1 files changed, 345 insertions, 0 deletions
diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c
new file mode 100644
index 000000000000..7b1c168c834d
--- /dev/null
+++ b/drivers/video/imacfb.c
@@ -0,0 +1,345 @@
+/*
+ * framebuffer driver for Intel Based Mac's
+ *
+ * (c) 2006 Edgar Hucek <gimli@dark-green.com>
+ * Original imac driver written by Gerd Knorr <kraxel@goldbach.in-berlin.de>
+ *
+ */
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fb.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/tty.h>
+#include <asm/io.h>
+#include <video/vga.h>
+typedef enum _MAC_TYPE {
+        M_I17,
+        M_I20,
+        M_MINI,
+        M_MACBOOK,
+        M_NEW
+} MAC_TYPE;
+/* --------------------------------------------------------------------- */
+static struct fb_var_screeninfo imacfb_defined __initdata = {
+        .activate               = FB_ACTIVATE_NOW,
+        .height                 = -1,
+        .width                  = -1,
+        .right_margin           = 32,
+        .upper_margin           = 16,
+        .lower_margin           = 4,
+        .vsync_len              = 4,
+        .vmode                  = FB_VMODE_NONINTERLACED,
+};
+static struct fb_fix_screeninfo imacfb_fix __initdata = {
+        .id                     = "IMAC VGA",
+        .type                   = FB_TYPE_PACKED_PIXELS,
+        .accel                  = FB_ACCEL_NONE,
+        .visual                 = FB_VISUAL_TRUECOLOR,
+};
+static int inverse;
+static int model                = M_NEW;
+static int manual_height;
+static int manual_width;
+#define DEFAULT_FB_MEM  1024*1024*16
+/* --------------------------------------------------------------------- */
+static int imacfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+                            unsigned blue, unsigned transp,
+                            struct fb_info *info)
+{
+        /*
+         *  Set a single color register. The values supplied are
+         *  already rounded down to the hardware's capabilities
+         *  (according to the entries in the `var' structure). Return
+         *  != 0 for invalid regno.
+         */
+        if (regno >= info->cmap.len)
+                return 1;
+        if (regno < 16) {
+                red   >>= 8;
+                green >>= 8;
+                blue  >>= 8;
+                ((u32 *)(info->pseudo_palette))[regno] =
+                        (red   << info->var.red.offset)   |
+                        (green << info->var.green.offset) |
+                        (blue  << info->var.blue.offset);
+        }
+        return 0;
+}
+static struct fb_ops imacfb_ops = {
+        .owner          = THIS_MODULE,
+        .fb_setcolreg   = imacfb_setcolreg,
+        .fb_fillrect    = cfb_fillrect,
+        .fb_copyarea    = cfb_copyarea,
+        .fb_imageblit   = cfb_imageblit,
+};
+static int __init imacfb_setup(char *options)
+{
+        char *this_opt;
+        if (!options || !*options)
+                return 0;
+        while ((this_opt = strsep(&options, ",")) != NULL) {
+                if (!*this_opt) continue;
+                if (!strcmp(this_opt, "inverse"))
+                        inverse = 1;
+                else if (!strcmp(this_opt, "i17"))
+                        model = M_I17;
+                else if (!strcmp(this_opt, "i20"))
+                        model = M_I20;
+                else if (!strcmp(this_opt, "mini"))
+                        model = M_MINI;
+                else if (!strcmp(this_opt, "macbook"))
+                        model = M_MACBOOK;
+                else if (!strncmp(this_opt, "height:", 7))
+                        manual_height = simple_strtoul(this_opt+7, NULL, 0);
+                else if (!strncmp(this_opt, "width:", 6))
+                        manual_width = simple_strtoul(this_opt+6, NULL, 0);
