LXR linux/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h

   1/* Copyright 2012-15 Advanced Micro Devices, Inc.
   2 *
   3 * Permission is hereby granted, free of charge, to any person obtaining a
   4 * copy of this software and associated documentation files (the "Software"),
   5 * to deal in the Software without restriction, including without limitation
   6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 * and/or sell copies of the Software, and to permit persons to whom the
   8 * Software is furnished to do so, subject to the following conditions:
   9 *
  10 * The above copyright notice and this permission notice shall be included in
  11 * all copies or substantial portions of the Software.
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  19 * OTHER DEALINGS IN THE SOFTWARE.
  20 *
  21 * Authors: AMD
  22 *
  23 */
  24
  25#ifndef __DC_ABM_H__
  26#define __DC_ABM_H__
  27
  28#include "dm_services_types.h"
  29
  30struct abm {
  31        struct dc_context *ctx;
  32        const struct abm_funcs *funcs;
  33        bool dmcu_is_running;
  34};
  35
  36struct abm_funcs {
  37        void (*abm_init)(struct abm *abm, uint32_t back_light);
  38        bool (*set_abm_level)(struct abm *abm, unsigned int abm_level);
  39        bool (*set_abm_immediate_disable)(struct abm *abm, unsigned int panel_inst);
  40        bool (*set_pipe)(struct abm *abm, unsigned int controller_id, unsigned int panel_inst);
  41
  42        /* backlight_pwm_u16_16 is unsigned 32 bit,
  43         * 16 bit integer + 16 fractional, where 1.0 is max backlight value.
  44         */
  45        bool (*set_backlight_level_pwm)(struct abm *abm,
  46                        unsigned int backlight_pwm_u16_16,
  47                        unsigned int frame_ramp,
  48                        unsigned int controller_id,
  49                        unsigned int panel_inst);
  50
  51        unsigned int (*get_current_backlight)(struct abm *abm);
  52        unsigned int (*get_target_backlight)(struct abm *abm);
  53        bool (*init_abm_config)(struct abm *abm,
  54                        const char *src,
  55                        unsigned int bytes,
  56                        unsigned int inst);
  57};
  58
  59#endif
  60