X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fem28xx%2Fem28xx-video.c;h=36e72c207a8fd0f6577c01c5bf894289425291a2;hb=refs%2Fheads%2Fvserver;hp=5b267808a9d4a3d169e7847601bc3d5b9425e65a;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 5b267808a..36e72c207 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -3,7 +3,7 @@ Copyright (C) 2005 Ludovico Cavedon Markus Rechberger - Mauro Carvalho Chehab + Mauro Carvalho Chehab Sascha Sommer Some parts based on SN9C10x PC Camera Controllers GPL driver made @@ -28,6 +28,7 @@ #include #include #include +#include #include #include #include @@ -37,10 +38,11 @@ #include "em28xx.h" #include #include +#include #define DRIVER_AUTHOR "Ludovico Cavedon , " \ "Markus Rechberger , " \ - "Mauro Carvalho Chehab , " \ + "Mauro Carvalho Chehab , " \ "Sascha Sommer " #define DRIVER_NAME "em28xx" @@ -59,8 +61,14 @@ MODULE_LICENSE("GPL"); static LIST_HEAD(em28xx_devlist); static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; +static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; +static unsigned int vbi_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET }; module_param_array(card, int, NULL, 0444); +module_param_array(video_nr, int, NULL, 0444); +module_param_array(vbi_nr, int, NULL, 0444); MODULE_PARM_DESC(card,"card type"); +MODULE_PARM_DESC(video_nr,"video device numbers"); +MODULE_PARM_DESC(vbi_nr,"vbi device numbers"); static int tuner = -1; module_param(tuner, int, 0444); @@ -70,6 +78,9 @@ static unsigned int video_debug = 0; module_param(video_debug,int,0644); MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); +/* Bitmask marking allocated devices from 0 to EM28XX_MAXBOARDS */ +static unsigned long em28xx_devused; + /* supported tv norms */ static struct em28xx_tvnorm tvnorms[] = { { @@ -91,23 +102,6 @@ static struct em28xx_tvnorm tvnorms[] = { } }; -static const unsigned char saa7114_i2c_init[] = { - 0x00,0x00,0x01,0x08,0x02,0xc4,0x03,0x30,0x04,0x90,0x05,0x90,0x06,0xeb,0x07,0xe0, - 0x08,0x88,0x09,0x40,0x0a,0x80,0x0b,0x44,0x0c,0x40,0x0d,0x00,0x0e,0x81,0x0f,0x2a, - 0x10,0x06,0x11,0x00,0x12,0xc8,0x13,0x80,0x14,0x00,0x15,0x11,0x16,0x01,0x17,0x42, - 0x18,0x40,0x19,0x80,0x40,0x00,0x41,0xff,0x42,0xff,0x43,0xff,0x44,0xff,0x45,0xff, - 0x46,0xff,0x47,0xff,0x48,0xff,0x49,0xff,0x4a,0xff,0x4b,0xff,0x4c,0xff,0x4d,0xff, - 0x4e,0xff,0x4f,0xff,0x50,0xff,0x51,0xff,0x52,0xff,0x53,0xff,0x54,0x5f,0x55,0xff, - 0x56,0xff,0x57,0xff,0x58,0x00,0x59,0x47,0x5a,0x03,0x5b,0x03,0x5d,0x3e,0x5e,0x00, - 0x80,0x1c,0x83,0x01,0x84,0xa5,0x85,0x10,0x86,0x45,0x87,0x41,0x88,0xf0,0x88,0x00, - 0x88,0xf0,0x90,0x00,0x91,0x08,0x92,0x00,0x93,0x80,0x94,0x08,0x95,0x00,0x96,0xc0, - 0x97,0x02,0x98,0x13,0x99,0x00,0x9a,0x38,0x9b,0x01,0x9c,0x80,0x9d,0x02,0x9e,0x06, - 0x9f,0x01,0xa0,0x01,0xa1,0x00,0xa2,0x00,0xa4,0x80,0xa5,0x36,0xa6,0x36,0xa8,0x67, - 0xa9,0x04,0xaa,0x00,0xac,0x33,0xad,0x02,0xae,0x00,0xb0,0xcd,0xb1,0x04,0xb2,0xcd, - 0xb3,0x04,0xb4,0x01,0xb8,0x00,0xb9,0x00,0xba,0x00,0xbb,0x00,0xbc,0x00,0xbd,0x00, - 0xbe,0x00,0xbf,0x00 -}; - #define TVNORMS ARRAY_SIZE(tvnorms) /* supported controls */ @@ -134,65 +128,6 @@ static struct v4l2_queryctrl em28xx_qctrl[] = { } }; -/* FIXME: These are specific to saa711x - should be moved to its code */ -static struct v4l2_queryctrl saa711x_qctrl[] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = -128, - .maximum = 127, - .step = 1, - .default_value = 0, - .flags = 0, - },{ - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0x0, - .maximum = 0x1f, - .step = 0x1, - .default_value = 0x10, - .flags = 0, - },{ - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0x0, - .maximum = 0x1f, - .step = 0x1, - .default_value = 0x10, - .flags = 0, - },{ - .id = V4L2_CID_RED_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Red chroma balance", - .minimum = -128, - .maximum = 127, - .step = 1, - .default_value = 0, - .flags = 0, - },{ - .id = V4L2_CID_BLUE_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Blue chroma balance", - .minimum = -128, - .maximum = 127, - .step = 1, - .default_value = 0, - .flags = 0, - },{ - .id = V4L2_CID_GAMMA, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gamma", - .minimum = 0x0, - .maximum = 0x3f, - .step = 0x1, - .default_value = 0x20, - .flags = 0, - } -}; - static struct usb_driver em28xx_usb_driver; static DEFINE_MUTEX(em28xx_sysfs_lock); @@ -211,6 +146,11 @@ static int em28xx_config(struct em28xx *dev) em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1); /* enable vbi capturing */ + +/* em28xx_write_regs_req(dev,0x00,0x0e,"\xC0",1); audio register */ +/* em28xx_write_regs_req(dev,0x00,0x0f,"\x80",1); clk register */ + em28xx_write_regs_req(dev,0x00,0x11,"\x51",1); + em28xx_audio_usb_mute(dev, 1); dev->mute = 1; /* maybe not the right place... */ dev->volume = 0x1f; @@ -230,22 +170,13 @@ static int em28xx_config(struct em28xx *dev) static void em28xx_config_i2c(struct em28xx *dev) { struct v4l2_frequency f; - struct video_decoder_init em28xx_vdi = {.data = NULL }; + struct v4l2_routing route; - - /* configure decoder */ - if(dev->model == EM2820_BOARD_MSI_VOX_USB_2){ - em28xx_vdi.data=saa7114_i2c_init; - em28xx_vdi.len=sizeof(saa7114_i2c_init); - } - - - em28xx_i2c_call_clients(dev, DECODER_INIT, &em28xx_vdi); - em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &dev->ctl_input); -/* em28xx_i2c_call_clients(dev,DECODER_SET_PICTURE, &dev->vpic); */ -/* em28xx_i2c_call_clients(dev,DECODER_SET_NORM,&dev->tvnorm->id); */ -/* em28xx_i2c_call_clients(dev,DECODER_ENABLE_OUTPUT,&output); */ -/* em28xx_i2c_call_clients(dev,DECODER_DUMP, NULL); */ + route.input = INPUT(dev->ctl_input)->vmux; + route.output = 0; + em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, NULL); + em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); + em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL); /* configure tuner */ f.tuner = 0; @@ -279,30 +210,34 @@ static void em28xx_empty_framequeues(struct em28xx *dev) static void video_mux(struct em28xx *dev, int index) { - int input, ainput; + int ainput; + struct v4l2_routing route; - input = INPUT(index)->vmux; + route.input = INPUT(index)->vmux; + route.output = 0; dev->ctl_input = index; dev->ctl_ainput = INPUT(index)->amux; - em28xx_i2c_call_clients(dev, DECODER_SET_INPUT, &input); - + em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); - em28xx_videodbg("Setting input index=%d, vmux=%d, amux=%d\n",index,input,dev->ctl_ainput); + em28xx_videodbg("Setting input index=%d, vmux=%d, amux=%d\n",index,route.input,dev->ctl_ainput); if (dev->has_msp34xx) { if (dev->i2s_speed) em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, &dev->i2s_speed); - em28xx_i2c_call_clients(dev, VIDIOC_S_AUDIO, &dev->ctl_ainput); + route.input = dev->ctl_ainput; + route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1); + /* Note: this is msp3400 specific */ + em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, &route); ainput = EM28XX_AUDIO_SRC_TUNER; em28xx_audio_source(dev, ainput); } else { switch (dev->ctl_ainput) { - case 0: - ainput = EM28XX_AUDIO_SRC_TUNER; - break; - default: - ainput = EM28XX_AUDIO_SRC_LINE; + case 0: + ainput = EM28XX_AUDIO_SRC_TUNER; + break; + default: + ainput = EM28XX_AUDIO_SRC_LINE; } em28xx_audio_source(dev, ainput); } @@ -323,13 +258,20 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) h = list_entry(list, struct em28xx, devlist); if (h->vdev->minor == minor) { dev = h; + dev->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + if (h->vbi_dev->minor == minor) { + dev = h; + dev->type = V4L2_BUF_TYPE_VBI_CAPTURE; } } + if (NULL == dev) + return -ENODEV; filp->private_data=dev; - - em28xx_videodbg("users=%d\n", dev->users); + em28xx_videodbg("open minor=%d type=%s users=%d\n", + minor,v4l2_type_names[dev->type],dev->users); if (!down_read_trylock(&em28xx_disconnect)) return -ERESTARTSYS; @@ -340,40 +282,36 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) return -EBUSY; } -/* if(dev->vbi_dev->minor == minor){ - dev->type=V4L2_BUF_TYPE_VBI_CAPTURE; - }*/ - if (dev->vdev->minor == minor) { - dev->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - } - - init_MUTEX(&dev->fileop_lock); /* to 1 == available */ + mutex_init(&dev->fileop_lock); /* to 1 == available */ spin_lock_init(&dev->queue_lock); init_waitqueue_head(&dev->wait_frame); init_waitqueue_head(&dev->wait_stream); - down(&dev->lock); + mutex_lock(&dev->lock); - em28xx_set_alternate(dev); + if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + em28xx_set_alternate(dev); - dev->width = norm_maxw(dev); - dev->height = norm_maxh(dev); - dev->frame_size = dev->width * dev->height * 2; - dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */ - dev->bytesperline = dev->width * 2; - dev->hscale = 0; - dev->vscale = 0; + dev->width = norm_maxw(dev); + dev->height = norm_maxh(dev); + dev->frame_size = dev->width * dev->height * 2; + dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */ + dev->bytesperline = dev->width * 2; + dev->hscale = 0; + dev->vscale = 0; - em28xx_capture_start(dev, 1); - em28xx_resolution_set(dev); + em28xx_capture_start(dev, 1); + em28xx_resolution_set(dev); - /* device needs to be initialized before isoc transfer */ - video_mux(dev, 0); + /* device needs to be initialized before isoc transfer */ + video_mux(dev, 0); + + /* start the transfer */ + errCode = em28xx_init_isoc(dev); + if (errCode) + goto err; - /* start the transfer */ - errCode = em28xx_init_isoc(dev); - if (errCode) - goto err; + } dev->users++; filp->private_data = dev; @@ -386,10 +324,8 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) dev->state |= DEV_INITIALIZED; - video_mux(dev, 0); - - err: - up(&dev->lock); +err: + mutex_unlock(&dev->lock); up_read(&em28xx_disconnect); return errCode; } @@ -403,14 +339,21 @@ static void em28xx_release_resources(struct em28xx *dev) { mutex_lock(&em28xx_sysfs_lock); - em28xx_info("V4L2 device /dev/video%d deregistered\n", - dev->vdev->minor); + /*FIXME: I2C IR should be disconnected */ + + em28xx_info("V4L2 devices /dev/video%d and /dev/vbi%d deregistered\n", + dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN, + dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN); list_del(&dev->devlist); video_unregister_device(dev->vdev); -/* video_unregister_device(dev->vbi_dev); */ + video_unregister_device(dev->vbi_dev); em28xx_i2c_unregister(dev); usb_put_dev(dev->udev); mutex_unlock(&em28xx_sysfs_lock); + + + /* Mark device as unused */ + em28xx_devused&=~(1<devno); } /* @@ -424,7 +367,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) em28xx_videodbg("users=%d\n", dev->users); - down(&dev->lock); + mutex_lock(&dev->lock); em28xx_uninit_isoc(dev); @@ -433,7 +376,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) /* the device is already disconnect, free the remaining resources */ if (dev->state & DEV_DISCONNECTED) { em28xx_release_resources(dev); - up(&dev->lock); + mutex_unlock(&dev->lock); kfree(dev); return 0; } @@ -449,7 +392,7 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) dev->users--; wake_up_interruptible_nr(&dev->open, 1); - up(&dev->lock); + mutex_unlock(&dev->lock); return 0; } @@ -466,32 +409,54 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, int ret = 0; struct em28xx *dev = filp->private_data; - if (down_interruptible(&dev->fileop_lock)) + if (dev->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + em28xx_videodbg("V4l2_Buf_type_videocapture is set\n"); + } + if (dev->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + em28xx_videodbg("V4L2_BUF_TYPE_VBI_CAPTURE is set\n"); + em28xx_videodbg("not supported yet! ...\n"); + if (copy_to_user(buf, "", 1)) { + mutex_unlock(&dev->fileop_lock); + return -EFAULT; + } + return (1); + } + if (dev->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { + em28xx_videodbg("V4L2_BUF_TYPE_SLICED_VBI_CAPTURE is set\n"); + em28xx_videodbg("not supported yet! ...\n"); + if (copy_to_user(buf, "", 1)) { + mutex_unlock(&dev->fileop_lock); + return -EFAULT; + } + return (1); + } + + if (mutex_lock_interruptible(&dev->fileop_lock)) return -ERESTARTSYS; if (dev->state & DEV_DISCONNECTED) { em28xx_videodbg("device not present\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -ENODEV; } if (dev->state & DEV_MISCONFIGURED) { em28xx_videodbg("device misconfigured; close and open it again\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EIO; } if (dev->io == IO_MMAP) { em28xx_videodbg ("IO method is set to mmap; close and open" " the device again to choose the read method\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EINVAL; } if (dev->io == IO_NONE) { if (!em28xx_request_buffers(dev, EM28XX_NUM_READ_FRAMES)) { em28xx_errdev("read failed, not enough memory\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -ENOMEM; } dev->io = IO_READ; @@ -500,13 +465,13 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, } if (!count) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return 0; } if (list_empty(&dev->outqueue)) { if (filp->f_flags & O_NONBLOCK) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EAGAIN; } ret = wait_event_interruptible @@ -514,11 +479,11 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, (!list_empty(&dev->outqueue)) || (dev->state & DEV_DISCONNECTED)); if (ret) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return ret; } if (dev->state & DEV_DISCONNECTED) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -ENODEV; } } @@ -537,12 +502,12 @@ em28xx_v4l2_read(struct file *filp, char __user * buf, size_t count, count = f->buf.length; if (copy_to_user(buf, f->bufmem, count)) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EFAULT; } *f_pos += count; - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return count; } @@ -556,7 +521,7 @@ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait) unsigned int mask = 0; struct em28xx *dev = filp->private_data; - if (down_interruptible(&dev->fileop_lock)) + if (mutex_lock_interruptible(&dev->fileop_lock)) return POLLERR; if (dev->state & DEV_DISCONNECTED) { @@ -582,13 +547,13 @@ static unsigned int em28xx_v4l2_poll(struct file *filp, poll_table * wait) if (!list_empty(&dev->outqueue)) mask |= POLLIN | POLLRDNORM; - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return mask; } } - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return POLLERR; } @@ -628,25 +593,25 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) struct em28xx *dev = filp->private_data; - if (down_interruptible(&dev->fileop_lock)) + if (mutex_lock_interruptible(&dev->fileop_lock)) return -ERESTARTSYS; if (dev->state & DEV_DISCONNECTED) { em28xx_videodbg("mmap: device not present\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -ENODEV; } if (dev->state & DEV_MISCONFIGURED) { em28xx_videodbg ("mmap: Device is misconfigured; close and " "open it again\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EIO; } if (dev->io != IO_MMAP || !