1 /*
2  * Copyright 2018 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 __DCN20_DCCG_H__
27 #define __DCN20_DCCG_H__
28 
29 #include "dccg.h"
30 
31 #define DCCG_COMMON_REG_LIST_DCN_BASE() \
32 	SR(DPPCLK_DTO_CTRL),\
33 	DCCG_SRII(DTO_PARAM, DPPCLK, 0),\
34 	DCCG_SRII(DTO_PARAM, DPPCLK, 1),\
35 	DCCG_SRII(DTO_PARAM, DPPCLK, 2),\
36 	DCCG_SRII(DTO_PARAM, DPPCLK, 3),\
37 	SR(REFCLK_CNTL)
38 
39 #define DCCG_REG_LIST_DCN2() \
40 	DCCG_COMMON_REG_LIST_DCN_BASE(),\
41 	DCCG_SRII(DTO_PARAM, DPPCLK, 4),\
42 	DCCG_SRII(DTO_PARAM, DPPCLK, 5)
43 
44 #define DCCG_SF(reg_name, field_name, post_fix)\
45 	.field_name = reg_name ## __ ## field_name ## post_fix
46 
47 #define DCCG_SFI(reg_name, field_name, field_prefix, inst, post_fix)\
48 	.field_prefix ## _ ## field_name[inst] = reg_name ## __ ## field_prefix ## inst ## _ ## field_name ## post_fix
49 
50 #define DCCG_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \
51 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 0, mask_sh),\
52 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 0, mask_sh),\
53 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 1, mask_sh),\
54 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 1, mask_sh),\
55 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 2, mask_sh),\
56 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 2, mask_sh),\
57 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 3, mask_sh),\
58 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 3, mask_sh),\
59 	DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_PHASE, mask_sh),\
60 	DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_MODULO, mask_sh),\
61 	DCCG_SF(REFCLK_CNTL, REFCLK_CLOCK_EN, mask_sh),\
62 	DCCG_SF(REFCLK_CNTL, REFCLK_SRC_SEL, mask_sh)
63 
64 #define DCCG_MASK_SH_LIST_DCN2(mask_sh) \
65 	DCCG_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh),\
66 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 4, mask_sh),\
67 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 4, mask_sh),\
68 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 5, mask_sh),\
69 	DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 5, mask_sh)
70 
71 #define DCCG_REG_FIELD_LIST(type) \
72 	type DPPCLK0_DTO_PHASE;\
73 	type DPPCLK0_DTO_MODULO;\
74 	type DPPCLK_DTO_ENABLE[6];\
75 	type DPPCLK_DTO_DB_EN[6];\
76 	type REFCLK_CLOCK_EN;\
77 	type REFCLK_SRC_SEL;
78 
79 #define DCCG3_REG_FIELD_LIST(type) \
80 	type PHYASYMCLK_FORCE_EN;\
81 	type PHYASYMCLK_FORCE_SRC_SEL;\
82 	type PHYBSYMCLK_FORCE_EN;\
83 	type PHYBSYMCLK_FORCE_SRC_SEL;\
84 	type PHYCSYMCLK_FORCE_EN;\
85 	type PHYCSYMCLK_FORCE_SRC_SEL;
86 
87 #if defined(CONFIG_DRM_AMD_DC_DCN3_1)
88 #define DCCG31_REG_FIELD_LIST(type) \
89 	type PHYDSYMCLK_FORCE_EN;\
90 	type PHYDSYMCLK_FORCE_SRC_SEL;\
91 	type PHYESYMCLK_FORCE_EN;\
