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path: root/drivers/media/dvb/dvb-usb/dvb-usb-firmware.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-firmware.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dvb-usb-firmware.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-firmware.c b/drivers/media/dvb/dvb-usb/dvb-usb-firmware.c
deleted file mode 100644
index 5244e39770a..00000000000
--- a/drivers/media/dvb/dvb-usb/dvb-usb-firmware.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* dvb-usb-firmware.c is part of the DVB USB library.
- *
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- * see dvb-usb-init.c for copyright information.
- *
- * This file contains functions for downloading the firmware to Cypress FX 1 and 2 based devices.
- *
- * FIXME: This part does actually not belong to dvb-usb, but to the usb-subsystem.
- */
-#include "dvb-usb-common.h"
-
-#include <linux/firmware.h>
-#include <linux/usb.h>
-
-struct usb_cypress_controller {
- int id;
- const char *name; /* name of the usb controller */
- u16 cpu_cs_register; /* needs to be restarted, when the firmware has been downloaded. */
-};
-
-static struct usb_cypress_controller cypress[] = {
- { .id = CYPRESS_AN2135, .name = "Cypress AN2135", .cpu_cs_register = 0x7f92 },
- { .id = CYPRESS_AN2235, .name = "Cypress AN2235", .cpu_cs_register = 0x7f92 },
- { .id = CYPRESS_FX2, .name = "Cypress FX2", .cpu_cs_register = 0xe600 },
-};
-
-/*
- * load a firmware packet to the device
- */
-static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 len)
-{
- return usb_control_msg(udev, usb_sndctrlpipe(udev,0),
- 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5*HZ);
-}
-
-int usb_cypress_load_firmware(struct usb_device *udev, const char *filename, int type)
-{
- const struct firmware *fw = NULL;
- u16 addr;
- u8 *b,*p;
- int ret = 0,i;
-
- if ((ret = request_firmware(&fw, filename, &udev->dev)) != 0) {
- err("did not find the firmware file. (%s) "
- "Please see linux/Documentation/dvb/ for more details on firmware-problems.",
- filename);
- return ret;
- }
-
- info("downloading firmware from file '%s' to the '%s'",filename,cypress[type].name);
-
- p = kmalloc(fw->size,GFP_KERNEL);
- if (p != NULL) {
- u8 reset;
- /*
- * you cannot use the fw->data as buffer for
- * usb_control_msg, a new buffer has to be
- * created
- */
- memcpy(p,fw->data,fw->size);
-
- /* stop the CPU */
- reset = 1;
- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1)
- err("could not stop the USB controller CPU.");
- for(i = 0; p[i+3] == 0 && i < fw->size; ) {
- b = (u8 *) &p[i];
- addr = cpu_to_le16( *((u16 *) &b[1]) );
-
- deb_fw("writing to address 0x%04x (buffer: 0x%02x%02x)\n",addr,b[1],b[2]);
-
- ret = usb_cypress_writemem(udev,addr,&b[4],b[0]);
-
- if (ret != b[0]) {
- err("error while transferring firmware "
- "(transferred size: %d, block size: %d)",
- ret,b[0]);
- ret = -EINVAL;
- break;
- }
- i += 5 + b[0];
- }
- /* length in ret */
- if (ret > 0)
- ret = 0;
- /* restart the CPU */
- reset = 0;
- if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) {
- err("could not restart the USB controller CPU.");
- ret = -EINVAL;
- }
-
- kfree(p);
- } else {
- ret = -ENOMEM;
- }
- release_firmware(fw);
-
- return ret;
-}