(vma->vm_flags & VM_WRITE) || size != PAGE_ALIGN(dev->frame[0].buf.length)) { - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EINVAL; } @@ -656,7 +621,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) } if (i == dev->num_frames) { em28xx_videodbg("mmap: user supplied mapping address is out of range\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EINVAL; } @@ -668,7 +633,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) while (size > 0) { /* size is page-aligned */ if (vm_insert_page(vma, start, vmalloc_to_page(pos))) { em28xx_videodbg("mmap: vm_insert_page failed\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EAGAIN; } start += PAGE_SIZE; @@ -680,7 +645,7 @@ static int em28xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_private_data = &dev->frame[i]; em28xx_vm_open(vma); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return 0; } @@ -702,43 +667,6 @@ static int em28xx_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) } } -/*FIXME: should be moved to saa711x */ -static int saa711x_get_ctrl(struct em28xx *dev, struct v4l2_control *ctrl) -{ - s32 tmp; - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if ((tmp = em28xx_brightness_get(dev)) < 0) - return -EIO; - ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */ - return 0; - case V4L2_CID_CONTRAST: - if ((ctrl->value = em28xx_contrast_get(dev)) < 0) - return -EIO; - return 0; - case V4L2_CID_SATURATION: - if ((ctrl->value = em28xx_saturation_get(dev)) < 0) - return -EIO; - return 0; - case V4L2_CID_RED_BALANCE: - if ((tmp = em28xx_v_balance_get(dev)) < 0) - return -EIO; - ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */ - return 0; - case V4L2_CID_BLUE_BALANCE: - if ((tmp = em28xx_u_balance_get(dev)) < 0) - return -EIO; - ctrl->value = (s32) ((s8) tmp); /* FIXME: clenaer way to extend sign? */ - return 0; - case V4L2_CID_GAMMA: - if ((ctrl->value = em28xx_gamma_get(dev)) < 0) - return -EIO; - return 0; - default: - return -EINVAL; - } -} - /* * em28xx_set_ctrl() * mute or set new saturation, brightness or contrast @@ -761,27 +689,6 @@ static int em28xx_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) } } -/*FIXME: should be moved to saa711x */ -static int saa711x_set_ctrl(struct em28xx *dev, const struct v4l2_control *ctrl) -{ - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - return em28xx_brightness_set(dev, ctrl->value); - case V4L2_CID_CONTRAST: - return em28xx_contrast_set(dev, ctrl->value); - case V4L2_CID_SATURATION: - return em28xx_saturation_set(dev, ctrl->value); - case V4L2_CID_RED_BALANCE: - return em28xx_v_balance_set(dev, ctrl->value); - case V4L2_CID_BLUE_BALANCE: - return em28xx_u_balance_set(dev, ctrl->value); - case V4L2_CID_GAMMA: - return em28xx_gamma_set(dev, ctrl->value); - default: - return -EINVAL; - } -} - /* * em28xx_stream_interrupt() * stops streaming @@ -802,7 +709,8 @@ static int em28xx_stream_interrupt(struct em28xx *dev) else if (ret) { dev->state |= DEV_MISCONFIGURED; em28xx_videodbg("device is misconfigured; close and " - "open /dev/video%d again\n", dev->vdev->minor); + "open /dev/video%d again\n", + dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN); return ret; } @@ -853,6 +761,181 @@ static int em28xx_set_norm(struct em28xx *dev, int width, int height) return 0; } +static int em28xx_get_fmt(struct em28xx *dev, struct v4l2_format *format) +{ + em28xx_videodbg("VIDIOC_G_FMT: type=%s\n", + (format->type ==V4L2_BUF_TYPE_VIDEO_CAPTURE) ? + "V4L2_BUF_TYPE_VIDEO_CAPTURE" : + (format->type ==V4L2_BUF_TYPE_VBI_CAPTURE) ? + "V4L2_BUF_TYPE_VBI_CAPTURE" : + (format->type ==V4L2_CAP_SLICED_VBI_CAPTURE) ? + "V4L2_BUF_TYPE_SLICED_VBI_CAPTURE " : + "not supported"); + + switch (format->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + { + format->fmt.pix.width = dev->width; + format->fmt.pix.height = dev->height; + format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; + format->fmt.pix.bytesperline = dev->bytesperline; + format->fmt.pix.sizeimage = dev->frame_size; + format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ + + em28xx_videodbg("VIDIOC_G_FMT: %dx%d\n", dev->width, + dev->height); + break; + } + + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + { + format->fmt.sliced.service_set=0; + + em28xx_i2c_call_clients(dev,VIDIOC_G_FMT,format); + + if (format->fmt.sliced.service_set==0) + return -EINVAL; + + break; + } + + default: + return -EINVAL; + } + return (0); +} + +static int em28xx_set_fmt(struct em28xx *dev, unsigned int cmd, struct v4l2_format *format) +{ + u32 i; + int ret = 0; + int width = format->fmt.pix.width; + int height = format->fmt.pix.height; + unsigned int hscale, vscale; + unsigned int maxh, maxw; + + maxw = norm_maxw(dev); + maxh = norm_maxh(dev); + + em28xx_videodbg("%s: type=%s\n", + cmd == VIDIOC_TRY_FMT ? + "VIDIOC_TRY_FMT" : "VIDIOC_S_FMT", + format->type == V4L2_BUF_TYPE_VIDEO_CAPTURE ? + "V4L2_BUF_TYPE_VIDEO_CAPTURE" : + format->type == V4L2_BUF_TYPE_VBI_CAPTURE ? + "V4L2_BUF_TYPE_VBI_CAPTURE " : + "not supported"); + + if (format->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { + em28xx_i2c_call_clients(dev,VIDIOC_G_FMT,format); + + if (format->fmt.sliced.service_set==0) + return -EINVAL; + + return 0; + } + + + if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + em28xx_videodbg("%s: requested %dx%d\n", + cmd == VIDIOC_TRY_FMT ? + "VIDIOC_TRY_FMT" : "VIDIOC_S_FMT", + format->fmt.pix.width, format->fmt.pix.height); + + /* FIXME: Move some code away from here */ + /* width must even because of the YUYV format */ + /* height must be even because of interlacing */ + height &= 0xfffe; + width &= 0xfffe; + + if (height < 32) + height = 32; + if (height > maxh) + height = maxh; + if (width < 48) + width = 48; + if (width > maxw) + width = maxw; + + if(dev->is_em2800){ + /* the em2800 can only scale down to 50% */ + if(height % (maxh / 2)) + height=maxh; + if(width % (maxw / 2)) + width=maxw; + /* according to empiatech support */ + /* the MaxPacketSize is to small to support */ + /* framesizes larger than 640x480 @ 30 fps */ + /* or 640x576 @ 25 fps. As this would cut */ + /* of a part of the image we prefer */ + /* 360x576 or 360x480 for now */ + if(width == maxw && height == maxh) + width /= 2; + } + + if ((hscale = (((unsigned long)maxw) << 12) / width - 4096L) >= 0x4000) + hscale = 0x3fff; + + width = (((unsigned long)maxw) << 12) / (hscale + 4096L); + + if ((vscale = (((unsigned long)maxh) << 12) / height - 4096L) >= 0x4000) + vscale = 0x3fff; + + height = (((unsigned long)maxh) << 12) / (vscale + 4096L); + + format->fmt.pix.width = width; + format->fmt.pix.height = height; + format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; + format->fmt.pix.bytesperline = width * 2; + format->fmt.pix.sizeimage = width * 2 * height; + format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + format->fmt.pix.field = V4L2_FIELD_INTERLACED; + + em28xx_videodbg("%s: returned %dx%d (%d, %d)\n", + cmd == VIDIOC_TRY_FMT ? + "VIDIOC_TRY_FMT" :"VIDIOC_S_FMT", + format->fmt.pix.width, format->fmt.pix.height, hscale, vscale); + + if (cmd == VIDIOC_TRY_FMT) + return 0; + + for (i = 0; i < dev->num_frames; i++) + if (dev->frame[i].vma_use_count) { + em28xx_videodbg("VIDIOC_S_FMT failed. " + "Unmap the buffers first.