diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c | 555 |
1 files changed, 555 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c index 9ff283bff007..409462f29f54 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_cm.c @@ -52,6 +52,11 @@ #define FN(reg_name, field_name) \ xfm->tf_shift->field_name, xfm->tf_mask->field_name +struct dcn10_input_csc_matrix { + enum dc_color_space color_space; + uint32_t regval[12]; +}; + enum dcn10_coef_filter_type_sel { SCL_COEF_LUMA_VERT_FILTER = 0, SCL_COEF_LUMA_HORZ_FILTER = 1, @@ -111,6 +116,26 @@ enum gamut_remap_select { GAMUT_REMAP_COMB_COEFF }; +static const struct dcn10_input_csc_matrix dcn10_input_csc_matrix[] = { + {COLOR_SPACE_SRGB, + {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} }, + {COLOR_SPACE_SRGB_LIMITED, + {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} }, + {COLOR_SPACE_YCBCR601, + {0x2cdd, 0x2000, 0, 0xe991, 0xe926, 0x2000, 0xf4fd, 0x10ef, + 0, 0x2000, 0x38b4, 0xe3a6} }, + {COLOR_SPACE_YCBCR601_LIMITED, + {0x3353, 0x2568, 0, 0xe400, 0xe5dc, 0x2568, 0xf367, 0x1108, + 0, 0x2568, 0x40de, 0xdd3a} }, + {COLOR_SPACE_YCBCR709, + {0x3265, 0x2000, 0, 0xe6ce, 0xf105, 0x2000, 0xfa01, 0xa7d, 0, + 0x2000, 0x3b61, 0xe24f} }, + + {COLOR_SPACE_YCBCR709_LIMITED, + {0x39a6, 0x2568, 0, 0xe0d6, 0xeedd, 0x2568, 0xf925, 0x9a8, 0, + 0x2568, 0x43ee, 0xdbb2} } +}; + static void program_gamut_remap( struct dcn10_dpp *xfm, const uint16_t *regval, @@ -774,3 +799,533 @@ void dcn10_dpp_cm_program_regamma_lutb_settings( CM_RGAM_RAMB_EXP_REGION33_NUM_SEGMENTS, curve[1].segments_num); } + +void ippn10_program_input_csc( + struct transform *xfm_base, + enum dc_color_space color_space, + enum dcn10_input_csc_select select) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + int i; + int arr_size = sizeof(dcn10_input_csc_matrix)/sizeof(struct dcn10_input_csc_matrix); + const uint32_t *regval = NULL; + uint32_t selection = 1; + + if (select == INPUT_CSC_SELECT_BYPASS) { + REG_SET(CM_ICSC_CONTROL, 0, CM_ICSC_MODE, 0); + return; + } + + for (i = 0; i < arr_size; i++) + if (dcn10_input_csc_matrix[i].color_space == color_space) { + regval = dcn10_input_csc_matrix[i].regval; + break; + } + + if (regval == NULL) { + BREAK_TO_DEBUGGER(); + return; + } + + if (select == INPUT_CSC_SELECT_COMA) + selection = 2; + REG_SET(CM_ICSC_CONTROL, 0, + CM_ICSC_MODE, selection); + + if (select == INPUT_CSC_SELECT_ICSC) { + /*R*/ + REG_SET_2(CM_ICSC_C11_C12, 0, + CM_ICSC_C11, regval[0], + CM_ICSC_C12, regval[1]); + regval += 2; + REG_SET_2(CM_ICSC_C13_C14, 0, + CM_ICSC_C13, regval[0], + CM_ICSC_C14, regval[1]); + /*G*/ + regval += 2; + REG_SET_2(CM_ICSC_C21_C22, 0, + CM_ICSC_C21, regval[0], + CM_ICSC_C22, regval[1]); + regval += 2; + REG_SET_2(CM_ICSC_C23_C24, 0, + CM_ICSC_C23, regval[0], + CM_ICSC_C24, regval[1]); + /*B*/ + regval += 2; + REG_SET_2(CM_ICSC_C31_C32, 0, + CM_ICSC_C31, regval[0], + CM_ICSC_C32, regval[1]); + regval += 2; + REG_SET_2(CM_ICSC_C33_C34, 0, + CM_ICSC_C33, regval[0], + CM_ICSC_C34, regval[1]); + } else { + /*R*/ + REG_SET_2(CM_COMA_C11_C12, 0, + CM_COMA_C11, regval[0], + CM_COMA_C12, regval[1]); + regval += 2; + REG_SET_2(CM_COMA_C13_C14, 0, + CM_COMA_C13, regval[0], + CM_COMA_C14, regval[1]); + /*G*/ + regval += 2; + REG_SET_2(CM_COMA_C21_C22, 0, + CM_COMA_C21, regval[0], + CM_COMA_C22, regval[1]); + regval += 2; + REG_SET_2(CM_COMA_C23_C24, 0, + CM_COMA_C23, regval[0], + CM_COMA_C24, regval[1]); + /*B*/ + regval += 2; + REG_SET_2(CM_COMA_C31_C32, 0, + CM_COMA_C31, regval[0], + CM_COMA_C32, regval[1]); + regval += 2; + REG_SET_2(CM_COMA_C33_C34, 