lh7a404_clcdc_driver.h

sharp触摸屏测试代码

/***********************************************************************
 * $Workfile:   lh7a404_clcdc_driver.h  $
 * $Revision:   1.2  $
 * $Author:   WellsK  $
 * $Date:   Mar 29 2004 14:31:50  $
 *
 * Project: LH7A404 CLCDC driver
 *
 * Description:
 *     This file contains driver support for the CLCDC module on the
 *     LH7A404
 *
 *	Revision History:
 * $Log:   //smaicnt2/pvcs/VM/sharpmcu/archives/sharpmcu/software/csps/lh7a404/include/lh7a404_clcdc_driver.h-arc  $
 * 
 *    Rev 1.2   Mar 29 2004 14:31:50   WellsK
 * Added LCD_PICK_INT and LCD_CLEAR_INT ioctl functions.
 * 
 *    Rev 1.1   Oct 28 2003 10:48:50   WellsK
 * Updated with structure from ABL package. Added ioctl for
 * setting color depth.
 * 
 *    Rev 1.0   Jun 30 2003 17:11:58   WellsK
 * Initial revision.
 * 
 *
 ***********************************************************************
 * SHARP MICROELECTRONICS OF THE AMERICAS MAKES NO REPRESENTATION
 * OR WARRANTIES WITH RESPECT TO THE PERFORMANCE OF THIS SOFTWARE,
 * AND SPECIFICALLY DISCLAIMS ANY RESPONSIBILITY FOR ANY DAMAGES, 
 * SPECIAL OR CONSEQUENTIAL, CONNECTED WITH THE USE OF THIS SOFTWARE.
 *
 * SHARP MICROELECTRONICS OF THE AMERICAS PROVIDES THIS SOFTWARE SOLELY 
 * FOR THE PURPOSE OF SOFTWARE DEVELOPMENT INCORPORATING THE USE OF A 
 * SHARP MICROCONTROLLER OR SYSTEM-ON-CHIP PRODUCT. USE OF THIS SOURCE
 * FILE IMPLIES ACCEPTANCE OF THESE CONDITIONS.
 *
 * COPYRIGHT (C) 2001 SHARP MICROELECTRONICS OF THE AMERICAS, INC.
 *     CAMAS, WA
 **********************************************************************/

#ifndef LH7A404_CLCDC_DRIVER_H
#define LH7A404_CLCDC_DRIVER_H

#ifdef __cplusplus
extern "C" {
#endif

#include "abl_lcd_params.h"
#include "lh7a404_clcdc.h"

/***********************************************************************
 * CLCDC device configuration commands (IOCTL commands and arguments)
 **********************************************************************/

