* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Author: Bill Dirks <bdirks@pacbell.net>
+ * Author: Bill Dirks <bill@thedirks.org>
* based on code by Alan Cox, <alan@cymru.net>
*
*/
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Author: Alan Cox, <alan@redhat.com>
+ * Author: Alan Cox, <alan@lxorguk.ukuu.org.uk>
*
* Fixes:
*/
* Video4linux 1/2 integration by Justin Schoeman
* <justin@suntiger.ee.up.ac.za>
* 2.4 PROCFS support ported from 2.4 kernels by
- * Iñaki García Etxebarria <garetxe@euskalnet.net>
+ * Iñaki García Etxebarria <garetxe@euskalnet.net>
* Makefile fix by "W. Michael Petullo" <mike@flyn.org>
* 2.4 devfs support ported from 2.4 kernels by
* Dan Merillat <dan@merillat.org>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp_lock.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/errno.h>
+#include <linux/i2c.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/div64.h>
-#include <linux/video_decoder.h>
#define __OLD_VIDIOC_ /* To allow fixing old calls*/
#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
-#ifdef CONFIG_KMOD
-#include <linux/kmod.h>
-#endif
-
-#if defined(CONFIG_UST) || defined(CONFIG_UST_MODULE)
-#include <linux/ust.h>
-#endif
-
-
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr");
MODULE_DESCRIPTION("misc helper functions for v4l2 device drivers");
*/
-/* Fill in the fields of a v4l2_standard structure according to the
- 'id' and 'transmission' parameters. Returns negative on error. */
-int v4l2_video_std_construct(struct v4l2_standard *vs,
- int id, char *name)
-{
- u32 index = vs->index;
-
- memset(vs, 0, sizeof(struct v4l2_standard));
- vs->index = index;
- vs->id = id;
- if (id & V4L2_STD_525_60) {
- vs->frameperiod.numerator = 1001;
- vs->frameperiod.denominator = 30000;
- vs->framelines = 525;
- } else {
- vs->frameperiod.numerator = 1;
- vs->frameperiod.denominator = 25;
- vs->framelines = 625;
- }
- strlcpy(vs->name,name,sizeof(vs->name));
- return 0;
-}
-
/* ----------------------------------------------------------------- */
/* priority handling */
memset(global,0,sizeof(*global));
return 0;
}
+EXPORT_SYMBOL(v4l2_prio_init);
int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
enum v4l2_priority new)
*local = new;
return 0;
}
+EXPORT_SYMBOL(v4l2_prio_change);
int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local)
{
return v4l2_prio_change(global,local,V4L2_PRIORITY_DEFAULT);
}
+EXPORT_SYMBOL(v4l2_prio_open);
int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local)
{
atomic_dec(&global->prios[*local]);
return 0;
}
+EXPORT_SYMBOL(v4l2_prio_close);
enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global)
{
return V4L2_PRIORITY_BACKGROUND;
return V4L2_PRIORITY_UNSET;
}
+EXPORT_SYMBOL(v4l2_prio_max);
int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local)
{
return -EBUSY;
return 0;
}
-
-
-/* ----------------------------------------------------------------- */
-/* some arrays for pretty-printing debug messages of enum types */
-
-char *v4l2_field_names[] = {
- [V4L2_FIELD_ANY] = "any",
- [V4L2_FIELD_NONE] = "none",
- [V4L2_FIELD_TOP] = "top",
- [V4L2_FIELD_BOTTOM] = "bottom",
- [V4L2_FIELD_INTERLACED] = "interlaced",
- [V4L2_FIELD_SEQ_TB] = "seq-tb",
- [V4L2_FIELD_SEQ_BT] = "seq-bt",
- [V4L2_FIELD_ALTERNATE] = "alternate",
-};
-
-char *v4l2_type_names[] = {
- [V4L2_BUF_TYPE_VIDEO_CAPTURE] = "video-cap",
- [V4L2_BUF_TYPE_VIDEO_OVERLAY] = "video-over",
- [V4L2_BUF_TYPE_VIDEO_OUTPUT] = "video-out",
- [V4L2_BUF_TYPE_VBI_CAPTURE] = "vbi-cap",
- [V4L2_BUF_TYPE_VBI_OUTPUT] = "vbi-out",
-};
-
-static char *v4l2_memory_names[] = {
- [V4L2_MEMORY_MMAP] = "mmap",
- [V4L2_MEMORY_USERPTR] = "userptr",
- [V4L2_MEMORY_OVERLAY] = "overlay",
-};
-
-#define prt_names(a,arr) (((a)>=0)&&((a)<ARRAY_SIZE(arr)))?arr[a]:"unknown"
-
-/* ------------------------------------------------------------------ */
-/* debug help functions */
-
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-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",
- [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
- [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
- [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS"
-};
-#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
-
-static const char *v4l2_int_ioctls[] = {
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- [_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(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_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE",
- [_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",
- [_IOC_NR(VIDIOC_INT_S_STANDBY)] = "VIDIOC_INT_S_STANDBY",
- [_IOC_NR(VIDIOC_INT_S_AUDIO_ROUTING)] = "VIDIOC_INT_S_AUDIO_ROUTING",
- [_IOC_NR(VIDIOC_INT_G_AUDIO_ROUTING)] = "VIDIOC_INT_G_AUDIO_ROUTING",
- [_IOC_NR(VIDIOC_INT_S_VIDEO_ROUTING)] = "VIDIOC_INT_S_VIDEO_ROUTING",
- [_IOC_NR(VIDIOC_INT_G_VIDEO_ROUTING)] = "VIDIOC_INT_G_VIDEO_ROUTING",
