/**
* Convert the drm_color_lut to dc_gamma. The conversion depends on the size
* of the lut - whether or not it's legacy.
*/
static void __drm_lut_to_dc_gamma(struct drm_color_lut *lut,
struct dc_gamma *gamma,
bool is_legacy)
{
uint32_t r, g, b;
int i;
if (is_legacy) {
for (i = 0; i < MAX_COLOR_LEGACY_LUT_ENTRIES; i++) {
r = drm_color_lut_extract(lut[i].red, 16);
g = drm_color_lut_extract(lut[i].green, 16);
b = drm_color_lut_extract(lut[i].blue, 16);
gamma->entries.red[i] = dal_fixed31_32_from_int(r);
gamma->entries.green[i] = dal_fixed31_32_from_int(g);
gamma->entries.blue[i] = dal_fixed31_32_from_int(b);
}
return;
}
/* else */
for (i = 0; i < MAX_COLOR_LUT_ENTRIES; i++) {
r = drm_color_lut_extract(lut[i].red, 16);
g = drm_color_lut_extract(lut[i].green, 16);
b = drm_color_lut_extract(lut[i].blue, 16);
gamma->entries.red[i] = dal_fixed31_32_from_fraction(r, MAX_DRM_LUT_VALUE);
gamma->entries.green[i] = dal_fixed31_32_from_fraction(g, MAX_DRM_LUT_VALUE);
gamma->entries.blue[i] = dal_fixed31_32_from_fraction(b, MAX_DRM_LUT_VALUE);
}
}
const uint16_t *get_filter_8tap_64p(struct fixed31_32 ratio)
{
if (ratio.value < dal_fixed31_32_one.value)
return filter_8tap_64p_upscale;
else if (ratio.value < dal_fixed31_32_from_fraction(4, 3).value)
return filter_8tap_64p_117;
else if (ratio.value < dal_fixed31_32_from_fraction(5, 3).value)
return filter_8tap_64p_150;
else
return filter_8tap_64p_183;
}
static inline struct fixed31_32 fixed31_32_clamp(
struct fixed31_32 value,
int32_t min_numerator,
int32_t max_numerator,
int32_t denominator)
{
return dal_fixed31_32_clamp(
value,
dal_fixed31_32_from_fraction(
min_numerator,
denominator),
dal_fixed31_32_from_fraction(
max_numerator,
denominator));
}
static void prepare_yuv_ideal(
bool b601,
struct fixed31_32 *matrix)
{
static const int32_t matrix_1[] = {
25578516, 50216016, 9752344, 6250000,
-14764391, -28985609, 43750000, 50000000,
43750000, -36635164, -7114836, 50000000
};
static const int32_t matrix_2[] = {
18187266, 61183125, 6176484, 6250000,
-10025059, -33724941, 43750000, 50000000,
43750000, -39738379, -4011621, 50000000
};
const int32_t *matrix_x = b601 ? matrix_1 : matrix_2;
uint32_t i = 0;
do {
matrix[i] = dal_fixed31_32_from_fraction(
matrix_x[i],
100000000);
++i;
} while (i != ARRAY_SIZE(matrix_1));
}
/**
*****************************************************************************
* Function: setup_adjustments
* @note prepare to setup the values
*
* @see
*
*****************************************************************************
*/
static void setup_adjustments(const struct opp_grph_csc_adjustment *adjust,
struct dc_csc_adjustments *adjustments)
{
if (adjust->adjust_divider != 0) {
adjustments->brightness =
dal_fixed31_32_from_fraction(adjust->grph_bright,
adjust->adjust_divider);
adjustments->contrast =
dal_fixed31_32_from_fraction(adjust->grph_cont,
adjust->adjust_divider);
adjustments->saturation =
dal_fixed31_32_from_fraction(adjust->grph_sat,
adjust->adjust_divider);
} else {
adjustments->brightness =
dal_fixed31_32_from_fraction(adjust->grph_bright, 1);
adjustments->contrast =
dal_fixed31_32_from_fraction(adjust->grph_cont, 1);
adjustments->saturation =
dal_fixed31_32_from_fraction(adjust->grph_sat, 1);
}
/* convert degrees into radians */
adjustments->hue =
dal_fixed31_32_mul(
dal_fixed31_32_from_fraction(adjust->grph_hue, 180),
dal_fixed31_32_pi);
}
void calculate_adjustments(
const struct fixed31_32 *ideal_matrix,
const struct dc_csc_adjustments *adjustments,
struct fixed31_32 *matrix)
{
calculate_adjustments_common(ideal_matrix, adjustments, matrix);
matrix[3] = dal_fixed31_32_add(
ideal_matrix[3],
dal_fixed31_32_mul(
adjustments->brightness,
dal_fixed31_32_from_fraction(86, 100)));
}
/**
* convert_float_matrix
* This converts a double into HW register spec defined format S2D13.
