1 /* $FreeBSD: releng/8.2/sys/dev/iwn/if_iwnvar.h 216392 2010-12-12 10:27:11Z bschmidt $ */
2 /* $OpenBSD: if_iwnvar.h,v 1.18 2010/04/30 16:06:46 damien Exp $ */
3
4 /*-
5 * Copyright (c) 2007, 2008
6 * Damien Bergamini <damien.bergamini@free.fr>
7 * Copyright (c) 2008 Sam Leffler, Errno Consulting
8 *
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 */
21
22 struct iwn_rx_radiotap_header {
23 struct ieee80211_radiotap_header wr_ihdr;
24 uint64_t wr_tsft;
25 uint8_t wr_flags;
26 uint8_t wr_rate;
27 uint16_t wr_chan_freq;
28 uint16_t wr_chan_flags;
29 int8_t wr_dbm_antsignal;
30 int8_t wr_dbm_antnoise;
31 } __packed;
32
33 #define IWN_RX_RADIOTAP_PRESENT \
34 ((1 << IEEE80211_RADIOTAP_TSFT) | \
35 (1 << IEEE80211_RADIOTAP_FLAGS) | \
36 (1 << IEEE80211_RADIOTAP_RATE) | \
37 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
38 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
39 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
40
41 struct iwn_tx_radiotap_header {
42 struct ieee80211_radiotap_header wt_ihdr;
43 uint8_t wt_flags;
44 uint8_t wt_rate;
45 uint16_t wt_chan_freq;
46 uint16_t wt_chan_flags;
47 } __packed;
48
49 #define IWN_TX_RADIOTAP_PRESENT \
50 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
51 (1 << IEEE80211_RADIOTAP_RATE) | \
52 (1 << IEEE80211_RADIOTAP_CHANNEL))
53
54 struct iwn_dma_info {
55 bus_dma_tag_t tag;
56 bus_dmamap_t map;
57 bus_dma_segment_t seg;
58 bus_addr_t paddr;
59 caddr_t vaddr;
60 bus_size_t size;
61 };
62
63 struct iwn_tx_data {
64 bus_dmamap_t map;
65 bus_addr_t cmd_paddr;
66 bus_addr_t scratch_paddr;
67 struct mbuf *m;
68 struct ieee80211_node *ni;
69 };
70
71 struct iwn_tx_ring {
72 struct iwn_dma_info desc_dma;
73 struct iwn_dma_info cmd_dma;
74 struct iwn_tx_desc *desc;
75 struct iwn_tx_cmd *cmd;
76 struct iwn_tx_data data[IWN_TX_RING_COUNT];
77 bus_dma_tag_t data_dmat;
78 int qid;
79 int queued;
80 int cur;
81 };
82
83 struct iwn_softc;
84
85 struct iwn_rx_data {
86 struct mbuf *m;
87 bus_dmamap_t map;
88 };
89
90 struct iwn_rx_ring {
91 struct iwn_dma_info desc_dma;
92 struct iwn_dma_info stat_dma;
93 uint32_t *desc;
94 struct iwn_rx_status *stat;
95 struct iwn_rx_data data[IWN_RX_RING_COUNT];
96 bus_dma_tag_t data_dmat;
97 int cur;
98 };
99
100 struct iwn_node {
101 struct ieee80211_node ni; /* must be the first */
102 uint16_t disable_tid;
103 uint8_t id;
104 uint8_t ridx[IEEE80211_RATE_MAXSIZE];
105 };
106
107 struct iwn_calib_state {
108 uint8_t state;
109 #define IWN_CALIB_STATE_INIT 0
110 #define IWN_CALIB_STATE_ASSOC 1
111 #define IWN_CALIB_STATE_RUN 2
112
113 u_int nbeacons;
114 uint32_t noise[3];
115 uint32_t rssi[3];
116 uint32_t ofdm_x1;
117 uint32_t ofdm_mrc_x1;
118 uint32_t ofdm_x4;
119 uint32_t ofdm_mrc_x4;
120 uint32_t cck_x4;
121 uint32_t cck_mrc_x4;
122 uint32_t bad_plcp_ofdm;
123 uint32_t fa_ofdm;
