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Commit e68703cf authored by Mike Thomas's avatar Mike Thomas Committed by Greg Kroah-Hartman
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staging/easycap: Make code re-entrant 

In order to allow multiple EasyCAP dongles to operate simultaneously
without mutual interference all static variables have been eliminated
except for a persistent inventory of plugged-in dongles at module level.
Signed-off-by: default avatarMike Thomas <rmthomas@sciolus.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ce36ceda
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Showing with 1361 additions and 1176 deletions
drivers/staging/easycap/easycap.h
View file @ e68703cf
......@@ -121,7 +121,7 @@
#define EASYCAP_DRIVER_DESCRIPTION "easycapdc60"
#define USB_SKEL_MINOR_BASE 192
#define VIDEO_DEVICE_MANY 8
#define DONGLE_MANY 8
/*---------------------------------------------------------------------------*/
/*
......@@ -264,6 +264,17 @@ struct v4l2_format v4l2_format;
*/
/*---------------------------------------------------------------------------*/
struct easycap {
int isdongle;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
struct video_device video_device;
#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H)
struct v4l2_device v4l2_device;
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
unsigned int audio_pages_per_fragment;
unsigned int audio_bytes_per_fragment;
unsigned int audio_buffer_page_many;
......@@ -276,12 +287,6 @@ __s16 oldaudio;
int ilk;
bool microphone;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
struct video_device *pvideo_device;
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
struct usb_device *pusb_device;
struct usb_interface *pusb_interface;
......@@ -306,7 +311,10 @@ int merit[180];
struct timeval timeval0;
struct timeval timeval1;
struct timeval timeval2;
struct timeval timeval3;
struct timeval timeval6;
struct timeval timeval7;
struct timeval timeval8;
long long int dnbydt;
int video_interface;
......@@ -332,6 +340,13 @@ struct data_buffer \
struct list_head urb_video_head;
struct list_head *purb_video_head;
__u8 cache[8];
__u8 *pcache;
int video_mt;
int audio_mt;
long long audio_bytes;
__u32 isequence;
int vma_many;
/*---------------------------------------------------------------------------*/
......@@ -530,6 +545,7 @@ int set2to93(struct usb_device *);
int regset(struct usb_device *, __u16, __u16);
int regget(struct usb_device *, __u16, void *);
int isdongle(struct easycap *);
/*---------------------------------------------------------------------------*/
struct signed_div_result {
long long int quotient;
......@@ -557,20 +573,39 @@ unsigned long long int remainder;
} \
} while (0)
/*---------------------------------------------------------------------------*/
/*
* MACROS SAM(...) AND JOM(...) ALLOW DIAGNOSTIC OUTPUT TO BE TAGGED WITH
* THE IDENTITY OF THE DONGLE TO WHICH IT APPLIES, BUT IF INVOKED WHEN THE
* POINTER peasycap IS INVALID AN Oops IS LIKELY, AND ITS CAUSE MAY NOT BE
* IMMEDIATELY OBVIOUS FROM A CASUAL READING OF THE SOURCE CODE. BEWARE.
*/
/*---------------------------------------------------------------------------*/
#define SAY(format, args...) do { \
printk(KERN_DEBUG "easycap: %s: " format, __func__, ##args); \
printk(KERN_DEBUG "easycap:: %s: " \
format, __func__, ##args); \
} while (0)
#define SAM(format, args...) do { \
printk(KERN_DEBUG "easycap::%i%s: " \
format, peasycap->isdongle, __func__, ##args);\
} while (0)
#if defined(EASYCAP_DEBUG)
#define JOT(n, format, args...) do { \
if (n <= debug) { \
printk(KERN_DEBUG "easycap: %s: " format, __func__, ##args); \
printk(KERN_DEBUG "easycap:: %s: " \
format, __func__, ##args);\
} \
} while (0)
#define JOM(n, format, args...) do { \
if (n <= debug) { \
printk(KERN_DEBUG "easycap::%i%s: " \
format, peasycap->isdongle, __func__, ##args);\
} \
} while (0)
#else
#define JOT(n, format, args...) do {} while (0)
#define JOM(n, format, args...) do {} while (0)
#endif /*EASYCAP_DEBUG*/
#define MICROSECONDS(X, Y) \
......
drivers/staging/easycap/easycap_debug.h
View file @ e68703cf
/*****************************************************************************
* *
* debug.h *
* easycap_debug.h *
* *
*****************************************************************************/
/*
......
drivers/staging/easycap/easycap_ioctl.c
View file @ e68703cf
......@@ -48,8 +48,12 @@ __u16 reg, set;
int ir, rc, need;
unsigned int itwas, isnow;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
peasycap_standard = &easycap_standard[0];
......@@ -59,25 +63,25 @@ while (0xFFFF != peasycap_standard->mask) {
peasycap_standard++;
}
if (0xFFFF == peasycap_standard->mask) {
SAY("ERROR: 0x%08X=std_id: standard not found\n", \
SAM("ERROR: 0x%08X=std_id: standard not found\n", \
(unsigned int)std_id);
return -EINVAL;
}
SAY("user requests standard: %s\n", \
SAM("user requests standard: %s\n", \
&(peasycap_standard->v4l2_standard.name[0]));
if (peasycap->standard_offset == \
(int)(peasycap_standard - &easycap_standard[0])) {
SAY("requested standard already in effect\n");
SAM("requested standard already in effect\n");
return 0;
}
peasycap->standard_offset = (int)(peasycap_standard - &easycap_standard[0]);
peasycap->fps = peasycap_standard->v4l2_standard.frameperiod.denominator / \
peasycap_standard->v4l2_standard.frameperiod.numerator;
if (!peasycap->fps) {
SAY("MISTAKE: frames-per-second is zero\n");
SAM("MISTAKE: frames-per-second is zero\n");
return -EFAULT;
}
JOT(8, "%i frames-per-second\n", peasycap->fps);
JOM(8, "%i frames-per-second\n", peasycap->fps);
peasycap->usec = 1000000 / (2 * peasycap->fps);
peasycap->tolerate = 1000 * (25 / peasycap->fps);
......@@ -94,7 +98,7 @@ case NTSC_M_JP: {
reg = 0x0A; set = 0x95;
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: cannot read SAA register 0x%02X\n", reg);
SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
else
itwas = (unsigned int)ir;
......@@ -104,15 +108,15 @@ case NTSC_M_JP: {
rc = write_saa(peasycap->pusb_device, reg, set);
if (0 != rc)
SAY("ERROR: failed to set SAA register " \
SAM("ERROR: failed to set SAA register " \
"0x%02X to 0x%02X for JP standard\n", reg, set);
else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
set2to78(peasycap->pusb_device);
......@@ -122,7 +126,7 @@ case NTSC_M_JP: {
reg = 0x0B; set = 0x48;
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: cannot read SAA register 0x%02X\n", reg);
SAM("ERROR: cannot read SAA register 0x%02X\n", reg);
else
itwas = (unsigned int)ir;
......@@ -130,15 +134,15 @@ case NTSC_M_JP: {
rc = write_saa(peasycap->pusb_device, reg, set);
if (0 != rc)
SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X " \
SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X " \
"for JP standard\n", reg, set);
else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
set2to78(peasycap->pusb_device);
......@@ -176,7 +180,7 @@ case SECAM: {
if (need) {
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: failed to read SAA register 0x%02X\n", reg);
SAM("ERROR: failed to read SAA register 0x%02X\n", reg);
else
itwas = (unsigned int)ir;
......@@ -184,15 +188,15 @@ if (need) {
rc = write_saa(peasycap->pusb_device, reg, set);
if (0 != write_saa(peasycap->pusb_device, reg, set)) {
SAY("ERROR: failed to set SAA register " \
SAM("ERROR: failed to set SAA register " \
"0x%02X to 0x%02X for table 42\n", reg, set);
} else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
}
}
......@@ -204,7 +208,7 @@ if (need) {
reg = 0x08;
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: failed to read SAA register 0x%02X " \
SAM("ERROR: failed to read SAA register 0x%02X " \
"so cannot reset\n", reg);
else {
itwas = (unsigned int)ir;
......@@ -217,13 +221,13 @@ set2to78(peasycap->pusb_device);
rc = write_saa(peasycap->pusb_device, reg, set);
if (0 != rc)
SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
JOM(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
}
}
......@@ -235,7 +239,7 @@ else {
reg = 0x40;
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: failed to read SAA register 0x%02X " \
SAM("ERROR: failed to read SAA register 0x%02X " \
"so cannot reset\n", reg);
else {
itwas = (unsigned int)ir;
......@@ -248,13 +252,13 @@ set2to78(peasycap->pusb_device);
rc = write_saa(peasycap->pusb_device, reg, set);
if (0 != rc)
SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", reg, set);
else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
JOM(8, "SAA register 0x%02X changed to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed " \
JOM(8, "SAA register 0x%02X changed " \
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
}
}
......@@ -266,7 +270,7 @@ else {
reg = 0x5A;
ir = read_saa(peasycap->pusb_device, reg);
if (0 > ir)
SAY("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
SAM("ERROR: failed to read SAA register 0x%02X but continuing\n", reg);
itwas = (unsigned int)ir;
if (peasycap_standard->mask & 0x0001)
set = 0x0A ;
......@@ -276,19 +280,19 @@ if (0 > ir)
set2to78(peasycap->pusb_device);
if (0 != write_saa(peasycap->pusb_device, reg, set))
SAY("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", \
SAM("ERROR: failed to set SAA register 0x%02X to 0x%02X\n", \
reg, set);
else {
isnow = (unsigned int)read_saa(peasycap->pusb_device, reg);
if (0 > ir)
JOT(8, "SAA register 0x%02X changed "
JOM(8, "SAA register 0x%02X changed "
"to 0x%02X\n", reg, isnow);
else
JOT(8, "SAA register 0x%02X changed "
JOM(8, "SAA register 0x%02X changed "
"from 0x%02X to 0x%02X\n", reg, itwas, isnow);
}
if (0 != check_saa(peasycap->pusb_device))
SAY("ERROR: check_saa() failed\n");
SAM("ERROR: check_saa() failed\n");
return 0;
}
/*****************************************************************************/
......@@ -325,28 +329,28 @@ int miss, multiplier, best;
char bf[5], *pc;
__u32 uc;
if ((struct easycap *)NULL == peasycap) {
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
p = peasycap->pusb_device;
if ((struct usb_device *)NULL == p) {
SAY("ERROR: peaycap->pusb_device is NULL\n");
SAM("ERROR: peaycap->pusb_device is NULL\n");
return -EFAULT;
}
pc = &bf[0];
uc = pixelformat; memcpy((void *)pc, (void *)(&uc), 4); bf[4] = 0;
mask = easycap_standard[peasycap->standard_offset].mask;
SAY("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n", \
SAM("sought: %ix%i,%s(0x%08X),%i=field,0x%02X=std mask\n", \
width, height, pc, pixelformat, field, mask);
if (V4L2_FIELD_ANY == field) {
field = V4L2_FIELD_INTERLACED;
SAY("prefer: V4L2_FIELD_INTERLACED=field, was V4L2_FIELD_ANY\n");
SAM("prefer: V4L2_FIELD_INTERLACED=field, was V4L2_FIELD_ANY\n");
}
peasycap_best_format = (struct easycap_format *)NULL;
peasycap_format = &easycap_format[0];
while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
JOT(16, ".> %i %i 0x%08X %ix%i\n", \
JOM(16, ".> %i %i 0x%08X %ix%i\n", \
peasycap_format->mask & 0x01,
peasycap_format->v4l2_format.fmt.pix.field,
peasycap_format->v4l2_format.fmt.pix.pixelformat,
......@@ -365,7 +369,7 @@ while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
peasycap_format++;
}
if (0 == peasycap_format->v4l2_format.fmt.pix.width) {
SAY("cannot do: %ix%i with standard mask 0x%02X\n", \
SAM("cannot do: %ix%i with standard mask 0x%02X\n", \
width, height, mask);
peasycap_format = &easycap_format[0]; best = -1;
while (0 != peasycap_format->v4l2_format.fmt.pix.width) {
......@@ -386,16 +390,16 @@ if (0 == peasycap_format->v4l2_format.fmt.pix.width) {
peasycap_format++;
}
if (-1 == best) {
SAY("cannot do %ix... with standard mask 0x%02X\n", \
SAM("cannot do %ix... with standard mask 0x%02X\n", \
width, mask);
SAY("cannot do ...x%i with standard mask 0x%02X\n", \
SAM("cannot do ...x%i with standard mask 0x%02X\n", \
height, mask);
SAY(" %ix%i unmatched\n", width, height);
SAM(" %ix%i unmatched\n", width, height);
return peasycap->format_offset;
}
}
if ((struct easycap_format *)NULL == peasycap_best_format) {
SAY("MISTAKE: peasycap_best_format is NULL");
SAM("MISTAKE: peasycap_best_format is NULL");
return -EINVAL;
}
peasycap_format = peasycap_best_format;
......@@ -406,10 +410,10 @@ if (true == try)
/*...........................................................................*/
if (false != try) {
SAY("MISTAKE: true==try where is should be false\n");
SAM("MISTAKE: true==try where is should be false\n");
return -EINVAL;
}
SAY("actioning: %ix%i %s\n", \
SAM("actioning: %ix%i %s\n", \
peasycap_format->v4l2_format.fmt.pix.width, \
peasycap_format->v4l2_format.fmt.pix.height,
&peasycap_format->name[0]);
......@@ -441,7 +445,7 @@ peasycap->frame_buffer_used = peasycap->bytesperpixel * \
peasycap->width * peasycap->height;
if (true == peasycap->offerfields) {
SAY("WARNING: %i=peasycap->field is untested: " \
SAM("WARNING: %i=peasycap->field is untested: " \
"please report problems\n", peasycap->field);
......@@ -474,13 +478,13 @@ if (0 == (0x01 & peasycap_format->mask)) {
(288 == \
peasycap_format->v4l2_format.fmt.pix.height))) {
if (0 != set_resolution(p, 0x0000, 0x0001, 0x05A0, 0x0121)) {
SAY("ERROR: set_resolution() failed\n");
SAM("ERROR: set_resolution() failed\n");
return -EINVAL;
}
} else if ((704 == peasycap_format->v4l2_format.fmt.pix.width) && \
(576 == peasycap_format->v4l2_format.fmt.pix.height)) {
if (0 != set_resolution(p, 0x0004, 0x0001, 0x0584, 0x0121)) {
SAY("ERROR: set_resolution() failed\n");
SAM("ERROR: set_resolution() failed\n");
return -EINVAL;
}
} else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) && \
......@@ -491,11 +495,11 @@ if (0 == (0x01 & peasycap_format->mask)) {
(240 == \
peasycap_format->v4l2_format.fmt.pix.height))) {
if (0 != set_resolution(p, 0x0014, 0x0020, 0x0514, 0x0110)) {
SAY("ERROR: set_resolution() failed\n");
SAM("ERROR: set_resolution() failed\n");
return -EINVAL;
}
} else {
SAY("MISTAKE: bad format, cannot set resolution\n");
SAM("MISTAKE: bad format, cannot set resolution\n");
return -EINVAL;
}
/*---------------------------------------------------------------------------*/
......@@ -512,7 +516,7 @@ if (0 == (0x01 & peasycap_format->mask)) {
(240 == \
peasycap_format->v4l2_format.fmt.pix.height))) {
if (0 != set_resolution(p, 0x0000, 0x0003, 0x05A0, 0x00F3)) {
SAY("ERROR: set_resolution() failed\n");
SAM("ERROR: set_resolution() failed\n");
return -EINVAL;
}
} else if (((640 == peasycap_format->v4l2_format.fmt.pix.width) && \
......@@ -523,11 +527,11 @@ if (0 == (0x01 & peasycap_format->mask)) {
(240 == \
peasycap_format->v4l2_format.fmt.pix.height))) {
if (0 != set_resolution(p, 0x0014, 0x0003, 0x0514, 0x00F3)) {
SAY("ERROR: set_resolution() failed\n");
SAM("ERROR: set_resolution() failed\n");
return -EINVAL;
}
} else {
SAY("MISTAKE: bad format, cannot set resolution\n");
SAM("MISTAKE: bad format, cannot set resolution\n");
return -EINVAL;
}
}
......@@ -543,8 +547,12 @@ int adjust_brightness(struct easycap *peasycap, int value)
unsigned int mood;
int i1;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -559,10 +567,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
set2to78(peasycap->pusb_device);
if (!write_saa(peasycap->pusb_device, 0x0A, mood)) {
SAY("adjusting brightness to 0x%02X\n", mood);
SAM("adjusting brightness to 0x%02X\n", mood);
return 0;
} else {
SAY("WARNING: failed to adjust brightness " \
SAM("WARNING: failed to adjust brightness " \
"to 0x%02X\n", mood);
return -ENOENT;
}
......@@ -573,7 +581,7 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust brightness: control not found\n");
SAM("WARNING: failed to adjust brightness: control not found\n");
return -ENOENT;
}
/*****************************************************************************/
......@@ -582,8 +590,12 @@ int adjust_contrast(struct easycap *peasycap, int value)
unsigned int mood;
int i1;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -598,10 +610,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
set2to78(peasycap->pusb_device);
if (!write_saa(peasycap->pusb_device, 0x0B, mood)) {
SAY("adjusting contrast to 0x%02X\n", mood);
SAM("adjusting contrast to 0x%02X\n", mood);
return 0;
} else {
SAY("WARNING: failed to adjust contrast to " \
SAM("WARNING: failed to adjust contrast to " \
"0x%02X\n", mood);
return -ENOENT;
}
......@@ -612,7 +624,7 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust contrast: control not found\n");
SAM("WARNING: failed to adjust contrast: control not found\n");
return -ENOENT;
}
/*****************************************************************************/
......@@ -621,8 +633,12 @@ int adjust_saturation(struct easycap *peasycap, int value)
unsigned int mood;
int i1;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -637,10 +653,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
set2to78(peasycap->pusb_device);
if (!write_saa(peasycap->pusb_device, 0x0C, mood)) {
SAY("adjusting saturation to 0x%02X\n", mood);
SAM("adjusting saturation to 0x%02X\n", mood);
return 0;
} else {
SAY("WARNING: failed to adjust saturation to " \
SAM("WARNING: failed to adjust saturation to " \
"0x%02X\n", mood);
return -ENOENT;
}
......@@ -651,7 +667,7 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust saturation: control not found\n");
SAM("WARNING: failed to adjust saturation: control not found\n");
return -ENOENT;
}
/*****************************************************************************/
......@@ -660,8 +676,12 @@ int adjust_hue(struct easycap *peasycap, int value)
unsigned int mood;
int i1, i2;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -677,10 +697,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
set2to78(peasycap->pusb_device);
if (!write_saa(peasycap->pusb_device, 0x0D, mood)) {
SAY("adjusting hue to 0x%02X\n", mood);
SAM("adjusting hue to 0x%02X\n", mood);
return 0;
} else {
SAY("WARNING: failed to adjust hue to 0x%02X\n", mood);
SAM("WARNING: failed to adjust hue to 0x%02X\n", mood);
return -ENOENT;
}
......@@ -690,7 +710,7 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust hue: control not found\n");
SAM("WARNING: failed to adjust hue: control not found\n");
return -ENOENT;
}
/*****************************************************************************/
......@@ -699,8 +719,12 @@ int adjust_volume(struct easycap *peasycap, int value)
__s8 mood;
int i1;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -714,10 +738,10 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
((31 < peasycap->volume) ? 31 : \
(__s8) peasycap->volume);
if (!audio_gainset(peasycap->pusb_device, mood)) {
SAY("adjusting volume to 0x%01X\n", mood);
SAM("adjusting volume to 0x%01X\n", mood);
return 0;
} else {
SAY("WARNING: failed to adjust volume to " \
SAM("WARNING: failed to adjust volume to " \
"0x%1X\n", mood);
return -ENOENT;
}
......@@ -725,7 +749,7 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust volume: control not found\n");
SAM("WARNING: failed to adjust volume: control not found\n");
return -ENOENT;
}
/*****************************************************************************/
......@@ -744,8 +768,12 @@ int adjust_mute(struct easycap *peasycap, int value)
{
int i1;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
i1 = 0;
......@@ -756,13 +784,13 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
case 1: {
peasycap->audio_idle = 1;
peasycap->timeval0.tv_sec = 0;
SAY("adjusting mute: %i=peasycap->audio_idle\n", \
SAM("adjusting mute: %i=peasycap->audio_idle\n", \
peasycap->audio_idle);
return 0;
}
default: {
peasycap->audio_idle = 0;
SAY("adjusting mute: %i=peasycap->audio_idle\n", \
SAM("adjusting mute: %i=peasycap->audio_idle\n", \
peasycap->audio_idle);
return 0;
}
......@@ -771,26 +799,28 @@ while (0xFFFFFFFF != easycap_control[i1].id) {
}
i1++;
}
SAY("WARNING: failed to adjust mute: control not found\n");
SAM("WARNING: failed to adjust mute: control not found\n");
return -ENOENT;
}
/*--------------------------------------------------------------------------*/
/*****************************************************************************/
static int easycap_ioctl_bkl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
static struct easycap *peasycap;
static struct usb_device *p;
static __u32 isequence;
if (NULL == file) {
SAY("ERROR: file is NULL\n");
return -ERESTARTSYS;
}
peasycap = file->private_data;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
SAY("ERROR: peasycap is NULL.\n");
return -1;
}
p = peasycap->pusb_device;
if ((struct usb_device *)NULL == p) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
if (NULL == p) {
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
......@@ -803,15 +833,15 @@ if ((struct usb_device *)NULL == p) {
/*---------------------------------------------------------------------------*/
switch (cmd) {
case VIDIOC_QUERYCAP: {
static struct v4l2_capability v4l2_capability;
static char version[16], *p1, *p2;
static int i, rc, k[3];
static long lng;
struct v4l2_capability v4l2_capability;
char version[16], *p1, *p2;
int i, rc, k[3];
long lng;
JOT(8, "VIDIOC_QUERYCAP\n");
JOM(8, "VIDIOC_QUERYCAP\n");
if (16 <= strlen(EASYCAP_DRIVER_VERSION)) {
SAY("ERROR: bad driver version string\n"); return -EINVAL;
SAM("ERROR: bad driver version string\n"); return -EINVAL;
}
strcpy(&version[0], EASYCAP_DRIVER_VERSION);
for (i = 0; i < 3; i++)
......@@ -826,7 +856,7 @@ case VIDIOC_QUERYCAP: {
if (3 > i) {
rc = (int) strict_strtol(p1, 10, &lng);
if (0 != rc) {
SAY("ERROR: %i=strict_strtol(%s,.,,)\n", \
SAM("ERROR: %i=strict_strtol(%s,.,,)\n", \
rc, p1);
return -EINVAL;
}
......@@ -844,7 +874,7 @@ case VIDIOC_QUERYCAP: {
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE;
v4l2_capability.version = KERNEL_VERSION(k[0], k[1], k[2]);
JOT(8, "v4l2_capability.version=(%i,%i,%i)\n", k[0], k[1], k[2]);
JOM(8, "v4l2_capability.version=(%i,%i,%i)\n", k[0], k[1], k[2]);
strlcpy(&v4l2_capability.card[0], "EasyCAP DC60", \
sizeof(v4l2_capability.card));
......@@ -853,7 +883,7 @@ case VIDIOC_QUERYCAP: {
sizeof(v4l2_capability.bus_info)) < 0) {
strlcpy(&v4l2_capability.bus_info[0], "EasyCAP bus_info", \
sizeof(v4l2_capability.bus_info));
JOT(8, "%s=v4l2_capability.bus_info\n", \
JOM(8, "%s=v4l2_capability.bus_info\n", \
&v4l2_capability.bus_info[0]);
}
if (0 != copy_to_user((void __user *)arg, &v4l2_capability, \
......@@ -863,10 +893,10 @@ case VIDIOC_QUERYCAP: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_ENUMINPUT: {
static struct v4l2_input v4l2_input;
static __u32 index;
struct v4l2_input v4l2_input;
__u32 index;
JOT(8, "VIDIOC_ENUMINPUT\n");
JOM(8, "VIDIOC_ENUMINPUT\n");
if (0 != copy_from_user(&v4l2_input, (void __user *)arg, \
sizeof(struct v4l2_input)))
......@@ -885,7 +915,7 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
case 1: {
......@@ -897,7 +927,7 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
case 2: {
......@@ -909,7 +939,7 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
case 3: {
......@@ -921,7 +951,7 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
case 4: {
......@@ -933,7 +963,7 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
case 5: {
......@@ -945,11 +975,11 @@ case VIDIOC_ENUMINPUT: {
v4l2_input.std = V4L2_STD_PAL | V4L2_STD_SECAM | \
V4L2_STD_NTSC ;
v4l2_input.status = 0;
