xref: /linux/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
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 _DMUB_DC_SRV_H_
27 #define _DMUB_DC_SRV_H_
28 
29 #include "dm_services_types.h"
30 #include "dmub/dmub_srv.h"
31 
32 struct dmub_srv;
33 struct dc;
34 struct pipe_ctx;
35 struct dc_crtc_timing_adjust;
36 struct dc_crtc_timing;
37 struct dc_state;
38 struct dc_surface_update;
39 
40 struct dc_reg_helper_state {
41 	bool gather_in_progress;
42 	uint32_t same_addr_count;
43 	bool should_burst_write;
44 	union dmub_rb_cmd cmd_data;
45 	unsigned int reg_seq_count;
46 };
47 
48 struct dc_dmub_srv {
49 	struct dmub_srv *dmub;
50 	struct dc_reg_helper_state reg_helper_offload;
51 
52 	struct dc_context *ctx;
53 	void *dm;
54 
55 	int32_t idle_exit_counter;
56 	union dmub_shared_state_ips_driver_signals driver_signals;
57 	bool idle_allowed;
58 	bool needs_idle_wake;
59 };
60 
61 void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv);
62 
63 bool dc_dmub_srv_optimized_init_done(struct dc_dmub_srv *dc_dmub_srv);
64 
65 bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv,
66 		unsigned int count,
67 		union dmub_rb_cmd *cmd_list);
68 
69 bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv,
70 		enum dm_dmub_wait_type wait_type,
71 		union dmub_rb_cmd *cmd_list);
72 
73 bool dc_dmub_srv_cmd_run(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type);
74 
75 bool dc_dmub_srv_cmd_run_list(struct dc_dmub_srv *dc_dmub_srv, unsigned int count, union dmub_rb_cmd *cmd_list, enum dm_dmub_wait_type wait_type);
76 
77 bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
78 				   unsigned int stream_mask);
79 
80 bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv);
81 
82 bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry);
83 
84 void dc_dmub_trace_event_control(struct dc *dc, bool enable);
85 
86 void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max);
87 
88 void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst);
89 bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool enable_pstate, struct dc_state *context);
90 
91 void dc_dmub_srv_query_caps_cmd(struct dc_dmub_srv *dc_dmub_srv);
92 void dc_dmub_srv_get_visual_confirm_color_cmd(struct dc *dc, struct pipe_ctx *pipe_ctx);
93 void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dmub_srv);
94 void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dmub_srv);
95 void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv, union dmub_inbox0_data_register data);
96 
97 bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *dmub_oca);
98 
99 void dc_dmub_setup_subvp_dmub_command(struct dc *dc, struct dc_state *context, bool enable);
100 void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv);
101 
102 void dc_send_update_cursor_info_to_dmu(struct pipe_ctx *pCtx, uint8_t pipe_idx);
103 bool dc_dmub_check_min_version(struct dmub_srv *srv);
104 
105 void dc_dmub_srv_enable_dpia_trace(const struct dc *dc);
106 void dc_dmub_srv_subvp_save_surf_addr(const struct dc_dmub_srv *dc_dmub_srv, const struct dc_plane_address *addr, uint8_t subvp_index);
107 
108 bool dc_dmub_srv_is_hw_pwr_up(struct dc_dmub_srv *dc_dmub_srv, bool wait);
109 
110 void dc_dmub_srv_apply_idle_power_optimizations(const struct dc *dc, bool allow_idle);
111 
112 /**
113  * dc_dmub_srv_set_power_state() - Sets the power state for DMUB service.
114  *
115  * Controls whether messaging the DMCUB or interfacing with it via HW register
116  * interaction is permittable.
117  *
118  * @dc_dmub_srv - The DC DMUB service pointer
119  * @power_state - the DC power state
120  */
121 void dc_dmub_srv_set_power_state(struct dc_dmub_srv *dc_dmub_srv, enum dc_acpi_cm_power_state power_state);
122 
123 /**
124  * dc_dmub_srv_notify_fw_dc_power_state() - Notifies firmware of the DC power state.
125  *
126  * Differs from dc_dmub_srv_set_power_state in that it needs to access HW in order
127  * to message DMCUB of the state transition. Should come after the D0 exit and
128  * before D3 set power state.
129  *
130  * @dc_dmub_srv - The DC DMUB service pointer
131  * @power_state - the DC power state
132  */
133 void dc_dmub_srv_notify_fw_dc_power_state(struct dc_dmub_srv *dc_dmub_srv,
134 					  enum dc_acpi_cm_power_state power_state);
135 
136 /**
137  * @dc_dmub_srv_should_detect() - Checks if link detection is required.
138  *
139  * While in idle power states we may need driver to manually redetect in
140  * the case of a missing hotplug. Should be called from a polling timer.
141  *
142  * Return: true if redetection is required.
