linux/drivers/net/wireless/realtek/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 <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 <linux/cache.h>
  19
  20#include "rtl818x.h"
  21#include "leds.h"
  22
  23#define RTL8187_EEPROM_TXPWR_BASE       0x05
  24#define RTL8187_EEPROM_MAC_ADDR         0x07
  25#define RTL8187_EEPROM_TXPWR_CHAN_1     0x16    /* 3 channels */
  26#define RTL8187_EEPROM_TXPWR_CHAN_6     0x1B    /* 2 channels */
  27#define RTL8187_EEPROM_TXPWR_CHAN_4     0x3D    /* 2 channels */
  28#define RTL8187_EEPROM_SELECT_GPIO      0x3B
  29
  30#define RTL8187_REQT_READ       0xC0
  31#define RTL8187_REQT_WRITE      0x40
  32#define RTL8187_REQ_GET_REG     0x05
  33#define RTL8187_REQ_SET_REG     0x05
  34
  35#define RTL8187_MAX_RX          0x9C4
  36
  37#define RFKILL_MASK_8187_89_97  0x2
  38#define RFKILL_MASK_8198        0x4
  39
  40#define RETRY_COUNT             7
  41
  42struct rtl8187_rx_info {
  43        struct urb *urb;
  44        struct ieee80211_hw *dev;
  45};
  46
  47struct rtl8187_rx_hdr {
  48        __le32 flags;
  49        u8 noise;
  50        u8 signal;
  51        u8 agc;
  52        u8 reserved;
  53        __le64 mac_time;
  54} __packed;
  55
  56struct rtl8187b_rx_hdr {
  57        __le32 flags;
  58        __le64 mac_time;
  59        u8 sq;
  60        u8 rssi;
  61        u8 agc;
  62        u8 flags2;
  63        __le16 snr_long2end;
  64        s8 pwdb_g12;
  65        u8 fot;
  66} __packed;
  67
  68/* {rtl8187,rtl8187b}_tx_info is in skb */
  69
  70struct rtl8187_tx_hdr {
  71        __le32 flags;
  72        __le16 rts_duration;
  73        __le16 len;
  74        __le32 retry;
  75} __packed;
  76
  77struct rtl8187b_tx_hdr {
  78        __le32 flags;
  79        __le16 rts_duration;
  80        __le16 len;
  81        __le32 unused_1;
  82        __le16 unused_2;
  83        __le16 tx_duration;
  84        __le32 unused_3;
  85        __le32 retry;
  86        __le32 unused_4[2];
  87} __packed;
  88
  89enum {
  90        DEVICE_RTL8187,
  91        DEVICE_RTL8187B
  92};
  93
  94struct rtl8187_vif {
  95        struct ieee80211_hw *dev;
  96
  97        /* beaconing */
  98        struct delayed_work beacon_work;
  99        bool enable_beacon;
 100};
 101
 102struct rtl8187_priv {
 103        /* common between rtl818x drivers */
 104        struct rtl818x_csr *map;
 105        const struct rtl818x_rf_ops *rf;
 106        struct ieee80211_vif *vif;
 107
 108        /* The mutex protects the TX loopback state.
 109         * Any attempt to set channels concurrently locks the device.