JOT(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_input.name[0]);
break;
}
default: {
JOT(8, "%i=index: exhausts inputs\n", index);
JOM(8, "%i=index: exhausts inputs\n", index);
return -EINVAL;
}
}
......@@ -961,11 +991,11 @@ case VIDIOC_ENUMINPUT: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_INPUT: {
static __u32 index;
__u32 index;
JOT(8, "VIDIOC_G_INPUT\n");
JOM(8, "VIDIOC_G_INPUT\n");
index = (__u32)peasycap->input;
JOT(8, "user is told: %i\n", index);
JOM(8, "user is told: %i\n", index);
if (0 != copy_to_user((void __user *)arg, &index, sizeof(__u32)))
return -EFAULT;
break;
......@@ -973,22 +1003,22 @@ case VIDIOC_G_INPUT: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_INPUT:
{
static __u32 index;
__u32 index;
JOT(8, "VIDIOC_S_INPUT\n");
JOM(8, "VIDIOC_S_INPUT\n");
if (0 != copy_from_user(&index, (void __user *)arg, sizeof(__u32)))
return -EFAULT;
JOT(8, "user requests input %i\n", index);
JOM(8, "user requests input %i\n", index);
if ((int)index == peasycap->input) {
SAY("requested input already in effect\n");
SAM("requested input already in effect\n");
break;
}
if ((0 > index) || (5 < index)) {
JOT(8, "ERROR: bad requested input: %i\n", index);
JOM(8, "ERROR: bad requested input: %i\n", index);
return -EINVAL;
}
peasycap->input = (int)index;
......@@ -999,14 +1029,14 @@ case VIDIOC_S_INPUT:
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_ENUMAUDIO: {
JOT(8, "VIDIOC_ENUMAUDIO\n");
JOM(8, "VIDIOC_ENUMAUDIO\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_ENUMAUDOUT: {
static struct v4l2_audioout v4l2_audioout;
struct v4l2_audioout v4l2_audioout;
JOT(8, "VIDIOC_ENUMAUDOUT\n");
JOM(8, "VIDIOC_ENUMAUDOUT\n");
if (0 != copy_from_user(&v4l2_audioout, (void __user *)arg, \
sizeof(struct v4l2_audioout)))
......@@ -1025,10 +1055,10 @@ case VIDIOC_ENUMAUDOUT: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_QUERYCTRL: {
static int i1;
static struct v4l2_queryctrl v4l2_queryctrl;
int i1;
struct v4l2_queryctrl v4l2_queryctrl;
JOT(8, "VIDIOC_QUERYCTRL\n");
JOM(8, "VIDIOC_QUERYCTRL\n");
if (0 != copy_from_user(&v4l2_queryctrl, (void __user *)arg, \
sizeof(struct v4l2_queryctrl)))
......@@ -1037,7 +1067,7 @@ case VIDIOC_QUERYCTRL: {
i1 = 0;
while (0xFFFFFFFF != easycap_control[i1].id) {
if (easycap_control[i1].id == v4l2_queryctrl.id) {
JOT(8, "VIDIOC_QUERYCTRL %s=easycap_control[%i]" \
JOM(8, "VIDIOC_QUERYCTRL %s=easycap_control[%i]" \
".name\n", &easycap_control[i1].name[0], i1);
memcpy(&v4l2_queryctrl, &easycap_control[i1], \
sizeof(struct v4l2_queryctrl));
......@@ -1046,7 +1076,7 @@ case VIDIOC_QUERYCTRL: {
i1++;
}
if (0xFFFFFFFF == easycap_control[i1].id) {
JOT(8, "%i=index: exhausts controls\n", i1);
JOM(8, "%i=index: exhausts controls\n", i1);
return -EINVAL;
}
if (0 != copy_to_user((void __user *)arg, &v4l2_queryctrl, \
......@@ -1056,15 +1086,15 @@ case VIDIOC_QUERYCTRL: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_QUERYMENU: {
JOT(8, "VIDIOC_QUERYMENU unsupported\n");
JOM(8, "VIDIOC_QUERYMENU unsupported\n");
return -EINVAL;
break;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_CTRL: {
static struct v4l2_control v4l2_control;
struct v4l2_control v4l2_control;
JOT(8, "VIDIOC_G_CTRL\n");
JOM(8, "VIDIOC_G_CTRL\n");
if (0 != copy_from_user(&v4l2_control, (void __user *)arg, \
sizeof(struct v4l2_control)))
......@@ -1073,27 +1103,27 @@ case VIDIOC_G_CTRL: {
switch (v4l2_control.id) {
case V4L2_CID_BRIGHTNESS: {
v4l2_control.value = peasycap->brightness;
JOT(8, "user enquires brightness: %i\n", v4l2_control.value);
JOM(8, "user enquires brightness: %i\n", v4l2_control.value);
break;
}
case V4L2_CID_CONTRAST: {
v4l2_control.value = peasycap->contrast;
JOT(8, "user enquires contrast: %i\n", v4l2_control.value);
JOM(8, "user enquires contrast: %i\n", v4l2_control.value);
break;
}
case V4L2_CID_SATURATION: {
v4l2_control.value = peasycap->saturation;
JOT(8, "user enquires saturation: %i\n", v4l2_control.value);
JOM(8, "user enquires saturation: %i\n", v4l2_control.value);
break;
}
case V4L2_CID_HUE: {
v4l2_control.value = peasycap->hue;
JOT(8, "user enquires hue: %i\n", v4l2_control.value);
JOM(8, "user enquires hue: %i\n", v4l2_control.value);
break;
}
case V4L2_CID_AUDIO_VOLUME: {
v4l2_control.value = peasycap->volume;
JOT(8, "user enquires volume: %i\n", v4l2_control.value);
JOM(8, "user enquires volume: %i\n", v4l2_control.value);
break;
}
case V4L2_CID_AUDIO_MUTE: {
......@@ -1101,11 +1131,11 @@ case VIDIOC_G_CTRL: {
v4l2_control.value = true;
else
v4l2_control.value = false;
JOT(8, "user enquires mute: %i\n", v4l2_control.value);
JOM(8, "user enquires mute: %i\n", v4l2_control.value);
break;
}
default: {
SAY("ERROR: unknown V4L2 control: 0x%08X=id\n", \
SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", \
v4l2_control.id);
return -EINVAL;
}
......@@ -1118,14 +1148,14 @@ case VIDIOC_G_CTRL: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if defined(VIDIOC_S_CTRL_OLD)
case VIDIOC_S_CTRL_OLD: {
JOT(8, "VIDIOC_S_CTRL_OLD required at least for xawtv\n");
JOM(8, "VIDIOC_S_CTRL_OLD required at least for xawtv\n");
}
#endif /*VIDIOC_S_CTRL_OLD*/
case VIDIOC_S_CTRL:
{
static struct v4l2_control v4l2_control;
struct v4l2_control v4l2_control;
JOT(8, "VIDIOC_S_CTRL\n");
JOM(8, "VIDIOC_S_CTRL\n");
if (0 != copy_from_user(&v4l2_control, (void __user *)arg, \
sizeof(struct v4l2_control)))
......@@ -1133,31 +1163,31 @@ case VIDIOC_S_CTRL:
switch (v4l2_control.id) {
case V4L2_CID_BRIGHTNESS: {
JOT(8, "user requests brightness %i\n", v4l2_control.value);
JOM(8, "user requests brightness %i\n", v4l2_control.value);
if (0 != adjust_brightness(peasycap, v4l2_control.value))
;
break;
}
case V4L2_CID_CONTRAST: {
JOT(8, "user requests contrast %i\n", v4l2_control.value);
JOM(8, "user requests contrast %i\n", v4l2_control.value);
if (0 != adjust_contrast(peasycap, v4l2_control.value))
;
break;
}
case V4L2_CID_SATURATION: {
JOT(8, "user requests saturation %i\n", v4l2_control.value);
JOM(8, "user requests saturation %i\n", v4l2_control.value);
if (0 != adjust_saturation(peasycap, v4l2_control.value))
;
break;
}
case V4L2_CID_HUE: {
JOT(8, "user requests hue %i\n", v4l2_control.value);
JOM(8, "user requests hue %i\n", v4l2_control.value);
if (0 != adjust_hue(peasycap, v4l2_control.value))
;
break;
}
case V4L2_CID_AUDIO_VOLUME: {
JOT(8, "user requests volume %i\n", v4l2_control.value);
JOM(8, "user requests volume %i\n", v4l2_control.value);
if (0 != adjust_volume(peasycap, v4l2_control.value))
;
break;
......@@ -1165,18 +1195,18 @@ case VIDIOC_S_CTRL:
case V4L2_CID_AUDIO_MUTE: {
int mute;
JOT(8, "user requests mute %i\n", v4l2_control.value);
JOM(8, "user requests mute %i\n", v4l2_control.value);
if (true == v4l2_control.value)
mute = 1;
else
mute = 0;
if (0 != adjust_mute(peasycap, mute))
SAY("WARNING: failed to adjust mute to %i\n", mute);
SAM("WARNING: failed to adjust mute to %i\n", mute);
break;
}
default: {
SAY("ERROR: unknown V4L2 control: 0x%08X=id\n", \
SAM("ERROR: unknown V4L2 control: 0x%08X=id\n", \
v4l2_control.id);
return -EINVAL;
}
......@@ -1185,15 +1215,15 @@ case VIDIOC_S_CTRL:
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_EXT_CTRLS: {
JOT(8, "VIDIOC_S_EXT_CTRLS unsupported\n");
JOM(8, "VIDIOC_S_EXT_CTRLS unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_ENUM_FMT: {
static __u32 index;
static struct v4l2_fmtdesc v4l2_fmtdesc;
__u32 index;
struct v4l2_fmtdesc v4l2_fmtdesc;
JOT(8, "VIDIOC_ENUM_FMT\n");
JOM(8, "VIDIOC_ENUM_FMT\n");
if (0 != copy_from_user(&v4l2_fmtdesc, (void __user *)arg, \
sizeof(struct v4l2_fmtdesc)))
......@@ -1210,46 +1240,46 @@ case VIDIOC_ENUM_FMT: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "uyvy");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_UYVY;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
case 1: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "yuy2");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_YUYV;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
case 2: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "rgb24");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB24;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
case 3: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "rgb32");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_RGB32;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
case 4: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "bgr24");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR24;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
case 5: {
v4l2_fmtdesc.flags = 0;
strcpy(&v4l2_fmtdesc.description[0], "bgr32");
v4l2_fmtdesc.pixelformat = V4L2_PIX_FMT_BGR32;
JOT(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
JOM(8, "%i=index: %s\n", index, &v4l2_fmtdesc.description[0]);
break;
}
default: {
JOT(8, "%i=index: exhausts formats\n", index);
JOM(8, "%i=index: exhausts formats\n", index);
return -EINVAL;
}
}
......@@ -1260,19 +1290,19 @@ case VIDIOC_ENUM_FMT: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_ENUM_FRAMESIZES: {
JOT(8, "VIDIOC_ENUM_FRAMESIZES unsupported\n");
JOM(8, "VIDIOC_ENUM_FRAMESIZES unsupported\n");
return -EINVAL;
}
case VIDIOC_ENUM_FRAMEINTERVALS: {
JOT(8, "VIDIOC_ENUM_FRAME_INTERVALS unsupported\n");
JOM(8, "VIDIOC_ENUM_FRAME_INTERVALS unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_FMT: {
static struct v4l2_format v4l2_format;
static struct v4l2_pix_format v4l2_pix_format;
struct v4l2_format v4l2_format;
struct v4l2_pix_format v4l2_pix_format;
JOT(8, "VIDIOC_G_FMT\n");
JOM(8, "VIDIOC_G_FMT\n");
if (0 != copy_from_user(&v4l2_format, (void __user *)arg, \
sizeof(struct v4l2_format)))
......@@ -1286,7 +1316,7 @@ case VIDIOC_G_FMT: {
memcpy(&(v4l2_format.fmt.pix), \
&(easycap_format[peasycap->format_offset]\
.v4l2_format.fmt.pix), sizeof(v4l2_pix_format));
JOT(8, "user is told: %s\n", \
JOM(8, "user is told: %s\n", \
&easycap_format[peasycap->format_offset].name[0]);
if (0 != copy_to_user((void __user *)arg, &v4l2_format, \
......@@ -1297,16 +1327,16 @@ case VIDIOC_G_FMT: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_TRY_FMT:
case VIDIOC_S_FMT: {
static struct v4l2_format v4l2_format;
static struct v4l2_pix_format v4l2_pix_format;
static bool try;
static int best_format;
struct v4l2_format v4l2_format;
struct v4l2_pix_format v4l2_pix_format;
bool try;
int best_format;
if (VIDIOC_TRY_FMT == cmd) {
JOT(8, "VIDIOC_TRY_FMT\n");
JOM(8, "VIDIOC_TRY_FMT\n");
try = true;
} else {
JOT(8, "VIDIOC_S_FMT\n");
JOM(8, "VIDIOC_S_FMT\n");
try = false;
}
......@@ -1321,7 +1351,7 @@ case VIDIOC_S_FMT: {
v4l2_format.fmt.pix.field, \
try);
if (0 > best_format) {
JOT(8, "WARNING: adjust_format() returned %i\n", best_format);
JOM(8, "WARNING: adjust_format() returned %i\n", best_format);
return -ENOENT;
}
/*...........................................................................*/
......@@ -1330,7 +1360,7 @@ case VIDIOC_S_FMT: {
memcpy(&(v4l2_format.fmt.pix), &(easycap_format[best_format]\
.v4l2_format.fmt.pix), sizeof(v4l2_pix_format));
JOT(8, "user is told: %s\n", &easycap_format[best_format].name[0]);
JOM(8, "user is told: %s\n", &easycap_format[best_format].name[0]);
if (0 != copy_to_user((void __user *)arg, &v4l2_format, \
sizeof(struct v4l2_format)))
......@@ -1339,16 +1369,16 @@ case VIDIOC_S_FMT: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_CROPCAP: {
static struct v4l2_cropcap v4l2_cropcap;
struct v4l2_cropcap v4l2_cropcap;
JOT(8, "VIDIOC_CROPCAP\n");
JOM(8, "VIDIOC_CROPCAP\n");
if (0 != copy_from_user(&v4l2_cropcap, (void __user *)arg, \
sizeof(struct v4l2_cropcap)))
return -EFAULT;
if (v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
JOT(8, "v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
JOM(8, "v4l2_cropcap.type != V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
memset(&v4l2_cropcap, 0, sizeof(struct v4l2_cropcap));
v4l2_cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
......@@ -1363,7 +1393,7 @@ case VIDIOC_CROPCAP: {
v4l2_cropcap.pixelaspect.numerator = 1;
v4l2_cropcap.pixelaspect.denominator = 1;
JOT(8, "user is told: %ix%i\n", peasycap->width, peasycap->height);
JOM(8, "user is told: %ix%i\n", peasycap->width, peasycap->height);
if (0 != copy_to_user((void __user *)arg, &v4l2_cropcap, \
sizeof(struct v4l2_cropcap)))
......@@ -1373,12 +1403,12 @@ case VIDIOC_CROPCAP: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_CROP:
case VIDIOC_S_CROP: {
JOT(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n");
JOM(8, "VIDIOC_G_CROP|VIDIOC_S_CROP unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_QUERYSTD: {
JOT(8, "VIDIOC_QUERYSTD: " \
JOM(8, "VIDIOC_QUERYSTD: " \
"EasyCAP is incapable of detecting standard\n");
return -EINVAL;
break;
......@@ -1392,12 +1422,12 @@ case VIDIOC_QUERYSTD: {
*/
/*---------------------------------------------------------------------------*/
case VIDIOC_ENUMSTD: {
static int last0 = -1, last1 = -1, last2 = -1, last3 = -1;
static struct v4l2_standard v4l2_standard;
static __u32 index;
static struct easycap_standard const *peasycap_standard;
int last0 = -1, last1 = -1, last2 = -1, last3 = -1;
struct v4l2_standard v4l2_standard;
__u32 index;
struct easycap_standard const *peasycap_standard;
JOT(8, "VIDIOC_ENUMSTD\n");
JOM(8, "VIDIOC_ENUMSTD\n");
if (0 != copy_from_user(&v4l2_standard, (void __user *)arg, \
sizeof(struct v4l2_standard)))
......@@ -1420,10 +1450,10 @@ case VIDIOC_ENUMSTD: {
peasycap_standard++;
}
if (0xFFFF == peasycap_standard->mask) {
JOT(8, "%i=index: exhausts standards\n", index);
JOM(8, "%i=index: exhausts standards\n", index);
return -EINVAL;
}
JOT(8, "%i=index: %s\n", index, \
JOM(8, "%i=index: %s\n", index, \
&(peasycap_standard->v4l2_standard.name[0]));
memcpy(&v4l2_standard, &(peasycap_standard->v4l2_standard), \
sizeof(struct v4l2_standard));
......@@ -1437,10 +1467,10 @@ case VIDIOC_ENUMSTD: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_STD: {
static v4l2_std_id std_id;
static struct easycap_standard const *peasycap_standard;
v4l2_std_id std_id;
struct easycap_standard const *peasycap_standard;
JOT(8, "VIDIOC_G_STD\n");
JOM(8, "VIDIOC_G_STD\n");
if (0 != copy_from_user(&std_id, (void __user *)arg, \
sizeof(v4l2_std_id)))
......@@ -1449,7 +1479,7 @@ case VIDIOC_G_STD: {
peasycap_standard = &easycap_standard[peasycap->standard_offset];
std_id = peasycap_standard->v4l2_standard.id;
JOT(8, "user is told: %s\n", \
JOM(8, "user is told: %s\n", \
&peasycap_standard->v4l2_standard.name[0]);
if (0 != copy_to_user((void __user *)arg, &std_id, \
......@@ -1459,10 +1489,10 @@ case VIDIOC_G_STD: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_STD: {
static v4l2_std_id std_id;
static int rc;
v4l2_std_id std_id;
int rc;
JOT(8, "VIDIOC_S_STD\n");
JOM(8, "VIDIOC_S_STD\n");
if (0 != copy_from_user(&std_id, (void __user *)arg, \
sizeof(v4l2_std_id)))
......@@ -1470,17 +1500,17 @@ case VIDIOC_S_STD: {
rc = adjust_standard(peasycap, std_id);
if (0 > rc) {
JOT(8, "WARNING: adjust_standard() returned %i\n", rc);
JOM(8, "WARNING: adjust_standard() returned %i\n", rc);
return -ENOENT;
}
break;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_REQBUFS: {
static int nbuffers;
static struct v4l2_requestbuffers v4l2_requestbuffers;
int nbuffers;
struct v4l2_requestbuffers v4l2_requestbuffers;
JOT(8, "VIDIOC_REQBUFS\n");
JOM(8, "VIDIOC_REQBUFS\n");
if (0 != copy_from_user(&v4l2_requestbuffers, (void __user *)arg, \
sizeof(struct v4l2_requestbuffers)))
......@@ -1491,16 +1521,16 @@ case VIDIOC_REQBUFS: {
if (v4l2_requestbuffers.memory != V4L2_MEMORY_MMAP)
return -EINVAL;
nbuffers = v4l2_requestbuffers.count;
JOT(8, " User requests %i buffers ...\n", nbuffers);
JOM(8, " User requests %i buffers ...\n", nbuffers);
if (nbuffers < 2)
nbuffers = 2;
if (nbuffers > FRAME_BUFFER_MANY)
nbuffers = FRAME_BUFFER_MANY;
if (v4l2_requestbuffers.count == nbuffers) {
JOT(8, " ... agree to %i buffers\n", \
JOM(8, " ... agree to %i buffers\n", \
nbuffers);
} else {
JOT(8, " ... insist on %i buffers\n", \
JOM(8, " ... insist on %i buffers\n", \
nbuffers);
v4l2_requestbuffers.count = nbuffers;
}
......@@ -1513,13 +1543,13 @@ case VIDIOC_REQBUFS: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_QUERYBUF: {
static __u32 index;
static struct v4l2_buffer v4l2_buffer;
__u32 index;
struct v4l2_buffer v4l2_buffer;
JOT(8, "VIDIOC_QUERYBUF\n");
JOM(8, "VIDIOC_QUERYBUF\n");
if (peasycap->video_eof) {
JOT(8, "returning -1 because %i=video_eof\n", \
JOM(8, "returning -1 because %i=video_eof\n", \
peasycap->video_eof);
return -1;
}
......@@ -1545,17 +1575,17 @@ case VIDIOC_QUERYBUF: {
v4l2_buffer.m.offset = index * FRAME_BUFFER_SIZE;
v4l2_buffer.length = FRAME_BUFFER_SIZE;
JOT(16, " %10i=index\n", v4l2_buffer.index);
JOT(16, " 0x%08X=type\n", v4l2_buffer.type);
JOT(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
JOT(16, " 0x%08X=flags\n", v4l2_buffer.flags);
JOT(16, " %10i=field\n", v4l2_buffer.field);
JOT(16, " %10li=timestamp.tv_usec\n", \
JOM(16, " %10i=index\n", v4l2_buffer.index);
JOM(16, " 0x%08X=type\n", v4l2_buffer.type);
JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags);
JOM(16, " %10i=field\n", v4l2_buffer.field);
JOM(16, " %10li=timestamp.tv_usec\n", \
(long)v4l2_buffer.timestamp.tv_usec);
JOT(16, " %10i=sequence\n", v4l2_buffer.sequence);
JOT(16, " 0x%08X=memory\n", v4l2_buffer.memory);
JOT(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
JOT(16, " %10i=length\n", v4l2_buffer.length);
JOM(16, " %10i=sequence\n", v4l2_buffer.sequence);
JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory);
JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
JOM(16, " %10i=length\n", v4l2_buffer.length);
if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \
sizeof(struct v4l2_buffer)))
......@@ -1564,9 +1594,9 @@ case VIDIOC_QUERYBUF: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_QBUF: {
static struct v4l2_buffer v4l2_buffer;
struct v4l2_buffer v4l2_buffer;
JOT(8, "VIDIOC_QBUF\n");
JOM(8, "VIDIOC_QBUF\n");
if (0 != copy_from_user(&v4l2_buffer, (void __user *)arg, \
sizeof(struct v4l2_buffer)))
......@@ -1588,7 +1618,7 @@ case VIDIOC_QBUF: {
sizeof(struct v4l2_buffer)))
return -EFAULT;
JOT(8, "..... user queueing frame buffer %i\n", \
JOM(8, "..... user queueing frame buffer %i\n", \
(int)v4l2_buffer.index);
peasycap->frame_lock = 0;
......@@ -1599,20 +1629,20 @@ case VIDIOC_QBUF: {
case VIDIOC_DQBUF:
{
#if defined(AUDIOTIME)
static struct signed_div_result sdr;
static long long int above, below, dnbydt, fudge, sll;
static unsigned long long int ull;
static struct timeval timeval0;
struct signed_div_result sdr;
long long int above, below, dnbydt, fudge, sll;
unsigned long long int ull;
struct timeval timeval0;
struct timeval timeval1;
#endif /*AUDIOTIME*/
static struct timeval timeval, timeval2;
static int i, j;
static struct v4l2_buffer v4l2_buffer;
struct timeval timeval, timeval2;
int i, j;
struct v4l2_buffer v4l2_buffer;
JOT(8, "VIDIOC_DQBUF\n");
JOM(8, "VIDIOC_DQBUF\n");
if ((peasycap->video_idle) || (peasycap->video_eof)) {
JOT(8, "returning -EIO because " \
JOM(8, "returning -EIO because " \
"%i=video_idle %i=video_eof\n", \
peasycap->video_idle, peasycap->video_eof);
return -EIO;
......@@ -1626,7 +1656,7 @@ case VIDIOC_DQBUF:
return -EINVAL;
if (!peasycap->video_isoc_streaming) {
JOT(16, "returning -EIO because video urbs not streaming\n");
JOM(16, "returning -EIO because video urbs not streaming\n");
return -EIO;
}
/*---------------------------------------------------------------------------*/
......@@ -1645,12 +1675,12 @@ case VIDIOC_DQBUF:
return -EIO;
}
if (V4L2_BUF_FLAG_DONE != peasycap->done[peasycap->frame_read]) {
SAY("ERROR: V4L2_BUF_FLAG_DONE != 0x%08X\n", \
SAM("ERROR: V4L2_BUF_FLAG_DONE != 0x%08X\n", \
peasycap->done[peasycap->frame_read]);
}
peasycap->polled = 0;
if (!(isequence % 10)) {
if (!(peasycap->isequence % 10)) {
for (i = 0; i < 179; i++)
peasycap->merit[i] = peasycap->merit[i+1];
peasycap->merit[179] = merit_saa(peasycap->pusb_device);
......@@ -1658,7 +1688,7 @@ case VIDIOC_DQBUF:
for (i = 0; i < 180; i++)
j += peasycap->merit[i];
if (90 < j) {
SAY("easycap driver shutting down " \
SAM("easycap driver shutting down " \
"on condition blue\n");
peasycap->video_eof = 1; peasycap->audio_eof = 1;
}
......@@ -1697,7 +1727,7 @@ case VIDIOC_DQBUF:
timeval2.tv_usec = sdr.remainder;
timeval2.tv_sec = timeval1.tv_sec + sdr.quotient;
}
if (!(isequence % 500)) {
if (!(peasycap->isequence % 500)) {
fudge = ((long long int)(1000000)) * \
((long long int)(timeval.tv_sec - \
timeval2.tv_sec)) + \
......@@ -1707,38 +1737,38 @@ case VIDIOC_DQBUF:
sll = sdr.quotient;
ull = sdr.remainder;
SAY("%5lli.%-3lli=ms timestamp fudge\n", sll, ull);
SAM("%5lli.%-3lli=ms timestamp fudge\n", sll, ull);
}
#endif /*AUDIOTIME*/
v4l2_buffer.timestamp = timeval2;
v4l2_buffer.sequence = isequence++;
v4l2_buffer.sequence = peasycap->isequence++;
v4l2_buffer.memory = V4L2_MEMORY_MMAP;
v4l2_buffer.m.offset = v4l2_buffer.index * FRAME_BUFFER_SIZE;
v4l2_buffer.length = FRAME_BUFFER_SIZE;
JOT(16, " %10i=index\n", v4l2_buffer.index);
JOT(16, " 0x%08X=type\n", v4l2_buffer.type);
JOT(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
JOT(16, " 0x%08X=flags\n", v4l2_buffer.flags);
JOT(16, " %10i=field\n", v4l2_buffer.field);
JOT(16, " %10li=timestamp.tv_usec\n", \
JOM(16, " %10i=index\n", v4l2_buffer.index);
JOM(16, " 0x%08X=type\n", v4l2_buffer.type);
JOM(16, " %10i=bytesused\n", v4l2_buffer.bytesused);
JOM(16, " 0x%08X=flags\n", v4l2_buffer.flags);
JOM(16, " %10i=field\n", v4l2_buffer.field);
JOM(16, " %10li=timestamp.tv_usec\n", \
(long)v4l2_buffer.timestamp.tv_usec);
JOT(16, " %10i=sequence\n", v4l2_buffer.sequence);
JOT(16, " 0x%08X=memory\n", v4l2_buffer.memory);
JOT(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
JOT(16, " %10i=length\n", v4l2_buffer.length);
JOM(16, " %10i=sequence\n", v4l2_buffer.sequence);
JOM(16, " 0x%08X=memory\n", v4l2_buffer.memory);
JOM(16, " %10i=m.offset\n", v4l2_buffer.m.offset);
JOM(16, " %10i=length\n", v4l2_buffer.length);
if (0 != copy_to_user((void __user *)arg, &v4l2_buffer, \
sizeof(struct v4l2_buffer)))
return -EFAULT;
JOT(8, "..... user is offered frame buffer %i\n", \
JOM(8, "..... user is offered frame buffer %i\n", \
peasycap->frame_read);
peasycap->frame_lock = 1;
if (peasycap->frame_read == peasycap->frame_fill) {
if (peasycap->frame_lock) {
JOT(8, "ERROR: filling frame buffer " \
JOM(8, "ERROR: filling frame buffer " \
"while offered to user\n");
}
}
......@@ -1752,15 +1782,15 @@ case VIDIOC_DQBUF:
*/
/*---------------------------------------------------------------------------*/
case VIDIOC_STREAMON: {
static int i;
int i;
JOT(8, "VIDIOC_STREAMON\n");
JOM(8, "VIDIOC_STREAMON\n");
isequence = 0;
peasycap->isequence = 0;
for (i = 0; i < 180; i++)
peasycap->merit[i] = 0;
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
submit_video_urbs(peasycap);
......@@ -1772,10 +1802,10 @@ case VIDIOC_STREAMON: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_STREAMOFF: {
JOT(8, "VIDIOC_STREAMOFF\n");
JOM(8, "VIDIOC_STREAMOFF\n");
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
......@@ -1787,7 +1817,7 @@ case VIDIOC_STREAMOFF: {
* THE USERSPACE PROGRAM, E.G. mplayer, MAY HANG ON EXIT. BEWARE.