- [_IOC_NR(VIDIOC_INT_S_CRYSTAL_FREQ)] = "VIDIOC_INT_S_CRYSTAL_FREQ"
-};
-#define V4L2_INT_IOCTLS ARRAY_SIZE(v4l2_int_ioctls)
-
-static void v4l_print_pix_fmt (char *s, struct v4l2_pix_format *fmt)
-{
- printk ("%s: width=%d, height=%d, format=%d, field=%s, "
- "bytesperline=%d sizeimage=%d, colorspace=%d\n", s,
- fmt->width,fmt->height,fmt->pixelformat,
- prt_names(fmt->field,v4l2_field_names),
- fmt->bytesperline,fmt->sizeimage,fmt->colorspace);
-};
-
-/* 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 CONFIG_VIDEO_V4L1_COMPAT
- 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);
- }
-}
-
-/* Common ioctl debug function. This function can be used by
- external ioctl messages as well as internal V4L ioctl and its
- arguments */
-void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg)
-{
- printk(s);
- printk(": ");
- v4l_printk_ioctl(cmd);
- switch (cmd) {
- case VIDIOC_INT_G_CHIP_IDENT:
- {
- enum v4l2_chip_ident *p=arg;
- printk ("%s: chip ident=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_PRIORITY:
- case VIDIOC_S_PRIORITY:
- {
- enum v4l2_priority *p=arg;
- printk ("%s: priority=%d\n", s, *p);
- break;
- }
- case VIDIOC_INT_S_TUNER_MODE:
- {
- enum v4l2_tuner_type *p=arg;
- printk ("%s: tuner type=%d\n", s, *p);
- break;
- }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- case DECODER_SET_VBI_BYPASS:
- case DECODER_ENABLE_OUTPUT:
- case DECODER_GET_STATUS:
- case DECODER_SET_OUTPUT:
- case DECODER_SET_INPUT:
- case DECODER_SET_GPIO:
- case DECODER_SET_NORM:
- case VIDIOCCAPTURE:
- case VIDIOCSYNC:
- case VIDIOCSWRITEMODE:
-#endif
- case TUNER_SET_TYPE_ADDR:
- case TUNER_SET_STANDBY:
- case TDA9887_SET_CONFIG:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_OVERLAY_OLD:
-#endif
- case VIDIOC_STREAMOFF:
- case VIDIOC_G_OUTPUT:
- case VIDIOC_S_OUTPUT:
- case VIDIOC_STREAMON:
- case VIDIOC_G_INPUT:
- case VIDIOC_OVERLAY:
- case VIDIOC_S_INPUT:
- {
- int *p=arg;
- printk ("%s: value=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_AUDIO:
- case VIDIOC_S_AUDIO:
- case VIDIOC_ENUMAUDIO:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_G_AUDIO_OLD:
-#endif
- {
- struct v4l2_audio *p=arg;
-
- printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n",
- s,p->index, p->name,p->capability, p->mode);
- break;
- }
- case VIDIOC_G_AUDOUT:
- case VIDIOC_S_AUDOUT:
- case VIDIOC_ENUMAUDOUT:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_G_AUDOUT_OLD:
-#endif
- {
- struct v4l2_audioout *p=arg;
- printk ("%s: index=%d, name=%s, capability=%d, mode=%d\n", s,
- p->index, p->name, p->capability,p->mode);
- break;
- }
- case VIDIOC_QBUF:
- case VIDIOC_DQBUF:
- case VIDIOC_QUERYBUF:
- {
- struct v4l2_buffer *p=arg;
- struct v4l2_timecode *tc=&p->timecode;
- printk ("%s: %02ld:%02d:%02d.%08ld index=%d, type=%s, "
- "bytesused=%d, flags=0x%08x, "
- "field=%0d, sequence=%d, memory=%s, offset/userptr=0x%08lx\n",
- s,
- (p->timestamp.tv_sec/3600),
- (int)(p->timestamp.tv_sec/60)%60,
- (int)(p->timestamp.tv_sec%60),
- p->timestamp.tv_usec,
- p->index,
- prt_names(p->type,v4l2_type_names),
- p->bytesused,p->flags,
- p->field,p->sequence,
- prt_names(p->memory,v4l2_memory_names),
- p->m.userptr);
- printk ("%s: timecode= %02d:%02d:%02d type=%d, "
- "flags=0x%08x, frames=%d, userbits=0x%08x\n",
- s,tc->hours,tc->minutes,tc->seconds,
- tc->type, tc->flags, tc->frames, *(__u32 *) tc->userbits);
- break;
- }
- case VIDIOC_QUERYCAP:
- {
- struct v4l2_capability *p=arg;
- printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, "
- "capabilities=0x%08x\n", s,
- p->driver,p->card,p->bus_info,
- p->version,
- p->capabilities);
- break;
- }
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_S_CTRL_OLD:
-#endif
- {
- struct v4l2_control *p=arg;
- printk ("%s: id=%d, value=%d\n", s, p->id, p->value);
- break;
- }
- case VIDIOC_G_EXT_CTRLS:
- case VIDIOC_S_EXT_CTRLS:
- case VIDIOC_TRY_EXT_CTRLS:
- {
- struct v4l2_ext_controls *p = arg;
- int i;
-
- printk("%s: ctrl_class=%d, count=%d\n", s, p->ctrl_class, p->count);
- for (i = 0; i < p->count; i++) {
- struct v4l2_ext_control *c = &p->controls[i];
- if (cmd == VIDIOC_G_EXT_CTRLS)
- printk("%s: id=%d\n", s, c->id);
- else
- printk("%s: id=%d, value=%d\n", s, c->id, c->value);
- }
- break;
- }
- case VIDIOC_G_CROP:
- case VIDIOC_S_CROP:
- {
- struct v4l2_crop *p=arg;
- /*FIXME: Should also show rect structs */
- printk ("%s: type=%d\n", s, p->type);
- break;
- }
- case VIDIOC_CROPCAP:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_CROPCAP_OLD:
-#endif
- {
- struct v4l2_cropcap *p=arg;
- /*FIXME: Should also show rect structs */
- printk ("%s: type=%d\n", s, p->type);
- break;
- }
- case VIDIOC_INT_DECODE_VBI_LINE:
- {
- struct v4l2_decode_vbi_line *p=arg;
- printk ("%s: is_second_field=%d, ptr=0x%08lx, line=%d, "
- "type=%d\n", s,
- p->is_second_field,(unsigned long)p->p,p->line,p->type);
- break;
- }
- case VIDIOC_ENUM_FMT:
- {
- struct v4l2_fmtdesc *p=arg;