\n"); + return -EINVAL; + } + + /* stop io in case it is already in progress */ + if (dev->stream == STREAM_ON) { + em28xx_videodbg("VIDIOC_SET_FMT: interupting stream\n"); + if ((ret = em28xx_stream_interrupt(dev))) + return ret; + } + + em28xx_release_buffers(dev); + dev->io = IO_NONE; + + /* set new image size */ + dev->width = width; + dev->height = height; + dev->frame_size = dev->width * dev->height * 2; + dev->field_size = dev->frame_size >> 1; + dev->bytesperline = dev->width * 2; + dev->hscale = hscale; + dev->vscale = vscale; + em28xx_uninit_isoc(dev); + em28xx_set_alternate(dev); + em28xx_capture_start(dev, 1); + em28xx_resolution_set(dev); + em28xx_init_isoc(dev); + + return 0; +} + /* * em28xx_v4l2_do_ioctl() * This function is _not_ called directly, but from @@ -868,392 +951,302 @@ static int em28xx_do_ioctl(struct inode *inode, struct file *filp, switch (cmd) { /* ---------- tv norms ---------- */ case VIDIOC_ENUMSTD: - { - struct v4l2_standard *e = arg; - unsigned int i; + { + struct v4l2_standard *e = arg; + unsigned int i; - i = e->index; - if (i >= TVNORMS) - return -EINVAL; - ret = v4l2_video_std_construct(e, tvnorms[e->index].id, - tvnorms[e->index].name); - e->index = i; - if (ret < 0) - return ret; - return 0; - } + i = e->index; + if (i >= TVNORMS) + return -EINVAL; + ret = v4l2_video_std_construct(e, tvnorms[e->index].id, + tvnorms[e->index].name); + e->index = i; + if (ret < 0) + return ret; + return 0; + } case VIDIOC_G_STD: - { - v4l2_std_id *id = arg; + { + v4l2_std_id *id = arg; - *id = dev->tvnorm->id; - return 0; - } + *id = dev->tvnorm->id; + return 0; + } case VIDIOC_S_STD: - { - v4l2_std_id *id = arg; - unsigned int i; + { + v4l2_std_id *id = arg; + unsigned int i; + for (i = 0; i < TVNORMS; i++) + if (*id == tvnorms[i].id) + break; + if (i == TVNORMS) for (i = 0; i < TVNORMS; i++) - if (*id == tvnorms[i].id) + if (*id & tvnorms[i].id) break; - if (i == TVNORMS) - for (i = 0; i < TVNORMS; i++) - if (*id & tvnorms[i].id) - break; - if (i == TVNORMS) - return -EINVAL; - - down(&dev->lock); - dev->tvnorm = &tvnorms[i]; + if (i == TVNORMS) + return -EINVAL; - em28xx_set_norm(dev, dev->width, dev->height); + mutex_lock(&dev->lock); + dev->tvnorm = &tvnorms[i]; -/* - dev->width=norm_maxw(dev); - dev->height=norm_maxh(dev); - dev->frame_size=dev->width*dev->height*2; - dev->field_size=dev->frame_size>>1; - dev->bytesperline=dev->width*2; - dev->hscale=0; - dev->vscale=0; + em28xx_set_norm(dev, dev->width, dev->height); - em28xx_resolution_set(dev); -*/ -/* - em28xx_uninit_isoc(dev); - em28xx_set_alternate(dev); - em28xx_capture_start(dev, 1); - em28xx_resolution_set(dev); - em28xx_init_isoc(dev); -*/ - em28xx_i2c_call_clients(dev, DECODER_SET_NORM, - &tvnorms[i].mode); - em28xx_i2c_call_clients(dev, VIDIOC_S_STD, - &dev->tvnorm->id); + em28xx_i2c_call_clients(dev, VIDIOC_S_STD, + &dev->tvnorm->id); - up(&dev->lock); + mutex_unlock(&dev->lock); - return 0; - } + return 0; + } - /* ------ input switching ---------- */ + /* ------ input switching ---------- */ case VIDIOC_ENUMINPUT: - { - struct v4l2_input *i = arg; - unsigned int n; - static const char *iname[] = { - [EM28XX_VMUX_COMPOSITE1] = "Composite1", - [EM28XX_VMUX_COMPOSITE2] = "Composite2", - [EM28XX_VMUX_COMPOSITE3] = "Composite3", - [EM28XX_VMUX_COMPOSITE4] = "Composite4", - [EM28XX_VMUX_SVIDEO] = "S-Video", - [EM28XX_VMUX_TELEVISION] = "Television", - [EM28XX_VMUX_CABLE] = "Cable TV", - [EM28XX_VMUX_DVB] = "DVB", - [EM28XX_VMUX_DEBUG] = "for debug only", - }; - - n = i->index; - if (n >= MAX_EM28XX_INPUT) - return -EINVAL; - if (0 == INPUT(n)->type) - return -EINVAL; - memset(i, 0, sizeof(*i)); - i->index = n; - i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name, iname[INPUT(n)->type]); - if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || - (EM28XX_VMUX_CABLE == INPUT(n)->type)) - i->type = V4L2_INPUT_TYPE_TUNER; - for (n = 0; n < ARRAY_SIZE(tvnorms); n++) - i->std |= tvnorms[n].id; - return 0; - } - + { + struct v4l2_input *i = arg; + unsigned int n; + static const char *iname[] = { + [EM28XX_VMUX_COMPOSITE1] = "Composite1", + [EM28XX_VMUX_COMPOSITE2] = "Composite2", + [EM28XX_VMUX_COMPOSITE3] = "Composite3", + [EM28XX_VMUX_COMPOSITE4] = "Composite4", + [EM28XX_VMUX_SVIDEO] = "S-Video", + [EM28XX_VMUX_TELEVISION] = "Television", + [EM28XX_VMUX_CABLE] = "Cable TV", + [EM28XX_VMUX_DVB] = "DVB", + [EM28XX_VMUX_DEBUG] = "for debug only", + }; + + n = i->index; + if (n >= MAX_EM28XX_INPUT) + return -EINVAL; + if (0 == INPUT(n)->type) + return -EINVAL; + memset(i, 0, sizeof(*i)); + i->index = n; + i->type = V4L2_INPUT_TYPE_CAMERA; + strcpy(i->name, iname[INPUT(n)->type]); + if ((EM28XX_VMUX_TELEVISION == INPUT(n)->type) || + (EM28XX_VMUX_CABLE == INPUT(n)->type)) + i->type = V4L2_INPUT_TYPE_TUNER; + for (n = 0; n < ARRAY_SIZE(tvnorms); n++) + i->std |= tvnorms[n].id; + return 0; + } case VIDIOC_G_INPUT: - { - int *i = arg; - *i = dev->ctl_input; - - return 0; - } + { + int *i = arg; + *i = dev->ctl_input; + return 0; + } case VIDIOC_S_INPUT: - { - int *index = arg; - - if (*index >= MAX_EM28XX_INPUT) - return -EINVAL; - if (0 == INPUT(*index)->type) - return -EINVAL; + { + int *index = arg; - down(&dev->lock); - video_mux(dev, *index); - up(&dev->lock); + if (*index >= MAX_EM28XX_INPUT) + return -EINVAL; + if (0 == INPUT(*index)->type) + return -EINVAL; - return 0; - } + mutex_lock(&dev->lock); + video_mux(dev, *index); + mutex_unlock(&dev->lock); + return 0; + } case VIDIOC_G_AUDIO: - { - struct v4l2_audio *a = arg; - unsigned int index = a->index; + { + struct v4l2_audio *a = arg; + unsigned int index = a->index; - if (a->index > 1) - return -EINVAL; - memset(a, 0, sizeof(*a)); - index = dev->ctl_ainput; + if (a->index > 1) + return -EINVAL; + memset(a, 0, sizeof(*a)); + index = dev->ctl_ainput; - if (index == 0) { - strcpy(a->name, "Television"); - } else { - strcpy(a->name, "Line In"); - } - a->capability = V4L2_AUDCAP_STEREO; - a->index = index; - return 0; + if (index == 0) { + strcpy(a->name, "Television"); + } else { + strcpy(a->name, "Line In"); } - + a->capability = V4L2_AUDCAP_STEREO; + a->index = index; + return 0; + } case VIDIOC_S_AUDIO: - { - struct v4l2_audio *a = arg; - if (a->index != dev->ctl_ainput) - return -EINVAL; + { + struct v4l2_audio *a = arg; - return 0; - } + if (a->index != dev->ctl_ainput) + return -EINVAL; - /* --- controls ---------------------------------------------- */ + return 0; + } + + /* --- controls ---------------------------------------------- */ case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; - int