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 <drm/drm_file.h>
12 
13 #define DPU_FETCH_CONFIG_RESET_VALUE   0x00000087
14 
15 /* DPU_SSPP_SRC */
16 #define SSPP_SRC_SIZE                      0x00
17 #define SSPP_SRC_XY                        0x08
18 #define SSPP_OUT_SIZE                      0x0c
19 #define SSPP_OUT_XY                        0x10
20 #define SSPP_SRC0_ADDR                     0x14
21 #define SSPP_SRC1_ADDR                     0x18
22 #define SSPP_SRC2_ADDR                     0x1C
23 #define SSPP_SRC3_ADDR                     0x20
24 #define SSPP_SRC_YSTRIDE0                  0x24
25 #define SSPP_SRC_YSTRIDE1                  0x28
26 #define SSPP_SRC_FORMAT                    0x30
27 #define SSPP_SRC_UNPACK_PATTERN            0x34
28 #define SSPP_SRC_OP_MODE                   0x38
29 
30 /* SSPP_MULTIRECT*/
31 #define SSPP_SRC_SIZE_REC1                 0x16C
32 #define SSPP_SRC_XY_REC1                   0x168
33 #define SSPP_OUT_SIZE_REC1                 0x160
34 #define SSPP_OUT_XY_REC1                   0x164
35 #define SSPP_SRC_FORMAT_REC1               0x174
36 #define SSPP_SRC_UNPACK_PATTERN_REC1       0x178
37 #define SSPP_SRC_OP_MODE_REC1              0x17C
38 #define SSPP_MULTIRECT_OPMODE              0x170
39 #define SSPP_SRC_CONSTANT_COLOR_REC1       0x180
40 #define SSPP_EXCL_REC_SIZE_REC1            0x184
41 #define SSPP_EXCL_REC_XY_REC1              0x188
42 
43 #define MDSS_MDP_OP_DEINTERLACE            BIT(22)
44 #define MDSS_MDP_OP_DEINTERLACE_ODD        BIT(23)
45 #define MDSS_MDP_OP_IGC_ROM_1              BIT(18)
46 #define MDSS_MDP_OP_IGC_ROM_0              BIT(17)
47 #define MDSS_MDP_OP_IGC_EN                 BIT(16)
48 #define MDSS_MDP_OP_FLIP_UD                BIT(14)
49 #define MDSS_MDP_OP_FLIP_LR                BIT(13)
50 #define MDSS_MDP_OP_BWC_EN                 BIT(0)
51 #define MDSS_MDP_OP_PE_OVERRIDE            BIT(31)
52 #define MDSS_MDP_OP_BWC_LOSSLESS           (0 << 1)
53 #define MDSS_MDP_OP_BWC_Q_HIGH             (1 << 1)
54 #define MDSS_MDP_OP_BWC_Q_MED              (2 << 1)
55 
56 #define SSPP_SRC_CONSTANT_COLOR            0x3c
57 #define SSPP_EXCL_REC_CTL                  0x40
58 #define SSPP_UBWC_STATIC_CTRL              0x44
59 #define SSPP_FETCH_CONFIG                  0x048
60 #define SSPP_DANGER_LUT                    0x60
61 #define SSPP_SAFE_LUT                      0x64
62 #define SSPP_CREQ_LUT                      0x68
63 #define SSPP_QOS_CTRL                      0x6C
64 #define SSPP_DECIMATION_CONFIG             0xB4
65 #define SSPP_SRC_ADDR_SW_STATUS            0x70
66 #define SSPP_CREQ_LUT_0                    0x74
67 #define SSPP_CREQ_LUT_1                    0x78
68 #define SSPP_SW_PIX_EXT_C0_LR              0x100
69 #define SSPP_SW_PIX_EXT_C0_TB              0x104
70 #define SSPP_SW_PIX_EXT_C0_REQ_PIXELS      0x108
71 #define SSPP_SW_PIX_EXT_C1C2_LR            0x110
72 #define SSPP_SW_PIX_EXT_C1C2_TB            0x114
73 #define SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS    0x118
74 #define SSPP_SW_PIX_EXT_C3_LR              0x120
75 #define SSPP_SW_PIX_EXT_C3_TB              0x124
76 #define SSPP_SW_PIX_EXT_C3_REQ_PIXELS      0x128
77 #define SSPP_TRAFFIC_SHAPER                0x130
78 #define SSPP_CDP_CNTL                      0x134
79 #define SSPP_UBWC_ERROR_STATUS             0x138