- printk ("%s: index=%d, type=%d, flags=%d, description=%s,"
- " pixelformat=%d\n", s,
- p->index, p->type, p->flags,p->description,
- p->pixelformat);
-
- break;
- }
- case VIDIOC_G_FMT:
- case VIDIOC_S_FMT:
- case VIDIOC_TRY_FMT:
- {
- struct v4l2_format *p=arg;
- printk ("%s: type=%s\n", s,
- prt_names(p->type,v4l2_type_names));
- switch (p->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- v4l_print_pix_fmt (s, &p->fmt.pix);
- break;
- default:
- break;
- }
- }
- case VIDIOC_G_FBUF:
- case VIDIOC_S_FBUF:
- {
- struct v4l2_framebuffer *p=arg;
- printk ("%s: capability=%d, flags=%d, base=0x%08lx\n", s,
- p->capability,p->flags, (unsigned long)p->base);
- v4l_print_pix_fmt (s, &p->fmt);
- break;
- }
- case VIDIOC_G_FREQUENCY:
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *p=arg;
- printk ("%s: tuner=%d, type=%d, frequency=%d\n", s,
- p->tuner,p->type,p->frequency);
- break;
- }
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *p=arg;
- printk ("%s: index=%d, name=%s, type=%d, audioset=%d, "
- "tuner=%d, std=%Ld, status=%d\n", s,
- p->index,p->name,p->type,p->audioset,
- p->tuner,
- (unsigned long long)p->std,
- p->status);
- break;
- }
- case VIDIOC_G_JPEGCOMP:
- case VIDIOC_S_JPEGCOMP:
- {
- struct v4l2_jpegcompression *p=arg;
- printk ("%s: quality=%d, APPn=%d, APP_len=%d, COM_len=%d,"
- " jpeg_markers=%d\n", s,
- p->quality,p->APPn,p->APP_len,
- p->COM_len,p->jpeg_markers);
- break;
- }
- case VIDIOC_G_MODULATOR:
- case VIDIOC_S_MODULATOR:
- {
- struct v4l2_modulator *p=arg;
- printk ("%s: index=%d, name=%s, capability=%d, rangelow=%d,"
- " rangehigh=%d, txsubchans=%d\n", s,
- p->index, p->name,p->capability,p->rangelow,
- p->rangehigh,p->txsubchans);
- break;
- }
- case VIDIOC_G_MPEGCOMP:
- case VIDIOC_S_MPEGCOMP:
- {
- struct v4l2_mpeg_compression *p=arg;
- /*FIXME: Several fields not shown */
- printk ("%s: ts_pid_pmt=%d, ts_pid_audio=%d, ts_pid_video=%d, "
- "ts_pid_pcr=%d, ps_size=%d, au_sample_rate=%d, "
- "au_pesid=%c, vi_frame_rate=%d, vi_frames_per_gop=%d, "
- "vi_bframes_count=%d, vi_pesid=%c\n", s,
- p->ts_pid_pmt,p->ts_pid_audio, p->ts_pid_video,
- p->ts_pid_pcr, p->ps_size, p->au_sample_rate,
- p->au_pesid, p->vi_frame_rate,
- p->vi_frames_per_gop, p->vi_bframes_count,
- p->vi_pesid);
- break;
- }
- case VIDIOC_ENUMOUTPUT:
- {
- struct v4l2_output *p=arg;
- printk ("%s: index=%d, name=%s,type=%d, audioset=%d, "
- "modulator=%d, std=%Ld\n",
- s,p->index,p->name,p->type,p->audioset,
- p->modulator,
- (unsigned long long)p->std);
- break;
- }
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *p=arg;
- printk ("%s: id=%d, type=%d, name=%s, min/max=%d/%d,"
- " step=%d, default=%d, flags=0x%08x\n", s,
- p->id,p->type,p->name,p->minimum,p->maximum,
- p->step,p->default_value,p->flags);
- break;
- }
- case VIDIOC_QUERYMENU:
- {
- struct v4l2_querymenu *p=arg;
- printk ("%s: id=%d, index=%d, name=%s\n", s,
- p->id,p->index,p->name);
- break;
- }
- case VIDIOC_INT_G_REGISTER:
- case VIDIOC_INT_S_REGISTER:
- {
- struct v4l2_register *p=arg;
- printk ("%s: i2c_id=%d, reg=%lu, val=%d\n", s,
- p->i2c_id,p->reg,p->val);
-
- break;
- }
- case VIDIOC_REQBUFS:
- {
- struct v4l2_requestbuffers *p=arg;
- printk ("%s: count=%d, type=%s, memory=%s\n", s,
- p->count,
- prt_names(p->type,v4l2_type_names),
- prt_names(p->memory,v4l2_memory_names));
- break;
- }
- case VIDIOC_INT_S_AUDIO_ROUTING:
- case VIDIOC_INT_S_VIDEO_ROUTING:
- case VIDIOC_INT_G_AUDIO_ROUTING:
- case VIDIOC_INT_G_VIDEO_ROUTING:
- {
- struct v4l2_routing *p=arg;
- printk ("%s: input=0x%x, output=0x%x\n", s, p->input, p->output);
- break;
- }
- case VIDIOC_INT_S_CRYSTAL_FREQ:
- {
- struct v4l2_crystal_freq *p=arg;
- printk ("%s: freq=%u, flags=0x%x\n", s, p->freq, p->flags);
- break;
- }
- case VIDIOC_G_SLICED_VBI_CAP:
- {
- struct v4l2_sliced_vbi_cap *p=arg;
- printk ("%s: service_set=%d\n", s,
- p->service_set);
- break;
- }
- case VIDIOC_INT_S_VBI_DATA:
- case VIDIOC_INT_G_VBI_DATA:
- {
- struct v4l2_sliced_vbi_data *p=arg;
- printk ("%s: id=%d, field=%d, line=%d\n", s,
- p->id, p->field, p->line);
- break;
- }
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *p=arg;
- printk ("%s: index=%d, id=%Ld, name=%s, fps=%d/%d, "
- "framelines=%d\n", s, p->index,
- (unsigned long long)p->id, p->name,
- p->frameperiod.numerator,
- p->frameperiod.denominator,
- p->framelines);
-
- break;
- }
- case VIDIOC_G_PARM:
- case VIDIOC_S_PARM:
-#ifdef __OLD_VIDIOC_
- case VIDIOC_S_PARM_OLD:
-#endif
- {
- struct v4l2_streamparm *p=arg;
- printk ("%s: type=%d\n", s, p->type);
-
- break;
- }
- case VIDIOC_G_TUNER:
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *p=arg;
- printk ("%s: index=%d, name=%s, type=%d, capability=%d, "
- "rangelow=%d, rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=%d, audmode=%d\n", s,
- p->index, p->name, p->type,
- p->capability, p->rangelow,p->rangehigh,
- p->rxsubchans, p->audmode, p->signal,
- p->afc);
