diff options
Diffstat (limited to 'drivers/media/video/se401.c')
| -rw-r--r-- | drivers/media/video/se401.c | 883 |
1 files changed, 453 insertions, 430 deletions
diff --git a/drivers/media/video/se401.c b/drivers/media/video/se401.c index 5990ab38a124..85ffc2cba039 100644 --- a/drivers/media/video/se401.c +++ b/drivers/media/video/se401.c @@ -31,6 +31,7 @@ static const char version[] = "0.24"; #include <linux/init.h> #include <linux/vmalloc.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/pagemap.h> #include <linux/usb.h> #include "se401.h" @@ -38,7 +39,7 @@ static const char version[] = "0.24"; static int flickerless; static int video_nr = -1; -static struct usb_device_id device_table [] = { +static struct usb_device_id device_table[] = { { USB_DEVICE(0x03e8, 0x0004) },/* Endpoints/Aox SE401 */ { USB_DEVICE(0x0471, 0x030b) },/* Philips PCVC665K */ { USB_DEVICE(0x047d, 0x5001) },/* Kensington 67014 */ @@ -53,7 +54,8 @@ MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>"); MODULE_DESCRIPTION("SE401 USB Camera Driver"); MODULE_LICENSE("GPL"); module_param(flickerless, int, 0); -MODULE_PARM_DESC(flickerless, "Net frequency to adjust exposure time to (0/50/60)"); +MODULE_PARM_DESC(flickerless, + "Net frequency to adjust exposure time to (0/50/60)"); module_param(video_nr, int, 0); static struct usb_driver se401_driver; @@ -78,8 +80,8 @@ static void *rvmalloc(unsigned long size) adr = (unsigned long) mem; while (size > 0) { SetPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; + adr += PAGE_SIZE; + size -= PAGE_SIZE; } return mem; @@ -95,8 +97,8 @@ static void rvfree(void *mem, unsigned long size) adr = (unsigned long) mem; while ((long) size > 0) { ClearPageReserved(vmalloc_to_page((void *)adr)); - adr += PAGE_SIZE; - size -= PAGE_SIZE; + adr += PAGE_SIZE; + size -= PAGE_SIZE; } vfree(mem); } @@ -112,7 +114,7 @@ static void rvfree(void *mem, unsigned long size) static int se401_sndctrl(int set, struct usb_se401 *se401, unsigned short req, unsigned short value, unsigned char *cp, int size) { - return usb_control_msg ( + return usb_control_msg( se401->dev, set ? usb_sndctrlpipe(se401->dev, 0) : usb_rcvctrlpipe(se401->dev, 0), req, @@ -132,7 +134,7 @@ static int se401_set_feature(struct usb_se401 *se401, unsigned short selector, and the param in index, but in the logs of the windows driver they do this the other way around... */ - return usb_control_msg ( + return usb_control_msg( se401->dev, usb_sndctrlpipe(se401->dev, 0), SE401_REQ_SET_EXT_FEATURE, @@ -152,7 +154,7 @@ static unsigned short se401_get_feature(struct usb_se401 *se401, wrong here to.... */ unsigned char cp[2]; - usb_control_msg ( + usb_control_msg( se401->dev, usb_rcvctrlpipe(se401->dev, 0), SE401_REQ_GET_EXT_FEATURE, @@ -175,46 +177,51 @@ static unsigned short se401_get_feature(struct usb_se401 *se401, static int se401_send_pict(struct usb_se401 *se401) { - se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l);/* integration time low */ - se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m);/* integration time mid */ - se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h);/* integration time mid */ - se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel);/* reset level value */ - se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain);/* red color gain */ - se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain);/* green color gain */ - se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain);/* blue color gain */ + /* integration time low */ + se401_set_feature(se401, HV7131_REG_TITL, se401->expose_l); + /* integration time mid */ + se401_set_feature(se401, HV7131_REG_TITM, se401->expose_m); + /* integration time mid */ + se401_set_feature(se401, HV7131_REG_TITU, se401->expose_h); + /* reset level value */ + se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel); + /* red color gain */ + se401_set_feature(se401, HV7131_REG_ARCG, se401->rgain); + /* green color gain */ + se401_set_feature(se401, HV7131_REG_AGCG, se401->ggain); + /* blue color gain */ + se401_set_feature(se401, HV7131_REG_ABCG, se401->bgain); return 0; } static void se401_set_exposure(struct usb_se401 *se401, int brightness) { - int integration=brightness<<5; - - if (flickerless==50) { - integration=integration-integration%106667; - } - if (flickerless==60) { - integration=integration-integration%88889; - } - se401->brightness=integration>>5; - se401->expose_h=(integration>>16)&0xff; - se401->expose_m=(integration>>8)&0xff; - se401->expose_l=integration&0xff; + int integration = brightness << 5; + + if (flickerless == 50) + integration = integration-integration % 106667; + if (flickerless == 60) + integration = integration-integration % 88889; + se401->brightness = integration >> 5; + se401->expose_h = (integration >> 16) & 0xff; + se401->expose_m = (integration >> 8) & 0xff; + se401->expose_l = integration & 0xff; } static int se401_get_pict(struct usb_se401 *se401, struct video_picture *p) { - p->brightness=se401->brightness; - if (se401->enhance) { - p->whiteness=32768; - } else { - p->whiteness=0; - } - p->colour=65535; - p->contrast=65535; - p->hue=se401->rgain<<10; - p->palette=se401->palette; - p->depth=3; /* rgb24 */ + p->brightness = se401->brightness; + if (se401->enhance) + p->whiteness = 32768; + else + p->whiteness = 0; + + p->colour = 65535; + p->contrast = 65535; + p->hue = se401->rgain << 10; + p->palette = se401->palette; + p->depth = 3; /* rgb24 */ return 0; } @@ -223,20 +230,19 @@ static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p) { if (p->palette != VIDEO_PALETTE_RGB24) return 1; - se401->palette=p->palette; - if (p->hue!