lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

V4L/DVB (6758): Miscelaneous cleanups

Browse Source 
Manually fixed all pertinent checkpatch.pl errors inside the source code.

Also removed some unused code at the driver and a few minor cleanups.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab
2007-12-10 09:33:52 -03:00
parent 025341d4f0
commit 543323bcf4
1 changed files with 244 additions and 239 deletions
Download Patch File Download Diff File Expand all files Collapse all files

483
drivers/media/video/vivi.c
View File

@@ -44,16 +44,13 @@
#define WAKE_DENOMINATOR 1001 #define WAKE_DENOMINATOR 1001
#define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */ #define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
/* These timers are for 1 fps - used only for testing */
//#define WAKE_DENOMINATOR 30 /* hack for testing purposes */
//#define BUFFER_TIMEOUT msecs_to_jiffies(5000) /* 5 seconds */
#include "font.h" #include "font.h"
#define VIVI_MAJOR_VERSION 0 #define VIVI_MAJOR_VERSION 0
#define VIVI_MINOR_VERSION 4 #define VIVI_MINOR_VERSION 4
#define VIVI_RELEASE 0 #define VIVI_RELEASE 0
#define VIVI_VERSION KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE) #define VIVI_VERSION \
KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
/* Declare static vars that will be used as parameters */ /* Declare static vars that will be used as parameters */
static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ static unsigned int vid_limit = 16; /* Video memory limit, in Mb */
@@ -72,7 +69,7 @@ static struct v4l2_queryctrl vivi_qctrl[] = {
.default_value = 65535, .default_value = 65535,
.flags = 0, .flags = 0,
.type = V4L2_CTRL_TYPE_INTEGER, .type = V4L2_CTRL_TYPE_INTEGER,
},{ }, {
.id = V4L2_CID_BRIGHTNESS, .id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER, .type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness", .name = "Brightness",
@@ -113,7 +110,7 @@ static struct v4l2_queryctrl vivi_qctrl[] = {
static int qctl_regs[ARRAY_SIZE(vivi_qctrl)]; static int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
#define dprintk(level,fmt, arg...) \ #define dprintk(level, fmt, arg...) \
do { \ do { \
if (vivi.debug >= (level)) \ if (vivi.debug >= (level)) \
printk(KERN_DEBUG "vivi: " fmt , ## arg); \ printk(KERN_DEBUG "vivi: " fmt , ## arg); \
@@ -176,7 +173,7 @@ struct vivi_dev {
struct vivi_dmaqueue vidq; struct vivi_dmaqueue vidq;
/* Several counters */ /* Several counters */
int h,m,s,us,jiffies; int h, m, s, us, jiffies;
char timestr[13]; char timestr[13];
int mv_count; /* Controls bars movement */ int mv_count; /* Controls bars movement */
@@ -187,7 +184,7 @@ struct vivi_fh {
/* video capture */ /* video capture */
struct vivi_fmt *fmt; struct vivi_fmt *fmt;
unsigned int width,height; unsigned int width, height;
struct videobuf_queue vb_vidq; struct videobuf_queue vb_vidq;
enum v4l2_buf_type type; enum v4l2_buf_type type;
@@ -206,109 +203,113 @@ enum colors {
GREEN, GREEN,
MAGENTA, MAGENTA,
RED, RED,
BLUE BLUE,
BLACK,
}; };
static u8 bars[8][3] = { static u8 bars[8][3] = {
/* R G B */ /* R G B */
{204,204,204}, /* white */ {204, 204, 204}, /* white */
{208,208, 0}, /* ambar */ {208, 208, 0}, /* ambar */
{ 0,206,206}, /* cyan */ { 0, 206, 206}, /* cyan */
{ 0,239, 0}, /* green */ { 0, 239, 0}, /* green */
{239, 0,239}, /* magenta */ {239, 0, 239}, /* magenta */
{205, 0, 0}, /* red */ {205, 0, 0}, /* red */
{ 0, 0,255}, /* blue */ { 0, 0, 255}, /* blue */
{ 0, 0, 0} { 0, 0, 0}, /* black */
}; };
#define TO_Y(r,g,b) (((16829*r +33039*g +6416*b + 32768)>>16)+16) #define TO_Y(r, g, b) \
(((16829 * r + 33039 * g + 6416 * b + 32768) >> 16) + 16)
/* RGB to V(Cr) Color transform */ /* RGB to V(Cr) Color transform */
#define TO_V(r,g,b) (((28784*r -24103*g -4681*b + 32768)>>16)+128) #define TO_V(r, g, b) \
(((28784 * r - 24103 * g - 4681 * b + 32768) >> 16) + 128)
/* RGB to U(Cb) Color transform */ /* RGB to U(Cb) Color transform */
#define TO_U(r,g,b) (((-9714*r -19070*g +28784*b + 32768)>>16)+128) #define TO_U(r, g, b) \
(((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
#define TSTAMP_MIN_Y 24 #define TSTAMP_MIN_Y 24
#define TSTAMP_MAX_Y TSTAMP_MIN_Y+15 #define TSTAMP_MAX_Y TSTAMP_MIN_Y+15
#define TSTAMP_MIN_X 64 #define TSTAMP_MIN_X 64
static void gen_line(char *basep,int inipos,int wmax, static void gen_line(char *basep, int inipos, int wmax,
