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;
 }