drivers/gpu/drm/i915/display/intel_lspcon.h

   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__ */