drivers/net/wireless/p54/p54.h

   1 #ifndef P54_H
   2 #define P54_H
   3
   4 /*
   5  * Shared defines for all mac80211 Prism54 code
   6  *
   7  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   8  *
   9  * Based on the islsm (softmac prism54) driver, which is:
  10  * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 enum p54_control_frame_types {
  18         P54_CONTROL_TYPE_SETUP = 0,
  19         P54_CONTROL_TYPE_SCAN,
  20         P54_CONTROL_TYPE_TRAP,
  21         P54_CONTROL_TYPE_DCFINIT,
  22         P54_CONTROL_TYPE_RX_KEYCACHE,
  23         P54_CONTROL_TYPE_TIM,
  24         P54_CONTROL_TYPE_PSM,
  25         P54_CONTROL_TYPE_TXCANCEL,
  26         P54_CONTROL_TYPE_TXDONE,
  27         P54_CONTROL_TYPE_BURST,
  28         P54_CONTROL_TYPE_STAT_READBACK,
  29         P54_CONTROL_TYPE_BBP,
  30         P54_CONTROL_TYPE_EEPROM_READBACK,
  31         P54_CONTROL_TYPE_LED,
  32         P54_CONTROL_TYPE_GPIO,
  33         P54_CONTROL_TYPE_TIMER,
  34         P54_CONTROL_TYPE_MODULATION,
  35         P54_CONTROL_TYPE_SYNTH_CONFIG,
  36         P54_CONTROL_TYPE_DETECTOR_VALUE,
  37         P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
  38         P54_CONTROL_TYPE_CCE_QUIET,
  39         P54_CONTROL_TYPE_PSM_STA_UNLOCK,
  40         P54_CONTROL_TYPE_PCS,
  41         P54_CONTROL_TYPE_BT_BALANCER = 28,
  42         P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
  43         P54_CONTROL_TYPE_ARPTABLE = 31,
  44         P54_CONTROL_TYPE_BT_OPTIONS = 35
  45 };
  46
  47 /* provide 16 bytes for the transport back-end */
  48 #define P54_TX_INFO_DATA_SIZE           16
  49
  50 /* stored in ieee80211_tx_info's rate_driver_data */
  51 struct p54_tx_info {
  52         u32 start_addr;
  53         u32 end_addr;
  54         void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];
  55 };
  56
  57 #define P54_MAX_CTRL_FRAME_LEN          0x1000
  58
  59 #define P54_HDR_FLAG_CONTROL            BIT(15)
  60 #define P54_HDR_FLAG_CONTROL_OPSET      (BIT(15) + BIT(0))
  61
  62 struct p54_hdr {
  63         __le16 flags;
  64         __le16 len;
  65         __le32 req_id;
  66         __le16 type;    /* enum p54_control_frame_types */
  67         u8 rts_tries;
  68         u8 tries;
  69         u8 data[0];
  70 } __attribute__ ((packed));
  71
  72 #define FREE_AFTER_TX(skb)                                              \
  73         ((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->         \
  74         flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))
  75
  76 struct p54_edcf_queue_param {
  77         __le16 aifs;
  78         __le16 cwmin;
  79         __le16 cwmax;
  80         __le16 txop;
  81 } __attribute__ ((packed));
  82
  83 struct p54_rssi_linear_approximation {
  84         s16 mul;
  85         s16 add;
  86         s16 longbow_unkn;
  87         s16 longbow_unk2;
  88 };
  89
  90 struct p54_cal_database {
  91         size_t entries;
  92         size_t entry_size;
  93         size_t offset;
  94         size_t len;
  95         u8 data[0];
  96 };
  97
  98 #define EEPROM_READBACK_LEN 0x3fc
  99
 100 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
 101
 102 #define FW_FMAC 0x464d4143
 103 #define FW_LM86 0x4c4d3836
 104 #define FW_LM87 0x4c4d3837
 105 #define FW_LM20 0x4c4d3230
 106
 107 enum fw_state {
 108         FW_STATE_OFF,
 109         FW_STATE_BOOTING,
 110         FW_STATE_READY,
 111         FW_STATE_RESET,
 112         FW_STATE_RESETTING,
 113 };
 114
 115 struct p54_common {
 116         struct ieee80211_hw *hw;
 117         u32 rx_start;
 118         u32 rx_end;
 119         struct sk_buff_head tx_queue;
 120         void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
 121         int (*open)(struct ieee80211_hw *dev);
 122         void (*stop)(struct ieee80211_hw *dev);
 123         int mode;
 124         u16 rx_mtu;
 125         u8 headroom;
 126         u8 tailroom;
 127         struct mutex conf_mutex;
 128         u8 mac_addr[ETH_ALEN];
 129         u8 bssid[ETH_ALEN];
 130         u8 rx_diversity_mask;
 131         u8 tx_diversity_mask;
 132         struct pda_iq_autocal_entry *iq_autocal;
 133         unsigned int iq_autocal_len;
 134         struct p54_cal_database *output_limit;
 135         struct p54_cal_database *curve_data;
 136         struct p54_rssi_linear_approximation rssical_db[IEEE80211_NUM_BANDS];
 137         unsigned int filter_flags;
 138         bool use_short_slot;
 139         u16 rxhw;
 140         u8 version;
 141         unsigned int tx_hdr_len;
 142         unsigned int fw_var;
 143         unsigned int fw_interface;
 144         unsigned int output_power;
 145         u32 tsf_low32;
 146         u32 tsf_high32;
 147         u32 basic_rate_mask;
 148         u16 wakeup_timer;
 149         u16 aid;
 150         struct ieee80211_tx_queue_stats tx_stats[8];
 151         struct p54_edcf_queue_param qos_params[8];
 152         struct ieee80211_low_level_stats stats;
 153         struct delayed_work work;
 154         struct sk_buff *cached_beacon;
 155         int noise;
 156         void *eeprom;
 157         struct completion eeprom_comp;
 158         u8 privacy_caps;
 159         u8 rx_keycache_size;
 160 };
 161
 162 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
 163 void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
 164 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
 165 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
 166 int p54_read_eeprom(struct ieee80211_hw *dev);
 167 struct ieee80211_hw *p54_init_common(size_t priv_data_len);
 168 void p54_free_common(struct ieee80211_hw *dev);
 169
 170 #endif /* P54_H */