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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - drivers/staging/vt6656/firmware.c
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
)
114 spin_lock_irq(&pDevice
->lock
);
117 MODULE_FIRMWARE(FIRMWARE_NAME
);
126 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"---->Branch to Sram\n");
128 NdisStatus
= CONTROLnsRequestOut(pDevice
,
136 if (NdisStatus
!= STATUS_SUCCESS
) {
145 FIRMWAREbCheckVersion(
151 ntStatus
= CONTROLnsRequestIn(pDevice
,
154 MESSAGE_REQUEST_VERSION
,
156 (PBYTE
) &(pDevice
->wFirmwareVersion
));
158 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Firmware Version [%04x]\n", pDevice
->wFirmwareVersion
);
159 if (ntStatus
!= STATUS_SUCCESS
) {
160 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Firmware Invalid.\n");
163 if (pDevice
->wFirmwareVersion
== 0xFFFF) {
164 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"In Loader.\n");
167 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Firmware Version [%04x]\n", pDevice
->wFirmwareVersion
);
168 if (pDevice
->wFirmwareVersion
< FIRMWARE_VERSION
) {
169 // branch to loader for download new firmware
170 FIRMWAREbBrach2Sram(pDevice
);