V4L/DVB (6758): Miscelaneous cleanups
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
Родитель
025341d4f0
Коммит
543323bcf4
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@ -44,16 +44,13 @@
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#define WAKE_DENOMINATOR 1001
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#define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
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/* These timers are for 1 fps - used only for testing */
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//#define WAKE_DENOMINATOR 30 /* hack for testing purposes */
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//#define BUFFER_TIMEOUT msecs_to_jiffies(5000) /* 5 seconds */
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#include "font.h"
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#define VIVI_MAJOR_VERSION 0
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#define VIVI_MINOR_VERSION 4
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#define VIVI_RELEASE 0
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#define VIVI_VERSION KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
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#define VIVI_VERSION \
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KERNEL_VERSION(VIVI_MAJOR_VERSION, VIVI_MINOR_VERSION, VIVI_RELEASE)
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/* Declare static vars that will be used as parameters */
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static unsigned int vid_limit = 16; /* Video memory limit, in Mb */
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@ -72,7 +69,7 @@ static struct v4l2_queryctrl vivi_qctrl[] = {
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.default_value = 65535,
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.flags = 0,
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.type = V4L2_CTRL_TYPE_INTEGER,
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},{
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}, {
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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@ -113,7 +110,7 @@ static struct v4l2_queryctrl vivi_qctrl[] = {
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static int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
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#define dprintk(level,fmt, arg...) \
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#define dprintk(level, fmt, arg...) \
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do { \
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if (vivi.debug >= (level)) \
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printk(KERN_DEBUG "vivi: " fmt , ## arg); \
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@ -176,7 +173,7 @@ struct vivi_dev {
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struct vivi_dmaqueue vidq;
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/* Several counters */
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int h,m,s,us,jiffies;
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int h, m, s, us, jiffies;
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char timestr[13];
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int mv_count; /* Controls bars movement */
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@ -187,7 +184,7 @@ struct vivi_fh {
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/* video capture */
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struct vivi_fmt *fmt;
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unsigned int width,height;
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unsigned int width, height;
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struct videobuf_queue vb_vidq;
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enum v4l2_buf_type type;
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@ -206,109 +203,113 @@ enum colors {
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GREEN,
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MAGENTA,
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RED,
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BLUE
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BLUE,
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BLACK,
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};
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static u8 bars[8][3] = {
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/* R G B */
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{204,204,204}, /* white */
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{208,208, 0}, /* ambar */
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{ 0,206,206}, /* cyan */
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{ 0,239, 0}, /* green */
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{239, 0,239}, /* magenta */
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{205, 0, 0}, /* red */
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{ 0, 0,255}, /* blue */
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{ 0, 0, 0}
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{204, 204, 204}, /* white */
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{208, 208, 0}, /* ambar */
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{ 0, 206, 206}, /* cyan */
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{ 0, 239, 0}, /* green */
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{239, 0, 239}, /* magenta */
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{205, 0, 0}, /* red */
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{ 0, 0, 255}, /* blue */
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{ 0, 0, 0}, /* black */
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};
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#define TO_Y(r,g,b) (((16829*r +33039*g +6416*b + 32768)>>16)+16)
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#define TO_Y(r, g, b) \
