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NetBSD/sys/dev/ic/rtwvar.h

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/* $NetBSD: rtwvar.h,v 1.1 2004/09/26 02:29:15 dyoung Exp $ */
/*-
* Copyright (c) 2004, 2005 David Young. All rights reserved.
*
* Driver for the Realtek RTL8180 802.11 MAC/BBP by David Young.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of David Young may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY David Young ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL David
* Young BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#ifndef _DEV_IC_RTWVAR_H_
#define _DEV_IC_RTWVAR_H_
#include <sys/queue.h>
#include <sys/callout.h>
#ifdef RTW_DEBUG
extern int rtw_debug;
#define RTW_DPRINTF(x) if (rtw_debug > 0) printf x
#define RTW_DPRINTF2(x) if (rtw_debug > 1) printf x
#define RTW_DPRINTF3(x) if (rtw_debug > 2) printf x
#define DPRINTF(sc, x) if ((sc)->sc_ic.ic_if.if_flags & IFF_DEBUG) printf x
#define DPRINTF2(sc, x) if ((sc)->sc_ic.ic_if.if_flags & IFF_DEBUG) RTW_DPRINTF2(x)
#define DPRINTF3(sc, x) if ((sc)->sc_ic.ic_if.if_flags & IFF_DEBUG) RTW_DPRINTF3(x)
#else /* RTW_DEBUG */
#define RTW_DPRINTF(x)
#define RTW_DPRINTF2(x)
#define RTW_DPRINTF3(x)
#define DPRINTF(sc, x)
#define DPRINTF2(sc, x)
#define DPRINTF3(sc, x)
#endif /* RTW_DEBUG */
#if 0
enum rtw_rftype {
RTW_RFTYPE_INTERSIL = 0,
RTW_RFTYPE_RFMD,
RTW_RFTYPE_PHILIPS,
RTW_RFTYPE_MAXIM
};
#endif
enum rtw_locale {
RTW_LOCALE_USA = 0,
RTW_LOCALE_EUROPE,
RTW_LOCALE_JAPAN,
RTW_LOCALE_UNKNOWN
};
enum rtw_rfchipid {
RTW_RFCHIPID_RESERVED = 0,
RTW_RFCHIPID_INTERSIL = 1,
RTW_RFCHIPID_RFMD = 2,
RTW_RFCHIPID_PHILIPS = 3,
RTW_RFCHIPID_MAXIM = 4,
RTW_RFCHIPID_GCT = 5
};
/* sc_flags */
#define RTW_F_ENABLED 0x00000001 /* chip is enabled */
#define RTW_F_DIGPHY 0x00000002 /* digital PHY */
#define RTW_F_DFLANTB 0x00000004 /* B antenna is default */
#define RTW_F_ANTDIV 0x00000010 /* h/w antenna diversity */
#define RTW_F_9356SROM 0x00000020 /* 93c56 SROM */
#define RTW_F_SLEEP 0x00000040 /* chip is enabled */
/* all PHY flags */
#define RTW_F_ALLPHY (RTW_F_DIGPHY|RTW_F_DFLANTB|RTW_F_ANTDIV)
struct rtw_regs {
bus_space_tag_t r_bt;
bus_space_handle_t r_bh;
};
#define RTW_SR_GET(sr, ofs) \
(((sr)->sr_content[(ofs)/2] >> (((ofs) % 2 == 0) ? 0 : 8)) & 0xff)
#define RTW_SR_GET16(sr, ofs) \
(RTW_SR_GET((sr), (ofs)) | (RTW_SR_GET((sr), (ofs) + 1) << 8))
struct rtw_srom {
u_int16_t *sr_content;
u_int16_t sr_size;
};
struct rtw_rxctl {
struct mbuf *srx_mbuf;
bus_dmamap_t srx_dmamap;
};
struct rtw_txctl {
SIMPLEQ_ENTRY(rtw_txctl) stx_q;
struct mbuf *stx_mbuf;
bus_dmamap_t stx_dmamap;
struct ieee80211_node *stx_ni; /* destination node */
u_int stx_first; /* 1st hw descriptor */
u_int stx_last; /* last hw descriptor */
};
#define RTW_NTXPRI 4 /* number of Tx priorities */
#define RTW_TXPRILO 0
#define RTW_TXPRIMD 1
#define RTW_TXPRIHI 2
#define RTW_TXPRIBCN 3 /* beacon priority */
#define RTW_MAXPKTSEGS 32 /* max 32 segments per Tx packet */
#define CASSERT(cond, complaint) complaint[(cond) ? 0 : -1] = complaint[(cond) ? 0 : -1]
#define RTW_NTXDESC_ROUNDUP(n) \
roundup(n, RTW_DESC_ALIGNMENT / sizeof(struct rtw_txdesc))
#define RTW_TXQLEN_ROUNDUP(n) \
(RTW_NTXDESC_ROUNDUP(n * RTW_MAXPKTSEGS) / RTW_MAXPKTSEGS)
#define RTW_RXQLEN_ROUNDUP(n) \
roundup(n, RTW_DESC_ALIGNMENT / sizeof(struct rtw_rxctl))
/* The descriptor rings must begin on RTW_DESC_ALIGNMENT boundaries.
