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 #include "rtl8187_leds.h"
  20
  21 #define RTL8187_EEPROM_TXPWR_BASE       0x05
  22 #define RTL8187_EEPROM_MAC_ADDR         0x07
  23 #define RTL8187_EEPROM_TXPWR_CHAN_1     0x16    /* 3 channels */
  24 #define RTL8187_EEPROM_TXPWR_CHAN_6     0x1B    /* 2 channels */
  25 #define RTL8187_EEPROM_TXPWR_CHAN_4     0x3D    /* 2 channels */
  26
  27 #define RTL8187_REQT_READ       0xC0
  28 #define RTL8187_REQT_WRITE      0x40
  29 #define RTL8187_REQ_GET_REG     0x05
  30 #define RTL8187_REQ_SET_REG     0x05
  31
  32 #define RTL8187_MAX_RX          0x9C4
  33
  34 struct rtl8187_rx_info {
  35         struct urb *urb;
  36         struct ieee80211_hw *dev;
  37 };
  38
  39 struct rtl8187_rx_hdr {
  40         __le32 flags;
  41         u8 noise;
  42         u8 signal;
  43         u8 agc;
  44         u8 reserved;
  45         __le64 mac_time;
  46 } __attribute__((packed));
  47
  48 struct rtl8187b_rx_hdr {
  49         __le32 flags;
  50         __le64 mac_time;
  51         u8 sq;
  52         u8 rssi;
  53         u8 agc;
  54         u8 flags2;
  55         __le16 snr_long2end;
  56         s8 pwdb_g12;
  57         u8 fot;
  58 } __attribute__((packed));
  59
  60 /* {rtl8187,rtl8187b}_tx_info is in skb */
  61
  62 struct rtl8187_tx_hdr {
  63         __le32 flags;
  64         __le16 rts_duration;
  65         __le16 len;
  66         __le32 retry;
  67 } __attribute__((packed));
  68
  69 struct rtl8187b_tx_hdr {
  70         __le32 flags;
  71         __le16 rts_duration;
  72         __le16 len;
  73         __le32 unused_1;
  74         __le16 unused_2;
  75         __le16 tx_duration;
  76         __le32 unused_3;
  77         __le32 retry;
  78         __le32 unused_4[2];
  79 } __attribute__((packed));
  80
  81 enum {
  82         DEVICE_RTL8187,
  83         DEVICE_RTL8187B
  84 };
  85
  86 struct rtl8187_priv {
  87         /* common between rtl818x drivers */
  88         struct rtl818x_csr *map;
  89         const struct rtl818x_rf_ops *rf;
  90         struct ieee80211_vif *vif;
  91         int mode;
  92         /* The mutex protects the TX loopback state.
  93          * Any attempt to set channels concurrently locks the device.
  94          */
  95         struct mutex conf_mutex;
  96
  97         /* rtl8187 specific */
  98         struct ieee80211_channel channels[14];
  99         struct ieee80211_rate rates[12];
 100         struct ieee80211_supported_band band;
 101         struct usb_device *udev;
 102         u32 rx_conf;
 103         struct usb_anchor anchored;
 104         struct delayed_work work;
 105         struct ieee80211_hw *dev;
 106 #ifdef CONFIG_RTL8187_LEDS
 107         struct rtl8187_led led_tx;
 108         struct rtl8187_led led_rx;
 109         struct delayed_work led_on;
 110         struct delayed_work led_off;
 111 #endif
 112         u16 txpwr_base;
 113         u8 asic_rev;
 114         u8 is_rtl8187b;
 115         enum {
 116                 RTL8187BvB,
 117                 RTL8187BvD,
 118                 RTL8187BvE
 119         } hw_rev;
 120         struct sk_buff_head rx_queue;
 121         u8 signal;
 122         u8 quality;
 123         u8 noise;
 124         u8 slot_time;
 125         u8 aifsn[4];
 126         struct {
 127                 __le64 buf;
 128                 struct sk_buff_head queue;
 129         } b_tx_status; /* This queue is used by both -b and non-b devices */
 130         struct mutex io_mutex;
 131         union {
 132                 u8 bits8;
 133                 __le16 bits16;
 134                 __le32 bits32;
 135         } *io_dmabuf;
 136         bool rfkill_off;
 137 };
 138
 139 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 140
 141 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 142                                      u8 *addr, u8 idx)
 143 {
 144         u8 val;
 145
 146         mutex_lock(&priv->io_mutex);
 147         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 148                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 149                         (unsigned long)addr, idx & 0x03,
 150                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 151
 152         val = priv->io_dmabuf->bits8;
 153         mutex_unlock(&priv->io_mutex);
 154
 155         return val;
 156 }
 157
 158 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 159 {
 160         return rtl818x_ioread8_idx(priv, addr, 0);
 161 }
 162
 163 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 164                                        __le16 *addr, u8 idx)
 165 {
 166         __le16 val;
 167
 168         mutex_lock(&priv->io_mutex);
 169         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 170                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 171                         (unsigned long)addr, idx & 0x03,
 172                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 173
 174         val = priv->io_dmabuf->bits16;
 175         mutex_unlock(&priv->io_mutex);
 176
 177         return le16_to_cpu(val);
 178 }
 179
 180 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 181 {
 182         return rtl818x_ioread16_idx(priv, addr, 0);
 183 }
 184
 185 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 186                                        __le32 *addr, u8 idx)
 187 {
 188         __le32 val;
 189
 190         mutex_lock(&priv->io_mutex);
 191         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 192                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 193                         (unsigned long)addr, idx & 0x03,
 194                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 195
 196         val = priv->io_dmabuf->bits32;
 197         mutex_unlock(&priv->io_mutex);
 198
 199         return le32_to_cpu(val);
 200 }
 201
 202 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 203 {
 204         return rtl818x_ioread32_idx(priv, addr, 0);
 205 }
 206
 207 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 208                                         u8 *addr, u8 val, u8 idx)
 209 {
 210         mutex_lock(&priv->io_mutex);
 211
 212         priv->io_dmabuf->bits8 = val;
 213         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 214                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 215                         (unsigned long)addr, idx & 0x03,
 216                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 217
 218         mutex_unlock(&priv->io_mutex);
 219 }
 220
 221 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 222 {
 223         rtl818x_iowrite8_idx(priv, addr, val, 0);
 224 }
 225
 226 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 227                                          __le16 *addr, u16 val, u8 idx)
 228 {
 229         mutex_lock(&priv->io_mutex);
 230
 231         priv->io_dmabuf->bits16 = cpu_to_le16(val);
 232         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 233                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 234                         (unsigned long)addr, idx & 0x03,
 235                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 236
 237         mutex_unlock(&priv->io_mutex);
 238 }
 239
 240 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 241                                      u16 val)
 242 {
 243         rtl818x_iowrite16_idx(priv, addr, val, 0);
 244 }
 245
 246 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 247                                          __le32 *addr, u32 val, u8 idx)
 248 {
 249         mutex_lock(&priv->io_mutex);
 250
 251         priv->io_dmabuf->bits32 = cpu_to_le32(val);
 252         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 253                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 254                         (unsigned long)addr, idx & 0x03,
 255                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 256
 257         mutex_unlock(&priv->io_mutex);
 258 }
 259
 260 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 261                                      u32 val)
 262 {
 263         rtl818x_iowrite32_idx(priv, addr, val, 0);
 264 }
 265
 266 #endif /* RTL8187_H */