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(((16829 * r + 33039 * g + 6416 * b + 32768) >> 16) + 16)
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/* RGB to V(Cr) Color transform */
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#define TO_V(r,g,b) (((28784*r -24103*g -4681*b + 32768)>>16)+128)
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#define TO_V(r, g, b) \
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(((28784 * r - 24103 * g - 4681 * b + 32768) >> 16) + 128)
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/* RGB to U(Cb) Color transform */
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#define TO_U(r,g,b) (((-9714*r -19070*g +28784*b + 32768)>>16)+128)
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#define TO_U(r, g, b) \
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(((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
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#define TSTAMP_MIN_Y 24
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#define TSTAMP_MAX_Y TSTAMP_MIN_Y+15
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#define TSTAMP_MIN_X 64
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static void gen_line(char *basep,int inipos,int wmax,
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int hmax, int line, int count, char *timestr)
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static void gen_line(char *basep, int inipos, int wmax,
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int hmax, int line, int count, char *timestr)
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{
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int w,i,j,pos=inipos,y;
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char *p,*s;
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u8 chr,r,g,b,color;
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int w, i, j, y;
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int pos = inipos;
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char *p, *s;
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u8 chr, r, g, b, color;
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/* We will just duplicate the second pixel at the packet */
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wmax/=2;
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wmax /= 2;
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/* Generate a standard color bar pattern */
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for (w=0;w<wmax;w++) {
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int colorpos=((w+count)*8/(wmax+1)) % 8;
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r=bars[colorpos][0];
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g=bars[colorpos][1];
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b=bars[colorpos][2];
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for (w = 0; w < wmax; w++) {
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int colorpos = ((w + count) * 8/(wmax + 1)) % 8;
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r = bars[colorpos][0];
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g = bars[colorpos][1];
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b = bars[colorpos][2];
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for (color=0;color<4;color++) {
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p=basep+pos;
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for (color = 0; color < 4; color++) {
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p = basep + pos;
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switch (color) {
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case 0:
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case 2:
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*p=TO_Y(r,g,b); /* Luminance */
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break;
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case 1:
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*p=TO_U(r,g,b); /* Cb */
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break;
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case 3:
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*p=TO_V(r,g,b); /* Cr */
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break;
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case 0:
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case 2:
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*p = TO_Y(r, g, b); /* Luma */
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break;
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case 1:
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*p = TO_U(r, g, b); /* Cb */
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break;
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case 3:
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*p = TO_V(r, g, b); /* Cr */
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break;
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}
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pos++;
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}
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}
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/* Checks if it is possible to show timestamp */
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if (TSTAMP_MAX_Y>=hmax)
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if (TSTAMP_MAX_Y >= hmax)
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goto end;
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if (TSTAMP_MIN_X+strlen(timestr)>=wmax)
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if (TSTAMP_MIN_X + strlen(timestr) >= wmax)
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goto end;
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/* Print stream time */
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if (line>=TSTAMP_MIN_Y && line<=TSTAMP_MAX_Y) {
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j=TSTAMP_MIN_X;
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for (s=timestr;*s;s++) {
