1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3  */
4 
5 #include <linux/debugfs.h>
6 
7 #include "dpu_hwio.h"
8 #include "dpu_hw_catalog.h"
9 #include "dpu_hw_lm.h"
10 #include "dpu_hw_sspp.h"
11 #include "dpu_kms.h"
12 
13 #include "msm_mdss.h"
14 
15 #include <drm/drm_file.h>
16 #include <drm/drm_managed.h>
17 
18 #define DPU_FETCH_CONFIG_RESET_VALUE   0x00000087
19 
20 /* SSPP registers */
21 #define SSPP_SRC_SIZE                      0x00
22 #define SSPP_SRC_XY                        0x08
23 #define SSPP_OUT_SIZE                      0x0c
24 #define SSPP_OUT_XY                        0x10
25 #define SSPP_SRC0_ADDR                     0x14
26 #define SSPP_SRC1_ADDR                     0x18
27 #define SSPP_SRC2_ADDR                     0x1C
28 #define SSPP_SRC3_ADDR                     0x20
29 #define SSPP_SRC_YSTRIDE0                  0x24
30 #define SSPP_SRC_YSTRIDE1                  0x28
31 #define SSPP_SRC_FORMAT                    0x30
32 #define SSPP_SRC_UNPACK_PATTERN            0x34
33 #define SSPP_SRC_OP_MODE                   0x38
34 #define SSPP_SRC_CONSTANT_COLOR            0x3c
35 #define SSPP_EXCL_REC_CTL                  0x40
36 #define SSPP_UBWC_STATIC_CTRL              0x44
37 #define SSPP_FETCH_CONFIG                  0x48
38 #define SSPP_DANGER_LUT                    0x60
39 #define SSPP_SAFE_LUT                      0x64
40 #define SSPP_CREQ_LUT                      0x68
41 #define SSPP_QOS_CTRL                      0x6C
42 #define SSPP_SRC_ADDR_SW_STATUS            0x70
43 #define SSPP_CREQ_LUT_0                    0x74
44 #define SSPP_CREQ_LUT_1                    0x78
45 #define SSPP_DECIMATION_CONFIG             0xB4
46 #define SSPP_SW_PIX_EXT_C0_LR              0x100
47 #define SSPP_SW_PIX_EXT_C0_TB              0x104
48 #define SSPP_SW_PIX_EXT_C0_REQ_PIXELS      0x108
49 #define SSPP_SW_PIX_EXT_C1C2_LR            0x110
50 #define SSPP_SW_PIX_EXT_C1C2_TB            0x114
51 #define SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS    0x118
52 #define SSPP_SW_PIX_EXT_C3_LR              0x120
53 #define SSPP_SW_PIX_EXT_C3_TB              0x124
54 #define SSPP_SW_PIX_EXT_C3_REQ_PIXELS      0x128
55 #define SSPP_TRAFFIC_SHAPER                0x130
56 #define SSPP_CDP_CNTL                      0x134
57 #define SSPP_UBWC_ERROR_STATUS             0x138
58 #define SSPP_CDP_CNTL_REC1                 0x13c
59 #define SSPP_TRAFFIC_SHAPER_PREFILL        0x150
60 #define SSPP_TRAFFIC_SHAPER_REC1_PREFILL   0x154
61 #define SSPP_TRAFFIC_SHAPER_REC1           0x158
62 #define SSPP_OUT_SIZE_REC1                 0x160
63 #define SSPP_OUT_XY_REC1                   0x164
64 #define SSPP_SRC_XY_REC1                   0x168
65 #define SSPP_SRC_SIZE_REC1                 0x16C
66 #define SSPP_MULTIRECT_OPMODE              0x170
67 #define SSPP_SRC_FORMAT_REC1               0x174
68 #define SSPP_SRC_UNPACK_PATTERN_REC1       0x178
69 #define SSPP_SRC_OP_MODE_REC1              0x17C
70 #define SSPP_SRC_CONSTANT_COLOR_REC1       0x180
71 #define SSPP_EXCL_REC_SIZE_REC1            0x184
72 #define SSPP_EXCL_REC_XY_REC1              0x188
73 #define SSPP_EXCL_REC_SIZE                 0x1B4
