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atmel_lcdc.h
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/*
* 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
#define ATMEL_LCDC_WIRING_RGB555 2
/* LCD Controller info data structure, stored in device platform_data */
struct atmel_lcdfb_info {
spinlock_t lock;
struct fb_info *info;
void __iomem *mmio;
int irq_base;
struct work_struct task;
unsigned int guard_time;
unsigned int smem_len;
struct platform_device *pdev;
struct clk *bus_clk;
struct clk *lcdc_clk;
#ifdef CONFIG_BACKLIGHT_ATMEL_LCDC
struct backlight_device *backlight;
u8 bl_power;
#endif
bool lcdcon_is_backlight;
bool lcdcon_pol_negative;
u8 saved_lcdcon;
u8 default_bpp;
u8 lcd_wiring_mode;
unsigned int default_lcdcon2;
unsigned int default_dmacon;
void (*atmel_lcdfb_power_control)(int on);
struct fb_monspecs *default_monspecs;
u32 pseudo_palette[16];
};
#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)
#define ATMEL_LCDC_PIXELSIZE (7 << 5)
#define ATMEL_LCDC_PIXELSIZE_1 (0 << 5)
#define ATMEL_LCDC_PIXELSIZE_2 (1 << 5)
#define ATMEL_LCDC_PIXELSIZE_4 (2 << 5)
#define ATMEL_LCDC_PIXELSIZE_8 (3 << 5)
#define ATMEL_LCDC_PIXELSIZE_16 (4 << 5)
#define ATMEL_LCDC_PIXELSIZE_24 (5 << 5)
#define ATMEL_LCDC_PIXELSIZE_32 (6 << 5)
#define ATMEL_LCDC_INVVD (1 << 8)
#define ATMEL_LCDC_INVVD_NORMAL (0 << 8)
#define ATMEL_LCDC_INVVD_INVERTED (1 << 8)
#define ATMEL_LCDC_INVFRAME (1 << 9 )
#define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9)
#define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9)
#define ATMEL_LCDC_INVLINE (1 << 10)
#define ATMEL_LCDC_INVLINE_NORMAL (0 << 10)
#define ATMEL_LCDC_INVLINE_INVERTED (1 << 10)
#define ATMEL_LCDC_INVCLK (1 << 11)
#define ATMEL_LCDC_INVCLK_NORMAL (0 << 11)
#define ATMEL_LCDC_INVCLK_INVERTED (1 << 11)
#define ATMEL_LCDC_INVDVAL (1 << 12)
#define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12)
#define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12)
#define ATMEL_LCDC_CLKMOD (1 << 15)
#define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15)
#define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15)
#define ATMEL_LCDC_MEMOR (1 << 31)
#define ATMEL_LCDC_MEMOR_BIG (0 << 31)
#define ATMEL_LCDC_MEMOR_LITTLE (1 << 31)
#define ATMEL_LCDC_TIM1 0x0808
#define ATMEL_LCDC_VFP (0xffU << 0)
#define ATMEL_LCDC_VBP_OFFSET 8
#define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET)
#define ATMEL_LCDC_VPW_OFFSET 16
#define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET)
#define ATMEL_LCDC_VHDLY_OFFSET 24
#define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET)
#define ATMEL_LCDC_TIM2 0x080c
#define ATMEL_LCDC_HBP (0xffU << 0)
#define ATMEL_LCDC_HPW_OFFSET 8
#define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET)
#define ATMEL_LCDC_HFP_OFFSET 21
#define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET)
#define ATMEL_LCDC_LCDFRMCFG 0x0810
#define ATMEL_LCDC_LINEVAL (0x7ff << 0)
#define ATMEL_LCDC_HOZVAL_OFFSET 21
#define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET)
#define ATMEL_LCDC_FIFO 0x0814
#define ATMEL_LCDC_FIFOTH (0xffff)
#define ATMEL_LCDC_MVAL 0x0818
#define ATMEL_LCDC_DP1_2 0x081c
#define ATMEL_LCDC_DP4_7 0x0820
#define ATMEL_LCDC_DP3_5 0x0824
#define ATMEL_LCDC_DP2_3 0x0828
#define ATMEL_LCDC_DP5_7 0x082c
#define ATMEL_LCDC_DP3_4 0x0830
#define ATMEL_LCDC_DP4_5 0x0834
#define ATMEL_LCDC_DP6_7 0x0838
#define ATMEL_LCDC_DP1_2_VAL (0xff)
#define ATMEL_LCDC_DP4_7_VAL (0xfffffff)
#define ATMEL_LCDC_DP3_5_VAL (0xfffff)
#define ATMEL_LCDC_DP2_3_VAL (0xfff)
#define ATMEL_LCDC_DP5_7_VAL (0xfffffff)
#define ATMEL_LCDC_DP3_4_VAL (0xffff)
#define ATMEL_LCDC_DP4_5_VAL (0xfffff)
#define ATMEL_LCDC_DP6_7_VAL (0xfffffff)
#define ATMEL_LCDC_PWRCON 0x083c
#define ATMEL_LCDC_PWR (1 << 0)
#define ATMEL_LCDC_GUARDT_OFFSET 1
#define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET)
#define ATMEL_LCDC_BUSY (1 << 31)
#define ATMEL_LCDC_CONTRAST_CTR 0x0840
#define ATMEL_LCDC_PS (3 << 0)
#define ATMEL_LCDC_PS_DIV1 (0 << 0)
#define ATMEL_LCDC_PS_DIV2 (1 << 0)
#define ATMEL_LCDC_PS_DIV4 (2 << 0)
#define ATMEL_LCDC_PS_DIV8 (3 << 0)
#define ATMEL_LCDC_POL (1 << 2)
#define ATMEL_LCDC_POL_NEGATIVE (0 << 2)
#define ATMEL_LCDC_POL_POSITIVE (1 << 2)
#define ATMEL_LCDC_ENA (1 << 3)
#define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3)
#define ATMEL_LCDC_ENA_PWMENABLE (1 << 3)
#define ATMEL_LCDC_CONTRAST_VAL 0x0844
#define ATMEL_LCDC_CVAL (0xff)
#define ATMEL_LCDC_IER 0x0848
#define ATMEL_LCDC_IDR 0x084c
#define ATMEL_LCDC_IMR 0x0850
#define ATMEL_LCDC_ISR 0x0854
#define ATMEL_LCDC_ICR 0x0858
#define ATMEL_LCDC_LNI (1 << 0)
#define ATMEL_LCDC_LSTLNI (1 << 1)
#define ATMEL_LCDC_EOFI (1 << 2)
#define ATMEL_LCDC_UFLWI (1 << 4)
#define ATMEL_LCDC_OWRI (1 << 5)
#define ATMEL_LCDC_MERI (1 << 6)
#define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4))
#endif /* __ATMEL_LCDC_H__ */