# HG changeset patch
# User Dean Anderson <linux-dev@xxxxxxxxxxxx>
# Date 1271092523 25200
# Node ID 686a2330f4a6a4c79e299a17663f0f150031098e
# Parent f2f44853e2eb914d4fc6c7004631839b86fb6d0e
s2255drv: cleanup of device structure
From: Dean Anderson <linux-dev@xxxxxxxxxxxx>
cleanup of device structure
better organization of channels instead of multiple arrays in device
simplifies open callback by removing search for channel index
adding v4l2_device_disconnect
Priority: normal
Signed-off-by: Dean Anderson <linux-dev@xxxxxxxxxxxx>
diff -r f2f44853e2eb -r 686a2330f4a6 linux/drivers/media/video/s2255drv.c
--- a/linux/drivers/media/video/s2255drv.c Fri Apr 09 15:51:28 2010 -0700
+++ b/linux/drivers/media/video/s2255drv.c Mon Apr 12 10:15:23 2010 -0700
@@ -191,7 +191,6 @@
struct s2255_dmaqueue {
struct list_head active;
struct s2255_dev *dev;
- int channel;
};
/* for firmware loading, fw_state */
@@ -226,51 +225,60 @@
};
struct s2255_fmt; /*forward declaration */
+struct s2255_dev;
+
+struct s2255_channel {
+ struct video_device vdev;
+ int resources;
+ struct s2255_dmaqueue vidq;
+ struct s2255_bufferi buffer;
+ struct s2255_mode mode;
+ /* jpeg compression */
+ struct v4l2_jpegcompression jc;
+ /* capture parameters (for high quality mode full size) */
+ struct v4l2_captureparm cap_parm;
+ int cur_frame;
+ int last_frame;
+
+ int b_acquire;
+ /* allocated image size */
+ unsigned long req_image_size;
+ /* received packet size */
+ unsigned long pkt_size;
+ int bad_payload;
+ unsigned long frame_count;
+ /* if JPEG image */
+ int jpg_size;
+ /* if channel configured to default state */
+ int configured;
+ wait_queue_head_t wait_setmode;
+ int setmode_ready;
+ /* video status items */
+ int vidstatus;
+ wait_queue_head_t wait_vidstatus;
+ int vidstatus_ready;
+ unsigned int width;
+ unsigned int height;
+ const struct s2255_fmt *fmt;
+ int idx; /* channel number on device, 0-3 */
+};
+
struct s2255_dev {
- struct video_device vdev[MAX_CHANNELS];
+ struct s2255_channel channel[MAX_CHANNELS];
struct v4l2_device v4l2_dev;
- atomic_t channels; /* number of channels registered */
+ atomic_t num_channels;
int frames;
struct mutex lock;
struct mutex open_lock;
- int resources[MAX_CHANNELS];
struct usb_device *udev;
struct usb_interface *interface;
u8 read_endpoint;
-
- struct s2255_dmaqueue vidq[MAX_CHANNELS];
struct timer_list timer;
struct s2255_fw *fw_data;
struct s2255_pipeinfo pipe;
- struct s2255_bufferi buffer[MAX_CHANNELS];
- struct s2255_mode mode[MAX_CHANNELS];
- /* jpeg compression */
- struct v4l2_jpegcompression jc[MAX_CHANNELS];
- /* capture parameters (for high quality mode full size) */
- struct v4l2_captureparm cap_parm[MAX_CHANNELS];
- const struct s2255_fmt *cur_fmt[MAX_CHANNELS];
- int cur_frame[MAX_CHANNELS];
- int last_frame[MAX_CHANNELS];
u32 cc; /* current channel */
- int b_acquire[MAX_CHANNELS];
- /* allocated image size */
- unsigned long req_image_size[MAX_CHANNELS];
- /* received packet size */
- unsigned long pkt_size[MAX_CHANNELS];
- int bad_payload[MAX_CHANNELS];
- unsigned long frame_count[MAX_CHANNELS];
int frame_ready;
- /* if JPEG image */
- int jpg_size[MAX_CHANNELS];
- /* if channel configured to default state */
- int chn_configured[MAX_CHANNELS];
- wait_queue_head_t wait_setmode[MAX_CHANNELS];
- int setmode_ready[MAX_CHANNELS];
- /* video status items */
- int vidstatus[MAX_CHANNELS];
- wait_queue_head_t wait_vidstatus[MAX_CHANNELS];
- int vidstatus_ready[MAX_CHANNELS];
int chn_ready;
spinlock_t slock;
/* dsp firmware version (f2255usb.bin) */
@@ -298,16 +306,10 @@
struct s2255_fh {
struct s2255_dev *dev;
- const struct s2255_fmt *fmt;
- unsigned int width;
- unsigned int height;
struct videobuf_queue vb_vidq;
enum v4l2_buf_type type;
- int channel;
- /* mode below is the desired mode.
- mode in s2255_dev is the current mode that was last set */
- struct s2255_mode mode;
- int resources[MAX_CHANNELS];
+ struct s2255_channel *channel;
+ int resources;
};
/* current cypress EEPROM firmware version */
@@ -360,12 +362,11 @@
static int s2255_start_readpipe(struct s2255_dev *dev);
static void s2255_stop_readpipe(struct s2255_dev *dev);
-static int s2255_start_acquire(struct s2255_dev *dev, unsigned long chn);
-static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn);
-static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf,
- int chn, int jpgsize);
-static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
- struct s2255_mode *mode);
+static int s2255_start_acquire(struct s2255_channel *channel);
+static int s2255_stop_acquire(struct s2255_channel *channel);
+static void s2255_fillbuff(struct s2255_channel *chn, struct s2255_buffer *buf,
+ int jpgsize);
+static int s2255_set_mode(struct s2255_channel *chan, struct s2255_mode *mode);
static int s2255_board_shutdown(struct s2255_dev *dev);
static void s2255_fwload_start(struct s2255_dev *dev, int reset);
static void s2255_destroy(struct s2255_dev *dev);
@@ -577,10 +578,11 @@
}
-static int s2255_got_frame(struct s2255_dev *dev, int chn, int jpgsize)
+static int s2255_got_frame(struct s2255_channel *channel, int jpgsize)
{
- struct s2255_dmaqueue *dma_q = &dev->vidq[chn];
+ struct s2255_dmaqueue *dma_q = &channel->vidq;
struct s2255_buffer *buf;
+ struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
unsigned long flags = 0;
int rc = 0;
spin_lock_irqsave(&dev->slock, flags);
@@ -593,7 +595,7 @@
struct s2255_buffer, vb.queue);
list_del(&buf->vb.queue);
do_gettimeofday(&buf->vb.ts);
- s2255_fillbuff(dev, buf, dma_q->channel, jpgsize);
+ s2255_fillbuff(channel, buf, jpgsize);
wake_up(&buf->vb.done);
dprintk(2, "%s: [buf/i] [%p/%d]\n", __func__, buf, buf->vb.i);
unlock:
@@ -621,8 +623,8 @@
* http://v4l.videotechnology.com/
*
*/
-static void s2255_fillbuff(struct s2255_dev *dev, struct s2255_buffer *buf,
- int chn, int jpgsize)
+static void s2255_fillbuff(struct s2255_channel *channel,
