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path: root/drivers/media/video/v4l2-common.c
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Diffstat (limited to 'drivers/media/video/v4l2-common.c')
-rw-r--r--drivers/media/video/v4l2-common.c219
1 files changed, 170 insertions, 49 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 62a7d636ef11..5dbd7c1b362a 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -58,6 +58,8 @@
#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/div64.h>
+#include <linux/video_decoder.h>
+#include <media/v4l2-common.h>
#ifdef CONFIG_KMOD
#include <linux/kmod.h>
@@ -190,55 +192,174 @@ char *v4l2_type_names[] = {
[V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
};
-char *v4l2_ioctl_names[256] = {
- [0 ... 255] = "UNKNOWN",
- [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP",
- [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED",
- [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT",
- [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT",
- [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT",
- [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS",
- [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF",
- [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF",
- [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF",
- [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY",
- [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF",
- [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF",
- [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON",
- [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF",
- [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM",
- [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM",
- [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD",
- [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD",
- [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD",
- [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT",
- [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL",
- [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL",
- [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER",
- [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER",
- [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO",
- [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO",
- [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL",
- [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU",
- [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT",
- [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT",
- [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT",
- [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT",
- [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT",
- [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT",
- [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT",
- [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR",
- [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR",
- [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY",
- [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY",
- [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP",
- [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP",
- [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP",
- [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP",
- [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP",
- [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD",
- [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT",
+/* ------------------------------------------------------------------ */