74 #define SSPP_EXCL_REC_XY                   0x1B8
75 #define SSPP_CLK_CTRL                      0x330
76 
77 /* SSPP_SRC_OP_MODE & OP_MODE_REC1 */
78 #define MDSS_MDP_OP_DEINTERLACE            BIT(22)
79 #define MDSS_MDP_OP_DEINTERLACE_ODD        BIT(23)
80 #define MDSS_MDP_OP_IGC_ROM_1              BIT(18)
81 #define MDSS_MDP_OP_IGC_ROM_0              BIT(17)
82 #define MDSS_MDP_OP_IGC_EN                 BIT(16)
83 #define MDSS_MDP_OP_FLIP_UD                BIT(14)
84 #define MDSS_MDP_OP_FLIP_LR                BIT(13)
85 #define MDSS_MDP_OP_BWC_EN                 BIT(0)
86 #define MDSS_MDP_OP_PE_OVERRIDE            BIT(31)
87 #define MDSS_MDP_OP_BWC_LOSSLESS           (0 << 1)
88 #define MDSS_MDP_OP_BWC_Q_HIGH             (1 << 1)
89 #define MDSS_MDP_OP_BWC_Q_MED              (2 << 1)
90 
91 /* SSPP_QOS_CTRL */
92 #define SSPP_QOS_CTRL_VBLANK_EN            BIT(16)
93 #define SSPP_QOS_CTRL_DANGER_SAFE_EN       BIT(0)
94 #define SSPP_QOS_CTRL_DANGER_VBLANK_MASK   0x3
95 #define SSPP_QOS_CTRL_DANGER_VBLANK_OFF    4
96 #define SSPP_QOS_CTRL_CREQ_VBLANK_MASK     0x3
97 #define SSPP_QOS_CTRL_CREQ_VBLANK_OFF      20
98 
99 /* DPU_SSPP_SCALER_QSEED2 */
100 #define SSPP_VIG_OP_MODE                   0x0
101 #define SCALE_CONFIG                       0x04
102 #define COMP0_3_PHASE_STEP_X               0x10
103 #define COMP0_3_PHASE_STEP_Y               0x14
104 #define COMP1_2_PHASE_STEP_X               0x18
105 #define COMP1_2_PHASE_STEP_Y               0x1c
106 #define COMP0_3_INIT_PHASE_X               0x20
107 #define COMP0_3_INIT_PHASE_Y               0x24
108 #define COMP1_2_INIT_PHASE_X               0x28
109 #define COMP1_2_INIT_PHASE_Y               0x2C
110 #define VIG_0_QSEED2_SHARP                 0x30
111 
112 /* SSPP_TRAFFIC_SHAPER and _REC1 */
113 #define SSPP_TRAFFIC_SHAPER_BPC_MAX        0xFF
114 
115 /*
116  * Definitions for ViG op modes
117  */
118 #define VIG_OP_CSC_DST_DATAFMT BIT(19)
119 #define VIG_OP_CSC_SRC_DATAFMT BIT(18)
120 #define VIG_OP_CSC_EN          BIT(17)
121 #define VIG_OP_MEM_PROT_CONT   BIT(15)
122 #define VIG_OP_MEM_PROT_VAL    BIT(14)
123 #define VIG_OP_MEM_PROT_SAT    BIT(13)
124 #define VIG_OP_MEM_PROT_HUE    BIT(12)
125 #define VIG_OP_HIST            BIT(8)
126 #define VIG_OP_SKY_COL         BIT(7)
127 #define VIG_OP_FOIL            BIT(6)
128 #define VIG_OP_SKIN_COL        BIT(5)
129 #define VIG_OP_PA_EN           BIT(4)
130 #define VIG_OP_PA_SAT_ZERO_EXP BIT(2)
131 #define VIG_OP_MEM_PROT_BLEND  BIT(1)
132 
133 /*
134  * Definitions for CSC 10 op modes
135  */
136 #define SSPP_VIG_CSC_10_OP_MODE            0x0
137 #define VIG_CSC_10_SRC_DATAFMT BIT(1)
138 #define VIG_CSC_10_EN          BIT(0)
139 #define CSC_10BIT_OFFSET       4
140 
141 /* traffic shaper clock in Hz */
142 #define TS_CLK			19200000
143 
144 
dpu_hw_sspp_setup_multirect(struct dpu_sw_pipe * pipe)145 static void dpu_hw_sspp_setup_multirect(struct dpu_sw_pipe *pipe)
146 {
147 	struct dpu_hw_sspp *ctx = pipe->sspp;
148 	u32 mode_mask;
149 
150 	if (!ctx)
151 		return;
152 
153 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
154 		/**
155 		 * if rect index is RECT_SOLO, we cannot expect a
156 		 * virtual plane sharing the same SSPP id. So we go
