X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fvivi.c;h=1b90713b44c535c02969f26f5cc072c443057166;hp=2238a613d664b7b9edebdaef4b0a58195888955c;hb=523f46d6aba9dcb0a2d0fc474ca884e93a7cf198;hpb=8dd90265ac0754da0df47d9c597f25187bb1c947 diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 2238a613d664..1b90713b44c5 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include #include @@ -32,6 +31,7 @@ #include #include #include +#include #include #define VIVI_MODULE_NAME "vivi" @@ -44,15 +44,12 @@ #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); @@ -167,6 +164,11 @@ struct vivi_dev { 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; @@ -457,6 +459,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf) unsigned ms; char str[100]; int h, line = 1; + s32 gain; if (!vbuf) return; @@ -479,6 +482,7 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf) 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, @@ -486,7 +490,8 @@ static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf) 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, @@ -812,7 +817,6 @@ static int vidioc_querycap(struct file *file, void *priv, 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; @@ -975,14 +979,37 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) if (i >= NUM_INPUTS) return -EINVAL; + if (i == dev->input) + return 0; + dev->input = i; precalculate_bars(dev); precalculate_line(dev); return 0; } +static int vidioc_subscribe_event(struct v4l2_fh *fh, + struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_CTRL: + return v4l2_ctrl_subscribe_fh(fh, sub, 0); + default: + return -EINVAL; + } +} + /* --- 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); @@ -1010,10 +1037,17 @@ static unsigned int vivi_poll(struct file *file, struct poll_table_struct *wait) { struct vivi_dev *dev = video_drvdata(file); + struct v4l2_fh *fh = file->private_data; struct vb2_queue *q = &dev->vb_vidq; + unsigned int res; dprintk(dev, 1, "%s\n", __func__); - return vb2_poll(q, file, wait); + res = vb2_poll(q, file, wait); + if (v4l2_event_pending(fh)) + res |= POLLPRI; + else + poll_wait(file, &fh->wait, wait); + return res; } static int vivi_close(struct file *file) @@ -1045,6 +1079,7 @@ static int vivi_mmap(struct file *file, struct vm_area_struct *vma) } static const struct v4l2_ctrl_ops vivi_ctrl_ops = { + .g_volatile_ctrl = vivi_g_volatile_ctrl, .s_ctrl = vivi_s_ctrl, }; @@ -1119,7 +1154,7 @@ static const struct v4l2_ctrl_config vivi_ctrl_string = { static const struct v4l2_file_operations vivi_fops = { .owner = THIS_MODULE, - .open = v4l2_fh_open, + .open = v4l2_fh_open, .release = vivi_close, .read = vivi_read, .poll = vivi_poll, @@ -1143,6 +1178,8 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = { .vidioc_s_input = vidioc_s_input, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, + .vidioc_subscribe_event = vidioc_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static struct video_device vivi_template = { @@ -1213,6 +1250,10 @@ static int __init vivi_create_instance(int inst) 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); @@ -1223,6 +1264,7 @@ static int __init vivi_create_instance(int inst) ret = hdl->error; goto unreg_dev; } + v4l2_ctrl_auto_cluster(2, &dev->autogain, 0, true); dev->v4l2_dev.ctrl_handler = hdl; /* initialize locks */ @@ -1325,9 +1367,8 @@ static int __init vivi_init(void) } 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;