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1// SPDX-License-Identifier: GPL-2.0-only
2/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
3 */
4#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
5
6#include "msm_drv.h"
7#include "dpu_kms.h"
8#include "dpu_hw_mdss.h"
9#include "dpu_hw_util.h"
10
11/* using a file static variables for debugfs access */
12static u32 dpu_hw_util_log_mask = DPU_DBG_MASK_NONE;
13
14/* DPU_SCALER_QSEED3 */
15#define QSEED3_HW_VERSION 0x00
16#define QSEED3_OP_MODE 0x04
17#define QSEED3_RGB2Y_COEFF 0x08
18#define QSEED3_PHASE_INIT 0x0C
19#define QSEED3_PHASE_STEP_Y_H 0x10
20#define QSEED3_PHASE_STEP_Y_V 0x14
21#define QSEED3_PHASE_STEP_UV_H 0x18
22#define QSEED3_PHASE_STEP_UV_V 0x1C
23#define QSEED3_PRELOAD 0x20
24#define QSEED3_DE_SHARPEN 0x24
25#define QSEED3_DE_SHARPEN_CTL 0x28
26#define QSEED3_DE_SHAPE_CTL 0x2C
27#define QSEED3_DE_THRESHOLD 0x30
28#define QSEED3_DE_ADJUST_DATA_0 0x34
29#define QSEED3_DE_ADJUST_DATA_1 0x38
30#define QSEED3_DE_ADJUST_DATA_2 0x3C
31#define QSEED3_SRC_SIZE_Y_RGB_A 0x40
32#define QSEED3_SRC_SIZE_UV 0x44
33#define QSEED3_DST_SIZE 0x48
34#define QSEED3_COEF_LUT_CTRL 0x4C
35#define QSEED3_COEF_LUT_SWAP_BIT 0
36#define QSEED3_COEF_LUT_DIR_BIT 1
37#define QSEED3_COEF_LUT_Y_CIR_BIT 2
38#define QSEED3_COEF_LUT_UV_CIR_BIT 3
39#define QSEED3_COEF_LUT_Y_SEP_BIT 4
40#define QSEED3_COEF_LUT_UV_SEP_BIT 5
41#define QSEED3_BUFFER_CTRL 0x50
42#define QSEED3_CLK_CTRL0 0x54
43#define QSEED3_CLK_CTRL1 0x58
44#define QSEED3_CLK_STATUS 0x5C
45#define QSEED3_PHASE_INIT_Y_H 0x90
46#define QSEED3_PHASE_INIT_Y_V 0x94
47#define QSEED3_PHASE_INIT_UV_H 0x98
48#define QSEED3_PHASE_INIT_UV_V 0x9C
49#define QSEED3_COEF_LUT 0x100
50#define QSEED3_FILTERS 5
51#define QSEED3_LUT_REGIONS 4
52#define QSEED3_CIRCULAR_LUTS 9
53#define QSEED3_SEPARABLE_LUTS 10
54#define QSEED3_LUT_SIZE 60
55#define QSEED3_ENABLE 2
56#define QSEED3_DIR_LUT_SIZE (200 * sizeof(u32))
57#define QSEED3_CIR_LUT_SIZE \
58 (QSEED3_LUT_SIZE * QSEED3_CIRCULAR_LUTS * sizeof(u32))
59#define QSEED3_SEP_LUT_SIZE \
60 (QSEED3_LUT_SIZE * QSEED3_SEPARABLE_LUTS * sizeof(u32))
61
62void dpu_reg_write(struct dpu_hw_blk_reg_map *c,
63 u32 reg_off,
64 u32 val,
65 const char *name)
66{
67 /* don't need to mutex protect this */
68 if (c->log_mask & dpu_hw_util_log_mask)
69 DPU_DEBUG_DRIVER("[%s:0x%X] <= 0x%X\n",
70 name, c->blk_off + reg_off, val);
71 writel_relaxed(val, c->base_off + c->blk_off + reg_off);
72}
73
74int dpu_reg_read(struct dpu_hw_blk_reg_map *c, u32 reg_off)
