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Display Serial Interface (DSI) host can usefully be modelled as their own uclass. DSI defines a serial bus and a communication protocol between the host and the device (panel, bridge). Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2019 STMicroelectronics - All Rights Reserved
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* Author(s): Yannick Fertre <yannick.fertre@st.com> for STMicroelectronics.
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*
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*/
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#ifndef _DSI_HOST_H
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#define _DSI_HOST_H
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#include <mipi_dsi.h>
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struct dsi_host_ops {
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/**
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* init() - initialized the dsi_host
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*
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* @dev: dsi host device
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* @device: DSI peripheral device
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* @timing: Display timings
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* @max_data_lanes: maximum number of data lines
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* @phy_ops: set of function pointers for performing physical operations
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* @return 0 if OK, -ve on error
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*/
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int (*init)(struct udevice *dev,
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struct mipi_dsi_device *device,
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struct display_timing *timings,
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unsigned int max_data_lanes,
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const struct mipi_dsi_phy_ops *phy_ops);
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/**
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* enable() - Enable the dsi_host
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*
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* @dev: dsi host device
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* @return 0 if OK, -ve on error
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*/
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int (*enable)(struct udevice *dev);
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/**
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* disable() - Disable the dsi_host
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*
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* @dev: dsi host device
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* @return 0 if OK, -ve on error
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*/
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int (*disable)(struct udevice *dev);
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};
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#define dsi_host_get_ops(dev) ((struct dsi_host_ops *)(dev)->driver->ops)
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/**
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* dsi_host_init
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*
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* @dev: dsi host device
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* @device: DSI peripheral device
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* @timing: Display timings
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* @max_data_lanes: maximum number of data lines
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* @phy_ops: set of function pointers for performing physical operations
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* @return 0 if OK, -ve on error
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*/
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int dsi_host_init(struct udevice *dev,
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struct mipi_dsi_device *device,
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struct display_timing *timings,
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unsigned int max_data_lanes,
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const struct mipi_dsi_phy_ops *phy_ops);
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/**
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* dsi_host_enable
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*
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* @dev: dsi host device
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* @return 0 if OK, -ve on error
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*/
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int dsi_host_enable(struct udevice *dev);
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#endif
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