printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\
} while (0)
+#define dbgarg3(fmt, arg...) \
+ do { \
+ if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) \
+ printk(KERN_CONT "%s: " fmt, vfd->name, ## arg);\
+ } while (0)
+
+/* Zero out the end of the struct pointed to by p. Everthing after, but
+ * not including, the specified field is cleared. */
+#define CLEAR_AFTER_FIELD(p, field) \
+ memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \
+ 0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field))
+
struct std_descr {
v4l2_std_id std;
const char *descr;
[_IOC_NR(VIDIOC_DBG_G_CHIP_IDENT)] = "VIDIOC_DBG_G_CHIP_IDENT",
[_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK",
#endif
+ [_IOC_NR(VIDIOC_ENUM_DV_PRESETS)] = "VIDIOC_ENUM_DV_PRESETS",
+ [_IOC_NR(VIDIOC_S_DV_PRESET)] = "VIDIOC_S_DV_PRESET",
+ [_IOC_NR(VIDIOC_G_DV_PRESET)] = "VIDIOC_G_DV_PRESET",
+ [_IOC_NR(VIDIOC_QUERY_DV_PRESET)] = "VIDIOC_QUERY_DV_PRESET",
+ [_IOC_NR(VIDIOC_S_DV_TIMINGS)] = "VIDIOC_S_DV_TIMINGS",
+ [_IOC_NR(VIDIOC_G_DV_TIMINGS)] = "VIDIOC_G_DV_TIMINGS",
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
-static const char *v4l2_int_ioctls[] = {
- [_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(TUNER_SET_CONFIG)] = "TUNER_SET_CONFIG",
-
- [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)] = "VIDIOC_INT_S_TUNER_MODE",
- [_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_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",
- [_IOC_NR(VIDIOC_INT_INIT)] = "VIDIOC_INT_INIT",
- [_IOC_NR(VIDIOC_INT_G_STD_OUTPUT)] = "VIDIOC_INT_G_STD_OUTPUT",
- [_IOC_NR(VIDIOC_INT_S_STD_OUTPUT)] = "VIDIOC_INT_S_STD_OUTPUT",
-};
-#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)
switch (_IOC_TYPE(cmd)) {
case 'd':
- if (_IOC_NR(cmd) >= V4L2_INT_IOCTLS) {
- type = "v4l2_int";
- break;
- }
- printk("%s", v4l2_int_ioctls[_IOC_NR(cmd)]);
- return;
+ type = "v4l2_int";
+ break;
#ifdef CONFIG_VIDEO_V4L1_COMPAT
case 'v':
if (_IOC_NR(cmd) >= V4L1_IOCTLS) {
dbgarg(cmd, "");
printk(KERN_CONT "class=0x%x", c->ctrl_class);
for (i = 0; i < c->count; i++) {
- if (show_vals)
+ if (show_vals && !c->controls[i].size)
printk(KERN_CONT " id/val=0x%x/0x%x",
c->controls[i].id, c->controls[i].value);
else
- printk(KERN_CONT " id=0x%x", c->controls[i].id);
+ printk(KERN_CONT " id=0x%x,size=%u",
+ c->controls[i].id, c->controls[i].size);
}
printk(KERN_CONT "\n");
};
/* zero the reserved fields */
c->reserved[0] = c->reserved[1] = 0;
- for (i = 0; i < c->count; i++) {
+ for (i = 0; i < c->count; i++)
c->controls[i].reserved2[0] = 0;
- c->controls[i].reserved2[1] = 0;
- }
+
/* V4L2_CID_PRIVATE_BASE cannot be used as control class
when using extended controls.