* I allocate them consecutively from one buffer, so just round up.
*/
#define RTW_TXQLENLO RTW_TXQLEN_ROUNDUP(64) /* high-priority queue length */
#define RTW_TXQLENMD RTW_TXQLEN_ROUNDUP(32) /* medium-priority */
#define RTW_TXQLENHI RTW_TXQLEN_ROUNDUP(16) /* high-priority */
#define RTW_TXQLENBCN 1 /* beacon */
#define RTW_NTXDESCLO (RTW_TXQLENLO * RTW_MAXPKTSEGS)
#define RTW_NTXDESCMD (RTW_TXQLENMD * RTW_MAXPKTSEGS)
#define RTW_NTXDESCHI (RTW_TXQLENHI * RTW_MAXPKTSEGS)
#define RTW_NTXDESCBCN (RTW_TXQLENBCN * RTW_MAXPKTSEGS)
#define RTW_NTXDESCTOTAL (RTW_NTXDESCLO + RTW_NTXDESCMD + \
RTW_NTXDESCHI + RTW_NTXDESCBCN)
#define RTW_RXQLEN RTW_RXQLEN_ROUNDUP(32)
#define RTW_NRXDESC RTW_RXQLEN
struct rtw_txdesc_blk {
u_int htc_ndesc;
u_int htc_next;
u_int htc_nfree;
bus_addr_t htc_physbase;
bus_addr_t htc_ofs;
struct rtw_txdesc *htc_desc;
};
#define RTW_NEXT_DESC(htc, idx) \
(htc->htc_physbase + \
sizeof(struct rtw_txdesc) * ((idx + 1) % htc->htc_ndesc))
SIMPLEQ_HEAD(rtw_txq, rtw_txctl);
struct rtw_txctl_blk {
/* dirty/free s/w descriptors */
struct rtw_txq stc_dirtyq;
struct rtw_txq stc_freeq;
u_int stc_ndesc;
struct rtw_txctl *stc_desc;
};
struct rtw_descs {
struct rtw_txdesc hd_txlo[RTW_NTXDESCLO];
struct rtw_txdesc hd_txmd[RTW_NTXDESCMD];
struct rtw_txdesc hd_txhi[RTW_NTXDESCMD];
struct rtw_rxdesc hd_rx[RTW_NRXDESC];
struct rtw_txdesc hd_bcn[RTW_NTXDESCBCN];
};
#define RTW_DESC_OFFSET(ring, i) offsetof(struct rtw_descs, ring[i])
#define RTW_RING_OFFSET(ring) RTW_DESC_OFFSET(ring, 0)
#define RTW_RING_BASE(sc, ring) ((sc)->sc_desc_physaddr + \
RTW_RING_OFFSET(ring))
/* Radio capture format for RTL8180. */
#define RTW_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | (1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
struct rtw_rx_radiotap_header {
struct ieee80211_radiotap_header rr_ihdr;
u_int8_t rr_flags;
u_int8_t rr_rate;
u_int16_t rr_chan_freq;
u_int16_t rr_chan_flags;
u_int8_t rr_antsignal;
} __attribute__((__packed__));
#define RTW_TX_RADIOTAP_PRESENT ((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct rtw_tx_radiotap_header {
struct ieee80211_radiotap_header rt_ihdr;
u_int8_t rt_flags;
u_int8_t rt_rate;
u_int16_t rt_chan_freq;
u_int16_t rt_chan_flags;
} __attribute__((__packed__));
enum rtw_attach_state {FINISHED, FINISH_DESCMAP_LOAD, FINISH_DESCMAP_CREATE,
FINISH_DESC_MAP, FINISH_DESC_ALLOC, FINISH_RXMAPS_CREATE,
FINISH_TXMAPS_CREATE, FINISH_RESET, FINISH_READ_SROM, FINISH_PARSE_SROM,
