mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 21:38:32 +08:00
V4L/DVB: bw-qcam: coding style cleanup
Clean up the coding style before we convert this driver to V4L2. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
51224aa436
commit
1d61aac099
@ -80,8 +80,8 @@ OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
#include "bw-qcam.h"
|
||||
|
||||
static unsigned int maxpoll=250; /* Maximum busy-loop count for qcam I/O */
|
||||
static unsigned int yieldlines=4; /* Yield after this many during capture */
|
||||
static unsigned int maxpoll = 250; /* Maximum busy-loop count for qcam I/O */
|
||||
static unsigned int yieldlines = 4; /* Yield after this many during capture */
|
||||
static int video_nr = -1;
|
||||
static unsigned int force_init; /* Whether to probe aggressively */
|
||||
|
||||
@ -156,7 +156,7 @@ static int qc_calibrate(struct qcam_device *q)
|
||||
mdelay(1);
|
||||
schedule();
|
||||
count++;
|
||||
} while (value == 0xff && count<2048);
|
||||
} while (value == 0xff && count < 2048);
|
||||
|
||||
q->whitebal = value;
|
||||
return value;
|
||||
@ -170,16 +170,15 @@ static struct qcam_device *qcam_init(struct parport *port)
|
||||
struct qcam_device *q;
|
||||
|
||||
q = kmalloc(sizeof(struct qcam_device), GFP_KERNEL);
|
||||
if(q==NULL)
|
||||
if (q == NULL)
|
||||
return NULL;
|
||||
|
||||
q->pport = port;
|
||||
q->pdev = parport_register_device(port, "bw-qcam", NULL, NULL,
|
||||
NULL, 0, NULL);
|
||||
if (q->pdev == NULL)
|
||||
{
|
||||
NULL, 0, NULL);
|
||||
if (q->pdev == NULL) {
|
||||
printk(KERN_ERR "bw-qcam: couldn't register for %s.\n",
|
||||
port->name);
|
||||
port->name);
|
||||
kfree(q);
|
||||
return NULL;
|
||||
}
|
||||
@ -247,12 +246,10 @@ static int qc_readparam(struct qcam_device *q)
|
||||
static int qc_waithand(struct qcam_device *q, int val)
|
||||
{
|
||||
int status;
|
||||
int runs=0;
|
||||
int runs = 0;
|
||||
|
||||
if (val)
|
||||
{
|
||||
while (!((status = read_lpstatus(q)) & 8))
|
||||
{
|
||||
if (val) {
|
||||
while (!((status = read_lpstatus(q)) & 8)) {
|
||||
/* 1000 is enough spins on the I/O for all normal
|
||||
cases, at that point we start to poll slowly
|
||||
until the camera wakes up. However, we are
|
||||
@ -260,18 +257,13 @@ static int qc_waithand(struct qcam_device *q, int val)
|
||||
setting it lower is much better for interactive
|
||||
response. */
|
||||
|
||||
if(runs++>maxpoll)
|
||||
{
|
||||
if (runs++ > maxpoll)
|
||||
msleep_interruptible(5);
|
||||
}
|
||||
if(runs>(maxpoll+1000)) /* 5 seconds */
|
||||
if (runs > (maxpoll + 1000)) /* 5 seconds */
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while (((status = read_lpstatus(q)) & 8))
|
||||
{
|
||||
} else {
|
||||
while (((status = read_lpstatus(q)) & 8)) {
|
||||
/* 1000 is enough spins on the I/O for all normal
|
||||
cases, at that point we start to poll slowly
|
||||
until the camera wakes up. However, we are
|
||||
@ -279,11 +271,9 @@ static int qc_waithand(struct qcam_device *q, int val)
|
||||
setting it lower is much better for interactive
|