int hmax, int line, int count, char *timestr) int hmax, int line, int count, char *timestr)
{ {
int w,i,j,pos=inipos,y; int w, i, j, y;
char *p,*s; int pos = inipos;
u8 chr,r,g,b,color; char *p, *s;
u8 chr, r, g, b, color;
/* We will just duplicate the second pixel at the packet */ /* We will just duplicate the second pixel at the packet */
wmax/=2; wmax /= 2;
/* Generate a standard color bar pattern */ /* Generate a standard color bar pattern */
for (w=0;w<wmax;w++) { for (w = 0; w < wmax; w++) {
int colorpos=((w+count)*8/(wmax+1)) % 8; int colorpos = ((w + count) * 8/(wmax + 1)) % 8;
r=bars[colorpos][0]; r = bars[colorpos][0];
g=bars[colorpos][1]; g = bars[colorpos][1];
b=bars[colorpos][2]; b = bars[colorpos][2];
for (color=0;color<4;color++) { for (color = 0; color < 4; color++) {
p=basep+pos; p = basep + pos;
switch (color) { switch (color) {
case 0: case 0:
case 2: case 2:
*p=TO_Y(r,g,b); /* Luminance */ *p = TO_Y(r, g, b); /* Luma */
break; break;
case 1: case 1:
*p=TO_U(r,g,b); /* Cb */ *p = TO_U(r, g, b); /* Cb */
break; break;
case 3: case 3:
*p=TO_V(r,g,b); /* Cr */ *p = TO_V(r, g, b); /* Cr */
break; break;
} }
pos++; pos++;
} }
} }
/* Checks if it is possible to show timestamp */ /* Checks if it is possible to show timestamp */
if (TSTAMP_MAX_Y>=hmax) if (TSTAMP_MAX_Y >= hmax)
goto end; goto end;
if (TSTAMP_MIN_X+strlen(timestr)>=wmax) if (TSTAMP_MIN_X + strlen(timestr) >= wmax)
goto end; goto end;
/* Print stream time */ /* Print stream time */
if (line>=TSTAMP_MIN_Y && line<=TSTAMP_MAX_Y) { if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) {
j=TSTAMP_MIN_X; j = TSTAMP_MIN_X;
for (s=timestr;*s;s++) { for (s = timestr; *s; s++) {
chr=rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y]; chr = rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y];
for (i=0;i<7;i++) { for (i = 0; i < 7; i++) {
if (chr&1<<(7-i)) { /* Font color*/ if (chr & 1 << (7 - i)) {
r=bars[BLUE][0]; /* Font color*/
g=bars[BLUE][1]; r = 0;
b=bars[BLUE][2]; g = 198;
r=g=b=0; b = 0;
g=198; } else {
} else { /* Background color */ /* Background color */
r=bars[WHITE][0]; r = bars[BLACK][0];
g=bars[WHITE][1]; g = bars[BLACK][1];
b=bars[WHITE][2]; b = bars[BLACK][2];
r=g=b=0;
} }
pos=inipos+j*2; pos = inipos + j * 2;
for (color=0;color<4;color++) { for (color = 0; color < 4; color++) {
p=basep+pos; p = basep + pos;
y=TO_Y(r,g,b); y = TO_Y(r, g, b);
switch (color) { switch (color) {
case 0: case 0:
case 2: case 2:
*p=TO_Y(r,g,b); /* Luminance */ *p = TO_Y(r, g, b); /* Luma */
break; break;
case 1: case 1:
*p=TO_U(r,g,b); /* Cb */ *p = TO_U(r, g, b); /* Cb */
break; break;
case 3: case 3:
*p=TO_V(r,g,b); /* Cr */ *p = TO_V(r, g, b); /* Cr */
break; break;
} }
pos++; pos++;
} }
@@ -317,28 +318,27 @@ static void gen_line(char *basep,int inipos,int wmax,
} }
} }
end: end:
return; return;
} }
static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf) static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
{ {
int h,pos=0; int h , pos = 0;
int hmax = buf->vb.height; int hmax = buf->vb.height;
int wmax = buf->vb.width; int wmax = buf->vb.width;
struct timeval ts; struct timeval ts;
char *tmpbuf = kmalloc(wmax*2,GFP_KERNEL); char *tmpbuf = kmalloc(wmax * 2, GFP_KERNEL);
void *vbuf=videobuf_to_vmalloc (&buf->vb); void *vbuf = videobuf_to_vmalloc(&buf->vb);
if (!tmpbuf) if (!tmpbuf)
return; return;
for (h=0;h<hmax;h++) { for (h = 0; h < hmax; h++) {
gen_line(tmpbuf, 0, wmax, hmax, h, dev->mv_count, gen_line(tmpbuf, 0, wmax, hmax, h, dev->mv_count,
dev->timestr); dev->timestr);
/* FIXME: replacing to __copy_to_user */ /* FIXME: replacing to __copy_to_user */
if (copy_to_user(vbuf+pos,tmpbuf,wmax*2)!=0) if (copy_to_user(vbuf + pos, tmpbuf, wmax * 2) != 0)
dprintk(2,"vivifill copy_to_user failed.\n"); dprintk(2, "vivifill copy_to_user failed.\n");
pos += wmax*2; pos += wmax*2;
} }
@@ -348,27 +348,27 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf)
/* Updates stream time */ /* Updates stream time */
dev->us+=jiffies_to_usecs(jiffies-dev->jiffies); dev->us += jiffies_to_usecs(jiffies-dev->jiffies);
dev->jiffies=jiffies; dev->jiffies = jiffies;
if (dev->us>=1000000) { if (dev->us >= 1000000) {
dev->us-=1000000; dev->us -= 1000000;
dev->s++; dev->s++;
if (dev->s>=60) { if (dev->s >= 60) {
dev->s-=60; dev->s -= 60;
dev->m++; dev->m++;
if (dev->m>60) { if (dev->m > 60) {
