linux/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
<<
>>
Prefs
   1/*
   2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
   3 * Author:Mark Yao <mark.yao@rock-chips.com>
   4 *
   5 * This software is licensed under the terms of the GNU General Public
   6 * License version 2, as published by the Free Software Foundation, and
   7 * may be copied, distributed, and modified under those terms.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 */
  14
  15#ifndef _ROCKCHIP_DRM_VOP_H
  16#define _ROCKCHIP_DRM_VOP_H
  17
  18enum vop_data_format {
  19        VOP_FMT_ARGB8888 = 0,
  20        VOP_FMT_RGB888,
  21        VOP_FMT_RGB565,
  22        VOP_FMT_YUV420SP = 4,
  23        VOP_FMT_YUV422SP,
  24        VOP_FMT_YUV444SP,
  25};
  26
  27struct vop_reg_data {
  28        uint32_t offset;
  29        uint32_t value;
  30};
  31
  32struct vop_reg {
  33        uint32_t offset;
  34        uint32_t shift;
  35        uint32_t mask;
  36};
  37
  38struct vop_ctrl {
  39        struct vop_reg standby;
  40        struct vop_reg data_blank;
  41        struct vop_reg gate_en;
  42        struct vop_reg mmu_en;
  43        struct vop_reg rgb_en;
  44        struct vop_reg edp_en;
  45        struct vop_reg hdmi_en;
  46        struct vop_reg mipi_en;
  47        struct vop_reg out_mode;
  48        struct vop_reg dither_down;
  49        struct vop_reg dither_up;
  50        struct vop_reg pin_pol;
  51
  52        struct vop_reg htotal_pw;
  53        struct vop_reg hact_st_end;
  54        struct vop_reg vtotal_pw;
  55        struct vop_reg vact_st_end;
  56        struct vop_reg hpost_st_end;
  57        struct vop_reg vpost_st_end;
  58
  59        struct vop_reg cfg_done;
  60};
  61
  62struct vop_intr {
  63        const int *intrs;
  64        uint32_t nintrs;
  65        struct vop_reg enable;
  66        struct vop_reg clear;
  67        struct vop_reg status;
  68};
  69
  70struct vop_scl_extension {
  71        struct vop_reg cbcr_vsd_mode;
  72        struct vop_reg cbcr_vsu_mode;
  73        struct vop_reg cbcr_hsd_mode;
  74        struct vop_reg cbcr_ver_scl_mode;
  75        struct vop_reg cbcr_hor_scl_mode;
  76        struct vop_reg yrgb_vsd_mode;
  77        struct vop_reg yrgb_vsu_mode;
  78        struct vop_reg yrgb_hsd_mode;
  79        struct vop_reg yrgb_ver_scl_mode;
  80        struct vop_reg yrgb_hor_scl_mode;
  81        struct vop_reg line_load_mode;
  82        struct vop_reg cbcr_axi_gather_num;
  83        struct vop_reg yrgb_axi_gather_num;
  84        struct vop_reg vsd_cbcr_gt2;
  85        struct vop_reg vsd_cbcr_gt4;
  86        struct vop_reg vsd_yrgb_gt2;
  87        struct vop_reg vsd_yrgb_gt4;
  88        struct vop_reg bic_coe_sel;
  89        struct vop_reg cbcr_axi_gather_en;
  90        struct vop_reg yrgb_axi_gather_en;
  91        struct vop_reg lb_mode;
  92};
  93
  94struct vop_scl_regs {
  95        const struct vop_scl_extension *ext;
  96
  97        struct vop_reg scale_yrgb_x;
  98        struct vop_reg scale_yrgb_y;
  99        struct vop_reg scale_cbcr_x;
 100        struct vop_reg scale_cbcr_y;
 101};
 102
 103struct vop_win_phy {
 104        const struct vop_scl_regs *scl;
 105        const uint32_t *data_formats;
 106        uint32_t nformats;
 107
 108        struct vop_reg enable;
 109        struct vop_reg format;
 110        struct vop_reg rb_swap;
 111        struct vop_reg act_info;
 112        struct vop_reg dsp_info;
 113        struct vop_reg dsp_st;
 114        struct vop_reg yrgb_mst;
 115        struct vop_reg uv_mst;
 116        struct vop_reg yrgb_vir;
 117        struct vop_reg uv_vir;
 118
 119        struct vop_reg dst_alpha_ctl;
 120        struct vop_reg src_alpha_ctl;
 121};
 122
 123struct vop_win_data {
 124        uint32_t base;
 125        const struct vop_win_phy *phy;
 126        enum drm_plane_type type;
 127};
 128
 129struct vop_data {
 130        const struct vop_reg_data *init_table;
 131        unsigned int table_size;
 132        const struct vop_ctrl *ctrl;
 133        const struct vop_intr *intr;
 134        const struct vop_win_data *win;
 135        unsigned int win_size;
 136};
 137
 138/* interrupt define */
 139#define DSP_HOLD_VALID_INTR             (1 << 0)
 140#define FS_INTR                         (1 << 1)
 141#define LINE_FLAG_INTR                  (1 << 2)
 142#define BUS_ERROR_INTR                  (1 << 3)
 143
 144#define INTR_MASK                       (DSP_HOLD_VALID_INTR | FS_INTR | \
 145                                         LINE_FLAG_INTR | BUS_ERROR_INTR)
 146
 147#define DSP_HOLD_VALID_INTR_EN(x)       ((x) << 4)
 148#define FS_INTR_EN(x)                   ((x) << 5)
 149#define LINE_FLAG_INTR_EN(x)            ((x) << 6)
 150#define BUS_ERROR_INTR_EN(x)            ((x) << 7)
 151#define DSP_HOLD_VALID_INTR_MASK        (1 << 4)
 152#define FS_INTR_MASK                    (1 << 5)
 153#define LINE_FLAG_INTR_MASK             (1 << 6)
 154#define BUS_ERROR_INTR_MASK             (1 << 7)
 155
 156#define INTR_CLR_SHIFT                  8
 157#define DSP_HOLD_VALID_INTR_CLR         (1 << (INTR_CLR_SHIFT + 0))
 158#define FS_INTR_CLR                     (1 << (INTR_CLR_SHIFT + 1))
 159#define LINE_FLAG_INTR_CLR              (1 << (INTR_CLR_SHIFT + 2))
 160#define BUS_ERROR_INTR_CLR              (1 << (INTR_CLR_SHIFT + 3))
 161
 162#define DSP_LINE_NUM(x)                 (((x) & 0x1fff) << 12)
 163#define DSP_LINE_NUM_MASK               (0x1fff << 12)
 164
 165/* src alpha ctrl define */
 166#define SRC_FADING_VALUE(x)             (((x) & 0xff) << 24)
 167#define SRC_GLOBAL_ALPHA(x)             (((x) & 0xff) << 16)
 168#define SRC_FACTOR_M0(x)                (((x) & 0x7) << 6)
 169#define SRC_ALPHA_CAL_M0(x)             (((x) & 0x1) << 5)
 170#define SRC_BLEND_M0(x)                 (((x) & 0x3) << 3)
 171#define SRC_ALPHA_M0(x)                 (((x) & 0x1) << 2)
 172#define SRC_COLOR_M0(x)                 (((x) & 0x1) << 1)
 173#define SRC_ALPHA_EN(x)                 (((x) & 0x1) << 0)
 174/* dst alpha ctrl define */
 175#define DST_FACTOR_M0(x)                (((x) & 0x7) << 6)
 176
 177/*
 178 * display output interface supported by rockchip lcdc
 179 */
 180#define ROCKCHIP_OUT_MODE_P888  0
 181#define ROCKCHIP_OUT_MODE_P666  1
 182#define ROCKCHIP_OUT_MODE_P565  2
 183/* for use special outface */
 184#define ROCKCHIP_OUT_MODE_AAAA  15
 185
 186enum alpha_mode {
 187        ALPHA_STRAIGHT,
 188        ALPHA_INVERSE,
 189};
 190
 191enum global_blend_mode {
