Merge branch 'intelfb-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/intelfb-2.6

* 'intelfb-patches' of master.kernel.org:/pub/scm/linux/kernel/git/airlied/intelfb-2.6:
  intelfbhw.c: intelfbhw_get_p1p2 defined but not used
  intelfb: fix mtrr_reg signedness
  intelfb: update doc and Kconfig (supported devices)
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add preliminary i2c support
  intelfb: add vsync interrupt support
  intelfb: add vsync interrupt support
  intelfb: add vsync interrupt support
  intelfb: add vsync interrupt support
  intelfb: add vsync interrupt support

1 files changed, 64 insertions, 0 deletions

diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 06af89d44a0d..6f9de04193d2 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -136,6 +136,8 @@
 static void __devinit get_initial_mode(struct intelfb_info *dinfo);
 static void update_dinfo(struct intelfb_info *dinfo,
                          struct fb_var_screeninfo *var);
+static int intelfb_open(struct fb_info *info, int user);
+static int intelfb_release(struct fb_info *info, int user);
 static int intelfb_check_var(struct fb_var_screeninfo *var,
                              struct fb_info *info);
 static int intelfb_set_par(struct fb_info *info);
@@ -194,6 +196,8 @@ static int num_registered = 0;
 /* fb ops */
 static struct fb_ops intel_fb_ops = {
         .owner =                THIS_MODULE,
+        .fb_open =              intelfb_open,
+        .fb_release =           intelfb_release,
         .fb_check_var =         intelfb_check_var,
         .fb_set_par =           intelfb_set_par,
         .fb_setcolreg =         intelfb_setcolreg,
@@ -446,6 +450,8 @@ cleanup(struct intelfb_info *dinfo)
         if (!dinfo)
                 return;
 
+        intelfbhw_disable_irq(dinfo);
+
         fb_dealloc_cmap(&dinfo->info->cmap);
         kfree(dinfo->info->pixmap.addr);
 
@@ -467,6 +473,11 @@ cleanup(struct intelfb_info *dinfo)
                 agp_free_memory(dinfo->gtt_ring_mem);
         }
 
+#ifdef CONFIG_FB_INTEL_I2C
+        /* un-register I2C bus */
+        intelfb_delete_i2c_busses(dinfo);
+#endif
+
         if (dinfo->mmio_base)
                 iounmap((void __iomem *)dinfo->mmio_base);
         if (dinfo->aperture.virtual)
@@ -844,6 +855,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
         if (bailearly == 5)
                 bailout(dinfo);
 
+#ifdef CONFIG_FB_INTEL_I2C
+        /* register I2C bus */
+        intelfb_create_i2c_busses(dinfo);
+#endif
+
         if (bailearly == 6)
                 bailout(dinfo);
 
@@ -888,6 +904,13 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         dinfo->registered = 1;
+        dinfo->open = 0;
+
+        init_waitqueue_head(&dinfo->vsync.wait);
+        spin_lock_init(&dinfo->int_lock);
+        dinfo->irq_flags = 0;
+        dinfo->vsync.pan_display = 0;
+        dinfo->vsync.pan_offset = 0;
 
         return 0;
 
@@ -1188,6 +1211,34 @@ update_dinfo(struct intelfb_info *dinfo, struct fb_var_screeninfo *var)
  ***************************************************************/
 
 static int
+intelfb_open(struct fb_info *info, int user)
+{
+        struct intelfb_info *dinfo = GET_DINFO(info);
+
+        if (user) {
+                dinfo->open++;
+        }
+
+        return 0;
+}
+
+static int
+intelfb_release(struct fb_info *info, int user)
+{
+        struct intelfb_info *dinfo = GET_DINFO(info);
+
+        if (user) {
+                dinfo->open--;
+                msleep(1);
+                if (!dinfo->open) {
+                        intelfbhw_disable_irq(dinfo);
+                }
+        }
+
+        return 0;
+}
+
+static int
 intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 {
         int change_var = 0;
@@ -1433,6 +1484,19 @@ static int
 intelfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
         int retval = 0;
+        struct intelfb_info *dinfo = GET_DINFO(info);
+        u32 pipe = 0;
+
+        switch (cmd) {
+                case FBIO_WAITFORVSYNC:
+                        if (get_user(pipe, (__u32 __user *)arg))
+                                return -EFAULT;
+
+                        retval = intelfbhw_wait_for_vsync(dinfo, pipe);
+                        break;
+                default:
+                        break;
+        }
 
         return retval;
 }