i915/display/intel_lspcon.h

0001 /* SPDX-License-Identifier: MIT */
0002 /*
0003  * Copyright © 2019 Intel Corporation
0004  */
0005
0006 #ifndef __INTEL_LSPCON_H__
0007 #define __INTEL_LSPCON_H__
0008
0009 #include <linux/types.h>
0010
0011 struct drm_connector;
0012 struct drm_connector_state;
0013 struct intel_crtc_state;
0014 struct intel_digital_port;
0015 struct intel_encoder;
0016 struct intel_lspcon;
0017
0018 bool lspcon_init(struct intel_digital_port *dig_port);
0019 void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon);
0020 void lspcon_resume(struct intel_digital_port *dig_port);
0021 void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
0022 void lspcon_write_infoframe(struct intel_encoder *encoder,
0023                 const struct intel_crtc_state *crtc_state,
0024                 unsigned int type,
0025                 const void *buf, ssize_t len);
0026 void lspcon_read_infoframe(struct intel_encoder *encoder,
0027                const struct intel_crtc_state *crtc_state,
0028                unsigned int type,
0029                void *frame, ssize_t len);
0030 void lspcon_set_infoframes(struct intel_encoder *encoder,
0031                bool enable,
0032                const struct intel_crtc_state *crtc_state,
0033                const struct drm_connector_state *conn_state);
0034 u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
0035                   const struct intel_crtc_state *pipe_config);
0036 u32 intel_lspcon_infoframes_enabled(struct intel_encoder *encoder,
0037                     const struct intel_crtc_state *pipe_config);
0038 void hsw_write_infoframe(struct intel_encoder *encoder,
0039              const struct intel_crtc_state *crtc_state,
0040              unsigned int type,
0041              const void *frame, ssize_t len);
0042 void hsw_read_infoframe(struct intel_encoder *encoder,
0043             const struct intel_crtc_state *crtc_state,
0044             unsigned int type,
0045             void *frame, ssize_t len);
0046
0047 #endif /* __INTEL_LSPCON_H__ */