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
  20 const 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
  25 const 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
  29 struct 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 }