Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / drivers / media / video / saa7134 / saa7134-empress.c

diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index fa13573..65d0440 100644 (file)
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -1,5 +1,4 @@
 /*
- * $Id: saa7134-empress.c,v 1.10 2005/02/03 10:24:33 kraxel Exp $
  *
  * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
  *
@@ -30,6 +29,7 @@
 #include "saa7134.h"
 
 #include <media/saa6752hs.h>
+#include <media/v4l2-common.h>
 
 /* ------------------------------------------------------------------ */
 
@@ -37,6 +37,7 @@ MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
 MODULE_LICENSE("GPL");
 
 static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+
 module_param_array(empress_nr, int, NULL, 0444);
 MODULE_PARM_DESC(empress_nr,"ts device number");
 
@@ -56,17 +57,19 @@ static void ts_reset_encoder(struct saa7134_dev* dev)
 
        saa_writeb(SAA7134_SPECIAL_MODE, 0x00);
        msleep(10);
-       saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
+       saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
        msleep(100);
        dev->empress_started = 0;
 }
 
 static int ts_init_encoder(struct saa7134_dev* dev)
 {
+       struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 };
+
        ts_reset_encoder(dev);
-       saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, NULL);
+       saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls);
        dev->empress_started = 1;
-       return 0;
+       return 0;
 }
 
 /* ------------------------------------------------------------------ */
@@ -88,7 +91,7 @@ static int ts_open(struct inode *inode, struct file *file)
 
        dprintk("open minor=%d\n",minor);
        err = -EBUSY;
-       if (down_trylock(&dev->empress_tsq.lock))
+       if (!mutex_trylock(&dev->empress_tsq.lock))
                goto done;
        if (dev->empress_users)
                goto done_up;
@@ -98,7 +101,7 @@ static int ts_open(struct inode *inode, struct file *file)
        err = 0;
 
 done_up:
-       up(&dev->empress_tsq.lock);
+       mutex_unlock(&dev->empress_tsq.lock);
 done:
        return err;
 }
@@ -109,7 +112,7 @@ static int ts_release(struct inode *inode, struct file *file)
 
        if (dev->empress_tsq.streaming)
                videobuf_streamoff(&dev->empress_tsq);
-       down(&dev->empress_tsq.lock);
+       mutex_lock(&dev->empress_tsq.lock);
        if (dev->empress_tsq.reading)
                videobuf_read_stop(&dev->empress_tsq);
        videobuf_mmap_free(&dev->empress_tsq);
@@ -118,7 +121,7 @@ static int ts_release(struct inode *inode, struct file *file)
        /* stop the encoder */
        ts_reset_encoder(dev);
 
-       up(&dev->empress_tsq.lock);
+       mutex_unlock(&dev->empress_tsq.lock);
        return 0;
 }
 
@@ -161,16 +164,17 @@ static int ts_do_ioctl(struct inode *inode, struct file *file,
                       unsigned int cmd, void *arg)
 {
        struct saa7134_dev *dev = file->private_data;
+       struct v4l2_ext_controls *ctrls = arg;
 
        if (debug > 1)
-               saa7134_print_ioctl(dev->name,cmd);
+               v4l_print_ioctl(dev->name,cmd);
        switch (cmd) {
        case VIDIOC_QUERYCAP:
        {
                struct v4l2_capability *cap = arg;
 
                memset(cap,0,sizeof(*cap));
-                strcpy(cap->driver, "saa7134");
+               strcpy(cap->driver, "saa7134");
                strlcpy(cap->card, saa7134_boards[dev->board].name,
                        sizeof(cap->card));
                sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
@@ -277,12 +281,31 @@ static int ts_do_ioctl(struct inode *inode, struct file *file,
                return saa7134_common_ioctl(dev, cmd, arg);
 
        case VIDIOC_S_MPEGCOMP:
+               printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
+                                   "Replace with VIDIOC_S_EXT_CTRLS!");
                saa7134_i2c_call_clients(dev, VIDIOC_S_MPEGCOMP, arg);
                ts_init_encoder(dev);
                return 0;
        case VIDIOC_G_MPEGCOMP:
+               printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
+                                   "Replace with VIDIOC_G_EXT_CTRLS!");
                saa7134_i2c_call_clients(dev, VIDIOC_G_MPEGCOMP, arg);
                return 0;
+       case VIDIOC_S_EXT_CTRLS:
+               /* count == 0 is abused in saa6752hs.c, so that special
+                  case is handled here explicitly. */
+               if (ctrls->count == 0)
+                       return 0;
+               if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
+                       return -EINVAL;
+               saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, arg);
+               ts_init_encoder(dev);
+               return 0;
+       case VIDIOC_G_EXT_CTRLS:
+               if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
+                       return -EINVAL;
+               saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, arg);
+               return 0;
 
        default:
                return -ENOIOCTLCMD;