 110         */
 111        struct mutex conf_mutex;
 112
 113        /* rtl8187 specific */
 114        struct ieee80211_channel channels[14];
 115        struct ieee80211_rate rates[12];
 116        struct ieee80211_supported_band band;
 117        struct usb_device *udev;
 118        u32 rx_conf;
 119        struct usb_anchor anchored;
 120        struct delayed_work work;
 121        struct ieee80211_hw *dev;
 122#ifdef CONFIG_RTL8187_LEDS
 123        struct rtl8187_led led_radio;
 124        struct rtl8187_led led_tx;
 125        struct rtl8187_led led_rx;
 126        struct delayed_work led_on;
 127        struct delayed_work led_off;
 128#endif
 129        u16 txpwr_base;
 130        u8 asic_rev;
 131        u8 is_rtl8187b;
 132        enum {
 133                RTL8187BvB,
 134                RTL8187BvD,
 135                RTL8187BvE
 136        } hw_rev;
 137        struct sk_buff_head rx_queue;
 138        u8 signal;
 139        u8 noise;
 140        u8 slot_time;
 141        u8 aifsn[4];
 142        u8 rfkill_mask;
 143        struct {
 144                union {
 145                        __le64 buf;
 146                        u8 dummy1[L1_CACHE_BYTES];
 147                } ____cacheline_aligned;
 148                struct sk_buff_head queue;
 149        } b_tx_status; /* This queue is used by both -b and non-b devices */
 150        struct mutex io_mutex;
 151        union {
 152                u8 bits8;
 153                __le16 bits16;
 154                __le32 bits32;
 155                u8 dummy2[L1_CACHE_BYTES];
 156        } *io_dmabuf ____cacheline_aligned;
 157        bool rfkill_off;
 158        u16 seqno;
 159};
 160
 161void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 162
 163static inline u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 164                                     u8 *addr, u8 idx)
 165{
 166        u8 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->bits8, sizeof(val), HZ / 2);
 173
 174        val = priv->io_dmabuf->bits8;
 175        mutex_unlock(&priv->io_mutex);
 176
 177        return val;
 178}
 179
 180static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 181{
 182        return rtl818x_ioread8_idx(priv, addr, 0);
 183}
 184
 185static inline u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 186                                       __le16 *addr, u8 idx)
 187{
 188        __le16 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->bits16, sizeof(val), HZ / 2);
 195
 196        val = priv->io_dmabuf->bits16;
 197        mutex_unlock(&priv->io_mutex);
 198
 199        return le16_to_cpu(val);
 200}
 201
 202static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 203{
 204        return rtl818x_ioread16_idx(priv, addr, 0);
 205}
 206
 207static inline u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 208                                       __le32 *addr, u8 idx)
 209{
 210        __le32 val;
 211
 212        mutex_lock(&priv->io_mutex);
 213        usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0),
 214                        RTL8187_REQ_GET_REG, RTL8187_REQT_READ,
 215                        (unsigned long)addr, idx & 0x03,
 216                        &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 217
 218        val = priv->io_dmabuf->bits32;
 219        mutex_unlock(&priv->io_mutex);
 220
 221        return le32_to_cpu(val);
 222}
 223
 224static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 225{
 226        return rtl818x_ioread32_idx(priv, addr, 0);
 227}
 228
 229static inline void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 230                                        u8 *addr, u8 val, u8 idx)
 231{
 232        mutex_lock(&priv->io_mutex);
 233
 234        priv->io_dmabuf->bits8 = val;
 235        usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 236                        RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 237                        (unsigned long)addr, idx & 0x03,
 238                        &priv->io_dmabuf->bits8, sizeof(val), HZ / 2);
 239
 240        mutex_unlock(&priv->io_mutex);
 241}
 242
 243static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 244{
 245        rtl818x_iowrite8_idx(priv, addr, val, 0);
 246}
 247
 248static inline void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 249                                         __le16 *addr, u16 val, u8 idx)
 250{
 251        mutex_lock(&priv->io_mutex);
 252
 253        priv->io_dmabuf->bits16 = cpu_to_le16(val);
 254        usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 255                        RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 256                        (unsigned long)addr, idx & 0x03,
 257                        &priv->io_dmabuf->bits16, sizeof(val), HZ / 2);
 258
 259        mutex_unlock(&priv->io_mutex);
 260}
 261
 262static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 263                                     u16 val)
 264{
 265        rtl818x_iowrite16_idx(priv, addr, val, 0);
 266}
 267
 268static inline void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 269                                         __le32 *addr, u32 val, u8 idx)
 270{
 271        mutex_lock(&priv->io_mutex);
 272
 273        priv->io_dmabuf->bits32 = cpu_to_le32(val);
 274        usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0),
 275                        RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE,
 276                        (unsigned long)addr, idx & 0x03,
 277                        &priv->io_dmabuf->bits32, sizeof(val), HZ / 2);
 278
 279        mutex_unlock(&priv->io_mutex);
 280}
 281
 282static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 283                                     u32 val)
 284{
 285        rtl818x_iowrite32_idx(priv, addr, val, 0);
 286}
 287
 288#endif /* RTL8187_H */
 289
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.