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
68 #define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
69 BIT(RATE_5M) | BIT(RATE_11M))
80 #define VNT_USB_VENDOR_ID 0x160a
81 #define VNT_USB_PRODUCT_ID 0x3184
83 #define DEVICE_NAME "vt6656"
84 #define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"
86 #define DEVICE_VERSION "mac80211"
88 #define CONFIG_PATH "/etc/vntconfiguration.dat"
91 #define OPTION_DEFAULT { [0 ... MAX_UINTS-1] = -1}
93 #define DUPLICATE_RX_CACHE_LENGTH 5
95 #define AUTO_FB_NONE 0
105 #define ANT_DIVERSITY 2
106 #define ANT_RXD_TXA 3
107 #define ANT_RXD_TXB 4
108 #define ANT_UNKNOWN 0xFF
114 #define BB_VGA_LEVEL 4
115 #define BB_VGA_CHANGE_THRESHOLD 3
117 #define EEP_MAX_CONTEXT_SIZE 256
119 /* Contents in the EEPROM */
120 #define EEP_OFS_PAR 0x0
121 #define EEP_OFS_ANTENNA 0x17
122 #define EEP_OFS_RADIOCTL 0x18
123 #define EEP_OFS_RFTYPE 0x1b
124 #define EEP_OFS_MINCHANNEL 0x1c
125 #define EEP_OFS_MAXCHANNEL 0x1d
126 #define EEP_OFS_SIGNATURE 0x1e
127 #define EEP_OFS_ZONETYPE 0x1f
128 #define EEP_OFS_RFTABLE 0x20
129 #define EEP_OFS_PWR_CCK 0x20
130 #define EEP_OFS_SETPT_CCK 0x21
131 #define EEP_OFS_PWR_OFDMG 0x23
133 #define EEP_OFS_CALIB_TX_IQ 0x24
134 #define EEP_OFS_CALIB_TX_DC 0x25
135 #define EEP_OFS_CALIB_RX_IQ 0x26
137 #define EEP_OFS_MAJOR_VER 0x2e
138 #define EEP_OFS_MINOR_VER 0x2f
140 #define EEP_OFS_CCK_PWR_TBL 0x30
141 #define EEP_OFS_OFDM_PWR_TBL 0x40
142 #define EEP_OFS_OFDMA_PWR_TBL 0x50
144 /* Bits in EEP_OFS_ANTENNA */
145 #define EEP_ANTENNA_MAIN 0x1
146 #define EEP_ANTENNA_AUX 0x2
147 #define EEP_ANTINV 0x4
149 /* Bits in EEP_OFS_RADIOCTL */
150 #define EEP_RADIOCTL_ENABLE 0x80
152 /* control commands */
153 #define MESSAGE_TYPE_READ 0x1
154 #define MESSAGE_TYPE_WRITE 0x0
155 #define MESSAGE_TYPE_LOCK_OR 0x2
156 #define MESSAGE_TYPE_LOCK_AND 0x3
157 #define MESSAGE_TYPE_WRITE_MASK 0x4
158 #define MESSAGE_TYPE_CARDINIT 0x5
159 #define MESSAGE_TYPE_INIT_RSP 0x6
160 #define MESSAGE_TYPE_MACSHUTDOWN 0x7
161 #define MESSAGE_TYPE_SETKEY 0x8
162 #define MESSAGE_TYPE_CLRKEYENTRY 0x9
163 #define MESSAGE_TYPE_WRITE_MISCFF 0xa
164 #define MESSAGE_TYPE_SET_ANTMD 0xb
165 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc
166 #define MESSAGE_TYPE_SET_TSFTBTT 0xd
167 #define MESSAGE_TYPE_SET_SSTIFS 0xe
168 #define MESSAGE_TYPE_CHANGE_BBTYPE 0xf
169 #define MESSAGE_TYPE_DISABLE_PS 0x10
170 #define MESSAGE_TYPE_WRITE_IFRF 0x11
172 /* command read/write(index) */
173 #define MESSAGE_REQUEST_MEM 0x1
174 #define MESSAGE_REQUEST_BBREG 0x2
175 #define MESSAGE_REQUEST_MACREG 0x3
176 #define MESSAGE_REQUEST_EEPROM 0x4
177 #define MESSAGE_REQUEST_TSF 0x5
178 #define MESSAGE_REQUEST_TBTT 0x6
179 #define MESSAGE_REQUEST_BBAGC 0x7
180 #define MESSAGE_REQUEST_VERSION 0x8
181 #define MESSAGE_REQUEST_RF_INIT 0x9
182 #define MESSAGE_REQUEST_RF_INIT2 0xa
183 #define MESSAGE_REQUEST_RF_CH0 0xb
184 #define MESSAGE_REQUEST_RF_CH1 0xc
185 #define MESSAGE_REQUEST_RF_CH2 0xd
188 #define USB_REG4 0x604
190 #define DEVICE_INIT_COLD 0x0 /* cold init */
191 #define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */
192 #define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */
195 struct vnt_cmd_card_init {
197 u8 exist_sw_net_addr;
199 u8 short_retry_limit;
203 struct vnt_rsp_card_init {
214 * Enum of context types for SendPacket
217 CONTEXT_DATA_PACKET = 1,
219 CONTEXT_BEACON_PACKET
222 /* RCB (Receive Control Block) */
230 /* used to track bulk out irps */
231 struct vnt_usb_send_context {
235 struct ieee80211_hdr *hdr;
236 unsigned int buf_len;
246 unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
250 * Structure to keep track of USB interrupt packets
252 struct vnt_interrupt_buffer {
266 /* flags for options */
267 #define DEVICE_FLAGS_UNPLUG BIT(0)
268 #define DEVICE_FLAGS_DISCONNECTED BIT(1)
272 struct ieee80211_hw *hw;
273 struct ieee80211_vif *vif;
276 struct usb_device *usb;
277 struct usb_interface *intf;
286 struct mutex usb_lock;
291 struct urb *interrupt_urb;
294 /* Variables to track resources for the BULK In Pipe */
295 struct vnt_rcb *rcb[CB_MAX_RX_DESC];
298 /* Variables to track resources for the BULK Out Pipe */
299 struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
302 /* Variables to track resources for the Interrupt In Pipe */
303 struct vnt_interrupt_buffer int_buf;
305 /* Version control */
306 u16 firmware_version;
311 struct vnt_cmd_card_init init_command;
312 struct vnt_rsp_card_init init_response;
313 u8 current_net_addr[ETH_ALEN] __aligned(2);
314 u8 permanent_net_addr[ETH_ALEN] __aligned(2);
316 u8 exist_sw_net_addr;
320 /* 802.11 MAC specific */
323 /* Antenna Diversity */
331 u32 sifs; /* Current SIFS */
332 u32 difs; /* Current DIFS */
333 u32 eifs; /* Current EIFS */
334 u32 slot; /* Current SlotTime */
337 u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
338 u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
340 u8 top_ofdm_basic_rate;
341 u8 top_cck_basic_rate;
343 u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */
347 /* For RF Power table */
354 u8 ofdm_a_pwr_tbl[42];
360 u8 short_retry_limit;
363 enum nl80211_iftype op_mode;
373 enum vnt_cmd_state command_state;
375 enum vnt_cmd command;
379 enum vnt_cmd cmd_queue[CMD_Q_SIZE];
385 unsigned long key_entry_inuse;
389 /* For Update BaseBand VGA Gain Offset */
390 u8 bb_vga[BB_VGA_LEVEL];
398 struct delayed_work run_command_work;
400 struct ieee80211_low_level_stats low_stats;
403 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
404 if ((uVar) >= ((uModulo) - 1)) \
410 int vnt_init(struct vnt_private *priv);