75{
76 return readl_relaxed(c->base_off + c->blk_off + reg_off);
77}
78
79u32 *dpu_hw_util_get_log_mask_ptr(void)
80{
81 return &dpu_hw_util_log_mask;
82}
83
84static void _dpu_hw_setup_scaler3_lut(struct dpu_hw_blk_reg_map *c,
85 struct dpu_hw_scaler3_cfg *scaler3_cfg, u32 offset)
86{
87 int i, j, filter;
88 int config_lut = 0x0;
89 unsigned long lut_flags;
90 u32 lut_addr, lut_offset, lut_len;
91 u32 *lut[QSEED3_FILTERS] = {NULL, NULL, NULL, NULL, NULL};
92 static const uint32_t off_tbl[QSEED3_FILTERS][QSEED3_LUT_REGIONS][2] = {
93 {{18, 0x000}, {12, 0x120}, {12, 0x1E0}, {8, 0x2A0} },
94 {{6, 0x320}, {3, 0x3E0}, {3, 0x440}, {3, 0x4A0} },
95 {{6, 0x500}, {3, 0x5c0}, {3, 0x620}, {3, 0x680} },
96 {{6, 0x380}, {3, 0x410}, {3, 0x470}, {3, 0x4d0} },
97 {{6, 0x560}, {3, 0x5f0}, {3, 0x650}, {3, 0x6b0} },
98 };
99
100 lut_flags = (unsigned long) scaler3_cfg->lut_flag;
101 if (test_bit(QSEED3_COEF_LUT_DIR_BIT, &lut_flags) &&
102 (scaler3_cfg->dir_len == QSEED3_DIR_LUT_SIZE)) {
103 lut[0] = scaler3_cfg->dir_lut;
104 config_lut = 1;
105 }
106 if (test_bit(QSEED3_COEF_LUT_Y_CIR_BIT, &lut_flags) &&
107 (scaler3_cfg->y_rgb_cir_lut_idx < QSEED3_CIRCULAR_LUTS) &&
108 (scaler3_cfg->cir_len == QSEED3_CIR_LUT_SIZE)) {
109 lut[1] = scaler3_cfg->cir_lut +
110 scaler3_cfg->y_rgb_cir_lut_idx * QSEED3_LUT_SIZE;
111 config_lut = 1;
112 }
113 if (test_bit(QSEED3_COEF_LUT_UV_CIR_BIT, &lut_flags) &&
114 (scaler3_cfg->uv_cir_lut_idx < QSEED3_CIRCULAR_LUTS) &&
115 (scaler3_cfg->cir_len == QSEED3_CIR_LUT_SIZE)) {
116 lut[2] = scaler3_cfg->cir_lut +
117 scaler3_cfg->uv_cir_lut_idx * QSEED3_LUT_SIZE;
118 config_lut = 1;
119 }
120 if (test_bit(QSEED3_COEF_LUT_Y_SEP_BIT, &lut_flags) &&
121 (scaler3_cfg->y_rgb_sep_lut_idx < QSEED3_SEPARABLE_LUTS) &&
122 (scaler3_cfg->sep_len == QSEED3_SEP_LUT_SIZE)) {
123 lut[3] = scaler3_cfg->sep_lut +
124 scaler3_cfg->y_rgb_sep_lut_idx * QSEED3_LUT_SIZE;
125 config_lut = 1;
126 }
127 if (test_bit(QSEED3_COEF_LUT_UV_SEP_BIT, &lut_flags) &&
128 (scaler3_cfg->uv_sep_lut_idx < QSEED3_SEPARABLE_LUTS) &&
129 (scaler3_cfg->sep_len == QSEED3_SEP_LUT_SIZE)) {
130 lut[4] = scaler3_cfg->sep_lut +
131 scaler3_cfg->uv_sep_lut_idx * QSEED3_LUT_SIZE;
132 config_lut = 1;
133 }
134
135 if (config_lut) {
136 for (filter = 0; filter < QSEED3_FILTERS; filter++) {
137 if (!lut[filter])
138 continue;
139 lut_offset = 0;
140 for (i = 0; i < QSEED3_LUT_REGIONS; i++) {
141 lut_addr = QSEED3_COEF_LUT + offset
142 + off_tbl[filter][i][1];
143 lut_len = off_tbl[filter][i][0] << 2;
