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[linux.git] / drivers / gpu / drm / amd / display / dc / inc / hw / dccg.h
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 __DAL_DCCG_H__
27 #define __DAL_DCCG_H__
28
29 #include "dc_types.h"
30 #include "hw_shared.h"
31
32 enum phyd32clk_clock_source {
33         PHYD32CLKA,
34         PHYD32CLKB,
35         PHYD32CLKC,
36         PHYD32CLKD,
37         PHYD32CLKE,
38         PHYD32CLKF,
39         PHYD32CLKG,
40 };
41
42 enum physymclk_clock_source {
43         PHYSYMCLK_FORCE_SRC_SYMCLK,    // Select symclk as source of clock which is output to PHY through DCIO.
44         PHYSYMCLK_FORCE_SRC_PHYD18CLK, // Select phyd18clk as the source of clock which is output to PHY through DCIO.
45         PHYSYMCLK_FORCE_SRC_PHYD32CLK, // Select phyd32clk as the source of clock which is output to PHY through DCIO.
46 };
47
48 enum streamclk_source {
49         REFCLK,                   // Selects REFCLK as source for hdmistreamclk.
50         DTBCLK0,                  // Selects DTBCLK0 as source for hdmistreamclk.
51         DPREFCLK,                 // Selects DPREFCLK as source for hdmistreamclk
52 };
53
54 enum dentist_dispclk_change_mode {
55         DISPCLK_CHANGE_MODE_IMMEDIATE,
56         DISPCLK_CHANGE_MODE_RAMPING,
57 };
58
59 struct dp_dto_params {
60         int otg_inst;
61         enum signal_type signal;
62         long long pixclk_hz;
63         long long refclk_hz;
64 };
65
66 enum pixel_rate_div {
67    PIXEL_RATE_DIV_BY_1 = 0,
68    PIXEL_RATE_DIV_BY_2 = 1,
69    PIXEL_RATE_DIV_BY_4 = 3,
70    PIXEL_RATE_DIV_NA = 0xF
71 };
72
73 struct dccg {
74         struct dc_context *ctx;
75         const struct dccg_funcs *funcs;
76         int pipe_dppclk_khz[MAX_PIPES];
77         int ref_dppclk;
78         bool dpp_clock_gated[MAX_PIPES];
79         //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */
80         //int audio_dtbclk_khz;/* TODO needs to be removed */
81         //int ref_dtbclk_khz;/* TODO needs to be removed */
82 };
83
84 struct dtbclk_dto_params {
85         const struct dc_crtc_timing *timing;
86         int otg_inst;
87         int pixclk_khz;
88         int req_audio_dtbclk_khz;
89         int num_odm_segments;
90         int ref_dtbclk_khz;
91         bool is_hdmi;
92 };
93
94 struct dccg_funcs {
95         void (*update_dpp_dto)(struct dccg *dccg,
96                         int dpp_inst,
97                         int req_dppclk);
98         void (*get_dccg_ref_freq)(struct dccg *dccg,
99                         unsigned int xtalin_freq_inKhz,
100                         unsigned int *dccg_ref_freq_inKhz);
101         void (*set_fifo_errdet_ovr_en)(struct dccg *dccg,
102                         bool en);
103         void (*otg_add_pixel)(struct dccg *dccg,
104                         uint32_t otg_inst);
105         void (*otg_drop_pixel)(struct dccg *dccg,
106                         uint32_t otg_inst);
107         void (*dccg_init)(struct dccg *dccg);
108
109         void (*set_dpstreamclk)(
110                         struct dccg *dccg,
111                         enum streamclk_source src,
112                         int otg_inst,
113                         int dp_hpo_inst);
114
115         void (*enable_symclk32_se)(
116                         struct dccg *dccg,
117                         int hpo_se_inst,
118                         enum phyd32clk_clock_source phyd32clk);
119
120         void (*disable_symclk32_se)(
121                         struct dccg *dccg,
122                         int hpo_se_inst);
123
124         void (*enable_symclk32_le)(
125                         struct dccg *dccg,
126                         int hpo_le_inst,
127                         enum phyd32clk_clock_source phyd32clk);
128
129         void (*disable_symclk32_le)(
130                         struct dccg *dccg,
131                         int hpo_le_inst);
132
133         void (*set_symclk32_le_root_clock_gating)(
134                         struct dccg *dccg,
135                         int hpo_le_inst,
136                         bool enable);
137
138         void (*set_physymclk)(
139                         struct dccg *dccg,
140                         int phy_inst,
141                         enum physymclk_clock_source clk_src,
142                         bool force_enable);
143
144         void (*set_physymclk_root_clock_gating)(
145                         struct dccg *dccg,
146                         int phy_inst,
147                         bool enable);
148
149         void (*set_dtbclk_dto)(
150                         struct dccg *dccg,
151                         const struct dtbclk_dto_params *params);
152
153         void (*set_audio_dtbclk_dto)(
154                         struct dccg *dccg,
155                         const struct dtbclk_dto_params *params);
156
157         void (*set_dispclk_change_mode)(
158                         struct dccg *dccg,
159                         enum dentist_dispclk_change_mode change_mode);
160
161         void (*disable_dsc)(
162                 struct dccg *dccg,
163                 int inst);
164
165         void (*enable_dsc)(
166                 struct dccg *dccg,
167                 int inst);
168
169         void (*set_pixel_rate_div)(struct dccg *dccg,
170                         uint32_t otg_inst,
171                         enum pixel_rate_div k1,
172                         enum pixel_rate_div k2);
173
174         void (*set_valid_pixel_rate)(
175                         struct dccg *dccg,
176                         int ref_dtbclk_khz,
177                         int otg_inst,
178                         int pixclk_khz);
179
180         void (*trigger_dio_fifo_resync)(
181                         struct dccg *dccg);
182
183         void (*dpp_root_clock_control)(
184                         struct dccg *dccg,
185                         unsigned int dpp_inst,
186                         bool clock_on);
187
188         void (*enable_symclk_se)(
189                         struct dccg *dccg,
190                         uint32_t stream_enc_inst,
191                         uint32_t link_enc_inst);
192
193         void (*disable_symclk_se)(
194                         struct dccg *dccg,
195                         uint32_t stream_enc_inst,
196                         uint32_t link_enc_inst);
197         void (*set_dp_dto)(
198                         struct dccg *dccg,
199                         const struct dp_dto_params *params);
200         void (*set_dtbclk_p_src)(
201                         struct dccg *dccg,
202                         enum streamclk_source src,
203                         uint32_t otg_inst);
204 };
205
206 #endif //__DAL_DCCG_H__
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