2 * Copyright (C) STMicroelectronics SA 2014
4 * License terms: GNU General Public License (GPL), version 2
10 #define VTG_TOP_FIELD_EVENT 1
11 #define VTG_BOTTOM_FIELD_EVENT 2
14 struct drm_display_mode;
15 struct notifier_block;
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);
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);