80 #define SSPP_CDP_CNTL_REC1                 0x13c
81 #define SSPP_TRAFFIC_SHAPER_PREFILL        0x150
82 #define SSPP_TRAFFIC_SHAPER_REC1_PREFILL   0x154
83 #define SSPP_TRAFFIC_SHAPER_REC1           0x158
84 #define SSPP_EXCL_REC_SIZE                 0x1B4
85 #define SSPP_EXCL_REC_XY                   0x1B8
86 #define SSPP_VIG_OP_MODE                   0x0
87 #define SSPP_VIG_CSC_10_OP_MODE            0x0
88 #define SSPP_TRAFFIC_SHAPER_BPC_MAX        0xFF
89 
90 /* SSPP_QOS_CTRL */
91 #define SSPP_QOS_CTRL_VBLANK_EN            BIT(16)
92 #define SSPP_QOS_CTRL_DANGER_SAFE_EN       BIT(0)
93 #define SSPP_QOS_CTRL_DANGER_VBLANK_MASK   0x3
94 #define SSPP_QOS_CTRL_DANGER_VBLANK_OFF    4
95 #define SSPP_QOS_CTRL_CREQ_VBLANK_MASK     0x3
96 #define SSPP_QOS_CTRL_CREQ_VBLANK_OFF      20
97 
98 /* DPU_SSPP_SCALER_QSEED2 */
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 /*
111  * Definitions for ViG op modes
112  */
113 #define VIG_OP_CSC_DST_DATAFMT BIT(19)
114 #define VIG_OP_CSC_SRC_DATAFMT BIT(18)
115 #define VIG_OP_CSC_EN          BIT(17)
116 #define VIG_OP_MEM_PROT_CONT   BIT(15)
117 #define VIG_OP_MEM_PROT_VAL    BIT(14)
118 #define VIG_OP_MEM_PROT_SAT    BIT(13)
119 #define VIG_OP_MEM_PROT_HUE    BIT(12)
120 #define VIG_OP_HIST            BIT(8)
121 #define VIG_OP_SKY_COL         BIT(7)
122 #define VIG_OP_FOIL            BIT(6)
123 #define VIG_OP_SKIN_COL        BIT(5)
124 #define VIG_OP_PA_EN           BIT(4)
125 #define VIG_OP_PA_SAT_ZERO_EXP BIT(2)
126 #define VIG_OP_MEM_PROT_BLEND  BIT(1)
127 
128 /*
129  * Definitions for CSC 10 op modes
130  */
131 #define VIG_CSC_10_SRC_DATAFMT BIT(1)
132 #define VIG_CSC_10_EN          BIT(0)
133 #define CSC_10BIT_OFFSET       4
134 
135 /* traffic shaper clock in Hz */
136 #define TS_CLK			19200000
137 
138 
139 static int _sspp_subblk_offset(struct dpu_hw_sspp *ctx,
140 		int s_id,
141 		u32 *idx)
142 {
143 	int rc = 0;
144 	const struct dpu_sspp_sub_blks *sblk;
145 
146 	if (!ctx || !ctx->cap || !ctx->cap->sblk)
147 		return -EINVAL;
148 
149 	sblk = ctx->cap->sblk;
150 
151 	switch (s_id) {
152 	case DPU_SSPP_SRC:
153 		*idx = sblk->src_blk.base;
154 		break;
155 	case DPU_SSPP_SCALER_QSEED2:
156 	case DPU_SSPP_SCALER_QSEED3:
157 	case DPU_SSPP_SCALER_RGB:
158 		*idx = sblk->scaler_blk.base;
159 		break;
160 	case DPU_SSPP_CSC:
161 	case DPU_SSPP_CSC_10BIT:
162 		*idx = sblk->csc_blk.base;
163 		break;
164 	default:
165 		rc = -EINVAL;
166 	}
167 
168 	return rc;
169 }
170 
171 static void dpu_hw_sspp_setup_multirect(struct dpu_hw_sspp *ctx,
172 		enum dpu_sspp_multirect_index index,
173 		enum dpu_sspp_multirect_mode mode)
174 {
175 	u32 mode_mask;
176 	u32 idx;
177 
178 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
179 		return;
180 
181 	if (index == DPU_SSPP_RECT_SOLO) {
182 		/**
183 		 * if rect index is RECT_SOLO, we cannot expect a
184 		 * virtual plane sharing the same SSPP id. So we go
185 		 * and disable multirect
186 		 */
187 		mode_mask = 0;
188 	} else {
189 		mode_mask = DPU_REG_READ(&ctx->hw, SSPP_MULTIRECT_OPMODE + idx);
190 		mode_mask |= index;
191 		if (mode == DPU_SSPP_MULTIRECT_TIME_MX)
192 			mode_mask |= BIT(2);
193 		else
194 			mode_mask &= ~BIT(2);
195 	}
196 
197 	DPU_REG_WRITE(&ctx->hw, SSPP_MULTIRECT_OPMODE + idx, mode_mask);
198 }
199 
