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Commit | Line | Data |
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f5fc0f86 LC |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
4 | * Copyright (C) 2008-2009 Nokia Corporation | |
5 | * | |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/module.h> | |
25 | #include <linux/platform_device.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/firmware.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/irq.h> | |
30 | #include <linux/spi/spi.h> | |
31 | #include <linux/crc32.h> | |
32 | #include <linux/etherdevice.h> | |
1fba4974 | 33 | #include <linux/vmalloc.h> |
f5fc0f86 | 34 | #include <linux/spi/wl12xx.h> |
01c09162 | 35 | #include <linux/inetdevice.h> |
f5fc0f86 LC |
36 | |
37 | #include "wl1271.h" | |
38 | #include "wl12xx_80211.h" | |
39 | #include "wl1271_reg.h" | |
40 | #include "wl1271_spi.h" | |
41 | #include "wl1271_event.h" | |
42 | #include "wl1271_tx.h" | |
43 | #include "wl1271_rx.h" | |
44 | #include "wl1271_ps.h" | |
45 | #include "wl1271_init.h" | |
46 | #include "wl1271_debugfs.h" | |
47 | #include "wl1271_cmd.h" | |
48 | #include "wl1271_boot.h" | |
49 | ||
8a08048a JO |
50 | static struct conf_drv_settings default_conf = { |
51 | .sg = { | |
52 | .per_threshold = 7500, | |
53 | .max_scan_compensation_time = 120000, | |
54 | .nfs_sample_interval = 400, | |
55 | .load_ratio = 50, | |
56 | .auto_ps_mode = 0, | |
57 | .probe_req_compensation = 170, | |
58 | .scan_window_compensation = 50, | |
59 | .antenna_config = 0, | |
60 | .beacon_miss_threshold = 60, | |
61 | .rate_adaptation_threshold = CONF_HW_BIT_RATE_12MBPS, | |
62 | .rate_adaptation_snr = 0 | |
63 | }, | |
64 | .rx = { | |
65 | .rx_msdu_life_time = 512000, | |
66 | .packet_detection_threshold = 0, | |
67 | .ps_poll_timeout = 15, | |
68 | .upsd_timeout = 15, | |
69 | .rts_threshold = 2347, | |
70 | .rx_cca_threshold = 0xFFEF, | |
71 | .irq_blk_threshold = 0, | |
72 | .irq_pkt_threshold = USHORT_MAX, | |
73 | .irq_timeout = 5, | |
74 | .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, | |
75 | }, | |
76 | .tx = { | |
77 | .tx_energy_detection = 0, | |
78 | .rc_conf = { | |
79 | .enabled_rates = CONF_TX_RATE_MASK_UNSPECIFIED, | |
80 | .short_retry_limit = 10, | |
81 | .long_retry_limit = 10, | |
82 | .aflags = 0 | |
45b531a8 | 83 | }, |
8a08048a JO |
84 | .ac_conf_count = 4, |
85 | .ac_conf = { | |
86 | [0] = { | |
87 | .ac = CONF_TX_AC_BE, | |
88 | .cw_min = 15, | |
89 | .cw_max = 63, | |
90 | .aifsn = 3, | |
91 | .tx_op_limit = 0, | |
45b531a8 | 92 | }, |
8a08048a JO |
93 | [1] = { |
94 | .ac = CONF_TX_AC_BK, | |
95 | .cw_min = 15, | |
96 | .cw_max = 63, | |
97 | .aifsn = 7, | |
98 | .tx_op_limit = 0, | |
45b531a8 | 99 | }, |
8a08048a JO |
100 | [2] = { |
101 | .ac = CONF_TX_AC_VI, | |
102 | .cw_min = 15, | |
103 | .cw_max = 63, | |
104 | .aifsn = CONF_TX_AIFS_PIFS, | |
105 | .tx_op_limit = 3008, | |
106 | }, | |
107 | [3] = { | |
108 | .ac = CONF_TX_AC_VO, | |
109 | .cw_min = 15, | |
110 | .cw_max = 63, | |
111 | .aifsn = CONF_TX_AIFS_PIFS, | |
112 | .tx_op_limit = 1504, | |
45b531a8 | 113 | }, |
51f2be24 | 114 | }, |
8a08048a JO |
115 | .tid_conf_count = 7, |
116 | .tid_conf = { | |
117 | [0] = { | |
118 | .queue_id = 0, | |
119 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
120 | .tsid = CONF_TX_AC_BE, | |
121 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
122 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
123 | .apsd_conf = {0, 0}, | |
124 | }, | |
125 | [1] = { | |
126 | .queue_id = 1, | |
127 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
128 | .tsid = CONF_TX_AC_BE, | |
129 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
130 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
131 | .apsd_conf = {0, 0}, | |
51f2be24 | 132 | }, |
8a08048a JO |
133 | [2] = { |
134 | .queue_id = 2, | |
135 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
136 | .tsid = CONF_TX_AC_BE, | |
137 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
138 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
139 | .apsd_conf = {0, 0}, | |
51f2be24 | 140 | }, |
8a08048a JO |
141 | [3] = { |
142 | .queue_id = 3, | |
143 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
144 | .tsid = CONF_TX_AC_BE, | |
145 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
146 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
147 | .apsd_conf = {0, 0}, | |
148 | }, | |
149 | [4] = { | |
150 | .queue_id = 4, | |
151 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
152 | .tsid = CONF_TX_AC_BE, | |
153 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
154 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
155 | .apsd_conf = {0, 0}, | |
156 | }, | |
157 | [5] = { | |
158 | .queue_id = 5, | |
159 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
160 | .tsid = CONF_TX_AC_BE, | |
161 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
162 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
163 | .apsd_conf = {0, 0}, | |
164 | }, | |
165 | [6] = { | |
166 | .queue_id = 6, | |
167 | .channel_type = CONF_CHANNEL_TYPE_DCF, | |
168 | .tsid = CONF_TX_AC_BE, | |
169 | .ps_scheme = CONF_PS_SCHEME_LEGACY, | |
170 | .ack_policy = CONF_ACK_POLICY_LEGACY, | |
171 | .apsd_conf = {0, 0}, | |
172 | } | |
173 | }, | |
174 | .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, | |
175 | .tx_compl_timeout = 5, | |
176 | .tx_compl_threshold = 5 | |
177 | }, | |
178 | .conn = { | |
179 | .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, | |
180 | .listen_interval = 0, | |
181 | .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, | |
182 | .bcn_filt_ie_count = 1, | |
183 | .bcn_filt_ie = { | |
