/*      $OpenBSD: rt2560var.h,v 1.11 2013/12/06 21:03:03 deraadt Exp $  */

/*-
 * Copyright (c) 2005, 2006
 *      Damien Bergamini <damien.bergamini@free.fr>
 *
 * 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 rt2560_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_antenna;
        uint8_t         wr_antsignal;
} __packed;

#define RT2560_RX_RADIOTAP_PRESENT                                      \
        ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
         (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_ANTENNA) |                            \
         (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))

struct rt2560_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_antenna;
} __packed;

#define RT2560_TX_RADIOTAP_PRESENT                                      \
        ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
         (1 << IEEE80211_RADIOTAP_RATE) |                               \
         (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
         (1 << IEEE80211_RADIOTAP_ANTENNA))

struct rt2560_tx_data {
        bus_dmamap_t                    map;
        struct mbuf                     *m;
        struct ieee80211_node           *ni;
};

struct rt2560_tx_ring {
        bus_dmamap_t            map;
        bus_dma_segment_t       seg;
        bus_addr_t              physaddr;
        struct rt2560_tx_desc   *desc;
        struct rt2560_tx_data   *data;
        int                     count;
        int                     queued;
        int                     cur;
        int                     next;
        int                     cur_encrypt;
        int                     next_encrypt;
};

struct rt2560_rx_data {
        bus_dmamap_t    map;
        struct mbuf     *m;
        int             drop;
};

struct rt2560_rx_ring {
        bus_dmamap_t            map;
        bus_dma_segment_t       seg;
        bus_addr_t              physaddr;
        struct rt2560_rx_desc   *desc;
        struct rt2560_rx_data   *data;
        int                     count;
        int                     cur;
        int                     next;
        int                     cur_decrypt;
};

struct rt2560_node {
        struct ieee80211_node           ni;
        struct ieee80211_amrr_node      amn;
};

struct rt2560_softc {
        struct device           sc_dev;

        struct ieee80211com     sc_ic;
        int                     (*sc_newstate)(struct ieee80211com *,
                                    enum ieee80211_state, int);
        struct ieee80211_amrr   amrr;

        int                     (*sc_enable)(struct rt2560_softc *);
        void                    (*sc_disable)(struct rt2560_softc *);

        bus_dma_tag_t           sc_dmat;
        bus_space_tag_t         sc_st;
        bus_space_handle_t      sc_sh;

        struct timeout          scan_to;
        struct timeout          amrr_to;

        int                     sc_flags;
#define RT2560_ENABLED          (1 << 0)
#define RT2560_UPDATE_SLOT      (1 << 1)
#define RT2560_SET_SLOTTIME     (1 << 2)
#define RT2560_PRIO_OACTIVE     (1 << 3)
#define RT2560_DATA_OACTIVE     (1 << 4)

        int                     sc_tx_timer;

        uint32_t                asic_rev;
        uint8_t                 rf_rev;

        struct rt2560_tx_ring   txq;
        struct rt2560_tx_ring   prioq;
        struct rt2560_tx_ring   atimq;
        struct rt2560_tx_ring   bcnq;
        struct rt2560_rx_ring   rxq;

        uint32_t                rf_regs[4];
        uint8_t                 txpow[14];

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

        int                     led_mode;
        int                     hw_radio;
        int                     rx_ant;
        int                     tx_ant;
        int                     nb_ant;

        uint8_t                 *erp;

#if NBPFILTER > 0
        caddr_t                 sc_drvbpf;

        union {
                struct rt2560_rx_radiotap_header th;
                uint8_t pad[64];
        }                       sc_rxtapu;
#define sc_rxtap                sc_rxtapu.th
        int                     sc_rxtap_len;

        union {
                struct rt2560_tx_radiotap_header th;
                uint8_t pad[64];
        }                       sc_txtapu;
#define sc_txtap                sc_txtapu.th
        int                     sc_txtap_len;
#endif
};

int     rt2560_attach(void *, int);
int     rt2560_detach(void *);
void    rt2560_suspend(void *);
void    rt2560_wakeup(void *);
int     rt2560_intr(void *);