#include <linux/videodev2.h>
#include <linux/version.h>
#include <linux/mm.h>
-#include <linux/smp_lock.h>
#include <media/videobuf-vmalloc.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <linux/usb.h>
#define S2255_MAJOR_VERSION 1
-#define S2255_MINOR_VERSION 20
+#define S2255_MINOR_VERSION 21
#define S2255_RELEASE 0
#define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \
S2255_MINOR_VERSION, \
struct v4l2_device v4l2_dev;
atomic_t num_channels;
int frames;
- struct mutex lock;
+ struct mutex lock; /* channels[].vdev.lock */
struct mutex open_lock;
struct usb_device *udev;
struct usb_interface *interface;
};
/* current cypress EEPROM firmware version */
-#define S2255_CUR_USB_FWVER ((3 << 8) | 6)
+#define S2255_CUR_USB_FWVER ((3 << 8) | 11)
/* current DSP FW version */
-#define S2255_CUR_DSP_FWVER 8
+#define S2255_CUR_DSP_FWVER 10102
/* Need DSP version 5+ for video status feature */
#define S2255_MIN_DSP_STATUS 5
#define S2255_MIN_DSP_COLORFILTER 8
/* start video number */
static int video_nr = -1; /* /dev/videoN, -1 for autodetect */
+/* Enable jpeg capture. */
+static int jpeg_enable = 1;
+
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level(0-100) default 0");
module_param(vid_limit, int, 0644);
MODULE_PARM_DESC(vid_limit, "video memory limit(Mb)");
module_param(video_nr, int, 0644);
MODULE_PARM_DESC(video_nr, "start video minor(-1 default autodetect)");
+module_param(jpeg_enable, int, 0644);
+MODULE_PARM_DESC(jpeg_enable, "Jpeg enable(1-on 0-off) default 1");
/* USB device table */
#define USB_SENSORAY_VID 0x1943
#define BUFFER_TIMEOUT msecs_to_jiffies(400)
/* image formats. */
+/* JPEG formats must be defined last to support jpeg_enable parameter */
static const struct s2255_fmt formats[] = {
{
.name = "4:2:2, planar, YUV422P",
.name = "4:2:2, packed, UYVY",
.fourcc = V4L2_PIX_FMT_UYVY,
.depth = 16
+ }, {
+ .name = "8bpp GREY",
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .depth = 8
}, {
.name = "JPG",
.fourcc = V4L2_PIX_FMT_JPEG,
.depth = 24
}, {
- .name = "8bpp GREY",
- .fourcc = V4L2_PIX_FMT_GREY,
- .depth = 8
+ .name = "MJPG",
+ .fourcc = V4L2_PIX_FMT_MJPEG,
+ .depth = 24
}
};
static void s2255_reset_dsppower(struct s2255_dev *dev)
{
- s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1);
+ s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b01, NULL, 0, 1);
msleep(10);
s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1);
+ msleep(600);
+ s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1);
return;
}
dprintk(2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i);
unlock:
spin_unlock_irqrestore(&dev->slock, flags);
- return 0;
+ return rc;
}
static const struct s2255_fmt *format_by_fourcc(int fourcc)
for (i = 0; i < ARRAY_SIZE(formats); i++) {
if (-1 == formats[i].fourcc)
continue;
+ if (!jpeg_enable && ((formats[i].fourcc == V4L2_PIX_FMT_JPEG) ||
+ (formats[i].fourcc == V4L2_PIX_FMT_MJPEG)))
+ continue;
if (formats[i].fourcc == fourcc)
return formats + i;
}
memcpy(vbuf, tmpbuf, buf->vb.width * buf->vb.height);
break;
case V4L2_PIX_FMT_JPEG:
+ case V4L2_PIX_FMT_MJPEG:
buf->vb.size = jpgsize;
memcpy(vbuf, tmpbuf, buf->vb.size);
break;
static int res_get(struct s2255_fh *fh)
{
- struct s2255_dev *dev = fh->dev;
- /* is it free? */
struct s2255_channel *channel = fh->channel;
- mutex_lock(&dev->lock);
- if (channel->resources) {
- /* no, someone else uses it */
- mutex_unlock(&dev->lock);
- return 0;
- }
+ /* is it free? */
+ if (channel->resources)
+ return 0; /* no, someone else uses it */
/* it's free, grab it */
channel->resources = 1;
fh->resources = 1;
dprintk(1, "s2255: res: get\n");
