91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
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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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* License terms: GNU General Public License (GPL), version 2
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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_layer.h"
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#include "sti_mixer.h"
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#define WAIT_NEXT_VSYNC_MS 50 /*ms*/
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#define STI_MAX_LAYER 8
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#define STI_MAX_MIXER 2
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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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* @vtg_main: vtg for main data path
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* @vtg_aux: vtg for auxillary data path
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* @layer: array of layers
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* @nb_mixers: number of mixers for this compositor
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* @nb_layers: number of layers (GDP,VID,...) for this compositor
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* @enable: true if compositor is enable else false
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* @vtg_vblank_nb: callback 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_vtg *vtg_main;
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struct sti_vtg *vtg_aux;
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struct sti_layer *layer[STI_MAX_LAYER];
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int nb_mixers;
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int nb_layers;
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bool enable;
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struct notifier_block vtg_vblank_nb;
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};
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#endif
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