diff options
Diffstat (limited to 'package/rt2x00/src/rt2x00firmware.c')
| -rw-r--r-- | package/rt2x00/src/rt2x00firmware.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/package/rt2x00/src/rt2x00firmware.c b/package/rt2x00/src/rt2x00firmware.c deleted file mode 100644 index 236025f8b9..0000000000 --- a/package/rt2x00/src/rt2x00firmware.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - Copyright (C) 2004 - 2007 rt2x00 SourceForge Project - <http://rt2x00.serialmonkey.com> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the - Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* - Module: rt2x00lib - Abstract: rt2x00 firmware loading routines. - */ - -/* - * Set enviroment defines for rt2x00.h - */ -#define DRV_NAME "rt2x00lib" - -#include <linux/crc-itu-t.h> -#include <linux/kernel.h> -#include <linux/module.h> - -#include "rt2x00.h" -#include "rt2x00lib.h" - -static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev) -{ - struct device *device = wiphy_dev(rt2x00dev->hw->wiphy); - const struct firmware *fw; - char *fw_name; - int retval; - u16 crc; - u16 tmp; - - /* - * Read correct firmware from harddisk. - */ - fw_name = rt2x00dev->ops->lib->get_firmware_name(rt2x00dev); - if (!fw_name) { - ERROR(rt2x00dev, - "Invalid firmware filename.\n" - "Please file bug report to %s.\n", DRV_PROJECT); - return -EINVAL; - } - - INFO(rt2x00dev, "Loading firmware file '%s'.\n", fw_name); - - retval = request_firmware(&fw, fw_name, device); - if (retval) { - ERROR(rt2x00dev, "Failed to request Firmware.\n"); - return retval; - } - - if (!fw || !fw->size || !fw->data) { - ERROR(rt2x00dev, "Failed to read Firmware.\n"); - return -ENOENT; - } - - /* - * Validate the firmware using 16 bit CRC. - * The last 2 bytes of the firmware are the CRC - * so substract those 2 bytes from the CRC checksum, - * and set those 2 bytes to 0 when calculating CRC. - */ - tmp = 0; - crc = crc_itu_t(0, fw->data, fw->size - 2); - crc = crc_itu_t(crc, (u8 *)&tmp, 2); - - if (crc != (fw->data[fw->size - 2] << 8 | fw->data[fw->size - 1])) { - ERROR(rt2x00dev, "Firmware CRC error.\n"); - retval = -ENOENT; - goto exit; - } - - INFO(rt2x00dev, "Firmware detected - version: %d.%d.\n", - fw->data[fw->size - 4], fw->data[fw->size - 3]); - - rt2x00dev->fw = fw; - - return 0; - -exit: - release_firmware(fw); - - return retval; -} - -int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev) -{ - int retval; - - if (!rt2x00dev->fw) { - retval = rt2x00lib_request_firmware(rt2x00dev); - if (retval) - return retval; - } - - /* - * Send firmware to the device. - */ - retval = rt2x00dev->ops->lib->load_firmware(rt2x00dev, - rt2x00dev->fw->data, - rt2x00dev->fw->size); - return retval; -} - -void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev) -{ - release_firmware(rt2x00dev->fw); - rt2x00dev->fw = NULL; -} - |