diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dvb-usb-firmware.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dvb-usb-firmware.c | 100 |
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; -} |