+        }
+        return 0;
+}
+static int __init imacfb_probe(struct platform_device *dev)
+{
+        struct fb_info *info;
+        int err;
+        unsigned int size_vmode;
+        unsigned int size_remap;
+        unsigned int size_total;
+        screen_info.lfb_depth = 32;
+        screen_info.lfb_size = DEFAULT_FB_MEM / 0x10000;
+        screen_info.pages=1;
+        screen_info.blue_size = 8;
+        screen_info.blue_pos = 0;
+        screen_info.green_size = 8;
+        screen_info.green_pos = 8;
+        screen_info.red_size = 8;
+        screen_info.red_pos = 16;
+        screen_info.rsvd_size = 8;
+        screen_info.rsvd_pos = 24;
+        switch (model) {
+        case M_I17:
+                screen_info.lfb_width = 1440;
+                screen_info.lfb_height = 900;
+                screen_info.lfb_linelength = 1472 * 4;
+                screen_info.lfb_base = 0x80010000;
+                break;
+        case M_NEW:
+        case M_I20:
+                screen_info.lfb_width = 1680;
+                screen_info.lfb_height = 1050;
+                screen_info.lfb_linelength = 1728 * 4;
+                screen_info.lfb_base = 0x80010000;
+                break;
+        case M_MINI:
+                screen_info.lfb_width = 1024;
+                screen_info.lfb_height = 768;
+                screen_info.lfb_linelength = 2048 * 4;
+                screen_info.lfb_base = 0x80000000;
+                break;
+        case M_MACBOOK:
+                screen_info.lfb_width = 1280;
+                screen_info.lfb_height = 800;
+                screen_info.lfb_linelength = 2048 * 4;
+                screen_info.lfb_base = 0x80000000;
+                break;
+        }
+        /* if the user wants to manually specify height/width,
+           we will override the defaults */
+        /* TODO: eventually get auto-detection working */
+        if (manual_height > 0)
+                screen_info.lfb_height = manual_height;
+        if (manual_width > 0)
+                screen_info.lfb_width = manual_width;
+        imacfb_fix.smem_start = screen_info.lfb_base;
+        imacfb_defined.bits_per_pixel = screen_info.lfb_depth;
+        imacfb_defined.xres = screen_info.lfb_width;
+        imacfb_defined.yres = screen_info.lfb_height;
+        imacfb_fix.line_length = screen_info.lfb_linelength;
+        /*   size_vmode -- that is the amount of memory needed for the
+         *                 used video mode, i.e. the minimum amount of
+         *                 memory we need. */
+        size_vmode = imacfb_defined.yres * imacfb_fix.line_length;
+        /*   size_total -- all video memory we have. Used for
+         *                 entries, ressource allocation and bounds
+         *                 checking. */
+        size_total = screen_info.lfb_size * 65536;
+        if (size_total < size_vmode)
+                size_total = size_vmode;
+        /*   size_remap -- the amount of video memory we are going to
+         *                 use for imacfb.  With modern cards it is no
+         *                 option to simply use size_total as that
+         *                 wastes plenty of kernel address space. */
+        size_remap  = size_vmode * 2;
+        if (size_remap < size_vmode)
+                size_remap = size_vmode;
+        if (size_remap > size_total)
+                size_remap = size_total;
+        imacfb_fix.smem_len = size_remap;
+#ifndef __i386__
+        screen_info.imacpm_seg = 0;
+#endif
+        if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) {
+                printk(KERN_WARNING
+                       "imacfb: cannot reserve video memory at 0x%lx\n",
+                        imacfb_fix.smem_start);
+                /* We cannot make this fatal. Sometimes this comes from magic
+                   spaces our resource handlers simply don't know about */
+        }
+        info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
+        if (!info) {
+                err = -ENOMEM;
+                goto err_release_mem;
+        }
+        info->pseudo_palette = info->par;
+        info->par = NULL;
+        info->screen_base = ioremap(imacfb_fix.smem_start, imacfb_fix.smem_len);
+        if (!info->screen_base) {
+                printk(KERN_ERR "imacfb: abort, cannot ioremap video memory "
+                                "0x%x @ 0x%lx\n",
+                        imacfb_fix.smem_len, imacfb_fix.smem_start);
+                err = -EIO;
+                goto err_unmap;
+        }
+        printk(KERN_INFO "imacfb: framebuffer at 0x%lx, mapped to 0x%p, "
+               "using %dk, total %dk\n",
+               imacfb_fix.smem_start, info->screen_base,
+               size_remap/1024, size_total/1024);
+        printk(KERN_INFO "imacfb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
+               imacfb_defined.xres, imacfb_defined.yres,
+               imacfb_defined.bits_per_pixel, imacfb_fix.line_length,
+               screen_info.pages);
+        imacfb_defined.xres_virtual = imacfb_defined.xres;
+        imacfb_defined.yres_virtual = imacfb_fix.smem_len /
+                                        imacfb_fix.line_length;
+        printk(KERN_INFO "imacfb: scrolling: redraw\n");
+        imacfb_defined.yres_virtual = imacfb_defined.yres;
+        /* some dummy values for timing to make fbset happy */
+        imacfb_defined.pixclock     = 10000000 / imacfb_defined.xres *
+                                        1000 / imacfb_defined.yres;
+        imacfb_defined.left_margin  = (imacfb_defined.xres / 8) & 0xf8;
+        imacfb_defined.hsync_len    = (imacfb_defined.xres / 8) & 0xf8;
+        imacfb_defined.red.offset    = screen_info.red_pos;
+        imacfb_defined.red.length    = screen_info.red_size;
+        imacfb_defined.green.offset  = screen_info.green_pos;
+        imacfb_defined.green.length  = screen_info.green_size;
+        imacfb_defined.blue.offset   = screen_info.blue_pos;
+        imacfb_defined.blue.length   = screen_info.blue_size;
+        imacfb_defined.transp.offset = screen_info.rsvd_pos;
+        imacfb_defined.transp.length = screen_info.rsvd_size;
+        printk(KERN_INFO "imacfb: %s: "
+               "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
+               "Truecolor",
+               screen_info.rsvd_size,
+               screen_info.red_size,
+               screen_info.green_size,
+               screen_info.blue_size,
+               screen_info.rsvd_pos,
+               screen_info.red_pos,
+               screen_info.green_pos,
+               screen_info.blue_pos);
+        imacfb_fix.ypanstep  = 0;
+        imacfb_fix.ywrapstep = 0;
+        /* request failure does not faze us, as vgacon probably has this
+         * region already (FIXME) */
+        request_region(0x3c0, 32, "imacfb");
+        info->fbops = &imacfb_ops;
+        info->var = imacfb_defined;
+        info->fix = imacfb_fix;
+        info->flags = FBINFO_FLAG_DEFAULT;
+        if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
+                err = -ENOMEM;
+                goto err_unmap;
+        }
+        if (register_framebuffer(info)<0) {
+                err = -EINVAL;
+                goto err_fb_dealoc;
+        }
+        printk(KERN_INFO "fb%d: %s frame buffer device\n",
+               info->node, info->fix.id);
+        return 0;
+err_fb_dealoc:
+        fb_dealloc_cmap(&info->cmap);
+err_unmap:
+        iounmap(info->screen_base);
+        framebuffer_release(info);
+err_release_mem:
+        release_mem_region(imacfb_fix.smem_start, size_total);
+        return err;
+}
+static struct platform_driver imacfb_driver = {
+        .probe  = imacfb_probe,
+        .driver = {
+                .name   = "imacfb",
+        },
+};
+static struct platform_device imacfb_device = {
+        .name   = "imacfb",
+};
+static int __init imacfb_init(void)
+{
+        int ret;
+        char *option = NULL;
+        /* ignore error return of fb_get_options */
+        fb_get_options("imacfb", &option);
+        imacfb_setup(option);
+        ret = platform_driver_register(&imacfb_driver);
+        if (!ret) {
+                ret = platform_device_register(&imacfb_device);
+                if (ret)
+                        platform_driver_unregister(&imacfb_driver);
+        }
+        return ret;
+}
+module_init(imacfb_init);
+MODULE_LICENSE("GPL");

diff --git a/drivers/video/imacfb.c b/drivers/video/imacfb.c new file mode 100644 index 000000000000..7b1c168c834d --- /dev/null +++ b/drivers/video/imacfb.c
@@ -0,0 +1,345 @@
	1	/*
	2	* framebuffer driver for Intel Based Mac's
	3	*
	4	* (c) 2006 Edgar Hucek <gimli@dark-green.com>
	5	* Original imac driver written by Gerd Knorr <kraxel@goldbach.in-berlin.de>
	6	*
	7	*/
	8
	9	#include <linux/delay.h>
	10	#include <linux/errno.h>
	11	#include <linux/fb.h>
	12	#include <linux/kernel.h>
	13	#include <linux/init.h>
	14	#include <linux/ioport.h>
	15	#include <linux/mm.h>
	16	#include <linux/module.h>
	17	#include <linux/platform_device.h>
	18	#include <linux/slab.h>
	19	#include <linux/string.h>
	20	#include <linux/tty.h>
	21
	22	#include <asm/io.h>
	23
	24	#include <video/vga.h>
	25
	26	typedef enum _MAC_TYPE {
	27	M_I17,
	28	M_I20,
	29	M_MINI,
	30	M_MACBOOK,
	31	M_NEW
	32	} MAC_TYPE;
	33
	34	/* --------------------------------------------------------------------- */
	35
	36	static struct fb_var_screeninfo imacfb_defined __initdata = {
	37	.activate = FB_ACTIVATE_NOW,
	38	.height = -1,
	39	.width = -1,
	40	.right_margin = 32,
	41	.upper_margin = 16,
	42	.lower_margin = 4,
	43	.vsync_len = 4,
	44	.vmode = FB_VMODE_NONINTERLACED,
	45	};
	46
	47	static struct fb_fix_screeninfo imacfb_fix __initdata = {
	48	.id = "IMAC VGA",
	49	.type = FB_TYPE_PACKED_PIXELS,
	50	.accel = FB_ACCEL_NONE,
	51	.visual = FB_VISUAL_TRUECOLOR,
	52	};
	53
	54	static int inverse;
	55	static int model = M_NEW;
	56	static int manual_height;
	57	static int manual_width;
	58
	59	#define DEFAULT_FB_MEM 1024102416
	60
	61	/* --------------------------------------------------------------------- */
	62
	63	static int imacfb_setcolreg(unsigned regno, unsigned red, unsigned green,
	64	unsigned blue, unsigned transp,
	65	struct fb_info *info)
	66	{
	67	/*
	68	* Set a single color register. The values supplied are
	69	* already rounded down to the hardware's capabilities
	70	* (according to the entries in the `var' structure). Return
	71	* != 0 for invalid regno.
	72	*/
	73
	74	if (regno >= info->cmap.len)
	75	return 1;
	76
	77	if (regno < 16) {
	78	red >>= 8;
	79	green >>= 8;
	80	blue >>= 8;
	81	((u32 *)(info->pseudo_palette))[regno] =
	82	(red << info->var.red.offset) \|
	83	(green << info->var.green.offset) \|
	84	(blue << info->var.blue.offset);
	85	}
	86	return 0;
	87	}
	88
	89	static struct fb_ops imacfb_ops = {
	90	.owner = THIS_MODULE,
	91	.fb_setcolreg = imacfb_setcolreg,
	92	.fb_fillrect = cfb_fillrect,
	93	.fb_copyarea = cfb_copyarea,
	94	.fb_imageblit = cfb_imageblit,
	95	};
	96
	97	static int __init imacfb_setup(char *options)
	98	{
	99	char *this_opt;
	100
	101	if (!options \|\| !*options)
	102	return 0;
	103
	104	while ((this_opt = strsep(&options, ",")) != NULL) {
	105	if (!*this_opt) continue;
	106
	107	if (!strcmp(this_opt, "inverse"))
	108	inverse = 1;
	109	else if (!strcmp(this_opt, "i17"))