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chr=rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y];
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for (i=0;i<7;i++) {
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if (chr&1<<(7-i)) { /* Font color*/
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r=bars[BLUE][0];
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g=bars[BLUE][1];
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b=bars[BLUE][2];
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r=g=b=0;
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g=198;
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} else { /* Background color */
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r=bars[WHITE][0];
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g=bars[WHITE][1];
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b=bars[WHITE][2];
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r=g=b=0;
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if (line >= TSTAMP_MIN_Y && line <= TSTAMP_MAX_Y) {
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j = TSTAMP_MIN_X;
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for (s = timestr; *s; s++) {
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chr = rom8x16_bits[(*s-0x30)*16+line-TSTAMP_MIN_Y];
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for (i = 0; i < 7; i++) {
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if (chr & 1 << (7 - i)) {
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/* Font color*/
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r = 0;
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g = 198;
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b = 0;
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} else {
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/* Background color */
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r = bars[BLACK][0];
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g = bars[BLACK][1];
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b = bars[BLACK][2];
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}
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pos=inipos+j*2;
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for (color=0;color<4;color++) {
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p=basep+pos;
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pos = inipos + j * 2;
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for (color = 0; color < 4; color++) {
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p = basep + pos;
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y=TO_Y(r,g,b);
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y = TO_Y(r, g, b);
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switch (color) {
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case 0:
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case 2:
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*p=TO_Y(r,g,b); /* Luminance */
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break;
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case 1:
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*p=TO_U(r,g,b); /* Cb */
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break;
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case 3:
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*p=TO_V(r,g,b); /* Cr */
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break;
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case 0:
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case 2:
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*p = TO_Y(r, g, b); /* Luma */
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break;
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case 1:
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*p = TO_U(r, g, b); /* Cb */
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break;
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case 3:
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*p = TO_V(r, g, b); /* Cr */
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break;
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}
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pos++;
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}
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@ -317,28 +318,27 @@ static void gen_line(char *basep,int inipos,int wmax,
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}
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}
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end:
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return;
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}
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static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf)
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static void vivi_fillbuff(struct vivi_dev *dev, struct vivi_buffer *buf)
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{
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int h,pos=0;
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int h , pos = 0;
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int hmax = buf->vb.height;
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int wmax = buf->vb.width;
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struct timeval ts;
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char *tmpbuf = kmalloc(wmax*2,GFP_KERNEL);
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void *vbuf=videobuf_to_vmalloc (&buf->vb);
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char *tmpbuf = kmalloc(wmax * 2, GFP_KERNEL);
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void *vbuf = videobuf_to_vmalloc(&buf->vb);
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if (!tmpbuf)
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return;
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for (h=0;h<hmax;h++) {
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for (h = 0; h < hmax; h++) {
