LXR linux/arch/arm/mach-imx/devices/platform-imx-fb.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2010 Pengutronix
   4 * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5 */
   6#include <linux/dma-mapping.h>
   7
   8#include "../hardware.h"
   9#include "devices-common.h"
  10
  11#define imx_imx_fb_data_entry_single(soc, _devid, _size)                \
  12        {                                                               \
  13                .devid = _devid,                                        \
  14                .iobase = soc ## _LCDC_BASE_ADDR,                       \
  15                .iosize = _size,                                        \
  16                .irq = soc ## _INT_LCDC,                                \
  17        }
  18
  19#ifdef CONFIG_SOC_IMX21
  20const struct imx_imx_fb_data imx21_imx_fb_data __initconst =
  21        imx_imx_fb_data_entry_single(MX21, "imx21-fb", SZ_4K);
  22#endif /* ifdef CONFIG_SOC_IMX21 */
  23
  24#ifdef CONFIG_SOC_IMX27
  25const struct imx_imx_fb_data imx27_imx_fb_data __initconst =
  26        imx_imx_fb_data_entry_single(MX27, "imx21-fb", SZ_4K);
  27#endif /* ifdef CONFIG_SOC_IMX27 */
  28
  29struct platform_device *__init imx_add_imx_fb(
  30                const struct imx_imx_fb_data *data,
  31                const struct imx_fb_platform_data *pdata)
  32{
  33        struct resource res[] = {
  34                {
  35                        .start = data->iobase,
  36                        .end = data->iobase + data->iosize - 1,
  37                        .flags = IORESOURCE_MEM,
  38                }, {
  39                        .start = data->irq,
  40                        .end = data->irq,
  41                        .flags = IORESOURCE_IRQ,
  42                },
  43        };
  44        return imx_add_platform_device_dmamask(data->devid, 0,
  45                        res, ARRAY_SIZE(res),
  46                        pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  47}
  48