144 for (j = 0; j < lut_len; j++) {
145 DPU_REG_WRITE(c,
146 lut_addr,
147 (lut[filter])[lut_offset++]);
148 lut_addr += 4;
149 }
150 }
151 }
152 }
153
154 if (test_bit(QSEED3_COEF_LUT_SWAP_BIT, &lut_flags))
155 DPU_REG_WRITE(c, QSEED3_COEF_LUT_CTRL + offset, BIT(0));
156
157}
158
159static void _dpu_hw_setup_scaler3_de(struct dpu_hw_blk_reg_map *c,
160 struct dpu_hw_scaler3_de_cfg *de_cfg, u32 offset)
161{
162 u32 sharp_lvl, sharp_ctl, shape_ctl, de_thr;
163 u32 adjust_a, adjust_b, adjust_c;
164
165 if (!de_cfg->enable)
166 return;
167
168 sharp_lvl = (de_cfg->sharpen_level1 & 0x1FF) |
169 ((de_cfg->sharpen_level2 & 0x1FF) << 16);
170
171 sharp_ctl = ((de_cfg->limit & 0xF) << 9) |
172 ((de_cfg->prec_shift & 0x7) << 13) |
173 ((de_cfg->clip & 0x7) << 16);
174
175 shape_ctl = (de_cfg->thr_quiet & 0xFF) |
176 ((de_cfg->thr_dieout & 0x3FF) << 16);
177
178 de_thr = (de_cfg->thr_low & 0x3FF) |
179 ((de_cfg->thr_high & 0x3FF) << 16);
180
181 adjust_a = (de_cfg->adjust_a[0] & 0x3FF) |
182 ((de_cfg->adjust_a[1] & 0x3FF) << 10) |
183 ((de_cfg->adjust_a[2] & 0x3FF) << 20);
184
185 adjust_b = (de_cfg->adjust_b[0] & 0x3FF) |
186 ((de_cfg->adjust_b[1] & 0x3FF) << 10) |
187 ((de_cfg->adjust_b[2] & 0x3FF) << 20);
188
189 adjust_c = (de_cfg->adjust_c[0] & 0x3FF) |
190 ((de_cfg->adjust_c[1] & 0x3FF) << 10) |
191 ((de_cfg->adjust_c[2] & 0x3FF) << 20);
192
193 DPU_REG_WRITE(c, QSEED3_DE_SHARPEN + offset, sharp_lvl);
194 DPU_REG_WRITE(c, QSEED3_DE_SHARPEN_CTL + offset, sharp_ctl);
195 DPU_REG_WRITE(c, QSEED3_DE_SHAPE_CTL + offset, shape_ctl);
196 DPU_REG_WRITE(c, QSEED3_DE_THRESHOLD + offset, de_thr);
197 DPU_REG_WRITE(c, QSEED3_DE_ADJUST_DATA_0 + offset, adjust_a);
198 DPU_REG_WRITE(c, QSEED3_DE_ADJUST_DATA_1 + offset, adjust_b);
199 DPU_REG_WRITE(c, QSEED3_DE_ADJUST_DATA_2 + offset, adjust_c);
200
201}
202
203void dpu_hw_setup_scaler3(struct dpu_hw_blk_reg_map *c,
204 struct dpu_hw_scaler3_cfg *scaler3_cfg,
205 u32 scaler_offset, u32 scaler_version,
206 const struct dpu_format *format)
207{
208 u32 op_mode = 0;
209 u32 phase_init, preload, src_y_rgb, src_uv, dst;
210
211 if (!scaler3_cfg->enable)
212 goto end;
213
214 op_mode |= BIT(0);
215 op_mode |= (scaler3_cfg->y_rgb_filter_cfg & 0x3) << 16;
216
217 if (format && DPU_FORMAT_IS_YUV(format)) {
218 op_mode |= BIT(12);
219 op_mode |= (scaler3_cfg->uv_filter_cfg & 0x3) << 24;
220 }
221
222 op_mode |= (scaler3_cfg->blend_cfg & 1) << 31;
223 op_mode |= (scaler3_cfg->dir_en) ? BIT(4) : 0;
224
225 preload =