	110	model = M_I17;
	111	else if (!strcmp(this_opt, "i20"))
	112	model = M_I20;
	113	else if (!strcmp(this_opt, "mini"))
	114	model = M_MINI;
	115	else if (!strcmp(this_opt, "macbook"))
	116	model = M_MACBOOK;
	117	else if (!strncmp(this_opt, "height:", 7))
	118	manual_height = simple_strtoul(this_opt+7, NULL, 0);
	119	else if (!strncmp(this_opt, "width:", 6))
	120	manual_width = simple_strtoul(this_opt+6, NULL, 0);
	121	}
	122	return 0;
	123	}
	124
	125	static int __init imacfb_probe(struct platform_device *dev)
	126	{
	127	struct fb_info *info;
	128	int err;
	129	unsigned int size_vmode;
	130	unsigned int size_remap;
	131	unsigned int size_total;
	132
	133	screen_info.lfb_depth = 32;
	134	screen_info.lfb_size = DEFAULT_FB_MEM / 0x10000;
	135	screen_info.pages=1;
	136	screen_info.blue_size = 8;
	137	screen_info.blue_pos = 0;
	138	screen_info.green_size = 8;
	139	screen_info.green_pos = 8;
	140	screen_info.red_size = 8;
	141	screen_info.red_pos = 16;
	142	screen_info.rsvd_size = 8;
	143	screen_info.rsvd_pos = 24;
	144
	145	switch (model) {
	146	case M_I17:
	147	screen_info.lfb_width = 1440;
	148	screen_info.lfb_height = 900;
	149	screen_info.lfb_linelength = 1472 * 4;
	150	screen_info.lfb_base = 0x80010000;
	151	break;
	152	case M_NEW:
	153	case M_I20:
	154	screen_info.lfb_width = 1680;
	155	screen_info.lfb_height = 1050;
	156	screen_info.lfb_linelength = 1728 * 4;
	157	screen_info.lfb_base = 0x80010000;
	158	break;
	159	case M_MINI:
	160	screen_info.lfb_width = 1024;
	161	screen_info.lfb_height = 768;
	162	screen_info.lfb_linelength = 2048 * 4;
	163	screen_info.lfb_base = 0x80000000;
	164	break;
	165	case M_MACBOOK:
	166	screen_info.lfb_width = 1280;
	167	screen_info.lfb_height = 800;
	168	screen_info.lfb_linelength = 2048 * 4;
	169	screen_info.lfb_base = 0x80000000;
	170	break;
	171	}
	172
	173	/* if the user wants to manually specify height/width,
	174	we will override the defaults */
	175	/* TODO: eventually get auto-detection working */
	176	if (manual_height > 0)
	177	screen_info.lfb_height = manual_height;
	178	if (manual_width > 0)
	179	screen_info.lfb_width = manual_width;
	180
	181	imacfb_fix.smem_start = screen_info.lfb_base;
	182	imacfb_defined.bits_per_pixel = screen_info.lfb_depth;
	183	imacfb_defined.xres = screen_info.lfb_width;
	184	imacfb_defined.yres = screen_info.lfb_height;
	185	imacfb_fix.line_length = screen_info.lfb_linelength;
	186
	187	/* size_vmode -- that is the amount of memory needed for the
	188	* used video mode, i.e. the minimum amount of
	189	* memory we need. */
	190	size_vmode = imacfb_defined.yres * imacfb_fix.line_length;
	191
	192	/* size_total -- all video memory we have. Used for
	193	* entries, ressource allocation and bounds
	194	* checking. */
	195	size_total = screen_info.lfb_size * 65536;
	196	if (size_total < size_vmode)
	197	size_total = size_vmode;
	198
	199	/* size_remap -- the amount of video memory we are going to
	200	* use for imacfb. With modern cards it is no
	201	* option to simply use size_total as that
	202	* wastes plenty of kernel address space. */
	203	size_remap = size_vmode * 2;
	204	if (size_remap < size_vmode)
	205	size_remap = size_vmode;
	206	if (size_remap > size_total)
	207	size_remap = size_total;
	208	imacfb_fix.smem_len = size_remap;
	209
	210	#ifndef __i386__
	211	screen_info.imacpm_seg = 0;
	212	#endif
	213
	214	if (!request_mem_region(imacfb_fix.smem_start, size_total, "imacfb")) {
	215	printk(KERN_WARNING
	216	"imacfb: cannot reserve video memory at 0x%lx\n",
	217	imacfb_fix.smem_start);
	218	/* We cannot make this fatal. Sometimes this comes from magic
	219	spaces our resource handlers simply don't know about */
	220	}
	221
	222	info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
	223	if (!info) {
	224	err = -ENOMEM;
	225	goto err_release_mem;
