arch/arm/plat-mxc/devices/platform-imx-fb.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include <linux/dma-mapping.h>
  10 #include <mach/hardware.h>
  11 #include <mach/devices-common.h>
  12
  13 #define imx_imx_fb_data_entry_single(soc, _size)                        \
  14         {                                                               \
  15                 .iobase = soc ## _LCDC_BASE_ADDR,                       \
  16                 .iosize = _size,                                        \
  17                 .irq = soc ## _INT_LCDC,                                \
  18         }
  19
  20 #ifdef CONFIG_SOC_IMX1
  21 const struct imx_imx_fb_data imx1_imx_fb_data __initconst =
  22         imx_imx_fb_data_entry_single(MX1, SZ_4K);
  23 #endif /* ifdef CONFIG_SOC_IMX1 */
  24
  25 #ifdef CONFIG_SOC_IMX21
  26 const struct imx_imx_fb_data imx21_imx_fb_data __initconst =
  27         imx_imx_fb_data_entry_single(MX21, SZ_4K);
  28 #endif /* ifdef CONFIG_SOC_IMX21 */
  29
  30 #ifdef CONFIG_SOC_IMX25
  31 const struct imx_imx_fb_data imx25_imx_fb_data __initconst =
  32         imx_imx_fb_data_entry_single(MX25, SZ_16K);
  33 #endif /* ifdef CONFIG_SOC_IMX25 */
  34
  35 #ifdef CONFIG_SOC_IMX27
  36 const struct imx_imx_fb_data imx27_imx_fb_data __initconst =
  37         imx_imx_fb_data_entry_single(MX27, SZ_4K);
  38 #endif /* ifdef CONFIG_SOC_IMX27 */
  39
  40 struct platform_device *__init imx_add_imx_fb(
  41                 const struct imx_imx_fb_data *data,
  42                 const struct imx_fb_platform_data *pdata)
  43 {
  44         struct resource res[] = {
  45                 {
  46                         .start = data->iobase,
  47                         .end = data->iobase + data->iosize - 1,
  48                         .flags = IORESOURCE_MEM,
  49                 }, {
  50                         .start = data->irq,
  51                         .end = data->irq,
  52                         .flags = IORESOURCE_IRQ,
  53                 },
  54         };
  55         return imx_add_platform_device_dmamask("imx-fb", 0,
  56                         res, ARRAY_SIZE(res),
  57                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  58 }