- break;
- }
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- case VIDIOCGVBIFMT:
- case VIDIOCSVBIFMT:
- {
- struct vbi_format *p=arg;
- printk ("%s: sampling_rate=%d, samples_per_line=%d, "
- "sample_format=%d, start=%d/%d, count=%d/%d, flags=%d\n", s,
- p->sampling_rate,p->samples_per_line,
- p->sample_format,p->start[0],p->start[1],
- p->count[0],p->count[1],p->flags);
- break;
- }
- case VIDIOCGAUDIO:
- case VIDIOCSAUDIO:
- {
- struct video_audio *p=arg;
- printk ("%s: audio=%d, volume=%d, bass=%d, treble=%d, "
- "flags=%d, name=%s, mode=%d, balance=%d, step=%d\n",
- s,p->audio,p->volume,p->bass, p->treble,
- p->flags,p->name,p->mode,p->balance,p->step);
- break;
- }
- case VIDIOCGFBUF:
- case VIDIOCSFBUF:
- {
- struct video_buffer *p=arg;
- printk ("%s: base=%08lx, height=%d, width=%d, depth=%d, "
- "bytesperline=%d\n", s,
- (unsigned long) p->base, p->height, p->width,
- p->depth,p->bytesperline);
- break;
- }
- case VIDIOCGCAP:
- {
- struct video_capability *p=arg;
- printk ("%s: name=%s, type=%d, channels=%d, audios=%d, "
- "maxwidth=%d, maxheight=%d, minwidth=%d, minheight=%d\n",
- s,p->name,p->type,p->channels,p->audios,
- p->maxwidth,p->maxheight,p->minwidth,
- p->minheight);
-
- break;
- }
- case VIDIOCGCAPTURE:
- case VIDIOCSCAPTURE:
- {
- struct video_capture *p=arg;
- printk ("%s: x=%d, y=%d, width=%d, height=%d, decimation=%d,"
- " flags=%d\n", s,
- p->x, p->y,p->width, p->height,
- p->decimation,p->flags);
- break;
- }
- case VIDIOCGCHAN:
- case VIDIOCSCHAN:
- {
- struct video_channel *p=arg;
- printk ("%s: channel=%d, name=%s, tuners=%d, flags=%d, "
- "type=%d, norm=%d\n", s,
- p->channel,p->name,p->tuners,
- p->flags,p->type,p->norm);
-
- break;
- }
- case VIDIOCSMICROCODE:
- {
- struct video_code *p=arg;
- printk ("%s: loadwhat=%s, datasize=%d\n", s,
- p->loadwhat,p->datasize);
- break;
- }
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *p=arg;
- printk ("%s: flags=%d, inputs=%d, outputs=%d\n", s,
- p->flags,p->inputs,p->outputs);
- break;
- }
- case DECODER_INIT:
- {
- struct video_decoder_init *p=arg;
- printk ("%s: len=%c\n", s, p->len);
- break;
- }
- case VIDIOCGPLAYINFO:
- {
- struct video_info *p=arg;
- printk ("%s: frame_count=%d, h_size=%d, v_size=%d, "
- "smpte_timecode=%d, picture_type=%d, "
- "temporal_reference=%d, user_data=%s\n", s,
- p->frame_count, p->h_size,
- p->v_size, p->smpte_timecode,
- p->picture_type, p->temporal_reference,
- p->user_data);
- break;
- }
- case VIDIOCKEY:
- {
- struct video_key *p=arg;
- printk ("%s: key=%s, flags=%d\n", s,
- p->key, p->flags);
- break;
- }
- case VIDIOCGMBUF:
- {
- struct video_mbuf *p=arg;
- printk ("%s: size=%d, frames=%d, offsets=0x%08lx\n", s,
- p->size,
- p->frames,
- (unsigned long)p->offsets);
- break;
- }
- case VIDIOCMCAPTURE:
- {
- struct video_mmap *p=arg;
- printk ("%s: frame=%d, height=%d, width=%d, format=%d\n", s,
- p->frame,
- p->height, p->width,
- p->format);
- break;
- }
- case VIDIOCGPICT:
- case VIDIOCSPICT:
- case DECODER_SET_PICTURE:
- {
- struct video_picture *p=arg;
-
- printk ("%s: brightness=%d, hue=%d, colour=%d, contrast=%d,"
- " whiteness=%d, depth=%d, palette=%d\n", s,
- p->brightness, p->hue, p->colour,
- p->contrast, p->whiteness, p->depth,
- p->palette);
- break;
- }
- case VIDIOCSPLAYMODE:
- {
- struct video_play_mode *p=arg;
- printk ("%s: mode=%d, p1=%d, p2=%d\n", s,
- p->mode,p->p1,p->p2);
- break;
- }
- case VIDIOCGTUNER:
- case VIDIOCSTUNER:
- {
- struct video_tuner *p=arg;
- printk ("%s: tuner=%d, name=%s, rangelow=%ld, rangehigh=%ld, "
- "flags=%d, mode=%d, signal=%d\n", s,
- p->tuner, p->name,p->rangelow, p->rangehigh,
- p->flags,p->mode, p->signal);
- break;
- }
- case VIDIOCGUNIT:
- {
- struct video_unit *p=arg;
- printk ("%s: video=%d, vbi=%d, radio=%d, audio=%d, "
- "teletext=%d\n", s,
- p->video,p->vbi,p->radio,p->audio,p->teletext);
- break;
- }
- case VIDIOCGWIN:
- case VIDIOCSWIN:
- {
- struct video_window *p=arg;
- printk ("%s: x=%d, y=%d, width=%d, height=%d, chromakey=%d,"
- " flags=%d, clipcount=%d\n", s,
- p->x, p->y,p->width, p->height,
- p->chromakey,p->flags,
- p->clipcount);
- break;
- }
- case VIDIOCGFREQ:
- case VIDIOCSFREQ:
- {
- unsigned long *p=arg;
- printk ("%s: value=%lu\n", s, *p);
- break;
- }
-#endif
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- case VIDIOC_INT_I2S_CLOCK_FREQ:
- case VIDIOC_INT_S_STANDBY:
- case VIDIOC_INT_RESET:
- {
- u32 *p=arg;
-
- printk ("%s: value=%d\n", s, *p);
- break;
- }
- case VIDIOC_G_STD:
- case VIDIOC_S_STD:
- case VIDIOC_QUERYSTD:
- {
- v4l2_std_id *p=arg;
-
- printk ("%s: value=%Lu\n", s, (unsigned long long)*p);
- break;
- }
- }
-}
+EXPORT_SYMBOL(v4l2_prio_check);
/* ----------------------------------------------------------------- */
}
return 0;
}
+EXPORT_SYMBOL(v4l2_ctrl_check);
/* Returns NULL or a character pointer array containing the menu for
the given control ID. The pointer array ends with a NULL pointer.
