344 خطوط
12 KiB
C
344 خطوط
12 KiB
C
/*
|
|
* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
|
|
* Copyright (C) 2013 Red Hat
|
|
* Author: Rob Clark <robdclark@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __SDE_ENCODER_H__
|
|
#define __SDE_ENCODER_H__
|
|
|
|
#include <drm/drm_crtc.h>
|
|
|
|
#include "msm_prop.h"
|
|
#include "sde_hw_mdss.h"
|
|
#include "sde_kms.h"
|
|
|
|
#define MAX_CHANNELS_PER_ENC 2
|
|
|
|
#define SDE_ENCODER_FRAME_EVENT_DONE BIT(0)
|
|
#define SDE_ENCODER_FRAME_EVENT_ERROR BIT(1)
|
|
#define SDE_ENCODER_FRAME_EVENT_PANEL_DEAD BIT(2)
|
|
#define SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE BIT(3)
|
|
#define SDE_ENCODER_FRAME_EVENT_SIGNAL_RETIRE_FENCE BIT(4)
|
|
|
|
#define IDLE_POWERCOLLAPSE_DURATION (66 - 16/2)
|
|
#define IDLE_POWERCOLLAPSE_IN_EARLY_WAKEUP (200 - 16/2)
|
|
|
|
/**
|
|
* Encoder functions and data types
|
|
* @intfs: Interfaces this encoder is using, INTF_MODE_NONE if unused
|
|
* @wbs: Writebacks this encoder is using, INTF_MODE_NONE if unused
|
|
* @needs_cdm: Encoder requests a CDM based on pixel format conversion needs
|
|
* @display_num_of_h_tiles: Number of horizontal tiles in case of split
|
|
* interface
|
|
* @display_type: Type of the display
|
|
* @topology: Topology of the display
|
|
*/
|
|
struct sde_encoder_hw_resources {
|
|
enum sde_intf_mode intfs[INTF_MAX];
|
|
enum sde_intf_mode wbs[WB_MAX];
|
|
bool needs_cdm;
|
|
u32 display_num_of_h_tiles;
|
|
bool display_type;
|
|
struct msm_display_topology topology;
|
|
};
|
|
|
|
/**
|
|
* sde_encoder_kickoff_params - info encoder requires at kickoff
|
|
* @affected_displays: bitmask, bit set means the ROI of the commit lies within
|
|
* the bounds of the physical display at the bit index
|
|
* @recovery_events_enabled: indicates status of client for recoovery events
|
|
* @frame_trigger_mode: indicates frame trigger mode
|
|
*/
|
|
struct sde_encoder_kickoff_params {
|
|
unsigned long affected_displays;
|
|
bool recovery_events_enabled;
|
|
enum frame_trigger_mode_type frame_trigger_mode;
|
|
};
|
|
|
|
/**
|
|
* struct sde_encoder_ops - callback functions for generic sde encoder
|
|
* Individual callbacks documented below.
|
|
*/
|
|
struct sde_encoder_ops {
|
|
/**
|
|
* phys_init - phys initialization function
|
|
* @type: controller type
|
|
* @controller_id: controller id
|
|
* @phys_init_params: Pointer of structure sde_enc_phys_init_params
|
|
* Returns: Pointer of sde_encoder_phys, NULL if failed
|
|
*/
|
|
void *(*phys_init)(enum sde_intf_type type,
|
|
u32 controller_id, void *phys_init_params);
|
|
};
|
|
|
|
/**
|
|
* sde_encoder_get_hw_resources - Populate table of required hardware resources
|
|
* @encoder: encoder pointer
|
|
* @hw_res: resource table to populate with encoder required resources
|
|
* @conn_state: report hw reqs based on this proposed connector state
|
|
*/
|
|
void sde_encoder_get_hw_resources(struct drm_encoder *encoder,
|
|
struct sde_encoder_hw_resources *hw_res,
|
|
struct drm_connector_state *conn_state);
|
|
|
|
/**
|
|
* sde_encoder_register_vblank_callback - provide callback to encoder that
|
|
* will be called on the next vblank.
