arch/arm/plat-s3c/dev-fb.c

   1 /* linux/arch/arm/plat-s3c/dev-fb.c
   2  *
   3  * Copyright 2008 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      http://armlinux.simtec.co.uk/
   6  *
   7  * S3C series device definition for framebuffer device
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/string.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/fb.h>
  18
  19 #include <mach/map.h>
  20 #include <mach/regs-fb.h>
  21
  22 #include <plat/fb.h>
  23 #include <plat/devs.h>
  24 #include <plat/cpu.h>
  25
  26 static struct resource s3c_fb_resource[] = {
  27         [0] = {
  28                 .start = S3C_PA_FB,
  29                 .end   = S3C_PA_FB + SZ_16K - 1,
  30                 .flags = IORESOURCE_MEM,
  31         },
  32         [1] = {
  33                 .start = IRQ_LCD_VSYNC,
  34                 .end   = IRQ_LCD_VSYNC,
  35                 .flags = IORESOURCE_IRQ,
  36         },
  37         [2] = {
  38                 .start = IRQ_LCD_FIFO,
  39                 .end   = IRQ_LCD_FIFO,
  40                 .flags = IORESOURCE_IRQ,
  41         },
  42         [3] = {
  43                 .start = IRQ_LCD_SYSTEM,
  44                 .end   = IRQ_LCD_SYSTEM,
  45                 .flags = IORESOURCE_IRQ,
  46         },
  47 };
  48
  49 struct platform_device s3c_device_fb = {
  50         .name             = "s3c-fb",
  51         .id               = -1,
  52         .num_resources    = ARRAY_SIZE(s3c_fb_resource),
  53         .resource         = s3c_fb_resource,
  54         .dev.dma_mask     = &s3c_device_fb.dev.coherent_dma_mask,
  55         .dev.coherent_dma_mask = 0xffffffffUL,
  56 };
  57
  58 void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
  59 {
  60         struct s3c_fb_platdata *npd;
  61
  62         if (!pd) {
  63                 printk(KERN_ERR "%s: no platform data\n", __func__);
  64                 return;
  65         }
  66
  67         npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
  68         if (!npd)
  69                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
  70
  71         s3c_device_fb.dev.platform_data = npd;
  72 }