 192        ALPHA_GLOBAL,
 193        ALPHA_PER_PIX,
 194        ALPHA_PER_PIX_GLOBAL,
 195};
 196
 197enum alpha_cal_mode {
 198        ALPHA_SATURATION,
 199        ALPHA_NO_SATURATION,
 200};
 201
 202enum color_mode {
 203        ALPHA_SRC_PRE_MUL,
 204        ALPHA_SRC_NO_PRE_MUL,
 205};
 206
 207enum factor_mode {
 208        ALPHA_ZERO,
 209        ALPHA_ONE,
 210        ALPHA_SRC,
 211        ALPHA_SRC_INVERSE,
 212        ALPHA_SRC_GLOBAL,
 213};
 214
 215enum scale_mode {
 216        SCALE_NONE = 0x0,
 217        SCALE_UP   = 0x1,
 218        SCALE_DOWN = 0x2
 219};
 220
 221enum lb_mode {
 222        LB_YUV_3840X5 = 0x0,
 223        LB_YUV_2560X8 = 0x1,
 224        LB_RGB_3840X2 = 0x2,
 225        LB_RGB_2560X4 = 0x3,
 226        LB_RGB_1920X5 = 0x4,
 227        LB_RGB_1280X8 = 0x5
 228};
 229
 230enum sacle_up_mode {
 231        SCALE_UP_BIL = 0x0,
 232        SCALE_UP_BIC = 0x1
 233};
 234
 235enum scale_down_mode {
 236        SCALE_DOWN_BIL = 0x0,
 237        SCALE_DOWN_AVG = 0x1
 238};
 239
 240#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
 241#define SCL_FT_DEFAULT_FIXPOINT_SHIFT   12
 242#define SCL_MAX_VSKIPLINES              4
 243#define MIN_SCL_FT_AFTER_VSKIP          1
 244
 245static inline uint16_t scl_cal_scale(int src, int dst, int shift)
 246{
 247        return ((src * 2 - 3) << (shift - 1)) / (dst - 1);
 248}
 249
 250static inline uint16_t scl_cal_scale2(int src, int dst)
 251{
 252        return ((src - 1) << 12) / (dst - 1);
 253}
 254
 255#define GET_SCL_FT_BILI_DN(src, dst)    scl_cal_scale(src, dst, 12)
 256#define GET_SCL_FT_BILI_UP(src, dst)    scl_cal_scale(src, dst, 16)
 257#define GET_SCL_FT_BIC(src, dst)        scl_cal_scale(src, dst, 16)
 258
 259static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h,
 260                                             int vskiplines)
 261{
 262        int act_height;
 263
 264        act_height = (src_h + vskiplines - 1) / vskiplines;
 265
 266        return GET_SCL_FT_BILI_DN(act_height, dst_h);
 267}
 268
 269static inline enum scale_mode scl_get_scl_mode(int src, int dst)
 270{
 271        if (src < dst)
 272                return SCALE_UP;
 273        else if (src > dst)
 274                return SCALE_DOWN;
 275
 276        return SCALE_NONE;
 277}
 278
 279static inline int scl_get_vskiplines(uint32_t srch, uint32_t dsth)
 280{
 281        uint32_t vskiplines;
 282
 283        for (vskiplines = SCL_MAX_VSKIPLINES; vskiplines > 1; vskiplines /= 2)
 284                if (srch >= vskiplines * dsth * MIN_SCL_FT_AFTER_VSKIP)
 285                        break;
 286
 287        return vskiplines;
 288}
 289
 290static inline int scl_vop_cal_lb_mode(int width, bool is_yuv)
 291{
 292        int lb_mode;
 293
 294        if (width > 2560)
 295                lb_mode = LB_RGB_3840X2;
 296        else if (width > 1920)
 297                lb_mode = LB_RGB_2560X4;
 298        else if (!is_yuv)
 299                lb_mode = LB_RGB_1920X5;
 300        else if (width > 1280)
 301                lb_mode = LB_YUV_3840X5;
 302        else
 303                lb_mode = LB_YUV_2560X8;
 304
 305        return lb_mode;
 306}
 307
 308extern const struct component_ops vop_component_ops;
 309#endif /* _ROCKCHIP_DRM_VOP_H */
 310