dev->m-=60; dev->m -= 60;
dev->h++; dev->h++;
if (dev->h>24) if (dev->h > 24)
dev->h-=24; dev->h -= 24;
} }
} }
} }
sprintf(dev->timestr,"%02d:%02d:%02d:%03d", sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
dev->h,dev->m,dev->s,(dev->us+500)/1000); dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
dprintk(2,"vivifill at %s: Buffer 0x%08lx size= %d\n",dev->timestr, dprintk(2, "vivifill at %s: Buffer 0x%08lx size= %d\n", dev->timestr,
(unsigned long)tmpbuf,pos); (unsigned long)tmpbuf, pos);
/* Advice that buffer was filled */ /* Advice that buffer was filled */
buf->vb.state = VIDEOBUF_DONE; buf->vb.state = VIDEOBUF_DONE;
@@ -385,14 +385,14 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q);
static void vivi_thread_tick(struct vivi_dmaqueue *dma_q) static void vivi_thread_tick(struct vivi_dmaqueue *dma_q)
{ {
struct vivi_buffer *buf; struct vivi_buffer *buf;
struct vivi_dev *dev= container_of(dma_q,struct vivi_dev,vidq); struct vivi_dev *dev = container_of(dma_q, struct vivi_dev, vidq);
int bc; int bc;
/* Announces videobuf that all went ok */ /* Announces videobuf that all went ok */
for (bc = 0;; bc++) { for (bc = 0;; bc++) {
if (list_empty(&dma_q->active)) { if (list_empty(&dma_q->active)) {
dprintk(1,"No active queue to serve\n"); dprintk(1, "No active queue to serve\n");
break; break;
} }
@@ -406,19 +406,20 @@ static void vivi_thread_tick(struct vivi_dmaqueue *dma_q)
} }
do_gettimeofday(&buf->vb.ts); do_gettimeofday(&buf->vb.ts);
dprintk(2,"[%p/%d] wakeup\n",buf,buf->vb.i); dprintk(2, "[%p/%d] wakeup\n", buf, buf->vb. i);
/* Fill buffer */ /* Fill buffer */
vivi_fillbuff(dev,buf); vivi_fillbuff(dev, buf);
if (list_empty(&dma_q->active)) { if (list_empty(&dma_q->active)) {
del_timer(&dma_q->timeout); del_timer(&dma_q->timeout);
} else { } else {
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT); mod_timer(&dma_q->timeout, jiffies + BUFFER_TIMEOUT);
} }
} }
if (bc != 1) if (bc != 1)
dprintk(1,"%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc); dprintk(1, "%s: %d buffers handled (should be 1)\n",
__FUNCTION__, bc);
} }
static void vivi_sleep(struct vivi_dmaqueue *dma_q) static void vivi_sleep(struct vivi_dmaqueue *dma_q)
@@ -426,30 +427,38 @@ static void vivi_sleep(struct vivi_dmaqueue *dma_q)
int timeout; int timeout;
DECLARE_WAITQUEUE(wait, current); DECLARE_WAITQUEUE(wait, current);
dprintk(1,"%s dma_q=0x%08lx\n",__FUNCTION__,(unsigned long)dma_q); dprintk(1, "%s dma_q=0x%08lx\n", __FUNCTION__, (unsigned long)dma_q);
add_wait_queue(&dma_q->wq, &wait); add_wait_queue(&dma_q->wq, &wait);
if (!kthread_should_stop()) { if (!kthread_should_stop()) {
dma_q->frame++; dma_q->frame++;
/* Calculate time to wake up */ /* Calculate time to wake up */
timeout=dma_q->ini_jiffies+msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR*1000)/WAKE_DENOMINATOR)-jiffies; timeout = dma_q->ini_jiffies+
msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR * 1000)
/ WAKE_DENOMINATOR) - jiffies;
if (timeout <= 0) { if (timeout <= 0) {
int old=dma_q->frame; int old = dma_q->frame;
dma_q->frame=(jiffies_to_msecs(jiffies-dma_q->ini_jiffies)*WAKE_DENOMINATOR)/(WAKE_NUMERATOR*1000)+1; dma_q->frame = (jiffies_to_msecs(jiffies -
dma_q->ini_jiffies) *
WAKE_DENOMINATOR) /
(WAKE_NUMERATOR * 1000) + 1;
timeout=dma_q->ini_jiffies+msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR*1000)/WAKE_DENOMINATOR)-jiffies; timeout = dma_q->ini_jiffies+
msecs_to_jiffies((dma_q->frame *
WAKE_NUMERATOR * 1000)
/ WAKE_DENOMINATOR) - jiffies;
dprintk(1,"underrun, losed %d frames. " dprintk(1, "underrun, losed %d frames. "
"Now, frame is %d. Waking on %d jiffies\n", "Now, frame is %d. Waking on %d jiffies\n",
dma_q->frame-old,dma_q->frame,timeout); dma_q->frame-old, dma_q->frame, timeout);
} else } else
dprintk(1,"will sleep for %i jiffies\n",timeout); dprintk(1, "will sleep for %i jiffies\n", timeout);
vivi_thread_tick(dma_q); vivi_thread_tick(dma_q);
schedule_timeout_interruptible (timeout); schedule_timeout_interruptible(timeout);
} }
remove_wait_queue(&dma_q->wq, &wait); remove_wait_queue(&dma_q->wq, &wait);
@@ -458,9 +467,9 @@ static void vivi_sleep(struct vivi_dmaqueue *dma_q)
static int vivi_thread(void *data) static int vivi_thread(void *data)
{ {
struct vivi_dmaqueue *dma_q=data; struct vivi_dmaqueue *dma_q = data;
dprintk(1,"thread started\n"); dprintk(1, "thread started\n");