*/
/*---------------------------------------------------------------------------*/
JOT(8, "calling wake_up on wq_video and wq_audio\n");
JOM(8, "calling wake_up on wq_video and wq_audio\n");
wake_up_interruptible(&(peasycap->wq_video));
wake_up_interruptible(&(peasycap->wq_audio));
/*---------------------------------------------------------------------------*/
......@@ -1795,9 +1825,9 @@ case VIDIOC_STREAMOFF: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_PARM: {
static struct v4l2_streamparm v4l2_streamparm;
struct v4l2_streamparm v4l2_streamparm;
JOT(8, "VIDIOC_G_PARM\n");
JOM(8, "VIDIOC_G_PARM\n");
if (0 != copy_from_user(&v4l2_streamparm, (void __user *)arg, \
sizeof(struct v4l2_streamparm)))
......@@ -1818,44 +1848,44 @@ case VIDIOC_G_PARM: {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_PARM: {
JOT(8, "VIDIOC_S_PARM unsupported\n");
JOM(8, "VIDIOC_S_PARM unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_AUDIO: {
JOT(8, "VIDIOC_G_AUDIO unsupported\n");
JOM(8, "VIDIOC_G_AUDIO unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_AUDIO: {
JOT(8, "VIDIOC_S_AUDIO unsupported\n");
JOM(8, "VIDIOC_S_AUDIO unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_S_TUNER: {
JOT(8, "VIDIOC_S_TUNER unsupported\n");
JOM(8, "VIDIOC_S_TUNER unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_FBUF:
case VIDIOC_S_FBUF:
case VIDIOC_OVERLAY: {
JOT(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n");
JOM(8, "VIDIOC_G_FBUF|VIDIOC_S_FBUF|VIDIOC_OVERLAY unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
case VIDIOC_G_TUNER: {
JOT(8, "VIDIOC_G_TUNER unsupported\n");
JOM(8, "VIDIOC_G_TUNER unsupported\n");
return -EINVAL;
}
case VIDIOC_G_FREQUENCY:
case VIDIOC_S_FREQUENCY: {
JOT(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n");
JOM(8, "VIDIOC_G_FREQUENCY|VIDIOC_S_FREQUENCY unsupported\n");
return -EINVAL;
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
default: {
JOT(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd);
JOM(8, "ERROR: unrecognized V4L2 IOCTL command: 0x%08X\n", cmd);
return -ENOIOCTLCMD;
}
}
......@@ -1873,25 +1903,32 @@ long easycap_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return ret;
}
/*--------------------------------------------------------------------------*/
/*****************************************************************************/
static int easysnd_ioctl_bkl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
struct easycap *peasycap;
struct usb_device *p;
if (NULL == file) {
SAY("ERROR: file is NULL\n");
return -ERESTARTSYS;
}
peasycap = file->private_data;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL.\n");
return -1;
return -EFAULT;
}
p = peasycap->pusb_device;
if (NULL == p) {
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
switch (cmd) {
case SNDCTL_DSP_GETCAPS: {
int caps;
JOT(8, "SNDCTL_DSP_GETCAPS\n");
JOM(8, "SNDCTL_DSP_GETCAPS\n");
#if defined(UPSAMPLE)
if (true == peasycap->microphone)
......@@ -1911,7 +1948,7 @@ case SNDCTL_DSP_GETCAPS: {
}
case SNDCTL_DSP_GETFMTS: {
int incoming;
JOT(8, "SNDCTL_DSP_GETFMTS\n");
JOM(8, "SNDCTL_DSP_GETFMTS\n");
#if defined(UPSAMPLE)
if (true == peasycap->microphone)
......@@ -1931,10 +1968,10 @@ case SNDCTL_DSP_GETFMTS: {
}
case SNDCTL_DSP_SETFMT: {
int incoming, outgoing;
JOT(8, "SNDCTL_DSP_SETFMT\n");
JOM(8, "SNDCTL_DSP_SETFMT\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOM(8, "........... %i=incoming\n", incoming);
#if defined(UPSAMPLE)
if (true == peasycap->microphone)
......@@ -1949,9 +1986,9 @@ case SNDCTL_DSP_SETFMT: {
#endif /*UPSAMPLE*/
if (incoming != outgoing) {
JOT(8, "........... %i=outgoing\n", outgoing);
JOT(8, " cf. %i=AFMT_S16_LE\n", AFMT_S16_LE);
JOT(8, " cf. %i=AFMT_U8\n", AFMT_U8);
JOM(8, "........... %i=outgoing\n", outgoing);
JOM(8, " cf. %i=AFMT_S16_LE\n", AFMT_S16_LE);
JOM(8, " cf. %i=AFMT_U8\n", AFMT_U8);
if (0 != copy_to_user((void __user *)arg, &outgoing, \
sizeof(int)))
return -EFAULT;
......@@ -1961,10 +1998,10 @@ case SNDCTL_DSP_SETFMT: {
}
case SNDCTL_DSP_STEREO: {
int incoming;
JOT(8, "SNDCTL_DSP_STEREO\n");
JOM(8, "SNDCTL_DSP_STEREO\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOM(8, "........... %i=incoming\n", incoming);
#if defined(UPSAMPLE)
if (true == peasycap->microphone)
......@@ -1984,10 +2021,10 @@ case SNDCTL_DSP_STEREO: {
}
case SNDCTL_DSP_SPEED: {
int incoming;
JOT(8, "SNDCTL_DSP_SPEED\n");
JOM(8, "SNDCTL_DSP_SPEED\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOM(8, "........... %i=incoming\n", incoming);
#if defined(UPSAMPLE)
if (true == peasycap->microphone)
......@@ -2007,10 +2044,10 @@ case SNDCTL_DSP_SPEED: {
}
case SNDCTL_DSP_GETTRIGGER: {
int incoming;
JOT(8, "SNDCTL_DSP_GETTRIGGER\n");
JOM(8, "SNDCTL_DSP_GETTRIGGER\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOM(8, "........... %i=incoming\n", incoming);
incoming = PCM_ENABLE_INPUT;
if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
......@@ -2019,11 +2056,11 @@ case SNDCTL_DSP_GETTRIGGER: {
}
case SNDCTL_DSP_SETTRIGGER: {
int incoming;
JOT(8, "SNDCTL_DSP_SETTRIGGER\n");
JOM(8, "SNDCTL_DSP_SETTRIGGER\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOT(8, "........... cf 0x%x=PCM_ENABLE_INPUT " \
JOM(8, "........... %i=incoming\n", incoming);
JOM(8, "........... cf 0x%x=PCM_ENABLE_INPUT " \
"0x%x=PCM_ENABLE_OUTPUT\n", \
PCM_ENABLE_INPUT, PCM_ENABLE_OUTPUT);
;
......@@ -2034,10 +2071,10 @@ case SNDCTL_DSP_SETTRIGGER: {
}
case SNDCTL_DSP_GETBLKSIZE: {
int incoming;
JOT(8, "SNDCTL_DSP_GETBLKSIZE\n");
JOM(8, "SNDCTL_DSP_GETBLKSIZE\n");
if (0 != copy_from_user(&incoming, (void __user *)arg, sizeof(int)))
return -EFAULT;
JOT(8, "........... %i=incoming\n", incoming);
JOM(8, "........... %i=incoming\n", incoming);
incoming = peasycap->audio_bytes_per_fragment;
if (0 != copy_to_user((void __user *)arg, &incoming, sizeof(int)))
return -EFAULT;
......@@ -2046,7 +2083,7 @@ case SNDCTL_DSP_GETBLKSIZE: {
case SNDCTL_DSP_GETISPACE: {
struct audio_buf_info audio_buf_info;
JOT(8, "SNDCTL_DSP_GETISPACE\n");
JOM(8, "SNDCTL_DSP_GETISPACE\n");
audio_buf_info.bytes = peasycap->audio_bytes_per_fragment;
audio_buf_info.fragments = 1;
......@@ -2059,7 +2096,7 @@ case SNDCTL_DSP_GETISPACE: {
break;
}
default: {
JOT(8, "ERROR: unrecognized DSP IOCTL command: 0x%08X\n", cmd);
JOM(8, "ERROR: unrecognized DSP IOCTL command: 0x%08X\n", cmd);
return -ENOIOCTLCMD;
}
}
......
drivers/staging/easycap/easycap_low.c
View file @ e68703cf
......@@ -783,6 +783,12 @@ return usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), \
(int)50000);
}
/*****************************************************************************/
int
audio_setup(struct easycap *peasycap)
{
struct usb_device *pusb_device;
unsigned char buffer[1];
int rc, id1, id2;
/*---------------------------------------------------------------------------*/
/*
* IMPORTANT:
......@@ -791,20 +797,12 @@ return usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0), \
* TO ENABLE AUDIO THE VALUE 0x0200 MUST BE SENT.
*/
/*---------------------------------------------------------------------------*/
int
audio_setup(struct easycap *peasycap)
{
struct usb_device *pusb_device;
static __u8 request = 0x01;
static __u8 requesttype = \
const __u8 request = 0x01;
const __u8 requesttype = \
(__u8)(USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
static __u16 value_unmute = 0x0200;
static __u16 index = 0x0301;
static unsigned char buffer[1];
static __u16 length = 1;
int rc, id1, id2;
const __u16 value_unmute = 0x0200;
const __u16 index = 0x0301;
const __u16 length = 1;
if (NULL == peasycap)
return -EFAULT;
......
drivers/staging/easycap/easycap_main.c
View file @ e68703cf
......@@ -34,6 +34,18 @@
int debug;
module_param(debug, int, S_IRUGO | S_IWUSR);
/*---------------------------------------------------------------------------*/
/*
* dongle_this IS INDISPENSIBLY static BECAUSE FUNCTION easycap_usb_probe()
* IS CALLED SUCCESSIVELY FOR INTERFACES 0, 1, 2 AND THE POINTER peasycap
* ALLOCATED DURING THE PROBING OF INTERFACE 0 MUST BE REMEMBERED WHEN
* PROBING INTERFACES 1 AND 2.
*/
/*---------------------------------------------------------------------------*/
struct easycap *peasycap_dongle[DONGLE_MANY];
static int dongle_this;
/*---------------------------------------------------------------------------*/
/*
* PARAMETERS APPLICABLE TO ENTIRE DRIVER, I.E. BOTH VIDEO AND AUDIO
......@@ -91,8 +103,6 @@ const struct v4l2_file_operations v4l2_fops = {
.mmap = easycap_mmap,
};
#endif /*EASYCAP_NEEDS_V4L2_FOPS*/
int video_device_many /*=0*/;
struct video_device *pvideo_array[VIDEO_DEVICE_MANY], *pvideo_device;
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
......@@ -115,17 +125,26 @@ struct usb_class_driver easysnd_class = {
.minor_base = USB_SKEL_MINOR_BASE,
};
/****************************************************************************/
/*--------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/*
* IT IS NOT APPROPRIATE FOR easycap_open() TO SUBMIT THE VIDEO URBS HERE,
* BECAUSE THERE WILL ALWAYS BE SUBSEQUENT NEGOTIATION OF TV STANDARD AND
* FORMAT BY IOCTL AND IT IS INADVISABLE TO HAVE THE URBS RUNNING WHILE
* REGISTERS OF THE SA7113H ARE BEING MANIPULATED.
*
* THE SUBMISSION OF VIDEO URBS IS THEREFORE DELAYED UNTIL THE IOCTL COMMAND
* STREAMON IS RECEIVED.
*/
/*--------------------------------------------------------------------------*/
* THIS ROUTINE DOES NOT DETECT MULTIPLE OCCURRENCES OF POINTER peasycap
*/
/*---------------------------------------------------------------------------*/
int
isdongle(struct easycap *peasycap)
{
int k;
if ((struct easycap *)NULL == peasycap)
return -2;
for (k = 0; k < DONGLE_MANY; k++) {
if (peasycap_dongle[k] == peasycap) {
peasycap->isdongle = k;
return k;
}
}
return -1;
}
/*****************************************************************************/
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
int
......@@ -140,6 +159,8 @@ easycap_open(struct inode *inode, struct file *file)
{
#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT))
struct usb_interface *pusb_interface;
#else
struct video_device *pvideo_device;
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
struct usb_device *p;
struct easycap *peasycap;
......@@ -149,6 +170,7 @@ JOT(4, "\n");
SAY("==========OPEN=========\n");
peasycap = (struct easycap *)NULL;
/*---------------------------------------------------------------------------*/
#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT))
if ((struct inode *)NULL == inode) {
SAY("ERROR: inode is NULL.\n");
......@@ -162,17 +184,16 @@ if (!pusb_interface) {
peasycap = usb_get_intfdata(pusb_interface);
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
for (i = 0; i < video_device_many; i++) {
pvideo_device = pvideo_array[i];
if ((struct video_device *)NULL != pvideo_device) {
peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
break;
}
pvideo_device = video_devdata(file);
if ((struct video_device *)NULL == pvideo_device) {
SAY("ERROR: pvideo_device is NULL.\n");
return -EFAULT;
}
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
peasycap = (struct easycap *)video_get_drvdata(pvideo_device);
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
if ((struct easycap *)NULL == peasycap) {
SAY("MISTAKE: peasycap is NULL\n");
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
file->private_data = peasycap;
......@@ -181,7 +202,7 @@ file->private_data = peasycap;
* INITIALIZATION
*/
/*---------------------------------------------------------------------------*/
JOT(4, "starting initialization\n");
JOM(4, "starting initialization\n");
for (k = 0; k < FRAME_BUFFER_MANY; k++) {
for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++)
......@@ -189,40 +210,40 @@ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
}
p = peasycap->pusb_device;
if ((struct usb_device *)NULL == p) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
} else {
JOT(16, "0x%08lX=peasycap->pusb_device\n", \
JOM(16, "0x%08lX=peasycap->pusb_device\n", \
(long int)peasycap->pusb_device);
}
rc = wakeup_device(peasycap->pusb_device);
if (0 == rc)
JOT(8, "wakeup_device() OK\n");
JOM(8, "wakeup_device() OK\n");
else {
SAY("ERROR: wakeup_device() returned %i\n", rc);
SAM("ERROR: wakeup_device() returned %i\n", rc);
return -EFAULT;
}
rc = setup_stk(p); peasycap->input = 0;
if (0 == rc)
JOT(8, "setup_stk() OK\n");
JOM(8, "setup_stk() OK\n");
else {
SAY("ERROR: setup_stk() returned %i\n", rc);
SAM("ERROR: setup_stk() returned %i\n", rc);
return -EFAULT;
}
rc = setup_saa(p);
if (0 == rc)
JOT(8, "setup_saa() OK\n");
JOM(8, "setup_saa() OK\n");
else {
SAY("ERROR: setup_saa() returned %i\n", rc);
SAM("ERROR: setup_saa() returned %i\n", rc);
return -EFAULT;
}
rc = check_saa(p);
if (0 == rc)
JOT(8, "check_saa() OK\n");
JOM(8, "check_saa() OK\n");
else if (-8 < rc)
SAY("check_saa() returned %i\n", rc);
SAM("check_saa() returned %i\n", rc);
else {
SAY("ERROR: check_saa() returned %i\n", rc);
SAM("ERROR: check_saa() returned %i\n", rc);
return -EFAULT;
}
peasycap->standard_offset = -1;
......@@ -231,17 +252,17 @@ peasycap->standard_offset = -1;
rc = adjust_standard(peasycap, V4L2_STD_NTSC_M);
if (0 == rc)
JOT(8, "adjust_standard(.,NTSC_M) OK\n");
JOM(8, "adjust_standard(.,NTSC_M) OK\n");
else {
SAY("ERROR: adjust_standard(.,NTSC_M) returned %i\n", rc);
SAM("ERROR: adjust_standard(.,NTSC_M) returned %i\n", rc);
return -EFAULT;
}
rc = adjust_format(peasycap, 640, 480, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE, \
false);
if (0 <= rc)
JOT(8, "adjust_format(.,640,480,UYVY) OK\n");
JOM(8, "adjust_format(.,640,480,UYVY) OK\n");
else {
SAY("ERROR: adjust_format(.,640,480,UYVY) returned %i\n", rc);
SAM("ERROR: adjust_format(.,640,480,UYVY) returned %i\n", rc);
return -EFAULT;
}
......@@ -251,17 +272,17 @@ rc = adjust_standard(peasycap, \
(V4L2_STD_PAL_B | V4L2_STD_PAL_G | V4L2_STD_PAL_H | \
V4L2_STD_PAL_I | V4L2_STD_PAL_N));
if (0 == rc)
JOT(8, "adjust_standard(.,PAL_BGHIN) OK\n");
JOM(8, "adjust_standard(.,PAL_BGHIN) OK\n");
else {
SAY("ERROR: adjust_standard(.,PAL_BGHIN) returned %i\n", rc);
SAM("ERROR: adjust_standard(.,PAL_BGHIN) returned %i\n", rc);
return -EFAULT;
}
rc = adjust_format(peasycap, 640, 480, V4L2_PIX_FMT_UYVY, V4L2_FIELD_NONE, \
false);
if (0 <= rc)
JOT(8, "adjust_format(.,640,480,uyvy,false) OK\n");
JOM(8, "adjust_format(.,640,480,uyvy,false) OK\n");
else {
SAY("ERROR: adjust_format(.,640,480,uyvy,false) returned %i\n", rc);
SAM("ERROR: adjust_format(.,640,480,uyvy,false) returned %i\n", rc);
return -EFAULT;
}
......@@ -269,39 +290,39 @@ else {
/*---------------------------------------------------------------------------*/
rc = adjust_brightness(peasycap, -8192);
if (0 != rc) {
SAY("ERROR: adjust_brightness(default) returned %i\n", rc);
SAM("ERROR: adjust_brightness(default) returned %i\n", rc);
return -EFAULT;
}
rc = adjust_contrast(peasycap, -8192);
if (0 != rc) {
SAY("ERROR: adjust_contrast(default) returned %i\n", rc);
SAM("ERROR: adjust_contrast(default) returned %i\n", rc);
return -EFAULT;
}
rc = adjust_saturation(peasycap, -8192);
if (0 != rc) {
SAY("ERROR: adjust_saturation(default) returned %i\n", rc);
SAM("ERROR: adjust_saturation(default) returned %i\n", rc);
return -EFAULT;
}
rc = adjust_hue(peasycap, -8192);
if (0 != rc) {
SAY("ERROR: adjust_hue(default) returned %i\n", rc);
SAM("ERROR: adjust_hue(default) returned %i\n", rc);
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
rc = usb_set_interface(peasycap->pusb_device, peasycap->video_interface, \
peasycap->video_altsetting_on);
if (0 == rc)
JOT(8, "usb_set_interface(.,%i,%i) OK\n", peasycap->video_interface, \
JOM(8, "usb_set_interface(.,%i,%i) OK\n", peasycap->video_interface, \
peasycap->video_altsetting_on);
else {
SAY("ERROR: usb_set_interface() returned %i\n", rc);
SAM("ERROR: usb_set_interface() returned %i\n", rc);
return -EFAULT;
}
rc = start_100(p);
if (0 == rc)
JOT(8, "start_100() OK\n");
JOM(8, "start_100() OK\n");
else {
SAY("ERROR: start_100() returned %i\n", rc);
SAM("ERROR: start_100() returned %i\n", rc);
return -EFAULT;
}
peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1;
......@@ -314,7 +335,7 @@ peasycap->audio_eof = 0;
do_gettimeofday(&peasycap->timeval7);
JOT(4, "finished initialization\n");
JOM(4, "finished initialization\n");
return 0;
}
/*****************************************************************************/
......@@ -324,33 +345,25 @@ submit_video_urbs(struct easycap *peasycap)
struct data_urb *pdata_urb;
struct urb *purb;
struct list_head *plist_head;
int j, isbad, m, rc;
int j, isbad, nospc, m, rc;
int isbuf;
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct list_head *)NULL == peasycap->purb_video_head) {
SAY("ERROR: peasycap->urb_video_head uninitialized\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
return -ENODEV;
}
if (!peasycap->video_isoc_streaming) {
JOT(4, "submission of all video urbs\n");
if (0 != ready_saa(peasycap->pusb_device)) {
SAY("ERROR: not ready to capture after waiting " \
"one second\n");
SAY("..... continuing anyway\n");
}
isbad = 0; m = 0;
JOM(4, "submission of all video urbs\n");
isbad = 0; nospc = 0; m = 0;
list_for_each(plist_head, (peasycap->purb_video_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
if (NULL != pdata_urb) {
......@@ -387,43 +400,56 @@ if (!peasycap->video_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_KERNEL);
if (0 != rc) {
isbad++;
SAY("ERROR: usb_submit_urb() failed " \
SAM("ERROR: usb_submit_urb() failed " \
"for urb with rc:\n");
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n");
SAM("ERROR: -ENOMEM=" \
"usb_submit_urb()\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n");
SAM("ERROR: -ENODEV=" \
"usb_submit_urb()\n");
break;
}
case -ENXIO: {
SAY("ENXIO\n");
SAM("ERROR: -ENXIO=" \
"usb_submit_urb()\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n");
SAM("ERROR: -EINVAL=" \
"usb_submit_urb()\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n");
SAM("ERROR: -EAGAIN=" \
"usb_submit_urb()\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n");
SAM("ERROR: -EFBIG=" \
"usb_submit_urb()\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n");
SAM("ERROR: -EPIPE=" \
"usb_submit_urb()\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n");
SAM("ERROR: -EMSGSIZE=" \
"usb_submit_urb()\n");
break;
}
case -ENOSPC: {
nospc++;
break;
}
default: {
SAY("unknown error code %i\n",\
SAM("ERROR: %i=" \
"usb_submit_urb()\n",\
rc);
break;
}
......@@ -438,8 +464,14 @@ if (!peasycap->video_isoc_streaming) {
isbad++;
}
}
if (nospc) {
SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
SAM("..... possibly inadequate USB bandwidth\n");
peasycap->video_eof = 1;
}
if (isbad) {
JOT(4, "attempting cleanup instead of submitting\n");
JOM(4, "attempting cleanup instead of submitting\n");
list_for_each(plist_head, (peasycap->purb_video_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, \
list_head);
......@@ -452,16 +484,10 @@ if (!peasycap->video_isoc_streaming) {
peasycap->video_isoc_streaming = 0;
} else {
peasycap->video_isoc_streaming = 1;
JOT(4, "submitted %i video urbs\n", m);
JOM(4, "submitted %i video urbs\n", m);
}
} else {
JOT(4, "already streaming video urbs\n");
JOM(4, "already streaming video urbs\n");
}
return 0;
}
......@@ -478,12 +504,9 @@ if ((struct easycap *)NULL == peasycap) {
return -EFAULT;
}
if (peasycap->video_isoc_streaming) {
if ((struct list_head *)NULL != peasycap->purb_video_head) {
peasycap->video_isoc_streaming = 0;
JOT(4, "killing video urbs\n");
JOM(4, "killing video urbs\n");
m = 0;
list_for_each(plist_head, (peasycap->purb_video_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, \
......@@ -495,13 +518,13 @@ if (peasycap->video_isoc_streaming) {
}
}
}
JOT(4, "%i video urbs killed\n", m);
JOM(4, "%i video urbs killed\n", m);
} else {
SAY("ERROR: peasycap->purb_video_head is NULL\n");
SAM("ERROR: peasycap->purb_video_head is NULL\n");
return -EFAULT;
}
} else {
JOT(8, "%i=video_isoc_streaming, no video urbs killed\n", \
JOM(8, "%i=video_isoc_streaming, no video urbs killed\n", \
peasycap->video_isoc_streaming);
}
return 0;
......@@ -532,10 +555,10 @@ if (NULL == peasycap) {
return -EFAULT;
}
if (0 != kill_video_urbs(peasycap)) {
SAY("ERROR: kill_video_urbs() failed\n");
SAM("ERROR: kill_video_urbs() failed\n");
return -EFAULT;
}
JOT(4, "ending successfully\n");
JOM(4, "ending successfully\n");
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
#
......@@ -548,52 +571,28 @@ return 0;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
int
videodev_release(struct video_device *pvd)
videodev_release(struct video_device *pvideo_device)
{
struct easycap *peasycap;
int i, j, k;
JOT(4, "\n");
k = 0;
for (i = 0; i < video_device_many; i++) {
pvideo_device = pvideo_array[i];
if ((struct video_device *)NULL != pvideo_device) {
if (pvd->minor == pvideo_device->minor) {
peasycap = (struct easycap *)\
video_get_drvdata(pvideo_device);
if ((struct easycap *)NULL == peasycap) {
peasycap = video_get_drvdata(pvideo_device);
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
SAY("ending unsuccessfully\n");
return -EFAULT;
}
if (0 != kill_video_urbs(peasycap)) {
SAY("ERROR: kill_video_urbs() failed\n");
return -EFAULT;
}
JOT(4, "freeing video_device structure: " \
"/dev/video%i\n", i);
kfree((void *)pvideo_device);
for (j = i; j < (VIDEO_DEVICE_MANY - 1); j++)
pvideo_array[j] = pvideo_array[j + 1];
video_device_many--; k++;
break;
}
}
}
if (!k) {
SAY("ERROR: lost video_device structure for %i=minor\n", pvd->minor);
SAY("cannot free: may cause memory leak\n");
SAY("ending unsuccessfully\n");
if (0 != kill_video_urbs(peasycap)) {
SAM("ERROR: kill_video_urbs() failed\n");
return -EFAULT;
}
JOT(4, "ending successfully\n");
JOM(4, "ending successfully\n");
return 0;
}
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/****************************************************************************/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/*****************************************************************************/
/*--------------------------------------------------------------------------*/
/*
* THIS FUNCTION IS CALLED FROM WITHIN easycap_usb_disconnect().