||||
response. */
|
||||
|
||||
if(runs++>maxpoll)
|
||||
{
|
||||
if (runs++ > maxpoll)
|
||||
msleep_interruptible(5);
|
||||
}
|
||||
if(runs++>(maxpoll+1000)) /* 5 seconds */
|
||||
if (runs++ > (maxpoll + 1000)) /* 5 seconds */
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
@ -299,10 +289,9 @@ static int qc_waithand(struct qcam_device *q, int val)
|
||||
static unsigned int qc_waithand2(struct qcam_device *q, int val)
|
||||
{
|
||||
unsigned int status;
|
||||
int runs=0;
|
||||
int runs = 0;
|
||||
|
||||
do
|
||||
{
|
||||
do {
|
||||
status = read_lpdata(q);
|
||||
/* 1000 is enough spins on the I/O for all normal
|
||||
cases, at that point we start to poll slowly
|
||||
@ -311,14 +300,11 @@ static unsigned int qc_waithand2(struct qcam_device *q, int val)
|
||||
setting it lower is much better for interactive
|
||||
response. */
|
||||
|
||||
if(runs++>maxpoll)
|
||||
{
|
||||
if (runs++ > maxpoll)
|
||||
msleep_interruptible(5);
|
||||
}
|
||||
if(runs++>(maxpoll+1000)) /* 5 seconds */
|
||||
if (runs++ > (maxpoll + 1000)) /* 5 seconds */
|
||||
return 0;
|
||||
}
|
||||
while ((status & 1) != val);
|
||||
} while ((status & 1) != val);
|
||||
|
||||
return status;
|
||||
}
|
||||
@ -342,8 +328,7 @@ static int qc_detect(struct qcam_device *q)
|
||||
|
||||
lastreg = reg = read_lpstatus(q) & 0xf0;
|
||||
|
||||
for (i = 0; i < 500; i++)
|
||||
{
|
||||
for (i = 0; i < 500; i++) {
|
||||
reg = read_lpstatus(q) & 0xf0;
|
||||
if (reg != lastreg)
|
||||
count++;
|
||||
@ -357,7 +342,7 @@ static int qc_detect(struct qcam_device *q)
|
||||
won't be flashing these bits. Possibly unloading the module
|
||||
in the middle of a grab? Or some timeout condition?
|
||||
I've seen this parameter as low as 19 on my 450Mhz box - mpc */
|
||||
printk("Debugging: QCam detection counter <30-200 counts as detected>: %d\n", count);
|
||||
printk(KERN_DEBUG "Debugging: QCam detection counter <30-200 counts as detected>: %d\n", count);
|
||||
return 1;
|
||||
#endif
|
||||
|
||||
@ -367,7 +352,7 @@ static int qc_detect(struct qcam_device *q)
|
||||
return 1; /* found */
|
||||
} else {
|
||||
printk(KERN_ERR "No Quickcam found on port %s\n",
|
||||
q->pport->name);
|
||||
q->pport->name);
|
||||
printk(KERN_DEBUG "Quickcam detection counter: %u\n", count);
|
||||
return 0; /* not found */
|
||||
}
|
||||
@ -381,26 +366,24 @@ static int qc_detect(struct qcam_device *q)
|
||||
|
||||
static void qc_reset(struct qcam_device *q)
|
||||
{
|
||||
switch (q->port_mode & QC_FORCE_MASK)
|
||||
{
|
||||
case QC_FORCE_UNIDIR:
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
|
||||
break;
|
||||
switch (q->port_mode & QC_FORCE_MASK) {
|
||||
case QC_FORCE_UNIDIR:
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
|
||||
break;
|
||||
|
||||
case QC_FORCE_BIDIR:
|
||||
case QC_FORCE_BIDIR:
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_BIDIR;
|
||||
break;
|
||||
|
||||
case QC_ANY:
|
||||
write_lpcontrol(q, 0x20);
|
||||
write_lpdata(q, 0x75);
|
||||
|
||||
if (read_lpdata(q) != 0x75)
