LXR linux/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
  39struct rtl8187_rx_info {
  40        struct urb *urb;
  41        struct ieee80211_hw *dev;
  42};
  43
  44struct 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
  53struct 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
  67struct rtl8187_tx_hdr {
  68        __le32 flags;
  69        __le16 rts_duration;
  70        __le16 len;
  71        __le32 retry;
  72} __packed;
  73
  74struct 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
  86enum {
  87        DEVICE_RTL8187,
  88        DEVICE_RTL8187B
  89};
  90
  91struct rtl8187_vif {
  92        struct ieee80211_hw *dev;
  93
  94        /* beaconing */
  95        struct delayed_work beacon_work;
  96        bool enable_beacon;
  97};
  98
  99struct 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
 158void rtl8187_write_phy(struct ieee80211_hw *dev, u8 addr, u32 data);
 159
 160u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv,
 161                                u8 *addr, u8 idx);
 162
 163static inline u8 rtl818x_ioread8(struct rtl8187_priv *priv, u8 *addr)
 164{
 165        return rtl818x_ioread8_idx(priv, addr, 0);
 166}
 167
 168u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv,
 169                                __le16 *addr, u8 idx);
 170
 171static inline u16 rtl818x_ioread16(struct rtl8187_priv *priv, __le16 *addr)
 172{
 173        return rtl818x_ioread16_idx(priv, addr, 0);
 174}
 175
 176u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv,
 177                                __le32 *addr, u8 idx);
 178
 179static inline u32 rtl818x_ioread32(struct rtl8187_priv *priv, __le32 *addr)
 180{
 181        return rtl818x_ioread32_idx(priv, addr, 0);
 182}
 183
 184void rtl818x_iowrite8_idx(struct rtl8187_priv *priv,
 185                                u8 *addr, u8 val, u8 idx);
 186
 187static inline void rtl818x_iowrite8(struct rtl8187_priv *priv, u8 *addr, u8 val)
 188{
 189        rtl818x_iowrite8_idx(priv, addr, val, 0);
 190}
 191
 192void rtl818x_iowrite16_idx(struct rtl8187_priv *priv,
 193                                __le16 *addr, u16 val, u8 idx);
 194
 195static inline void rtl818x_iowrite16(struct rtl8187_priv *priv, __le16 *addr,
 196                                     u16 val)
 197{
 198        rtl818x_iowrite16_idx(priv, addr, val, 0);
 199}
 200
 201void rtl818x_iowrite32_idx(struct rtl8187_priv *priv,
 202                                __le32 *addr, u32 val, u8 idx);
 203
 204static 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 */
 211