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gen_line(tmpbuf, 0, wmax, hmax, h, dev->mv_count,
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dev->timestr);
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/* FIXME: replacing to __copy_to_user */
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if (copy_to_user(vbuf+pos,tmpbuf,wmax*2)!=0)
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dprintk(2,"vivifill copy_to_user failed.\n");
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if (copy_to_user(vbuf + pos, tmpbuf, wmax * 2) != 0)
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dprintk(2, "vivifill copy_to_user failed.\n");
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pos += wmax*2;
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}
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@ -348,27 +348,27 @@ static void vivi_fillbuff(struct vivi_dev *dev,struct vivi_buffer *buf)
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/* Updates stream time */
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dev->us+=jiffies_to_usecs(jiffies-dev->jiffies);
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dev->jiffies=jiffies;
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if (dev->us>=1000000) {
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dev->us-=1000000;
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dev->us += jiffies_to_usecs(jiffies-dev->jiffies);
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dev->jiffies = jiffies;
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if (dev->us >= 1000000) {
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dev->us -= 1000000;
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dev->s++;
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if (dev->s>=60) {
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dev->s-=60;
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if (dev->s >= 60) {
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dev->s -= 60;
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dev->m++;
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if (dev->m>60) {
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dev->m-=60;
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if (dev->m > 60) {
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dev->m -= 60;
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dev->h++;
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if (dev->h>24)
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dev->h-=24;
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if (dev->h > 24)
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dev->h -= 24;
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}
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}
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}
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sprintf(dev->timestr,"%02d:%02d:%02d:%03d",
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dev->h,dev->m,dev->s,(dev->us+500)/1000);
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sprintf(dev->timestr, "%02d:%02d:%02d:%03d",
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dev->h, dev->m, dev->s, (dev->us + 500) / 1000);
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dprintk(2,"vivifill at %s: Buffer 0x%08lx size= %d\n",dev->timestr,
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(unsigned long)tmpbuf,pos);
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dprintk(2, "vivifill at %s: Buffer 0x%08lx size= %d\n", dev->timestr,
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(unsigned long)tmpbuf, pos);
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/* Advice that buffer was filled */
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buf->vb.state = VIDEOBUF_DONE;
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@ -385,14 +385,14 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q);
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static void vivi_thread_tick(struct vivi_dmaqueue *dma_q)
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{
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struct vivi_buffer *buf;
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struct vivi_dev *dev= container_of(dma_q,struct vivi_dev,vidq);
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struct vivi_dev *dev = container_of(dma_q, struct vivi_dev, vidq);
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int bc;
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/* Announces videobuf that all went ok */
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for (bc = 0;; bc++) {
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if (list_empty(&dma_q->active)) {
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dprintk(1,"No active queue to serve\n");
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dprintk(1, "No active queue to serve\n");
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break;
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}
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@ -406,19 +406,20 @@ static void vivi_thread_tick(struct vivi_dmaqueue *dma_q)
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}
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do_gettimeofday(&buf->vb.ts);
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dprintk(2,"[%p/%d] wakeup\n",buf,buf->vb.i);
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dprintk(2, "[%p/%d] wakeup\n", buf, buf->vb. i);
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/* Fill buffer */
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vivi_fillbuff(dev,buf);
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vivi_fillbuff(dev, buf);
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|
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if (list_empty(&dma_q->active)) {
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del_timer(&dma_q->timeout);
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} else {
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mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
