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

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