* @param :
* @return None
*/
void convert_float_matrix(
uint16_t *matrix,
struct fixed31_32 *flt,
uint32_t buffer_size)
{
const struct fixed31_32 min_2_13 =
dal_fixed31_32_from_fraction(S2D13_MIN, DIVIDER);
const struct fixed31_32 max_2_13 =
dal_fixed31_32_from_fraction(S2D13_MAX, DIVIDER);
uint32_t i;
for (i = 0; i < buffer_size; ++i) {
uint32_t reg_value =
fixed_point_to_int_frac(
dal_fixed31_32_clamp(
flt[i],
min_2_13,
max_2_13),
2,
13);
matrix[i] = (uint16_t)reg_value;
}
}
/*
* initialize_color_float_adj_reference_values
* This initialize display color adjust input from API to HW range for later
* calculation use. This is shared by all the display color adjustment.
* @param :
* @return None
*/
static void initialize_color_float_adj_reference_values(
const struct opp_grph_csc_adjustment *adjust,
struct fixed31_32 *grph_cont,
struct fixed31_32 *grph_sat,
struct fixed31_32 *grph_bright,
struct fixed31_32 *sin_grph_hue,
struct fixed31_32 *cos_grph_hue)
{
/* Hue adjustment could be negative. -45 ~ +45 */
struct fixed31_32 hue =
dal_fixed31_32_mul(
dal_fixed31_32_from_fraction(adjust->grph_hue, 180),
dal_fixed31_32_pi);
*sin_grph_hue = dal_fixed31_32_sin(hue);
*cos_grph_hue = dal_fixed31_32_cos(hue);
if (adjust->adjust_divider) {
*grph_cont =
dal_fixed31_32_from_fraction(
adjust->grph_cont,
adjust->adjust_divider);
*grph_sat =
dal_fixed31_32_from_fraction(
adjust->grph_sat,
adjust->adjust_divider);
*grph_bright =
dal_fixed31_32_from_fraction(
adjust->grph_bright,
adjust->adjust_divider);
} else {
*grph_cont = dal_fixed31_32_from_int(adjust->grph_cont);
*grph_sat = dal_fixed31_32_from_int(adjust->grph_sat);
*grph_bright = dal_fixed31_32_from_int(adjust->grph_bright);
}
}
static void prepare_tv_rgb_ideal(
struct fixed31_32 *matrix)
{
static const int32_t matrix_[] = {
85546875, 0, 0, 6250000,
0, 85546875, 0, 6250000,
0, 0, 85546875, 6250000
};
uint32_t i = 0;
do {
matrix[i] = dal_fixed31_32_from_fraction(
matrix_[i],
100000000);
++i;
} while (i != ARRAY_SIZE(matrix_));
}
/**
*****************************************************************************
* Function: dal_transform_wide_gamut_set_gamut_remap
*
* @param [in] const struct xfm_grph_csc_adjustment *adjust
*
* @return
* void
*
* @note calculate and apply color temperature adjustment to in Rgb color space
*
* @see
*
*****************************************************************************
*/
void dce80_transform_set_gamut_remap(
struct transform *xfm,
const struct xfm_grph_csc_adjustment *adjust)
{
struct dce80_transform *xfm80 = TO_DCE80_TRANSFORM(xfm);
if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW ||
adjust->temperature_divider == 0)
program_gamut_remap(xfm80, NULL);
else {
struct fixed31_32 arr_matrix[GAMUT_MATRIX_SIZE];
uint16_t arr_reg_val[GAMUT_MATRIX_SIZE];
arr_matrix[0] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[0],
adjust->temperature_divider);
arr_matrix[1] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[1],
adjust->temperature_divider);
arr_matrix[2] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[2],
adjust->temperature_divider);