200 static void _sspp_setup_opmode(struct dpu_hw_sspp *ctx,
201 		u32 mask, u8 en)
202 {
203 	u32 idx;
204 	u32 opmode;
205 
206 	if (!test_bit(DPU_SSPP_SCALER_QSEED2, &ctx->cap->features) ||
207 		_sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED2, &idx) ||
208 		!test_bit(DPU_SSPP_CSC, &ctx->cap->features))
209 		return;
210 
211 	opmode = DPU_REG_READ(&ctx->hw, SSPP_VIG_OP_MODE + idx);
212 
213 	if (en)
214 		opmode |= mask;
215 	else
216 		opmode &= ~mask;
217 
218 	DPU_REG_WRITE(&ctx->hw, SSPP_VIG_OP_MODE + idx, opmode);
219 }
220 
221 static void _sspp_setup_csc10_opmode(struct dpu_hw_sspp *ctx,
222 		u32 mask, u8 en)
223 {
224 	u32 idx;
225 	u32 opmode;
226 
227 	if (_sspp_subblk_offset(ctx, DPU_SSPP_CSC_10BIT, &idx))
228 		return;
229 
230 	opmode = DPU_REG_READ(&ctx->hw, SSPP_VIG_CSC_10_OP_MODE + idx);
231 	if (en)
232 		opmode |= mask;
233 	else
234 		opmode &= ~mask;
235 
236 	DPU_REG_WRITE(&ctx->hw, SSPP_VIG_CSC_10_OP_MODE + idx, opmode);
237 }
238 
239 /*
240  * Setup source pixel format, flip,
241  */
242 static void dpu_hw_sspp_setup_format(struct dpu_hw_sspp *ctx,
243 		const struct dpu_format *fmt, u32 flags,
244 		enum dpu_sspp_multirect_index rect_mode)
245 {
246 	struct dpu_hw_blk_reg_map *c;
247 	u32 chroma_samp, unpack, src_format;
248 	u32 opmode = 0;
249 	u32 fast_clear = 0;
250 	u32 op_mode_off, unpack_pat_off, format_off;
251 	u32 idx;
252 
253 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx) || !fmt)
254 		return;
255 
256 	if (rect_mode == DPU_SSPP_RECT_SOLO || rect_mode == DPU_SSPP_RECT_0) {
257 		op_mode_off = SSPP_SRC_OP_MODE;
258 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN;
259 		format_off = SSPP_SRC_FORMAT;
260 	} else {
261 		op_mode_off = SSPP_SRC_OP_MODE_REC1;
262 		unpack_pat_off = SSPP_SRC_UNPACK_PATTERN_REC1;
263 		format_off = SSPP_SRC_FORMAT_REC1;
264 	}
265 
266 	c = &ctx->hw;
267 	opmode = DPU_REG_READ(c, op_mode_off + idx);
268 	opmode &= ~(MDSS_MDP_OP_FLIP_LR | MDSS_MDP_OP_FLIP_UD |
269 			MDSS_MDP_OP_BWC_EN | MDSS_MDP_OP_PE_OVERRIDE);
270 
271 	if (flags & DPU_SSPP_FLIP_LR)
272 		opmode |= MDSS_MDP_OP_FLIP_LR;
273 	if (flags & DPU_SSPP_FLIP_UD)
274 		opmode |= MDSS_MDP_OP_FLIP_UD;
275 
276 	chroma_samp = fmt->chroma_sample;
277 	if (flags & DPU_SSPP_SOURCE_ROTATED_90) {
278 		if (chroma_samp == DPU_CHROMA_H2V1)
279 			chroma_samp = DPU_CHROMA_H1V2;
280 		else if (chroma_samp == DPU_CHROMA_H1V2)
281 			chroma_samp = DPU_CHROMA_H2V1;
282 	}
283 
284 	src_format = (chroma_samp << 23) | (fmt->fetch_planes << 19) |
285 		(fmt->bits[C3_ALPHA] << 6) | (fmt->bits[C2_R_Cr] << 4) |
286 		(fmt->bits[C1_B_Cb] << 2) | (fmt->bits[C0_G_Y] << 0);
287 
288 	if (flags & DPU_SSPP_ROT_90)
289 		src_format |= BIT(11); /* ROT90 */
290 
291 	if (fmt->alpha_enable && fmt->fetch_planes == DPU_PLANE_INTERLEAVED)
292 		src_format |= BIT(8); /* SRCC3_EN */
293 
294 	if (flags & DPU_SSPP_SOLID_FILL)
295 		src_format |= BIT(22);
296 
297 	unpack = (fmt->element[3] << 24) | (fmt->element[2] << 16) |
298 		(fmt->element[1] << 8) | (fmt->element[0] << 0);
299 	src_format |= ((fmt->unpack_count - 1) << 12) |
300 		(fmt->unpack_tight << 17) |
301 		(fmt->unpack_align_msb << 18) |
302 		((fmt->bpp - 1) << 9);
303 
304 	if (fmt->fetch_mode != DPU_FETCH_LINEAR) {
305 		if (DPU_FORMAT_IS_UBWC(fmt))
306 			opmode |= MDSS_MDP_OP_BWC_EN;