0, + CM_COMA_C33, regval[0], + CM_COMA_C34, regval[1]); + } +} + +/*program de gamma RAM B*/ +void ippn10_program_degamma_lutb_settings( + struct transform *xfm_base, + const struct pwl_params *params) +{ + const struct gamma_curve *curve; + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_SET_2(CM_DGAM_RAMB_START_CNTL_B, 0, + CM_DGAM_RAMB_EXP_REGION_START_B, params->arr_points[0].custom_float_x, + CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_B, 0); + + REG_SET_2(CM_DGAM_RAMB_START_CNTL_G, 0, + CM_DGAM_RAMB_EXP_REGION_START_G, params->arr_points[0].custom_float_x, + CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_G, 0); + + REG_SET_2(CM_DGAM_RAMB_START_CNTL_R, 0, + CM_DGAM_RAMB_EXP_REGION_START_R, params->arr_points[0].custom_float_x, + CM_DGAM_RAMB_EXP_REGION_START_SEGMENT_R, 0); + + REG_SET(CM_DGAM_RAMB_SLOPE_CNTL_B, 0, + CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_B, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMB_SLOPE_CNTL_G, 0, + CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_G, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMB_SLOPE_CNTL_R, 0, + CM_DGAM_RAMB_EXP_REGION_LINEAR_SLOPE_R, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMB_END_CNTL1_B, 0, + CM_DGAM_RAMB_EXP_REGION_END_B, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMB_END_CNTL2_B, 0, + CM_DGAM_RAMB_EXP_REGION_END_SLOPE_B, params->arr_points[1].custom_float_y, + CM_DGAM_RAMB_EXP_REGION_END_BASE_B, params->arr_points[2].custom_float_slope); + + REG_SET(CM_DGAM_RAMB_END_CNTL1_G, 0, + CM_DGAM_RAMB_EXP_REGION_END_G, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMB_END_CNTL2_G, 0, + CM_DGAM_RAMB_EXP_REGION_END_SLOPE_G, params->arr_points[1].custom_float_y, + CM_DGAM_RAMB_EXP_REGION_END_BASE_G, params->arr_points[2].custom_float_slope); + + REG_SET(CM_DGAM_RAMB_END_CNTL1_R, 0, + CM_DGAM_RAMB_EXP_REGION_END_R, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMB_END_CNTL2_R, 0, + CM_DGAM_RAMB_EXP_REGION_END_SLOPE_R, params->arr_points[1].custom_float_y, + CM_DGAM_RAMB_EXP_REGION_END_BASE_R, params->arr_points[2].custom_float_slope); + + curve = params->arr_curve_points; + REG_SET_4(CM_DGAM_RAMB_REGION_0_1, 0, + CM_DGAM_RAMB_EXP_REGION0_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION1_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_2_3, 0, + CM_DGAM_RAMB_EXP_REGION2_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION3_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_4_5, 0, + CM_DGAM_RAMB_EXP_REGION4_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION5_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_6_7, 0, + CM_DGAM_RAMB_EXP_REGION6_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION7_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_8_9, 0, + CM_DGAM_RAMB_EXP_REGION8_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION9_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_10_11, 0, + CM_DGAM_RAMB_EXP_REGION10_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION11_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_12_13, 0, + CM_DGAM_RAMB_EXP_REGION12_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION13_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMB_REGION_14_15, 0, + CM_DGAM_RAMB_EXP_REGION14_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMB_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMB_EXP_REGION15_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMB_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num); +} + +/*program de gamma RAM A*/ +void