fbdev: move FBIO_WAITFORVSYNC to linux/fb.h

[safe/jmp/linux-2.6] / drivers / video / bfin-t350mcqb-fb.c

diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 5cc36cf..c2ec3dc 100644 (file)
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -32,6 +32,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/string.h>
+#include <linux/gfp.h>
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/types.h>
@@ -87,7 +88,6 @@ struct bfin_t350mcqbfb_info {
        struct device *dev;
        unsigned char *fb_buffer;       /* RGB Buffer */
        dma_addr_t dma_handle;
-       int lq043_mmap;
        int lq043_open_cnt;
        int irq;
        spinlock_t lock;        /* lock */
@@ -235,7 +235,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
        spin_lock(&fbi->lock);
 
        fbi->lq043_open_cnt--;
-       fbi->lq043_mmap = 0;
 
        if (fbi->lq043_open_cnt <= 0) {
                bfin_t350mcqb_disable_ppi();
@@ -293,32 +292,6 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
        return 0;
 }
 
-static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-       struct bfin_t350mcqbfb_info *fbi = info->par;
-
-       if (fbi->lq043_mmap)
-               return -1;
-
-       spin_lock(&fbi->lock);
-       fbi->lq043_mmap = 1;
-       spin_unlock(&fbi->lock);
-
-       vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET);
-
-       vma->vm_end = vma->vm_start + info->fix.smem_len;
-       /* For those who don't understand how mmap works, go read
-        *   Documentation/nommu-mmap.txt.
-        * For those that do, you will know that the VM_MAYSHARE flag
-        * must be set in the vma->vm_flags structure on noMMU
-        *   Other flags can be set, and are documented in
-        *   include/linux/mm.h
-        */
-       vma->vm_flags |= VM_MAYSHARE | VM_SHARED;
-
-       return 0;
-}
-
 int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
        if (nocursor)
@@ -370,7 +343,6 @@ static struct fb_ops bfin_t350mcqb_fb_ops = {
        .fb_fillrect = cfb_fillrect,
        .fb_copyarea = cfb_copyarea,
        .fb_imageblit = cfb_imageblit,
-       .fb_mmap = bfin_t350mcqb_fb_mmap,
        .fb_cursor = bfin_t350mcqb_fb_cursor,
        .fb_setcolreg = bfin_t350mcqb_fb_setcolreg,
 };
@@ -381,7 +353,7 @@ static int bl_get_brightness(struct backlight_device *bd)
        return 0;
 }
 
-static struct backlight_ops bfin_lq043fb_bl_ops = {
+static const struct backlight_ops bfin_lq043fb_bl_ops = {
        .get_brightness = bl_get_brightness,
 };
 
@@ -448,6 +420,7 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
 
 static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 {
+       struct backlight_properties props;
        struct bfin_t350mcqbfb_info *info;
        struct fb_info *fbinfo;
        int ret;
@@ -487,8 +460,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 
        fbinfo->var.nonstd = 0;
        fbinfo->var.activate = FB_ACTIVATE_NOW;
-       fbinfo->var.height = -1;
-       fbinfo->var.width = -1;
+       fbinfo->var.height = 53;
+       fbinfo->var.width = 70;
        fbinfo->var.accel_flags = 0;
        fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
 
@@ -515,9 +488,9 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
        fbinfo->fbops = &bfin_t350mcqb_fb_ops;
        fbinfo->flags = FBINFO_FLAG_DEFAULT;
 
-       info->fb_buffer =
-           dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
-                              GFP_KERNEL);
+       info->fb_buffer = dma_alloc_coherent(NULL, fbinfo->fix.smem_len +
+                               ACTIVE_VIDEO_MEM_OFFSET,
+                               &info->dma_handle, GFP_KERNEL);
 
        if (NULL == info->fb_buffer) {
                printk(KERN_ERR DRIVER_NAME
@@ -569,10 +542,16 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
                goto out8;
        }
 #ifndef NO_BL_SUPPORT
-       bl_dev =
-           backlight_device_register("bf52x-bl", NULL, NULL,
-                                     &bfin_lq043fb_bl_ops);
-       bl_dev->props.max_brightness = 255;
+       memset(&props, 0, sizeof(struct backlight_properties));
+       props.max_brightness = 255;
+       bl_dev = backlight_device_register("bf52x-bl", NULL, NULL,
+                                          &bfin_lq043fb_bl_ops, &props);
+       if (IS_ERR(bl_dev)) {
+               printk(KERN_ERR DRIVER_NAME
+                       ": unable to register backlight.\n");
+               ret = -EINVAL;
+               goto out9;
+       }
 
        lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
        lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
@@ -580,6 +559,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 
        return 0;
 
+out9:
+       unregister_framebuffer(fbinfo);
 out8:
        free_irq(info->irq, info);
 out7:
@@ -587,8 +568,8 @@ out7:
 out6:
        fb_dealloc_cmap(&fbinfo->cmap);
 out4:
-       dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
-                         info->dma_handle);
+       dma_free_coherent(NULL, fbinfo->fix.smem_len + ACTIVE_VIDEO_MEM_OFFSET,
+                        info->fb_buffer, info->dma_handle);
 out3:
        framebuffer_release(fbinfo);
 out2:
@@ -611,8 +592,9 @@ static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
        free_irq(info->irq, info);
 
        if (info->fb_buffer != NULL)
-               dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
-                                 info->dma_handle);
+               dma_free_coherent(NULL, fbinfo->fix.smem_len +
+                       ACTIVE_VIDEO_MEM_OFFSET, info->fb_buffer,
+                       info->dma_handle);
 
        fb_dealloc_cmap(&fbinfo->cmap);
 
@@ -634,17 +616,35 @@ static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
 static int bfin_t350mcqb_suspend(struct platform_device *pdev, pm_message_t state)
 {
-       bfin_t350mcqb_disable_ppi();
-       disable_dma(CH_PPI);
-       bfin_write_PPI_STATUS(0xFFFF);
+       struct fb_info *fbinfo = platform_get_drvdata(pdev);
+       struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
+
+       if (fbi->lq043_open_cnt) {
+               bfin_t350mcqb_disable_ppi();
+               disable_dma(CH_PPI);
+               bfin_t350mcqb_stop_timers();
+               bfin_write_PPI_STATUS(-1);
+       }
+
 
        return 0;
 }
 
 static int bfin_t350mcqb_resume(struct platform_device *pdev)
 {
-       enable_dma(CH_PPI);
-       bfin_t350mcqb_enable_ppi();
+       struct fb_info *fbinfo = platform_get_drvdata(pdev);
+       struct bfin_t350mcqbfb_info *fbi = fbinfo->par;
+
+       if (fbi->lq043_open_cnt) {
+               bfin_t350mcqb_config_dma(fbi);
+               bfin_t350mcqb_config_ppi(fbi);
+               bfin_t350mcqb_init_timers();
+
+               /* start dma */
+               enable_dma(CH_PPI);
+               bfin_t350mcqb_enable_ppi();
+               bfin_t350mcqb_start_timers();
+       }
 
        return 0;
 }