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path: root/drivers/video/bfin-t350mcqb-fb.c
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Diffstat (limited to 'drivers/video/bfin-t350mcqb-fb.c')
-rw-r--r--drivers/video/bfin-t350mcqb-fb.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 2549c53b26a0..5653d083a983 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -87,7 +87,6 @@ struct bfin_t350mcqbfb_info {
87 struct device *dev; 87 struct device *dev;
88 unsigned char *fb_buffer; /* RGB Buffer */ 88 unsigned char *fb_buffer; /* RGB Buffer */
89 dma_addr_t dma_handle; 89 dma_addr_t dma_handle;
90 int lq043_mmap;
91 int lq043_open_cnt; 90 int lq043_open_cnt;
92 int irq; 91 int irq;
93 spinlock_t lock; /* lock */ 92 spinlock_t lock; /* lock */
@@ -235,7 +234,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
235 spin_lock(&fbi->lock); 234 spin_lock(&fbi->lock);
236 235
237 fbi->lq043_open_cnt--; 236 fbi->lq043_open_cnt--;
238 fbi->lq043_mmap = 0;
239 237
240 if (fbi->lq043_open_cnt <= 0) { 238 if (fbi->lq043_open_cnt <= 0) {
241 bfin_t350mcqb_disable_ppi(); 239 bfin_t350mcqb_disable_ppi();
@@ -293,32 +291,6 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
293 return 0; 291 return 0;
294} 292}
295 293
296static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
297{
298 struct bfin_t350mcqbfb_info *fbi = info->par;
299
300 if (fbi->lq043_mmap)
301 return -1;
302
303 spin_lock(&fbi->lock);
304 fbi->lq043_mmap = 1;
305 spin_unlock(&fbi->lock);
306
307 vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET);
308
309 vma->vm_end = vma->vm_start + info->fix.smem_len;
310 /* For those who don't understand how mmap works, go read
311 * Documentation/nommu-mmap.txt.
312 * For those that do, you will know that the VM_MAYSHARE flag
313 * must be set in the vma->vm_flags structure on noMMU
314 * Other flags can be set, and are documented in
315 * include/linux/mm.h
316 */
317 vma->vm_flags |= VM_MAYSHARE | VM_SHARED;
318
319 return 0;
320}
321
322int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) 294int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
323{ 295{
324 if (nocursor) 296 if (nocursor)
@@ -370,7 +342,6 @@ static struct fb_ops bfin_t350mcqb_fb_ops = {
370 .fb_fillrect = cfb_fillrect, 342 .fb_fillrect = cfb_fillrect,
371 .fb_copyarea = cfb_copyarea, 343 .fb_copyarea = cfb_copyarea,
372 .fb_imageblit = cfb_imageblit, 344 .fb_imageblit = cfb_imageblit,
373 .fb_mmap = bfin_t350mcqb_fb_mmap,
374 .fb_cursor = bfin_t350mcqb_fb_cursor, 345 .fb_cursor = bfin_t350mcqb_fb_cursor,
375 .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, 346 .fb_setcolreg = bfin_t350mcqb_fb_setcolreg,
376}; 347};