i, id=qc->id; - - memset(qc,0,sizeof(*qc)); - qc->id=id; - - if (!dev->has_msp34xx) { - for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { - if (qc->id && qc->id == em28xx_qctrl[i].id) { - memcpy(qc, &(em28xx_qctrl[i]), - sizeof(*qc)); - return 0; - } - } - } - if (dev->decoder == EM28XX_TVP5150) { - em28xx_i2c_call_clients(dev,cmd,qc); - if (qc->type) - return 0; - else - return -EINVAL; - } - for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) { - if (qc->id && qc->id == saa711x_qctrl[i].id) { - memcpy(qc, &(saa711x_qctrl[i]), - sizeof(*qc)); - return 0; - } - } + { + struct v4l2_queryctrl *qc = arg; + int i, id=qc->id; - return -EINVAL; - } + memset(qc,0,sizeof(*qc)); + qc->id=id; - case VIDIOC_G_CTRL: - { - struct v4l2_control *ctrl = arg; - int retval=-EINVAL; - - if (!dev->has_msp34xx) - retval=em28xx_get_ctrl(dev, ctrl); - if (retval==-EINVAL) { - if (dev->decoder == EM28XX_TVP5150) { - em28xx_i2c_call_clients(dev,cmd,arg); + if (!dev->has_msp34xx) { + for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { + if (qc->id && qc->id == em28xx_qctrl[i].id) { + memcpy(qc, &(em28xx_qctrl[i]), + sizeof(*qc)); return 0; } - - return saa711x_get_ctrl(dev, ctrl); - } else return retval; + } } + em28xx_i2c_call_clients(dev,cmd,qc); + if (qc->type) + return 0; + else + return -EINVAL; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + int retval=-EINVAL; + if (!dev->has_msp34xx) + retval=em28xx_get_ctrl(dev, ctrl); + if (retval==-EINVAL) { + em28xx_i2c_call_clients(dev,cmd,arg); + return 0; + } else return retval; + } case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - u8 i; - - if (!dev->has_msp34xx){ - for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { - if (ctrl->id == em28xx_qctrl[i].id) { - if (ctrl->value < - em28xx_qctrl[i].minimum - || ctrl->value > - em28xx_qctrl[i].maximum) - return -ERANGE; - return em28xx_set_ctrl(dev, ctrl); - } - } - } - - if (dev->decoder == EM28XX_TVP5150) { - em28xx_i2c_call_clients(dev,cmd,arg); - return 0; - } else if (!dev->has_msp34xx) { - for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { - if (ctrl->id == em28xx_qctrl[i].id) { - if (ctrl->value < - em28xx_qctrl[i].minimum - || ctrl->value > - em28xx_qctrl[i].maximum) - return -ERANGE; - return em28xx_set_ctrl(dev, ctrl); - } - } - for (i = 0; i < ARRAY_SIZE(saa711x_qctrl); i++) { - if (ctrl->id == saa711x_qctrl[i].id) { - if (ctrl->value < - saa711x_qctrl[i].minimum - || ctrl->value > - saa711x_qctrl[i].maximum) - return -ERANGE; - return saa711x_set_ctrl(dev, ctrl); - } + { + struct v4l2_control *ctrl = arg; + u8 i; + + if (!dev->has_msp34xx){ + for (i = 0; i < ARRAY_SIZE(em28xx_qctrl); i++) { + if (ctrl->id == em28xx_qctrl[i].id) { + if (ctrl->value < + em28xx_qctrl[i].minimum + || ctrl->value > + em28xx_qctrl[i].maximum) + return -ERANGE; + return em28xx_set_ctrl(dev, ctrl); } } - - return -EINVAL; } - /* --- tuner ioctls ------------------------------------------ */ + em28xx_i2c_call_clients(dev,cmd,arg); + return 0; + } + /* --- tuner ioctls ------------------------------------------ */ case VIDIOC_G_TUNER: - { - struct v4l2_tuner *t = arg; - int status = 0; + { + struct v4l2_tuner *t = arg; - if (0 != t->index) - return -EINVAL; + if (0 != t->index) + return -EINVAL; - memset(t, 0, sizeof(*t)); - strcpy(t->name, "Tuner"); - t->type = V4L2_TUNER_ANALOG_TV; - t->capability = V4L2_TUNER_CAP_NORM; - t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */ -/* t->signal = 0xffff;*/ -/* em28xx_i2c_call_clients(dev,VIDIOC_G_TUNER,t);*/ - /* No way to get signal strength? */ - down(&dev->lock); - em28xx_i2c_call_clients(dev, DECODER_GET_STATUS, - &status); - up(&dev->lock); - t->signal = - (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0; - - em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal, - t->afc); - return 0; - } + memset(t, 0, sizeof(*t)); + strcpy(t->name, "Tuner"); + mutex_lock(&dev->lock); + /* let clients fill in the remainder of this struct */ + em28xx_i2c_call_clients(dev, cmd, t); + mutex_unlock(&dev->lock); + em28xx_videodbg("VIDIO_G_TUNER: signal=%x, afc=%x\n", t->signal, + t->afc); + return 0; + } case VIDIOC_S_TUNER: - { - struct v4l2_tuner *t = arg; - int status = 0; + { + struct v4l2_tuner *t = arg; - if (0 != t->index) - return -EINVAL; - memset(t, 0, sizeof(*t)); - strcpy(t->name, "Tuner"); - t->type = V4L2_TUNER_ANALOG_TV; - t->capability = V4L2_TUNER_CAP_NORM; - t->rangehigh = 0xffffffffUL; /* FIXME: set correct range */ -/* t->signal = 0xffff; */ - /* No way to get signal strength? */ - down(&dev->lock); - em28xx_i2c_call_clients(dev, DECODER_GET_STATUS, - &status); - up(&dev->lock); - t->signal = - (status & DECODER_STATUS_GOOD) != 0 ? 0xffff : 0; - - em28xx_videodbg("VIDIO_S_TUNER: signal=%x, afc=%x\n", - t->signal, t->afc); - return 0; - } + if (0 != t->index) + return -EINVAL; + mutex_lock(&dev->lock); + /* let clients handle this */ + em28xx_i2c_call_clients(dev, cmd, t); + mutex_unlock(&dev->lock); + return 0; + } case VIDIOC_G_FREQUENCY: - { - struct v4l2_frequency *f = arg; + { + struct v4l2_frequency *f = arg; - memset(f, 0, sizeof(*f)); - f->type = V4L2_TUNER_ANALOG_TV; - f->frequency = dev->ctl_freq; + memset(f, 0, sizeof(*f)); + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = dev->ctl_freq; - return 0; - } + return 0; + } case VIDIOC_S_FREQUENCY: - { - struct v4l2_frequency *f = arg; - - if (0 != f->tuner) - return -EINVAL; + { + struct v4l2_frequency *f = arg; - if (V4L2_TUNER_ANALOG_TV != f->type) - return -EINVAL; + if (0 != f->tuner) + return -EINVAL; - down(&dev->lock); - dev->ctl_freq = f->frequency; - em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f); - up(&dev->lock); - return 0; - } + if (V4L2_TUNER_ANALOG_TV != f->type) + return -EINVAL; + mutex_lock(&dev->lock); + dev->ctl_freq = f->frequency; + em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, f); + mutex_unlock(&dev->lock); + return 0; + } case VIDIOC_CROPCAP: - { - struct v4l2_cropcap *cc = arg; + { + struct v4l2_cropcap *cc = arg; - if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - cc->bounds.left = 0; - cc->bounds.top = 0; - cc->bounds.width = dev->width; - cc->bounds.height = dev->height; - cc->defrect = cc->bounds; - cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ - cc->pixelaspect.denominator = 59; - return 0; - } + if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + cc->bounds.left = 0; + cc->bounds.top = 0; + cc->bounds.width = dev->width; + cc->bounds.height = dev->height; + cc->defrect = cc->bounds; + cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */ + cc->pixelaspect.denominator = 59; + return 0; + } case VIDIOC_STREAMON: - { - int *type = arg; + { + int *type = arg; - if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE - || dev->io != IO_MMAP) - return -EINVAL; + if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE + || dev->io != IO_MMAP) + return -EINVAL; - if (list_empty(&dev->inqueue)) - return -EINVAL; + if (list_empty(&dev->inqueue)) + return -EINVAL; - dev->stream = STREAM_ON; /* FIXME: Start video capture here? */ + dev->stream = STREAM_ON; /* FIXME: Start video capture here? */ - em28xx_videodbg("VIDIOC_STREAMON: starting stream\n"); + em28xx_videodbg("VIDIOC_STREAMON: starting stream\n"); - return 0; - } + return 0; + } case VIDIOC_STREAMOFF: - { - int *type = arg; - int ret; - - if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE - || dev->io != IO_MMAP) - return -EINVAL; + { + int *type = arg; + int ret; - if (dev->stream == STREAM_ON) { - em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n"); - if ((ret = em28xx_stream_interrupt(dev))) - return ret; - } - em28xx_empty_framequeues(dev); + if (*type != V4L2_BUF_TYPE_VIDEO_CAPTURE + || dev->io != IO_MMAP) + return -EINVAL; - return 0; + if (dev->stream == STREAM_ON) { + em28xx_videodbg ("VIDIOC_STREAMOFF: interrupting stream\n"); + if ((ret = em28xx_stream_interrupt(dev))) + return ret; } + em28xx_empty_framequeues(dev); + + return 0; + } default: return v4l_compat_translate_ioctl(inode, filp, cmd, arg, driver_ioctl); @@ -1283,327 +1276,170 @@ static int em28xx_video_do_ioctl(struct inode *inode, struct file *filp, /* --- capabilities ------------------------------------------ */ case VIDIOC_QUERYCAP: { - struct v4l2_capability *cap = arg; - - memset(cap, 0, sizeof(*cap)); - strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); - strlcpy(cap->card, em28xx_boards[dev->model].name, - sizeof(cap->card)); - strlcpy(cap->bus_info, dev->udev->dev.bus_id, - sizeof(cap->bus_info)); - cap->version = EM28XX_VERSION_CODE; - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_AUDIO | - V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; - if (dev->has_tuner) - cap->capabilities |= V4L2_CAP_TUNER; - return 0; - } - - /* --- capture ioctls ---------------------------------------- */ + struct v4l2_capability *cap = arg; + + memset(cap, 0, sizeof(*cap)); + strlcpy(cap->driver, "em28xx", sizeof(cap->driver)); + strlcpy(cap->card, em28xx_boards[dev->model].name, + sizeof(cap->card)); + strlcpy(cap->bus_info, dev->udev->dev.bus_id, + sizeof(cap->bus_info)); + cap->version = EM28XX_VERSION_CODE; + cap->capabilities = + V4L2_CAP_SLICED_VBI_CAPTURE | + V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_AUDIO | + V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; + if (dev->has_tuner) + cap->capabilities |= V4L2_CAP_TUNER; + return 0; + } + /* --- capture ioctls ---------------------------------------- */ case VIDIOC_ENUM_FMT: - { - struct v4l2_fmtdesc *fmtd = arg; - - if (fmtd->index != 0) - return -EINVAL; - memset(fmtd, 0, sizeof(*fmtd)); - fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - strcpy(fmtd->description, "Packed YUY2"); - fmtd->pixelformat = V4L2_PIX_FMT_YUYV; - memset(fmtd->reserved, 0, sizeof(fmtd->reserved)); - return 0; - } + { + struct v4l2_fmtdesc *fmtd = arg; + if (fmtd->index != 0) + return -EINVAL; + memset(fmtd, 0, sizeof(*fmtd)); + fmtd->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + strcpy(fmtd->description, "Packed YUY2"); + fmtd->pixelformat = V4L2_PIX_FMT_YUYV; + memset(fmtd->reserved, 0, sizeof(fmtd->reserved)); + return 0; + } case VIDIOC_G_FMT: - { - struct v4l2_format *format = arg; - - em28xx_videodbg("VIDIOC_G_FMT: type=%s\n", - format->type == - V4L2_BUF_TYPE_VIDEO_CAPTURE ? - "V4L2_BUF_TYPE_VIDEO_CAPTURE" : format->type == - V4L2_BUF_TYPE_VBI_CAPTURE ? - "V4L2_BUF_TYPE_VBI_CAPTURE " : - "not supported"); - - if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - format->fmt.pix.width = dev->width; - format->fmt.pix.height = dev->height; - format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; - format->fmt.pix.bytesperline = dev->bytesperline; - format->fmt.pix.sizeimage = dev->frame_size; - format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - format->fmt.pix.field = dev->interlaced ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; /* FIXME: TOP? NONE? BOTTOM? ALTENATE? */ - - em28xx_videodbg("VIDIOC_G_FMT: %dx%d\n", dev->width, - dev->height); - return 0; - } + return em28xx_get_fmt(dev, (struct v4l2_format *) arg); case VIDIOC_TRY_FMT: case VIDIOC_S_FMT: - { - struct v4l2_format *format = arg; - u32 i; - int ret = 0; - int width = format->fmt.pix.width; - int height = format->fmt.pix.height; - unsigned int hscale, vscale; - unsigned int maxh, maxw; - - maxw = norm_maxw(dev); - maxh = norm_maxh(dev); - -/* int both_fields; */ - - em28xx_videodbg("%s: type=%s\n", - cmd == - VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" : - "VIDIOC_S_FMT", - format->type == - V4L2_BUF_TYPE_VIDEO_CAPTURE ? - "V4L2_BUF_TYPE_VIDEO_CAPTURE" : format->type == - V4L2_BUF_TYPE_VBI_CAPTURE ? - "V4L2_BUF_TYPE_VBI_CAPTURE " : - "not supported"); - - if (format->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - em28xx_videodbg("%s: requested %dx%d\n", - cmd == - VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" : - "VIDIOC_S_FMT", format->fmt.pix.width, - format->fmt.pix.height); - - /* FIXME: Move some code away from here */ - /* width must even because of the YUYV format */ - /* height must be even because of interlacing */ - height &= 0xfffe; - width &= 0xfffe; - - if (height < 32) - height = 32; - if (height > maxh) - height = maxh; - if (width < 48) - width = 48; - if (width > maxw) - width = maxw; - - if(dev->is_em2800){ - /* the em2800 can only scale down to 50% */ - if(height % (maxh / 2)) - height=maxh; - if(width % (maxw / 2)) - width=maxw; - /* according to empiatech support */ - /* the MaxPacketSize is to small to support */ - /* framesizes larger than 640x480 @ 30 fps */ - /* or 640x576 @ 25 fps. As this would cut */ - /* of a part of the image we prefer */ - /* 360x576 or 360x480 for now */ - if(width == maxw && height == maxh) - width /= 2; - } - - if ((hscale = - (((unsigned long)maxw) << 12) / width - 4096L) >= - 0x4000) - hscale = 0x3fff; - width = - (((unsigned long)maxw) << 12) / (hscale + 4096L); - - if ((vscale = - (((unsigned long)maxh) << 12) / height - 4096L) >= - 0x4000) - vscale = 0x3fff; - height = - (((unsigned long)maxh) << 12) / (vscale + 4096L); - - format->fmt.pix.width = width; - format->fmt.pix.height = height; - format->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; - format->fmt.pix.bytesperline = width * 2; - format->fmt.pix.sizeimage = width * 2 * height; - format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; - format->fmt.pix.field = V4L2_FIELD_INTERLACED; - - em28xx_videodbg("%s: returned %dx%d (%d, %d)\n", - cmd == - VIDIOC_TRY_FMT ? "VIDIOC_TRY_FMT" : - "VIDIOC_S_FMT", format->fmt.pix.width, - format->fmt.pix.height, hscale, vscale); - - if (cmd == VIDIOC_TRY_FMT) - return 0; - - for (i = 0; i < dev->num_frames; i++) - if (dev->frame[i].vma_use_count) { - em28xx_videodbg("VIDIOC_S_FMT failed. " - "Unmap the buffers first.