=se401->hue) { - se401->rgain= p->hue>>10; - se401->bgain= 0x40-(p->hue>>10); - se401->hue=p->hue; + se401->palette = p->palette; + if (p->hue != se401->hue) { + se401->rgain = p->hue >> 10; + se401->bgain = 0x40-(p->hue >> 10); + se401->hue = p->hue; } - if (p->brightness!=se401->brightness) { + if (p->brightness != se401->brightness) se401_set_exposure(se401, p->brightness); - } - if (p->whiteness>=32768) { - se401->enhance=1; - } else { - se401->enhance=0; - } + + if (p->whiteness >= 32768) + se401->enhance = 1; + else + se401->enhance = 0; se401_send_pict(se401); se401_send_pict(se401); return 0; @@ -249,7 +255,7 @@ static int se401_set_pict(struct usb_se401 *se401, struct video_picture *p) static void se401_auto_resetlevel(struct usb_se401 *se401) { unsigned int ahrc, alrc; - int oldreset=se401->resetlevel; + int oldreset = se401->resetlevel; /* For some reason this normally read-only register doesn't get reset to zero after reading them just once... @@ -258,24 +264,24 @@ static void se401_auto_resetlevel(struct usb_se401 *se401) se401_get_feature(se401, HV7131_REG_HIREFNOL); se401_get_feature(se401, HV7131_REG_LOREFNOH); se401_get_feature(se401, HV7131_REG_LOREFNOL); - ahrc=256*se401_get_feature(se401, HV7131_REG_HIREFNOH) + + ahrc = 256*se401_get_feature(se401, HV7131_REG_HIREFNOH) + se401_get_feature(se401, HV7131_REG_HIREFNOL); - alrc=256*se401_get_feature(se401, HV7131_REG_LOREFNOH) + + alrc = 256*se401_get_feature(se401, HV7131_REG_LOREFNOH) + se401_get_feature(se401, HV7131_REG_LOREFNOL); /* Not an exact science, but it seems to work pretty well... */ if (alrc > 10) { - while (alrc>=10 && se401->resetlevel < 63) { + while (alrc >= 10 && se401->resetlevel < 63) { se401->resetlevel++; - alrc /=2; + alrc /= 2; } } else if (ahrc > 20) { - while (ahrc>=20 && se401->resetlevel > 0) { + while (ahrc >= 20 && se401->resetlevel > 0) { se401->resetlevel--; - ahrc /=2; + ahrc /= 2; } } - if (se401->resetlevel!=oldreset) + if (se401->resetlevel != oldreset) se401_set_feature(se401, HV7131_REG_ARLV, se401->resetlevel); return; @@ -300,21 +306,22 @@ static void se401_button_irq(struct urb *urb) case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ - dbg("%s - urb shutting down with status: %d", __func__, urb->status); + dbg("%s - urb shutting down with status: %d", + __func__, urb->status); return; default: - dbg("%s - nonzero urb status received: %d", __func__, urb->status); + dbg("%s - nonzero urb status received: %d", + __func__, urb->status); goto exit; } - if (urb->actual_length >=2) { + if (urb->actual_length >= 2) if (se401->button) - se401->buttonpressed=1; - } + se401->buttonpressed = 1; exit: - status = usb_submit_urb (urb, GFP_ATOMIC); + status = usb_submit_urb(urb, GFP_ATOMIC); if (status) - err ("%s - usb_submit_urb failed with result %d", + err("%s - usb_submit_urb failed with result %d", __func__, status); } @@ -336,55 +343,52 @@ static void se401_video_irq(struct urb *urb) keeps sending them forever... */ if (length && !urb->status) { - se401->nullpackets=0; - switch(se401->scratch[se401->scratch_next].state) { - case BUFFER_READY: - case BUFFER_BUSY: { - se401->dropped++; - break; - } - case BUFFER_UNUSED: { - memcpy(se401->scratch[se401->scratch_next].data, (unsigned char *)urb->transfer_buffer, length); - se401->scratch[se401->scratch_next].state=BUFFER_READY; - se401->scratch[se401->scratch_next].offset=se401->bayeroffset; - se401->scratch[se401->scratch_next].length=length; - if (waitqueue_active(&se401->wq)) { - wake_up_interruptible(&se401->wq); - } - se401->scratch_overflow=0; - se401->scratch_next++; - if (se401->scratch_next>=SE401_NUMSCRATCH) - se401->scratch_next=0; - break; - } - } - se401->bayeroffset+=length; - if (se401->bayeroffset>=se401->cheight*se401->cwidth) { - se401->bayeroffset=0; + se401->nullpackets = 0; + switch (se401->scratch[se401->scratch_next].state) { + case BUFFER_READY: + case BUFFER_BUSY: + se401->dropped++; + break; + case BUFFER_UNUSED: + memcpy(se401->scratch[se401->scratch_next].data, + (unsigned char *)urb->transfer_buffer, length); + se401->scratch[se401->scratch_next].state + = BUFFER_READY; + se401->scratch[se401->scratch_next].offset + = se401->bayeroffset; + se401->scratch[se401->scratch_next].length = length; + if (waitqueue_active(&se401->wq)) + wake_up_interruptible(&se401->wq); + se401->scratch_overflow = 0; + se401->scratch_next++; + if (se401->scratch_next >= SE401_NUMSCRATCH) + se401->scratch_next = 0; + break; } + se401->bayeroffset += length; + if (se401->bayeroffset >= se401->cheight * se401->cwidth) + se401->bayeroffset = 0; } else { se401->nullpackets++; - if (se401->nullpackets > SE401_MAX_NULLPACKETS) { - if (waitqueue_active(&se401->wq)) { + if (se401->nullpackets > SE401_MAX_NULLPACKETS) + if (waitqueue_active(&se401->wq)) wake_up_interruptible(&se401->wq); - } - } } /* Resubmit urb for new data */ - urb->status=0; - urb->dev=se401->dev; - if(usb_submit_urb(urb, GFP_KERNEL)) + urb->status = 0; + urb->dev = se401->dev; + if (usb_submit_urb(urb, GFP_KERNEL)) dev_info(&urb->dev->dev, "urb burned down\n"); return; } static void se401_send_size(struct usb_se401 *se401, int width, int height) { - int i=0; - int mode=0x03; /* No compression */ - int sendheight=height; - int sendwidth=width; + int i = 0; + int mode = 0x03; /* No compression */ + int sendheight = height; + int sendwidth = width; /* JangGu compression can only be used with the camera supported sizes, but bayer seems to work with any size that fits on the sensor. @@ -392,18 +396,21 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height) 4 or 16 times subcapturing, if not we use uncompressed bayer data but this will result in cutouts of the maximum size.... */ - while (i<se401->sizes && !