linux/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c

/*
 * Copyright 2012-16 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 <linux/slab.h>

#include "dce_abm.h"
#include "dm_services.h"
#include "reg_helper.h"
#include "fixed31_32.h"
#include "dc.h"

#include "atom.h"


#define TO_DCE_ABM(abm) …

#define REG(reg) …

#undef FN
#define FN(reg_name, field_name) …

#define DC_LOGGER …
#define CTX …

#define MCP_ABM_LEVEL_SET …
#define MCP_ABM_PIPE_SET …
#define MCP_BL_SET …

#define MCP_DISABLE_ABM_IMMEDIATELY …

static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id, uint32_t panel_inst)
{ … }

static void dmcu_set_backlight_level(
	struct dce_abm *abm_dce,
	uint32_t backlight_pwm_u16_16,
	uint32_t frame_ramp,
	uint32_t controller_id,
	uint32_t panel_id)
{ … }

static void dce_abm_init(struct abm *abm, uint32_t backlight, uint32_t user_level)
{ … }

static unsigned int dce_abm_get_current_backlight(struct abm *abm)
{ … }

static unsigned int dce_abm_get_target_backlight(struct abm *abm)
{ … }

static bool dce_abm_set_level(struct abm *abm, uint32_t level)
{ … }

static bool dce_abm_immediate_disable(struct abm *abm, uint32_t panel_inst)
{ … }

static bool dce_abm_set_backlight_level_pwm(
		struct abm *abm,
		unsigned int backlight_pwm_u16_16,
		unsigned int frame_ramp,
		unsigned int controller_id,
		unsigned int panel_inst)
{ … }

static const struct abm_funcs dce_funcs = …;

static void dce_abm_construct(
	struct dce_abm *abm_dce,
	struct dc_context *ctx,
	const struct dce_abm_registers *regs,
	const struct dce_abm_shift *abm_shift,
	const struct dce_abm_mask *abm_mask)
{ … }

struct abm *dce_abm_create(
	struct dc_context *ctx,
	const struct dce_abm_registers *regs,
	const struct dce_abm_shift *abm_shift,
	const struct dce_abm_mask *abm_mask)
{ … }

void dce_abm_destroy(struct abm **abm)
{ … }