/* CLCDC device commands (IOCTL commands) */
typedef enum {
    LCD_CONFIG,      /* Configure the LCD controller with a predefined
                        LCD configuration structure, use arg as the
                        pointer to the structure */
    LCD_ENABLE,      /* Enable or disable LCD controller, use arg = 0
                        to disable, arg = 1 to enable */
    LCD_PWENABLE,    /* Enable or disable LCD power, use arg = 0
                        to disable, arg = 1 to enable */
    LCD_SET_UP_FB,   /* Set upper frame buffer address, use arg as
                        the address of the frame buffer */
    LCD_SET_LW_FB,   /* Set lower frame buffer address, use arg as
                        the address of the frame buffer */
    LCD_SET_OV_FB,   /* Set overflow frame buffer address, use arg as
                        the address of the frame buffer */
    LCD_ENABLE_INTS, /* Enable LCD interrupts, use arg as an 'OR'ed
                        combination of CLCDC_LCDSTATUS_FUFUP,
                        CLCDC_LCDSTATUS_FUFLP, CLCDC_LCDSTATUS_LNBU,
                        CLCDC_LCDSTATUS_VCOMP, and
                        CLCDC_LCDSTATUS_MBERROR */
    LCD_DISABLE_INTS, /* Disable LCD interrupts, use arg as an 'OR'ed
                         combination of CLCDC_LCDSTATUS_FUFUP,
                         CLCDC_LCDSTATUS_FUFLP, CLCDC_LCDSTATUS_LNBU,
                         CLCDC_LCDSTATUS_VCOMP, and
                         CLCDC_LCDSTATUS_MBERROR */
    LCD_PICK_INT,    /* Select the interrupt condition that generates
                        the CLCDC_LCDSTATUS_VCOMP interrupt, use arg as
                        a type of LCD_INTERRUPT_T */
    LCD_CLEAR_INT,   /* Clear the latched LCD interrupt condition, use
                        arg = 0 */
    LCD_DMA_ON_4MT,  /* Set DMA requests to start when 4 or 8 entries
                        are free in the CLCDC FIFOs, use arg = 1 for
                        4 entries, use arg = 0 for 8 entries */
    LCD_SWAP_RGB,    /* Swaps the red and green colors in a 16-bit
                        color value (555 displays only), use arg = 1 to
                        swap red and green, use arg = 0 to not swap */
    LCD_SET_BPP,     /* Set bits per pixel, arg must be 1, 2, 4, 8, or
                        16 */
    LCD_SET_CLOCK,   /* Sets or updates the LCD pixel clock, use arg as
                        a new clock rate in Hz */
    LCD_GET_STATUS   /* Get an LCD status, use an argument type of
                        LCD_IOCTL_STS_T as the argument to return the
                        correct status */
} LCD_IOCTL_CMD_T;

/* CLCDC arguments for LCD_PICK_INT command (IOCTL arguments) */
typedef enum {
    VSYNC_START = 0,    /* Interrupt on start of VSYNC */
    BACK_PORCH_START,   /* Interrupt on start of vertical back porch */
    VIDEO_START,        /* Interrupt on start of video */
    FRONT_PORCH_START   /* Interrupt on start of vertical front porch */
} LCD_INTERRUPT_T;

/* CLCDC device arguments for LCD_GET_STATUS command (IOCTL
   arguments) */
typedef enum {
    LCD_ENABLE_ST,  /* Returns LCD enabled status (1 = enabled, 0
                       = disabled */
    LCD_PWENABLE_ST, /* Returns LCD power enabled status (1 = enabled,
                        0 = disabled */
    LCD_UP_FB,      /* Returns address of primary (upper) frame
                       buffer */
    LCD_LW_FB,      /* Returns address of lower panel buffer (dual panel
                       display mode only) */
    LCD_OVR_FB,     /* Returns address of overflow buffer */
    LCD_PANEL_TYPE, /* Returns the LCD type, an enumeration of type
                       LCD_PANEL_T */
    LCD_CLOCK,      /* Returns the pixel clock in Hz */
    LCD_XSIZE,      /* Returns the display horizontal size in pixels */
    LCD_YSIZE,      /* Returns the display certical size in pixels */
    LCD_COLOR_DEPTH /* Returns the display color depth, either 1, 2, 4
                       8, or 16 bits per pixel */
} LCD_IOCTL_STS_T;

/***********************************************************************
 * CLCDC driver API functions
 **********************************************************************/

/* Open the LCD */
INT_32 lcd_open(void *ipbase, INT_32 arg);

/* Close the LCD */
STATUS lcd_close(INT_32 devid);

/* LCD configuration block */
STATUS lcd_ioctl(INT_32 devid,
                 INT_32 cmd,
                 INT_32 arg);

/* LCD read function (stub only) */
INT_32 lcd_read(INT_32 devid,
                void *buffer,
                INT_32 max_bytes);

/* LCD write function (stub only) */
INT_32 lcd_write(INT_32 devid,
                 void *buffer,
                 INT_32 n_bytes);

#ifdef __cplusplus
}
#endif

#endif /* LH7A404_CLCDC_DRIVER_H */