NULL
};
static const char *mpeg_audio_encoding[] = {
- "Layer I",
- "Layer II",
- "Layer III",
+ "MPEG-1/2 Layer I",
+ "MPEG-1/2 Layer II",
+ "MPEG-1/2 Layer III",
+ "MPEG-2/4 AAC",
+ "AC-3",
NULL
};
static const char *mpeg_audio_l1_bitrate[] = {
"320 kbps",
NULL
};
+ static const char *mpeg_audio_ac3_bitrate[] = {
+ "32 kbps",
+ "40 kbps",
+ "48 kbps",
+ "56 kbps",
+ "64 kbps",
+ "80 kbps",
+ "96 kbps",
+ "112 kbps",
+ "128 kbps",
+ "160 kbps",
+ "192 kbps",
+ "224 kbps",
+ "256 kbps",
+ "320 kbps",
+ "384 kbps",
+ "448 kbps",
+ "512 kbps",
+ "576 kbps",
+ "640 kbps",
+ NULL
+ };
static const char *mpeg_audio_mode[] = {
"Stereo",
"Joint Stereo",
static const char *mpeg_video_encoding[] = {
"MPEG-1",
"MPEG-2",
+ "MPEG-4 AVC",
NULL
};
static const char *mpeg_video_aspect[] = {
"Private packet, IVTV format",
NULL
};
+ static const char *camera_power_line_frequency[] = {
+ "Disabled",
+ "50 Hz",
+ "60 Hz",
+ NULL
+ };
+ static const char *camera_exposure_auto[] = {
+ "Auto Mode",
+ "Manual Mode",
+ "Shutter Priority Mode",
+ "Aperture Priority Mode",
+ NULL
+ };
+ static const char *colorfx[] = {
+ "None",
+ "Black & White",
+ "Sepia",
+ NULL
+ };
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
return mpeg_audio_l2_bitrate;
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
return mpeg_audio_l3_bitrate;
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
+ return mpeg_audio_ac3_bitrate;
case V4L2_CID_MPEG_AUDIO_MODE:
return mpeg_audio_mode;
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
return mpeg_stream_type;
case V4L2_CID_MPEG_STREAM_VBI_FMT:
return mpeg_stream_vbi_fmt;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ return camera_power_line_frequency;
+ case V4L2_CID_EXPOSURE_AUTO:
+ return camera_exposure_auto;
+ case V4L2_CID_COLORFX:
+ return colorfx;
default:
return NULL;
}
}
+EXPORT_SYMBOL(v4l2_ctrl_get_menu);
-/* Fill in a struct v4l2_queryctrl */
-int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
+/* Return the control name. */
+const char *v4l2_ctrl_get_name(u32 id)
{
- const char *name;
-
- qctrl->flags = 0;
- switch (qctrl->id) {
+ switch (id) {
/* USER controls */
- case V4L2_CID_USER_CLASS: name = "User Controls"; break;
- case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break;
- case V4L2_CID_AUDIO_MUTE: name = "Mute"; break;
- case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break;
- case V4L2_CID_AUDIO_BASS: name = "Bass"; break;
- case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break;
- case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break;
- case V4L2_CID_BRIGHTNESS: name = "Brightness"; break;
- case V4L2_CID_CONTRAST: name = "Contrast"; break;
- case V4L2_CID_SATURATION: name = "Saturation"; break;
- case V4L2_CID_HUE: name = "Hue"; break;
+ case V4L2_CID_USER_CLASS: return "User Controls";
+ case V4L2_CID_BRIGHTNESS: return "Brightness";
+ case V4L2_CID_CONTRAST: return "Contrast";
+ case V4L2_CID_SATURATION: return "Saturation";
+ case V4L2_CID_HUE: return "Hue";
+ case V4L2_CID_AUDIO_VOLUME: return "Volume";
+ case V4L2_CID_AUDIO_BALANCE: return "Balance";
+ case V4L2_CID_AUDIO_BASS: return "Bass";
+ case V4L2_CID_AUDIO_TREBLE: return "Treble";
+ case V4L2_CID_AUDIO_MUTE: return "Mute";
+ case V4L2_CID_AUDIO_LOUDNESS: return "Loudness";
+ case V4L2_CID_BLACK_LEVEL: return "Black Level";
+ case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic";
+ case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance";
+ case V4L2_CID_RED_BALANCE: return "Red Balance";
+ case V4L2_CID_BLUE_BALANCE: return "Blue Balance";
+ case V4L2_CID_GAMMA: return "Gamma";
+ case V4L2_CID_EXPOSURE: return "Exposure";
+ case V4L2_CID_AUTOGAIN: return "Gain, Automatic";
+ case V4L2_CID_GAIN: return "Gain";
+ case V4L2_CID_HFLIP: return "Horizontal Flip";
+ case V4L2_CID_VFLIP: return "Vertical Flip";
+ case V4L2_CID_HCENTER: return "Horizontal Center";
+ case V4L2_CID_VCENTER: return "Vertical Center";
+ case V4L2_CID_POWER_LINE_FREQUENCY: return "Power Line Frequency";
+ case V4L2_CID_HUE_AUTO: return "Hue, Automatic";
+ case V4L2_CID_WHITE_BALANCE_TEMPERATURE: return "White Balance Temperature";
+ case V4L2_CID_SHARPNESS: return "Sharpness";
+ case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation";
+ case V4L2_CID_CHROMA_AGC: return "Chroma AGC";
+ case V4L2_CID_COLOR_KILLER: return "Color Killer";
+ case V4L2_CID_COLORFX: return "Color Effects";
/* MPEG controls */
- case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break;
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break;
- case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break;
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break;
- case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break;
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
- case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break;
- case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break;
- case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break;
- case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break;
- case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break;
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break;
- case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break;
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
- case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break;
- case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break;
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break;
- case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break;
+ case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls";
+ case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency";
+ case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding";