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_BIDIR;
|
||||
break;
|
||||
|
||||
case QC_ANY:
|
||||
write_lpcontrol(q, 0x20);
|
||||
write_lpdata(q, 0x75);
|
||||
|
||||
if (read_lpdata(q) != 0x75) {
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_BIDIR;
|
||||
} else {
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
|
||||
}
|
||||
break;
|
||||
else
|
||||
q->port_mode = (q->port_mode & ~QC_MODE_MASK) | QC_UNIDIR;
|
||||
break;
|
||||
}
|
||||
|
||||
write_lpcontrol(q, 0xb);
|
||||
@ -423,36 +406,33 @@ static int qc_setscanmode(struct qcam_device *q)
|
||||
{
|
||||
int old_mode = q->mode;
|
||||
|
||||
switch (q->transfer_scale)
|
||||
{
|
||||
case 1:
|
||||
q->mode = 0;
|
||||
break;
|
||||
case 2:
|
||||
q->mode = 4;
|
||||
break;
|
||||
case 4:
|
||||
q->mode = 8;
|
||||
break;
|
||||
switch (q->transfer_scale) {
|
||||
case 1:
|
||||
q->mode = 0;
|
||||
break;
|
||||
case 2:
|
||||
q->mode = 4;
|
||||
break;
|
||||
case 4:
|
||||
q->mode = 8;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (q->bpp)
|
||||
{
|
||||
case 4:
|
||||
break;
|
||||
case 6:
|
||||
q->mode += 2;
|
||||
break;
|
||||
switch (q->bpp) {
|
||||
case 4:
|
||||
break;
|
||||
case 6:
|
||||
q->mode += 2;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (q->port_mode & QC_MODE_MASK)
|
||||
{
|
||||
case QC_BIDIR:
|
||||
q->mode += 1;
|
||||
break;
|
||||
case QC_NOTSET:
|
||||
case QC_UNIDIR:
|
||||
break;
|
||||
switch (q->port_mode & QC_MODE_MASK) {
|
||||
case QC_BIDIR:
|
||||
q->mode += 1;
|
||||
break;
|
||||
case QC_NOTSET:
|
||||
case QC_UNIDIR:
|
||||
break;
|
||||
}
|
||||
|
||||
if (q->mode != old_mode)
|
||||
@ -493,7 +473,7 @@ static void qc_set(struct qcam_device *q)
|
||||
} else {
|
||||
val = q->width * q->bpp;
|
||||
val2 = (((q->port_mode & QC_MODE_MASK) == QC_BIDIR) ? 24 : 8) *
|
||||
q->transfer_scale;
|
||||
q->transfer_scale;
|
||||
}
|
||||
val = DIV_ROUND_UP(val, val2);
|
||||
qc_command(q, 0x13);
|
||||
@ -521,85 +501,80 @@ static void qc_set(struct qcam_device *q)
|
||||
|
||||
static inline int qc_readbytes(struct qcam_device *q, char buffer[])
|
||||
{
|
||||
int ret=1;
|
||||
int ret = 1;
|
||||
unsigned int hi, lo;
|
||||
unsigned int hi2, lo2;
|
||||
static int state;
|
||||
|
||||
if (buffer == NULL)
|
||||
{
|
||||
if (buffer == NULL) {
|
||||
state = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
switch (q->port_mode & QC_MODE_MASK)
|
||||
{
|
||||
case QC_BIDIR: /* Bi-directional Port */
|
||||
write_lpcontrol(q, 0x26);
|
||||
lo = (qc_waithand2(q, 1) >> 1);
|
||||
hi = (read_lpstatus(q) >> 3) & 0x1f;
|
||||
write_lpcontrol(q, 0x2e);
|
||||
lo2 = (qc_waithand2(q, 0) >> 1);
|
||||
hi2 = (read_lpstatus(q) >> 3) & 0x1f;
|
||||
switch (q->bpp)
|
||||
{
|
||||
case 4:
|
||||
buffer[0] = lo & 0xf;
|
||||
buffer[1] = ((lo & 0x70) >> 4) | ((hi & 1) << 3);
|
||||
buffer[2] = (hi & 0x1e) >> 1;
|
||||
buffer[3] = lo2 & 0xf;
|
||||
buffer[4] = ((lo2 & 0x70) >> 4) | ((hi2 & 1) << 3);
|
||||
buffer[5] = (hi2 & 0x1e) >> 1;
|
||||
ret = 6;
|
||||
break;
|
||||
case 6:
|
||||
buffer[0] = lo & 0x3f;