(se401->width[i]==width && se401->height[i]==height)) + while (i < se401->sizes && !(se401->width[i] == width && + se401->height[i] == height)) i++; - while (i<se401->sizes) { - if (se401->width[i]==width*2 && se401->height[i]==height*2) { - sendheight=se401->height[i]; - sendwidth=se401->width[i]; - mode=0x40; + while (i < se401->sizes) { + if (se401->width[i] == width * 2 && + se401->height[i] == height * 2) { + sendheight = se401->height[i]; + sendwidth = se401->width[i]; + mode = 0x40; } - if (se401->width[i]==width*4 && se401->height[i]==height*4) { - sendheight=se401->height[i]; - sendwidth=se401->width[i]; - mode=0x42; + if (se401->width[i] == width * 4 && + se401->height[i] == height * 4) { + sendheight = se401->height[i]; + sendwidth = se401->width[i]; + mode = 0x42; } i++; } @@ -412,13 +419,10 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height) se401_sndctrl(1, se401, SE401_REQ_SET_HEIGHT, sendheight, NULL, 0); se401_set_feature(se401, SE401_OPERATINGMODE, mode); - if (mode==0x03) { - se401->format=FMT_BAYER; - } else { - se401->format=FMT_JANGGU; - } - - return; + if (mode == 0x03) + se401->format = FMT_BAYER; + else + se401->format = FMT_JANGGU; } /* @@ -429,29 +433,31 @@ static void se401_send_size(struct usb_se401 *se401, int width, int height) static int se401_start_stream(struct usb_se401 *se401) { struct urb *urb; - int err=0, i; - se401->streaming=1; + int err = 0, i; + se401->streaming = 1; se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0); se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0); /* Set picture settings */ - se401_set_feature(se401, HV7131_REG_MODE_B, 0x05);/*windowed + pix intg */ + /* windowed + pix intg */ + se401_set_feature(se401, HV7131_REG_MODE_B, 0x05); se401_send_pict(se401); se401_send_size(se401, se401->cwidth, se401->cheight); - se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE, 0, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_START_CONTINUOUS_CAPTURE, + 0, NULL, 0); /* Do some memory allocation */ - for (i=0; i<SE401_NUMFRAMES; i++) { - se401->frame[i].data=se401->fbuf + i * se401->maxframesize; - se401->frame[i].curpix=0; + for (i = 0; i < SE401_NUMFRAMES; i++) { + se401->frame[i].data = se401->fbuf + i * se401->maxframesize; + se401->frame[i].curpix = 0; } - for (i=0; i<SE401_NUMSBUF; i++) { - se401->sbuf[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL); + for (i = 0; i < SE401_NUMSBUF; i++) { + se401->sbuf[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL); if (!se401->sbuf[i].data) { - for(i = i - 1; i >= 0; i--) { + for (i = i - 1; i >= 0; i--) { kfree(se401->sbuf[i].data); se401->sbuf[i].data = NULL; } @@ -459,26 +465,26 @@ static int se401_start_stream(struct usb_se401 *se401) } } - se401->bayeroffset=0; - se401->scratch_next=0; - se401->scratch_use=0; - se401->scratch_overflow=0; - for (i=0; i<SE401_NUMSCRATCH; i++) { - se401->scratch[i].data=kmalloc(SE401_PACKETSIZE, GFP_KERNEL); + se401->bayeroffset = 0; + se401->scratch_next = 0; + se401->scratch_use = 0; + se401->scratch_overflow = 0; + for (i = 0; i < SE401_NUMSCRATCH; i++) { + se401->scratch[i].data = kmalloc(SE401_PACKETSIZE, GFP_KERNEL); if (!se401->scratch[i].data) { - for(i = i - 1; i >= 0; i--) { + for (i = i - 1; i >= 0; i--) { kfree(se401->scratch[i].data); se401->scratch[i].data = NULL; } goto nomem_sbuf; } - se401->scratch[i].state=BUFFER_UNUSED; + se401->scratch[i].state = BUFFER_UNUSED; } - for (i=0; i<SE401_NUMSBUF; i++) { - urb=usb_alloc_urb(0, GFP_KERNEL); - if(!urb) { - for(i = i - 1; i >= 0; i--) { + for (i = 0; i < SE401_NUMSBUF; i++) { + urb = usb_alloc_urb(0, GFP_KERNEL); + if (!urb) { + for (i = i - 1; i >= 0; i--) { usb_kill_urb(se401->urb[i]); usb_free_urb(se401->urb[i]); se401->urb[i] = NULL; @@ -492,24 +498,24 @@ static int se401_start_stream(struct usb_se401 *se401) se401_video_irq, se401); - se401->urb[i]=urb; + se401->urb[i] = urb; - err=usb_submit_urb(se401->urb[i], GFP_KERNEL); - if(err) + err = usb_submit_urb(se401->urb[i], GFP_KERNEL); + if (err) err("urb burned down"); } - se401->framecount=0; + se401->framecount = 0; return 0; nomem_scratch: - for (i=0; i<SE401_NUMSCRATCH; i++) { + for (i = 0; i < SE401_NUMSCRATCH; i++) { kfree(se401->scratch[i].data); se401->scratch[i].data = NULL; } nomem_sbuf: - for (i=0; i<SE401_NUMSBUF; i++) { + for (i = 0; i < SE401_NUMSBUF; i++) { kfree(se401->sbuf[i].data); se401->sbuf[i].data = NULL; } @@ -523,22 +529,23 @@ static int se401_stop_stream(struct usb_se401 *se401) if (!se401->streaming || !se401->dev) return 1; - se401->streaming=0; + se401->streaming = 0; se401_sndctrl(1, se401, SE401_REQ_STOP_CONTINUOUS_CAPTURE, 0, NULL, 0); se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 0, NULL, 0); se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 0, NULL, 0); - for (i=0; i<SE401_NUMSBUF; i++) if (se401->urb[i]) { - usb_kill_urb(se401->urb[i]); - usb_free_urb(se401->urb[i]); - se401->urb[i]=NULL; - kfree(se401->sbuf[i].data); - } - for (i=0; i<SE401_NUMSCRATCH; i++) { + for (i = 0; i < SE401_NUMSBUF; i++) + if (se401->urb[i]) { + usb_kill_urb(se401->urb[i]); + usb_free_urb(se401->urb[i]); + se401->urb[i] = NULL; + kfree(se401->sbuf[i].data); + } + for (i = 0; i < SE401_NUMSCRATCH; i++) { kfree(se401->scratch[i].data); - se401->scratch[i].data=NULL; + se401->scratch[i].data = NULL; } return 0; @@ -546,9 +553,9 @@ static