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[FreeBSD/releng/7.2.git] / sys / dev / ral / rt2661var.h
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         uint8_t         wr_antsignal;
28 } __packed;
29
30 #define RT2661_RX_RADIOTAP_PRESENT                                      \
31         ((1 << IEEE80211_RADIOTAP_TSFT) |                               \
32          (1 << IEEE80211_RADIOTAP_FLAGS) |                              \
33          (1 << IEEE80211_RADIOTAP_RATE) |                               \
34          (1 << IEEE80211_RADIOTAP_CHANNEL) |                            \
35          (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
36
37 struct rt2661_tx_radiotap_header {
38         struct ieee80211_radiotap_header wt_ihdr;
39         uint8_t         wt_flags;
40         uint8_t         wt_rate;
41         uint16_t        wt_chan_freq;
42         uint16_t        wt_chan_flags;
43 } __packed;
44
45 #define RT2661_TX_RADIOTAP_PRESENT                                      \
46         ((1 << IEEE80211_RADIOTAP_FLAGS) |                              \
47          (1 << IEEE80211_RADIOTAP_RATE) |                               \
48          (1 << IEEE80211_RADIOTAP_CHANNEL))
49
50 struct rt2661_tx_data {
51         bus_dmamap_t            map;
52         struct mbuf             *m;
53         struct ieee80211_node   *ni;
54         struct ral_rssdesc      id;
55 };
56
57 struct rt2661_tx_ring {
58         bus_dma_tag_t           desc_dmat;
59         bus_dma_tag_t           data_dmat;
60         bus_dmamap_t            desc_map;
61         bus_addr_t              physaddr;
62         struct rt2661_tx_desc   *desc;
63         struct rt2661_tx_data   *data;
64         int                     count;
65         int                     queued;
66         int                     cur;
67         int                     next;
68         int                     stat;
69 };
70
71 struct rt2661_rx_data {
72         bus_dmamap_t    map;
73         struct mbuf     *m;
74 };
75
76 struct rt2661_rx_ring {
77         bus_dma_tag_t           desc_dmat;
78         bus_dma_tag_t           data_dmat;
79         bus_dmamap_t            desc_map;
80         bus_addr_t              physaddr;
81         struct rt2661_rx_desc   *desc;
82         struct rt2661_rx_data   *data;
83         int                     count;
84         int                     cur;
85         int                     next;
86 };
87
88 struct rt2661_node {
89         struct ieee80211_node   ni;
90         struct ral_rssadapt     rssadapt;
91 };
92
93 struct rt2661_softc {
94         struct ifnet                    *sc_ifp;
95         struct ieee80211com             sc_ic;
96         int                             (*sc_newstate)(struct ieee80211com *,
97                                             enum ieee80211_state, int);
98         device_t                        sc_dev;
99         bus_space_tag_t                 sc_st;
100         bus_space_handle_t              sc_sh;
101
102         struct mtx                      sc_mtx;
103
104         struct callout                  watchdog_ch;
105         struct callout                  rssadapt_ch;
106
107         int                             sc_tx_timer;
108         int                             sc_invalid;
109 /*
110  * The same in both up to here
111  * ------------------------------------------------
112  */
113         
114         struct ieee80211_channel        *sc_curchan;
115
116         uint8_t                         rf_rev;
117
118         uint8_t                         rfprog;
119         uint8_t                         rffreq;
120
121         struct rt2661_tx_ring           txq[4];
122         struct rt2661_tx_ring           mgtq;
123         struct rt2661_rx_ring           rxq;
124
125         uint32_t                        rf_regs[4];
126         int8_t                          txpow[38];
127
128         struct {
129                 uint8_t reg;
130                 uint8_t val;
131         }                               bbp_prom[16];
132
133         int                             hw_radio;
134         int                             rx_ant;
135         int                             tx_ant;
136         int                             nb_ant;
137         int                             ext_2ghz_lna;
138         int                             ext_5ghz_lna;
139         int                             rssi_2ghz_corr;
140         int                             rssi_5ghz_corr;
141
142         uint8_t                         bbp18;
143         uint8_t                         bbp21;
144         uint8_t                         bbp22;
145         uint8_t                         bbp16;
146         uint8_t                         bbp17;
147         uint8_t                         bbp64;
148
149         int                             dwelltime;
150
151         struct bpf_if                   *sc_drvbpf;
152
153         union {
154                 struct rt2661_rx_radiotap_header th;
155                 uint8_t pad[64];
156         }                               sc_rxtapu;
157 #define sc_rxtap        sc_rxtapu.th
158         int                             sc_rxtap_len;
159
160         union {
161                 struct rt2661_tx_radiotap_header th;
162                 uint8_t pad[64];
163         }                               sc_txtapu;
164 #define sc_txtap        sc_txtapu.th
165         int                             sc_txtap_len;
166 #define                 RAL_INPUT_RUNNING       1
167         int                             sc_flags;
168 };
169
170 int     rt2661_attach(device_t, int);
171 int     rt2661_detach(void *);
172 void    rt2661_shutdown(void *);
173 void    rt2661_suspend(void *);
174 void    rt2661_resume(void *);
175 void    rt2661_intr(void *);
176
177 #define RAL_LOCK(sc)    mtx_lock(&(sc)->sc_mtx)
178 #define RAL_UNLOCK(sc)  mtx_unlock(&(sc)->sc_mtx)