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