xref: /linux/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h (revision 164666fa66669d437bdcc8d5f1744a2aee73be41)
1 /*
2  * Copyright 2012-15 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  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DC_PANEL_CNTL__DCE_H__
27 #define __DC_PANEL_CNTL__DCE_H__
28 
29 #include "panel_cntl.h"
30 
31 /* set register offset with instance */
32 #define DCE_PANEL_CNTL_SR(reg_name, block)\
33 	.reg_name = mm ## block ## _ ## reg_name
34 
35 #define DCE_PANEL_CNTL_REG_LIST()\
36 	DCE_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
37 	DCE_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
38 	DCE_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
39 	SR(BL_PWM_CNTL), \
40 	SR(BL_PWM_CNTL2), \
41 	SR(BL_PWM_PERIOD_CNTL), \
42 	SR(BL_PWM_GRP1_REG_LOCK), \
43 	SR(BIOS_SCRATCH_2)
44 
45 #define DCN_PANEL_CNTL_SR(reg_name, block)\
46 	.reg_name = BASE(mm ## block ## _ ## reg_name ## _BASE_IDX) + \
47 					mm ## block ## _ ## reg_name
48 
49 #define DCN_PANEL_CNTL_REG_LIST()\
50 	DCN_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
51 	DCN_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
52 	DCN_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
53 	SR(BL_PWM_CNTL), \
54 	SR(BL_PWM_CNTL2), \
55 	SR(BL_PWM_PERIOD_CNTL), \
56 	SR(BL_PWM_GRP1_REG_LOCK), \
57 	NBIO_SR(BIOS_SCRATCH_2)
58 
59 #define DCE_PANEL_CNTL_SF(reg_name, field_name, post_fix)\
60 	.field_name = reg_name ## __ ## field_name ## post_fix
61 
62 #define DCE_PANEL_CNTL_MASK_SH_LIST(mask_sh) \
63 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh),\
64 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_BLON_OVRD, mask_sh),\
65 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON, mask_sh),\
66 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON_OVRD, mask_sh),\
67 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_PWRSEQ_TARGET_STATE, mask_sh), \
68 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh), \
69 	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, mask_sh), \
70 	DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, mask_sh), \
71 	DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, mask_sh), \
72 	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, mask_sh), \
73 	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, mask_sh), \
74 	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_EN, mask_sh), \
75 	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, mask_sh), \
76 	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_LOCK, mask_sh), \
77 	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_UPDATE_PENDING, mask_sh)
78 
79 #define DCE_PANEL_CNTL_REG_FIELD_LIST(type) \
80 	type LVTMA_BLON;\
81 	type LVTMA_BLON_OVRD;\
82 	type LVTMA_DIGON;\
83 	type LVTMA_DIGON_OVRD;\
84 	type LVTMA_PWRSEQ_TARGET_STATE; \
85 	type LVTMA_PWRSEQ_TARGET_STATE_R; \
86 	type BL_PWM_REF_DIV; \
87 	type BL_PWM_EN; \
88 	type BL_ACTIVE_INT_FRAC_CNT; \
89 	type BL_PWM_FRACTIONAL_EN; \
90 	type BL_PWM_PERIOD; \
91 	type BL_PWM_PERIOD_BITCNT; \
92 	type BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN; \
93 	type BL_PWM_GRP1_REG_LOCK; \
94 	type BL_PWM_GRP1_REG_UPDATE_PENDING
95 
96 struct dce_panel_cntl_shift {
97 	DCE_PANEL_CNTL_REG_FIELD_LIST(uint8_t);
98 };
99 
100 struct dce_panel_cntl_mask {
101 	DCE_PANEL_CNTL_REG_FIELD_LIST(uint32_t);
102 };
103 
104 struct dce_panel_cntl_registers {
105 	uint32_t PWRSEQ_CNTL;
106 	uint32_t PWRSEQ_STATE;
107 	uint32_t BL_PWM_CNTL;
108 	uint32_t BL_PWM_CNTL2;
109 	uint32_t BL_PWM_PERIOD_CNTL;
110 	uint32_t BL_PWM_GRP1_REG_LOCK;
111 	uint32_t PWRSEQ_REF_DIV;
112 	uint32_t BIOS_SCRATCH_2;
113 };
114 
115 struct dce_panel_cntl {
116 	struct panel_cntl base;
117 	const struct dce_panel_cntl_registers *regs;
118 	const struct dce_panel_cntl_shift *shift;
119 	const struct dce_panel_cntl_mask *mask;
120 };
121 
122 void dce_panel_cntl_construct(
123 	struct dce_panel_cntl *panel_cntl,
124 	const struct panel_cntl_init_data *init_data,
125 	const struct dce_panel_cntl_registers *regs,
126 	const struct dce_panel_cntl_shift *shift,
127 	const struct dce_panel_cntl_mask *mask);
128 
129 #endif /* __DC_PANEL_CNTL__DCE_H__ */
130