diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h new file mode 100644 index 000000000000..f9ab5abb6462 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h @@ -0,0 +1,67 @@ +/* + * Copyright 2017 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. + * + */ +/* + * panel_cntl.h + * + * Created on: Oct 6, 2015 + * Author: yonsun + */ + +#ifndef DC_PANEL_CNTL_H_ +#define DC_PANEL_CNTL_H_ + +#include "dc_types.h" + +#define MAX_BACKLIGHT_LEVEL 0xFFFF + +struct panel_cntl_backlight_registers { + unsigned int BL_PWM_CNTL; + unsigned int BL_PWM_CNTL2; + unsigned int BL_PWM_PERIOD_CNTL; + unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV; +}; + +struct panel_cntl_funcs { + void (*destroy)(struct panel_cntl **panel_cntl); + uint32_t (*hw_init)(struct panel_cntl *panel_cntl); + bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl); + bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl); + void (*store_backlight_level)(struct panel_cntl *panel_cntl); + void (*driver_set_backlight)(struct panel_cntl *panel_cntl, + uint32_t backlight_pwm_u16_16); +}; + +struct panel_cntl_init_data { + struct dc_context *ctx; + uint32_t inst; +}; + +struct panel_cntl { + const struct panel_cntl_funcs *funcs; + struct dc_context *ctx; + uint32_t inst; + /* registers setting needs to be saved and restored at InitBacklight */ + struct panel_cntl_backlight_registers stored_backlight_registers; +}; + +#endif /* DC_PANEL_CNTL_H_ */ |