int se401_stop_stream(struct usb_se401 *se401) static int se401_set_size(struct usb_se401 *se401, int width, int height) { - int wasstreaming=se401->streaming; + int wasstreaming = se401->streaming; /* Check to see if we need to change */ - if (se401->cwidth==width && se401->cheight==height) + if (se401->cwidth == width && se401->cheight == height) return 0; /* Check for a valid mode */ @@ -556,16 +563,16 @@ static int se401_set_size(struct usb_se401 *se401, int width, int height) return 1; if ((width & 1) || (height & 1)) return 1; - if (width>se401->width[se401->sizes-1]) + if (width > se401->width[se401->sizes-1]) return 1; - if (height>se401->height[se401->sizes-1]) + if (height > se401->height[se401->sizes-1]) return 1; /* Stop a current stream and start it again at the new size */ if (wasstreaming) se401_stop_stream(se401); - se401->cwidth=width; - se401->cheight=height; + se401->cwidth = width; + se401->cheight = height; if (wasstreaming) se401_start_stream(se401); return 0; @@ -586,68 +593,68 @@ static int se401_set_size(struct usb_se401 *se401, int width, int height) static inline void enhance_picture(unsigned char *frame, int len) { while (len--) { - *frame=(((*frame^255)*(*frame^255))/255)^255; + *frame = (((*frame^255)*(*frame^255))/255)^255; frame++; } } static inline void decode_JangGu_integrate(struct usb_se401 *se401, int data) { - struct se401_frame *frame=&se401->frame[se401->curframe]; - int linelength=se401->cwidth*3; + struct se401_frame *frame = &se401->frame[se401->curframe]; + int linelength = se401->cwidth * 3; if (frame->curlinepix >= linelength) { - frame->curlinepix=0; - frame->curline+=linelength; + frame->curlinepix = 0; + frame->curline += linelength; } /* First three are absolute, all others relative. * Format is rgb from right to left (mirrorred image), * we flip it to get bgr from left to right. */ - if (frame->curlinepix < 3) { - *(frame->curline-frame->curlinepix)=1+data*4; - } else { - *(frame->curline-frame->curlinepix)= - *(frame->curline-frame->curlinepix+3)+data*4; - } + if (frame->curlinepix < 3) + *(frame->curline-frame->curlinepix) = 1 + data * 4; + else + *(frame->curline-frame->curlinepix) = + *(frame->curline-frame->curlinepix + 3) + data * 4; frame->curlinepix++; } -static inline void decode_JangGu_vlc (struct usb_se401 *se401, unsigned char *data, int bit_exp, int packetlength) +static inline void decode_JangGu_vlc(struct usb_se401 *se401, + unsigned char *data, int bit_exp, int packetlength) { - int pos=0; - int vlc_cod=0; - int vlc_size=0; - int vlc_data=0; + int pos = 0; + int vlc_cod = 0; + int vlc_size = 0; + int vlc_data = 0; int bit_cur; int bit; - data+=4; + data += 4; while (pos < packetlength) { - bit_cur=8; + bit_cur = 8; while (bit_cur && bit_exp) { - bit=((*data)>>(bit_cur-1))&1; + bit = ((*data) >> (bit_cur-1))&1; if (!vlc_cod) { if (bit) { vlc_size++; } else { - if (!vlc_size) { + if (!vlc_size) decode_JangGu_integrate(se401, 0); - } else { - vlc_cod=2; - vlc_data=0; + else { + vlc_cod = 2; + vlc_data = 0; } } } else { - if (vlc_cod==2) { + if (vlc_cod == 2) { if (!bit) - vlc_data = -(1<<vlc_size) + 1; + vlc_data = -(1 << vlc_size) + 1; vlc_cod--; } vlc_size--; - vlc_data+=bit<<vlc_size; + vlc_data += bit << vlc_size; if (!vlc_size) { decode_JangGu_integrate(se401, vlc_data); - vlc_cod=0; + vlc_cod = 0; } } bit_cur--; @@ -658,186 +665,188 @@ static inline void decode_JangGu_vlc (struct usb_se401 *se401, unsigned char *da } } -static inline void decode_JangGu (struct usb_se401 *se401, struct se401_scratch *buffer) +static inline void decode_JangGu(struct usb_se401 *se401, + struct se401_scratch *buffer) { - unsigned char *data=buffer->data; - int len=buffer->length; - int bit_exp=0, pix_exp=0, frameinfo=0, packetlength=0, size; - int datapos=0; + unsigned char *data = buffer->data; + int len = buffer->length; + int bit_exp = 0, pix_exp = 0, frameinfo = 0, packetlength = 0, size; + int datapos = 0; /* New image? */ if (!se401->frame[se401->curframe].curpix) { - se401->frame[se401->curframe].curlinepix=0; - se401->frame[se401->curframe].curline= + se401->frame[se401->curframe].curlinepix = 0; + se401->frame[se401->curframe].curline = se401->frame[se401->curframe].data+ - se401->cwidth*3-1; - if (se401->frame[se401->curframe].grabstate==FRAME_READY) - se401->frame[se401->curframe].grabstate=FRAME_GRABBING; - se401->vlcdatapos=0; + se401->cwidth * 3 - 1; + if (se401->frame[se401->curframe].grabstate == FRAME_READY) + se401->frame[se401->curframe].grabstate = FRAME_GRABBING; + se401->vlcdatapos = 0; } while (datapos < len) { - size=1024-se401->vlcdatapos; + size = 1024 - se401->vlcdatapos; if (size+datapos > len) - size=len-datapos; + size = len-datapos; memcpy(se401->vlcdata+se401->vlcdatapos, data+datapos, size); - se401->vlcdatapos+=size; - packetlength=0; + se401->vlcdatapos += size; + packetlength = 0; if (se401->vlcdatapos >= 4) { - bit_exp=se401->vlcdata[3]+(se401->vlcdata[2]<<8); - pix_exp=se401->vlcdata[1]+((se401->vlcdata[0]&0x3f)<<8); - frameinfo=se401->vlcdata[0]&0xc0; - packetlength=((bit_exp+47)>>4)<<1; + bit_exp = se401->vlcdata[3] + (se401->vlcdata[2] << 8); + pix_exp = se401->vlcdata[1] + + ((se401->vlcdata[0] & 0x3f) << 8); + frameinfo = se401->vlcdata[0] & 0xc0; + packetlength = ((bit_exp + 47) >> 4) << 1; if (packetlength > 1024) { - se401->vlcdatapos=0; - datapos=len; - packetlength=0; + se401->vlcdatapos = 0; + datapos = len; + packetlength = 0; se401->error++; - se401->frame[se401->curframe].curpix=0; + se401->frame[se401->curframe].curpix = 0; } } if (packetlength && se401->vlcdatapos >= packetlength) { - decode_JangGu_vlc(se401, se401->vlcdata, bit_exp, packetlength); - se401->frame[se401->curframe].curpix+=pix_exp*3; - datapos+=size-(se401->vlcdatapos-packetlength); - se401->vlcdatapos=0; - if (se401->frame[se401->curframe].curpix>=se401->cwidth*se401->cheight*3) { - if (se401->frame[se401->curframe].curpix==se401->cwidth*se401->cheight*3) { - if (se401->frame[se401->curframe].grabstate==FRAME_GRABBING) { - se401->frame[se401->curframe].grabstate=FRAME_DONE; + decode_JangGu_vlc(se401, se401->vlcdata, bit_exp, + packetlength); + se401->frame[se401->curframe].curpix += pix_exp * 3; + datapos += size-(se401->vlcdatapos-packetlength); + se401->vlcdatapos = 0; + if (se401->frame[se401->curframe].curpix >= se401->cwidth * se401->cheight * 3) { + if (se401->frame[se401->curframe].curpix == se401->cwidth * se401->cheight * 3) { + if (se401->frame[se401->curframe].grabstate == FRAME_GRABBING) { + se401->frame[se401->curframe].grabstate = FRAME_DONE; se401->framecount++; se401->readcount++; } - if (se401->frame[(se401->curframe+1)&(SE401_NUMFRAMES-1)].grabstate==FRAME_READY) { - se401->curframe=(se401->curframe+1) & (SE401_NUMFRAMES-1); - } - } else { + if (se401->frame[(se401->curframe + 1) & (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) + se401->curframe = (se401->curframe + 1) & (SE401_NUMFRAMES - 1); + } else se401->error++; - } - se401->frame[se401->curframe].curpix=0; - datapos=len; + se401->frame[se401->curframe].curpix = 0; + datapos = len; } - } else { - datapos+=size; - } + } else + datapos += size; } } -static inline void decode_bayer (struct usb_se401 *se401, struct se401_scratch *buffer) +static inline void decode_bayer(struct usb_se401 *se401, + struct se401_scratch *buffer) { - unsigned char *data=buffer->data; - int len=buffer->length; - int offset=buffer->offset; - int datasize=se401->cwidth*se401->cheight; - struct se401_frame *frame=&se401->frame[se401->curframe]; + unsigned char *data = buffer->data; + int len = buffer->length; + int offset = buffer->offset; + int datasize = se401->cwidth * se401->cheight; + struct se401_frame *frame = &se401->frame[se401->curframe]; + unsigned char *framedata = frame->data, *curline, *nextline; + int width = se401->cwidth; + int blineoffset = 0, bline; + int linelength = width * 3, i; - unsigned char *framedata=frame->data, *curline, *nextline; - int width=se401->cwidth; - int blineoffset=0, bline; - int linelength=width*3, i; + if (frame->curpix == 0) { + if (frame->grabstate == FRAME_READY) + frame->grabstate = FRAME_GRABBING; - if (frame->curpix==0) { - if (frame->grabstate==FRAME_READY) { - frame->grabstate=FRAME_GRABBING; - } - frame->curline=framedata+linelength; - frame->curlinepix=0; + frame->curline = framedata + linelength; + frame->curlinepix = 0; } - if (offset!=frame->curpix) { + if (offset != frame->curpix) { /* Regard frame as lost :( */ - frame->curpix=0; + frame->curpix = 0; se401->error++; return; } /* Check if we have to much data */ - if (frame->curpix+len > datasize) { - len=datasize-frame->curpix; - } - if (se401->cheight%4) - blineoffset=1; - bline=frame->curpix/se401->cwidth+blineoffset; - - curline=frame->curline; - nextline=curline+linelength; - if (nextline >= framedata+datasize*3) - nextline=curline; + if (frame->curpix + len > datasize) + len = datasize-frame->curpix; + + if (se401->cheight % 4) + blineoffset = 1; + bline = frame->curpix / se401->cwidth+blineoffset; + + curline = frame->curline; + nextline = curline + linelength; + if (nextline >= framedata+datasize * 3) + nextline = curline; while (len) { - if (frame->curlinepix>=width) { - frame->curlinepix-=width; - bline=frame->curpix/width+blineoffset; - curline+=linelength*2; - nextline+=linelength*2; - if (curline >= framedata+datasize*3) { + if (frame->curlinepix >= width) { + frame->curlinepix -= width; + bline = frame->curpix / width + blineoffset; + curline += linelength*2; + nextline += linelength*2; + if (curline >= framedata+datasize * 3) { frame->curlinepix++; - curline-=3; - nextline-=3; + curline -= 3; + nextline -= 3; len--; data++; frame->curpix++; } if (nextline >= framedata+datasize*3) - nextline=curline; + nextline = curline; } - if ((bline&1)) { - if ((frame->curlinepix&1)) { - *(curline+2)=*data; - *(curline-1)=*data; - *(nextline+2)=*data; - *(nextline-1)=*data; + if (bline & 1) { + if (frame->curlinepix & 1) { + *(curline + 2) = *data; + *(curline - 1) = *data; + *(nextline + 2) = *data; + *(nextline - 1) = *data; } else { - *(curline+1)= - (*(curline+1)+*data)/2; - *(curline-2)= - (*(curline-2)+*data)/2; - *(nextline+1)=*data; - *(nextline-2)=*data; + *(curline + 1) = + (*(curline + 1) + *data) / 2; + *(curline-2) = + (*(curline - 2) + *data) / 2; + *(nextline + 1) = *data; + *(nextline - 2) = *data; } } else { - if ((frame->curlinepix&1)) { - *(curline+1)= - (*(curline+1)+*data)/2; - *(curline-2)= - (*(curline-2)+*data)/2; - *(nextline+1)=*data; - *(nextline-2)=*data; + if (frame->curlinepix & 1) { + *(curline + 1) = + (*(curline + 1) + *data) / 2; + *(curline - 2) = + (*(curline - 2) + *data) / 2; + *(nextline + 1) = *data; + *(nextline - 2) = *data; } else { - *curline=*data; - *(curline-3)=*data; - *nextline=*data; - *(nextline-3)=*data; + *curline = *data; + *(curline - 3) = *data; + *nextline = *data; + *(nextline - 3) = *data; } } frame->curlinepix++; - curline-=3; - nextline-=3; + curline -= 3; + nextline -= 3; len--; data++; frame->curpix++; } - frame->curline=curline; + frame->curline = curline; - if (frame->curpix>=datasize) { + if (frame->curpix >= datasize) { /* Fix the