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-rw-r--r--drivers/video/sbuslib.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c
deleted file mode 100644
index a350209..0000000
--- a/drivers/video/sbuslib.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/* sbuslib.c: Helper library for SBUS framebuffer drivers.
- *
- * Copyright (C) 2003 David S. Miller (davem@redhat.com)
- */
-
-#include <linux/compat.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/fb.h>
-#include <linux/mm.h>
-#include <linux/uaccess.h>
-#include <linux/of_device.h>
-
-#include <asm/fbio.h>
-
-#include "sbuslib.h"
-
-void sbusfb_fill_var(struct fb_var_screeninfo *var, struct device_node *dp,
- int bpp)
-{
- memset(var, 0, sizeof(*var));
-
- var->xres = of_getintprop_default(dp, "width", 1152);
- var->yres = of_getintprop_default(dp, "height", 900);
- var->xres_virtual = var->xres;
- var->yres_virtual = var->yres;
- var->bits_per_pixel = bpp;
-}
-
-EXPORT_SYMBOL(sbusfb_fill_var);
-
-static unsigned long sbusfb_mmapsize(long size, unsigned long fbsize)
-{
- if (size == SBUS_MMAP_EMPTY) return 0;
- if (size >= 0) return size;
- return fbsize * (-size);
-}
-
-int sbusfb_mmap_helper(struct sbus_mmap_map *map,
- unsigned long physbase,
- unsigned long fbsize,
- unsigned long iospace,
- struct vm_area_struct *vma)
-{
- unsigned int size, page, r, map_size;
- unsigned long map_offset = 0;
- unsigned long off;
- int i;
-
- if (!(vma->vm_flags & (VM_SHARED | VM_MAYSHARE)))
- return -EINVAL;
-
- size = vma->vm_end - vma->vm_start;
- if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
- return -EINVAL;
-
- off = vma->vm_pgoff << PAGE_SHIFT;
-
- /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
- /* Each page, see which map applies */
- for (page = 0; page < size; ){
- map_size = 0;
- for (i = 0; map[i].size; i++)
- if (map[i].voff == off+page) {
- map_size = sbusfb_mmapsize(map[i].size, fbsize);
-#ifdef __sparc_v9__
-#define POFF_MASK (PAGE_MASK|0x1UL)
-#else
-#define POFF_MASK (PAGE_MASK)
-#endif
- map_offset = (physbase + map[i].poff) & POFF_MASK;
- break;
- }
- if (!map_size) {
- page += PAGE_SIZE;
- continue;
- }
- if (page + map_size > size)
- map_size = size - page;
- r = io_remap_pfn_range(vma,
- vma->vm_start + page,
- MK_IOSPACE_PFN(iospace,
- map_offset >> PAGE_SHIFT),
- map_size,
- vma->vm_page_prot);
- if (r)
- return -EAGAIN;
- page += map_size;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(sbusfb_mmap_helper);
-
-int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
- struct fb_info *info,
- int type, int fb_depth, unsigned long fb_size)
-{
- switch(cmd) {
- case FBIOGTYPE: {
- struct fbtype __user *f = (struct fbtype __user *) arg;
-
- if (put_user(type, &f->fb_type) ||
- __put_user(info->var.yres, &f->fb_height) ||
- __put_user(info->var.xres, &f->fb_width) ||
- __put_user(fb_depth, &f->fb_depth) ||
- __put_user(0, &f->fb_cmsize) ||
- __put_user(fb_size, &f->fb_cmsize))
- return -EFAULT;
- return 0;
- }
- case FBIOPUTCMAP_SPARC: {
- struct fbcmap __user *c = (struct fbcmap __user *) arg;
- struct fb_cmap cmap;
- u16 red, green, blue;
- u8 red8, green8, blue8;
- unsigned char __user *ured;
- unsigned char __user *ugreen;
- unsigned char __user *ublue;
- int index, count, i;
-
- if (get_user(index, &c->index) ||
- __get_user(count, &c->count) ||
- __get_user(ured, &c->red) ||
- __get_user(ugreen, &c->green) ||
- __get_user(ublue, &c->blue))
- return -EFAULT;
-
- cmap.len = 1;
- cmap.red = &red;
- cmap.green = &green;
- cmap.blue = &blue;
- cmap.transp = NULL;
- for (i = 0; i < count; i++) {
