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_DMCU_H__ |
26 | #define __DC_DMCU_H__ |
27 | |
28 | #include "dm_services_types.h" |
29 | |
30 | /* If HW itself ever powered down it will be 0. |
31 | * fwDmcuInit will write to 1. |
32 | * Driver will only call MCP init if current state is 1, |
33 | * and the MCP command will transition this to 2. |
34 | */ |
35 | enum dmcu_state { |
36 | DMCU_UNLOADED = 0, |
37 | DMCU_LOADED_UNINITIALIZED = 1, |
38 | DMCU_RUNNING = 2, |
39 | }; |
40 | |
41 | struct dmcu_version { |
42 | unsigned int interface_version; |
43 | unsigned int abm_version; |
44 | unsigned int psr_version; |
45 | unsigned int build_version; |
46 | }; |
47 | |
48 | struct dmcu { |
49 | struct dc_context *ctx; |
50 | const struct dmcu_funcs *funcs; |
51 | |
52 | enum dmcu_state dmcu_state; |
53 | struct dmcu_version dmcu_version; |
54 | unsigned int cached_wait_loop_number; |
55 | uint32_t psp_version; |
56 | bool auto_load_dmcu; |
57 | }; |
58 | |
59 | struct dmcu_funcs { |
60 | bool (*dmcu_init)(struct dmcu *dmcu); |
61 | bool (*load_iram)(struct dmcu *dmcu, |
62 | unsigned int start_offset, |
63 | const char *src, |
64 | unsigned int bytes); |
65 | void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait); |
66 | bool (*setup_psr)(struct dmcu *dmcu, |
67 | struct dc_link *link, |
68 | struct psr_context *psr_context); |
69 | void (*get_psr_state)(struct dmcu *dmcu, enum dc_psr_state *dc_psr_state); |
70 | void (*set_psr_wait_loop)(struct dmcu *dmcu, |
71 | unsigned int wait_loop_number); |
72 | void (*get_psr_wait_loop)(struct dmcu *dmcu, |
73 | unsigned int *psr_wait_loop_number); |
74 | bool (*is_dmcu_initialized)(struct dmcu *dmcu); |
75 | bool (*lock_phy)(struct dmcu *dmcu); |
76 | bool (*unlock_phy)(struct dmcu *dmcu); |
77 | bool (*send_edid_cea)(struct dmcu *dmcu, |
78 | int offset, |
79 | int total_length, |
80 | uint8_t *data, |
81 | int length); |
82 | bool (*recv_amd_vsdb)(struct dmcu *dmcu, |
83 | int *version, |
84 | int *min_frame_rate, |
85 | int *max_frame_rate); |
86 | bool (*recv_edid_cea_ack)(struct dmcu *dmcu, int *offset); |
87 | #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY) |
88 | void (*forward_crc_window)(struct dmcu *dmcu, |
89 | struct rect *rect, |
90 | struct otg_phy_mux *mux_mapping); |
91 | void (*stop_crc_win_update)(struct dmcu *dmcu, |
92 | struct otg_phy_mux *mux_mapping); |
93 | #endif |
94 | }; |
95 | |
96 | #endif |
97 | |