X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fsaa5246a.c;h=77bb940a1a4f4159c3a6ceafd41cd839188e5367;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=c2fb64d57ca79974d46cbdc1155b68cfc32a3548;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index c2fb64d57..77bb940a1 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -46,6 +46,9 @@
 #include <linux/i2c.h>
 #include <linux/videotext.h>
 #include <linux/videodev.h>
+#include <media/v4l2-common.h>
+#include <linux/mutex.h>
+
 #include "saa5246a.h"
 
 MODULE_AUTHOR("Michael Geng <linux@MichaelGeng.de>");
@@ -57,26 +60,14 @@ struct saa5246a_device
 	u8     pgbuf[NUM_DAUS][VTX_VIRTUALSIZE];
 	int    is_searching[NUM_DAUS];
 	struct i2c_client *client;
-	struct semaphore lock;
+	struct mutex lock;
 };
 
 static struct video_device saa_template;	/* Declared near bottom */
 
 /* Addresses to scan */
 static unsigned short normal_i2c[]	 = { I2C_ADDRESS, I2C_CLIENT_END };
-static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
-static unsigned short probe[2]		 = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short probe_range[2]	 = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short ignore[2]		 = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short ignore_range[2]	 = { I2C_CLIENT_END, I2C_CLIENT_END };
-static unsigned short force[2]		 = { I2C_CLIENT_END, I2C_CLIENT_END };
-
-static struct i2c_client_address_data addr_data = {
-	normal_i2c, normal_i2c_range,
-	probe, probe_range,
-	ignore, ignore_range,
-	force
-};
+I2C_CLIENT_INSMOD;
 
 static struct i2c_client client_template;
 
@@ -95,15 +86,14 @@ static int saa5246a_attach(struct i2c_adapter *adap, int addr, int kind)
 	client_template.adapter = adap;
 	client_template.addr = addr;
 	memcpy(client, &client_template, sizeof(*client));
-	t = kmalloc(sizeof(*t), GFP_KERNEL);
+	t = kzalloc(sizeof(*t), GFP_KERNEL);
 	if(t==NULL)
 	{
 		kfree(client);
 		return -ENOMEM;
 	}
-	memset(t, 0, sizeof(*t));
 	strlcpy(client->name, IF_NAME, I2C_NAME_SIZE);
-	init_MUTEX(&t->lock);
+	mutex_init(&t->lock);
 
 	/*
 	 *	Now create a video4linux device
@@ -163,29 +153,21 @@ static int saa5246a_detach(struct i2c_client *client)
 	return 0;
 }
 
-static int saa5246a_command(struct i2c_client *device, unsigned int cmd,
-	void *arg)
-{
-	return -EINVAL;
-}
-
 /*
  *	I2C interfaces
  */
 
 static struct i2c_driver i2c_driver_videotext =
 {
-	.owner 		= THIS_MODULE,
-	.name 		= IF_NAME,		/* name */
+	.driver = {
+		.name 	= IF_NAME,		/* name */
+	},
 	.id 		= I2C_DRIVERID_SAA5249, /* in i2c.h */
-	.flags 		= I2C_DF_NOTIFY,
 	.attach_adapter = saa5246a_probe,
 	.detach_client  = saa5246a_detach,
-	.command 	= saa5246a_command
 };
 
 static struct i2c_client client_template = {
-	.id 		= -1,
 	.driver		= &i2c_driver_videotext,
 	.name		= "(unset)",
 };
@@ -681,6 +663,54 @@ static int do_saa5246a_ioctl(struct inode *inode, struct file *file,
 	return -EINVAL;
 }
 
+/*
+ * Translates old vtx IOCTLs to new ones
+ *
+ * This keeps new kernel versions compatible with old userspace programs.
+ */
+static inline unsigned int vtx_fix_command(unsigned int cmd)
+{
+	switch (cmd) {
+	case VTXIOCGETINFO_OLD:
+		cmd = VTXIOCGETINFO;
+		break;
+	case VTXIOCCLRPAGE_OLD:
+		cmd = VTXIOCCLRPAGE;
+		break;
+	case VTXIOCCLRFOUND_OLD:
+		cmd = VTXIOCCLRFOUND;
+		break;
+	case VTXIOCPAGEREQ_OLD:
+		cmd = VTXIOCPAGEREQ;
+		break;
+	case VTXIOCGETSTAT_OLD:
+		cmd = VTXIOCGETSTAT;
+		break;
+	case VTXIOCGETPAGE_OLD:
+		cmd = VTXIOCGETPAGE;
+		break;
+	case VTXIOCSTOPDAU_OLD:
+		cmd = VTXIOCSTOPDAU;
+		break;
+	case VTXIOCPUTPAGE_OLD:
+		cmd = VTXIOCPUTPAGE;
+		break;
+	case VTXIOCSETDISP_OLD:
+		cmd = VTXIOCSETDISP;
+		break;
+	case VTXIOCPUTSTAT_OLD:
+		cmd = VTXIOCPUTSTAT;
+		break;
+	case VTXIOCCLRCACHE_OLD:
+		cmd = VTXIOCCLRCACHE;
+		break;
+	case VTXIOCSETVIRT_OLD:
+		cmd = VTXIOCSETVIRT;
+		break;
+	}
+	return cmd;
+}
+
 /*
  *	Handle the locking
  */
@@ -691,9 +721,10 @@ static int saa5246a_ioctl(struct inode *inode, struct file *file,
 	struct saa5246a_device *t = vd->priv;
 	int err;
 
-	down(&t->lock);
+	cmd = vtx_fix_command(cmd);
+	mutex_lock(&t->lock);
 	err = video_usercopy(inode, file, cmd, arg, do_saa5246a_ioctl);
-	up(&t->lock);
+	mutex_unlock(&t->lock);
 	return err;
 }
 
@@ -799,7 +830,6 @@ static struct video_device saa_template =
 	.owner	  = THIS_MODULE,
 	.name	  = IF_NAME,
 	.type	  = VID_TYPE_TELETEXT,
-	.hardware = VID_HARDWARE_SAA5249,
 	.fops	  = &saa_fops,
 	.release  = video_device_release,
 	.minor    = -1,