|
||||
buffer[1] = ((lo & 0x40) >> 6) | (hi << 1);
|
||||
buffer[2] = lo2 & 0x3f;
|
||||
buffer[3] = ((lo2 & 0x40) >> 6) | (hi2 << 1);
|
||||
ret = 4;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case QC_UNIDIR: /* Unidirectional Port */
|
||||
write_lpcontrol(q, 6);
|
||||
lo = (qc_waithand(q, 1) & 0xf0) >> 4;
|
||||
write_lpcontrol(q, 0xe);
|
||||
hi = (qc_waithand(q, 0) & 0xf0) >> 4;
|
||||
|
||||
switch (q->bpp)
|
||||
{
|
||||
case 4:
|
||||
buffer[0] = lo;
|
||||
buffer[1] = hi;
|
||||
ret = 2;
|
||||
break;
|
||||
case 6:
|
||||
switch (state)
|
||||
{
|
||||
case 0:
|
||||
buffer[0] = (lo << 2) | ((hi & 0xc) >> 2);
|
||||
q->saved_bits = (hi & 3) << 4;
|
||||
state = 1;
|
||||
ret = 1;
|
||||
break;
|
||||
case 1:
|
||||
buffer[0] = lo | q->saved_bits;
|
||||
q->saved_bits = hi << 2;
|
||||
state = 2;
|
||||
ret = 1;
|
||||
break;
|
||||
case 2:
|
||||
buffer[0] = ((lo & 0xc) >> 2) | q->saved_bits;
|
||||
buffer[1] = ((lo & 3) << 4) | hi;
|
||||
state = 0;
|
||||
ret = 2;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
switch (q->port_mode & QC_MODE_MASK) {
|
||||
case QC_BIDIR: /* Bi-directional Port */
|
||||
write_lpcontrol(q, 0x26);
|
||||
lo = (qc_waithand2(q, 1) >> 1);
|
||||
hi = (read_lpstatus(q) >> 3) & 0x1f;
|
||||
write_lpcontrol(q, 0x2e);
|
||||
lo2 = (qc_waithand2(q, 0) >> 1);
|
||||
hi2 = (read_lpstatus(q) >> 3) & 0x1f;
|
||||
switch (q->bpp) {
|
||||
case 4:
|
||||
buffer[0] = lo & 0xf;
|
||||
buffer[1] = ((lo & 0x70) >> 4) | ((hi & 1) << 3);
|
||||
buffer[2] = (hi & 0x1e) >> 1;
|
||||
buffer[3] = lo2 & 0xf;
|
||||
buffer[4] = ((lo2 & 0x70) >> 4) | ((hi2 & 1) << 3);
|
||||
buffer[5] = (hi2 & 0x1e) >> 1;
|
||||
ret = 6;
|
||||
break;
|
||||
case 6:
|
||||
buffer[0] = lo & 0x3f;
|
||||
buffer[1] = ((lo & 0x40) >> 6) | (hi << 1);
|
||||
buffer[2] = lo2 & 0x3f;
|
||||
buffer[3] = ((lo2 & 0x40) >> 6) | (hi2 << 1);
|
||||
ret = 4;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case QC_UNIDIR: /* Unidirectional Port */
|
||||
write_lpcontrol(q, 6);
|
||||
lo = (qc_waithand(q, 1) & 0xf0) >> 4;
|
||||
write_lpcontrol(q, 0xe);
|
||||
hi = (qc_waithand(q, 0) & 0xf0) >> 4;
|
||||
|
||||
switch (q->bpp) {
|
||||
case 4:
|
||||
buffer[0] = lo;
|
||||
buffer[1] = hi;
|
||||
ret = 2;
|
||||
break;
|
||||
case 6:
|
||||
switch (state) {
|
||||
case 0:
|
||||
buffer[0] = (lo << 2) | ((hi & 0xc) >> 2);
|
||||
q->saved_bits = (hi & 3) << 4;
|
||||
state = 1;
|
||||
ret = 1;
|
||||
break;
|
||||
case 1:
|
||||
buffer[0] = lo | q->saved_bits;
|
||||
q->saved_bits = hi << 2;
|
||||
state = 2;
|
||||
ret = 1;
|
||||
break;
|
||||
case 2:
|
||||
buffer[0] = ((lo & 0xc) >> 2) | q->saved_bits;
|
||||
buffer[1] = ((lo & 3) << 4) | hi;
|
||||
state = 0;
|
||||
ret = 2;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
@ -615,7 +590,7 @@ static inline int qc_readbytes(struct qcam_device *q, char buffer[])
|
||||
* n=2^(bit depth)-1. Ask me for more details if you don't understand
|
||||
* this. */
|
||||
|
||||
static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long len)
|
||||
