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V4L/DVB (5829): Firmware extract and loading for opera dvb-usb update

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Better way of creating and loading the firmware used.
Update for get_dvb_firmware script to extract the files for opera usb-box
Help file for creating the firmware added

Signed-off-by: Marco Gittler <g.marco@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Marco Gittler
2007-07-04 19:18:34 -03:00
committed by Mauro Carvalho Chehab
parent b31c33bd8b
commit 59800555f7
3 changed files with 97 additions and 8 deletions
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drivers/media/dvb/dvb-usb/opera1.c
+10 -7
View File
@@ -435,9 +435,9 @@ static int opera1_xilinx_load_firmware(struct usb_device *dev,
{
const struct firmware *fw = NULL;
u8 *b, *p;
int ret = 0, i;
int ret = 0, i,fpgasize=40;
u8 testval;
info("start downloading fpga firmware");
info("start downloading fpga firmware %s",filename);
if ((ret = request_firmware(&fw, filename, &dev->dev)) != 0) {
err("did not find the firmware file. (%s) "
@@ -454,17 +454,20 @@ static int opera1_xilinx_load_firmware(struct usb_device *dev,
/* clear fpga ? */
opera1_xilinx_rw(dev, 0xbc, 0xaa, &fpga_command, 1,
OPERA_WRITE_MSG);
for (i = 0; p[i] != 0 && i < fw->size;) {
for (i = 0; i < fw->size;) {
if ( (fw->size - i) <fpgasize){
fpgasize=fw->size-i;
}
b = (u8 *) p + i;
if (opera1_xilinx_rw
(dev, OPERA_WRITE_FX2, 0x0, b + 1, b[0],
OPERA_WRITE_MSG) != b[0]
(dev, OPERA_WRITE_FX2, 0x0, b , fpgasize,
OPERA_WRITE_MSG) != fpgasize
) {
err("error while transferring firmware");
ret = -EINVAL;
break;
}
i = i + 1 + b[0];
i = i + fpgasize;
}
/* restart the CPU */
if (ret || opera1_xilinx_rw
@@ -538,7 +541,7 @@ static int opera1_probe(struct usb_interface *intf,
if (udev->descriptor.idProduct == USB_PID_OPERA1_WARM &&
udev->descriptor.idVendor == USB_VID_OPERA1 &&
opera1_xilinx_load_firmware(udev, "dvb-usb-opera1-fpga.fw") != 0
opera1_xilinx_load_firmware(udev, "dvb-usb-opera1-fpga-01.fw") != 0
) {
return -EINVAL;
}