drivers/gpu/drm/sti/sti_vtg.h

   1 /*
   2  * Copyright (C) STMicroelectronics SA 2014
   3  * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
   4  * License terms:  GNU General Public License (GPL), version 2
   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 struct sti_vtg;
  14 struct drm_display_mode;
  15 struct notifier_block;
  16
  17 struct sti_vtg *of_vtg_find(struct device_node *np);
  18 void sti_vtg_set_config(struct sti_vtg *vtg,
  19                 const struct drm_display_mode *mode);
  20 int sti_vtg_register_client(struct sti_vtg *vtg,
  21                 struct notifier_block *nb, int crtc_id);
  22 int sti_vtg_unregister_client(struct sti_vtg *vtg,
  23                 struct notifier_block *nb);
  24
  25 u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y);
  26 u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x);
  27
  28 #endif