Merge tag 'soc-drivers-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-block.git] / drivers / gpu / drm / amd / display / dc / inc / hw / panel_cntl.h
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1/*
2 * Copyright 2017 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23/*
d4caa72e 24 * panel_cntl.h
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25 *
26 * Created on: Oct 6, 2015
27 * Author: yonsun
28 */
29
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30#ifndef DC_PANEL_CNTL_H_
31#define DC_PANEL_CNTL_H_
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32
33#include "dc_types.h"
34
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35#define MAX_BACKLIGHT_LEVEL 0xFFFF
36
37struct panel_cntl_backlight_registers {
38 unsigned int BL_PWM_CNTL;
39 unsigned int BL_PWM_CNTL2;
40 unsigned int BL_PWM_PERIOD_CNTL;
41 unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
a91b402d 42 unsigned int PANEL_PWRSEQ_REF_DIV2;
ee8ed250 43 unsigned int USER_LEVEL;
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44};
45
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46struct panel_cntl_funcs {
47 void (*destroy)(struct panel_cntl **panel_cntl);
3ba01817 48 uint32_t (*hw_init)(struct panel_cntl *panel_cntl);
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49 bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl);
50 bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl);
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51 void (*store_backlight_level)(struct panel_cntl *panel_cntl);
52 void (*driver_set_backlight)(struct panel_cntl *panel_cntl,
53 uint32_t backlight_pwm_u16_16);
ccc87505 54 uint32_t (*get_current_backlight)(struct panel_cntl *panel_cntl);
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55};
56
d4caa72e 57struct panel_cntl_init_data {
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58 struct dc_context *ctx;
59 uint32_t inst;
4e738260 60 uint32_t eng_id;
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61};
62
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63struct panel_cntl {
64 const struct panel_cntl_funcs *funcs;
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65 struct dc_context *ctx;
66 uint32_t inst;
b17ef04b 67 uint32_t pwrseq_inst;
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68 /* registers setting needs to be saved and restored at InitBacklight */
69 struct panel_cntl_backlight_registers stored_backlight_registers;
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70};
71
d4caa72e 72#endif /* DC_PANEL_CNTL_H_ */