157 		 * and disable multirect
158 		 */
159 		mode_mask = 0;
160 	} else {
161 		mode_mask = DPU_REG_READ(&ctx->hw, SSPP_MULTIRECT_OPMODE);
162 		mode_mask |= pipe->multirect_index;
163 		if (pipe->multirect_mode == DPU_SSPP_MULTIRECT_TIME_MX)
164 			mode_mask |= BIT(2);
165 		else
166 			mode_mask &= ~BIT(2);
167 	}
168 
169 	DPU_REG_WRITE(&ctx->hw, SSPP_MULTIRECT_OPMODE, mode_mask);
170 }
171 
_sspp_setup_opmode(struct dpu_hw_sspp * ctx,u32 mask,u8 en)172 static void _sspp_setup_opmode(struct dpu_hw_sspp *ctx,
173 		u32 mask, u8 en)
174 {
175 	const struct dpu_sspp_sub_blks *sblk = ctx->cap->sblk;
176 	u32 opmode;
177 
178 	if (!test_bit(DPU_SSPP_SCALER_QSEED2, &ctx->cap->features) ||
179 		!test_bit(DPU_SSPP_CSC, &ctx->cap->features))
180 		return;
181 
182 	opmode = DPU_REG_READ(&ctx->hw, sblk->scaler_blk.base + SSPP_VIG_OP_MODE);
183 
184 	if (en)
185 		opmode |= mask;
186 	else
187 		opmode &= ~mask;
188 
189 	DPU_REG_WRITE(&ctx->hw, sblk->scaler_blk.base + SSPP_VIG_OP_MODE, opmode);
190 }
191 
_sspp_setup_csc10_opmode(struct dpu_hw_sspp * ctx,u32 mask,u8 en)192 static void _sspp_setup_csc10_opmode(struct dpu_hw_sspp *ctx,
193 		u32 mask, u8 en)
194 {
195 	const struct dpu_sspp_sub_blks *sblk = ctx->cap->sblk;
196 	u32 opmode;
197 
198 	opmode = DPU_REG_READ(&ctx->hw, sblk->csc_blk.base + SSPP_VIG_CSC_10_OP_MODE);
199 	if (en)
200 		opmode |= mask;
201 	else
202 		opmode &= ~mask;
203 
204 	DPU_REG_WRITE(&ctx->hw, sblk->csc_blk.base + SSPP_VIG_CSC_10_OP_MODE, opmode);
205 }
206 
207 /*
208  * Setup source pixel format, flip,
209  */
dpu_hw_sspp_setup_format(struct dpu_sw_pipe * pipe,const struct msm_format * fmt,u32 flags)210 static void dpu_hw_sspp_setup_format(struct dpu_sw_pipe *pipe,
211 		const struct msm_format *fmt, u32 flags)
212 {
213 	struct dpu_hw_sspp *ctx = pipe->sspp;
214 	struct dpu_hw_blk_reg_map *c;
215 	u32 chroma_samp, unpack, src_format;
216 	u32 opmode = 0;
217 	u32 fast_clear = 0;
218 	u32 op_mode_off, unpack_pat_off, format_off;
219 
220 	if (!ctx || !fmt)
221 		return;
222 
223 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
224 	    pipe->multirect_index == DPU_SSPP_RECT_0) {
225 		op_mode_off = SSPP_SRC_OP_MODE;
226 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN;
227 		format_off = SSPP_SRC_FORMAT;
228 	} else {
229 		op_mode_off = SSPP_SRC_OP_MODE_REC1;
230 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN_REC1;
231 		format_off = SSPP_SRC_FORMAT_REC1;
232 	}
233 
234 	c = &ctx->hw;
235 	opmode = DPU_REG_READ(c, op_mode_off);
236 	opmode &= ~(MDSS_MDP_OP_FLIP_LR | MDSS_MDP_OP_FLIP_UD |
237 			MDSS_MDP_OP_BWC_EN | MDSS_MDP_OP_PE_OVERRIDE);
238 
239 	if (flags & DPU_SSPP_FLIP_LR)
240 		opmode |= MDSS_MDP_OP_FLIP_LR;
241 	if (flags & DPU_SSPP_FLIP_UD)
242 		opmode |= MDSS_MDP_OP_FLIP_UD;
243 
244 	chroma_samp = fmt->chroma_sample;
245 	if (flags & DPU_SSPP_SOURCE_ROTATED_90) {
246 		if (chroma_samp == CHROMA_H2V1)
247 			chroma_samp = CHROMA_H1V2;
248 		else if (chroma_samp == CHROMA_H1V2)
249 			chroma_samp = CHROMA_H2V1;
250 	}
251 
252 	src_format = (chroma_samp << 23) | (fmt->fetch_type << 19) |
253 		(fmt->bpc_a << 6) | (fmt->bpc_r_cr << 4) |
