static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
{
struct device *dev = rr3->dev;
struct rc_dev *rc;
int ret = -ENODEV;
u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);
rc = rc_allocate_device();
if (!rc) {
dev_err(dev, "remote input dev allocation failed\n");
goto out;
}
snprintf(rr3->name, sizeof(rr3->name), "RedRat3%s "
"Infrared Remote Transceiver (%04x:%04x)",
prod == USB_RR3IIUSB_PRODUCT_ID ? "-II" : "",
le16_to_cpu(rr3->udev->descriptor.idVendor), prod);
usb_make_path(rr3->udev, rr3->phys, sizeof(rr3->phys));
rc->input_name = rr3->name;
rc->input_phys = rr3->phys;
usb_to_input_id(rr3->udev, &rc->input_id);
rc->dev.parent = dev;
rc->priv = rr3;
rc->driver_type = RC_DRIVER_IR_RAW;
rc->allowed_protos = RC_TYPE_ALL;
rc->min_timeout = MS_TO_NS(RR3_RX_MIN_TIMEOUT);
rc->max_timeout = MS_TO_NS(RR3_RX_MAX_TIMEOUT);
rc->timeout = redrat3_get_timeout(dev, rc, rr3->udev);
rc->tx_ir = redrat3_transmit_ir;
rc->s_tx_carrier = redrat3_set_tx_carrier;
rc->driver_name = DRIVER_NAME;
rc->map_name = RC_MAP_HAUPPAUGE;
ret = rc_register_device(rc);
if (ret < 0) {
dev_err(dev, "remote dev registration failed\n");
goto out;
}
return rc;
out:
rc_free_device(rc);
return NULL;
}
static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *rr3)
{
struct device *dev = rr3->dev;
struct rc_dev *rc;
int ret;
u16 prod = le16_to_cpu(rr3->udev->descriptor.idProduct);
rc = rc_allocate_device(RC_DRIVER_IR_RAW);
if (!rc)
return NULL;
snprintf(rr3->name, sizeof(rr3->name),
"RedRat3%s Infrared Remote Transceiver",
prod == USB_RR3IIUSB_PRODUCT_ID ? "-II" : "");
usb_make_path(rr3->udev, rr3->phys, sizeof(rr3->phys));
rc->device_name = rr3->name;
rc->input_phys = rr3->phys;
usb_to_input_id(rr3->udev, &rc->input_id);
rc->dev.parent = dev;
rc->priv = rr3;
rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
rc->min_timeout = MS_TO_NS(RR3_RX_MIN_TIMEOUT);
rc->max_timeout = MS_TO_NS(RR3_RX_MAX_TIMEOUT);
rc->timeout = US_TO_NS(redrat3_get_timeout(rr3));
rc->s_timeout = redrat3_set_timeout;
rc->tx_ir = redrat3_transmit_ir;
rc->s_tx_carrier = redrat3_set_tx_carrier;
rc->s_carrier_report = redrat3_wideband_receiver;
rc->driver_name = DRIVER_NAME;
rc->rx_resolution = US_TO_NS(2);
rc->map_name = RC_MAP_HAUPPAUGE;
ret = rc_register_device(rc);
if (ret < 0) {
dev_err(dev, "remote dev registration failed\n");
goto out;
}
return rc;
out:
rc_free_device(rc);
return NULL;
}
static int __devinit redrat3_dev_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct device *dev = &intf->dev;
struct usb_host_interface *uhi;
struct redrat3_dev *rr3;
struct usb_endpoint_descriptor *ep;
struct usb_endpoint_descriptor *ep_in = NULL;
struct usb_endpoint_descriptor *ep_out = NULL;
u8 addr, attrs;
int pipe, i;
int retval = -ENOMEM;
rr3_ftr(dev, "%s called\n", __func__);
uhi = intf->cur_altsetting;
/* */
for (i = 0; i < uhi->desc.bNumEndpoints; ++i) {
ep = &uhi->endpoint[i].desc;
addr = ep->bEndpointAddress;
attrs = ep->bmAttributes;
if ((ep_in == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-in endpoint at 0x%02x\n",
ep->bEndpointAddress);
/* */
if (ep->bEndpointAddress == RR3_BULK_IN_EP_ADDR)
ep_in = ep;
}
if ((ep_out == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-out endpoint at 0x%02x\n",
ep->bEndpointAddress);
ep_out = ep;
}
}
if (!ep_in || !ep_out) {
dev_err(dev, "Couldn't find both in and out endpoints\n");
retval = -ENODEV;
goto no_endpoints;
}
/* */
rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
if (rr3 == NULL) {
dev_err(dev, "Memory allocation failure\n");
goto no_endpoints;
}
rr3->dev = &intf->dev;
/* */
rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->read_urb) {
dev_err(dev, "Read urb allocation failure\n");
goto error;
}
rr3->ep_in = ep_in;
rr3->bulk_in_buf = usb_alloc_coherent(udev, ep_in->wMaxPacketSize,
GFP_ATOMIC, &rr3->dma_in);
if (!rr3->bulk_in_buf) {
dev_err(dev, "Read buffer allocation failure\n");
goto error;
}
pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
usb_fill_bulk_urb(rr3->read_urb, udev, pipe,
rr3->bulk_in_buf, ep_in->wMaxPacketSize,
(usb_complete_t)redrat3_handle_async, rr3);
/* */
rr3->write_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->write_urb) {
dev_err(dev, "Write urb allocation failure\n");
goto error;
}
rr3->ep_out = ep_out;
rr3->bulk_out_buf = usb_alloc_coherent(udev, ep_out->wMaxPacketSize,
GFP_ATOMIC, &rr3->dma_out);
if (!rr3->bulk_out_buf) {
