MODULE_LICENSE("GPL");
static LIST_HEAD(em28xx_devlist);
+static DEFINE_MUTEX(em28xx_devlist_mutex);
static unsigned int card[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
static unsigned int video_nr[] = {[0 ... (EM28XX_MAXBOARDS - 1)] = UNSET };
int retval;
/* Sets I2C speed to 100 KHz */
- if (!dev->is_em2800) {
- retval = em28xx_write_regs_req(dev, 0x00, 0x06, "\x40", 1);
+ if (!dev->board.is_em2800) {
+ retval = em28xx_write_reg(dev, EM28XX_R06_I2C_CLK, 0x40);
if (retval < 0) {
em28xx_errdev("%s: em28xx_write_regs_req failed! retval [%d]\n",
__func__, retval);
/* 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_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */
+/* em28xx_write_reg(dev, EM28XX_R0F_XCLK, 0x80); clk register */
+ em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51);
dev->mute = 1; /* maybe not the right place... */
dev->volume = 0x1f;
static void em28xx_config_i2c(struct em28xx *dev)
{
struct v4l2_routing route;
+ int zero = 0;
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_RESET, &zero);
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL);
}
route.output = 0;
dev->ctl_input = index;
dev->ctl_ainput = INPUT(index)->amux;
+ dev->ctl_aoutput = INPUT(index)->aout;
+
+ if (!dev->ctl_aoutput)
+ dev->ctl_aoutput = EM28XX_AOUT_MASTER;
em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route);
- if (dev->has_msp34xx) {
+ if (dev->board.has_msp34xx) {
if (dev->i2s_speed) {
em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ,
&dev->i2s_speed);
mutex_lock(&dev->lock);
- if (dev->is_em2800) {
+ if (dev->board.is_em2800) {
/* the em2800 can only scale down to 50% */
if (height % (maxh / 2))
height = maxh;
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- unsigned int index = a->index;
-
- if (a->index > 1)
- return -EINVAL;
- index = dev->ctl_ainput;
-
- if (index == 0)
+ switch (a->index) {
+ case EM28XX_AMUX_VIDEO:
strcpy(a->name, "Television");
- else
+ break;
+ case EM28XX_AMUX_LINE_IN:
strcpy(a->name, "Line In");
+ break;
+ case EM28XX_AMUX_VIDEO2:
+ strcpy(a->name, "Television alt");
+ break;
+ case EM28XX_AMUX_PHONE:
+ strcpy(a->name, "Phone");
+ break;
+ case EM28XX_AMUX_MIC:
+ strcpy(a->name, "Mic");
+ break;
+ case EM28XX_AMUX_CD:
+ strcpy(a->name, "CD");
+ break;
+ case EM28XX_AMUX_AUX:
+ strcpy(a->name, "Aux");
+ break;
+ case EM28XX_AMUX_PCM_OUT:
+ strcpy(a->name, "PCM");
+ break;
+ default:
+ return -EINVAL;
+ }
+ a->index = dev->ctl_ainput;
a->capability = V4L2_AUDCAP_STEREO;
- a->index = index;
return 0;
}
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- if (a->index != dev->ctl_ainput)
- return -EINVAL;
+ dev->ctl_ainput = INPUT(a->index)->amux;
+ dev->ctl_aoutput = INPUT(a->index)->aout;
+ if (!dev->ctl_aoutput)
+ dev->ctl_aoutput = EM28XX_AOUT_MASTER;
return 0;
}
qc->id = id;
- if (!dev->has_msp34xx) {
+ if (!dev->board.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 rc;
mutex_lock(&dev->lock);
- if (!dev->has_msp34xx)
+ if (!dev->board.has_msp34xx)
rc = em28xx_get_ctrl(dev, ctrl);
else
rc = -EINVAL;
mutex_lock(&dev->lock);
- if (dev->has_msp34xx)
+ if (dev->board.has_msp34xx)
em28xx_i2c_call_clients(dev, VIDIOC_S_CTRL, ctrl);
else {
rc = 1;
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));
+ strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
cap->version = EM28XX_VERSION_CODE;
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));
+ strlcpy(cap->bus_info, dev_name(&dev->udev->dev), sizeof(cap->bus_info));
cap->version = EM28XX_VERSION_CODE;
cap->capabilities = V4L2_CAP_TUNER;
struct em28xx_fh *fh;
enum v4l2_buf_type fh_type = 0;
- lock_kernel();
+ mutex_lock(&em28xx_devlist_mutex);