254 		(fmt->bpc_b_cb << 2) | (fmt->bpc_g_y << 0);
255 
256 	if (flags & DPU_SSPP_ROT_90)
257 		src_format |= BIT(11); /* ROT90 */
258 
259 	if (fmt->alpha_enable && fmt->fetch_type == MDP_PLANE_INTERLEAVED)
260 		src_format |= BIT(8); /* SRCC3_EN */
261 
262 	if (flags & DPU_SSPP_SOLID_FILL)
263 		src_format |= BIT(22);
264 
265 	unpack = (fmt->element[3] << 24) | (fmt->element[2] << 16) |
266 		(fmt->element[1] << 8) | (fmt->element[0] << 0);
267 	src_format |= ((fmt->unpack_count - 1) << 12) |
268 		((fmt->flags & MSM_FORMAT_FLAG_UNPACK_TIGHT ? 1 : 0) << 17) |
269 		((fmt->flags & MSM_FORMAT_FLAG_UNPACK_ALIGN_MSB ? 1 : 0) << 18) |
270 		((fmt->bpp - 1) << 9);
271 
272 	if (fmt->fetch_mode != MDP_FETCH_LINEAR) {
273 		if (MSM_FORMAT_IS_UBWC(fmt))
274 			opmode |= MDSS_MDP_OP_BWC_EN;
275 		src_format |= (fmt->fetch_mode & 3) << 30; /*FRAME_FORMAT */
276 		DPU_REG_WRITE(c, SSPP_FETCH_CONFIG,
277 			DPU_FETCH_CONFIG_RESET_VALUE |
278 			ctx->ubwc->highest_bank_bit << 18);
279 		switch (ctx->ubwc->ubwc_enc_version) {
280 		case UBWC_1_0:
281 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
282 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
283 					fast_clear | (ctx->ubwc->ubwc_swizzle & 0x1) |
284 					BIT(8) |
285 					(ctx->ubwc->highest_bank_bit << 4));
286 			break;
287 		case UBWC_2_0:
288 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
289 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
290 					fast_clear | (ctx->ubwc->ubwc_swizzle) |
291 					(ctx->ubwc->highest_bank_bit << 4));
292 			break;
293 		case UBWC_3_0:
294 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
295 					BIT(30) | (ctx->ubwc->ubwc_swizzle) |
296 					(ctx->ubwc->highest_bank_bit << 4));
297 			break;
298 		case UBWC_4_0:
299 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
300 					MSM_FORMAT_IS_YUV(fmt) ? 0 : BIT(30));
301 			break;
302 		}
303 	}
304 
305 	opmode |= MDSS_MDP_OP_PE_OVERRIDE;
306 
307 	/* if this is YUV pixel format, enable CSC */
308 	if (MSM_FORMAT_IS_YUV(fmt))
309 		src_format |= BIT(15);
310 
311 	if (MSM_FORMAT_IS_DX(fmt))
312 		src_format |= BIT(14);
313 
314 	/* update scaler opmode, if appropriate */
315 	if (test_bit(DPU_SSPP_CSC, &ctx->cap->features))
316 		_sspp_setup_opmode(ctx, VIG_OP_CSC_EN | VIG_OP_CSC_SRC_DATAFMT,
317 			MSM_FORMAT_IS_YUV(fmt));
318 	else if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features))
319 		_sspp_setup_csc10_opmode(ctx,
320 			VIG_CSC_10_EN | VIG_CSC_10_SRC_DATAFMT,
321 			MSM_FORMAT_IS_YUV(fmt));
322 
323 	DPU_REG_WRITE(c, format_off, src_format);
324 	DPU_REG_WRITE(c, unpack_pat_off, unpack);
325 	DPU_REG_WRITE(c, op_mode_off, opmode);
326 
327 	/* clear previous UBWC error */
328 	DPU_REG_WRITE(c, SSPP_UBWC_ERROR_STATUS, BIT(31));
329 }
330 
dpu_hw_sspp_setup_pe_config(struct dpu_hw_sspp * ctx,struct dpu_hw_pixel_ext * pe_ext)331 static void dpu_hw_sspp_setup_pe_config(struct dpu_hw_sspp *ctx,
332 		struct dpu_hw_pixel_ext *pe_ext)
333 {
334 	struct dpu_hw_blk_reg_map *c;
335 	u8 color;
336 	u32 lr_pe[4], tb_pe[4], tot_req_pixels[4];
337 	const u32 bytemask = 0xff;
338 	const u32 shortmask = 0xffff;
339 
340 	if (!ctx || !pe_ext)
341 		return;
342 
