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 #define CS_COMMON_REG_LIST_DCN2_0(index, pllid) \
59 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
60 		SRII(PHASE, DP_DTO, 0),\
61 		SRII(PHASE, DP_DTO, 1),\
62 		SRII(PHASE, DP_DTO, 2),\
63 		SRII(PHASE, DP_DTO, 3),\
64 		SRII(PHASE, DP_DTO, 4),\
65 		SRII(PHASE, DP_DTO, 5),\
66 		SRII(MODULO, DP_DTO, 0),\
67 		SRII(MODULO, DP_DTO, 1),\
68 		SRII(MODULO, DP_DTO, 2),\
69 		SRII(MODULO, DP_DTO, 3),\
70 		SRII(MODULO, DP_DTO, 4),\
71 		SRII(MODULO, DP_DTO, 5),\
72 		SRII(PIXEL_RATE_CNTL, OTG, 0),\
73 		SRII(PIXEL_RATE_CNTL, OTG, 1),\
74 		SRII(PIXEL_RATE_CNTL, OTG, 2),\
75 		SRII(PIXEL_RATE_CNTL, OTG, 3),\
76 		SRII(PIXEL_RATE_CNTL, OTG, 4),\
77 		SRII(PIXEL_RATE_CNTL, OTG, 5)
78 
79 #define CS_COMMON_REG_LIST_DCN2_1(index, pllid) \
80 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
81 		SRII(PHASE, DP_DTO, 0),\
82 		SRII(PHASE, DP_DTO, 1),\
83 		SRII(PHASE, DP_DTO, 2),\
84 		SRII(PHASE, DP_DTO, 3),\
85 		SRII(MODULO, DP_DTO, 0),\
86 		SRII(MODULO, DP_DTO, 1),\
87 		SRII(MODULO, DP_DTO, 2),\
88 		SRII(MODULO, DP_DTO, 3),\
89 		SRII(PIXEL_RATE_CNTL, OTG, 0),\
90 		SRII(PIXEL_RATE_CNTL, OTG, 1),\
91 		SRII(PIXEL_RATE_CNTL, OTG, 2),\
92 		SRII(PIXEL_RATE_CNTL, OTG, 3)
93 
94 #define CS_COMMON_MASK_SH_LIST_DCN2_0(mask_sh)\
95 	CS_SF(DP_DTO0_PHASE, DP_DTO0_PHASE, mask_sh),\
96 	CS_SF(DP_DTO0_MODULO, DP_DTO0_MODULO, mask_sh),\
97 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
98 	CS_SF(OTG0_PIXEL_RATE_CNTL, DP_DTO0_ENABLE, mask_sh)
99 
100 #if defined(CONFIG_DRM_AMD_DC_DCN)
101 
102 #define CS_COMMON_REG_LIST_DCN1_0(index, pllid) \
103 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
104 		SRII(PHASE, DP_DTO, 0),\
105 		SRII(PHASE, DP_DTO, 1),\
106 		SRII(PHASE, DP_DTO, 2),\
107 		SRII(PHASE, DP_DTO, 3),\
108 		SRII(MODULO, DP_DTO, 0),\
109 		SRII(MODULO, DP_DTO, 1),\
110 		SRII(MODULO, DP_DTO, 2),\
111 		SRII(MODULO, DP_DTO, 3),\
112 		SRII(PIXEL_RATE_CNTL, OTG, 0), \
113 		SRII(PIXEL_RATE_CNTL, OTG, 1), \
114 		SRII(PIXEL_RATE_CNTL, OTG, 2), \
115 		SRII(PIXEL_RATE_CNTL, OTG, 3)
116 
117 #define CS_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
118 	CS_SF(DP_DTO0_PHASE, DP_DTO0_PHASE, mask_sh),\
119 	CS_SF(DP_DTO0_MODULO, DP_DTO0_MODULO, mask_sh),\
120 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
121 	CS_SF(OTG0_PIXEL_RATE_CNTL, DP_DTO0_ENABLE, mask_sh)
122 
123 #endif
124 
125 #define CS_REG_FIELD_LIST(type) \
126 	type PLL_REF_DIV_SRC; \
127 	type DCCG_DEEP_COLOR_CNTL1; \
128 	type PHYPLLA_DCCG_DEEP_COLOR_CNTL; \
129 	type PHYPLLA_PIXCLK_DOUBLE_RATE_ENABLE; \
130 	type PLL_POST_DIV_PIXCLK; \
131 	type PLL_REF_DIV; \
132 	type DP_DTO0_PHASE; \
133 	type DP_DTO0_MODULO; \
134 	type DP_DTO0_ENABLE;
135 
136 struct dce110_clk_src_shift {
137 	CS_REG_FIELD_LIST(uint8_t)
138 };
139 
140 struct dce110_clk_src_mask{
141 	CS_REG_FIELD_LIST(uint32_t)
142 };
143 
144 struct dce110_clk_src_regs {
145 	uint32_t RESYNC_CNTL;
146 	uint32_t PIXCLK_RESYNC_CNTL;
147 	uint32_t PLL_CNTL;
148 
149 	/* below are for DTO.
150 	 * todo: should probably use different struct to not waste space
151 	 */
152 	uint32_t PHASE[MAX_PIPES];
153 	uint32_t MODULO[MAX_PIPES];
154 	uint32_t PIXEL_RATE_CNTL[MAX_PIPES];
155 };
156 
157 struct dce110_clk_src {
158 	struct clock_source base;
159 	const struct dce110_clk_src_regs *regs;
160 	const struct dce110_clk_src_mask *cs_mask;
161 	const struct dce110_clk_src_shift *cs_shift;
162 	struct dc_bios *bios;
163 
164 	struct spread_spectrum_data *dp_ss_params;
165 	uint32_t dp_ss_params_cnt;
166 	struct spread_spectrum_data *hdmi_ss_params;
167 	uint32_t hdmi_ss_params_cnt;
168 	struct spread_spectrum_data *dvi_ss_params;
169 	uint32_t dvi_ss_params_cnt;
170 	struct spread_spectrum_data *lvds_ss_params;
171 	uint32_t lvds_ss_params_cnt;
172 
173 	uint32_t ext_clk_khz;
174 	uint32_t ref_freq_khz;
175 
176 	struct calc_pll_clock_source calc_pll;
177 	struct calc_pll_clock_source calc_pll_hdmi;
178 };
179 
180 bool dce110_clk_src_construct(
181 	struct dce110_clk_src *clk_src,
182 	struct dc_context *ctx,
183 	struct dc_bios *bios,
184 	enum clock_source_id,
185 	const struct dce110_clk_src_regs *regs,
186 	const struct dce110_clk_src_shift *cs_shift,
187 	const struct dce110_clk_src_mask *cs_mask);
188 
189 bool dce112_clk_src_construct(
190 	struct dce110_clk_src *clk_src,
191 	struct dc_context *ctx,
192 	struct dc_bios *bios,
193 	enum clock_source_id id,
194 	const struct dce110_clk_src_regs *regs,
195 	const struct dce110_clk_src_shift *cs_shift,
196 	const struct dce110_clk_src_mask *cs_mask);
197 
198 bool dcn20_clk_src_construct(
199 	struct dce110_clk_src *clk_src,
200 	struct dc_context *ctx,
201 	struct dc_bios *bios,
202 	enum clock_source_id id,
203 	const struct dce110_clk_src_regs *regs,
204 	const struct dce110_clk_src_shift *cs_shift,
205 	const struct dce110_clk_src_mask *cs_mask);
206 
207 #endif
208