2 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
3 Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
4 <http://rt2x00.serialmonkey.com>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the
18 Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 Abstract: rt2x00 firmware loading routines.
27 #include <linux/kernel.h>
28 #include <linux/module.h>
31 #include "rt2x00lib.h"
33 static int rt2x00lib_request_firmware(struct rt2x00_dev *rt2x00dev)
35 struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
36 const struct firmware *fw;
41 * Read correct firmware from harddisk.
43 fw_name = rt2x00dev->ops->lib->get_firmware_name(rt2x00dev);
46 "Invalid firmware filename.\n"
47 "Please file bug report to %s.\n", DRV_PROJECT);
51 INFO(rt2x00dev, "Loading firmware file '%s'.\n", fw_name);
53 retval = request_firmware(&fw, fw_name, device);
55 ERROR(rt2x00dev, "Failed to request Firmware.\n");
59 if (!fw || !fw->size || !fw->data) {
60 ERROR(rt2x00dev, "Failed to read Firmware.\n");
65 INFO(rt2x00dev, "Firmware detected - version: %d.%d.\n",
66 fw->data[fw->size - 4], fw->data[fw->size - 3]);
67 snprintf(rt2x00dev->hw->wiphy->fw_version,
68 sizeof(rt2x00dev->hw->wiphy->fw_version), "%d.%d",
69 fw->data[fw->size - 4], fw->data[fw->size - 3]);
71 retval = rt2x00dev->ops->lib->check_firmware(rt2x00dev, fw->data, fw->size);
76 ERROR(rt2x00dev, "Firmware checksum error.\n");
80 "Invalid firmware file length (len=%zu)\n", fw->size);
84 "Current firmware does not support detected chipset.\n");
98 int rt2x00lib_load_firmware(struct rt2x00_dev *rt2x00dev)
102 if (!test_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags))
105 if (!rt2x00dev->fw) {
106 retval = rt2x00lib_request_firmware(rt2x00dev);
112 * Send firmware to the device.
114 retval = rt2x00dev->ops->lib->load_firmware(rt2x00dev,
116 rt2x00dev->fw->size);
119 * When the firmware is uploaded to the hardware the LED
120 * association status might have been triggered, for correct
121 * LED handling it should now be reset.
123 rt2x00leds_led_assoc(rt2x00dev, false);
128 void rt2x00lib_free_firmware(struct rt2x00_dev *rt2x00dev)
130 release_firmware(rt2x00dev->fw);
131 rt2x00dev->fw = NULL;