/*
* Copyright (c) 2010 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HTC_H
#define HTC_H
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/firmware.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/leds.h>
#include <linux/slab.h>
#include <net/mac80211.h>
#include "common.h"
#include "htc_hst.h"
#include "hif_usb.h"
#include "wmi.h"
#define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
#define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
#define ATH_DEFAULT_BMISS_LIMIT 10
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
#define TSF_TO_TU(_h, _l) \
((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
extern struct ieee80211_ops ath9k_htc_ops;
extern int htc_modparam_nohwcrypt;
enum htc_phymode {
HTC_MODE_AUTO = 0,
HTC_MODE_11A = 1,
HTC_MODE_11B = 2,
HTC_MODE_11G = 3,
HTC_MODE_FH = 4,
HTC_MODE_TURBO_A = 5,
HTC_MODE_TURBO_G = 6,
HTC_MODE_11NA = 7,
HTC_MODE_11NG = 8
};
enum htc_opmode {
HTC_M_STA = 1,
HTC_M_IBSS = 0,
HTC_M_AHDEMO = 3,
HTC_M_HOSTAP = 6,
HTC_M_MONITOR = 8,
HTC_M_WDS = 2
};
#define ATH9K_HTC_HDRSPACE sizeof(struct htc_frame_hdr)
#define ATH9K_HTC_AMPDU 1
#define ATH9K_HTC_NORMAL 2
#define ATH9K_HTC_TX_CTSONLY 0x1
#define ATH9K_HTC_TX_RTSCTS 0x2
#define ATH9K_HTC_TX_USE_MIN_RATE 0x100
struct tx_frame_hdr {
u8 data_type;
u8 node_idx;
u8 vif_idx;
u8 tidno;
u32 flags; /* ATH9K_HTC_TX_* */
u8 key_type;
u8 keyix;
u8 reserved[26];
} __packed;
struct tx_mgmt_hdr {
u8 node_idx;
u8 vif_idx;
u8 tidno;
u8 flags;
u8 key_type;
u8 keyix;
u16 reserved;
} __packed;
struct tx_beacon_header {
u8 len_changed;
u8 vif_index;
u16 rev;
} __packed;
struct ath9k_htc_target_hw {
u32 flags;
u32 flags_ext;
u32 ampdu_limit;
u8 ampdu_subframes;
u8 tx_chainmask;
u8 tx_chainmask_legacy;
u8 rtscts_ratecode;
u8 protmode;
} __packed;
struct ath9k_htc_cap_target {
u32 flags;
u32 flags_ext;
u32 ampdu_limit;
u8 ampdu_subframes;
u8 tx_chainmask;
u8 tx_chainmask_legacy;
u8 rtscts_ratecode;
u8 protmode;
} __packed;
struct ath9k_htc_target_vif {
u8 index;
u8 des_bssid[ETH_ALEN];
__be32 opmode;
u8 myaddr[ETH_ALEN];
u8 bssid[ETH_ALEN];
u32 flags;
u32 flags_ext;
u16 ps_sta;
__be16 rtsthreshold;
u8 ath_cap;
u8 node;
s8 mcast_rate;
} __packed;
#define ATH_HTC_STA_AUTH 0x0001
#define ATH_HTC_STA_QOS 0x0002
#define ATH_HTC_STA_ERP 0x0004
#define ATH_HTC_STA_HT 0x0008
/* FIXME: UAPSD variables */
struct ath9k_htc_target_sta {
u16 associd;
u16 txpower;
u32 ucastkey;
u8 macaddr[ETH_ALEN];
u8 bssid[ETH_ALEN];
u8 sta_index;
u8 vif_index;
u8 vif_sta;
__be16 flags; /* ATH_HTC_STA_* */
u16 htcap;
u8 valid;
u16 capinfo;
struct ath9k_htc_target_hw *hw;
struct ath9k_htc_target_vif *vif;
u16 txseqmgmt;
u8 is_vif_sta;
u16 maxampdu;
u16 iv16;
u32 iv32;
} __packed;
struct ath9k_htc_target_aggr {
u8 sta_index;
u8 tidno;
u8 aggr_enable;
u8 padding;
} __packed;
#define ATH_HTC_RATE_MAX 30
#define WLAN_RC_DS_FLAG 0x01
#define WLAN_RC_40_FLAG 0x02
#define WLAN_RC_SGI_FLAG 0x04
#define WLAN_RC_HT_FLAG 0x08
struct ath9k_htc_rateset {
