xref: /dflybsd-src/sys/dev/drm/amd/display/dc/inc/hw/abm.h (revision b843c749addef9340ee7d4e250b09fdd492602a1)
1*b843c749SSergey Zigachev /* Copyright 2012-15 Advanced Micro Devices, Inc.
2*b843c749SSergey Zigachev  *
3*b843c749SSergey Zigachev  * Permission is hereby granted, free of charge, to any person obtaining a
4*b843c749SSergey Zigachev  * copy of this software and associated documentation files (the "Software"),
5*b843c749SSergey Zigachev  * to deal in the Software without restriction, including without limitation
6*b843c749SSergey Zigachev  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7*b843c749SSergey Zigachev  * and/or sell copies of the Software, and to permit persons to whom the
8*b843c749SSergey Zigachev  * Software is furnished to do so, subject to the following conditions:
9*b843c749SSergey Zigachev  *
10*b843c749SSergey Zigachev  * The above copyright notice and this permission notice shall be included in
11*b843c749SSergey Zigachev  * all copies or substantial portions of the Software.
12*b843c749SSergey Zigachev  *
13*b843c749SSergey Zigachev  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14*b843c749SSergey Zigachev  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15*b843c749SSergey Zigachev  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
16*b843c749SSergey Zigachev  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17*b843c749SSergey Zigachev  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18*b843c749SSergey Zigachev  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19*b843c749SSergey Zigachev  * OTHER DEALINGS IN THE SOFTWARE.
20*b843c749SSergey Zigachev  *
21*b843c749SSergey Zigachev  * Authors: AMD
22*b843c749SSergey Zigachev  *
23*b843c749SSergey Zigachev  */
24*b843c749SSergey Zigachev 
25*b843c749SSergey Zigachev #ifndef __DC_ABM_H__
26*b843c749SSergey Zigachev #define __DC_ABM_H__
27*b843c749SSergey Zigachev 
28*b843c749SSergey Zigachev #include "dm_services_types.h"
29*b843c749SSergey Zigachev 
30*b843c749SSergey Zigachev struct abm_backlight_registers {
31*b843c749SSergey Zigachev 	unsigned int BL_PWM_CNTL;
32*b843c749SSergey Zigachev 	unsigned int BL_PWM_CNTL2;
33*b843c749SSergey Zigachev 	unsigned int BL_PWM_PERIOD_CNTL;
34*b843c749SSergey Zigachev 	unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
35*b843c749SSergey Zigachev };
36*b843c749SSergey Zigachev 
37*b843c749SSergey Zigachev struct abm {
38*b843c749SSergey Zigachev 	struct dc_context *ctx;
39*b843c749SSergey Zigachev 	const struct abm_funcs *funcs;
40*b843c749SSergey Zigachev 
41*b843c749SSergey Zigachev 	/* registers setting needs to be saved and restored at InitBacklight */
42*b843c749SSergey Zigachev 	struct abm_backlight_registers stored_backlight_registers;
43*b843c749SSergey Zigachev };
44*b843c749SSergey Zigachev 
45*b843c749SSergey Zigachev struct abm_funcs {
46*b843c749SSergey Zigachev 	void (*abm_init)(struct abm *abm);
47*b843c749SSergey Zigachev 	bool (*set_abm_level)(struct abm *abm, unsigned int abm_level);
48*b843c749SSergey Zigachev 	bool (*set_abm_immediate_disable)(struct abm *abm);
49*b843c749SSergey Zigachev 	bool (*init_backlight)(struct abm *abm);
50*b843c749SSergey Zigachev 	bool (*set_backlight_level)(struct abm *abm,
51*b843c749SSergey Zigachev 			unsigned int backlight_level,
52*b843c749SSergey Zigachev 			unsigned int frame_ramp,
53*b843c749SSergey Zigachev 			unsigned int controller_id,
54*b843c749SSergey Zigachev 			bool use_smooth_brightness);
55*b843c749SSergey Zigachev 	unsigned int (*get_current_backlight_8_bit)(struct abm *abm);
56*b843c749SSergey Zigachev };
57*b843c749SSergey Zigachev 
58*b843c749SSergey Zigachev #endif
59