124 uint32_t bad_plcp_cck;
125 uint32_t fa_cck;
126 uint32_t low_fa;
127 uint8_t cck_state;
128 #define IWN_CCK_STATE_INIT 0
129 #define IWN_CCK_STATE_LOFA 1
130 #define IWN_CCK_STATE_HIFA 2
131
132 uint8_t noise_samples[20];
133 u_int cur_noise_sample;
134 uint8_t noise_ref;
135 uint32_t energy_samples[10];
136 u_int cur_energy_sample;
137 uint32_t energy_cck;
138 };
139
140 struct iwn_calib_info {
141 uint8_t *buf;
142 u_int len;
143 };
144
145 struct iwn_fw_part {
146 const uint8_t *text;
147 uint32_t textsz;
148 const uint8_t *data;
149 uint32_t datasz;
150 };
151
152 struct iwn_fw_info {
153 const uint8_t *data;
154 size_t size;
155 struct iwn_fw_part init;
156 struct iwn_fw_part main;
157 struct iwn_fw_part boot;
158 };
159
160 struct iwn_hal {
161 int (*load_firmware)(struct iwn_softc *);
162 void (*read_eeprom)(struct iwn_softc *);
163 int (*post_alive)(struct iwn_softc *);
164 int (*nic_config)(struct iwn_softc *);
165 void (*update_sched)(struct iwn_softc *, int, int, uint8_t,
166 uint16_t);
167 int (*get_temperature)(struct iwn_softc *);
168 int (*get_rssi)(struct iwn_softc *, struct iwn_rx_stat *);
169 int (*set_txpower)(struct iwn_softc *,
170 struct ieee80211_channel *, int);
171 int (*init_gains)(struct iwn_softc *);
172 int (*set_gains)(struct iwn_softc *);
173 int (*add_node)(struct iwn_softc *, struct iwn_node_info *,
174 int);
175 void (*tx_done)(struct iwn_softc *, struct iwn_rx_desc *,
176 struct iwn_rx_data *);
177 #if 0 /* HT */
178 void (*ampdu_tx_start)(struct iwn_softc *,
179 struct ieee80211_node *, uint8_t, uint16_t);
180 void (*ampdu_tx_stop)(struct iwn_softc *, uint8_t,
181 uint16_t);
182 #endif
183 int ntxqs;
184 int ndmachnls;
185 uint8_t broadcast_id;
186 int rxonsz;
187 int schedsz;
188 uint32_t fw_text_maxsz;
189 uint32_t fw_data_maxsz;
190 uint32_t fwsz;
191 bus_size_t sched_txfact_addr;
192 };
193
194 struct iwn_vap {
195 struct ieee80211vap iv_vap;
196 uint8_t iv_ridx;
197
198 int (*iv_newstate)(struct ieee80211vap *,
199 enum ieee80211_state, int);
200 };
201 #define IWN_VAP(_vap) ((struct iwn_vap *)(_vap))
202
203 struct iwn_softc {
204 struct ifnet *sc_ifp;
205 int sc_debug;
206
207 /* Locks */
208 struct mtx sc_mtx;
209
210 /* Bus */
211 device_t sc_dev;
212 int mem_rid;
213 int irq_rid;
214 struct resource *mem;
215 struct resource *irq;
216
217 u_int sc_flags;
218 #define IWN_FLAG_HAS_5GHZ (1 << 0)
219 #define IWN_FLAG_HAS_OTPROM (1 << 1)
220 #define IWN_FLAG_CALIB_DONE (1 << 2)
221 #define IWN_FLAG_USE_ICT (1 << 3)
222 #define IWN_FLAG_INTERNAL_PA (1 << 4)
223
224 uint8_t hw_type;
225 const struct iwn_hal *sc_hal;
226 const char *fwname;
227 const struct iwn_sensitivity_limits
228 *limits;
229
230 /* TX scheduler rings. */
231 struct iwn_dma_info sched_dma;
232 uint16_t *sched;
233 uint32_t sched_base;
234
