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 18 struct sti_vtg; 19 struct drm_crtc; 20 struct drm_display_mode; 21 struct notifier_block; 22 23 struct sti_vtg *of_vtg_find(struct device_node *np); 24 void sti_vtg_set_config(struct sti_vtg *vtg, 25 const struct drm_display_mode *mode); 26 int sti_vtg_register_client(struct sti_vtg *vtg, struct notifier_block *nb, 27 struct drm_crtc *crtc); 28 int sti_vtg_unregister_client(struct sti_vtg *vtg, 29 struct notifier_block *nb); 30 31 u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y); 32 u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x); 33 34 #endif 35