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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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. | |
18 | * | |
19 | * | |
20 | * File: baseband.c | |
21 | * | |
22 | * Purpose: Implement functions to access baseband | |
23 | * | |
24 | * Author: Yiching Chen | |
25 | * | |
26 | * Date: May 20, 2004 | |
27 | * | |
28 | * Functions: | |
29 | * | |
30 | * Revision History: | |
31 | * | |
32 | */ | |
33 | ||
f2ca407b | 34 | #include <linux/compiler.h> |
92b96797 | 35 | #include "firmware.h" |
62c8526d | 36 | #include "usbpipe.h" |
92b96797 | 37 | |
1266ed76 | 38 | static int msglevel = MSG_LEVEL_INFO; |
efbe5182 | 39 | /* static int msglevel = MSG_LEVEL_DEBUG; */ |
31d5bbf3 BH |
40 | |
41 | #define FIRMWARE_VERSION 0x133 /* version 1.51 */ | |
42 | #define FIRMWARE_NAME "vntwusb.fw" | |
43 | ||
44 | #define FIRMWARE_CHUNK_SIZE 0x400 | |
45 | ||
7af94000 | 46 | int FIRMWAREbDownload(struct vnt_private *pDevice) |
92b96797 | 47 | { |
f20fbdf8 | 48 | struct device *dev = &pDevice->usb->dev; |
31d5bbf3 BH |
49 | const struct firmware *fw; |
50 | int NdisStatus; | |
51 | void *pBuffer = NULL; | |
e269fc2d | 52 | bool result = false; |
31d5bbf3 | 53 | u16 wLength; |
f20fbdf8 MP |
54 | int ii, rc; |
55 | ||
31d5bbf3 | 56 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Download firmware\n"); |
31d5bbf3 | 57 | |
f20fbdf8 MP |
58 | rc = request_firmware(&fw, FIRMWARE_NAME, dev); |
59 | if (rc) { | |
60 | dev_err(dev, "firmware file %s request failed (%d)\n", | |
61 | FIRMWARE_NAME, rc); | |
31d5bbf3 | 62 | goto out; |
31d5bbf3 | 63 | } |
31d5bbf3 BH |
64 | |
65 | pBuffer = kmalloc(FIRMWARE_CHUNK_SIZE, GFP_KERNEL); | |
66 | if (!pBuffer) | |
67 | goto out; | |
68 | ||
69 | for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) { | |
70 | wLength = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE); | |
71 | memcpy(pBuffer, fw->data + ii, wLength); | |
72 | ||
1390b02a | 73 | NdisStatus = vnt_control_out(pDevice, |
1266ed76 NH |
74 | 0, |
75 | 0x1200+ii, | |
76 | 0x0000, | |
77 | wLength, | |
78 | pBuffer); | |
92b96797 | 79 | |
31d5bbf3 BH |
80 | DBG_PRT(MSG_LEVEL_DEBUG, |
81 | KERN_INFO"Download firmware...%d %zu\n", ii, fw->size); | |
82 | if (NdisStatus != STATUS_SUCCESS) | |
f20fbdf8 | 83 | goto free_fw; |
1266ed76 | 84 | } |
92b96797 | 85 | |
4e9b5e2b | 86 | result = true; |
f20fbdf8 MP |
87 | free_fw: |
88 | release_firmware(fw); | |
31d5bbf3 BH |
89 | |
90 | out: | |
1d5c536e | 91 | kfree(pBuffer); |
92b96797 | 92 | |
31d5bbf3 | 93 | return result; |
92b96797 | 94 | } |
31d5bbf3 | 95 | MODULE_FIRMWARE(FIRMWARE_NAME); |
92b96797 | 96 | |
fe5d00eb | 97 | int FIRMWAREbBrach2Sram(struct vnt_private *pDevice) |
92b96797 | 98 | { |
fe5d00eb | 99 | int NdisStatus; |
92b96797 | 100 | |
1266ed76 NH |
101 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Branch to Sram\n"); |
102 | ||
1390b02a | 103 | NdisStatus = vnt_control_out(pDevice, |
1266ed76 NH |
104 | 1, |
105 | 0x1200, | |
106 | 0x0000, | |
107 | 0, | |
108 | NULL); | |
fc044ac3 | 109 | if (NdisStatus != STATUS_SUCCESS) |
5a69f36d | 110 | return false; |
fc044ac3 | 111 | else |
5a69f36d | 112 | return true; |
92b96797 FB |
113 | } |
114 | ||
fe5d00eb | 115 | int FIRMWAREbCheckVersion(struct vnt_private *pDevice) |
92b96797 | 116 | { |
6487c49e | 117 | int ntStatus; |
92b96797 | 118 | |
441c21c3 | 119 | ntStatus = vnt_control_in(pDevice, |
1266ed76 NH |
120 | MESSAGE_TYPE_READ, |
121 | 0, | |
122 | MESSAGE_REQUEST_VERSION, | |
123 | 2, | |
124 | (u8 *) &(pDevice->wFirmwareVersion)); | |
125 | ||
1c3e56f9 NH |
126 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", |
127 | pDevice->wFirmwareVersion); | |
1266ed76 NH |
128 | if (ntStatus != STATUS_SUCCESS) { |
129 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Invalid.\n"); | |
130 | return false; | |
131 | } | |
132 | if (pDevice->wFirmwareVersion == 0xFFFF) { | |
133 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"In Loader.\n"); | |
134 | return false; | |
135 | } | |
1c3e56f9 NH |
136 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Firmware Version [%04x]\n", |
137 | pDevice->wFirmwareVersion); | |
1266ed76 | 138 | if (pDevice->wFirmwareVersion < FIRMWARE_VERSION) { |
efbe5182 | 139 | /* branch to loader for download new firmware */ |
1266ed76 NH |
140 | FIRMWAREbBrach2Sram(pDevice); |
141 | return false; | |
142 | } | |
143 | return true; | |
92b96797 | 144 | } |