b759415020
Implement Read back of HDR metadata infoframes i.e Dynamic Range and Mastering Infoframe for LSPCON devices. v2: Added proper bitmask of enabled infoframes as per Ville's recommendation. v3: Dropped a redundant wrapper as per Ville's comment. v4: Dropped a redundant print, added Ville's RB. Signed-off-by: Uma Shankar <uma.shankar@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201130204738.2443-14-uma.shankar@intel.com
48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_LSPCON_H__
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#define __INTEL_LSPCON_H__
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#include <linux/types.h>
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struct drm_connector;
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struct drm_connector_state;
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struct intel_crtc_state;
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struct intel_digital_port;
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struct intel_encoder;
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struct intel_lspcon;
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bool lspcon_init(struct intel_digital_port *dig_port);
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void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon);
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void lspcon_resume(struct intel_digital_port *dig_port);
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void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
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void lspcon_write_infoframe(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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unsigned int type,
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const void *buf, ssize_t len);
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void lspcon_read_infoframe(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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unsigned int type,
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void *frame, ssize_t len);
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void lspcon_set_infoframes(struct intel_encoder *encoder,
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bool enable,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
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const struct intel_crtc_state *pipe_config);
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u32 intel_lspcon_infoframes_enabled(struct intel_encoder *encoder,
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const struct intel_crtc_state *pipe_config);
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void hsw_write_infoframe(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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unsigned int type,
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const void *frame, ssize_t len);
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void hsw_read_infoframe(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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unsigned int type,
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void *frame, ssize_t len);
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#endif /* __INTEL_LSPCON_H__ */
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