/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* File: device.h
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*
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* Purpose: MAC Data structure
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*
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* Author: Tevin Chen
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*
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* Date: Mar 17, 1997
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*
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*/
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#ifndef __DEVICE_H__
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#define __DEVICE_H__
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#include <linux/bits.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/firmware.h>
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#include <linux/suspend.h>
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#include <linux/if_arp.h>
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#include <linux/wireless.h>
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#include <linux/timer.h>
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#include <linux/usb.h>
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#include <linux/crc32.h>
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#include <net/mac80211.h>
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#ifdef SIOCETHTOOL
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#define DEVICE_ETHTOOL_IOCTL_SUPPORT
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#include <linux/ethtool.h>
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#else
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#undef DEVICE_ETHTOOL_IOCTL_SUPPORT
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#endif
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#define RATE_1M 0
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#define RATE_2M 1
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#define RATE_5M 2
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#define RATE_11M 3
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#define RATE_6M 4
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#define RATE_9M 5
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#define RATE_12M 6
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#define RATE_18M 7
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#define RATE_24M 8
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#define RATE_36M 9
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#define RATE_48M 10
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#define RATE_54M 11
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#define RATE_AUTO 12
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#define MAX_RATE 12
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#define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
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BIT(RATE_5M) | BIT(RATE_11M))
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/*
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* device specific
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*/
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#include "wcmd.h"
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#include "desc.h"
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#include "key.h"
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#include "card.h"
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#define VNT_USB_VENDOR_ID 0x160a
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#define VNT_USB_PRODUCT_ID 0x3184
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#define DEVICE_NAME "vt6656"
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#define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"
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#define DEVICE_VERSION "mac80211"
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#define FIRMWARE_VERSION 0x133 /* version 1.51 */
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#define FIRMWARE_NAME "vntwusb.fw"
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#define FIRMWARE_CHUNK_SIZE 0x400
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#define CONFIG_PATH "/etc/vntconfiguration.dat"
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#define MAX_UINTS 8
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#define OPTION_DEFAULT { [0 ... MAX_UINTS - 1] = -1}
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#define DUPLICATE_RX_CACHE_LENGTH 5
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#define AUTO_FB_NONE 0
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#define AUTO_FB_0 1
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#define AUTO_FB_1 2
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#define FB_RATE0 0
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#define FB_RATE1 1
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/* Antenna Mode */
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#define ANT_A 0
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#define ANT_B 1
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#define ANT_DIVERSITY 2
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#define ANT_RXD_TXA 3
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#define ANT_RXD_TXB 4
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#define ANT_UNKNOWN 0xFF
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#define ANT_TXA 0
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#define ANT_TXB 1
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#define ANT_RXA 2
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#define ANT_RXB 3
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#define BB_VGA_LEVEL 4
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#define BB_VGA_CHANGE_THRESHOLD 3
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#define EEP_MAX_CONTEXT_SIZE 256
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/* Contents in the EEPROM */
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#define EEP_OFS_PAR 0x0
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#define EEP_OFS_ANTENNA 0x17
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#define EEP_OFS_RADIOCTL 0x18
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#define EEP_OFS_RFTYPE 0x1b
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#define EEP_OFS_MINCHANNEL 0x1c
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#define EEP_OFS_MAXCHANNEL 0x1d
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#define EEP_OFS_SIGNATURE 0x1e
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#define EEP_OFS_ZONETYPE 0x1f
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#define EEP_OFS_RFTABLE 0x20
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#define EEP_OFS_PWR_CCK 0x20
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#define EEP_OFS_SETPT_CCK 0x21
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#define EEP_OFS_PWR_OFDMG 0x23
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#define EEP_OFS_CALIB_TX_IQ 0x24
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#define EEP_OFS_CALIB_TX_DC 0x25
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#define EEP_OFS_CALIB_RX_IQ 0x26
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#define EEP_OFS_MAJOR_VER 0x2e
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#define EEP_OFS_MINOR_VER 0x2f
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#define EEP_OFS_CCK_PWR_TBL 0x30
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#define EEP_OFS_OFDM_PWR_TBL 0x40
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#define EEP_OFS_OFDMA_PWR_TBL 0x50
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/* Bits in EEP_OFS_ANTENNA */
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#define EEP_ANTENNA_MAIN BIT(0)
