Merge tag 'md-fixes-20230914' of https://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.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 enum pixel_rate_div {
60    PIXEL_RATE_DIV_BY_1 = 0,
61    PIXEL_RATE_DIV_BY_2 = 1,
62    PIXEL_RATE_DIV_BY_4 = 3,
63    PIXEL_RATE_DIV_NA = 0xF
64 };
65
66 struct dccg {
67         struct dc_context *ctx;
68         const struct dccg_funcs *funcs;
69         int pipe_dppclk_khz[MAX_PIPES];
70         int ref_dppclk;
71         bool dpp_clock_gated[MAX_PIPES];
72         //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */
73         //int audio_dtbclk_khz;/* TODO needs to be removed */
74         //int ref_dtbclk_khz;/* TODO needs to be removed */
75 };
76
77 struct dtbclk_dto_params {
78         const struct dc_crtc_timing *timing;
79         int otg_inst;
80         int pixclk_khz;
81         int req_audio_dtbclk_khz;
82         int num_odm_segments;
83         int ref_dtbclk_khz;
84         bool is_hdmi;
85 };
86
87 struct dccg_funcs {
88         void (*update_dpp_dto)(struct dccg *dccg,
89                         int dpp_inst,
90                         int req_dppclk);
91         void (*get_dccg_ref_freq)(struct dccg *dccg,
92                         unsigned int xtalin_freq_inKhz,
93                         unsigned int *dccg_ref_freq_inKhz);
94         void (*set_fifo_errdet_ovr_en)(struct dccg *dccg,
95                         bool en);
96         void (*otg_add_pixel)(struct dccg *dccg,
97                         uint32_t otg_inst);
98         void (*otg_drop_pixel)(struct dccg *dccg,
99                         uint32_t otg_inst);
100         void (*dccg_init)(struct dccg *dccg);
101
102         void (*set_dpstreamclk)(
103                         struct dccg *dccg,
104                         enum streamclk_source src,
105                         int otg_inst,
106                         int dp_hpo_inst);
107
108         void (*enable_symclk32_se)(
109                         struct dccg *dccg,
110                         int hpo_se_inst,
111                         enum phyd32clk_clock_source phyd32clk);
112
113         void (*disable_symclk32_se)(
114                         struct dccg *dccg,
115                         int hpo_se_inst);
116
117         void (*enable_symclk32_le)(
118                         struct dccg *dccg,
119                         int hpo_le_inst,
120                         enum phyd32clk_clock_source phyd32clk);
121
122         void (*disable_symclk32_le)(
123                         struct dccg *dccg,
124                         int hpo_le_inst);
125
126         void (*set_symclk32_le_root_clock_gating)(
127                         struct dccg *dccg,
128                         int hpo_le_inst,
129                         bool enable);
130
131         void (*set_physymclk)(
132                         struct dccg *dccg,
133                         int phy_inst,
134                         enum physymclk_clock_source clk_src,
135                         bool force_enable);
136
137         void (*set_dtbclk_dto)(
138                         struct dccg *dccg,
139                         const struct dtbclk_dto_params *params);
140
141         void (*set_audio_dtbclk_dto)(
142                         struct dccg *dccg,
143                         const struct dtbclk_dto_params *params);
144
145         void (*set_dispclk_change_mode)(
146                         struct dccg *dccg,
147                         enum dentist_dispclk_change_mode change_mode);
148
149         void (*disable_dsc)(
150                 struct dccg *dccg,
151                 int inst);
152
153         void (*enable_dsc)(
154                 struct dccg *dccg,
155                 int inst);
156
157         void (*set_pixel_rate_div)(struct dccg *dccg,
158                         uint32_t otg_inst,
159                         enum pixel_rate_div k1,
160                         enum pixel_rate_div k2);
161
162         void (*set_valid_pixel_rate)(
163                         struct dccg *dccg,
164                         int ref_dtbclk_khz,
165                         int otg_inst,
166                         int pixclk_khz);
167
168         void (*trigger_dio_fifo_resync)(
169                         struct dccg *dccg);
170
171         void (*dpp_root_clock_control)(
172                         struct dccg *dccg,
173                         unsigned int dpp_inst,
174                         bool clock_on);
175
176         void (*enable_symclk_se)(
177                         struct dccg *dccg,
178                         uint32_t stream_enc_inst,
179                         uint32_t link_enc_inst);
180
181         void (*disable_symclk_se)(
182                         struct dccg *dccg,
183                         uint32_t stream_enc_inst,
184                         uint32_t link_enc_inst);
185 };
186
187 #endif //__DAL_DCCG_H__