drivers/gpu/drm/sti/sti_vtg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) STMicroelectronics SA 2014
   4  * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
   5  */
   6
   7 #ifndef _STI_VTG_H_
   8 #define _STI_VTG_H_
   9
  10 #define VTG_TOP_FIELD_EVENT     1
  11 #define VTG_BOTTOM_FIELD_EVENT  2
  12
  13 #define VTG_SYNC_ID_HDMI        1
  14 #define VTG_SYNC_ID_HDDCS       2
  15 #define VTG_SYNC_ID_HDF         3
  16 #define VTG_SYNC_ID_DVO         4
  17
  18 struct sti_vtg;
  19 struct drm_display_mode;
  20 struct notifier_block;
  21
  22 struct sti_vtg *of_vtg_find(struct device_node *np);
  23 void sti_vtg_set_config(struct sti_vtg *vtg,
  24                 const struct drm_display_mode *mode);
  25 int sti_vtg_register_client(struct sti_vtg *vtg, struct notifier_block *nb,
  26                             struct drm_crtc *crtc);
  27 int sti_vtg_unregister_client(struct sti_vtg *vtg,
  28                 struct notifier_block *nb);
  29
  30 u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y);
  31 u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x);
  32
  33 #endif