\n"); - return -EINVAL; - } + return em28xx_set_fmt(dev, cmd, (struct v4l2_format *)arg); - /* stop io in case it is already in progress */ - if (dev->stream == STREAM_ON) { - em28xx_videodbg("VIDIOC_SET_FMT: interupting stream\n"); - if ((ret = em28xx_stream_interrupt(dev))) - return ret; - } + case VIDIOC_REQBUFS: + { + struct v4l2_requestbuffers *rb = arg; + u32 i; + int ret; - em28xx_release_buffers(dev); - dev->io = IO_NONE; - - /* set new image size */ - dev->width = width; - dev->height = height; - dev->frame_size = dev->width * dev->height * 2; - dev->field_size = dev->frame_size >> 1; /*both_fileds ? dev->frame_size>>1 : dev->frame_size; */ - dev->bytesperline = dev->width * 2; - dev->hscale = hscale; - dev->vscale = vscale; -/* dev->both_fileds = both_fileds; */ - em28xx_uninit_isoc(dev); - em28xx_set_alternate(dev); - em28xx_capture_start(dev, 1); - em28xx_resolution_set(dev); - em28xx_init_isoc(dev); + if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + rb->memory != V4L2_MEMORY_MMAP) + return -EINVAL; - return 0; + if (dev->io == IO_READ) { + em28xx_videodbg ("method is set to read;" + " close and open the device again to" + " choose the mmap I/O method\n"); + return -EINVAL; } - /* --- streaming capture ------------------------------------- */ - case VIDIOC_REQBUFS: - { - struct v4l2_requestbuffers *rb = arg; - u32 i; - int ret; - - if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - rb->memory != V4L2_MEMORY_MMAP) - return -EINVAL; - - if (dev->io == IO_READ) { - em28xx_videodbg ("method is set to read;" - " close and open the device again to" - " choose the mmap I/O method\n"); + for (i = 0; i < dev->num_frames; i++) + if (dev->frame[i].vma_use_count) { + em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n"); return -EINVAL; } - for (i = 0; i < dev->num_frames; i++) - if (dev->frame[i].vma_use_count) { - em28xx_videodbg ("VIDIOC_REQBUFS failed; previous buffers are still mapped\n"); - return -EINVAL; - } - - if (dev->stream == STREAM_ON) { - em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n"); - if ((ret = em28xx_stream_interrupt(dev))) - return ret; - } - - em28xx_empty_framequeues(dev); + if (dev->stream == STREAM_ON) { + em28xx_videodbg("VIDIOC_REQBUFS: interrupting stream\n"); + if ((ret = em28xx_stream_interrupt(dev))) + return ret; + } - em28xx_release_buffers(dev); - if (rb->count) - rb->count = - em28xx_request_buffers(dev, rb->count); + em28xx_empty_framequeues(dev); - dev->frame_current = NULL; + em28xx_release_buffers(dev); + if (rb->count) + rb->count = + em28xx_request_buffers(dev, rb->count); - em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n", - rb->count); - dev->io = rb->count ? IO_MMAP : IO_NONE; - return 0; - } + dev->frame_current = NULL; + em28xx_videodbg ("VIDIOC_REQBUFS: setting io method to mmap: num bufs %i\n", + rb->count); + dev->io = rb->count ? IO_MMAP : IO_NONE; + return 0; + } case VIDIOC_QUERYBUF: - { - struct v4l2_buffer *b = arg; + { + struct v4l2_buffer *b = arg; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b->index >= dev->num_frames || dev->io != IO_MMAP) - return -EINVAL; + if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b->index >= dev->num_frames || dev->io != IO_MMAP) + return -EINVAL; - memcpy(b, &dev->frame[b->index].buf, sizeof(*b)); + memcpy(b, &dev->frame[b->index].buf, sizeof(*b)); - if (dev->frame[b->index].vma_use_count) { - b->flags |= V4L2_BUF_FLAG_MAPPED; - } - if (dev->frame[b->index].state == F_DONE) - b->flags |= V4L2_BUF_FLAG_DONE; - else if (dev->frame[b->index].state != F_UNUSED) - b->flags |= V4L2_BUF_FLAG_QUEUED; - return 0; + if (dev->frame[b->index].vma_use_count) { + b->flags |= V4L2_BUF_FLAG_MAPPED; } + if (dev->frame[b->index].state == F_DONE) + b->flags |= V4L2_BUF_FLAG_DONE; + else if (dev->frame[b->index].state != F_UNUSED) + b->flags |= V4L2_BUF_FLAG_QUEUED; + return 0; + } case VIDIOC_QBUF: - { - struct v4l2_buffer *b = arg; - unsigned long lock_flags; + { + struct v4l2_buffer *b = arg; + unsigned long lock_flags; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || - b->index >= dev->num_frames || dev->io != IO_MMAP) { - return -EINVAL; - } + if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || + b->index >= dev->num_frames || dev->io != IO_MMAP) { + return -EINVAL; + } - if (dev->frame[b->index].state != F_UNUSED) { - return -EAGAIN; - } - dev->frame[b->index].state = F_QUEUED; + if (dev->frame[b->index].state != F_UNUSED) { + return -EAGAIN; + } + dev->frame[b->index].state = F_QUEUED; - /* add frame to fifo */ - spin_lock_irqsave(&dev->queue_lock, lock_flags); - list_add_tail(&dev->frame[b->index].frame, - &dev->inqueue); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); + /* add frame to fifo */ + spin_lock_irqsave(&dev->queue_lock, lock_flags); + list_add_tail(&dev->frame[b->index].frame, + &dev->inqueue); + spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - return 0; - } + return 0; + } case VIDIOC_DQBUF: - { - struct v4l2_buffer *b = arg; - struct em28xx_frame_t *f; - unsigned long lock_flags; - int ret = 0; + { + struct v4l2_buffer *b = arg; + struct em28xx_frame_t *f; + unsigned long lock_flags; + int ret = 0; - if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE - || dev->io != IO_MMAP) - return -EINVAL; + if (b->type != V4L2_BUF_TYPE_VIDEO_CAPTURE + || dev->io != IO_MMAP) + return -EINVAL; - if (list_empty(&dev->outqueue)) { - if (dev->stream == STREAM_OFF) - return -EINVAL; - if (filp->f_flags & O_NONBLOCK) - return -EAGAIN; - ret = wait_event_interruptible - (dev->wait_frame, - (!list_empty(&dev->outqueue)) || - (dev->state & DEV_DISCONNECTED)); - if (ret) - return ret; - if (dev->state & DEV_DISCONNECTED) - return -ENODEV; - } + if (list_empty(&dev->outqueue)) { + if (dev->stream == STREAM_OFF) + return -EINVAL; + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + ret = wait_event_interruptible + (dev->wait_frame, + (!list_empty(&dev->outqueue)) || + (dev->state & DEV_DISCONNECTED)); + if (ret) + return ret; + if (dev->state & DEV_DISCONNECTED) + return -ENODEV; + } - spin_lock_irqsave(&dev->queue_lock, lock_flags); - f = list_entry(dev->outqueue.next, - struct em28xx_frame_t, frame); - list_del(dev->outqueue.next); - spin_unlock_irqrestore(&dev->queue_lock, lock_flags); + spin_lock_irqsave(&dev->queue_lock, lock_flags); + f = list_entry(dev->outqueue.next, + struct em28xx_frame_t, frame); + list_del(dev->outqueue.next); + spin_unlock_irqrestore(&dev->queue_lock, lock_flags); - f->state = F_UNUSED; - memcpy(b, &f->buf, sizeof(*b)); + f->state = F_UNUSED; + memcpy(b, &f->buf, sizeof(*b)); - if (f->vma_use_count) - b->flags |= V4L2_BUF_FLAG_MAPPED; + if (f->vma_use_count) + b->flags |= V4L2_BUF_FLAG_MAPPED; - return 0; - } + return 0; + } default: return em28xx_do_ioctl(inode, filp, dev, cmd, arg, em28xx_video_do_ioctl); @@ -1621,25 +1457,25 @@ static int em28xx_v4l2_ioctl(struct inode *inode, struct file *filp, int ret = 0; struct em28xx *dev = filp->private_data; - if (down_interruptible(&dev->fileop_lock)) + if (mutex_lock_interruptible(&dev->fileop_lock)) return -ERESTARTSYS; if (dev->state & DEV_DISCONNECTED) { em28xx_errdev("v4l2 ioctl: device not present\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -ENODEV; } if (dev->state & DEV_MISCONFIGURED) { em28xx_errdev ("v4l2 ioctl: device is misconfigured; close and open it again\n"); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return -EIO; } ret = video_usercopy(inode, filp, cmd, arg, em28xx_video_do_ioctl); - up(&dev->fileop_lock); + mutex_unlock(&dev->fileop_lock); return ret; } @@ -1673,7 +1509,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->udev = udev; dev->model = model; - init_MUTEX(&dev->lock); + mutex_init(&dev->lock); init_waitqueue_head(&dev->open); dev->em28xx_write_regs = em28xx_write_regs; @@ -1729,25 +1565,25 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->vpic.depth = 16; dev->vpic.palette = VIDEO_PALETTE_YUV422; + em28xx_pre_card_setup(dev); #ifdef CONFIG_MODULES /* request some modules */ if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114) - request_module("saa711x"); + request_module("saa7115"); if (dev->decoder == EM28XX_TVP5150) request_module("tvp5150"); if (dev->has_tuner) request_module("tuner"); - if (dev->tda9887_conf) - request_module("tda9887"); #endif errCode = em28xx_config(dev); if (errCode) { em28xx_errdev("error configuring device\n"); + em28xx_devused&=~(1<devno); kfree(dev); return -ENOMEM; } - down(&dev->lock); + mutex_lock(&dev->lock); /* register i2c bus */ em28xx_i2c_register(dev); @@ -1757,7 +1593,7 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, /* configure the device */ em28xx_config_i2c(dev); - up(&dev->lock); + mutex_unlock(&dev->lock); errCode = em28xx_config(dev); @@ -1769,10 +1605,31 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->vdev = video_device_alloc(); if (NULL == dev->vdev) { em28xx_errdev("cannot allocate video_device.\n"); + em28xx_devused&=~(1<devno); kfree(dev); return -ENOMEM; } + dev->vbi_dev = video_device_alloc(); + if (NULL == dev->vbi_dev) { + em28xx_errdev("cannot allocate video_device.\n"); + kfree(dev->vdev); + em28xx_devused&=~(1<devno); + kfree(dev); + return -ENOMEM; + } + + /* Fills VBI device info */ + dev->vbi_dev->type = VFL_TYPE_VBI; + dev->vbi_dev->hardware = 0; + dev->vbi_dev->fops = &em28xx_v4l_fops; + dev->vbi_dev->minor = -1; + dev->vbi_dev->dev = &dev->udev->dev; + dev->vbi_dev->release = video_device_release; + snprintf(dev->vbi_dev->name, sizeof(dev->vbi_dev->name), "%s#%d %s", + "em28xx",dev->devno,"vbi"); + + /* Fills CAPTURE device info */ dev->vdev->type = VID_TYPE_CAPTURE; if (dev->has_tuner) dev->vdev->type |= VID_TYPE_TUNER; @@ -1781,35 +1638,54 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->vdev->minor = -1; dev->vdev->dev = &dev->udev->dev; dev->vdev->release = video_device_release; - snprintf(dev->vdev->name, sizeof(dev->vdev->name), "%s", - "em28xx video"); + snprintf(dev->vdev->name, sizeof(dev->vbi_dev->name), "%s#%d %s", + "em28xx",dev->devno,"video"); + list_add_tail(&dev->devlist,&em28xx_devlist); /* register v4l2 device */ - down(&dev->lock); - if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1))) { + mutex_lock(&dev->lock); + if ((retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, + video_nr[dev->devno]))) { em28xx_errdev("unable to register video device (error=%i).\n", retval); - up(&dev->lock); + mutex_unlock(&dev->lock); list_del(&dev->devlist); video_device_release(dev->vdev); + em28xx_devused&=~(1<devno); kfree(dev); return -ENODEV; } + + if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI, + vbi_nr[dev->devno]) < 0) { + printk("unable to register vbi device\n"); + mutex_unlock(&dev->lock); + list_del(&dev->devlist); + video_device_release(dev->vbi_dev); + video_device_release(dev->vdev); + em28xx_devused&=~(1<devno); + kfree(dev); + return -ENODEV; + } else { + printk("registered VBI\n"); + } + if (dev->has_msp34xx) { /* Send a reset to other chips via gpio */ em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1); - udelay(2500); + msleep(3); em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1); - udelay(2500); + msleep(3); } video_mux(dev, 0); - up(&dev->lock); + mutex_unlock(&dev->lock); - em28xx_info("V4L2 device registered as /dev/video%d\n", - dev->vdev->minor); + em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n", + dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN, + dev->vbi_dev->minor-MINOR_VFL_TYPE_VBI_MIN); return 0; } @@ -1831,6 +1707,9 @@ static int em28xx_usb_probe(struct usb_interface *interface, udev = usb_get_dev(interface_to_usbdev(interface)); ifnum = interface->altsetting[0].desc.bInterfaceNumber; + /* Check to see next free device and mark as used */ + nr=find_first_zero_bit(&em28xx_devused,EM28XX_MAXBOARDS); + em28xx_devused|=1<altsetting[0].desc.bInterfaceClass == USB_CLASS_AUDIO) { @@ -1838,6 +1717,8 @@ static int em28xx_usb_probe(struct usb_interface *interface, udev->descriptor.idVendor,udev->descriptor.idProduct, ifnum, interface->altsetting[0].desc.bInterfaceClass); + + em28xx_devused&=~(1<bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_ISOC) { em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n"); + em28xx_devused&=~(1<bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n"); + em28xx_devused&=~(1<driver_info; - nr=interface->minor; - if (nr>EM28XX_MAXBOARDS) { + if (nr >= EM28XX_MAXBOARDS) { printk (DRIVER_NAME ": Supports only %i em28xx boards.\n",EM28XX_MAXBOARDS); + em28xx_devused&=~(1<name, 29, "em28xx #%d", nr); + dev->devno=nr; + /* compute alternate max packet sizes */ uif = udev->actconfig->interface[0]; dev->num_alt=uif->num_altsetting; - printk(DRIVER_NAME ": Alternate settings: %i\n",dev->num_alt); + em28xx_info("Alternate settings: %i\n",dev->num_alt); // dev->alt_max_pkt_size = kmalloc(sizeof(*dev->alt_max_pkt_size)* dev->alt_max_pkt_size = kmalloc(32* dev->num_alt,GFP_KERNEL); if (dev->alt_max_pkt_size == NULL) { - em28xx_err(DRIVER_NAME ": out of memory!\n"); + em28xx_errdev("out of memory!\n"); + em28xx_devused&=~(1<alt_max_pkt_size[i] = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1); - printk(DRIVER_NAME ": Alternate setting %i, max size= %i\n",i, + em28xx_info("Alternate setting %i, max size= %i\n",i, dev->alt_max_pkt_size[i]); } - snprintf(dev->name, 29, "em28xx #%d", nr); - if ((card[nr]>=0)&&(card[nr] insmod option to\n" "%s: workaround that. Redirect complaints to the vendor of\n" - "%s: the TV card. Best regards,\n" + "%s: the TV card. Generic type will be used." + "%s: Best regards,\n" "%s: -- tux\n", dev->name,dev->name,dev->name,dev->name,dev->name); - printk("%s: Here is a list of valid choices for the card= insmod option:\n", + em28xx_errdev("%s: Here is a list of valid choices for the card= insmod option:\n", dev->name); for (i = 0; i < em28xx_bcount; i++) { - printk("%s: card=%d -> %s\n", - dev->name, i, em28xx_boards[i].name); + em28xx_errdev(" card=%d -> %s\n", i, + em28xx_boards[i].name); } } @@ -1938,15 +1825,12 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) struct em28xx *dev = usb_get_intfdata(interface); usb_set_intfdata(interface, NULL); -/*FIXME: IR should be disconnected */ - if (!dev) return; - down_write(&em28xx_disconnect); - down(&dev->lock); + mutex_lock(&dev->lock); em28xx_info("disconnecting %s\n", dev->vdev->name); @@ -1955,7 +1839,9 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) if (dev->users) { em28xx_warn ("device /dev/video%d is open! Deregistration and memory " - "deallocation are deferred on close.\n", dev->vdev->minor); + "deallocation are deferred on close.\n", + dev->vdev->minor-MINOR_VFL_TYPE_GRABBER_MIN); + dev->state |= DEV_MISCONFIGURED; em28xx_uninit_isoc(dev); dev->state |= DEV_DISCONNECTED; @@ -1966,7 +1852,7 @@ static void em28xx_usb_disconnect(struct usb_interface *interface) em28xx_release_resources(dev); } - up(&dev->lock); + mutex_unlock(&dev->lock); if (!dev->users) { kfree(dev->alt_max_pkt_size);