/* $OpenBSD: rt2661var.h,v 1.4 2006/02/25 12:56:47 damien Exp $ */

/* $NetBSD: rt2661var.h,v 1.13 2019/10/05 23:27:20 mrg Exp $ */
/* $OpenBSD: rt2661var.h,v 1.4 2006/02/25 12:56:47 damien Exp $ */

/*-
* Copyright (c) 2006
* Damien Bergamini <[email protected]>
*
* Permission to use, copy, modify, and 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.
*/

struct rt2661_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsf;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_antsignal;
};

#define RT2661_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))

struct rt2661_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint8_t wt_rate;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
};

#define RT2661_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))

struct rt2661_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};

struct rt2661_tx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_addr_t physaddr;
struct rt2661_tx_desc *desc;
struct rt2661_tx_data *data;
int count;
int queued;
int cur;
int next;
int stat;
};

struct rt2661_rx_data {
bus_dmamap_t map;
struct mbuf *m;
};

struct rt2661_rx_ring {
bus_dmamap_t map;
bus_dma_segment_t seg;
bus_addr_t physaddr;
struct rt2661_rx_desc *desc;
struct rt2661_rx_data *data;
int count;
int cur;
int next;
};

struct rt2661_node {
struct ieee80211_node ni;
struct ieee80211_amrr_node amn;
};

struct rt2661_softc {
device_t sc_dev;

struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);

int (*sc_enable)(struct rt2661_softc *);
void (*sc_disable)(struct rt2661_softc *);

bus_dma_tag_t sc_dmat;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_soft_ih;

struct ethercom sc_ec;

struct callout scan_ch;
struct callout amrr_ch;

int sc_id;
int sc_flags;
#define RT2661_ENABLED (1 << 0)
#define RT2661_FWLOADED (1 << 1)
#define RT2661_UPDATE_SLOT (1 << 2)
#define RT2661_SET_SLOTTIME (1 << 3)

int sc_tx_timer;

struct ieee80211_channel *sc_curchan;
struct ieee80211_amrr amrr;

uint8_t rf_rev;

uint8_t rfprog;
uint8_t rffreq;

struct rt2661_tx_ring txq[5];
struct rt2661_tx_ring mgtq;
struct rt2661_rx_ring rxq;

uint32_t rf_regs[4];
int8_t txpow[38];

struct {
uint8_t reg;
uint8_t val;
} bbp_prom[16];

int hw_radio;
int rx_ant;
int tx_ant;
int nb_ant;
int ext_2ghz_lna;
int ext_5ghz_lna;
int rssi_2ghz_corr;
int rssi_5ghz_corr;

int ncalls;
int avg_rssi;
int sifs;

uint32_t erp_csr;

uint8_t bbp18;
uint8_t bbp21;
uint8_t bbp22;
uint8_t bbp16;
uint8_t bbp17;
uint8_t bbp64;

struct bpf_if * sc_drvbpf;

union {
struct rt2661_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;

union {
struct rt2661_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
};

#define sc_if sc_ec.ec_if

int rt2661_attach(void *, int);
int rt2661_detach(void *);
int rt2661_intr(void *);