+ case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate";
+ case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate";
+ case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate";
+ case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate";
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate";
+ case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode";
+ case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension";
+ case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis";
+ case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC";
+ case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute";
+ case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding";
+ case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect";
+ case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames";
+ case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size";
+ case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure";
+ case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown";
+ case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode";
+ case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate";
+ case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate";
+ case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation";
+ case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute";
+ case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV";
+ case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type";
+ case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID";
+ case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID";
+ case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID";
+ case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID";
+ case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format";
+
+ /* CAMERA controls */
+ case V4L2_CID_CAMERA_CLASS: return "Camera Controls";
+ case V4L2_CID_EXPOSURE_AUTO: return "Auto Exposure";
+ case V4L2_CID_EXPOSURE_ABSOLUTE: return "Exposure Time, Absolute";
+ case V4L2_CID_EXPOSURE_AUTO_PRIORITY: return "Exposure, Dynamic Framerate";
+ case V4L2_CID_PAN_RELATIVE: return "Pan, Relative";
+ case V4L2_CID_TILT_RELATIVE: return "Tilt, Relative";
+ case V4L2_CID_PAN_RESET: return "Pan, Reset";
+ case V4L2_CID_TILT_RESET: return "Tilt, Reset";
+ case V4L2_CID_PAN_ABSOLUTE: return "Pan, Absolute";
+ case V4L2_CID_TILT_ABSOLUTE: return "Tilt, Absolute";
+ case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute";
+ case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative";
+ case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic";
+ case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute";
+ case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative";
+ case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous";
+ case V4L2_CID_PRIVACY: return "Privacy";
default:
- return -EINVAL;
+ return NULL;
}
+}
+EXPORT_SYMBOL(v4l2_ctrl_get_name);
+
+/* Fill in a struct v4l2_queryctrl */
+int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def)
+{
+ const char *name = v4l2_ctrl_get_name(qctrl->id);
+
+ qctrl->flags = 0;
+ if (name == NULL)
+ return -EINVAL;
+
switch (qctrl->id) {
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_LOUDNESS:
+ case V4L2_CID_AUTO_WHITE_BALANCE:
+ case V4L2_CID_AUTOGAIN:
+ case V4L2_CID_HFLIP:
+ case V4L2_CID_VFLIP:
+ case V4L2_CID_HUE_AUTO:
+ case V4L2_CID_CHROMA_AGC:
+ case V4L2_CID_COLOR_KILLER:
+ case V4L2_CID_MPEG_AUDIO_MUTE:
+ case V4L2_CID_MPEG_VIDEO_MUTE:
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
case V4L2_CID_MPEG_VIDEO_PULLDOWN:
+ case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
+ case V4L2_CID_FOCUS_AUTO:
+ case V4L2_CID_PRIVACY:
qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
min = 0;
max = step = 1;
break;
+ case V4L2_CID_PAN_RESET:
+ case V4L2_CID_TILT_RESET:
+ qctrl->type = V4L2_CTRL_TYPE_BUTTON;
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ min = max = step = def = 0;
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
case V4L2_CID_MPEG_AUDIO_ENCODING:
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
+ case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
case V4L2_CID_MPEG_AUDIO_MODE:
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
case V4L2_CID_MPEG_STREAM_TYPE:
case V4L2_CID_MPEG_STREAM_VBI_FMT:
+ case V4L2_CID_EXPOSURE_AUTO:
+ case V4L2_CID_COLORFX:
qctrl->type = V4L2_CTRL_TYPE_MENU;
step = 1;
break;
case V4L2_CID_USER_CLASS:
+ case V4L2_CID_CAMERA_CLASS:
case V4L2_CID_MPEG_CLASS:
qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS;
qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION:
case V4L2_CID_HUE:
+ case V4L2_CID_RED_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
+ case V4L2_CID_GAMMA:
+ case V4L2_CID_SHARPNESS:
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
break;
+ case V4L2_CID_PAN_RELATIVE:
+ case V4L2_CID_TILT_RELATIVE:
+ case V4L2_CID_FOCUS_RELATIVE:
+ case V4L2_CID_ZOOM_RELATIVE:
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ break;
}
qctrl->minimum = min;
qctrl->maximum = max;
qctrl->step = step;
qctrl->default_value = def;
qctrl->reserved[0] = qctrl->reserved[1] = 0;
- snprintf(qctrl->name, sizeof(qctrl->name), name);
+ strlcpy(qctrl->name, name, sizeof(qctrl->name));
return 0;
}
-
-/* Fill in a struct v4l2_queryctrl with standard values based on
- the control ID. */
-int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
-{
- switch (qctrl->id) {
- /* USER controls */
- case V4L2_CID_USER_CLASS:
- case V4L2_CID_MPEG_CLASS:
- return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880);
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_LOUDNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768);
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0);
-
- /* MPEG controls */
