linux-imx

/*

 *  Header file for AT91/AT32 LCD Controller

 *

 *  Data structure and register user interface

 *

 *  Copyright (C) 2007 Atmel Corporation

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#ifndef __ATMEL_LCDC_H__

#define __ATMEL_LCDC_H__

​

#include <linux/workqueue.h>

​

/* Way LCD wires are connected to the chip:

 * Some Atmel chips use BGR color mode (instead of standard RGB)

 * A swapped wiring onboard can bring to RGB mode.

 */

#define ATMEL_LCDC_WIRING_BGR   0

#define ATMEL_LCDC_WIRING_RGB   1

​

​

 /* LCD Controller info data structure, stored in device platform_data */

struct atmel_lcdfb_pdata {

    unsigned int        guard_time;

    bool            lcdcon_is_backlight;

    bool            lcdcon_pol_negative;

    u8          default_bpp;

    u8          lcd_wiring_mode;

    unsigned int        default_lcdcon2;

    unsigned int        default_dmacon;

    void (*atmel_lcdfb_power_control)(struct atmel_lcdfb_pdata *pdata, int on);

    struct fb_monspecs  *default_monspecs;

​

    struct list_head    pwr_gpios;

};

​

#define ATMEL_LCDC_DMABADDR1    0x00

#define ATMEL_LCDC_DMABADDR2    0x04

#define ATMEL_LCDC_DMAFRMPT1    0x08

#define ATMEL_LCDC_DMAFRMPT2    0x0c

#define ATMEL_LCDC_DMAFRMADD1   0x10

#define ATMEL_LCDC_DMAFRMADD2   0x14

​

#define ATMEL_LCDC_DMAFRMCFG    0x18

#define ATMEL_LCDC_FRSIZE   (0x7fffff <<  0)

#define ATMEL_LCDC_BLENGTH_OFFSET   24

#define ATMEL_LCDC_BLENGTH  (0x7f     << ATMEL_LCDC_BLENGTH_OFFSET)

​

#define ATMEL_LCDC_DMACON   0x1c

#define ATMEL_LCDC_DMAEN    (0x1 << 0)

#define ATMEL_LCDC_DMARST   (0x1 << 1)

#define ATMEL_LCDC_DMABUSY  (0x1 << 2)

#define     ATMEL_LCDC_DMAUPDT  (0x1 << 3)

#define     ATMEL_LCDC_DMA2DEN  (0x1 << 4)

​

#define ATMEL_LCDC_DMA2DCFG 0x20

#define     ATMEL_LCDC_ADDRINC_OFFSET   0

#define     ATMEL_LCDC_ADDRINC      (0xffff)

#define     ATMEL_LCDC_PIXELOFF_OFFSET  24

#define     ATMEL_LCDC_PIXELOFF     (0x1f << 24)

​

#define ATMEL_LCDC_LCDCON1  0x0800

#define ATMEL_LCDC_BYPASS   (1     <<  0)

#define ATMEL_LCDC_CLKVAL_OFFSET    12

#define ATMEL_LCDC_CLKVAL   (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET)

#define ATMEL_LCDC_LINCNT   (0x7ff << 21)

​

#define ATMEL_LCDC_LCDCON2  0x0804

#define ATMEL_LCDC_DISTYPE  (3 << 0)

#define     ATMEL_LCDC_DISTYPE_STNMONO  (0 << 0)

#define     ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0)

#define     ATMEL_LCDC_DISTYPE_TFT      (2 << 0)

#define ATMEL_LCDC_SCANMOD  (1 << 2)

#define     ATMEL_LCDC_SCANMOD_SINGLE   (0 << 2)

#define     ATMEL_LCDC_SCANMOD_DUAL     (1 << 2)

#define ATMEL_LCDC_IFWIDTH  (3 << 3)

#define     ATMEL_LCDC_IFWIDTH_4        (0 << 3)

#define     ATMEL_LCDC_IFWIDTH_8        (1 << 3)

#define     ATMEL_LCDC_IFWIDTH_16       (2 << 3)