307 		src_format |= (fmt->fetch_mode & 3) << 30; /*FRAME_FORMAT */
308 		DPU_REG_WRITE(c, SSPP_FETCH_CONFIG,
309 			DPU_FETCH_CONFIG_RESET_VALUE |
310 			ctx->mdp->highest_bank_bit << 18);
311 		switch (ctx->catalog->caps->ubwc_version) {
312 		case DPU_HW_UBWC_VER_10:
313 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
314 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
315 					fast_clear | (ctx->mdp->ubwc_swizzle & 0x1) |
316 					BIT(8) |
317 					(ctx->mdp->highest_bank_bit << 4));
318 			break;
319 		case DPU_HW_UBWC_VER_20:
320 			fast_clear = fmt->alpha_enable ? BIT(31) : 0;
321 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
322 					fast_clear | (ctx->mdp->ubwc_swizzle) |
323 					(ctx->mdp->highest_bank_bit << 4));
324 			break;
325 		case DPU_HW_UBWC_VER_30:
326 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
327 					BIT(30) | (ctx->mdp->ubwc_swizzle) |
328 					(ctx->mdp->highest_bank_bit << 4));
329 			break;
330 		case DPU_HW_UBWC_VER_40:
331 			DPU_REG_WRITE(c, SSPP_UBWC_STATIC_CTRL,
332 					DPU_FORMAT_IS_YUV(fmt) ? 0 : BIT(30));
333 			break;
334 		}
335 	}
336 
337 	opmode |= MDSS_MDP_OP_PE_OVERRIDE;
338 
339 	/* if this is YUV pixel format, enable CSC */
340 	if (DPU_FORMAT_IS_YUV(fmt))
341 		src_format |= BIT(15);
342 
343 	if (DPU_FORMAT_IS_DX(fmt))
344 		src_format |= BIT(14);
345 
346 	/* update scaler opmode, if appropriate */
347 	if (test_bit(DPU_SSPP_CSC, &ctx->cap->features))
348 		_sspp_setup_opmode(ctx, VIG_OP_CSC_EN | VIG_OP_CSC_SRC_DATAFMT,
349 			DPU_FORMAT_IS_YUV(fmt));
350 	else if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features))
351 		_sspp_setup_csc10_opmode(ctx,
352 			VIG_CSC_10_EN | VIG_CSC_10_SRC_DATAFMT,
353 			DPU_FORMAT_IS_YUV(fmt));
354 
355 	DPU_REG_WRITE(c, format_off + idx, src_format);
356 	DPU_REG_WRITE(c, unpack_pat_off + idx, unpack);
357 	DPU_REG_WRITE(c, op_mode_off + idx, opmode);
358 
359 	/* clear previous UBWC error */
360 	DPU_REG_WRITE(c, SSPP_UBWC_ERROR_STATUS + idx, BIT(31));
361 }
362 
363 static void dpu_hw_sspp_setup_pe_config(struct dpu_hw_sspp *ctx,
364 		struct dpu_hw_pixel_ext *pe_ext)
365 {
366 	struct dpu_hw_blk_reg_map *c;
367 	u8 color;
368 	u32 lr_pe[4], tb_pe[4], tot_req_pixels[4];
369 	const u32 bytemask = 0xff;
370 	const u32 shortmask = 0xffff;
371 	u32 idx;
372 
373 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx) || !pe_ext)
374 		return;
375 
376 	c = &ctx->hw;
377 
378 	/* program SW pixel extension override for all pipes*/
379 	for (color = 0; color < DPU_MAX_PLANES; color++) {
380 		/* color 2 has the same set of registers as color 1 */
381 		if (color == 2)
382 			continue;
383 
384 		lr_pe[color] = ((pe_ext->right_ftch[color] & bytemask) << 24)|
385 			((pe_ext->right_rpt[color] & bytemask) << 16)|
386 			((pe_ext->left_ftch[color] & bytemask) << 8)|
387 			(pe_ext->left_rpt[color] & bytemask);
388 
389 		tb_pe[color] = ((pe_ext->btm_ftch[color] & bytemask) << 24)|
390 			((pe_ext->btm_rpt[color] & bytemask) << 16)|
391 			((pe_ext->top_ftch[color] & bytemask) << 8)|
392 			(pe_ext->top_rpt[color] & bytemask);
393 
394 		tot_req_pixels[color] = (((pe_ext->roi_h[color] +
395 			pe_ext->num_ext_pxls_top[color] +
396 			pe_ext->num_ext_pxls_btm[color]) & shortmask) << 16) |
397 			((pe_ext->roi_w[color] +
398 			pe_ext->num_ext_pxls_left[color] +
