David Venhoff cfcea9ee67 Initial commit
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
2025-08-11 13:05:09 +02:00

35 lines
968 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) STMicroelectronics SA 2014
* Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
*/
#ifndef _STI_VTG_H_
#define _STI_VTG_H_
#define VTG_TOP_FIELD_EVENT 1
#define VTG_BOTTOM_FIELD_EVENT 2
#define VTG_SYNC_ID_HDMI 1
#define VTG_SYNC_ID_HDDCS 2
#define VTG_SYNC_ID_HDF 3
#define VTG_SYNC_ID_DVO 4
struct sti_vtg;
struct drm_crtc;
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,
struct drm_crtc *crtc);
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