New driver for Ralink RT2860 chipset.

Attaches as 'ral' as it shares the PCI and CardBus frontends with
RT2560 and RT2661 though it is actually a separate driver.

Requires a firmware that can't be redistributed with the base system
due to license restrictions (exact same license as iwn(4) firmware).

The 802.11n capabilities not yet supported (except MIMO).
Great thanks to Sam Fourman Jr for donating hardware.

ok deraadt@

1 files changed, 130 insertions, 0 deletions

diff --git a/sys/dev/ic/rt2860var.h b/sys/dev/ic/rt2860var.h
new file mode 100644
index 00000000000..f552158cc5d
--- /dev/null
+++ b/sys/dev/ic/rt2860var.h
@@ -0,0 +1,130 @@
+/*	$OpenBSD: rt2860var.h,v 1.1 2007/11/15 21:15:34 damien Exp $	*/
+
+/*-
+ * Copyright (c) 2007
+ *	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.
+ */
+
+#define RT2860_TX_RING_COUNT	64
+#define RT2860_RX_RING_COUNT	128
+#define RT2860_TX_POOL_COUNT	(RT2860_TX_RING_COUNT * 2)
+
+#define RT2860_MAX_SCATTER	((RT2860_TX_RING_COUNT * 2) - 1)
+
+/* HW supports up to 255 STAs */
+#define RT2860_WCID_MAX	254
+#define RT2860_AID2WCID(aid)	((aid) & 0xff)
+
+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_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 rt2860_softc *);
+	void				(*sc_disable)(struct rt2860_softc *);
+	void				(*sc_power)(struct rt2860_softc *, int);
+
+	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 RT2860_ENABLED		(1 << 0)
+#define RT2860_FWLOADED		(1 << 1)
+
+	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;
+	struct rt2860_txwi		*txwi;
+
+	int				sc_tx_timer;
+	int				mgtqid;
+	int				sifs;
+
+	uint32_t			mac_rev;
+	uint8_t				rf_rev;
+	uint8_t				freq;
+	uint8_t				ntxchains;
+	uint8_t				nrxchains;
+	int8_t				txpow1[50];
+	int8_t				txpow2[50];
+	int8_t				rssi_2ghz[3];
+	int8_t				rssi_5ghz[3];
+	uint8_t				lna[4];
+	uint8_t				calib_2ghz;
+	uint8_t				calib_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];
+	uint32_t			txpow20mhz[5];
+	uint32_t			txpow40mhz_2ghz[5];
+	uint32_t			txpow40mhz_5ghz[5];
+
+	struct ieee80211_amrr_node	amn[RT2860_WCID_MAX + 1];
+};
+
+int	rt2860_attach(void *, int);
+int	rt2860_detach(void *);
+int	rt2860_intr(void *);
+void	rt2860_shutdown(void *);