diff options
3 files changed, 251 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_helper.c b/drivers/gpu/drm/amd/display/modules/color/color_helper.c new file mode 100644 index 000000000000..c47d2962c6d4 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/color/color_helper.c @@ -0,0 +1,199 @@ + +/** + * @file + * @date Copyright (c) 2008 Advanced Micro Devices, Inc. (unpublished) + * + * @brief Helper functions for color gamut calculation + * + * @internal + * All rights reserved. This notice is intended as a precaution against + * inadvertent publication and does not imply publication or any waiver + * of confidentiality. The year included in the foregoing notice is the + * year of creation of the work. + */ + +#include "dm_services.h" +#include "dc.h" +#include "mod_color.h" +#include "color_helper.h" + +const struct gamut_space_entry predefined_gamuts[] = { + /* x_red y_red x_gr y_gr x_blue y_blue a0 a1 a2 a3 gamma */ + [gamut_type_bt709] = {6400, 3300, 3000, 6000, 1500, 600, 180000, 4500, 99, 99, 2200}, + [gamut_type_bt601] = {6400, 3300, 2900, 6000, 1500, 600, 180000, 4500, 99, 99, 2200}, + [gamut_type_adobe_rgb] = {6400, 3300, 2100, 7100, 1500, 600, 180000, 4500, 99, 99, 2200}, + [gamut_type_srgb] = {6400, 3300, 3000, 6000, 1500, 600, 31308, 12920, 55, 55, 2400}, + [gamut_type_bt2020] = {7080, 2920, 1700, 7970, 1310, 460, 180000, 4500, 99, 99, 2200} +}; + +const struct white_point_coodinates_entry predefined_white_points[] = { + [white_point_type_5000k_horizon] = {5000, 3473, 3561}, + [white_point_type_6500k_noon] = {6500, 3127, 3290}, + [white_point_type_7500k_north_sky] = {7500, 3022, 3129}, + [white_point_type_9300k] = {9300, 2866, 2950} +}; + +const unsigned int white_point_entries = 91; + +const struct white_point_coodinates_entry white_point_temps[] = { + /*001*/{1000, 6499, 3474}, + /*002*/{1100, 6361, 3594}, + /*003*/{1200, 6226, 3703}, + /*004*/{1300, 6095, 3801}, + /*005*/{1400, 5966, 3887}, + /*006*/{1500, 5841, 3962}, + /*007*/{1600, 5720, 4025}, + /*008*/{1700, 5601, 4076}, + /*009*/{1800, 5486, 4118}, + /*010*/{1900, 5375, 4150}, + /*011*/{2000, 5267, 4173}, + /*012*/{2100, 5162, 4188}, + /*013*/{2200, 5062, 4196}, + /*014*/{2300, 4965, 4198}, + /*015*/{2400, 4872, 4194}, + /*016*/{2500, 4782, 4186}, + /*017*/{2600, 4696, 4173}, + /*018*/{2700, 4614, 4158}, + /*019*/{2800, 4535, 4139}, + /*020*/{2900, 4460, 4118}, + /*021*/{3000, 4388, 4095}, + /*022*/{3100, 4320, 4070}, + /*023*/{3200, 4254, 4044}, + /*024*/{3300, 4192, 4018}, + /*025*/{3400, 4132, 3990}, + /*026*/{3500, 4075, 3962}, + /*027*/{3600, 4021, 3934}, + /*028*/{3700, 3969, 3905}, + /*029*/{3800, 3919, 3877}, + /*030*/{3900, 3872, 3849}, + /*031*/{4000, 3827, 3820}, + /*032*/{4100, 3784, 3793}, + /*033*/{4200, 3743, 3765}, + /*034*/{4300, 3704, 3738}, + /*035*/{4400, 3666, 3711}, + /*036*/{4500, 3631, 3685}, + /*037*/{4600, 3596, 3659}, + /*038*/{4700, 3563, 3634}, + /*039*/{4800, 3532, 3609}, + /*040*/{4900, 3502, 3585}, + /*041*/{5000, 3473, 3561}, + /*042*/{5100, 3446, 3538}, + /*043*/{5200, 3419, 3516}, + /*044*/{5300, 3394, 3494}, + /*045*/{5400, 3369, 3472}, + /*046*/{5500, 3346, 3451}, + /*047*/{5600, 3323, 3431}, + /*048*/{5700, 3302, 3411}, + /*049*/{5800, 3281, 3392}, + /*050*/{5900, 3261, 3373}, + /*051*/{6000, 3242, 3355}, + /*052*/{6100, 3223, 3337}, + /*053*/{6200, 3205, 3319}, + /*054*/{6300, 3188, 3302}, + /*055*/{6400, 3161, 3296}, + /*056*/{6500, 3127, 3290}, /* This is the real white point sRGB */ + /*057*/{6600, 3126, 3264}, + /*058*/{6700, 3125, 3238}, + /*059*/{6800, 3110, 3224}, + /*060*/{6900, 3097, 3209}, + /*061*/{7000, 3083, 3195}, + /*062*/{7100, 3070, 3181}, + /*063*/{7200, 3058, 3168}, + /*064*/{7300, 3045, 3154}, + /*065*/{7400, 3034, 3142}, + /*066*/{7500, 3022, 3129}, + /*067*/{7600, 3011, 3117}, + /*068*/{7700, 3000, 3105}, + /*069*/{7800, 2990, 3094}, + /*070*/{7900, 2980, 3082}, + /*071*/{8000, 2970, 3071}, + /*072*/{8100, 2961, 3061}, + /*073*/{8200, 2952, 3050}, + /*074*/{8300, 2943, 3040}, + /*075*/{8400, 2934, 3030}, + /*076*/{8500, 2926, 3020}, + /*077*/{8600, 2917, 3011}, + /*078*/{8700, 2910, 3001}, + /*079*/{8800, 2902, 2992}, + /*080*/{8900, 2894, 2983}, + /*081*/{9000, 2887, 2975}, + /*082*/{9100, 2880, 2966}, + /*083*/{9200, 2873, 2958}, + /*084*/{9300, 2866, 2950}, + /*085*/{9400, 2860, 2942}, + /*086*/{9500, 2853, 2934}, + /*087*/{9600, 2847, 2927}, + /*088*/{9700, 