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 #ifdef CONFIG_P54_LEDS
  18 #include <linux/leds.h>
  19 #endif /* CONFIG_P54_LEDS */
  20
  21 enum p54_control_frame_types {
  22         P54_CONTROL_TYPE_SETUP = 0,
  23         P54_CONTROL_TYPE_SCAN,
  24         P54_CONTROL_TYPE_TRAP,
  25         P54_CONTROL_TYPE_DCFINIT,
  26         P54_CONTROL_TYPE_RX_KEYCACHE,
  27         P54_CONTROL_TYPE_TIM,
  28         P54_CONTROL_TYPE_PSM,
  29         P54_CONTROL_TYPE_TXCANCEL,
  30         P54_CONTROL_TYPE_TXDONE,
  31         P54_CONTROL_TYPE_BURST,
  32         P54_CONTROL_TYPE_STAT_READBACK,
  33         P54_CONTROL_TYPE_BBP,
  34         P54_CONTROL_TYPE_EEPROM_READBACK,
  35         P54_CONTROL_TYPE_LED,
  36         P54_CONTROL_TYPE_GPIO,
  37         P54_CONTROL_TYPE_TIMER,
  38         P54_CONTROL_TYPE_MODULATION,
  39         P54_CONTROL_TYPE_SYNTH_CONFIG,
  40         P54_CONTROL_TYPE_DETECTOR_VALUE,
  41         P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
  42         P54_CONTROL_TYPE_CCE_QUIET,
  43         P54_CONTROL_TYPE_PSM_STA_UNLOCK,
  44         P54_CONTROL_TYPE_PCS,
  45         P54_CONTROL_TYPE_BT_BALANCER = 28,
  46         P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
  47         P54_CONTROL_TYPE_ARPTABLE = 31,
  48         P54_CONTROL_TYPE_BT_OPTIONS = 35
  49 };
  50
  51 /* provide 16 bytes for the transport back-end */
  52 #define P54_TX_INFO_DATA_SIZE           16
  53
  54 /* stored in ieee80211_tx_info's rate_driver_data */
  55 struct p54_tx_info {
  56         u32 start_addr;
  57         u32 end_addr;
  58         void *data[P54_TX_INFO_DATA_SIZE / sizeof(void *)];
  59 };
  60
  61 #define P54_MAX_CTRL_FRAME_LEN          0x1000
  62
  63 #define P54_HDR_FLAG_CONTROL            BIT(15)
  64 #define P54_HDR_FLAG_CONTROL_OPSET      (BIT(15) + BIT(0))
  65
  66 struct p54_hdr {
  67         __le16 flags;
  68         __le16 len;
  69         __le32 req_id;
  70         __le16 type;    /* enum p54_control_frame_types */
  71         u8 rts_tries;
  72         u8 tries;
  73         u8 data[0];
  74 } __attribute__ ((packed));
  75
  76 #define FREE_AFTER_TX(skb)                                              \
  77         ((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->         \
  78         flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))
  79
  80 struct p54_edcf_queue_param {
  81         __le16 aifs;
  82         __le16 cwmin;
  83         __le16 cwmax;
  84         __le16 txop;
  85 } __attribute__ ((packed));
  86
  87 struct p54_rssi_linear_approximation {
  88         s16 mul;
  89         s16 add;
  90         s16 longbow_unkn;
  91         s16 longbow_unk2;
  92 };
  93
  94 struct p54_cal_database {
  95         size_t entries;
  96         size_t entry_size;
  97         size_t offset;
  98         size_t len;
  99         u8 data[0];
 100 };
 101
 102 #define EEPROM_READBACK_LEN 0x3fc
 103
 104 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
 105
 106 #define FW_FMAC 0x464d4143
 107 #define FW_LM86 0x4c4d3836
 108 #define FW_LM87 0x4c4d3837
 109 #define FW_LM20 0x4c4d3230
 110
 111 enum fw_state {
 112         FW_STATE_OFF,
 113         FW_STATE_BOOTING,
 114         FW_STATE_READY,
 115         FW_STATE_RESET,
 116         FW_STATE_RESETTING,
 117 };
 118
 119 #ifdef CONFIG_P54_LEDS
 120
 121 #define P54_LED_MAX_NAME_LEN 31