static long qc_capture(struct qcam_device *q, char __user *buf, unsigned long len)
|
||||
{
|
||||
int i, j, k, yield;
|
||||
int bytes;
|
||||
@ -623,9 +598,9 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
|
||||
int divisor;
|
||||
int pixels_per_line;
|
||||
int pixels_read = 0;
|
||||
int got=0;
|
||||
int got = 0;
|
||||
char buffer[6];
|
||||
int shift=8-q->bpp;
|
||||
int shift = 8 - q->bpp;
|
||||
char invert;
|
||||
|
||||
if (q->mode == -1)
|
||||
@ -634,13 +609,12 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
|
||||
qc_command(q, 0x7);
|
||||
qc_command(q, q->mode);
|
||||
|
||||
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR)
|
||||
{
|
||||
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR) {
|
||||
write_lpcontrol(q, 0x2e); /* turn port around */
|
||||
write_lpcontrol(q, 0x26);
|
||||
(void) qc_waithand(q, 1);
|
||||
qc_waithand(q, 1);
|
||||
write_lpcontrol(q, 0x2e);
|
||||
(void) qc_waithand(q, 0);
|
||||
qc_waithand(q, 0);
|
||||
}
|
||||
|
||||
/* strange -- should be 15:63 below, but 4bpp is odd */
|
||||
@ -650,33 +624,28 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
|
||||
pixels_per_line = q->width / q->transfer_scale;
|
||||
transperline = q->width * q->bpp;
|
||||
divisor = (((q->port_mode & QC_MODE_MASK) == QC_BIDIR) ? 24 : 8) *
|
||||
q->transfer_scale;
|
||||
q->transfer_scale;
|
||||
transperline = DIV_ROUND_UP(transperline, divisor);
|
||||
|
||||
for (i = 0, yield = yieldlines; i < linestotrans; i++)
|
||||
{
|
||||
for (pixels_read = j = 0; j < transperline; j++)
|
||||
{
|
||||
for (i = 0, yield = yieldlines; i < linestotrans; i++) {
|
||||
for (pixels_read = j = 0; j < transperline; j++) {
|
||||
bytes = qc_readbytes(q, buffer);
|
||||
for (k = 0; k < bytes && (pixels_read + k) < pixels_per_line; k++)
|
||||
{
|
||||
for (k = 0; k < bytes && (pixels_read + k) < pixels_per_line; k++) {
|
||||
int o;
|
||||
if (buffer[k] == 0 && invert == 16)
|
||||
{
|
||||
if (buffer[k] == 0 && invert == 16) {
|
||||
/* 4bpp is odd (again) -- inverter is 16, not 15, but output
|
||||
must be 0-15 -- bls */
|
||||
buffer[k] = 16;
|
||||
}
|
||||
o=i*pixels_per_line + pixels_read + k;
|
||||
if(o<len)
|
||||
{
|
||||
o = i * pixels_per_line + pixels_read + k;
|
||||
if (o < len) {
|
||||
got++;
|
||||
put_user((invert - buffer[k])<<shift, buf+o);
|
||||
put_user((invert - buffer[k]) << shift, buf + o);
|
||||
}
|
||||
}
|
||||
pixels_read += bytes;
|
||||
}
|
||||
(void) qc_readbytes(q, NULL); /* reset state machine */
|
||||
qc_readbytes(q, NULL); /* reset state machine */
|
||||
|
||||
/* Grabbing an entire frame from the quickcam is a lengthy
|
||||
process. We don't (usually) want to busy-block the
|
||||
@ -690,14 +659,13 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
|
||||
}
|
||||
}
|
||||
|
||||
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR)
|
||||
{
|
||||
if ((q->port_mode & QC_MODE_MASK) == QC_BIDIR) {
|
||||
write_lpcontrol(q, 2);
|
||||
write_lpcontrol(q, 6);
|
||||
udelay(3);
|
||||
write_lpcontrol(q, 0xe);
|
||||
}
|
||||
