V4L/DVB (3327): Remove DViCO specific firmware hacks from the generic code.

- Move the code that patches bluebird firmware before upload from the
generic code into the cxusb driver itself.

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

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) */