ippn10_program_degamma_luta_settings( + struct transform *xfm_base, + const struct pwl_params *params) +{ + const struct gamma_curve *curve; + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_SET_2(CM_DGAM_RAMA_START_CNTL_B, 0, + CM_DGAM_RAMA_EXP_REGION_START_B, params->arr_points[0].custom_float_x, + CM_DGAM_RAMA_EXP_REGION_START_SEGMENT_B, 0); + + REG_SET_2(CM_DGAM_RAMA_START_CNTL_G, 0, + CM_DGAM_RAMA_EXP_REGION_START_G, params->arr_points[0].custom_float_x, + CM_DGAM_RAMA_EXP_REGION_START_SEGMENT_G, 0); + + REG_SET_2(CM_DGAM_RAMA_START_CNTL_R, 0, + CM_DGAM_RAMA_EXP_REGION_START_R, params->arr_points[0].custom_float_x, + CM_DGAM_RAMA_EXP_REGION_START_SEGMENT_R, 0); + + REG_SET(CM_DGAM_RAMA_SLOPE_CNTL_B, 0, + CM_DGAM_RAMA_EXP_REGION_LINEAR_SLOPE_B, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMA_SLOPE_CNTL_G, 0, + CM_DGAM_RAMA_EXP_REGION_LINEAR_SLOPE_G, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMA_SLOPE_CNTL_R, 0, + CM_DGAM_RAMA_EXP_REGION_LINEAR_SLOPE_R, params->arr_points[0].custom_float_slope); + + REG_SET(CM_DGAM_RAMA_END_CNTL1_B, 0, + CM_DGAM_RAMA_EXP_REGION_END_B, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMA_END_CNTL2_B, 0, + CM_DGAM_RAMA_EXP_REGION_END_SLOPE_B, params->arr_points[1].custom_float_y, + CM_DGAM_RAMA_EXP_REGION_END_BASE_B, params->arr_points[2].custom_float_slope); + + REG_SET(CM_DGAM_RAMA_END_CNTL1_G, 0, + CM_DGAM_RAMA_EXP_REGION_END_G, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMA_END_CNTL2_G, 0, + CM_DGAM_RAMA_EXP_REGION_END_SLOPE_G, params->arr_points[1].custom_float_y, + CM_DGAM_RAMA_EXP_REGION_END_BASE_G, params->arr_points[2].custom_float_slope); + + REG_SET(CM_DGAM_RAMA_END_CNTL1_R, 0, + CM_DGAM_RAMA_EXP_REGION_END_R, params->arr_points[1].custom_float_x); + + REG_SET_2(CM_DGAM_RAMA_END_CNTL2_R, 0, + CM_DGAM_RAMA_EXP_REGION_END_SLOPE_R, params->arr_points[1].custom_float_y, + CM_DGAM_RAMA_EXP_REGION_END_BASE_R, params->arr_points[2].custom_float_slope); + + curve = params->arr_curve_points; + REG_SET_4(CM_DGAM_RAMA_REGION_0_1, 0, + CM_DGAM_RAMA_EXP_REGION0_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION1_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_2_3, 0, + CM_DGAM_RAMA_EXP_REGION2_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION2_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION3_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION3_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_4_5, 0, + CM_DGAM_RAMA_EXP_REGION4_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION4_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION5_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION5_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_6_7, 0, + CM_DGAM_RAMA_EXP_REGION6_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION6_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION7_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION7_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_8_9, 0, + CM_DGAM_RAMA_EXP_REGION8_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION8_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION9_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION9_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_10_11, 0, + CM_DGAM_RAMA_EXP_REGION10_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION10_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION11_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION11_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_12_13, 