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/*
* Copyright (c) 2010 Broadcom Corporation
*
* 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 _BRCM_PUB_H_
#define _BRCM_PUB_H_
#include <linux/bcma/bcma.h>
#include <brcmu_wifi.h>
#include "types.h"
#include "defs.h"
#define BRCMS_NUMRATES 16 /* max # of rates in a rateset */
/* phy types */
#define PHY_TYPE_A 0 /* Phy type A */
#define PHY_TYPE_G 2 /* Phy type G */
#define PHY_TYPE_N 4 /* Phy type N */
#define PHY_TYPE_LP 5 /* Phy type Low Power A/B/G */
#define PHY_TYPE_SSN 6 /* Phy type Single Stream N */
#define PHY_TYPE_LCN 8 /* Phy type Single Stream N */
#define PHY_TYPE_LCNXN 9 /* Phy type 2-stream N */
#define PHY_TYPE_HT 7 /* Phy type 3-Stream N */
/* bw */
#define BRCMS_10_MHZ 10 /* 10Mhz nphy channel bandwidth */
#define BRCMS_20_MHZ 20 /* 20Mhz nphy channel bandwidth */
#define BRCMS_40_MHZ 40 /* 40Mhz nphy channel bandwidth */
#define BRCMS_RSSI_MINVAL -200 /* Low value, e.g. for forcing roam */
#define BRCMS_RSSI_NO_SIGNAL -91 /* NDIS RSSI link quality cutoffs */
#define BRCMS_RSSI_VERY_LOW -80 /* Very low quality cutoffs */
#define BRCMS_RSSI_LOW -70 /* Low quality cutoffs */
#define BRCMS_RSSI_GOOD -68 /* Good quality cutoffs */
#define BRCMS_RSSI_VERY_GOOD -58 /* Very good quality cutoffs */
#define BRCMS_RSSI_EXCELLENT -57 /* Excellent quality cutoffs */
/* a large TX Power as an init value to factor out of min() calculations,
* keep low enough to fit in an s8, units are .25 dBm
*/
#define BRCMS_TXPWR_MAX (127) /* ~32 dBm = 1,500 mW */
/* rate related definitions */
#define BRCMS_RATE_FLAG 0x80 /* Flag to indicate it is a basic rate */
#define BRCMS_RATE_MASK 0x7f /* Rate value mask w/o basic rate flag */
/* legacy rx Antenna diversity for SISO rates */
#define ANT_RX_DIV_FORCE_0 0 /* Use antenna 0 */
#define ANT_RX_DIV_FORCE_1 1 /* Use antenna 1 */
#define ANT_RX_DIV_START_1 2 /* Choose starting with 1 */
#define ANT_RX_DIV_START_0 3 /* Choose starting with 0 */
#define ANT_RX_DIV_ENABLE 3 /* APHY bbConfig Enable RX Diversity */
/* default antdiv setting */
#define ANT_RX_DIV_DEF ANT_RX_DIV_START_0
/* legacy rx Antenna diversity for SISO rates */
/* Tx on antenna 0, "legacy term Main" */
#define ANT_TX_FORCE_0 0
/* Tx on antenna 1, "legacy term Aux" */
#define ANT_TX_FORCE_1 1
/* Tx on phy's last good Rx antenna */
#define ANT_TX_LAST_RX 3
/* driver's default tx antenna setting */
#define ANT_TX_DEF 3
/* Tx Chain values */
/* def bitmap of txchain */
#define TXCHAIN_DEF 0x1
/* default bitmap of tx chains for nphy */
#define TXCHAIN_DEF_NPHY 0x3
/* default bitmap of tx chains for nphy */
#define TXCHAIN_DEF_HTPHY 0x7
/* def bitmap of rxchain */
#define RXCHAIN_DEF 0x1
/* default bitmap of rx chains for nphy */
#define RXCHAIN_DEF_NPHY 0x3
/* default bitmap of rx chains for nphy */
#define RXCHAIN_DEF_HTPHY 0x7
/* no antenna switch */
#define ANTSWITCH_NONE 0
/* antenna switch on 4321CB2, 2of3 */
#define ANTSWITCH_TYPE_1 1
/* antenna switch on 4321MPCI, 2of3 */
#define ANTSWITCH_TYPE_2 2
/* antenna switch on 4322, 2of3 */
#define ANTSWITCH_TYPE_3 3
#define RXBUFSZ PKTBUFSZ
#define MAX_STREAMS_SUPPORTED 4 /* max number of streams supported */
struct brcm_rateset {
/* # rates in this set */
u32 count;
/* rates in 500kbps units w/hi bit set if basic */
u8 rates[WL_NUMRATES];
};
struct brcms_c_rateset {
uint count; /* number of rates in rates[] */
/* rates in 500kbps units w/hi bit set if basic */
u8 rates[BRCMS_NUMRATES];
u8 htphy_membership; /* HT PHY Membership */
u8 mcs[MCSSET_LEN]; /* supported mcs index bit map */
};
/* All the HT-specific default advertised capabilities (including AMPDU)
* should be grouped here at one place
*/
#define AMPDU_DEF_MPDU_DENSITY 6 /* default mpdu density (110 ==> 4us) */
/* wlc internal bss_info */
struct brcms_bss_info {
u8 BSSID[ETH_ALEN]; /* network BSSID */
u16 flags; /* flags for internal attributes */
u8 SSID_len; /* the length of SSID */
u8 SSID[32]; /* SSID string */
s16 RSSI; /* receive signal strength (in dBm) */
s16 SNR; /* receive signal SNR in dB */
u16 beacon_period; /* units are Kusec */
u16 chanspec; /* Channel num, bw, ctrl_sb and band */
struct brcms_c_rateset rateset; /* supported rates */
};
#define MAC80211_PROMISC_BCNS (1 << 0)
#define MAC80211_SCAN (1 << 1)
/*
* Public portion of common driver state structure.
* The wlc handle points at this.
*/
struct brcms_pub {
struct brcms_c_info *wlc;
struct ieee80211_hw *ieee_hw;
struct scb_ampdu *global_ampdu;
uint mac80211_state;
uint unit; /* device instance number */
uint corerev; /* core revision */
struct si_pub *sih; /* SI handle (cookie for siutils calls) */
bool up; /* interface up and running */
bool hw_off; /* HW is off */
bool hw_up; /* one time hw up/down */
bool _piomode; /* true if pio mode */
uint _nbands; /* # bands supported */
uint now; /* # elapsed seconds */
bool delayed_down; /* down delayed */
bool associated; /* true:part of [I]BSS, false: not */
/* (union of stas_associated, aps_associated) */
bool _ampdu; /* ampdu enabled or not */
u8 _n_enab; /* bitmap of 11N + HT support */
u8 cur_etheraddr[ETH_ALEN]; /* our local ethernet address */
int bcmerror; /* last bcm error */
u32 radio_disabled; /* bit vector for radio disabled reasons */
u16 boardrev; /* version # of particular board */
u8 sromrev; /* version # of the srom */
char srom_ccode[BRCM_CNTRY_BUF_SZ]; /* Country Code in SROM */
u32 boardflags; /* Board specific flags from srom */
u32 boardflags2; /* More board flags if sromrev >= 4 */
bool phy_11ncapable; /* the PHY/HW is capable of 802.11N */
struct wl_cnt *_cnt; /* low-level counters in driver */
};
enum wlc_par_id {
IOV_MPC = 1,
IOV_RTSTHRESH,
IOV_QTXPOWER,
IOV_BCN_LI_BCN /* Beacon listen interval in # of beacons */
};
/***********************************************
* Feature-related macros to optimize out code *
* *********************************************
*/
#define ENAB_1x1 0x01
#define ENAB_2x2 0x02
#define ENAB_3x3 0x04
#define ENAB_4x4 0x08
#define SUPPORT_11N (ENAB_1x1|ENAB_2x2)
#define SUPPORT_HT (ENAB_1x1|ENAB_2x2|ENAB_3x3)
/* WL11N Support */
#define AMPDU_AGG_HOST 1
/* network protection config */
#define BRCMS_PROT_G_SPEC 1 /* SPEC g protection */
#define BRCMS_PROT_G_OVR 2 /* SPEC g prot override */
#define BRCMS_PROT_G_USER 3 /* gmode specified by user */
#define BRCMS_PROT_OVERLAP 4 /* overlap */
#define BRCMS_PROT_N_USER 10 /* nmode specified by user */
#define BRCMS_PROT_N_CFG 11 /* n protection */
#define BRCMS_PROT_N_CFG_OVR 12 /* n protection override */
#define BRCMS_PROT_N_NONGF 13 /* non-GF protection */
#define BRCMS_PROT_N_NONGF_OVR 14 /* non-GF protection override */
#define BRCMS_PROT_N_PAM_OVR 15 /* n preamble override */
#define BRCMS_PROT_N_OBSS 16 /* non-HT OBSS present */
/*
* 54g modes (basic bits may still be overridden)
*
* GMODE_LEGACY_B
* Rateset: 1b, 2b, 5.5, 11
* Preamble: Long
* Shortslot: Off
* GMODE_AUTO
* Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
* Extended Rateset: 6, 9, 12, 48
* Preamble: Long
* Shortslot: Auto
* GMODE_ONLY
* Rateset: 1b, 2b, 5.5b, 11b, 18, 24b, 36, 54
* Extended Rateset: 6b, 9, 12b, 48
* Preamble: Short required
* Shortslot: Auto
* GMODE_B_DEFERRED
* Rateset: 1b, 2b, 5.5b, 11b, 18, 24, 36, 54
* Extended Rateset: 6, 9, 12, 48
* Preamble: Long
* Shortslot: On
* GMODE_PERFORMANCE
* Rateset: 1b, 2b, 5.5b, 6b, 9, 11b, 12b, 18, 24b, 36, 48, 54
* Preamble: Short required
* Shortslot: On and required
* GMODE_LRS
* Rateset: 1b, 2b, 5.5b, 11b
* Extended Rateset: 6, 9, 12, 18, 24, 36, 48, 54
* Preamble: Long
* Shortslot: Auto
*/
#define GMODE_LEGACY_B 0
#define GMODE_AUTO 1
#define GMODE_ONLY 2
#define GMODE_B_DEFERRED 3
#define GMODE_PERFORMANCE 4
#define GMODE_LRS 5
#define GMODE_MAX 6
/* MCS values greater than this enable multiple streams */
#define HIGHEST_SINGLE_STREAM_MCS 7
#define MAXBANDS 2 /* Maximum #of bands */