arr_matrix[3] = dal_fixed31_32_zero;
arr_matrix[4] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[3],
adjust->temperature_divider);
arr_matrix[5] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[4],
adjust->temperature_divider);
arr_matrix[6] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[5],
adjust->temperature_divider);
arr_matrix[7] = dal_fixed31_32_zero;
arr_matrix[8] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[6],
adjust->temperature_divider);
arr_matrix[9] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[7],
adjust->temperature_divider);
arr_matrix[10] =
dal_fixed31_32_from_fraction(
adjust->temperature_matrix[8],
adjust->temperature_divider);
arr_matrix[11] = dal_fixed31_32_zero;
convert_float_matrix(
arr_reg_val, arr_matrix, GAMUT_MATRIX_SIZE);
program_gamut_remap(xfm80, arr_reg_val);
}
}
/**
*****************************************************************************
* Function: dal_transform_wide_gamut_set_rgb_adjustment_legacy
*
* @param [in] const struct opp_grph_csc_adjustment *adjust
*
* @return
* void
*
* @note calculate and program color adjustments for sRGB color space
*
* @see
*
*****************************************************************************
*/
static void set_rgb_adjustment_legacy(
struct dce110_opp *opp110,
const struct opp_grph_csc_adjustment *adjust)
{
const struct fixed31_32 k1 =
dal_fixed31_32_from_fraction(701000, 1000000);
const struct fixed31_32 k2 =
dal_fixed31_32_from_fraction(236568, 1000000);
const struct fixed31_32 k3 =
dal_fixed31_32_from_fraction(-587000, 1000000);
const struct fixed31_32 k4 =
dal_fixed31_32_from_fraction(464432, 1000000);
const struct fixed31_32 k5 =
dal_fixed31_32_from_fraction(-114000, 1000000);
const struct fixed31_32 k6 =
dal_fixed31_32_from_fraction(-701000, 1000000);
const struct fixed31_32 k7 =
dal_fixed31_32_from_fraction(-299000, 1000000);
const struct fixed31_32 k8 =
dal_fixed31_32_from_fraction(-292569, 1000000);
const struct fixed31_32 k9 =
dal_fixed31_32_from_fraction(413000, 1000000);
const struct fixed31_32 k10 =
dal_fixed31_32_from_fraction(-92482, 1000000);
const struct fixed31_32 k11 =
dal_fixed31_32_from_fraction(-114000, 1000000);
const struct fixed31_32 k12 =
dal_fixed31_32_from_fraction(385051, 1000000);
const struct fixed31_32 k13 =
dal_fixed31_32_from_fraction(-299000, 1000000);
const struct fixed31_32 k14 =
dal_fixed31_32_from_fraction(886000, 1000000);
const struct fixed31_32 k15 =
dal_fixed31_32_from_fraction(-587000, 1000000);
const struct fixed31_32 k16 =
dal_fixed31_32_from_fraction(-741914, 1000000);
const struct fixed31_32 k17 =
dal_fixed31_32_from_fraction(886000, 1000000);
const struct fixed31_32 k18 =
dal_fixed31_32_from_fraction(-144086, 1000000);
const struct fixed31_32 luma_r =
dal_fixed31_32_from_fraction(299, 1000);
const struct fixed31_32 luma_g =
dal_fixed31_32_from_fraction(587, 1000);
const struct fixed31_32 luma_b =
dal_fixed31_32_from_fraction(114, 1000);
struct out_csc_color_matrix tbl_entry;
struct fixed31_32 matrix[OUTPUT_CSC_MATRIX_SIZE];
struct fixed31_32 grph_cont;
struct fixed31_32 grph_sat;
