]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/media/video/bttv-driver.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6
[linux-2.6-omap-h63xx.git] / drivers / media / video / bttv-driver.c
index 709099f03bd20e5903a80e0f113f188824363330..1ddf9ba613ef96c3e8b142dd41d322c02391cb3c 100644 (file)
@@ -727,71 +727,71 @@ void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
 
 static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
 {
-        unsigned char fl, fh, fi;
+       unsigned char fl, fh, fi;
 
-        /* prevent overflows */
-        fin/=4;
-        fout/=4;
+       /* prevent overflows */
+       fin/=4;
+       fout/=4;
 
-        fout*=12;
-        fi=fout/fin;
+       fout*=12;
+       fi=fout/fin;
 
-        fout=(fout%fin)*256;
-        fh=fout/fin;
+       fout=(fout%fin)*256;
+       fh=fout/fin;
 
-        fout=(fout%fin)*256;
-        fl=fout/fin;
+       fout=(fout%fin)*256;
+       fl=fout/fin;
 
-        btwrite(fl, BT848_PLL_F_LO);
-        btwrite(fh, BT848_PLL_F_HI);
-        btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
+       btwrite(fl, BT848_PLL_F_LO);
+       btwrite(fh, BT848_PLL_F_HI);
+       btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
 }
 
 static void set_pll(struct bttv *btv)
 {
-        int i;
+       int i;
 
-        if (!btv->pll.pll_crystal)
-                return;
+       if (!btv->pll.pll_crystal)
+               return;
 
        if (btv->pll.pll_ofreq == btv->pll.pll_current) {
                dprintk("bttv%d: PLL: no change required\n",btv->c.nr);
-                return;
-        }
+               return;
+       }
 
-        if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
-                /* no PLL needed */
-                if (btv->pll.pll_current == 0)
-                        return;
+       if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
+               /* no PLL needed */
+               if (btv->pll.pll_current == 0)
+                       return;
                bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
-                           btv->c.nr,btv->pll.pll_ifreq);
-                btwrite(0x00,BT848_TGCTRL);
-                btwrite(0x00,BT848_PLL_XCI);
-                btv->pll.pll_current = 0;
-                return;
-        }
+                       btv->c.nr,btv->pll.pll_ifreq);
+               btwrite(0x00,BT848_TGCTRL);
+               btwrite(0x00,BT848_PLL_XCI);
+               btv->pll.pll_current = 0;
+               return;
+       }
 
        bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr,
-                   btv->pll.pll_ifreq, btv->pll.pll_ofreq);
+               btv->pll.pll_ifreq, btv->pll.pll_ofreq);
        set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
 
-        for (i=0; i<10; i++) {
+       for (i=0; i<10; i++) {
                /*  Let other people run while the PLL stabilizes */
                bttv_printk(".");
                msleep(10);
 
-                if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
+               if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
                        btwrite(0,BT848_DSTATUS);
-                } else {
-                        btwrite(0x08,BT848_TGCTRL);
-                        btv->pll.pll_current = btv->pll.pll_ofreq;
+               } else {
+                       btwrite(0x08,BT848_TGCTRL);
+                       btv->pll.pll_current = btv->pll.pll_ofreq;
                        bttv_printk(" ok\n");
-                        return;
-                }
-        }
-        btv->pll.pll_current = -1;
+                       return;
+               }
+       }
+       btv->pll.pll_current = -1;
        bttv_printk("failed\n");
-        return;
+       return;
 }
 
 /* used to switch between the bt848's analog/digital video capture modes */
@@ -1720,7 +1720,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                memset(i,0,sizeof(*i));
                i->index    = n;
                i->type     = V4L2_INPUT_TYPE_CAMERA;
-               i->audioset = 1;
+               i->audioset = 0;
                if (i->index == bttv_tvcards[btv->c.type].tuner) {
                        sprintf(i->name, "Television");
                        i->type  = V4L2_INPUT_TYPE_TUNER;
@@ -1771,11 +1771,19 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
                memset(t,0,sizeof(*t));
                strcpy(t->name, "Television");
                t->type       = V4L2_TUNER_ANALOG_TV;
-               t->rangehigh  = 0xffffffffUL;
                t->capability = V4L2_TUNER_CAP_NORM;
                t->rxsubchans = V4L2_TUNER_SUB_MONO;
                if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
                        t->signal = 0xffff;
+               {
+                       struct video_tuner tuner;
+
+                       memset(&tuner, 0, sizeof (tuner));
+                       tuner.rangehigh = 0xffffffffUL;
+                       bttv_call_i2c_clients(btv, VIDIOCGTUNER, &tuner);
+                       t->rangelow = tuner.rangelow;
+                       t->rangehigh = tuner.rangehigh;
+               }
                {
                        /* Hmmm ... */
                        struct video_audio va;
@@ -1853,7 +1861,7 @@ static int bttv_common_ioctls(struct bttv *btv, unsigned int cmd, void *arg)
        }
        case VIDIOC_LOG_STATUS:
        {
-               bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, 0);
+               bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
                return 0;
        }
 
