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_UTIL_H 6 #define _DPU_HW_UTIL_H 7 8 #include <linux/io.h> 9 #include <linux/slab.h> 10 #include "dpu_hw_mdss.h" 11 12 #define REG_MASK(n) ((BIT(n)) - 1) 13 14 /* 15 * This is the common struct maintained by each sub block 16 * for mapping the register offsets in this block to the 17 * absoulute IO address 18 * @base_off: mdp register mapped offset 19 * @blk_off: pipe offset relative to mdss offset 20 * @length length of register block offset 21 * @xin_id xin id 22 * @hwversion mdss hw version number 23 */ 24 struct dpu_hw_blk_reg_map { 25 void __iomem *base_off; 26 u32 blk_off; 27 u32 length; 28 u32 xin_id; 29 u32 hwversion; 30 u32 log_mask; 31 }; 32 33 /** 34 * struct dpu_hw_scaler3_de_cfg : QSEEDv3 detail enhancer configuration 35 * @enable: detail enhancer enable/disable 36 * @sharpen_level1: sharpening strength for noise 37 * @sharpen_level2: sharpening strength for signal 38 * @ clip: clip shift 39 * @ limit: limit value 40 * @ thr_quiet: quiet threshold 41 * @ thr_dieout: dieout threshold 42 * @ thr_high: low threshold 43 * @ thr_high: high threshold 44 * @ prec_shift: precision shift 45 * @ adjust_a: A-coefficients for mapping curve 46 * @ adjust_b: B-coefficients for mapping curve 47 * @ adjust_c: C-coefficients for mapping curve 48 */ 49 struct dpu_hw_scaler3_de_cfg { 50 u32 enable; 51 int16_t sharpen_level1; 52 int16_t sharpen_level2; 53 uint16_t clip; 54 uint16_t limit; 55 uint16_t thr_quiet; 56 uint16_t thr_dieout; 57 uint16_t thr_low; 58 uint16_t thr_high; 59 uint16_t prec_shift; 60 int16_t adjust_a[DPU_MAX_DE_CURVES]; 61 int16_t adjust_b[DPU_MAX_DE_CURVES]; 62 int16_t adjust_c[DPU_MAX_DE_CURVES]; 63 }; 64 65 66 /** 67 * struct dpu_hw_scaler3_cfg : QSEEDv3 configuration 68 * @enable: scaler enable 69 * @dir_en: direction detection block enable 70 * @ init_phase_x: horizontal initial phase 71 * @ phase_step_x: horizontal phase step 72 * @ init_phase_y: vertical initial phase 73 * @ phase_step_y: vertical phase step 74 * @ preload_x: horizontal preload value 75 * @ preload_y: vertical preload value 76 * @ src_width: source width 77 * @ src_height: source height 78 * @ dst_width: destination width 79 * @ dst_height: destination height 80 * @ y_rgb_filter_cfg: y/rgb plane filter configuration 81 * @ uv_filter_cfg: uv plane filter configuration 82 * @ alpha_filter_cfg: alpha filter configuration 83 * @ blend_cfg: blend coefficients configuration 84 * @ lut_flag: scaler LUT update flags 85 * 0x1 swap LUT bank 86 * 0x2 update 2D filter LUT 87 * 0x4 update y circular filter LUT 88 * 0x8 update uv circular filter LUT 89 * 0x10 update y separable filter LUT 90 * 0x20 update uv separable filter LUT 91 * @ dir_lut_idx: 2D filter LUT index 92 * @ y_rgb_cir_lut_idx: y circular filter LUT index 93 * @ uv_cir_lut_idx: uv circular filter LUT index 94 * @ y_rgb_sep_lut_idx: y circular filter LUT index 95 * @ uv_sep_lut_idx: uv separable filter LUT index 96 * @ dir_lut: pointer to 2D LUT 97 * @ cir_lut: pointer to circular filter LUT 98 * @ sep_lut: pointer to separable filter LUT 99 * @ de: detail enhancer configuration 100 */ 101 struct dpu_hw_scaler3_cfg { 102 u32 enable; 103 u32 dir_en; 104 int32_t init_phase_x[DPU_MAX_PLANES]; 105 int32_t