1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
6 * Purpose: MAC Data structure
17 #include <linux/bits.h>
18 #include <linux/module.h>
19 #include <linux/kernel.h>
20 #include <linux/slab.h>
21 #include <linux/delay.h>
22 #include <linux/device.h>
23 #include <linux/firmware.h>
24 #include <linux/suspend.h>
25 #include <linux/if_arp.h>
26 #include <linux/wireless.h>
27 #include <linux/timer.h>
28 #include <linux/usb.h>
29 #include <linux/crc32.h>
30 #include <net/mac80211.h>
33 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
34 #include <linux/ethtool.h>
36 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
54 #define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
55 BIT(RATE_5M) | BIT(RATE_11M))
66 #define VNT_USB_VENDOR_ID 0x160a
67 #define VNT_USB_PRODUCT_ID 0x3184
69 #define DEVICE_NAME "vt6656"
70 #define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"
72 #define DEVICE_VERSION "mac80211"
74 #define FIRMWARE_VERSION 0x133 /* version 1.51 */
75 #define FIRMWARE_NAME "vntwusb.fw"
76 #define FIRMWARE_CHUNK_SIZE 0x400
79 #define OPTION_DEFAULT { [0 ... MAX_UINTS - 1] = -1}
81 #define DUPLICATE_RX_CACHE_LENGTH 5
83 #define AUTO_FB_NONE 0
93 #define ANT_DIVERSITY 2
96 #define ANT_UNKNOWN 0xFF
102 #define BB_VGA_LEVEL 4
103 #define BB_VGA_CHANGE_THRESHOLD 3
105 #define EEP_MAX_CONTEXT_SIZE 256
107 /* Contents in the EEPROM */
108 #define EEP_OFS_PAR 0x0
109 #define EEP_OFS_ANTENNA 0x17
110 #define EEP_OFS_RADIOCTL 0x18
111 #define EEP_OFS_RFTYPE 0x1b
112 #define EEP_OFS_MINCHANNEL 0x1c
113 #define EEP_OFS_MAXCHANNEL 0x1d
114 #define EEP_OFS_SIGNATURE 0x1e
115 #define EEP_OFS_ZONETYPE 0x1f
116 #define EEP_OFS_RFTABLE 0x20
117 #define EEP_OFS_PWR_CCK 0x20
118 #define EEP_OFS_SETPT_CCK 0x21
119 #define EEP_OFS_PWR_OFDMG 0x23
121 #define EEP_OFS_CALIB_TX_IQ 0x24
122 #define EEP_OFS_CALIB_TX_DC 0x25
123 #define EEP_OFS_CALIB_RX_IQ 0x26
125 #define EEP_OFS_MAJOR_VER 0x2e
126 #define EEP_OFS_MINOR_VER 0x2f
128 #define EEP_OFS_CCK_PWR_TBL 0x30
129 #define EEP_OFS_OFDM_PWR_TBL 0x40
130 #define EEP_OFS_OFDMA_PWR_TBL 0x50
132 /* Bits in EEP_OFS_ANTENNA */
133 #define EEP_ANTENNA_MAIN BIT(0)
134 #define EEP_ANTENNA_AUX BIT(1)
135 #define EEP_ANTINV BIT(2)
137 /* Bits in EEP_OFS_RADIOCTL */
138 #define EEP_RADIOCTL_ENABLE BIT(7)
140 /* control commands */
141 #define MESSAGE_TYPE_READ 0x1
142 #define MESSAGE_TYPE_WRITE 0x0
143 #define MESSAGE_TYPE_LOCK_OR 0x2
144 #define MESSAGE_TYPE_LOCK_AND 0x3
145 #define MESSAGE_TYPE_WRITE_MASK 0x4
146 #define MESSAGE_TYPE_CARDINIT 0x5
147 #define MESSAGE_TYPE_INIT_RSP 0x6
148 #define MESSAGE_TYPE_MACSHUTDOWN 0x7
149 #define MESSAGE_TYPE_SETKEY 0x8
150 #define MESSAGE_TYPE_CLRKEYENTRY 0x9
151 #define MESSAGE_TYPE_WRITE_MISCFF 0xa
152 #define MESSAGE_TYPE_SET_ANTMD 0xb
153 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc
154 #define MESSAGE_TYPE_SET_TSFTBTT 0xd
155 #define MESSAGE_TYPE_SET_SSTIFS 0xe
156 #define MESSAGE_TYPE_CHANGE_BBTYPE 0xf
157 #define MESSAGE_TYPE_DISABLE_PS 0x10
158 #define MESSAGE_TYPE_WRITE_IFRF 0x11