184 | [0] = { | |
185 | .ie = WLAN_EID_CHANNEL_SWITCH, | |
186 | .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, | |
51f2be24 | 187 | } |
47fab7d5 | 188 | }, |
8a08048a JO |
189 | .synch_fail_thold = 5, |
190 | .bss_lose_timeout = 100, | |
191 | .beacon_rx_timeout = 10000, | |
192 | .broadcast_timeout = 20000, | |
193 | .rx_broadcast_in_ps = 1, | |
194 | .ps_poll_threshold = 4, | |
195 | .sig_trigger_count = 2, | |
196 | .sig_trigger = { | |
197 | [0] = { | |
198 | .threshold = -75, | |
199 | .pacing = 500, | |
200 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
201 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
202 | .direction = CONF_TRIG_EVENT_DIR_LOW, | |
203 | .hysteresis = 2, | |
204 | .index = 0, | |
205 | .enable = 1 | |
47fab7d5 | 206 | }, |
8a08048a JO |
207 | [1] = { |
208 | .threshold = -75, | |
209 | .pacing = 500, | |
210 | .metric = CONF_TRIG_METRIC_RSSI_BEACON, | |
211 | .type = CONF_TRIG_EVENT_TYPE_EDGE, | |
212 | .direction = CONF_TRIG_EVENT_DIR_HIGH, | |
213 | .hysteresis = 2, | |
214 | .index = 1, | |
215 | .enable = 1 | |
216 | } | |
217 | }, | |
218 | .sig_weights = { | |
219 | .rssi_bcn_avg_weight = 10, | |
220 | .rssi_pkt_avg_weight = 10, | |
221 | .snr_bcn_avg_weight = 10, | |
222 | .snr_pkt_avg_weight = 10 | |
11f70f97 JO |
223 | }, |
224 | .bet_enable = CONF_BET_MODE_ENABLE, | |
84502563 | 225 | .bet_max_consecutive = 10, |
19ad0715 | 226 | .psm_entry_retries = 3 |
8a08048a JO |
227 | }, |
228 | .init = { | |
229 | .sr_err_tbl = { | |
230 | [0] = { | |
231 | .len = 7, | |
232 | .upper_limit = 0x03, | |
233 | .values = { | |
234 | 0x18, 0x10, 0x05, 0xfb, 0xf0, 0xe8, | |
235 | 0x00 } | |
47fab7d5 | 236 | }, |
8a08048a JO |
237 | [1] = { |
238 | .len = 7, | |
239 | .upper_limit = 0x03, | |
240 | .values = { | |
241 | 0x18, 0x10, 0x05, 0xf6, 0xf0, 0xe8, | |
242 | 0x00 } | |
243 | }, | |
244 | [2] = { | |
245 | .len = 7, | |
246 | .upper_limit = 0x03, | |
247 | .values = { | |
248 | 0x18, 0x10, 0x05, 0xfb, 0xf0, 0xe8, | |
249 | 0x00 } | |
47fab7d5 | 250 | } |
8a08048a JO |
251 | }, |
252 | .sr_enable = 1, | |
253 | .genparam = { | |
c7c8adb5 | 254 | .ref_clk = CONF_REF_CLK_38_4_E, |
8a08048a JO |
255 | .settling_time = 5, |
256 | .clk_valid_on_wakeup = 0, | |
257 | .dc2dcmode = 0, | |
1ebec3d7 | 258 | .single_dual_band = CONF_SINGLE_BAND, |
a3e84847 | 259 | .tx_bip_fem_autodetect = 1, |
8a08048a JO |
260 | .tx_bip_fem_manufacturer = 1, |
261 | .settings = 1, | |
76c0f8d3 LC |
262 | .sr_state = 1, |
263 | .srf1 = { 0, 0, 0, 0, 0, 0, 0, 0, | |
264 | 0, 0, 0, 0, 0, 0, 0, 0 }, | |
265 | .srf2 = { 0, 0, 0, 0, 0, 0, 0, 0, | |
266 | 0, 0, 0, 0, 0, 0, 0, 0 }, | |
267 | .srf3 = { 0, 0, 0, 0, 0, 0, 0, 0, | |
268 | 0, 0, 0, 0, 0, 0, 0, 0 }, | |
269 | .sr_debug_table = { 0, 0, 0, 0, 0, 0, 0, 0, | |
270 | 0, 0, 0, 0, 0, 0, 0, 0 }, | |
271 | .sr_sen_n_p = 0, | |
272 | .sr_sen_n_p_gain = 0, | |
273 | .sr_sen_nrn = 0, | |
274 | .sr_sen_prn = 0, | |
8a08048a JO |
275 | }, |
276 | .radioparam = { | |
a3e84847 LC |
277 | .rx_trace_loss = 0x24, |
278 | .tx_trace_loss = 0x0, | |
8a08048a JO |
279 | .rx_rssi_and_proc_compens = { |
280 | 0xec, 0xf6, 0x00, 0x0c, 0x18, 0xf8, | |
281 | 0xfc, 0x00, 0x08, 0x10, 0xf0, 0xf8, | |
282 | 0x00, 0x0a, 0x14 }, | |
283 | .rx_trace_loss_5 = { 0, 0, 0, 0, 0, 0, 0 }, | |
284 | .tx_trace_loss_5 = { 0, 0, 0, 0, 0, 0, 0 }, | |
285 | .rx_rssi_and_proc_compens_5 = { | |
286 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
287 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
288 | 0x00, 0x00, 0x00 }, | |
a3e84847 LC |
289 | .tx_ref_pd_voltage = 0x1a9, |
290 | .tx_ref_power = 0x80, | |
8a08048a JO |
291 | .tx_offset_db = 0x0, |
292 | .tx_rate_limits_normal = { | |
a3e84847 | 293 | 0x1d, 0x1f, 0x24, 0x28, 0x28, 0x29 }, |
8a08048a | 294 | .tx_rate_limits_degraded = { |
a3e84847 | 295 | 0x19, 0x1f, 0x22, 0x23, 0x27, 0x28 }, |
cf18be44 LC |
296 | .tx_rate_limits_extreme = { |
297 | 0x19, 0x1c, 0x1e, 0x20, 0x24, 0x25 }, | |
8a08048a JO |
298 | .tx_channel_limits_11b = { |
299 | 0x22, 0x50, 0x50, 0x50, 0x50, 0x50, | |
300 | 0x50, 0x50, 0x50, 0x50, 0x22, 0x50, | |
301 | 0x22, 0x50 }, | |
302 | .tx_channel_limits_ofdm = { | |
303 | 0x20, 0x50, 0x50, 0x50, 0x50, 0x50, | |
304 | 0x50, 0x50, 0x50, 0x50, 0x20, 0x50, | |
305 | 0x20, 0x50 }, | |
306 | .tx_pdv_rate_offsets = { | |
a3e84847 | 307 | 0x07, 0x08, 0x04, 0x02, 0x02, 0x00 }, |
8a08048a | 308 | .tx_ibias = { |
a3e84847 LC |
309 | 0x11, 0x11, 0x15, 0x11, 0x15, 0x0f }, |
310 | .rx_fem_insertion_loss = 0x0e, | |
cf18be44 LC |
311 | .degraded_low_to_normal_threshold = 0x1e, |
312 | .degraded_normal_to_high_threshold = 0x2d, | |
1ebec3d7 TP |
313 | .tx_ref_pd_voltage_5 = { |
314 | 0x0190, 0x01a4, 0x01c3, 0x01d8, | |
315 | 0x020a, 0x021c }, | |
316 | .tx_ref_power_5 = { | |
317 | 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80 }, | |
318 | .tx_offset_db_5 = { | |
8a08048a | 319 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, |
1ebec3d7 TP |
320 | .tx_rate_limits_normal_5 = { |
321 | 0x1b, 0x1e, 0x21, 0x23, 0x27, 0x00 }, | |
8a08048a | 322 | .tx_rate_limits_degraded_5 = { |
1ebec3d7 | 323 | 0x1b, 0x1e, 0x21, 0x23, 0x27, 0x00 }, |
cf18be44 LC |
324 | .tx_rate_limits_extreme_5 = { |
325 | 0x1b, 0x1e, 0x21, 0x23, 0x27, 0x00 }, | |
8a08048a | 326 | .tx_channel_limits_ofdm_5 = { |
1ebec3d7 TP |
327 | 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, |
328 | 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, | |
329 | 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, | |
330 | 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, 0x50, | |
331 | 0x50, 0x50, 0x50 }, | |
8a08048a | 332 | .tx_pdv_rate_offsets_5 = { |
1ebec3d7 | 333 | 0x01, 0x02, 0x02, 0x02, 0x02, 0x00 }, |
8a08048a | 334 | .tx_ibias_5 = { |
1ebec3d7 TP |
335 | 0x10, 0x10, 0x10, 0x10, 0x10, 0x10 }, |
336 | .rx_fem_insertion_loss_5 = { | |
cf18be44 LC |
337 | 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10 }, |
338 | .degraded_low_to_normal_threshold_5 = 0x00, | |
339 | .degraded_normal_to_high_threshold_5 = 0x00 | |
2b60100b | 340 | } |
8a08048a JO |
341 | } |
342 | }; | |
343 | ||
01c09162 JO |
344 | static LIST_HEAD(wl_list); |
345 | ||
8a08048a JO |
346 | static void wl1271_conf_init(struct wl1271 *wl) |
347 | { | |
2b60100b JO |
348 | |
349 | /* | |
350 | * This function applies the default configuration to the driver. This | |
351 | * function is invoked upon driver load (spi probe.) | |
352 | * | |
353 | * The configuration is stored in a run-time structure in order to | |
354 | * facilitate for run-time adjustment of any of the parameters. Making | |
355 | * changes to the configuration structure will apply the new values on | |
356 | * the next interface up (wl1271_op_start.) | |
357 | */ | |
358 | ||
359 | /* apply driver default configuration */ | |
8a08048a | 360 | memcpy(&wl->conf, &default_conf, sizeof(default_conf)); |
1ebec3d7 TP |
361 | |
362 | if (wl1271_11a_enabled()) | |
363 | wl->conf.init.genparam.single_dual_band = CONF_DUAL_BAND; | |
2b60100b JO |
364 | } |
365 | ||
366 | ||
f5fc0f86 LC |
367 | static int wl1271_plt_init(struct wl1271 *wl) |
368 | { | |
369 | int ret; | |
370 | ||
98b5dd5d | 371 | ret = wl1271_cmd_general_parms(wl); |
4a90406b | 372 | if (ret < 0) |
cc7defa3 LC |
373 | return ret; |
374 | ||
98b5dd5d | 375 | ret = wl1271_cmd_radio_parms(wl); |
4a90406b | 376 | if (ret < 0) |
cc7defa3 LC |
377 | return ret; |
378 | ||
f5fc0f86 LC |
379 | ret = wl1271_acx_init_mem_config(wl); |
380 | if (ret < 0) | |
381 | return ret; | |
382 | ||
383 | ret = wl1271_cmd_data_path(wl, wl->channel, 1); | |
384 | if (ret < 0) | |
385 | return ret; | |
386 | ||
387 | return 0; | |
388 | } | |
389 | ||
390 | static void wl1271_disable_interrupts(struct wl1271 *wl) | |
391 | { | |
392 | disable_irq(wl->irq); | |
393 | } | |
394 | ||
395 | static void wl1271_power_off(struct wl1271 *wl) | |
396 | { | |
397 | wl->set_power(false); | |
398 | } | |
399 | ||
400 | static void wl1271_power_on(struct wl1271 *wl) | |
401 | { | |
402 | wl->set_power(true); | |
403 | } | |
404 | ||
c15f63bf JO |
405 | static void wl1271_fw_status(struct wl1271 *wl, |
406 | struct wl1271_fw_status *status) | |
f5fc0f86 LC |
407 | { |
408 | u32 total = 0; | |
409 | int i; | |
410 | ||
74621417 JO |
411 | wl1271_spi_read(wl, FW_STATUS_ADDR, status, |
412 | sizeof(*status), false); | |
f5fc0f86 LC |
413 | |
414 | wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " | |
415 | "drv_rx_counter = %d, tx_results_counter = %d)", | |
416 | status->intr, | |
417 | status->fw_rx_counter, | |
418 | status->drv_rx_counter, | |
419 | status->tx_results_counter); | |
420 | ||
421 | /* update number of available TX blocks */ | |
422 | for (i = 0; i < NUM_TX_QUEUES; i++) { | |
d0f63b20 LC |
423 | u32 cnt = le32_to_cpu(status->tx_released_blks[i]) - |
424 | wl->tx_blocks_freed[i]; | |
425 | ||
426 | wl->tx_blocks_freed[i] = | |
427 | le32_to_cpu(status->tx_released_blks[i]); | |
f5fc0f86 LC |
428 | wl->tx_blocks_available += cnt; |
429 | total += cnt; | |
430 | } | |
431 | ||
432 | /* if more blocks are available now, schedule some tx work */ | |
433 | if (total && !skb_queue_empty(&wl->tx_queue)) | |
a64b07e8 | 434 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
435 | |
436 | /* update the host-chipset time offset */ | |
d0f63b20 LC |
437 | wl->time_offset = jiffies_to_usecs(jiffies) - |
438 | le32_to_cpu(status->fw_localtime); | |
f5fc0f86 LC |
439 | } |
440 | ||
f5fc0f86 LC |
441 | static void wl1271_irq_work(struct work_struct *work) |
442 | { | |
f5fc0f86 | 443 | int ret; |
c15f63bf | 444 | u32 intr; |
f5fc0f86 LC |
445 | struct wl1271 *wl = |
446 | container_of(work, struct wl1271, irq_work); | |
447 | ||
448 | mutex_lock(&wl->mutex); | |
449 | ||
450 | wl1271_debug(DEBUG_IRQ, "IRQ work"); | |
451 | ||
452 | if (wl->state == WL1271_STATE_OFF) | |
453 | goto out; | |
454 | ||
455 | ret = wl1271_ps_elp_wakeup(wl, true); | |
456 | if (ret < 0) | |
457 | goto out; | |
458 | ||
74621417 | 459 | wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); |
f5fc0f86 | 460 | |
c15f63bf | 461 | wl1271_fw_status(wl, wl->fw_status); |
d0f63b20 | 462 | intr = le32_to_cpu(wl->fw_status->intr); |
f5fc0f86 LC |
463 | if (!intr) { |
464 | wl1271_debug(DEBUG_IRQ, "Zero interrupt received."); | |
465 | goto out_sleep; | |
466 | } | |
467 | ||
468 | intr &= WL1271_INTR_MASK; | |
469 | ||
1fd2794f JO |
470 | if (intr & WL1271_ACX_INTR_EVENT_A) { |
471 | bool do_ack = (intr & WL1271_ACX_INTR_EVENT_B) ? false : true; | |
472 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A"); | |
473 | wl1271_event_handle(wl, 0, do_ack); | |
474 | } | |
475 | ||
476 | if (intr & WL1271_ACX_INTR_EVENT_B) { | |
477 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B"); | |
478 | wl1271_event_handle(wl, 1, true); | |
c15f63bf | 479 | } |
f5fc0f86 | 480 | |
c15f63bf JO |
481 | if (intr & WL1271_ACX_INTR_INIT_COMPLETE) |
482 | wl1271_debug(DEBUG_IRQ, | |
483 | "WL1271_ACX_INTR_INIT_COMPLETE"); | |
f5fc0f86 | 484 | |
c15f63bf JO |
485 | if (intr & WL1271_ACX_INTR_HW_AVAILABLE) |
486 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE"); | |
f5fc0f86 | 487 | |
c15f63bf JO |
488 | if (intr & WL1271_ACX_INTR_DATA) { |
489 | u8 tx_res_cnt = wl->fw_status->tx_results_counter - | |
490 | wl->tx_results_count; | |
f5fc0f86 | 491 | |
c15f63bf | 492 | wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); |
