diff options
Diffstat (limited to 'drivers/media/rc/redrat3.c')
| -rw-r--r-- | drivers/media/rc/redrat3.c | 186 |
1 files changed, 140 insertions, 46 deletions
diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index af562217a205..33fa1951733c 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -81,6 +81,8 @@ #define RR3_RC_DET_ENABLE 0xbb /* Stop capture with the RC receiver */ #define RR3_RC_DET_DISABLE 0xbc +/* Start capture with the wideband receiver */ +#define RR3_MODSIG_CAPTURE 0xb2 /* Return the status of RC detector capture */ #define RR3_RC_DET_STATUS 0xbd /* Reset redrat */ @@ -105,8 +107,10 @@ #define RR3_CLK_PER_COUNT 12 /* (RR3_CLK / RR3_CLK_PER_COUNT) */ #define RR3_CLK_CONV_FACTOR 2000000 -/* USB bulk-in IR data endpoint address */ -#define RR3_BULK_IN_EP_ADDR 0x82 +/* USB bulk-in wideband IR data endpoint address */ +#define RR3_WIDE_IN_EP_ADDR 0x81 +/* USB bulk-in narrowband IR data endpoint address */ +#define RR3_NARROW_IN_EP_ADDR 0x82 /* Size of the fixed-length portion of the signal */ #define RR3_DRIVER_MAXLENS 128 @@ -207,15 +211,22 @@ struct redrat3_dev { struct urb *flash_urb; u8 flash_in_buf; + /* learning */ + bool wideband; + struct usb_ctrlrequest learn_control; + struct urb *learn_urb; + u8 learn_buf; + /* save off the usb device pointer */ struct usb_device *udev; /* the receive endpoint */ - struct usb_endpoint_descriptor *ep_in; + struct usb_endpoint_descriptor *ep_narrow; /* the buffer to receive data */ void *bulk_in_buf; /* urb used to read ir data */ - struct urb *read_urb; + struct urb *narrow_urb; + struct urb *wide_urb; /* the send endpoint */ struct usb_endpoint_descriptor *ep_out; @@ -236,23 +247,6 @@ struct redrat3_dev { char phys[64]; }; -/* - * redrat3_issue_async - * - * Issues an async read to the ir data in port.. - * sets the callback to be redrat3_handle_async - */ -static void redrat3_issue_async(struct redrat3_dev *rr3) -{ - int res; - - res = usb_submit_urb(rr3->read_urb, GFP_ATOMIC); - if (res) - dev_dbg(rr3->dev, - "%s: receive request FAILED! (res %d, len %d)\n", - __func__, res, rr3->read_urb->transfer_buffer_length); -} - static void redrat3_dump_fw_error(struct redrat3_dev *rr3, int code) { if (!rr3->transmitting && (code != 0x40)) @@ -367,6 +361,14 @@ static void redrat3_process_ir_data(struct redrat3_dev *rr3) mod_freq = redrat3_val_to_mod_freq(&rr3->irdata); dev_dbg(dev, "Got mod_freq of %u\n", mod_freq); + if (mod_freq && rr3->wideband) { + DEFINE_IR_RAW_EVENT(ev); + + ev.carrier_report = 1; + ev.carrier = mod_freq; + + ir_raw_event_store(rr3->rc, &ev); + } /* process each rr3 encoded byte into an int */ sig_size = be16_to_cpu(rr3->irdata.sig_size); @@ -449,19 +451,31 @@ static int redrat3_enable_detector(struct redrat3_dev *rr3) return -EIO; } - redrat3_issue_async(rr3); + ret = usb_submit_urb(rr3->narrow_urb, GFP_KERNEL); + if (ret) { + dev_err(rr3->dev, "narrow band urb failed: %d", ret); + return ret; + } - return 0; + ret = usb_submit_urb(rr3->wide_urb, GFP_KERNEL); + if (ret) + dev_err(rr3->dev, "wide band urb failed: %d", ret); + + return ret; } static inline void redrat3_delete(struct redrat3_dev *rr3, struct