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_backlight_registers {
31	unsigned int BL_PWM_CNTL;
32	unsigned int BL_PWM_CNTL2;
33	unsigned int BL_PWM_PERIOD_CNTL;
34	unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
35};
36
37struct abm {
38	struct dc_context *ctx;
39	const struct abm_funcs *funcs;
40
41	/* registers setting needs to be saved and restored at InitBacklight */
42	struct abm_backlight_registers stored_backlight_registers;
43};
44
45struct abm_funcs {
46	void (*abm_init)(struct abm *abm);
47	bool (*set_abm_level)(struct abm *abm, unsigned int abm_level);
48	bool (*set_abm_immediate_disable)(struct abm *abm);
49	bool (*init_backlight)(struct abm *abm);
50	bool (*set_backlight_level)(struct abm *abm,
51			unsigned int backlight_level,
52			unsigned int frame_ramp,
53			unsigned int controller_id,
54			bool use_smooth_brightness);
55	unsigned int (*get_current_backlight_8_bit)(struct abm *abm);
56};
57
58#endif