top line */ - framedata+=linelength; - for (i=0; i<linelength; i++) { + framedata += linelength; + for (i = 0; i < linelength; i++) { framedata--; - *framedata=*(framedata+linelength); + *framedata = *(framedata + linelength); } /* Fix the left side (green is already present) */ - for (i=0; i<se401->cheight; i++) { - *framedata=*(framedata+3); - *(framedata+1)=*(framedata+4); - *(framedata+2)=*(framedata+5); - framedata+=linelength; + for (i = 0; i < se401->cheight; i++) { + *framedata = *(framedata + 3); + *(framedata + 1) = *(framedata + 4); + *(framedata + 2) = *(framedata + 5); + framedata += linelength; } - frame->curpix=0; - frame->grabstate=FRAME_DONE; + frame->curpix = 0; + frame->grabstate = FRAME_DONE; se401->framecount++; se401->readcount++; - if (se401->frame[(se401->curframe+1)&(SE401_NUMFRAMES-1)].grabstate==FRAME_READY) { - se401->curframe=(se401->curframe+1) & (SE401_NUMFRAMES-1); + if (se401->frame[(se401->curframe + 1) & + (SE401_NUMFRAMES - 1)].grabstate == FRAME_READY) { + se401->curframe = (se401->curframe+1) & + (SE401_NUMFRAMES-1); } } } @@ -845,72 +854,76 @@ static inline void decode_bayer (struct usb_se401 *se401, struct se401_scratch * static int se401_newframe(struct usb_se401 *se401, int framenr) { DECLARE_WAITQUEUE(wait, current); - int errors=0; + int errors = 0; while (se401->streaming && - (se401->frame[framenr].grabstate==FRAME_READY || - se401->frame[framenr].grabstate==FRAME_GRABBING) ) { - if(!se401->frame[framenr].curpix) { + (se401->frame[framenr].grabstate == FRAME_READY || + se401->frame[framenr].grabstate == FRAME_GRABBING)) { + if (!se401->frame[framenr].curpix) errors++; - } + wait_interruptible( - se401->scratch[se401->scratch_use].state!=BUFFER_READY, - &se401->wq, - &wait - ); + se401->scratch[se401->scratch_use].state != BUFFER_READY, + &se401->wq, &wait); if (se401->nullpackets > SE401_MAX_NULLPACKETS) { - se401->nullpackets=0; + se401->nullpackets = 0; dev_info(&se401->dev->dev, - "too many null length packets, restarting capture\n"); + "too many null length packets, restarting capture\n"); se401_stop_stream(se401); se401_start_stream(se401); } else { - if (se401->scratch[se401->scratch_use].state!=BUFFER_READY) { - se401->frame[framenr].grabstate=FRAME_ERROR; + if (se401->scratch[se401->scratch_use].state != + BUFFER_READY) { + se401->frame[framenr].grabstate = FRAME_ERROR; return -EIO; } - se401->scratch[se401->scratch_use].state=BUFFER_BUSY; - if (se401->format==FMT_JANGGU) { - decode_JangGu(se401, &se401->scratch[se401->scratch_use]); - } else { - decode_bayer(se401, &se401->scratch[se401->scratch_use]); - } - se401->scratch[se401->scratch_use].state=BUFFER_UNUSED; + se401->scratch[se401->scratch_use].state = BUFFER_BUSY; + if (se401->format == FMT_JANGGU) + decode_JangGu(se401, + &se401->scratch[se401->scratch_use]); + else + decode_bayer(se401, + &se401->scratch[se401->scratch_use]); + + se401->scratch[se401->scratch_use].state = + BUFFER_UNUSED; se401->scratch_use++; - if (se401->scratch_use>=SE401_NUMSCRATCH) - se401->scratch_use=0; + if (se401->scratch_use >= SE401_NUMSCRATCH) + se401->scratch_use = 0; if (errors > SE401_MAX_ERRORS) { - errors=0; + errors = 0; dev_info(&se401->dev->dev, - "too many errors, restarting capture\n"); + "too many errors, restarting capture\n"); se401_stop_stream(se401); se401_start_stream(se401); } } } - if (se401->frame[framenr].grabstate==FRAME_DONE) + if (se401->frame[framenr].grabstate == FRAME_DONE) if (se401->enhance) - enhance_picture(se401->frame[framenr].data, se401->cheight*se401->cwidth*3); + enhance_picture(se401->frame[framenr].data, + se401->cheight * se401->cwidth * 3); return 0; } -static void usb_se401_remove_disconnected (struct usb_se401 *se401) +static void usb_se401_remove_disconnected(struct usb_se401 *se401) { int i; se401->dev = NULL; - for (i=0; i<SE401_NUMSBUF; i++) + for (i = 0; i < SE401_NUMSBUF; i++) if (se401->urb[i]) { usb_kill_urb(se401->urb[i]); usb_free_urb(se401->urb[i]); se401->urb[i] = NULL; kfree(se401->sbuf[i].data); } - for (i=0; i<SE401_NUMSCRATCH; i++) { + + for (i = 0; i < SE401_NUMSCRATCH; i++) kfree(se401->scratch[i].data); - } + if (se401->inturb) { usb_kill_urb(se401->inturb); usb_free_urb(se401->inturb); @@ -965,11 +978,11 @@ static int se401_close(struct file *file) dev_info(&se401->dev->dev, "device unregistered\n"); usb_se401_remove_disconnected(se401); } else { - for (i=0; i<SE401_NUMFRAMES; i++) - se401->frame[i].grabstate=FRAME_UNUSED; + for (i = 0; i < SE401_NUMFRAMES; i++) + se401->frame[i].grabstate = FRAME_UNUSED; if (se401->streaming) se401_stop_stream(se401); - se401->user=0; + se401->user = 0; } file->private_data = NULL; return 0; @@ -1065,7 +1078,7 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg) memset(vm, 0, sizeof(*vm)); vm->size = SE401_NUMFRAMES * se401->maxframesize; vm->frames = SE401_NUMFRAMES; - for (i=0; i<SE401_NUMFRAMES; i++) + for (i = 0; i < SE401_NUMFRAMES; i++) vm->offsets[i] = se401->maxframesize * i; return 0; } @@ -1083,16 +1096,16 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg) /* Is this according to the v4l spec??? */ if (se401_set_size(se401, vm->width, vm->height)) return -EINVAL; - se401->frame[vm->frame].grabstate=FRAME_READY; + se401->frame[vm->frame].grabstate = FRAME_READY; if (!se401->streaming) se401_start_stream(se401); /* Set the picture properties */ - if (se401->framecount==0) + if (se401->framecount == 0) se401_send_pict(se401); /* Calibrate the reset level after a few frames. */ - if (se401->framecount%20==1) + if (se401->framecount % 20 == 1) se401_auto_resetlevel(se401); return 0; @@ -1100,13 +1113,13 @@ static long se401_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOCSYNC: { int *frame = arg; - int ret=0; + int ret = 0; - if(*frame <0 || *frame >= SE401_NUMFRAMES) + if (*frame < 0 || *frame >= SE401_NUMFRAMES) return -EINVAL; - ret=se401_newframe(se401, *frame); - se401->frame[*frame].grabstate=FRAME_UNUSED; + ret = se401_newframe(se401, *frame); + se401->frame[*frame].grabstate = FRAME_UNUSED; return ret; } case VIDIOCGFBUF: @@ -1147,36 +1160,36 @@ static long se401_ioctl(struct file *file, static ssize_t se401_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - int realcount=count, ret=0; + int realcount = count, ret = 0; struct video_device *dev = file->private_data; struct usb_se401 *se401 = (struct usb_se401 *)dev; - if (se401->dev == NULL) + if (se401->dev == NULL) return -EIO; if (realcount > se401->cwidth*se401->cheight*3) - realcount=se401->cwidth*se401->cheight*3; + realcount = se401->cwidth*se401->cheight*3; /* Shouldn't happen: */ - if (se401->frame[0].grabstate==FRAME_GRABBING) + if (se401->frame[0].grabstate == FRAME_GRABBING) return -EBUSY; - se401->frame[0].grabstate=FRAME_READY; - se401->frame[1].grabstate=FRAME_UNUSED; - se401->curframe=0; + se401->frame[0].grabstate = FRAME_READY; + se401->frame[1].grabstate = FRAME_UNUSED; + se401->curframe = 0; if (!se401->streaming) se401_start_stream(se401); /* Set the picture properties */ - if (se401->framecount==0) + if (se401->framecount == 0) se401_send_pict(se401); /* Calibrate the reset level after a few frames. */ - if (se401->framecount%20==1) + if (se401->framecount%20 == 1) se401_auto_resetlevel(se401); - ret=se401_newframe(se401, 0); + ret = se401_newframe(se401, 0); - se401->frame[0].grabstate=FRAME_UNUSED; + se401->frame[0].grabstate = FRAME_UNUSED; if (ret) return ret; if (copy_to_user(buf, se401->frame[0].data, realcount)) @@ -1195,11 +1208,12 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma) mutex_lock(&se401->lock); - if (se401->dev == NULL) { + if (se401->dev == NULL) { mutex_unlock(&se401->lock); return -EIO; } - if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))) { + if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1) + & ~(PAGE_SIZE - 1))) { mutex_unlock(&se401->lock); return -EINVAL; } @@ -1210,10 +1224,10 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma) mutex_unlock(&se401->lock); return -EAGAIN; } - start += PAGE_SIZE; - pos += PAGE_SIZE; + start += PAGE_SIZE; + pos += PAGE_SIZE; if (size > PAGE_SIZE) - size -= PAGE_SIZE; + size -= PAGE_SIZE; else size = 0; } @@ -1223,7 +1237,7 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma) } static const struct v4l2_file_operations se401_fops = { - .owner = THIS_MODULE, + .owner = THIS_MODULE, .open = se401_open, .release = se401_close, .read = se401_read, @@ -1241,71 +1255,76 @@ static struct video_device se401_template = { /***************************/ static int se401_init(struct usb_se401 *se401, int button) { - int i=0, rc; + int i = 0, rc; unsigned char cp[0x40]; char temp[200]; + int slen; /* led on */ se401_sndctrl(1, se401, SE401_REQ_LED_CONTROL, 1, NULL, 0); /* get camera descriptor */ - rc=se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0, cp, sizeof(cp)); - if (cp[1]!=0x41) { + rc = se401_sndctrl(0, se401, SE401_REQ_GET_CAMERA_DESCRIPTOR, 0, + cp, sizeof(cp)); + if (cp[1] != 0x41) { err("Wrong descriptor type"); return 1; } - sprintf (temp, "ExtraFeatures: %d", cp[3]); + slen = snprintf(temp, 200, "ExtraFeatures: %d", cp[3]); - se401->sizes=cp[4]+cp[5]*256; - se401->width=kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); + se401->sizes = cp[4] + cp[5] * 256; + se401->width = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); if (!se401->width) return 1; - se401->height=kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); + se401->height = kmalloc(se401->sizes*sizeof(int), GFP_KERNEL); if (!se401->height) { kfree(se401->width); return 1; } - for (i=0; i<se401->sizes; i++) { - se401->width[i]=cp[6+i*4+0]+cp[6+i*4+1]*256; - se401->height[i]=cp[6+i*4+2]+cp[6+i*4+3]*256; + for (i = 0; i < se401->sizes; i++) { + se401->width[i] = cp[6 + i * 4 + 0] + cp[6 + i*4 + 1] * 256; + se401->height[i] = cp[6 + i * 4 + 2] + cp[6 + i * 4 + 3] * 256; } - sprintf (temp, "%s Sizes:", temp); - for (i=0; i<se401->sizes; i++) { - sprintf(temp, "%s %dx%d", temp, se401->width[i], se401->height[i]); + slen += snprintf(temp + slen, 200 - slen, " Sizes:"); + for (i = 0; i < se401->sizes; i++) { + slen += snprintf(temp + slen, 200 - slen, + " %dx%d", se401->width[i], se401->height[i]); } dev_info(&se401->dev->dev, "%s\n", temp); - se401->maxframesize=se401->width[se401->sizes-1]*se401->height[se401->sizes-1]*3; + se401->maxframesize = se401->width[se401->sizes-1] * + se401->height[se401->sizes - 1] * 3; - rc=se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp)); - se401->cwidth=cp[0]+cp[1]*256; - rc=se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp)); - se401->cheight=cp[0]+cp[1]*256; + rc = se401_sndctrl(0, se401, SE401_REQ_GET_WIDTH, 0, cp, sizeof(cp)); + se401->cwidth = cp[0]+cp[1]*256; + rc = se401_sndctrl(0, se401, SE401_REQ_GET_HEIGHT, 0, cp, sizeof(cp)); + se401->cheight = cp[0]+cp[1]*256; if (!