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-rw-r--r--linux/drivers/media/video/cx88/cx88-alsa.c1
-rw-r--r--linux/drivers/media/video/cx88/cx88-mpeg.c5
-rw-r--r--linux/drivers/media/video/cx88/cx88-video.c1
-rw-r--r--linux/drivers/media/video/ivtv/ivtv-driver.c2
-rw-r--r--linux/drivers/media/video/v4l1-compat.c64
-rw-r--r--linux/drivers/media/video/videodev.c48
6 files changed, 83 insertions, 38 deletions
diff --git a/linux/drivers/media/video/cx88/cx88-alsa.c b/linux/drivers/media/video/cx88/cx88-alsa.c
index 5091913d3..7131e05a3 100644
--- a/linux/drivers/media/video/cx88/cx88-alsa.c
+++ b/linux/drivers/media/video/cx88/cx88-alsa.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
#include <asm/delay.h>
#include <sound/driver.h>
#include <sound/core.h>
diff --git a/linux/drivers/media/video/cx88/cx88-mpeg.c b/linux/drivers/media/video/cx88/cx88-mpeg.c
index 60bff8779..861ac813e 100644
--- a/linux/drivers/media/video/cx88/cx88-mpeg.c
+++ b/linux/drivers/media/video/cx88/cx88-mpeg.c
@@ -30,6 +30,7 @@
#include <linux/device.h>
#endif
#include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
#include <asm/delay.h>
#include "cx88.h"
@@ -670,7 +671,7 @@ struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board
}
/* Driver asked for hardware access. */
-int cx8802_request_acquire(struct cx8802_driver *drv)
+static int cx8802_request_acquire(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
@@ -690,7 +691,7 @@ int cx8802_request_acquire(struct cx8802_driver *drv)
}
/* Driver asked to release hardware. */
-int cx8802_request_release(struct cx8802_driver *drv)
+static int cx8802_request_release(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
diff --git a/linux/drivers/media/video/cx88/cx88-video.c b/linux/drivers/media/video/cx88/cx88-video.c
index 76af9fed6..9b8edf555 100644
--- a/linux/drivers/media/video/cx88/cx88-video.c
+++ b/linux/drivers/media/video/cx88/cx88-video.c
@@ -39,6 +39,7 @@
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
#include <linux/kthread.h>
#endif
+#include <linux/dma-mapping.h>
#include <asm/div64.h>
#include "cx88.h"
diff --git a/linux/drivers/media/video/ivtv/ivtv-driver.c b/linux/drivers/media/video/ivtv/ivtv-driver.c
index 4031df6db..8fbc34db5 100644
--- a/linux/drivers/media/video/ivtv/ivtv-driver.c
+++ b/linux/drivers/media/video/ivtv/ivtv-driver.c
@@ -74,7 +74,7 @@ int ivtv_first_minor = 0;
struct ivtv *ivtv_cards[IVTV_MAX_CARDS];
/* Protects ivtv_cards_active */
-spinlock_t ivtv_cards_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(ivtv_cards_lock);
/* add your revision and whatnot here */
static struct pci_device_id ivtv_pci_tbl[] __devinitdata = {
diff --git a/linux/drivers/media/video/v4l1-compat.c b/linux/drivers/media/video/v4l1-compat.c
index 2e42ee3a2..253771b0b 100644
--- a/linux/drivers/media/video/v4l1-compat.c
+++ b/linux/drivers/media/video/v4l1-compat.c
@@ -129,7 +129,7 @@ set_v4l_control(struct inode *inode,
/* ----------------------------------------------------------------- */
-static int palette2pixelformat[] = {
+const static unsigned int palette2pixelformat[] = {
[VIDEO_PALETTE_GREY] = V4L2_PIX_FMT_GREY,
[VIDEO_PALETTE_RGB555] = V4L2_PIX_FMT_RGB555,
[VIDEO_PALETTE_RGB565] = V4L2_PIX_FMT_RGB565,
@@ -147,7 +147,7 @@ static int palette2pixelformat[] = {
[VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P,
};
-static unsigned int
+static unsigned int __attribute_pure__
palette_to_pixelformat(unsigned int palette)
{
if (palette < ARRAY_SIZE(palette2pixelformat))
@@ -156,8 +156,8 @@ palette_to_pixelformat(unsigned int palette)
return 0;
}
-static unsigned int
-pixelformat_to_palette(int pixelformat)
+static unsigned int __attribute_const__
+pixelformat_to_palette(unsigned int pixelformat)
{
int palette = 0;
switch (pixelformat)
@@ -629,6 +629,8 @@ v4l_compat_translate_ioctl(struct inode *inode,
case VIDIOCSPICT: /* set tone controls & partial capture format */
{
struct video_picture *pict = arg;
+ int mem_err = 0, ovl_err = 0;
+
memset(&fbuf2, 0, sizeof(fbuf2));
set_v4l_control(inode, file,
@@ -641,33 +643,61 @@ v4l_compat_translate_ioctl(struct inode *inode,
V4L2_CID_SATURATION, pict->colour, drv);
set_v4l_control(inode, file,
V4L2_CID_WHITENESS, pict->whiteness, drv);
+ /*
+ * V4L1 uses this ioctl to set both memory capture and overlay
+ * pixel format, while V4L2 has two different ioctls for this.