......@@ -616,7 +615,7 @@ JOT(4, "\n");
peasycap = container_of(pkref, struct easycap, kref);
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap is NULL: cannot perform deletions\n");
SAM("ERROR: peasycap is NULL: cannot perform deletions\n");
return;
}
/*---------------------------------------------------------------------------*/
......@@ -625,12 +624,12 @@ if ((struct easycap *)NULL == peasycap) {
*/
/*---------------------------------------------------------------------------*/
if ((struct list_head *)NULL != peasycap->purb_video_head) {
JOT(4, "freeing video urbs\n");
JOM(4, "freeing video urbs\n");
m = 0;
list_for_each(plist_head, (peasycap->purb_video_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
if (NULL == pdata_urb)
JOT(4, "ERROR: pdata_urb is NULL\n");
JOM(4, "ERROR: pdata_urb is NULL\n");
else {
if ((struct urb *)NULL != pdata_urb->purb) {
usb_free_urb(pdata_urb->purb);
......@@ -641,9 +640,9 @@ if ((struct list_head *)NULL != peasycap->purb_video_head) {
}
}
JOT(4, "%i video urbs freed\n", m);
JOM(4, "%i video urbs freed\n", m);
/*---------------------------------------------------------------------------*/
JOT(4, "freeing video data_urb structures.\n");
JOM(4, "freeing video data_urb structures.\n");
m = 0;
list_for_each_safe(plist_head, plist_next, peasycap->purb_video_head) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
......@@ -654,14 +653,14 @@ if ((struct list_head *)NULL != peasycap->purb_video_head) {
m++;
}
}
JOT(4, "%i video data_urb structures freed\n", m);
JOT(4, "setting peasycap->purb_video_head=NULL\n");
JOM(4, "%i video data_urb structures freed\n", m);
JOM(4, "setting peasycap->purb_video_head=NULL\n");
peasycap->purb_video_head = (struct list_head *)NULL;
} else {
JOT(4, "peasycap->purb_video_head is NULL\n");
JOM(4, "peasycap->purb_video_head is NULL\n");
}
/*---------------------------------------------------------------------------*/
JOT(4, "freeing video isoc buffers.\n");
JOM(4, "freeing video isoc buffers.\n");
m = 0;
for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
if ((void *)NULL != peasycap->video_isoc_buffer[k].pgo) {
......@@ -674,9 +673,9 @@ for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
m++;
}
}
JOT(4, "isoc video buffers freed: %i pages\n", m * (0x01 << VIDEO_ISOC_ORDER));
JOM(4, "isoc video buffers freed: %i pages\n", m * (0x01 << VIDEO_ISOC_ORDER));
/*---------------------------------------------------------------------------*/
JOT(4, "freeing video field buffers.\n");
JOM(4, "freeing video field buffers.\n");
lost = 0;
for (k = 0; k < FIELD_BUFFER_MANY; k++) {
for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
......@@ -689,9 +688,9 @@ for (k = 0; k < FIELD_BUFFER_MANY; k++) {
}
}
}
JOT(4, "video field buffers freed: %i pages\n", lost);
JOM(4, "video field buffers freed: %i pages\n", lost);
/*---------------------------------------------------------------------------*/
JOT(4, "freeing video frame buffers.\n");
JOM(4, "freeing video frame buffers.\n");
lost = 0;
for (k = 0; k < FRAME_BUFFER_MANY; k++) {
for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
......@@ -704,19 +703,19 @@ for (k = 0; k < FRAME_BUFFER_MANY; k++) {
}
}
}
JOT(4, "video frame buffers freed: %i pages\n", lost);
JOM(4, "video frame buffers freed: %i pages\n", lost);
/*---------------------------------------------------------------------------*/
/*
* FREE AUDIO.
*/
/*---------------------------------------------------------------------------*/
if ((struct list_head *)NULL != peasycap->purb_audio_head) {
JOT(4, "freeing audio urbs\n");
JOM(4, "freeing audio urbs\n");
m = 0;
list_for_each(plist_head, (peasycap->purb_audio_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
if (NULL == pdata_urb)
JOT(4, "ERROR: pdata_urb is NULL\n");
JOM(4, "ERROR: pdata_urb is NULL\n");
else {
if ((struct urb *)NULL != pdata_urb->purb) {
usb_free_urb(pdata_urb->purb);
......@@ -726,9 +725,9 @@ if ((struct list_head *)NULL != peasycap->purb_audio_head) {
}
}
}
JOT(4, "%i audio urbs freed\n", m);
JOM(4, "%i audio urbs freed\n", m);
/*---------------------------------------------------------------------------*/
JOT(4, "freeing audio data_urb structures.\n");
JOM(4, "freeing audio data_urb structures.\n");
m = 0;
list_for_each_safe(plist_head, plist_next, peasycap->purb_audio_head) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
......@@ -739,14 +738,14 @@ if ((struct list_head *)NULL != peasycap->purb_audio_head) {
m++;
}
}
JOT(4, "%i audio data_urb structures freed\n", m);
JOT(4, "setting peasycap->purb_audio_head=NULL\n");
JOM(4, "%i audio data_urb structures freed\n", m);
JOM(4, "setting peasycap->purb_audio_head=NULL\n");
peasycap->purb_audio_head = (struct list_head *)NULL;
} else {
JOT(4, "peasycap->purb_audio_head is NULL\n");
JOM(4, "peasycap->purb_audio_head is NULL\n");
}
/*---------------------------------------------------------------------------*/
JOT(4, "freeing audio isoc buffers.\n");
JOM(4, "freeing audio isoc buffers.\n");
m = 0;
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
if ((void *)NULL != peasycap->audio_isoc_buffer[k].pgo) {
......@@ -759,10 +758,10 @@ for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
m++;
}
}
JOT(4, "easysnd_delete(): isoc audio buffers freed: %i pages\n", \
JOM(4, "easysnd_delete(): isoc audio buffers freed: %i pages\n", \
m * (0x01 << AUDIO_ISOC_ORDER));
/*---------------------------------------------------------------------------*/
JOT(4, "freeing audio buffers.\n");
JOM(4, "freeing audio buffers.\n");
lost = 0;
for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
if ((void *)NULL != peasycap->audio_buffer[k].pgo) {
......@@ -772,9 +771,9 @@ for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
lost++;
}
}
JOT(4, "easysnd_delete(): audio buffers freed: %i pages\n", lost);
JOM(4, "easysnd_delete(): audio buffers freed: %i pages\n", lost);
/*---------------------------------------------------------------------------*/
JOT(4, "freeing easycap structure.\n");
JOM(4, "freeing easycap structure.\n");
allocation_video_urb = peasycap->allocation_video_urb;
allocation_video_page = peasycap->allocation_video_page;
allocation_video_struct = peasycap->allocation_video_struct;
......@@ -861,7 +860,7 @@ while ((peasycap->field_read == peasycap->field_fill) || \
if (mode)
return -EAGAIN;
JOT(8, "first wait on wq_video, " \
JOM(8, "first wait on wq_video, " \
"%i=field_read %i=field_fill\n", \
peasycap->field_read, peasycap->field_fill);
......@@ -873,25 +872,25 @@ while ((peasycap->field_read == peasycap->field_fill) || \
[peasycap->field_read][0].kount)) && \
(0 == (0x00FF & peasycap->field_buffer\
[peasycap->field_read][0].kount))))))){
SAY("aborted by signal\n");
SAM("aborted by signal\n");
return -EIO;
}
if (peasycap->video_idle) {
JOT(8, "%i=peasycap->video_idle\n", peasycap->video_idle);
JOM(8, "%i=peasycap->video_idle\n", peasycap->video_idle);
return -EIO;
}
if (peasycap->video_eof) {
JOT(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
kill_video_urbs(peasycap);
return -EIO;
}
miss++;
}
JOT(8, "first awakening on wq_video after %i waits\n", miss);
JOM(8, "first awakening on wq_video after %i waits\n", miss);
rc = field2frame(peasycap);
if (0 != rc)
SAY("ERROR: field2frame() returned %i\n", rc);
SAM("ERROR: field2frame() returned %i\n", rc);
if (true == peasycap->offerfields) {
peasycap->frame_read = peasycap->frame_fill;
......@@ -906,8 +905,8 @@ if (true == peasycap->offerfields) {
peasycap->frame_buffer[peasycap->frame_read][0].kount = \
V4L2_FIELD_TOP;
}
JOT(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
JOT(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
}
/*---------------------------------------------------------------------------*/
/*
......@@ -923,7 +922,7 @@ while ((peasycap->field_read == peasycap->field_fill) || \
if (mode)
return -EAGAIN;
JOT(8, "second wait on wq_video, " \
JOM(8, "second wait on wq_video, " \
"%i=field_read %i=field_fill\n", \
peasycap->field_read, peasycap->field_fill);
msleep(1);
......@@ -934,25 +933,25 @@ while ((peasycap->field_read == peasycap->field_fill) || \
[peasycap->field_read][0].kount)) && \
(0 != (0x00FF & peasycap->field_buffer\
[peasycap->field_read][0].kount))))))){
SAY("aborted by signal\n");
SAM("aborted by signal\n");
return -EIO;
}
if (peasycap->video_idle) {
JOT(8, "%i=peasycap->video_idle\n", peasycap->video_idle);
JOM(8, "%i=peasycap->video_idle\n", peasycap->video_idle);
return -EIO;
}
if (peasycap->video_eof) {
JOT(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
JOM(8, "%i=peasycap->video_eof\n", peasycap->video_eof);
kill_video_urbs(peasycap);
return -EIO;
}
miss++;
}
JOT(8, "second awakening on wq_video after %i waits\n", miss);
JOM(8, "second awakening on wq_video after %i waits\n", miss);
rc = field2frame(peasycap);
if (0 != rc)
SAY("ERROR: field2frame() returned %i\n", rc);
SAM("ERROR: field2frame() returned %i\n", rc);
peasycap->frame_read = peasycap->frame_fill;
peasycap->queued[peasycap->frame_read] = 0;
......@@ -970,8 +969,8 @@ if (0x01 & easycap_standard[peasycap->standard_offset].mask) {
V4L2_FIELD_BOTTOM;
}
JOT(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
JOT(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
JOM(8, "setting: %i=peasycap->frame_read\n", peasycap->frame_read);
JOM(8, "bumped to: %i=peasycap->frame_fill\n", peasycap->frame_fill);
return 0;
}
......@@ -992,7 +991,6 @@ return 0;
int
field2frame(struct easycap *peasycap)
{
static struct timeval timeval0;
struct timeval timeval;
long long int above, below;
__u32 remainder;
......@@ -1005,12 +1003,17 @@ int rc, bytesperpixel, multiplier, much, more, over, rump, caches;
__u8 mask, margin;
bool odd, isuy, decimatepixel, offerfields;
JOT(8, "===== parity %i, field buffer %i --> frame buffer %i\n", \
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
JOM(8, "===== parity %i, field buffer %i --> frame buffer %i\n", \
peasycap->field_buffer[peasycap->field_read][0].kount,\
peasycap->field_read, peasycap->frame_fill);
JOT(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
JOM(8, "===== %i=bytesperpixel\n", peasycap->bytesperpixel);
if (true == peasycap->offerfields)
JOT(8, "===== offerfields\n");
JOM(8, "===== offerfields\n");
/*---------------------------------------------------------------------------*/
/*
......@@ -1018,7 +1021,7 @@ if (true == peasycap->offerfields)
*/
/*---------------------------------------------------------------------------*/
if (peasycap->field_read == peasycap->field_fill) {
SAY("ERROR: on entry, still filling field buffer %i\n", \
SAM("ERROR: on entry, still filling field buffer %i\n", \
peasycap->field_read);
return 0;
}
......@@ -1037,7 +1040,7 @@ decimatepixel = peasycap->decimatepixel;
if ((2 != bytesperpixel) && \
(3 != bytesperpixel) && \
(4 != bytesperpixel)) {
SAY("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
return -EFAULT;
}
if (true == decimatepixel)
......@@ -1065,7 +1068,7 @@ else
odd = false;
if ((true == odd) && (false == offerfields) &&(false == decimatepixel)) {
JOT(8, " initial skipping %4i bytes p.%4i\n", \
JOM(8, " initial skipping %4i bytes p.%4i\n", \
w3/multiplier, mad);
pad += (w3 / multiplier); rad -= (w3 / multiplier);
}
......@@ -1090,7 +1093,7 @@ while (cz < wz) {
rump = 0;
if (much % 2) {
SAY("MISTAKE: much is odd\n");
SAM("MISTAKE: much is odd\n");
return -EFAULT;
}
......@@ -1127,7 +1130,7 @@ while (cz < wz) {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
} else {
SAY("MISTAKE: %i=bytesperpixel\n", \
SAM("MISTAKE: %i=bytesperpixel\n", \
bytesperpixel);
return -EFAULT;
}
......@@ -1138,7 +1141,7 @@ while (cz < wz) {
rc = redaub(peasycap, pad, pex, much, more, \
mask, margin, isuy);
if (0 > rc) {
SAY("ERROR: redaub() failed\n");
SAM("ERROR: redaub() failed\n");
return -EFAULT;
}
if (much % 4) {
......@@ -1206,7 +1209,7 @@ while (cz < wz) {
rump = 0;
if (much % 2) {
SAY("MISTAKE: much is odd\n");
SAM("MISTAKE: much is odd\n");
return -EFAULT;
}
......@@ -1243,7 +1246,7 @@ while (cz < wz) {
}
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
} else {
SAY("MISTAKE: %i=bytesperpixel\n", \
SAM("MISTAKE: %i=bytesperpixel\n", \
bytesperpixel);
return -EFAULT;
}
......@@ -1254,7 +1257,7 @@ while (cz < wz) {
rc = redaub(peasycap, pad, pex, much, more, \
mask, margin, isuy);
if (0 > rc) {
SAY("ERROR: redaub() failed\n");
SAM("ERROR: redaub() failed\n");
return -EFAULT;
}
over -= much; cz += much;
......@@ -1307,39 +1310,39 @@ while (cz < wz) {
/*---------------------------------------------------------------------------*/
c2 = (mex + 1)*PAGE_SIZE - rex;
if (cz != c2)
SAY("ERROR: discrepancy %i in bytes read\n", c2 - cz);
SAM("ERROR: discrepancy %i in bytes read\n", c2 - cz);
c3 = (mad + 1)*PAGE_SIZE - rad;
if (false == decimatepixel) {
if (bytesperpixel * \
cz != c3) \
SAY("ERROR: discrepancy %i in bytes written\n", \
SAM("ERROR: discrepancy %i in bytes written\n", \
c3 - (bytesperpixel * \
cz));
} else {
if (false == odd) {
if (bytesperpixel * \
cz != (4 * c3))
SAY("ERROR: discrepancy %i in bytes written\n", \
SAM("ERROR: discrepancy %i in bytes written\n", \
(2*c3)-(bytesperpixel * \
cz));
} else {
if (0 != c3)
SAY("ERROR: discrepancy %i " \
SAM("ERROR: discrepancy %i " \
"in bytes written\n", c3);
}
}
if (rump)
SAY("ERROR: undischarged cache at end of line in frame buffer\n");
SAM("WORRY: undischarged cache at end of line in frame buffer\n");
JOT(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
JOT(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
JOM(8, "===== field2frame(): %i bytes --> %i bytes (incl skip)\n", c2, c3);
JOM(8, "===== field2frame(): %i=mad %i=rad\n", mad, rad);
if (true == odd)
JOT(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
JOM(8, "+++++ field2frame(): frame buffer %i is full\n", kad);
if (peasycap->field_read == peasycap->field_fill)
SAY("WARNING: on exit, filling field buffer %i\n", \
SAM("WARNING: on exit, filling field buffer %i\n", \
peasycap->field_read);
/*---------------------------------------------------------------------------*/
/*
......@@ -1347,23 +1350,24 @@ if (peasycap->field_read == peasycap->field_fill)
*/
/*---------------------------------------------------------------------------*/
do_gettimeofday(&timeval);
if (timeval0.tv_sec) {
if (peasycap->timeval6.tv_sec) {
below = ((long long int)(1000000)) * \
((long long int)(timeval.tv_sec - timeval0.tv_sec)) + \
(long long int)(timeval.tv_usec - timeval0.tv_usec);
((long long int)(timeval.tv_sec - \
peasycap->timeval6.tv_sec)) + \
(long long int)(timeval.tv_usec - peasycap->timeval6.tv_usec);
above = (long long int)1000000;
sdr = signed_div(above, below);
above = sdr.quotient;
remainder = (__u32)sdr.remainder;
JOT(8, "video streaming at %3lli.%03i fields per second\n", above, \
JOM(8, "video streaming at %3lli.%03i fields per second\n", above, \
(remainder/1000));
}
timeval0 = timeval;
peasycap->timeval6 = timeval;
if (caches)
JOT(8, "%i=caches\n", caches);
JOM(8, "%i=caches\n", caches);
return 0;
}
/*****************************************************************************/
......@@ -1416,7 +1420,7 @@ redaub(struct easycap *peasycap, void *pad, void *pex, int much, int more, \
__u8 mask, __u8 margin, bool isuy)
{
static __s32 ay[256], bu[256], rv[256], gu[256], gv[256];
static __u8 cache[8], *pcache;
__u8 *pcache;
__u8 r, g, b, y, u, v, c, *p2, *p3, *pz, *pr;
int bytesperpixel;
bool byteswaporder, decimatepixel, last;
......@@ -1424,7 +1428,7 @@ int j, rump;
__s32 s32;
if (much % 2) {
SAY("MISTAKE: much is odd\n");
SAM("MISTAKE: much is odd\n");
return -EFAULT;
}
bytesperpixel = peasycap->bytesperpixel;
......@@ -1457,30 +1461,31 @@ if (!bu[255]) {
ay[j] = ay[16];
for (j = 236; j < 256; j++)
ay[j] = ay[235];
JOT(8, "lookup tables are prepared\n");
JOM(8, "lookup tables are prepared\n");
}
if ((__u8 *)NULL == pcache)
pcache = &cache[0];
pcache = peasycap->pcache;
if (NULL == pcache)
pcache = &peasycap->cache[0];
/*---------------------------------------------------------------------------*/
/*
* TRANSFER CONTENTS OF CACHE TO THE FRAME BUFFER
*/
/*---------------------------------------------------------------------------*/
if (!pcache) {
SAY("MISTAKE: pcache is NULL\n");
SAM("MISTAKE: pcache is NULL\n");
return -EFAULT;
}
if (pcache != &cache[0])
JOT(16, "cache has %i bytes\n", (int)(pcache - &cache[0]));
p2 = &cache[0];
p3 = (__u8 *)pad - (int)(pcache - &cache[0]);
if (pcache != &peasycap->cache[0])
JOM(16, "cache has %i bytes\n", (int)(pcache - &peasycap->cache[0]));
p2 = &peasycap->cache[0];
p3 = (__u8 *)pad - (int)(pcache - &peasycap->cache[0]);
while (p2 < pcache) {
*p3++ = *p2; p2++;
}
pcache = &cache[0];
pcache = &peasycap->cache[0];
if (p3 != pad) {
SAY("MISTAKE: pointer misalignment\n");
SAM("MISTAKE: pointer misalignment\n");
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
......@@ -1495,7 +1500,7 @@ else
v = *(p2 - 1);
if (rump)
JOT(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
JOM(16, "%4i=much %4i=more %i=rump\n", much, more, rump);
/*---------------------------------------------------------------------------*/
switch (bytesperpixel) {
......@@ -1601,7 +1606,7 @@ case 3:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = r;
......@@ -1616,7 +1621,7 @@ case 3:
break;
}
default: {
SAY("MISTAKE: %i=rump\n", \
SAM("MISTAKE: %i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
}
......@@ -1674,7 +1679,7 @@ case 3:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = b;
......@@ -1689,7 +1694,7 @@ case 3:
break;
}
default: {
SAY("MISTAKE: %i=rump\n", \
SAM("MISTAKE: %i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
}
......@@ -1750,7 +1755,7 @@ case 3:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = r;
......@@ -1765,7 +1770,7 @@ case 3:
break;
}
default: {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"%i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
......@@ -1826,7 +1831,7 @@ case 3:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = b;
......@@ -1841,7 +1846,7 @@ case 3:
break;
}
default: {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"%i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
......@@ -1906,7 +1911,7 @@ case 4:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = r;
......@@ -1930,7 +1935,7 @@ case 4:
break;
}
default: {
SAY("MISTAKE: %i=rump\n", \
SAM("MISTAKE: %i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
}
......@@ -1988,7 +1993,7 @@ case 4:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = b;
......@@ -2012,7 +2017,7 @@ case 4:
break;
}
default: {
SAY("MISTAKE: %i=rump\n", \
SAM("MISTAKE: %i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
}
......@@ -2075,7 +2080,7 @@ case 4:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = r;
......@@ -2099,7 +2104,7 @@ case 4:
break;
}
default: {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"%i=rump\n", \
bytesperpixel - \
rump);
......@@ -2160,7 +2165,7 @@ case 4:
0 : (__u8)s32);
if ((true == last) && rump) {
pcache = &cache[0];
pcache = &peasycap->cache[0];
switch (bytesperpixel - rump) {
case 1: {
*p3 = b;
......@@ -2184,7 +2189,7 @@ case 4:
break;
}
default: {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"%i=rump\n", \
bytesperpixel - rump);
return -EFAULT;
......@@ -2208,7 +2213,7 @@ case 4:
break;
}
default: {
SAY("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
SAM("MISTAKE: %i=bytesperpixel\n", bytesperpixel);
return -EFAULT;
}
}
......@@ -2305,19 +2310,19 @@ if (NULL == peasycap) {
/*---------------------------------------------------------------------------*/
pbuf = peasycap->frame_buffer[k][m].pgo;
if (NULL == pbuf) {
SAY("ERROR: pbuf is NULL\n");
SAM("ERROR: pbuf is NULL\n");
goto finish;
}
page = virt_to_page(pbuf);
if (NULL == page) {
SAY("ERROR: page is NULL\n");
SAM("ERROR: page is NULL\n");
goto finish;
}
get_page(page);
/*---------------------------------------------------------------------------*/
finish:
if (NULL == page) {
SAY("ERROR: page is NULL after get_page(page)\n");
SAM("ERROR: page is NULL after get_page(page)\n");
} else {
pvmf->page = page;
retcode = VM_FAULT_MINOR;
......@@ -2353,7 +2358,6 @@ return retcode;
void
easycap_complete(struct urb *purb)
{
static int mt;
struct easycap *peasycap;
struct data_buffer *pfield_buffer;
char errbuf[16];
......@@ -2379,64 +2383,64 @@ if (peasycap->video_eof)
for (i = 0; i < VIDEO_ISOC_BUFFER_MANY; i++)
if (purb->transfer_buffer == peasycap->video_isoc_buffer[i].pgo)
break;
JOT(16, "%2i=urb\n", i);
JOM(16, "%2i=urb\n", i);
last = peasycap->video_isoc_sequence;
if ((((VIDEO_ISOC_BUFFER_MANY - 1) == last) && \
(0 != i)) || \
(((VIDEO_ISOC_BUFFER_MANY - 1) != last) && \
((last + 1) != i))) {
SAY("ERROR: out-of-order urbs %i,%i ... continuing\n", last, i);
SAM("ERROR: out-of-order urbs %i,%i ... continuing\n", last, i);
}
peasycap->video_isoc_sequence = i;
if (peasycap->video_idle) {
JOT(16, "%i=video_idle %i=video_isoc_streaming\n", \
JOM(16, "%i=video_idle %i=video_isoc_streaming\n", \
peasycap->video_idle, peasycap->video_isoc_streaming);
if (peasycap->video_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
SAY("ERROR: while %i=video_idle, " \
SAM("ERROR: while %i=video_idle, " \
"usb_submit_urb() failed with rc:\n", \
peasycap->video_idle);
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n");
SAM("ENOMEM\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n");
SAM("ENODEV\n");
break;
}
case -ENXIO: {
SAY("ENXIO\n");
SAM("ENXIO\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n");
SAM("EINVAL\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n");
SAM("EAGAIN\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n");
SAM("EFBIG\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n");
SAM("EPIPE\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n");
SAM("EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAY("ENOSPC\n");
SAM("ENOSPC\n");
break;
}
default: {
SAY("0x%08X\n", rc);
SAM("0x%08X\n", rc);
break;
}
}
......@@ -2447,80 +2451,80 @@ return;
override = 0;
/*---------------------------------------------------------------------------*/
if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
SAY("ERROR: bad peasycap->field_fill\n");
SAM("ERROR: bad peasycap->field_fill\n");
return;
}
if (purb->status) {
if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
JOT(8, "urb status -ESHUTDOWN or -ENOENT\n");
JOM(8, "urb status -ESHUTDOWN or -ENOENT\n");
return;
}
(peasycap->field_buffer[peasycap->field_fill][0].kount) |= 0x8000 ;
SAY("ERROR: bad urb status:\n");
SAM("ERROR: bad urb status:\n");
switch (purb->status) {
case -EINPROGRESS: {
SAY("-EINPROGRESS\n"); break;
SAM("-EINPROGRESS\n"); break;
}
case -ENOSR: {
SAY("-ENOSR\n"); break;
SAM("-ENOSR\n"); break;
}
case -EPIPE: {
SAY("-EPIPE\n"); break;
SAM("-EPIPE\n"); break;
}
case -EOVERFLOW: {
SAY("-EOVERFLOW\n"); break;
SAM("-EOVERFLOW\n"); break;
}
case -EPROTO: {
SAY("-EPROTO\n"); break;
SAM("-EPROTO\n"); break;
}
case -EILSEQ: {
SAY("-EILSEQ\n"); break;
SAM("-EILSEQ\n"); break;
}
case -ETIMEDOUT: {
SAY("-ETIMEDOUT\n"); break;
SAM("-ETIMEDOUT\n"); break;
}
case -EMSGSIZE: {
SAY("-EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n"); break;
}
case -EOPNOTSUPP: {
SAY("-EOPNOTSUPP\n"); break;
SAM("-EOPNOTSUPP\n"); break;
}
case -EPFNOSUPPORT: {
SAY("-EPFNOSUPPORT\n"); break;
SAM("-EPFNOSUPPORT\n"); break;
}
case -EAFNOSUPPORT: {
SAY("-EAFNOSUPPORT\n"); break;
SAM("-EAFNOSUPPORT\n"); break;
}
case -EADDRINUSE: {
SAY("-EADDRINUSE\n"); break;
SAM("-EADDRINUSE\n"); break;
}
case -EADDRNOTAVAIL: {
SAY("-EADDRNOTAVAIL\n"); break;
SAM("-EADDRNOTAVAIL\n"); break;
}
case -ENOBUFS: {
SAY("-ENOBUFS\n"); break;
SAM("-ENOBUFS\n"); break;
}
case -EISCONN: {
SAY("-EISCONN\n"); break;
SAM("-EISCONN\n"); break;
}
case -ENOTCONN: {
SAY("-ENOTCONN\n"); break;
SAM("-ENOTCONN\n"); break;
}
case -ESHUTDOWN: {
SAY("-ESHUTDOWN\n"); break;
SAM("-ESHUTDOWN\n"); break;
}
case -ENOENT: {
SAY("-ENOENT\n"); break;
SAM("-ENOENT\n"); break;
}
case -ECONNRESET: {
SAY("-ECONNRESET\n"); break;
SAM("-ECONNRESET\n"); break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("ENOSPC\n"); break;
}
default: {
SAY("unknown error code 0x%08X\n", purb->status); break;
SAM("unknown error code 0x%08X\n", purb->status); break;
}
}
/*---------------------------------------------------------------------------*/
......@@ -2579,7 +2583,7 @@ if (purb->status) {
strcpy(&errbuf[0], "-ECONNRESET"); break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("ENOSPC\n"); break;
}
case -ESHUTDOWN: {
strcpy(&errbuf[0], "-ESHUTDOWN"); break;
......@@ -2594,7 +2598,7 @@ if (purb->status) {
frameactual = purb->iso_frame_desc[i].actual_length;
frameoffset = purb->iso_frame_desc[i].offset;
JOT(16, "frame[%2i]:" \
JOM(16, "frame[%2i]:" \
"%4i=status " \
"%4i=actual " \
"%4i=length " \
......@@ -2608,19 +2612,20 @@ if (purb->status) {
PAGE_SIZE) + \
(int)(pfield_buffer->pto - pfield_buffer->pgo);
if (4 == more)
mt++;
peasycap->video_mt++;
if (4 < more) {
if (mt) {
JOT(8, "%4i empty video urb frames\n", mt);
mt = 0;
if (peasycap->video_mt) {
JOM(8, "%4i empty video urb frames\n", \
peasycap->video_mt);
peasycap->video_mt = 0;
}
if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
SAY("ERROR: bad peasycap->field_fill\n");
SAM("ERROR: bad peasycap->field_fill\n");
return;
}
if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \
peasycap->field_page) {
SAY("ERROR: bad peasycap->field_page\n");
SAM("ERROR: bad peasycap->field_page\n");
return;
}
pfield_buffer = &peasycap->field_buffer\
......@@ -2653,11 +2658,11 @@ if (purb->status) {
peasycap->videofieldamount) {
if (2 == videofieldamount - \
peasycap->\
videofieldamount)
videofieldamount) {
(peasycap->field_buffer\
[peasycap->field_fill]\
[0].kount) |= 0x0100;
else
} else
(peasycap->field_buffer\
[peasycap->field_fill]\
[0].kount) |= 0x4000;
......@@ -2689,15 +2694,15 @@ if (purb->status) {
pfield_buffer->pto = \
pfield_buffer->pgo;
JOT(8, "bumped to: %i=peasycap->" \
JOM(8, "bumped to: %i=peasycap->" \
"field_fill %i=parity\n", \
peasycap->field_fill, \
0x00FF & pfield_buffer->kount);
JOT(8, "field buffer %i has %i " \
JOM(8, "field buffer %i has %i " \
"bytes fit to be read\n", \
peasycap->field_read, \
videofieldamount);
JOT(8, "wakeup call to wq_video, " \
JOM(8, "wakeup call to wq_video, " \
"%i=field_read %i=field_fill "\
"%i=parity\n", \
peasycap->field_read, \
......@@ -2710,7 +2715,7 @@ if (purb->status) {
do_gettimeofday(&peasycap->timeval7);
} else {
peasycap->video_junk++;
JOT(8, "field buffer %i had %i " \
JOM(8, "field buffer %i had %i " \
"bytes, now discarded\n", \
peasycap->field_fill, \
videofieldamount);
......@@ -2728,20 +2733,20 @@ if (purb->status) {
pfield_buffer->pto = \
pfield_buffer->pgo;
JOT(8, "bumped to: %i=peasycap->" \
JOM(8, "bumped to: %i=peasycap->" \
"field_fill %i=parity\n", \
peasycap->field_fill, \
0x00FF & pfield_buffer->kount);
}
if (8 == more) {
JOT(8, "end-of-field: received " \
JOM(8, "end-of-field: received " \
"parity byte 0x%02X\n", \
(0xFF & *pu));
if (0x40 & *pu)
pfield_buffer->kount = 0x0000;
else
pfield_buffer->kount = 0x0001;
JOT(8, "end-of-field: 0x%02X=kount\n",\
JOM(8, "end-of-field: 0x%02X=kount\n",\
0xFF & pfield_buffer->kount);
}
}
......@@ -2754,12 +2759,12 @@ if (purb->status) {
more -= leap;
if (FIELD_BUFFER_MANY <= peasycap->field_fill) {
SAY("ERROR: bad peasycap->field_fill\n");
SAM("ERROR: bad peasycap->field_fill\n");
return;
}
if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \
peasycap->field_page) {
SAY("ERROR: bad peasycap->field_page\n");
SAM("ERROR: bad peasycap->field_page\n");
return;
}
pfield_buffer = &peasycap->field_buffer\
......@@ -2770,7 +2775,7 @@ if (purb->status) {
[peasycap->field_page];
if (PAGE_SIZE < (pfield_buffer->pto - \
pfield_buffer->pgo)) {
SAY("ERROR: bad pfield_buffer->pto\n");
SAM("ERROR: bad pfield_buffer->pto\n");
return;
}
if (PAGE_SIZE == (pfield_buffer->pto - \
......@@ -2778,7 +2783,7 @@ if (purb->status) {
(peasycap->field_page)++;
if (FIELD_BUFFER_SIZE/PAGE_SIZE <= \
peasycap->field_page) {
JOT(16, "wrapping peasycap->" \
JOM(16, "wrapping peasycap->" \
"field_page\n");
peasycap->field_page = 0;
}
......@@ -2813,7 +2818,7 @@ if (purb->status) {
*/
/*---------------------------------------------------------------------------*/
if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
SAY("easycap driver shutting down on condition green\n");
SAM("easycap driver shutting down on condition green\n");
peasycap->video_eof = 1;
peasycap->audio_eof = 1;
peasycap->video_junk = -VIDEO_ISOC_BUFFER_MANY;
......@@ -2824,38 +2829,38 @@ if (VIDEO_ISOC_BUFFER_MANY <= peasycap->video_junk) {
if (peasycap->video_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
SAY("ERROR: while %i=video_idle, usb_submit_urb() failed " \
SAM("ERROR: while %i=video_idle, usb_submit_urb() failed " \
"with rc:\n", peasycap->video_idle);
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n"); break;
SAM("ENOMEM\n"); break;
}
case -ENODEV: {
SAY("ENODEV\n"); break;
SAM("ENODEV\n"); break;
}
case -ENXIO: {
SAY("ENXIO\n"); break;
SAM("ENXIO\n"); break;
}
case -EINVAL: {
SAY("EINVAL\n"); break;
SAM("EINVAL\n"); break;
}
case -EAGAIN: {
SAY("EAGAIN\n"); break;
SAM("EAGAIN\n"); break;
}
case -EFBIG: {
SAY("EFBIG\n"); break;
SAM("EFBIG\n"); break;
}
case -EPIPE: {
SAY("EPIPE\n"); break;
SAM("EPIPE\n"); break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n"); break;
SAM("EMSGSIZE\n"); break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("ENOSPC\n"); break;
}
default: {
SAY("0x%08X\n", rc); break;
SAM("0x%08X\n", rc); break;
}
}
}
......@@ -2886,7 +2891,7 @@ struct usb_endpoint_descriptor *pepd;
struct usb_interface_descriptor *pusb_interface_descriptor;
struct usb_interface_assoc_descriptor *pusb_interface_assoc_descriptor;
struct urb *purb;
static struct easycap *peasycap /*=NULL*/;
struct easycap *peasycap;
struct data_urb *pdata_urb;
size_t wMaxPacketSize;
int ISOCwMaxPacketSize;
......@@ -2896,18 +2901,18 @@ int CTRLwMaxPacketSize;
__u8 bEndpointAddress;
__u8 ISOCbEndpointAddress;
__u8 INTbEndpointAddress;
int isin, i, j, k, m;
int isin, i, j, k, m, rc;
__u8 bInterfaceNumber;
__u8 bInterfaceClass;
__u8 bInterfaceSubClass;
void *pbuf;
int okalt[8], isokalt;
int okepn[8], isokepn;
int okmps[8], isokmps;
int okepn[8];
int okmps[8];
int maxpacketsize;
int rc;
JOT(4, "\n");
peasycap = (struct easycap *)NULL;
if ((struct usb_interface *)NULL == pusb_interface) {
SAY("ERROR: pusb_interface is NULL\n");
......@@ -3009,41 +3014,75 @@ JOT(4, "intf[%i]: pusb_interface_assoc_descriptor is NULL\n", \
/*
* A NEW struct easycap IS ALWAYS ALLOCATED WHEN INTERFACE 0 IS PROBED.
* IT IS NOT POSSIBLE HERE TO FREE ANY EXISTING struct easycap. THIS
* SHOULD HAVE BEEN DONE BY easycap_delete() WHEN THE DEVICE WAS PHYSICALLY
* UNPLUGGED.
*/
* SHOULD HAVE BEEN DONE BY easycap_delete() WHEN THE EasyCAP WAS
* PHYSICALLY UNPLUGGED.
*
* THE POINTER peasycap TO THE struct easycap IS REMEMBERED WHEN
* INTERFACES 1 AND 2 ARE PROBED.
*
* IF TWO EasyCAPs ARE PLUGGED IN NEARLY SIMULTANEOUSLY THERE WILL
* BE TROUBLE. BEWARE.
*/
/*---------------------------------------------------------------------------*/
if (0 == bInterfaceNumber) {
peasycap = kzalloc(sizeof(struct easycap), GFP_KERNEL);
if (NULL == peasycap) {
SAY("ERROR: Could not allocate peasycap\n");
return -ENOMEM;
} else {
}
SAM("allocated 0x%08lX=peasycap\n", (unsigned long int) peasycap);
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#if defined(EASYCAP_IS_VIDEODEV_CLIENT)
SAM("where 0x%08lX=&peasycap->video_device\n", \
(unsigned long int) &peasycap->video_device);
#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H)
SAM("and 0x%08lX=&peasycap->v4l2_device\n", \
(unsigned long int) &peasycap->v4l2_device);
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
/*---------------------------------------------------------------------------*/
/*
* PERFORM URGENT INTIALIZATIONS ...
*/
/*---------------------------------------------------------------------------*/
kref_init(&peasycap->kref);
JOM(8, "intf[%i]: after kref_init(..._video) " \
"%i=peasycap->kref.refcount.counter\n", \
bInterfaceNumber, peasycap->kref.refcount.counter);
init_waitqueue_head(&peasycap->wq_video);
init_waitqueue_head(&peasycap->wq_audio);
for (dongle_this = 0; dongle_this < DONGLE_MANY; dongle_this++) {
if ((struct easycap *)NULL == peasycap_dongle[dongle_this]) {
peasycap_dongle[dongle_this] = peasycap;
JOM(8, "intf[%i]: peasycap-->easycap" \
"_dongle[%i].peasycap\n", \
bInterfaceNumber, dongle_this);
break;
}
}
if (DONGLE_MANY <= dongle_this) {
SAM("ERROR: too many dongles\n");
return -ENOMEM;
}
peasycap->allocation_video_struct = sizeof(struct easycap);
peasycap->allocation_video_page = 0;
peasycap->allocation_video_urb = 0;
peasycap->allocation_audio_struct = 0;
peasycap->allocation_audio_page = 0;
peasycap->allocation_audio_urb = 0;
}
/*---------------------------------------------------------------------------*/
/*
* INITIALIZE THE NEW easycap STRUCTURE.
* NO PARAMETERS ARE SPECIFIED HERE REQUIRING THE SETTING OF REGISTERS.
* THAT IS DONE FIRST BY easycap_open() AND LATER BY easycap_ioctl().
*/
* ... AND FURTHER INITIALIZE THE STRUCTURE
*/
/*---------------------------------------------------------------------------*/
peasycap->pusb_device = pusb_device;
peasycap->pusb_interface = pusb_interface;
kref_init(&peasycap->kref);
JOT(8, "intf[%i]: after kref_init(..._video) " \
"%i=peasycap->kref.refcount.counter\n", \
bInterfaceNumber, peasycap->kref.refcount.counter);
init_waitqueue_head(&(peasycap->wq_video));
init_waitqueue_head(&(peasycap->wq_audio));
peasycap->ilk = 0;
peasycap->microphone = false;
......@@ -3062,6 +3101,8 @@ if (0 == bInterfaceNumber) {
peasycap->audio_isoc_buffer_size = -1;
peasycap->frame_buffer_many = FRAME_BUFFER_MANY;
peasycap->offerfields = 0;
/*---------------------------------------------------------------------------*/
/*
* DYNAMICALLY FILL IN THE AVAILABLE FORMATS.
......@@ -3069,35 +3110,46 @@ if (0 == bInterfaceNumber) {
/*---------------------------------------------------------------------------*/
rc = fillin_formats();
if (0 > rc) {
SAY("ERROR: fillin_formats() returned %i\n", rc);
SAM("ERROR: fillin_formats() returned %i\n", rc);
return -EFAULT;
}
JOT(4, "%i formats available\n", rc);
} else {
JOM(4, "%i formats available\n", rc);
JOM(4, "finished initialization\n");
} else {
/*---------------------------------------------------------------------------*/
/*
* FOR INTERFACES 1 AND 2 THE POINTER peasycap IS OBTAINED BY ASSUMING
* THAT dongle_this HAS NOT CHANGED SINCE INTERFACE 0 WAS PROBED. IF
* THIS IS NOT THE CASE, FOR EXAMPLE WHEN TWO EASYCAPs ARE PLUGGED IN
* SIMULTANEOUSLY, THERE WILL BE VERY SERIOUS TROUBLE.