f5fc0f86 | 493 | |
c15f63bf JO |
494 | /* check for tx results */ |
495 | if (tx_res_cnt) | |
496 | wl1271_tx_complete(wl, tx_res_cnt); | |
f5fc0f86 | 497 | |
c15f63bf JO |
498 | wl1271_rx(wl, wl->fw_status); |
499 | } | |
f5fc0f86 LC |
500 | |
501 | out_sleep: | |
74621417 | 502 | wl1271_spi_write32(wl, ACX_REG_INTERRUPT_MASK, |
73d0a13c | 503 | WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); |
f5fc0f86 LC |
504 | wl1271_ps_elp_sleep(wl); |
505 | ||
506 | out: | |
507 | mutex_unlock(&wl->mutex); | |
508 | } | |
509 | ||
510 | static irqreturn_t wl1271_irq(int irq, void *cookie) | |
511 | { | |
512 | struct wl1271 *wl; | |
513 | unsigned long flags; | |
514 | ||
515 | wl1271_debug(DEBUG_IRQ, "IRQ"); | |
516 | ||
517 | wl = cookie; | |
518 | ||
519 | /* complete the ELP completion */ | |
520 | spin_lock_irqsave(&wl->wl_lock, flags); | |
521 | if (wl->elp_compl) { | |
522 | complete(wl->elp_compl); | |
523 | wl->elp_compl = NULL; | |
524 | } | |
525 | ||
a64b07e8 | 526 | ieee80211_queue_work(wl->hw, &wl->irq_work); |
f5fc0f86 LC |
527 | spin_unlock_irqrestore(&wl->wl_lock, flags); |
528 | ||
529 | return IRQ_HANDLED; | |
530 | } | |
531 | ||
532 | static int wl1271_fetch_firmware(struct wl1271 *wl) | |
533 | { | |
534 | const struct firmware *fw; | |
535 | int ret; | |
536 | ||
537 | ret = request_firmware(&fw, WL1271_FW_NAME, &wl->spi->dev); | |
538 | ||
539 | if (ret < 0) { | |
540 | wl1271_error("could not get firmware: %d", ret); | |
541 | return ret; | |
542 | } | |
543 | ||
544 | if (fw->size % 4) { | |
545 | wl1271_error("firmware size is not multiple of 32 bits: %zu", | |
546 | fw->size); | |
547 | ret = -EILSEQ; | |
548 | goto out; | |
549 | } | |
550 | ||
551 | wl->fw_len = fw->size; | |
1fba4974 | 552 | wl->fw = vmalloc(wl->fw_len); |
f5fc0f86 LC |
553 | |
554 | if (!wl->fw) { | |
555 | wl1271_error("could not allocate memory for the firmware"); | |
556 | ret = -ENOMEM; | |
557 | goto out; | |
558 | } | |
559 | ||
560 | memcpy(wl->fw, fw->data, wl->fw_len); | |
561 | ||
562 | ret = 0; | |
563 | ||
564 | out: | |
565 | release_firmware(fw); | |
566 | ||
567 | return ret; | |
568 | } | |
569 | ||
570 | static int wl1271_fetch_nvs(struct wl1271 *wl) | |
571 | { | |
572 | const struct firmware *fw; | |
573 | int ret; | |
574 | ||
575 | ret = request_firmware(&fw, WL1271_NVS_NAME, &wl->spi->dev); | |
576 | ||
577 | if (ret < 0) { | |
578 | wl1271_error("could not get nvs file: %d", ret); | |
579 | return ret; | |
580 | } | |
581 | ||
582 | if (fw->size % 4) { | |
583 | wl1271_error("nvs size is not multiple of 32 bits: %zu", | |
584 | fw->size); | |
585 | ret = -EILSEQ; | |
586 | goto out; | |
587 | } | |
588 | ||
589 | wl->nvs_len = fw->size; | |
590 | wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); | |
591 | ||
592 | if (!wl->nvs) { | |
593 | wl1271_error("could not allocate memory for the nvs file"); | |
594 | ret = -ENOMEM; | |
595 | goto out; | |
596 | } | |
597 | ||
598 | memcpy(wl->nvs, fw->data, wl->nvs_len); | |
599 | ||
600 | ret = 0; | |
601 | ||
602 | out: | |
603 | release_firmware(fw); | |
604 | ||
605 | return ret; | |
606 | } | |
607 | ||
608 | static void wl1271_fw_wakeup(struct wl1271 *wl) | |
609 | { | |
610 | u32 elp_reg; | |
611 | ||
612 | elp_reg = ELPCTRL_WAKE_UP; | |
74621417 | 613 | wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); |
f5fc0f86 LC |
614 | } |
615 | ||
616 | static int wl1271_setup(struct wl1271 *wl) | |
617 | { | |
618 | wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); | |
619 | if (!wl->fw_status) | |
620 | return -ENOMEM; | |
621 | ||
622 | wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); | |
623 | if (!wl->tx_res_if) { | |
624 | kfree(wl->fw_status); | |
625 | return -ENOMEM; | |
626 | } | |
627 | ||
628 | INIT_WORK(&wl->irq_work, wl1271_irq_work); | |
629 | INIT_WORK(&wl->tx_work, wl1271_tx_work); | |
630 | return 0; | |
631 | } | |
632 | ||
633 | static int wl1271_chip_wakeup(struct wl1271 *wl) | |
634 | { | |
451de97a | 635 | struct wl1271_partition_set partition; |
f5fc0f86 LC |
636 | int ret = 0; |
637 | ||
638 | wl1271_power_on(wl); | |
639 | msleep(WL1271_POWER_ON_SLEEP); | |
640 | wl1271_spi_reset(wl); | |
641 | wl1271_spi_init(wl); | |
642 | ||
643 | /* We don't need a real memory partition here, because we only want | |
644 | * to use the registers at this point. */ | |
451de97a JO |
645 | memset(&partition, 0, sizeof(partition)); |
646 | partition.reg.start = REGISTERS_BASE; | |
647 | partition.reg.size = REGISTERS_DOWN_SIZE; | |
648 | wl1271_set_partition(wl, &partition); | |
f5fc0f86 LC |
649 | |
650 | /* ELP module wake up */ | |
651 | wl1271_fw_wakeup(wl); | |
652 | ||
653 | /* whal_FwCtrl_BootSm() */ | |
654 | ||
655 | /* 0. read chip id from CHIP_ID */ | |
74621417 | 656 | wl->chip.id = wl1271_spi_read32(wl, CHIP_ID_B); |
f5fc0f86 LC |
657 | |
658 | /* 1. check if chip id is valid */ | |
659 | ||
660 | switch (wl->chip.id) { | |
661 | case CHIP_ID_1271_PG10: | |
662 | wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", | |
663 | wl->chip.id); | |
664 | ||
665 | ret = wl1271_setup(wl); | |
666 | if (ret < 0) | |
eb5b28d0 | 667 | goto out_power_off; |
f5fc0f86 LC |
668 | break; |
669 | case CHIP_ID_1271_PG20: | |
670 | wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", | |
671 | wl->chip.id); | |
672 | ||
673 | ret = wl1271_setup(wl); | |
674 | if (ret < 0) | |
eb5b28d0 | 675 | goto out_power_off; |
f5fc0f86 LC |
676 | break; |
677 | default: | |
678 | wl1271_error("unsupported chip id: 0x%x", wl->chip.id); | |
679 | ret = -ENODEV; | |
eb5b28d0 | 680 | goto out_power_off; |
f5fc0f86 LC |
681 | } |
682 | ||
683 | if (wl->fw == NULL) { | |
684 | ret = wl1271_fetch_firmware(wl); | |
685 | if (ret < 0) | |
eb5b28d0 | 686 | goto out_power_off; |
f5fc0f86 LC |
687 | } |
688 | ||
689 | /* No NVS from netlink, try to get it from the filesystem */ | |
690 | if (wl->nvs == NULL) { | |
691 | ret = wl1271_fetch_nvs(wl); | |
692 | if (ret < 0) | |
eb5b28d0 | 693 | goto out_power_off; |
f5fc0f86 LC |
694 | } |
695 | ||
eb5b28d0 JO |
696 | goto out; |
697 | ||
698 | out_power_off: | |
699 | wl1271_power_off(wl); | |
700 | ||
f5fc0f86 LC |
701 | out: |
702 | return ret; | |
703 | } | |
704 | ||
f5fc0f86 LC |
705 | int wl1271_plt_start(struct wl1271 *wl) |
706 | { | |
707 | int ret; | |
708 | ||
709 | mutex_lock(&wl->mutex); | |
710 | ||
711 | wl1271_notice("power up"); | |
712 | ||
713 | if (wl->state != WL1271_STATE_OFF) { | |
714 | wl1271_error("cannot go into PLT state because not " | |
715 | "in off state: %d", wl->state); | |
716 | ret = -EBUSY; | |
717 | goto out; | |
718 | } | |
719 | ||
720 | wl->state = WL1271_STATE_PLT; | |
721 | ||
722 | ret = wl1271_chip_wakeup(wl); | |
723 | if (ret < 0) | |
724 | goto out; | |
725 | ||
726 | ret = wl1271_boot(wl); | |
727 | if (ret < 0) | |
eb5b28d0 | 728 | goto out_power_off; |
f5fc0f86 LC |
729 | |
730 | wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver); | |
731 | ||
732 | ret = wl1271_plt_init(wl); | |
733 | if (ret < 0) | |
eb5b28d0 JO |
734 | goto out_irq_disable; |
735 | ||
bd5ea18f LC |
736 | /* Make sure power saving is disabled */ |
737 | ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); | |
738 | if (ret < 0) | |
739 | goto out_irq_disable; | |
740 | ||
eb5b28d0 JO |
741 | goto out; |
742 | ||
743 | out_irq_disable: | |
744 | wl1271_disable_interrupts(wl); | |
745 | ||
746 | out_power_off: | |
747 | wl1271_power_off(wl); | |
f5fc0f86 LC |
748 | |
749 | out: | |
750 | mutex_unlock(&wl->mutex); | |
751 | ||
752 | return ret; | |
753 | } | |
754 | ||
755 | int wl1271_plt_stop(struct wl1271 *wl) | |
756 | { | |
757 | int ret = 0; | |
758 | ||
759 | mutex_lock(&wl->mutex); | |
760 | ||
761 | wl1271_notice("power down"); | |
762 | ||
763 | if (wl->state != WL1271_STATE_PLT) { | |
764 | wl1271_error("cannot power down because not in PLT " | |
765 | "state: %d", wl->state); | |
766 | ret = -EBUSY; | |
767 | goto out; | |
768 | } | |
769 | ||
770 | wl1271_disable_interrupts(wl); | |
771 | wl1271_power_off(wl); | |
772 | ||
773 | wl->state = WL1271_STATE_OFF; | |
bd5ea18f | 774 | wl->rx_counter = 0; |
f5fc0f86 LC |
775 | |
776 | out: | |
777 | mutex_unlock(&wl->mutex); | |
778 | ||
779 | return ret; | |
780 | } | |
781 | ||
782 | ||
783 | static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) | |
784 | { | |
785 | struct wl1271 *wl = hw->priv; | |
786 | ||
787 | skb_queue_tail(&wl->tx_queue, skb); | |
788 | ||
789 | /* | |
790 | * The chip specific setup must run before the first TX packet - | |
791 | * before that, the tx_work will not be initialized! | |
792 | */ | |
793 | ||
a64b07e8 | 794 | ieee80211_queue_work(wl->hw, &wl->tx_work); |
f5fc0f86 LC |
795 | |
796 | /* | |
797 | * The workqueue is slow to process the tx_queue and we need stop | |
798 | * the queue here, otherwise the queue will get too long. | |
799 | */ | |
800 | if (skb_queue_len(&wl->tx_queue) >= WL1271_TX_QUEUE_MAX_LENGTH) { | |
801 | ieee80211_stop_queues(wl->hw); | |
802 | ||
803 | /* | |
804 | * FIXME: this is racy, the variable is not properly | |
805 | * protected. Maybe fix this by removing the stupid | |
806 | * variable altogether and checking the real queue state? | |
807 | */ | |
808 | wl->tx_queue_stopped = true; | |
809 | } | |
810 | ||
811 | return NETDEV_TX_OK; | |
812 | } | |
813 | ||
01c09162 JO |
814 | static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, |
815 | void *arg) | |
816 | { | |
817 | struct net_device *dev; | |
818 | struct wireless_dev *wdev; | |
819 | struct wiphy *wiphy; | |
820 | struct ieee80211_hw *hw; | |
821 | struct wl1271 *wl; | |
822 | struct wl1271 *wl_temp; | |
823 | struct in_device *idev; | |
824 | struct in_ifaddr *ifa = arg; | |
825 | int ret = 0; | |
826 | ||
827 | /* FIXME: this ugly function should probably be implemented in the | |
828 | * mac80211, and here should only be a simple callback handling actual | |
829 | * setting of the filters. Now we need to dig up references to | |
830 | * various structures to gain access to what we need. | |
831 | * Also, because of this, there is no "initial" setting of the filter | |
832 | * in "op_start", because we don't want to dig up struct net_device | |
833 | * there - the filter will be set upon first change of the interface | |
834 | * IP address. */ | |
835 | ||
836 | dev = ifa->ifa_dev->dev; | |
837 | ||
838 | wdev = dev->ieee80211_ptr; | |
839 | if (wdev == NULL) | |
17d7265c | 840 | return NOTIFY_DONE; |
01c09162 JO |
841 | |
842 | wiphy = wdev->wiphy; | |
843 | if (wiphy == NULL) | |
17d7265c | 844 | return NOTIFY_DONE; |
01c09162 JO |
845 | |
846 | hw = wiphy_priv(wiphy); | |
847 | if (hw == NULL) | |
17d7265c | 848 | return NOTIFY_DONE; |
01c09162 JO |
849 | |
850 | /* Check that the interface is one supported by this driver. */ | |
851 | wl_temp = hw->priv; | |
852 | list_for_each_entry(wl, &wl_list, list) { | |
853 | if (wl == wl_temp) | |
854 | break; | |
855 | } | |
856 | if (wl == NULL) | |
17d7265c | 857 | return NOTIFY_DONE; |
01c09162 JO |
858 | |
859 | /* Get the interface IP address for the device. "ifa" will become | |
860 | NULL if: | |
861 | - there is no IPV4 protocol address configured | |
862 | - there are multiple (virtual) IPV4 addresses configured | |
863 | When "ifa" is NULL, filtering will be disabled. | |
864 | */ | |
865 | ifa = NULL; | |
866 | idev = dev->ip_ptr; | |