/* max number of antenna configurations */
#define ANT_SELCFG_MAX 4
struct brcms_antselcfg {
u8 ant_config[ANT_SELCFG_MAX]; /* antenna configuration */
u8 num_antcfg; /* number of available antenna configurations */
};
/* common functions for every port */
extern struct brcms_c_info *
brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit,
bool piomode, uint *perr);
extern uint brcms_c_detach(struct brcms_c_info *wlc);
extern int brcms_c_up(struct brcms_c_info *wlc);
extern uint brcms_c_down(struct brcms_c_info *wlc);
extern bool brcms_c_chipmatch(struct bcma_device *core);
extern void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx);
extern void brcms_c_reset(struct brcms_c_info *wlc);
extern void brcms_c_intrson(struct brcms_c_info *wlc);
extern u32 brcms_c_intrsoff(struct brcms_c_info *wlc);
extern void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask);
extern bool brcms_c_intrsupd(struct brcms_c_info *wlc);
extern bool brcms_c_isr(struct brcms_c_info *wlc, bool *wantdpc);
extern bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded);
extern void brcms_c_sendpkt_mac80211(struct brcms_c_info *wlc,
struct sk_buff *sdu,
struct ieee80211_hw *hw);
extern bool brcms_c_aggregatable(struct brcms_c_info *wlc, u8 tid);
extern void brcms_c_protection_upd(struct brcms_c_info *wlc, uint idx,
int val);
extern int brcms_c_get_header_len(void);
extern void brcms_c_set_addrmatch(struct brcms_c_info *wlc,
int match_reg_offset,
const u8 *addr);
extern void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci,
const struct ieee80211_tx_queue_params *arg,
bool suspend);
extern struct brcms_pub *brcms_c_pub(struct brcms_c_info *wlc);
extern void brcms_c_ampdu_flush(struct brcms_c_info *wlc,
struct ieee80211_sta *sta, u16 tid);
extern void brcms_c_ampdu_tx_operational(struct brcms_c_info *wlc, u8 tid,
u8 ba_wsize, uint max_rx_ampdu_bytes);
extern int brcms_c_module_register(struct brcms_pub *pub,
const char *name, struct brcms_info *hdl,
int (*down_fn)(void *handle));
extern int brcms_c_module_unregister(struct brcms_pub *pub, const char *name,
struct brcms_info *hdl);
extern void brcms_c_suspend_mac_and_wait(struct brcms_c_info *wlc);
extern void brcms_c_enable_mac(struct brcms_c_info *wlc);
extern void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state);
extern void brcms_c_scan_start(struct brcms_c_info *wlc);
extern void brcms_c_scan_stop(struct brcms_c_info *wlc);
extern int brcms_c_get_curband(struct brcms_c_info *wlc);
extern void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc,
bool drop);
extern int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel);
extern int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl);
extern void brcms_c_get_current_rateset(struct brcms_c_info *wlc,
struct brcm_rateset *currs);
extern int brcms_c_set_rateset(struct brcms_c_info *wlc,
struct brcm_rateset *rs);
extern int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period);
extern u16 brcms_c_get_phy_type(struct brcms_c_info *wlc, int phyidx);
extern void brcms_c_set_shortslot_override(struct brcms_c_info *wlc,
s8 sslot_override);
extern void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc,
u8 interval);
extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
extern int brcms_c_get_tx_power(struct brcms_c_info *wlc);
extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);
extern void brcms_c_mute(struct brcms_c_info *wlc, bool on);
#endif /* _BRCM_PUB_H_ */
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