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mod_timer(&dma_q->timeout, jiffies + BUFFER_TIMEOUT);
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}
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}
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if (bc != 1)
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dprintk(1,"%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc);
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dprintk(1, "%s: %d buffers handled (should be 1)\n",
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__FUNCTION__, bc);
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}
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static void vivi_sleep(struct vivi_dmaqueue *dma_q)
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@ -426,30 +427,38 @@ static void vivi_sleep(struct vivi_dmaqueue *dma_q)
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int timeout;
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DECLARE_WAITQUEUE(wait, current);
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dprintk(1,"%s dma_q=0x%08lx\n",__FUNCTION__,(unsigned long)dma_q);
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dprintk(1, "%s dma_q=0x%08lx\n", __FUNCTION__, (unsigned long)dma_q);
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add_wait_queue(&dma_q->wq, &wait);
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if (!kthread_should_stop()) {
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dma_q->frame++;
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|
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/* Calculate time to wake up */
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timeout=dma_q->ini_jiffies+msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR*1000)/WAKE_DENOMINATOR)-jiffies;
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timeout = dma_q->ini_jiffies+
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msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR * 1000)
|
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/ WAKE_DENOMINATOR) - jiffies;
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|
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if (timeout <= 0) {
|
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int old=dma_q->frame;
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dma_q->frame=(jiffies_to_msecs(jiffies-dma_q->ini_jiffies)*WAKE_DENOMINATOR)/(WAKE_NUMERATOR*1000)+1;
|
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int old = dma_q->frame;
|
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dma_q->frame = (jiffies_to_msecs(jiffies -
|
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dma_q->ini_jiffies) *
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WAKE_DENOMINATOR) /
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(WAKE_NUMERATOR * 1000) + 1;
|
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|
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timeout=dma_q->ini_jiffies+msecs_to_jiffies((dma_q->frame*WAKE_NUMERATOR*1000)/WAKE_DENOMINATOR)-jiffies;
|
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timeout = dma_q->ini_jiffies+
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msecs_to_jiffies((dma_q->frame *
|
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WAKE_NUMERATOR * 1000)
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/ WAKE_DENOMINATOR) - jiffies;
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dprintk(1,"underrun, losed %d frames. "
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"Now, frame is %d. Waking on %d jiffies\n",
|
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dma_q->frame-old,dma_q->frame,timeout);
|
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dprintk(1, "underrun, losed %d frames. "
|
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"Now, frame is %d. Waking on %d jiffies\n",
|
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dma_q->frame-old, dma_q->frame, timeout);
|
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} else
|
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dprintk(1,"will sleep for %i jiffies\n",timeout);
|
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dprintk(1, "will sleep for %i jiffies\n", timeout);
|
||||
|
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vivi_thread_tick(dma_q);
|
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|
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schedule_timeout_interruptible (timeout);
|
||||
schedule_timeout_interruptible(timeout);
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
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);
|
||||
set_freezable();
|
||||
|
|
@ -477,10 +486,10 @@ static int vivi_thread(void *data)
|
|||
|
||||
static int vivi_start_thread(struct vivi_dmaqueue *dma_q)
|
||||
{
|
||||
dma_q->frame=0;
|
||||
dma_q->ini_jiffies=jiffies;
|
||||
dma_q->frame = 0;
|
||||
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");
|
||||
|
||||
|
|
@ -491,17 +500,17 @@ static int vivi_start_thread(struct vivi_dmaqueue *dma_q)
|
|||
/* Wakes thread */
|
||||
wake_up_interruptible(&dma_q->wq);
|
||||
|
||||
dprintk(1,"returning from %s\n",__FUNCTION__);
|
||||
dprintk(1, "returning from %s\n", __FUNCTION__);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void vivi_stop_thread(struct vivi_dmaqueue *dma_q)
|
||||
{
|
||||
dprintk(1,"%s\n",__FUNCTION__);
|
||||
dprintk(1, "%s\n", __FUNCTION__);
|
||||
/* shutdown control thread */
|
||||
if (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;
|
||||
|
||||
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)) {
|
||||
buf = list_entry(dma_q->active.next, struct vivi_buffer, vb.queue);
|
||||
dprintk(2,"restart_queue [%p/%d]: restart dma\n",
|
||||
buf = list_entry(dma_q->active.next,
|
||||
struct vivi_buffer, vb.queue);
|
||||
dprintk(2, "restart_queue [%p/%d]: restart dma\n",
|
||||
buf, buf->vb.i);
|
||||
|
||||
dprintk(1,"Restarting video dma\n");
|
||||
dprintk(1, "Restarting video dma\n");
|
||||
vivi_stop_thread(dma_q);
|
||||
