diff options
Diffstat (limited to 'drivers/gpu/drm/amd/dal/display_service/color_temperature.c')
| -rw-r--r-- | drivers/gpu/drm/amd/dal/display_service/color_temperature.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/dal/display_service/color_temperature.c b/drivers/gpu/drm/amd/dal/display_service/color_temperature.c new file mode 100644 index 000000000000..39b92193635e --- /dev/null +++ b/drivers/gpu/drm/amd/dal/display_service/color_temperature.c @@ -0,0 +1,212 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dal_services.h" + +#include "color_temperature.h" + + +static const struct white_point_entry white_point_table[] = { +/*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 }, +/*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 dal_color_temperature_find_white_point( + int32_t request_temperature, + struct white_point_data *data) +{ + bool ret = false; + struct white_point_entry entry; + + if (request_temperature > 0) { + ret = + dal_color_temperature_search_white_point_table( + request_temperature, + &entry); + if (ret == true) { + data->white_x = entry.dx; + data->white_y = entry.dy; + } + } + return ret; +} + +bool dal_color_temperature_search_white_point_table( + uint32_t temp_to_find, + struct white_point_entry *entry) +{ + bool ret = false; + const struct white_point_entry *p; + uint32_t const_size; + + const_size = ARRAY_SIZE(white_point_table); + + for (p = white_point_table; p < &white_point_table[const_size]; p++) { + if (p->temperature == temp_to_find) { + *entry = *p; + ret = true; + break; + } + } + return ret; +} + +bool dal_color_temperature_find_color_temperature( + struct white_point_data *data, + int32_t *temperature, + bool *exact_match) +{ + bool ret = false; + const struct white_point_entry *p; + const struct white_point_entry *next; + const struct white_point_entry *foundx = NULL; + uint32_t const_size; + + const_size = ARRAY_SIZE(white_point_table); + + for (p = white_point_table; p < &white_point_table[const_size]; p++) { + if (p->dx == data->white_x && p->dy == data->white_y) { + *temperature = p->temperature; + *exact_match = true; + ret = true; + break; + } + } + + if (ret == false) { + for (p = white_point_table; + p < &white_point_table[const_size]; p++) { + next = p + 1; + if (p->dx >= data->white_x && + next->dx <= data->white_x) { + foundx = p; + *exact_match = false; + ret = true; + break; + } + if (foundx != NULL) + *temperature = foundx->temperature; + } + + } + if (ret == false) { + /* no such color temperature */ + /* give default and investigate because + * it would be annoying for CCC */ + *temperature = 6500; + ret = true; + } + return ret; +} |