LXR linux/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
  23const 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
  28const 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
  32struct 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}
  51