arch/arm/plat-samsung/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 #include <linux/gfp.h>
  19
  20 #include <mach/irqs.h>
  21 #include <mach/map.h>
  22 #include <mach/regs-fb.h>
  23
  24 #include <plat/fb.h>
  25 #include <plat/devs.h>
  26 #include <plat/cpu.h>
  27
  28 static struct resource s3c_fb_resource[] = {
  29         [0] = {
  30                 .start = S3C_PA_FB,
  31                 .end   = S3C_PA_FB + SZ_16K - 1,
  32                 .flags = IORESOURCE_MEM,
  33         },
  34         [1] = {
  35                 .start = IRQ_LCD_VSYNC,
  36                 .end   = IRQ_LCD_VSYNC,
  37                 .flags = IORESOURCE_IRQ,
  38         },
  39         [2] = {
  40                 .start = IRQ_LCD_FIFO,
  41                 .end   = IRQ_LCD_FIFO,
  42                 .flags = IORESOURCE_IRQ,
  43         },
  44         [3] = {
  45                 .start = IRQ_LCD_SYSTEM,
  46                 .end   = IRQ_LCD_SYSTEM,
  47                 .flags = IORESOURCE_IRQ,
  48         },
  49 };
  50
  51 struct platform_device s3c_device_fb = {
  52         .name             = "s3c-fb",
  53         .id               = -1,
  54         .num_resources    = ARRAY_SIZE(s3c_fb_resource),
  55         .resource         = s3c_fb_resource,
  56         .dev.dma_mask     = &s3c_device_fb.dev.coherent_dma_mask,
  57         .dev.coherent_dma_mask = 0xffffffffUL,
  58 };
  59
  60 void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
  61 {
  62         struct s3c_fb_platdata *npd;
  63
  64         if (!pd) {
  65                 printk(KERN_ERR "%s: no platform data\n", __func__);
  66                 return;
  67         }
  68
  69         npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
  70         if (!npd)
  71                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
  72
  73         s3c_device_fb.dev.platform_data = npd;
  74 }