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/*
* Copyright 2012-14 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef DC_STREAM_H_
#define DC_STREAM_H_
#include "dc_types.h"
#include "grph_object_defs.h"
/*******************************************************************************
* Stream Interfaces
******************************************************************************/
struct dc_stream_status {
int primary_otg_inst;
int stream_enc_inst;
int plane_count;
struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
/*
* link this stream passes through
*/
struct dc_link *link;
};
struct dc_stream_state {
struct dc_sink *sink;
struct dc_crtc_timing timing;
struct rect src; /* composition area */
struct rect dst; /* stream addressable area */
struct audio_info audio_info;
struct freesync_context freesync_ctx;
struct dc_hdr_static_metadata hdr_static_metadata;
struct dc_transfer_func *out_transfer_func;
struct colorspace_transform gamut_remap_matrix;
struct csc_transform csc_color_matrix;
enum dc_color_space output_color_space;
enum dc_dither_option dither_option;
enum view_3d_format view_format;
bool ignore_msa_timing_param;
/* TODO: custom INFO packets */
/* TODO: ABM info (DMCU) */
/* TODO: PSR info */
/* TODO: CEA VIC */
/* from core_stream struct */
struct dc_context *ctx;
/* used by DCP and FMT */
struct bit_depth_reduction_params bit_depth_params;
struct clamping_and_pixel_encoding_params clamping;
int phy_pix_clk;
enum signal_type signal;
bool dpms_off;
struct dc_stream_status status;
struct dc_cursor_attributes cursor_attributes;
/* from stream struct */
struct kref refcount;
struct crtc_trigger_info triggered_crtc_reset;
};
struct dc_stream_update {
struct rect src;
struct rect dst;
struct dc_transfer_func *out_transfer_func;
struct dc_hdr_static_metadata *hdr_static_metadata;
};
bool dc_is_stream_unchanged(
struct dc_stream_state *old_stream, struct dc_stream_state *stream);
bool dc_is_stream_scaling_unchanged(
struct dc_stream_state *old_stream, struct dc_stream_state *stream);
/*
* Set up surface attributes and associate to a stream
* The surfaces parameter is an absolute set of all surface active for the stream.
* If no surfaces are provided, the stream will be blanked; no memory read.
* Any flip related attribute changes must be done through this interface.
*
* After this call:
* Surfaces attributes are programmed and configured to be composed into stream.
* This does not trigger a flip. No surface address is programmed.
*/
bool dc_commit_planes_to_stream(
struct dc *dc,
struct dc_plane_state **plane_states,
uint8_t new_plane_count,
struct dc_stream_state *dc_stream,
struct dc_state *state);
void dc_commit_updates_for_stream(struct dc *dc,
struct dc_surface_update *srf_updates,
int surface_count,
struct dc_stream_state *stream,
struct dc_stream_update *stream_update,
struct dc_plane_state **plane_states,
struct dc_state *state);
/*
* Log the current stream state.
*/
void dc_stream_log(
const struct dc_stream_state *stream,
struct dal_logger *dc_logger,
enum dc_log_type log_type);
uint8_t dc_get_current_stream_count(struct dc *dc);
struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
/*
* Return the current frame counter.
*/
uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
/* TODO: Return parsed values rather than direct register read
* This has a dependency on the caller (amdgpu_get_crtc_scanoutpos)
* being refactored properly to be dce-specific
*/
bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
uint32_t *v_blank_start,
uint32_t *v_blank_end,
uint32_t *h_position,
uint32_t *v_position);
enum dc_status dc_add_stream_to_ctx(
struct dc *dc,
struct dc_state *new_ctx,
struct dc_stream_state *stream);
enum dc_status dc_remove_stream_from_ctx(
struct dc *dc,
struct dc_state *new_ctx,
struct dc_stream_state *stream);
bool dc_add_plane_to_context(
const struct dc *dc,
struct dc_stream_state *stream,
struct dc_plane_state *plane_state,
struct dc_state *context);
bool dc_remove_plane_from_context(
const struct dc *dc,
struct dc_stream_state *stream,
struct dc_plane_state *plane_state,
struct dc_state *context);
bool dc_rem_all_planes_for_stream(
const struct dc *dc,
struct dc_stream_state *stream,
struct dc_state *context);
bool dc_add_all_planes_for_stream(
const struct dc *dc,
struct dc_stream_state *stream,
struct dc_plane_state * const *plane_states,
int plane_count,
struct dc_state *context);
enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
/*
* This function takes a stream and checks if it is guaranteed to be supported.
* Guaranteed means that MAX_COFUNC similar streams are supported.
*
* After this call:
* No hardware is programmed for call. Only validation is done.
*/
/*
* Set up streams and links associated to drive sinks
* The streams parameter is an absolute set of all active streams.
*
* After this call:
* Phy, Encoder, Timing Generator are programmed and enabled.
* New streams are enabled with blank stream; no memory read.
*/
/*
* Enable stereo when commit_streams is not required,
* for example, frame alternate.
*/
bool dc_enable_stereo(
struct dc *dc,
struct dc_state *context,
struct dc_stream_state *streams[],
uint8_t stream_count);
enum surface_update_type dc_check_update_surfaces_for_stream(
struct dc *dc,
struct dc_surface_update *updates,
int surface_count,
struct dc_stream_update *stream_update,
const struct dc_stream_status *stream_status);
/**
* Create a new default stream for the requested sink
*/
struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
void dc_stream_retain(struct dc_stream_state *dc_stream);
void dc_stream_release(struct dc_stream_state *dc_stream);
struct dc_stream_status *dc_stream_get_status(
struct dc_stream_state *dc_stream);
/*******************************************************************************
* Cursor interfaces - To manages the cursor within a stream
******************************************************************************/
/* TODO: Deprecated once we switch to dc_set_cursor_position */
bool dc_stream_set_cursor_attributes(
struct dc_stream_state *stream,
const struct dc_cursor_attributes *attributes);
bool dc_stream_set_cursor_position(
struct dc_stream_state *stream,
const struct dc_cursor_position *position);
bool dc_stream_adjust_vmin_vmax(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
int vmin,
int vmax);
bool dc_stream_get_crtc_position(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
unsigned int *v_pos,
unsigned int *nom_v_pos);
void dc_stream_set_static_screen_events(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
const struct dc_static_screen_events *events);
bool dc_stream_adjust_vmin_vmax(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
int vmin,
int vmax);
bool dc_stream_get_crtc_position(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
unsigned int *v_pos,
unsigned int *nom_v_pos);
void dc_stream_set_static_screen_events(struct dc *dc,
struct dc_stream_state **stream,
int num_streams,
const struct dc_static_screen_events *events);
#endif /* DC_STREAM_H_ */
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