linux/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h
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   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
  40struct rtl8187_rx_info {
  41        struct urb *urb;
  42        struct ieee80211_hw *dev;
  43};
  44
  45struct 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
  54struct 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
  68struct rtl8187_tx_hdr {
  69        __le32 flags;
  70        __le16 rts_duration;
  71        __le16 len;
  72        __le32 retry;
  73} __packed;
  74
  75struct 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
  87enum {
  88        DEVICE_RTL8187,
  89        DEVICE_RTL8187B
  90};
  91
  92struct rtl8187_vif {
  93        struct ieee80211_hw *dev;
  94
  95        /* beaconing */
  96        struct delayed_work beacon_work;
  97        bool enable_beacon;
  98};
  99
 100struct 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
 155void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 156
 157static 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
 174static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 175{
 176        return rtl818x_ioread8_idx(priv, addr, 0);
 177}
 178
 179static 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
 196static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 197{
 198        return rtl818x_ioread16_idx(priv, addr, 0);
 199}
 200
 201static 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
 218static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 219{
 220        return rtl818x_ioread32_idx(priv, addr, 0);
 221}
 222
 223static 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
 237static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 238{
 239        rtl818x_iowrite8_idx(priv, addr, val, 0);
 240}
 241
 242static 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
 256static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 257                                     u16 val)
 258{
 259        rtl818x_iowrite16_idx(priv, addr, val, 0);
 260}
 261
 262static 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
 276static 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 */
 283
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.