Only when passed in through VIDIOC_G_CTRL and VIDIOC_S_CTRL
switch (type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (ops->vidioc_try_fmt_vid_cap)
+ if (ops->vidioc_g_fmt_vid_cap)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
- if (ops->vidioc_try_fmt_vid_overlay)
+ if (ops->vidioc_g_fmt_vid_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (ops->vidioc_try_fmt_vid_out)
+ if (ops->vidioc_g_fmt_vid_out)
return 0;
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
- if (ops->vidioc_try_fmt_vid_out_overlay)
+ if (ops->vidioc_g_fmt_vid_out_overlay)
return 0;
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
- if (ops->vidioc_try_fmt_vbi_cap)
+ if (ops->vidioc_g_fmt_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
- if (ops->vidioc_try_fmt_vbi_out)
+ if (ops->vidioc_g_fmt_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
- if (ops->vidioc_try_fmt_sliced_vbi_cap)
+ if (ops->vidioc_g_fmt_sliced_vbi_cap)
return 0;
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
- if (ops->vidioc_try_fmt_sliced_vbi_out)
+ if (ops->vidioc_g_fmt_sliced_vbi_out)
return 0;
break;
case V4L2_BUF_TYPE_PRIVATE:
- if (ops->vidioc_try_fmt_type_private)
+ if (ops->vidioc_g_fmt_type_private)
return 0;
break;
}
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
if (ops->vidioc_s_fmt_vid_cap)
ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_s_fmt_vid_overlay)
ret = ops->vidioc_s_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
v4l_print_pix_fmt(vfd, &f->fmt.pix);
if (ops->vidioc_s_fmt_vid_out)
ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_s_fmt_vid_out_overlay)
ret = ops->vidioc_s_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_s_fmt_vbi_cap)
ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_s_fmt_vbi_out)
ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_s_fmt_sliced_vbi_cap)
ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_s_fmt_sliced_vbi_out)
ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
+ /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
if (ops->vidioc_s_fmt_type_private)
ret = ops->vidioc_s_fmt_type_private(file,
fh, f);
v4l2_type_names));
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
if (ops->vidioc_try_fmt_vid_cap)
ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_try_fmt_vid_overlay)
ret = ops->vidioc_try_fmt_vid_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.pix);
if (ops->vidioc_try_fmt_vid_out)
ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
if (!ret)
v4l_print_pix_fmt(vfd, &f->fmt.pix);
break;
case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+ CLEAR_AFTER_FIELD(f, fmt.win);
if (ops->vidioc_try_fmt_vid_out_overlay)
ret = ops->vidioc_try_fmt_vid_out_overlay(file,
fh, f);
break;
case V4L2_BUF_TYPE_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_try_fmt_vbi_cap)
ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
break;
case V4L2_BUF_TYPE_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.vbi);
if (ops->vidioc_try_fmt_vbi_out)
ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_try_fmt_sliced_vbi_cap)
ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
fh, f);
break;
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+ CLEAR_AFTER_FIELD(f, fmt.sliced);
if (ops->vidioc_try_fmt_sliced_vbi_out)
ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
fh, f);
break;
case V4L2_BUF_TYPE_PRIVATE:
+ /* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
if (ops->vidioc_try_fmt_type_private)
ret = ops->vidioc_try_fmt_type_private(file,
fh, f);
if (ret)
break;
+ if (p->type < V4L2_BUF_TYPE_PRIVATE)
+ CLEAR_AFTER_FIELD(p, memory);
+
ret = ops->vidioc_reqbufs(file, fh, p);
dbgarg(cmd, "count=%d, type=%s, memory=%s\n",
p->count,
/* Calls the specific handler */
if (ops->vidioc_g_std)
ret = ops->vidioc_g_std(file, fh, id);
- else
+ else if (vfd->current_norm)
*id = vfd->current_norm;
+ else
+ ret = -EINVAL;
if (!ret)
dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id);
{
struct v4l2_input *p = arg;
+ /*
+ * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
+ * CAP_STD here based on ioctl handler provided by the
+ * driver. If the driver doesn't support these
+ * for a specific input, it must override these flags.
+ */
+ if (ops->vidioc_s_std)
+ p->capabilities |= V4L2_IN_CAP_STD;
+ if (ops->vidioc_s_dv_preset)
+ p->capabilities |= V4L2_IN_CAP_PRESETS;
+ if (ops->vidioc_s_dv_timings)
+ p->capabilities |= V4L2_IN_CAP_CUSTOM_TIMINGS;
+
if (!ops->vidioc_enum_input)
break;
if (!ops->vidioc_enum_output)
break;
+ /*
+ * We set the flags for CAP_PRESETS, CAP_CUSTOM_TIMINGS &
+ * CAP_STD here based on ioctl handler provided by the
