drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8187.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Definitions for RTL8187 hardware
   4  *
   5  * Copyright 2007 Michael Wu <flamingice@sourmilk.net>
   6  * Copyright 2007 Andrea Merello <andrea.merello@gmail.com>
   7  *
   8  * Based on the r8187 driver, which is:
   9  * Copyright 2005 Andrea Merello <andrea.merello@gmail.com>, et al.
  10  */
  11
  12 #ifndef RTL8187_H
  13 #define RTL8187_H
  14
  15 #include <linux/cache.h>
  16
  17 #include "rtl818x.h"
  18 #include "leds.h"
  19
  20 #define RTL8187_EEPROM_TXPWR_BASE       0x05
  21 #define RTL8187_EEPROM_MAC_ADDR         0x07
  22 #define RTL8187_EEPROM_TXPWR_CHAN_1     0x16    /* 3 channels */
  23 #define RTL8187_EEPROM_TXPWR_CHAN_6     0x1B    /* 2 channels */
  24 #define RTL8187_EEPROM_TXPWR_CHAN_4     0x3D    /* 2 channels */
  25 #define RTL8187_EEPROM_SELECT_GPIO      0x3B
  26
  27 #define RTL8187_REQT_READ       0xC0
  28 #define RTL8187_REQT_WRITE      0x40
  29 #define RTL8187_REQ_GET_REG     0x05
  30 #define RTL8187_REQ_SET_REG     0x05
  31
  32 #define RTL8187_MAX_RX          0x9C4
  33
  34 #define RFKILL_MASK_8187_89_97  0x2
  35 #define RFKILL_MASK_8198        0x4
  36
  37 #define RETRY_COUNT             7
  38
  39 struct rtl8187_rx_info {
  40         struct urb *urb;
  41         struct ieee80211_hw *dev;
  42 };
  43
  44 struct rtl8187_rx_hdr {
  45         __le32 flags;
  46         u8 noise;
  47         u8 signal;
  48         u8 agc;
  49         u8 reserved;
  50         __le64 mac_time;
  51 } __packed;
  52
  53 struct rtl8187b_rx_hdr {
  54         __le32 flags;
  55         __le64 mac_time;
  56         u8 sq;
  57         u8 rssi;
  58         u8 agc;
  59         u8 flags2;
  60         __le16 snr_long2end;
  61         s8 pwdb_g12;
  62         u8 fot;
  63 } __packed;
  64
  65 /* {rtl8187,rtl8187b}_tx_info is in skb */
  66
  67 struct rtl8187_tx_hdr {
  68         __le32 flags;
  69         __le16 rts_duration;
  70         __le16 len;
  71         __le32 retry;
  72 } __packed;
  73
  74 struct rtl8187b_tx_hdr {
  75         __le32 flags;
  76         __le16 rts_duration;
  77         __le16 len;
  78         __le32 unused_1;
  79         __le16 unused_2;
  80         __le16 tx_duration;
  81         __le32 unused_3;
  82         __le32 retry;
  83         __le32 unused_4[2];
  84 } __packed;
  85
  86 enum {
  87         DEVICE_RTL8187,
  88         DEVICE_RTL8187B
  89 };
  90
  91 struct rtl8187_vif {
  92         struct ieee80211_hw *dev;
  93
  94         /* beaconing */
  95         struct delayed_work beacon_work;
  96         bool enable_beacon;
  97 };
  98
  99 struct rtl8187_priv {
 100         /* common between rtl818x drivers */
 101         struct rtl818x_csr *map;
 102         const struct rtl818x_rf_ops *rf;
 103         struct ieee80211_vif *vif;
 104
 105         /* The mutex protects the TX loopback state.
 106          * Any attempt to set channels concurrently locks the device.
 107          */
 108         struct mutex conf_mutex;
 109
 110         /* rtl8187 specific */
 111         struct ieee80211_channel channels[14];
 112         struct ieee80211_rate rates[12];
 113         struct ieee80211_supported_band band;
 114         struct usb_device *udev;
 115         u32 rx_conf;
 116         struct usb_anchor anchored;
 117         struct delayed_work work;
 118         struct ieee80211_hw *dev;
 119 #ifdef CONFIG_RTL8187_LEDS
 120         struct rtl8187_led led_radio;
 121         struct rtl8187_led led_tx;
 122         struct rtl8187_led led_rx;
 123         struct delayed_work led_on;
 124         struct delayed_work led_off;
 125 #endif
 126         u16 txpwr_base;
 127         u8 asic_rev;
 128         u8 is_rtl8187b;
 129         enum {
 130                 RTL8187BvB,
 131                 RTL8187BvD,
 132                 RTL8187BvE
 133         } hw_rev;
 134         struct sk_buff_head rx_queue;
 135         u8 signal;
 136         u8 noise;
 137         u8 slot_time;
 138         u8 aifsn[4];
 139         u8 rfkill_mask;
 140         struct {
 141                 union {
 142                         __le64 buf;
 143                         u8 dummy1[L1_CACHE_BYTES];
 144                 } ____cacheline_aligned;
 145                 struct sk_buff_head queue;
 146         } b_tx_status; /* This queue is used by both -b and non-b devices */
 147         struct mutex io_mutex;
 148         union {
 149                 u8 bits8;
 150                 __le16 bits16;
 151                 __le32 bits32;
 152                 u8 dummy2[L1_CACHE_BYTES];
 153         } *io_dmabuf ____cacheline_aligned;
 154         bool rfkill_off;
 155         u16 seqno;
 156 };
 157
 158 void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 159
 160 u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 161                                 u8 *addr, u8 idx);
 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 u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 169                                 __le16 *addr, u8 idx);
 170
 171 static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 172 {
 173         return rtl818x_ioread16_idx(priv, addr, 0);
 174 }
 175
 176 u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 177                                 __le32 *addr, u8 idx);
 178
 179 static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 180 {
 181         return rtl818x_ioread32_idx(priv, addr, 0);
 182 }
 183
 184 void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 185                                 u8 *addr, u8 val, u8 idx);
 186
 187 static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 188 {
 189         rtl818x_iowrite8_idx(priv, addr, val, 0);
 190 }
 191
 192 void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 193                                 __le16 *addr, u16 val, u8 idx);
 194
 195 static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 196                                      u16 val)
 197 {
 198         rtl818x_iowrite16_idx(priv, addr, val, 0);
 199 }
 200
 201 void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 202                                 __le32 *addr, u32 val, u8 idx);
 203
 204 static inline void rtl818x_iowrite32(struct rtl8187_priv *priv, __le32 *addr,
 205                                      u32 val)
 206 {
 207         rtl818x_iowrite32_idx(priv, addr, val, 0);
 208 }
 209
 210 #endif /* RTL8187_H */