phase_step_x[DPU_MAX_PLANES]; 106 int32_t init_phase_y[DPU_MAX_PLANES]; 107 int32_t phase_step_y[DPU_MAX_PLANES]; 108 109 u32 preload_x[DPU_MAX_PLANES]; 110 u32 preload_y[DPU_MAX_PLANES]; 111 u32 src_width[DPU_MAX_PLANES]; 112 u32 src_height[DPU_MAX_PLANES]; 113 114 u32 dst_width; 115 u32 dst_height; 116 117 u32 y_rgb_filter_cfg; 118 u32 uv_filter_cfg; 119 u32 alpha_filter_cfg; 120 u32 blend_cfg; 121 122 u32 lut_flag; 123 u32 dir_lut_idx; 124 125 u32 y_rgb_cir_lut_idx; 126 u32 uv_cir_lut_idx; 127 u32 y_rgb_sep_lut_idx; 128 u32 uv_sep_lut_idx; 129 u32 *dir_lut; 130 size_t dir_len; 131 u32 *cir_lut; 132 size_t cir_len; 133 u32 *sep_lut; 134 size_t sep_len; 135 136 /* 137 * Detail enhancer settings 138 */ 139 struct dpu_hw_scaler3_de_cfg de; 140 }; 141 142 /** 143 * struct dpu_drm_pix_ext_v1 - version 1 of pixel ext structure 144 * @num_ext_pxls_lr: Number of total horizontal pixels 145 * @num_ext_pxls_tb: Number of total vertical lines 146 * @left_ftch: Number of extra pixels to overfetch from left 147 * @right_ftch: Number of extra pixels to overfetch from right 148 * @top_ftch: Number of extra lines to overfetch from top 149 * @btm_ftch: Number of extra lines to overfetch from bottom 150 * @left_rpt: Number of extra pixels to repeat from left 151 * @right_rpt: Number of extra pixels to repeat from right 152 * @top_rpt: Number of extra lines to repeat from top 153 * @btm_rpt: Number of extra lines to repeat from bottom 154 */ 155 struct dpu_drm_pix_ext_v1 { 156 /* 157 * Number of pixels ext in left, right, top and bottom direction 158 * for all color components. 159 */ 160 int32_t num_ext_pxls_lr[DPU_MAX_PLANES]; 161 int32_t num_ext_pxls_tb[DPU_MAX_PLANES]; 162 163 /* 164 * Number of pixels needs to be overfetched in left, right, top 165 * and bottom directions from source image for scaling. 166 */ 167 int32_t left_ftch[DPU_MAX_PLANES]; 168 int32_t right_ftch[DPU_MAX_PLANES]; 169 int32_t top_ftch[DPU_MAX_PLANES]; 170 int32_t btm_ftch[DPU_MAX_PLANES]; 171 /* 172 * Number of pixels needs to be repeated in left, right, top and 173 * bottom directions for scaling. 174 */ 175 int32_t left_rpt[DPU_MAX_PLANES]; 176 int32_t right_rpt[DPU_MAX_PLANES]; 177 int32_t top_rpt[DPU_MAX_PLANES]; 178 int32_t btm_rpt[DPU_MAX_PLANES]; 179 180 }; 181 182 /** 183 * struct dpu_drm_de_v1 - version 1 of detail enhancer structure 184 * @enable: Enables/disables detail enhancer 185 * @sharpen_level1: Sharpening strength for noise 186 * @sharpen_level2: Sharpening strength for context 187 * @clip: Clip coefficient 188 * @limit: Detail enhancer limit factor 189 * @thr_quiet: Quite zone threshold 190 * @thr_dieout: Die-out zone threshold 191 * @thr_low: Linear zone left threshold 192 * @thr_high: Linear zone right threshold 193 * @prec_shift: Detail enhancer precision 194 * @adjust_a: Mapping curves A coefficients 195 * @adjust_b: Mapping curves B coefficients 196 * @adjust_c: Mapping curves C coefficients 197 */ 198 struct dpu_drm_de_v1 { 199 uint32_t enable; 200 int16_t sharpen_level1; 201 int16_t sharpen_level2; 202 uint16_t clip; 203 uint16_t limit; 204 uint16_t thr_quiet; 205 uint16_t thr_dieout; 206 uint16_t thr_low; 207 uint16_t thr_high; 208 uint16_t prec_shift; 209 int16_t adjust_a[DPU_MAX_DE_CURVES]; 210 int16_t adjust_b[DPU_MAX_DE_CURVES]; 