+ struct s2255_buffer *buf, int jpgsize)
{
int pos = 0;
struct timeval ts;
@@ -633,12 +635,11 @@
if (!vbuf)
return;
-
- last_frame = dev->last_frame[chn];
+ last_frame = channel->last_frame;
if (last_frame != -1) {
- frm = &dev->buffer[chn].frame[last_frame];
+ frm = &channel->buffer.frame[last_frame];
tmpbuf =
- (const char *)dev->buffer[chn].frame[last_frame].lpvbits;
+ (const char *)channel->buffer.frame[last_frame].lpvbits;
switch (buf->fmt->fourcc) {
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
@@ -661,7 +662,7 @@
default:
printk(KERN_DEBUG "s2255: unknown format?\n");
}
- dev->last_frame[chn] = -1;
+ channel->last_frame = -1;
} else {
printk(KERN_ERR "s2255: =======no frame\n");
return;
@@ -671,7 +672,7 @@
(unsigned long)vbuf, pos);
/* tell v4l buffer was filled */
- buf->vb.field_count = dev->frame_count[chn] * 2;
+ buf->vb.field_count = channel->frame_count * 2;
do_gettimeofday(&ts);
buf->vb.ts = ts;
buf->vb.state = VIDEOBUF_DONE;
@@ -686,8 +687,8 @@
unsigned int *size)
{
struct s2255_fh *fh = vq->priv_data;
-
- *size = fh->width * fh->height * (fh->fmt->depth >> 3);
+ struct s2255_channel *channel = fh->channel;
+ *size = channel->width * channel->height * (channel->fmt->depth >> 3);
if (0 == *count)
*count = S2255_DEF_BUFS;
@@ -710,30 +711,31 @@
enum v4l2_field field)
{
struct s2255_fh *fh = vq->priv_data;
+ struct s2255_channel *channel = fh->channel;
struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
int rc;
+ int w = channel->width;
+ int h = channel->height;
dprintk(4, "%s, field=%d\n", __func__, field);
- if (fh->fmt == NULL)
+ if (channel->fmt == NULL)
return -EINVAL;
- if ((fh->width < norm_minw(&fh->dev->vdev[fh->channel])) ||
- (fh->width > norm_maxw(&fh->dev->vdev[fh->channel])) ||
- (fh->height < norm_minh(&fh->dev->vdev[fh->channel])) ||
- (fh->height > norm_maxh(&fh->dev->vdev[fh->channel]))) {
+ if ((w < norm_minw(&channel->vdev)) ||
+ (w > norm_maxw(&channel->vdev)) ||
+ (h < norm_minh(&channel->vdev)) ||
+ (h > norm_maxh(&channel->vdev))) {
dprintk(4, "invalid buffer prepare\n");
return -EINVAL;
}
-
- buf->vb.size = fh->width * fh->height * (fh->fmt->depth >> 3);
-
+ buf->vb.size = w * h * (channel->fmt->depth >> 3);
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) {
dprintk(4, "invalid buffer prepare\n");
return -EINVAL;
}
- buf->fmt = fh->fmt;
- buf->vb.width = fh->width;
- buf->vb.height = fh->height;
+ buf->fmt = channel->fmt;
+ buf->vb.width = w;
+ buf->vb.height = h;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
@@ -753,8 +755,8 @@
{
struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
struct s2255_fh *fh = vq->priv_data;
- struct s2255_dev *dev = fh->dev;
- struct s2255_dmaqueue *vidq = &dev->vidq[fh->channel];
+ struct s2255_channel *channel = fh->channel;
+ struct s2255_dmaqueue *vidq = &channel->vidq;
dprintk(1, "%s\n", __func__);
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
@@ -765,7 +767,7 @@
{
struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
struct s2255_fh *fh = vq->priv_data;
- dprintk(4, "%s %d\n", __func__, fh->channel);
+ dprintk(4, "%s %d\n", __func__, fh->channel->idx);
free_buffer(vq, buf);
}
@@ -777,39 +779,44 @@
};
-static int res_get(struct s2255_dev *dev, struct s2255_fh *fh)
+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 (dev->resources[fh->channel]) {
+ if (channel->resources) {
/* no, someone else uses it */
mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
- dev->resources[fh->channel] = 1;
- fh->resources[fh->channel] = 1;
+ channel->resources = 1;
+ fh->resources = 1;
dprintk(1, "s2255: res: get\n");
mutex_unlock(&dev->lock);
return 1;
}
-static int res_locked(struct s2255_dev *dev, struct s2255_fh *fh)
+static int res_locked(struct s2255_fh *fh)
{
- return dev->resources[fh->channel];
+ struct s2255_channel *channel = fh->channel;
+ return channel->resources;
}
static int res_check(struct s2255_fh *fh)
{
- return fh->resources[fh->channel];
+ return fh->resources;
}
-static void res_free(struct s2255_dev *dev, struct s2255_fh *fh)
+static void res_free(struct s2255_fh *fh)
{
+ struct s2255_channel *channel = fh->channel;
+ struct s2255_dev *dev = fh->dev;
mutex_lock(&dev->lock);
- dev->resources[fh->channel] = 0;
- fh->resources[fh->channel] = 0;
+ channel->resources = 0;
+ fh->resources = 0;
mutex_unlock(&dev->lock);
dprintk(1, "res: put\n");
}
@@ -869,12 +876,13 @@
struct v4l2_format *f)
{
struct s2255_fh *fh = priv;
+ struct s2255_channel *channel = fh->channel;
- f->fmt.pix.width = fh->width;
- f->fmt.pix.height = fh->height;
+ f->fmt.pix.width = channel->width;
+ f->fmt.pix.height = channel->height;
f->fmt.pix.field = fh->vb_vidq.field;
- f->fmt.pix.pixelformat = fh->fmt->fourcc;
- f->fmt.pix.bytesperline = f->fmt.pix.width * (fh->fmt->depth >> 3);
+ f->fmt.pix.pixelformat = channel->fmt->fourcc;
+ f->fmt.pix.bytesperline = f->fmt.pix.width * (channel->fmt->depth >> 3);
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
return 0;
}
@@ -886,11 +894,10 @@
enum v4l2_field field;
int b_any_field = 0;
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
+ struct s2255_channel *channel = fh->channel;
int is_ntsc;
-
is_ntsc =
- (dev->vdev[fh->channel].current_norm & V4L2_STD_NTSC) ? 1 : 0;
+ (channel->vdev.current_norm & V4L2_STD_NTSC) ? 1 : 0;
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
@@ -982,8 +989,10 @@
struct v4l2_format *f)
{
struct s2255_fh *fh = priv;
+ struct s2255_channel *channel = fh->channel;
const struct s2255_fmt *fmt;
struct videobuf_queue *q = &fh->vb_vidq;
+ struct s2255_mode mode;
int ret;
int norm;
@@ -1005,54 +1014,61 @@
goto out_s_fmt;
}
- if (res_locked(fh->dev, fh)) {
+ if (res_locked(fh)) {
dprintk(1, "%s: channel busy\n", __func__);
ret = -EBUSY;
goto out_s_fmt;
}
-
- fh->fmt = fmt;
- fh->width = f->fmt.pix.width;
- fh->height = f->fmt.pix.height;
+ mode = channel->mode;
