]> Git Repo - linux.git/blob - drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
Merge tag 'linux-watchdog-6.14-rc1' of git://www.linux-watchdog.org/linux-watchdog
[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         enum streamclk_source clk_src;
63         uint64_t pixclk_hz;
64         uint64_t refclk_hz;
65 };
66
67 enum pixel_rate_div {
68    PIXEL_RATE_DIV_BY_1 = 0,
69    PIXEL_RATE_DIV_BY_2 = 1,
70    PIXEL_RATE_DIV_BY_4 = 3,
71    PIXEL_RATE_DIV_NA = 0xF
72 };
73
74 struct dccg {
75         struct dc_context *ctx;
76         const struct dccg_funcs *funcs;
77         int pipe_dppclk_khz[MAX_PIPES];
78         int ref_dppclk;
79         bool dpp_clock_gated[MAX_PIPES];
80         //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */
81         //int audio_dtbclk_khz;/* TODO needs to be removed */
82         //int ref_dtbclk_khz;/* TODO needs to be removed */
83 };
84
85 struct dtbclk_dto_params {
86         const struct dc_crtc_timing *timing;
87         int otg_inst;
88         int pixclk_khz;
89         int req_audio_dtbclk_khz;
90         int num_odm_segments;
91         int ref_dtbclk_khz;
92         bool is_hdmi;
93 };
94
95 struct dccg_funcs {
96         void (*update_dpp_dto)(struct dccg *dccg,
97                         int dpp_inst,
98                         int req_dppclk);
99         void (*get_dccg_ref_freq)(struct dccg *dccg,
100                         unsigned int xtalin_freq_inKhz,
101                         unsigned int *dccg_ref_freq_inKhz);
102         void (*set_fifo_errdet_ovr_en)(struct dccg *dccg,
103                         bool en);
104         void (*otg_add_pixel)(struct dccg *dccg,
105                         uint32_t otg_inst);
106         void (*otg_drop_pixel)(struct dccg *dccg,
107                         uint32_t otg_inst);
108         void (*dccg_init)(struct dccg *dccg);
109         void (*set_dpstreamclk_root_clock_gating)(
110                         struct dccg *dccg,
111                         int dp_hpo_inst,
112                         bool enable);
113
114         void (*set_dpstreamclk)(
115                         struct dccg *dccg,
116                         enum streamclk_source src,
117                         int otg_inst,
118                         int dp_hpo_inst);
119
120         void (*enable_symclk32_se)(
121                         struct dccg *dccg,
122                         int hpo_se_inst,
123                         enum phyd32clk_clock_source phyd32clk);
124
125         void (*disable_symclk32_se)(
126                         struct dccg *dccg,
127                         int hpo_se_inst);
128
129         void (*enable_symclk32_le)(
130                         struct dccg *dccg,
131                         int hpo_le_inst,
132                         enum phyd32clk_clock_source phyd32clk);
133
134         void (*disable_symclk32_le)(
135                         struct dccg *dccg,
136                         int hpo_le_inst);
137
138         void (*set_symclk32_le_root_clock_gating)(
139                         struct dccg *dccg,
140                         int hpo_le_inst,
141                         bool enable);
142
143         void (*set_physymclk)(
144                         struct dccg *dccg,
145                         int phy_inst,
146                         enum physymclk_clock_source clk_src,
147                         bool force_enable);
148
149         void (*set_physymclk_root_clock_gating)(
150                         struct dccg *dccg,
151                         int phy_inst,
152                         bool enable);
153
154         void (*set_dtbclk_dto)(
155                         struct dccg *dccg,
156                         const struct dtbclk_dto_params *params);
157
158         void (*set_audio_dtbclk_dto)(
159                         struct dccg *dccg,
160                         const struct dtbclk_dto_params *params);
161
162         void (*set_dispclk_change_mode)(
163                         struct dccg *dccg,
164                         enum dentist_dispclk_change_mode change_mode);
165
166         void (*disable_dsc)(
167                 struct dccg *dccg,
168                 int inst);
169
170         void (*enable_dsc)(
171                 struct dccg *dccg,
172                 int inst);
173
174         void (*set_pixel_rate_div)(struct dccg *dccg,
175                         uint32_t otg_inst,
176                         enum pixel_rate_div k1,
177                         enum pixel_rate_div k2);
178
179         void (*get_pixel_rate_div)(struct dccg *dccg,
180                         uint32_t otg_inst,
181                         uint32_t *div_factor1,
182                         uint32_t *div_factor2);
183
184         void (*set_valid_pixel_rate)(
185                         struct dccg *dccg,
186                         int ref_dtbclk_khz,
187                         int otg_inst,
188                         int pixclk_khz);
189
190         void (*trigger_dio_fifo_resync)(
191                         struct dccg *dccg);
192
193         void (*dpp_root_clock_control)(
194                         struct dccg *dccg,
195                         unsigned int dpp_inst,
196                         bool clock_on);
197
198         void (*enable_symclk_se)(
199                         struct dccg *dccg,
200                         uint32_t stream_enc_inst,
201                         uint32_t link_enc_inst);
202
203         void (*disable_symclk_se)(
204                         struct dccg *dccg,
205                         uint32_t stream_enc_inst,
206                         uint32_t link_enc_inst);
207         void (*set_dp_dto)(
208                         struct dccg *dccg,
209                         const struct dp_dto_params *params);
210         void (*set_dtbclk_p_src)(
211                         struct dccg *dccg,
212                         enum streamclk_source src,
213                         uint32_t otg_inst);
214         void (*set_dto_dscclk)(struct dccg *dccg, uint32_t dsc_inst);
215         void (*set_ref_dscclk)(struct dccg *dccg, uint32_t dsc_inst);
216         void (*dccg_root_gate_disable_control)(struct dccg *dccg, uint32_t pipe_idx, uint32_t disable_clock_gating);
217 };
218
219 #endif //__DAL_DCCG_H__
This page took 0.04299 seconds and 4 git commands to generate.