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_DCN1_0)
59 
60 #define CS_COMMON_REG_LIST_DCN1_0(index, pllid) \
61 		SRI(PIXCLK_RESYNC_CNTL, PHYPLL, pllid),\
62 		SRII(PHASE, DP_DTO, 0),\
63 		SRII(PHASE, DP_DTO, 1),\
64 		SRII(PHASE, DP_DTO, 2),\
65 		SRII(PHASE, DP_DTO, 3),\
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(PIXEL_RATE_CNTL, OTG, 0), \
71 		SRII(PIXEL_RATE_CNTL, OTG, 1), \
72 		SRII(PIXEL_RATE_CNTL, OTG, 2), \
73 		SRII(PIXEL_RATE_CNTL, OTG, 3)
74 
75 #define CS_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
76 	CS_SF(DP_DTO0_PHASE, DP_DTO0_PHASE, mask_sh),\
77 	CS_SF(DP_DTO0_MODULO, DP_DTO0_MODULO, mask_sh),\
78 	CS_SF(PHYPLLA_PIXCLK_RESYNC_CNTL, PHYPLLA_DCCG_DEEP_COLOR_CNTL, mask_sh),\
79 	CS_SF(OTG0_PIXEL_RATE_CNTL, DP_DTO0_ENABLE, mask_sh)
80 
81 #endif
82 
83 #define CS_REG_FIELD_LIST(type) \
84 	type PLL_REF_DIV_SRC; \
85 	type DCCG_DEEP_COLOR_CNTL1; \
86 	type PHYPLLA_DCCG_DEEP_COLOR_CNTL; \
87 	type PHYPLLA_PIXCLK_DOUBLE_RATE_ENABLE; \
88 	type PLL_POST_DIV_PIXCLK; \
89 	type PLL_REF_DIV; \
90 	type DP_DTO0_PHASE; \
91 	type DP_DTO0_MODULO; \
92 	type DP_DTO0_ENABLE;
93 
94 struct dce110_clk_src_shift {
95 	CS_REG_FIELD_LIST(uint8_t)
96 };
97 
98 struct dce110_clk_src_mask{
99 	CS_REG_FIELD_LIST(uint32_t)
100 };
101 
102 struct dce110_clk_src_regs {
103 	uint32_t RESYNC_CNTL;
104 	uint32_t PIXCLK_RESYNC_CNTL;
105 	uint32_t PLL_CNTL;
106 
107 	/* below are for DTO.
108 	 * todo: should probably use different struct to not waste space
109 	 */
110 	uint32_t PHASE[MAX_PIPES];
111 	uint32_t MODULO[MAX_PIPES];
112 	uint32_t PIXEL_RATE_CNTL[MAX_PIPES];
113 };
114 
115 struct dce110_clk_src {
116 	struct clock_source base;
117 	const struct dce110_clk_src_regs *regs;
118 	const struct dce110_clk_src_mask *cs_mask;
119 	const struct dce110_clk_src_shift *cs_shift;
120 	struct dc_bios *bios;
121 
122 	struct spread_spectrum_data *dp_ss_params;
123 	uint32_t dp_ss_params_cnt;
124 	struct spread_spectrum_data *hdmi_ss_params;
125 	uint32_t hdmi_ss_params_cnt;
126 	struct spread_spectrum_data *dvi_ss_params;
127 	uint32_t dvi_ss_params_cnt;
128 
129 	uint32_t ext_clk_khz;
130 	uint32_t ref_freq_khz;
131 
132 	struct calc_pll_clock_source calc_pll;
133 	struct calc_pll_clock_source calc_pll_hdmi;
134 };
135 
136 bool dce110_clk_src_construct(
137 	struct dce110_clk_src *clk_src,
138 	struct dc_context *ctx,
139 	struct dc_bios *bios,
140 	enum clock_source_id,
141 	const struct dce110_clk_src_regs *regs,
142 	const struct dce110_clk_src_shift *cs_shift,
143 	const struct dce110_clk_src_mask *cs_mask);
144 
145 #endif
146