1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) STMicroelectronics SA 2014 4 * Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics. 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#define VTG_SYNC_ID_HDMI 1 14#define VTG_SYNC_ID_HDDCS 2 15#define VTG_SYNC_ID_HDF 3 16#define VTG_SYNC_ID_DVO 4 17 18struct sti_vtg; 19struct drm_crtc; 20struct drm_display_mode; 21struct notifier_block; 22 23struct sti_vtg *of_vtg_find(struct device_node *np); 24void sti_vtg_set_config(struct sti_vtg *vtg, 25 const struct drm_display_mode *mode); 26int sti_vtg_register_client(struct sti_vtg *vtg, struct notifier_block *nb, 27 struct drm_crtc *crtc); 28int sti_vtg_unregister_client(struct sti_vtg *vtg, 29 struct notifier_block *nb); 30 31u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y); 32u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x); 33 34#endif 35