1/*-
2 * Copyright (c) 2007 Damien Bergamini <damien.bergamini@free.fr>
3 * Copyright (c) 2012 Bernhard Schmidt <bschmidt@FreeBSD.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 *
17 * $OpenBSD: rt2860var.h,v 1.20 2010/09/07 16:21:42 deraadt Exp $
18 * $FreeBSD$
19 */
20
21#define RT2860_TX_RING_COUNT	64
22#define RT2860_RX_RING_COUNT	128
23#define RT2860_TX_POOL_COUNT	(RT2860_TX_RING_COUNT * 2)
24
25#define RT2860_MAX_SCATTER	((RT2860_TX_RING_COUNT * 2) - 1)
26
27/* HW supports up to 255 STAs */
28#define RT2860_WCID_MAX		254
29#define RT2860_AID2WCID(aid)	((aid) & 0xff)
30
31struct rt2860_rx_radiotap_header {
32	struct ieee80211_radiotap_header wr_ihdr;
33	uint64_t	wr_tsf;
34	uint8_t		wr_flags;
35	uint8_t		wr_rate;
36	uint16_t	wr_chan_freq;
37	uint16_t	wr_chan_flags;
38	uint8_t		wr_antenna;
39	int8_t		wr_antsignal;
40	int8_t		wr_antnoise;
41} __packed __aligned(8);
42
43#define RT2860_RX_RADIOTAP_PRESENT					\
44	((1 << IEEE80211_RADIOTAP_TSFT) |				\
45	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
46	 (1 << IEEE80211_RADIOTAP_RATE) |				\
47	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
48	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
49	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
50	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
51
52struct rt2860_tx_radiotap_header {
53	struct ieee80211_radiotap_header wt_ihdr;
54	uint8_t		wt_flags;
55	uint8_t		wt_rate;
56	uint16_t	wt_chan_freq;
57	uint16_t	wt_chan_flags;
58} __packed;
59
60#define RT2860_TX_RADIOTAP_PRESENT					\
61	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
62	 (1 << IEEE80211_RADIOTAP_RATE) |				\
63	 (1 << IEEE80211_RADIOTAP_CHANNEL))
64
65struct rt2860_tx_data {
66	struct rt2860_txwi		*txwi;
67	struct mbuf			*m;
68	struct ieee80211_node		*ni;
69	bus_dmamap_t			map;
70	bus_addr_t			paddr;
71	SLIST_ENTRY(rt2860_tx_data)	next;
72};
73
74struct rt2860_tx_ring {
75	struct rt2860_txd	*txd;
76	bus_addr_t		paddr;
77	bus_dma_tag_t		desc_dmat;
78	bus_dmamap_t		desc_map;
79	bus_dma_segment_t	seg;
80	struct rt2860_tx_data	*data[RT2860_TX_RING_COUNT];
81	int			cur;
82	int			next;
83	int			queued;
84};
85
86struct rt2860_rx_data {
87	struct mbuf	*m;
88	bus_dmamap_t	map;
89};
90
91struct rt2860_rx_ring {
92	struct rt2860_rxd	*rxd;
93	bus_addr_t		paddr;
94	bus_dma_tag_t		desc_dmat;
95	bus_dmamap_t		desc_map;
96	bus_dma_tag_t		data_dmat;
97	bus_dma_segment_t	seg;
98	unsigned int		cur;	/* must be unsigned */
99	struct rt2860_rx_data	data[RT2860_RX_RING_COUNT];
100};
101
102struct rt2860_node {
103	struct ieee80211_node	ni;
104	uint8_t			wcid;
105	uint8_t			ridx[IEEE80211_RATE_MAXSIZE];
106	uint8_t			ctl_ridx[IEEE80211_RATE_MAXSIZE];
107};
108
109struct rt2860_vap {
110	struct ieee80211vap	ral_vap;
111
112	int			(*ral_newstate)(struct ieee80211vap *,