@@ -1956,7 +1964,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv,
        }
 
        down(&fh->cap.lock);
-       kfree(fh->ov.clips);
+               kfree(fh->ov.clips);
        fh->ov.clips    = clips;
        fh->ov.nclips   = n;
 
@@ -2029,19 +2037,33 @@ static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
        return 0;
 }
 
+static void
+pix_format_set_size     (struct v4l2_pix_format *       f,
+                        const struct bttv_format *     fmt,
+                        unsigned int                   width,
+                        unsigned int                   height)
+{
+       f->width = width;
+       f->height = height;
+
+       if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+               f->bytesperline = width; /* Y plane */
+               f->sizeimage = (width * height * fmt->depth) >> 3;
+       } else {
+               f->bytesperline = (width * fmt->depth) >> 3;
+               f->sizeimage = height * f->bytesperline;
+       }
+}
+
 static int bttv_g_fmt(struct bttv_fh *fh, struct v4l2_format *f)
 {
        switch (f->type) {
        case V4L2_BUF_TYPE_VIDEO_CAPTURE:
                memset(&f->fmt.pix,0,sizeof(struct v4l2_pix_format));
-               f->fmt.pix.width        = fh->width;
-               f->fmt.pix.height       = fh->height;
+               pix_format_set_size (&f->fmt.pix, fh->fmt,
+                                    fh->width, fh->height);
                f->fmt.pix.field        = fh->cap.field;
                f->fmt.pix.pixelformat  = fh->fmt->fourcc;
-               f->fmt.pix.bytesperline =
-                       (f->fmt.pix.width * fh->fmt->depth) >> 3;
-               f->fmt.pix.sizeimage =
-                       f->fmt.pix.height * f->fmt.pix.bytesperline;
                return 0;
        case V4L2_BUF_TYPE_VIDEO_OVERLAY:
                memset(&f->fmt.win,0,sizeof(struct v4l2_window));
@@ -2106,11 +2128,9 @@ static int bttv_try_fmt(struct bttv_fh *fh, struct bttv *btv,
                        f->fmt.pix.width = maxw;
                if (f->fmt.pix.height > maxh)
                        f->fmt.pix.height = maxh;
-               f->fmt.pix.width &= ~0x03;
-               f->fmt.pix.bytesperline =
-                       (f->fmt.pix.width * fmt->depth) >> 3;
-               f->fmt.pix.sizeimage =
-                       f->fmt.pix.height * f->fmt.pix.bytesperline;
+               pix_format_set_size (&f->fmt.pix, fmt,
+                                    f->fmt.pix.width & ~3,
+                                    f->fmt.pix.height);
 
                return 0;
        }
@@ -2278,6 +2298,15 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                        retval = -EINVAL;
                        goto fh_unlock_and_return;
                }
+               if (fmt->flags & FORMAT_FLAGS_RAW) {
+                       /* VIDIOCMCAPTURE uses gbufsize, not RAW_BPL *
+                          RAW_LINES * 2. F1 is stored at offset 0, F2
+                          at buffer size / 2. */
+                       fh->width = RAW_BPL;
+                       fh->height = gbufsize / RAW_BPL;
+                       btv->init.width  = RAW_BPL;
+                       btv->init.height = gbufsize / RAW_BPL;
+               }
                fh->ovfmt   = fmt;
                fh->fmt     = fmt;
                btv->init.ovfmt   = fmt;
@@ -2589,9 +2618,11 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
 
                if (0 == v4l2)
                        return -EINVAL;
-               strcpy(cap->driver,"bttv");
-               strlcpy(cap->card,btv->video_dev->name,sizeof(cap->card));
-               sprintf(cap->bus_info,"PCI:%s",pci_name(btv->c.pci));
+               memset(cap, 0, sizeof (*cap));
+               strlcpy(cap->driver, "bttv", sizeof (cap->driver));
+               strlcpy(cap->card, btv->video_dev->name, sizeof (cap->card));
+               snprintf(cap->bus_info, sizeof (cap->bus_info),
+                        "PCI:%s", pci_name(btv->c.pci));
                cap->version = BTTV_VERSION_CODE;
                cap->capabilities =
                        V4L2_CAP_VIDEO_CAPTURE |
@@ -2727,7 +2758,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
                        fh->ov.w.height = fb->fmt.height;
                        btv->init.ov.w.width  = fb->fmt.width;
                        btv->init.ov.w.height = fb->fmt.height;
-                       kfree(fh->ov.clips);
+                               kfree(fh->ov.clips);
                        fh->ov.clips = NULL;
                        fh->ov.nclips = 0;
 
@@ -2952,6 +2983,8 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait)
                        fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
                        field = videobuf_next_field(&fh->cap);
                        if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
+                               kfree (fh->cap.read_buf);
+                               fh->cap.read_buf = NULL;
                                up(&fh->cap.lock);
                                return POLLERR;
                        }