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authorAmaury Pouly <pamaury@rockbox.org>2011-05-01 13:02:46 +0000
committerAmaury Pouly <pamaury@rockbox.org>2011-05-01 13:02:46 +0000
commit08fb3f65745a237e2c1eae55d856ff27702246e5 (patch)
treea56ce11ac20e4df0e36de9195306c10b71752538 /firmware/target/arm/imx233/lcdif-imx233.h
parentc0838cbfd8e45621fe3450aee1bf9458ff420d16 (diff)
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Sansa Fuze+: initial commit (bootloader only, LCD basically working)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29808 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx233/lcdif-imx233.h')
-rw-r--r--firmware/target/arm/imx233/lcdif-imx233.h100
1 files changed, 100 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/lcdif-imx233.h b/firmware/target/arm/imx233/lcdif-imx233.h
new file mode 100644
index 0000000000..970b8661e5
--- /dev/null
+++ b/firmware/target/arm/imx233/lcdif-imx233.h
@@ -0,0 +1,100 @@
+/***************************************************************************
+ * __________ __ ___.
+ * 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);
+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__ */