399 			pe_ext->num_ext_pxls_right[color]) & shortmask);
400 	}
401 
402 	/* color 0 */
403 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_LR + idx, lr_pe[0]);
404 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_TB + idx, tb_pe[0]);
405 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C0_REQ_PIXELS + idx,
406 			tot_req_pixels[0]);
407 
408 	/* color 1 and color 2 */
409 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_LR + idx, lr_pe[1]);
410 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_TB + idx, tb_pe[1]);
411 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C1C2_REQ_PIXELS + idx,
412 			tot_req_pixels[1]);
413 
414 	/* color 3 */
415 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_LR + idx, lr_pe[3]);
416 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_TB + idx, lr_pe[3]);
417 	DPU_REG_WRITE(c, SSPP_SW_PIX_EXT_C3_REQ_PIXELS + idx,
418 			tot_req_pixels[3]);
419 }
420 
421 static void _dpu_hw_sspp_setup_scaler3(struct dpu_hw_sspp *ctx,
422 		struct dpu_hw_sspp_cfg *sspp,
423 		void *scaler_cfg)
424 {
425 	u32 idx;
426 	struct dpu_hw_scaler3_cfg *scaler3_cfg = scaler_cfg;
427 
428 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED3, &idx) || !sspp
429 		|| !scaler3_cfg)
430 		return;
431 
432 	dpu_hw_setup_scaler3(&ctx->hw, scaler3_cfg, idx,
433 			ctx->cap->sblk->scaler_blk.version,
434 			sspp->layout.format);
435 }
436 
437 static u32 _dpu_hw_sspp_get_scaler3_ver(struct dpu_hw_sspp *ctx)
438 {
439 	u32 idx;
440 
441 	if (!ctx || _sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED3, &idx))
442 		return 0;
443 
444 	return dpu_hw_get_scaler3_ver(&ctx->hw, idx);
445 }
446 
447 /*
448  * dpu_hw_sspp_setup_rects()
449  */
450 static void dpu_hw_sspp_setup_rects(struct dpu_hw_sspp *ctx,
451 		struct dpu_hw_sspp_cfg *cfg,
452 		enum dpu_sspp_multirect_index rect_index)
453 {
454 	struct dpu_hw_blk_reg_map *c;
455 	u32 src_size, src_xy, dst_size, dst_xy, ystride0, ystride1;
456 	u32 src_size_off, src_xy_off, out_size_off, out_xy_off;
457 	u32 idx;
458 
459 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx) || !cfg)
460 		return;
461 
462 	c = &ctx->hw;
463 
464 	if (rect_index == DPU_SSPP_RECT_SOLO || rect_index == DPU_SSPP_RECT_0) {
465 		src_size_off = SSPP_SRC_SIZE;
466 		src_xy_off = SSPP_SRC_XY;
467 		out_size_off = SSPP_OUT_SIZE;
468 		out_xy_off = SSPP_OUT_XY;
469 	} else {
470 		src_size_off = SSPP_SRC_SIZE_REC1;
471 		src_xy_off = SSPP_SRC_XY_REC1;
472 		out_size_off = SSPP_OUT_SIZE_REC1;
473 		out_xy_off = SSPP_OUT_XY_REC1;
474 	}
475 
476 
477 	/* src and dest rect programming */
478 	src_xy = (cfg->src_rect.y1 << 16) | cfg->src_rect.x1;
479 	src_size = (drm_rect_height(&cfg->src_rect) << 16) |
480 		   drm_rect_width(&cfg->src_rect);
481 	dst_xy = (cfg->dst_rect.y1 << 16) | cfg->dst_rect.x1;
482 	dst_size = (drm_rect_height(&cfg->dst_rect) << 16) |
483 		drm_rect_width(&cfg->dst_rect);
484 
485 	if (rect_index == DPU_SSPP_RECT_SOLO) {
486 		ystride0 = (cfg->layout.plane_pitch[0]) |
487 			(cfg->layout.plane_pitch[1] << 16);
488 		ystride1 = (cfg->layout.plane_pitch[2]) |
489 			(cfg->layout.plane_pitch[3] << 16);
490 	} else {
491 		ystride0 = DPU_REG_READ(c, SSPP_SRC_YSTRIDE0 + idx);
492 		ystride1 = DPU_REG_READ(c, SSPP_SRC_YSTRIDE1 + idx);
493 
494 		if (rect_index == DPU_SSPP_RECT_0) {