 122
 123 struct p54_led_dev {
 124         struct ieee80211_hw *hw_dev;
 125         struct led_classdev led_dev;
 126         char name[P54_LED_MAX_NAME_LEN + 1];
 127
 128         unsigned int toggled;
 129         unsigned int index;
 130         unsigned int registered;
 131 };
 132
 133 #endif /* CONFIG_P54_LEDS */
 134
 135 struct p54_common {
 136         struct ieee80211_hw *hw;
 137         struct ieee80211_vif *vif;
 138         void (*tx)(struct ieee80211_hw *dev, struct sk_buff *skb);
 139         int (*open)(struct ieee80211_hw *dev);
 140         void (*stop)(struct ieee80211_hw *dev);
 141         struct sk_buff_head tx_queue;
 142         struct mutex conf_mutex;
 143
 144         /* memory management (as seen by the firmware) */
 145         u32 rx_start;
 146         u32 rx_end;
 147         u16 rx_mtu;
 148         u8 headroom;
 149         u8 tailroom;
 150
 151         /* firmware/hardware info */
 152         unsigned int tx_hdr_len;
 153         unsigned int fw_var;
 154         unsigned int fw_interface;
 155         u8 version;
 156
 157         /* (e)DCF / QOS state */
 158         bool use_short_slot;
 159         struct ieee80211_tx_queue_stats tx_stats[8];
 160         struct p54_edcf_queue_param qos_params[8];
 161
 162         /* Radio data */
 163         u16 rxhw;
 164         u8 rx_diversity_mask;
 165         u8 tx_diversity_mask;
 166         unsigned int output_power;
 167         int noise;
 168         /* calibration, output power limit and rssi<->dBm conversation data */
 169         struct pda_iq_autocal_entry *iq_autocal;
 170         unsigned int iq_autocal_len;
 171         struct p54_cal_database *curve_data;
 172         struct p54_cal_database *output_limit;
 173         struct p54_rssi_linear_approximation rssical_db[IEEE80211_NUM_BANDS];
 174
 175         /* BBP/MAC state */
 176         u8 mac_addr[ETH_ALEN];
 177         u8 bssid[ETH_ALEN];
 178         u16 wakeup_timer;
 179         unsigned int filter_flags;
 180         int mode;
 181         u32 tsf_low32, tsf_high32;
 182         u32 basic_rate_mask;
 183         u16 aid;
 184         struct sk_buff *cached_beacon;
 185
 186         /* cryptographic engine information */
 187         u8 privacy_caps;
 188         u8 rx_keycache_size;
 189         unsigned long *used_rxkeys;
 190
 191         /* LED management */
 192 #ifdef CONFIG_P54_LEDS
 193         struct p54_led_dev leds[4];
 194         struct delayed_work led_work;
 195 #endif /* CONFIG_P54_LEDS */
 196         u16 softled_state;              /* bit field of glowing LEDs */
 197
 198         /* statistics */
 199         struct ieee80211_low_level_stats stats;
 200         struct delayed_work work;
 201
 202         /* eeprom handling */
 203         void *eeprom;
 204         struct completion eeprom_comp;
 205 };
 206
 207 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
 208 void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb);
 209 int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
 210 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
 211 int p54_read_eeprom(struct ieee80211_hw *dev);
 212 struct ieee80211_hw *p54_init_common(size_t priv_data_len);
 213 int p54_register_common(struct ieee80211_hw *dev, struct device *pdev);
 214 void p54_free_common(struct ieee80211_hw *dev);
 215
 216 #endif /* P54_H */