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT); mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
set_freezable(); set_freezable();
@@ -477,10 +486,10 @@ static int vivi_thread(void *data)
static int vivi_start_thread(struct vivi_dmaqueue *dma_q) static int vivi_start_thread(struct vivi_dmaqueue *dma_q)
{ {
dma_q->frame=0; dma_q->frame = 0;
dma_q->ini_jiffies=jiffies; dma_q->ini_jiffies = jiffies;
dprintk(1,"%s\n",__FUNCTION__); dprintk(1, "%s\n", __FUNCTION__);
dma_q->kthread = kthread_run(vivi_thread, dma_q, "vivi"); dma_q->kthread = kthread_run(vivi_thread, dma_q, "vivi");
@@ -491,17 +500,17 @@ static int vivi_start_thread(struct vivi_dmaqueue *dma_q)
/* Wakes thread */ /* Wakes thread */
wake_up_interruptible(&dma_q->wq); wake_up_interruptible(&dma_q->wq);
dprintk(1,"returning from %s\n",__FUNCTION__); dprintk(1, "returning from %s\n", __FUNCTION__);
return 0; return 0;
} }
static void vivi_stop_thread(struct vivi_dmaqueue *dma_q) static void vivi_stop_thread(struct vivi_dmaqueue *dma_q)
{ {
dprintk(1,"%s\n",__FUNCTION__); dprintk(1, "%s\n", __FUNCTION__);
/* shutdown control thread */ /* shutdown control thread */
if (dma_q->kthread) { if (dma_q->kthread) {
kthread_stop(dma_q->kthread); kthread_stop(dma_q->kthread);
dma_q->kthread=NULL; dma_q->kthread = NULL;
} }
} }
@@ -509,16 +518,16 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q)
{ {
struct vivi_buffer *buf, *prev; struct vivi_buffer *buf, *prev;
dprintk(1,"%s dma_q=0x%08lx\n",__FUNCTION__,(unsigned long)dma_q); dprintk(1, "%s dma_q=0x%08lx\n", __FUNCTION__, (unsigned long)dma_q);
if (!list_empty(&dma_q->active)) { if (!list_empty(&dma_q->active)) {
buf = list_entry(dma_q->active.next, struct vivi_buffer, vb.queue); buf = list_entry(dma_q->active.next,
dprintk(2,"restart_queue [%p/%d]: restart dma\n", struct vivi_buffer, vb.queue);
dprintk(2, "restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.i); buf, buf->vb.i);
dprintk(1,"Restarting video dma\n"); dprintk(1, "Restarting video dma\n");
vivi_stop_thread(dma_q); vivi_stop_thread(dma_q);
// vivi_start_thread(dma_q);
/* cancel all outstanding capture / vbi requests */ /* cancel all outstanding capture / vbi requests */
list_for_each_entry_safe(buf, prev, &dma_q->active, vb.queue) { list_for_each_entry_safe(buf, prev, &dma_q->active, vb.queue) {
@@ -535,28 +544,29 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q)
for (;;) { for (;;) {
if (list_empty(&dma_q->queued)) if (list_empty(&dma_q->queued))
return 0; return 0;
buf = list_entry(dma_q->queued.next, struct vivi_buffer, vb.queue); buf = list_entry(dma_q->queued.next,
struct vivi_buffer, vb.queue);
if (NULL == prev) { if (NULL == prev) {
list_del(&buf->vb.queue); list_del(&buf->vb.queue);
list_add_tail(&buf->vb.queue,&dma_q->active); list_add_tail(&buf->vb.queue, &dma_q->active);
dprintk(1,"Restarting video dma\n"); dprintk(1, "Restarting video dma\n");
vivi_stop_thread(dma_q); vivi_stop_thread(dma_q);
vivi_start_thread(dma_q); vivi_start_thread(dma_q);
buf->vb.state = VIDEOBUF_ACTIVE; buf->vb.state = VIDEOBUF_ACTIVE;
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT); mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
dprintk(2,"[%p/%d] restart_queue - first active\n", dprintk(2, "[%p/%d] restart_queue - first active\n",
buf,buf->vb.i); buf, buf->vb.i);
} else if (prev->vb.width == buf->vb.width && } else if (prev->vb.width == buf->vb.width &&
prev->vb.height == buf->vb.height && prev->vb.height == buf->vb.height &&
prev->fmt == buf->fmt) { prev->fmt == buf->fmt) {
list_del(&buf->vb.queue); list_del(&buf->vb.queue);
list_add_tail(&buf->vb.queue,&dma_q->active); list_add_tail(&buf->vb.queue, &dma_q->active);
buf->vb.state = VIDEOBUF_ACTIVE; buf->vb.state = VIDEOBUF_ACTIVE;
dprintk(2,"[%p/%d] restart_queue - move to active\n", dprintk(2, "[%p/%d] restart_queue - move to active\n",
buf,buf->vb.i); buf, buf->vb.i);
} else { } else {
return 0; return 0;
} }
@@ -566,16 +576,17 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q)
static void vivi_vid_timeout(unsigned long data) static void vivi_vid_timeout(unsigned long data)
{ {
struct vivi_dev *dev = (struct vivi_dev*)data; struct vivi_dev *dev = (struct vivi_dev *)data;
struct vivi_dmaqueue *vidq = &dev->vidq; struct vivi_dmaqueue *vidq = &dev->vidq;
struct vivi_buffer *buf; struct vivi_buffer *buf;
