git.oblomov.eu Git - linux-2.6/blob - drivers/net/wireless/rtl818x/rtl8187.h

   1 /*
   2  * Definitions for RTL8187 hardware
   3  *
   4  * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
   5  * Copyright 2007 Andrea Merello <andreamrl@tiscali.it>
   6  *
   7  * Based on the r8187 driver, which is:
   8  * Copyright 2005 Andrea Merello <andreamrl@tiscali.it>, et al.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef RTL8187_H
  16 #define RTL8187_H
  17
  18 #include "rtl818x.h"
  19
  20 #define RTL8187_EEPROM_TXPWR_BASE       0x05
  21 #define RTL8187_EEPROM_MAC_ADDR         0x07
  22 #define RTL8187_EEPROM_TXPWR_CHAN_1     0x16    /* 3 channels */
  23 #define RTL8187_EEPROM_TXPWR_CHAN_6     0x1B    /* 2 channels */
  24 #define RTL8187_EEPROM_TXPWR_CHAN_4     0x3D    /* 2 channels */
  25
  26 #define RTL8187_REQT_READ       0xC0
  27 #define RTL8187_REQT_WRITE      0x40
  28 #define RTL8187_REQ_GET_REG     0x05
  29 #define RTL8187_REQ_SET_REG     0x05
  30
  31 #define RTL8187_MAX_RX          0x9C4
  32
  33 struct rtl8187_rx_info {
  34         struct urb *urb;
  35         struct ieee80211_hw *dev;
  36 };
  37
  38 struct rtl8187_rx_hdr {
  39         __le32 flags;
  40         u8 noise;
  41         u8 signal;
  42         u8 agc;
  43         u8 reserved;
  44         __le64 mac_time;
  45 } __attribute__((packed));
  46
  47 struct rtl8187b_rx_hdr {
  48         __le32 flags;
  49         __le64 mac_time;
  50         u8 sq;
  51         u8 rssi;
  52         u8 agc;
  53         u8 flags2;
  54         __le16 snr_long2end;
  55         s8 pwdb_g12;
  56         u8 fot;
  57 } __attribute__((packed));
  58
  59 /* {rtl8187,rtl8187b}_tx_info is in skb */
  60
  61 struct rtl8187_tx_hdr {
  62         __le32 flags;
  63         __le16 rts_duration;
  64         __le16 len;
  65         __le32 retry;
  66 } __attribute__((packed));
  67
  68 struct rtl8187b_tx_hdr {
  69         __le32 flags;
  70         __le16 rts_duration;
  71         __le16 len;
  72         __le32 unused_1;
  73         __le16 unused_2;
  74         __le16 tx_duration;
  75         __le32 unused_3;
  76         __le32 retry;
  77         __le32 unused_4[2];
  78 } __attribute__((packed));
  79
  80 enum {
  81         DEVICE_RTL8187,
  82         DEVICE_RTL8187B
  83 };
  84
  85 struct rtl8187_priv {
  86         /* common between rtl818x drivers */
  87         struct rtl818x_csr *map;
  88         const struct rtl818x_rf_ops *rf;
  89         struct ieee80211_vif *vif;
  90         int mode;
  91         /* The mutex protects the TX loopback state.
  92          * Any attempt to set channels concurrently locks the device.
  93          */
  94         struct mutex conf_mutex;
  95
  96         /* rtl8187 specific */
  97         struct ieee80211_channel channels[14];
  98         struct ieee80211_rate rates[12];
  99         struct ieee80211_supported_band band;
 100         struct usb_device *udev;
 101         u32 rx_conf;
 102         struct usb_anchor anchored;
 103         struct delayed_work work;
 104         struct ieee80211_hw *dev;
 105         u16 txpwr_base;
 106         u8 asic_rev;
 107         u8 is_rtl8187b;
 108         enum {
 109                 RTL8187BvB,
 110                 RTL8187BvD,
 111                 RTL8187BvE
 112         } hw_rev;
 113         struct sk_buff_head rx_queue;
 114         u8 signal;
 115         u8 quality;
 116         u8 noise;
 117         u8 slot_time;
 118         u8 aifsn[4];
 119         struct {
 120                 __le64 buf;
 121                 struct sk_buff_head queue;
 122         } b_tx_status; /* This queue is used by both -b and non-b devices */
 123 };
 124
 125 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 126
 127 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 128                                      u8 *addr, u8 idx)
 129 {
 130         u8 val;
 131
 132         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 133                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 134                         (unsigned long)addr, idx & 0x03, &val,
 135                         sizeof(val), HZ / 2);
 136
 137         return val;
 138 }
 139
 140 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 141 {
 142         return rtl818x_ioread8_idx(priv, addr, 0);
 143 }
 144
 145 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 146                                        __le16 *addr, u8 idx)
 147 {
 148         __le16 val;
 149
 150         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 151                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 152                         (unsigned long)addr, idx & 0x03, &val,
 153                         sizeof(val), HZ / 2);
 154
 155         return le16_to_cpu(val);
 156 }
 157
 158 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 159 {
 160         return rtl818x_ioread16_idx(priv, addr, 0);
 161 }
 162
 163 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 164                                        __le32 *addr, u8 idx)
 165 {
 166         __le32 val;
 167
 168         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 169                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 170                         (unsigned long)addr, idx & 0x03, &val,
 171                         sizeof(val), HZ / 2);
 172
 173         return le32_to_cpu(val);
 174 }
 175
 176 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 177 {
 178         return rtl818x_ioread32_idx(priv, addr, 0);
 179 }
 180
 181 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 182                                         u8 *addr, u8 val, u8 idx)
 183 {
 184         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 185                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 186                         (unsigned long)addr, idx & 0x03, &val,
 187                         sizeof(val), HZ / 2);
 188 }
 189
 190 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 191 {
 192         rtl818x_iowrite8_idx(priv, addr, val, 0);
 193 }
 194
 195 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 196                                          __le16 *addr, u16 val, u8 idx)
 197 {
 198         __le16 buf = cpu_to_le16(val);
 199
 200         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 201                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 202                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 203                         HZ / 2);
 204 }
 205
 206 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 207                                      u16 val)
 208 {
 209         rtl818x_iowrite16_idx(priv, addr, val, 0);
 210 }
 211
 212 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 213                                          __le32 *addr, u32 val, u8 idx)
 214 {
 215         __le32 buf = cpu_to_le32(val);
 216
 217         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 218                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 219                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 220                         HZ / 2);
 221 }
 222
 223 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 224                                      u32 val)
 225 {
 226         rtl818x_iowrite32_idx(priv, addr, val, 0);
 227 }
 228
 229 #endif /* RTL8187_H */