1/* $NetBSD: if_urtwnvar.h,v 1.10 2016/10/12 03:23:29 nat Exp $ */
2/* $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $ */
3
4/*-
5 * Copyright (c) 2010 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#ifndef _IF_URTWNVAR_H_
20#define _IF_URTWNVAR_H_
21
22/*
23 * Driver definitions.
24 */
25#define URTWN_RX_LIST_COUNT 1
26#define URTWN_TX_LIST_COUNT 8
27
28#define URTWN_HOST_CMD_RING_COUNT 32
29
30#define URTWN_RXBUFSZ (16 * 1024)
31#define URTWN_TXBUFSZ (sizeof(struct r92c_tx_desc) + IEEE80211_MAX_LEN + 8)
32
33#define URTWN_RIDX_COUNT 28
34
35#define URTWN_TX_TIMEOUT 5000 /* ms */
36
37#define URTWN_LED_LINK 0
38#define URTWN_LED_DATA 1
39
40struct urtwn_rx_radiotap_header {
41 struct ieee80211_radiotap_header wr_ihdr;
42 uint8_t wr_flags;
43 uint8_t wr_rate;
44 uint16_t wr_chan_freq;
45 uint16_t wr_chan_flags;
46 uint8_t wr_dbm_antsignal;
47} __packed;
48
49#define URTWN_RX_RADIOTAP_PRESENT \
50 (1 << IEEE80211_RADIOTAP_FLAGS | \
51 1 << IEEE80211_RADIOTAP_RATE | \
52 1 << IEEE80211_RADIOTAP_CHANNEL | \
53 1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)
54
55struct urtwn_tx_radiotap_header {
56 struct ieee80211_radiotap_header wt_ihdr;
57 uint8_t wt_flags;
58 uint16_t wt_chan_freq;
59 uint16_t wt_chan_flags;
60} __packed;
61
62#define URTWN_TX_RADIOTAP_PRESENT \
63 (1 << IEEE80211_RADIOTAP_FLAGS | \
64 1 << IEEE80211_RADIOTAP_CHANNEL)
65
66struct urtwn_softc;
67
68struct urtwn_rx_data {
69 struct urtwn_softc *sc;
70 size_t pidx;
71 struct usbd_xfer *xfer;
72 uint8_t *buf;
73 TAILQ_ENTRY(urtwn_rx_data) next;
74};
75
76struct urtwn_tx_data {
77 struct urtwn_softc *sc;
78 size_t pidx;
79 struct usbd_xfer *xfer;
80 uint8_t *buf;
81 TAILQ_ENTRY(urtwn_tx_data) next;
82};
83
84struct urtwn_host_cmd {
85 void (*cb)(struct urtwn_softc *, void *);
86 uint8_t data[256];
87};
88
89struct urtwn_cmd_newstate {
90 enum ieee80211_state state;
91 int arg;
92};
93
94struct urtwn_host_cmd_ring {
95 struct urtwn_host_cmd cmd[URTWN_HOST_CMD_RING_COUNT];
96 int cur;
97 int next;
98 int queued;
99};
100
101#if 1 /* XXX: sys/net80211/ieee80211.h */
102
103#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */
104#define IEEE80211_HTINFO_2NDCHAN_S 0
105#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */
106#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */
107/* NB: 2 is reserved */
108#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */
109#endif /* XXX: 1 */
110
111struct urtwn_softc {
112 device_t sc_dev;
113 struct ieee80211com sc_ic;
114 struct ethercom sc_ec;
115#define sc_if sc_ec.ec_if
116 int (*sc_newstate)(struct ieee80211com *,
117 enum ieee80211_state, int);
118
119 struct usbd_device * sc_udev;
120 struct usbd_interface * sc_iface;
121 u_int sc_flags;
122#define URTWN_FLAG_CCK_HIPWR __BIT(0)
123#define URTWN_FLAG_ATTACHED __BIT(1)
124#define URTWN_FLAG_FWREADY __BIT(2)
125 int sc_dying;
126
127 struct usb_task sc_task;
128 callout_t sc_scan_to;
129 callout_t sc_calib_to;
130
131 kmutex_t sc_task_mtx;
132 kmutex_t sc_fwcmd_mtx;
133 kmutex_t sc_tx_mtx;
134 kmutex_t sc_rx_mtx;
135 kmutex_t sc_write_mtx;
136
137 struct usbd_pipe * rx_pipe[R92C_MAX_EPIN];
138 int rx_npipe;
139 struct usbd_pipe * tx_pipe[R92C_MAX_EPOUT];
140 int tx_npipe;
141 int ac2idx[WME_NUM_AC];
142
143 u_int chip;
144#define URTWN_CHIP_92C 0x01
145#define URTWN_CHIP_92C_1T2R 0x02
146#define URTWN_CHIP_UMC 0x04
147#define URTWN_CHIP_UMC_A_CUT 0x08
148#define URTWN_CHIP_88E 0x10
149#define URTWN_CHIP_92EU 0x20
150
151 void (*sc_rf_write)(struct urtwn_softc *,
152 int, uint8_t, uint32_t);
153 int (*sc_power_on)(struct urtwn_softc *);
154 int (*sc_dma_init)(struct urtwn_softc *);
155
156 uint8_t board_type;
157 uint8_t regulatory;
158 uint8_t pa_setting;
159 int avg_pwdb;
160 int thcal_state;
161 int thcal_lctemp;
162 size_t ntxchains;
163 size_t nrxchains;
164 int ledlink;
165 bool iqk_inited;
166
167 int tx_timer;
168
169 struct urtwn_host_cmd_ring cmdq;
170 int fwcur;
171 struct urtwn_rx_data rx_data[R92C_MAX_EPIN][URTWN_RX_LIST_COUNT];
172 struct urtwn_tx_data tx_data[R92C_MAX_EPOUT][URTWN_TX_LIST_COUNT];
173 TAILQ_HEAD(, urtwn_tx_data) tx_free_list[R92C_MAX_EPOUT];
174 TAILQ_HEAD(, urtwn_rx_data) rx_free_list[R92C_MAX_EPIN];
175
176 struct r92c_rom rom;
177 uint8_t r88e_rom[4096];
178 uint8_t cck_tx_pwr[6];
179 uint8_t ht40_tx_pwr[5];
180 int8_t bw20_tx_pwr_diff;
181 int8_t ofdm_tx_pwr_diff;
182
183 uint32_t rf_chnlbw[R92C_MAX_CHAINS];
184
185 struct bpf_if * sc_drvbpf;
186 union {
187 struct urtwn_rx_radiotap_header th;
188 uint8_t pad[64];
189 } sc_rxtapu;
190#define sc_rxtap sc_rxtapu.th
191 int sc_rxtap_len;
192 union {
193 struct urtwn_tx_radiotap_header th;
194 uint8_t pad[64];
195 } sc_txtapu;
196#define sc_txtap sc_txtapu.th
197 int sc_txtap_len;
198 bool sc_running;
199};
200
201#endif /* _IF_URTWNVAR_H_ */
202