+/* debug help functions */
+
+#ifdef HAVE_V4L1
+static const char *v4l1_ioctls[] = {
+ [_IOC_NR(VIDIOCGCAP)] = "VIDIOCGCAP",
+ [_IOC_NR(VIDIOCGCHAN)] = "VIDIOCGCHAN",
+ [_IOC_NR(VIDIOCSCHAN)] = "VIDIOCSCHAN",
+ [_IOC_NR(VIDIOCGTUNER)] = "VIDIOCGTUNER",
+ [_IOC_NR(VIDIOCSTUNER)] = "VIDIOCSTUNER",
+ [_IOC_NR(VIDIOCGPICT)] = "VIDIOCGPICT",
+ [_IOC_NR(VIDIOCSPICT)] = "VIDIOCSPICT",
+ [_IOC_NR(VIDIOCCAPTURE)] = "VIDIOCCAPTURE",
+ [_IOC_NR(VIDIOCGWIN)] = "VIDIOCGWIN",
+ [_IOC_NR(VIDIOCSWIN)] = "VIDIOCSWIN",
+ [_IOC_NR(VIDIOCGFBUF)] = "VIDIOCGFBUF",
+ [_IOC_NR(VIDIOCSFBUF)] = "VIDIOCSFBUF",
+ [_IOC_NR(VIDIOCKEY)] = "VIDIOCKEY",
+ [_IOC_NR(VIDIOCGFREQ)] = "VIDIOCGFREQ",
+ [_IOC_NR(VIDIOCSFREQ)] = "VIDIOCSFREQ",
+ [_IOC_NR(VIDIOCGAUDIO)] = "VIDIOCGAUDIO",
+ [_IOC_NR(VIDIOCSAUDIO)] = "VIDIOCSAUDIO",
+ [_IOC_NR(VIDIOCSYNC)] = "VIDIOCSYNC",
+ [_IOC_NR(VIDIOCMCAPTURE)] = "VIDIOCMCAPTURE",
+ [_IOC_NR(VIDIOCGMBUF)] = "VIDIOCGMBUF",
+ [_IOC_NR(VIDIOCGUNIT)] = "VIDIOCGUNIT",
+ [_IOC_NR(VIDIOCGCAPTURE)] = "VIDIOCGCAPTURE",
+ [_IOC_NR(VIDIOCSCAPTURE)] = "VIDIOCSCAPTURE",
+ [_IOC_NR(VIDIOCSPLAYMODE)] = "VIDIOCSPLAYMODE",
+ [_IOC_NR(VIDIOCSWRITEMODE)] = "VIDIOCSWRITEMODE",
+ [_IOC_NR(VIDIOCGPLAYINFO)] = "VIDIOCGPLAYINFO",
+ [_IOC_NR(VIDIOCSMICROCODE)] = "VIDIOCSMICROCODE",
+ [_IOC_NR(VIDIOCGVBIFMT)] = "VIDIOCGVBIFMT",
+ [_IOC_NR(VIDIOCSVBIFMT)] = "VIDIOCSVBIFMT"
};
+#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
+#endif
+
+static const char *v4l2_ioctls[] = {
+ [_IOC_NR(VIDIOC_QUERYCAP)] = "VIDIOC_QUERYCAP",
+ [_IOC_NR(VIDIOC_RESERVED)] = "VIDIOC_RESERVED",
+ [_IOC_NR(VIDIOC_ENUM_FMT)] = "VIDIOC_ENUM_FMT",
+ [_IOC_NR(VIDIOC_G_FMT)] = "VIDIOC_G_FMT",
+ [_IOC_NR(VIDIOC_S_FMT)] = "VIDIOC_S_FMT",
+ [_IOC_NR(VIDIOC_G_MPEGCOMP)] = "VIDIOC_G_MPEGCOMP",
+ [_IOC_NR(VIDIOC_S_MPEGCOMP)] = "VIDIOC_S_MPEGCOMP",
+ [_IOC_NR(VIDIOC_REQBUFS)] = "VIDIOC_REQBUFS",
+ [_IOC_NR(VIDIOC_QUERYBUF)] = "VIDIOC_QUERYBUF",
+ [_IOC_NR(VIDIOC_G_FBUF)] = "VIDIOC_G_FBUF",
+ [_IOC_NR(VIDIOC_S_FBUF)] = "VIDIOC_S_FBUF",
+ [_IOC_NR(VIDIOC_OVERLAY)] = "VIDIOC_OVERLAY",
+ [_IOC_NR(VIDIOC_QBUF)] = "VIDIOC_QBUF",
+ [_IOC_NR(VIDIOC_DQBUF)] = "VIDIOC_DQBUF",
+ [_IOC_NR(VIDIOC_STREAMON)] = "VIDIOC_STREAMON",
+ [_IOC_NR(VIDIOC_STREAMOFF)] = "VIDIOC_STREAMOFF",
+ [_IOC_NR(VIDIOC_G_PARM)] = "VIDIOC_G_PARM",
+ [_IOC_NR(VIDIOC_S_PARM)] = "VIDIOC_S_PARM",
+ [_IOC_NR(VIDIOC_G_STD)] = "VIDIOC_G_STD",
+ [_IOC_NR(VIDIOC_S_STD)] = "VIDIOC_S_STD",
+ [_IOC_NR(VIDIOC_ENUMSTD)] = "VIDIOC_ENUMSTD",
+ [_IOC_NR(VIDIOC_ENUMINPUT)] = "VIDIOC_ENUMINPUT",
+ [_IOC_NR(VIDIOC_G_CTRL)] = "VIDIOC_G_CTRL",
+ [_IOC_NR(VIDIOC_S_CTRL)] = "VIDIOC_S_CTRL",
+ [_IOC_NR(VIDIOC_G_TUNER)] = "VIDIOC_G_TUNER",
+ [_IOC_NR(VIDIOC_S_TUNER)] = "VIDIOC_S_TUNER",
+ [_IOC_NR(VIDIOC_G_AUDIO)] = "VIDIOC_G_AUDIO",
+ [_IOC_NR(VIDIOC_S_AUDIO)] = "VIDIOC_S_AUDIO",
+ [_IOC_NR(VIDIOC_QUERYCTRL)] = "VIDIOC_QUERYCTRL",
+ [_IOC_NR(VIDIOC_QUERYMENU)] = "VIDIOC_QUERYMENU",
+ [_IOC_NR(VIDIOC_G_INPUT)] = "VIDIOC_G_INPUT",
+ [_IOC_NR(VIDIOC_S_INPUT)] = "VIDIOC_S_INPUT",
+ [_IOC_NR(VIDIOC_G_OUTPUT)] = "VIDIOC_G_OUTPUT",
+ [_IOC_NR(VIDIOC_S_OUTPUT)] = "VIDIOC_S_OUTPUT",
+ [_IOC_NR(VIDIOC_ENUMOUTPUT)] = "VIDIOC_ENUMOUTPUT",
+ [_IOC_NR(VIDIOC_G_AUDOUT)] = "VIDIOC_G_AUDOUT",
+ [_IOC_NR(VIDIOC_S_AUDOUT)] = "VIDIOC_S_AUDOUT",
+ [_IOC_NR(VIDIOC_G_MODULATOR)] = "VIDIOC_G_MODULATOR",
+ [_IOC_NR(VIDIOC_S_MODULATOR)] = "VIDIOC_S_MODULATOR",
+ [_IOC_NR(VIDIOC_G_FREQUENCY)] = "VIDIOC_G_FREQUENCY",
+ [_IOC_NR(VIDIOC_S_FREQUENCY)] = "VIDIOC_S_FREQUENCY",
+ [_IOC_NR(VIDIOC_CROPCAP)] = "VIDIOC_CROPCAP",
+ [_IOC_NR(VIDIOC_G_CROP)] = "VIDIOC_G_CROP",
+ [_IOC_NR(VIDIOC_S_CROP)] = "VIDIOC_S_CROP",
