treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / i915 / display / intel_lspcon.h
blob37cfddf8a9c5eb929671def021725b03b12bb6db
1 /* SPDX-License-Identifier: MIT */
2 /*
3 * Copyright © 2019 Intel Corporation
4 */
6 #ifndef __INTEL_LSPCON_H__
7 #define __INTEL_LSPCON_H__
9 #include <linux/types.h>
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;
18 bool lspcon_init(struct intel_digital_port *intel_dig_port);
19 void lspcon_resume(struct intel_lspcon *lspcon);
20 void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon);
21 void lspcon_write_infoframe(struct intel_encoder *encoder,
22 const struct intel_crtc_state *crtc_state,
23 unsigned int type,
24 const void *buf, ssize_t len);
25 void lspcon_read_infoframe(struct intel_encoder *encoder,
26 const struct intel_crtc_state *crtc_state,
27 unsigned int type,
28 void *frame, ssize_t len);
29 void lspcon_set_infoframes(struct intel_encoder *encoder,
30 bool enable,
31 const struct intel_crtc_state *crtc_state,
32 const struct drm_connector_state *conn_state);
33 u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
34 const struct intel_crtc_state *pipe_config);
35 void lspcon_ycbcr420_config(struct drm_connector *connector,
36 struct intel_crtc_state *crtc_state);
38 #endif /* __INTEL_LSPCON_H__ */