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         u16 txpwr_base;
 103         u8 asic_rev;
 104         u8 is_rtl8187b;
 105         enum {
 106                 RTL8187BvB,
 107                 RTL8187BvD,
 108                 RTL8187BvE
 109         } hw_rev;
 110         struct sk_buff_head rx_queue;
 111         u8 signal;
 112         u8 quality;
 113         u8 noise;
 114         u8 slot_time;
 115         u8 aifsn[4];
 116 };
 117
 118 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 119
 120 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 121                                      u8 *addr, u8 idx)
 122 {
 123         u8 val;
 124
 125         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 126                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 127                         (unsigned long)addr, idx & 0x03, &val,
 128                         sizeof(val), HZ / 2);
 129
 130         return val;
 131 }
 132
 133 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 134 {
 135         return rtl818x_ioread8_idx(priv, addr, 0);
 136 }
 137
 138 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 139                                        __le16 *addr, u8 idx)
 140 {
 141         __le16 val;
 142
 143         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 144                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 145                         (unsigned long)addr, idx & 0x03, &val,
 146                         sizeof(val), HZ / 2);
 147
 148         return le16_to_cpu(val);
 149 }
 150
 151 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 152 {
 153         return rtl818x_ioread16_idx(priv, addr, 0);
 154 }
 155
 156 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 157                                        __le32 *addr, u8 idx)
 158 {
 159         __le32 val;
 160
 161         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 162                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 163                         (unsigned long)addr, idx & 0x03, &val,
 164                         sizeof(val), HZ / 2);
 165
 166         return le32_to_cpu(val);
 167 }
 168
 169 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 170 {
 171         return rtl818x_ioread32_idx(priv, addr, 0);
 172 }
 173
 174 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 175                                         u8 *addr, u8 val, u8 idx)
 176 {
 177         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 178                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 179                         (unsigned long)addr, idx & 0x03, &val,
 180                         sizeof(val), HZ / 2);
 181 }
 182
 183 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 184 {
 185         rtl818x_iowrite8_idx(priv, addr, val, 0);
 186 }
 187
 188 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 189                                          __le16 *addr, u16 val, u8 idx)
 190 {
 191         __le16 buf = cpu_to_le16(val);
 192
 193         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 194                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 195                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 196                         HZ / 2);
 197 }
 198
 199 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 200                                      u16 val)
 201 {
 202         rtl818x_iowrite16_idx(priv, addr, val, 0);
 203 }
 204
 205 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 206                                          __le32 *addr, u32 val, u8 idx)
 207 {
 208         __le32 buf = cpu_to_le32(val);
 209
 210         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 211                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 212                         (unsigned long)addr, idx & 0x03, &buf, sizeof(buf),
 213                         HZ / 2);
 214 }
 215
 216 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 217                                      u32 val)
 218 {
 219         rtl818x_iowrite32_idx(priv, addr, val, 0);
 220 }
 221
 222 #endif /* RTL8187_H */