+ * Some cards may not support one or the other, and may support
+ * different pixel formats for memory vs overlay.
+ */
fmt2 = kzalloc(sizeof(*fmt2),GFP_KERNEL);
fmt2->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
err = drv(inode, file, VIDIOC_G_FMT, fmt2);
- if (err < 0)
+ /* If VIDIOC_G_FMT failed, then the driver likely doesn't
+ support memory capture. Trying to set the memory capture
+ parameters would be pointless. */
+ if (err < 0) {
dprintk("VIDIOCSPICT / VIDIOC_G_FMT: %d\n",err);
- if (fmt2->fmt.pix.pixelformat !=
- palette_to_pixelformat(pict->palette)) {
+ mem_err = -1000; /* didn't even try */
+ } else if (fmt2->fmt.pix.pixelformat !=
+ palette_to_pixelformat(pict->palette)) {
fmt2->fmt.pix.pixelformat = palette_to_pixelformat(
pict->palette);
- err = drv(inode, file, VIDIOC_S_FMT, fmt2);
- if (err < 0)
- dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",err);
+ mem_err = drv(inode, file, VIDIOC_S_FMT, fmt2);
+ if (mem_err < 0)
+ dprintk("VIDIOCSPICT / VIDIOC_S_FMT: %d\n",
+ mem_err);
}
err = drv(inode, file, VIDIOC_G_FBUF, &fbuf2);
- if (err < 0)
+ /* If VIDIOC_G_FBUF failed, then the driver likely doesn't
+ support overlay. Trying to set the overlay parameters
+ would be quite pointless. */
+ if (err < 0) {
dprintk("VIDIOCSPICT / VIDIOC_G_FBUF: %d\n",err);
- if (fbuf2.fmt.pixelformat !=
- palette_to_pixelformat(pict->palette)) {
+ ovl_err = -1000; /* didn't even try */
+ } else if (fbuf2.fmt.pixelformat !=
+ palette_to_pixelformat(pict->palette)) {
fbuf2.fmt.pixelformat = palette_to_pixelformat(
pict->palette);
- err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
- if (err < 0)
- dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",err);
- err = 0; /* likely fails for non-root */
+ ovl_err = drv(inode, file, VIDIOC_S_FBUF, &fbuf2);
+ if (ovl_err < 0)
+ dprintk("VIDIOCSPICT / VIDIOC_S_FBUF: %d\n",
+ ovl_err);
+ if (ovl_err == -EPERM)
+ ovl_err = 0;
}
+ if (ovl_err < 0 && mem_err < 0)
+ /* ioctl failed, couldn't set either parameter */
+ if (mem_err != -1000) {
+ err = mem_err;
+ } else if (ovl_err == -EPERM) {
+ err = 0;
+ } else {
+ err = ovl_err;
+ }
+ else
+ err = 0;
break;
}
case VIDIOCGTUNER: /* get tuner information */
diff --git a/linux/drivers/media/video/videodev.c b/linux/drivers/media/video/videodev.c
index 0443be210..b8e022aed 100644
--- a/linux/drivers/media/video/videodev.c
+++ b/linux/drivers/media/video/videodev.c
@@ -461,9 +461,39 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
v4l_print_ioctl(vfd->name, cmd);
}
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
+ /***********************************************************
+ Handles calls to the obsoleted V4L1 API
+ Due to the nature of VIDIOCGMBUF, each driver that supports
+ V4L1 should implement its own handler for this ioctl.
+ ***********************************************************/
+
+ /* --- streaming capture ------------------------------------- */
+ if (cmd == VIDIOCGMBUF) {
+ struct video_mbuf *p=arg;
+
+ memset(p,0,sizeof(p));
+
+ if (!vfd->vidiocgmbuf)
+ return ret;
+ ret=vfd->vidiocgmbuf(file, fh, p);
+ if (!ret)
+ dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",
+ p->size, p->frames,
+ (unsigned long)p->offsets);
+ return ret;
+ }
+
+ /********************************************************
+ All other V4L1 calls are handled by v4l1_compat module.
+ Those calls will be translated into V4L2 calls, and
+ __video_do_ioctl will be called again, with one or more
+ V4L2 ioctls.
+ ********************************************************/
if (_IOC_TYPE(cmd)=='v')
return v4l_compat_translate_ioctl(inode,file,cmd,arg,
__video_do_ioctl);
+#endif
switch(cmd) {
/* --- capabilities ------------------------------------------ */
@@ -815,24 +845,6 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret=vfd->vidioc_overlay(file, fh, *i);
break;
}
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- /* --- streaming capture ------------------------------------- */
- case VIDIOCGMBUF:
- {
- struct video_mbuf *p=arg;
-
- memset(p,0,sizeof(p));
-
- if (!vfd->vidiocgmbuf)
- break;
- ret=vfd->vidiocgmbuf(file, fh, p);
- if (!ret)
- dbgarg (cmd, "size=%d, frames=%d, offsets=0x%08lx\n",
- p->size, p->frames,
- (unsigned long)p->offsets);
- break;
- }
-#endif
case VIDIOC_G_FBUF:
{
struct v4l2_framebuffer *p=arg;
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-09 09:58:52 +0000