list_for_each_entry(h, &em28xx_devlist, devlist) {
if (h->vdev->minor == minor) {
dev = h;
dev = h;
}
}
- if (NULL == dev) {
- unlock_kernel();
+ mutex_unlock(&em28xx_devlist_mutex);
+ if (NULL == dev)
return -ENODEV;
- }
+
+ mutex_lock(&dev->lock);
em28xx_videodbg("open minor=%d type=%s users=%d\n",
minor, v4l2_type_names[fh_type], dev->users);
fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL);
if (!fh) {
em28xx_errdev("em28xx-video.c: Out of memory?!\n");
- unlock_kernel();
+ mutex_unlock(&dev->lock);
return -ENOMEM;
}
- mutex_lock(&dev->lock);
fh->dev = dev;
fh->radio = radio;
fh->type = fh_type;
sizeof(struct em28xx_buffer), fh);
mutex_unlock(&dev->lock);
- unlock_kernel();
return errCode;
}
/*FIXME: I2C IR should be disconnected */
- em28xx_info("V4L2 devices /dev/video%d and /dev/vbi%d deregistered\n",
- dev->vdev->num, dev->vbi_dev->num);
list_del(&dev->devlist);
if (dev->sbutton_input_dev)
em28xx_deregister_snapshot_button(dev);
+
+ if (dev->ir)
+ em28xx_ir_fini(dev);
+
if (dev->radio_dev) {
if (-1 != dev->radio_dev->minor)
video_unregister_device(dev->radio_dev);
dev->radio_dev = NULL;
}
if (dev->vbi_dev) {
+ em28xx_info("V4L2 device /dev/vbi%d deregistered\n",
+ dev->vbi_dev->num);
if (-1 != dev->vbi_dev->minor)
video_unregister_device(dev->vbi_dev);
else
dev->vbi_dev = NULL;
}
if (dev->vdev) {
+ em28xx_info("V4L2 device /dev/video%d deregistered\n",
+ dev->vdev->num);
if (-1 != dev->vdev->minor)
video_unregister_device(dev->vdev);
else
{
struct em28xx *dev = NULL;
+ mutex_lock(&em28xx_devlist_mutex);
mutex_lock(&em28xx_extension_devlist_lock);
list_add_tail(&ops->next, &em28xx_extension_devlist);
list_for_each_entry(dev, &em28xx_devlist, devlist) {
}
printk(KERN_INFO "Em28xx: Initialized (%s) extension\n", ops->name);
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
return 0;
}
EXPORT_SYMBOL(em28xx_register_extension);
{
struct em28xx *dev = NULL;
+ mutex_lock(&em28xx_devlist_mutex);
list_for_each_entry(dev, &em28xx_devlist, devlist) {
if (dev)
ops->fini(dev);
printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
list_del(&ops->next);
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
}
EXPORT_SYMBOL(em28xx_unregister_extension);
return vfd;
}
+static int register_analog_devices(struct em28xx *dev)
+{
+ int ret;
+
+ /* allocate and fill video video_device struct */
+ dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video");
+ if (!dev->vdev) {
+ em28xx_errdev("cannot allocate video_device.\n");
+ return -ENODEV;
+ }
+
+ /* register v4l2 video video_device */
+ ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
+ video_nr[dev->devno]);
+ if (ret) {
+ em28xx_errdev("unable to register video device (error=%i).\n",
+ ret);
+ return ret;
+ }
+
+ /* Allocate and fill vbi video_device struct */
+ dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi");
+
+ /* register v4l2 vbi video_device */
+ ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
+ vbi_nr[dev->devno]);
+ if (ret < 0) {
+ em28xx_errdev("unable to register vbi device\n");
+ return ret;
+ }
+
+ if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
+ dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
+ if (!dev->radio_dev) {
+ em28xx_errdev("cannot allocate video_device.\n");
+ return -ENODEV;
+ }
+ ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
+ radio_nr[dev->devno]);
+ if (ret < 0) {
+ em28xx_errdev("can't register radio device\n");
+ return ret;
+ }
+ em28xx_info("Registered radio device as /dev/radio%d\n",
+ dev->radio_dev->num);
+ }
+
+ em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
+ dev->vdev->num, dev->vbi_dev->num);
+