+ channel->fmt = fmt;
+ channel->width = f->fmt.pix.width;
+ channel->height = f->fmt.pix.height;
fh->vb_vidq.field = f->fmt.pix.field;
fh->type = f->type;
- norm = norm_minw(&fh->dev->vdev[fh->channel]);
- if (fh->width > norm_minw(&fh->dev->vdev[fh->channel])) {
- if (fh->height > norm_minh(&fh->dev->vdev[fh->channel])) {
- if (fh->dev->cap_parm[fh->channel].capturemode &
+ norm = norm_minw(&channel->vdev);
+ if (channel->width > norm_minw(&channel->vdev)) {
+ if (channel->height > norm_minh(&channel->vdev)) {
+ if (channel->cap_parm.capturemode &
V4L2_MODE_HIGHQUALITY)
- fh->mode.scale = SCALE_4CIFSI;
+ mode.scale = SCALE_4CIFSI;
else
- fh->mode.scale = SCALE_4CIFS;
+ mode.scale = SCALE_4CIFS;
} else
- fh->mode.scale = SCALE_2CIFS;
+ mode.scale = SCALE_2CIFS;
} else {
- fh->mode.scale = SCALE_1CIFS;
+ mode.scale = SCALE_1CIFS;
}
-
/* color mode */
- switch (fh->fmt->fourcc) {
+ switch (channel->fmt->fourcc) {
case V4L2_PIX_FMT_GREY:
- fh->mode.color &= ~MASK_COLOR;
- fh->mode.color |= COLOR_Y8;
+ mode.color &= ~MASK_COLOR;
+ mode.color |= COLOR_Y8;
break;
case V4L2_PIX_FMT_JPEG:
- fh->mode.color &= ~MASK_COLOR;
- fh->mode.color |= COLOR_JPG;
- fh->mode.color |= (fh->dev->jc[fh->channel].quality << 8);
+ mode.color &= ~MASK_COLOR;
+ mode.color |= COLOR_JPG;
+ mode.color |= (channel->jc.quality << 8);
break;
case V4L2_PIX_FMT_YUV422P:
- fh->mode.color &= ~MASK_COLOR;
- fh->mode.color |= COLOR_YUVPL;
+ mode.color &= ~MASK_COLOR;
+ mode.color |= COLOR_YUVPL;
break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
default:
- fh->mode.color &= ~MASK_COLOR;
- fh->mode.color |= COLOR_YUVPK;
+ mode.color &= ~MASK_COLOR;
+ mode.color |= COLOR_YUVPK;
break;
}
+ if ((mode.color & MASK_COLOR) != (channel->mode.color & MASK_COLOR))
+ mode.restart = 1;
+ else if (mode.scale != channel->mode.scale)
+ mode.restart = 1;
+ else if (mode.format != channel->mode.format)
+ mode.restart = 1;
+ channel->mode = mode;
+ (void) s2255_set_mode(channel, &mode);
ret = 0;
out_s_fmt:
mutex_unlock(&q->vb_lock);
@@ -1197,26 +1213,27 @@
* When the restart parameter is set, we sleep for ONE frame to allow the
* DSP time to get the new frame
*/
-static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
+static int s2255_set_mode(struct s2255_channel *channel,
struct s2255_mode *mode)
{
int res;
__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[chn];
- dprintk(3, "%s channel %lu\n", __func__, chn);
+ chn_rev = G_chnmap[channel->idx];
+ dprintk(3, "%s channel: %d\n", __func__, channel->idx);
/* if JPEG, set the quality */
if ((mode->color & MASK_COLOR) == COLOR_JPG) {
mode->color &= ~MASK_COLOR;
mode->color |= COLOR_JPG;
mode->color &= ~MASK_JPG_QUALITY;
- mode->color |= (dev->jc[chn].quality << 8);
+ mode->color |= (channel->jc.quality << 8);
}
/* save the mode */
- dev->mode[chn] = *mode;
- dev->req_image_size[chn] = get_transfer_size(mode);
- dprintk(1, "%s: reqsize %ld\n", __func__, dev->req_image_size[chn]);
+ channel->mode = *mode;
+ channel->req_image_size = get_transfer_size(mode);
+ dprintk(1, "%s: reqsize %ld\n", __func__, channel->req_image_size);
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
@@ -1227,38 +1244,38 @@
buffer[0] = IN_DATA_TOKEN;
buffer[1] = (__le32) cpu_to_le32(chn_rev);
buffer[2] = CMD_SET_MODE;
- memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode));
- dev->setmode_ready[chn] = 0;
+ memcpy(&buffer[3], &channel->mode, sizeof(struct s2255_mode));
+ channel->setmode_ready = 0;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
if (debug)
s2255_print_cfg(dev, mode);
kfree(buffer);
/* wait at least 3 frames before continuing */
if (mode->restart) {
- wait_event_timeout(dev->wait_setmode[chn],
- (dev->setmode_ready[chn] != 0),
+ wait_event_timeout(channel->wait_setmode,
+ (channel->setmode_ready != 0),
msecs_to_jiffies(S2255_SETMODE_TIMEOUT));
- if (dev->setmode_ready[chn] != 1) {
+ if (channel->setmode_ready != 1) {
printk(KERN_DEBUG "s2255: no set mode response\n");
res = -EFAULT;
}
}
/* clear the restart flag */
- dev->mode[chn].restart = 0;
+ channel->mode.restart = 0;
mutex_unlock(&dev->lock);
- dprintk(1, "%s chn %lu, result: %d\n", __func__, chn, res);
+ dprintk(1, "%s chn %d, result: %d\n", __func__, channel->idx, res);
return res;
}
-static int s2255_cmd_status(struct s2255_dev *dev, unsigned long chn,
- u32 *pstatus)
+static int s2255_cmd_status(struct s2255_channel *channel, u32 *pstatus)
{
int 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[chn];
- dprintk(4, "%s chan %lu\n", __func__, chn);
+ 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");
@@ -1270,17 +1287,17 @@
buffer[1] = (__le32) cpu_to_le32(chn_rev);
buffer[2] = CMD_STATUS;
*pstatus = 0;
- dev->vidstatus_ready[chn] = 0;
+ channel->vidstatus_ready = 0;
res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
kfree(buffer);
- wait_event_timeout(dev->wait_vidstatus[chn],
- (dev->vidstatus_ready[chn] != 0),
+ wait_event_timeout(channel->wait_vidstatus,
+ (channel->vidstatus_ready != 0),
msecs_to_jiffies(S2255_VIDSTATUS_TIMEOUT));
- if (dev->vidstatus_ready[chn] != 1) {
+ if (channel->vidstatus_ready != 1) {
printk(KERN_DEBUG "s2255: no vidstatus response\n");
res = -EFAULT;
}
- *pstatus = dev->vidstatus[chn];
+ *pstatus = channel->vidstatus;
dprintk(4, "%s, vid status %d\n", __func__, *pstatus);
mutex_unlock(&dev->lock);
return res;
@@ -1291,9 +1308,7 @@
int res;
struct s2255_fh *fh = priv;
struct s2255_dev *dev = fh->dev;
- struct s2255_mode *new_mode;
- struct s2255_mode *old_mode;
- int chn;
+ struct s2255_channel *channel = fh->channel;
int j;
dprintk(4, "%s\n", __func__);
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
@@ -1305,51 +1320,32 @@
return -EINVAL;
}
- if (!res_get(dev, fh)) {
+ if (!res_get(fh)) {
s2255_dev_err(&dev->udev->dev, "stream busy\n");
return -EBUSY;
}
-
- /* send a set mode command everytime with restart.
- in case we switch resolutions or other parameters */
- chn = fh->channel;
- new_mode = &fh->mode;
- old_mode = &fh->dev->mode[chn];
-
- if ((new_mode->color & MASK_COLOR) != (old_mode->color & MASK_COLOR))
- new_mode->restart = 1;
- else if (new_mode->scale != old_mode->scale)
- new_mode->restart = 1;
- else if (new_mode->format != old_mode->format)
- new_mode->restart = 1;
-
- s2255_set_mode(dev, chn, new_mode);
- new_mode->restart = 0;
- *old_mode = *new_mode;
- dev->cur_fmt[chn] = fh->fmt;
- dev->last_frame[chn] = -1;
- dev->bad_payload[chn] = 0;
- dev->cur_frame[chn] = 0;
- dev->frame_count[chn] = 0;
+ channel->last_frame = -1;
+ channel->bad_payload = 0;
+ channel->cur_frame = 0;
+ channel->frame_count = 0;
for (j = 0; j < SYS_FRAMES; j++) {
- dev->buffer[chn].frame[j].ulState = S2255_READ_IDLE;
- dev->buffer[chn].frame[j].cur_size = 0;
+ channel->buffer.frame[j].ulState = S2255_READ_IDLE;
+ channel->buffer.frame[j].cur_size = 0;
}
res = videobuf_streamon(&fh->vb_vidq);
if (res == 0) {
- s2255_start_acquire(dev, chn);
- dev->b_acquire[chn] = 1;
- } else {
- res_free(dev, fh);
- }
+ s2255_start_acquire(channel);
+ channel->b_acquire = 1;
+ } else
+ res_free(fh);
+
return res;
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
- dprintk(4, "%s\n, channel: %d", __func__, fh->channel);
+ dprintk(4, "%s\n, channel: %d", __func__, fh->channel->idx);
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
printk(KERN_ERR "invalid fh type0\n");
return -EINVAL;
@@ -1358,16 +1354,16 @@
printk(KERN_ERR "invalid type i\n");
return -EINVAL;
}
- s2255_stop_acquire(dev, fh->channel);
+ s2255_stop_acquire(fh->channel);
videobuf_streamoff(&fh->vb_vidq);
- res_free(dev, fh);
+ res_free(fh);
return 0;
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i)
{
struct s2255_fh *fh = priv;
- struct s2255_mode *mode;
+ struct s2255_mode mode;
struct videobuf_queue *q = &fh->vb_vidq;
int ret = 0;
mutex_lock(&q->vb_lock);
@@ -1376,29 +1372,32 @@
ret = -EBUSY;
goto out_s_std;
}
- if (res_locked(fh->dev, fh)) {
+ if (res_locked(fh)) {
dprintk(1, "can't change standard after started\n");
ret = -EBUSY;
goto out_s_std;
}
- mode = &fh->mode;
+ mode = fh->channel->mode;
if (*i & V4L2_STD_NTSC) {
dprintk(4, "%s NTSC\n", __func__);
/* if changing format, reset frame decimation/intervals */
- if (mode->format != FORMAT_NTSC) {
- mode->format = FORMAT_NTSC;
- mode->fdec = FDEC_1;
+ if (mode.format != FORMAT_NTSC) {
+ mode.restart = 1;
+ mode.format = FORMAT_NTSC;
+ mode.fdec = FDEC_1;
}
} else if (*i & V4L2_STD_PAL) {
dprintk(4, "%s PAL\n", __func__);
- mode->format = FORMAT_PAL;
- if (mode->format != FORMAT_PAL) {
- mode->format = FORMAT_PAL;
- mode->fdec = FDEC_1;
+ if (mode.format != FORMAT_PAL) {
+ mode.restart = 1;
+ mode.format = FORMAT_PAL;
+ mode.fdec = FDEC_1;
}
} else {
ret = -EINVAL;
}
+ if (mode.restart)
+ s2255_set_mode(fh->channel, &mode);
out_s_std:
mutex_unlock(&q->vb_lock);
return ret;
@@ -1416,6 +1415,7 @@
{
struct s2255_fh *fh = priv;
struct s2255_dev *dev = fh->dev;
+ struct s2255_channel *channel = fh->channel;
u32 status = 0;
if (inp->index != 0)
return -EINVAL;
@@ -1424,7 +1424,7 @@
inp->status = 0;
if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) {
int rc;
- rc = s2255_cmd_status(dev, fh->channel, &status);
+ rc = s2255_cmd_status(fh->channel, &status);
dprintk(4, "s2255_cmd_status rc: %d status %x\n", rc, status);
if (rc == 0)
inp->status = (status & 0x01) ? 0
@@ -1436,7 +1436,7 @@
strlcpy(inp->name, "Composite", sizeof(inp->name));
break;
case 0x2257:
- strlcpy(inp->name, (fh->channel < 2) ? "Composite" : "S-Video",
+ strlcpy(inp->name, (channel->idx < 2) ? "Composite" : "S-Video",
sizeof(inp->name));
break;
}
@@ -1460,6 +1460,7 @@
struct v4l2_queryctrl *qc)
{
struct s2255_fh *fh = priv;
+ struct s2255_channel *channel = fh->channel;
struct s2255_dev *dev = fh->dev;
switch (qc->id) {
case V4L2_CID_BRIGHTNESS:
@@ -1477,7 +1478,7 @@
case V4L2_CID_PRIVATE_COLORFILTER:
if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER)
return -EINVAL;
- if ((dev->pid == 0x2257) && (fh->channel > 1))
+ if ((dev->pid == 0x2257) && (channel->idx > 1))
return -EINVAL;
strlcpy(qc->name, "Color Filter", sizeof(qc->name));
qc->type = V4L2_CTRL_TYPE_MENU;
@@ -1499,25 +1500,26 @@
{
struct s2255_fh *fh = priv;
struct s2255_dev *dev = fh->dev;
+ struct s2255_channel *channel = fh->channel;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- ctrl->value = fh->mode.bright;
+ ctrl->value = channel->mode.bright;
break;
case V4L2_CID_CONTRAST:
- ctrl->value = fh->mode.contrast;
+ ctrl->value = channel->mode.contrast;
break;
case V4L2_CID_SATURATION:
- ctrl->value = fh->mode.saturation;
+ ctrl->value = channel->mode.saturation;
break;
case V4L2_CID_HUE:
- ctrl->value = fh->mode.hue;
+ ctrl->value = channel->mode.hue;
break;
case V4L2_CID_PRIVATE_COLORFILTER:
if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER)
return -EINVAL;
- if ((dev->pid == 0x2257) && (fh->channel > 1))
+ if ((dev->pid == 0x2257) && (channel->idx > 1))
return -EINVAL;
- ctrl->value = !((fh->mode.color & MASK_INPUT_TYPE) >> 16);
+ ctrl->value = !((channel->mode.color & MASK_INPUT_TYPE) >> 16);
break;
default:
return -EINVAL;
@@ -1530,41 +1532,42 @@
struct v4l2_control *ctrl)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
- struct s2255_mode *mode;
- mode = &fh->mode;
+ struct s2255_channel *channel = fh->channel;
+ struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
+ struct s2255_mode mode;
+ mode = channel->mode;
dprintk(4, "%s\n", __func__);
/* update the mode to the corresponding value */
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- mode->bright = ctrl->value;
+ mode.bright = ctrl->value;
break;
case V4L2_CID_CONTRAST:
- mode->contrast = ctrl->value;
+ mode.contrast = ctrl->value;
break;
case V4L2_CID_HUE:
- mode->hue = ctrl->value;
+ mode.hue = ctrl->value;
break;
case V4L2_CID_SATURATION:
- mode->saturation = ctrl->value;
+ mode.saturation = ctrl->value;
break;
case V4L2_CID_PRIVATE_COLORFILTER:
if (dev->dsp_fw_ver < S2255_MIN_DSP_COLORFILTER)
return -EINVAL;
- if ((dev->pid == 0x2257) && (fh->channel > 1))
+ if ((dev->pid == 0x2257) && (channel->idx > 1))
return -EINVAL;
- mode->color &= ~MASK_INPUT_TYPE;
- mode->color |= ((ctrl->value ? 0 : 1) << 16);
+ mode.color &= ~MASK_INPUT_TYPE;
+ mode.color |= ((ctrl->value ? 0 : 1) << 16);
break;
default:
return -EINVAL;
}
- mode->restart = 0;
+ mode.restart = 0;
/* set mode here. Note: stream does not need restarted.
some V4L programs restart stream unnecessarily
after a s_crtl.
*/
- s2255_set_mode(dev, fh->channel, mode);
+ s2255_set_mode(fh->channel, &mode);
return 0;
}
@@ -1572,8 +1575,8 @@
struct v4l2_jpegcompression *jc)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
- *jc = dev->jc[fh->channel];
+ struct s2255_channel *channel = fh->channel;
+ *jc = channel->jc;
dprintk(2, "%s: quality %d\n", __func__, jc->quality);
return 0;
}
@@ -1582,10 +1585,10 @@
struct v4l2_jpegcompression *jc)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
+ struct s2255_channel *channel = fh->channel;
if (jc->quality < 0 || jc->quality > 100)
return -EINVAL;
- dev->jc[fh->channel].quality = jc->quality;
+ channel->jc.quality = jc->quality;
dprintk(2, "%s: quality %d\n", __func__, jc->quality);
return 0;
}
@@ -1594,17 +1597,17 @@
struct v4l2_streamparm *sp)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
__u32 def_num, def_dem;
+ struct s2255_channel *channel = fh->channel;
if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
memset(sp, 0, sizeof(struct v4l2_streamparm));
sp->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
- sp->parm.capture.capturemode = dev->cap_parm[fh->channel].capturemode;
- def_num = (fh->mode.format == FORMAT_NTSC) ? 1001 : 1000;
- def_dem = (fh->mode.format == FORMAT_NTSC) ? 30000 : 25000;
+ sp->parm.capture.capturemode = channel->cap_parm.capturemode;
+ def_num = (channel->mode.format == FORMAT_NTSC) ? 1001 : 1000;
+ def_dem = (channel->mode.format == FORMAT_NTSC) ? 30000 : 25000;
sp->parm.capture.timeperframe.denominator = def_dem;
- switch (fh->mode.fdec) {
+ switch (channel->mode.fdec) {
default:
case FDEC_1:
sp->parm.capture.timeperframe.numerator = def_num;
@@ -1630,17 +1633,19 @@
struct v4l2_streamparm *sp)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
+ struct s2255_channel *channel = fh->channel;
+ struct s2255_mode mode;
int fdec = FDEC_1;
__u32 def_num, def_dem;
if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
+ mode = channel->mode;
/* high quality capture mode requires a stream restart */
- if (dev->cap_parm[fh->channel].capturemode
- != sp->parm.capture.capturemode && res_locked(fh->dev, fh))
+ if (channel->cap_parm.capturemode
+ != sp->parm.capture.capturemode && res_locked(fh))
return -EBUSY;
- def_num = (fh->mode.format == FORMAT_NTSC) ? 1001 : 1000;
- def_dem = (fh->mode.format == FORMAT_NTSC) ? 30000 : 25000;
+ def_num = (mode.format == FORMAT_NTSC) ? 1001 : 1000;
+ def_dem = (mode.format == FORMAT_NTSC) ? 30000 : 25000;
if (def_dem != sp->parm.capture.timeperframe.denominator)
sp->parm.capture.timeperframe.numerator = def_num;
else if (sp->parm.capture.timeperframe.numerator <= def_num)
@@ -1655,9 +1660,9 @@
sp->parm.capture.timeperframe.numerator = def_num * 5;
fdec = FDEC_5;
}
- fh->mode.fdec = fdec;
+ mode.fdec = fdec;
sp->parm.capture.timeperframe.denominator = def_dem;
- s2255_set_mode(dev, fh->channel, &fh->mode);
+ s2255_set_mode(channel, &mode);
dprintk(4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n",
__func__,
sp->parm.capture.capturemode,
@@ -1707,20 +1712,13 @@
static int s2255_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
- struct s2255_dev *dev = video_drvdata(file);
+ struct s2255_channel *channel = video_drvdata(file);
+ struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev);
struct s2255_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- int i = 0;
- int cur_channel = -1;
int state;
dprintk(1, "s2255: open called (dev=%s)\n",
video_device_node_name(vdev));
-
- for (i = 0; i < MAX_CHANNELS; i++)
- if (&dev->vdev[i] == vdev) {
- cur_channel = i;
- break;
- }
/*
* open lock necessary to prevent multiple instances
* of v4l-conf (or other programs) from simultaneously
@@ -1791,24 +1789,20 @@
file->private_data = fh;
fh->dev = dev;
fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- fh->mode = dev->mode[cur_channel];
- fh->fmt = dev->cur_fmt[cur_channel];
- /* default 4CIF NTSC */
- fh->width = LINE_SZ_4CIFS_NTSC;
