1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
#ifndef __DPU_ENCODER_H__
#define __DPU_ENCODER_H__
#include <drm/drm_crtc.h>
#include "dpu_hw_mdss.h"
#define DPU_ENCODER_FRAME_EVENT_DONE BIT(0)
#define DPU_ENCODER_FRAME_EVENT_ERROR BIT(1)
#define DPU_ENCODER_FRAME_EVENT_PANEL_DEAD BIT(2)
#define DPU_ENCODER_FRAME_EVENT_IDLE BIT(3)
#define IDLE_TIMEOUT (66 - 16/2)
/**
* struct msm_display_info - defines display properties
* @intf_type: DRM_MODE_ENCODER_ type
* @num_of_h_tiles: Number of horizontal tiles in case of split interface
* @h_tile_instance: Controller instance used per tile. Number of elements is
* based on num_of_h_tiles
* @is_cmd_mode Boolean to indicate if the CMD mode is requested
* @is_te_using_watchdog_timer: Boolean to indicate watchdog TE is
* used instead of panel TE in cmd mode panels
* @dsc: DSC configuration data for DSC-enabled displays
*/
struct msm_display_info {
int intf_type;
uint32_t num_of_h_tiles;
uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];
bool is_cmd_mode;
bool is_te_using_watchdog_timer;
struct drm_dsc_config *dsc;
};
/**
* dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to
* @encoder: encoder pointer
* @crtc: crtc pointer
*/
void dpu_encoder_assign_crtc(struct drm_encoder *encoder,
struct drm_crtc *crtc);
/**
* dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if
* the encoder is assigned to the given crtc
* @encoder: encoder pointer
* @crtc: crtc pointer
* @enable: true if vblank should be enabled
*/
void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder,
struct drm_crtc *crtc, bool enable);
/**
* dpu_encoder_register_frame_event_callback - provide callback to encoder that
* will be called after the request is complete, or other events.
* @encoder: encoder pointer
* @cb: callback pointer, provide NULL to deregister
* @data: user data provided to callback
*/
void dpu_encoder_register_frame_event_callback(struct drm_encoder *encoder,
void (*cb)(void *, u32), void *data);
/**
* dpu_encoder_prepare_for_kickoff - schedule double buffer flip of the ctl
* path (i.e. ctl flush and start) at next appropriate time.
* Immediately: if no previous commit is outstanding.
* Delayed: Block until next trigger can be issued.
* @encoder: encoder pointer
*/
void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder);
/**
* dpu_encoder_trigger_kickoff_pending - Clear the flush bits from previous
* kickoff and trigger the ctl prepare progress for command mode display.
* @encoder: encoder pointer
*/
void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *encoder);
/**
* dpu_encoder_kickoff - trigger a double buffer flip of the ctl path
* (i.e. ctl flush and start) immediately.
* @encoder: encoder pointer
*/
void dpu_encoder_kickoff(struct drm_encoder *encoder);
/**
* dpu_encoder_wakeup_time - get the time of the next vsync
*/
int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time);
/**
* dpu_encoder_wait_for_event - Waits for encoder events
* @encoder: encoder pointer
* @event: event to wait for
* MSM_ENC_COMMIT_DONE - Wait for hardware to have flushed the current pending
* frames to hardware at a vblank or ctl_start
* Encoders will map this differently depending on the
* panel type.
* vid mode -> vsync_irq
* cmd mode -> ctl_start
* MSM_ENC_TX_COMPLETE - Wait for the hardware to transfer all the pixels to
* the panel. Encoders will map this differently
* depending on the panel type.
* vid mode -> vsync_irq
* cmd mode -> pp_done
* Returns: 0 on success, -EWOULDBLOCK if already signaled, error otherwise
*/
int dpu_encoder_wait_for_event(struct drm_encoder *drm_encoder,
enum msm_event_wait event);
/*
* dpu_encoder_get_intf_mode - get interface mode of the given encoder
* @encoder: Pointer to drm encoder object
*/
enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder);
/**
* dpu_encoder_virt_runtime_resume - pm runtime resume the encoder configs
* @encoder: encoder pointer
*/
void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
/**
* dpu_encoder_init - initialize virtual encoder object
* @dev: Pointer to drm device structure
* @disp_info: Pointer to display information structure
* Returns: Pointer to newly created drm encoder
*/
struct drm_encoder *dpu_encoder_init(
struct drm_device *dev,
int drm_enc_mode);
/**
* dpu_encoder_setup - setup dpu_encoder for the display probed
* @dev: Pointer to drm device structure
* @enc: Pointer to the drm_encoder
* @disp_info: Pointer to the display info
*/
int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
struct msm_display_info *disp_info);
/**
* dpu_encoder_prepare_commit - prepare encoder at the very beginning of an
* atomic commit, before any registers are written
* @drm_enc: Pointer to previously created drm encoder structure
*/
void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc);
/**
* dpu_encoder_set_idle_timeout - set the idle timeout for video
* and command mode encoders.
* @drm_enc: Pointer to previously created drm encoder structure
* @idle_timeout: idle timeout duration in milliseconds
*/
void dpu_encoder_set_idle_timeout(struct drm_encoder *drm_enc,
u32 idle_timeout);
/**
* dpu_encoder_get_linecount - get interface line count for the encoder.
* @drm_enc: Pointer to previously created drm encoder structure
*/
int dpu_encoder_get_linecount(struct drm_encoder *drm_enc);
/**
* dpu_encoder_get_vsync_count - get vsync count for the encoder.
* @drm_enc: Pointer to previously created drm encoder structure
*/
int dpu_encoder_get_vsync_count(struct drm_encoder *drm_enc);
bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc);
/**
* dpu_encoder_get_crc_values_cnt - get number of physical encoders contained
* in virtual encoder that can collect CRC values
* @drm_enc: Pointer to previously created drm encoder structure
* Returns: Number of physical encoders for given drm encoder
*/
int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc);
/**
* dpu_encoder_setup_misr - enable misr calculations
* @drm_enc: Pointer to previously created drm encoder structure
*/
void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder);
/**
* dpu_encoder_get_crc - get the crc value from interface blocks
* @drm_enc: Pointer to previously created drm encoder structure
* Returns: 0 on success, error otherwise
*/
int dpu_encoder_get_crc(const struct drm_encoder *drm_enc, u32 *crcs, int pos);
/**
* dpu_encoder_use_dsc_merge - returns true if the encoder uses DSC merge topology.
* @drm_enc: Pointer to previously created drm encoder structure
*/
bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc);
/**
* dpu_encoder_prepare_wb_job - prepare writeback job for the encoder.
* @drm_enc: Pointer to previously created drm encoder structure
* @job: Pointer to the current drm writeback job
*/
void dpu_encoder_prepare_wb_job(struct drm_encoder *drm_enc,
struct drm_writeback_job *job);
/**
* dpu_encoder_cleanup_wb_job - cleanup writeback job for the encoder.
* @drm_enc: Pointer to previously created drm encoder structure
* @job: Pointer to the current drm writeback job
*/
void dpu_encoder_cleanup_wb_job(struct drm_encoder *drm_enc,
struct drm_writeback_job *job);
/**
* dpu_encoder_is_valid_for_commit - check if encode has valid parameters for commit.
* @drm_enc: Pointer to drm encoder structure
*/
bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc);
#endif /* __DPU_ENCODER_H__ */
|