if(got<len)
|
||||
if (got < len)
|
||||
return got;
|
||||
return len;
|
||||
}
|
||||
@ -709,11 +677,10 @@ static long qc_capture(struct qcam_device * q, char __user *buf, unsigned long l
|
||||
static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
||||
{
|
||||
struct video_device *dev = video_devdata(file);
|
||||
struct qcam_device *qcam=(struct qcam_device *)dev;
|
||||
struct qcam_device *qcam = (struct qcam_device *)dev;
|
||||
|
||||
switch(cmd)
|
||||
{
|
||||
case VIDIOCGCAP:
|
||||
switch (cmd) {
|
||||
case VIDIOCGCAP:
|
||||
{
|
||||
struct video_capability *b = arg;
|
||||
strcpy(b->name, "Quickcam");
|
||||
@ -726,73 +693,73 @@ static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
||||
b->minheight = 60;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGCHAN:
|
||||
case VIDIOCGCHAN:
|
||||
{
|
||||
struct video_channel *v = arg;
|
||||
if(v->channel!=0)
|
||||
if (v->channel != 0)
|
||||
return -EINVAL;
|
||||
v->flags=0;
|
||||
v->tuners=0;
|
||||
v->flags = 0;
|
||||
v->tuners = 0;
|
||||
/* Good question.. its composite or SVHS so.. */
|
||||
v->type = VIDEO_TYPE_CAMERA;
|
||||
strcpy(v->name, "Camera");
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSCHAN:
|
||||
case VIDIOCSCHAN:
|
||||
{
|
||||
struct video_channel *v = arg;
|
||||
if(v->channel!=0)
|
||||
if (v->channel != 0)
|
||||
return -EINVAL;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGTUNER:
|
||||
case VIDIOCGTUNER:
|
||||
{
|
||||
struct video_tuner *v = arg;
|
||||
if(v->tuner)
|
||||
if (v->tuner)
|
||||
return -EINVAL;
|
||||
strcpy(v->name, "Format");
|
||||
v->rangelow=0;
|
||||
v->rangehigh=0;
|
||||
v->flags= 0;
|
||||
v->rangelow = 0;
|
||||
v->rangehigh = 0;
|
||||
v->flags = 0;
|
||||
v->mode = VIDEO_MODE_AUTO;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSTUNER:
|
||||
case VIDIOCSTUNER:
|
||||
{
|
||||
struct video_tuner *v = arg;
|
||||
if(v->tuner)
|
||||
if (v->tuner)
|
||||
return -EINVAL;
|
||||
if(v->mode!=VIDEO_MODE_AUTO)
|
||||
if (v->mode != VIDEO_MODE_AUTO)
|
||||
return -EINVAL;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGPICT:
|
||||
case VIDIOCGPICT:
|
||||
{
|
||||
struct video_picture *p = arg;
|
||||
p->colour=0x8000;
|
||||
p->hue=0x8000;
|
||||
p->brightness=qcam->brightness<<8;
|
||||
p->contrast=qcam->contrast<<8;
|
||||
p->whiteness=qcam->whitebal<<8;
|
||||
p->depth=qcam->bpp;
|
||||
p->palette=VIDEO_PALETTE_GREY;
|
||||
p->colour = 0x8000;
|
||||
p->hue = 0x8000;
|
||||
p->brightness = qcam->brightness << 8;
|
||||
p->contrast = qcam->contrast << 8;
|
||||
p->whiteness = qcam->whitebal << 8;
|
||||
p->depth = qcam->bpp;
|
||||
p->palette = VIDEO_PALETTE_GREY;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSPICT:
|
||||
case VIDIOCSPICT:
|
||||
{
|
||||
struct video_picture *p = arg;
|
||||
if(p->palette!=VIDEO_PALETTE_GREY)
|
||||
if (p->palette != VIDEO_PALETTE_GREY)
|
||||
return -EINVAL;
|
||||
if(p->depth!=4 && p->depth!=6)
|
||||
if (p->depth != 4 && p->depth != 6)
|
||||
return -EINVAL;
|
||||
|
||||
/*
|
||||
* Now load the camera.
