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_CLOCK_SOURCE_DCE_H__
26 #define __DC_CLOCK_SOURCE_DCE_H__
27 
28 #include "../inc/clock_source.h"
29 
30 #define TO_DCE110_CLK_SRC(clk_src)\
31 	container_of(clk_src, struct dce110_clk_src, base)
32 
33 #define CS_COMMON_REG_LIST_DCE_100_110(id) \
34 		SRI(RESYNC_CNTL, PIXCLK, id), \
35 		SRI(PLL_CNTL, BPHYC_PLL, id)
36 
37 #define CS_COMMON_REG_LIST_DCE_80(id) \
38 		SRI(RESYNC_CNTL, PIXCLK, id), \
39 		SRI(PLL_CNTL, DCCG_PLL, id)
40 
41 #define CS_COMMON_REG_LIST_DCE_112(id) \
42 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, id)
43 
44 
45 #define CS_SF(reg_name, field_name, post_fix)\
46 	.field_name = reg_name ## __ ## field_name ## post_fix
47 
48 #define CS_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh)\
49 	CS_SF(PLL_CNTL, PLL_REF_DIV_SRC, mask_sh),\
50 	CS_SF(PIXCLK1_RESYNC_CNTL, DCCG_DEEP_COLOR_CNTL1, mask_sh),\
51 	CS_SF(PLL_POST_DIV, PLL_POST_DIV_PIXCLK, mask_sh),\
52 	CS_SF(PLL_REF_DIV, PLL_REF_DIV, mask_sh)
53 
54 #define CS_COMMON_MASK_SH_LIST_DCE_112(mask_sh)\
55 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
56 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_PIXCLK_DOUBLE_RATE_ENABLE, mask_sh)
57 
58 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
59 #define CS_COMMON_REG_LIST_DCN2_0(index, pllid) \
60 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
61 		SRII(PHASE, DP_DTO, 0),\
62 		SRII(PHASE, DP_DTO, 1),\
63 		SRII(PHASE, DP_DTO, 2),\
64 		SRII(PHASE, DP_DTO, 3),\
65 		SRII(PHASE, DP_DTO, 4),\
66 		SRII(PHASE, DP_DTO, 5),\
67 		SRII(MODULO, DP_DTO, 0),\
68 		SRII(MODULO, DP_DTO, 1),\
69 		SRII(MODULO, DP_DTO, 2),\
70 		SRII(MODULO, DP_DTO, 3),\
71 		SRII(MODULO, DP_DTO, 4),\
72 		SRII(MODULO, DP_DTO, 5),\
73 		SRII(PIXEL_RATE_CNTL, OTG, 0),\
74 		SRII(PIXEL_RATE_CNTL, OTG, 1),\
75 		SRII(PIXEL_RATE_CNTL, OTG, 2),\
76 		SRII(PIXEL_RATE_CNTL, OTG, 3),\
77 		SRII(PIXEL_RATE_CNTL, OTG, 4),\
78 		SRII(PIXEL_RATE_CNTL, OTG, 5)
79 #endif
80 
81 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
82 #define CS_COMMON_MASK_SH_LIST_DCN2_0(mask_sh)\
83 	CS_SF(DP_DTO0_PHASE, DP_DTO0_PHASE, mask_sh),\
84 	CS_SF(DP_DTO0_MODULO, DP_DTO0_MODULO, mask_sh),\
85 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
86 	CS_SF(OTG0_PIXEL_RATE_CNTL, DP_DTO0_ENABLE, mask_sh)
87 #endif
88 
89 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
90 
91 #define CS_COMMON_REG_LIST_DCN1_0(index, pllid) \
92 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
93 		SRII(PHASE, DP_DTO, 0),\
94 		SRII(PHASE, DP_DTO, 1),\
95 		SRII(PHASE, DP_DTO, 2),\
96 		SRII(PHASE, DP_DTO, 3),\
97 		SRII(MODULO, DP_DTO, 0),\
98 		SRII(MODULO, DP_DTO, 1),\
99 		SRII(MODULO, DP_DTO, 2),\
100 		SRII(MODULO, DP_DTO, 3),\
101 		SRII(PIXEL_RATE_CNTL, OTG, 0), \
102 		SRII(PIXEL_RATE_CNTL, OTG, 1), \
103 		SRII(PIXEL_RATE_CNTL, OTG, 2), \
104 		SRII(PIXEL_RATE_CNTL, OTG, 3)