|
|
* @encoder: encoder pointer
|
|
* @cb: callback pointer, provide NULL to deregister and disable IRQs
|
|
* @data: user data provided to callback
|
|
*/
|
|
void sde_encoder_register_vblank_callback(struct drm_encoder *encoder,
|
|
void (*cb)(void *), void *data);
|
|
|
|
/**
|
|
* sde_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
|
|
* @crtc: pointer to drm_crtc object interested in frame events
|
|
*/
|
|
void sde_encoder_register_frame_event_callback(struct drm_encoder *encoder,
|
|
void (*cb)(void *, u32), struct drm_crtc *crtc);
|
|
|
|
/**
|
|
* sde_encoder_get_rsc_client - gets the rsc client state for primary
|
|
* for primary display.
|
|
* @encoder: encoder pointer
|
|
*/
|
|
struct sde_rsc_client *sde_encoder_get_rsc_client(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_encoder_poll_line_counts - poll encoder line counts for start of frame
|
|
* @encoder: encoder pointer
|
|
* @Returns: zero on success
|
|
*/
|
|
int sde_encoder_poll_line_counts(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_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
|
|
* @params: kickoff time parameters
|
|
* @Returns: Zero on success, last detected error otherwise
|
|
*/
|
|
int sde_encoder_prepare_for_kickoff(struct drm_encoder *encoder,
|
|
struct sde_encoder_kickoff_params *params);
|
|
|
|
/**
|
|
* sde_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 sde_encoder_trigger_kickoff_pending(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_encoder_kickoff - trigger a double buffer flip of the ctl path
|
|
* (i.e. ctl flush and start) immediately.
|
|
* @encoder: encoder pointer
|
|
* @is_error: whether the current commit needs to be aborted and replaced
|
|
* with a 'safe' commit
|
|
*/
|
|
void sde_encoder_kickoff(struct drm_encoder *encoder, bool is_error);
|
|
|
|
/**
|
|
* sde_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 wr_ptr_start
|
|
* Encoders will map this differently depending on the
|
|
* panel type.
|
|
* vid mode -> vsync_irq
|
|
* cmd mode -> wr_ptr_start_irq
|
|
* 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 sde_encoder_wait_for_event(struct drm_encoder *drm_encoder,
|
|
enum msm_event_wait event);
|
|
|
|
/**
|
|
* sde_encoder_idle_request - request for idle request to avoid 4 vsync cycle
|
|
* to turn off the clocks.
|
|
* @encoder: encoder pointer
|
|
* Returns: 0 on success, errorcode otherwise
|
|
*/
|
|
int sde_encoder_idle_request(struct drm_encoder *drm_enc);
|
|
|
|
/*
|
|
* sde_encoder_get_fps - get interface frame rate of the given encoder
|
|
* @encoder: Pointer to drm encoder object
|
|
*/
|
|
u32 sde_encoder_get_fps(struct drm_encoder *encoder);
|
|
|
|
/*
|
|
* sde_encoder_get_intf_mode - get interface mode of the given encoder
|
|
* @encoder: Pointer to drm encoder object
|
|
*/
|
|
enum sde_intf_mode sde_encoder_get_intf_mode(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_encoder_control_te - control enabling/disabling VSYNC_IN_EN
|
|
* @encoder: encoder pointer
|
|
* @enable: boolean to indicate enable/disable
|
|
*/
|
|
void sde_encoder_control_te(struct drm_encoder *encoder, bool enable);
|
|
|
|
/**
|
|
* sde_encoder_virt_restore - restore the encoder configs
|
|
* @encoder: encoder pointer
|
|
*/
|
|
void sde_encoder_virt_restore(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_encoder_is_dsc_merge - check if encoder is in DSC merge mode
|
|
* @drm_enc: Pointer to drm encoder object
|
|
* @Return: true if encoder is in DSC merge mode
|
|
*/
|
|
bool sde_encoder_is_dsc_merge(struct drm_encoder *drm_enc);
|
|
|
|
/**
|
|
* sde_encoder_check_curr_mode - check if given mode is supported or not
|
|
* @drm_enc: Pointer to drm encoder object
|
|
* @mode: Mode to be checked
|
|
* @Return: true if it is cmd mode
|
|
*/
|
|
bool sde_encoder_check_curr_mode(struct drm_encoder *drm_enc, u32 mode);
|
|
|
|
/**
|
|
* sde_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 *sde_encoder_init(
|
|
struct drm_device *dev,
|
|
struct msm_display_info *disp_info);
|
|
|
|
/**
|
|
* sde_encoder_init_with_ops - initialize virtual encoder object with init ops
|
|
