blob: e84d23f1f57ff71912eac3759f0691625eb64776 [file] [log] [blame]
/*
* Copyright (C) STMicroelectronics SA 2014
* Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
* License terms: GNU General Public License (GPL), version 2
*/
#ifndef _STI_VTG_H_
#define _STI_VTG_H_
#define VTG_TOP_FIELD_EVENT 1
#define VTG_BOTTOM_FIELD_EVENT 2
struct sti_vtg;
struct drm_display_mode;
struct notifier_block;
struct sti_vtg *of_vtg_find(struct device_node *np);
void sti_vtg_set_config(struct sti_vtg *vtg,
const struct drm_display_mode *mode);
int sti_vtg_register_client(struct sti_vtg *vtg,
struct notifier_block *nb, int crtc_id);
int sti_vtg_unregister_client(struct sti_vtg *vtg,
struct notifier_block *nb);
u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y);
u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x);
#endif