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L1_BITRATE_32K,
- V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1,
- V4L2_MPEG_AUDIO_L1_BITRATE_256K);
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L2_BITRATE_32K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_L2_BITRATE_224K);
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L3_BITRATE_32K,
- V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
- V4L2_MPEG_AUDIO_L3_BITRATE_192K);
- case V4L2_CID_MPEG_AUDIO_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_STEREO,
- V4L2_MPEG_AUDIO_MODE_MONO, 1,
- V4L2_MPEG_AUDIO_MODE_STEREO);
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
- case V4L2_CID_MPEG_AUDIO_EMPHASIS:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE,
- V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE);
- case V4L2_CID_MPEG_AUDIO_CRC:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_CRC_NONE,
- V4L2_MPEG_AUDIO_CRC_CRC16, 1,
- V4L2_MPEG_AUDIO_CRC_NONE);
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ASPECT_1x1,
- V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
- V4L2_MPEG_VIDEO_ASPECT_4x3);
- case V4L2_CID_MPEG_VIDEO_B_FRAMES:
- return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12);
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
- case V4L2_CID_MPEG_VIDEO_PULLDOWN:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_TYPE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
- V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_VBI_FMT_NONE,
- V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
- V4L2_MPEG_STREAM_VBI_FMT_NONE);
- default:
- return -EINVAL;
- }
-}
+EXPORT_SYMBOL(v4l2_ctrl_query_fill);
/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
- the menu. The qctrl pointer may be NULL, in which case it is ignored. */
+ the menu. The qctrl pointer may be NULL, in which case it is ignored.
+ If menu_items is NULL, then the menu items are retrieved using
+ v4l2_ctrl_get_menu. */
int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
const char **menu_items)
{
int i;
+ qmenu->reserved = 0;
+ if (menu_items == NULL)
+ menu_items = v4l2_ctrl_get_menu(qmenu->id);
if (menu_items == NULL ||
(qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum)))
return -EINVAL;
for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
if (menu_items[i] == NULL || menu_items[i][0] == '\0')
return -EINVAL;
- snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]);
- qmenu->reserved = 0;
+ strlcpy(qmenu->name, menu_items[qmenu->index], sizeof(qmenu->name));
return 0;
}
+EXPORT_SYMBOL(v4l2_ctrl_query_menu);
+
+/* Fill in a struct v4l2_querymenu based on the specified array of valid
+ menu items (terminated by V4L2_CTRL_MENU_IDS_END).
+ Use this if there are 'holes' in the list of valid menu items. */
+int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids)
+{
+ const char **menu_items = v4l2_ctrl_get_menu(qmenu->id);
+
+ qmenu->reserved = 0;
+ if (menu_items == NULL || ids == NULL)
+ return -EINVAL;
+ while (*ids != V4L2_CTRL_MENU_IDS_END) {
+ if (*ids++ == qmenu->index) {
+ strlcpy(qmenu->name, menu_items[qmenu->index],
+ sizeof(qmenu->name));
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items);
/* ctrl_classes points to an array of u32 pointers, the last element is
a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointer must also be sorted, from low class IDs
+ class. The array of u32 pointers must also be sorted, from low class IDs
to high class IDs.
This function returns the first ID that follows after the given ID.
When no more controls are available 0 is returned. */
u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
{
- u32 ctrl_class;
+ u32 ctrl_class = V4L2_CTRL_ID2CLASS(id);
const u32 *pctrl;
- /* if no query is desired, then just return the control ID */
- if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0)
- return id;
if (ctrl_classes == NULL)
return 0;
+
+ /* if no query is desired, then check if the ID is part of ctrl_classes */
+ if ((id & V4L2_CTRL_FLAG_NEXT_CTRL) == 0) {
+ /* find class */
+ while (*ctrl_classes && V4L2_CTRL_ID2CLASS(**ctrl_classes) != ctrl_class)
+ ctrl_classes++;
+ if (*ctrl_classes == NULL)
+ return 0;
+ pctrl = *ctrl_classes;
+ /* find control ID */
+ while (*pctrl && *pctrl != id) pctrl++;
+ return *pctrl ? id : 0;
+ }
id &= V4L2_CTRL_ID_MASK;
- ctrl_class = V4L2_CTRL_ID2CLASS(id);
id++; /* select next control */
/* find first class that matches (or is greater than) the class of
the ID */
return 0;
return **ctrl_classes;
}
+EXPORT_SYMBOL(v4l2_ctrl_next);
+
+int v4l2_chip_match_host(const struct v4l2_dbg_match *match)
+{
+ switch (match->type) {
+ case V4L2_CHIP_MATCH_HOST:
+ return match->addr == 0;
+ default:
+ return 0;
+ }
+}
+EXPORT_SYMBOL(v4l2_chip_match_host);
+
+#if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
+int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match)
+{
+ int len;
+
+ if (c == NULL || match == NULL)
+ return 0;
+
+ switch (match->type) {
+ case V4L2_CHIP_MATCH_I2C_DRIVER:
+ if (c->driver == NULL || c->driver->driver.name == NULL)
+ return 0;
+ len = strlen(c->driver->driver.name);
+ /* legacy drivers have a ' suffix, don't try to match that */
+ if (len && c->driver->driver.name[len - 1] == '\'')
+ len--;
+ return len && !strncmp(c->driver->driver.name, match->name, len);
+ case V4L2_CHIP_MATCH_I2C_ADDR:
+ return c->addr == match->addr;
+ default:
+ return 0;
+ }
+}
+EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
+
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
+ u32 ident, u32 revision)
+{
+ if (!v4l2_chip_match_i2c_client(c, &chip->match))
+ return 0;
+ if (chip->ident == V4L2_IDENT_NONE) {
+ chip->ident = ident;
+ chip->revision = revision;
+ }
+ else {
+ chip->ident = V4L2_IDENT_AMBIGUOUS;