while (!list_empty(&vidq->active)) { while (!list_empty(&vidq->active)) {
buf = list_entry(vidq->active.next, struct vivi_buffer, vb.queue); buf = list_entry(vidq->active.next,
struct vivi_buffer, vb.queue);
list_del(&buf->vb.queue); list_del(&buf->vb.queue);
buf->vb.state = VIDEOBUF_ERROR; buf->vb.state = VIDEOBUF_ERROR;
wake_up(&buf->vb.done); wake_up(&buf->vb.done);
printk("vivi/0: [%p/%d] timeout\n", buf, buf->vb.i); printk(KERN_INFO "vivi/0: [%p/%d] timeout\n", buf, buf->vb.i);
} }
restart_video_queue(vidq); restart_video_queue(vidq);
@@ -597,19 +608,19 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
while (*size * *count > vid_limit * 1024 * 1024) while (*size * *count > vid_limit * 1024 * 1024)
(*count)--; (*count)--;
dprintk(1,"%s, count=%d, size=%d\n",__FUNCTION__,*count, *size); dprintk(1, "%s, count=%d, size=%d\n", __FUNCTION__, *count, *size);
return 0; return 0;
} }
static void free_buffer(struct videobuf_queue *vq, struct vivi_buffer *buf) static void free_buffer(struct videobuf_queue *vq, struct vivi_buffer *buf)
{ {
dprintk(1,"%s\n",__FUNCTION__); dprintk(1, "%s\n", __FUNCTION__);
if (in_interrupt()) if (in_interrupt())
BUG(); BUG();
videobuf_waiton(&buf->vb,0,0); videobuf_waiton(&buf->vb, 0, 0);
videobuf_vmalloc_free(&buf->vb); videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT; buf->vb.state = VIDEOBUF_NEEDS_INIT;
} }
@@ -621,10 +632,10 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field) enum v4l2_field field)
{ {
struct vivi_fh *fh = vq->priv_data; struct vivi_fh *fh = vq->priv_data;
struct vivi_buffer *buf = container_of(vb,struct vivi_buffer,vb); struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
int rc, init_buffer = 0; int rc, init_buffer = 0;
dprintk(1,"%s, field=%d\n",__FUNCTION__,field); dprintk(1, "%s, field=%d\n", __FUNCTION__, field);
BUG_ON(NULL == fh->fmt); BUG_ON(NULL == fh->fmt);
if (fh->width < 48 || fh->width > norm_maxw() || if (fh->width < 48 || fh->width > norm_maxw() ||
@@ -646,7 +657,8 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
} }
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
if (0 != (rc = videobuf_iolock(vq,&buf->vb,NULL))) rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
goto fail; goto fail;
} }
@@ -655,65 +667,68 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
return 0; return 0;
fail: fail:
free_buffer(vq,buf); free_buffer(vq, buf);
return rc; return rc;
} }
static void static void
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{ {
struct vivi_buffer *buf = container_of(vb,struct vivi_buffer,vb); struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
struct vivi_fh *fh = vq->priv_data; struct vivi_fh *fh = vq->priv_data;
struct vivi_dev *dev = fh->dev; struct vivi_dev *dev = fh->dev;
struct vivi_dmaqueue *vidq = &dev->vidq; struct vivi_dmaqueue *vidq = &dev->vidq;
struct vivi_buffer *prev; struct vivi_buffer *prev;
if (!list_empty(&vidq->queued)) { if (!list_empty(&vidq->queued)) {
dprintk(1,"adding vb queue=0x%08lx\n",(unsigned long)&buf->vb.queue); dprintk(1, "adding vb queue=0x%08lx\n",
list_add_tail(&buf->vb.queue,&vidq->queued); (unsigned long)&buf->vb.queue);
list_add_tail(&buf->vb.queue, &vidq->queued);
buf->vb.state = VIDEOBUF_QUEUED; buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2,"[%p/%d] buffer_queue - append to queued\n", dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
buf, buf->vb.i); buf, buf->vb.i);
} else if (list_empty(&vidq->active)) { } else if (list_empty(&vidq->active)) {
list_add_tail(&buf->vb.queue,&vidq->active); list_add_tail(&buf->vb.queue, &vidq->active);
buf->vb.state = VIDEOBUF_ACTIVE; buf->vb.state = VIDEOBUF_ACTIVE;
mod_timer(&vidq->timeout, jiffies+BUFFER_TIMEOUT); mod_timer(&vidq->timeout, jiffies+BUFFER_TIMEOUT);
dprintk(2,"[%p/%d] buffer_queue - first active\n", dprintk(2, "[%p/%d] buffer_queue - first active\n",
buf, buf->vb.i); buf, buf->vb.i);
vivi_start_thread(vidq); vivi_start_thread(vidq);
} else { } else {
prev = list_entry(vidq->active.prev, struct vivi_buffer, vb.queue); prev = list_entry(vidq->active.prev,
struct vivi_buffer, vb.queue);
if (prev->vb.width == buf->vb.width && if (prev->vb.width == buf->vb.width &&
prev->vb.height == buf->vb.height && prev->vb.height == buf->vb.height &&
prev->fmt == buf->fmt) { prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue,&vidq->active); list_add_tail(&buf->vb.queue, &vidq->active);