* @dev: Pointer to drm device structure
|
|
* @disp_info: Pointer to display information structure
|
|
* @ops: Pointer to encoder ops structure
|
|
* Returns: Pointer to newly created drm encoder
|
|
*/
|
|
struct drm_encoder *sde_encoder_init_with_ops(
|
|
struct drm_device *dev,
|
|
struct msm_display_info *disp_info,
|
|
const struct sde_encoder_ops *ops);
|
|
|
|
/**
|
|
* sde_encoder_destroy - destroy previously initialized virtual encoder
|
|
* @drm_enc: Pointer to previously created drm encoder structure
|
|
*/
|
|
void sde_encoder_destroy(struct drm_encoder *drm_enc);
|
|
|
|
/**
|
|
* sde_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 sde_encoder_prepare_commit(struct drm_encoder *drm_enc);
|
|
|
|
/**
|
|
* sde_encoder_update_caps_for_cont_splash - update encoder settings during
|
|
* device bootup when cont_splash is enabled
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @splash_display: Pointer to sde_splash_display corresponding to this encoder
|
|
* @enable: boolean indicates enable or displae state of splash
|
|
* @Return: true if successful in updating the encoder structure
|
|
*/
|
|
int sde_encoder_update_caps_for_cont_splash(struct drm_encoder *encoder,
|
|
struct sde_splash_display *splash_display, bool enable);
|
|
|
|
/**
|
|
* sde_encoder_display_failure_notification - update sde encoder state for
|
|
* esd timeout or other display failure notification. This event flows from
|
|
* dsi, sde_connector to sde_encoder.
|
|
*
|
|
* This api must not be called from crtc_commit (display) thread because it
|
|
* requests the flush work on same thread. It is called from esd check thread
|
|
* based on current design.
|
|
*
|
|
* TODO: manage the event at sde_kms level for forward processing.
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @skip_pre_kickoff: Caller can avoid pre_kickoff if it is triggering this
|
|
* event only to switch the panel TE to watchdog mode.
|
|
* @Return: true if successful in updating the encoder structure
|
|
*/
|
|
int sde_encoder_display_failure_notification(struct drm_encoder *enc,
|
|
bool skip_pre_kickoff);
|
|
|
|
/**
|
|
* sde_encoder_recovery_events_enabled - checks if client has enabled
|
|
* sw recovery mechanism for this connector
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @Return: true if enabled
|
|
*/
|
|
bool sde_encoder_recovery_events_enabled(struct drm_encoder *encoder);
|
|
|
|
/**
|
|
* sde_encoder_recovery_events_handler - handler to enable/disable the
|
|
* sw recovery for this connector
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
*/
|
|
void sde_encoder_recovery_events_handler(struct drm_encoder *encoder,
|
|
bool val);
|
|
/**
|
|
* sde_encoder_in_clone_mode - checks if underlying phys encoder is in clone
|
|
* mode or independent display mode. ref@ WB in Concurrent writeback mode.
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @Return: true if successful in updating the encoder structure
|
|
*/
|
|
bool sde_encoder_in_clone_mode(struct drm_encoder *enc);
|
|
|
|
/**
|
|
* sde_encoder_is_primary_display - checks if underlying display is primary
|
|
* display or not.
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @Return: true if it is primary display. false if secondary display
|
|
*/
|
|
bool sde_encoder_is_primary_display(struct drm_encoder *enc);
|
|
|
|
/**
|
|
* sde_encoder_control_idle_pc - control enable/disable of idle power collapse
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @enable: enable/disable flag
|
|
*/
|
|
void sde_encoder_control_idle_pc(struct drm_encoder *enc, bool enable);
|
|
|
|
/**
|
|
* sde_encoder_in_cont_splash - checks if display is in continuous splash
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @Return: true if display in continuous splash
|
|
*/
|
|
int sde_encoder_in_cont_splash(struct drm_encoder *enc);
|
|
|
|
/**
|
|
* sde_encoder_uidle_enable - control enable/disable of uidle
|
|
* @drm_enc: Pointer to drm encoder structure
|
|
* @enable: enable/disable flag
|
|
*/
|
|
void sde_encoder_uidle_enable(struct drm_encoder *drm_enc, bool enable);
|
|
|
|
#endif /* __SDE_ENCODER_H__ */
|