drivers/net/wireless/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 /* Tx flags are common between rtl8187 and rtl8187b */
  62 #define RTL8187_TX_FLAG_NO_ENCRYPT      (1 << 15)
  63 #define RTL8187_TX_FLAG_MORE_FRAG       (1 << 17)
  64 #define RTL8187_TX_FLAG_CTS             (1 << 18)
  65 #define RTL8187_TX_FLAG_RTS             (1 << 23)
  66
  67 struct rtl8187_tx_hdr {
  68         __le32 flags;
  69         __le16 rts_duration;
  70         __le16 len;
  71         __le32 retry;
  72 } __attribute__((packed));
  73
  74 struct rtl8187b_tx_hdr {
  75         __le32 flags;
  76         __le16 rts_duration;
  77         __le16 len;
  78         __le32 unused_1;
  79         __le16 unused_2;
  80         __le16 tx_duration;
  81         __le32 unused_3;
  82         __le32 retry;
  83         __le32 unused_4[2];
  84 } __attribute__((packed));
  85
  86 enum {
  87         DEVICE_RTL8187,
  88         DEVICE_RTL8187B
  89 };
  90
  91 struct rtl8187_priv {
  92         /* common between rtl818x drivers */
  93         struct rtl818x_csr *map;
  94         const struct rtl818x_rf_ops *rf;
  95         struct ieee80211_vif *vif;
  96         int mode;
  97         /* The mutex protects the TX loopback state.
  98          * Any attempt to set channels concurrently locks the device.
  99          */
 100         struct mutex conf_mutex;
 101
 102         /* rtl8187 specific */
 103         struct ieee80211_channel channels[14];
 104         struct ieee80211_rate rates[12];
 105         struct ieee80211_supported_band band;
 106         struct usb_device *udev;
 107         u32 rx_conf;
 108         u16 txpwr_base;
 109         u16 seqno;
 110         u8 asic_rev;
 111         u8 is_rtl8187b;
 112         enum {
 113                 RTL8187BvB,
 114                 RTL8187BvD,
 115                 RTL8187BvE
 116         } hw_rev;
 117         struct sk_buff_head rx_queue;
 118         u8 signal;
 119         u8 quality;
 120         u8 noise;
 121 };
 122
 123 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 124
 125 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 126                                      u8 *addr, u8 idx)
 127 {
 128         u8 val;
 129
 130         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 131                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 132                         (unsigned long)addr, idx & 0x03, &val,
 133                         sizeof(val), HZ / 2);
 134
 135         return val;
 136 }
 137
 138 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 139 {
 140         return rtl818x_ioread8_idx(priv, addr, 0);
 141 }
 142
 143 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 144                                        __le16 *addr, u8 idx)
 145 {
 146         __le16 val;
 147
 148         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 149                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 150                         (unsigned long)addr, idx & 0x03, &val,
 151                         sizeof(val), HZ / 2);
 152
 153         return le16_to_cpu(val);
 154 }
 155
 156 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 157 {
 158         return rtl818x_ioread16_idx(priv, addr, 0);
 159 }
 160
 161 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 162                                        __le32 *addr, u8 idx)
 163 {
 164         __le32 val;
 165
 166         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 167                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 168                         (unsigned long)addr, idx & 0x03, &val,
 169                         sizeof(val), HZ / 2);
 170
 171         return le32_to_cpu(val);
 172 }
 173
 174 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 175 {
 176         return rtl818x_ioread32_idx(priv, addr, 0);
 177 }
 178
 179 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 180                                         u8 *addr, u8 val, u8 idx)
 181 {
 182         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 183                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 184                         (unsigned long)addr, idx & 0x03, &val,
 185                         sizeof(val), HZ / 2);
 186 }
 187
 188 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 189 {
 190         rtl818x_iowrite8_idx(priv, addr, val, 0);
 191 }
 192
 193 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 194                                          __le16 *addr, u16 val, u8 idx)
 195 {
 196         __le16 buf = cpu_to_le16(val);
 197
 198         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 199                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 200                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 201                         HZ / 2);
 202 }
 203
 204 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 205                                      u16 val)
 206 {
 207         rtl818x_iowrite16_idx(priv, addr, val, 0);
 208 }
 209
 210 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 211                                          __le32 *addr, u32 val, u8 idx)
 212 {
 213         __le32 buf = cpu_to_le32(val);
 214
 215         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 216                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 217                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 218                         HZ / 2);
 219 }
 220
 221 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 222                                      u32 val)
 223 {
 224         rtl818x_iowrite32_idx(priv, addr, val, 0);
 225 }
 226
 227 #endif /* RTL8187_H */