buf->vb.state = VIDEOBUF_ACTIVE; buf->vb.state = VIDEOBUF_ACTIVE;
dprintk(2,"[%p/%d] buffer_queue - append to active\n", dprintk(2, "[%p/%d] buffer_queue - append to active\n",
buf, buf->vb.i); buf, buf->vb.i);
} else { } else {
list_add_tail(&buf->vb.queue,&vidq->queued); list_add_tail(&buf->vb.queue, &vidq->queued);
buf->vb.state = VIDEOBUF_QUEUED; buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2,"[%p/%d] buffer_queue - first queued\n", dprintk(2, "[%p/%d] buffer_queue - first queued\n",
buf, buf->vb.i); buf, buf->vb.i);
} }
} }
} }
static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{ {
struct vivi_buffer *buf = container_of(vb,struct vivi_buffer,vb); struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
struct vivi_fh *fh = vq->priv_data; struct vivi_fh *fh = vq->priv_data;
struct vivi_dev *dev = (struct vivi_dev*)fh->dev; struct vivi_dev *dev = (struct vivi_dev *)fh->dev;
struct vivi_dmaqueue *vidq = &dev->vidq; struct vivi_dmaqueue *vidq = &dev->vidq;
dprintk(1,"%s\n",__FUNCTION__); dprintk(1, "%s\n", __FUNCTION__);
vivi_stop_thread(vidq); vivi_stop_thread(vidq);
free_buffer(vq,buf); free_buffer(vq, buf);
} }
static struct videobuf_queue_ops vivi_video_qops = { static struct videobuf_queue_ops vivi_video_qops = {
@@ -726,7 +741,7 @@ static struct videobuf_queue_ops vivi_video_qops = {
/* ------------------------------------------------------------------ /* ------------------------------------------------------------------
IOCTL vidioc handling IOCTL vidioc handling
------------------------------------------------------------------*/ ------------------------------------------------------------------*/
static int vidioc_querycap (struct file *file, void *priv, static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap) struct v4l2_capability *cap)
{ {
strcpy(cap->driver, "vivi"); strcpy(cap->driver, "vivi");
@@ -738,21 +753,21 @@ static int vidioc_querycap (struct file *file, void *priv,
return 0; return 0;
} }
static int vidioc_enum_fmt_cap (struct file *file, void *priv, static int vidioc_enum_fmt_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f) struct v4l2_fmtdesc *f)
{ {
if (f->index > 0) if (f->index > 0)
return -EINVAL; return -EINVAL;
strlcpy(f->description,format.name,sizeof(f->description)); strlcpy(f->description, format.name, sizeof(f->description));
f->pixelformat = format.fourcc; f->pixelformat = format.fourcc;
return 0; return 0;
} }
static int vidioc_g_fmt_cap (struct file *file, void *priv, static int vidioc_g_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f) struct v4l2_format *f)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
f->fmt.pix.width = fh->width; f->fmt.pix.width = fh->width;
f->fmt.pix.height = fh->height; f->fmt.pix.height = fh->height;
@@ -766,7 +781,7 @@ static int vidioc_g_fmt_cap (struct file *file, void *priv,
return (0); return (0);
} }
static int vidioc_try_fmt_cap (struct file *file, void *priv, static int vidioc_try_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f) struct v4l2_format *f)
{ {
struct vivi_fmt *fmt; struct vivi_fmt *fmt;
@@ -774,18 +789,18 @@ static int vidioc_try_fmt_cap (struct file *file, void *priv,
unsigned int maxw, maxh; unsigned int maxw, maxh;
if (format.fourcc != f->fmt.pix.pixelformat) { if (format.fourcc != f->fmt.pix.pixelformat) {
dprintk(1,"Fourcc format (0x%08x) invalid. Driver accepts " dprintk(1, "Fourcc format (0x%08x) invalid. Driver accepts "
"only 0x%08x\n",f->fmt.pix.pixelformat,format.fourcc); "only 0x%08x\n", f->fmt.pix.pixelformat, format.fourcc);
return -EINVAL; return -EINVAL;
} }
fmt=&format; fmt = &format;
field = f->fmt.pix.field; field = f->fmt.pix.field;
if (field == V4L2_FIELD_ANY) { if (field == V4L2_FIELD_ANY) {
field=V4L2_FIELD_INTERLACED; field = V4L2_FIELD_INTERLACED;
} else if (V4L2_FIELD_INTERLACED != field) { } else if (V4L2_FIELD_INTERLACED != field) {
dprintk(1,"Field type invalid.\n"); dprintk(1, "Field type invalid.\n");
return -EINVAL; return -EINVAL;
} }
@@ -811,11 +826,11 @@ static int vidioc_try_fmt_cap (struct file *file, void *priv,
} }
/*FIXME: This seems to be generic enough to be at videodev2 */ /*FIXME: This seems to be generic enough to be at videodev2 */
static int vidioc_s_fmt_cap (struct file *file, void *priv, static int vidioc_s_fmt_cap(struct file *file, void *priv,
