diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/cxusb.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/cxusb.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 3100ce91ccdb..9d69f8225375 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -11,8 +11,7 @@ * design, so it can be reused for the "analogue-only" device (if it will * appear at all). * - * TODO: check if the cx25840-driver (from ivtv) can be used for the analogue - * part + * Use the cx25840-driver for the analogue part * * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de) * Copyright (C) 2005 Michael Krufky (mkrufky@m1k.net) @@ -343,6 +342,30 @@ static int cxusb_dee1601_frontend_attach(struct dvb_usb_device *d) return -EIO; } +/* + * DViCO bluebird firmware needs the "warm" product ID to be patched into the + * firmware file before download. + */ + +#define BLUEBIRD_01_ID_OFFSET 6638 +static int bluebird_patch_dvico_firmware_download(struct usb_device *udev, const struct firmware *fw) +{ + if (fw->size < BLUEBIRD_01_ID_OFFSET + 4) + return -EINVAL; + + if (fw->data[BLUEBIRD_01_ID_OFFSET] == (USB_VID_DVICO & 0xff) && + fw->data[BLUEBIRD_01_ID_OFFSET + 1] == USB_VID_DVICO >> 8) { + + /* FIXME: are we allowed to change the fw-data ? */ + fw->data[BLUEBIRD_01_ID_OFFSET + 2] = udev->descriptor.idProduct + 1; + fw->data[BLUEBIRD_01_ID_OFFSET + 3] = udev->descriptor.idProduct >> 8; + + return usb_cypress_load_firmware(udev,fw,CYPRESS_FX2); + } + + return -EINVAL; +} + /* DVB USB Driver stuff */ static struct dvb_usb_properties cxusb_medion_properties; static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties; @@ -409,8 +432,9 @@ static struct dvb_usb_properties cxusb_medion_properties = { static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, - .usb_ctrl = CYPRESS_FX2, - .firmware = "dvb-usb-bluebird-01.fw", + .usb_ctrl = DEVICE_SPECIFIC, + .firmware = "dvb-usb-bluebird-01.fw", + .download_firmware = bluebird_patch_dvico_firmware_download, /* use usb alt setting 0 for EP4 transfer (dvb-t), use usb alt setting 7 for EP2 transfer (atsc) */ @@ -448,8 +472,9 @@ static struct dvb_usb_properties cxusb_bluebird_lgh064f_properties = { static struct dvb_usb_properties cxusb_bluebird_dee1601_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, - .usb_ctrl = CYPRESS_FX2, - .firmware = "dvb-usb-bluebird-01.fw", + .usb_ctrl = DEVICE_SPECIFIC, + .firmware = "dvb-usb-bluebird-01.fw", + .download_firmware = bluebird_patch_dvico_firmware_download, /* use usb alt setting 0 for EP4 transfer (dvb-t), use usb alt setting 7 for EP2 transfer (atsc) */ |