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/*	$FreeBSD: release/9.1.0/sys/dev/ral/rt2560var.h 206358 2010-04-07 15:29:13Z rpaulo $	*/

/*-
 * 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;
	int8_t		wr_antsignal;
	int8_t		wr_antnoise;
	uint8_t		wr_antenna;
};

#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_DBM_ANTSIGNAL) |			\
	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))

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;
};

#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;
	uint8_t				rix;
	int8_t				rssi;
};

struct rt2560_tx_ring {
	bus_dma_tag_t		desc_dmat;
	bus_dma_tag_t		data_dmat;
	bus_dmamap_t		desc_map;
	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_dma_tag_t		desc_dmat;
	bus_dma_tag_t		data_dmat;
	bus_dmamap_t		desc_map;
	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_vap {
	struct ieee80211vap	ral_vap;
	struct ieee80211_beacon_offsets	ral_bo;

	int			(*ral_newstate)(struct ieee80211vap *,
				    enum ieee80211_state, int);
};
#define	RT2560_VAP(vap)		((struct rt2560_vap *)(vap))

struct rt2560_softc {
	struct ifnet		*sc_ifp;
	device_t		sc_dev;
	bus_space_tag_t		sc_st;
	bus_space_handle_t	sc_sh;

	struct mtx		sc_mtx;

	struct callout		watchdog_ch;

	int			sc_tx_timer;
	int                     sc_invalid;
	int			sc_debug;
/*
 * The same in both up to here
 * ------------------------------------------------
 */
	uint32_t		asic_rev;
	uint32_t		eeprom_rev;
	uint8_t			rf_rev;
	uint8_t			rssi_corr;

	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;

	struct rt2560_rx_radiotap_header sc_rxtap;
	int			sc_rxtap_len;

	struct rt2560_tx_radiotap_header sc_txtap;
	int			sc_txtap_len;
#define RT2560_F_INPUT_RUNNING	0x1
#define RT2560_F_PRIO_OACTIVE	0x2
#define RT2560_F_DATA_OACTIVE	0x4
	int			sc_flags;
};

int	rt2560_attach(device_t, int);
int	rt2560_detach(void *);
void	rt2560_stop(void *);
void	rt2560_resume(void *);
void	rt2560_intr(void *);

#define RAL_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
#define RAL_LOCK_ASSERT(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
#define RAL_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)