+ * driver. If the driver doesn't support these
+ * for a specific output, it must override these flags.
+ */
+ if (ops->vidioc_s_std)
+ p->capabilities |= V4L2_OUT_CAP_STD;
+ if (ops->vidioc_s_dv_preset)
+ p->capabilities |= V4L2_OUT_CAP_PRESETS;
+ if (ops->vidioc_s_dv_timings)
+ p->capabilities |= V4L2_OUT_CAP_CUSTOM_TIMINGS;
+
ret = ops->vidioc_enum_output(file, fh, p);
if (!ret)
dbgarg(cmd, "index=%d, name=%s, type=%d, "
break;
ret = ops->vidioc_g_parm(file, fh, p);
} else {
+ v4l2_std_id std = vfd->current_norm;
+
if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- v4l2_video_std_frame_period(vfd->current_norm,
- &p->parm.capture.timeperframe);
ret = 0;
+ if (ops->vidioc_g_std)
+ ret = ops->vidioc_g_std(file, fh, &std);
+ else if (std == 0)
+ ret = -EINVAL;
+ if (ret == 0)
+ v4l2_video_std_frame_period(std,
+ &p->parm.capture.timeperframe);
}
dbgarg(cmd, "type=%d\n", p->type);
ret = ops->vidioc_enum_framesizes(file, fh, p);
dbgarg(cmd,
- "index=%d, pixelformat=%d, type=%d ",
- p->index, p->pixel_format, p->type);
+ "index=%d, pixelformat=%c%c%c%c, type=%d ",
+ p->index,
+ (p->pixel_format & 0xff),
+ (p->pixel_format >> 8) & 0xff,
+ (p->pixel_format >> 16) & 0xff,
+ (p->pixel_format >> 24) & 0xff,
+ p->type);
switch (p->type) {
case V4L2_FRMSIZE_TYPE_DISCRETE:
- dbgarg2("width = %d, height=%d\n",
+ dbgarg3("width = %d, height=%d\n",
p->discrete.width, p->discrete.height);
break;
case V4L2_FRMSIZE_TYPE_STEPWISE:
- dbgarg2("min %dx%d, max %dx%d, step %dx%d\n",
+ dbgarg3("min %dx%d, max %dx%d, step %dx%d\n",
p->stepwise.min_width, p->stepwise.min_height,
p->stepwise.step_width, p->stepwise.step_height,
p->stepwise.max_width, p->stepwise.max_height);
break;
case V4L2_FRMSIZE_TYPE_CONTINUOUS:
- dbgarg2("continuous\n");
+ dbgarg3("continuous\n");
break;
default:
- dbgarg2("- Unknown type!\n");
+ dbgarg3("- Unknown type!\n");
}
break;
}
break;
}
+ case VIDIOC_ENUM_DV_PRESETS:
+ {
+ struct v4l2_dv_enum_preset *p = arg;
+
+ if (!ops->vidioc_enum_dv_presets)
+ break;
+
+ ret = ops->vidioc_enum_dv_presets(file, fh, p);
+ if (!ret)
+ dbgarg(cmd,
+ "index=%d, preset=%d, name=%s, width=%d,"
+ " height=%d ",
+ p->index, p->preset, p->name, p->width,
+ p->height);
+ break;
+ }
+ case VIDIOC_S_DV_PRESET:
+ {
+ struct v4l2_dv_preset *p = arg;
+
+ if (!ops->vidioc_s_dv_preset)
+ break;
+
+ dbgarg(cmd, "preset=%d\n", p->preset);
+ ret = ops->vidioc_s_dv_preset(file, fh, p);
+ break;
+ }
+ case VIDIOC_G_DV_PRESET:
+ {
+ struct v4l2_dv_preset *p = arg;
+
+ if (!ops->vidioc_g_dv_preset)
+ break;
+
+ ret = ops->vidioc_g_dv_preset(file, fh, p);
+ if (!ret)
+ dbgarg(cmd, "preset=%d\n", p->preset);
+ break;
+ }
+ case VIDIOC_QUERY_DV_PRESET:
+ {
+ struct v4l2_dv_preset *p = arg;
+
+ if (!ops->vidioc_query_dv_preset)
+ break;
+
+ ret = ops->vidioc_query_dv_preset(file, fh, p);
+ if (!ret)
+ dbgarg(cmd, "preset=%d\n", p->preset);
+ break;
+ }
+ case VIDIOC_S_DV_TIMINGS:
+ {
+ struct v4l2_dv_timings *p = arg;
+
+ if (!ops->vidioc_s_dv_timings)
+ break;
+
+ switch (p->type) {
+ case V4L2_DV_BT_656_1120:
+ dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld,"
+ " width=%d, height=%d, polarities=%x,"
+ " hfrontporch=%d, hsync=%d, hbackporch=%d,"
+ " vfrontporch=%d, vsync=%d, vbackporch=%d,"
+ " il_vfrontporch=%d, il_vsync=%d,"
+ " il_vbackporch=%d\n",
+ p->bt.interlaced, p->bt.pixelclock,
+ p->bt.width, p->bt.height, p->bt.polarities,
+ p->bt.hfrontporch, p->bt.hsync,
+ p->bt.hbackporch, p->bt.vfrontporch,
+ p->bt.vsync, p->bt.vbackporch,
+ p->bt.il_vfrontporch, p->bt.il_vsync,
+ p->bt.il_vbackporch);
+ ret = ops->vidioc_s_dv_timings(file, fh, p);
+ break;
+ default:
+ dbgarg2("Unknown type %d!\n", p->type);
+ break;
+ }
+ break;
+ }
+ case VIDIOC_G_DV_TIMINGS:
+ {
+ struct v4l2_dv_timings *p = arg;
+
+ if (!ops->vidioc_g_dv_timings)
+ break;
+
+ ret = ops->vidioc_g_dv_timings(file, fh, p);
+ if (!ret) {
+ switch (p->type) {
+ case V4L2_DV_BT_656_1120:
+ dbgarg2("bt-656/1120:interlaced=%d,"
+ " pixelclock=%lld,"
+ " width=%d, height=%d, polarities=%x,"
+ " hfrontporch=%d, hsync=%d,"
+ " hbackporch=%d, vfrontporch=%d,"
+ " vsync=%d, vbackporch=%d,"
+ " il_vfrontporch=%d, il_vsync=%d,"
+ " il_vbackporch=%d\n",
+ p->bt.interlaced, p->bt.pixelclock,
+ p->bt.width, p->bt.height,
+ p->bt.polarities, p->bt.hfrontporch,
+ p->bt.hsync, p->bt.hbackporch,
+ p->bt.vfrontporch, p->bt.vsync,
+ p->bt.vbackporch, p->bt.il_vfrontporch,
+ p->bt.il_vsync, p->bt.il_vbackporch);
+ break;
+ default:
+ dbgarg2("Unknown type %d!\n", p->type);
+ break;
+ }
+ }
+ break;
+ }
default:
{
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff