summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/se401.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/se401.c')
-rw-r--r--drivers/media/video/se401.c882
1 files changed, 452 insertions, 430 deletions
diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c
index 5990ab38a12..c8f05297d0f 100644
--- a/drivers/media/video/se401.c
+++ b/drivers/media/video/se401.c
@@ -38,7 +38,7 @@ static const char version[] = "0.24";
static int flickerless;
static int video_nr = -1;
-static struct usb_device_id device_table [] = {
+static struct usb_device_id device_table[] = {
{ USB_DEVICE(0x03e8, 0x0004) },/* Endpoints/Aox SE401 */
{ USB_DEVICE(0x0471, 0x030b) },/* Philips PCVC665K */
{ USB_DEVICE(0x047d, 0x5001) },/* Kensington 67014 */
@@ -53,7 +53,8 @@ MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
MODULE_DESCRIPTION("SE401 USB Camera Driver");
MODULE_LICENSE("GPL");
module_param(flickerless, int, 0);
-MODULE_PARM_DESC(flickerless, "Net frequency to adjust exposure time to (0/50/60)");
+MODULE_PARM_DESC(flickerless,
+ "Net frequency to adjust exposure time to (0/50/60)");
module_param(video_nr, int, 0);
static struct usb_driver se401_driver;
@@ -78,8 +79,8 @@ static void *rvmalloc(unsigned long size)
adr = (unsigned long) mem;
while (size > 0) {
SetPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
}
return mem;
@@ -95,8 +96,8 @@ static void rvfree(void *mem, unsigned long size)
adr = (unsigned long) mem;
while ((long) size > 0) {
ClearPageReserved(vmalloc_to_page((void *)adr));
- adr += PAGE_SIZE;
- size -= PAGE_SIZE;
+ adr += PAGE_SIZE;
+ size -= PAGE_SIZE;
}
vfree(mem);
}
@@ -112,7 +113,7 @@ static void rvfree(void *mem, unsigned long size)
static int se401_sndctrl(int set, struct usb_se401 *se401, unsigned short req,
unsigned short value, unsigned char *cp, int size)
{
- return usb_control_msg (
+ return usb_control_msg(
se401->dev,
set ? usb_sndctrlpipe(se401->dev, 0) : usb_rcvctrlpipe(se401->dev, 0),
req,
@@ -132,7 +133,7 @@ static int se401_set_feature(struct usb_se401 *se401, unsigned short selector,
and the param in index, but in the logs of the windows driver they do
this the other way around...
*/
- return usb_control_msg (
+ return usb_control_msg(
se401->dev,
usb_sndctrlpipe(se401->dev, 0),
SE401_REQ_SET_EXT_FEATURE,
@@ -152,7 +153,7 @@ static unsigned short se401_get_feature(struct usb_se401 *se401,
wrong here to....
*/
unsigned char cp[2];
- usb_control_msg (
+ usb_control_msg(
se401->dev,
usb_rcvctrlpipe(se401->dev, 0),
SE401_REQ_GET_EXT_FEATURE,
@@ -175,46 +176,51 @@ static unsigned short se401_get_feature(struct usb_se401 *se401,
static int se401_send_pict(struct usb_se401 *se401)
{
- se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l);/* integration time low */
- se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m);/* integration time mid */
- se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h);/* integration time mid */
- se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);/* reset level value */
- se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain);/* red color gain */
- se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain);/* green color gain */
- se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain);/* blue color gain */
+ /* integration time low */
+ se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l);
+ /* integration time mid */
+ se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m);
+ /* integration time mid */
+ se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h);
+ /* reset level value */
+ se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);
+ /* red color gain */
+ se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain);
+ /* green color gain */
+ se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain);
+ /* blue color gain */
+ se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain);
return 0;
}
static void se401_set_exposure(struct usb_se401 *se401, int brightness)
{
- int integration=brightness<<5;
-
- if (flickerless==50) {
- integration=integration-integration%106667;
- }
- if (flickerless==60) {
- integration=integration-integration%88889;
- }
- se401->brightness=integration>>5;
- se401->expose_h=(integration>>16)&0xff;
- se401->expose_m=(integration>>8)&0xff;
- se401->expose_l=integration&0xff;
+ int integration = brightness << 5;
+
+ if (flickerless == 50)
+ integration = integration-integration % 106667;
+ if (flickerless == 60)
+ integration = integration-integration % 88889;
+ se401->brightness = integration >> 5;
+ se401->expose_h = (integration >> 16) & 0xff;
+ se401->expose_m = (integration >> 8) & 0xff;
+ se401->expose_l = integration & 0xff;
}
static int se401_get_pict(struct usb_se401 *se401, struct video_picture *p)
{
- p->brightness=se401->brightness;
- if (se401->enhance) {
- p->whiteness=32768;
- } else {
- p->whiteness=0;
- }
- p->colour=65535;
- p->contrast=65535;
- p->hue=se401->rgain<<10;
- p->palette=se401->palette;
- p->depth=3; /* rgb24 */
+ p->brightness = se401->brightness;
+ if (se401->enhance)
+ p->whiteness = 32768;
+ else
+ p->whiteness = 0;
+
+ p->colour = 65535;
+ p->contrast = 65535;
+ p->hue = se401->rgain << 10;
+ p->palette = se401->palette;
+ p->depth = 3; /* rgb24 */
return 0;
}
@@ -223,20 +229,19 @@ static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p)
{
if (p->palette != VIDEO_PALETTE_RGB24)
return 1;
- se401->palette=p->palette;
- if (p->hue!=se401->hue) {
- se401->rgain= p->hue>>10;
- se401->bgain= 0x40-(p->hue>>10);
- se401->hue=p->hue;
+ se401->palette = p->palette;
+ if (p->hue != se401->hue) {
+ se401->rgain = p->hue >> 10;
+ se401->bgain = 0x40-(p->hue >> 10);
+ se401->hue = p->hue;
}
- if (p->brightness!=se401->brightness) {
+ if (p->brightness != se401->brightness)
se401_set_exposure(se401, p->brightness);
- }
- if (p->whiteness>=32768) {
- se401->enhance=1;
- } else {
- se401->enhance=0;
- }
+
+ if (p->whiteness >= 32768)
+ se401->enhance = 1;
+ else
+ se401->enhance = 0;
se401_send_pict(se401);
se401_send_pict(se401);
return 0;
@@ -249,7 +254,7 @@ static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p)
static void se401_auto_resetlevel(struct usb_se401 *se401)
{
unsigned int ahrc, alrc;
- int oldreset=se401->resetlevel;
+ int oldreset = se401->resetlevel;
/* For some reason this normally read-only register doesn't get reset
to zero after reading them just once...
