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path: root/drivers/media/video/pwc/pwc-misc.c
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Diffstat (limited to 'drivers/media/video/pwc/pwc-misc.c')
-rw-r--r--drivers/media/video/pwc/pwc-misc.c67
1 files changed, 30 insertions, 37 deletions
diff --git a/drivers/media/video/pwc/pwc-misc.c b/drivers/media/video/pwc/pwc-misc.c
index 58fe7974799261..589c687439da3d 100644
--- a/drivers/media/video/pwc/pwc-misc.c
+++ b/drivers/media/video/pwc/pwc-misc.c
@@ -1,7 +1,7 @@
/* Linux driver for Philips webcam
Various miscellaneous functions and tables.
(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.
@@ -24,18 +24,17 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <linux/slab.h>
#include "pwc.h"
-struct pwc_coord pwc_image_sizes[PSZ_MAX] =
+const struct pwc_coord pwc_image_sizes[PSZ_MAX] =
{
- { 128, 96, 0 },
- { 160, 120, 0 },
- { 176, 144, 0 },
- { 320, 240, 0 },
- { 352, 288, 0 },
- { 640, 480, 0 },
+ { 128, 96, 0 }, /* sqcif */
+ { 160, 120, 0 }, /* qsif */
+ { 176, 144, 0 }, /* qcif */
+ { 320, 240, 0 }, /* sif */
+ { 352, 288, 0 }, /* cif */
+ { 640, 480, 0 }, /* vga */
};
/* x,y -> PSZ_ */
@@ -52,7 +51,7 @@ int pwc_decode_size(struct pwc_device *pdev, int width, int height)
{
if (width > pdev->abs_max.x || height > pdev->abs_max.y)
{
- Debug("VIDEO_PALETTE_RAW: going beyond abs_max.\n");
+ PWC_DEBUG_SIZE("VIDEO_PALETTE_RAW: going beyond abs_max.\n");
return -1;
}
}
@@ -60,7 +59,7 @@ int pwc_decode_size(struct pwc_device *pdev, int width, int height)
{
if (width > pdev->view_max.x || height > pdev->view_max.y)
{
- Debug("VIDEO_PALETTE_ not RAW: going beyond view_max.\n");
+ PWC_DEBUG_SIZE("VIDEO_PALETTE_not RAW: going beyond view_max.\n");
return -1;
}
}
@@ -81,9 +80,8 @@ int pwc_decode_size(struct pwc_device *pdev, int width, int height)
/* initialize variables depending on type and decompressor*/
void pwc_construct(struct pwc_device *pdev)
{
- switch(pdev->type) {
- case 645:
- case 646:
+ if (DEVICE_USE_CODEC1(pdev->type)) {
+
pdev->view_min.x = 128;
pdev->view_min.y = 96;
pdev->view_max.x = 352;
@@ -95,10 +93,23 @@ void pwc_construct(struct pwc_device *pdev)
pdev->vendpoint = 4;
pdev->frame_header_size = 0;
pdev->frame_trailer_size = 0;
- break;
- case 675:
- case 680:
- case 690:
+
+ } else if (DEVICE_USE_CODEC3(pdev->type)) {
+
+ pdev->view_min.x = 160;
+ pdev->view_min.y = 120;
+ pdev->view_max.x = 640;
+ pdev->view_max.y = 480;
+ pdev->image_mask = 1 << PSZ_QSIF | 1 << PSZ_SIF | 1 << PSZ_VGA;
+ pdev->abs_max.x = 640;
+ pdev->abs_max.y = 480;
+ pdev->vcinterface = 3;
+ pdev->vendpoint = 5;
+ pdev->frame_header_size = TOUCAM_HEADER_SIZE;
+ pdev->frame_trailer_size = TOUCAM_TRAILER_SIZE;
+
+ } else /* if (DEVICE_USE_CODEC2(pdev->type)) */ {
+
pdev->view_min.x = 128;
pdev->view_min.y = 96;
/* Anthill bug #38: PWC always reports max size, even without PWCX */
@@ -111,30 +122,12 @@ void pwc_construct(struct pwc_device *pdev)
pdev->vendpoint = 4;
pdev->frame_header_size = 0;
pdev->frame_trailer_size = 0;
- break;
- case 720:
- case 730:
- case 740:
- case 750:
- pdev->view_min.x = 160;
- pdev->view_min.y = 120;
- pdev->view_max.x = 640;
- pdev->view_max.y = 480;
- pdev->image_mask = 1 << PSZ_QSIF | 1 << PSZ_SIF | 1 << PSZ_VGA;
- pdev->abs_max.x = 640;
- pdev->abs_max.y = 480;
- pdev->vcinterface = 3;
- pdev->vendpoint = 5;
- pdev->frame_header_size = TOUCAM_HEADER_SIZE;
- pdev->frame_trailer_size = TOUCAM_TRAILER_SIZE;
- break;
}
- Debug("type = %d\n",pdev->type);
pdev->vpalette = VIDEO_PALETTE_YUV420P; /* default */
pdev->view_min.size = pdev->view_min.x * pdev->view_min.y;
pdev->view_max.size = pdev->view_max.x * pdev->view_max.y;
/* length of image, in YUV format; always allocate enough memory. */
- pdev->len_per_image = (pdev->abs_max.x * pdev->abs_max.y * 3) / 2;
+ pdev->len_per_image = PAGE_ALIGN((pdev->abs_max.x * pdev->abs_max.y * 3) / 2);
}