79 lines
3.4 KiB
C
79 lines
3.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (c) 2011 by Amaury Pouly
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __LCDIF_IMX233_H__
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#define __LCDIF_IMX233_H__
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#include <string.h>
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#include "cpu.h"
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#include "system.h"
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#include "system-target.h"
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#include "regs/regs-lcdif.h"
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typedef void (*lcdif_irq_cb_t)(void);
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void imx233_lcdif_enable(bool enable);
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/* WARNING: pixclk must be running before calling lcdif_init */
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void imx233_lcdif_init(void);// reset lcdif block
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void imx233_lcdif_reset_lcd(bool enable);// set/clr reset line
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void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold,
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unsigned cmd_setup, unsigned cmd_hold);
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void imx233_lcdif_set_word_length(unsigned word_length);
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void imx233_lcdif_wait_ready(void);
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void imx233_lcdif_set_data_swizzle(unsigned swizzle);
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/* This function assumes the data is packed in 8/16-bit mode and unpacked in
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* 18-bit mode.
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* WARNING: doesn't support 24-bit mode
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* WARNING: count must be lower than or equal to 0xffff
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* Note that this function might affect the byte packing format and bus master.
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* Note that count is number of pixels, NOT the number of bytes ! */
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void imx233_lcdif_pio_send(bool data_mode, unsigned count, void *buf);
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void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height);
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void imx233_lcdif_setup_system_pins(unsigned bus_width);
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void imx233_lcdif_setup_dotclk_pins(unsigned bus_width, bool have_enable);
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#if IMX233_SUBTARGET >= 3700
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void imx233_lcdif_set_byte_packing_format(unsigned byte_packing);
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/* low-level function */
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void imx233_lcdif_setup_dotclk(unsigned v_pulse_width, unsigned v_period,
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unsigned v_wait_cnt, unsigned v_active, unsigned h_pulse_width,
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unsigned h_period, unsigned h_wait_cnt, unsigned h_active, bool enable_present);
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/* high-level function */
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void imx233_lcdif_setup_dotclk_ex(unsigned v_pulse_width, unsigned v_back_porch,
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unsigned v_front_porch, unsigned h_pulse_width, unsigned h_back_porch,
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unsigned h_front_porch, unsigned width, unsigned height, unsigned clk_per_pix,
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bool enable_present);
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void imx233_lcdif_enable_frame_done_irq(bool en);
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void imx233_lcdif_set_frame_done_cb(lcdif_irq_cb_t cb);
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void imx233_lcdif_enable_vsync_edge_irq(bool en);
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void imx233_lcdif_set_vsync_edge_cb(lcdif_irq_cb_t cb);
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void imx233_lcdif_enable_underflow_irq(bool en);
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void imx233_lcdif_set_underflow_cb(lcdif_irq_cb_t cb);
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void imx233_lcdif_enable_sync_signals(bool en);
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#endif
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#if IMX233_SUBTARGET >= 3780
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void imx233_lcdif_enable_underflow_recover(bool enable);
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void imx233_lcdif_enable_bus_master(bool enable);
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void imx233_lcdif_set_lcd_databus_width(unsigned width);
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#endif
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#endif /* __LCDIF_IMX233_H__ */
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