@@ -258,24 +263,24 @@ static void se401_auto_resetlevel(struct usb_se401 *se401)
se401_get_feature(se401, HV7131_REG_HIREFNOL);
se401_get_feature(se401, HV7131_REG_LOREFNOH);
se401_get_feature(se401, HV7131_REG_LOREFNOL);
- ahrc=256*se401_get_feature(se401, HV7131_REG_HIREFNOH) +
+ ahrc = 256*se401_get_feature(se401, HV7131_REG_HIREFNOH) +
se401_get_feature(se401, HV7131_REG_HIREFNOL);
- alrc=256*se401_get_feature(se401, HV7131_REG_LOREFNOH) +
+ alrc = 256*se401_get_feature(se401, HV7131_REG_LOREFNOH) +
se401_get_feature(se401, HV7131_REG_LOREFNOL);
/* Not an exact science, but it seems to work pretty well... */
if (alrc > 10) {
- while (alrc>=10 && se401->resetlevel < 63) {
+ while (alrc >= 10 && se401->resetlevel < 63) {
se401->resetlevel++;
- alrc /=2;
+ alrc /= 2;
}
} else if (ahrc > 20) {
- while (ahrc>=20 && se401->resetlevel > 0) {
+ while (ahrc >= 20 && se401->resetlevel > 0) {
se401->resetlevel--;
- ahrc /=2;
+ ahrc /= 2;
}
}
- if (se401->resetlevel!=oldreset)
+ if (se401->resetlevel != oldreset)
se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);
return;
@@ -300,21 +305,22 @@ static void se401_button_irq(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __func__, urb->status);
+ dbg("%s - urb shutting down with status: %d",
+ __func__, urb->status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __func__, urb->status);
+ dbg("%s - nonzero urb status received: %d",
+ __func__, urb->status);
goto exit;
}
- if (urb->actual_length >=2) {
+ if (urb->actual_length >= 2)
if (se401->button)
- se401->buttonpressed=1;
- }
+ se401->buttonpressed = 1;
exit:
- status = usb_submit_urb (urb, GFP_ATOMIC);
+ status = usb_submit_urb(urb, GFP_ATOMIC);
if (status)
- err ("%s - usb_submit_urb failed with result %d",
+ err("%s - usb_submit_urb failed with result %d",
__func__, status);
}
@@ -336,55 +342,52 @@ static void se401_video_irq(struct urb *urb)
keeps sending them forever...
*/
if (length && !urb->status) {
- se401->nullpackets=0;
- switch(se401->scratch[se401->scratch_next].state) {
- case BUFFER_READY:
- case BUFFER_BUSY: {
- se401->dropped++;
- break;
- }
- case BUFFER_UNUSED: {
- memcpy(se401->scratch[se401->scratch_next].data, (unsigned char *)urb->transfer_buffer, length);
- se401->scratch[se401->scratch_next].state=BUFFER_READY;
- se401->scratch[se401->scratch_next].offset=se401->bayeroffset;
- se401->scratch[se401->scratch_next].length=length;
- if (waitqueue_active(&se401->wq)) {
- wake_up_interruptible(&se401->wq);
- }
- se401->scratch_overflow=0;
- se401->scratch_next++;
- if (se401->scratch_next>=SE401_NUMSCRATCH)
- se401->scratch_next=0;
- break;
- }
- }
- se401->bayeroffset+=length;
- if (se401->bayeroffset>=se401->cheight*se401->cwidth) {
- se401->bayeroffset=0;
+ se401->nullpackets = 0;
+ switch (se401->scratch[se401->scratch_next].state) {
+ case BUFFER_READY:
+ case BUFFER_BUSY:
+ se401->dropped++;
+ break;
+ case BUFFER_UNUSED:
+ memcpy(se401->scratch[se401->scratch_next].data,
+ (unsigned char *)urb->transfer_buffer, length);
+ se401->scratch[se401->scratch_next].state
+ = BUFFER_READY;
+ se401->scratch[se401->scratch_next].offset
+ = se401->bayeroffset;
+ se401->scratch[se401->scratch_next].length = length;
+ if (waitqueue_active(&se401->wq))
+ wake_up_interruptible(&se401->wq);
+ se401->scratch_overflow = 0;
+ se401->scratch_next++;
+ if (se401->scratch_next >= SE401_NUMSCRATCH)
+ se401->scratch_next = 0;
+ break;
}
+ se401->bayeroffset += length;
+ if (se401->bayeroffset >= se401->cheight * se401->cwidth)
+ se401->bayeroffset = 0;
} else {
se401->nullpackets++;
- if (se401->nullpackets > SE401_MAX_NULLPACKETS) {
- if (waitqueue_active(&se401->wq)) {
+ if (se401->nullpackets > SE401_MAX_NULLPACKETS)
+ if (waitqueue_active(&se401->wq))
wake_up_interruptible(&se401->wq);
- }
- }
}
/* Resubmit urb for new data */
- urb->status=0;
- urb->dev=se401->dev;
- if(usb_submit_urb(urb, GFP_KERNEL))
+ urb->status = 0;
+ urb->dev = se401->dev;
+ if (usb_submit_urb(urb, GFP_KERNEL))
dev_info(&urb->dev->dev, "urb burned down\n");
return;
}
static void se401_send_size(struct usb_se401 *se401, int width, int height)
{
- int i=0;
- int mode=0x03; /* No compression */
- int sendheight=height;
- int sendwidth=width;
+ int i = 0;
+ int mode = 0x03; /* No compression */
+ int sendheight = height;
+ int sendwidth = width;
/* JangGu compression can only be used with the camera supported sizes,
but bayer seems to work with any size that fits on the sensor.
@@ -392,18 +395,21 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height)
4 or 16 times subcapturing, if not we use uncompressed bayer data
but this will result in cutouts of the maximum size....
*/
- while (i<se401->sizes && !(se401->width[i]==width && se401->height[i]==height))
+ while (i < se401->sizes && !(se401->width[i] == width &&
+ se401->height[i] == height))
i++;
- while (i<se401->sizes) {
- if (se401->width[i]==width*2 && se401->height[i]==height*2) {
- sendheight=se401->height[i];
- sendwidth=se401->width[i];
- mode=0x40;
+ while (i < se401->sizes) {
+ if (se401->width[i] == width * 2 &&
+ se401->height[i] == height * 2) {
+ sendheight = se401->height[i];
+ sendwidth = se401->width[i];
+ mode = 0x40;
}
- if (se401->width[i]==width*4 && se401->height[i]==height*4) {
- sendheight=se401->height[i];
- sendwidth=se401->width[i];
- mode=0x42;
+ if (se401->width[i] == width * 4 &&
+ se401->height[i] == height * 4) {
+ sendheight = se401->height[i];
+ sendwidth = se401->width[i];
+ mode = 0x42;
}
i++;
}
@@ -412,13 +418,10 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height)
se401_sndctrl(1, se401, SE401_REQ_SET_HEIGHT, sendheight, NULL, 0);
se401_set_feature(se401, SE401_OPERATINGMODE, mode);
- if (mode==0x03) {
- se401->format=FMT_BAYER;
- } else {
- se401->format=FMT_JANGGU;
- }
-
- return;
+ if (mode == 0x03)
+ se401->format = FMT_BAYER;
+ else
+ se401->format = FMT_JANGGU;
}
/*
@@ -429,29 +432,31 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height)
static int se401_start_stream(struct usb_se401 *se401)
{
struct urb *urb;
- int err=0, i;
- se401->streaming=1;
+ int err = 0, i;
+ se401->streaming = 1;
se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0);
se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0);
/* Set picture settings */
- se401_set_feature(se401, HV7131_REG_MODE_B, 0x05);/*windowed + pix intg */
+ /* windowed + pix intg */
+ se401_set_feature(se401, HV7131_REG_MODE_B, 0x05);
se401_send_pict(se401);
se401_send_size(se401, se401->cwidth, se401->cheight);
- se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE, 0, NULL, 0);
+ se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE,
+ 0, NULL, 0);
/* Do some memory allocation */
- for (i=0; i<SE401_NUMFRAMES; i++) {
- se401->frame[i].data=se401->fbuf + i * se401->maxframesize;
- se401->frame[i].curpix=0;
+ for (i = 0; i < SE401_NUMFRAMES; i++) {
+ se401->frame[i].data = se401->fbuf + i * se401->maxframesize;
+ se401->frame[i].curpix = 0;
}
- for (i=0; i<SE401_NUMSBUF; i++) {
- se401->sbuf[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
+ for (i = 0; i < SE401_NUMSBUF; i++) {
+ se401->sbuf[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
if (!se401->sbuf[i].data) {
- for(i = i - 1; i >= 0; i--) {
+ for (i = i - 1; i >= 0; i--) {
kfree(se401->sbuf[i].data);
se401->sbuf[i].data = NULL;
}
@@ -459,26 +464,26 @@ static int se401_start_stream(struct usb_se401 *se401)
}
}
- se401->bayeroffset=0;
- se401->scratch_next=0;
- se401->scratch_use=0;
- se401->scratch_overflow=0;
- for (i=0; i<SE401_NUMSCRATCH; i++) {
- se401->scratch[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
+ se401->bayeroffset = 0;
+ se401->scratch_next = 0;
+ se401->scratch_use = 0;
+ se401->scratch_overflow = 0;
+ for (i = 0; i < SE401_NUMSCRATCH; i++) {
+ se401->scratch[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL);
if (!se401->scratch[i].data) {
- for(i = i - 1; i >= 0; i--) {
+ for (i = i - 1; i >= 0; i--) {
kfree(se401->scratch[i].data);
se401->scratch[i].data = NULL;
}
goto nomem_sbuf;
}
- se401->scratch[i].state=BUFFER_UNUSED;
+ se401->scratch[i].state = BUFFER_UNUSED;
}
- for (i=0; i<SE401_NUMSBUF; i++) {
- urb=usb_alloc_urb(0, GFP_KERNEL);
- if(!urb) {
- for(i = i - 1; i >= 0; i--) {
+ for (i = 0; i < SE401_NUMSBUF; i++) {
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb) {
+ for (i = i - 1; i >= 0; i--) {
usb_kill_urb(se401->urb[i]);
usb_free_urb(se401->urb[i]);
se401->urb[i] = NULL;
@@ -492,24 +497,24 @@ static int se401_start_stream(struct usb_se401 *se401)
se401_video_irq,
se401);
- se401->urb[i]=urb;
+ se401->urb[i] = urb;
- err=usb_submit_urb(se401->urb[i], GFP_KERNEL);
- if(err)
+ err = usb_submit_urb(se401->urb[i], GFP_KERNEL);
+ if (err)
err("urb burned down");
}
- se401->framecount=0;
+ se401->framecount = 0;
return 0;
nomem_scratch:
- for (i=0; i<SE401_NUMSCRATCH; i++) {
+ for (i = 0; i < SE401_NUMSCRATCH; i++) {
kfree(se401->scratch[i].data);
se401->scratch[i].data = NULL;
}
nomem_sbuf:
- for (i=0; i<SE401_NUMSBUF; i++) {
+ for (i = 0; i < SE401_NUMSBUF; i++) {
kfree(se401->sbuf[i].data);
se401->sbuf[i].data = NULL;
}
@@ -523,22 +528,23 @@ static int se401_stop_stream(struct usb_se401 *se401)
if (!se401->streaming || !se401->dev)
return 1;
- se401->streaming=0;
+ se401->streaming = 0;
se401_sndctrl(1, se401, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, NULL, 0);
se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0);
se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0);
- for (i=0; i<SE401_NUMSBUF; i++) if (se401->urb[i]) {
- usb_kill_urb(se401->urb[i]);
- usb_free_urb(se401->urb[i]);
- se401->urb[i]=NULL;
- kfree(se401->sbuf[i].data);
- }
- for (i=0; i<SE401_NUMSCRATCH; i++) {
+ for (i = 0; i < SE401_NUMSBUF; i++)
+ if (se401->urb[i]) {
+ usb_kill_urb(se401->urb[i]);
+ usb_free_urb(se401->urb[i]);
+ se401->urb[i] = NULL;
+ kfree(se401->sbuf[i].data);
+ }
+ for (i = 0; i < SE401_NUMSCRATCH; i++) {
kfree(se401->scratch[i].data);
- se401->scratch[i].data=NULL;
+ se401->scratch[i].data = NULL;
}
return 0;
@@ -546,9 +552,9 @@ static int se401_stop_stream(struct usb_se401 *se401)
static int se401_set_size(struct usb_se401 *se401, int width, int height)
{
- int wasstreaming=se401->streaming;
+ int wasstreaming = se401->streaming;
/* Check to see if we need to change */
- if (se401->cwidth==width && se401->cheight==height)
+ if (se401->cwidth == width && se401->cheight == height)
return 0;
/* Check for a valid mode */
@@ -556,16 +562,16 @@ static int se401_set_size(struct usb_se401 *se401, int width, int height)
return 1;
if ((width & 1) || (height & 1))
return 1;
- if (width>se401->width[se401->sizes-1])
+ if (width > se401->width[se401->sizes-1])
return 1;
- if (height>se401->height[se401->sizes-1])
+ if (height > se401->height[se401->sizes-1])
return 1;
/* Stop a current stream and start it again at the new size */
if (wasstreaming)
se401_stop_stream(se401);
- se401->cwidth=width;
- se401->cheight=height;
+ se401->cwidth = width;
+ se401->cheight = height;
if (wasstreaming)
se401_start_stream(se401);
return 0;
@@ -586,68 +592,68 @@ static int se401_set_size(struct usb_se401 *se401, int width, int height)
static inline void enhance_picture(unsigned char *frame, int len)
{
while (len--) {
- *frame=(((*frame^255)*(*frame^255))/255)^255;
+ *frame = (((*frame^255)*(*frame^255))/255)^255;
frame++;
}
}
static inline void decode_JangGu_integrate(struct usb_se401 *se401, int data)
{
- struct se401_frame *frame=&se401->frame[se401->curframe];
- int linelength=se401->cwidth*3;
+ struct se401_frame *frame = &se401->frame[se401->curframe];
+ int linelength = se401->cwidth * 3;
if (frame->curlinepix >= linelength) {
- frame->curlinepix=0;
- frame->curline+=linelength;
+ frame->curlinepix = 0;
+ frame->curline += linelength;
}
/* First three are absolute, all others relative.
* Format is rgb from right to left (mirrorred image),
* we flip it to get bgr from left to right. */
- if (frame->curlinepix < 3) {
- *(frame->curline-frame->curlinepix)=1+data*4;
- } else {
- *(frame->curline-frame->curlinepix)=
- *(frame->curline-frame->curlinepix+3)+data*4;
- }
+ if (frame->curlinepix < 3)
+ *(frame->curline-frame->curlinepix) = 1 + data * 4;
+ else
+ *(frame->curline-frame->curlinepix) =
+ *(frame->curline-frame->curlinepix + 3) + data * 4;
frame->curlinepix++;
}
-static inline void decode_JangGu_vlc (struct usb_se401 *se401, unsigned char *data, int bit_exp, int packetlength)
+static inline void decode_JangGu_vlc(struct usb_se401 *se401,
+ unsigned char *data, int bit_exp, int packetlength)
{
- int pos=0;
- int vlc_cod=0;
- int vlc_size=0;
- int vlc_data=0;
+ int pos = 0;
+ int vlc_cod = 0;
+ int vlc_size = 0;
+ int vlc_data = 0;
int bit_cur;
int bit;
- data+=4;
+ data += 4;
while (pos < packetlength) {
- bit_cur=8;
+ bit_cur = 8;
while (bit_cur && bit_exp) {
- bit=((*data)>>(bit_cur-1))&1;
+ bit = ((*data) >> (bit_cur-1))&1;
if (!vlc_cod) {
if (bit) {
vlc_size++;
} else {
- if (!vlc_size) {
+ if (!vlc_size)
decode_JangGu_integrate(se401, 0);
- } else {
- vlc_cod=2;
- vlc_data=0;
+ else {
+ vlc_cod = 2;
+ vlc_data = 0;
}
}
} else {
- if (vlc_cod==2) {
+ if (vlc_cod == 2) {
if (!bit)
- vlc_data = -(1<<vlc_size) + 1;
+ vlc_data = -(1 << vlc_size) + 1;
vlc_cod--;
}
vlc_size--;
- vlc_data+=bit<<vlc_size;
+ vlc_data += bit << vlc_size;
if (!vlc_size) {
decode_JangGu_integrate(se401, vlc_data);
- vlc_cod=0;
+ vlc_cod = 0;
}
}
bit_cur--;
@@ -658,186 +664,188 @@ static inline void decode_JangGu_vlc (struct usb_se401 *se401, unsigned char *da
}
}
-static inline void decode_JangGu (struct usb_se401 *se401, struct se401_scratch *buffer)
+static inline void decode_JangGu(struct usb_se401 *se401,
+ struct se401_scratch *buffer)
{
- unsigned char *data=buffer->data;
- int len=buffer->length;
- int bit_exp=0, pix_exp=0, frameinfo=0, packetlength=0, size;
- int datapos=0;
+ unsigned char *data = buffer->data;
+ int len = buffer->length;
+ int bit_exp = 0, pix_exp = 0, frameinfo = 0, packetlength = 0, size;
+ int datapos = 0;
/* New image? */
if (!se401->frame[se401->curframe].curpix) {
- se401->frame[se401->curframe].curlinepix=0;
- se401->frame[se401->curframe].curline=
+ se401->frame[se401->curframe].curlinepix = 0;
+ se401->frame[se401->curframe].curline =
se401->frame[se401->curframe].data+
- se401->cwidth*3-1;
- if (se401->frame[se401->curframe].grabstate==FRAME_READY)
- se401->frame[se401->curframe].grabstate=FRAME_GRABBING;
- se401->vlcdatapos=0;
+ se401->cwidth * 3 - 1;
+ if (se401->frame[se401->curframe].grabstate == FRAME_READY)
+ se401->frame[se401->curframe].grabstate = FRAME_GRABBING;
+ se401->vlcdatapos = 0;
}
while (datapos < len) {
- size=1024-se401->vlcdatapos;
+ size = 1024 - se401->vlcdatapos;
if (size+datapos > len)
- size=len-datapos;
+ size = len-datapos;
memcpy(se401->vlcdata+se401->vlcdatapos, data+datapos, size);
- se401->vlcdatapos+=size;
- packetlength=0;
+ se401->vlcdatapos += size;
+ packetlength = 0;
if (se401->vlcdatapos >= 4) {
- bit_exp=se401->vlcdata[3]+(se401->vlcdata[2]<<8);
- pix_exp=se401->vlcdata[1]+((se401->vlcdata[0]&0x3f)<<8);
- frameinfo=se401->vlcdata[0]&0xc0;
- packetlength=((bit_exp+47)>>4)<<1;
+ bit_exp = se401->vlcdata[3] + (se401->vlcdata[2] << 8);
+ pix_exp = se401->vlcdata[1] +
+ ((se401->vlcdata[0] & 0x3f) << 8);
+ frameinfo = se401->vlcdata[0] & 0xc0;
+ packetlength = ((bit_exp + 47) >> 4) << 1;
if (packetlength > 1024) {
- se401->vlcdatapos=0;
- datapos=len;
- packetlength=0;
+ se401->vlcdatapos = 0;
+ datapos = len;
+ packetlength = 0;
se401->error++;
- se401->frame[se401->curframe].curpix=0;
+ se401->frame[se401->curframe].curpix = 0;
}
}
if (packetlength && se401->vlcdatapos >= packetlength) {
- decode_JangGu_vlc(se401, se401->vlcdata, bit_exp, packetlength);
- se401->frame[se401->curframe].curpix+=pix_exp*3;
- datapos+=size-(se401->vlcdatapos-packetlength);
- se401->vlcdatapos=0;
- if (se401->frame[se401->curframe].curpix>=se401->cwidth*se401->cheight*3) {
- if (se401->frame[se401->curframe].curpix==se401->cwidth*se401->cheight*3) {
- if (se401->frame[se401->curframe].grabstate==FRAME_GRABBING) {
- se401->frame[se401->curframe].grabstate=FRAME_DONE;
+ decode_JangGu_vlc(se401, se401->vlcdata, bit_exp,
+ packetlength);
+ se401->frame[se401->curframe].curpix += pix_exp * 3;
+ datapos += size-(se401->vlcdatapos-packetlength);
+ se401->vlcdatapos = 0;
+ if (se401->frame[se401->curframe].curpix >= se401->cwidth * se401->cheight * 3) {
+ if (se401->frame[se401->curframe].curpix == se401->cwidth * se401->cheight * 3) {
+ if (se401->frame[se401->curframe].grabstate == FRAME_GRABBING) {
+ se401->frame[se401->curframe].grabstate = FRAME_DONE;
se401->framecount++;
se401->readcount++;
}
- if (se401->frame[(se401->curframe+1)&(SE401_NUMFRAMES-1)].grabstate==FRAME_READY) {
- se401->curframe=(se401->curframe+1) & (SE401_NUMFRAMES-1);
- }
- } else {
+ if (se401->frame[(se401->curframe + 1) & (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY)
+ se401->curframe = (se401->curframe + 1) & (SE401_NUMFRAMES - 1);
+ } else
se401->error++;
- }
- se401->frame[se401->curframe].curpix=0;
- datapos=len;
+ se401->frame[se401->curframe].curpix = 0;
+ datapos = len;
}
- } else {
- datapos+=size;
- }
+ } else
+ datapos += size;
}
}
-static inline void decode_bayer (struct usb_se401 *se401, struct se401_scratch *buffer)
+static inline void decode_bayer(struct usb_se401 *se401,
+ struct se401_scratch *buffer)
{
- unsigned char *data=buffer->data;
- int len=buffer->length;
- int offset=buffer->offset;
- int datasize=se401->cwidth*se401->cheight;
- struct se401_frame *frame=&se401->frame[se401->curframe];
+ unsigned char *data = buffer->data;
+ int len = buffer->length;
+ int offset = buffer->offset;
+ int datasize = se401->cwidth * se401->cheight;
+ struct se401_frame *frame = &se401->frame[se401->curframe];
+ unsigned char *framedata = frame->data, *curline, *nextline;
+ int width = se401->cwidth;
+ int blineoffset = 0, bline;
+ int linelength = width * 3, i;
- unsigned char *framedata=frame->data, *curline, *nextline;
- int width=se401->cwidth;
- int blineoffset=0, bline;
- int linelength=width*3, i;
+ if (frame->curpix == 0) {
+ if (frame->grabstate == FRAME_READY)
+ frame->grabstate = FRAME_GRABBING;
- if (frame->curpix==0) {
- if (frame->grabstate==FRAME_READY) {
- frame->grabstate=FRAME_GRABBING;
- }
- frame->curline=framedata+linelength;
- frame->curlinepix=0;
+ frame->curline = framedata + linelength;
+ frame->curlinepix = 0;
}
- if (offset!=frame->curpix) {
+ if (offset != frame->curpix) {
/* Regard frame as lost :( */
- frame->curpix=0;
+ frame->curpix = 0;
se401->error++;
return;
}
/* Check if we have to much data */
- if (frame->curpix+len > datasize) {
- len=datasize-frame->curpix;
- }
- if (se401->cheight%4)
- blineoffset=1;
- bline=frame->curpix/se401->cwidth+blineoffset;
-
- curline=frame->curline;
- nextline=curline+linelength;
- if (nextline >= framedata+datasize*3)
- nextline=curline;
+ if (frame->curpix + len > datasize)
+ len = datasize-frame->curpix;
+
+ if (se401->cheight % 4)
+ blineoffset = 1;
+ bline = frame->curpix / se401->cwidth+blineoffset;
+
+ curline = frame->curline;
+ nextline = curline + linelength;
+ if (nextline >= framedata+datasize * 3)
+ nextline = curline;
while (len) {
- if (frame->curlinepix>=width) {
- frame->curlinepix-=width;
- bline=frame->curpix/width+blineoffset;
- curline+=linelength*2;
- nextline+=linelength*2;
- if (curline >= framedata+datasize*3) {
+ if (frame->curlinepix >= width) {
+ frame->curlinepix -= width;
+ bline = frame->curpix / width + blineoffset;
+ curline += linelength*2;
+ nextline += linelength*2;
+ if (curline >= framedata+datasize * 3) {
frame->curlinepix++;
- curline-=3;
- nextline-=3;
+ curline -= 3;
+ nextline -= 3;
len--;
data++;
frame->curpix++;
}
if (nextline >= framedata+datasize*3)
- nextline=curline;
+ nextline = curline;
}
- if ((bline&1)) {
- if ((frame->curlinepix&1)) {
- *(curline+2)=*data;
- *(curline-1)=*data;
- *(nextline+2)=*data;
- *(nextline-1)=*data;
+ if (bline & 1) {
+ if (frame->curlinepix & 1) {
+ *(curline + 2) = *data;
+ *(curline - 1) = *data;
+ *(nextline + 2) = *data;
+ *(nextline - 1) = *data;
} else {
- *(curline+1)=
- (*(curline+1)+*data)/2;
- *(curline-2)=
- (*(curline-2)+*data)/2;
- *(nextline+1)=*data;
- *(nextline-2)=*data;
+ *(curline + 1) =
+ (*(curline + 1) + *data) / 2;
+ *(curline-2) =
+ (*(curline - 2) + *data) / 2;
+ *(nextline + 1) = *data;
+ *(nextline - 2) = *data;
}
} else {
- if ((frame->curlinepix&1)) {
- *(curline+1)=
- (*(curline+1)+*data)/2;
- *(curline-2)=
- (*(curline-2)+*data)/2;
- *(nextline+1)=*data;
- *(nextline-2)=*data;
+ if (frame->curlinepix & 1) {
+ *(curline + 1) =
+ (*(curline + 1) + *data) / 2;
+ *(curline - 2) =
+ (*(curline - 2) + *data) / 2;
+ *(nextline + 1) = *data;
+ *(nextline - 2) = *data;
} else {
- *curline=*data;
- *(curline-3)=*data;
- *nextline=*data;
- *(nextline-3)=*data;
+ *curline = *data;
+ *(curline - 3) = *data;
+ *nextline = *data;
+ *(nextline - 3) = *data;
}
}
frame->curlinepix++;
- curline-=3;
- nextline-=3;
+ curline -= 3;
+ nextline -= 3;
len--;
data++;
frame->curpix++;
}
- frame->curline=curline;
+ frame->curline = curline;
- if (frame->curpix>=datasize) {
+ if (frame->curpix >= datasize) {
/* Fix the top line */
- framedata+=linelength;
- for (i=0; i<linelength; i++) {
+ framedata += linelength;
+ for (i = 0; i < linelength; i++) {
framedata--;
- *framedata=*(framedata+linelength);
+ *framedata = *(framedata + linelength);
}
/* Fix the left side (green is already present) */
- for (i=0; i<se401->cheight; i++) {
- *framedata=*(framedata+3);
- *(framedata+1)=*(framedata+4);
- *(framedata+2)=*(framedata+5);
- framedata+=linelength;
+ for (i = 0; i < se401->cheight; i++) {
+ *framedata = *(framedata + 3);
+ *(framedata + 1) = *(framedata + 4);
+ *(framedata + 2) = *(framedata + 5);
+ framedata += linelength;
}
- frame->curpix=0;
- frame->grabstate=FRAME_DONE;
+ frame->curpix = 0;
+ frame->grabstate = FRAME_DONE;
se401->framecount++;
se401->readcount++;
- if (se401->frame[(se401->curframe+1)&(SE401_NUMFRAMES-1)].grabstate==FRAME_READY) {
- se401->curframe=(se401->curframe+1) & (SE401_NUMFRAMES-1);
+ if (se401->frame[(se401->curframe + 1) &
+ (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) {
+ se401->curframe = (se401->curframe+1) &
+ (SE401_NUMFRAMES-1);
}
}
}
@@ -845,72 +853,76 @@ static inline void decode_bayer (struct usb_se401 *se401, struct se401_scratch *
static int se401_newframe(struct usb_se401 *se401, int framenr)
{
DECLARE_WAITQUEUE(wait, current);
- int errors=0;
+ int errors = 0;
while (se401->streaming &&
- (se401->frame[framenr].grabstate==FRAME_READY ||
- se401->frame[framenr].grabstate==FRAME_GRABBING) ) {
- if(!se401->frame[framenr].curpix) {
+ (se401->frame[framenr].grabstate == FRAME_READY ||
+ se401->frame[framenr].grabstate == FRAME_GRABBING)) {
+ if (!se401->frame[framenr].curpix)
errors++;
- }
+
wait_interruptible(
- se401->scratch[se401->scratch_use].state!=BUFFER_READY,
- &se401->wq,
- &wait
- );
+ se401->scratch[se401->scratch_use].state != BUFFER_READY,
+ &se401->wq, &wait);
if (se401->nullpackets > SE401_MAX_NULLPACKETS) {
- se401->nullpackets=0;
+ se401->nullpackets = 0;
dev_info(&se401->dev->dev,
- "too many null length packets, restarting capture\n");
+ "too many null length packets, restarting capture\n");
se401_stop_stream(se401);
se401_start_stream(se401);
} else {
- if (se401->scratch[se401->scratch_use].state!=BUFFER_READY) {
- se401->frame[framenr].grabstate=FRAME_ERROR;
+ if (se401->scratch[se401->scratch_use].state !=
+ BUFFER_READY) {
+ se401->frame[framenr].grabstate = FRAME_ERROR;
return -EIO;
}
- se401->scratch[se401->scratch_use].state=BUFFER_BUSY;
- if (se401->format==FMT_JANGGU) {
- decode_JangGu(se401, &se401->scratch[se401->scratch_use]);
- } else {
- decode_bayer(se401, &se401->scratch[se401->scratch_use]);
- }
- se401->scratch[se401->scratch_use].state=BUFFER_UNUSED;
+ se401->scratch[se401->scratch_use].state = BUFFER_BUSY;
+ if (se401->format == FMT_JANGGU)
+ decode_JangGu(se401,
+ &se401->scratch[se401->scratch_use]);
+ else
+ decode_bayer(se401,
+ &se401->scratch[se401->scratch_use]);
+
+ se401->scratch[se401->scratch_use].state =
+ BUFFER_UNUSED;
se401->scratch_use++;
- if (se401->scratch_use>=SE401_NUMSCRATCH)
- se401->scratch_use=0;
+ if (se401->scratch_use >= SE401_NUMSCRATCH)
+ se401->scratch_use = 0;
if (errors > SE401_MAX_ERRORS) {
- errors=0;
+ errors = 0;
dev_info(&se401->dev->dev,
- "too many errors, restarting capture\n");
+ "too many errors, restarting capture\n");
se401_stop_stream(se401);
se401_start_stream(se401);
}
}
}
- if (se401->frame[framenr].grabstate==FRAME_DONE)
+ if (se401->frame[framenr].grabstate == FRAME_DONE)
if (se401->enhance)
- enhance_picture(se401->frame[framenr].data, se401->cheight*se401->cwidth*3);
+ enhance_picture(se401->frame[framenr].data,
+ se401->cheight * se401->cwidth * 3);
return 0;
}
-static void usb_se401_remove_disconnected (struct usb_se401 *se401)
+static void usb_se401_remove_disconnected(struct usb_se401 *se401)
{
int i;
se401->dev = NULL;
- for (i=0; i<SE401_NUMSBUF; i++)
+ for (i = 0; i < SE401_NUMSBUF; i++)
if (se401->urb[i]) {
usb_kill_urb(se401->urb[i]);
usb_free_urb(se401->urb[i]);
se401->urb[i] = NULL;
kfree(se401->sbuf[i].data);
}
- for (i=0; i<SE401_NUMSCRATCH; i++) {
+
+ for (i = 0; i < SE401_NUMSCRATCH; i++)
kfree(se401->scratch[i].data);
- }
+
if (se401->inturb) {
usb_kill_urb(se401->inturb);
usb_free_urb(se401->inturb);
@@ -965,11 +977,11 @@ static int se401_close(struct file *file)
dev_info(&se401->dev->dev, "device unregistered\n");
usb_se401_remove_disconnected(se401);
} else {
- for (i=0; i<SE401_NUMFRAMES; i++)
- se401->frame[i].grabstate=FRAME_UNUSED;
+ for (i = 0; i < SE401_NUMFRAMES; i++)
+ se401->frame[i].grabstate = FRAME_UNUSED;
if (se401->streaming)
se401_stop_stream(se401);
- se401->user=0;
+ se401->user = 0;
}
file->private_data = NULL;
return 0;
@@ -1065,7 +1077,7 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg)
memset(vm, 0, sizeof(*vm));
vm->size = SE401_NUMFRAMES * se401->maxframesize;
vm->frames = SE401_NUMFRAMES;
- for (i=0; i<SE401_NUMFRAMES; i++)
+ for (i = 0; i < SE401_NUMFRAMES; i++)
vm->offsets[i] = se401->maxframesize * i;
return 0;
}
@@ -1083,16 +1095,16 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg)
/* Is this according to the v4l spec??? */
if (se401_set_size(se401, vm->width, vm->height))
return -EINVAL;
- se401->frame[vm->frame].grabstate=FRAME_READY;
+ se401->frame[vm->frame].grabstate = FRAME_READY;
if (!se401->streaming)
se401_start_stream(se401);
/* Set the picture properties */
- if (se401->framecount==0)
+ if (se401->framecount == 0)
se401_send_pict(se401);
/* Calibrate the reset level after a few frames. */
- if (se401->framecount%20==1)
+ if (se401->framecount % 20 == 1)
se401_auto_resetlevel(se401);
return 0;
@@ -1100,13 +1112,13 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg)
case VIDIOCSYNC:
{
int *frame = arg;
- int ret=0;
+ int ret = 0;
- if(*frame <0 || *frame >= SE401_NUMFRAMES)
+ if (*frame < 0 || *frame >= SE401_NUMFRAMES)
return -EINVAL;
- ret=se401_newframe(se401, *frame);
- se401->frame[*frame].grabstate=FRAME_UNUSED;
+ ret = se401_newframe(se401, *frame);
+ se401->frame[*frame].grabstate = FRAME_UNUSED;
return ret;
}
case VIDIOCGFBUF:
@@ -1147,36 +1159,36 @@ static long se401_ioctl(struct file *file,
static ssize_t se401_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
- int realcount=count, ret=0;
+ int realcount = count, ret = 0;
struct video_device *dev = file->private_data;
struct usb_se401 *se401 = (struct usb_se401 *)dev;
- if (se401->dev == NULL)
+ if (se401->dev == NULL)
return -EIO;
if (realcount > se401->cwidth*se401->cheight*3)
- realcount=se401->cwidth*se401->cheight*3;
+ realcount = se401->cwidth*se401->cheight*3;
/* Shouldn't happen: */
- if (se401->frame[0].grabstate==FRAME_GRABBING)
+ if (se401->frame[0].grabstate == FRAME_GRABBING)
return -EBUSY;
- se401->frame[0].grabstate=FRAME_READY;
- se401->frame[1].grabstate=FRAME_UNUSED;
- se401->curframe=0;
+ se401->frame[0].grabstate = FRAME_READY;
+ se401->frame[1].grabstate = FRAME_UNUSED;
+ se401->curframe = 0;
if (!se401->streaming)
se401_start_stream(se401);
/* Set the picture properties */
- if (se401->framecount==0)
+ if (se401->framecount == 0)
se401_send_pict(se401);
/* Calibrate the reset level after a few frames. */
- if (se401->framecount%20==1)
+ if (se401->framecount%20 == 1)
se401_auto_resetlevel(se401);
- ret=se401_newframe(se401, 0);
+ ret = se401_newframe(se401, 0);
- se401->frame[0].grabstate=FRAME_UNUSED;
+ se401->frame[0].grabstate = FRAME_UNUSED;
if (ret)
return ret;
if (copy_to_user(buf, se401->frame[0].data, realcount))
@@ -1195,11 +1207,12 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma)
mutex_lock(&se401->lock);
- if (se401->dev == NULL) {
+ if (se401->dev == NULL) {
mutex_unlock(&se401->lock);
return -EIO;
}
- if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))) {
+ if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1)
+ & ~(PAGE_SIZE - 1))) {
mutex_unlock(&se401->lock);
return -EINVAL;
}
@@ -1210,10 +1223,10 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma)
mutex_unlock(&se401->lock);
return -EAGAIN;
}
- start += PAGE_SIZE;
- pos += PAGE_SIZE;
+ start += PAGE_SIZE;
+ pos += PAGE_SIZE;
if (size > PAGE_SIZE)
- size -= PAGE_SIZE;
+ size -= PAGE_SIZE;
else
size = 0;
}
@@ -1223,7 +1236,7 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma)
}
static const struct v4l2_file_operations se401_fops = {
- .owner = THIS_MODULE,
+ .owner = THIS_MODULE,
.open = se401_open,
.release = se401_close,
.read = se401_read,
@@ -1241,71 +1254,76 @@ static struct video_device se401_template = {
/***************************/
static int se401_init(struct usb_se401 *se401, int button)
{
- int i=0, rc;
+ int i = 0, rc;
unsigned char cp[0x40];
char temp[200];
+ int slen;
/* led on */
se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0);
/* get camera descriptor */
- rc=se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0, cp, sizeof(cp));
- if (cp[1]!=0x41) {
+ rc = se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0,
+ cp, sizeof(cp));
+ if (cp[1] != 0x41) {
err("Wrong descriptor type");
return 1;
}
- sprintf (temp, "ExtraFeatures: %d", cp[3]);
+ slen = snprintf(temp, 200, "ExtraFeatures: %d", cp[3]);
- se401->sizes=cp[4]+cp[5]*256;
- se401->width=kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
+ se401->sizes = cp[4] + cp[5] * 256;
+ se401->width = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
if (!se401->width)
return 1;
- se401->height=kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
+ se401->height = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL);
if (!se401->height) {
kfree(se401->width);
return 1;
}
- for (i=0; i<se401->sizes; i++) {
- se401->width[i]=cp[6+i*4+0]+cp[6+i*4+1]*256;
- se401->height[i]=cp[6+i*4+2]+cp[6+i*4+3]*256;
+ for (i = 0; i < se401->sizes; i++) {
+ se401->width[i] = cp[6 + i * 4 + 0] + cp[6 + i*4 + 1] * 256;
+ se401->height[i] = cp[6 + i * 4 + 2] + cp[6 + i * 4 + 3] * 256;
}
- sprintf (temp, "%s Sizes:", temp);
- for (i=0; i<se401->sizes; i++) {
- sprintf(temp, "%s %dx%d", temp, se401->width[i], se401->height[i]);
+ slen += snprintf(temp + slen, 200 - slen, " Sizes:");
+ for (i = 0; i < se401->sizes; i++) {
+ slen += snprintf(temp + slen, 200 - slen,
+ " %dx%d", se401->width[i], se401->height[i]);
}
dev_info(&se401->dev->dev, "%s\n", temp);
- se401->maxframesize=se401->width[se401->sizes-1]*se401->height[se401->sizes-1]*3;
+ se401->maxframesize = se401->width[se401->sizes-1] *
+ se401->height[se401->sizes - 1] * 3;
- rc=se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp));
- se401->cwidth=cp[0]+cp[1]*256;
- rc=se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp));
- se401->cheight=cp[0]+cp[1]*256;
+ rc = se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp));
+ se401->cwidth = cp[0]+cp[1]*256;
+ rc = se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp));
+ se401->cheight = cp[0]+cp[1]*256;
if (!(cp[2] & SE401_FORMAT_BAYER)) {
err("Bayer format not supported!");
return 1;
}
/* set output mode (BAYER) */
- se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE, SE401_FORMAT_BAYER, NULL, 0);
+ se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE,
+ SE401_FORMAT_BAYER, NULL, 0);
- rc=se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp));
- se401->brightness=cp[0]+cp[1]*256;
+ rc = se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp));
+ se401->brightness = cp[0]+cp[1]*256;
/* some default values */
- se401->resetlevel=0x2d;
- se401->rgain=0x20;
- se401->ggain=0x20;
- se401->bgain=0x20;
+ se401->resetlevel = 0x2d;
+ se401->rgain = 0x20;
+ se401->ggain = 0x20;
+ se401->bgain = 0x20;
se401_set_exposure(se401, 20000);
- se401->palette=VIDEO_PALETTE_RGB24;
- se401->enhance=1;
- se401->dropped=0;
- se401->error=0;
- se401->framecount=0;
- se401->readcount=0;
+ se401->palette = VIDEO_PALETTE_RGB24;
+ se401->enhance = 1;
+ se401->dropped = 0;
+ se401->error = 0;
+ se401->framecount = 0;
+ se401->readcount = 0;
/* Start interrupt transfers for snapshot button */
if (button) {
- se401->inturb=usb_alloc_urb(0, GFP_KERNEL);
+ se401->inturb = usb_alloc_urb(0, GFP_KERNEL);
if (!se401->inturb) {
dev_info(&se401->dev->dev,
"Allocation of inturb failed\n");
@@ -1323,7 +1341,7 @@ static int se401_init(struct usb_se401 *se401, int button)
return 1;
}
} else
- se401->inturb=NULL;
+ se401->inturb = NULL;
/* Flash the led */
se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0);
@@ -1340,8 +1358,8 @@ static int se401_probe(struct usb_interface *intf,
struct usb_device *dev = interface_to_usbdev(intf);
struct usb_interface_descriptor *interface;
struct usb_se401 *se401;
- char *camera_name=NULL;
- int button=1;
+ char *camera_name = NULL;
+ int button = 1;
/* We don't handle multi-config cameras */
if (dev->descriptor.bNumConfigurations != 1)
@@ -1350,22 +1368,22 @@ static int se401_probe(struct usb_interface *intf,
interface = &intf->cur_altsetting->desc;
/* Is it an se401? */
- if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x0004) {
- camera_name="Endpoints/Aox SE401";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x030b) {
- camera_name="Philips PCVC665K";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5001) {
- camera_name="Kensington VideoCAM 67014";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5002) {
- camera_name="Kensington VideoCAM 6701(5/7)";
- } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
- le16_to_cpu(dev->descriptor.idProduct) == 0x5003) {
- camera_name="Kensington VideoCAM 67016";
- button=0;
+ if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x0004) {
+ camera_name = "Endpoints/Aox SE401";
+ } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x030b) {
+ camera_name = "Philips PCVC665K";
+ } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x5001) {
+ camera_name = "Kensington VideoCAM 67014";
+ } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x5002) {
+ camera_name = "Kensington VideoCAM 6701(5/7)";
+ } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x5003) {
+ camera_name = "Kensington VideoCAM 67016";
+ button = 0;
} else
return -ENODEV;
@@ -1378,7 +1396,8 @@ static int se401_probe(struct usb_interface *intf,
/* We found one */
dev_info(&intf->dev, "SE401 camera found: %s\n", camera_name);
- if ((se401 = kzalloc(sizeof(*se401), GFP_KERNEL)) == NULL) {
+ se401 = kzalloc(sizeof(*se401), GFP_KERNEL);
+ if (se401 == NULL) {
err("couldn't kmalloc se401 struct");
return -ENOMEM;
}
@@ -1396,12 +1415,14 @@ static int se401_probe(struct usb_interface *intf,
}
memcpy(&se401->vdev, &se401_template, sizeof(se401_template));
- memcpy(se401->vdev.name, se401->camera_name, strlen(se401->camera_name));
+ memcpy(se401->vdev.name, se401->camera_name,
+ strlen(se401->camera_name));
init_waitqueue_head(&se401->wq);
mutex_init(&se401->lock);
wmb();
- if (video_register_device(&se401->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
+ if (video_register_device(&se401->vdev,
+ VFL_TYPE_GRABBER, video_nr) < 0) {
kfree(se401);
err("video_register_device failed");
return -EIO;
@@ -1409,20 +1430,20 @@ static int se401_probe(struct usb_interface *intf,
dev_info(&intf->dev, "registered new video device: video%d\n",
se401->vdev.num);
- usb_set_intfdata (intf, se401);
+ usb_set_intfdata(intf, se401);
return 0;
}
static void se401_disconnect(struct usb_interface *intf)
{
- struct usb_se401 *se401 = usb_get_intfdata (intf);
+ struct usb_se401 *se401 = usb_get_intfdata(intf);
- usb_set_intfdata (intf, NULL);
+ usb_set_intfdata(intf, NULL);
if (se401) {
video_unregister_device(&se401->vdev);
- if (!se401->user){
+ if (!se401->user)
usb_se401_remove_disconnected(se401);
- } else {
+ else {
se401->frame[0].grabstate = FRAME_ERROR;
se401->frame[0].grabstate = FRAME_ERROR;
@@ -1435,10 +1456,10 @@ static void se401_disconnect(struct usb_interface *intf)
}
static struct usb_driver se401_driver = {
- .name = "se401",
- .id_table = device_table,
- .probe = se401_probe,
- .disconnect = se401_disconnect,
+ .name = "se401",
+ .id_table = device_table,
+ .probe = se401_probe,
+ .disconnect = se401_disconnect,
};
@@ -1451,9 +1472,10 @@ static struct usb_driver se401_driver = {
static int __init usb_se401_init(void)
{
- printk(KERN_INFO "SE401 usb camera driver version %s registering\n", version);
+ printk(KERN_INFO "SE401 usb camera driver version %s registering\n",
+ version);
if (flickerless)
- if (flickerless!=50 && flickerless!=60) {
+ if (flickerless != 50 && flickerless != 60) {
printk(KERN_ERR "Invallid flickerless value, use 0, 50 or 60.\n");
return -1;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 05:34:43 +0000