343 	c = &ctx->hw;
344 
345 	/* program SW pixel extension override for all pipes*/
346 	for (color = 0; color < DPU_MAX_PLANES; color++) {
347 		/* color 2 has the same set of registers as color 1 */
348 		if (color == 2)
349 			continue;
350 
351 		lr_pe[color] = ((pe_ext->right_ftch[color] & bytemask) << 24)|
352 			((pe_ext->right_rpt[color] & bytemask) << 16)|
353 			((pe_ext->left_ftch[color] & bytemask) << 8)|
354 			(pe_ext->left_rpt[color] & bytemask);
355 
356 		tb_pe[color] = ((pe_ext->btm_ftch[color] & bytemask) << 24)|
357 			((pe_ext->btm_rpt[color] & bytemask) << 16)|
358 			((pe_ext->top_ftch[color] & bytemask) << 8)|
359 			(pe_ext->top_rpt[color] & bytemask);
360 
361 		tot_req_pixels[color] = (((pe_ext->roi_h[color] +
362 			pe_ext->num_ext_pxls_top[color] +
363 			pe_ext->num_ext_pxls_btm[color]) & shortmask) << 16) |
364 			((pe_ext->roi_w[color] +
365 			pe_ext->num_ext_pxls_left[color] +
366 			pe_ext->num_ext_pxls_right[color]) & shortmask);
367 	}
368 
369 	/* color 0 */
370 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_LR, lr_pe[0]);
371 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_TB, tb_pe[0]);
372 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_REQ_PIXELS,
373 			tot_req_pixels[0]);
374 
375 	/* color 1 and color 2 */
376 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_LR, lr_pe[1]);
377 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_TB, tb_pe[1]);
378 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS,
379 			tot_req_pixels[1]);
380 
381 	/* color 3 */
382 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_LR, lr_pe[3]);
383 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_TB, lr_pe[3]);
384 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_REQ_PIXELS,
385 			tot_req_pixels[3]);
386 }
387 
_dpu_hw_sspp_setup_scaler3(struct dpu_hw_sspp * ctx,struct dpu_hw_scaler3_cfg * scaler3_cfg,const struct msm_format * format)388 static void _dpu_hw_sspp_setup_scaler3(struct dpu_hw_sspp *ctx,
389 		struct dpu_hw_scaler3_cfg *scaler3_cfg,
390 		const struct msm_format *format)
391 {
392 	if (!ctx || !scaler3_cfg)
393 		return;
394 
395 	dpu_hw_setup_scaler3(&ctx->hw, scaler3_cfg,
396 			ctx->cap->sblk->scaler_blk.base,
397 			ctx->cap->sblk->scaler_blk.version,
398 			format);
399 }
400 
401 /*
402  * dpu_hw_sspp_setup_rects()
403  */
dpu_hw_sspp_setup_rects(struct dpu_sw_pipe * pipe,struct dpu_sw_pipe_cfg * cfg)404 static void dpu_hw_sspp_setup_rects(struct dpu_sw_pipe *pipe,
405 		struct dpu_sw_pipe_cfg *cfg)
406 {
407 	struct dpu_hw_sspp *ctx = pipe->sspp;
408 	struct dpu_hw_blk_reg_map *c;
409 	u32 src_size, src_xy, dst_size, dst_xy;
410 	u32 src_size_off, src_xy_off, out_size_off, out_xy_off;
411 
412 	if (!ctx || !cfg)
413 		return;
414 
415 	c = &ctx->hw;
416 
417 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
418 	    pipe->multirect_index == DPU_SSPP_RECT_0) {
419 		src_size_off = SSPP_SRC_SIZE;
420 		src_xy_off = SSPP_SRC_XY;
421 		out_size_off = SSPP_OUT_SIZE;
422 		out_xy_off = SSPP_OUT_XY;
423 	} else {
424 		src_size_off = SSPP_SRC_SIZE_REC1;
425 		src_xy_off = SSPP_SRC_XY_REC1;
426 		out_size_off = SSPP_OUT_SIZE_REC1;
