firmware/target/arm/imx233/lcdif-imx233.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (c) 2011 by Amaury Pouly
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef __LCDIF_IMX233_H__
  22 #define __LCDIF_IMX233_H__
  23
  24 #include <string.h>
  25 #include "cpu.h"
  26 #include "system.h"
  27 #include "system-target.h"
  28
  29 #define HW_LCDIF_BASE           0x80030000
  30
  31 #define HW_LCDIF_CTRL           (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x0))
  32 #define HW_LCDIF_CTRL__WORD_LENGTH_16_BIT   (0 << 8)
  33 #define HW_LCDIF_CTRL__WORD_LENGTH_8_BIT    (1 << 8)
  34 #define HW_LCDIF_CTRL__WORD_LENGTH_18_BIT   (2 << 8)
  35 #define HW_LCDIF_CTRL__WORD_LENGTH_24_BIT   (3 << 8)
  36 #define HW_LCDIF_CTRL__WORD_LENGTH_BM       (3 << 8)
  37 #define HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_18_BIT (2 << 10)
  38 #define HW_LCDIF_CTRL__LCD_DATABUS_WIDTH_BM (3 << 10)
  39 #define HW_LCDIF_CTRL__LCDIF_MASTER         (1 << 5)
  40 #define HW_LCDIF_CTRL__DATA_FORMAT_16_BIT   (1 << 3)
  41 #define HW_LCDIF_CTRL__DATA_FORMAT_18_BIT   (1 << 2)
  42 #define HW_LCDIF_CTRL__DATA_FORMAT_24_BIT   (1 << 1)
  43 #define HW_LCDIF_CTRL__RUN                  0x1
  44 #define HW_LCDIF_CTRL__DATA_SELECT          (1 << 16)
  45
  46 #define HW_LCDIF_CTRL1          (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x10))
  47 #define HW_LCDIF_CTRL1__RESET           1
  48 #define HW_LCDIF_CTRL1__BUSY_ENABLE     (1 << 2)
  49 #define HW_LCDIF_CTRL1__MODE86          (1 << 1)
  50 #define HW_LCDIF_CTRL1__IRQ_EN_BP       12
  51 #define HW_LCDIF_CTRL1__IRQ_EN_BM       (0xf << 12)
  52 #define HW_LCDIF_CTRL1__IRQ_BP          8
  53 #define HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BM  (0xf << 16)
  54 #define HW_LCDIF_CTRL1__BYTE_PACKING_FORMAT_BP  16
  55
  56 #define HW_LCDIF__VSYNC_EDGE_IRQ        1
  57 #define HW_LCDIF__CUR_FRAME_DONE_IRQ    2
  58 #define HW_LCDIF__UNDERFLOW_IRQ         4
  59 #define HW_LCDIF__OVERFLOW_IRQ          8
  60
  61 #define HW_LCDIF_TRANSFER_COUNT (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x20))
  62 #define HW_LCDIF_CUR_BUF        (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x30))
  63 #define HW_LCDIF_NEXT_BUF       (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x40))
  64 #define HW_LCDIF_TIMING         (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x60))
  65 #define HW_LCDIF_TIMING__DATA_SETUP_BP  0
  66 #define HW_LCDIF_TIMING__DATA_HOLD_BP   8
  67 #define HW_LCDIF_TIMING__CMD_SETUP_BP   16
  68 #define HW_LCDIF_TIMING__CMD_HOLD_BP    24
  69
  70 #define HW_LCDIF_CSC_COEFF0     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x110))
  71 #define HW_LCDIF_CSC_COEFF1     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x120))
  72 #define HW_LCDIF_CSC_COEFF2     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x130))
  73 #define HW_LCDIF_CSC_COEFF3     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x140))
  74 #define HW_LCDIF_CSC_COEFF4     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x150))
  75 #define HW_LCDIF_CSC_OFFSET     (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x160))
  76 #define HW_LCDIF_CSC_LIMIT      (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x170))
  77 #define HW_LCDIF_DATA           (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x1b0))
  78
  79 #define HW_LCDIF_STAT           (*(volatile uint32_t *)(HW_LCDIF_BASE + 0x1d0))
  80 #define HW_LCDIF_STAT__LFIFO_FULL   (1 << 29)
  81 #define HW_LCDIF_STAT__LFIFO_EMPTY  (1 << 28)
  82 #define HW_LCDIF_STAT__TXFIFO_FULL  (1 << 27)
  83 #define HW_LCDIF_STAT__TXFIFO_EMPTY (1 << 26)
  84 #define HW_LCDIF_STAT__BUSY         (1 << 25)
  85
  86 void imx233_lcdif_enable_bus_master(bool enable);
  87 void imx233_lcdif_enable(bool enable);
  88 void imx233_lcdif_reset(void);
  89 void imx233_lcdif_set_timings(unsigned data_setup, unsigned data_hold,
  90     unsigned cmd_setup, unsigned cmd_hold);
  91 void imx233_lcdif_set_lcd_databus_width(unsigned width);
  92 void imx233_lcdif_set_word_length(unsigned word_length);
  93 void imx233_lcdif_set_byte_packing_format(unsigned byte_packing);
  94 void imx233_lcdif_set_data_format(bool data_fmt_16, bool data_fmt_18, bool data_fmt_24);
  95 unsigned imx233_lcdif_enable_irqs(unsigned irq_bm); /* return old mask */
  96 void imx233_lcdif_wait_ready(void);
  97 void imx233_lcdif_pio_send(bool data_mode, unsigned len, uint32_t *buf);
  98 void imx233_lcdif_dma_send(void *buf, unsigned width, unsigned height);
  99
 100 #endif /* __LCDIF_IMX233_H__ */