867 | if (idev) | |
868 | ifa = idev->ifa_list; | |
869 | ||
870 | if (ifa && ifa->ifa_next) | |
871 | ifa = NULL; | |
872 | ||
873 | mutex_lock(&wl->mutex); | |
874 | ||
875 | if (wl->state == WL1271_STATE_OFF) | |
876 | goto out; | |
877 | ||
878 | ret = wl1271_ps_elp_wakeup(wl, false); | |
879 | if (ret < 0) | |
880 | goto out; | |
881 | if (ifa) | |
882 | ret = wl1271_acx_arp_ip_filter(wl, true, | |
883 | (u8 *)&ifa->ifa_address, | |
884 | ACX_IPV4_VERSION); | |
885 | else | |
886 | ret = wl1271_acx_arp_ip_filter(wl, false, NULL, | |
887 | ACX_IPV4_VERSION); | |
888 | wl1271_ps_elp_sleep(wl); | |
889 | ||
890 | out: | |
891 | mutex_unlock(&wl->mutex); | |
892 | ||
17d7265c | 893 | return NOTIFY_OK; |
01c09162 JO |
894 | } |
895 | ||
896 | static struct notifier_block wl1271_dev_notifier = { | |
897 | .notifier_call = wl1271_dev_notify, | |
898 | }; | |
899 | ||
900 | ||
f5fc0f86 LC |
901 | static int wl1271_op_start(struct ieee80211_hw *hw) |
902 | { | |
903 | struct wl1271 *wl = hw->priv; | |
904 | int ret = 0; | |
905 | ||
906 | wl1271_debug(DEBUG_MAC80211, "mac80211 start"); | |
907 | ||
908 | mutex_lock(&wl->mutex); | |
909 | ||
910 | if (wl->state != WL1271_STATE_OFF) { | |
911 | wl1271_error("cannot start because not in off state: %d", | |
912 | wl->state); | |
913 | ret = -EBUSY; | |
914 | goto out; | |
915 | } | |
916 | ||
917 | ret = wl1271_chip_wakeup(wl); | |
918 | if (ret < 0) | |
919 | goto out; | |
920 | ||
921 | ret = wl1271_boot(wl); | |
922 | if (ret < 0) | |
eb5b28d0 | 923 | goto out_power_off; |
f5fc0f86 LC |
924 | |
925 | ret = wl1271_hw_init(wl); | |
926 | if (ret < 0) | |
eb5b28d0 | 927 | goto out_irq_disable; |
f5fc0f86 LC |
928 | |
929 | wl->state = WL1271_STATE_ON; | |
930 | ||
931 | wl1271_info("firmware booted (%s)", wl->chip.fw_ver); | |
932 | ||
eb5b28d0 | 933 | goto out; |
f5fc0f86 | 934 | |
eb5b28d0 JO |
935 | out_irq_disable: |
936 | wl1271_disable_interrupts(wl); | |
937 | ||
938 | out_power_off: | |
939 | wl1271_power_off(wl); | |
940 | ||
941 | out: | |
f5fc0f86 LC |
942 | mutex_unlock(&wl->mutex); |
943 | ||
01c09162 JO |
944 | if (!ret) { |
945 | list_add(&wl->list, &wl_list); | |
946 | register_inetaddr_notifier(&wl1271_dev_notifier); | |
947 | } | |
948 | ||
f5fc0f86 LC |
949 | return ret; |
950 | } | |
951 | ||
952 | static void wl1271_op_stop(struct ieee80211_hw *hw) | |
953 | { | |
954 | struct wl1271 *wl = hw->priv; | |
955 | int i; | |
956 | ||
957 | wl1271_info("down"); | |
958 | ||
959 | wl1271_debug(DEBUG_MAC80211, "mac80211 stop"); | |
960 | ||
01c09162 JO |
961 | unregister_inetaddr_notifier(&wl1271_dev_notifier); |
962 | list_del(&wl->list); | |
963 | ||
f5fc0f86 LC |
964 | mutex_lock(&wl->mutex); |
965 | ||
966 | WARN_ON(wl->state != WL1271_STATE_ON); | |
967 | ||
968 | if (wl->scanning) { | |
969 | mutex_unlock(&wl->mutex); | |
970 | ieee80211_scan_completed(wl->hw, true); | |
971 | mutex_lock(&wl->mutex); | |
972 | wl->scanning = false; | |
973 | } | |
974 | ||
975 | wl->state = WL1271_STATE_OFF; | |
976 | ||
977 | wl1271_disable_interrupts(wl); | |
978 | ||
979 | mutex_unlock(&wl->mutex); | |
980 | ||
981 | cancel_work_sync(&wl->irq_work); | |
982 | cancel_work_sync(&wl->tx_work); | |
f5fc0f86 LC |
983 | |
984 | mutex_lock(&wl->mutex); | |
985 | ||
986 | /* let's notify MAC80211 about the remaining pending TX frames */ | |
987 | wl1271_tx_flush(wl); | |
988 | wl1271_power_off(wl); | |
989 | ||
990 | memset(wl->bssid, 0, ETH_ALEN); | |
991 | memset(wl->ssid, 0, IW_ESSID_MAX_SIZE + 1); | |
992 | wl->ssid_len = 0; | |
f5fc0f86 | 993 | wl->bss_type = MAX_BSS_TYPE; |
8a5a37a6 | 994 | wl->band = IEEE80211_BAND_2GHZ; |
f5fc0f86 LC |
995 | |
996 | wl->rx_counter = 0; | |
997 | wl->elp = false; | |
998 | wl->psm = 0; | |
19ad0715 | 999 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1000 | wl->tx_queue_stopped = false; |
1001 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
1002 | wl->tx_blocks_available = 0; | |
1003 | wl->tx_results_count = 0; | |
1004 | wl->tx_packets_count = 0; | |
ac4e4ce5 JO |
1005 | wl->tx_security_last_seq = 0; |
1006 | wl->tx_security_seq_16 = 0; | |
1007 | wl->tx_security_seq_32 = 0; | |
f5fc0f86 LC |
1008 | wl->time_offset = 0; |
1009 | wl->session_counter = 0; | |
d6e19d13 LC |
1010 | wl->joined = false; |
1011 | ||
f5fc0f86 LC |
1012 | for (i = 0; i < NUM_TX_QUEUES; i++) |
1013 | wl->tx_blocks_freed[i] = 0; | |
1014 | ||
1015 | wl1271_debugfs_reset(wl); | |
1016 | mutex_unlock(&wl->mutex); | |
1017 | } | |
1018 | ||
1019 | static int wl1271_op_add_interface(struct ieee80211_hw *hw, | |
1020 | struct ieee80211_if_init_conf *conf) | |
1021 | { | |
1022 | struct wl1271 *wl = hw->priv; | |
f5fc0f86 LC |
1023 | int ret = 0; |
1024 | ||
e5539bcb JL |
1025 | wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", |
1026 | conf->type, conf->mac_addr); | |
f5fc0f86 LC |
1027 | |
1028 | mutex_lock(&wl->mutex); | |
b771eee5 JO |
1029 | if (wl->vif) { |
1030 | ret = -EBUSY; | |
1031 | goto out; | |
1032 | } | |
1033 | ||
1034 | wl->vif = conf->vif; | |
f5fc0f86 LC |
1035 | |
1036 | switch (conf->type) { | |
1037 | case NL80211_IFTYPE_STATION: | |
1038 | wl->bss_type = BSS_TYPE_STA_BSS; | |
1039 | break; | |
1040 | case NL80211_IFTYPE_ADHOC: | |
1041 | wl->bss_type = BSS_TYPE_IBSS; | |
1042 | break; | |
1043 | default: | |
1044 | ret = -EOPNOTSUPP; | |
1045 | goto out; | |
1046 | } | |
1047 | ||
1048 | /* FIXME: what if conf->mac_addr changes? */ | |
1049 | ||
1050 | out: | |
1051 | mutex_unlock(&wl->mutex); | |
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | static void wl1271_op_remove_interface(struct ieee80211_hw *hw, | |
1056 | struct ieee80211_if_init_conf *conf) | |
1057 | { | |