- mutex_unlock(&dev->lock);
return 1;
}
static void res_free(struct s2255_fh *fh)
{
struct s2255_channel *channel = fh->channel;
- struct s2255_dev *dev = fh->dev;
- mutex_lock(&dev->lock);
channel->resources = 0;
fh->resources = 0;
- mutex_unlock(&dev->lock);
dprintk(1, "res: put\n");
}
if (index >= ARRAY_SIZE(formats))
return -EINVAL;
-
+ if (!jpeg_enable && ((formats[index].fourcc == V4L2_PIX_FMT_JPEG) ||
+ (formats[index].fourcc == V4L2_PIX_FMT_MJPEG)))
+ return -EINVAL;
dprintk(4, "name %s\n", formats[index].name);
strlcpy(f->description, formats[index].name, sizeof(f->description));
f->pixelformat = formats[index].fourcc;
mode.color |= COLOR_Y8;
break;
case V4L2_PIX_FMT_JPEG:
+ case V4L2_PIX_FMT_MJPEG:
mode.color &= ~MASK_COLOR;
mode.color |= COLOR_JPG;
mode.color |= (channel->jc.quality << 8);
return rc;
}
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-static int vidioc_cgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
-{
- struct s2255_fh *fh = priv;
-
- return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
-}
-#endif
-
/* write to the configuration pipe, synchronously */
static int s2255_write_config(struct usb_device *udev, unsigned char *pbuf,
int size)
__le32 *buffer;
unsigned long chn_rev;
struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
- mutex_lock(&dev->lock);
chn_rev = G_chnmap[channel->idx];
dprintk(3, "%s channel: %d\n", __func__, channel->idx);
/* if JPEG, set the quality */
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
- mutex_unlock(&dev->lock);
return -ENOMEM;
}
/* set the mode */
}
/* clear the restart flag */
channel->mode.restart = 0;
- mutex_unlock(&dev->lock);
dprintk(1, "%s chn %d, result: %d\n", __func__, channel->idx, res);
return res;
}
__le32 *buffer;
u32 chn_rev;
struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
- mutex_lock(&dev->lock);
chn_rev = G_chnmap[channel->idx];
dprintk(4, "%s chan %d\n", __func__, channel->idx);
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
- mutex_unlock(&dev->lock);
return -ENOMEM;
}
/* form the get vid status command */
}
*pstatus = channel->vidstatus;
dprintk(4, "%s, vid status %d\n", __func__, *pstatus);
- mutex_unlock(&dev->lock);
return res;
}
NULL, &dev->slock,
fh->type,
V4L2_FIELD_INTERLACED,
- sizeof(struct s2255_buffer), fh);
+ sizeof(struct s2255_buffer),
+ fh, vdev->lock);
return 0;
}
.open = s2255_open,
.release = s2255_release,
.poll = s2255_poll,
- .ioctl = video_ioctl2, /* V4L2 ioctl handler */
+ .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */
.mmap = s2255_mmap_v4l,
};
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- .vidiocgmbuf = vidioc_cgmbuf,
-#endif
.vidioc_s_jpegcomp = vidioc_s_jpegcomp,
.vidioc_g_jpegcomp = vidioc_g_jpegcomp,
.vidioc_s_parm = vidioc_s_parm,
channel->vidq.dev = dev;
/* register 4 video devices */
channel->vdev = template;
+ channel->vdev.lock = &dev->lock;
channel->vdev.v4l2_dev = &dev->v4l2_dev;
video_set_drvdata(&channel->vdev, channel);
if (video_nr == -1)
read_pipe_completion, pipe_info);
if (pipe_info->state != 0) {
- if (usb_submit_urb(pipe_info->stream_urb, GFP_KERNEL)) {
+ if (usb_submit_urb(pipe_info->stream_urb, GFP_ATOMIC)) {
dev_err(&dev->udev->dev, "error submitting urb\n");
}
} else {
struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface));
int i;
int channels = atomic_read(&dev->num_channels);
+ mutex_lock(&dev->lock);
v4l2_device_disconnect(&dev->v4l2_dev);
+ mutex_unlock(&dev->lock);
/*see comments in the uvc_driver.c usb disconnect function */
atomic_inc(&dev->num_channels);
/* unregister each video device. */
projects / firefly-linux-kernel-4.4.55.git / blobdiff