u8 rs_nrates;
u8 rs_rates[ATH_HTC_RATE_MAX];
};
struct ath9k_htc_rate {
struct ath9k_htc_rateset legacy_rates;
struct ath9k_htc_rateset ht_rates;
} __packed;
struct ath9k_htc_target_rate {
u8 sta_index;
u8 isnew;
__be32 capflags;
struct ath9k_htc_rate rates;
};
struct ath9k_htc_target_stats {
__be32 tx_shortretry;
__be32 tx_longretry;
__be32 tx_xretries;
__be32 ht_txunaggr_xretry;
__be32 ht_tx_xretries;
} __packed;
struct ath9k_htc_vif {
u8 index;
};
#define ATH9K_HTC_MAX_STA 8
#define ATH9K_HTC_MAX_TID 8
enum tid_aggr_state {
AGGR_STOP = 0,
AGGR_PROGRESS,
AGGR_START,
AGGR_OPERATIONAL
};
struct ath9k_htc_sta {
u8 index;
enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
};
#define ATH9K_HTC_RXBUF 256
#define HTC_RX_FRAME_HEADER_SIZE 40
struct ath9k_htc_rxbuf {
bool in_process;
struct sk_buff *skb;
struct ath_htc_rx_status rxstatus;
struct list_head list;
};
struct ath9k_htc_rx {
int last_rssi; /* FIXME: per-STA */
struct list_head rxbuf;
spinlock_t rxbuflock;
};
struct ath9k_htc_tx_ctl {
u8 type; /* ATH9K_HTC_* */
};
#ifdef CONFIG_ATH9K_HTC_DEBUGFS
#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
struct ath_tx_stats {
u32 buf_queued;
u32 buf_completed;
u32 skb_queued;
u32 skb_completed;
u32 skb_dropped;
u32 queue_stats[WME_NUM_AC];
};
struct ath_rx_stats {
u32 skb_allocated;
u32 skb_completed;
u32 skb_dropped;
};
struct ath9k_debug {
struct dentry *debugfs_phy;
struct dentry *debugfs_tgt_stats;
struct dentry *debugfs_xmit;
struct dentry *debugfs_recv;
struct ath_tx_stats tx_stats;
struct ath_rx_stats rx_stats;
u32 txrate;
};
#else
#define TX_STAT_INC(c) do { } while (0)
#define RX_STAT_INC(c) do { } while (0)
#define TX_QSTAT_INC(c) do { } while (0)
#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
#define ATH_LED_PIN_DEF 1
#define ATH_LED_PIN_9287 8
#define ATH_LED_PIN_9271 15
#define ATH_LED_PIN_7010 12
#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
enum ath_led_type {
ATH_LED_RADIO,
ATH_LED_ASSOC,
ATH_LED_TX,
ATH_LED_RX
};
struct ath_led {
struct ath9k_htc_priv *priv;
struct led_classdev led_cdev;
enum ath_led_type led_type;
struct delayed_work brightness_work;
char name[32];
bool registered;
int brightness;
};
struct htc_beacon_config {
u16 beacon_interval;
u16 listen_interval;
u16 dtim_period;
u16 bmiss_timeout;
u8 dtim_count;
};
#define OP_INVALID BIT(0)
#define OP_SCANNING BIT(1)
#define OP_FULL_RESET BIT(2)
#define OP_LED_ASSOCIATED BIT(3)
#define OP_LED_ON BIT(4)
#define OP_PREAMBLE_SHORT BIT(5)
#define OP_PROTECT_ENABLE BIT(6)
#define OP_ASSOCIATED BIT(7)
#define OP_ENABLE_BEACON BIT(8)
#define OP_LED_DEINIT BIT(9)
#define OP_UNPLUGGED BIT(10)
struct ath9k_htc_priv {
struct device *dev;
struct ieee80211_hw *hw;
struct ath_hw *ah;
struct htc_target *htc;
struct wmi *wmi;
enum htc_endpoint_id wmi_cmd_ep;
enum htc_endpoint_id beacon_ep;
enum htc_endpoint_id cab_ep;
enum htc_endpoint_id uapsd_ep;
enum htc_endpoint_id mgmt_ep;
enum htc_endpoint_id data_be_ep;
enum htc_endpoint_id data_bk_ep;