427 		out_xy_off = SSPP_OUT_XY_REC1;
428 	}
429 
430 
431 	/* src and dest rect programming */
432 	src_xy = (cfg->src_rect.y1 << 16) | cfg->src_rect.x1;
433 	src_size = (drm_rect_height(&cfg->src_rect) << 16) |
434 		   drm_rect_width(&cfg->src_rect);
435 	dst_xy = (cfg->dst_rect.y1 << 16) | cfg->dst_rect.x1;
436 	dst_size = (drm_rect_height(&cfg->dst_rect) << 16) |
437 		drm_rect_width(&cfg->dst_rect);
438 
439 	/* rectangle register programming */
440 	DPU_REG_WRITE(c, src_size_off, src_size);
441 	DPU_REG_WRITE(c, src_xy_off, src_xy);
442 	DPU_REG_WRITE(c, out_size_off, dst_size);
443 	DPU_REG_WRITE(c, out_xy_off, dst_xy);
444 }
445 
dpu_hw_sspp_setup_sourceaddress(struct dpu_sw_pipe * pipe,struct dpu_hw_fmt_layout * layout)446 static void dpu_hw_sspp_setup_sourceaddress(struct dpu_sw_pipe *pipe,
447 		struct dpu_hw_fmt_layout *layout)
448 {
449 	struct dpu_hw_sspp *ctx = pipe->sspp;
450 	u32 ystride0, ystride1;
451 	int i;
452 
453 	if (!ctx)
454 		return;
455 
456 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
457 		for (i = 0; i < ARRAY_SIZE(layout->plane_addr); i++)
458 			DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR + i * 0x4,
459 					layout->plane_addr[i]);
460 	} else if (pipe->multirect_index == DPU_SSPP_RECT_0) {
461 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR,
462 				layout->plane_addr[0]);
463 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC2_ADDR,
464 				layout->plane_addr[2]);
465 	} else {
466 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC1_ADDR,
467 				layout->plane_addr[0]);
468 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC3_ADDR,
469 				layout->plane_addr[2]);
470 	}
471 
472 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO) {
473 		ystride0 = (layout->plane_pitch[0]) |
474 			(layout->plane_pitch[1] << 16);
475 		ystride1 = (layout->plane_pitch[2]) |
476 			(layout->plane_pitch[3] << 16);
477 	} else {
478 		ystride0 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE0);
479 		ystride1 = DPU_REG_READ(&ctx->hw, SSPP_SRC_YSTRIDE1);
480 
481 		if (pipe->multirect_index == DPU_SSPP_RECT_0) {
482 			ystride0 = (ystride0 & 0xFFFF0000) |
483 				(layout->plane_pitch[0] & 0x0000FFFF);
484 			ystride1 = (ystride1 & 0xFFFF0000)|
485 				(layout->plane_pitch[2] & 0x0000FFFF);
486 		} else {
487 			ystride0 = (ystride0 & 0x0000FFFF) |
488 				((layout->plane_pitch[0] << 16) &
489 				 0xFFFF0000);
490 			ystride1 = (ystride1 & 0x0000FFFF) |
491 				((layout->plane_pitch[2] << 16) &
492 				 0xFFFF0000);
493 		}
494 	}
495 
496 	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE0, ystride0);
497 	DPU_REG_WRITE(&ctx->hw, SSPP_SRC_YSTRIDE1, ystride1);
498 }
499 
dpu_hw_sspp_setup_csc(struct dpu_hw_sspp * ctx,const struct dpu_csc_cfg * data)500 static void dpu_hw_sspp_setup_csc(struct dpu_hw_sspp *ctx,
501 		const struct dpu_csc_cfg *data)
502 {
503 	u32 offset;
504 	bool csc10 = false;
505 
506 	if (!ctx || !data)
507 		return;
508 
509 	offset = ctx->cap->sblk->csc_blk.base;
510 
511 	if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features)) {
512 		offset += CSC_10BIT_OFFSET;
513 		csc10 = true;
514 	}
515 
516 	dpu_hw_csc_setup(&ctx->hw, offset, data, csc10);
