1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __INTEL_LSPCON_H__
7 #define __INTEL_LSPCON_H__
8 
9 #include <linux/types.h>
10 
11 struct drm_connector;
12 struct drm_connector_state;
13 struct intel_crtc_state;
14 struct intel_digital_port;
15 struct intel_encoder;
16 struct intel_lspcon;
17 
18 bool lspcon_init(struct intel_digital_port *dig_port);
19 void lspcon_detect_hdr_capability(struct intel_lspcon *lspcon);
20 void lspcon_resume(struct intel_digital_port *dig_port);
21 void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
22 void lspcon_write_infoframe(struct intel_encoder *encoder,
23 			    const struct intel_crtc_state *crtc_state,
24 			    unsigned int type,
25 			    const void *buf, ssize_t len);
26 void lspcon_read_infoframe(struct intel_encoder *encoder,
27 			   const struct intel_crtc_state *crtc_state,
28 			   unsigned int type,
29 			   void *frame, ssize_t len);
30 void lspcon_set_infoframes(struct intel_encoder *encoder,
31 			   bool enable,
32 			   const struct intel_crtc_state *crtc_state,
33 			   const struct drm_connector_state *conn_state);
34 u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
35 			      const struct intel_crtc_state *pipe_config);
36 u32 intel_lspcon_infoframes_enabled(struct intel_encoder *encoder,
37 				    const struct intel_crtc_state *pipe_config);
38 void hsw_write_infoframe(struct intel_encoder *encoder,
39 			 const struct intel_crtc_state *crtc_state,
40 			 unsigned int type,
41 			 const void *frame, ssize_t len);
42 void hsw_read_infoframe(struct intel_encoder *encoder,
43 			const struct intel_crtc_state *crtc_state,
44 			unsigned int type,
45 			void *frame, ssize_t len);
46 
47 #endif /* __INTEL_LSPCON_H__ */
48