+ [_IOC_NR(VIDIOC_G_JPEGCOMP)] = "VIDIOC_G_JPEGCOMP",
+ [_IOC_NR(VIDIOC_S_JPEGCOMP)] = "VIDIOC_S_JPEGCOMP",
+ [_IOC_NR(VIDIOC_QUERYSTD)] = "VIDIOC_QUERYSTD",
+ [_IOC_NR(VIDIOC_TRY_FMT)] = "VIDIOC_TRY_FMT",
+ [_IOC_NR(VIDIOC_ENUMAUDIO)] = "VIDIOC_ENUMAUDIO",
+ [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT",
+ [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY",
+ [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY",
+#if 1
+ [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
+#endif
+ [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS"
+};
+#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
+
+static const char *v4l2_int_ioctls[] = {
+#ifdef HAVE_VIDEO_DECODER
+ [_IOC_NR(DECODER_GET_CAPABILITIES)] = "DECODER_GET_CAPABILITIES",
+ [_IOC_NR(DECODER_GET_STATUS)] = "DECODER_GET_STATUS",
+ [_IOC_NR(DECODER_SET_NORM)] = "DECODER_SET_NORM",
+ [_IOC_NR(DECODER_SET_INPUT)] = "DECODER_SET_INPUT",
+ [_IOC_NR(DECODER_SET_OUTPUT)] = "DECODER_SET_OUTPUT",
+ [_IOC_NR(DECODER_ENABLE_OUTPUT)] = "DECODER_ENABLE_OUTPUT",
+ [_IOC_NR(DECODER_SET_PICTURE)] = "DECODER_SET_PICTURE",
+ [_IOC_NR(DECODER_SET_GPIO)] = "DECODER_SET_GPIO",
+ [_IOC_NR(DECODER_INIT)] = "DECODER_INIT",
+ [_IOC_NR(DECODER_SET_VBI_BYPASS)] = "DECODER_SET_VBI_BYPASS",
+ [_IOC_NR(DECODER_DUMP)] = "DECODER_DUMP",
+#endif
+ [_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO",
+ [_IOC_NR(AUDC_SET_INPUT)] = "AUDC_SET_INPUT",
+
+ [_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR",
+ [_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY",
+ [_IOC_NR(TDA9887_SET_CONFIG)] = "TDA9887_SET_CONFIG",
+
+ [_IOC_NR(VIDIOC_INT_S_REGISTER)] = "VIDIOC_INT_S_REGISTER",
+ [_IOC_NR(VIDIOC_INT_G_REGISTER)] = "VIDIOC_INT_G_REGISTER",
+ [_IOC_NR(VIDIOC_INT_RESET)] = "VIDIOC_INT_RESET",
+ [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
+ [_IOC_NR(VIDIOC_INT_DECODE_VBI_LINE)] = "VIDIOC_INT_DECODE_VBI_LINE",
+ [_IOC_NR(VIDIOC_INT_S_VBI_DATA)] = "VIDIOC_INT_S_VBI_DATA",
+ [_IOC_NR(VIDIOC_INT_G_VBI_DATA)] = "VIDIOC_INT_G_VBI_DATA",
+ [_IOC_NR(VIDIOC_INT_G_CHIP_IDENT)] = "VIDIOC_INT_G_CHIP_IDENT",
+ [_IOC_NR(VIDIOC_INT_I2S_CLOCK_FREQ)] = "VIDIOC_INT_I2S_CLOCK_FREQ"
+};
+#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
+
+/* Common ioctl debug function. This function can be used by
+ external ioctl messages as well as internal V4L ioctl */
+void v4l_printk_ioctl(unsigned int cmd)
+{
+ char *dir;
+
+ switch (_IOC_DIR(cmd)) {
+ case _IOC_NONE: dir = "--"; break;
+ case _IOC_READ: dir = "r-"; break;
+ case _IOC_WRITE: dir = "-w"; break;
+ case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
+ default: dir = "*ERR*"; break;
+ }
+ switch (_IOC_TYPE(cmd)) {
+ case 'd':
+ printk("v4l2_int ioctl %s, dir=%s (0x%08x)\n",
+ (_IOC_NR(cmd) < V4L2_INT_IOCTLS) ?
+ v4l2_int_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
+ break;
+#ifdef HAVE_V4L1
+ case 'v':
+ printk("v4l1 ioctl %s, dir=%s (0x%08x)\n",
+ (_IOC_NR(cmd) < V4L1_IOCTLS) ?
+ v4l1_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
+ break;
+#endif
+ case 'V':
+ printk("v4l2 ioctl %s, dir=%s (0x%08x)\n",
+ (_IOC_NR(cmd) < V4L2_IOCTLS) ?
+ v4l2_ioctls[_IOC_NR(cmd)] : "UNKNOWN", dir, cmd);
+ break;
+
+ default:
+ printk("unknown ioctl '%c', dir=%s, #%d (0x%08x)\n",
+ _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
+ }
+}
/* ----------------------------------------------------------------- */
@@ -253,7 +374,7 @@ EXPORT_SYMBOL(v4l2_prio_check);
EXPORT_SYMBOL(v4l2_field_names);
EXPORT_SYMBOL(v4l2_type_names);
-EXPORT_SYMBOL(v4l2_ioctl_names);
+EXPORT_SYMBOL(v4l_printk_ioctl);
/*
* Local variables: