diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_vtg.h')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_vtg.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_vtg.h b/drivers/gpu/drm/sti/sti_vtg.h new file mode 100644 index 000000000..d177129e5 --- /dev/null +++ b/drivers/gpu/drm/sti/sti_vtg.h @@ -0,0 +1,33 @@ +/* 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_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 |