+ return 0;
+}
+
/*
* em28xx_init_dev()
dev->udev = udev;
mutex_init(&dev->lock);
+ mutex_init(&dev->ctrl_urb_lock);
spin_lock_init(&dev->slock);
init_waitqueue_head(&dev->open);
init_waitqueue_head(&dev->wait_frame);
dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len;
dev->em28xx_write_regs_req = em28xx_write_regs_req;
dev->em28xx_read_reg_req = em28xx_read_reg_req;
- dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
+ dev->board.is_em2800 = em28xx_boards[dev->model].is_em2800;
em28xx_pre_card_setup(dev);
errCode = em28xx_config(dev);
if (errCode) {
em28xx_errdev("error configuring device\n");
- em28xx_devused &= ~(1<<dev->devno);
- kfree(dev);
return -ENOMEM;
}
em28xx_card_setup(dev);
/* Configure audio */
- errCode = em28xx_audio_analog_set(dev);
+ errCode = em28xx_audio_setup(dev);
if (errCode < 0) {
- em28xx_errdev("%s: em28xx_audio_analog_set - errCode [%d]!\n",
+ em28xx_errdev("%s: Error while setting audio - errCode [%d]!\n",
__func__, errCode);
- return errCode;
}
/* configure the device */
return errCode;
}
- list_add_tail(&dev->devlist, &em28xx_devlist);
-
- /* allocate and fill video video_device struct */
- dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video");
- if (NULL == dev->vdev) {
- em28xx_errdev("cannot allocate video_device.\n");
- goto fail_unreg;
- }
-
- /* register v4l2 video video_device */
- retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
- video_nr[dev->devno]);
- if (retval) {
- em28xx_errdev("unable to register video device (error=%i).\n",
- retval);
- goto fail_unreg;
- }
-
- /* Allocate and fill vbi video_device struct */
- dev->vbi_dev = em28xx_vdev_init(dev, &em28xx_video_template, "vbi");
- /* register v4l2 vbi video_device */
- if (video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
- vbi_nr[dev->devno]) < 0) {
- em28xx_errdev("unable to register vbi device\n");
- retval = -ENODEV;
- goto fail_unreg;
- }
-
- if (em28xx_boards[dev->model].radio.type == EM28XX_RADIO) {
- dev->radio_dev = em28xx_vdev_init(dev, &em28xx_radio_template, "radio");
- if (NULL == dev->radio_dev) {
- em28xx_errdev("cannot allocate video_device.\n");
- goto fail_unreg;
- }
- retval = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
- radio_nr[dev->devno]);
- if (retval < 0) {
- em28xx_errdev("can't register radio device\n");
- goto fail_unreg;
- }
- em28xx_info("Registered radio device as /dev/radio%d\n",
- dev->radio_dev->num);
- }
-
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
INIT_LIST_HEAD(&dev->vidq.queued);
- if (dev->has_msp34xx) {
+ if (dev->board.has_msp34xx) {
/* Send a reset to other chips via gpio */
- errCode = em28xx_write_regs_req(dev, 0x00, 0x08, "\xf7", 1);
+ errCode = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xf7);
if (errCode < 0) {
em28xx_errdev("%s: em28xx_write_regs_req - msp34xx(1) failed! errCode [%d]\n",
__func__, errCode);
}
msleep(3);
- errCode = em28xx_write_regs_req(dev, 0x00, 0x08, "\xff", 1);
+ errCode = em28xx_write_reg(dev, EM28XX_R08_GPIO, 0xff);
if (errCode < 0) {
em28xx_errdev("%s: em28xx_write_regs_req - msp34xx(2) failed! errCode [%d]\n",
__func__, errCode);
video_mux(dev, 0);
- em28xx_info("V4L2 device registered as /dev/video%d and /dev/vbi%d\n",
- dev->vdev->num, dev->vbi_dev->num);
+ mutex_lock(&em28xx_devlist_mutex);
+ list_add_tail(&dev->devlist, &em28xx_devlist);
+ retval = register_analog_devices(dev);
+ if (retval < 0) {
+ em28xx_release_resources(dev);
+ mutex_unlock(&em28xx_devlist_mutex);
+ goto fail_reg_devices;
+ }
mutex_lock(&em28xx_extension_devlist_lock);
if (!list_empty(&em28xx_extension_devlist)) {
}
}
mutex_unlock(&em28xx_extension_devlist_lock);