struct v4l2_format *f) struct v4l2_format *f)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
int ret = vidioc_try_fmt_cap(file,fh,f); int ret = vidioc_try_fmt_cap(file, fh, f);
if (ret < 0) if (ret < 0)
return (ret); return (ret);
@@ -828,47 +843,48 @@ static int vidioc_s_fmt_cap (struct file *file, void *priv,
return (0); return (0);
} }
static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
return (videobuf_reqbufs(&fh->vb_vidq, p)); return (videobuf_reqbufs(&fh->vb_vidq, p));
} }
static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
return (videobuf_querybuf(&fh->vb_vidq, p)); return (videobuf_querybuf(&fh->vb_vidq, p));
} }
static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
return (videobuf_qbuf(&fh->vb_vidq, p)); return (videobuf_qbuf(&fh->vb_vidq, p));
} }
static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
return (videobuf_dqbuf(&fh->vb_vidq, p, return (videobuf_dqbuf(&fh->vb_vidq, p,
file->f_flags & O_NONBLOCK)); file->f_flags & O_NONBLOCK));
} }
#ifdef CONFIG_VIDEO_V4L1_COMPAT #ifdef CONFIG_VIDEO_V4L1_COMPAT
static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf) static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
return videobuf_cgmbuf (&fh->vb_vidq, mbuf, 8); return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
} }
#endif #endif
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; return -EINVAL;
@@ -880,7 +896,7 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{ {
struct vivi_fh *fh=priv; struct vivi_fh *fh = priv;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL; return -EINVAL;
@@ -890,13 +906,13 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
return videobuf_streamoff(&fh->vb_vidq); return videobuf_streamoff(&fh->vb_vidq);
} }
static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *i) static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *i)
{ {
return 0; return 0;
} }
/* only one input in this sample driver */ /* only one input in this sample driver */
static int vidioc_enum_input (struct file *file, void *priv, static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *inp) struct v4l2_input *inp)
{ {
if (inp->index != 0) if (inp->index != 0)
@@ -904,18 +920,18 @@ static int vidioc_enum_input (struct file *file, void *priv,
inp->type = V4L2_INPUT_TYPE_CAMERA; inp->type = V4L2_INPUT_TYPE_CAMERA;
inp->std = V4L2_STD_NTSC_M; inp->std = V4L2_STD_NTSC_M;
strcpy(inp->name,"Camera"); strcpy(inp->name, "Camera");
return (0); return (0);
} }
static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{ {
*i = 0; *i = 0;
return (0); return (0);
} }
static int vidioc_s_input (struct file *file, void *priv, unsigned int i) static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{ {
if (i > 0) if (i > 0)
return -EINVAL; return -EINVAL;
@@ -924,8 +940,8 @@ static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
} }
/* --- controls ---------------------------------------------- */ /* --- controls ---------------------------------------------- */
static int vidioc_queryctrl (struct file *file, void *priv, static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc) struct v4l2_queryctrl *qc)
{ {
int i; int i;
@@ -939,33 +955,31 @@ static int vidioc_queryctrl (struct file *file, void *priv,
return -EINVAL; return -EINVAL;
} }
static int vidioc_g_ctrl (struct file *file, void *priv, static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl) struct v4l2_control *ctrl)
{ {
int i; int i;
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++) for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
if (ctrl->id == vivi_qctrl[i].id) { if (ctrl->id == vivi_qctrl[i].id) {
ctrl->value=qctl_regs[i]; ctrl->value = qctl_regs[i];
return (0); return (0);
} }
return -EINVAL; return -EINVAL;
} }
static int vidioc_s_ctrl (struct file *file, void *priv, static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl) struct v4l2_control *ctrl)
{ {
int i; int i;
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++) for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
if (ctrl->id == vivi_qctrl[i].id) { if (ctrl->id == vivi_qctrl[i].id) {
if (ctrl->value < if (ctrl->value < vivi_qctrl[i].minimum
vivi_qctrl[i].minimum || ctrl->value > vivi_qctrl[i].maximum) {
|| ctrl->value >
vivi_qctrl[i].maximum) {
return (-ERANGE); return (-ERANGE);
} }
qctl_regs[i]=ctrl->value; qctl_regs[i] = ctrl->value;
return (0); return (0);
} }