143  */
144 bool dc_dmub_srv_should_detect(struct dc_dmub_srv *dc_dmub_srv);
145 
146 /**
147  * dc_wake_and_execute_dmub_cmd() - Wrapper for DMUB command execution.
148  *
149  * Refer to dc_wake_and_execute_dmub_cmd_list() for usage and limitations,
150  * This function is a convenience wrapper for a single command execution.
151  *
152  * @ctx: DC context
153  * @cmd: The command to send/receive
154  * @wait_type: The wait behavior for the execution
155  *
156  * Return: true on command submission success, false otherwise
157  */
158 bool dc_wake_and_execute_dmub_cmd(const struct dc_context *ctx, union dmub_rb_cmd *cmd,
159 				  enum dm_dmub_wait_type wait_type);
160 
161 /**
162  * dc_wake_and_execute_dmub_cmd_list() - Wrapper for DMUB command list execution.
163  *
164  * If the DMCUB hardware was asleep then it wakes the DMUB before
165  * executing the command and attempts to re-enter if the command
166  * submission was successful.
167  *
168  * This should be the preferred command submission interface provided
169  * the DC lock is acquired.
170  *
171  * Entry/exit out of idle power optimizations would need to be
172  * manually performed otherwise through dc_allow_idle_optimizations().
173  *
174  * @ctx: DC context
175  * @count: Number of commands to send/receive
176  * @cmd: Array of commands to send
177  * @wait_type: The wait behavior for the execution
178  *
179  * Return: true on command submission success, false otherwise
180  */
181 bool dc_wake_and_execute_dmub_cmd_list(const struct dc_context *ctx, unsigned int count,
182 				       union dmub_rb_cmd *cmd, enum dm_dmub_wait_type wait_type);
183 
184 /**
185  * dc_wake_and_execute_gpint()
186  *
187  * @ctx: DC context
188  * @command_code: The command ID to send to DMCUB
189  * @param: The parameter to message DMCUB
190  * @response: Optional response out value - may be NULL.
191  * @wait_type: The wait behavior for the execution
192  */
193 bool dc_wake_and_execute_gpint(const struct dc_context *ctx, enum dmub_gpint_command command_code,
194 			       uint16_t param, uint32_t *response, enum dm_dmub_wait_type wait_type);
195 
196 void dc_dmub_srv_fams2_update_config(struct dc *dc,
197 		struct dc_state *context,
198 		bool enable);
199 void dc_dmub_srv_fams2_drr_update(struct dc *dc,
200 		uint32_t tg_inst,
201 		uint32_t vtotal_min,
202 		uint32_t vtotal_max,
203 		uint32_t vtotal_mid,
204 		uint32_t vtotal_mid_frame_num,
205 		bool program_manual_trigger);
206 void dc_dmub_srv_fams2_passthrough_flip(
207 		struct dc *dc,
208 		struct dc_state *state,
209 		struct dc_stream_state *stream,
210 		struct dc_surface_update *srf_updates,
211 		int surface_count);
212 
213 /**
214  * struct ips_residency_info - struct containing info from dmub_ips_residency_stats
215  *
216  * @ips_mode: The mode of IPS that the follow stats appertain to
217  * @residency_percent: The percentage of time spent in given IPS mode in millipercent
218  * @entry_counter: The number of entries made in to this IPS state
219  * @total_active_time_us: uint32_t array of length 2 representing time in the given IPS mode
220  *                        in microseconds. Index 0 is lower 32 bits, index 1 is upper 32 bits.
221  * @total_inactive_time_us: uint32_t array of length 2 representing time outside the given IPS mode
222  *                          in microseconds. Index 0 is lower 32 bits, index 1 is upper 32 bits.
223  * @histogram: Histogram of given IPS state durations - bucket definitions in dmub_ips.c
224  */
225 struct ips_residency_info {
226 	enum dmub_ips_mode ips_mode;
227 	unsigned int residency_percent;
228 	unsigned int entry_counter;
229 	unsigned int total_active_time_us[2];
230 	unsigned int total_inactive_time_us[2];
231 	unsigned int histogram[16];
232 };
233 
234 /**
235  * bool dc_dmub_srv_ips_residency_cntl() - Controls IPS residency measurement status
236  *
237  * @dc_dmub_srv: The DC DMUB service pointer
238  * @start_measurement: Describes whether to start or stop measurement
239  *
240  * Return: true if GPINT was sent successfully, false otherwise
241  */
242 bool dc_dmub_srv_ips_residency_cntl(struct dc_dmub_srv *dc_dmub_srv, bool start_measurement);
243 
244 /**
245  * bool dc_dmub_srv_ips_query_residency_info() - Queries DMCUB for residency info
246  *
247  * @dc_dmub_srv: The DC DMUB service pointer
248  * @output: Output struct to copy the the residency info to
249  */
250 void dc_dmub_srv_ips_query_residency_info(struct dc_dmub_srv *dc_dmub_srv, struct ips_residency_info *output);
251 #endif /* _DMUB_DC_SRV_H_ */
252