drivers/gpu/drm/amd/display/dc/dc_stream.h

/*
 * 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 timing_sync_info {
	int group_id;
	int group_size;
	bool master;
};

struct mall_stream_config {
	/* MALL stream config to indicate if the stream is phantom or not.
	 * We will use a phantom stream to indicate that the pipe is phantom.
	 */
	enum mall_stream_type type;
	struct dc_stream_state *paired_stream;	// master / slave stream
	bool subvp_limit_cursor_size; /* stream has/is using subvp limiting hw cursor support */
	bool cursor_size_limit_subvp; /* stream is using hw cursor config preventing subvp */
};

struct dc_stream_status {
	int primary_otg_inst;
	int stream_enc_inst;

	/**
	 * @plane_count: Total of planes attached to a single stream
	 */
	int plane_count;
	int audio_inst;
	struct timing_sync_info timing_sync_info;
	struct dc_plane_state *plane_states[MAX_SURFACES];
	bool is_abm_supported;
	struct mall_stream_config mall_stream_config;
	bool fpo_in_use;
};


struct dc_writeback_info {
	bool wb_enabled;
	int dwb_pipe_inst;
	struct dc_dwb_params dwb_params;
	struct mcif_buf_params mcif_buf_params;
	struct mcif_warmup_params mcif_warmup_params;
	/* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
	struct dc_plane_state *writeback_source_plane;
	/* source MPCC instance.  for use by internally by dc */
	int mpcc_inst;
};

struct dc_writeback_update {
	unsigned int num_wb_info;
	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
};

enum vertical_interrupt_ref_point {
	START_V_UPDATE = 0,
	START_V_SYNC,
	INVALID_POINT

	//For now, only v_update interrupt is used.
	//START_V_BLANK,
	//START_V_ACTIVE
};

struct periodic_interrupt_config {
	enum vertical_interrupt_ref_point ref_point;
	int lines_offset;
};

struct dc_mst_stream_bw_update {
	bool is_increase; // is bandwidth reduced or increased
	uint32_t mst_stream_bw; // new mst bandwidth in kbps
};

union stream_update_flags {
	struct {
		uint32_t scaling:1;
		uint32_t out_tf:1;
		uint32_t out_csc:1;
		uint32_t abm_level:1;
		uint32_t dpms_off:1;
		uint32_t gamut_remap:1;
		uint32_t wb_update:1;
		uint32_t dsc_changed : 1;
		uint32_t mst_bw : 1;
		uint32_t crtc_timing_adjust : 1;
		uint32_t fams_changed : 1;
		uint32_t scaler_sharpener : 1;
		uint32_t sharpening_required : 1;
		uint32_t cursor_attr : 1;
		uint32_t cursor_pos : 1;
		uint32_t periodic_interrupt : 1;
		uint32_t info_frame : 1;
		uint32_t dmdata : 1;
		uint32_t dither : 1;
	} bits;

	uint32_t raw;
};

static inline void stream_update_flags_clear(union stream_update_flags *flags)
{
	flags->raw = 0;
}

static inline void stream_update_flags_set_full(union stream_update_flags *flags)
{
	stream_update_flags_clear(flags);
	flags->bits.scaling = 1;
	flags->bits.out_tf = 1;
	flags->bits.out_csc = 1;
	flags->bits.abm_level = 1;
	flags->bits.dpms_off = 1;
	flags->bits.gamut_remap = 1;
	flags->bits.wb_update = 1;
	flags->bits.dsc_changed = 1;
	flags->bits.mst_bw = 1;
	flags->bits.crtc_timing_adjust = 1;
	flags->bits.fams_changed = 1;
	flags->bits.scaler_sharpener = 1;
	flags->bits.sharpening_required = 1;
	flags->bits.cursor_attr = 1;
	flags->bits.cursor_pos = 1;
	flags->bits.periodic_interrupt = 1;
	flags->bits.info_frame = 1;
	flags->bits.dmdata = 1;
	flags->bits.dither = 1;
}

struct test_pattern {
	enum dp_test_pattern type;
	enum dp_test_pattern_color_space color_space;
	struct link_training_settings const *p_link_settings;
	unsigned char const *p_custom_pattern;
	unsigned int cust_pattern_size;
};