235 /* "Keep Warm" page. */
236 struct iwn_dma_info kw_dma;
237
238 /* Firmware image. */
239 const struct firmware *fw_fp;
240
241 /* Firmware DMA transfer. */
242 struct iwn_dma_info fw_dma;
243
244 /* ICT table. */
245 struct iwn_dma_info ict_dma;
246 uint32_t *ict;
247 int ict_cur;
248
249 /* TX/RX rings. */
250 struct iwn_tx_ring txq[IWN5000_NTXQUEUES];
251 struct iwn_rx_ring rxq;
252
253 bus_space_tag_t sc_st;
254 bus_space_handle_t sc_sh;
255 void *sc_ih;
256 bus_size_t sc_sz;
257 int sc_cap_off; /* PCIe Capabilities. */
258
259 /* Tasks used by the driver */
260 struct task sc_reinit_task;
261 struct task sc_radioon_task;
262 struct task sc_radiooff_task;
263
264 int calib_cnt;
265 struct iwn_calib_state calib;
266 u_int calib_init;
267 u_int calib_runtime;
268 #define IWN_CALIB_XTAL (1 << IWN_CALIB_IDX_XTAL)
269 #define IWN_CALIB_DC (1 << IWN_CALIB_IDX_DC)
270 #define IWN_CALIB_LO (1 << IWN_CALIB_IDX_LO)
271 #define IWN_CALIB_TX_IQ (1 << IWN_CALIB_IDX_TX_IQ)
272 #define IWN_CALIB_TX_IQ_PERIODIC (1 << IWN_CALIB_IDX_TX_IQ_PERIODIC)
273 #define IWN_CALIB_BASE_BAND (1 << IWN_CALIB_IDX_BASE_BAND)
274 #define IWN_CALIB_NUM 6
275 struct iwn_calib_info calib_results[IWN_CALIB_NUM];
276 #define IWN_CALIB_IDX_XTAL 0
277 #define IWN_CALIB_IDX_DC 1
278 #define IWN_CALIB_IDX_LO 2
279 #define IWN_CALIB_IDX_TX_IQ 3
280 #define IWN_CALIB_IDX_TX_IQ_PERIODIC 4
281 #define IWN_CALIB_IDX_BASE_BAND 5
282
283 struct iwn_fw_info fw;
284 uint32_t errptr;
285
286 struct iwn_rx_stat last_rx_stat;
287 int last_rx_valid;
288 struct iwn_ucode_info ucode_info;
289 struct iwn_rxon rxon;
290 uint32_t rawtemp;
291 int temp;
292 int noise;
293 uint32_t qfullmsk;
294
295 uint32_t prom_base;
296 struct iwn4965_eeprom_band
297 bands[IWN_NBANDS];
298 struct iwn_eeprom_chan eeprom_channels[IWN_NBANDS][IWN_MAX_CHAN_PER_BAND];
299 uint16_t rfcfg;
300 uint8_t calib_ver;
301 char eeprom_domain[4];
302 int16_t eeprom_voltage;
303 int8_t maxpwr2GHz;
304 int8_t maxpwr5GHz;
305 int8_t maxpwr[IEEE80211_CHAN_MAX];
306 int8_t enh_maxpwr[35];
307
308 int32_t temp_off;
309 uint32_t int_mask;
310 uint8_t ntxchains;
311 uint8_t nrxchains;
312 uint8_t txchainmask;
313 uint8_t rxchainmask;
314 uint8_t chainmask;
315
316 struct callout sc_timer_to;
317 int sc_tx_timer;
318
319 struct iwn_rx_radiotap_header sc_rxtap;
320 struct iwn_tx_radiotap_header sc_txtap;
321 };
322
323 #define IWN_LOCK_INIT(_sc) \
324 mtx_init(&(_sc)->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
325 MTX_NETWORK_LOCK, MTX_DEF)
326 #define IWN_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
327 #define IWN_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
328 #define IWN_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
329 #define IWN_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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