0, + CM_DGAM_RAMA_EXP_REGION12_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION12_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION13_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION13_NUM_SEGMENTS, curve[1].segments_num); + + curve += 2; + REG_SET_4(CM_DGAM_RAMA_REGION_14_15, 0, + CM_DGAM_RAMA_EXP_REGION14_LUT_OFFSET, curve[0].offset, + CM_DGAM_RAMA_EXP_REGION14_NUM_SEGMENTS, curve[0].segments_num, + CM_DGAM_RAMA_EXP_REGION15_LUT_OFFSET, curve[1].offset, + CM_DGAM_RAMA_EXP_REGION15_NUM_SEGMENTS, curve[1].segments_num); +} + +void ippn10_power_on_degamma_lut( + struct transform *xfm_base, + bool power_on) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_SET(CM_MEM_PWR_CTRL, 0, + SHARED_MEM_PWR_DIS, power_on == true ? 0:1); + +} + +static void ippn10_enable_cm_block( + struct transform *xfm_base) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_UPDATE(CM_CONTROL, CM_BYPASS_EN, 0); +} + +void ippn10_set_degamma( + struct transform *xfm_base, + enum ipp_degamma_mode mode) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + ippn10_enable_cm_block(xfm_base); + + switch (mode) { + case IPP_DEGAMMA_MODE_BYPASS: + /* Setting de gamma bypass for now */ + REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 0); + break; + case IPP_DEGAMMA_MODE_HW_sRGB: + REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 1); + break; + case IPP_DEGAMMA_MODE_HW_xvYCC: + REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 2); + break; + default: + BREAK_TO_DEBUGGER(); + break; + } +} + +void ippn10_degamma_ram_select( + struct transform *xfm_base, + bool use_ram_a) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + if (use_ram_a) + REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 3); + else + REG_UPDATE(CM_DGAM_CONTROL, CM_DGAM_LUT_MODE, 4); + +} + +static bool ippn10_degamma_ram_inuse( + struct transform *xfm_base, + bool *ram_a_inuse) +{ + bool ret = false; + uint32_t status_reg = 0; + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS, + &status_reg); + + if (status_reg == 9) { + *ram_a_inuse = true; + ret = true; + } else if (status_reg == 10) { + *ram_a_inuse = false; + ret = true; + } + return ret; +} + +void ippn10_program_degamma_lut( + struct transform *xfm_base, + const struct pwl_result_data *rgb, + uint32_t num, + bool is_ram_a) +{ + uint32_t i; + + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_HOST_EN, 0); + REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK, + CM_DGAM_LUT_WRITE_EN_MASK, 7); + REG_UPDATE(CM_DGAM_LUT_WRITE_EN_MASK, CM_DGAM_LUT_WRITE_SEL, + is_ram_a == true ? 0:1); + + REG_SET(CM_DGAM_LUT_INDEX, 0, CM_DGAM_LUT_INDEX, 0); + for (i = 0 ; i < num; i++) { + REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].red_reg); + REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].green_reg); + REG_SET(CM_DGAM_LUT_DATA, 0, CM_DGAM_LUT_DATA, rgb[i].blue_reg); + + REG_SET(CM_DGAM_LUT_DATA, 0, + CM_DGAM_LUT_DATA, rgb[i].delta_red_reg); + REG_SET(CM_DGAM_LUT_DATA, 0, + CM_DGAM_LUT_DATA, rgb[i].delta_green_reg); + REG_SET(CM_DGAM_LUT_DATA, 0, + CM_DGAM_LUT_DATA, rgb[i].delta_blue_reg); + } +} + +void ippn10_set_degamma_pwl(struct transform *xfm_base, + const struct pwl_params *params) +{ + bool is_ram_a = true; + + ippn10_power_on_degamma_lut(xfm_base, true); + ippn10_enable_cm_block(xfm_base); + ippn10_degamma_ram_inuse(xfm_base, &is_ram_a); + if (is_ram_a == true) + ippn10_program_degamma_lutb_settings(xfm_base, params); + else + ippn10_program_degamma_luta_settings(xfm_base, params); + + ippn10_program_degamma_lut(xfm_base, params->rgb_resulted, + params->hw_points_num, !is_ram_a); + ippn10_degamma_ram_select(xfm_base, !is_ram_a); +} + +void