* Epson Research S1D13505 Embedded RAMDAC LCD/CRT Controller
* (previously known as SED1355)
*
- * Cf. http://www.erd.epson.com/vdc/html/S1D13505.html
+ * Cf. http://vdc.epson.com/
*
*
* Copyright (C) Hewlett-Packard Company. All rights reserved.
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <asm/types.h>
#include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <video/epson1355.h>
struct epson1355_par {
unsigned long reg_addr;
+ u32 pseudo_palette[16];
};
/* ------------------------------------------------------------------------- */
-#ifdef CONFIG_SUPERH
-
-static inline u8 epson1355_read_reg(int index)
-{
- return ctrl_inb(par.reg_addr + index);
-}
-
-static inline void epson1355_write_reg(u8 data, int index)
-{
- ctrl_outb(data, par.reg_addr + index);
-}
-
-#elif defined(CONFIG_ARM)
+#if defined(CONFIG_ARM)
# ifdef CONFIG_ARCH_CEIVA
-# include <asm/arch/hardware.h>
+# include <mach/hardware.h>
# define EPSON1355FB_BASE_PHYS (CEIVA_PHYS_SED1355)
# endif
struct epson1355_par *par = info->par;
switch (blank_mode) {
- case FB_BLANK_UNBLANKING:
+ case FB_BLANK_UNBLANK:
case FB_BLANK_NORMAL:
lcd_enable(par, 1);
backlight_enable(1);
static ssize_t
-epson1355fb_read(struct file *file, char *buf, size_t count, loff_t * ppos)
+epson1355fb_read(struct fb_info *info, char *buf, size_t count, loff_t * ppos)
{
- struct inode *inode = file->f_dentry->d_inode;
- int fbidx = iminor(inode);
- struct fb_info *info = registered_fb[fbidx];
unsigned long p = *ppos;
- /* from fbmem.c except for our own copy_*_user */
- if (!info || !info->screen_base)
- return -ENODEV;
-
if (p >= info->fix.smem_len)
return 0;
if (count >= info->fix.smem_len)
}
static ssize_t
-epson1355fb_write(struct file *file, const char *buf,
+epson1355fb_write(struct fb_info *info, const char *buf,
size_t count, loff_t * ppos)
{
- struct inode *inode = file->f_dentry->d_inode;
- int fbidx = iminor(inode);
- struct fb_info *info = registered_fb[fbidx];
unsigned long p = *ppos;
int err;
- /* from fbmem.c except for our own copy_*_user */
- if (!info || !info->screen_base)
- return -ENODEV;
-
/* from fbmem.c except for our own copy_*_user */
if (p > info->fix.smem_len)
return -ENOSPC;
fb_writeb(0, dst);
}
-static void epson1355fb_platform_release(struct device *device)
-{
-}
-
-static int epson1355fb_remove(struct device *device)
+static int epson1355fb_remove(struct platform_device *dev)
{
- struct fb_info *info = dev_get_drvdata(device);
+ struct fb_info *info = platform_get_drvdata(dev);
struct epson1355_par *par = info->par;
backlight_enable(0);
return 0;
}
-int __init epson1355fb_probe(struct device *device)
+int __devinit epson1355fb_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(device);
struct epson1355_par *default_par;
struct fb_info *info;
u8 revision;
goto bail;
}
- info = framebuffer_alloc(sizeof(struct epson1355_par) + sizeof(u32) * 256, &dev->dev);
- if (!info)
+ info = framebuffer_alloc(sizeof(struct epson1355_par), &dev->dev);
+ if (!info) {
rc = -ENOMEM;
goto bail;
+ }
default_par = info->par;
default_par->reg_addr = (unsigned long) ioremap(EPSON1355FB_REGS_PHYS, EPSON1355FB_REGS_LEN);
rc = -ENOMEM;
goto bail;
}
- info->pseudo_palette = (void *)(default_par + 1);
+ info->pseudo_palette = default_par->pseudo_palette;
info->screen_base = ioremap(EPSON1355FB_FB_PHYS, EPSON1355FB_FB_LEN);
if (!info->screen_base) {
/*
* Our driver data.
*/
- dev_set_drvdata(&dev->dev, info);
+ platform_set_drvdata(dev, info);
printk(KERN_INFO "fb%d: %s frame buffer device\n",
info->node, info->fix.id);
return 0;
bail:
- epson1355fb_remove(device);
+ epson1355fb_remove(dev);
return rc;
}
-static struct device_driver epson1355fb_driver = {
- .name = "epson1355fb",
- .bus = &platform_bus_type,
+static struct platform_driver epson1355fb_driver = {
.probe = epson1355fb_probe,
.remove = epson1355fb_remove,
+ .driver = {
+ .name = "epson1355fb",
+ },
};
-static struct platform_device epson1355fb_device = {
- .name = "epson1355fb",
- .id = 0,
- .dev = {
- .release = epson1355fb_platform_release,
- }
-};
+static struct platform_device *epson1355fb_device;
int __init epson1355fb_init(void)
{
if (fb_get_options("epson1355fb", NULL))
return -ENODEV;
- ret = driver_register(&epson1355fb_driver);
+ ret = platform_driver_register(&epson1355fb_driver);
+
if (!ret) {
- ret = platform_device_register(&epson1355fb_device);
- if (ret)
- driver_unregister(&epson1355fb_driver);
+ epson1355fb_device = platform_device_alloc("epson1355fb", 0);
+
+ if (epson1355fb_device)
+ ret = platform_device_add(epson1355fb_device);
+ else
+ ret = -ENOMEM;
+
+ if (ret) {
+ platform_device_put(epson1355fb_device);
+ platform_driver_unregister(&epson1355fb_driver);
+ }
}
+
return ret;
}
#ifdef MODULE
static void __exit epson1355fb_exit(void)
{
- platform_device_unregister(&epson1355fb_device);
- driver_unregister(&epson1355fb_driver);
+ platform_device_unregister(epson1355fb_device);
+ platform_driver_unregister(&epson1355fb_driver);
}
/* ------------------------------------------------------------------------- */