b771eee5 JO |
1058 | struct wl1271 *wl = hw->priv; |
1059 | ||
1060 | mutex_lock(&wl->mutex); | |
f5fc0f86 | 1061 | wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); |
b771eee5 JO |
1062 | wl->vif = NULL; |
1063 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1064 | } |
1065 | ||
1066 | #if 0 | |
1067 | static int wl1271_op_config_interface(struct ieee80211_hw *hw, | |
1068 | struct ieee80211_vif *vif, | |
1069 | struct ieee80211_if_conf *conf) | |
1070 | { | |
1071 | struct wl1271 *wl = hw->priv; | |
1072 | struct sk_buff *beacon; | |
f5fc0f86 LC |
1073 | int ret; |
1074 | ||
3264690b DM |
1075 | wl1271_debug(DEBUG_MAC80211, "mac80211 config_interface bssid %pM", |
1076 | conf->bssid); | |
f5fc0f86 LC |
1077 | wl1271_dump_ascii(DEBUG_MAC80211, "ssid: ", conf->ssid, |
1078 | conf->ssid_len); | |
1079 | ||
1080 | mutex_lock(&wl->mutex); | |
1081 | ||
1082 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1083 | if (ret < 0) | |
1084 | goto out; | |
1085 | ||
ae751bab LC |
1086 | if (memcmp(wl->bssid, conf->bssid, ETH_ALEN)) { |
1087 | wl1271_debug(DEBUG_MAC80211, "bssid changed"); | |
1088 | ||
1089 | memcpy(wl->bssid, conf->bssid, ETH_ALEN); | |
1090 | ||
1091 | ret = wl1271_cmd_join(wl); | |
1092 | if (ret < 0) | |
1093 | goto out_sleep; | |
f5fc0f86 | 1094 | |
c6317a54 JO |
1095 | ret = wl1271_cmd_build_null_data(wl); |
1096 | if (ret < 0) | |
1097 | goto out_sleep; | |
1098 | } | |
f5fc0f86 LC |
1099 | |
1100 | wl->ssid_len = conf->ssid_len; | |
1101 | if (wl->ssid_len) | |
1102 | memcpy(wl->ssid, conf->ssid, wl->ssid_len); | |
1103 | ||
f5fc0f86 LC |
1104 | if (conf->changed & IEEE80211_IFCC_BEACON) { |
1105 | beacon = ieee80211_beacon_get(hw, vif); | |
1106 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, | |
1107 | beacon->data, beacon->len); | |
1108 | ||
1109 | if (ret < 0) { | |
1110 | dev_kfree_skb(beacon); | |
1111 | goto out_sleep; | |
1112 | } | |
1113 | ||
1114 | ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, | |
1115 | beacon->data, beacon->len); | |
1116 | ||
1117 | dev_kfree_skb(beacon); | |
1118 | ||
f5fc0f86 LC |
1119 | if (ret < 0) |
1120 | goto out_sleep; | |
1121 | } | |
1122 | ||
1123 | out_sleep: | |
1124 | wl1271_ps_elp_sleep(wl); | |
1125 | ||
1126 | out: | |
1127 | mutex_unlock(&wl->mutex); | |
1128 | ||
1129 | return ret; | |
1130 | } | |
1131 | #endif | |
1132 | ||
c7f43e45 LC |
1133 | static int wl1271_join_channel(struct wl1271 *wl, int channel) |
1134 | { | |
1135 | int ret; | |
1136 | /* we need to use a dummy BSSID for now */ | |
1137 | static const u8 dummy_bssid[ETH_ALEN] = { 0x0b, 0xad, 0xde, | |
1138 | 0xad, 0xbe, 0xef }; | |
1139 | ||
1140 | /* disable mac filter, so we hear everything */ | |
1141 | wl->rx_config &= ~CFG_BSSID_FILTER_EN; | |
1142 | ||
1143 | wl->channel = channel; | |
1144 | memcpy(wl->bssid, dummy_bssid, ETH_ALEN); | |
1145 | ||
1146 | ret = wl1271_cmd_join(wl); | |
1147 | if (ret < 0) | |
1148 | goto out; | |
1149 | ||
1150 | wl->joined = true; | |
1151 | ||
1152 | out: | |
1153 | return ret; | |
1154 | } | |
1155 | ||
1156 | static int wl1271_unjoin_channel(struct wl1271 *wl) | |
1157 | { | |
1158 | int ret; | |
1159 | ||
1160 | /* to stop listening to a channel, we disconnect */ | |
1161 | ret = wl1271_cmd_disconnect(wl); | |
1162 | if (ret < 0) | |
1163 | goto out; | |
1164 | ||
1165 | wl->joined = false; | |
1166 | wl->channel = 0; | |
1167 | memset(wl->bssid, 0, ETH_ALEN); | |
1168 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1169 | ||
1170 | out: | |
1171 | return ret; | |
1172 | } | |
1173 | ||
f5fc0f86 LC |
1174 | static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) |
1175 | { | |
1176 | struct wl1271 *wl = hw->priv; | |
1177 | struct ieee80211_conf *conf = &hw->conf; | |
1178 | int channel, ret = 0; | |
1179 | ||
1180 | channel = ieee80211_frequency_to_channel(conf->channel->center_freq); | |
1181 | ||
c7f43e45 | 1182 | wl1271_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d %s", |
f5fc0f86 LC |
1183 | channel, |
1184 | conf->flags & IEEE80211_CONF_PS ? "on" : "off", | |
c7f43e45 LC |
1185 | conf->power_level, |
1186 | conf->flags & IEEE80211_CONF_IDLE ? "idle" : "in use"); | |
f5fc0f86 LC |
1187 | |
1188 | mutex_lock(&wl->mutex); | |
1189 | ||
8a5a37a6 JO |
1190 | wl->band = conf->channel->band; |
1191 | ||
f5fc0f86 LC |
1192 | ret = wl1271_ps_elp_wakeup(wl, false); |
1193 | if (ret < 0) | |
1194 | goto out; | |
1195 | ||
c7f43e45 LC |
1196 | if (changed & IEEE80211_CONF_CHANGE_IDLE) { |
1197 | if (conf->flags & IEEE80211_CONF_IDLE && wl->joined) | |
1198 | wl1271_unjoin_channel(wl); | |
1199 | else | |
1200 | wl1271_join_channel(wl, channel); | |
f5fc0f86 LC |
1201 | } |
1202 | ||
c7f43e45 LC |
1203 | /* if the channel changes while joined, join again */ |
1204 | if (channel != wl->channel && wl->joined) | |
1205 | wl1271_join_channel(wl, channel); | |
1206 | ||
f5fc0f86 LC |
1207 | if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { |
1208 | wl1271_info("psm enabled"); | |
1209 | ||
1210 | wl->psm_requested = true; | |
1211 | ||
1212 | /* | |
1213 | * We enter PSM only if we're already associated. | |
1214 | * If we're not, we'll enter it when joining an SSID, | |
1215 | * through the bss_info_changed() hook. | |
1216 | */ | |
1217 | ret = wl1271_ps_set_mode(wl, STATION_POWER_SAVE_MODE); | |
1218 | } else if (!(conf->flags & IEEE80211_CONF_PS) && | |
1219 | wl->psm_requested) { | |
1220 | wl1271_info("psm disabled"); | |
1221 | ||
1222 | wl->psm_requested = false; | |
1223 | ||
1224 | if (wl->psm) | |
1225 | ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE); | |
1226 | } | |
1227 | ||
1228 | if (conf->power_level != wl->power_level) { | |