113				    enum ieee80211_state, int);
114};
115#define	RT2860_VAP(vap)		((struct rt2860_vap *)(vap))
116
117struct rt2860_softc {
118	struct ieee80211com		sc_ic;
119	struct ieee80211_ratectl_tx_status sc_txs;
120	struct mbufq			sc_snd;
121	struct mtx			sc_mtx;
122	device_t			sc_dev;
123	bus_space_tag_t			sc_st;
124	bus_space_handle_t		sc_sh;
125
126	struct callout			watchdog_ch;
127
128	int				sc_invalid;
129	int				sc_debug;
130/*
131 * The same in both up to here
132 * ------------------------------------------------
133 */
134
135	uint16_t			(*sc_srom_read)(struct rt2860_softc *,
136					    uint16_t);
137	void				(*sc_node_free)(struct ieee80211_node *);
138
139	int				sc_flags;
140#define RT2860_ENABLED		(1 << 0)
141#define RT2860_ADVANCED_PS	(1 << 1)
142#define RT2860_PCIE		(1 << 2)
143#define	RT2860_RUNNING		(1 << 3)
144
145	struct ieee80211_node		*wcid2ni[RT2860_WCID_MAX + 1];
146
147	struct rt2860_tx_ring		txq[6];
148	struct rt2860_rx_ring		rxq;
149
150	SLIST_HEAD(, rt2860_tx_data)	data_pool;
151	struct rt2860_tx_data		data[RT2860_TX_POOL_COUNT];
152	bus_dma_tag_t			txwi_dmat;
153	bus_dmamap_t			txwi_map;
154	bus_dma_segment_t		txwi_seg;
155	caddr_t				txwi_vaddr;
156
157	int				sc_tx_timer;
158	int				mgtqid;
159	uint8_t				qfullmsk;
160
161	uint16_t			mac_ver;
162	uint16_t			mac_rev;
163	uint16_t			rf_rev;
164	uint8_t				freq;
165	uint8_t				ntxchains;
166	uint8_t				nrxchains;
167	uint8_t				pslevel;
168	int8_t				txpow1[54];
169	int8_t				txpow2[54];
170	int8_t				rssi_2ghz[3];
171	int8_t				rssi_5ghz[3];
172	uint8_t				lna[4];
173	uint8_t				rf24_20mhz;
174	uint8_t				rf24_40mhz;
175	uint8_t				patch_dac;
176	uint8_t				rfswitch;
177	uint8_t				ext_2ghz_lna;
178	uint8_t				ext_5ghz_lna;
179	uint8_t				calib_2ghz;
180	uint8_t				calib_5ghz;
181	uint8_t				txmixgain_2ghz;
182	uint8_t				txmixgain_5ghz;
183	uint8_t				tssi_2ghz[9];
184	uint8_t				tssi_5ghz[9];
185	uint8_t				step_2ghz;
186	uint8_t				step_5ghz;
187	struct {
188		uint8_t	reg;
189		uint8_t	val;
190	}				bbp[8], rf[10];
191	uint8_t				leds;
192	uint16_t			led[3];
193	uint32_t			txpow20mhz[5];
194	uint32_t			txpow40mhz_2ghz[5];
195	uint32_t			txpow40mhz_5ghz[5];
196
197	struct rt2860_rx_radiotap_header sc_rxtap;
198	struct rt2860_tx_radiotap_header sc_txtap;
199
200#if defined(__HAIKU__)
201	uint32_t sc_intr_status;
202#endif
203};
204
205int	rt2860_attach(device_t, int);
206int	rt2860_detach(void *);
207void	rt2860_shutdown(void *);
208void	rt2860_suspend(void *);
209void	rt2860_resume(void *);
210void	rt2860_intr(void *);
211
212#define RAL_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
213#define RAL_LOCK_ASSERT(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
214#define RAL_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
215