*/
/*---------------------------------------------------------------------------*/
if ((0 > dongle_this) || (DONGLE_MANY <= dongle_this)) {
SAY("ERROR: bad dongle count\n");
return -EFAULT;
}
peasycap = peasycap_dongle[dongle_this];
JOT(8, "intf[%i]: peasycap_dongle[%i]-->peasycap\n", \
bInterfaceNumber, dongle_this);
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap is NULL " \
"when probing interface %i\n", \
SAY("ERROR: peasycap is NULL when probing interface %i\n", \
bInterfaceNumber);
return -EFAULT;
}
JOT(8, "kref_get() with %i=peasycap->kref.refcount.counter\n", \
(int)peasycap->kref.refcount.counter);
kref_get(&peasycap->kref);
}
/*---------------------------------------------------------------------------*/
if ((USB_CLASS_VIDEO == bInterfaceClass) || \
(USB_CLASS_VENDOR_SPEC == bInterfaceClass)) {
if (-1 == peasycap->video_interface) {
peasycap->video_interface = bInterfaceNumber;
JOT(4, "setting peasycap->video_interface=%i\n", \
JOM(4, "setting peasycap->video_interface=%i\n", \
peasycap->video_interface);
} else {
if (peasycap->video_interface != bInterfaceNumber) {
SAY("ERROR: attempting to reset " \
SAM("ERROR: attempting to reset " \
"peasycap->video_interface\n");
SAY("...... continuing with " \
SAM("...... continuing with " \
"%i=peasycap->video_interface\n", \
peasycap->video_interface);
}
......@@ -3106,13 +3158,13 @@ if ((USB_CLASS_VIDEO == bInterfaceClass) || \
(0x02 == bInterfaceSubClass)) {
if (-1 == peasycap->audio_interface) {
peasycap->audio_interface = bInterfaceNumber;
JOT(4, "setting peasycap->audio_interface=%i\n", \
JOM(4, "setting peasycap->audio_interface=%i\n", \
peasycap->audio_interface);
} else {
if (peasycap->audio_interface != bInterfaceNumber) {
SAY("ERROR: attempting to reset " \
SAM("ERROR: attempting to reset " \
"peasycap->audio_interface\n");
SAY("...... continuing with " \
SAM("...... continuing with " \
"%i=peasycap->audio_interface\n", \
peasycap->audio_interface);
}
......@@ -3125,37 +3177,34 @@ if ((USB_CLASS_VIDEO == bInterfaceClass) || \
*/
/*---------------------------------------------------------------------------*/
isokalt = 0;
isokepn = 0;
isokmps = 0;
for (i = 0; i < pusb_interface->num_altsetting; i++) {
pusb_host_interface = &(pusb_interface->altsetting[i]);
if ((struct usb_host_interface *)NULL == pusb_host_interface) {
SAY("ERROR: pusb_host_interface is NULL\n");
SAM("ERROR: pusb_host_interface is NULL\n");
return -EFAULT;
}
pusb_interface_descriptor = &(pusb_host_interface->desc);
if ((struct usb_interface_descriptor *)NULL == \
pusb_interface_descriptor) {
SAY("ERROR: pusb_interface_descriptor is NULL\n");
SAM("ERROR: pusb_interface_descriptor is NULL\n");
return -EFAULT;
}
JOT(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bDescriptorType=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bDescriptorType);
JOT(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bInterfaceNumber=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceNumber);
JOT(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bAlternateSetting=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bAlternateSetting);
JOT(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bNumEndpoints=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bNumEndpoints);
JOT(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bInterfaceClass=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceClass);
JOT(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bInterfaceSubClass=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceSubClass);
JOT(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.bInterfaceProtocol=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->bInterfaceProtocol);
JOT(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n", \
JOM(4, "intf[%i]alt[%i]: desc.iInterface=0x%02X\n", \
bInterfaceNumber, i, pusb_interface_descriptor->iInterface);
ISOCwMaxPacketSize = -1;
......@@ -3166,86 +3215,80 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
INTbEndpointAddress = 0;
if (0 == pusb_interface_descriptor->bNumEndpoints)
JOT(4, "intf[%i]alt[%i] has no endpoints\n", \
JOM(4, "intf[%i]alt[%i] has no endpoints\n", \
bInterfaceNumber, i);
/*---------------------------------------------------------------------------*/
for (j = 0; j < pusb_interface_descriptor->bNumEndpoints; j++) {
pepd = &(pusb_host_interface->endpoint[j].desc);
if ((struct usb_endpoint_descriptor *)NULL == pepd) {
SAY("ERROR: pepd is NULL.\n");
SAY("...... skipping\n");
SAM("ERROR: pepd is NULL.\n");
SAM("...... skipping\n");
continue;
}
wMaxPacketSize = le16_to_cpu(pepd->wMaxPacketSize);
bEndpointAddress = pepd->bEndpointAddress;
JOT(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n", \
JOM(4, "intf[%i]alt[%i]end[%i]: bEndpointAddress=0x%X\n", \
bInterfaceNumber, i, j, \
pepd->bEndpointAddress);
JOT(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n", \
JOM(4, "intf[%i]alt[%i]end[%i]: bmAttributes=0x%X\n", \
bInterfaceNumber, i, j, \
pepd->bmAttributes);
JOT(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n", \
JOM(4, "intf[%i]alt[%i]end[%i]: wMaxPacketSize=%i\n", \
bInterfaceNumber, i, j, \
pepd->wMaxPacketSize);
JOT(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n",
JOM(4, "intf[%i]alt[%i]end[%i]: bInterval=%i\n",
bInterfaceNumber, i, j, \
pepd->bInterval);
if (pepd->bEndpointAddress & USB_DIR_IN) {
JOT(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is an IN endpoint\n",\
bInterfaceNumber, i, j);
isin = 1;
} else {
JOT(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is an OUT endpoint\n",\
bInterfaceNumber, i, j);
SAY("ERROR: OUT endpoint unexpected\n");
SAY("...... continuing\n");
SAM("ERROR: OUT endpoint unexpected\n");
SAM("...... continuing\n");
isin = 0;
}
if ((pepd->bmAttributes & \
USB_ENDPOINT_XFERTYPE_MASK) == \
USB_ENDPOINT_XFER_ISOC) {
JOT(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is an ISOC endpoint\n",\
bInterfaceNumber, i, j);
if (isin) {
switch (bInterfaceClass) {
case USB_CLASS_VIDEO:
case USB_CLASS_VENDOR_SPEC: {
if (!peasycap) {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"peasycap is NULL\n");
return -EFAULT;
}
if (pepd->wMaxPacketSize) {
if (8 > isokalt) {
okalt[isokalt] = i;
JOT(4,\
JOM(4,\
"%i=okalt[%i]\n", \
okalt[isokalt], \
isokalt);
isokalt++;
}
if (8 > isokepn) {
okepn[isokepn] = \
okepn[isokalt] = \
pepd->\
bEndpointAddress & \
0x0F;
JOT(4,\
JOM(4,\
"%i=okepn[%i]\n", \
okepn[isokepn], \
isokepn);
isokepn++;
}
if (8 > isokmps) {
okmps[isokmps] = \
okepn[isokalt], \
isokalt);
okmps[isokalt] = \
le16_to_cpu(pepd->\
wMaxPacketSize);
JOT(4,\
JOM(4,\
"%i=okmps[%i]\n", \
okmps[isokmps], \
isokmps);
isokmps++;
okmps[isokalt], \
isokalt);
isokalt++;
}
} else {
if (-1 == peasycap->\
......@@ -3253,16 +3296,16 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
peasycap->\
video_altsetting_off =\
i;
JOT(4, "%i=video_" \
JOM(4, "%i=video_" \
"altsetting_off " \
"<====\n", \
peasycap->\
video_altsetting_off);
} else {
SAY("ERROR: peasycap" \
SAM("ERROR: peasycap" \
"->video_altsetting_" \
"off already set\n");
SAY("...... " \
SAM("...... " \
"continuing with " \
"%i=peasycap->video_" \
"altsetting_off\n", \
......@@ -3276,39 +3319,33 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
if (0x02 != bInterfaceSubClass)
break;
if (!peasycap) {
SAY("MISTAKE: " \
SAM("MISTAKE: " \
"peasycap is NULL\n");
return -EFAULT;
}
if (pepd->wMaxPacketSize) {
if (8 > isokalt) {
okalt[isokalt] = i ;
JOT(4,\
JOM(4,\
"%i=okalt[%i]\n", \
okalt[isokalt], \
isokalt);
isokalt++;
}
if (8 > isokepn) {
okepn[isokepn] = \
okepn[isokalt] = \
pepd->\
bEndpointAddress & \
0x0F;
JOT(4,\
JOM(4,\
"%i=okepn[%i]\n", \
okepn[isokepn], \
isokepn);
isokepn++;
}
if (8 > isokmps) {
okmps[isokmps] = \
okepn[isokalt], \
isokalt);
okmps[isokalt] = \
le16_to_cpu(pepd->\
wMaxPacketSize);
JOT(4,\
JOM(4,\
"%i=okmps[%i]\n",\
okmps[isokmps], \
isokmps);
isokmps++;
okmps[isokalt], \
isokalt);
isokalt++;
}
} else {
if (-1 == peasycap->\
......@@ -3316,16 +3353,16 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
peasycap->\
audio_altsetting_off =\
i;
JOT(4, "%i=audio_" \
JOM(4, "%i=audio_" \
"altsetting_off " \
"<====\n", \
peasycap->\
audio_altsetting_off);
} else {
SAY("ERROR: peasycap" \
SAM("ERROR: peasycap" \
"->audio_altsetting_" \
"off already set\n");
SAY("...... " \
SAM("...... " \
"continuing with " \
"%i=peasycap->\
audio_altsetting_" \
......@@ -3343,19 +3380,19 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
} else if ((pepd->bmAttributes & \
USB_ENDPOINT_XFERTYPE_MASK) ==\
USB_ENDPOINT_XFER_BULK) {
JOT(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is a BULK endpoint\n",\
bInterfaceNumber, i, j);
} else if ((pepd->bmAttributes & \
USB_ENDPOINT_XFERTYPE_MASK) ==\
USB_ENDPOINT_XFER_INT) {
JOT(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is an INT endpoint\n",\
bInterfaceNumber, i, j);
} else {
JOT(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n",\
JOM(4, "intf[%i]alt[%i]end[%i] is a CTRL endpoint\n",\
bInterfaceNumber, i, j);
}
if (0 == pepd->wMaxPacketSize) {
JOT(4, "intf[%i]alt[%i]end[%i] " \
JOM(4, "intf[%i]alt[%i]end[%i] " \
"has zero packet size\n", \
bInterfaceNumber, i, j);
}
......@@ -3366,7 +3403,7 @@ for (i = 0; i < pusb_interface->num_altsetting; i++) {
* PERFORM INITIALIZATION OF THE PROBED INTERFACE
*/
/*---------------------------------------------------------------------------*/
JOT(4, "initialization begins for interface %i\n", \
JOM(4, "initialization begins for interface %i\n", \
pusb_interface_descriptor->bInterfaceNumber);
switch (bInterfaceNumber) {
/*---------------------------------------------------------------------------*/
......@@ -3376,89 +3413,78 @@ switch (bInterfaceNumber) {
/*---------------------------------------------------------------------------*/
case 0: {
if (!peasycap) {
SAY("MISTAKE: peasycap is NULL\n");
SAM("MISTAKE: peasycap is NULL\n");
return -EFAULT;
}
if (!isokalt) {
SAY("ERROR: no viable video_altsetting_on\n");
SAM("ERROR: no viable video_altsetting_on\n");
return -ENOENT;
} else {
peasycap->video_altsetting_on = okalt[isokalt - 1];
JOT(4, "%i=video_altsetting_on <====\n", \
JOM(4, "%i=video_altsetting_on <====\n", \
peasycap->video_altsetting_on);
}
if (!isokepn) {
SAY("ERROR: no viable video_endpointnumber\n");
return -ENOENT;
} else {
peasycap->video_endpointnumber = okepn[isokepn - 1];
JOT(4, "%i=video_endpointnumber\n", \
peasycap->video_endpointnumber);
}
if (!isokmps) {
SAY("ERROR: no viable video_maxpacketsize\n");
return -ENOENT;
/*---------------------------------------------------------------------------*/
/*
* DECIDE THE VIDEO STREAMING PARAMETERS
*/
/*---------------------------------------------------------------------------*/
} else {
maxpacketsize = okmps[isokmps - 1] - 1024;
peasycap->video_endpointnumber = okepn[isokalt - 1];
JOM(4, "%i=video_endpointnumber\n", peasycap->video_endpointnumber);
maxpacketsize = okmps[isokalt - 1];
if (USB_2_0_MAXPACKETSIZE > maxpacketsize) {
peasycap->video_isoc_maxframesize = maxpacketsize;
} else {
peasycap->video_isoc_maxframesize = \
USB_2_0_MAXPACKETSIZE;
}
JOT(4, "%i=video_isoc_maxframesize\n", \
JOM(4, "%i=video_isoc_maxframesize\n", \
peasycap->video_isoc_maxframesize);
if (0 >= peasycap->video_isoc_maxframesize) {
SAY("ERROR: bad video_isoc_maxframesize\n");
SAM("ERROR: bad video_isoc_maxframesize\n");
SAM(" possibly because port is USB 1.1\n");
return -ENOENT;
}
peasycap->video_isoc_framesperdesc = VIDEO_ISOC_FRAMESPERDESC;
JOT(4, "%i=video_isoc_framesperdesc\n", \
JOM(4, "%i=video_isoc_framesperdesc\n", \
peasycap->video_isoc_framesperdesc);
if (0 >= peasycap->video_isoc_framesperdesc) {
SAY("ERROR: bad video_isoc_framesperdesc\n");
SAM("ERROR: bad video_isoc_framesperdesc\n");
return -ENOENT;
}
peasycap->video_isoc_buffer_size = \
peasycap->video_isoc_maxframesize * \
peasycap->video_isoc_framesperdesc;
JOT(4, "%i=video_isoc_buffer_size\n", \
JOM(4, "%i=video_isoc_buffer_size\n", \
peasycap->video_isoc_buffer_size);
if ((PAGE_SIZE << VIDEO_ISOC_ORDER) < \
peasycap->video_isoc_buffer_size) {
SAY("MISTAKE: " \
"peasycap->video_isoc_buffer_size too big\n");
SAM("MISTAKE: peasycap->video_isoc_buffer_size too big\n");
return -EFAULT;
}
}
/*---------------------------------------------------------------------------*/
if (-1 == peasycap->video_interface) {
SAY("MISTAKE: video_interface is unset\n");
SAM("MISTAKE: video_interface is unset\n");
return -EFAULT;
}
if (-1 == peasycap->video_altsetting_on) {
SAY("MISTAKE: video_altsetting_on is unset\n");
SAM("MISTAKE: video_altsetting_on is unset\n");
return -EFAULT;
}
if (-1 == peasycap->video_altsetting_off) {
SAY("MISTAKE: video_interface_off is unset\n");
SAM("MISTAKE: video_interface_off is unset\n");
return -EFAULT;
}
if (-1 == peasycap->video_endpointnumber) {
SAY("MISTAKE: video_endpointnumber is unset\n");
SAM("MISTAKE: video_endpointnumber is unset\n");
return -EFAULT;
}
if (-1 == peasycap->video_isoc_maxframesize) {
SAY("MISTAKE: video_isoc_maxframesize is unset\n");
SAM("MISTAKE: video_isoc_maxframesize is unset\n");
return -EFAULT;
}
if (-1 == peasycap->video_isoc_buffer_size) {
SAY("MISTAKE: video_isoc_buffer_size is unset\n");
SAM("MISTAKE: video_isoc_buffer_size is unset\n");
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
......@@ -3469,20 +3495,20 @@ case 0: {
INIT_LIST_HEAD(&(peasycap->urb_video_head));
peasycap->purb_video_head = &(peasycap->urb_video_head);
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i frame buffers of size %li\n", \
JOM(4, "allocating %i frame buffers of size %li\n", \
FRAME_BUFFER_MANY, (long int)FRAME_BUFFER_SIZE);
JOT(4, ".... each scattered over %li pages\n", \
JOM(4, ".... each scattered over %li pages\n", \
FRAME_BUFFER_SIZE/PAGE_SIZE);
for (k = 0; k < FRAME_BUFFER_MANY; k++) {
for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) {
if ((void *)NULL != peasycap->frame_buffer[k][m].pgo)
SAY("attempting to reallocate frame " \
SAM("attempting to reallocate frame " \
" buffers\n");
else {
pbuf = (void *)__get_free_page(GFP_KERNEL);
if ((void *)NULL == pbuf) {
SAY("ERROR: Could not allocate frame "\
SAM("ERROR: Could not allocate frame "\
"buffer %i page %i\n", k, m);
return -ENOMEM;
} else
......@@ -3496,23 +3522,23 @@ case 0: {
peasycap->frame_fill = 0;
peasycap->frame_read = 0;
JOT(4, "allocation of frame buffers done: %i pages\n", k * \
JOM(4, "allocation of frame buffers done: %i pages\n", k * \
m);
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i field buffers of size %li\n", \
JOM(4, "allocating %i field buffers of size %li\n", \
FIELD_BUFFER_MANY, (long int)FIELD_BUFFER_SIZE);
JOT(4, ".... each scattered over %li pages\n", \
JOM(4, ".... each scattered over %li pages\n", \
FIELD_BUFFER_SIZE/PAGE_SIZE);
for (k = 0; k < FIELD_BUFFER_MANY; k++) {
for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) {
if ((void *)NULL != peasycap->field_buffer[k][m].pgo) {
SAY("ERROR: attempting to reallocate " \
SAM("ERROR: attempting to reallocate " \
"field buffers\n");
} else {
pbuf = (void *) __get_free_page(GFP_KERNEL);
if ((void *)NULL == pbuf) {
SAY("ERROR: Could not allocate field" \
SAM("ERROR: Could not allocate field" \
" buffer %i page %i\n", k, m);
return -ENOMEM;
}
......@@ -3528,18 +3554,18 @@ case 0: {
peasycap->field_fill = 0;
peasycap->field_page = 0;
peasycap->field_read = 0;
JOT(4, "allocation of field buffers done: %i pages\n", k * \
JOM(4, "allocation of field buffers done: %i pages\n", k * \
m);
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i isoc video buffers of size %i\n", \
JOM(4, "allocating %i isoc video buffers of size %i\n", \
VIDEO_ISOC_BUFFER_MANY, \
peasycap->video_isoc_buffer_size);
JOT(4, ".... each occupying contiguous memory pages\n");
JOM(4, ".... each occupying contiguous memory pages\n");
for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
pbuf = (void *)__get_free_pages(GFP_KERNEL, VIDEO_ISOC_ORDER);
if (NULL == pbuf) {
SAY("ERROR: Could not allocate isoc video buffer " \
SAM("ERROR: Could not allocate isoc video buffer " \
"%i\n", k);
return -ENOMEM;
} else
......@@ -3551,26 +3577,26 @@ case 0: {
peasycap->video_isoc_buffer_size;
peasycap->video_isoc_buffer[k].kount = k;
}
JOT(4, "allocation of isoc video buffers done: %i pages\n", \
JOM(4, "allocation of isoc video buffers done: %i pages\n", \
k * (0x01 << VIDEO_ISOC_ORDER));
/*---------------------------------------------------------------------------*/
/*
* ALLOCATE AND INITIALIZE MULTIPLE struct urb ...
*/
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY);
JOT(4, "using %i=peasycap->video_isoc_framesperdesc\n", \
JOM(4, "allocating %i struct urb.\n", VIDEO_ISOC_BUFFER_MANY);
JOM(4, "using %i=peasycap->video_isoc_framesperdesc\n", \
peasycap->video_isoc_framesperdesc);
JOT(4, "using %i=peasycap->video_isoc_maxframesize\n", \
JOM(4, "using %i=peasycap->video_isoc_maxframesize\n", \
peasycap->video_isoc_maxframesize);
JOT(4, "using %i=peasycap->video_isoc_buffer_sizen", \
JOM(4, "using %i=peasycap->video_isoc_buffer_sizen", \
peasycap->video_isoc_buffer_size);
for (k = 0; k < VIDEO_ISOC_BUFFER_MANY; k++) {
purb = usb_alloc_urb(peasycap->video_isoc_framesperdesc, \
GFP_KERNEL);
if (NULL == purb) {
SAY("ERROR: usb_alloc_urb returned NULL for buffer " \
SAM("ERROR: usb_alloc_urb returned NULL for buffer " \
"%i\n", k);
return -ENOMEM;
} else
......@@ -3578,7 +3604,7 @@ case 0: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
if (NULL == pdata_urb) {
SAY("ERROR: Could not allocate struct data_urb.\n");
SAM("ERROR: Could not allocate struct data_urb.\n");
return -ENOMEM;
} else
peasycap->allocation_video_struct += \
......@@ -3595,30 +3621,30 @@ case 0: {
*/
/*---------------------------------------------------------------------------*/
if (!k) {
JOT(4, "initializing video urbs thus:\n");
JOT(4, " purb->interval = 1;\n");
JOT(4, " purb->dev = peasycap->pusb_device;\n");
JOT(4, " purb->pipe = usb_rcvisocpipe" \
JOM(4, "initializing video urbs thus:\n");
JOM(4, " purb->interval = 1;\n");
JOM(4, " purb->dev = peasycap->pusb_device;\n");
JOM(4, " purb->pipe = usb_rcvisocpipe" \
"(peasycap->pusb_device,%i);\n", \
peasycap->video_endpointnumber);
JOT(4, " purb->transfer_flags = URB_ISO_ASAP;\n");
JOT(4, " purb->transfer_buffer = peasycap->" \
JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n");
JOM(4, " purb->transfer_buffer = peasycap->" \
"video_isoc_buffer[.].pgo;\n");
JOT(4, " purb->transfer_buffer_length = %i;\n", \
JOM(4, " purb->transfer_buffer_length = %i;\n", \
peasycap->video_isoc_buffer_size);
JOT(4, " purb->complete = easycap_complete;\n");
JOT(4, " purb->context = peasycap;\n");
JOT(4, " purb->start_frame = 0;\n");
JOT(4, " purb->number_of_packets = %i;\n", \
JOM(4, " purb->complete = easycap_complete;\n");
JOM(4, " purb->context = peasycap;\n");
JOM(4, " purb->start_frame = 0;\n");
JOM(4, " purb->number_of_packets = %i;\n", \
peasycap->video_isoc_framesperdesc);
JOT(4, " for (j = 0; j < %i; j++)\n", \
JOM(4, " for (j = 0; j < %i; j++)\n", \
peasycap->video_isoc_framesperdesc);
JOT(4, " {\n");
JOT(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\
JOM(4, " {\n");
JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\
peasycap->video_isoc_maxframesize);
JOT(4, " purb->iso_frame_desc[j].length = %i;\n", \
JOM(4, " purb->iso_frame_desc[j].length = %i;\n", \
peasycap->video_isoc_maxframesize);
JOT(4, " }\n");
JOM(4, " }\n");
}
purb->interval = 1;
......@@ -3640,7 +3666,7 @@ case 0: {
peasycap->video_isoc_maxframesize;
}
}
JOT(4, "allocation of %i struct urb done.\n", k);
JOM(4, "allocation of %i struct urb done.\n", k);
/*--------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN THIS INTERFACE.
......@@ -3657,48 +3683,55 @@ case 0: {
err("Not able to get a minor for this device");
usb_set_intfdata(pusb_interface, NULL);
return -ENODEV;
} else
} else {
(peasycap->registered_video)++;
SAY("easycap attached to minor #%d\n", pusb_interface->minor);
SAM("easycap attached to minor #%d\n", pusb_interface->minor);
break;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
pvideo_device = (struct video_device *)\
kzalloc(sizeof(struct video_device), GFP_KERNEL);
if ((struct video_device *)NULL == pvideo_device) {
SAY("ERROR: Could not allocate structure video_device\n");
return -ENOMEM;
}
if (VIDEO_DEVICE_MANY <= video_device_many) {
SAY("ERROR: Too many /dev/videos\n");
return -ENOMEM;
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
#if defined(EASYCAP_NEEDS_V4L2_DEVICE_H)
if (0 != (v4l2_device_register(&(pusb_interface->dev), \
&(peasycap->v4l2_device)))) {
SAM("v4l2_device_register() failed\n");
return -ENODEV;
} else {
JOM(4, "registered device instance: %s\n", \
&(peasycap->v4l2_device.name[0]));
}
pvideo_array[video_device_many] = pvideo_device; video_device_many++;
/*---------------------------------------------------------------------------*/
/*
* THIS IS BELIEVED TO BE HARMLESS, BUT MAY WELL BE UNNECESSARY OR WRONG:
*/
/*---------------------------------------------------------------------------*/
peasycap->video_device.v4l2_dev = (struct v4l2_device *)NULL;
/*---------------------------------------------------------------------------*/
#endif /*EASYCAP_NEEDS_V4L2_DEVICE_H*/
strcpy(&pvideo_device->name[0], "easycapdc60");
strcpy(&peasycap->video_device.name[0], "easycapdc60");
#if defined(EASYCAP_NEEDS_V4L2_FOPS)
pvideo_device->fops = &v4l2_fops;
peasycap->video_device.fops = &v4l2_fops;
#else
pvideo_device->fops = &easycap_fops;
peasycap->video_device.fops = &easycap_fops;
#endif /*EASYCAP_NEEDS_V4L2_FOPS*/
pvideo_device->minor = -1;
pvideo_device->release = (void *)(&videodev_release);
peasycap->video_device.minor = -1;
peasycap->video_device.release = (void *)(&videodev_release);
video_set_drvdata(pvideo_device, (void *)peasycap);
video_set_drvdata(&(peasycap->video_device), (void *)peasycap);
rc = video_register_device(pvideo_device, VFL_TYPE_GRABBER, -1);
if (0 != rc) {
if (0 != (video_register_device(&(peasycap->video_device), \
VFL_TYPE_GRABBER, -1))) {
err("Not able to register with videodev");
videodev_release(pvideo_device);
videodev_release(&(peasycap->video_device));
return -ENODEV;
} else {
peasycap->pvideo_device = pvideo_device;
(peasycap->registered_video)++;
JOT(4, "registered with videodev: %i=minor\n", \
pvideo_device->minor);
SAM("registered with videodev: %i=minor\n", \
peasycap->video_device.minor);
}
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
break;
}
/*--------------------------------------------------------------------------*/
......@@ -3708,62 +3741,58 @@ case 0: {
*/
/*--------------------------------------------------------------------------*/
case 1: {
if (!peasycap) {
SAM("ERROR: peasycap is NULL\n");
return -EFAULT;
}
/*--------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN INTERFACE 1
*/
/*--------------------------------------------------------------------------*/
usb_set_intfdata(pusb_interface, peasycap);
JOT(4, "no initialization required for interface %i\n", \
JOM(4, "no initialization required for interface %i\n", \
pusb_interface_descriptor->bInterfaceNumber);
break;
}
/*--------------------------------------------------------------------------*/
case 2: {
if (!peasycap) {
SAY("MISTAKE: peasycap is NULL\n");
SAM("MISTAKE: peasycap is NULL\n");
return -EFAULT;
}
if (!isokalt) {
SAY("ERROR: no viable audio_altsetting_on\n");
SAM("ERROR: no viable audio_altsetting_on\n");
return -ENOENT;
} else {
peasycap->audio_altsetting_on = okalt[isokalt - 1];
JOT(4, "%i=audio_altsetting_on <====\n", \
JOM(4, "%i=audio_altsetting_on <====\n", \
peasycap->audio_altsetting_on);
}
if (!isokepn) {
SAY("ERROR: no viable audio_endpointnumber\n");
return -ENOENT;
} else {
peasycap->audio_endpointnumber = okepn[isokepn - 1];
JOT(4, "%i=audio_endpointnumber\n", \
peasycap->audio_endpointnumber);
}
if (!isokmps) {
SAY("ERROR: no viable audio_maxpacketsize\n");
return -ENOENT;
} else {
peasycap->audio_isoc_maxframesize = okmps[isokmps - 1];
JOT(4, "%i=audio_isoc_maxframesize\n", \
peasycap->audio_endpointnumber = okepn[isokalt - 1];
JOM(4, "%i=audio_endpointnumber\n", peasycap->audio_endpointnumber);
peasycap->audio_isoc_maxframesize = okmps[isokalt - 1];
JOM(4, "%i=audio_isoc_maxframesize\n", \
peasycap->audio_isoc_maxframesize);
if (0 >= peasycap->audio_isoc_maxframesize) {
SAY("ERROR: bad audio_isoc_maxframesize\n");
SAM("ERROR: bad audio_isoc_maxframesize\n");
return -ENOENT;
}
if (9 == peasycap->audio_isoc_maxframesize) {
peasycap->ilk |= 0x02;
SAY("hardware is FOUR-CVBS\n");
SAM("hardware is FOUR-CVBS\n");
peasycap->microphone = true;
peasycap->audio_pages_per_fragment = 4;
} else if (256 == peasycap->audio_isoc_maxframesize) {
peasycap->ilk &= ~0x02;
SAY("hardware is CVBS+S-VIDEO\n");
SAM("hardware is CVBS+S-VIDEO\n");
peasycap->microphone = false;
peasycap->audio_pages_per_fragment = 4;
} else {
SAY("hardware is unidentified:\n");
SAY("%i=audio_isoc_maxframesize\n", \
SAM("hardware is unidentified:\n");
SAM("%i=audio_isoc_maxframesize\n", \
peasycap->audio_isoc_maxframesize);
return -ENOENT;
}
......@@ -3774,59 +3803,56 @@ case 2: {
peasycap->audio_buffer_page_many = (AUDIO_FRAGMENT_MANY * \
peasycap->audio_pages_per_fragment);
JOT(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY);
JOT(4, "%6i=audio_pages_per_fragment\n", \
JOM(4, "%6i=AUDIO_FRAGMENT_MANY\n", AUDIO_FRAGMENT_MANY);
JOM(4, "%6i=audio_pages_per_fragment\n", \
peasycap->audio_pages_per_fragment);
JOT(4, "%6i=audio_bytes_per_fragment\n", \
JOM(4, "%6i=audio_bytes_per_fragment\n", \
peasycap->audio_bytes_per_fragment);
JOT(4, "%6i=audio_buffer_page_many\n", \
JOM(4, "%6i=audio_buffer_page_many\n", \
peasycap->audio_buffer_page_many);
peasycap->audio_isoc_framesperdesc = 128;
JOT(4, "%i=audio_isoc_framesperdesc\n", \
JOM(4, "%i=audio_isoc_framesperdesc\n", \
peasycap->audio_isoc_framesperdesc);
if (0 >= peasycap->audio_isoc_framesperdesc) {
SAY("ERROR: bad audio_isoc_framesperdesc\n");
SAM("ERROR: bad audio_isoc_framesperdesc\n");
return -ENOENT;
}
peasycap->audio_isoc_buffer_size = \
peasycap->audio_isoc_maxframesize * \
peasycap->audio_isoc_framesperdesc;
JOT(4, "%i=audio_isoc_buffer_size\n", \
JOM(4, "%i=audio_isoc_buffer_size\n", \
peasycap->audio_isoc_buffer_size);
if (AUDIO_ISOC_BUFFER_SIZE < \
peasycap->audio_isoc_buffer_size) {
SAY("MISTAKE: audio_isoc_buffer_size bigger "
if (AUDIO_ISOC_BUFFER_SIZE < peasycap->audio_isoc_buffer_size) {
SAM("MISTAKE: audio_isoc_buffer_size bigger "
"than %li=AUDIO_ISOC_BUFFER_SIZE\n", \
AUDIO_ISOC_BUFFER_SIZE);
return -EFAULT;
}
}
if (-1 == peasycap->audio_interface) {
SAY("MISTAKE: audio_interface is unset\n");
SAM("MISTAKE: audio_interface is unset\n");
return -EFAULT;
}
if (-1 == peasycap->audio_altsetting_on) {
SAY("MISTAKE: audio_altsetting_on is unset\n");
SAM("MISTAKE: audio_altsetting_on is unset\n");
return -EFAULT;
}
if (-1 == peasycap->audio_altsetting_off) {
SAY("MISTAKE: audio_interface_off is unset\n");
SAM("MISTAKE: audio_interface_off is unset\n");
return -EFAULT;
}
if (-1 == peasycap->audio_endpointnumber) {
SAY("MISTAKE: audio_endpointnumber is unset\n");
SAM("MISTAKE: audio_endpointnumber is unset\n");
return -EFAULT;
}
if (-1 == peasycap->audio_isoc_maxframesize) {
SAY("MISTAKE: audio_isoc_maxframesize is unset\n");
SAM("MISTAKE: audio_isoc_maxframesize is unset\n");
return -EFAULT;
}
if (-1 == peasycap->audio_isoc_buffer_size) {
SAY("MISTAKE: audio_isoc_buffer_size is unset\n");
SAM("MISTAKE: audio_isoc_buffer_size is unset\n");
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
......@@ -3837,17 +3863,17 @@ case 2: {
INIT_LIST_HEAD(&(peasycap->urb_audio_head));
peasycap->purb_audio_head = &(peasycap->urb_audio_head);
JOT(4, "allocating an audio buffer\n");
JOT(4, ".... scattered over %i pages\n", \
JOM(4, "allocating an audio buffer\n");
JOM(4, ".... scattered over %i pages\n", \
peasycap->audio_buffer_page_many);
for (k = 0; k < peasycap->audio_buffer_page_many; k++) {
if ((void *)NULL != peasycap->audio_buffer[k].pgo) {
SAY("ERROR: attempting to reallocate audio buffers\n");
SAM("ERROR: attempting to reallocate audio buffers\n");
} else {
pbuf = (void *) __get_free_page(GFP_KERNEL);
if ((void *)NULL == pbuf) {
SAY("ERROR: Could not allocate audio " \
SAM("ERROR: Could not allocate audio " \
"buffer page %i\n", k);
return -ENOMEM;
} else
......@@ -3860,16 +3886,16 @@ case 2: {
peasycap->audio_fill = 0;
peasycap->audio_read = 0;
JOT(4, "allocation of audio buffer done: %i pages\n", k);
JOM(4, "allocation of audio buffer done: %i pages\n", k);
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i isoc audio buffers of size %i\n", \
JOM(4, "allocating %i isoc audio buffers of size %i\n", \
AUDIO_ISOC_BUFFER_MANY, peasycap->audio_isoc_buffer_size);
JOT(4, ".... each occupying contiguous memory pages\n");
JOM(4, ".... each occupying contiguous memory pages\n");
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
pbuf = (void *)__get_free_pages(GFP_KERNEL, AUDIO_ISOC_ORDER);
if (NULL == pbuf) {
SAY("ERROR: Could not allocate isoc audio buffer " \
SAM("ERROR: Could not allocate isoc audio buffer " \
"%i\n", k);
return -ENOMEM;
} else
......@@ -3881,25 +3907,25 @@ case 2: {
peasycap->audio_isoc_buffer_size;
peasycap->audio_isoc_buffer[k].kount = k;
}
JOT(4, "allocation of isoc audio buffers done.\n");
JOM(4, "allocation of isoc audio buffers done.\n");
/*---------------------------------------------------------------------------*/
/*
* ALLOCATE AND INITIALIZE MULTIPLE struct urb ...
*/
/*---------------------------------------------------------------------------*/
JOT(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY);
JOT(4, "using %i=peasycap->audio_isoc_framesperdesc\n", \
JOM(4, "allocating %i struct urb.\n", AUDIO_ISOC_BUFFER_MANY);
JOM(4, "using %i=peasycap->audio_isoc_framesperdesc\n", \
peasycap->audio_isoc_framesperdesc);
JOT(4, "using %i=peasycap->audio_isoc_maxframesize\n", \
JOM(4, "using %i=peasycap->audio_isoc_maxframesize\n", \
peasycap->audio_isoc_maxframesize);
JOT(4, "using %i=peasycap->audio_isoc_buffer_size\n", \
JOM(4, "using %i=peasycap->audio_isoc_buffer_size\n", \
peasycap->audio_isoc_buffer_size);
for (k = 0; k < AUDIO_ISOC_BUFFER_MANY; k++) {
purb = usb_alloc_urb(peasycap->audio_isoc_framesperdesc, \
GFP_KERNEL);
if (NULL == purb) {
SAY("ERROR: usb_alloc_urb returned NULL for buffer " \
SAM("ERROR: usb_alloc_urb returned NULL for buffer " \
"%i\n", k);
return -ENOMEM;
} else
......@@ -3907,7 +3933,7 @@ case 2: {
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
pdata_urb = kzalloc(sizeof(struct data_urb), GFP_KERNEL);
if (NULL == pdata_urb) {
SAY("ERROR: Could not allocate struct data_urb.\n");
SAM("ERROR: Could not allocate struct data_urb.\n");
return -ENOMEM;
} else
peasycap->allocation_audio_struct += \
......@@ -3924,30 +3950,30 @@ case 2: {
*/
/*---------------------------------------------------------------------------*/
if (!k) {
JOT(4, "initializing audio urbs thus:\n");
JOT(4, " purb->interval = 1;\n");
JOT(4, " purb->dev = peasycap->pusb_device;\n");
JOT(4, " purb->pipe = usb_rcvisocpipe(peasycap->" \
JOM(4, "initializing audio urbs thus:\n");
JOM(4, " purb->interval = 1;\n");
JOM(4, " purb->dev = peasycap->pusb_device;\n");
JOM(4, " purb->pipe = usb_rcvisocpipe(peasycap->" \
"pusb_device,%i);\n", \
peasycap->audio_endpointnumber);
JOT(4, " purb->transfer_flags = URB_ISO_ASAP;\n");
JOT(4, " purb->transfer_buffer = " \
JOM(4, " purb->transfer_flags = URB_ISO_ASAP;\n");
JOM(4, " purb->transfer_buffer = " \
"peasycap->audio_isoc_buffer[.].pgo;\n");
JOT(4, " purb->transfer_buffer_length = %i;\n", \
JOM(4, " purb->transfer_buffer_length = %i;\n", \
peasycap->audio_isoc_buffer_size);
JOT(4, " purb->complete = easysnd_complete;\n");
JOT(4, " purb->context = peasycap;\n");
JOT(4, " purb->start_frame = 0;\n");
JOT(4, " purb->number_of_packets = %i;\n", \
JOM(4, " purb->complete = easysnd_complete;\n");
JOM(4, " purb->context = peasycap;\n");
JOM(4, " purb->start_frame = 0;\n");
JOM(4, " purb->number_of_packets = %i;\n", \
peasycap->audio_isoc_framesperdesc);
JOT(4, " for (j = 0; j < %i; j++)\n", \
JOM(4, " for (j = 0; j < %i; j++)\n", \
peasycap->audio_isoc_framesperdesc);
JOT(4, " {\n");
JOT(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\
JOM(4, " {\n");
JOM(4, " purb->iso_frame_desc[j].offset = j*%i;\n",\
peasycap->audio_isoc_maxframesize);
JOT(4, " purb->iso_frame_desc[j].length = %i;\n", \
JOM(4, " purb->iso_frame_desc[j].length = %i;\n", \
peasycap->audio_isoc_maxframesize);
JOT(4, " }\n");
JOM(4, " }\n");
}
purb->interval = 1;
......@@ -3969,7 +3995,7 @@ case 2: {
peasycap->audio_isoc_maxframesize;
}
}
JOT(4, "allocation of %i struct urb done.\n", k);
JOM(4, "allocation of %i struct urb done.\n", k);
/*---------------------------------------------------------------------------*/
/*
* SAVE POINTER peasycap IN THIS INTERFACE.
......@@ -3986,14 +4012,18 @@ case 2: {
err("Not able to get a minor for this device.");
usb_set_intfdata(pusb_interface, NULL);
return -ENODEV;
} else
} else {
JOM(8, "kref_get() with %i=peasycap->kref.refcount.counter\n",\
(int)peasycap->kref.refcount.counter);
kref_get(&peasycap->kref);
(peasycap->registered_audio)++;
}
/*---------------------------------------------------------------------------*/
/*
* LET THE USER KNOW WHAT NODE THE AUDIO DEVICE IS ATTACHED TO.
*/
/*---------------------------------------------------------------------------*/
SAY("easysnd attached to minor #%d\n", pusb_interface->minor);
SAM("easysnd attached to minor #%d\n", pusb_interface->minor);
break;
}
/*---------------------------------------------------------------------------*/
......@@ -4002,11 +4032,11 @@ case 2: {
*/
/*---------------------------------------------------------------------------*/
default: {
JOT(4, "ERROR: unexpected interface %i\n", bInterfaceNumber);
JOM(4, "ERROR: unexpected interface %i\n", bInterfaceNumber);
return -EINVAL;
}
}
JOT(4, "ends successfully for interface %i\n", \
JOM(4, "ends successfully for interface %i\n", \
pusb_interface_descriptor->bInterfaceNumber);
return 0;
}
......@@ -4050,19 +4080,30 @@ bInterfaceNumber = pusb_interface_descriptor->bInterfaceNumber;
minor = pusb_interface->minor;
JOT(4, "intf[%i]: minor=%i\n", bInterfaceNumber, minor);
if (1 == bInterfaceNumber)
return;
peasycap = usb_get_intfdata(pusb_interface);
if ((struct easycap *)NULL == peasycap)
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
else {
peasycap->pusb_device = (struct usb_device *)NULL;
switch (bInterfaceNumber) {
return;
}
/*---------------------------------------------------------------------------*/
case 0: {
/*
* IF THE WAIT QUEUES ARE NOT CLEARED A DEADLOCK IS POSSIBLE. BEWARE.
*/
/*---------------------------------------------------------------------------*/
peasycap->video_eof = 1;
peasycap->audio_eof = 1;
wake_up_interruptible(&peasycap->wq_video);
wake_up_interruptible(&peasycap->wq_audio);
/*---------------------------------------------------------------------------*/
switch (bInterfaceNumber) {
case 0: {
if ((struct list_head *)NULL != peasycap->purb_video_head) {
JOT(4, "killing video urbs\n");
JOM(4, "killing video urbs\n");
m = 0;
list_for_each(plist_head, (peasycap->purb_video_head))
{
list_for_each(plist_head, (peasycap->purb_video_head)) {
pdata_urb = list_entry(plist_head, \
struct data_urb, list_head);
if ((struct data_urb *)NULL != pdata_urb) {
......@@ -4073,18 +4114,16 @@ else {
}
}
}
JOT(4, "%i video urbs killed\n", m);
} else
SAY("ERROR: peasycap->purb_video_head is NULL\n");
break;
JOM(4, "%i video urbs killed\n", m);
}
break;
}
/*---------------------------------------------------------------------------*/
case 2: {
case 2: {
if ((struct list_head *)NULL != peasycap->purb_audio_head) {
JOT(4, "killing audio urbs\n");
JOM(4, "killing audio urbs\n");
m = 0;
list_for_each(plist_head, \
(peasycap->purb_audio_head)) {
list_for_each(plist_head, (peasycap->purb_audio_head)) {
pdata_urb = list_entry(plist_head, \
struct data_urb, list_head);
if ((struct data_urb *)NULL != pdata_urb) {
......@@ -4095,15 +4134,13 @@ else {
}
}
}
JOT(4, "%i audio urbs killed\n", m);
} else
SAY("ERROR: peasycap->purb_audio_head is NULL\n");
break;
JOM(4, "%i audio urbs killed\n", m);
}
break;
}
/*---------------------------------------------------------------------------*/
default:
default:
break;
}
}
/*--------------------------------------------------------------------------*/
/*
......@@ -4112,29 +4149,30 @@ else {
/*--------------------------------------------------------------------------*/
switch (bInterfaceNumber) {
case 0: {
#if (!defined(EASYCAP_IS_VIDEODEV_CLIENT))
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap has become NULL\n");
SAM("ERROR: peasycap has become NULL\n");
} else {
lock_kernel();
usb_deregister_dev(pusb_interface, &easycap_class);
(peasycap->registered_video)--;
JOT(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
unlock_kernel();
SAY("easycap detached from minor #%d\n", minor);
SAM("easycap detached from minor #%d\n", minor);
}
/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
#else
if ((struct easycap *)NULL == peasycap)
SAY("ERROR: peasycap has become NULL\n");
SAM("ERROR: peasycap has become NULL\n");
else {
lock_kernel();
video_unregister_device(peasycap->pvideo_device);
video_unregister_device(&peasycap->video_device);
(peasycap->registered_video)--;
unlock_kernel();
JOT(4, "unregistered with videodev: %i=minor\n", \
pvideo_device->minor);
JOM(4, "unregistered with videodev: %i=minor\n", \
peasycap->video_device.minor);
}
/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/
......@@ -4147,10 +4185,10 @@ case 2: {
if ((struct easycap *)NULL != peasycap)
(peasycap->registered_audio)--;
JOT(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
JOM(4, "intf[%i]: usb_deregister_dev()\n", bInterfaceNumber);
unlock_kernel();
SAY("easysnd detached from minor #%d\n", minor);
SAM("easysnd detached from minor #%d\n", minor);
break;
}
default:
......@@ -4162,24 +4200,24 @@ case 2: {
*/
/*---------------------------------------------------------------------------*/
if ((struct easycap *)NULL == peasycap) {
SAY("ERROR: peasycap has become NULL\n");
SAY("cannot call kref_put()\n");
SAY("ending unsuccessfully: may cause memory leak\n");
SAM("ERROR: peasycap has become NULL\n");
SAM("cannot call kref_put()\n");
SAM("ending unsuccessfully: may cause memory leak\n");
return;
}
if (!peasycap->kref.refcount.counter) {
SAY("ERROR: peasycap->kref.refcount.counter is zero " \
SAM("ERROR: peasycap->kref.refcount.counter is zero " \
"so cannot call kref_put()\n");
SAY("ending unsuccessfully: may cause memory leak\n");
SAM("ending unsuccessfully: may cause memory leak\n");
return;
}
JOT(4, "intf[%i]: kref_put() with %i=peasycap->kref.refcount.counter\n", \
JOM(4, "intf[%i]: kref_put() with %i=peasycap->kref.refcount.counter\n", \
bInterfaceNumber, (int)peasycap->kref.refcount.counter);
kref_put(&peasycap->kref, easycap_delete);
JOT(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
JOM(4, "intf[%i]: kref_put() done.\n", bInterfaceNumber);
/*---------------------------------------------------------------------------*/
JOT(4, "ends\n");
JOM(4, "ends\n");
return;
}
/*****************************************************************************/
......
drivers/staging/easycap/easycap_sound.c
View file @ e68703cf
......@@ -43,10 +43,8 @@
void
easysnd_complete(struct urb *purb)
{
static int mt;
struct easycap *peasycap;
struct data_buffer *paudio_buffer;
char errbuf[16];
__u8 *p1, *p2;
__s16 s16;
int i, j, more, much, leap, rc;
......@@ -68,46 +66,55 @@ if (NULL == peasycap) {
}
much = 0;
if (peasycap->audio_idle) {
JOT(16, "%i=audio_idle %i=audio_isoc_streaming\n", \
JOM(16, "%i=audio_idle %i=audio_isoc_streaming\n", \
peasycap->audio_idle, peasycap->audio_isoc_streaming);
if (peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
SAY("ERROR: while %i=audio_idle, " \
if (-ENODEV != rc)
SAM("ERROR: while %i=audio_idle, " \
"usb_submit_urb() failed with rc:\n", \
peasycap->audio_idle);
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n"); break;
SAM("-ENOMEM\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n"); break;
break;
}
case -ENXIO: {
SAY("ENXIO\n"); break;
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n"); break;
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n"); break;
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n"); break;
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n"); break;
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("-ENOSPC\n");
break;
}
default: {
SAY("0x%08X\n", rc); break;
SAM("unknown error: 0x%08X\n", rc);
break;
}
}
}
......@@ -116,74 +123,95 @@ return;
}
/*---------------------------------------------------------------------------*/
if (purb->status) {
if (-ESHUTDOWN == purb->status) {
JOT(16, "immediate return because -ESHUTDOWN=purb->status\n");
if ((-ESHUTDOWN == purb->status) || (-ENOENT == purb->status)) {
JOM(16, "urb status -ESHUTDOWN or -ENOENT\n");
return;
}
SAY("ERROR: non-zero urb status:\n");
SAM("ERROR: non-zero urb status:\n");
switch (purb->status) {
case -EINPROGRESS: {
SAY("-EINPROGRESS\n"); break;
SAM("-EINPROGRESS\n");
break;
}
case -ENOSR: {
SAY("-ENOSR\n"); break;
SAM("-ENOSR\n");
break;
}
case -EPIPE: {
SAY("-EPIPE\n"); break;
SAM("-EPIPE\n");
break;
}
case -EOVERFLOW: {
SAY("-EOVERFLOW\n"); break;
SAM("-EOVERFLOW\n");
break;
}
case -EPROTO: {
SAY("-EPROTO\n"); break;
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
SAY("-EILSEQ\n"); break;
SAM("-EILSEQ\n");
break;
}
case -ETIMEDOUT: {
SAY("-ETIMEDOUT\n"); break;
SAM("-ETIMEDOUT\n");
break;
}
case -EMSGSIZE: {
SAY("-EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n");
break;
}
case -EOPNOTSUPP: {
SAY("-EOPNOTSUPP\n"); break;
SAM("-EOPNOTSUPP\n");
break;
}
case -EPFNOSUPPORT: {
SAY("-EPFNOSUPPORT\n"); break;
SAM("-EPFNOSUPPORT\n");
break;
}
case -EAFNOSUPPORT: {
SAY("-EAFNOSUPPORT\n"); break;
SAM("-EAFNOSUPPORT\n");
break;
}
case -EADDRINUSE: {
SAY("-EADDRINUSE\n"); break;
SAM("-EADDRINUSE\n");
break;
}
case -EADDRNOTAVAIL: {
SAY("-EADDRNOTAVAIL\n"); break;
SAM("-EADDRNOTAVAIL\n");
break;
}
case -ENOBUFS: {
SAY("-ENOBUFS\n"); break;
SAM("-ENOBUFS\n");
break;
}
case -EISCONN: {
SAY("-EISCONN\n"); break;
SAM("-EISCONN\n");
break;
}
case -ENOTCONN: {
SAY("-ENOTCONN\n"); break;
SAM("-ENOTCONN\n");
break;
}
case -ESHUTDOWN: {
SAY("-ESHUTDOWN\n"); break;
SAM("-ESHUTDOWN\n");
break;
}
case -ENOENT: {
SAY("-ENOENT\n"); break;
SAM("-ENOENT\n");
break;
}
case -ECONNRESET: {
SAY("-ECONNRESET\n"); break;
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("ENOSPC\n");
break;
}
default: {
SAY("unknown error code 0x%08X\n", purb->status); break;
SAM("unknown error code 0x%08X\n", purb->status);
break;
}
}
/*---------------------------------------------------------------------------*/
......@@ -196,35 +224,43 @@ if (purb->status) {
if (peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
SAY("ERROR: while %i=audio_idle, usb_submit_urb() "
SAM("ERROR: while %i=audio_idle, usb_submit_urb() "
"failed with rc:\n", peasycap->audio_idle);
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n"); break;
SAM("-ENOMEM\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n"); break;
SAM("-ENODEV\n");
break;
}
case -ENXIO: {
SAY("ENXIO\n"); break;
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n"); break;
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n"); break;
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n"); break;
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n"); break;
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n");
break;
}
default: {
SAY("0x%08X\n", rc); break;
SAM("0x%08X\n", rc); break;
}
}
}
......@@ -243,72 +279,80 @@ oldaudio = peasycap->oldaudio;
for (i = 0; i < purb->number_of_packets; i++) {
switch (purb->iso_frame_desc[i].status) {
case 0: {
strcpy(&errbuf[0], "OK"); break;
break;
}
case -ENOENT: {
strcpy(&errbuf[0], "-ENOENT"); break;
SAM("-ENOENT\n");
break;
}
case -EINPROGRESS: {
strcpy(&errbuf[0], "-EINPROGRESS"); break;
SAM("-EINPROGRESS\n");
break;
}
case -EPROTO: {
strcpy(&errbuf[0], "-EPROTO"); break;
SAM("-EPROTO\n");
break;
}
case -EILSEQ: {
strcpy(&errbuf[0], "-EILSEQ"); break;
SAM("-EILSEQ\n");
break;
}
case -ETIME: {
strcpy(&errbuf[0], "-ETIME"); break;
SAM("-ETIME\n");
break;
}
case -ETIMEDOUT: {
strcpy(&errbuf[0], "-ETIMEDOUT"); break;
SAM("-ETIMEDOUT\n");
break;
}
case -EPIPE: {
strcpy(&errbuf[0], "-EPIPE"); break;
SAM("-EPIPE\n");
break;
}
case -ECOMM: {
strcpy(&errbuf[0], "-ECOMM"); break;
SAM("-ECOMM\n");
break;
}
case -ENOSR: {
strcpy(&errbuf[0], "-ENOSR"); break;
SAM("-ENOSR\n");
break;
}
case -EOVERFLOW: {
strcpy(&errbuf[0], "-EOVERFLOW"); break;
SAM("-EOVERFLOW\n");
break;
}
case -EREMOTEIO: {
strcpy(&errbuf[0], "-EREMOTEIO"); break;
SAM("-EREMOTEIO\n");
break;
}
case -ENODEV: {
strcpy(&errbuf[0], "-ENODEV"); break;
SAM("-ENODEV\n");
break;
}
case -EXDEV: {
strcpy(&errbuf[0], "-EXDEV"); break;
SAM("-EXDEV\n");
break;
}
case -EINVAL: {
strcpy(&errbuf[0], "-EINVAL"); break;
SAM("-EINVAL\n");
break;
}
case -ECONNRESET: {
strcpy(&errbuf[0], "-ECONNRESET"); break;
SAM("-ECONNRESET\n");
break;
}
case -ENOSPC: {
strcpy(&errbuf[0], "-ENOSPC"); break;
SAM("-ENOSPC\n");
break;
}
case -ESHUTDOWN: {
strcpy(&errbuf[0], "-ESHUTDOWN"); break;
SAM("-ESHUTDOWN\n");
break;
}
default: {
strcpy(&errbuf[0], "UNKNOWN"); break;
}
SAM("unknown error:0x%08X\n", purb->iso_frame_desc[i].status);
break;
}
if ((!purb->iso_frame_desc[i].status) && 0) {
JOT(16, "frame[%2i]: %i=status{=%16s} " \
"%5i=actual " \
"%5i=length " \
"%3i=offset\n", \
i, purb->iso_frame_desc[i].status, &errbuf[0],
purb->iso_frame_desc[i].actual_length,
purb->iso_frame_desc[i].length,
purb->iso_frame_desc[i].offset);
}
if (!purb->iso_frame_desc[i].status) {
more = purb->iso_frame_desc[i].actual_length;
......@@ -319,11 +363,12 @@ for (i = 0; i < purb->number_of_packets; i++) {
#endif
if (!more)
mt++;
peasycap->audio_mt++;
else {
if (mt) {
JOT(16, "%4i empty audio urb frames\n", mt);
mt = 0;
if (peasycap->audio_mt) {
JOM(16, "%4i empty audio urb frames\n", \
peasycap->audio_mt);
peasycap->audio_mt = 0;
}
p1 = (__u8 *)(purb->transfer_buffer + \
......@@ -340,13 +385,13 @@ for (i = 0; i < purb->number_of_packets; i++) {
/*---------------------------------------------------------------------------*/
while (more) {
if (0 > more) {
SAY("easysnd_complete: MISTAKE: " \
SAM("easysnd_complete: MISTAKE: " \
"more is negative\n");
return;
}
if (peasycap->audio_buffer_page_many <= \
peasycap->audio_fill) {
SAY("ERROR: bad " \
SAM("ERROR: bad " \
"peasycap->audio_fill\n");
return;
}
......@@ -355,7 +400,7 @@ for (i = 0; i < purb->number_of_packets; i++) {
[peasycap->audio_fill];
if (PAGE_SIZE < (paudio_buffer->pto - \
paudio_buffer->pgo)) {
SAY("ERROR: bad paudio_buffer->pto\n");
SAM("ERROR: bad paudio_buffer->pto\n");
return;
}
if (PAGE_SIZE == (paudio_buffer->pto - \
......@@ -374,7 +419,7 @@ for (i = 0; i < purb->number_of_packets; i++) {
peasycap->audio_fill)
peasycap->audio_fill = 0;
JOT(12, "bumped peasycap->" \
JOM(12, "bumped peasycap->" \
"audio_fill to %i\n", \
peasycap->audio_fill);
......@@ -387,7 +432,7 @@ for (i = 0; i < purb->number_of_packets; i++) {
if (!(peasycap->audio_fill % \
peasycap->\
audio_pages_per_fragment)) {
JOT(12, "wakeup call on wq_" \
JOM(12, "wakeup call on wq_" \
"audio, %i=frag reading %i" \
"=fragment fill\n", \
(peasycap->audio_read / \
......@@ -414,7 +459,7 @@ for (i = 0; i < purb->number_of_packets; i++) {
} else {
#if defined(UPSAMPLE)
if (much % 16)
JOT(8, "MISTAKE? much" \
JOM(8, "MISTAKE? much" \
" is not divisible by 16\n");
if (much > (16 * \
more))
......@@ -468,7 +513,7 @@ for (i = 0; i < purb->number_of_packets; i++) {
}
}
} else {
JOT(12, "discarding audio samples because " \
JOM(12, "discarding audio samples because " \
"%i=purb->iso_frame_desc[i].status\n", \
purb->iso_frame_desc[i].status);
}
......@@ -486,38 +531,50 @@ peasycap->oldaudio = oldaudio;
if (peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_ATOMIC);
if (0 != rc) {
SAY("ERROR: while %i=audio_idle, usb_submit_urb() failed " \
if (-ENODEV != rc) {
SAM("ERROR: while %i=audio_idle, " \
"usb_submit_urb() failed " \
"with rc:\n", peasycap->audio_idle);
}
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n"); break;
SAM("-ENOMEM\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n"); break;
break;
}
case -ENXIO: {
SAY("ENXIO\n"); break;
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n"); break;
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n"); break;
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n"); break;
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n"); break;
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
SAM("-ENOSPC\n");
break;
}
default: {
SAY("0x%08X\n", rc); break;
SAM("unknown error: 0x%08X\n", rc);
break;
}
}
}
......@@ -529,8 +586,7 @@ return;
/*
* THE AUDIO URBS ARE SUBMITTED AT THIS EARLY STAGE SO THAT IT IS POSSIBLE TO
* STREAM FROM /dev/easysnd1 WITH SIMPLE PROGRAMS SUCH AS cat WHICH DO NOT
* HAVE AN IOCTL INTERFACE. THE VIDEO URBS, BY CONTRAST, MUST BE SUBMITTED
* MUCH LATER: SEE COMMENTS IN FILE easycap_main.c.
* HAVE AN IOCTL INTERFACE.
*/
/*---------------------------------------------------------------------------*/
int
......@@ -540,7 +596,7 @@ struct usb_interface *pusb_interface;
struct easycap *peasycap;
int subminor, rc;
JOT(4, "begins.\n");
JOT(4, "begins\n");
subminor = iminor(inode);
......@@ -561,56 +617,54 @@ file->private_data = peasycap;
/*---------------------------------------------------------------------------*/
/*
* INITIALIZATION.
* INITIALIZATION
*/
/*---------------------------------------------------------------------------*/
JOT(4, "starting initialization\n");
JOM(4, "starting initialization\n");
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
} else {
JOT(16, "0x%08lX=peasycap->pusb_device\n", \
(long int)peasycap->pusb_device);
}
JOM(16, "0x%08lX=peasycap->pusb_device\n", (long int)peasycap->pusb_device);
rc = audio_setup(peasycap);
if (0 <= rc)
JOT(8, "audio_setup() returned %i\n", rc);
JOM(8, "audio_setup() returned %i\n", rc);
else
JOT(8, "easysnd open(): ERROR: audio_setup() returned %i\n", rc);
JOM(8, "easysnd open(): ERROR: audio_setup() returned %i\n", rc);
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device has become NULL\n");
SAM("ERROR: peasycap->pusb_device has become NULL\n");
return -EFAULT;
}
rc = adjust_volume(peasycap, -8192);
if (0 != rc) {
SAY("ERROR: adjust_volume(default) returned %i\n", rc);
SAM("ERROR: adjust_volume(default) returned %i\n", rc);
return -EFAULT;
}
/*---------------------------------------------------------------------------*/
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device has become NULL\n");
SAM("ERROR: peasycap->pusb_device has become NULL\n");
return -EFAULT;
}
rc = usb_set_interface(peasycap->pusb_device, peasycap->audio_interface, \
peasycap->audio_altsetting_on);
JOT(8, "usb_set_interface(.,%i,%i) returned %i\n", peasycap->audio_interface, \
JOM(8, "usb_set_interface(.,%i,%i) returned %i\n", peasycap->audio_interface, \
peasycap->audio_altsetting_on, rc);
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device has become NULL\n");
SAM("ERROR: peasycap->pusb_device has become NULL\n");
return -EFAULT;
}
rc = wakeup_device(peasycap->pusb_device);
if (0 == rc)
JOT(8, "wakeup_device() returned %i\n", rc);
JOM(8, "wakeup_device() returned %i\n", rc);
else
JOT(8, "easysnd open(): ERROR: wakeup_device() returned %i\n", rc);
JOM(8, "easysnd open(): ERROR: wakeup_device() returned %i\n", rc);
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device has become NULL\n");
SAM("ERROR: peasycap->pusb_device has become NULL\n");
return -EFAULT;
}
submit_audio_urbs(peasycap);
......@@ -619,7 +673,7 @@ peasycap->audio_idle = 0;
peasycap->timeval1.tv_sec = 0;
peasycap->timeval1.tv_usec = 0;
JOT(4, "finished initialization\n");
JOM(4, "finished initialization\n");
return 0;
}
/*****************************************************************************/
......@@ -636,10 +690,10 @@ if (NULL == peasycap) {
return -EFAULT;
}
if (0 != kill_audio_urbs(peasycap)) {
SAY("ERROR: kill_audio_urbs() failed\n");
SAM("ERROR: kill_audio_urbs() failed\n");
return -EFAULT;
}
JOT(4, "ending successfully\n");
JOM(4, "ending successfully\n");
return 0;
}
/*****************************************************************************/
......@@ -648,8 +702,7 @@ easysnd_read(struct file *file, char __user *puserspacebuffer, \
size_t kount, loff_t *poff)
{
struct timeval timeval;
static struct timeval timeval1;
static long long int audio_bytes, above, below, mean;
long long int above, below, mean;
struct signed_div_result sdr;
unsigned char *p0;
long int kount1, more, rc, l0, lm;
......@@ -679,15 +732,15 @@ if (NULL == peasycap) {
/*---------------------------------------------------------------------------*/
if ((0 > peasycap->audio_read) || \
(peasycap->audio_buffer_page_many <= peasycap->audio_read)) {
SAY("ERROR: peasycap->audio_read out of range\n");
SAM("ERROR: peasycap->audio_read out of range\n");
return -EFAULT;
}
pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read];
if ((struct data_buffer *)NULL == pdata_buffer) {
SAY("ERROR: pdata_buffer is NULL\n");
SAM("ERROR: pdata_buffer is NULL\n");
return -EFAULT;
}
JOT(12, "before wait, %i=frag read %i=frag fill\n", \
JOM(12, "before wait, %i=frag read %i=frag fill\n", \
(peasycap->audio_read / peasycap->audio_pages_per_fragment), \
(peasycap->audio_fill / peasycap->audio_pages_per_fragment));
fragment = (peasycap->audio_read / peasycap->audio_pages_per_fragment);
......@@ -695,7 +748,7 @@ while ((fragment == (peasycap->audio_fill / \
peasycap->audio_pages_per_fragment)) || \
(0 == (PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo)))) {
if (file->f_flags & O_NONBLOCK) {
JOT(16, "returning -EAGAIN as instructed\n");
JOM(16, "returning -EAGAIN as instructed\n");
return -EAGAIN;
}
rc = wait_event_interruptible(peasycap->wq_audio, \
......@@ -704,50 +757,50 @@ while ((fragment == (peasycap->audio_fill / \
peasycap->audio_pages_per_fragment)) && \
(0 < (PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo))))));
if (0 != rc) {
SAY("aborted by signal\n");
SAM("aborted by signal\n");
return -ERESTARTSYS;
}
if (peasycap->audio_eof) {
JOT(8, "returning 0 because %i=audio_eof\n", \
JOM(8, "returning 0 because %i=audio_eof\n", \
peasycap->audio_eof);
kill_audio_urbs(peasycap);
msleep(500);
return 0;
}
if (peasycap->audio_idle) {
JOT(16, "returning 0 because %i=audio_idle\n", \
JOM(16, "returning 0 because %i=audio_idle\n", \
peasycap->audio_idle);
return 0;
}
if (!peasycap->audio_isoc_streaming) {
JOT(16, "returning 0 because audio urbs not streaming\n");
JOM(16, "returning 0 because audio urbs not streaming\n");
return 0;
}
}
JOT(12, "after wait, %i=frag read %i=frag fill\n", \
JOM(12, "after wait, %i=frag read %i=frag fill\n", \
(peasycap->audio_read / peasycap->audio_pages_per_fragment), \
(peasycap->audio_fill / peasycap->audio_pages_per_fragment));
szret = (size_t)0;
while (fragment == (peasycap->audio_read / \
peasycap->audio_pages_per_fragment)) {
if (NULL == pdata_buffer->pgo) {
SAY("ERROR: pdata_buffer->pgo is NULL\n");
SAM("ERROR: pdata_buffer->pgo is NULL\n");
return -EFAULT;
}
if (NULL == pdata_buffer->pto) {
SAY("ERROR: pdata_buffer->pto is NULL\n");
SAM("ERROR: pdata_buffer->pto is NULL\n");
return -EFAULT;
}
kount1 = PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo);
if (0 > kount1) {
SAY("easysnd_read: MISTAKE: kount1 is negative\n");
SAM("easysnd_read: MISTAKE: kount1 is negative\n");
return -ERESTARTSYS;
}
if (!kount1) {
(peasycap->audio_read)++;
if (peasycap->audio_buffer_page_many <= peasycap->audio_read)
peasycap->audio_read = 0;
JOT(12, "bumped peasycap->audio_read to %i\n", \
JOM(12, "bumped peasycap->audio_read to %i\n", \
peasycap->audio_read);
if (fragment != (peasycap->audio_read / \
......@@ -757,30 +810,30 @@ while (fragment == (peasycap->audio_read / \
if ((0 > peasycap->audio_read) || \
(peasycap->audio_buffer_page_many <= \
peasycap->audio_read)) {
SAY("ERROR: peasycap->audio_read out of range\n");
SAM("ERROR: peasycap->audio_read out of range\n");
return -EFAULT;
}
pdata_buffer = &peasycap->audio_buffer[peasycap->audio_read];
if ((struct data_buffer *)NULL == pdata_buffer) {
SAY("ERROR: pdata_buffer is NULL\n");
SAM("ERROR: pdata_buffer is NULL\n");
return -EFAULT;
}
if (NULL == pdata_buffer->pgo) {
SAY("ERROR: pdata_buffer->pgo is NULL\n");
SAM("ERROR: pdata_buffer->pgo is NULL\n");
return -EFAULT;
}
if (NULL == pdata_buffer->pto) {
SAY("ERROR: pdata_buffer->pto is NULL\n");
SAM("ERROR: pdata_buffer->pto is NULL\n");
return -EFAULT;
}
kount1 = PAGE_SIZE - (pdata_buffer->pto - pdata_buffer->pgo);
}
JOT(12, "ready to send %li bytes\n", (long int) kount1);
JOT(12, "still to send %li bytes\n", (long int) kount);
JOM(12, "ready to send %li bytes\n", (long int) kount1);
JOM(12, "still to send %li bytes\n", (long int) kount);
more = kount1;
if (more > kount)
more = kount;
JOT(12, "agreed to send %li bytes from page %i\n", \
JOM(12, "agreed to send %li bytes from page %i\n", \
more, peasycap->audio_read);
if (!more)
break;
......@@ -798,7 +851,7 @@ while (fragment == (peasycap->audio_read / \
/*---------------------------------------------------------------------------*/
rc = copy_to_user(puserspacebuffer, pdata_buffer->pto, more);
if (0 != rc) {
SAY("ERROR: copy_to_user() returned %li\n", rc);
SAM("ERROR: copy_to_user() returned %li\n", rc);
return -EFAULT;
}
*poff += (loff_t)more;
......@@ -807,11 +860,11 @@ while (fragment == (peasycap->audio_read / \
puserspacebuffer += more;
kount -= (size_t)more;
}
JOT(12, "after read, %i=frag read %i=frag fill\n", \
JOM(12, "after read, %i=frag read %i=frag fill\n", \
(peasycap->audio_read / peasycap->audio_pages_per_fragment), \
(peasycap->audio_fill / peasycap->audio_pages_per_fragment));
if (kount < 0) {
SAY("MISTAKE: %li=kount %li=szret\n", \
SAM("MISTAKE: %li=kount %li=szret\n", \
(long int)kount, (long int)szret);
}
/*---------------------------------------------------------------------------*/
......@@ -827,11 +880,11 @@ if (peasycap->audio_sample) {
mean = peasycap->audio_niveau;
sdr = signed_div(mean, peasycap->audio_sample);
JOT(8, "%8lli=mean %8lli=meansquare after %lli samples, =>\n", \
JOM(8, "%8lli=mean %8lli=meansquare after %lli samples, =>\n", \
sdr.quotient, above, peasycap->audio_sample);
sdr = signed_div(above, 32768);
JOT(8, "audio dynamic range is roughly %lli\n", sdr.quotient);
JOM(8, "audio dynamic range is roughly %lli\n", sdr.quotient);
}
/*---------------------------------------------------------------------------*/
/*
......@@ -840,26 +893,27 @@ if (peasycap->audio_sample) {
/*---------------------------------------------------------------------------*/
do_gettimeofday(&timeval);
if (!peasycap->timeval1.tv_sec) {
audio_bytes = 0;
timeval1 = timeval;
peasycap->timeval1 = timeval1;
peasycap->audio_bytes = 0;
peasycap->timeval3 = timeval;
peasycap->timeval1 = peasycap->timeval3;
sdr.quotient = 192000;
} else {
audio_bytes += (long long int) szret;
peasycap->audio_bytes += (long long int) szret;
below = ((long long int)(1000000)) * \
((long long int)(timeval.tv_sec - timeval1.tv_sec)) + \
(long long int)(timeval.tv_usec - timeval1.tv_usec);
above = 1000000 * ((long long int) audio_bytes);
((long long int)(timeval.tv_sec - \
peasycap->timeval3.tv_sec)) + \
(long long int)(timeval.tv_usec - peasycap->timeval3.tv_usec);
above = 1000000 * ((long long int) peasycap->audio_bytes);
if (below)
sdr = signed_div(above, below);
else
sdr.quotient = 192000;
}
JOT(8, "audio streaming at %lli bytes/second\n", sdr.quotient);
JOM(8, "audio streaming at %lli bytes/second\n", sdr.quotient);
peasycap->dnbydt = sdr.quotient;
JOT(8, "returning %li\n", (long int)szret);
JOM(8, "returning %li\n", (long int)szret);
return szret;
}
/*****************************************************************************/
......@@ -874,27 +928,31 @@ submit_audio_urbs(struct easycap *peasycap)
struct data_urb *pdata_urb;
struct urb *purb;
struct list_head *plist_head;
int j, isbad, m, rc;
int j, isbad, nospc, m, rc;
int isbuf;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if ((struct list_head *)NULL == peasycap->purb_audio_head) {
SAY("ERROR: peasycap->urb_audio_head uninitialized\n");
SAM("ERROR: peasycap->urb_audio_head uninitialized\n");
return -EFAULT;
}
if ((struct usb_device *)NULL == peasycap->pusb_device) {
SAY("ERROR: peasycap->pusb_device is NULL\n");
SAM("ERROR: peasycap->pusb_device is NULL\n");
return -EFAULT;
}
if (!peasycap->audio_isoc_streaming) {
JOT(4, "initial submission of all audio urbs\n");
JOM(4, "initial submission of all audio urbs\n");
rc = usb_set_interface(peasycap->pusb_device,
peasycap->audio_interface, \
peasycap->audio_altsetting_on);
JOT(8, "usb_set_interface(.,%i,%i) returned %i\n", \
JOM(8, "usb_set_interface(.,%i,%i) returned %i\n", \
peasycap->audio_interface, \
peasycap->audio_altsetting_on, rc);
isbad = 0; m = 0;
isbad = 0; nospc = 0; m = 0;
list_for_each(plist_head, (peasycap->purb_audio_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, list_head);
if (NULL != pdata_urb) {
......@@ -931,39 +989,49 @@ if (!peasycap->audio_isoc_streaming) {
rc = usb_submit_urb(purb, GFP_KERNEL);
if (0 != rc) {
isbad++;
SAY("ERROR: usb_submit_urb() failed" \
SAM("ERROR: usb_submit_urb() failed" \
" for urb with rc:\n");
switch (rc) {
case -ENOMEM: {
SAY("ENOMEM\n"); break;
SAM("-ENOMEM\n");
break;
}
case -ENODEV: {
SAY("ENODEV\n"); break;
SAM("-ENODEV\n");
break;
}
case -ENXIO: {
SAY("ENXIO\n"); break;
SAM("-ENXIO\n");
break;
}
case -EINVAL: {
SAY("EINVAL\n"); break;
SAM("-EINVAL\n");
break;
}
case -EAGAIN: {
SAY("EAGAIN\n"); break;
SAM("-EAGAIN\n");
break;
}
case -EFBIG: {
SAY("EFBIG\n"); break;
SAM("-EFBIG\n");
break;
}
case -EPIPE: {
SAY("EPIPE\n"); break;
SAM("-EPIPE\n");
break;
}
case -EMSGSIZE: {
SAY("EMSGSIZE\n"); break;
SAM("-EMSGSIZE\n");
break;
}
case -ENOSPC: {
SAY("ENOSPC\n"); break;
nospc++;
break;
}
default: {
SAY("unknown error code %i\n",\
rc); break;
SAM("unknown error code %i\n",\
rc);
break;
}
}
} else {
......@@ -976,8 +1044,13 @@ if (!peasycap->audio_isoc_streaming) {
isbad++;
}
}
if (nospc) {
SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc);
SAM("..... possibly inadequate USB bandwidth\n");
peasycap->audio_eof = 1;
}
if (isbad) {
JOT(4, "attempting cleanup instead of submitting\n");
JOM(4, "attempting cleanup instead of submitting\n");
list_for_each(plist_head, (peasycap->purb_audio_head)) {
pdata_urb = list_entry(plist_head, struct data_urb, \
list_head);
......@@ -990,10 +1063,10 @@ if (!peasycap->audio_isoc_streaming) {
peasycap->audio_isoc_streaming = 0;
} else {
peasycap->audio_isoc_streaming = 1;
JOT(4, "submitted %i audio urbs\n", m);
JOM(4, "submitted %i audio urbs\n", m);
}
} else
JOT(4, "already streaming audio urbs\n");
JOM(4, "already streaming audio urbs\n");
return 0;
}
......@@ -1010,10 +1083,14 @@ int m;
struct list_head *plist_head;
struct data_urb *pdata_urb;
if (NULL == peasycap) {
SAY("ERROR: peasycap is NULL\n");
return -EFAULT;
}
if (peasycap->audio_isoc_streaming) {
if ((struct list_head *)NULL != peasycap->purb_audio_head) {
peasycap->audio_isoc_streaming = 0;
JOT(4, "killing audio urbs\n");
JOM(4, "killing audio urbs\n");
m = 0;
list_for_each(plist_head, (peasycap->purb_audio_head)) {
pdata_urb = list_entry(plist_head, struct data_urb,
......@@ -1025,13 +1102,13 @@ if (peasycap->audio_isoc_streaming) {
}
}
}
JOT(4, "%i audio urbs killed\n", m);
JOM(4, "%i audio urbs killed\n", m);
} else {
SAY("ERROR: peasycap->purb_audio_head is NULL\n");
SAM("ERROR: peasycap->purb_audio_head is NULL\n");
return -EFAULT;
}
} else {
JOT(8, "%i=audio_isoc_streaming, no audio urbs killed\n", \
JOM(8, "%i=audio_isoc_streaming, no audio urbs killed\n", \
peasycap->audio_isoc_streaming);
}
return 0;
......
drivers/staging/easycap/easycap_testcard.c
View file @ e68703cf
......@@ -157,7 +157,7 @@ for (i1 = 0; i1 <= last; i1++)
printf("%6i, ", i2); printf("%6i\n};\n", i2);
}
}
return(0);
return 0;
}
-----------------------------------------------------------------------------*/
int tones[2048] = {
......
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