EC600G/components/bootloader/include/boot_lcd.h

/* Copyright (C) 2018 RDA Technologies Limited and/or its affiliates("RDA").
 * All rights reserved.
 *
 * This software is supplied "AS IS" without any warranties.
 * RDA assumes no responsibility or liability for the use of the software,
 * conveys no license or title under any patent, copyright, or mask work
 * right to the product. RDA reserves the right to make changes in the
 * software without notification.  RDA also make no representation or
 * warranty that such application will be suitable for the specified use
 * without further testing or modification.
 */

#ifndef _BOOT_LCD_H_
#define _BOOT_LCD_H_

#include "drv_lcd_defs.h"

OSI_EXTERN_C_BEGIN

/**
 * \brief opaque data struct for LCD
 */
typedef struct bootLcd bootLcd_t;

/**
 * \brief get LCD driver instance by name
 *
 * \param name      LCD driver name
 * \return
 *      - LCD instance
 *      - NULL on invalid parameter
 */
bootLcd_t *bootLcdGetByname(unsigned name);

/**
 * \brief open LCD instance
 *
 * When it is the first time to open the LCD, it will probe the panel.
 *
 * After open, pixel data can be send to panel. However, unless back light
 * id enabled, picture can't be seen on panel.
 *
 * \param d         LCD driver instance
 * \return
 *      - true on success
 *      - false on invalid parameter, or invalid panel
 */
bool bootLcdOpen(bootLcd_t *d);

/**
 * \brief close LCD instance
 *
 * \param d         LCD driver instance
 */
void bootLcdClose(bootLcd_t *d);

/**
 * \brief turn on or off back light of LCD
 *
 * \param d         LCD instance
 * \param enabled   true to turn on back light, false to turn off
 */
void bootLcdSetBackLightEnable(bootLcd_t *d, bool enabled);

/**
 * \brief get panel information
 *
 * When the panel is invalid, it will return false.
 *
 * After direction transform is changed, the width and height of panel
 * may be swapped.
 *
 * \param d         LCD driver instance
 * \param info      output panel information
 * \return
 *      - true on success
 *      - false on invalid parameter or panel invalid
 */
bool bootLcdGetPanelInfo(bootLcd_t *d, drvLcdPanelInfo_t *info);

/**
 * \brief set screen direction
 *
 * \param d         LCD driver instance
 * \param dir       direction
 */
void bootLcdSetDirection(bootLcd_t *d, drvLcdDirection_t dir);

/**
 * \brief flush LCD display
 *
 * When \p sync is false, this will return immediate after data transfer is
 * started. Otherwise, this will wait data transfer is finished.
 *
 * When previous data transfer is on-going, it will wait previous data
 * transfer finish anyway.
 *
 * Dcache clean will be performed inside.
 *
 * \param d         LCD driver instance
 * \param layers    layers definition
 * \param sync      true to wait data transfer done
 * \return
 *      - true on success
 *      - false on invalid parameter
 */
bool bootLcdFlush(bootLcd_t *d, const drvLcdLayers_t *layers, bool sync);

/**
 * \brief fill solid color in screen ROI
 *
 *  When \p screen_roi is NULL, fill full screen.
 *
 * \param d         LCD driver instance
 * \param color     color in RGB565
 * \param screen_roi    screen ROI, NULL for full screen
 * \param sync      true to wait data transfer done
 * \return
 *      - true on success
 *      - false on invalid parameter
 */
bool bootLcdFill(bootLcd_t *d, uint16_t color, const drvLcdArea_t *screen_roi, bool sync);

/**
 * \brief wait on-going data transfer done
 */
void bootLcdWaitTransferDone(void);

OSI_EXTERN_C_END
#endif