#define SUBVP_DRR_MARGIN_US 100 // 100us for DRR margin (SubVP + DRR)

struct dc_stream_debug_options {
	uint8_t force_odm_combine_segments;
	/*
	 * When force_odm_combine_segments is non zero, allow dc to
	 * temporarily transition to ODM bypass when minimal transition state
	 * is required to prevent visual glitches showing on the screen
	 */
	uint8_t allow_transition_for_forced_odm;
};

#define LUMINANCE_DATA_TABLE_SIZE 10

struct luminance_data {
	bool is_valid;
	int refresh_rate_hz[LUMINANCE_DATA_TABLE_SIZE];
	int luminance_millinits[LUMINANCE_DATA_TABLE_SIZE];
	int flicker_criteria_milli_nits_GAMING;
	int flicker_criteria_milli_nits_STATIC;
	unsigned int nominal_refresh_rate;
	unsigned int dm_max_decrease_from_nominal;
};

enum dc_drr_trigger_mode {
	DRR_TRIGGER_ON_FLIP = 0,
	DRR_TRIGGER_ON_FLIP_AND_CURSOR,
};

struct dc_stream_state {
	// sink is deprecated, new code should not reference
	// this pointer
	struct dc_sink *sink;

	struct dc_link *link;
	/* For dynamic link encoder assignment, update the link encoder assigned to
	 * a stream via the volatile dc_state rather than the static dc_link.
	 */
	struct link_encoder *link_enc;
	struct dc_stream_debug_options debug;
	struct dc_panel_patch sink_patches;
	struct dc_crtc_timing timing;
	struct dc_crtc_timing_adjust adjust;
	struct dc_info_packet vrr_infopacket;
	struct dc_info_packet vsc_infopacket;
	struct dc_info_packet vsp_infopacket;
	struct dc_info_packet hfvsif_infopacket;
	struct dc_info_packet vtem_infopacket;
	struct dc_info_packet adaptive_sync_infopacket;
	struct dc_info_packet avi_infopacket;
	uint8_t dsc_packed_pps[128];
	struct rect src; /* composition area */
	struct rect dst; /* stream addressable area */

	struct audio_info audio_info;

	struct dc_info_packet hdr_static_metadata;
	PHYSICAL_ADDRESS_LOC dmdata_address;
	bool   use_dynamic_meta;

	struct dc_transfer_func out_transfer_func;
	struct colorspace_transform gamut_remap_matrix;
	struct dc_csc_transform csc_color_matrix;

	enum dc_color_space output_color_space;
	enum display_content_type content_type;
	enum dc_dither_option dither_option;

	enum view_3d_format view_format;

	bool use_vsc_sdp_for_colorimetry;
	bool ignore_msa_timing_param;

	/**
	 * @allow_freesync:
	 *
	 * It say if Freesync is enabled or not.
	 */
	bool allow_freesync;

	/**
	 * @vrr_active_variable:
	 *
	 * It describes if VRR is in use.
	 */
	bool vrr_active_variable;
	bool freesync_on_desktop;
	bool vrr_active_fixed;

	bool converter_disable_audio;
	uint8_t qs_bit;
	uint8_t qy_bit;

	/* TODO: custom INFO packets */
	/* TODO: ABM info (DMCU) */
	/* TODO: CEA VIC */

	/* DMCU info */
	unsigned int abm_level;

	struct periodic_interrupt_config periodic_interrupt;

	/* 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;

	void *dm_stream_context;

	struct dc_cursor_attributes cursor_attributes;
	struct dc_cursor_position cursor_position;
	bool hw_cursor_req;

	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode

	/* from stream struct */
	struct kref refcount;

	struct crtc_trigger_info triggered_crtc_reset;

	/* writeback */
	unsigned int num_wb_info;
	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
	const struct dc_transfer_func *func_shaper;
	const struct dc_3dlut *lut3d_func;
	/* Computed state bits */
	bool mode_changed : 1;

	/* Output from DC when stream state is committed or altered
	 * DC may only access these values during:
	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
	 * values may not change outside of those calls
	 */
	struct {
		// For interrupt management, some hardware instance
		// offsets need to be exposed to DM
		uint8_t otg_offset;
	} out;

	bool apply_edp_fast_boot_optimization;
	bool apply_seamless_boot_optimization;
	uint32_t apply_boot_odm_mode;

	uint32_t stream_id;

	struct test_pattern test_pattern;
	union stream_update_flags update_flags;

	bool has_non_synchronizable_pclk;
	bool vblank_synchronized;
	bool is_phantom;

	struct luminance_data lumin_data;
	bool scaler_sharpener_update;
	bool sharpening_required;

	enum dc_drr_trigger_mode drr_trigger_mode;


	enum dc_blending_linearity blending_linearity;
	struct dc_update_scratch_space *update_scratch;
	bool firmware_controlled_hdr_info_packet;
};

#define ABM_LEVEL_IMMEDIATE_DISABLE 255

struct dc_stream_update {
	struct dc_stream_state *stream;

	struct rect src;
	struct rect dst;
	struct dc_transfer_func *out_transfer_func;
	struct dc_info_packet *hdr_static_metadata;
	unsigned int *abm_level;

	struct periodic_interrupt_config *periodic_interrupt;

	struct dc_info_packet *vrr_infopacket;
	struct dc_info_packet *vsc_infopacket;
	struct dc_info_packet *vsp_infopacket;
	struct dc_info_packet *hfvsif_infopacket;
	struct dc_info_packet *vtem_infopacket;
	struct dc_info_packet *adaptive_sync_infopacket;
	struct dc_info_packet *avi_infopacket;

	bool *dpms_off;
	bool integer_scaling_update;
	bool *allow_freesync;
	bool *vrr_active_variable;
	bool *vrr_active_fixed;

	struct colorspace_transform *gamut_remap;
	enum dc_color_space *output_color_space;
	enum dc_dither_option *dither_option;

	struct dc_csc_transform *output_csc_transform;

	struct dc_writeback_update *wb_update;
	struct dc_dsc_config *dsc_config;
	struct dc_mst_stream_bw_update *mst_bw_update;
	struct dc_transfer_func *func_shaper;
	struct dc_3dlut *lut3d_func;

	struct test_pattern *pending_test_pattern;
	struct dc_crtc_timing_adjust *crtc_timing_adjust;

	struct dc_cursor_attributes *cursor_attributes;
	struct dc_cursor_position *cursor_position;
	bool *hw_cursor_req;
	bool *scaler_sharpener_update;
	bool *sharpening_required;

	enum dc_blending_linearity *blending_linearity;

	enum dc_drr_trigger_mode *drr_trigger_mode;
};

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);

/*
 * Setup stream attributes if no stream updates are provided
 * there will be no impact on the stream parameters
 *
 * 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_update_planes_and_stream(struct dc *dc,
		struct dc_surface_update *surface_updates, int surface_count,
		struct dc_stream_state *dc_stream,
		struct dc_stream_update *stream_update);

struct dc_state_update;


/*
 * 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.
 */
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_state *state);
/*
 * Log the current stream state.
 */
void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);

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);

/*
 * Send dp sdp message.
 */
bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
		const uint8_t *custom_sdp_message,
		unsigned int sdp_message_size);

/* TODO: Return parsed values rather than direct register read
 * This has a dependency on the caller (amdgpu_display_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);

bool dc_stream_add_writeback(struct dc *dc,
		struct dc_stream_state *stream,
		struct dc_writeback_info *wb_info);

bool dc_stream_fc_disable_writeback(struct dc *dc,
		struct dc_stream_state *stream,
		uint32_t dwb_pipe_inst);

bool dc_stream_remove_writeback(struct dc *dc,
		struct dc_stream_state *stream,
		uint32_t dwb_pipe_inst);

enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
		struct dc_state *state,
		struct dc_stream_state *stream);

bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);

bool dc_stream_set_dynamic_metadata(struct dc *dc,
		struct dc_stream_state *stream,
		struct dc_dmdata_attributes *dmdata_attr);

enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);