struct fixed31_32 grph_bright;
struct fixed31_32 sin_grph_hue;
struct fixed31_32 cos_grph_hue;
initialize_color_float_adj_reference_values(
adjust, &grph_cont, &grph_sat,
&grph_bright, &sin_grph_hue, &cos_grph_hue);
/* COEF_1_1 = GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K1 +
* Sin(GrphHue) * K2)) */
/* (Cos(GrphHue) * K1 + Sin(GrphHue) * K2) */
matrix[0] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k1),
dal_fixed31_32_mul(sin_grph_hue, k2));
/* GrphSat * (Cos(GrphHue) * K1 + Sin(GrphHue) * K2 */
matrix[0] = dal_fixed31_32_mul(grph_sat, matrix[0]);
/* (LumaR + GrphSat * (Cos(GrphHue) * K1 + Sin(GrphHue) * K2)) */
matrix[0] = dal_fixed31_32_add(luma_r, matrix[0]);
/* GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K1 + Sin(GrphHue) *
* K2)) */
matrix[0] = dal_fixed31_32_mul(grph_cont, matrix[0]);
/* COEF_1_2 = GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K3 +
* Sin(GrphHue) * K4)) */
/* (Cos(GrphHue) * K3 + Sin(GrphHue) * K4) */
matrix[1] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k3),
dal_fixed31_32_mul(sin_grph_hue, k4));
/* GrphSat * (Cos(GrphHue) * K3 + Sin(GrphHue) * K4) */
matrix[1] = dal_fixed31_32_mul(grph_sat, matrix[1]);
/* (LumaG + GrphSat * (Cos(GrphHue) * K3 + Sin(GrphHue) * K4)) */
matrix[1] = dal_fixed31_32_add(luma_g, matrix[1]);
/* GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K3 + Sin(GrphHue) *
* K4)) */
matrix[1] = dal_fixed31_32_mul(grph_cont, matrix[1]);
/* COEF_1_3 = GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K5 +
* Sin(GrphHue) * K6)) */
/* (Cos(GrphHue) * K5 + Sin(GrphHue) * K6) */
matrix[2] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k5),
dal_fixed31_32_mul(sin_grph_hue, k6));
/* GrphSat * (Cos(GrphHue) * K5 + Sin(GrphHue) * K6) */
matrix[2] = dal_fixed31_32_mul(grph_sat, matrix[2]);
/* LumaB + GrphSat * (Cos(GrphHue) * K5 + Sin(GrphHue) * K6) */
matrix[2] = dal_fixed31_32_add(luma_b, matrix[2]);
/* GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K5 + Sin(GrphHue) *
* K6)) */
matrix[2] = dal_fixed31_32_mul(grph_cont, matrix[2]);
/* COEF_1_4 = GrphBright */
matrix[3] = grph_bright;
/* COEF_2_1 = GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K7 +
* Sin(GrphHue) * K8)) */
/* (Cos(GrphHue) * K7 + Sin(GrphHue) * K8) */
matrix[4] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k7),
dal_fixed31_32_mul(sin_grph_hue, k8));
/* GrphSat * (Cos(GrphHue) * K7 + Sin(GrphHue) * K8) */
matrix[4] = dal_fixed31_32_mul(grph_sat, matrix[4]);
/* (LumaR + GrphSat * (Cos(GrphHue) * K7 + Sin(GrphHue) * K8)) */
matrix[4] = dal_fixed31_32_add(luma_r, matrix[4]);
/* GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K7 + Sin(GrphHue) *
* K8)) */
matrix[4] = dal_fixed31_32_mul(grph_cont, matrix[4]);
/* COEF_2_2 = GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K9 +
* Sin(GrphHue) * K10)) */
/* (Cos(GrphHue) * K9 + Sin(GrphHue) * K10)) */
matrix[5] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k9),
dal_fixed31_32_mul(sin_grph_hue, k10));
/* GrphSat * (Cos(GrphHue) * K9 + Sin(GrphHue) * K10)) */
matrix[5] = dal_fixed31_32_mul(grph_sat, matrix[5]);
