Merge ../linus

Conflicts:

	drivers/char/agp/Kconfig

1 files changed, 73 insertions, 81 deletions

diff --git a/drivers/media/video/pwc/pwc-uncompress.c b/drivers/media/video/pwc/pwc-uncompress.c
index b37a89a163f9..5d82028ef942 100644
--- a/drivers/media/video/pwc/pwc-uncompress.c
+++ b/drivers/media/video/pwc/pwc-uncompress.c
@@ -1,7 +1,7 @@
 /* Linux driver for Philips webcam
    Decompression frontend.
    (C) 1999-2003 Nemosoft Unv.
-   (C) 2004      Luc Saillard (luc@saillard.org)
+   (C) 2004-2006 Luc Saillard (luc@saillard.org)
 
    NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
    driver and thus may have bugs that are not present in the original version.
@@ -22,6 +22,8 @@
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+   vim: set ts=8:
 */
 
 #include <asm/current.h>
@@ -29,6 +31,8 @@
 
 #include "pwc.h"
 #include "pwc-uncompress.h"
+#include "pwc-dec1.h"
+#include "pwc-dec23.h"
 
 int pwc_decompress(struct pwc_device *pdev)
 {
@@ -40,107 +44,95 @@ int pwc_decompress(struct pwc_device *pdev)
 
 	if (pdev == NULL)
 		return -EFAULT;
-#if defined(__KERNEL__) && defined(PWC_MAGIC)
-	if (pdev->magic != PWC_MAGIC) {
-		Err("pwc_decompress(): magic failed.\n");
-		return -EFAULT;
-	}
-#endif
 
 	fbuf = pdev->read_frame;
 	if (fbuf == NULL)
 		return -EFAULT;
-	image = pdev->image_ptr[pdev->fill_image];
-	if (!image)
-		return -EFAULT;
+	image  = pdev->image_data;
+	image += pdev->images[pdev->fill_image].offset;
 
 	yuv = fbuf->data + pdev->frame_header_size;  /* Skip header */
 
 	/* Raw format; that's easy... */
 	if (pdev->vpalette == VIDEO_PALETTE_RAW)
 	{
-		memcpy(image, yuv, pdev->frame_size);
+		struct pwc_raw_frame *raw_frame = image;
+		raw_frame->type = cpu_to_le16(pdev->type);
+		raw_frame->vbandlength = cpu_to_le16(pdev->vbandlength);
+			/* cmd_buf is always 4 bytes, but sometimes, only the
+			 * first 3 bytes is filled (Nala case). We can
+			 * determine this using the type of the webcam */
+		memcpy(raw_frame->cmd, pdev->cmd_buf, 4);
+		memcpy(raw_frame+1, yuv, pdev->frame_size);
 		return 0;
 	}
 
 	if (pdev->vbandlength == 0) {
-		/* Uncompressed mode. We copy the data into the output buffer,
-		   using the viewport size (which may be larger than the image
-		   size). Unfortunately we have to do a bit of byte stuffing
-		   to get the desired output format/size.
+		/* Uncompressed mode.
+		 * We copy the data into the output buffer, using the viewport
+		 * size (which may be larger than the image size).
+		 * Unfortunately we have to do a bit of byte stuffing to get
+		 * the desired output format/size.
+		 *
+		 * We do some byte shuffling here to go from the
+		 * native format to YUV420P.
 		 */
-			/*
-			 * We do some byte shuffling here to go from the
-			 * native format to YUV420P.
-			 */
-			src = (u16 *)yuv;
-			n = pdev->view.x * pdev->view.y;
-
-			/* offset in Y plane */
-			stride = pdev->view.x * pdev->offset.y + pdev->offset.x;
-			dsty = (u16 *)(image + stride);
-
-			/* offsets in U/V planes */
-			stride = pdev->view.x * pdev->offset.y / 4 + pdev->offset.x / 2;
-			dstu = (u16 *)(image + n +         stride);
-			dstv = (u16 *)(image + n + n / 4 + stride);
-
-			/* increment after each line */
-			stride = (pdev->view.x - pdev->image.x) / 2; /* u16 is 2 bytes */
-
-			for (line = 0; line < pdev->image.y; line++) {
-				for (col = 0; col < pdev->image.x; col += 4) {
-					*dsty++ = *src++;
-					*dsty++ = *src++;
-					if (line & 1)
-						*dstv++ = *src++;
-					else
-						*dstu++ = *src++;
-				}
-				dsty += stride;
+		src = (u16 *)yuv;
+		n = pdev->view.x * pdev->view.y;
+
+		/* offset in Y plane */
+		stride = pdev->view.x * pdev->offset.y + pdev->offset.x;
+		dsty = (u16 *)(image + stride);
+
+		/* offsets in U/V planes */
+		stride = pdev->view.x * pdev->offset.y / 4 + pdev->offset.x / 2;
+		dstu = (u16 *)(image + n +         stride);
+		dstv = (u16 *)(image + n + n / 4 + stride);
+
+		/* increment after each line */
+		stride = (pdev->view.x - pdev->image.x) / 2; /* u16 is 2 bytes */
+
+		for (line = 0; line < pdev->image.y; line++) {
+			for (col = 0; col < pdev->image.x; col += 4) {
+				*dsty++ = *src++;
+				*dsty++ = *src++;
 				if (line & 1)
-					dstv += (stride >> 1);
+					*dstv++ = *src++;
 				else
-					dstu += (stride >> 1);
+					*dstu++ = *src++;
 			}
+			dsty += stride;
+			if (line & 1)
+				dstv += (stride >> 1);
+			else
+				dstu += (stride >> 1);
+		}
+
+		return 0;
 	}
-	else {
-		/* Compressed; the decompressor routines will write the data
-		   in planar format immediately.
-		 */
-		int flags;
-
-		flags = PWCX_FLAG_PLANAR;
-		if (pdev->vsize == PSZ_VGA && pdev->vframes == 5 && pdev->vsnapshot)
-		 {
-		   printk(KERN_ERR "pwc: Mode Bayer is not supported for now\n");
-		   flags |= PWCX_FLAG_BAYER;
-		   return -ENXIO; /* No such device or address: missing decompressor */
-		 }
-
-#if 0
-		switch (pdev->type)
-		 {
-		  case 675:
-		  case 680:
-		  case 690:
-		  case 720:
-		  case 730:
-		  case 740:
-		  case 750:
-		    pwc_dec23_decompress(&pdev->image, &pdev->view,
-				&pdev->offset, yuv, image, flags,
-				pdev->decompress_data, pdev->vbandlength);
-		    break;
-		  case 645:
-		  case 646:
-		    /* TODO & FIXME */
-		    return -ENXIO; /* Missing decompressor */
-		    break;
-		 }
-#endif
+
+	/*
+	 * Compressed;
+	 * the decompressor routines will write the data in planar format
+	 * immediately.
+	 */
+	if (pdev->vsize == PSZ_VGA && pdev->vframes == 5 && pdev->vsnapshot) {
+		PWC_ERROR("Mode Bayer is not supported for now\n");
+		/* flags |= PWCX_FLAG_BAYER; */
+		return -ENXIO; /* No such device or address: missing decompressor */
+	}
+
+	if (DEVICE_USE_CODEC1(pdev->type)) {
+
+		/* TODO & FIXME */
+		PWC_ERROR("This chipset is not supported for now\n");
+		return -ENXIO; /* No such device or address: missing decompressor */
+
+	} else {
+		pwc_dec23_decompress(pdev, yuv, image, PWCX_FLAG_PLANAR);
 	}
 	return 0;
 }
 
 
+/* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */