SSPP_CDP_CNTL_REC1;
573 
574 	dpu_setup_cdp(&ctx->hw, cdp_cntl_offset, fmt, enable);
575 }
576 
577 static bool dpu_hw_sspp_setup_clk_force_ctrl(struct dpu_hw_sspp *ctx, bool enable)
578 {
579 	static const struct dpu_clk_ctrl_reg sspp_clk_ctrl = {
580 		.reg_off = SSPP_CLK_CTRL,
581 		.bit_off = 0
582 	};
583 
584 	return dpu_hw_clk_force_ctrl(&ctx->hw, &sspp_clk_ctrl, enable);
585 }
586 
587 static void _setup_layer_ops(struct dpu_hw_sspp *c,
588 		unsigned long features, const struct dpu_mdss_version *mdss_rev)
589 {
590 	c->ops.setup_format = dpu_hw_sspp_setup_format;
591 	c->ops.setup_rects = dpu_hw_sspp_setup_rects;
592 	c->ops.setup_sourceaddress = dpu_hw_sspp_setup_sourceaddress;
593 	c->ops.setup_solidfill = dpu_hw_sspp_setup_solidfill;
594 	c->ops.setup_pe = dpu_hw_sspp_setup_pe_config;
595 
596 	if (test_bit(DPU_SSPP_QOS, &features)) {
597 		c->ops.setup_qos_lut = dpu_hw_sspp_setup_qos_lut;
598 		c->ops.setup_qos_ctrl = dpu_hw_sspp_setup_qos_ctrl;
599 	}
600 
601 	if (test_bit(DPU_SSPP_CSC, &features) ||
602 		test_bit(DPU_SSPP_CSC_10BIT, &features))
603 		c->ops.setup_csc = dpu_hw_sspp_setup_csc;
604 
605 	if (test_bit(DPU_SSPP_SMART_DMA_V1, &c->cap->features) ||
606 		test_bit(DPU_SSPP_SMART_DMA_V2, &c->cap->features))
607 		c->ops.setup_multirect = dpu_hw_sspp_setup_multirect;
608 
609 	if (test_bit(DPU_SSPP_SCALER_QSEED3_COMPATIBLE, &features))
610 		c->ops.setup_scaler = _dpu_hw_sspp_setup_scaler3;
611 
612 	if (test_bit(DPU_SSPP_CDP, &features))
613 		c->ops.setup_cdp = dpu_hw_sspp_setup_cdp;
614 
615 	if (mdss_rev->core_major_ver >= 9)
616 		c->ops.setup_clk_force_ctrl = dpu_hw_sspp_setup_clk_force_ctrl;
617 }
618 
619 #ifdef CONFIG_DEBUG_FS
620 int _dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp *hw_pipe, struct dpu_kms *kms,
621 			      struct dentry *entry)
622 {
623 	const struct dpu_sspp_cfg *cfg = hw_pipe->cap;
624 	const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
625 	struct dentry *debugfs_root;
626 	char sspp_name[32];
627 
628 	snprintf(sspp_name, sizeof(sspp_name), "%d", hw_pipe->idx);
629 
630 	/* create overall sub-directory for the pipe */
631 	debugfs_root =
632 		debugfs_create_dir(sspp_name, entry);
633 
634 	/* don't error check these */
635 	debugfs_create_xul("features", 0600,
636 			debugfs_root, (unsigned long *)&hw_pipe->cap->features);
637 
638 	/* add register dump support */
639 	dpu_debugfs_create_regset32("src_blk", 0400,
640 			debugfs_root,
641 			cfg->base,
642 			cfg->len,
643 			kms);
644 
645 	if (sblk->scaler_blk.len)
646 		dpu_debugfs_create_regset32("scaler_blk", 0400,
647 				debugfs_root,
648 				sblk->scaler_blk.base + cfg->base,
649 				sblk->scaler_blk.len,
650 				kms);
651 
652 	if (cfg->features & BIT(DPU_SSPP_CSC) ||
653 			cfg->features & BIT(DPU_SSPP_CSC_10BIT))
654 		dpu_debugfs_create_regset32("csc_blk", 0400,
655 				debugfs_root,
656 				sblk->csc_blk.base + cfg->base,
657 				sblk->csc_blk.len,
658 				kms);
659 
660 	debugfs_create_u32("xin_id",
661 			0400,
662 			debugfs_root,
663 			(u32 *) &cfg->xin_id);
664 	debugfs_create_u32("clk_ctrl",
665 			0400,
666 			debugfs_root,
667 			(u32 *) &cfg->clk_ctrl);
668 
669 	return 0;
670 }
671 #endif
672 
673 struct dpu_hw_sspp *dpu_hw_sspp_init(struct drm_device *dev,
674 				     const struct dpu_sspp_cfg *cfg,
675 				     void __iomem *addr,
676 				     const struct msm_mdss_data *mdss_data,
677 				     const struct dpu_mdss_version *mdss_rev)
678 {
679 	struct dpu_hw_sspp *hw_pipe;
680 
681 	if (!addr)
682 		return ERR_PTR(-EINVAL);
683 
684 	hw_pipe = drmm_kzalloc(dev, sizeof(*hw_pipe), GFP_KERNEL);
685 	if (!hw_pipe)
686 		return ERR_PTR(-ENOMEM);
687 
688 	hw_pipe->hw.blk_addr = addr + cfg->base;
689 	hw_pipe->hw.log_mask = DPU_DBG_MASK_SSPP;
690 
691 	/* Assign ops */
692 	hw_pipe->ubwc = mdss_data;
693 	hw_pipe->idx = cfg->id;
694 	hw_pipe->cap = cfg;
695 	_setup_layer_ops(hw_pipe, hw_pipe->cap->features, mdss_rev);
696 
697 	return hw_pipe;
698 }
699