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/***************************************************************************
* __________ __ ___.
* 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"
#include "regs/regs-lcdif.h"
typedef void (*lcdif_irq_cb_t)(void);
void imx233_lcdif_enable(bool enable);
/* WARNING: pixclk must be running before calling lcdif_init */
void imx233_lcdif_init(void);// reset lcdif block
void imx233_lcdif_reset_lcd(bool enable);// set/clr reset line
void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold,
unsigned cmd_setup, unsigned cmd_hold);
void imx233_lcdif_set_word_length(unsigned word_length);
void imx233_lcdif_wait_ready(void);
void imx233_lcdif_set_data_swizzle(unsigned swizzle);
/* This function assumes the data is packed in 8/16-bit mode and unpacked in
* 18-bit mode.
* WARNING: doesn't support 24-bit mode
* WARNING: count must be lower than or equal to 0xffff
* Note that this function might affect the byte packing format and bus master.
* Note that count is number of pixels, NOT the number of bytes ! */
void imx233_lcdif_pio_send(bool data_mode, unsigned count, void *buf);
void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height);
void imx233_lcdif_setup_system_pins(unsigned bus_width);
void imx233_lcdif_setup_dotclk_pins(unsigned bus_width, bool have_enable);
#if IMX233_SUBTARGET >= 3700
void imx233_lcdif_set_byte_packing_format(unsigned byte_packing);
/* low-level function */
void imx233_lcdif_setup_dotclk(unsigned v_pulse_width, unsigned v_period,
unsigned v_wait_cnt, unsigned v_active, unsigned h_pulse_width,
unsigned h_period, unsigned h_wait_cnt, unsigned h_active, bool enable_present);
/* high-level function */
void imx233_lcdif_setup_dotclk_ex(unsigned v_pulse_width, unsigned v_back_porch,
unsigned v_front_porch, unsigned h_pulse_width, unsigned h_back_porch,
unsigned h_front_porch, unsigned width, unsigned height, unsigned clk_per_pix,
bool enable_present);
void imx233_lcdif_enable_frame_done_irq(bool en);
void imx233_lcdif_set_frame_done_cb(lcdif_irq_cb_t cb);
void imx233_lcdif_enable_vsync_edge_irq(bool en);
void imx233_lcdif_set_vsync_edge_cb(lcdif_irq_cb_t cb);
void imx233_lcdif_enable_sync_signals(bool en);
#endif
#if IMX233_SUBTARGET >= 3780
void imx233_lcdif_enable_underflow_recover(bool enable);
void imx233_lcdif_enable_bus_master(bool enable);
void imx233_lcdif_set_lcd_databus_width(unsigned width);
#endif
#endif /* __LCDIF_IMX233_H__ */
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