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  #endif /* _DMUB_DC_SRV_H_ */
213