517 }
518 
dpu_hw_sspp_setup_solidfill(struct dpu_sw_pipe * pipe,u32 color)519 static void dpu_hw_sspp_setup_solidfill(struct dpu_sw_pipe *pipe, u32 color)
520 {
521 	struct dpu_hw_sspp *ctx = pipe->sspp;
522 	struct dpu_hw_fmt_layout cfg;
523 
524 	if (!ctx)
525 		return;
526 
527 	/* cleanup source addresses */
528 	memset(&cfg, 0, sizeof(cfg));
529 	ctx->ops.setup_sourceaddress(pipe, &cfg);
530 
531 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
532 	    pipe->multirect_index == DPU_SSPP_RECT_0)
533 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR, color);
534 	else
535 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR_REC1,
536 				color);
537 }
538 
dpu_hw_sspp_setup_qos_lut(struct dpu_hw_sspp * ctx,struct dpu_hw_qos_cfg * cfg)539 static void dpu_hw_sspp_setup_qos_lut(struct dpu_hw_sspp *ctx,
540 				      struct dpu_hw_qos_cfg *cfg)
541 {
542 	if (!ctx || !cfg)
543 		return;
544 
545 	_dpu_hw_setup_qos_lut(&ctx->hw, SSPP_DANGER_LUT,
546 			      test_bit(DPU_SSPP_QOS_8LVL, &ctx->cap->features),
547 			      cfg);
548 }
549 
dpu_hw_sspp_setup_qos_ctrl(struct dpu_hw_sspp * ctx,bool danger_safe_en)550 static void dpu_hw_sspp_setup_qos_ctrl(struct dpu_hw_sspp *ctx,
551 				       bool danger_safe_en)
552 {
553 	if (!ctx)
554 		return;
555 
556 	DPU_REG_WRITE(&ctx->hw, SSPP_QOS_CTRL,
557 		      danger_safe_en ? SSPP_QOS_CTRL_DANGER_SAFE_EN : 0);
558 }
559 
dpu_hw_sspp_setup_cdp(struct dpu_sw_pipe * pipe,const struct msm_format * fmt,bool enable)560 static void dpu_hw_sspp_setup_cdp(struct dpu_sw_pipe *pipe,
561 				  const struct msm_format *fmt,
562 				  bool enable)
563 {
564 	struct dpu_hw_sspp *ctx = pipe->sspp;
565 	u32 cdp_cntl_offset = 0;
566 
567 	if (!ctx)
568 		return;
569 
570 	if (pipe->multirect_index == DPU_SSPP_RECT_SOLO ||
571 	    pipe->multirect_index == DPU_SSPP_RECT_0)
572 		cdp_cntl_offset = SSPP_CDP_CNTL;
573 	else
574 		cdp_cntl_offset = SSPP_CDP_CNTL_REC1;
575 
576 	dpu_setup_cdp(&ctx->hw, cdp_cntl_offset, fmt, enable);
577 }
578 
dpu_hw_sspp_setup_clk_force_ctrl(struct dpu_hw_sspp * ctx,bool enable)579 static bool dpu_hw_sspp_setup_clk_force_ctrl(struct dpu_hw_sspp *ctx, bool enable)
580 {
581 	static const struct dpu_clk_ctrl_reg sspp_clk_ctrl = {
582 		.reg_off = SSPP_CLK_CTRL,
583 		.bit_off = 0
584 	};
585 
586 	return dpu_hw_clk_force_ctrl(&ctx->hw, &sspp_clk_ctrl, enable);
587 }
588 
_setup_layer_ops(struct dpu_hw_sspp * c,unsigned long features,const struct dpu_mdss_version * mdss_rev)589 static void _setup_layer_ops(struct dpu_hw_sspp *c,
590 		unsigned long features, const struct dpu_mdss_version *mdss_rev)
591 {
592 	c->ops.setup_format = dpu_hw_sspp_setup_format;
593 	c->ops.setup_rects = dpu_hw_sspp_setup_rects;
594 	c->ops.setup_sourceaddress = dpu_hw_sspp_setup_sourceaddress;
595 	c->ops.setup_solidfill = dpu_hw_sspp_setup_solidfill;
596 	c->ops.setup_pe = dpu_hw_sspp_setup_pe_config;
597 
598 	if (test_bit(DPU_SSPP_QOS, &features)) {
599 		c->ops.setup_qos_lut = dpu_hw_sspp_setup_qos_lut;
600 		c->ops.setup_qos_ctrl = dpu_hw_sspp_setup_qos_ctrl;
601 	}
602 
603 	if (test_bit(DPU_SSPP_CSC, &features) ||
604 		test_bit(DPU_SSPP_CSC_10BIT, &features))