- fh->height = NUM_LINES_4CIFS_NTSC * 2;
- fh->channel = cur_channel;
- /* configure channel to default state */
- if (!dev->chn_configured[cur_channel]) {
- s2255_set_mode(dev, cur_channel, &fh->mode);
- dev->chn_configured[cur_channel] = 1;
+ fh->channel = channel;
+ if (!channel->configured) {
+ /* configure channel to default state */
+ channel->fmt = &formats[0];
+ s2255_set_mode(channel, &channel->mode);
+ channel->configured = 1;
}
dprintk(1, "%s: dev=%s type=%s\n", __func__,
video_device_node_name(vdev), v4l2_type_names[type]);
dprintk(2, "%s: fh=0x%08lx, dev=0x%08lx, vidq=0x%08lx\n", __func__,
(unsigned long)fh, (unsigned long)dev,
- (unsigned long)&dev->vidq[cur_channel]);
+ (unsigned long)&channel->vidq);
dprintk(4, "%s: list_empty active=%d\n", __func__,
- list_empty(&dev->vidq[cur_channel].active));
+ list_empty(&channel->vidq.active));
videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops,
NULL, &dev->slock,
fh->type,
@@ -1850,6 +1844,7 @@
mutex_destroy(&dev->open_lock);
mutex_destroy(&dev->lock);
usb_put_dev(dev->udev);
+ v4l2_device_unregister(&dev->v4l2_dev);
dprintk(1, "%s", __func__);
kfree(dev);
}
@@ -1859,14 +1854,15 @@
struct s2255_fh *fh = file->private_data;
struct s2255_dev *dev = fh->dev;
struct video_device *vdev = video_devdata(file);
+ struct s2255_channel *channel = fh->channel;
if (!dev)
return -ENODEV;
/* turn off stream */
if (res_check(fh)) {
- if (dev->b_acquire[fh->channel])
- s2255_stop_acquire(dev, fh->channel);
+ if (channel->b_acquire)
+ s2255_stop_acquire(fh->channel);
videobuf_streamoff(&fh->vb_vidq);
- res_free(dev, fh);
+ res_free(fh);
}
videobuf_mmap_free(&fh->vb_vidq);
dprintk(1, "%s (dev=%s)\n", __func__, video_device_node_name(vdev));
@@ -1930,9 +1926,10 @@
static void s2255_video_device_release(struct video_device *vdev)
{
- struct s2255_dev *dev = video_get_drvdata(vdev);
- dprintk(4, "%s, chnls: %d \n", __func__, atomic_read(&dev->channels));
- if (atomic_dec_and_test(&dev->channels))
+ struct s2255_dev *dev = to_s2255_dev(vdev->v4l2_dev);
+ dprintk(4, "%s, chnls: %d \n", __func__,
+ atomic_read(&dev->num_channels));
+ if (atomic_dec_and_test(&dev->num_channels))
s2255_destroy(dev);
return;
}
@@ -1951,46 +1948,48 @@
int ret;
int i;
int cur_nr = video_nr;
+ struct s2255_channel *channel;
ret = v4l2_device_register(&dev->interface->dev, &dev->v4l2_dev);
if (ret)
return ret;
/* initialize all video 4 linux */
/* register 4 video devices */
for (i = 0; i < MAX_CHANNELS; i++) {
- INIT_LIST_HEAD(&dev->vidq[i].active);
- dev->vidq[i].dev = dev;
- dev->vidq[i].channel = i;
+ channel = &dev->channel[i];
+ INIT_LIST_HEAD(&channel->vidq.active);
+ channel->vidq.dev = dev;
/* register 4 video devices */
- memcpy(&dev->vdev[i], &template, sizeof(struct video_device));
- dev->vdev[i].v4l2_dev = &dev->v4l2_dev;
- video_set_drvdata(&dev->vdev[i], dev);
+ channel->vdev = template;
+ channel->vdev.v4l2_dev = &dev->v4l2_dev;
+ video_set_drvdata(&channel->vdev, channel);
if (video_nr == -1)
- ret = video_register_device(&dev->vdev[i],
+ ret = video_register_device(&channel->vdev,
VFL_TYPE_GRABBER,
video_nr);
else
- ret = video_register_device(&dev->vdev[i],
+ ret = video_register_device(&channel->vdev,
VFL_TYPE_GRABBER,
cur_nr + i);
+
if (ret) {
dev_err(&dev->udev->dev,
"failed to register video device!\n");
break;
}
- atomic_inc(&dev->channels);
+ atomic_inc(&dev->num_channels);
v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n",
- video_device_node_name(&dev->vdev[i]));
+ video_device_node_name(&channel->vdev));
}
printk(KERN_INFO "Sensoray 2255 V4L driver Revision: %d.%d\n",
S2255_MAJOR_VERSION,
S2255_MINOR_VERSION);
/* if no channels registered, return error and probe will fail*/
- if (atomic_read(&dev->channels) == 0) {
+ if (atomic_read(&dev->num_channels) == 0) {
v4l2_device_unregister(&dev->v4l2_dev);
return ret;
}
- if (atomic_read(&dev->channels) != MAX_CHANNELS)
+ if (atomic_read(&dev->num_channels) != MAX_CHANNELS)
printk(KERN_WARNING "s2255: Not all channels available.\n");
return 0;
}
@@ -2017,12 +2016,11 @@
s32 idx = -1;
struct s2255_framei *frm;
unsigned char *pdata;
-
+ struct s2255_channel *channel;
dprintk(100, "buffer to user\n");
-
- idx = dev->cur_frame[dev->cc];
- frm = &dev->buffer[dev->cc].frame[idx];
-
+ channel = &dev->channel[dev->cc];
+ idx = channel->cur_frame;
+ frm = &channel->buffer.frame[idx];
if (frm->ulState == S2255_READ_IDLE) {
int jj;
unsigned int cc;
@@ -2047,16 +2045,18 @@
}
/* reverse it */
dev->cc = G_chnmap[cc];
+ channel = &dev->channel[dev->cc];
payload = pdword[3];
- if (payload > dev->req_image_size[dev->cc]) {
- dev->bad_payload[dev->cc]++;
+ if (payload > channel->req_image_size) {
+ channel->bad_payload++;
/* discard the bad frame */
return -EINVAL;
}
- dev->pkt_size[dev->cc] = payload;
- dev->jpg_size[dev->cc] = pdword[4];
+ channel->pkt_size = payload;
+ channel->jpg_size = pdword[4];
break;
case S2255_MARKER_RESPONSE:
+
pdata += DEF_USB_BLOCK;
jj += DEF_USB_BLOCK;
if (pdword[1] >= MAX_CHANNELS)
@@ -2064,12 +2064,13 @@
cc = G_chnmap[pdword[1]];
if (cc >= MAX_CHANNELS)
break;
+ channel = &dev->channel[cc];
switch (pdword[2]) {
case S2255_RESPONSE_SETMODE:
/* check if channel valid */
/* set mode ready */
- dev->setmode_ready[cc] = 1;