/* (LumaG + GrphSat * (Cos(GrphHue) * K9 + Sin(GrphHue) * K10)) */
matrix[5] = dal_fixed31_32_add(luma_g, matrix[5]);
/* GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K9 + Sin(GrphHue) *
* K10)) */
matrix[5] = dal_fixed31_32_mul(grph_cont, matrix[5]);
/* COEF_2_3 = GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K11 +
* Sin(GrphHue) * K12)) */
/* (Cos(GrphHue) * K11 + Sin(GrphHue) * K12)) */
matrix[6] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k11),
dal_fixed31_32_mul(sin_grph_hue, k12));
/* GrphSat * (Cos(GrphHue) * K11 + Sin(GrphHue) * K12)) */
matrix[6] = dal_fixed31_32_mul(grph_sat, matrix[6]);
/* (LumaB + GrphSat * (Cos(GrphHue) * K11 + Sin(GrphHue) * K12)) */
matrix[6] = dal_fixed31_32_add(luma_b, matrix[6]);
/* GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K11 + Sin(GrphHue) *
* K12)) */
matrix[6] = dal_fixed31_32_mul(grph_cont, matrix[6]);
/* COEF_2_4 = GrphBright */
matrix[7] = grph_bright;
/* COEF_3_1 = GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K13 +
* Sin(GrphHue) * K14)) */
/* (Cos(GrphHue) * K13 + Sin(GrphHue) * K14)) */
matrix[8] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k13),
dal_fixed31_32_mul(sin_grph_hue, k14));
/* GrphSat * (Cos(GrphHue) * K13 + Sin(GrphHue) * K14)) */
matrix[8] = dal_fixed31_32_mul(grph_sat, matrix[8]);
/* (LumaR + GrphSat * (Cos(GrphHue) * K13 + Sin(GrphHue) * K14)) */
matrix[8] = dal_fixed31_32_add(luma_r, matrix[8]);
/* GrphCont * (LumaR + GrphSat * (Cos(GrphHue) * K13 + Sin(GrphHue) *
* K14)) */
matrix[8] = dal_fixed31_32_mul(grph_cont, matrix[8]);
/* COEF_3_2 = GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K15 +
* Sin(GrphHue) * K16)) */
/* GrphSat * (Cos(GrphHue) * K15 + Sin(GrphHue) * K16) */
matrix[9] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k15),
dal_fixed31_32_mul(sin_grph_hue, k16));
/* (LumaG + GrphSat * (Cos(GrphHue) * K15 + Sin(GrphHue) * K16)) */
matrix[9] = dal_fixed31_32_mul(grph_sat, matrix[9]);
/* (LumaG + GrphSat * (Cos(GrphHue) * K15 + Sin(GrphHue) * K16)) */
matrix[9] = dal_fixed31_32_add(luma_g, matrix[9]);
/* GrphCont * (LumaG + GrphSat * (Cos(GrphHue) * K15 + Sin(GrphHue) *
* K16)) */
matrix[9] = dal_fixed31_32_mul(grph_cont, matrix[9]);
/* COEF_3_3 = GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K17 +
* Sin(GrphHue) * K18)) */
/* (Cos(GrphHue) * K17 + Sin(GrphHue) * K18)) */
matrix[10] =
dal_fixed31_32_add(
dal_fixed31_32_mul(cos_grph_hue, k17),
dal_fixed31_32_mul(sin_grph_hue, k18));
/* GrphSat * (Cos(GrphHue) * K17 + Sin(GrphHue) * K18)) */
matrix[10] = dal_fixed31_32_mul(grph_sat, matrix[10]);
/* (LumaB + GrphSat * (Cos(GrphHue) * K17 + Sin(GrphHue) * K18)) */
matrix[10] = dal_fixed31_32_add(luma_b, matrix[10]);
/* GrphCont * (LumaB + GrphSat * (Cos(GrphHue) * K17 + Sin(GrphHue) *
* K18)) */
matrix[10] = dal_fixed31_32_mul(grph_cont, matrix[10]);
/* COEF_3_4 = GrphBright */
matrix[11] = grph_bright;
tbl_entry.color_space = adjust->c_space;
convert_float_matrix(tbl_entry.regval, matrix, OUTPUT_CSC_MATRIX_SIZE);
program_color_matrix(
opp110, &tbl_entry, adjust->color_adjust_option);
}