- int err;
-
- if (get_user(red8, &ured[i]) ||
- get_user(green8, &ugreen[i]) ||
- get_user(blue8, &ublue[i]))
- return -EFAULT;
-
- red = red8 << 8;
- green = green8 << 8;
- blue = blue8 << 8;
-
- cmap.start = index + i;
- err = fb_set_cmap(&cmap, info);
- if (err)
- return err;
- }
- return 0;
- }
- case FBIOGETCMAP_SPARC: {
- struct fbcmap __user *c = (struct fbcmap __user *) arg;
- unsigned char __user *ured;
- unsigned char __user *ugreen;
- unsigned char __user *ublue;
- struct fb_cmap *cmap = &info->cmap;
- int index, count, i;
- u8 red, green, blue;
-
- if (get_user(index, &c->index) ||
- __get_user(count, &c->count) ||
- __get_user(ured, &c->red) ||
- __get_user(ugreen, &c->green) ||
- __get_user(ublue, &c->blue))
- return -EFAULT;
-
- if (index + count > cmap->len)
- return -EINVAL;
-
- for (i = 0; i < count; i++) {
- red = cmap->red[index + i] >> 8;
- green = cmap->green[index + i] >> 8;
- blue = cmap->blue[index + i] >> 8;
- if (put_user(red, &ured[i]) ||
- put_user(green, &ugreen[i]) ||
- put_user(blue, &ublue[i]))
- return -EFAULT;
- }
- return 0;
- }
- default:
- return -EINVAL;
- }
-}
-EXPORT_SYMBOL(sbusfb_ioctl_helper);
-
-#ifdef CONFIG_COMPAT
-static int fbiogetputcmap(struct fb_info *info, unsigned int cmd, unsigned long arg)
-{
- struct fbcmap32 __user *argp = (void __user *)arg;
- struct fbcmap __user *p = compat_alloc_user_space(sizeof(*p));
- u32 addr;
- int ret;
-
- ret = copy_in_user(p, argp, 2 * sizeof(int));
- ret |= get_user(addr, &argp->red);
- ret |= put_user(compat_ptr(addr), &p->red);
- ret |= get_user(addr, &argp->green);
- ret |= put_user(compat_ptr(addr), &p->green);
- ret |= get_user(addr, &argp->blue);
- ret |= put_user(compat_ptr(addr), &p->blue);
- if (ret)
- return -EFAULT;
- return info->fbops->fb_ioctl(info,
- (cmd == FBIOPUTCMAP32) ?
- FBIOPUTCMAP_SPARC : FBIOGETCMAP_SPARC,
- (unsigned long)p);
-}
-
-static int fbiogscursor(struct fb_info *info, unsigned long arg)
-{
- struct fbcursor __user *p = compat_alloc_user_space(sizeof(*p));
- struct fbcursor32 __user *argp = (void __user *)arg;
- compat_uptr_t addr;
- int ret;
-
- ret = copy_in_user(p, argp,
- 2 * sizeof (short) + 2 * sizeof(struct fbcurpos));
- ret |= copy_in_user(&p->size, &argp->size, sizeof(struct fbcurpos));
- ret |= copy_in_user(&p->cmap, &argp->cmap, 2 * sizeof(int));
- ret |= get_user(addr, &argp->cmap.red);
- ret |= put_user(compat_ptr(addr), &p->cmap.red);
- ret |= get_user(addr, &argp->cmap.green);
- ret |= put_user(compat_ptr(addr), &p->cmap.green);
- ret |= get_user(addr, &argp->cmap.blue);
- ret |= put_user(compat_ptr(addr), &p->cmap.blue);
- ret |= get_user(addr, &argp->mask);
- ret |= put_user(compat_ptr(addr), &p->mask);
- ret |= get_user(addr, &argp->image);
- ret |= put_user(compat_ptr(addr), &p->image);
- if (ret)
- return -EFAULT;
- return info->fbops->fb_ioctl(info, FBIOSCURSOR, (unsigned long)p);
-}
-
-int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
-{
- switch (cmd) {
- case FBIOGTYPE:
- case FBIOSATTR:
- case FBIOGATTR:
- case FBIOSVIDEO:
- case FBIOGVIDEO:
- case FBIOGCURSOR32: /* This is not implemented yet.
- Later it should be converted... */
- case FBIOSCURPOS:
- case FBIOGCURPOS:
- case FBIOGCURMAX:
- return info->fbops->fb_ioctl(info, cmd, arg);
- case FBIOPUTCMAP32:
- return fbiogetputcmap(info, cmd, arg);
- case FBIOGETCMAP32:
- return fbiogetputcmap(info, cmd, arg);
- case FBIOSCURSOR32:
- return fbiogscursor(info, arg);
- default:
- return -ENOIOCTLCMD;
- }
-}
-EXPORT_SYMBOL(sbusfb_compat_ioctl);
-#endif
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