linux/drivers/gpu/drm/sti/sti_vtg.h

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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