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

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>

1 files changed, 10 insertions, 7 deletions

diff --git a/drivers/media/dvb/dvb-usb/opera1.c b/drivers/media/dvb/dvb-usb/opera1.c
index cdb02218ca6a..d7c04951ceab 100644
--- a/drivers/media/dvb/dvb-usb/opera1.c
+++ b/drivers/media/dvb/dvb-usb/opera1.c
@@ -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;
         }