diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/hgafb.c | 107 |
1 files changed, 78 insertions, 29 deletions
diff --git a/drivers/video/hgafb.c b/drivers/video/hgafb.c index b37cea7d109..4e39035cf33 100644 --- a/drivers/video/hgafb.c +++ b/drivers/video/hgafb.c @@ -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; - - if (register_framebuffer(&fb_info) < 0) { + 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(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 |