92 	type PHYESYMCLK_FORCE_SRC_SEL;\
93 	type DPSTREAMCLK_PIPE0_EN;\
94 	type DPSTREAMCLK_PIPE1_EN;\
95 	type DPSTREAMCLK_PIPE2_EN;\
96 	type DPSTREAMCLK_PIPE3_EN;\
97 	type HDMISTREAMCLK0_SRC_SEL;\
98 	type HDMISTREAMCLK0_DTO_FORCE_DIS;\
99 	type SYMCLK32_SE0_SRC_SEL;\
100 	type SYMCLK32_SE1_SRC_SEL;\
101 	type SYMCLK32_SE2_SRC_SEL;\
102 	type SYMCLK32_SE3_SRC_SEL;\
103 	type SYMCLK32_SE0_EN;\
104 	type SYMCLK32_SE1_EN;\
105 	type SYMCLK32_SE2_EN;\
106 	type SYMCLK32_SE3_EN;\
107 	type SYMCLK32_LE0_SRC_SEL;\
108 	type SYMCLK32_LE1_SRC_SEL;\
109 	type SYMCLK32_LE0_EN;\
110 	type SYMCLK32_LE1_EN;\
111 	type DTBCLK_DTO_ENABLE[MAX_PIPES];\
112 	type DTBCLKDTO_ENABLE_STATUS[MAX_PIPES];\
113 	type PIPE_DTO_SRC_SEL[MAX_PIPES];\
114 	type DTBCLK_DTO_DIV[MAX_PIPES];\
115 	type DCCG_AUDIO_DTO_SEL;\
116 	type DCCG_AUDIO_DTO0_SOURCE_SEL;\
117 	type DENTIST_DISPCLK_CHG_MODE;
118 #endif
119 
120 struct dccg_shift {
121 	DCCG_REG_FIELD_LIST(uint8_t)
122 	DCCG3_REG_FIELD_LIST(uint8_t)
123 #if defined(CONFIG_DRM_AMD_DC_DCN3_1)
124 	DCCG31_REG_FIELD_LIST(uint8_t)
125 #endif
126 };
127 
128 struct dccg_mask {
129 	DCCG_REG_FIELD_LIST(uint32_t)
130 	DCCG3_REG_FIELD_LIST(uint32_t)
131 #if defined(CONFIG_DRM_AMD_DC_DCN3_1)
132 	DCCG31_REG_FIELD_LIST(uint32_t)
133 #endif
134 };
135 
136 struct dccg_registers {
137 	uint32_t DPPCLK_DTO_CTRL;
138 	uint32_t DPPCLK_DTO_PARAM[6];
139 	uint32_t REFCLK_CNTL;
140 	uint32_t HDMICHARCLK_CLOCK_CNTL[6];
141 	uint32_t PHYASYMCLK_CLOCK_CNTL;
142 	uint32_t PHYBSYMCLK_CLOCK_CNTL;
143 	uint32_t PHYCSYMCLK_CLOCK_CNTL;
144 #if defined(CONFIG_DRM_AMD_DC_DCN3_1)
145 	uint32_t PHYDSYMCLK_CLOCK_CNTL;
146 	uint32_t PHYESYMCLK_CLOCK_CNTL;
147 	uint32_t OTG_PIXEL_RATE_CNTL[MAX_PIPES];
148 	uint32_t DTBCLK_DTO_MODULO[MAX_PIPES];
149 	uint32_t DTBCLK_DTO_PHASE[MAX_PIPES];
150 	uint32_t DCCG_AUDIO_DTBCLK_DTO_MODULO;
151 	uint32_t DCCG_AUDIO_DTBCLK_DTO_PHASE;
152 	uint32_t DCCG_AUDIO_DTO_SOURCE;
153 	uint32_t DPSTREAMCLK_CNTL;
154 	uint32_t HDMISTREAMCLK_CNTL;
155 	uint32_t SYMCLK32_SE_CNTL;
156 	uint32_t SYMCLK32_LE_CNTL;
157 	uint32_t DENTIST_DISPCLK_CNTL;
158 #endif
159 };
160 
161 struct dcn_dccg {
162 	struct dccg base;
163 	const struct dccg_registers *regs;
164 	const struct dccg_shift *dccg_shift;
165 	const struct dccg_mask *dccg_mask;
166 };
167 
168 void dccg2_update_dpp_dto(struct dccg *dccg, int dpp_inst, int req_dppclk);
169 
170 void dccg2_get_dccg_ref_freq(struct dccg *dccg,
171 		unsigned int xtalin_freq_inKhz,
172 		unsigned int *dccg_ref_freq_inKhz);
173 
174 void dccg2_init(struct dccg *dccg);
175 
176 struct dccg *dccg2_create(
177 	struct dc_context *ctx,
178 	const struct dccg_registers *regs,
179 	const struct dccg_shift *dccg_shift,
180 	const struct dccg_mask *dccg_mask);
181 
182 void dcn_dccg_destroy(struct dccg **dccg);
183 
184 #endif //__DCN20_DCCG_H__
185