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;
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 ifnet			*sc_ifp;
119	device_t			sc_dev;
120	bus_space_tag_t			sc_st;
121	bus_space_handle_t		sc_sh;
122
123	struct mtx			sc_mtx;
124
125	struct callout			watchdog_ch;
126
127	int				sc_invalid;
128	int				sc_debug;
129/*
130 * The same in both up to here
131 * ------------------------------------------------
132 */
133
134	uint16_t			(*sc_srom_read)(struct rt2860_softc *,
135					    uint16_t);
136	void				(*sc_node_free)(struct ieee80211_node *);
137
138	int				sc_flags;
139#define RT2860_ENABLED		(1 << 0)
140#define RT2860_ADVANCED_PS	(1 << 1)
141#define RT2860_PCIE		(1 << 2)
142
143	struct ieee80211_node		*wcid2ni[RT2860_WCID_MAX];
144
145	struct rt2860_tx_ring		txq[6];
146	struct rt2860_rx_ring		rxq;
147
148	SLIST_HEAD(, rt2860_tx_data)	data_pool;
149	struct rt2860_tx_data		data[RT2860_TX_POOL_COUNT];
150	bus_dma_tag_t			txwi_dmat;
151	bus_dmamap_t			txwi_map;
152	bus_dma_segment_t		txwi_seg;
153	caddr_t				txwi_vaddr;
154
155	int				sc_tx_timer;
156	int				mgtqid;
157	uint8_t				qfullmsk;
158
159	uint16_t			mac_ver;
160	uint16_t			mac_rev;
161	uint8_t				rf_rev;
162	uint8_t				freq;
163	uint8_t				ntxchains;
164	uint8_t				nrxchains;
165	uint8_t				pslevel;
166	int8_t				txpow1[54];
167	int8_t				txpow2[54];
168	int8_t				rssi_2ghz[3];
169	int8_t				rssi_5ghz[3];
170	uint8_t				lna[4];
171	uint8_t				rf24_20mhz;
172	uint8_t				rf24_40mhz;
173	uint8_t				patch_dac;
174	uint8_t				rfswitch;
175	uint8_t				ext_2ghz_lna;
176	uint8_t				ext_5ghz_lna;
177	uint8_t				calib_2ghz;
178	uint8_t				calib_5ghz;
179	uint8_t				txmixgain_2ghz;
180	uint8_t				txmixgain_5ghz;
181	uint8_t				tssi_2ghz[9];
182	uint8_t				tssi_5ghz[9];
183	uint8_t				step_2ghz;
184	uint8_t				step_5ghz;
185	struct {
186		uint8_t	reg;
187		uint8_t	val;
188	}				bbp[8], rf[10];
189	uint8_t				leds;
190	uint16_t			led[3];
191	uint32_t			txpow20mhz[5];
192	uint32_t			txpow40mhz_2ghz[5];
193	uint32_t			txpow40mhz_5ghz[5];
194
195	struct rt2860_rx_radiotap_header sc_rxtap;
196	int				sc_rxtap_len;
197	struct rt2860_tx_radiotap_header sc_txtap;
198	int				sc_txtap_len;
199};
200
201int	rt2860_attach(device_t, int);
202int	rt2860_detach(void *);
203void	rt2860_shutdown(void *);
204void	rt2860_suspend(void *);
205void	rt2860_resume(void *);
206void	rt2860_intr(void *);
207
208#define RAL_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
209#define RAL_LOCK_ASSERT(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
210#define RAL_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
211