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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: baseband.c
*
* Purpose: Implement functions to access baseband
*
* Author: Yiching Chen
*
* Date: May 20, 2004
*
* Functions:
*
* Revision History:
*
*/
#include <linux/compiler.h>
#include "firmware.h"
#include "usbpipe.h"
static int msglevel = MSG_LEVEL_INFO;
/* static int msglevel = MSG_LEVEL_DEBUG; */
#define FIRMWARE_VERSION 0x133 /* version 1.51 */
#define FIRMWARE_NAME "vntwusb.fw"
#define FIRMWARE_CHUNK_SIZE 0x400
int FIRMWAREbDownload(struct vnt_private *pDevice)
{
struct device *dev = &pDevice->usb->dev;
const struct firmware *fw;
int NdisStatus;
void *pBuffer = NULL;
bool result = false;
u16 wLength;
int ii, rc;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n");
rc = request_firmware(&fw, FIRMWARE_NAME, dev);
if (rc)
goto out;
pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL);
if (!pBuffer)
goto out;
for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) {
wLength = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE);
memcpy(pBuffer, fw->data + ii, wLength);
NdisStatus = vnt_control_out(pDevice,
0,
0x1200+ii,
0x0000,
wLength,
pBuffer);
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO"Download firmware...%d %zu\n", ii, fw->size);
if (NdisStatus != STATUS_SUCCESS)
goto free_fw;
}
result = true;
free_fw:
release_firmware(fw);
out:
kfree(pBuffer);
return result;
}
MODULE_FIRMWARE(FIRMWARE_NAME);
int FIRMWAREbBrach2Sram(struct vnt_private *pDevice)
{
int NdisStatus;
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Branch to Sram\n");
NdisStatus = vnt_control_out(pDevice,
1,
0x1200,
0x0000,
0,
NULL);
if (NdisStatus != STATUS_SUCCESS)
return false;
else
return true;
}
int FIRMWAREbCheckVersion(struct vnt_private *pDevice)
{
int ntStatus;
ntStatus = vnt_control_in(pDevice,
MESSAGE_TYPE_READ,
0,
MESSAGE_REQUEST_VERSION,
2,
(u8 *) &(pDevice->wFirmwareVersion));
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n",
pDevice->wFirmwareVersion);
if (ntStatus != STATUS_SUCCESS) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Invalid.\n");
return false;
}
if (pDevice->wFirmwareVersion == 0xFFFF) {
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"In Loader.\n");
return false;
}
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n",
pDevice->wFirmwareVersion);
if (pDevice->wFirmwareVersion < FIRMWARE_VERSION) {
/* branch to loader for download new firmware */
FIRMWAREbBrach2Sram(pDevice);
return false;
}
return true;
}
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