drivers/net/wireless/rtl818x/rtl8187/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 "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 #define RTL8187_EEPROM_SELECT_GPIO      0x3B
  27
  28 #define RTL8187_REQT_READ       0xC0
  29 #define RTL8187_REQT_WRITE      0x40
  30 #define RTL8187_REQ_GET_REG     0x05
  31 #define RTL8187_REQ_SET_REG     0x05
  32
  33 #define RTL8187_MAX_RX          0x9C4
  34
  35 #define RFKILL_MASK_8187_89_97  0x2
  36 #define RFKILL_MASK_8198        0x4
  37
  38 #define RETRY_COUNT             7
  39
  40 struct rtl8187_rx_info {
  41         struct urb *urb;
  42         struct ieee80211_hw *dev;
  43 };
  44
  45 struct rtl8187_rx_hdr {
  46         __le32 flags;
  47         u8 noise;
  48         u8 signal;
  49         u8 agc;
  50         u8 reserved;
  51         __le64 mac_time;
  52 } __packed;
  53
  54 struct rtl8187b_rx_hdr {
  55         __le32 flags;
  56         __le64 mac_time;
  57         u8 sq;
  58         u8 rssi;
  59         u8 agc;
  60         u8 flags2;
  61         __le16 snr_long2end;
  62         s8 pwdb_g12;
  63         u8 fot;
  64 } __packed;
  65
  66 /* {rtl8187,rtl8187b}_tx_info is in skb */
  67
  68 struct rtl8187_tx_hdr {
  69         __le32 flags;
  70         __le16 rts_duration;
  71         __le16 len;
  72         __le32 retry;
  73 } __packed;
  74
  75 struct rtl8187b_tx_hdr {
  76         __le32 flags;
  77         __le16 rts_duration;
  78         __le16 len;
  79         __le32 unused_1;
  80         __le16 unused_2;
  81         __le16 tx_duration;
  82         __le32 unused_3;
  83         __le32 retry;
  84         __le32 unused_4[2];
  85 } __packed;
  86
  87 enum {
  88         DEVICE_RTL8187,
  89         DEVICE_RTL8187B
  90 };
  91
  92 struct rtl8187_priv {
  93         /* common between rtl818x drivers */
  94         struct rtl818x_csr *map;
  95         const struct rtl818x_rf_ops *rf;
  96         struct ieee80211_vif *vif;
  97
  98         /* The mutex protects the TX loopback state.
  99          * Any attempt to set channels concurrently locks the device.
 100          */
 101         struct mutex conf_mutex;
 102
 103         /* rtl8187 specific */
 104         struct ieee80211_channel channels[14];
 105         struct ieee80211_rate rates[12];
 106         struct ieee80211_supported_band band;
 107         struct usb_device *udev;
 108         u32 rx_conf;
 109         struct usb_anchor anchored;
 110         struct delayed_work work;
 111         struct ieee80211_hw *dev;
 112 #ifdef CONFIG_RTL8187_LEDS
 113         struct rtl8187_led led_radio;
 114         struct rtl8187_led led_tx;
 115         struct rtl8187_led led_rx;
 116         struct delayed_work led_on;
 117         struct delayed_work led_off;
 118 #endif
 119         u16 txpwr_base;
 120         u8 asic_rev;
 121         u8 is_rtl8187b;
 122         enum {
 123                 RTL8187BvB,
 124                 RTL8187BvD,
 125                 RTL8187BvE
 126         } hw_rev;
 127         struct sk_buff_head rx_queue;
 128         u8 signal;
 129         u8 noise;
 130         u8 slot_time;
 131         u8 aifsn[4];
 132         u8 rfkill_mask;
 133         struct {
 134                 __le64 buf;
 135                 struct sk_buff_head queue;
 136         } b_tx_status; /* This queue is used by both -b and non-b devices */
 137         struct mutex io_mutex;
 138         union {
 139                 u8 bits8;
 140                 __le16 bits16;
 141                 __le32 bits32;
 142         } *io_dmabuf;
 143         bool rfkill_off;
 144 };
 145
 146 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 147
 148 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 149                                      u8 *addr, u8 idx)
 150 {
 151         u8 val;
 152
 153         mutex_lock(&priv->io_mutex);
 154         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 155                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 156                         (unsigned long)addr, idx & 0x03,
 157                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 158
 159         val = priv->io_dmabuf->bits8;
 160         mutex_unlock(&priv->io_mutex);
 161
 162         return val;
 163 }
 164
 165 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 166 {
 167         return rtl818x_ioread8_idx(priv, addr, 0);
 168 }
 169
 170 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 171                                        __le16 *addr, u8 idx)
 172 {
 173         __le16 val;
 174
 175         mutex_lock(&priv->io_mutex);
 176         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 177                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 178                         (unsigned long)addr, idx & 0x03,
 179                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 180
 181         val = priv->io_dmabuf->bits16;
 182         mutex_unlock(&priv->io_mutex);
 183
 184         return le16_to_cpu(val);
 185 }
 186
 187 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 188 {
 189         return rtl818x_ioread16_idx(priv, addr, 0);
 190 }
 191
 192 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 193                                        __le32 *addr, u8 idx)
 194 {
 195         __le32 val;
 196
 197         mutex_lock(&priv->io_mutex);
 198         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 199                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 200                         (unsigned long)addr, idx & 0x03,
 201                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 202
 203         val = priv->io_dmabuf->bits32;
 204         mutex_unlock(&priv->io_mutex);
 205
 206         return le32_to_cpu(val);
 207 }
 208
 209 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 210 {
 211         return rtl818x_ioread32_idx(priv, addr, 0);
 212 }
 213
 214 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 215                                         u8 *addr, u8 val, u8 idx)
 216 {
 217         mutex_lock(&priv->io_mutex);
 218
 219         priv->io_dmabuf->bits8 = val;
 220         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 221                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 222                         (unsigned long)addr, idx & 0x03,
 223                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 224
 225         mutex_unlock(&priv->io_mutex);
 226 }
 227
 228 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 229 {
 230         rtl818x_iowrite8_idx(priv, addr, val, 0);
 231 }
 232
 233 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 234                                          __le16 *addr, u16 val, u8 idx)
 235 {
 236         mutex_lock(&priv->io_mutex);
 237
 238         priv->io_dmabuf->bits16 = cpu_to_le16(val);
 239         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 240                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 241                         (unsigned long)addr, idx & 0x03,
 242                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 243
 244         mutex_unlock(&priv->io_mutex);
 245 }
 246
 247 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 248                                      u16 val)
 249 {
 250         rtl818x_iowrite16_idx(priv, addr, val, 0);
 251 }
 252
 253 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 254                                          __le32 *addr, u32 val, u8 idx)
 255 {
 256         mutex_lock(&priv->io_mutex);
 257
 258         priv->io_dmabuf->bits32 = cpu_to_le32(val);
 259         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 260                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 261                         (unsigned long)addr, idx & 0x03,
 262                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 263
 264         mutex_unlock(&priv->io_mutex);
 265 }
 266
 267 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 268                                      u32 val)
 269 {
 270         rtl818x_iowrite32_idx(priv, addr, val, 0);
 271 }
 272
 273 #endif /* RTL8187_H */