/*
 * Enable stereo when commit_streams is not required,
 * for example, frame alternate.
 */
void dc_enable_stereo(
	struct dc *dc,
	struct dc_state *context,
	struct dc_stream_state *streams[],
	uint8_t stream_count);

/* Triggers multi-stream synchronization. */
void dc_trigger_sync(struct dc *dc, struct dc_state *context);

/* Shim: packs args into dc_state_update and calls dc_check_state_update(). */
struct dc_update_descriptor dc_check_update_surfaces_for_stream(
		const struct dc_check_config *check_config,
		struct dc_surface_update *updates,
		int surface_count,
		struct dc_stream_update *stream_update);

struct dc_link *dc_stream_get_link(
	const struct dc_stream_state *dc_stream);

/**
 * Create a new default stream for the requested sink
 */
struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);

struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);

void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *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);
const struct dc_stream_status *dc_stream_get_status_const(const 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 */

void program_cursor_attributes(
	struct dc *dc,
	struct dc_stream_state *stream);

void program_cursor_position(
	struct dc *dc,
	struct dc_stream_state *stream);

bool dc_stream_check_cursor_attributes(
	const struct dc_stream_state *stream,
	struct dc_state *state,
	const struct dc_cursor_attributes *attributes);

bool dc_stream_set_cursor_attributes(
	struct dc_stream_state *stream,
	const struct dc_cursor_attributes *attributes);

bool dc_stream_program_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_program_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,
				struct dc_crtc_timing_adjust *adjust);

bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
		struct dc_stream_state *stream,
		uint32_t *refresh_rate);

#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
bool dc_stream_forward_crc_window(struct dc_stream_state *stream,
		struct rect *rect,
		uint8_t phy_id,
		bool is_stop);

bool dc_stream_forward_multiple_crc_window(struct dc_stream_state *stream,
		struct crc_window *window,
		uint8_t phy_id,
		bool stop);
#endif

bool dc_stream_configure_crc(struct dc *dc,
			     struct dc_stream_state *stream,
			     struct crc_params *crc_window,
			     bool enable,
			     bool continuous,
			     uint8_t idx,
			     bool reset,
			     enum crc_poly_mode crc_poly_mode);

bool dc_stream_get_crc(struct dc *dc,
		       struct dc_stream_state *stream,
		       uint8_t idx,
		       uint32_t *r_cr,
		       uint32_t *g_y,
		       uint32_t *b_cb);

void dc_stream_set_static_screen_params(struct dc *dc,
					struct dc_stream_state **stream,
					int num_streams,
					const struct dc_static_screen_params *params);

void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
		enum dc_dynamic_expansion option);

void dc_stream_set_dither_option(struct dc_stream_state *stream,
				 enum dc_dither_option option);

bool dc_stream_set_gamut_remap(struct dc *dc,
			       const struct dc_stream_state *stream);

bool dc_stream_program_csc_matrix(struct dc *dc,
				  struct dc_stream_state *stream);

struct dc_rmcm_3dlut *dc_stream_get_3dlut_for_stream(
	const struct dc *dc,
	const struct dc_stream_state *stream,
	bool allocate_one);

void dc_stream_release_3dlut_for_stream(
	const struct dc *dc,
	const struct dc_stream_state *stream);

void dc_stream_init_rmcm_3dlut(struct dc *dc);

struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);

void dc_dmub_update_dirty_rect(struct dc *dc,
			       int surface_count,
			       struct dc_stream_state *stream,
			       const struct dc_surface_update *srf_updates,
			       struct dc_state *context);

bool dc_stream_is_cursor_limit_pending(struct dc *dc, struct dc_stream_state *stream);
bool dc_stream_can_clear_cursor_limit(struct dc *dc, struct dc_stream_state *stream);

#endif /* DC_STREAM_H_ */