|
||||
*/
|
||||
|
||||
qcam->brightness = p->brightness>>8;
|
||||
qcam->contrast = p->contrast>>8;
|
||||
qcam->whitebal = p->whiteness>>8;
|
||||
qcam->brightness = p->brightness >> 8;
|
||||
qcam->contrast = p->contrast >> 8;
|
||||
qcam->whitebal = p->whiteness >> 8;
|
||||
qcam->bpp = p->depth;
|
||||
|
||||
mutex_lock(&qcam->lock);
|
||||
@ -802,28 +769,25 @@ static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
||||
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCSWIN:
|
||||
case VIDIOCSWIN:
|
||||
{
|
||||
struct video_window *vw = arg;
|
||||
if(vw->flags)
|
||||
if (vw->flags)
|
||||
return -EINVAL;
|
||||
if(vw->clipcount)
|
||||
if (vw->clipcount)
|
||||
return -EINVAL;
|
||||
if(vw->height<60||vw->height>240)
|
||||
if (vw->height < 60 || vw->height > 240)
|
||||
return -EINVAL;
|
||||
if(vw->width<80||vw->width>320)
|
||||
if (vw->width < 80 || vw->width > 320)
|
||||
return -EINVAL;
|
||||
|
||||
qcam->width = 320;
|
||||
qcam->height = 240;
|
||||
qcam->transfer_scale = 4;
|
||||
|
||||
if(vw->width>=160 && vw->height>=120)
|
||||
{
|
||||
if (vw->width >= 160 && vw->height >= 120)
|
||||
qcam->transfer_scale = 2;
|
||||
}
|
||||
if(vw->width>=320 && vw->height>=240)
|
||||
{
|
||||
if (vw->width >= 320 && vw->height >= 240) {
|
||||
qcam->width = 320;
|
||||
qcam->height = 240;
|
||||
qcam->transfer_scale = 1;
|
||||
@ -839,41 +803,42 @@ static long qcam_do_ioctl(struct file *file, unsigned int cmd, void *arg)
|
||||
/* Ok we figured out what to use from our wide choice */
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCGWIN:
|
||||
case VIDIOCGWIN:
|
||||
{
|
||||
struct video_window *vw = arg;
|
||||
|
||||
memset(vw, 0, sizeof(*vw));
|
||||
vw->width=qcam->width/qcam->transfer_scale;
|
||||
vw->height=qcam->height/qcam->transfer_scale;
|
||||
vw->width = qcam->width / qcam->transfer_scale;
|
||||
vw->height = qcam->height / qcam->transfer_scale;
|
||||
return 0;
|
||||
}
|
||||
case VIDIOCKEY:
|
||||
return 0;
|
||||
case VIDIOCCAPTURE:
|
||||
case VIDIOCGFBUF:
|
||||
case VIDIOCSFBUF:
|
||||
case VIDIOCGFREQ:
|
||||
case VIDIOCSFREQ:
|
||||
case VIDIOCGAUDIO:
|
||||
case VIDIOCSAUDIO:
|
||||
return -EINVAL;
|
||||
default:
|
||||
return -ENOIOCTLCMD;
|
||||
case VIDIOCKEY:
|
||||
return 0;
|
||||
case VIDIOCCAPTURE:
|
||||
case VIDIOCGFBUF:
|
||||
case VIDIOCSFBUF:
|
||||
case VIDIOCGFREQ:
|
||||
case VIDIOCSFREQ:
|
||||
case VIDIOCGAUDIO:
|
||||
case VIDIOCSAUDIO:
|
||||
return -EINVAL;
|
||||
default:
|
||||
return -ENOIOCTLCMD;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static long qcam_ioctl(struct file *file,
