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e284257027
Add SPDX identifiers to files under sti directory Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Vincent Abriou <vincent.abriou@st.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171206112947.9569-2-benjamin.gaignard@st.com
86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) STMicroelectronics SA 2014
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* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
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* Fabien Dessenne <fabien.dessenne@st.com>
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* for STMicroelectronics.
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*/
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#ifndef _STI_COMPOSITOR_H_
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#define _STI_COMPOSITOR_H_
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#include <linux/clk.h>
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#include <linux/kernel.h>
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#include "sti_mixer.h"
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#include "sti_plane.h"
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#define WAIT_NEXT_VSYNC_MS 50 /*ms*/
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#define STI_MAX_MIXER 2
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#define STI_MAX_VID 1
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enum sti_compositor_subdev_type {
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STI_MIXER_MAIN_SUBDEV,
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STI_MIXER_AUX_SUBDEV,
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STI_GPD_SUBDEV,
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STI_VID_SUBDEV,
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STI_CURSOR_SUBDEV,
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};
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struct sti_compositor_subdev_descriptor {
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enum sti_compositor_subdev_type type;
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int id;
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unsigned int offset;
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};
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/**
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* STI Compositor data structure
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*
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* @nb_subdev: number of subdevices supported by the compositor
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* @subdev_desc: subdev list description
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*/
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#define MAX_SUBDEV 9
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struct sti_compositor_data {
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unsigned int nb_subdev;
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struct sti_compositor_subdev_descriptor subdev_desc[MAX_SUBDEV];
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};
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/**
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* STI Compositor structure
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*
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* @dev: driver device
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* @regs: registers (main)
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* @data: device data
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* @clk_compo_main: clock for main compo
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* @clk_compo_aux: clock for aux compo
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* @clk_pix_main: pixel clock for main path
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* @clk_pix_aux: pixel clock for aux path
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* @rst_main: reset control of the main path
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* @rst_aux: reset control of the aux path
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* @mixer: array of mixers
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* @vid: array of vids
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* @vtg: array of vtgs
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* @vtg_vblank_nb: array of callbacks for VTG VSYNC notification
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*/
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struct sti_compositor {
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struct device *dev;
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void __iomem *regs;
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struct sti_compositor_data data;
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struct clk *clk_compo_main;
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struct clk *clk_compo_aux;
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struct clk *clk_pix_main;
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struct clk *clk_pix_aux;
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struct reset_control *rst_main;
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struct reset_control *rst_aux;
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struct sti_mixer *mixer[STI_MAX_MIXER];
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struct sti_vid *vid[STI_MAX_VID];
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struct sti_vtg *vtg[STI_MAX_MIXER];
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struct notifier_block vtg_vblank_nb[STI_MAX_MIXER];
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};
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int sti_compositor_debugfs_init(struct sti_compositor *compo,
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struct drm_minor *minor);
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#endif
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