/*****************************************************************************
* Copyright 2001 - 2007 Broadcom Corporation. All rights reserved.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available at
* http://www.gnu.org/copyleft/gpl.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*
*****************************************************************************/
/*
*
*****************************************************************************
*
* lcd.c
*
* PURPOSE:
*
* This implements the LCD driver.
*
* NOTES:
*
*****************************************************************************/
#if !defined( BCM_LINUX_LCD_H )
#define BCM_LINUX_LCD_H
/* ---- Include Files ---------------------------------------------------- */
#include <linux/ioctl.h>
/* ---- Constants and Types ---------------------------------------------- */
#define LCD_MAGIC 'L'
#define LCD_CMD_FIRST 0x80
#define LCD_CMD_RESET 0x80
#define LCD_CMD_ENABLE_BACKLIGHT 0x81
#define LCD_CMD_ENABLE_CS 0x82
#define LCD_CMD_SCOPE_TIMEOUT 0x83
#define LCD_CMD_INIT 0x84
#define LCD_CMD_INIT_ALL 0x85
#define LCD_CMD_SETUP 0x86
#define LCD_CMD_HOLD 0x87
#define LCD_CMD_PULSE 0x88
#define LCD_CMD_REG 0x89
#define LCD_CMD_RECT 0x8A
#define LCD_CMD_COLOR_TEST 0x8B
#define LCD_CMD_DIRTY_ROWS 0x8C
#define LCD_CMD_PRINT_REGS 0x8D
#define LCD_CMD_PRINT_DATA 0x8E
#define LCD_CMD_ENABLE_SUB_BACKLIGHT 0x92
#define LCD_CMD_PWR_OFF 0x93
#define LCD_CMD_IS_DISPLAY_REGION_SUPPORTED 0x98
#define LCD_CMD_INFO 0x99
#define LCD_CMD_IS_DIRTY_ROW_UPDATE_SUPPORTED 0x9a
#define LCD_CMD_SET_DISPLAY_LAYER_NUM 0x9b
#define LCD_CMD_DIRTY_ROW_BITS 0x9c
#define LCD_CMD_LAST 0x9c
typedef struct
{
unsigned char reg;
unsigned char val;
} LCD_Reg_t;
typedef struct
{
unsigned char startReg;
unsigned char endReg;
} LCD_PrintRegs_t;
typedef struct
{
unsigned int x;
unsigned int y;
unsigned int numPixels;
} LCD_PrintData_t;
typedef struct
{
unsigned int left;
unsigned int top;
unsigned int width;
unsigned int height;
unsigned int color;
} LCD_Rect_t;
typedef struct
{
unsigned int top; // inclusive
unsigned int bottom; // inclusive
} LCD_DirtyRows_t;
typedef struct
{
unsigned numRows; // Number of rows which are significant
unsigned int *bits; // variable length bitmask bit 0 = row 0
} LCD_DirtyRowBits_t;
typedef struct
{
int width;
int height;
int bitsPerPixel;
} LCD_Info_t;
/* --------------------------------------------------------------------------
**
*/
#define LCDFB_IOCTL_UPDATE_LCD 0x46ff
#define LCD_IOCTL_RESET _IO( LCD_MAGIC, LCD_CMD_RESET ) // arg is int
#define LCD_IOCTL_ENABLE_BACKLIGHT _IO( LCD_MAGIC, LCD_CMD_ENABLE_BACKLIGHT ) // arg is int
#define LCD_IOCTL_ENABLE_SUB_BACKLIGHT _IO( LCD_MAGIC, LCD_CMD_ENABLE_SUB_BACKLIGHT ) // arg is int
#define LCD_IOCTL_ENABLE_CS _IO( LCD_MAGIC, LCD_CMD_ENABLE_CS ) // arg is int
#define LCD_IOCTL_SCOPE_TIMEOUT _IO( LCD_MAGIC, LCD_CMD_SCOPE_TIMEOUT ) // arg is int
#define LCD_IOCTL_INIT _IO( LCD_MAGIC, LCD_CMD_INIT )
#define LCD_IOCTL_INIT_ALL _IO( LCD_MAGIC, LCD_CMD_INIT_ALL )
#define LCD_IOCTL_SETUP _IO( LCD_MAGIC, LCD_CMD_SETUP ) // arg is int
#define LCD_IOCTL_HOLD _IO( LCD_MAGIC, LCD_CMD_HOLD ) // arg is int
#define LCD_IOCTL_PULSE _IO( LCD_MAGIC, LCD_CMD_PULSE ) // arg is int
#define LCD_IOCTL_REG _IOW( LCD_MAGIC, LCD_CMD_REG, LCD_Reg_t ) // arg is LCD_Reg_t *
#define LCD_IOCTL_RECT _IOW( LCD_MAGIC, LCD_CMD_RECT, LCD_Rect_t ) // arg is LCD_Rect_t *
#define LCD_IOCTL_COLOR_TEST _IO( LCD_MAGIC, LCD_CMD_COLOR_TEST ) // arg is int
#define LCD_IOCTL_DIRTY_ROWS _IOW( LCD_MAGIC, LCD_CMD_DIRTY_ROWS, LCD_DirtyRows_t ) // arg is LCD_DirtyRows_t *
#define LCD_IOCTL_PRINT_REGS _IOW( LCD_MAGIC, LCD_CMD_PRINT_REGS, LCD_PrintRegs_t ) // arg is LCD_PrintRegs_t *
#define LCD_IOCTL_PRINT_DATA _IOW( LCD_MAGIC, LCD_CMD_PRINT_DATA, LCD_PrintData_t ) // arg is LCD_PrintData_t *
#define LCD_IOCTL_PWR_OFF _IO( LCD_MAGIC, LCD_CMD_PWR_OFF )
#define LCD_IOCTL_IS_DISPLAY_REGION_SUPPORTED _IO( LCD_MAGIC, LCD_CMD_IS_DISPLAY_REGION_SUPPORTED )
#define LCD_IOCTL_INFO _IO( LCD_MAGIC, LCD_CMD_INFO )
#define LCD_IOCTL_IS_DIRTY_ROW_UPDATE_SUPPORTED _IO( LCD_MAGIC, LCD_CMD_IS_DIRTY_ROW_UPDATE_SUPPORTED )
#define LCD_IOCTL_SET_DISPLAY_LAYER_NUM _IO( LCD_MAGIC, LCD_CMD_SET_DISPLAY_LAYER_NUM ) //arg is int
#define LCD_IOCTL_DIRTY_ROW_BITS _IOW( LCD_MAGIC, LCD_CMD_DIRTY_ROW_BITS, LCD_DirtyRowBits_t ) // arg is LCD_DirtyRowBits_t *
/* ---- Variable Externs ------------------------------------------------- */
/* ---- Function Prototypes ---------------------------------------------- */
#ifdef __KERNEL__
int lcd_ioctl_dirty_row_bits( unsigned long arg );
void lcd_dirty_rows( LCD_DirtyRows_t *dirtyRows );
void *lcd_get_framebuffer_addr( int *frame_size, dma_addr_t *dma_addr );
int lcd_is_display_regions_supported( void );
int lcd_is_dirty_row_update_supported( void );
void lcd_get_info( LCD_Info_t *lcdInfo );
#endif /* __KERNEL__ */
#endif /* BCM_LINUX_LCD_H */