(cp[2] & SE401_FORMAT_BAYER)) { err("Bayer format not supported!"); return 1; } /* set output mode (BAYER) */ - se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE, SE401_FORMAT_BAYER, NULL, 0); + se401_sndctrl(1, se401, SE401_REQ_SET_OUTPUT_MODE, + SE401_FORMAT_BAYER, NULL, 0); - rc=se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp)); - se401->brightness=cp[0]+cp[1]*256; + rc = se401_sndctrl(0, se401, SE401_REQ_GET_BRT, 0, cp, sizeof(cp)); + se401->brightness = cp[0]+cp[1]*256; /* some default values */ - se401->resetlevel=0x2d; - se401->rgain=0x20; - se401->ggain=0x20; - se401->bgain=0x20; + se401->resetlevel = 0x2d; + se401->rgain = 0x20; + se401->ggain = 0x20; + se401->bgain = 0x20; se401_set_exposure(se401, 20000); - se401->palette=VIDEO_PALETTE_RGB24; - se401->enhance=1; - se401->dropped=0; - se401->error=0; - se401->framecount=0; - se401->readcount=0; + se401->palette = VIDEO_PALETTE_RGB24; + se401->enhance = 1; + se401->dropped = 0; + se401->error = 0; + se401->framecount = 0; + se401->readcount = 0; /* Start interrupt transfers for snapshot button */ if (button) { - se401->inturb=usb_alloc_urb(0, GFP_KERNEL); + se401->inturb = usb_alloc_urb(0, GFP_KERNEL); if (!se401->inturb) { dev_info(&se401->dev->dev, "Allocation of inturb failed\n"); @@ -1323,7 +1342,7 @@ static int se401_init(struct usb_se401 *se401, int button) return 1; } } else - se401->inturb=NULL; + se401->inturb = NULL; /* Flash the led */ se401_sndctrl(1, se401, SE401_REQ_CAMERA_POWER, 1, NULL, 0); @@ -1340,8 +1359,8 @@ static int se401_probe(struct usb_interface *intf, struct usb_device *dev = interface_to_usbdev(intf); struct usb_interface_descriptor *interface; struct usb_se401 *se401; - char *camera_name=NULL; - int button=1; + char *camera_name = NULL; + int button = 1; /* We don't handle multi-config cameras */ if (dev->descriptor.bNumConfigurations != 1) @@ -1350,22 +1369,22 @@ static int se401_probe(struct usb_interface *intf, interface = &intf->cur_altsetting->desc; /* Is it an se401? */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 && - le16_to_cpu(dev->descriptor.idProduct) == 0x0004) { - camera_name="Endpoints/Aox SE401"; - } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 && - le16_to_cpu(dev->descriptor.idProduct) == 0x030b) { - camera_name="Philips PCVC665K"; - } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && - le16_to_cpu(dev->descriptor.idProduct) == 0x5001) { - camera_name="Kensington VideoCAM 67014"; - } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && - le16_to_cpu(dev->descriptor.idProduct) == 0x5002) { - camera_name="Kensington VideoCAM 6701(5/7)"; - } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && - le16_to_cpu(dev->descriptor.idProduct) == 0x5003) { - camera_name="Kensington VideoCAM 67016"; - button=0; + if (le16_to_cpu(dev->descriptor.idVendor) == 0x03e8 && + le16_to_cpu(dev->descriptor.idProduct) == 0x0004) { + camera_name = "Endpoints/Aox SE401"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x0471 && + le16_to_cpu(dev->descriptor.idProduct) == 0x030b) { + camera_name = "Philips PCVC665K"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5001) { + camera_name = "Kensington VideoCAM 67014"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5002) { + camera_name = "Kensington VideoCAM 6701(5/7)"; + } else if (le16_to_cpu(dev->descriptor.idVendor) == 0x047d && + le16_to_cpu(dev->descriptor.idProduct) == 0x5003) { + camera_name = "Kensington VideoCAM 67016"; + button = 0; } else return -ENODEV; @@ -1378,7 +1397,8 @@ static int se401_probe(struct usb_interface *intf, /* We found one */ dev_info(&intf->dev, "SE401 camera found: %s\n", camera_name); - if ((se401 = kzalloc(sizeof(*se401), GFP_KERNEL)) == NULL) { + se401 = kzalloc(sizeof(*se401), GFP_KERNEL); + if (se401 == NULL) { err("couldn't kmalloc se401 struct"); return -ENOMEM; } @@ -1396,12 +1416,14 @@ static int se401_probe(struct usb_interface *intf, } memcpy(&se401->vdev, &se401_template, sizeof(se401_template)); - memcpy(se401->vdev.name, se401->camera_name, strlen(se401->camera_name)); + memcpy(se401->vdev.name, se401->camera_name, + strlen(se401->camera_name)); init_waitqueue_head(&se401->wq); mutex_init(&se401->lock); wmb(); - if (video_register_device(&se401->vdev, VFL_TYPE_GRABBER, video_nr) < 0) { + if (video_register_device(&se401->vdev, + VFL_TYPE_GRABBER, video_nr) < 0) { kfree(se401); err("video_register_device failed"); return -EIO; @@ -1409,20 +1431,20 @@ static int se401_probe(struct usb_interface *intf, dev_info(&intf->dev, "registered new video device: video%d\n", se401->vdev.num); - usb_set_intfdata (intf, se401); + usb_set_intfdata(intf, se401); return 0; } static void se401_disconnect(struct usb_interface *intf) { - struct usb_se401 *se401 = usb_get_intfdata (intf); + struct usb_se401 *se401 = usb_get_intfdata(intf); - usb_set_intfdata (intf, NULL); + usb_set_intfdata(intf, NULL); if (se401) { video_unregister_device(&se401->vdev); - if (!se401->user){ + if (!se401->user) usb_se401_remove_disconnected(se401); - } else { + else { se401->frame[0].grabstate = FRAME_ERROR; se401->frame[0].grabstate = FRAME_ERROR; @@ -1435,10 +1457,10 @@ static void se401_disconnect(struct usb_interface *intf) } static struct usb_driver se401_driver = { - .name = "se401", - .id_table = device_table, - .probe = se401_probe, - .disconnect = se401_disconnect, + .name = "se401", + .id_table = device_table, + .probe = se401_probe, + .disconnect = se401_disconnect, }; @@ -1451,9 +1473,10 @@ static struct usb_driver se401_driver = { static int __init usb_se401_init(void) { - printk(KERN_INFO "SE401 usb camera driver version %s registering\n", version); + printk(KERN_INFO "SE401 usb camera driver version %s registering\n", + version); if (flickerless) - if (flickerless!=50 && flickerless!=60) { + if (flickerless != 50 && flickerless != 60) { printk(KERN_ERR "Invallid flickerless value, use 0, 50 or 60.\n"); return -1; } |