* Copyright (c) 2007

/* $NetBSD: rt2860var.h,v 1.6 2019/10/05 23:27:20 mrg Exp $ */
/* $OpenBSD: rt2860var.h,v 1.23 2016/03/21 21:16:30 stsp Exp $ */

/*-
* Copyright (c) 2007
* 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.
*/

#define RT2860_MAX_SCATTER 15
#define RT2860_MAX_SCATTER_TXD (1 + (RT2860_MAX_SCATTER / 2))

#define RT2860_RX_RING_COUNT 128
#define RT2860_TX_RING_COUNT 64
#define RT2860_TX_RING_MAX (RT2860_TX_RING_COUNT - 1)
#define RT2860_TX_RING_ONEMORE (RT2860_TX_RING_MAX - RT2860_MAX_SCATTER_TXD)
#define RT2860_TX_POOL_COUNT (RT2860_TX_RING_COUNT * 2)

/* HW supports up to 255 STAs */
#define RT2860_WCID_MAX 254
#define RT2860_AID2WCID(aid) ((aid) & 0xff)

#define IEEE80211_NO_HT

struct rt2860_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_dbm_antsignal;
uint8_t wr_antenna;
uint8_t wr_antsignal;
} __aligned(8);

#define RT2860_RX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL | \
1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL | \
1 << IEEE80211_RADIOTAP_ANTENNA | \
1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)

struct rt2860_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;
uint8_t wt_hwqueue;
} __aligned(8);

#define RT2860_TX_RADIOTAP_PRESENT \
(1 << IEEE80211_RADIOTAP_FLAGS | \
1 << IEEE80211_RADIOTAP_RATE | \
1 << IEEE80211_RADIOTAP_CHANNEL)

struct rt2860_tx_data {
struct rt2860_txwi *txwi;
struct mbuf *m;
struct ieee80211_node *ni;
bus_dmamap_t map;
bus_addr_t paddr;
SLIST_ENTRY(rt2860_tx_data) next;
};

struct rt2860_tx_ring {
struct rt2860_txd *txd;
bus_addr_t paddr;
bus_dmamap_t map;
bus_dma_segment_t seg;
struct rt2860_tx_data *data[RT2860_TX_RING_COUNT];
int cur;
int next;
int queued;
};

struct rt2860_rx_data {
struct mbuf *m;
bus_dmamap_t map;
};

struct rt2860_rx_ring {
struct rt2860_rxd *rxd;
bus_addr_t paddr;
bus_dmamap_t map;
bus_dma_segment_t seg;
unsigned int cur; /* must be unsigned */
struct rt2860_rx_data data[RT2860_RX_RING_COUNT];
};

struct rt2860_node {
struct ieee80211_node ni;
uint8_t wcid;
uint8_t ridx[IEEE80211_RATE_MAXSIZE];
uint8_t ctl_ridx[IEEE80211_RATE_MAXSIZE];
};

struct rt2860_softc {
device_t sc_dev;

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

int (*sc_enable)(struct rt2860_softc *);
void (*sc_disable)(struct rt2860_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;
#define sc_if sc_ec.ec_if

uint16_t (*sc_srom_read)(struct rt2860_softc *,
uint16_t);

int sc_flags;
#define RT2860_ENABLED (1 << 0)
#define RT2860_ADVANCED_PS (1 << 1)
#define RT2860_PCIE (1 << 2)
#define RT2860_RUNNING (1 << 3)

struct ieee80211_amrr amrr;

uint32_t sc_ic_flags;
int fixed_ridx;

u_char *ucode;
size_t ucsize;

struct rt2860_tx_ring txq[6];
struct rt2860_rx_ring rxq;

SLIST_HEAD(, rt2860_tx_data) data_pool;
struct rt2860_tx_data data[RT2860_TX_POOL_COUNT];
bus_dmamap_t txwi_map;
bus_dma_segment_t txwi_seg;
void *txwi_vaddr;

int sc_tx_timer;
struct ieee80211_beacon_offsets sc_bo;
int mgtqid;
uint8_t qfullmsk;

uint16_t mac_ver;
uint16_t mac_rev;
uint32_t rf_rev;
uint8_t freq;
uint8_t ntxchains;
uint8_t nrxchains;
uint8_t pslevel;
int8_t txpow1[54];
int8_t txpow2[54];
int8_t rssi_2ghz[3];
int8_t rssi_5ghz[3];
uint8_t lna[4];
uint8_t rf24_20mhz;
uint8_t rf24_40mhz;
uint8_t patch_dac;
uint8_t rfswitch;
uint8_t ext_2ghz_lna;
uint8_t ext_5ghz_lna;
uint8_t calib_2ghz;
uint8_t calib_5ghz;
uint8_t txmixgain_2ghz;
uint8_t txmixgain_5ghz;
uint8_t tssi_2ghz[9];
uint8_t tssi_5ghz[9];
uint8_t step_2ghz;
uint8_t step_5ghz;
struct {
uint8_t reg;
uint8_t val;
} bbp[8], rf[10];
uint8_t leds;
uint16_t led[3];
uint32_t txpow20mhz[5];
uint32_t txpow40mhz_2ghz[5];
uint32_t txpow40mhz_5ghz[5];

struct ieee80211_amrr_node amn[RT2860_WCID_MAX + 1];

struct bpf_if *sc_drvbpf;
union {
struct rt2860_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;

union {
struct rt2860_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
};

int rt2860_attach(void *, int);
int rt2860_detach(void *);
int rt2860_intr(void *);