- wake_up(&dev->wait_setmode[cc]);
+ channel->setmode_ready = 1;
+ wake_up(&channel->wait_setmode);
dprintk(5, "setmode ready %d\n", cc);
break;
case S2255_RESPONSE_FW:
@@ -2084,9 +2085,9 @@
wake_up(&dev->fw_data->wait_fw);
break;
case S2255_RESPONSE_STATUS:
- dev->vidstatus[cc] = pdword[3];
- dev->vidstatus_ready[cc] = 1;
- wake_up(&dev->wait_vidstatus[cc]);
+ channel->vidstatus = pdword[3];
+ channel->vidstatus_ready = 1;
+ wake_up(&channel->wait_vidstatus);
dprintk(5, "got vidstatus %x chan %d\n",
pdword[3], cc);
break;
@@ -2103,13 +2104,11 @@
if (!bframe)
return -EINVAL;
}
-
-
- idx = dev->cur_frame[dev->cc];
- frm = &dev->buffer[dev->cc].frame[idx];
-
+ channel = &dev->channel[dev->cc];
+ idx = channel->cur_frame;
+ frm = &channel->buffer.frame[idx];
/* search done. now find out if should be acquiring on this channel */
- if (!dev->b_acquire[dev->cc]) {
+ if (!channel->b_acquire) {
/* we found a frame, but this channel is turned off */
frm->ulState = S2255_READ_IDLE;
return -EINVAL;
@@ -2134,30 +2133,28 @@
copy_size = (pipe_info->cur_transfer_size - offset);
- size = dev->pkt_size[dev->cc] - PREFIX_SIZE;
+ size = channel->pkt_size - PREFIX_SIZE;
/* sanity check on pdest */
- if ((copy_size + frm->cur_size) < dev->req_image_size[dev->cc])
+ if ((copy_size + frm->cur_size) < channel->req_image_size)
memcpy(pdest, psrc, copy_size);
frm->cur_size += copy_size;
dprintk(4, "cur_size size %lu size %lu \n", frm->cur_size, size);
if (frm->cur_size >= size) {
-
- u32 cc = dev->cc;
dprintk(2, "****************[%d]Buffer[%d]full*************\n",
- cc, idx);
- dev->last_frame[cc] = dev->cur_frame[cc];
- dev->cur_frame[cc]++;
+ dev->cc, idx);
+ channel->last_frame = channel->cur_frame;
+ channel->cur_frame++;
/* end of system frame ring buffer, start at zero */
- if ((dev->cur_frame[cc] == SYS_FRAMES) ||
- (dev->cur_frame[cc] == dev->buffer[cc].dwFrames))
- dev->cur_frame[cc] = 0;
+ if ((channel->cur_frame == SYS_FRAMES) ||
+ (channel->cur_frame == channel->buffer.dwFrames))
+ channel->cur_frame = 0;
/* frame ready */
- if (dev->b_acquire[cc])
- s2255_got_frame(dev, cc, dev->jpg_size[cc]);
- dev->frame_count[cc]++;
+ if (channel->b_acquire)
+ s2255_got_frame(channel, channel->jpg_size);
+ channel->frame_count++;
frm->ulState = S2255_READ_IDLE;
frm->cur_size = 0;
@@ -2230,16 +2227,12 @@
* Create the system ring buffer to copy frames into from the
* usb read pipe.
*/
-static int s2255_create_sys_buffers(struct s2255_dev *dev, unsigned long chn)
+static int s2255_create_sys_buffers(struct s2255_channel *channel)
{
unsigned long i;
unsigned long reqsize;
dprintk(1, "create sys buffers\n");
- if (chn >= MAX_CHANNELS)
- return -1;
-
- dev->buffer[chn].dwFrames = SYS_FRAMES;
-
+ channel->buffer.dwFrames = SYS_FRAMES;
/* always allocate maximum size(PAL) for system buffers */
reqsize = SYS_FRAMES_MAXSIZE;
@@ -2248,42 +2241,40 @@
for (i = 0; i < SYS_FRAMES; i++) {
/* allocate the frames */
- dev->buffer[chn].frame[i].lpvbits = vmalloc(reqsize);
-
- dprintk(1, "valloc %p chan %lu, idx %lu, pdata %p\n",
- &dev->buffer[chn].frame[i], chn, i,
- dev->buffer[chn].frame[i].lpvbits);
- dev->buffer[chn].frame[i].size = reqsize;
- if (dev->buffer[chn].frame[i].lpvbits == NULL) {
+ channel->buffer.frame[i].lpvbits = vmalloc(reqsize);
+ dprintk(1, "valloc %p chan %d, idx %lu, pdata %p\n",
+ &channel->buffer.frame[i], channel->idx, i,
+ channel->buffer.frame[i].lpvbits);
+ channel->buffer.frame[i].size = reqsize;
+ if (channel->buffer.frame[i].lpvbits == NULL) {
printk(KERN_INFO "out of memory. using less frames\n");
- dev->buffer[chn].dwFrames = i;
+ channel->buffer.dwFrames = i;
break;
}
}
/* make sure internal states are set */
for (i = 0; i < SYS_FRAMES; i++) {
- dev->buffer[chn].frame[i].ulState = 0;
- dev->buffer[chn].frame[i].cur_size = 0;
+ channel->buffer.frame[i].ulState = 0;
+ channel->buffer.frame[i].cur_size = 0;
}
- dev->cur_frame[chn] = 0;
- dev->last_frame[chn] = -1;
+ channel->cur_frame = 0;
+ channel->last_frame = -1;
return 0;
}
-static int s2255_release_sys_buffers(struct s2255_dev *dev,
- unsigned long channel)
+static int s2255_release_sys_buffers(struct s2255_channel *channel)
{
unsigned long i;
dprintk(1, "release sys buffers\n");
for (i = 0; i < SYS_FRAMES; i++) {
- if (dev->buffer[channel].frame[i].lpvbits) {
+ if (channel->buffer.frame[i].lpvbits) {
dprintk(1, "vfree %p\n",
- dev->buffer[channel].frame[i].lpvbits);
- vfree(dev->buffer[channel].frame[i].lpvbits);
+ channel->buffer.frame[i].lpvbits);
+ vfree(channel->buffer.frame[i].lpvbits);
}
- dev->buffer[channel].frame[i].lpvbits = NULL;
+ channel->buffer.frame[i].lpvbits = NULL;
}
return 0;
}
@@ -2320,17 +2311,20 @@
fw_ver & 0xff);
for (j = 0; j < MAX_CHANNELS; j++) {
- dev->b_acquire[j] = 0;
- dev->mode[j] = mode_def;
+ struct s2255_channel *channel = &dev->channel[j];
+ channel->b_acquire = 0;
+ channel->mode = mode_def;
if (dev->pid == 0x2257 && j > 1)
- dev->mode[j].color |= (1 << 16);
- dev->jc[j].quality = S2255_DEF_JPEG_QUAL;
- dev->cur_fmt[j] = &formats[0];
- dev->mode[j].restart = 1;
- dev->req_image_size[j] = get_transfer_size(&mode_def);
- dev->frame_count[j] = 0;
+ channel->mode.color |= (1 << 16);
+ channel->jc.quality = S2255_DEF_JPEG_QUAL;
+ channel->width = LINE_SZ_4CIFS_NTSC;
