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[PATCH] fbdev: hgafb: Convert to platform device

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- convert to platform device

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Antonino A. Daplas 2006-01-09 20:53:06 -08:00 committed by Linus Torvalds
parent 2a9f617026
commit 1d204ef3e4
1 changed files with 77 additions and 28 deletions
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105
drivers/video/hgafb.c
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@ -42,6 +42,7 @@
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <asm/vga.h>
@ -107,7 +108,7 @@ static DEFINE_SPINLOCK(hga_reg_lock);
/* Framebuffer driver structures */
static struct fb_var_screeninfo hga_default_var = {
static struct fb_var_screeninfo __initdata hga_default_var = {
.xres = 720,
.yres = 348,
.xres_virtual = 720,
@ -121,7 +122,7 @@ static struct fb_var_screeninfo hga_default_var = {
.width = -1,
};
static struct fb_fix_screeninfo hga_fix = {
static struct fb_fix_screeninfo __initdata hga_fix = {
.id = "HGA",
.type = FB_TYPE_PACKED_PIXELS, /* (not sure) */
.visual = FB_VISUAL_MONO10,
@ -131,8 +132,6 @@ static struct fb_fix_screeninfo hga_fix = {
.accel = FB_ACCEL_NONE
};
static struct fb_info fb_info;
/* Don't assume that tty1 will be the initial current console. */
static int release_io_port = 0;
static int release_io_ports = 0;
@ -549,10 +548,9 @@ static struct fb_ops hgafb_ops = {
* Initialization
*/
static int __init hgafb_init(void)
static int __init hgafb_probe(struct device *device)
{
if (fb_get_options("hgafb", NULL))
return -ENODEV;
struct fb_info *info;
if (! hga_card_detect()) {
printk(KERN_INFO "hgafb: HGA card not detected.\n");
@ -564,41 +562,95 @@ static int __init hgafb_init(void)
printk(KERN_INFO "hgafb: %s with %ldK of memory detected.\n",
hga_type_name, hga_vram_len/1024);
info = framebuffer_alloc(0, NULL);
if (!info) {
iounmap(hga_vram);
return -ENOMEM;
}
hga_fix.smem_start = (unsigned long)hga_vram;
hga_fix.smem_len = hga_vram_len;
fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
fb_info.var = hga_default_var;
fb_info.fix = hga_fix;
fb_info.monspecs.hfmin = 0;
fb_info.monspecs.hfmax = 0;
fb_info.monspecs.vfmin = 10000;
fb_info.monspecs.vfmax = 10000;
fb_info.monspecs.dpms = 0;
fb_info.fbops = &hgafb_ops;
fb_info.screen_base = hga_vram;
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
info->var = hga_default_var;
info->fix = hga_fix;
info->monspecs.hfmin = 0;
info->monspecs.hfmax = 0;
info->monspecs.vfmin = 10000;
info->monspecs.vfmax = 10000;
info->monspecs.dpms = 0;
info->fbops = &hgafb_ops;
info->screen_base = hga_vram;
if (register_framebuffer(&fb_info) < 0) {
if (register_framebuffer(info) < 0) {
framebuffer_release(info);
iounmap(hga_vram);
return -EINVAL;
}
printk(KERN_INFO "fb%d: %s frame buffer device\n",
fb_info.node, fb_info.fix.id);
info->node, info->fix.id);
dev_set_drvdata(device, info);
return 0;
}
#ifdef MODULE
static void __exit hgafb_exit(void)
static int hgafb_remove(struct device *device)
{
struct fb_info *info = dev_get_drvdata(device);
hga_txt_mode();
hga_clear_screen();
unregister_framebuffer(&fb_info);
if (info) {
unregister_framebuffer(info);
framebuffer_release(info);
}
iounmap(hga_vram);
if (release_io_ports) release_region(0x3b0, 12);
if (release_io_port) release_region(0x3bf, 1);
if (release_io_ports)
release_region(0x3b0, 12);
if (release_io_port)
release_region(0x3bf, 1);
return 0;
}
static struct device_driver hgafb_driver = {
.name = "hgafb",
.bus = &platform_bus_type,
.probe = hgafb_probe,
.remove = hgafb_remove,
};
static struct platform_device hgafb_device = {
.name = "hgafb",
};
static int __init hgafb_init(void)
{
int ret;
if (fb_get_options("hgafb", NULL))
return -ENODEV;
ret = driver_register(&hgafb_driver);
if (!ret) {
ret = platform_device_register(&hgafb_device);
if (ret)
driver_unregister(&hgafb_driver);
}
return ret;
}
static void __exit hgafb_exit(void)
{
platform_device_unregister(&hgafb_device);
driver_unregister(&hgafb_driver);
}
#endif
/* -------------------------------------------------------------------------
*
@ -613,7 +665,4 @@ MODULE_LICENSE("GPL");
module_param(nologo, bool, 0);
MODULE_PARM_DESC(nologo, "Disables startup logo if != 0 (default=0)");
module_init(hgafb_init);
#ifdef MODULE
module_exit(hgafb_exit);
#endif