283 lines
6.3 KiB
C
283 lines
6.3 KiB
C
/*
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* Definitions for RTL8187 hardware
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*
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* Copyright 2007 Michael Wu <flamingice@sourmilk.net>
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* Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
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*
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* Based on the r8187 driver, which is:
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* Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef RTL8187_H
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#define RTL8187_H
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#include "rtl818x.h"
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#include "leds.h"
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#define RTL8187_EEPROM_TXPWR_BASE 0x05
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#define RTL8187_EEPROM_MAC_ADDR 0x07
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#define RTL8187_EEPROM_TXPWR_CHAN_1 0x16 /* 3 channels */
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#define RTL8187_EEPROM_TXPWR_CHAN_6 0x1B /* 2 channels */
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#define RTL8187_EEPROM_TXPWR_CHAN_4 0x3D /* 2 channels */
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#define RTL8187_EEPROM_SELECT_GPIO 0x3B
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#define RTL8187_REQT_READ 0xC0
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#define RTL8187_REQT_WRITE 0x40
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#define RTL8187_REQ_GET_REG 0x05
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#define RTL8187_REQ_SET_REG 0x05
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#define RTL8187_MAX_RX 0x9C4
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#define RFKILL_MASK_8187_89_97 0x2
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#define RFKILL_MASK_8198 0x4
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#define RETRY_COUNT 7
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struct rtl8187_rx_info {
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struct urb *urb;
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struct ieee80211_hw *dev;
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};
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struct rtl8187_rx_hdr {
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__le32 flags;
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u8 noise;
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u8 signal;
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u8 agc;
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u8 reserved;
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__le64 mac_time;
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} __packed;
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struct rtl8187b_rx_hdr {
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__le32 flags;
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__le64 mac_time;
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u8 sq;
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u8 rssi;
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u8 agc;
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u8 flags2;
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__le16 snr_long2end;
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s8 pwdb_g12;
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u8 fot;
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} __packed;
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/* {rtl8187,rtl8187b}_tx_info is in skb */
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struct rtl8187_tx_hdr {
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__le32 flags;
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__le16 rts_duration;
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__le16 len;
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__le32 retry;
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} __packed;
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struct rtl8187b_tx_hdr {
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__le32 flags;
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__le16 rts_duration;
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__le16 len;
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__le32 unused_1;
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__le16 unused_2;
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__le16 tx_duration;
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__le32 unused_3;
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__le32 retry;
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__le32 unused_4[2];
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} __packed;
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enum {
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DEVICE_RTL8187,
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DEVICE_RTL8187B
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};
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struct rtl8187_vif {
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struct ieee80211_hw *dev;
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/* beaconing */
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struct delayed_work beacon_work;
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bool enable_beacon;
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};
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struct rtl8187_priv {
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/* common between rtl818x drivers */
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struct rtl818x_csr *map;
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const struct rtl818x_rf_ops *rf;
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struct ieee80211_vif *vif;
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/* The mutex protects the TX loopback state.
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* Any attempt to set channels concurrently locks the device.
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*/
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struct mutex conf_mutex;
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/* rtl8187 specific */
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struct ieee80211_channel channels[14];
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struct ieee80211_rate rates[12];
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struct ieee80211_supported_band band;
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struct usb_device *udev;
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u32 rx_conf;
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struct usb_anchor anchored;
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struct delayed_work work;
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struct ieee80211_hw *dev;
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#ifdef CONFIG_RTL8187_LEDS
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struct rtl8187_led led_radio;
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struct rtl8187_led led_tx;
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struct rtl8187_led led_rx;
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struct delayed_work led_on;
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struct delayed_work led_off;
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#endif
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u16 txpwr_base;
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u8 asic_rev;
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u8 is_rtl8187b;
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enum {
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RTL8187BvB,
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RTL8187BvD,
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RTL8187BvE
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} hw_rev;
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struct sk_buff_head rx_queue;
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u8 signal;
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u8 noise;
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u8 slot_time;
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u8 aifsn[4];
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u8 rfkill_mask;
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struct {
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__le64 buf;
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struct sk_buff_head queue;
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} b_tx_status; /* This queue is used by both -b and non-b devices */
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struct mutex io_mutex;
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union {
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u8 bits8;
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__le16 bits16;
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__le32 bits32;
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} *io_dmabuf;
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bool rfkill_off;
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u16 seqno;
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};
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void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
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static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
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u8 *addr, u8 idx)
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{
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u8 val;
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mutex_lock(&priv->io_mutex);
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usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
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RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
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val = priv->io_dmabuf->bits8;
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mutex_unlock(&priv->io_mutex);
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return val;
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}
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static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
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{
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return rtl818x_ioread8_idx(priv, addr, 0);
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}
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static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
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__le16 *addr, u8 idx)
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{
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__le16 val;
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mutex_lock(&priv->io_mutex);
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usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
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RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
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val = priv->io_dmabuf->bits16;
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mutex_unlock(&priv->io_mutex);
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return le16_to_cpu(val);
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}
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static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
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{
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return rtl818x_ioread16_idx(priv, addr, 0);
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}
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static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
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__le32 *addr, u8 idx)
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{
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__le32 val;
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mutex_lock(&priv->io_mutex);
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usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
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RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
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val = priv->io_dmabuf->bits32;
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mutex_unlock(&priv->io_mutex);
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return le32_to_cpu(val);
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}
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static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
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{
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return rtl818x_ioread32_idx(priv, addr, 0);
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}
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static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
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u8 *addr, u8 val, u8 idx)
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{
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mutex_lock(&priv->io_mutex);
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priv->io_dmabuf->bits8 = val;
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usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
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RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
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mutex_unlock(&priv->io_mutex);
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}
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static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
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{
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rtl818x_iowrite8_idx(priv, addr, val, 0);
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}
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static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
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__le16 *addr, u16 val, u8 idx)
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{
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mutex_lock(&priv->io_mutex);
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priv->io_dmabuf->bits16 = cpu_to_le16(val);
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usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
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RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
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mutex_unlock(&priv->io_mutex);
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}
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static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
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u16 val)
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{
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rtl818x_iowrite16_idx(priv, addr, val, 0);
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}
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static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
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__le32 *addr, u32 val, u8 idx)
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{
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mutex_lock(&priv->io_mutex);
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priv->io_dmabuf->bits32 = cpu_to_le32(val);
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usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
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RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
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(unsigned long)addr, idx & 0x03,
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&priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
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mutex_unlock(&priv->io_mutex);
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}
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static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
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u32 val)
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{
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rtl818x_iowrite32_idx(priv, addr, val, 0);
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}
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#endif /* RTL8187_H */
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