rockbox/firmware/target/arm/imx233/lcdif-imx233.h
Amaury Pouly 744adcba81 imx233: add comment about block reset
fuze+: reset the controller for all lcd types, should fix the "CRT effet"

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31234 a1c6a512-1295-4272-9138-f99709370657
2011-12-13 22:48:01 +00:00

100 lines
4.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (c) 2011 by Amaury Pouly
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __LCDIF_IMX233_H__
#define __LCDIF_IMX233_H__
#include <string.h>
#include "cpu.h"
#include "system.h"
#include "system-target.h"
#define HW_LCDIF_BASE 0x80030000
#define HW_LCDIF_CTRL (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x0))
#define HW_LCDIF_CTRL__WORD_LENGTH_16_BIT (0 << 8)
#define HW_LCDIF_CTRL__WORD_LENGTH_8_BIT (1 << 8)
#define HW_LCDIF_CTRL__WORD_LENGTH_18_BIT (2 << 8)
#define HW_LCDIF_CTRL__WORD_LENGTH_24_BIT (3 << 8)
#define HW_LCDIF_CTRL__WORD_LENGTH_BM (3 << 8)
#define HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_18_BIT (2 << 10)
#define HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_BM (3 << 10)
#define HW_LCDIF_CTRL__LCDIF_MASTER (1 << 5)
#define HW_LCDIF_CTRL__DATA_FORMAT_16_BIT (1 << 3)
#define HW_LCDIF_CTRL__DATA_FORMAT_18_BIT (1 << 2)
#define HW_LCDIF_CTRL__DATA_FORMAT_24_BIT (1 << 1)
#define HW_LCDIF_CTRL__RUN 0x1
#define HW_LCDIF_CTRL__DATA_SELECT (1 << 16)
#define HW_LCDIF_CTRL1 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x10))
#define HW_LCDIF_CTRL1__RESET 1
#define HW_LCDIF_CTRL1__BUSY_ENABLE (1 << 2)
#define HW_LCDIF_CTRL1__MODE86 (1 << 1)
#define HW_LCDIF_CTRL1__IRQ_EN_BP 12
#define HW_LCDIF_CTRL1__IRQ_EN_BM (0xf << 12)
#define HW_LCDIF_CTRL1__IRQ_BP 8
#define HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BM (0xf << 16)
#define HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BP 16
#define HW_LCDIF__VSYNC_EDGE_IRQ 1
#define HW_LCDIF__CUR_FRAME_DONE_IRQ 2
#define HW_LCDIF__UNDERFLOW_IRQ 4
#define HW_LCDIF__OVERFLOW_IRQ 8
#define HW_LCDIF_TRANSFER_COUNT (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x20))
#define HW_LCDIF_CUR_BUF (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x30))
#define HW_LCDIF_NEXT_BUF (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x40))
#define HW_LCDIF_TIMING (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x60))
#define HW_LCDIF_TIMING__DATA_SETUP_BP 0
#define HW_LCDIF_TIMING__DATA_HOLD_BP 8
#define HW_LCDIF_TIMING__CMD_SETUP_BP 16
#define HW_LCDIF_TIMING__CMD_HOLD_BP 24
#define HW_LCDIF_CSC_COEFF0 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x110))
#define HW_LCDIF_CSC_COEFF1 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x120))
#define HW_LCDIF_CSC_COEFF2 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x130))
#define HW_LCDIF_CSC_COEFF3 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x140))
#define HW_LCDIF_CSC_COEFF4 (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x150))
#define HW_LCDIF_CSC_OFFSET (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x160))
#define HW_LCDIF_CSC_LIMIT (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x170))
#define HW_LCDIF_DATA (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x1b0))
#define HW_LCDIF_STAT (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x1d0))
#define HW_LCDIF_STAT__LFIFO_FULL (1 << 29)
#define HW_LCDIF_STAT__LFIFO_EMPTY (1 << 28)
#define HW_LCDIF_STAT__TXFIFO_FULL (1 << 27)
#define HW_LCDIF_STAT__TXFIFO_EMPTY (1 << 26)
#define HW_LCDIF_STAT__BUSY (1 << 25)
void imx233_lcdif_enable_bus_master(bool enable);
void imx233_lcdif_enable(bool enable);
void imx233_lcdif_reset(void);// reset lcdif block
void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold,
unsigned cmd_setup, unsigned cmd_hold);
void imx233_lcdif_set_lcd_databus_width(unsigned width);
void imx233_lcdif_set_word_length(unsigned word_length);
void imx233_lcdif_set_byte_packing_format(unsigned byte_packing);
void imx233_lcdif_set_data_format(bool data_fmt_16, bool data_fmt_18, bool data_fmt_24);
unsigned imx233_lcdif_enable_irqs(unsigned irq_bm); /* return old mask */
void imx233_lcdif_wait_ready(void);
void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf);
void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height);
#endif /* __LCDIF_IMX233_H__ */