// vivi_start_thread(dma_q);
|
||||
|
||||
/* cancel all outstanding capture / vbi requests */
|
||||
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 (;;) {
|
||||
if (list_empty(&dma_q->queued))
|
||||
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) {
|
||||
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_start_thread(dma_q);
|
||||
|
||||
buf->vb.state = VIDEOBUF_ACTIVE;
|
||||
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
|
||||
dprintk(2,"[%p/%d] restart_queue - first active\n",
|
||||
buf,buf->vb.i);
|
||||
dprintk(2, "[%p/%d] restart_queue - first active\n",
|
||||
buf, buf->vb.i);
|
||||
|
||||
} else if (prev->vb.width == buf->vb.width &&
|
||||
prev->vb.height == buf->vb.height &&
|
||||
prev->fmt == buf->fmt) {
|
||||
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;
|
||||
dprintk(2,"[%p/%d] restart_queue - move to active\n",
|
||||
buf,buf->vb.i);
|
||||
dprintk(2, "[%p/%d] restart_queue - move to active\n",
|
||||
buf, buf->vb.i);
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -566,16 +576,17 @@ static int restart_video_queue(struct vivi_dmaqueue *dma_q)
|
|||
|
||||
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_buffer *buf;
|
||||
|
||||
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);
|
||||
buf->vb.state = VIDEOBUF_ERROR;
|
||||
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);
|
||||
|
|
@ -597,19 +608,19 @@ buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
|
|||
while (*size * *count > vid_limit * 1024 * 1024)
|
||||
(*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;
|
||||
}
|
||||
|
||||
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())
|
||||
BUG();
|
||||
|
||||
videobuf_waiton(&buf->vb,0,0);
|
||||
videobuf_waiton(&buf->vb, 0, 0);
|
||||
videobuf_vmalloc_free(&buf->vb);
|
||||
buf->vb.state = VIDEOBUF_NEEDS_INIT;
|
||||
}
|
||||
|
|
@ -621,10 +632,10 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
|
|||
enum v4l2_field field)
|
||||
{
|
||||
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;
|
||||
|
||||
dprintk(1,"%s, field=%d\n",__FUNCTION__,field);
|
||||
dprintk(1, "%s, field=%d\n", __FUNCTION__, field);
|
||||
|
||||
BUG_ON(NULL == fh->fmt);
|
||||
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 (0 != (rc = videobuf_iolock(vq,&buf->vb,NULL)))
|
||||
rc = videobuf_iolock(vq, &buf->vb, NULL);
|
||||
if (rc < 0)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
|
|
@ -655,65 +667,68 @@ buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
|
|||
return 0;
|
||||
|
||||
fail:
|
||||
free_buffer(vq,buf);
|
||||
free_buffer(vq, buf);
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void
|
||||
buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
|
||||
{
|
||||
struct vivi_buffer *buf = container_of(vb,struct vivi_buffer,vb);
|
||||
struct vivi_fh *fh = vq->priv_data;
|
||||
struct vivi_dev *dev = fh->dev;
|
||||
struct vivi_dmaqueue *vidq = &dev->vidq;
|
||||
struct vivi_buffer *buf = container_of(vb, struct vivi_buffer, vb);
|
||||
struct vivi_fh *fh = vq->priv_data;
|
||||
struct vivi_dev *dev = fh->dev;
|
||||
struct vivi_dmaqueue *vidq = &dev->vidq;
|
||||
struct vivi_buffer *prev;
|
||||
|
||||
if (!list_empty(&vidq->queued)) {
|
||||
dprintk(1,"adding vb queue=0x%08lx\n",(unsigned long)&buf->vb.queue);
|
||||
list_add_tail(&buf->vb.queue,&vidq->queued);
|
||||
dprintk(1, "adding vb queue=0x%08lx\n",
|
||||
(unsigned long)&buf->vb.queue);
|
||||
list_add_tail(&buf->vb.queue, &vidq->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);
|
||||
} 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;
|
||||
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);
|
||||
|
||||
vivi_start_thread(vidq);
|
||||
} 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 &&
|
||||
prev->vb.height == buf->vb.height &&
|
||||
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;
|
||||
dprintk(2,"[%p/%d] buffer_queue - append to active\n",
|
||||
dprintk(2, "[%p/%d] buffer_queue - append to active\n",
|
||||
buf, buf->vb.i);
|
||||
|
||||
} else {
|
||||
list_add_tail(&buf->vb.queue,&vidq->queued);
|
||||
list_add_tail(&buf->vb.queue, &vidq->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);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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_dev *dev = (struct vivi_dev*)fh->dev;
|
||||
struct vivi_dev *dev = (struct vivi_dev *)fh->dev;
|
||||
struct vivi_dmaqueue *vidq = &dev->vidq;
|
||||
|
||||
dprintk(1,"%s\n",__FUNCTION__);
|
||||
dprintk(1, "%s\n", __FUNCTION__);
|
||||
|
||||
vivi_stop_thread(vidq);
|
||||
|
||||
free_buffer(vq,buf);
|
||||
free_buffer(vq, buf);
|
||||
}
|
||||
|
||||
static struct videobuf_queue_ops vivi_video_qops = {
|
||||
|
|
@ -726,7 +741,7 @@ static struct videobuf_queue_ops vivi_video_qops = {
|
|||
/* ------------------------------------------------------------------
|
||||
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)
|
||||
{
|
||||
strcpy(cap->driver, "vivi");
|
||||
|
|
@ -738,21 +753,21 @@ static int vidioc_querycap (struct file *file, void *priv,
|
|||
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)
|
||||
{
|
||||
if (f->index > 0)
|
||||
return -EINVAL;
|
||||
|
||||
strlcpy(f->description,format.name,sizeof(f->description));
|
||||
strlcpy(f->description, format.name, sizeof(f->description));
|
||||
f->pixelformat = format.fourcc;
|
||||
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 vivi_fh *fh=priv;
|
||||
struct vivi_fh *fh = priv;
|
||||
|
||||
f->fmt.pix.width = fh->width;
|
||||
f->fmt.pix.height = fh->height;
|
||||
|
|
@ -766,7 +781,7 @@ static int vidioc_g_fmt_cap (struct file *file, void *priv,
|
|||
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 vivi_fmt *fmt;
|
||||
|
|
@ -774,18 +789,18 @@ static int vidioc_try_fmt_cap (struct file *file, void *priv,
|
|||
unsigned int maxw, maxh;
|
||||
|
||||
if (format.fourcc != f->fmt.pix.pixelformat) {
|
||||
dprintk(1,"Fourcc format (0x%08x) invalid. Driver accepts "
|
||||
"only 0x%08x\n",f->fmt.pix.pixelformat,format.fourcc);
|
||||
dprintk(1, "Fourcc format (0x%08x) invalid. Driver accepts "