	226	}
	227	info->pseudo_palette = info->par;
	228	info->par = NULL;
	229
	230	info->screen_base = ioremap(imacfb_fix.smem_start, imacfb_fix.smem_len);
	231	if (!info->screen_base) {
	232	printk(KERN_ERR "imacfb: abort, cannot ioremap video memory "
	233	"0x%x @ 0x%lx\n",
	234	imacfb_fix.smem_len, imacfb_fix.smem_start);
	235	err = -EIO;
	236	goto err_unmap;
	237	}
	238
	239	printk(KERN_INFO "imacfb: framebuffer at 0x%lx, mapped to 0x%p, "
	240	"using %dk, total %dk\n",
	241	imacfb_fix.smem_start, info->screen_base,
	242	size_remap/1024, size_total/1024);
	243	printk(KERN_INFO "imacfb: mode is %dx%dx%d, linelength=%d, pages=%d\n",
	244	imacfb_defined.xres, imacfb_defined.yres,
	245	imacfb_defined.bits_per_pixel, imacfb_fix.line_length,
	246	screen_info.pages);
	247
	248	imacfb_defined.xres_virtual = imacfb_defined.xres;
	249	imacfb_defined.yres_virtual = imacfb_fix.smem_len /
	250	imacfb_fix.line_length;
	251	printk(KERN_INFO "imacfb: scrolling: redraw\n");
	252	imacfb_defined.yres_virtual = imacfb_defined.yres;
	253
	254	/* some dummy values for timing to make fbset happy */
	255	imacfb_defined.pixclock = 10000000 / imacfb_defined.xres *
	256	1000 / imacfb_defined.yres;
	257	imacfb_defined.left_margin = (imacfb_defined.xres / 8) & 0xf8;
	258	imacfb_defined.hsync_len = (imacfb_defined.xres / 8) & 0xf8;
	259
	260	imacfb_defined.red.offset = screen_info.red_pos;
	261	imacfb_defined.red.length = screen_info.red_size;
	262	imacfb_defined.green.offset = screen_info.green_pos;
	263	imacfb_defined.green.length = screen_info.green_size;
	264	imacfb_defined.blue.offset = screen_info.blue_pos;
	265	imacfb_defined.blue.length = screen_info.blue_size;
	266	imacfb_defined.transp.offset = screen_info.rsvd_pos;
	267	imacfb_defined.transp.length = screen_info.rsvd_size;
	268
	269	printk(KERN_INFO "imacfb: %s: "
	270	"size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n",
	271	"Truecolor",
	272	screen_info.rsvd_size,
	273	screen_info.red_size,
	274	screen_info.green_size,
	275	screen_info.blue_size,
	276	screen_info.rsvd_pos,
	277	screen_info.red_pos,
	278	screen_info.green_pos,
	279	screen_info.blue_pos);
	280
	281	imacfb_fix.ypanstep = 0;
	282	imacfb_fix.ywrapstep = 0;
	283
	284	/* request failure does not faze us, as vgacon probably has this
	285	* region already (FIXME) */
	286	request_region(0x3c0, 32, "imacfb");
	287
	288	info->fbops = &imacfb_ops;
	289	info->var = imacfb_defined;
	290	info->fix = imacfb_fix;
	291	info->flags = FBINFO_FLAG_DEFAULT;
	292
	293	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
	294	err = -ENOMEM;
	295	goto err_unmap;
	296	}
	297	if (register_framebuffer(info)<0) {
	298	err = -EINVAL;
	299	goto err_fb_dealoc;
	300	}
	301	printk(KERN_INFO "fb%d: %s frame buffer device\n",
	302	info->node, info->fix.id);
	303	return 0;
	304
	305	err_fb_dealoc:
	306	fb_dealloc_cmap(&info->cmap);
	307	err_unmap:
	308	iounmap(info->screen_base);
	309	framebuffer_release(info);
	310	err_release_mem:
	311	release_mem_region(imacfb_fix.smem_start, size_total);
	312	return err;
	313	}
	314
	315	static struct platform_driver imacfb_driver = {
	316	.probe = imacfb_probe,
	317	.driver = {
	318	.name = "imacfb",
	319	},
	320	};
	321
	322	static struct platform_device imacfb_device = {
	323	.name = "imacfb",
	324	};
	325
	326	static int __init imacfb_init(void)
	327	{
	328	int ret;
	329	char *option = NULL;
	330
	331	/* ignore error return of fb_get_options */
	332	fb_get_options("imacfb", &option);
	333	imacfb_setup(option);
	334	ret = platform_driver_register(&imacfb_driver);
	335
	336	if (!ret) {
	337	ret = platform_device_register(&imacfb_device);
	338	if (ret)
	339	platform_driver_unregister(&imacfb_driver);
	340	}
	341	return ret;
	342	}
	343	module_init(imacfb_init);
	344
	345	MODULE_LICENSE("GPL");