Update .gitignore files for generated targets
[linux-2.6.git] / drivers / video / imacfb.c
index 9366ef2..e69de29 100644 (file)
@@ -1,376 +0,0 @@
-/*
- * 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/screen_info.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/dmi.h>
-#include <linux/efi.h>
-
-#include <asm/io.h>
-
-#include <video/vga.h>
-
-typedef enum _MAC_TYPE {
-       M_I17,
-       M_I20,
-       M_MINI,
-       M_MACBOOK,
-       M_UNKNOWN
-} 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_UNKNOWN;
-static int manual_height;
-static int manual_width;
-
-static int set_system(const struct dmi_system_id *id)
-{
-       printk(KERN_INFO "imacfb: %s detected - set system to %ld\n",
-               id->ident, (long)id->driver_data);
-
-       model = (long)id->driver_data;
-
-       return 0;
-}
-
-static struct dmi_system_id __initdata dmi_system_table[] = {
-       { set_system, "iMac4,1", {
-         DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."),
-         DMI_MATCH(DMI_PRODUCT_NAME,"iMac4,1") }, (void*)M_I17},
-       { set_system, "MacBookPro1,1", {
-         DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."),
-         DMI_MATCH(DMI_PRODUCT_NAME,"MacBookPro1,1") }, (void*)M_I17},
-       { set_system, "MacBook1,1", {
-         DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."),
-         DMI_MATCH(DMI_PRODUCT_NAME,"MacBook1,1")}, (void *)M_MACBOOK},
-       { set_system, "Macmini1,1", {
-         DMI_MATCH(DMI_BIOS_VENDOR,"Apple Computer, Inc."),
-         DMI_MATCH(DMI_PRODUCT_NAME,"Macmini1,1")}, (void *)M_MINI},
-       {},
-};
-
-#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_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;
-
-       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;
-
-       if (!efi_enabled)
-               return -ENODEV;
-       if (!dmi_check_system(dmi_system_table))
-               return -ENODEV;
-       if (model == M_UNKNOWN)
-               return -ENODEV;
-
-       if (fb_get_options("imacfb", &option))
-               return -ENODEV;
-
-       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");