|
||||
"only 0x%08x\n", f->fmt.pix.pixelformat, format.fourcc);
|
||||
return -EINVAL;
|
||||
}
|
||||
fmt=&format;
|
||||
fmt = &format;
|
||||
|
||||
field = f->fmt.pix.field;
|
||||
|
||||
if (field == V4L2_FIELD_ANY) {
|
||||
field=V4L2_FIELD_INTERLACED;
|
||||
field = V4L2_FIELD_INTERLACED;
|
||||
} else if (V4L2_FIELD_INTERLACED != field) {
|
||||
dprintk(1,"Field type invalid.\n");
|
||||
dprintk(1, "Field type invalid.\n");
|
||||
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 */
|
||||
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 vivi_fh *fh=priv;
|
||||
int ret = vidioc_try_fmt_cap(file,fh,f);
|
||||
struct vivi_fh *fh = priv;
|
||||
int ret = vidioc_try_fmt_cap(file, fh, f);
|
||||
if (ret < 0)
|
||||
return (ret);
|
||||
|
||||
|
|
@ -828,47 +843,48 @@ static int vidioc_s_fmt_cap (struct file *file, void *priv,
|
|||
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));
|
||||
}
|
||||
|
||||
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));
|
||||
}
|
||||
|
||||
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));
|
||||
}
|
||||
|
||||
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,
|
||||
file->f_flags & O_NONBLOCK));
|
||||
}
|
||||
|
||||
#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
|
||||
|
||||
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)
|
||||
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)
|
||||
{
|
||||
struct vivi_fh *fh=priv;
|
||||
struct vivi_fh *fh = priv;
|
||||
|
||||
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
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);
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
/* 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)
|
||||
{
|
||||
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->std = V4L2_STD_NTSC_M;
|
||||
strcpy(inp->name,"Camera");
|
||||
strcpy(inp->name, "Camera");
|
||||
|
||||
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;
|
||||
|
||||
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)
|
||||
return -EINVAL;
|
||||
|
|
@ -924,8 +940,8 @@ static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
|
|||
}
|
||||
|
||||
/* --- controls ---------------------------------------------- */
|
||||
static int vidioc_queryctrl (struct file *file, void *priv,
|
||||
struct v4l2_queryctrl *qc)
|
||||
static int vidioc_queryctrl(struct file *file, void *priv,
|
||||
struct v4l2_queryctrl *qc)
|
||||
{
|
||||
int i;
|
||||
|
||||
|
|
@ -939,33 +955,31 @@ static int vidioc_queryctrl (struct file *file, void *priv,
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int vidioc_g_ctrl (struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
static int vidioc_g_ctrl(struct file *file, void *priv,
|
||||
struct v4l2_control *ctrl)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
||||
if (ctrl->id == vivi_qctrl[i].id) {
|
||||
ctrl->value=qctl_regs[i];
|
||||
ctrl->value = qctl_regs[i];
|
||||
return (0);
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
||||
if (ctrl->id == vivi_qctrl[i].id) {
|
||||
if (ctrl->value <
|
||||
vivi_qctrl[i].minimum
|
||||
|| ctrl->value >
|
||||
vivi_qctrl[i].maximum) {
|
||||
if (ctrl->value < vivi_qctrl[i].minimum
|
||||
|| ctrl->value > vivi_qctrl[i].maximum) {
|
||||
return (-ERANGE);
|
||||
}
|
||||
qctl_regs[i]=ctrl->value;
|
||||
qctl_regs[i] = ctrl->value;
|
||||
return (0);
|
||||
}
|
||||
return -EINVAL;
|
||||
|
|
@ -984,16 +998,14 @@ static int vivi_open(struct inode *inode, struct file *file)
|
|||
struct vivi_fh *fh;
|
||||
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)
|
||||
if (dev->vfd->minor == minor)
|
||||
goto found;
|
||||
return -ENODEV;
|
||||
|
||||
found:
|
||||
|
||||
|
||||
|
||||
/* If more than one user, mutex should be added */
|
||||
dev->users++;
|
||||
|
||||
|
|
@ -1001,7 +1013,7 @@ found:
|
|||
v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users);
|
||||
|
||||
/* allocate + initialize per filehandle data */
|
||||
fh = kzalloc(sizeof(*fh),GFP_KERNEL);
|
||||
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
|
||||
if (NULL == fh) {
|
||||
dev->users--;
|
||||
return -ENOMEM;
|
||||
|
|
@ -1017,27 +1029,21 @@ found:
|
|||
|
||||
/* Put all controls at a sane state */
|
||||
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
|
||||
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));
|
||||
qctl_regs[i] = vivi_qctrl[i].default_value;
|
||||
|
||||
/* Resets frame counters */
|
||||
dev->h=0;
|
||||
dev->m=0;
|
||||
dev->s=0;
|
||||
dev->us=0;
|
||||
dev->jiffies=jiffies;
|
||||
sprintf(dev->timestr,"%02d:%02d:%02d:%03d",
|
||||
dev->h,dev->m,dev->s,(dev->us+500)/1000);
|
||||
dev->h = 0;
|
||||
dev->m = 0;
|
||||
dev->s = 0;
|
||||
dev->us = 0;
|
||||
dev->mv_count = 0;
|
||||
dev->jiffies = jiffies;
|
||||
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,
|
||||
NULL, NULL,
|
||||
fh->type,
|
||||
V4L2_FIELD_INTERLACED,
|
||||
sizeof(struct vivi_buffer),fh);
|
||||
NULL, NULL, fh->type, V4L2_FIELD_INTERLACED,
|
||||
sizeof(struct vivi_buffer), fh);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1045,9 +1051,9 @@ found:
|
|||
static ssize_t
|
||||
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,
|
||||
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 videobuf_queue *q = &fh->vb_vidq;
|
||||
|
||||
dprintk(1,"%s\n",__FUNCTION__);
|
||||
dprintk(1, "%s\n", __FUNCTION__);
|
||||
|
||||
if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
|
||||
return POLLERR;
|
||||
|
|
@ -1084,7 +1090,7 @@ static int vivi_close(struct inode *inode, struct file *file)
|
|||
|
||||
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;
|
||||
}
|
||||
|
|
@ -1110,17 +1116,16 @@ static int vivi_release(void)
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
vivi_mmap(struct file *file, struct vm_area_struct * vma)
|
||||
static int 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;
|
||||
|
||||
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_end-(unsigned long)vma->vm_start,
|
||||
ret);
|
||||
|
|
|
|||
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