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#define EEP_ANTENNA_AUX BIT(1)
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#define EEP_ANTINV BIT(2)
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/* Bits in EEP_OFS_RADIOCTL */
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#define EEP_RADIOCTL_ENABLE BIT(7)
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/* control commands */
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#define MESSAGE_TYPE_READ 0x1
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#define MESSAGE_TYPE_WRITE 0x0
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#define MESSAGE_TYPE_LOCK_OR 0x2
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#define MESSAGE_TYPE_LOCK_AND 0x3
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#define MESSAGE_TYPE_WRITE_MASK 0x4
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#define MESSAGE_TYPE_CARDINIT 0x5
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#define MESSAGE_TYPE_INIT_RSP 0x6
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#define MESSAGE_TYPE_MACSHUTDOWN 0x7
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#define MESSAGE_TYPE_SETKEY 0x8
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#define MESSAGE_TYPE_CLRKEYENTRY 0x9
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#define MESSAGE_TYPE_WRITE_MISCFF 0xa
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#define MESSAGE_TYPE_SET_ANTMD 0xb
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#define MESSAGE_TYPE_SELECT_CHANNEL 0xc
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#define MESSAGE_TYPE_SET_TSFTBTT 0xd
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#define MESSAGE_TYPE_SET_SSTIFS 0xe
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#define MESSAGE_TYPE_CHANGE_BBTYPE 0xf
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#define MESSAGE_TYPE_DISABLE_PS 0x10
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#define MESSAGE_TYPE_WRITE_IFRF 0x11
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/* command read/write(index) */
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#define MESSAGE_REQUEST_MEM 0x1
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#define MESSAGE_REQUEST_BBREG 0x2
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#define MESSAGE_REQUEST_MACREG 0x3
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#define MESSAGE_REQUEST_EEPROM 0x4
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#define MESSAGE_REQUEST_TSF 0x5
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#define MESSAGE_REQUEST_TBTT 0x6
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#define MESSAGE_REQUEST_BBAGC 0x7
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#define MESSAGE_REQUEST_VERSION 0x8
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#define MESSAGE_REQUEST_RF_INIT 0x9
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#define MESSAGE_REQUEST_RF_INIT2 0xa
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#define MESSAGE_REQUEST_RF_CH0 0xb
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#define MESSAGE_REQUEST_RF_CH1 0xc
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#define MESSAGE_REQUEST_RF_CH2 0xd
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/* USB registers */
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#define USB_REG4 0x604
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#define DEVICE_INIT_COLD 0x0 /* cold init */
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#define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */
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#define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */
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/* Device init */
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struct vnt_cmd_card_init {
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u8 init_class;
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u8 exist_sw_net_addr;
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u8 sw_net_addr[6];
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u8 short_retry_limit;
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u8 long_retry_limit;
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};
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struct vnt_rsp_card_init {
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u8 status;
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u8 net_addr[6];
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u8 rf_type;
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u8 min_channel;
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u8 max_channel;
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};
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/* USB */
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/*
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* Enum of context types for SendPacket
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*/
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enum {
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CONTEXT_DATA_PACKET = 0,
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CONTEXT_BEACON_PACKET
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};
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struct vnt_rx_header {
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u32 wbk_status;
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u8 rx_sts;
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u8 rx_rate;
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u16 pay_load_len;
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} __packed;
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struct vnt_rx_tail {
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__le64 tsf_time;
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u8 sq;
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u8 new_rsr;
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u8 rssi;
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u8 rsr;
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u8 sq_3;
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} __packed;
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/* RCB (Receive Control Block) */
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struct vnt_rcb {
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void *priv;
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struct urb *urb;
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struct sk_buff *skb;
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};
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/* used to track bulk out irps */
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struct vnt_usb_send_context {
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void *priv;
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struct sk_buff *skb;
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void *tx_buffer;
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u32 frame_len;
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u16 tx_hdr_size;
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u16 tx_rate;
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u8 type;
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u8 pkt_no;
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u8 pkt_type;
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bool in_use;
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};
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/*
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* Structure to keep track of USB interrupt packets
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*/
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struct vnt_interrupt_buffer {
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u8 *data_buf;
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};
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/* flags for options */