211 int16_t adjust_c[DPU_MAX_DE_CURVES]; 212 }; 213 214 /** 215 * struct dpu_drm_scaler_v2 - version 2 of struct dpu_drm_scaler 216 * @enable: Scaler enable 217 * @dir_en: Detail enhancer enable 218 * @pe: Pixel extension settings 219 * @horz_decimate: Horizontal decimation factor 220 * @vert_decimate: Vertical decimation factor 221 * @init_phase_x: Initial scaler phase values for x 222 * @phase_step_x: Phase step values for x 223 * @init_phase_y: Initial scaler phase values for y 224 * @phase_step_y: Phase step values for y 225 * @preload_x: Horizontal preload value 226 * @preload_y: Vertical preload value 227 * @src_width: Source width 228 * @src_height: Source height 229 * @dst_width: Destination width 230 * @dst_height: Destination height 231 * @y_rgb_filter_cfg: Y/RGB plane filter configuration 232 * @uv_filter_cfg: UV plane filter configuration 233 * @alpha_filter_cfg: Alpha filter configuration 234 * @blend_cfg: Selection of blend coefficients 235 * @lut_flag: LUT configuration flags 236 * @dir_lut_idx: 2d 4x4 LUT index 237 * @y_rgb_cir_lut_idx: Y/RGB circular LUT index 238 * @uv_cir_lut_idx: UV circular LUT index 239 * @y_rgb_sep_lut_idx: Y/RGB separable LUT index 240 * @uv_sep_lut_idx: UV separable LUT index 241 * @de: Detail enhancer settings 242 */ 243 struct dpu_drm_scaler_v2 { 244 /* 245 * General definitions 246 */ 247 uint32_t enable; 248 uint32_t dir_en; 249 250 /* 251 * Pix ext settings 252 */ 253 struct dpu_drm_pix_ext_v1 pe; 254 255 /* 256 * Decimation settings 257 */ 258 uint32_t horz_decimate; 259 uint32_t vert_decimate; 260 261 /* 262 * Phase settings 263 */ 264 int32_t init_phase_x[DPU_MAX_PLANES]; 265 int32_t phase_step_x[DPU_MAX_PLANES]; 266 int32_t init_phase_y[DPU_MAX_PLANES]; 267 int32_t phase_step_y[DPU_MAX_PLANES]; 268 269 uint32_t preload_x[DPU_MAX_PLANES]; 270 uint32_t preload_y[DPU_MAX_PLANES]; 271 uint32_t src_width[DPU_MAX_PLANES]; 272 uint32_t src_height[DPU_MAX_PLANES]; 273 274 uint32_t dst_width; 275 uint32_t dst_height; 276 277 uint32_t y_rgb_filter_cfg; 278 uint32_t uv_filter_cfg; 279 uint32_t alpha_filter_cfg; 280 uint32_t blend_cfg; 281 282 uint32_t lut_flag; 283 uint32_t dir_lut_idx; 284 285 /* for Y(RGB) and UV planes*/ 286 uint32_t y_rgb_cir_lut_idx; 287 uint32_t uv_cir_lut_idx; 288 uint32_t y_rgb_sep_lut_idx; 289 uint32_t uv_sep_lut_idx; 290 291 /* 292 * Detail enhancer settings 293 */ 294 struct dpu_drm_de_v1 de; 295 }; 296 297 298 u32 *dpu_hw_util_get_log_mask_ptr(void); 299 300 void dpu_reg_write(struct dpu_hw_blk_reg_map *c, 301 u32 reg_off, 302 u32 val, 303 const char *name); 304 int dpu_reg_read(struct dpu_hw_blk_reg_map *c, u32 reg_off); 305 306 #define DPU_REG_WRITE(c, off, val) dpu_reg_write(c, off, val, #off) 307 #define DPU_REG_READ(c, off) dpu_reg_read(c, off) 308 309 void *dpu_hw_util_get_dir(void); 310 311 void dpu_hw_setup_scaler3(struct dpu_hw_blk_reg_map *c, 312 struct dpu_hw_scaler3_cfg *scaler3_cfg, 313 u32 scaler_offset, u32 scaler_version, 314 const struct dpu_format *format); 315 316 u32 dpu_hw_get_scaler3_ver(struct dpu_hw_blk_reg_map *c, 317 u32 scaler_offset); 318 319 void dpu_hw_csc_setup(struct dpu_hw_blk_reg_map *c, 320 u32 csc_reg_off, 321 struct dpu_csc_cfg *data, bool csc10); 322 323 #endif /* _DPU_HW_UTIL_H */ 324