dev_err(dev, "Write buffer allocation failure\n");
goto error;
}
pipe = usb_sndbulkpipe(udev, ep_out->bEndpointAddress);
usb_fill_bulk_urb(rr3->write_urb, udev, pipe,
rr3->bulk_out_buf, ep_out->wMaxPacketSize,
(usb_complete_t)redrat3_write_bulk_callback, rr3);
mutex_init(&rr3->lock);
rr3->udev = udev;
redrat3_reset(rr3);
redrat3_get_firmware_rev(rr3);
/* */
retval = redrat3_enable_detector(rr3);
if (retval < 0)
goto error;
/* */
rr3->hw_timeout = redrat3_get_timeout(rr3);
/* */
rr3->carrier = 38000;
rr3->rc = redrat3_init_rc_dev(rr3);
if (!rr3->rc)
goto error;
setup_timer(&rr3->rx_timeout, redrat3_rx_timeout, (unsigned long)rr3);
/* */
usb_set_intfdata(intf, rr3);
rr3_ftr(dev, "Exiting %s\n", __func__);
return 0;
error:
redrat3_delete(rr3, rr3->udev);
no_endpoints:
dev_err(dev, "%s: retval = %x", __func__, retval);
return retval;
}
static int redrat3_dev_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct device *dev = &intf->dev;
struct usb_host_interface *uhi;
struct redrat3_dev *rr3;
struct usb_endpoint_descriptor *ep;
struct usb_endpoint_descriptor *ep_in = NULL;
struct usb_endpoint_descriptor *ep_out = NULL;
u8 addr, attrs;
int pipe, i;
int retval = -ENOMEM;
rr3_ftr(dev, "%s called\n", __func__);
uhi = intf->cur_altsetting;
/* find our bulk-in and bulk-out endpoints */
for (i = 0; i < uhi->desc.bNumEndpoints; ++i) {
ep = &uhi->endpoint[i].desc;
addr = ep->bEndpointAddress;
attrs = ep->bmAttributes;
if ((ep_in == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-in endpoint at 0x%02x\n",
ep->bEndpointAddress);
/* data comes in on 0x82, 0x81 is for other data... */
if (ep->bEndpointAddress == RR3_BULK_IN_EP_ADDR)
ep_in = ep;
}
if ((ep_out == NULL) &&
((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) &&
((attrs & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK)) {
rr3_dbg(dev, "found bulk-out endpoint at 0x%02x\n",
ep->bEndpointAddress);
ep_out = ep;
}
}
if (!ep_in || !ep_out) {
dev_err(dev, "Couldn't find both in and out endpoints\n");
retval = -ENODEV;
goto no_endpoints;
}
/* allocate memory for our device state and initialize it */
rr3 = kzalloc(sizeof(*rr3), GFP_KERNEL);
if (rr3 == NULL) {
dev_err(dev, "Memory allocation failure\n");
goto no_endpoints;
}
rr3->dev = &intf->dev;
/* set up bulk-in endpoint */
rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->read_urb) {
dev_err(dev, "Read urb allocation failure\n");
goto error;
}
rr3->ep_in = ep_in;
rr3->bulk_in_buf = usb_alloc_coherent(udev,
le16_to_cpu(ep_in->wMaxPacketSize), GFP_ATOMIC, &rr3->dma_in);
if (!rr3->bulk_in_buf) {
dev_err(dev, "Read buffer allocation failure\n");
goto error;
}
pipe = usb_rcvbulkpipe(udev, ep_in->bEndpointAddress);
usb_fill_bulk_urb(rr3->read_urb, udev, pipe, rr3->bulk_in_buf,
le16_to_cpu(ep_in->wMaxPacketSize), redrat3_handle_async, rr3);
rr3->ep_out = ep_out;
rr3->udev = udev;
redrat3_reset(rr3);
redrat3_get_firmware_rev(rr3);
/* might be all we need to do? */
retval = redrat3_enable_detector(rr3);
if (retval < 0)
goto error;
/* store current hardware timeout, in us, will use for kfifo resets */
rr3->hw_timeout = redrat3_get_timeout(rr3);
/* default.. will get overridden by any sends with a freq defined */
rr3->carrier = 38000;
/* led control */
rr3->led.name = "redrat3:red:feedback";
rr3->led.default_trigger = "rc-feedback";
rr3->led.brightness_set = redrat3_brightness_set;
retval = led_classdev_register(&intf->dev, &rr3->led);
if (retval)
goto error;
atomic_set(&rr3->flash, 0);
rr3->flash_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!rr3->flash_urb) {
retval = -ENOMEM;
goto led_free_error;
}
/* setup packet is 'c0 b9 0000 0000 0001' */
rr3->flash_control.bRequestType = 0xc0;
rr3->flash_control.bRequest = RR3_BLINK_LED;
rr3->flash_control.wLength = cpu_to_le16(1);
usb_fill_control_urb(rr3->flash_urb, udev, usb_rcvctrlpipe(udev, 0),
(unsigned char *)&rr3->flash_control,
&rr3->flash_in_buf, sizeof(rr3->flash_in_buf),
redrat3_led_complete, rr3);
rr3->rc = redrat3_init_rc_dev(rr3);
if (!rr3->rc) {
retval = -ENOMEM;
goto led_free_error;
}
setup_timer(&rr3->rx_timeout, redrat3_rx_timeout, (unsigned long)rr3);
/* we can register the device now, as it is ready */
usb_set_intfdata(intf, rr3);
rr3_ftr(dev, "Exiting %s\n", __func__);
return 0;
led_free_error:
led_classdev_unregister(&rr3->led);
error:
redrat3_delete(rr3, rr3->udev);
no_endpoints:
dev_err(dev, "%s: retval = %x", __func__, retval);
return retval;
}