return -EINVAL; return -EINVAL;
@@ -984,16 +998,14 @@ static int vivi_open(struct inode *inode, struct file *file)
struct vivi_fh *fh; struct vivi_fh *fh;
int i; int i;
printk(KERN_DEBUG "vivi: open called (minor=%d)\n",minor); printk(KERN_DEBUG "vivi: open called (minor=%d)\n", minor);
list_for_each_entry(dev, &vivi_devlist, vivi_devlist) list_for_each_entry(dev, &vivi_devlist, vivi_devlist)
if (dev->vfd->minor == minor) if (dev->vfd->minor == minor)
goto found; goto found;
return -ENODEV; return -ENODEV;
found: found:
/* If more than one user, mutex should be added */ /* If more than one user, mutex should be added */
dev->users++; dev->users++;
@@ -1001,7 +1013,7 @@ found:
v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users); v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users);
/* allocate + initialize per filehandle data */ /* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh),GFP_KERNEL); fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh) { if (NULL == fh) {
dev->users--; dev->users--;
return -ENOMEM; return -ENOMEM;
@@ -1017,27 +1029,21 @@ found:
/* Put all controls at a sane state */ /* Put all controls at a sane state */
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++) for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
qctl_regs[i] =vivi_qctrl[i].default_value; qctl_regs[i] = vivi_qctrl[i].default_value;
dprintk(1,"Open: fh=0x%08lx, dev=0x%08lx, dev->vidq=0x%08lx\n",
(unsigned long)fh,(unsigned long)dev,(unsigned long)&dev->vidq);
dprintk(1,"Open: list_empty queued=%d\n",list_empty(&dev->vidq.queued));
dprintk(1,"Open: list_empty active=%d\n",list_empty(&dev->vidq.active));
/* Resets frame counters */ /* Resets frame counters */
dev->h=0; dev->h = 0;
dev->m=0; dev->m = 0;
dev->s=0; dev->s = 0;
dev->us=0; dev->us = 0;
dev->jiffies=jiffies; dev->mv_count = 0;
sprintf(dev->timestr,"%02d:%02d:%02d:%03d", dev->jiffies = jiffies;
dev->h,dev->m,dev->s,(dev->us+500)/1000); sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
videobuf_queue_vmalloc_init(&fh->vb_vidq, &vivi_video_qops, videobuf_queue_vmalloc_init(&fh->vb_vidq, &vivi_video_qops,
NULL, NULL, NULL, NULL, fh->type, V4L2_FIELD_INTERLACED,
fh->type, sizeof(struct vivi_buffer), fh);
V4L2_FIELD_INTERLACED,
sizeof(struct vivi_buffer),fh);
return 0; return 0;
} }
@@ -1045,9 +1051,9 @@ found:
static ssize_t static ssize_t
vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos) vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{ {
struct vivi_fh *fh = file->private_data; struct vivi_fh *fh = file->private_data;
if (fh->type==V4L2_BUF_TYPE_VIDEO_CAPTURE) { if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
return videobuf_read_stream(&fh->vb_vidq, data, count, ppos, 0, return videobuf_read_stream(&fh->vb_vidq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK); file->f_flags & O_NONBLOCK);
} }
@@ -1060,7 +1066,7 @@ vivi_poll(struct file *file, struct poll_table_struct *wait)
struct vivi_fh *fh = file->private_data; struct vivi_fh *fh = file->private_data;
struct videobuf_queue *q = &fh->vb_vidq; struct videobuf_queue *q = &fh->vb_vidq;
dprintk(1,"%s\n",__FUNCTION__); dprintk(1, "%s\n", __FUNCTION__);
if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
return POLLERR; return POLLERR;
@@ -1084,7 +1090,7 @@ static int vivi_close(struct inode *inode, struct file *file)
dev->users--; dev->users--;
printk(KERN_DEBUG "vivi: close called (minor=%d, users=%d)\n",minor,dev->users); dprintk(1, "close called (minor=%d, users=%d)\n", minor, dev->users);
return 0; return 0;
} }
@@ -1110,17 +1116,16 @@ static int vivi_release(void)
return 0; return 0;
} }
static int static int vivi_mmap(struct file *file, struct vm_area_struct *vma)
vivi_mmap(struct file *file, struct vm_area_struct * vma)
{ {
struct vivi_fh *fh = file->private_data; struct vivi_fh *fh = file->private_data;
int ret; int ret;
dprintk (1,"mmap called, vma=0x%08lx\n",(unsigned long)vma); dprintk(1, "mmap called, vma=0x%08lx\n", (unsigned long)vma);
ret=videobuf_mmap_mapper(&fh->vb_vidq, vma); ret = videobuf_mmap_mapper(&fh->vb_vidq, vma);
dprintk (1,"vma start=0x%08lx, size=%ld, ret=%d\n", dprintk(1, "vma start=0x%08lx, size=%ld, ret=%d\n",
(unsigned long)vma->vm_start, (unsigned long)vma->vm_start,
(unsigned long)vma->vm_end-(unsigned long)vma->vm_start, (unsigned long)vma->vm_end-(unsigned long)vma->vm_start,
ret); ret);