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.
21 * Purpose: MAC Data structure
32 #include <linux/module.h>
33 #include <linux/kernel.h>
34 #include <linux/slab.h>
35 #include <linux/delay.h>
36 #include <linux/device.h>
37 #include <linux/firmware.h>
38 #include <linux/suspend.h>
39 #include <linux/if_arp.h>
40 #include <linux/wireless.h>
41 #include <linux/timer.h>
42 #include <linux/usb.h>
43 #include <linux/crc32.h>
44 #include <net/mac80211.h>
47 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
48 #include <linux/ethtool.h>
50 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
78 #define VNT_USB_VENDOR_ID 0x160a
79 #define VNT_USB_PRODUCT_ID 0x3184
81 #define DEVICE_NAME "vt6656"
82 #define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"
84 #define DEVICE_VERSION "mac80211"
86 #define CONFIG_PATH "/etc/vntconfiguration.dat"
89 #define OPTION_DEFAULT { [0 ... MAX_UINTS-1] = -1}
91 #define DUPLICATE_RX_CACHE_LENGTH 5
93 #define AUTO_FB_NONE 0
103 #define ANT_DIVERSITY 2
104 #define ANT_RXD_TXA 3
105 #define ANT_RXD_TXB 4
106 #define ANT_UNKNOWN 0xFF
112 #define BB_VGA_LEVEL 4
113 #define BB_VGA_CHANGE_THRESHOLD 3
115 #define EEP_MAX_CONTEXT_SIZE 256
117 /* Contents in the EEPROM */
118 #define EEP_OFS_PAR 0x0
119 #define EEP_OFS_ANTENNA 0x17
120 #define EEP_OFS_RADIOCTL 0x18
121 #define EEP_OFS_RFTYPE 0x1b
122 #define EEP_OFS_MINCHANNEL 0x1c
123 #define EEP_OFS_MAXCHANNEL 0x1d
124 #define EEP_OFS_SIGNATURE 0x1e
125 #define EEP_OFS_ZONETYPE 0x1f
126 #define EEP_OFS_RFTABLE 0x20
127 #define EEP_OFS_PWR_CCK 0x20
128 #define EEP_OFS_SETPT_CCK 0x21
129 #define EEP_OFS_PWR_OFDMG 0x23
131 #define EEP_OFS_CALIB_TX_IQ 0x24
132 #define EEP_OFS_CALIB_TX_DC 0x25
133 #define EEP_OFS_CALIB_RX_IQ 0x26
135 #define EEP_OFS_MAJOR_VER 0x2e
136 #define EEP_OFS_MINOR_VER 0x2f
138 #define EEP_OFS_CCK_PWR_TBL 0x30
139 #define EEP_OFS_OFDM_PWR_TBL 0x40
140 #define EEP_OFS_OFDMA_PWR_TBL 0x50
142 /* Bits in EEP_OFS_ANTENNA */
143 #define EEP_ANTENNA_MAIN 0x1
144 #define EEP_ANTENNA_AUX 0x2
145 #define EEP_ANTINV 0x4
147 /* Bits in EEP_OFS_RADIOCTL */
148 #define EEP_RADIOCTL_ENABLE 0x80
150 /* control commands */
151 #define MESSAGE_TYPE_READ 0x1
152 #define MESSAGE_TYPE_WRITE 0x0
153 #define MESSAGE_TYPE_LOCK_OR 0x2
154 #define MESSAGE_TYPE_LOCK_AND 0x3
155 #define MESSAGE_TYPE_WRITE_MASK 0x4
156 #define MESSAGE_TYPE_CARDINIT 0x5
157 #define MESSAGE_TYPE_INIT_RSP 0x6
158 #define MESSAGE_TYPE_MACSHUTDOWN 0x7
159 #define MESSAGE_TYPE_SETKEY 0x8
160 #define MESSAGE_TYPE_CLRKEYENTRY 0x9
161 #define MESSAGE_TYPE_WRITE_MISCFF 0xa
162 #define MESSAGE_TYPE_SET_ANTMD 0xb
163 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc
164 #define MESSAGE_TYPE_SET_TSFTBTT 0xd
165 #define MESSAGE_TYPE_SET_SSTIFS 0xe
166 #define MESSAGE_TYPE_CHANGE_BBTYPE 0xf
167 #define MESSAGE_TYPE_DISABLE_PS 0x10
168 #define MESSAGE_TYPE_WRITE_IFRF 0x11
170 /* command read/write(index) */
171 #define MESSAGE_REQUEST_MEM 0x1
172 #define MESSAGE_REQUEST_BBREG 0x2