FINISH_RF_ATTACH, FINISH_ID_STA, FINISH_TXDESCBLK_SETUP,
FINISH_TXCTLBLK_SETUP, DETACHED};
struct rtw_hooks {
void *rh_shutdown; /* shutdown hook */
void *rh_power; /* power management hook */
};
struct rtw_mtbl {
int (*mt_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
void (*mt_recv_mgmt)(struct ieee80211com *,
struct mbuf *, struct ieee80211_node *,
int, int, u_int32_t);
struct ieee80211_node *(*mt_node_alloc)(struct ieee80211com *);
void (*mt_node_free)(struct ieee80211com *,
struct ieee80211_node *);
};
enum rtw_pwrstate { RTW_OFF = 0, RTW_SLEEP, RTW_ON };
typedef void (*rtw_continuous_tx_cb_t)(void *arg, int);
struct rtw_phy {
struct rtw_rf *p_rf;
struct rtw_regs *p_regs;
};
struct rtw_bbpset {
u_int bb_antatten;
u_int bb_chestlim;
u_int bb_chsqlim;
u_int bb_ifagcdet;
u_int bb_ifagcini;
u_int bb_ifagclimit;
u_int bb_lnadet;
u_int bb_sys1;
u_int bb_sys2;
u_int bb_sys3;
u_int bb_trl;
u_int bb_txagc;
};
struct rtw_rf {
void (*rf_destroy)(struct rtw_rf *);
/* args: frequency, txpower, power state */
int (*rf_init)(struct rtw_rf *, u_int, u_int8_t,
enum rtw_pwrstate);
/* arg: power state */
int (*rf_pwrstate)(struct rtw_rf *, enum rtw_pwrstate);
/* arg: frequency */
int (*rf_tune)(struct rtw_rf *, u_int);
/* arg: txpower */
int (*rf_txpower)(struct rtw_rf *, u_int8_t);
rtw_continuous_tx_cb_t rf_continuous_tx_cb;
void *rf_continuous_tx_arg;
struct rtw_bbpset rf_bbpset;
};
static __inline void
rtw_rf_destroy(struct rtw_rf *rf)
{
(*rf->rf_destroy)(rf);
}
static __inline int
rtw_rf_init(struct rtw_rf *rf, u_int freq, u_int8_t opaque_txpower,
enum rtw_pwrstate power)
{
return (*rf->rf_init)(rf, freq, opaque_txpower, power);
}
static __inline int
rtw_rf_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
{
return (*rf->rf_pwrstate)(rf, power);
}
static __inline int
rtw_rf_tune(struct rtw_rf *rf, u_int freq)
{
return (*rf->rf_tune)(rf, freq);
}
static __inline int
rtw_rf_txpower(struct rtw_rf *rf, u_int8_t opaque_txpower)
{
return (*rf->rf_txpower)(rf, opaque_txpower);
}
typedef int (*rtw_rf_write_t)(struct rtw_regs *, enum rtw_rfchipid, u_int,
u_int32_t);
struct rtw_rfbus {
struct rtw_regs *b_regs;
rtw_rf_write_t b_write;
};
static __inline int
rtw_rfbus_write(struct rtw_rfbus *bus, enum rtw_rfchipid rfchipid, u_int addr,
u_int32_t val)
{
return (*bus->b_write)(bus->b_regs, rfchipid, addr, val);
}
struct rtw_max2820 {
struct rtw_rf mx_rf;
struct rtw_rfbus mx_bus;
int mx_is_a; /* 1: MAX2820A/MAX2821A */
};
struct rtw_sa2400 {
struct rtw_rf sa_rf;
struct rtw_rfbus sa_bus;
int sa_digphy; /* 1: digital PHY */
};
typedef void (*rtw_pwrstate_t)(struct rtw_regs *, enum rtw_pwrstate, int);
struct rtw_softc {
struct device sc_dev;
struct ieee80211com sc_ic;
struct rtw_regs sc_regs;
bus_dma_tag_t sc_dmat;
u_int32_t sc_flags;
#if 0
enum rtw_rftype sc_rftype;
#endif
enum rtw_attach_state sc_attach_state;
enum rtw_rfchipid sc_rfchipid;
enum rtw_locale sc_locale;
u_int8_t sc_phydelay;
/* s/w Tx/Rx descriptors */
struct rtw_txctl_blk sc_txctl_blk[RTW_NTXPRI];
struct rtw_rxctl sc_rxctl[RTW_RXQLEN];
u_int sc_txq;
u_int sc_txnext;
struct rtw_txdesc_blk sc_txdesc_blk[RTW_NTXPRI];
struct rtw_rxdesc *sc_rxdesc;
u_int sc_rxnext;
struct rtw_descs *sc_descs;
bus_dma_segment_t sc_desc_segs;
int sc_desc_nsegs;
bus_dmamap_t sc_desc_dmamap;
#define sc_desc_physaddr sc_desc_dmamap->dm_segs[0].ds_addr
struct rtw_srom sc_srom;
enum rtw_pwrstate sc_pwrstate;
rtw_pwrstate_t sc_pwrstate_cb;
struct rtw_rf *sc_rf;
u_int16_t sc_inten;
/* interrupt acknowledge hook */
void (*sc_intr_ack) __P((struct rtw_regs *));
int (*sc_enable)(struct rtw_softc *);
void (*sc_disable)(struct rtw_softc *);
void (*sc_power)(struct rtw_softc *, int);
struct rtw_mtbl sc_mtbl;
struct rtw_hooks sc_hooks;
caddr_t sc_radiobpf;
struct callout sc_scan_ch;
u_int sc_cur_chan;
u_int32_t sc_tsfth; /* most significant TSFT bits */
u_int32_t sc_rcr; /* RTW_RCR */
u_int8_t sc_csthr; /* carrier-sense threshold */
int sc_do_tick; /* indicate 1s ticks */
struct timeval sc_tick0; /* first tick */
uint8_t sc_rev; /* PCI/Cardbus revision */
union {
struct rtw_rx_radiotap_header tap;
u_int8_t pad[64];
} sc_rxtapu;
union {
struct rtw_tx_radiotap_header tap;
u_int8_t pad[64];
} sc_txtapu;
};
#define sc_if sc_ic.ic_if
#define sc_rxtap sc_rxtapu.tap
#define sc_txtap sc_txtapu.tap
void rtw_txdac_enable(struct rtw_regs *, int);
void rtw_anaparm_enable(struct rtw_regs *, int);
void rtw_config0123_enable(struct rtw_regs *, int);
void rtw_continuous_tx_enable(struct rtw_regs *, int);
void rtw_attach(struct rtw_softc *);
int rtw_detach(struct rtw_softc *);
int rtw_intr(void *);
void rtw_disable(struct rtw_softc *);
int rtw_enable(struct rtw_softc *);
int rtw_activate(struct device *, enum devact);
void rtw_power(int, void *);
void rtw_shutdown(void *);
const char *rtw_pwrstate_string(enum rtw_pwrstate);
#endif /* _DEV_IC_RTWVAR_H_ */
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