495 			ystride0 = (ystride0 & 0xFFFF0000) |
496 				(cfg->layout.plane_pitch[0] & 0x0000FFFF);
497 			ystride1 = (ystride1 & 0xFFFF0000)|
498 				(cfg->layout.plane_pitch[2] & 0x0000FFFF);
499 		} else {
500 			ystride0 = (ystride0 & 0x0000FFFF) |
501 				((cfg->layout.plane_pitch[0] << 16) &
502 				 0xFFFF0000);
503 			ystride1 = (ystride1 & 0x0000FFFF) |
504 				((cfg->layout.plane_pitch[2] << 16) &
505 				 0xFFFF0000);
506 		}
507 	}
508 
509 	/* rectangle register programming */
510 	DPU_REG_WRITE(c, src_size_off + idx, src_size);
511 	DPU_REG_WRITE(c, src_xy_off + idx, src_xy);
512 	DPU_REG_WRITE(c, out_size_off + idx, dst_size);
513 	DPU_REG_WRITE(c, out_xy_off + idx, dst_xy);
514 
515 	DPU_REG_WRITE(c, SSPP_SRC_YSTRIDE0 + idx, ystride0);
516 	DPU_REG_WRITE(c, SSPP_SRC_YSTRIDE1 + idx, ystride1);
517 }
518 
519 static void dpu_hw_sspp_setup_sourceaddress(struct dpu_hw_sspp *ctx,
520 		struct dpu_hw_sspp_cfg *cfg,
521 		enum dpu_sspp_multirect_index rect_mode)
522 {
523 	int i;
524 	u32 idx;
525 
526 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
527 		return;
528 
529 	if (rect_mode == DPU_SSPP_RECT_SOLO) {
530 		for (i = 0; i < ARRAY_SIZE(cfg->layout.plane_addr); i++)
531 			DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR + idx + i * 0x4,
532 					cfg->layout.plane_addr[i]);
533 	} else if (rect_mode == DPU_SSPP_RECT_0) {
534 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC0_ADDR + idx,
535 				cfg->layout.plane_addr[0]);
536 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC2_ADDR + idx,
537 				cfg->layout.plane_addr[2]);
538 	} else {
539 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC1_ADDR + idx,
540 				cfg->layout.plane_addr[0]);
541 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC3_ADDR + idx,
542 				cfg->layout.plane_addr[2]);
543 	}
544 }
545 
546 static void dpu_hw_sspp_setup_csc(struct dpu_hw_sspp *ctx,
547 		const struct dpu_csc_cfg *data)
548 {
549 	u32 idx;
550 	bool csc10 = false;
551 
552 	if (_sspp_subblk_offset(ctx, DPU_SSPP_CSC, &idx) || !data)
553 		return;
554 
555 	if (test_bit(DPU_SSPP_CSC_10BIT, &ctx->cap->features)) {
556 		idx += CSC_10BIT_OFFSET;
557 		csc10 = true;
558 	}
559 
560 	dpu_hw_csc_setup(&ctx->hw, idx, data, csc10);
561 }
562 
563 static void dpu_hw_sspp_setup_solidfill(struct dpu_hw_sspp *ctx, u32 color, enum
564 		dpu_sspp_multirect_index rect_index)
565 {
566 	u32 idx;
567 
568 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
569 		return;
570 
571 	if (rect_index == DPU_SSPP_RECT_SOLO || rect_index == DPU_SSPP_RECT_0)
572 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR + idx, color);
573 	else
574 		DPU_REG_WRITE(&ctx->hw, SSPP_SRC_CONSTANT_COLOR_REC1 + idx,
575 				color);
576 }
577 
578 static void dpu_hw_sspp_setup_danger_safe_lut(struct dpu_hw_sspp *ctx,
579 			u32 danger_lut,
580 			u32 safe_lut)
581 {
582 	u32 idx;
583 
584 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
585 		return;
586 
587 	DPU_REG_WRITE(&ctx->hw, SSPP_DANGER_LUT + idx, danger_lut);
588 	DPU_REG_WRITE(&ctx->hw, SSPP_SAFE_LUT + idx, safe_lut);
589 }
590 
591 static void dpu_hw_sspp_setup_creq_lut(struct dpu_hw_sspp *ctx,
592 			u64 creq_lut)
593 {
594 	u32 idx;
595 
596 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
597 		return;
598 
599 	if (ctx->cap && test_bit(DPU_SSPP_QOS_8LVL, &ctx->cap->features)) {
600 		DPU_REG_WRITE(&ctx->hw, SSPP_CREQ_LUT_0 + idx, creq_lut);
601 		DPU_REG_WRITE(&ctx->hw, SSPP_CREQ_LUT_1 + idx,
602 				creq_lut >> 32);
603 	} else {
604 		DPU_REG_WRITE(&ctx->hw, SSPP_CREQ_LUT + idx, creq_lut);
605 	}
606 }
607 
608 static void dpu_hw_sspp_setup_qos_ctrl(struct dpu_hw_sspp *ctx,
609 		struct dpu_hw_pipe_qos_cfg *cfg)
610 {
611 	u32 idx;
612 	u32 qos_ctrl = 0;
613 
614 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
615 		return;
616 
617 	if (cfg->vblank_en) {
618 		qos_ctrl |= ((cfg->creq_vblank &
619 				SSPP_QOS_CTRL_CREQ_VBLANK_MASK) <<
620 				SSPP_QOS_CTRL_CREQ_VBLANK_OFF);
621 		qos_ctrl |= ((cfg->danger_vblank &
622 				SSPP_QOS_CTRL_DANGER_VBLANK_MASK) <<
623 				SSPP_QOS_CTRL_DANGER_VBLANK_OFF);
624 		qos_ctrl |= SSPP_QOS_CTRL_VBLANK_EN;
625 	}
626 
627 	if (cfg->danger_safe_en)
628 		qos_ctrl |= SSPP_QOS_CTRL_DANGER_SAFE_EN;
629 
630 	DPU_REG_WRITE(&ctx->hw, SSPP_QOS_CTRL + idx, qos_ctrl);
631 }
632 
633 static void dpu_hw_sspp_setup_cdp(struct dpu_hw_sspp *ctx,
634 		struct dpu_hw_cdp_cfg *cfg,
635 		enum dpu_sspp_multirect_index index)
636 {
637 	u32 idx;
638 	u32 cdp_cntl = 0;
639 	u32 cdp_cntl_offset = 0;
640 
641 	if (!ctx || !cfg)
642 		return;
643 
644 	if (_sspp_subblk_offset(ctx, DPU_SSPP_SRC, &idx))
645 		return;
646 
647 	if (index == DPU_SSPP_RECT_SOLO || index == DPU_SSPP_RECT_0)
648 		cdp_cntl_offset = SSPP_CDP_CNTL;
649 	else
650 		cdp_cntl_offset = SSPP_CDP_CNTL_REC1;
651 
652 	if (cfg->enable)
653 		cdp_cntl |= BIT(0);
654 	if (cfg->ubwc_meta_enable)
655 		cdp_cntl |= BIT(1);
656 	if (cfg->tile_amortize_enable)
657 		cdp_cntl |= BIT(2);
658 	if (cfg->preload_ahead == DPU_SSPP_CDP_PRELOAD_AHEAD_64)
659 		cdp_cntl |= BIT(3);
660 
661 	DPU_REG_WRITE(&ctx->hw, cdp_cntl_offset, cdp_cntl);
662 }
663 
664 static void _setup_layer_ops(struct dpu_hw_sspp *c,
665 		unsigned long features)
666 {
667 	if (test_bit(DPU_SSPP_SRC, &features)) {
668 		c->ops.setup_format = dpu_hw_sspp_setup_format;
669 		c->ops.setup_rects = dpu_hw_sspp_setup_rects;
670 		c->ops.setup_sourceaddress = dpu_hw_sspp_setup_sourceaddress;
671 		c->ops.setup_solidfill = dpu_hw_sspp_setup_solidfill;
672 		c->ops.setup_pe = dpu_hw_sspp_setup_pe_config;
673 	}
674 
675 	if (test_bit(DPU_SSPP_QOS, &features)) {
676 		c->ops.setup_danger_safe_lut =
677 			dpu_hw_sspp_setup_danger_safe_lut;
678 		c->ops.setup_creq_lut = dpu_hw_sspp_setup_creq_lut;
679 		c->ops.setup_qos_ctrl = dpu_hw_sspp_setup_qos_ctrl;
680 	}
681 
682 	if (test_bit(DPU_SSPP_CSC, &features) ||
683 		test_bit(DPU_SSPP_CSC_10BIT, &features))
684 		c->ops.setup_csc = dpu_hw_sspp_setup_csc;
685 
686 	if (test_bit(DPU_SSPP_SMART_DMA_V1, &c->cap->features) ||
687 		test_bit(DPU_SSPP_SMART_DMA_V2, &c->cap->features))
688 		c->ops.setup_multirect = dpu_hw_sspp_setup_multirect;
689 
690 	if (test_bit(DPU_SSPP_SCALER_QSEED3, &features) ||
691 			test_bit(DPU_SSPP_SCALER_QSEED3LITE, &features) ||
692 			test_bit(DPU_SSPP_SCALER_QSEED4, &features)) {
693 		c->ops.setup_scaler = _dpu_hw_sspp_setup_scaler3;
694 		c->ops.get_scaler_ver = _dpu_hw_sspp_get_scaler3_ver;
695 	}
696 
697 	if (test_bit(DPU_SSPP_CDP, &features))
698 		c->ops.setup_cdp = dpu_hw_sspp_setup_cdp;
699 }
700 
701 #ifdef CONFIG_DEBUG_FS
702 int _dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp *hw_pipe, struct dpu_kms *kms,
703 			      struct dentry *entry)
704 {
705 	const struct dpu_sspp_cfg *cfg = hw_pipe->cap;
706 	const struct dpu_sspp_sub_blks *sblk = cfg->sblk;
707 	struct dentry *debugfs_root;
708 	char sspp_name[32];
709 
710 	snprintf(sspp_name, sizeof(sspp_name), "%d", hw_pipe->idx);
711 
712 	/* create overall sub-directory for the pipe */
713 	debugfs_root =
714 		debugfs_create_dir(sspp_name, entry);
715 
716 	/* don't error check these */
717 	debugfs_create_xul("features", 0600,
718 			debugfs_root, (unsigned long *)&hw_pipe->cap->features);
719 
720 	/* add register dump support */
721 	dpu_debugfs_create_regset32("src_blk", 0400,
722 			debugfs_root,
723 			sblk->src_blk.base + cfg->base,
724 			sblk->src_blk.len,
725 			kms);
726 
727 	if (cfg->features & BIT(DPU_SSPP_SCALER_QSEED3) ||
728 			cfg->features & BIT(DPU_SSPP_SCALER_QSEED3LITE) ||
729 			cfg->features & BIT(DPU_SSPP_SCALER_QSEED2) ||
730 			cfg->features & BIT(DPU_SSPP_SCALER_QSEED4))
731 		dpu_debugfs_create_regset32("scaler_blk", 0400,
732 				debugfs_root,
733 				sblk->scaler_blk.base + cfg->base,
734 				sblk->scaler_blk.len,
735 				kms);
736 
737 	if (cfg->features & BIT(DPU_SSPP_CSC) ||
738 			cfg->features & BIT(DPU_SSPP_CSC_10BIT))
739 		dpu_debugfs_create_regset32("csc_blk", 0400,
740 				debugfs_root,
741 				sblk->csc_blk.base + cfg->base,
742 				sblk->csc_blk.len,
743 				kms);
744 
745 	debugfs_create_u32("xin_id",
746 			0400,
747 			debugfs_root,
748 			(u32 *) &cfg->xin_id);
749 	debugfs_create_u32("clk_ctrl",
750 			0400,
751 			debugfs_root,
752 			(u32 *) &cfg->clk_ctrl);
753 	debugfs_create_x32("creq_vblank",
754 			0600,
755 			debugfs_root,
756 			(u32 *) &sblk->creq_vblank);
757 	debugfs_create_x32("danger_vblank",
758 			0600,
759 			debugfs_root,
760 			(u32 *) &sblk->danger_vblank);
761 
762 	return 0;
763 }
764 #endif
765 
766 
767 static const struct dpu_sspp_cfg *_sspp_offset(enum dpu_sspp sspp,
768 		void __iomem *addr,
769 		const struct dpu_mdss_cfg *catalog,
770 		struct dpu_hw_blk_reg_map *b)
771 {
772 	int i;
773 
774 	if ((sspp < SSPP_MAX) && catalog && addr && b) {
775 		for (i = 0; i < catalog->sspp_count; i++) {
776 			if (sspp == catalog->sspp[i].id) {
777 				b->blk_addr = addr + catalog->sspp[i].base;
778 				b->log_mask = DPU_DBG_MASK_SSPP;
779 				return &catalog->sspp[i];
780 			}
781 		}
782 	}
783 
784 	return ERR_PTR(-ENOMEM);
785 }
786 
787 struct dpu_hw_sspp *dpu_hw_sspp_init(enum dpu_sspp idx,
788 		void __iomem *addr, const struct dpu_mdss_cfg *catalog)
789 {
790 	struct dpu_hw_sspp *hw_pipe;
791 	const struct dpu_sspp_cfg *cfg;
792 
793 	if (!addr || !catalog)
794 		return ERR_PTR(-EINVAL);
795 
796 	hw_pipe = kzalloc(sizeof(*hw_pipe), GFP_KERNEL);
797 	if (!hw_pipe)
798 		return ERR_PTR(-ENOMEM);
799 
800 	cfg = _sspp_offset(idx, addr, catalog, &hw_pipe->hw);
801 	if (IS_ERR_OR_NULL(cfg)) {
802 		kfree(hw_pipe);
803 		return ERR_PTR(-EINVAL);
804 	}
805 
806 	/* Assign ops */
807 	hw_pipe->catalog = catalog;
808 	hw_pipe->mdp = &catalog->mdp[0];
809 	hw_pipe->idx = idx;
810 	hw_pipe->cap = cfg;
811 	_setup_layer_ops(hw_pipe, hw_pipe->cap->features);
812 
813 	return hw_pipe;
814 }
815 
816 void dpu_hw_sspp_destroy(struct dpu_hw_sspp *ctx)
817 {
818 	kfree(ctx);
819 }
820 
821