ippn10_full_bypass(struct transform *xfm_base) +{ + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + /* Input pixel format: ARGB8888 */ + REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0, + CNVC_SURFACE_PIXEL_FORMAT, 0x8); + + /* Zero expansion */ + REG_SET_3(FORMAT_CONTROL, 0, + CNVC_BYPASS, 0, + FORMAT_CONTROL__ALPHA_EN, 0, + FORMAT_EXPANSION_MODE, 0); + + /* COLOR_KEYER_CONTROL.COLOR_KEYER_EN = 0 this should be default */ + REG_SET(CM_CONTROL, 0, CM_BYPASS_EN, 1); + + /* Setting degamma bypass for now */ + REG_SET(CM_DGAM_CONTROL, 0, CM_DGAM_LUT_MODE, 0); + REG_SET(CM_IGAM_CONTROL, 0, CM_IGAM_LUT_MODE, 0); +} + +static bool ippn10_ingamma_ram_inuse(struct transform *xfm_base, + bool *ram_a_inuse) +{ + bool in_use = false; + uint32_t status_reg = 0; + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + + REG_GET(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_DGAM_CONFIG_STATUS, + &status_reg); + + // 1 => IGAM_RAMA, 3 => IGAM_RAMA & DGAM_ROMA, 4 => IGAM_RAMA & DGAM_ROMB + if (status_reg == 1 || status_reg == 3 || status_reg == 4) { + *ram_a_inuse = true; + in_use = true; + // 2 => IGAM_RAMB, 5 => IGAM_RAMB & DGAM_ROMA, 6 => IGAM_RAMB & DGAM_ROMB + } else if (status_reg == 2 || status_reg == 5 || status_reg == 6) { + *ram_a_inuse = false; + in_use = true; + } + return in_use; +} + +/* + * Input gamma LUT currently supports 256 values only. This means input color + * can have a maximum of 8 bits per channel (= 256 possible values) in order to + * have a one-to-one mapping with the LUT. Truncation will occur with color + * values greater than 8 bits. + * + * In the future, this function should support additional input gamma methods, + * such as piecewise linear mapping, and input gamma bypass. + */ +void ippn10_program_input_lut( + struct transform *xfm_base, + const struct dc_gamma *gamma) +{ + int i; + struct dcn10_dpp *xfm = TO_DCN10_DPP(xfm_base); + bool rama_occupied = false; + uint32_t ram_num; + // Power on LUT memory. + REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 1); + ippn10_enable_cm_block(xfm_base); + // Determine whether to use RAM A or RAM B + ippn10_ingamma_ram_inuse(xfm_base, &rama_occupied); + if (!rama_occupied) + REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 0); + else + REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_SEL, 1); + // RW mode is 256-entry LUT + REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_RW_MODE, 0); + // IGAM Input format should be 8 bits per channel. + REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_INPUT_FORMAT, 0); + // Do not mask any R,G,B values + REG_UPDATE(CM_IGAM_LUT_RW_CONTROL, CM_IGAM_LUT_WRITE_EN_MASK, 7); + // LUT-256, unsigned, integer, new u0.12 format + REG_UPDATE_3( + CM_IGAM_CONTROL, + CM_IGAM_LUT_FORMAT_R, 3, + CM_IGAM_LUT_FORMAT_G, 3, + CM_IGAM_LUT_FORMAT_B, 3); + // Start at index 0 of IGAM LUT + REG_UPDATE(CM_IGAM_LUT_RW_INDEX, CM_IGAM_LUT_RW_INDEX, 0); + for (i = 0; i < gamma->num_entries; i++) { + REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.red[i])); + REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.green[i])); + REG_SET(CM_IGAM_LUT_SEQ_COLOR, 0, CM_IGAM_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.blue[i])); + } + // Power off LUT memory + REG_SET(CM_MEM_PWR_CTRL, 0, SHARED_MEM_PWR_DIS, 0); + // Enable IGAM LUT on ram we just wrote to. 2 => RAMA, 3 => RAMB + REG_UPDATE(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, rama_occupied ? 3 : 2); + REG_GET(CM_IGAM_CONTROL, CM_IGAM_LUT_MODE, &ram_num); +} |