226 ((scaler3_cfg->preload_x[0] & 0x7F) << 0) |
227 ((scaler3_cfg->preload_y[0] & 0x7F) << 8) |
228 ((scaler3_cfg->preload_x[1] & 0x7F) << 16) |
229 ((scaler3_cfg->preload_y[1] & 0x7F) << 24);
230
231 src_y_rgb = (scaler3_cfg->src_width[0] & 0x1FFFF) |
232 ((scaler3_cfg->src_height[0] & 0x1FFFF) << 16);
233
234 src_uv = (scaler3_cfg->src_width[1] & 0x1FFFF) |
235 ((scaler3_cfg->src_height[1] & 0x1FFFF) << 16);
236
237 dst = (scaler3_cfg->dst_width & 0x1FFFF) |
238 ((scaler3_cfg->dst_height & 0x1FFFF) << 16);
239
240 if (scaler3_cfg->de.enable) {
241 _dpu_hw_setup_scaler3_de(c, &scaler3_cfg->de, scaler_offset);
242 op_mode |= BIT(8);
243 }
244
245 if (scaler3_cfg->lut_flag)
246 _dpu_hw_setup_scaler3_lut(c, scaler3_cfg,
247 scaler_offset);
248
249 if (scaler_version == 0x1002) {
250 phase_init =
251 ((scaler3_cfg->init_phase_x[0] & 0x3F) << 0) |
252 ((scaler3_cfg->init_phase_y[0] & 0x3F) << 8) |
253 ((scaler3_cfg->init_phase_x[1] & 0x3F) << 16) |
254 ((scaler3_cfg->init_phase_y[1] & 0x3F) << 24);
255 DPU_REG_WRITE(c, QSEED3_PHASE_INIT + scaler_offset, phase_init);
256 } else {
257 DPU_REG_WRITE(c, QSEED3_PHASE_INIT_Y_H + scaler_offset,
258 scaler3_cfg->init_phase_x[0] & 0x1FFFFF);
259 DPU_REG_WRITE(c, QSEED3_PHASE_INIT_Y_V + scaler_offset,
260 scaler3_cfg->init_phase_y[0] & 0x1FFFFF);
261 DPU_REG_WRITE(c, QSEED3_PHASE_INIT_UV_H + scaler_offset,
262 scaler3_cfg->init_phase_x[1] & 0x1FFFFF);
263 DPU_REG_WRITE(c, QSEED3_PHASE_INIT_UV_V + scaler_offset,
264 scaler3_cfg->init_phase_y[1] & 0x1FFFFF);
265 }
266
267 DPU_REG_WRITE(c, QSEED3_PHASE_STEP_Y_H + scaler_offset,
268 scaler3_cfg->phase_step_x[0] & 0xFFFFFF);
269
270 DPU_REG_WRITE(c, QSEED3_PHASE_STEP_Y_V + scaler_offset,
271 scaler3_cfg->phase_step_y[0] & 0xFFFFFF);
272
273 DPU_REG_WRITE(c, QSEED3_PHASE_STEP_UV_H + scaler_offset,
274 scaler3_cfg->phase_step_x[1] & 0xFFFFFF);
275
276 DPU_REG_WRITE(c, QSEED3_PHASE_STEP_UV_V + scaler_offset,
277 scaler3_cfg->phase_step_y[1] & 0xFFFFFF);
278
279 DPU_REG_WRITE(c, QSEED3_PRELOAD + scaler_offset, preload);
280
281 DPU_REG_WRITE(c, QSEED3_SRC_SIZE_Y_RGB_A + scaler_offset, src_y_rgb);
282
283 DPU_REG_WRITE(c, QSEED3_SRC_SIZE_UV + scaler_offset, src_uv);
284
285 DPU_REG_WRITE(c, QSEED3_DST_SIZE + scaler_offset, dst);
286
287end:
288 if (format && !DPU_FORMAT_IS_DX(format))
289 op_mode |= BIT(14);
290
291 if (format && format->alpha_enable) {
292 op_mode |= BIT(10);
293 if (scaler_version == 0x1002)
294 op_mode |= (scaler3_cfg->alpha_filter_cfg & 0x1) << 30;
295 else
296 op_mode |= (scaler3_cfg->alpha_filter_cfg & 0x3) << 29;
297 }
298
299 DPU_REG_WRITE(c, QSEED3_OP_MODE + scaler_offset, op_mode);
300}
301
302u32 dpu_hw_get_scaler3_ver(struct dpu_hw_blk_reg_map *c,
303 u32 scaler_offset)
304{
305 return DPU_REG_READ(c, QSEED3_HW_VERSION + scaler_offset);
306}
307
308void dpu_hw_csc_setup(struct dpu_hw_blk_reg_map *c,
309 u32 csc_reg_off,
310 struct dpu_csc_cfg *data, bool csc10)
311{
312 static const u32 matrix_shift = 7;
313 u32 clamp_shift = csc10 ? 16 : 8;
314 u32 val;
315
316 /* matrix coeff - convert S15.16 to S4.9 */
317 val = ((data->csc_mv[0] >> matrix_shift) & 0x1FFF) |
318 (((data->csc_mv[1] >> matrix_shift) & 0x1FFF) << 16);
319 DPU_REG_WRITE(c, csc_reg_off, val);
320 val = ((data->csc_mv[2] >> matrix_shift) & 0x1FFF) |
321 (((data->csc_mv[3] >> matrix_shift) & 0x1FFF) << 16);
322 DPU_REG_WRITE(c, csc_reg_off + 0x4, val);
323 val = ((data->csc_mv[4] >> matrix_shift) & 0x1FFF) |
324 (((data->csc_mv[5] >> matrix_shift) & 0x1FFF) << 16);
325 DPU_REG_WRITE(c, csc_reg_off + 0x8, val);
326 val = ((data->csc_mv[6] >> matrix_shift) & 0x1FFF) |
327 (((data->csc_mv[7] >> matrix_shift) & 0x1FFF) << 16);
328 DPU_REG_WRITE(c, csc_reg_off + 0xc, val);
329 val = (data->csc_mv[8] >> matrix_shift) & 0x1FFF;
330 DPU_REG_WRITE(c, csc_reg_off + 0x10, val);
331
332 /* Pre clamp */
333 val = (data->csc_pre_lv[0] << clamp_shift) | data->csc_pre_lv[1];
334 DPU_REG_WRITE(c, csc_reg_off + 0x14, val);
335 val = (data->csc_pre_lv[2] << clamp_shift) | data->csc_pre_lv[3];
336 DPU_REG_WRITE(c, csc_reg_off + 0x18, val);
337 val = (data->csc_pre_lv[4] << clamp_shift) | data->csc_pre_lv[5];
338 DPU_REG_WRITE(c, csc_reg_off + 0x1c, val);
339
340 /* Post clamp */
341 val = (data->csc_post_lv[0] << clamp_shift) | data->csc_post_lv[1];
342 DPU_REG_WRITE(c, csc_reg_off + 0x20, val);
343 val = (data->csc_post_lv[2] << clamp_shift) | data->csc_post_lv[3];
344 DPU_REG_WRITE(c, csc_reg_off + 0x24, val);
345 val = (data->csc_post_lv[4] << clamp_shift) | data->csc_post_lv[5];
346 DPU_REG_WRITE(c, csc_reg_off + 0x28, val);
347
348 /* Pre-Bias */
349 DPU_REG_WRITE(c, csc_reg_off + 0x2c, data->csc_pre_bv[0]);
350 DPU_REG_WRITE(c, csc_reg_off + 0x30, data->csc_pre_bv[1]);
351 DPU_REG_WRITE(c, csc_reg_off + 0x34, data->csc_pre_bv[2]);
352
353 /* Post-Bias */
354 DPU_REG_WRITE(c, csc_reg_off + 0x38, data->csc_post_bv[0]);
355 DPU_REG_WRITE(c, csc_reg_off + 0x3c, data->csc_post_bv[1]);
356 DPU_REG_WRITE(c, csc_reg_off + 0x40, data->csc_post_bv[2]);
357}