605 		c->ops.setup_csc = dpu_hw_sspp_setup_csc;
606 
607 	if (test_bit(DPU_SSPP_SMART_DMA_V1, &c->cap->features) ||
608 		test_bit(DPU_SSPP_SMART_DMA_V2, &c->cap->features))
609 		c->ops.setup_multirect = dpu_hw_sspp_setup_multirect;
610 
611 	if (test_bit(DPU_SSPP_SCALER_QSEED3_COMPATIBLE, &features))
612 		c->ops.setup_scaler = _dpu_hw_sspp_setup_scaler3;
613 
614 	if (test_bit(DPU_SSPP_CDP, &features))
615 		c->ops.setup_cdp = dpu_hw_sspp_setup_cdp;
616 
617 	if (mdss_rev->core_major_ver >= 9)
618 		c->ops.setup_clk_force_ctrl = dpu_hw_sspp_setup_clk_force_ctrl;
619 }
620 
621 #ifdef CONFIG_DEBUG_FS
_dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp * hw_pipe,struct dpu_kms * kms,struct dentry * entry)622 int _dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp *hw_pipe, struct dpu_kms *kms,
623 			      struct dentry *entry)
624 {
625 	const struct dpu_sspp_cfg *cfg = hw_pipe->cap;
626 	const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
627 	struct dentry *debugfs_root;
628 	char sspp_name[32];
629 
630 	snprintf(sspp_name, sizeof(sspp_name), "%d", hw_pipe->idx);
631 
632 	/* create overall sub-directory for the pipe */
633 	debugfs_root =
634 		debugfs_create_dir(sspp_name, entry);
635 
636 	/* don't error check these */
637 	debugfs_create_xul("features", 0600,
638 			debugfs_root, (unsigned long *)&hw_pipe->cap->features);
639 
640 	/* add register dump support */
641 	dpu_debugfs_create_regset32("src_blk", 0400,
642 			debugfs_root,
643 			cfg->base,
644 			cfg->len,
645 			kms);
646 
647 	if (sblk->scaler_blk.len)
648 		dpu_debugfs_create_regset32("scaler_blk", 0400,
649 				debugfs_root,
650 				sblk->scaler_blk.base + cfg->base,
651 				sblk->scaler_blk.len,
652 				kms);
653 
654 	if (cfg->features & BIT(DPU_SSPP_CSC) ||
655 			cfg->features & BIT(DPU_SSPP_CSC_10BIT))
656 		dpu_debugfs_create_regset32("csc_blk", 0400,
657 				debugfs_root,
658 				sblk->csc_blk.base + cfg->base,
659 				sblk->csc_blk.len,
660 				kms);
661 
662 	debugfs_create_u32("xin_id",
663 			0400,
664 			debugfs_root,
665 			(u32 *) &cfg->xin_id);
666 	debugfs_create_u32("clk_ctrl",
667 			0400,
668 			debugfs_root,
669 			(u32 *) &cfg->clk_ctrl);
670 
671 	return 0;
672 }
673 #endif
674 
dpu_hw_sspp_init(struct drm_device * dev,const struct dpu_sspp_cfg * cfg,void __iomem * addr,const struct msm_mdss_data * mdss_data,const struct dpu_mdss_version * mdss_rev)675 struct dpu_hw_sspp *dpu_hw_sspp_init(struct drm_device *dev,
676 				     const struct dpu_sspp_cfg *cfg,
677 				     void __iomem *addr,
678 				     const struct msm_mdss_data *mdss_data,
679 				     const struct dpu_mdss_version *mdss_rev)
680 {
681 	struct dpu_hw_sspp *hw_pipe;
682 
683 	if (!addr)
684 		return ERR_PTR(-EINVAL);
685 
686 	hw_pipe = drmm_kzalloc(dev, sizeof(*hw_pipe), GFP_KERNEL);
687 	if (!hw_pipe)
688 		return ERR_PTR(-ENOMEM);
689 
690 	hw_pipe->hw.blk_addr = addr + cfg->base;
691 	hw_pipe->hw.log_mask = DPU_DBG_MASK_SSPP;
692 
693 	/* Assign ops */
694 	hw_pipe->ubwc = mdss_data;
695 	hw_pipe->idx = cfg->id;
696 	hw_pipe->cap = cfg;
697 	_setup_layer_ops(hw_pipe, hw_pipe->cap->features, mdss_rev);
698 
699 	return hw_pipe;
700 }
701