enum htc_endpoint_id data_vi_ep;
enum htc_endpoint_id data_vo_ep;
u16 op_flags;
u16 curtxpow;
u16 txpowlimit;
u16 nvifs;
u16 nstations;
u16 seq_no;
u32 bmiss_cnt;
struct ath9k_hw_cal_data caldata[38];
spinlock_t beacon_lock;
bool tx_queues_stop;
spinlock_t tx_lock;
struct ieee80211_vif *vif;
struct htc_beacon_config cur_beacon_conf;
unsigned int rxfilter;
struct tasklet_struct wmi_tasklet;
struct tasklet_struct rx_tasklet;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath9k_htc_rx rx;
struct tasklet_struct tx_tasklet;
struct sk_buff_head tx_queue;
struct delayed_work ath9k_ani_work;
struct work_struct ps_work;
struct mutex htc_pm_lock;
unsigned long ps_usecount;
bool ps_enabled;
bool ps_idle;
struct ath_led radio_led;
struct ath_led assoc_led;
struct ath_led tx_led;
struct ath_led rx_led;
struct delayed_work ath9k_led_blink_work;
int led_on_duration;
int led_off_duration;
int led_on_cnt;
int led_off_cnt;
int beaconq;
int cabq;
int hwq_map[WME_NUM_AC];
#ifdef CONFIG_ATH9K_HTC_DEBUGFS
struct ath9k_debug debug;
#endif
struct mutex mutex;
};
static inline void ath_read_cachesize(struct ath_common *common, int *csz)
{
common->bus_ops->read_cachesize(common, csz);
}
void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
struct ieee80211_vif *vif);
void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
enum htc_endpoint_id ep_id);
void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
bool txok);
void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
enum htc_endpoint_id ep_id, bool txok);
void ath9k_htc_station_work(struct work_struct *work);
void ath9k_htc_aggr_work(struct work_struct *work);
void ath9k_ani_work(struct work_struct *work);;
int ath9k_tx_init(struct ath9k_htc_priv *priv);
void ath9k_tx_tasklet(unsigned long data);
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
int get_hw_qnum(u16 queue, int *hwq_map);
int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
struct ath9k_tx_queue_info *qinfo);
int ath9k_rx_init(struct ath9k_htc_priv *priv);
void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
void ath9k_rx_tasklet(unsigned long data);
u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
void ath9k_ps_work(struct work_struct *work);
void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
void ath9k_init_leds(struct ath9k_htc_priv *priv);
void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
u16 devid);
void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
#ifdef CONFIG_PM
int ath9k_htc_resume(struct htc_target *htc_handle);
#endif
#ifdef CONFIG_ATH9K_HTC_DEBUGFS
int ath9k_htc_debug_create_root(void);
void ath9k_htc_debug_remove_root(void);
int ath9k_htc_init_debug(struct ath_hw *ah);
void ath9k_htc_exit_debug(struct ath_hw *ah);
#else
static inline int ath9k_htc_debug_create_root(void) { return 0; };
static inline void ath9k_htc_debug_remove_root(void) {};
static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
#endif /* CONFIG_ATH9K_HTC_DEBUGFS */
#endif /* HTC_H */