usb_device *udev) { - usb_kill_urb(rr3->read_urb); + usb_kill_urb(rr3->narrow_urb); + usb_kill_urb(rr3->wide_urb); usb_kill_urb(rr3->flash_urb); - usb_free_urb(rr3->read_urb); + usb_kill_urb(rr3->learn_urb); + usb_free_urb(rr3->narrow_urb); + usb_free_urb(rr3->wide_urb); usb_free_urb(rr3->flash_urb); - usb_free_coherent(udev, le16_to_cpu(rr3->ep_in->wMaxPacketSize), + usb_free_urb(rr3->learn_urb); + usb_free_coherent(udev, le16_to_cpu(rr3->ep_narrow->wMaxPacketSize), rr3->bulk_in_buf, rr3->dma_in); kfree(rr3); @@ -694,9 +708,19 @@ static void redrat3_handle_async(struct urb *urb) switch (urb->status) { case 0: ret = redrat3_get_ir_data(rr3, urb->actual_length); + if (!ret && rr3->wideband && !rr3->learn_urb->hcpriv) { + ret = usb_submit_urb(rr3->learn_urb, GFP_ATOMIC); + if (ret) + dev_err(rr3->dev, "Failed to submit learning urb: %d", + ret); + } + if (!ret) { /* no error, prepare to read more */ - redrat3_issue_async(rr3); + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) + dev_err(rr3->dev, "Failed to resubmit urb: %d", + ret); } break; @@ -856,6 +880,42 @@ static void redrat3_brightness_set(struct led_classdev *led_dev, enum } } +static int redrat3_wideband_receiver(struct rc_dev *rcdev, int enable) +{ + struct redrat3_dev *rr3 = rcdev->priv; + int ret = 0; + + rr3->wideband = enable != 0; + + if (enable) { + ret = usb_submit_urb(rr3->learn_urb, GFP_KERNEL); + if (ret) + dev_err(rr3->dev, "Failed to submit learning urb: %d", + ret); + } + + return ret; +} + +static void redrat3_learn_complete(struct urb *urb) +{ + struct redrat3_dev *rr3 = urb->context; + + switch (urb->status) { + case 0: + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + usb_unlink_urb(urb); + return; + case -EPIPE: + default: + dev_err(rr3->dev, "Error: learn urb status = %d", urb->status); + break; + } +} + static void redrat3_led_complete(struct urb *urb) { struct redrat3_dev *rr3 = urb->context; @@ -908,6 +968,7 @@ static struct rc_dev *redrat3_init_rc_dev(struct redrat3_dev *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; @@ -933,7 +994,8 @@ static int redrat3_dev_probe(struct usb_interface *intf, 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_narrow = NULL; + struct usb_endpoint_descriptor *ep_wide = NULL; struct usb_endpoint_descriptor *ep_out = NULL; u8 addr, attrs; int pipe, i; @@ -947,15 +1009,16 @@ static int redrat3_dev_probe(struct usb_interface *intf, addr = ep->bEndpointAddress; attrs = ep->bmAttributes; - if ((ep_in == NULL) && - ((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && + if (((addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) && ((attrs & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK)) { dev_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; + /* data comes in on 0x82, 0x81 is for learning */ + if (ep->bEndpointAddress == RR3_NARROW_IN_EP_ADDR) + ep_narrow = ep; + if (ep->bEndpointAddress == RR3_WIDE_IN_EP_ADDR) + ep_wide = ep; } if ((ep_out == NULL) && @@ -968,8 +1031,8 @@ static int redrat3_dev_probe(struct usb_interface *intf, } } - if (!ep_in || !ep_out) { - dev_err(dev, "Couldn't find both in and out endpoints\n"); + if (!ep_narrow || !ep_out || !ep_wide) { + dev_err(dev, "Couldn't find all endpoints\n"); retval = -ENODEV; goto no_endpoints; } @@ -980,25 +1043,38 @@ static int redrat3_dev_probe(struct usb_interface *intf, goto no_endpoints; rr3->dev = &intf->dev; - rr3->ep_in = ep_in; + rr3->ep_narrow = ep_narrow; rr3->ep_out = ep_out; rr3->udev = udev; /* set up bulk-in endpoint */ - rr3->read_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!rr3->read_urb) + rr3->narrow_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rr3->narrow_urb) + goto redrat_free; + + rr3->wide_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rr3->wide_urb) goto redrat_free; rr3->bulk_in_buf = usb_alloc_coherent(udev, - le16_to_cpu(ep_in->wMaxPacketSize), GFP_KERNEL, &rr3->dma_in); + le16_to_cpu(ep_narrow->wMaxPacketSize), + GFP_KERNEL, &rr3->dma_in); if (!rr3->bulk_in_buf) goto redrat_free; - 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->read_urb->transfer_dma = rr3->dma_in; - rr3->read_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + pipe = usb_rcvbulkpipe(udev, ep_narrow->bEndpointAddress); + usb_fill_bulk_urb(rr3->narrow_urb, udev, pipe, rr3->bulk_in_buf, + le16_to_cpu(ep_narrow->wMaxPacketSize), + redrat3_handle_async, rr3); + rr3->narrow_urb->transfer_dma = rr3->dma_in; + rr3->narrow_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + pipe = usb_rcvbulkpipe(udev, ep_wide->bEndpointAddress); + usb_fill_bulk_urb(rr3->wide_urb, udev, pipe, rr3->bulk_in_buf, + le16_to_cpu(ep_narrow->wMaxPacketSize), + redrat3_handle_async, rr3); + rr3->wide_urb->transfer_dma = rr3->dma_in; + rr3->wide_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; redrat3_reset(rr3); redrat3_get_firmware_rev(rr3); @@ -1011,6 +1087,21 @@ static int redrat3_dev_probe(struct usb_interface *intf, if (!rr3->flash_urb) goto redrat_free; + /* learn urb */ + rr3->learn_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!rr3->learn_urb) + goto redrat_free; + + /* setup packet is 'c0 b2 0000 0000 0001' */ + rr3->learn_control.bRequestType = 0xc0; + rr3->learn_control.bRequest = RR3_MODSIG_CAPTURE; + rr3->learn_control.wLength = cpu_to_le16(1); + + usb_fill_control_urb(rr3->learn_urb, udev, usb_rcvctrlpipe(udev, 0), + (unsigned char *)&rr3->learn_control, + &rr3->learn_buf, sizeof(rr3->learn_buf), + redrat3_learn_complete, rr3); + /* setup packet is 'c0 b9 0000 0000 0001' */ rr3->flash_control.bRequestType = 0xc0; rr3->flash_control.bRequest = RR3_BLINK_LED; @@ -1070,7 +1161,8 @@ static int redrat3_dev_suspend(struct usb_interface *intf, pm_message_t message) struct redrat3_dev *rr3 = usb_get_intfdata(intf); led_classdev_suspend(&rr3->led); - usb_kill_urb(rr3->read_urb); + usb_kill_urb(rr3->narrow_urb); + usb_kill_urb(rr3->wide_urb); usb_kill_urb(rr3->flash_urb); return 0; } @@ -1079,7 +1171,9 @@ static int redrat3_dev_resume(struct usb_interface *intf) { struct redrat3_dev *rr3 = usb_get_intfdata(intf); - if (usb_submit_urb(rr3->read_urb, GFP_ATOMIC)) + if (usb_submit_urb(rr3->narrow_urb, GFP_ATOMIC)) + return -EIO; + if (usb_submit_urb(rr3->wide_urb, GFP_ATOMIC)) return -EIO; led_classdev_resume(&rr3->led); return 0; |