#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/font.h>
-#include <linux/version.h>
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/kthread.h>
#define MAX_WIDTH 1920
#define MAX_HEIGHT 1200
-#define VIVI_MAJOR_VERSION 0
-#define VIVI_MINOR_VERSION 8
-#define VIVI_RELEASE 0
-#define VIVI_VERSION \
- KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
+#define VIVI_VERSION "0.8.1"
MODULE_DESCRIPTION("Video Technology Magazine Virtual Video Capture Board");
MODULE_AUTHOR("Mauro Carvalho Chehab, Ted Walther and John Sokol");
MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(VIVI_VERSION);
static unsigned video_nr = -1;
module_param(video_nr, uint, 0644);
struct v4l2_ctrl *contrast;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *hue;
+ struct {
+ /* autogain/gain cluster */
+ struct v4l2_ctrl *autogain;
+ struct v4l2_ctrl *gain;
+ };
struct v4l2_ctrl *volume;
struct v4l2_ctrl *button;
struct v4l2_ctrl *boolean;
unsigned ms;
char str[100];
int h, line = 1;
+ s32 gain;
if (!vbuf)
return;
dev->width, dev->height, dev->input);
gen_text(dev, vbuf, line++ * 16, 16, str);
+ gain = v4l2_ctrl_g_ctrl(dev->gain);
mutex_lock(&dev->ctrl_handler.lock);
snprintf(str, sizeof(str), " brightness %3d, contrast %3d, saturation %3d, hue %d ",
dev->brightness->cur.val,
dev->saturation->cur.val,
dev->hue->cur.val);
gen_text(dev, vbuf, line++ * 16, 16, str);
- snprintf(str, sizeof(str), " volume %3d ", dev->volume->cur.val);
+ snprintf(str, sizeof(str), " autogain %d, gain %3d, volume %3d ",
+ dev->autogain->cur.val, gain, dev->volume->cur.val);
gen_text(dev, vbuf, line++ * 16, 16, str);
snprintf(str, sizeof(str), " int32 %d, int64 %lld ",
dev->int32->cur.val,
strcpy(cap->driver, "vivi");
strcpy(cap->card, "vivi");
strlcpy(cap->bus_info, dev->v4l2_dev.name, sizeof(cap->bus_info));
- cap->version = VIVI_VERSION;
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | \
V4L2_CAP_READWRITE;
return 0;
/* --- controls ---------------------------------------------- */
+static int vivi_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vivi_dev *dev = container_of(ctrl->handler, struct vivi_dev, ctrl_handler);
+
+ if (ctrl == dev->autogain)
+ dev->gain->val = jiffies & 0xff;
+ return 0;
+}
+
static int vivi_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct vivi_dev *dev = container_of(ctrl->handler, struct vivi_dev, ctrl_handler);
}
static const struct v4l2_ctrl_ops vivi_ctrl_ops = {
+ .g_volatile_ctrl = vivi_g_volatile_ctrl,
.s_ctrl = vivi_s_ctrl,
};
V4L2_CID_SATURATION, 0, 255, 1, 127);
dev->hue = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
V4L2_CID_HUE, -128, 127, 1, 0);
+ dev->autogain = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ dev->gain = v4l2_ctrl_new_std(hdl, &vivi_ctrl_ops,
+ V4L2_CID_GAIN, 0, 255, 1, 100);
dev->button = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_button, NULL);
dev->int32 = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_int32, NULL);
dev->int64 = v4l2_ctrl_new_custom(hdl, &vivi_ctrl_int64, NULL);
ret = hdl->error;
goto unreg_dev;
}
+ v4l2_ctrl_auto_cluster(2, &dev->autogain, 0, true);
dev->v4l2_dev.ctrl_handler = hdl;
/* initialize locks */
}
printk(KERN_INFO "Video Technology Magazine Virtual Video "
- "Capture Board ver %u.%u.%u successfully loaded.\n",
- (VIVI_VERSION >> 16) & 0xFF, (VIVI_VERSION >> 8) & 0xFF,
- VIVI_VERSION & 0xFF);
+ "Capture Board ver %s successfully loaded.\n",
+ VIVI_VERSION);
/* n_devs will reflect the actual number of allocated devices */
n_devs = i;