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