2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 * Purpose: Implement functions to access baseband
24 * Author: Yiching Chen
38 /*--------------------- Static Definitions -------------------------*/
40 static int msglevel =MSG_LEVEL_INFO;
41 //static int msglevel =MSG_LEVEL_DEBUG;
43 #define FIRMWARE_VERSION 0x133 /* version 1.51 */
44 #define FIRMWARE_NAME "vntwusb.fw"
46 #define FIRMWARE_CHUNK_SIZE 0x400
48 /*--------------------- Static Classes ----------------------------*/
50 /*--------------------- Static Variables --------------------------*/
52 /*--------------------- Static Functions --------------------------*/
54 /*--------------------- Export Variables --------------------------*/
56 /*--------------------- Export Functions --------------------------*/
64 const struct firmware *fw;
71 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n");
72 spin_unlock_irq(&pDevice->lock);
74 if (!pDevice->firmware) {
75 struct device *dev = &pDevice->usb->dev;
78 rc = request_firmware(&pDevice->firmware, FIRMWARE_NAME, dev);
80 dev_err(dev, "firmware file %s request failed (%d)\n",
85 fw = pDevice->firmware;
87 pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
91 for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) {
92 wLength = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE);
93 memcpy(pBuffer, fw->data + ii, wLength);
95 NdisStatus = CONTROLnsRequestOutAsyn(pDevice,
103 DBG_PRT(MSG_LEVEL_DEBUG,
104 KERN_INFO"Download firmware...%d %zu\n", ii, fw->size);
105 if (NdisStatus != STATUS_SUCCESS)
115 spin_lock_irq(&pDevice->lock);
118 MODULE_FIRMWARE(FIRMWARE_NAME);
127 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Branch to Sram\n");
129 NdisStatus = CONTROLnsRequestOut(pDevice,
137 if (NdisStatus != STATUS_SUCCESS) {
146 FIRMWAREbCheckVersion(
152 ntStatus = CONTROLnsRequestIn(pDevice,
155 MESSAGE_REQUEST_VERSION,
157 (PBYTE) &(pDevice->wFirmwareVersion));
159 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion);
160 if (ntStatus != STATUS_SUCCESS) {
161 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Invalid.\n");
164 if (pDevice->wFirmwareVersion == 0xFFFF) {
165 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"In Loader.\n");
168 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", pDevice->wFirmwareVersion);
169 if (pDevice->wFirmwareVersion < FIRMWARE_VERSION) {
170 // branch to loader for download new firmware
171 FIRMWAREbBrach2Sram(pDevice);