+ mutex_unlock(&em28xx_devlist_mutex);
return 0;
-fail_unreg:
- em28xx_release_resources(dev);
+fail_reg_devices:
mutex_unlock(&dev->lock);
- kfree(dev);
return retval;
}
if (dev->has_audio_class)
request_module("snd-usb-audio");
- else
+ else if (dev->has_alsa_audio)
request_module("em28xx-alsa");
- if (dev->has_dvb)
+ if (dev->board.has_dvb)
request_module("em28xx-dvb");
}
struct usb_interface *uif;
struct em28xx *dev = NULL;
int retval = -ENODEV;
- int i, nr, ifnum;
+ int i, nr, ifnum, isoc_pipe;
udev = usb_get_dev(interface_to_usbdev(interface));
ifnum = interface->altsetting[0].desc.bInterfaceNumber;
return -ENODEV;
}
+ endpoint = &interface->cur_altsetting->endpoint[0].desc;
+
+ /* check if the device has the iso in endpoint at the correct place */
+ if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_ISOC &&
+ (interface->altsetting[1].endpoint[0].desc.wMaxPacketSize == 940))
+ {
+ /* It's a newer em2874/em2875 device */
+ isoc_pipe = 0;
+ } else {
+ int check_interface = 1;
+ isoc_pipe = 1;
+ endpoint = &interface->cur_altsetting->endpoint[1].desc;
+ if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
+ USB_ENDPOINT_XFER_ISOC)
+ check_interface = 0;
+
+ if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT)
+ check_interface = 0;
+
+ if (!check_interface) {
+ em28xx_err(DRIVER_NAME " video device (%04x:%04x): "
+ "interface %i, class %i found.\n",
+ udev->descriptor.idVendor,
+ udev->descriptor.idProduct,
+ ifnum,
+ interface->altsetting[0].desc.bInterfaceClass);
+
+ em28xx_err(DRIVER_NAME " This is an anciliary "
+ "interface not used by the driver\n");
+
+ em28xx_devused &= ~(1<<nr);
+ return -ENODEV;
+ }
+
+ }
+
em28xx_err(DRIVER_NAME " new video device (%04x:%04x): interface %i, class %i\n",
udev->descriptor.idVendor,
udev->descriptor.idProduct,
ifnum,
interface->altsetting[0].desc.bInterfaceClass);
- endpoint = &interface->cur_altsetting->endpoint[1].desc;
-
- /* check if the device has the iso in endpoint at the correct place */
- if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) !=
- USB_ENDPOINT_XFER_ISOC) {
- em28xx_err(DRIVER_NAME " probing error: endpoint is non-ISO endpoint!\n");
- em28xx_devused &= ~(1<<nr);
- return -ENODEV;
- }
- if ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
- em28xx_err(DRIVER_NAME " probing error: endpoint is ISO OUT endpoint!\n");
- em28xx_devused &= ~(1<<nr);
- return -ENODEV;
- }
-
if (nr >= EM28XX_MAXBOARDS) {
printk(DRIVER_NAME ": Supports only %i em28xx boards.\n",
EM28XX_MAXBOARDS);
}
}
- printk(KERN_INFO DRIVER_NAME " %s usb audio class\n",
- dev->has_audio_class ? "Has" : "Doesn't have");
-
/* compute alternate max packet sizes */
uif = udev->actconfig->interface[0];
dev->num_alt = uif->num_altsetting;
- em28xx_info("Alternate settings: %i\n", dev->num_alt);
+ em28xx_videodbg("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);
}
for (i = 0; i < dev->num_alt ; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
+ u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.
wMaxPacketSize);
dev->alt_max_pkt_size[i] =
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
- em28xx_info("Alternate setting %i, max size= %i\n", i,
+ em28xx_videodbg("Alternate setting %i, max size= %i\n", i,
dev->alt_max_pkt_size[i]);
}
/* allocate device struct */
retval = em28xx_init_dev(&dev, udev, nr);
- if (retval)
- return retval;
+ if (retval) {
+ em28xx_devused &= ~(1<<dev->devno);
+ kfree(dev);
- em28xx_info("Found %s\n", em28xx_boards[dev->model].name);
+ return retval;
+ }
/* save our data pointer in this interface device */
usb_set_intfdata(interface, dev);
projects / ~andy / linux / blobdiff