1 /* $FreeBSD$ */
2
3 /*-
4 * Copyright (c) 2005
5 * Damien Bergamini <damien.bergamini@free.fr>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 struct rt2661_rx_radiotap_header {
21 struct ieee80211_radiotap_header wr_ihdr;
22 uint64_t wr_tsf;
23 uint8_t wr_flags;
24 uint8_t wr_rate;
25 uint16_t wr_chan_freq;
26 uint16_t wr_chan_flags;
27 int8_t wr_antsignal;
28 int8_t wr_antnoise;
29 } __packed __aligned(8);
30
31 #define RT2661_RX_RADIOTAP_PRESENT \
32 ((1 << IEEE80211_RADIOTAP_TSFT) | \
33 (1 << IEEE80211_RADIOTAP_FLAGS) | \
34 (1 << IEEE80211_RADIOTAP_RATE) | \
35 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
36 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
37 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
38
39 struct rt2661_tx_radiotap_header {
40 struct ieee80211_radiotap_header wt_ihdr;
41 uint8_t wt_flags;
42 uint8_t wt_rate;
43 uint16_t wt_chan_freq;
44 uint16_t wt_chan_flags;
45 } __packed;
46
47 #define RT2661_TX_RADIOTAP_PRESENT \
48 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
49 (1 << IEEE80211_RADIOTAP_RATE) | \
50 (1 << IEEE80211_RADIOTAP_CHANNEL))
51
52 struct rt2661_tx_data {
53 bus_dmamap_t map;
54 struct mbuf *m;
55 struct ieee80211_node *ni;
56 uint8_t rix;
57 int8_t rssi;
58 };
59
60 struct rt2661_tx_ring {
61 bus_dma_tag_t desc_dmat;
62 bus_dma_tag_t data_dmat;
63 bus_dmamap_t desc_map;
64 bus_addr_t physaddr;
65 struct rt2661_tx_desc *desc;
66 struct rt2661_tx_data *data;
67 int count;
68 int queued;
69 int cur;
70 int next;
71 int stat;
72 };
73
74 struct rt2661_rx_data {
75 bus_dmamap_t map;
76 struct mbuf *m;
77 };
78
79 struct rt2661_rx_ring {
80 bus_dma_tag_t desc_dmat;
81 bus_dma_tag_t data_dmat;
82 bus_dmamap_t desc_map;
83 bus_addr_t physaddr;
84 struct rt2661_rx_desc *desc;
85 struct rt2661_rx_data *data;
86 int count;
87 int cur;
88 int next;
89 };
90
91 struct rt2661_vap {
92 struct ieee80211vap ral_vap;
93
94 int (*ral_newstate)(struct ieee80211vap *,
95 enum ieee80211_state, int);
96 };
97 #define RT2661_VAP(vap) ((struct rt2661_vap *)(vap))
98
99 struct rt2661_softc {
100 struct ieee80211com sc_ic;
101 struct ieee80211_ratectl_tx_status sc_txs;
102 struct mtx sc_mtx;
103 struct mbufq sc_snd;
104 device_t sc_dev;
105 bus_space_tag_t sc_st;
106 bus_space_handle_t sc_sh;
107
108 struct callout watchdog_ch;
109
110 int sc_tx_timer;
111 int sc_invalid;
112 int sc_debug;
113 /*
114 * The same in both up to here
115 * ------------------------------------------------
116 */
117
118 int sc_flags;
119 #define RAL_FW_LOADED 0x1
120 #define RAL_INPUT_RUNNING 0x2
121 #define RAL_RUNNING 0x4
122 int sc_id;
123 struct ieee80211_channel *sc_curchan;
124
125 uint8_t rf_rev;
126
127 uint8_t rfprog;
128 uint8_t rffreq;
129
130 struct rt2661_tx_ring txq[4];
131 struct rt2661_tx_ring mgtq;
132 struct rt2661_rx_ring rxq;
133
134 uint32_t rf_regs[4];
135 int8_t txpow[38];
136
137 struct {
138 uint8_t reg;
139 uint8_t val;
140 } bbp_prom[16];
141
142 int hw_radio;
143 int rx_ant;
144 int tx_ant;
145 int nb_ant;
146 int ext_2ghz_lna;
147 int ext_5ghz_lna;
148 int rssi_2ghz_corr;
149 int rssi_5ghz_corr;
150
151 uint8_t bbp18;
152 uint8_t bbp21;
153 uint8_t bbp22;
154 uint8_t bbp16;
155 uint8_t bbp17;
156 uint8_t bbp64;
157
158 int dwelltime;
159
160 struct rt2661_rx_radiotap_header sc_rxtap;
161 struct rt2661_tx_radiotap_header sc_txtap;
162 };
163
164 int rt2661_attach(device_t, int);
165 int rt2661_detach(void *);
166 void rt2661_shutdown(void *);
167 void rt2661_suspend(void *);
168 void rt2661_resume(void *);
169 void rt2661_intr(void *);
170
171 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
172 #define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
173 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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