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         __le16 len;
  40         __le16 rate;
  41         u8 noise;
  42         u8 signal;
  43         u8 agc;
  44         u8 reserved;
  45         __le64 mac_time;
  46 } __attribute__((packed));
  47
  48 struct rtl8187_tx_info {
  49         struct ieee80211_tx_control *control;
  50         struct urb *urb;
  51         struct ieee80211_hw *dev;
  52 };
  53
  54 struct rtl8187_tx_hdr {
  55         __le32 flags;
  56 #define RTL8187_TX_FLAG_NO_ENCRYPT      (1 << 15)
  57 #define RTL8187_TX_FLAG_MORE_FRAG       (1 << 17)
  58 #define RTL8187_TX_FLAG_CTS             (1 << 18)
  59 #define RTL8187_TX_FLAG_RTS             (1 << 23)
  60         __le16 rts_duration;
  61         __le16 len;
  62         __le32 retry;
  63 } __attribute__((packed));
  64
  65 struct rtl8187_priv {
  66         /* common between rtl818x drivers */
  67         struct rtl818x_csr *map;
  68         void (*rf_init)(struct ieee80211_hw *);
  69         int mode;
  70         int if_id;
  71
  72         /* rtl8187 specific */
  73         struct ieee80211_channel channels[14];
  74         struct ieee80211_rate rates[12];
  75         struct ieee80211_hw_mode modes[2];
  76         struct usb_device *udev;
  77         u8 *hwaddr;
  78         u16 txpwr_base;
  79         u8 asic_rev;
  80         struct sk_buff_head rx_queue;
  81 };
  82
  83 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
  84
  85 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
  86 {
  87         u8 val;
  88
  89         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
  90                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
  91                         (unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
  92
  93         return val;
  94 }
  95
  96 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
  97 {
  98         __le16 val;
  99
 100         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 101                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 102                         (unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
 103
 104         return le16_to_cpu(val);
 105 }
 106
 107 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 108 {
 109         __le32 val;
 110
 111         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 112                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 113                         (unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
 114
 115         return le32_to_cpu(val);
 116 }
 117
 118 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv,
 119                                     u8 *addr, u8 val)
 120 {
 121         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 122                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 123                         (unsigned long)addr, 0, &val, sizeof(val), HZ / 2);
 124 }
 125
 126 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv,
 127                                      __le16 *addr, u16 val)
 128 {
 129         __le16 buf = cpu_to_le16(val);
 130
 131         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 132                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 133                         (unsigned long)addr, 0, &buf, sizeof(buf), HZ / 2);
 134 }
 135
 136 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv,
 137                                      __le32 *addr, u32 val)
 138 {
 139         __le32 buf = cpu_to_le32(val);
 140
 141         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 142                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 143                         (unsigned long)addr, 0, &buf, sizeof(buf), HZ / 2);
 144 }
 145
 146 #endif /* RTL8187_H */