|
||||
unsigned int cmd, unsigned long arg)
|
||||
unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
return video_usercopy(file, cmd, arg, qcam_do_ioctl);
|
||||
}
|
||||
|
||||
static ssize_t qcam_read(struct file *file, char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
struct video_device *v = video_devdata(file);
|
||||
struct qcam_device *qcam=(struct qcam_device *)v;
|
||||
struct qcam_device *qcam = (struct qcam_device *)v;
|
||||
int len;
|
||||
parport_claim_or_block(qcam->pdev);
|
||||
|
||||
@ -885,7 +850,7 @@ static ssize_t qcam_read(struct file *file, char __user *buf,
|
||||
if (qcam->status & QC_PARAM_CHANGE)
|
||||
qc_set(qcam);
|
||||
|
||||
len=qc_capture(qcam, buf,count);
|
||||
len = qc_capture(qcam, buf, count);
|
||||
|
||||
mutex_unlock(&qcam->lock);
|
||||
|
||||
@ -917,8 +882,7 @@ static const struct v4l2_file_operations qcam_fops = {
|
||||
.ioctl = qcam_ioctl,
|
||||
.read = qcam_read,
|
||||
};
|
||||
static struct video_device qcam_template=
|
||||
{
|
||||
static struct video_device qcam_template = {
|
||||
.name = "Connectix Quickcam",
|
||||
.fops = &qcam_fops,
|
||||
.release = video_device_release_empty,
|
||||
@ -932,22 +896,20 @@ static int init_bwqcam(struct parport *port)
|
||||
{
|
||||
struct qcam_device *qcam;
|
||||
|
||||
if (num_cams == MAX_CAMS)
|
||||
{
|
||||
if (num_cams == MAX_CAMS) {
|
||||
printk(KERN_ERR "Too many Quickcams (max %d)\n", MAX_CAMS);
|
||||
return -ENOSPC;
|
||||
}
|
||||
|
||||
qcam=qcam_init(port);
|
||||
if(qcam==NULL)
|
||||
qcam = qcam_init(port);
|
||||
if (qcam == NULL)
|
||||
return -ENODEV;
|
||||
|
||||
parport_claim_or_block(qcam->pdev);
|
||||
|
||||
qc_reset(qcam);
|
||||
|
||||
if(qc_detect(qcam)==0)
|
||||
{
|
||||
if (qc_detect(qcam) == 0) {
|
||||
parport_release(qcam->pdev);
|
||||
parport_unregister_device(qcam->pdev);
|
||||
kfree(qcam);
|
||||
@ -1045,12 +1007,12 @@ static int __init init_bw_qcams(void)
|
||||
#ifdef MODULE
|
||||
/* Do some sanity checks on the module parameters. */
|
||||
if (maxpoll > 5000) {
|
||||
printk("Connectix Quickcam max-poll was above 5000. Using 5000.\n");
|
||||
printk(KERN_INFO "Connectix Quickcam max-poll was above 5000. Using 5000.\n");
|
||||
maxpoll = 5000;
|
||||
}
|
||||
|
||||
if (yieldlines < 1) {
|
||||
printk("Connectix Quickcam yieldlines was less than 1. Using 1.\n");
|
||||
printk(KERN_INFO "Connectix Quickcam yieldlines was less than 1. Using 1.\n");
|
||||
yieldlines = 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user