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 <andrea.merello@gmail.com>
   6  *
   7  * Based on the r8187 driver, which is:
   8  * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, 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_vif {
  93         struct ieee80211_hw *dev;
  94
  95         /* beaconing */
  96         struct delayed_work beacon_work;
  97         bool enable_beacon;
  98 };
  99
 100 struct rtl8187_priv {
 101         /* common between rtl818x drivers */
 102         struct rtl818x_csr *map;
 103         const struct rtl818x_rf_ops *rf;
 104         struct ieee80211_vif *vif;
 105
 106         /* The mutex protects the TX loopback state.
 107          * Any attempt to set channels concurrently locks the device.
 108          */
 109         struct mutex conf_mutex;
 110
 111         /* rtl8187 specific */
 112         struct ieee80211_channel channels[14];
 113         struct ieee80211_rate rates[12];
 114         struct ieee80211_supported_band band;
 115         struct usb_device *udev;
 116         u32 rx_conf;
 117         struct usb_anchor anchored;
 118         struct delayed_work work;
 119         struct ieee80211_hw *dev;
 120 #ifdef CONFIG_RTL8187_LEDS
 121         struct rtl8187_led led_radio;
 122         struct rtl8187_led led_tx;
 123         struct rtl8187_led led_rx;
 124         struct delayed_work led_on;
 125         struct delayed_work led_off;
 126 #endif
 127         u16 txpwr_base;
 128         u8 asic_rev;
 129         u8 is_rtl8187b;
 130         enum {
 131                 RTL8187BvB,
 132                 RTL8187BvD,
 133                 RTL8187BvE
 134         } hw_rev;
 135         struct sk_buff_head rx_queue;
 136         u8 signal;
 137         u8 noise;
 138         u8 slot_time;
 139         u8 aifsn[4];
 140         u8 rfkill_mask;
 141         struct {
 142                 __le64 buf;
 143                 struct sk_buff_head queue;
 144         } b_tx_status; /* This queue is used by both -b and non-b devices */
 145         struct mutex io_mutex;
 146         union {
 147                 u8 bits8;
 148                 __le16 bits16;
 149                 __le32 bits32;
 150         } *io_dmabuf;
 151         bool rfkill_off;
 152         u16 seqno;
 153 };
 154
 155 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 156
 157 static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 158                                      u8 *addr, u8 idx)
 159 {
 160         u8 val;
 161
 162         mutex_lock(&priv->io_mutex);
 163         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 164                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 165                         (unsigned long)addr, idx & 0x03,
 166                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 167
 168         val = priv->io_dmabuf->bits8;
 169         mutex_unlock(&priv->io_mutex);
 170
 171         return val;
 172 }
 173
 174 static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 175 {
 176         return rtl818x_ioread8_idx(priv, addr, 0);
 177 }
 178
 179 static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 180                                        __le16 *addr, u8 idx)
 181 {
 182         __le16 val;
 183
 184         mutex_lock(&priv->io_mutex);
 185         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 186                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 187                         (unsigned long)addr, idx & 0x03,
 188                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 189
 190         val = priv->io_dmabuf->bits16;
 191         mutex_unlock(&priv->io_mutex);
 192
 193         return le16_to_cpu(val);
 194 }
 195
 196 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 197 {
 198         return rtl818x_ioread16_idx(priv, addr, 0);
 199 }
 200
 201 static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 202                                        __le32 *addr, u8 idx)
 203 {
 204         __le32 val;
 205
 206         mutex_lock(&priv->io_mutex);
 207         usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 208                         RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 209                         (unsigned long)addr, idx & 0x03,
 210                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 211
 212         val = priv->io_dmabuf->bits32;
 213         mutex_unlock(&priv->io_mutex);
 214
 215         return le32_to_cpu(val);
 216 }
 217
 218 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 219 {
 220         return rtl818x_ioread32_idx(priv, addr, 0);
 221 }
 222
 223 static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 224                                         u8 *addr, u8 val, u8 idx)
 225 {
 226         mutex_lock(&priv->io_mutex);
 227
 228         priv->io_dmabuf->bits8 = val;
 229         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 230                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 231                         (unsigned long)addr, idx & 0x03,
 232                         &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 233
 234         mutex_unlock(&priv->io_mutex);
 235 }
 236
 237 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 238 {
 239         rtl818x_iowrite8_idx(priv, addr, val, 0);
 240 }
 241
 242 static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 243                                          __le16 *addr, u16 val, u8 idx)
 244 {
 245         mutex_lock(&priv->io_mutex);
 246
 247         priv->io_dmabuf->bits16 = cpu_to_le16(val);
 248         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 249                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 250                         (unsigned long)addr, idx & 0x03,
 251                         &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 252
 253         mutex_unlock(&priv->io_mutex);
 254 }
 255
 256 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 257                                      u16 val)
 258 {
 259         rtl818x_iowrite16_idx(priv, addr, val, 0);
 260 }
 261
 262 static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 263                                          __le32 *addr, u32 val, u8 idx)
 264 {
 265         mutex_lock(&priv->io_mutex);
 266
 267         priv->io_dmabuf->bits32 = cpu_to_le32(val);
 268         usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 269                         RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 270                         (unsigned long)addr, idx & 0x03,
 271                         &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 272
 273         mutex_unlock(&priv->io_mutex);
 274 }
 275
 276 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 277                                      u32 val)
 278 {
 279         rtl818x_iowrite32_idx(priv, addr, val, 0);
 280 }
 281
 282 #endif /* RTL8187_H */