2841, 2919}, + /*089*/{9800, 2835, 2912}, + /*090*/{9900, 2829, 2905}, + /*091*/{10000, 2824, 2898} +}; + +bool mod_color_find_predefined_gamut( + struct gamut_space_coordinates *out_gamut, + enum predefined_gamut_type type) +{ + out_gamut->redX = predefined_gamuts[type].redX; + out_gamut->redY = predefined_gamuts[type].redY; + out_gamut->greenX = predefined_gamuts[type].greenX; + out_gamut->greenY = predefined_gamuts[type].greenY; + out_gamut->blueX = predefined_gamuts[type].blueX; + out_gamut->blueY = predefined_gamuts[type].blueY; + + return true; +} + +bool mod_color_find_predefined_white_point( + struct white_point_coodinates *out_white_point, + enum predefined_white_point_type type) +{ + out_white_point->whiteX = predefined_white_points[type].whiteX; + out_white_point->whiteY = predefined_white_points[type].whiteY; + + return true; +} + +bool mod_color_find_white_point_from_temperature( + struct white_point_coodinates *out_white_point, + unsigned int temperature) +{ + int i; + unsigned int found = false; + struct white_point_coodinates_entry temp_white_point = + white_point_temps[55]; + + if (temperature < 1000 || temperature > 10000) + return false; + + for (i = 0; i < white_point_entries; i++) { + if (temperature == white_point_temps[i].temperature) { + temp_white_point = white_point_temps[i]; + found = true; + break; + } + } + + out_white_point->whiteX = temp_white_point.whiteX; + out_white_point->whiteY = temp_white_point.whiteY; + + return found; +} + +bool mod_color_find_temperature_from_white_point( + struct white_point_coodinates *in_white_point, + unsigned int *out_temperature) +{ + unsigned int i; + *out_temperature = 6500; + + for (i = 0; i < white_point_entries; i++) { + if (in_white_point->whiteX == white_point_temps[i].whiteX && + in_white_point->whiteY == white_point_temps[i].whiteY) { + *out_temperature = white_point_temps[i].temperature; + return true; + } + } + + return false; +} + diff --git a/drivers/gpu/drm/amd/display/modules/color/color_helper.h b/drivers/gpu/drm/amd/display/modules/color/color_helper.h new file mode 100644 index 000000000000..c0e6334b947e --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/color/color_helper.h @@ -0,0 +1,50 @@ +/** + * @file + * @date Copyright (c) 2008 Advanced Micro Devices, Inc. (unpublished) + * + * @brief Helper functions for color gamut calculation + * + * @internal + * All rights reserved. This notice is intended as a precaution against + * inadvertent publication and does not imply publication or any waiver + * of confidentiality. The year included in the foregoing notice is the + * year of creation of the work. + */ + +#ifndef COLOR_MOD_COLOR_HELPER_H_ +#define COLOR_MOD_COLOR_HELPER_H_ + +enum predefined_gamut_type { + gamut_type_bt709, + gamut_type_bt601, + gamut_type_adobe_rgb, + gamut_type_srgb, + gamut_type_bt2020, + gamut_type_unknown, +}; + +enum predefined_white_point_type { + white_point_type_5000k_horizon, + white_point_type_6500k_noon, + white_point_type_7500k_north_sky, + white_point_type_9300k, + white_point_type_unknown, +}; + +bool mod_color_find_predefined_gamut( + struct gamut_space_coordinates *out_gamut, + enum predefined_gamut_type type); + +bool mod_color_find_predefined_white_point( + struct white_point_coodinates *out_white_point, + unsigned int index); + +bool mod_color_find_white_point_from_temperature( + struct white_point_coodinates *out_white_point, + unsigned int temperature); + +bool mod_color_find_temperature_from_white_point( + struct white_point_coodinates *in_white_point, + unsigned int *out_temperature); + +#endif /* COLOR_MOD_COLOR_HELPER_H_ */ diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_color.h b/drivers/gpu/drm/amd/display/modules/inc/mod_color.h index 91abc173444a..787c2c0a0e14 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_color.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_color.h @@ -28,6 +28,7 @@ #define MOD_COLOR_H_ #include "dm_services.h" +#include "color_helper.h" struct mod_color { int dummy; @@ -54,7 +55,6 @@ struct gamut_space_coordinates { }; struct gamut_space_entry { - unsigned int index; unsigned int redX; unsigned int redY; unsigned int greenX; @@ -75,7 +75,7 @@ struct white_point_coodinates { }; struct white_point_coodinates_entry { - unsigned int index; + unsigned int temperature; unsigned int whiteX; unsigned int whiteY; }; |