173 #define MESSAGE_REQUEST_MACREG 0x3
174 #define MESSAGE_REQUEST_EEPROM 0x4
175 #define MESSAGE_REQUEST_TSF 0x5
176 #define MESSAGE_REQUEST_TBTT 0x6
177 #define MESSAGE_REQUEST_BBAGC 0x7
178 #define MESSAGE_REQUEST_VERSION 0x8
179 #define MESSAGE_REQUEST_RF_INIT 0x9
180 #define MESSAGE_REQUEST_RF_INIT2 0xa
181 #define MESSAGE_REQUEST_RF_CH0 0xb
182 #define MESSAGE_REQUEST_RF_CH1 0xc
183 #define MESSAGE_REQUEST_RF_CH2 0xd
186 #define USB_REG4 0x604
188 #define DEVICE_INIT_COLD 0x0 /* cold init */
189 #define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */
190 #define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */
193 struct vnt_cmd_card_init {
195 u8 exist_sw_net_addr;
197 u8 short_retry_limit;
201 struct vnt_rsp_card_init {
212 * Enum of context types for SendPacket
215 CONTEXT_DATA_PACKET = 1,
217 CONTEXT_BEACON_PACKET
220 /* RCB (Receive Control Block) */
228 /* used to track bulk out irps */
229 struct vnt_usb_send_context {
233 struct ieee80211_hdr *hdr;
234 unsigned int buf_len;
244 unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
248 * Structure to keep track of USB interrupt packets
250 struct vnt_interrupt_buffer {
264 /* flags for options */
265 #define DEVICE_FLAGS_UNPLUG BIT(0)
266 #define DEVICE_FLAGS_DISCONNECTED BIT(1)
270 struct ieee80211_hw *hw;
271 struct ieee80211_vif *vif;
274 struct usb_device *usb;
283 struct mutex usb_lock;
288 struct urb *interrupt_urb;
291 /* Variables to track resources for the BULK In Pipe */
292 struct vnt_rcb *rcb[CB_MAX_RX_DESC];
295 /* Variables to track resources for the BULK Out Pipe */
296 struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
299 /* Variables to track resources for the Interrupt In Pipe */
300 struct vnt_interrupt_buffer int_buf;
302 /* Version control */
303 u16 firmware_version;
308 struct vnt_cmd_card_init init_command;
309 struct vnt_rsp_card_init init_response;
310 u8 current_net_addr[ETH_ALEN] __aligned(2);
311 u8 permanent_net_addr[ETH_ALEN] __aligned(2);
313 u8 exist_sw_net_addr;
317 /* 802.11 MAC specific */
320 /* Antenna Diversity */
328 u32 sifs; /* Current SIFS */
329 u32 difs; /* Current DIFS */
330 u32 eifs; /* Current EIFS */
331 u32 slot; /* Current SlotTime */
334 u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
335 u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
337 u8 top_ofdm_basic_rate;
338 u8 top_cck_basic_rate;
340 u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */
344 /* For RF Power table */
351 u8 ofdm_a_pwr_tbl[42];
357 u8 short_retry_limit;
360 enum nl80211_iftype op_mode;
370 enum vnt_cmd_state command_state;
372 enum vnt_cmd command;
376 enum vnt_cmd cmd_queue[CMD_Q_SIZE];
382 unsigned long key_entry_inuse;
386 /* For Update BaseBand VGA Gain Offset */
387 u8 bb_vga[BB_VGA_LEVEL];
395 struct delayed_work run_command_work;
397 struct ieee80211_low_level_stats low_stats;
400 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
401 if ((uVar) >= ((uModulo) - 1)) \
407 int vnt_init(struct vnt_private *priv);