+ chip->revision = 0;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(v4l2_chip_ident_i2c_client);
/* ----------------------------------------------------------------- */
-EXPORT_SYMBOL(v4l2_video_std_construct);
+/* I2C Helper functions */
-EXPORT_SYMBOL(v4l2_prio_init);
-EXPORT_SYMBOL(v4l2_prio_change);
-EXPORT_SYMBOL(v4l2_prio_open);
-EXPORT_SYMBOL(v4l2_prio_close);
-EXPORT_SYMBOL(v4l2_prio_max);
-EXPORT_SYMBOL(v4l2_prio_check);
-EXPORT_SYMBOL(v4l2_field_names);
-EXPORT_SYMBOL(v4l2_type_names);
-EXPORT_SYMBOL(v4l_printk_ioctl);
-EXPORT_SYMBOL(v4l_printk_ioctl_arg);
+void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
+ const struct v4l2_subdev_ops *ops)
+{
+ v4l2_subdev_init(sd, ops);
+ /* the owner is the same as the i2c_client's driver owner */
+ sd->owner = client->driver->driver.owner;
+ /* i2c_client and v4l2_subdev point to one another */
+ v4l2_set_subdevdata(sd, client);
+ i2c_set_clientdata(client, sd);
+ /* initialize name */
+ snprintf(sd->name, sizeof(sd->name), "%s %d-%04x",
+ client->driver->driver.name, i2c_adapter_id(client->adapter),
+ client->addr);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init);
+
-EXPORT_SYMBOL(v4l2_ctrl_next);
-EXPORT_SYMBOL(v4l2_ctrl_check);
-EXPORT_SYMBOL(v4l2_ctrl_get_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_menu);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+/* Load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
+ returns the v4l2_device and that i2c_get_clientdata(client)
+ returns the v4l2_subdev. */
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ struct v4l2_device *dev = i2c_get_adapdata(adapter);
+ struct v4l2_subdev *sd = NULL;
+ struct i2c_client *client;
+ struct i2c_board_info info;
+
+ BUG_ON(!dev);
+
+ if (module_name)
+ request_module(module_name);
+
+ /* Setup the i2c board info with the device type and
+ the device address. */
+ memset(&info, 0, sizeof(info));
+ strlcpy(info.type, client_type, sizeof(info.type));
+ info.addr = addr;
+
+ /* Create the i2c client */
+ client = i2c_new_device(adapter, &info);
+ /* Note: it is possible in the future that
+ c->driver is NULL if the driver is still being loaded.
+ We need better support from the kernel so that we
+ can easily wait for the load to finish. */
+ if (client == NULL || client->driver == NULL)
+ goto error;
+
+ /* Lock the module so we can safely get the v4l2_subdev pointer */
+ if (!try_module_get(client->driver->driver.owner))
+ goto error;
+ sd = i2c_get_clientdata(client);
+
+ /* Register with the v4l2_device which increases the module's
+ use count as well. */
+ if (v4l2_device_register_subdev(dev, sd))
+ sd = NULL;
+ /* Decrease the module use count to match the first try_module_get. */
+ module_put(client->driver->driver.owner);
+
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
+ return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev);
+
+/* Probe and load an i2c sub-device. It assumes that i2c_get_adapdata(adapter)
+ returns the v4l2_device and that i2c_get_clientdata(client)
+ returns the v4l2_subdev. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type,
+ const unsigned short *addrs)
+{
+ struct v4l2_device *dev = i2c_get_adapdata(adapter);
+ struct v4l2_subdev *sd = NULL;
+ struct i2c_client *client = NULL;
+ struct i2c_board_info info;
+
+ BUG_ON(!dev);
+
+ if (module_name)
+ request_module(module_name);
+
+ /* Setup the i2c board info with the device type and
+ the device address. */
+ memset(&info, 0, sizeof(info));
+ strlcpy(info.type, client_type, sizeof(info.type));
+
+ /* Probe and create the i2c client */
+ client = i2c_new_probed_device(adapter, &info, addrs);
+ /* Note: it is possible in the future that
+ c->driver is NULL if the driver is still being loaded.
+ We need better support from the kernel so that we
+ can easily wait for the load to finish. */
+ if (client == NULL || client->driver == NULL)
+ goto error;
+
+ /* Lock the module so we can safely get the v4l2_subdev pointer */
+ if (!try_module_get(client->driver->driver.owner))
+ goto error;
+ sd = i2c_get_clientdata(client);
+
+ /* Register with the v4l2_device which increases the module's
+ use count as well. */
+ if (v4l2_device_register_subdev(dev, sd))
+ sd = NULL;
+ /* Decrease the module use count to match the first try_module_get. */
+ module_put(client->driver->driver.owner);
+
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
+ return sd;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev,
+ struct i2c_adapter *adapter,
+ const char *module_name, const char *client_type, u8 addr)
+{
+ unsigned short addrs[2] = { addr, I2C_CLIENT_END };
+
+ return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter,
+ module_name, client_type, addrs);
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr);
+
+/* Return i2c client address of v4l2_subdev. */
+unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return client ? client->addr : I2C_CLIENT_END;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_addr);
+
+/* Return a list of I2C tuner addresses to probe. Use only if the tuner
+ addresses are unknown. */
+const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)
+{
+ static const unsigned short radio_addrs[] = {
+#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE)
+ 0x10,
+#endif
+ 0x60,
+ I2C_CLIENT_END
+ };
+ static const unsigned short demod_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b,
+ I2C_CLIENT_END
+ };
+ static const unsigned short tv_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ I2C_CLIENT_END
+ };
+
+ switch (type) {
+ case ADDRS_RADIO:
+ return radio_addrs;
+ case ADDRS_DEMOD:
+ return demod_addrs;
+ case ADDRS_TV:
+ return tv_addrs;
+ case ADDRS_TV_WITH_DEMOD:
+ return tv_addrs + 4;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs);
+
+#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff