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503290cedf
This update eases to understand the VTG programming. It also sets a VTG output id for each supported connectors. Signed-off-by: Vincent Abriou <vincent.abriou@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
33 lines
975 B
C
33 lines
975 B
C
/*
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* Copyright (C) STMicroelectronics SA 2014
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* Author: Benjamin Gaignard <benjamin.gaignard@st.com> for STMicroelectronics.
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* License terms: GNU General Public License (GPL), version 2
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*/
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#ifndef _STI_VTG_H_
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#define _STI_VTG_H_
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#define VTG_TOP_FIELD_EVENT 1
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#define VTG_BOTTOM_FIELD_EVENT 2
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#define VTG_SYNC_ID_HDMI 1
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#define VTG_SYNC_ID_HDDCS 2
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#define VTG_SYNC_ID_HDF 3
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#define VTG_SYNC_ID_DVO 4
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struct sti_vtg;
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struct drm_display_mode;
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struct notifier_block;
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struct sti_vtg *of_vtg_find(struct device_node *np);
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void sti_vtg_set_config(struct sti_vtg *vtg,
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const struct drm_display_mode *mode);
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int sti_vtg_register_client(struct sti_vtg *vtg, struct notifier_block *nb,
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struct drm_crtc *crtc);
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int sti_vtg_unregister_client(struct sti_vtg *vtg,
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struct notifier_block *nb);
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u32 sti_vtg_get_line_number(struct drm_display_mode mode, int y);
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u32 sti_vtg_get_pixel_number(struct drm_display_mode mode, int x);
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#endif
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