105 
106 #define CS_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
107 	CS_SF(DP_DTO0_PHASE, DP_DTO0_PHASE, mask_sh),\
108 	CS_SF(DP_DTO0_MODULO, DP_DTO0_MODULO, mask_sh),\
109 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
110 	CS_SF(OTG0_PIXEL_RATE_CNTL, DP_DTO0_ENABLE, mask_sh)
111 
112 #endif
113 
114 #define CS_REG_FIELD_LIST(type) \
115 	type PLL_REF_DIV_SRC; \
116 	type DCCG_DEEP_COLOR_CNTL1; \
117 	type PHYPLLA_DCCG_DEEP_COLOR_CNTL; \
118 	type PHYPLLA_PIXCLK_DOUBLE_RATE_ENABLE; \
119 	type PLL_POST_DIV_PIXCLK; \
120 	type PLL_REF_DIV; \
121 	type DP_DTO0_PHASE; \
122 	type DP_DTO0_MODULO; \
123 	type DP_DTO0_ENABLE;
124 
125 struct dce110_clk_src_shift {
126 	CS_REG_FIELD_LIST(uint8_t)
127 };
128 
129 struct dce110_clk_src_mask{
130 	CS_REG_FIELD_LIST(uint32_t)
131 };
132 
133 struct dce110_clk_src_regs {
134 	uint32_t RESYNC_CNTL;
135 	uint32_t PIXCLK_RESYNC_CNTL;
136 	uint32_t PLL_CNTL;
137 
138 	/* below are for DTO.
139 	 * todo: should probably use different struct to not waste space
140 	 */
141 	uint32_t PHASE[MAX_PIPES];
142 	uint32_t MODULO[MAX_PIPES];
143 	uint32_t PIXEL_RATE_CNTL[MAX_PIPES];
144 };
145 
146 struct dce110_clk_src {
147 	struct clock_source base;
148 	const struct dce110_clk_src_regs *regs;
149 	const struct dce110_clk_src_mask *cs_mask;
150 	const struct dce110_clk_src_shift *cs_shift;
151 	struct dc_bios *bios;
152 
153 	struct spread_spectrum_data *dp_ss_params;
154 	uint32_t dp_ss_params_cnt;
155 	struct spread_spectrum_data *hdmi_ss_params;
156 	uint32_t hdmi_ss_params_cnt;
157 	struct spread_spectrum_data *dvi_ss_params;
158 	uint32_t dvi_ss_params_cnt;
159 	struct spread_spectrum_data *lvds_ss_params;
160 	uint32_t lvds_ss_params_cnt;
161 
162 	uint32_t ext_clk_khz;
163 	uint32_t ref_freq_khz;
164 
165 	struct calc_pll_clock_source calc_pll;
166 	struct calc_pll_clock_source calc_pll_hdmi;
167 };
168 
169 bool dce110_clk_src_construct(
170 	struct dce110_clk_src *clk_src,
171 	struct dc_context *ctx,
172 	struct dc_bios *bios,
173 	enum clock_source_id,
174 	const struct dce110_clk_src_regs *regs,
175 	const struct dce110_clk_src_shift *cs_shift,
176 	const struct dce110_clk_src_mask *cs_mask);
177 
178 bool dce112_clk_src_construct(
179 	struct dce110_clk_src *clk_src,
180 	struct dc_context *ctx,
181 	struct dc_bios *bios,
182 	enum clock_source_id id,
183 	const struct dce110_clk_src_regs *regs,
184 	const struct dce110_clk_src_shift *cs_shift,
185 	const struct dce110_clk_src_mask *cs_mask);
186 
187 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
188 bool dcn20_clk_src_construct(
189 	struct dce110_clk_src *clk_src,
190 	struct dc_context *ctx,
191 	struct dc_bios *bios,
192 	enum clock_source_id id,
193 	const struct dce110_clk_src_regs *regs,
194 	const struct dce110_clk_src_shift *cs_shift,
195 	const struct dce110_clk_src_mask *cs_mask);
196 #endif
197 
198 #endif
199