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#define DEVICE_FLAGS_UNPLUG 0
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#define DEVICE_FLAGS_DISCONNECTED 1
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struct vnt_private {
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/* mac80211 */
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struct ieee80211_hw *hw;
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struct ieee80211_vif *vif;
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u8 mac_hw;
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/* netdev */
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struct usb_device *usb;
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struct usb_interface *intf;
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u64 tsf_time;
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u32 rx_buf_sz;
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int mc_list_count;
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spinlock_t lock;
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struct mutex usb_lock;
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unsigned long flags;
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/* USB */
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struct urb *interrupt_urb;
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u32 int_interval;
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/* Variables to track resources for the BULK In Pipe */
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struct vnt_rcb *rcb[CB_MAX_RX_DESC];
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u32 num_rcb;
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/* Variables to track resources for the BULK Out Pipe */
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struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
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struct usb_anchor tx_submitted;
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u32 num_tx_context;
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/* Variables to track resources for the Interrupt In Pipe */
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struct vnt_interrupt_buffer int_buf;
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/* Version control */
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u16 firmware_version;
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u8 local_id;
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u8 rf_type;
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u8 bb_rx_conf;
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struct vnt_cmd_card_init init_command;
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struct vnt_rsp_card_init init_response;
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u8 current_net_addr[ETH_ALEN] __aligned(2);
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u8 permanent_net_addr[ETH_ALEN] __aligned(2);
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u8 exist_sw_net_addr;
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u64 current_tsf;
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/* 802.11 MAC specific */
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u32 current_rssi;
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/* Antenna Diversity */
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int tx_rx_ant_inv;
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u32 rx_antenna_sel;
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u8 rx_antenna_mode;
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u8 tx_antenna_mode;
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u8 radio_ctl;
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/* IFS & Cw */
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u32 sifs; /* Current SIFS */
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u32 difs; /* Current DIFS */
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u32 eifs; /* Current EIFS */
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u32 slot; /* Current SlotTime */
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/* Rate */
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u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
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u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
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u32 basic_rates;
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u8 top_ofdm_basic_rate;
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u8 top_cck_basic_rate;
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u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */
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u8 preamble_type;
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/* For RF Power table */
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u8 cck_pwr;
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u8 ofdm_pwr_g;
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u8 ofdm_pwr_a;
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u8 power;
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u8 cck_pwr_tbl[14];
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u8 ofdm_pwr_tbl[14];
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u8 ofdm_a_pwr_tbl[42];
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u16 tx_rate_fb0;
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u16 tx_rate_fb1;
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enum nl80211_iftype op_mode;
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int short_slot_time;
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/* Power save */
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u16 current_aid;
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/* Beacon related */
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u16 seq_counter;
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enum vnt_cmd_state command_state;
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enum vnt_cmd command;
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/* 802.11 counter */
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enum vnt_cmd cmd_queue[CMD_Q_SIZE];
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u32 cmd_dequeue_idx;
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u32 cmd_enqueue_idx;
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u32 free_cmd_queue;
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int cmd_running;
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unsigned long key_entry_inuse;
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u8 auto_fb_ctrl;
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/* For Update BaseBand VGA Gain Offset */
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u8 bb_vga[BB_VGA_LEVEL];
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u8 bb_pre_ed_rssi;
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u8 bb_pre_ed_index;
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/* command timer */
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struct delayed_work run_command_work;
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struct ieee80211_low_level_stats low_stats;
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};
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#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
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if ((uVar) >= ((uModulo) - 1)) \
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(uVar) = 0; \
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else \
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(uVar)++; \
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}
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int vnt_init(struct vnt_private *priv);
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#endif
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