+ channel->height = NUM_LINES_4CIFS_NTSC * 2;
+ channel->fmt = &formats[0];
+ channel->mode.restart = 1;
+ channel->req_image_size = get_transfer_size(&mode_def);
+ channel->frame_count = 0;
/* create the system buffers */
- s2255_create_sys_buffers(dev, j);
+ s2255_create_sys_buffers(channel);
}
/* start read pipe */
s2255_start_readpipe(dev);
@@ -2344,14 +2338,12 @@
dprintk(1, "%s: dev: %p", __func__, dev);
for (i = 0; i < MAX_CHANNELS; i++) {
- if (dev->b_acquire[i])
- s2255_stop_acquire(dev, i);
+ if (dev->channel[i].b_acquire)
+ s2255_stop_acquire(&dev->channel[i]);
}
-
s2255_stop_readpipe(dev);
-
for (i = 0; i < MAX_CHANNELS; i++)
- s2255_release_sys_buffers(dev, i);
+ s2255_release_sys_buffers(&dev->channel[i]);
/* release transfer buffer */
kfree(dev->pipe.transfer_buffer);
return 0;
@@ -2444,29 +2436,26 @@
}
/* starts acquisition process */
-static int s2255_start_acquire(struct s2255_dev *dev, unsigned long chn)
+static int s2255_start_acquire(struct s2255_channel *channel)
{
unsigned char *buffer;
int res;
unsigned long chn_rev;
int j;
- if (chn >= MAX_CHANNELS) {
- dprintk(2, "start acquire failed, bad channel %lu\n", chn);
- return -1;
- }
- chn_rev = G_chnmap[chn];
+ struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
+ chn_rev = G_chnmap[channel->idx];
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
return -ENOMEM;
}
- dev->last_frame[chn] = -1;
- dev->bad_payload[chn] = 0;
- dev->cur_frame[chn] = 0;
+ channel->last_frame = -1;
+ channel->bad_payload = 0;
+ channel->cur_frame = 0;
for (j = 0; j < SYS_FRAMES; j++) {
- dev->buffer[chn].frame[j].ulState = 0;
- dev->buffer[chn].frame[j].cur_size = 0;
+ channel->buffer.frame[j].ulState = 0;
+ channel->buffer.frame[j].cur_size = 0;
}
/* send the start command */
@@ -2477,21 +2466,18 @@
if (res != 0)
dev_err(&dev->udev->dev, "CMD_START error\n");
- dprintk(2, "start acquire exit[%lu] %d \n", chn, res);
+ dprintk(2, "start acquire exit[%d] %d \n", channel->idx, res);
kfree(buffer);
return 0;
}
-static int s2255_stop_acquire(struct s2255_dev *dev, unsigned long chn)
+static int s2255_stop_acquire(struct s2255_channel *channel)
{
unsigned char *buffer;
int res;
unsigned long chn_rev;
- if (chn >= MAX_CHANNELS) {
- dprintk(2, "stop acquire failed, bad channel %lu\n", chn);
- return -1;
- }
- chn_rev = G_chnmap[chn];
+ struct s2255_dev *dev = to_s2255_dev(channel->vdev.v4l2_dev);
+ chn_rev = G_chnmap[channel->idx];
buffer = kzalloc(512, GFP_KERNEL);
if (buffer == NULL) {
dev_err(&dev->udev->dev, "out of mem\n");
@@ -2505,8 +2491,8 @@
if (res != 0)
dev_err(&dev->udev->dev, "CMD_STOP error\n");
kfree(buffer);
- dev->b_acquire[chn] = 0;
- dprintk(4, "%s: chn %lu, res %d\n", __func__, chn, res);
+ channel->b_acquire = 0;
+ dprintk(4, "%s: chn %d, res %d\n", __func__, channel->idx, res);
return res;
}
@@ -2563,7 +2549,7 @@
s2255_dev_err(&interface->dev, "out of memory\n");
return -ENOMEM;
}
- atomic_set(&dev->channels, 0);
+ atomic_set(&dev->num_channels, 0);
dev->pid = id->idProduct;
dev->fw_data = kzalloc(sizeof(struct s2255_fw), GFP_KERNEL);
if (!dev->fw_data)
@@ -2600,8 +2586,10 @@
dev->timer.data = (unsigned long)dev->fw_data;
init_waitqueue_head(&dev->fw_data->wait_fw);
for (i = 0; i < MAX_CHANNELS; i++) {
- init_waitqueue_head(&dev->wait_setmode[i]);
- init_waitqueue_head(&dev->wait_vidstatus[i]);
+ struct s2255_channel *channel = &dev->channel[i];
+ dev->channel[i].idx = i;
+ init_waitqueue_head(&channel->wait_setmode);
+ init_waitqueue_head(&channel->wait_vidstatus);
}
dev->fw_data->fw_urb = usb_alloc_urb(0, GFP_KERNEL);
@@ -2639,7 +2627,7 @@
printk(KERN_INFO "s2255: f2255usb.bin out of date.\n");
if (dev->pid == 0x2257 && *pRel < S2255_MIN_DSP_COLORFILTER)
printk(KERN_WARNING "s2255: 2257 requires firmware %d"
- "or above.\n", S2255_MIN_DSP_COLORFILTER);
+ " or above.\n", S2255_MIN_DSP_COLORFILTER);
}
usb_reset_device(dev->udev);
/* load 2255 board specific */
@@ -2681,25 +2669,23 @@
{
struct s2255_dev *dev = to_s2255_dev(usb_get_intfdata(interface));
int i;
- int channels = atomic_read(&dev->channels);
- v4l2_device_unregister(&dev->v4l2_dev);
+ int channels = atomic_read(&dev->num_channels);
+ v4l2_device_disconnect(&dev->v4l2_dev);
/*see comments in the uvc_driver.c usb disconnect function */
- atomic_inc(&dev->channels);
+ atomic_inc(&dev->num_channels);
/* unregister each video device. */
- for (i = 0; i < channels; i++) {
- if (video_is_registered(&dev->vdev[i]))
- video_unregister_device(&dev->vdev[i]);
- }
+ for (i = 0; i < channels; i++)
+ video_unregister_device(&dev->channel[i].vdev);
/* wake up any of our timers */
atomic_set(&dev->fw_data->fw_state, S2255_FW_DISCONNECTING);
wake_up(&dev->fw_data->wait_fw);
for (i = 0; i < MAX_CHANNELS; i++) {
- dev->setmode_ready[i] = 1;
- wake_up(&dev->wait_setmode[i]);
- dev->vidstatus_ready[i] = 1;
- wake_up(&dev->wait_vidstatus[i]);
+ dev->channel[i].setmode_ready = 1;
+ wake_up(&dev->channel[i].wait_setmode);
+ dev->channel[i].vidstatus_ready = 1;
+ wake_up(&dev->channel[i].wait_vidstatus);
}
- if (atomic_dec_and_test(&dev->channels))
+ if (atomic_dec_and_test(&dev->num_channels))
s2255_destroy(dev);
dev_info(&interface->dev, "%s\n", __func__);
}
--
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