drm: set permissions on edid file to 0444

[safe/jmp/linux-2.6] / drivers / video / bf54x-lq043fb.c

diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 836746f..37e60b1 100644 (file)
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -8,7 +8,7 @@
  *
  *
  * Modified:
- *               Copyright 2004-2007 Analog Devices Inc.
+ *               Copyright 2007-2008 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *
@@ -58,7 +58,7 @@
 #include <asm/gpio.h>
 #include <asm/portmux.h>
 
-#include <asm/mach/bf54x-lq043.h>
+#include <mach/bf54x-lq043.h>
 
 #define NO_BL_SUPPORT
 
@@ -335,8 +335,21 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
                                   struct fb_info *info)
 {
 
-       if (var->bits_per_pixel != LCD_BPP) {
-               pr_debug("%s: depth not supported: %u BPP\n", __FUNCTION__,
+       switch (var->bits_per_pixel) {
+       case 24:/* TRUECOLOUR, 16m */
+               var->red.offset = 16;
+               var->green.offset = 8;
+               var->blue.offset = 0;
+               var->red.length = var->green.length = var->blue.length = 8;
+               var->transp.offset = 0;
+               var->transp.length = 0;
+               var->transp.msb_right = 0;
+               var->red.msb_right = 0;
+               var->green.msb_right = 0;
+               var->blue.msb_right = 0;
+               break;
+       default:
+               pr_debug("%s: depth not supported: %u BPP\n", __func__,
                         var->bits_per_pixel);
                return -EINVAL;
        }
@@ -345,7 +358,7 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
            info->var.xres_virtual != var->xres_virtual ||
            info->var.yres_virtual != var->yres_virtual) {
                pr_debug("%s: Resolution not supported: X%u x Y%u \n",
-                        __FUNCTION__, var->xres, var->yres);
+                        __func__, var->xres, var->yres);
                return -EINVAL;
        }
 
@@ -355,7 +368,7 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
 
        if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
                pr_debug("%s: Memory Limit requested yres_virtual = %u\n",
-                        __FUNCTION__, var->yres_virtual);
+                        __func__, var->yres_virtual);
                return -ENOMEM;
        }
 
@@ -384,7 +397,7 @@ static int bfin_bf54x_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
         *   Other flags can be set, and are documented in
         *   include/linux/mm.h
         */
-       vma->vm_flags |= VM_MAYSHARE;
+       vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
 
        return 0;
 }
@@ -478,7 +491,7 @@ static int bfin_lcd_set_contrast(struct lcd_device *dev, int contrast)
        return 0;
 }
 
-static int bfin_lcd_check_fb(struct fb_info *fi)
+static int bfin_lcd_check_fb(struct lcd_device *dev, struct fb_info *fi)
 {
        if (!fi || (fi == &bfin_bf54x_fb))
                return 1;
@@ -652,7 +665,7 @@ static int __init bfin_bf54x_probe(struct platform_device *pdev)
                goto out7;
        }
 
-       if (request_irq(info->irq, (void *)bfin_bf54x_irq_error, IRQF_DISABLED,
+       if (request_irq(info->irq, bfin_bf54x_irq_error, IRQF_DISABLED,
                        "PPI ERROR", info) < 0) {
                printk(KERN_ERR DRIVER_NAME
                       ": unable to request PPI ERROR IRQ\n");
@@ -733,7 +746,6 @@ static int bfin_bf54x_remove(struct platform_device *pdev)
 static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state)
 {
        struct fb_info *fbinfo = platform_get_drvdata(pdev);
-       struct bfin_bf54xfb_info *info = fbinfo->par;
 
        bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN);
        disable_dma(CH_EPPI0);
@@ -747,8 +759,18 @@ static int bfin_bf54x_resume(struct platform_device *pdev)
        struct fb_info *fbinfo = platform_get_drvdata(pdev);
        struct bfin_bf54xfb_info *info = fbinfo->par;
 
-       enable_dma(CH_EPPI0);
-       bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+       if (info->lq043_open_cnt) {
+
+               bfin_write_EPPI0_CONTROL(0);
+               SSYNC();
+
+               config_dma(info);
+               config_ppi(info);
+
+               /* start dma */
+               enable_dma(CH_EPPI0);
+               bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+       }
 
        return 0;
 }