diff options
Diffstat (limited to 'drivers/staging/easycap/easycap_main.c')
-rw-r--r-- | drivers/staging/easycap/easycap_main.c | 4564 |
1 files changed, 2234 insertions, 2330 deletions
diff --git a/drivers/staging/easycap/easycap_main.c b/drivers/staging/easycap/easycap_main.c index fc1a1781227e..e33c3cb7b397 100644 --- a/drivers/staging/easycap/easycap_main.c +++ b/drivers/staging/easycap/easycap_main.c @@ -125,89 +125,87 @@ const char *strerror(int err) * THIS ROUTINE DOES NOT DETECT DUPLICATE OCCURRENCES OF POINTER peasycap */ /*---------------------------------------------------------------------------*/ -int -isdongle(struct easycap *peasycap) +int isdongle(struct easycap *peasycap) { -int k; -if (NULL == peasycap) - return -2; -for (k = 0; k < DONGLE_MANY; k++) { - if (easycapdc60_dongle[k].peasycap == peasycap) { - peasycap->isdongle = k; - return k; + int k; + if (NULL == peasycap) + return -2; + for (k = 0; k < DONGLE_MANY; k++) { + if (easycapdc60_dongle[k].peasycap == peasycap) { + peasycap->isdongle = k; + return k; + } } -} -return -1; + return -1; } /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ static int easycap_open(struct inode *inode, struct file *file) { -#ifndef EASYCAP_IS_VIDEODEV_CLIENT -struct usb_interface *pusb_interface; -#else -struct video_device *pvideo_device; -#endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -struct easycap *peasycap; -int rc; + #ifndef EASYCAP_IS_VIDEODEV_CLIENT + struct usb_interface *pusb_interface; + #else + struct video_device *pvideo_device; + #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ + struct easycap *peasycap; + int rc; -JOT(4, "\n"); -SAY("==========OPEN=========\n"); + JOT(4, "\n"); + SAY("==========OPEN=========\n"); /*---------------------------------------------------------------------------*/ #ifndef EASYCAP_IS_VIDEODEV_CLIENT -if (NULL == inode) { - SAY("ERROR: inode is NULL.\n"); - return -EFAULT; -} -pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode)); -if (!pusb_interface) { - SAY("ERROR: pusb_interface is NULL.\n"); - return -EFAULT; -} -peasycap = usb_get_intfdata(pusb_interface); + if (NULL == inode) { + SAY("ERROR: inode is NULL.\n"); + return -EFAULT; + } + pusb_interface = usb_find_interface(&easycap_usb_driver, iminor(inode)); + if (!pusb_interface) { + SAY("ERROR: pusb_interface is NULL.\n"); + return -EFAULT; + } + peasycap = usb_get_intfdata(pusb_interface); /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ #else -pvideo_device = video_devdata(file); -if (NULL == pvideo_device) { - SAY("ERROR: pvideo_device is NULL.\n"); - return -EFAULT; -} -peasycap = (struct easycap *)video_get_drvdata(pvideo_device); + pvideo_device = video_devdata(file); + if (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 (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: %p\n", peasycap); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -EFAULT; -} else { - JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device); -} -file->private_data = peasycap; -rc = wakeup_device(peasycap->pusb_device); -if (0 == rc) - JOM(8, "wakeup_device() OK\n"); -else { - SAM("ERROR: wakeup_device() returned %i\n", rc); - if (-ENODEV == rc) - SAM("ERROR: wakeup_device() returned -ENODEV\n"); - else - SAM("ERROR: wakeup_device() returned %i\n", rc); - return rc; -} -peasycap->input = 0; -rc = reset(peasycap); -if (rc) { - SAM("ERROR: reset() returned %i\n", rc); - return -EFAULT; -} -return 0; + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; + } + if (NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -EFAULT; + } else { + JOM(16, "peasycap->pusb_device=%p\n", peasycap->pusb_device); + } + file->private_data = peasycap; + rc = wakeup_device(peasycap->pusb_device); + if (0 == rc) + JOM(8, "wakeup_device() OK\n"); + else { + SAM("ERROR: wakeup_device() rc = %i\n", rc); + if (-ENODEV == rc) + SAM("ERROR: wakeup_device() returned -ENODEV\n"); + else + SAM("ERROR: wakeup_device() rc = %i\n", rc); + return rc; + } + peasycap->input = 0; + rc = reset(peasycap); + if (rc) { + SAM("ERROR: reset() rc = %i\n", rc); + return -EFAULT; + } + return 0; } /*****************************************************************************/ @@ -221,15 +219,16 @@ return 0; /*---------------------------------------------------------------------------*/ static int reset(struct easycap *peasycap) { -struct easycap_standard const *peasycap_standard; -int i, rc, input, rate; -bool ntsc, other; + struct easycap_standard const *peasycap_standard; + int i, rc, input, rate; + bool ntsc, other; + int fmtidx; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -input = peasycap->input; + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + input = peasycap->input; /*---------------------------------------------------------------------------*/ /* @@ -242,74 +241,70 @@ input = peasycap->input; * COMPLETE, SO SHOULD NOT BE INVOKED WITHOUT GOOD REASON. */ /*---------------------------------------------------------------------------*/ -other = false; -if (true == peasycap->ntsc) - JOM(8, "true=peasycap->ntsc\n"); -else - JOM(8, "false=peasycap->ntsc\n"); -rate = ready_saa(peasycap->pusb_device); -if (0 > rate) { - JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); - if (true == peasycap->ntsc) { - JOM(8, "... trying PAL ...\n"); ntsc = false; - } else { - JOM(8, "... trying NTSC ...\n"); ntsc = true; -} -rc = setup_stk(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_stk() OK\n"); -else { - SAM("ERROR: setup_stk() returned %i\n", rc); - return -EFAULT; -} -rc = setup_saa(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_saa() OK\n"); -else { - SAM("ERROR: setup_saa() returned %i\n", rc); - return -EFAULT; -} -rate = ready_saa(peasycap->pusb_device); -if (0 > rate) { - JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); - JOM(8, "... saa register 0x1F has 0x%02X\n", - read_saa(peasycap->pusb_device, 0x1F)); - ntsc = peasycap->ntsc; + other = false; + JOM(8, "peasycap->ntsc=%d\n", peasycap->ntsc); + + rate = ready_saa(peasycap->pusb_device); + if (0 > rate) { + JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); + if (true == peasycap->ntsc) { + JOM(8, "... trying PAL ...\n"); ntsc = false; + } else { + JOM(8, "... trying NTSC ...\n"); ntsc = true; + } + rc = setup_stk(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_stk() OK\n"); + else { + SAM("ERROR: setup_stk() rc = %i\n", rc); + return -EFAULT; + } + rc = setup_saa(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_saa() OK\n"); + else { + SAM("ERROR: setup_saa() rc = %i\n", rc); + return -EFAULT; + } + rate = ready_saa(peasycap->pusb_device); + if (0 > rate) { + JOM(8, "not ready to capture after %i ms ...\n", PATIENCE); + JOM(8, "... saa register 0x1F has 0x%02X\n", + read_saa(peasycap->pusb_device, 0x1F)); + ntsc = peasycap->ntsc; + } else { + JOM(8, "... success at second try: %i=rate\n", rate); + ntsc = (0 < (rate/2)) ? true : false ; + other = true; + } } else { - JOM(8, "... success at second try: %i=rate\n", rate); - ntsc = (0 < (rate/2)) ? true : false ; - other = true; + JOM(8, "... success at first try: %i=rate\n", rate); + ntsc = (0 < rate/2) ? true : false ; + } + JOM(8, "ntsc=%d\n", ntsc); +/*---------------------------------------------------------------------------*/ + + rc = setup_stk(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_stk() OK\n"); + else { + SAM("ERROR: setup_stk() rc = %i\n", rc); + return -EFAULT; + } + rc = setup_saa(peasycap->pusb_device, ntsc); + if (0 == rc) + JOM(4, "setup_saa() OK\n"); + else { + SAM("ERROR: setup_saa() rc = %i\n", rc); + return -EFAULT; } -} else { - JOM(8, "... success at first try: %i=rate\n", rate); - ntsc = (0 < rate/2) ? true : false ; -} -if (true == ntsc) - JOM(8, "true=ntsc\n"); -else - JOM(8, "false=ntsc\n"); -/*---------------------------------------------------------------------------*/ - -rc = setup_stk(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_stk() OK\n"); -else { - SAM("ERROR: setup_stk() returned %i\n", rc); - return -EFAULT; -} -rc = setup_saa(peasycap->pusb_device, ntsc); -if (0 == rc) - JOM(4, "setup_saa() OK\n"); -else { - SAM("ERROR: setup_saa() returned %i\n", rc); - return -EFAULT; -} -for (i = 0; i < 180; i++) - peasycap->merit[i] = 0; -peasycap->video_eof = 0; -peasycap->audio_eof = 0; -do_gettimeofday(&peasycap->timeval7); + for (i = 0; i < 180; i++) + peasycap->merit[i] = 0; + + peasycap->video_eof = 0; + peasycap->audio_eof = 0; + do_gettimeofday(&peasycap->timeval7); /*---------------------------------------------------------------------------*/ /* * RESTORE INPUT AND FORCE REFRESH OF STANDARD, FORMAT, ETC. @@ -317,86 +312,75 @@ do_gettimeofday(&peasycap->timeval7); * WHILE THIS PROCEDURE IS IN PROGRESS, SOME IOCTL COMMANDS WILL RETURN -EBUSY. */ /*---------------------------------------------------------------------------*/ -peasycap->input = -8192; -peasycap->standard_offset = -8192; -if (true == other) { - peasycap_standard = &easycap_standard[0]; - while (0xFFFF != peasycap_standard->mask) { - if (true == ntsc) { - if (NTSC_M == peasycap_standard->v4l2_standard.index) { - peasycap->inputset[input].standard_offset = - peasycap_standard - - &easycap_standard[0]; - break; - } - } else { - if (PAL_BGHIN == - peasycap_standard->v4l2_standard.index) { + peasycap->input = -8192; + peasycap->standard_offset = -8192; + fmtidx = ntsc ? NTSC_M : PAL_BGHIN; + if (other) { + peasycap_standard = &easycap_standard[0]; + while (0xFFFF != peasycap_standard->mask) { + if (fmtidx == peasycap_standard->v4l2_standard.index) { peasycap->inputset[input].standard_offset = - peasycap_standard - - &easycap_standard[0]; + peasycap_standard - easycap_standard; break; } + peasycap_standard++; } - peasycap_standard++; - } - if (0xFFFF == peasycap_standard->mask) { - SAM("ERROR: standard not found\n"); - return -EINVAL; + if (0xFFFF == peasycap_standard->mask) { + SAM("ERROR: standard not found\n"); + return -EINVAL; + } + JOM(8, "%i=peasycap->inputset[%i].standard_offset\n", + peasycap->inputset[input].standard_offset, input); } -JOM(8, "%i=peasycap->inputset[%i].standard_offset\n", - peasycap->inputset[input].standard_offset, input); -} -peasycap->format_offset = -8192; -peasycap->brightness = -8192; -peasycap->contrast = -8192; -peasycap->saturation = -8192; -peasycap->hue = -8192; + peasycap->format_offset = -8192; + peasycap->brightness = -8192; + peasycap->contrast = -8192; + peasycap->saturation = -8192; + peasycap->hue = -8192; -rc = newinput(peasycap, input); + rc = newinput(peasycap, input); -if (0 == rc) + if (rc) { + SAM("ERROR: newinput(.,%i) rc = %i\n", rc, input); + return -EFAULT; + } JOM(4, "restored input, standard and format\n"); -else { - SAM("ERROR: newinput(.,%i) returned %i\n", rc, input); - return -EFAULT; -} -if (true == peasycap->ntsc) - JOM(8, "true=peasycap->ntsc\n"); -else - JOM(8, "false=peasycap->ntsc\n"); - -if (0 > peasycap->input) { - SAM("MISTAKE: %i=peasycap->input\n", peasycap->input); - return -ENOENT; -} -if (0 > peasycap->standard_offset) { - SAM("MISTAKE: %i=peasycap->standard_offset\n", - peasycap->standard_offset); - return -ENOENT; -} -if (0 > peasycap->format_offset) { - SAM("MISTAKE: %i=peasycap->format_offset\n", - peasycap->format_offset); - return -ENOENT; -} -if (0 > peasycap->brightness) { - SAM("MISTAKE: %i=peasycap->brightness\n", peasycap->brightness); - return -ENOENT; -} -if (0 > peasycap->contrast) { - SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast); - return -ENOENT; -} -if (0 > peasycap->saturation) { - SAM("MISTAKE: %i=peasycap->saturation\n", peasycap->saturation); - return -ENOENT; -} -if (0 > peasycap->hue) { - SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue); - return -ENOENT; -} -return 0; + + JOM(8, "true=peasycap->ntsc %d\n", peasycap->ntsc); + + if (0 > peasycap->input) { + SAM("MISTAKE: %i=peasycap->input\n", peasycap->input); + return -ENOENT; + } + if (0 > peasycap->standard_offset) { + SAM("MISTAKE: %i=peasycap->standard_offset\n", + peasycap->standard_offset); + return -ENOENT; + } + if (0 > peasycap->format_offset) { + SAM("MISTAKE: %i=peasycap->format_offset\n", + peasycap->format_offset); + return -ENOENT; + } + if (0 > peasycap->brightness) { + SAM("MISTAKE: %i=peasycap->brightness\n", + peasycap->brightness); + return -ENOENT; + } + if (0 > peasycap->contrast) { + SAM("MISTAKE: %i=peasycap->contrast\n", peasycap->contrast); + return -ENOENT; + } + if (0 > peasycap->saturation) { + SAM("MISTAKE: %i=peasycap->saturation\n", + peasycap->saturation); + return -ENOENT; + } + if (0 > peasycap->hue) { + SAM("MISTAKE: %i=peasycap->hue\n", peasycap->hue); + return -ENOENT; + } + return 0; } /*****************************************************************************/ /*---------------------------------------------------------------------------*/ @@ -418,21 +402,21 @@ return 0; int newinput(struct easycap *peasycap, int input) { -int rc, k, m, mood, off; -int inputnow, video_idlenow, audio_idlenow; -bool resubmit; + int rc, k, m, mood, off; + int inputnow, video_idlenow, audio_idlenow; + bool resubmit; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} -JOM(8, "%i=input sought\n", input); + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + JOM(8, "%i=input sought\n", input); -if (0 > input && INPUT_MANY <= input) - return -ENOENT; -inputnow = peasycap->input; -if (input == inputnow) - return 0; + if (0 > input && INPUT_MANY <= input) + return -ENOENT; + inputnow = peasycap->input; + if (input == inputnow) + return 0; /*---------------------------------------------------------------------------*/ /* * IF STREAMING IS IN PROGRESS THE URBS ARE KILLED AT THIS @@ -441,183 +425,187 @@ if (input == inputnow) * ROUTINE. */ /*---------------------------------------------------------------------------*/ -video_idlenow = peasycap->video_idle; -audio_idlenow = peasycap->audio_idle; + video_idlenow = peasycap->video_idle; + audio_idlenow = peasycap->audio_idle; -peasycap->video_idle = 1; -peasycap->audio_idle = 1; -if (peasycap->video_isoc_streaming) { - resubmit = true; - kill_video_urbs(peasycap); -} else - resubmit = false; + peasycap->video_idle = 1; + peasycap->audio_idle = 1; + if (peasycap->video_isoc_streaming) { + resubmit = true; + kill_video_urbs(peasycap); + } else { + resubmit = false; + } /*---------------------------------------------------------------------------*/ -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -rc = usb_set_interface(peasycap->pusb_device, - peasycap->video_interface, - peasycap->video_altsetting_off); -if (rc) { - SAM("ERROR: usb_set_interface() returned %i\n", rc); - return -EFAULT; -} -rc = stop_100(peasycap->pusb_device); -if (rc) { - SAM("ERROR: stop_100() returned %i\n", rc); - return -EFAULT; -} -for (k = 0; k < FIELD_BUFFER_MANY; k++) { - for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) - memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE); -} -for (k = 0; k < FRAME_BUFFER_MANY; k++) { - for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) - memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE); -} -peasycap->field_page = 0; -peasycap->field_read = 0; -peasycap->field_fill = 0; - -peasycap->frame_read = 0; -peasycap->frame_fill = 0; -for (k = 0; k < peasycap->input; k++) { - (peasycap->frame_fill)++; - if (peasycap->frame_buffer_many <= peasycap->frame_fill) - peasycap->frame_fill = 0; -} -peasycap->input = input; -select_input(peasycap->pusb_device, peasycap->input, 9); + if (NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + rc = usb_set_interface(peasycap->pusb_device, + peasycap->video_interface, + peasycap->video_altsetting_off); + if (rc) { + SAM("ERROR: usb_set_interface() rc = %i\n", rc); + return -EFAULT; + } + rc = stop_100(peasycap->pusb_device); + if (rc) { + SAM("ERROR: stop_100() rc = %i\n", rc); + return -EFAULT; + } + for (k = 0; k < FIELD_BUFFER_MANY; k++) { + for (m = 0; m < FIELD_BUFFER_SIZE/PAGE_SIZE; m++) + memset(peasycap->field_buffer[k][m].pgo, 0, PAGE_SIZE); + } + for (k = 0; k < FRAME_BUFFER_MANY; k++) { + for (m = 0; m < FRAME_BUFFER_SIZE/PAGE_SIZE; m++) + memset(peasycap->frame_buffer[k][m].pgo, 0, PAGE_SIZE); + } + peasycap->field_page = 0; + peasycap->field_read = 0; + peasycap->field_fill = 0; + + peasycap->frame_read = 0; + peasycap->frame_fill = 0; + for (k = 0; k < peasycap->input; k++) { + (peasycap->frame_fill)++; + if (peasycap->frame_buffer_many <= peasycap->frame_fill) + peasycap->frame_fill = 0; + } + peasycap->input = input; + select_input(peasycap->pusb_device, peasycap->input, 9); /*---------------------------------------------------------------------------*/ -if (input == peasycap->inputset[input].input) { - off = peasycap->inputset[input].standard_offset; - if (off != peasycap->standard_offset) { - rc = adjust_standard(peasycap, + if (input == peasycap->inputset[input].input) { + off = peasycap->inputset[input].standard_offset; + if (off != peasycap->standard_offset) { + rc = adjust_standard(peasycap, easycap_standard[off].v4l2_standard.id); - if (rc) { - SAM("ERROR: adjust_standard() returned %i\n", rc); - return -EFAULT; - } - JOM(8, "%i=peasycap->standard_offset\n", - peasycap->standard_offset); - } else { - JOM(8, "%i=peasycap->standard_offset unchanged\n", + if (rc) { + SAM("ERROR: adjust_standard() rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->standard_offset\n", + peasycap->standard_offset); + } else { + JOM(8, "%i=peasycap->standard_offset unchanged\n", peasycap->standard_offset); - } - off = peasycap->inputset[input].format_offset; - if (off != peasycap->format_offset) { - rc = adjust_format(peasycap, - easycap_format[off].v4l2_format.fmt.pix.width, - easycap_format[off].v4l2_format.fmt.pix.height, - easycap_format[off].v4l2_format.fmt.pix.pixelformat, - easycap_format[off].v4l2_format.fmt.pix.field, false); - if (0 > rc) { - SAM("ERROR: adjust_format() returned %i\n", rc); - return -EFAULT; } - JOM(8, "%i=peasycap->format_offset\n", peasycap->format_offset); - } else { - JOM(8, "%i=peasycap->format_offset unchanged\n", - peasycap->format_offset); - } - mood = peasycap->inputset[input].brightness; - if (mood != peasycap->brightness) { - rc = adjust_brightness(peasycap, mood); - if (rc) { - SAM("ERROR: adjust_brightness returned %i\n", rc); - return -EFAULT; + off = peasycap->inputset[input].format_offset; + if (off != peasycap->format_offset) { + struct v4l2_pix_format *pix = + &easycap_format[off].v4l2_format.fmt.pix; + rc = adjust_format(peasycap, + pix->width, pix->height, + pix->pixelformat, pix->field, false); + if (0 > rc) { + SAM("ERROR: adjust_format() rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->format_offset\n", + peasycap->format_offset); + } else { + JOM(8, "%i=peasycap->format_offset unchanged\n", + peasycap->format_offset); } - JOM(8, "%i=peasycap->brightness\n", peasycap->brightness); - } - mood = peasycap->inputset[input].contrast; - if (mood != peasycap->contrast) { - rc = adjust_contrast(peasycap, mood); - if (rc) { - SAM("ERROR: adjust_contrast returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].brightness; + if (mood != peasycap->brightness) { + rc = adjust_brightness(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_brightness rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->brightness\n", + peasycap->brightness); } - JOM(8, "%i=peasycap->contrast\n", peasycap->contrast); - } - mood = peasycap->inputset[input].saturation; - if (mood != peasycap->saturation) { - rc = adjust_saturation(peasycap, mood); - if (rc) { - SAM("ERROR: adjust_saturation returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].contrast; + if (mood != peasycap->contrast) { + rc = adjust_contrast(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_contrast rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->contrast\n", peasycap->contrast); } - JOM(8, "%i=peasycap->saturation\n", peasycap->saturation); - } - mood = peasycap->inputset[input].hue; - if (mood != peasycap->hue) { - rc = adjust_hue(peasycap, mood); - if (rc) { - SAM("ERROR: adjust_hue returned %i\n", rc); - return -EFAULT; + mood = peasycap->inputset[input].saturation; + if (mood != peasycap->saturation) { + rc = adjust_saturation(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_saturation rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->saturation\n", + peasycap->saturation); + } + mood = peasycap->inputset[input].hue; + if (mood != peasycap->hue) { + rc = adjust_hue(peasycap, mood); + if (rc) { + SAM("ERROR: adjust_hue rc = %i\n", rc); + return -EFAULT; + } + JOM(8, "%i=peasycap->hue\n", peasycap->hue); } - JOM(8, "%i=peasycap->hue\n", peasycap->hue); + } else { + SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input); + return -ENOENT; } -} else { - SAM("MISTAKE: easycap.inputset[%i] unpopulated\n", input); - return -ENOENT; -} /*---------------------------------------------------------------------------*/ -if (NULL == peasycap->pusb_device) { - SAM("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -rc = usb_set_interface(peasycap->pusb_device, - peasycap->video_interface, - peasycap->video_altsetting_on); -if (rc) { - SAM("ERROR: usb_set_interface() returned %i\n", rc); - return -EFAULT; -} -rc = start_100(peasycap->pusb_device); -if (rc) { - SAM("ERROR: start_100() returned %i\n", rc); - return -EFAULT; -} -if (true == resubmit) - submit_video_urbs(peasycap); + if (NULL == peasycap->pusb_device) { + SAM("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + rc = usb_set_interface(peasycap->pusb_device, + peasycap->video_interface, + peasycap->video_altsetting_on); + if (rc) { + SAM("ERROR: usb_set_interface() rc = %i\n", rc); + return -EFAULT; + } + rc = start_100(peasycap->pusb_device); + if (rc) { + SAM("ERROR: start_100() rc = %i\n", rc); + return -EFAULT; + } + if (true == resubmit) + submit_video_urbs(peasycap); -peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1; -peasycap->video_idle = video_idlenow; -peasycap->audio_idle = audio_idlenow; -peasycap->video_junk = 0; + peasycap->video_isoc_sequence = VIDEO_ISOC_BUFFER_MANY - 1; + peasycap->video_idle = video_idlenow; + peasycap->audio_idle = audio_idlenow; + peasycap->video_junk = 0; -return 0; + return 0; } /*****************************************************************************/ int submit_video_urbs(struct easycap *peasycap) { -struct data_urb *pdata_urb; -struct urb *purb; -struct list_head *plist_head; -int j, isbad, nospc, m, rc; -int isbuf; - -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - return -EFAULT; -} + struct data_urb *pdata_urb; + struct urb *purb; + struct list_head *plist_head; + int j, isbad, nospc, m, rc; + int isbuf; -if (NULL == peasycap->purb_video_head) { - SAY("ERROR: peasycap->urb_video_head uninitialized\n"); - return -EFAULT; -} -if (NULL == peasycap->pusb_device) { - SAY("ERROR: peasycap->pusb_device is NULL\n"); - return -ENODEV; -} -if (!peasycap->video_isoc_streaming) { - 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) { - purb = pdata_urb->purb; - if (NULL != purb) { + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + + if (NULL == peasycap->purb_video_head) { + SAY("ERROR: peasycap->urb_video_head uninitialized\n"); + return -EFAULT; + } + if (NULL == peasycap->pusb_device) { + SAY("ERROR: peasycap->pusb_device is NULL\n"); + return -ENODEV; + } + if (!peasycap->video_isoc_streaming) { + 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 (pdata_urb && pdata_urb->purb) { + purb = pdata_urb->purb; isbuf = pdata_urb->isbuf; purb->interval = 1; purb->dev = peasycap->pusb_device; @@ -635,22 +623,18 @@ if (!peasycap->video_isoc_streaming) { purb->number_of_packets = peasycap->video_isoc_framesperdesc; - for (j = 0; j < peasycap-> - video_isoc_framesperdesc; j++) { - purb->iso_frame_desc[j]. - offset = j * - peasycap-> - video_isoc_maxframesize; - purb->iso_frame_desc[j]. - length = peasycap-> - video_isoc_maxframesize; - } + for (j = 0; j < peasycap->video_isoc_framesperdesc; j++) { + purb->iso_frame_desc[j]. offset = + j * peasycap->video_isoc_maxframesize; + purb->iso_frame_desc[j]. length = + peasycap->video_isoc_maxframesize; + } rc = usb_submit_urb(purb, GFP_KERNEL); if (rc) { isbad++; SAM("ERROR: usb_submit_urb() failed " - "for urb with rc:-%s\n", + "for urb with rc:-%s\n", strerror(rc)); if (rc == -ENOSPC) nospc++; @@ -660,74 +644,68 @@ if (!peasycap->video_isoc_streaming) { } else { isbad++; } - } else { - isbad++; } - } - if (nospc) { - SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc); - SAM("..... possibly inadequate USB bandwidth\n"); - peasycap->video_eof = 1; - } + if (nospc) { + SAM("-ENOSPC=usb_submit_urb() for %i urbs\n", nospc); + SAM("..... possibly inadequate USB bandwidth\n"); + peasycap->video_eof = 1; + } - if (isbad) { - 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); - if (NULL != pdata_urb) { - purb = pdata_urb->purb; - if (NULL != purb) - usb_kill_urb(purb); + if (isbad) { + 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); + if (NULL != pdata_urb) { + purb = pdata_urb->purb; + if (NULL != purb) + usb_kill_urb(purb); + } } + peasycap->video_isoc_streaming = 0; + } else { + peasycap->video_isoc_streaming = 1; + JOM(4, "submitted %i video urbs\n", m); } - peasycap->video_isoc_streaming = 0; } else { - peasycap->video_isoc_streaming = 1; - JOM(4, "submitted %i video urbs\n", m); + JOM(4, "already streaming video urbs\n"); } -} else { - JOM(4, "already streaming video urbs\n"); -} -return 0; + return 0; } /*****************************************************************************/ -int -kill_video_urbs(struct easycap *peasycap) +int kill_video_urbs(struct easycap *peasycap) { -int m; -struct list_head *plist_head; -struct data_urb *pdata_urb; + 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->video_isoc_streaming) { - if (NULL != peasycap->purb_video_head) { - peasycap->video_isoc_streaming = 0; - 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, - list_head); - if (NULL != pdata_urb) { - if (NULL != pdata_urb->purb) { - usb_kill_urb(pdata_urb->purb); - m++; - } - } - } - JOM(4, "%i video urbs killed\n", m); - } else { + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + return -EFAULT; + } + if (!peasycap->video_isoc_streaming) { + JOM(8, "%i=video_isoc_streaming, no video urbs killed\n", + peasycap->video_isoc_streaming); + return 0; + } + if (!peasycap->purb_video_head) { SAM("ERROR: peasycap->purb_video_head is NULL\n"); return -EFAULT; } -} else { - JOM(8, "%i=video_isoc_streaming, no video urbs killed\n", - peasycap->video_isoc_streaming); -} -return 0; + + peasycap->video_isoc_streaming = 0; + 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, list_head); + if (pdata_urb && pdata_urb->purb) { + usb_kill_urb(pdata_urb->purb); + m++; + } + } + JOM(4, "%i video urbs killed\n", m); + + return 0; } /****************************************************************************/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ @@ -735,32 +713,27 @@ return 0; static int easycap_release(struct inode *inode, struct file *file) { #ifndef EASYCAP_IS_VIDEODEV_CLIENT -struct easycap *peasycap; + struct easycap *peasycap; -JOT(4, "\n"); -peasycap = file->private_data; -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL.\n"); - SAY("ending unsuccessfully\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: %p\n", peasycap); - return -EFAULT; -} -if (0 != kill_video_urbs(peasycap)) { - SAM("ERROR: kill_video_urbs() failed\n"); - return -EFAULT; -} -JOM(4, "ending successfully\n"); -/*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/ -#else -# -/*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ + peasycap = file->private_data; + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL.\n"); + SAY("ending unsuccessfully\n"); + return -EFAULT; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; + } + if (0 != kill_video_urbs(peasycap)) { + SAM("ERROR: kill_video_urbs() failed\n"); + return -EFAULT; + } + JOM(4, "ending successfully\n"); #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ -return 0; + return 0; } #ifdef EASYCAP_IS_VIDEODEV_CLIENT static int easycap_open_noinode(struct file *file) @@ -774,26 +747,24 @@ static int easycap_release_noinode(struct file *file) } static int videodev_release(struct video_device *pvideo_device) { -struct easycap *peasycap; - -JOT(4, "\n"); + struct easycap *peasycap; -peasycap = video_get_drvdata(pvideo_device); -if (NULL == peasycap) { - SAY("ERROR: peasycap is NULL\n"); - SAY("ending unsuccessfully\n"); - return -EFAULT; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: %p\n", peasycap); - return -EFAULT; -} -if (0 != kill_video_urbs(peasycap)) { - SAM("ERROR: kill_video_urbs() failed\n"); - return -EFAULT; -} -JOM(4, "ending successfully\n"); -return 0; + peasycap = video_get_drvdata(pvideo_device); + if (NULL == peasycap) { + SAY("ERROR: peasycap is NULL\n"); + SAY("ending unsuccessfully\n"); + return -EFAULT; + } + if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { + SAY("ERROR: bad peasycap: %p\n", peasycap); + return -EFAULT; + } + if (0 != kill_video_urbs(peasycap)) { + SAM("ERROR: kill_video_urbs() failed\n"); + return -EFAULT; + } + JOM(4, "ending successfully\n"); + return 0; } #endif /*EASYCAP_IS_VIDEODEV_CLIENT*/ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/ @@ -809,325 +780,329 @@ return 0; /*---------------------------------------------------------------------------*/ static void easycap_delete(struct kref *pkref) { -int k, m, gone, kd; -int allocation_video_urb, allocation_video_page, allocation_video_struct; -int allocation_audio_urb, allocation_audio_page, allocation_audio_struct; -int registered_video, registered_audio; -struct easycap *peasycap; -struct data_urb *pdata_urb; -struct list_head *plist_head, *plist_next; - -JOT(4, "\n"); - -peasycap = container_of(pkref, struct easycap, kref); -if (NULL == peasycap) { - SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); - return; -} -if (memcmp(&peasycap->telltale[0], TELLTALE, strlen(TELLTALE))) { - SAY("ERROR: bad peasycap: %p\n", peasycap); - return; -} -kd = isdongle(peasycap); + struct easycap *peasycap; + struct data_urb *pdata_urb; + struct list_head *plist_head, *plist_next; + int k, m, gone, kd; + int allocation_video_urb; + int allocation_video_page; + int allocation_video_struct; + int allocation_audio_urb; + int allocation_audio_page; + int allocation_audio_struct; + int registered_video, registered_audio; + + peasycap = container_of(pkref, struct easycap, kref); + if (NULL == peasycap) { + SAM("ERROR: peasycap is NULL: cannot perform deletions\n"); + return; + } + if (memcmp(&p |