069a0269a9
Factorise pin setup, rewrite PIO code, add support for lcdif irq, handle all the various differences between the stmps, drop yuv blitting code since it already exists in the common lcd drivers. Change-Id: Ifc40aed9b3b12f16611ce960602e46a5bc87ae53
76 lines
3.3 KiB
C
76 lines
3.3 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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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_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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