arch/arm/mach-imx/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
  11 #include "../hardware.h"
  12 #include "devices-common.h"
  13
  14 #define imx_imx_fb_data_entry_single(soc, _devid, _size)                \
  15         {                                                               \
  16                 .devid = _devid,                                        \
  17                 .iobase = soc ## _LCDC_BASE_ADDR,                       \
  18                 .iosize = _size,                                        \
  19                 .irq = soc ## _INT_LCDC,                                \
  20         }
  21
  22 #ifdef CONFIG_SOC_IMX21
  23 const struct imx_imx_fb_data imx21_imx_fb_data __initconst =
  24         imx_imx_fb_data_entry_single(MX21, "imx21-fb", SZ_4K);
  25 #endif /* ifdef CONFIG_SOC_IMX21 */
  26
  27 #ifdef CONFIG_SOC_IMX27
  28 const struct imx_imx_fb_data imx27_imx_fb_data __initconst =
  29         imx_imx_fb_data_entry_single(MX27, "imx21-fb", SZ_4K);
  30 #endif /* ifdef CONFIG_SOC_IMX27 */
  31
  32 struct platform_device *__init imx_add_imx_fb(
  33                 const struct imx_imx_fb_data *data,
  34                 const struct imx_fb_platform_data *pdata)
  35 {
  36         struct resource res[] = {
  37                 {
  38                         .start = data->iobase,
  39                         .end = data->iobase + data->iosize - 1,
  40                         .flags = IORESOURCE_MEM,
  41                 }, {
  42                         .start = data->irq,
  43                         .end = data->irq,
  44                         .flags = IORESOURCE_IRQ,
  45                 },
  46         };
  47         return imx_add_platform_device_dmamask(data->devid, 0,
  48                         res, ARRAY_SIZE(res),
  49                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  50 }