Blame view

kernel/linux-rt-4.4.41/arch/arm/mach-imx/devices/platform-imx-fb.c 1.54 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
  /*
   * Copyright (C) 2010 Pengutronix
   * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License version 2 as published by the
   * Free Software Foundation.
   */
  #include <linux/dma-mapping.h>
  
  #include "../hardware.h"
  #include "devices-common.h"
  
  #define imx_imx_fb_data_entry_single(soc, _devid, _size)		\
  	{								\
  		.devid = _devid,					\
  		.iobase = soc ## _LCDC_BASE_ADDR,			\
  		.iosize = _size,					\
  		.irq = soc ## _INT_LCDC,				\
  	}
  
  #ifdef CONFIG_SOC_IMX1
  const struct imx_imx_fb_data imx1_imx_fb_data __initconst =
  	imx_imx_fb_data_entry_single(MX1, "imx1-fb", SZ_4K);
  #endif /* ifdef CONFIG_SOC_IMX1 */
  
  #ifdef CONFIG_SOC_IMX21
  const struct imx_imx_fb_data imx21_imx_fb_data __initconst =
  	imx_imx_fb_data_entry_single(MX21, "imx21-fb", SZ_4K);
  #endif /* ifdef CONFIG_SOC_IMX21 */
  
  #ifdef CONFIG_SOC_IMX27
  const struct imx_imx_fb_data imx27_imx_fb_data __initconst =
  	imx_imx_fb_data_entry_single(MX27, "imx21-fb", SZ_4K);
  #endif /* ifdef CONFIG_SOC_IMX27 */
  
  struct platform_device *__init imx_add_imx_fb(
  		const struct imx_imx_fb_data *data,
  		const struct imx_fb_platform_data *pdata)
  {
  	struct resource res[] = {
  		{
  			.start = data->iobase,
  			.end = data->iobase + data->iosize - 1,
  			.flags = IORESOURCE_MEM,
  		}, {
  			.start = data->irq,
  			.end = data->irq,
  			.flags = IORESOURCE_IRQ,
  		},
  	};
  	return imx_add_platform_device_dmamask(data->devid, 0,
  			res, ARRAY_SIZE(res),
  			pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  }