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V4L/DVB (4953): Usbvision minor fixes 

- fix debug outputs
- fix returned parameters on VIDIOC_G_FMT, VIDIOC_S_FMT and 
  VIDIOC_TRY_FMT and mmap size setting

Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
hifive-unleashed-5.1
Thierry MERLE 2006-12-09 16:42:54 -03:00 committed by Mauro Carvalho Chehab
parent f30ebd4359
commit c876a3468d
3 changed files with 26 additions and 10 deletions
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1
drivers/media/video/usbvision/usbvision-core.c
View File

@ -87,6 +87,7 @@ MODULE_PARM_DESC(SwitchSVideoInput, " Set the S-Video input. Some cables and in
#define DBG_ISOC 1<<2
#define DBG_PARSE 1<<3
#define DBG_SCRATCH 1<<4
#define DBG_FUNC 1<<5
static const int max_imgwidth = MAX_FRAME_WIDTH;
static const int max_imgheight = MAX_FRAME_HEIGHT;

28
drivers/media/video/usbvision/usbvision-video.c
View File

@ -92,8 +92,6 @@
#define ENABLE_HEXDUMP 0 /* Enable if you need it */
#define USBVISION_DEBUG /* Turn on debug messages */
#ifdef USBVISION_DEBUG
#define PDEBUG(level, fmt, args...) \
if (video_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args)
@ -104,7 +102,7 @@
#define DBG_IOCTL 1<<0
#define DBG_IO 1<<1
#define DBG_PROBE 1<<2
#define DBG_FUNC 1<<3
#define DBG_MMAP 1<<3
//String operations
#define rmspace(str) while(*str==' ') str++;
@ -821,7 +819,7 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
vb->memory = V4L2_MEMORY_MMAP;
vb->field = V4L2_FIELD_NONE;
vb->length = usbvision->max_frame_size;
vb->length = usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel;
vb->timestamp = usbvision->frame[vb->index].timestamp;
vb->sequence = usbvision->frame[vb->index].sequence;
return 0;
@ -959,13 +957,14 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*usbvision->curheight;
vf->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
vf->fmt.pix.field = V4L2_FIELD_NONE; /* Always progressive image */
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d, format=%s",
vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc);
return 0;
}
return 0;
default:
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT invalid type %d",vf->type);
return -EINVAL;
}
PDEBUG(DBG_IOCTL, "VIDIOC_G_FMT w=%d, h=%d",vf->fmt.win.w.width, vf->fmt.win.w.height);
return 0;
}
case VIDIOC_TRY_FMT:
@ -991,6 +990,15 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
RESTRICT_TO_RANGE(vf->fmt.pix.width, MIN_FRAME_WIDTH, MAX_FRAME_WIDTH);
RESTRICT_TO_RANGE(vf->fmt.pix.height, MIN_FRAME_HEIGHT, MAX_FRAME_HEIGHT);
vf->fmt.pix.bytesperline = vf->fmt.pix.width*usbvision->palette.bytes_per_pixel;
vf->fmt.pix.sizeimage = vf->fmt.pix.bytesperline*vf->fmt.pix.height;
if(cmd == VIDIOC_TRY_FMT) {
PDEBUG(DBG_IOCTL, "VIDIOC_TRY_FMT grabdisplay w=%d, h=%d, format=%s",
vf->fmt.pix.width, vf->fmt.pix.height,usbvision->palette.desc);
return 0;
}
/* stop io in case it is already in progress */
if(usbvision->streaming == Stream_On) {
if ((ret = usbvision_stream_interrupt(usbvision)))
@ -1133,7 +1141,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
}
if (!(vma->vm_flags & VM_WRITE) ||
size != PAGE_ALIGN(usbvision->max_frame_size)) {
size != PAGE_ALIGN(usbvision->curwidth*usbvision->curheight*usbvision->palette.bytes_per_pixel)) {
up(&usbvision->lock);
return -EINVAL;
}
@ -1143,7 +1151,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
break;
}
if (i == USBVISION_NUMFRAMES) {
PDEBUG(DBG_FUNC, "mmap: user supplied mapping address is out of range");
PDEBUG(DBG_MMAP, "mmap: user supplied mapping address is out of range");
up(&usbvision->lock);
return -EINVAL;
}
@ -1156,7 +1164,7 @@ static int usbvision_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
while (size > 0) {
if (vm_insert_page(vma, start, vmalloc_to_page(pos))) {
PDEBUG(DBG_FUNC, "mmap: vm_insert_page failed");
PDEBUG(DBG_MMAP, "mmap: vm_insert_page failed");
up(&usbvision->lock);
return -EAGAIN;
}
@ -2003,7 +2011,7 @@ static int __init usbvision_init(void)
PDEBUG(DBG_IOCTL, "IOCTL debugging is enabled [video]");
PDEBUG(DBG_IO, "IO debugging is enabled [video]");
PDEBUG(DBG_PROBE, "PROBE debugging is enabled [video]");
PDEBUG(DBG_FUNC, "FUNC debugging is enabled [video]");
PDEBUG(DBG_MMAP, "MMAP debugging is enabled [video]");
/* disable planar mode support unless compression enabled */
if (isocMode != ISOC_MODE_COMPRESS ) {

7
drivers/media/video/usbvision/usbvision.h
View File

@ -3,9 +3,14 @@
* usbvision header file
*
* Copyright (c) 1999-2005 Joerg Heckenbach <joerg@heckenbach-aw.de>
* Dwaine Garden <dwainegarden@rogers.com>
*
*
* Report problems to v4l MailingList : http://www.redhat.com/mailman/listinfo/video4linux-list
*
* This module is part of usbvision driver project.
* Updates to driver completed by Dwaine P. Garden
* v4l2 conversion by Thierry Merle <thierry.merle@free.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -32,6 +37,8 @@
#include <media/tuner.h>
#include <linux/videodev2.h>
#define USBVISION_DEBUG /* Turn on debug messages */
#ifndef VID_HARDWARE_USBVISION
#define VID_HARDWARE_USBVISION 34 /* USBVision Video Grabber */
#endif