160 /* command read/write(index) */
161 #define MESSAGE_REQUEST_MEM 0x1
162 #define MESSAGE_REQUEST_BBREG 0x2
163 #define MESSAGE_REQUEST_MACREG 0x3
164 #define MESSAGE_REQUEST_EEPROM 0x4
165 #define MESSAGE_REQUEST_TSF 0x5
166 #define MESSAGE_REQUEST_TBTT 0x6
167 #define MESSAGE_REQUEST_BBAGC 0x7
168 #define MESSAGE_REQUEST_VERSION 0x8
169 #define MESSAGE_REQUEST_RF_INIT 0x9
170 #define MESSAGE_REQUEST_RF_INIT2 0xa
171 #define MESSAGE_REQUEST_RF_CH0 0xb
172 #define MESSAGE_REQUEST_RF_CH1 0xc
173 #define MESSAGE_REQUEST_RF_CH2 0xd
176 #define USB_REG4 0x604
178 #define DEVICE_INIT_COLD 0x0 /* cold init */
179 #define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */
180 #define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */
183 struct vnt_cmd_card_init {
185 u8 exist_sw_net_addr;
187 u8 short_retry_limit;
191 struct vnt_rsp_card_init {
202 * Enum of context types for SendPacket
205 CONTEXT_DATA_PACKET = 0,
206 CONTEXT_BEACON_PACKET
209 struct vnt_rx_header {
225 /* RCB (Receive Control Block) */
232 /* used to track bulk out irps */
233 struct vnt_usb_send_context {
247 * Structure to keep track of USB interrupt packets
249 struct vnt_interrupt_buffer {
253 /* flags for options */
254 #define DEVICE_FLAGS_UNPLUG 0
255 #define DEVICE_FLAGS_DISCONNECTED 1
259 struct ieee80211_hw *hw;
260 struct ieee80211_vif *vif;
263 struct usb_device *usb;
264 struct usb_interface *intf;
271 spinlock_t lock; /* prepare tx USB URB */
272 struct mutex usb_lock; /* USB control messages */
277 struct urb *interrupt_urb;
280 /* Variables to track resources for the BULK In Pipe */
281 struct vnt_rcb *rcb[CB_MAX_RX_DESC];
284 /* Variables to track resources for the BULK Out Pipe */
285 struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
286 struct usb_anchor tx_submitted;
289 /* Variables to track resources for the Interrupt In Pipe */
290 struct vnt_interrupt_buffer int_buf;
292 /* Version control */
293 u16 firmware_version;
298 struct vnt_cmd_card_init init_command;
299 struct vnt_rsp_card_init init_response;
300 u8 current_net_addr[ETH_ALEN] __aligned(2);
301 u8 permanent_net_addr[ETH_ALEN] __aligned(2);
303 u8 exist_sw_net_addr;
307 /* 802.11 MAC specific */
310 /* Antenna Diversity */
318 u32 sifs; /* Current SIFS */
319 u32 difs; /* Current DIFS */
320 u32 eifs; /* Current EIFS */
321 u32 slot; /* Current SlotTime */
324 u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
325 u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
327 u8 top_ofdm_basic_rate;
328 u8 top_cck_basic_rate;
330 u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */
334 /* For RF Power table */
341 u8 ofdm_a_pwr_tbl[42];
346 enum nl80211_iftype op_mode;
356 enum vnt_cmd_state command_state;
358 enum vnt_cmd command;
362 enum vnt_cmd cmd_queue[CMD_Q_SIZE];
368 unsigned long key_entry_inuse;
372 /* For Update BaseBand VGA Gain Offset */
373 u8 bb_vga[BB_VGA_LEVEL];
379 struct delayed_work run_command_work;
381 struct ieee80211_low_level_stats low_stats;
384 int vnt_init(struct vnt_private *priv);