1229 | ret = wl1271_acx_tx_power(wl, conf->power_level); | |
1230 | if (ret < 0) | |
c6317a54 | 1231 | goto out_sleep; |
f5fc0f86 LC |
1232 | |
1233 | wl->power_level = conf->power_level; | |
1234 | } | |
1235 | ||
1236 | out_sleep: | |
1237 | wl1271_ps_elp_sleep(wl); | |
1238 | ||
1239 | out: | |
1240 | mutex_unlock(&wl->mutex); | |
1241 | ||
1242 | return ret; | |
1243 | } | |
1244 | ||
b54853f1 JO |
1245 | struct wl1271_filter_params { |
1246 | bool enabled; | |
1247 | int mc_list_length; | |
1248 | u8 mc_list[ACX_MC_ADDRESS_GROUP_MAX][ETH_ALEN]; | |
1249 | }; | |
1250 | ||
c87dec9f JO |
1251 | static u64 wl1271_op_prepare_multicast(struct ieee80211_hw *hw, int mc_count, |
1252 | struct dev_addr_list *mc_list) | |
1253 | { | |
c87dec9f | 1254 | struct wl1271_filter_params *fp; |
c87dec9f JO |
1255 | int i; |
1256 | ||
74441130 | 1257 | fp = kzalloc(sizeof(*fp), GFP_ATOMIC); |
c87dec9f JO |
1258 | if (!fp) { |
1259 | wl1271_error("Out of memory setting filters."); | |
1260 | return 0; | |
1261 | } | |
1262 | ||
1263 | /* update multicast filtering parameters */ | |
b54853f1 | 1264 | fp->enabled = true; |
c87dec9f JO |
1265 | if (mc_count > ACX_MC_ADDRESS_GROUP_MAX) { |
1266 | mc_count = 0; | |
b54853f1 | 1267 | fp->enabled = false; |
c87dec9f JO |
1268 | } |
1269 | ||
1270 | fp->mc_list_length = 0; | |
1271 | for (i = 0; i < mc_count; i++) { | |
1272 | if (mc_list->da_addrlen == ETH_ALEN) { | |
1273 | memcpy(fp->mc_list[fp->mc_list_length], | |
1274 | mc_list->da_addr, ETH_ALEN); | |
1275 | fp->mc_list_length++; | |
1276 | } else | |
1277 | wl1271_warning("Unknown mc address length."); | |
74441130 | 1278 | mc_list = mc_list->next; |
c87dec9f JO |
1279 | } |
1280 | ||
b54853f1 | 1281 | return (u64)(unsigned long)fp; |
c87dec9f | 1282 | } |
f5fc0f86 | 1283 | |
b54853f1 JO |
1284 | #define WL1271_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ |
1285 | FIF_ALLMULTI | \ | |
1286 | FIF_FCSFAIL | \ | |
1287 | FIF_BCN_PRBRESP_PROMISC | \ | |
1288 | FIF_CONTROL | \ | |
1289 | FIF_OTHER_BSS) | |
1290 | ||
f5fc0f86 LC |
1291 | static void wl1271_op_configure_filter(struct ieee80211_hw *hw, |
1292 | unsigned int changed, | |
c87dec9f | 1293 | unsigned int *total, u64 multicast) |
f5fc0f86 | 1294 | { |
b54853f1 | 1295 | struct wl1271_filter_params *fp = (void *)(unsigned long)multicast; |
f5fc0f86 | 1296 | struct wl1271 *wl = hw->priv; |
b54853f1 | 1297 | int ret; |
f5fc0f86 LC |
1298 | |
1299 | wl1271_debug(DEBUG_MAC80211, "mac80211 configure filter"); | |
1300 | ||
b54853f1 JO |
1301 | mutex_lock(&wl->mutex); |
1302 | ||
1303 | if (wl->state == WL1271_STATE_OFF) | |
1304 | goto out; | |
1305 | ||
1306 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1307 | if (ret < 0) | |
1308 | goto out; | |
1309 | ||
f5fc0f86 LC |
1310 | *total &= WL1271_SUPPORTED_FILTERS; |
1311 | changed &= WL1271_SUPPORTED_FILTERS; | |
1312 | ||
b54853f1 JO |
1313 | if (*total & FIF_ALLMULTI) |
1314 | ret = wl1271_acx_group_address_tbl(wl, false, NULL, 0); | |
1315 | else if (fp) | |
1316 | ret = wl1271_acx_group_address_tbl(wl, fp->enabled, | |
1317 | fp->mc_list, | |
1318 | fp->mc_list_length); | |
1319 | if (ret < 0) | |
1320 | goto out_sleep; | |
f5fc0f86 | 1321 | |
b54853f1 JO |
1322 | kfree(fp); |
1323 | ||
1324 | /* FIXME: We still need to set our filters properly */ | |
c87dec9f | 1325 | |
b54853f1 JO |
1326 | /* determine, whether supported filter values have changed */ |
1327 | if (changed == 0) | |
1328 | goto out_sleep; | |
c87dec9f | 1329 | |
b54853f1 JO |
1330 | /* apply configured filters */ |
1331 | ret = wl1271_acx_rx_config(wl, wl->rx_config, wl->rx_filter); | |
1332 | if (ret < 0) | |
1333 | goto out_sleep; | |
1334 | ||
1335 | out_sleep: | |
1336 | wl1271_ps_elp_sleep(wl); | |
1337 | ||
1338 | out: | |
1339 | mutex_unlock(&wl->mutex); | |
f5fc0f86 LC |
1340 | } |
1341 | ||
1342 | static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
1343 | struct ieee80211_vif *vif, | |
1344 | struct ieee80211_sta *sta, | |
1345 | struct ieee80211_key_conf *key_conf) | |
1346 | { | |
1347 | struct wl1271 *wl = hw->priv; | |
1348 | const u8 *addr; | |
1349 | int ret; | |
ac4e4ce5 JO |
1350 | u32 tx_seq_32 = 0; |
1351 | u16 tx_seq_16 = 0; | |
f5fc0f86 LC |
1352 | u8 key_type; |
1353 | ||
1354 | static const u8 bcast_addr[ETH_ALEN] = | |
1355 | { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
1356 | ||
1357 | wl1271_debug(DEBUG_MAC80211, "mac80211 set key"); | |
1358 | ||
1359 | addr = sta ? sta->addr : bcast_addr; | |
1360 | ||
1361 | wl1271_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); | |
1362 | wl1271_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); | |
1363 | wl1271_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", | |
1364 | key_conf->alg, key_conf->keyidx, | |
1365 | key_conf->keylen, key_conf->flags); | |
1366 | wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen); | |
1367 | ||
1368 | if (is_zero_ether_addr(addr)) { | |
1369 | /* We dont support TX only encryption */ | |
1370 | ret = -EOPNOTSUPP; | |
1371 | goto out; | |
1372 | } | |
1373 | ||
1374 | mutex_lock(&wl->mutex); | |
1375 | ||
1376 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1377 | if (ret < 0) | |
1378 | goto out_unlock; | |
1379 | ||
1380 | switch (key_conf->alg) { | |
1381 | case ALG_WEP: | |
1382 | key_type = KEY_WEP; | |
1383 | ||
1384 | key_conf->hw_key_idx = key_conf->keyidx; | |
1385 | break; | |
1386 | case ALG_TKIP: | |
1387 | key_type = KEY_TKIP; | |
1388 | ||
1389 | key_conf->hw_key_idx = key_conf->keyidx; | |
ac4e4ce5 JO |
1390 | tx_seq_32 = wl->tx_security_seq_32; |
1391 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1392 | break; |
1393 | case ALG_CCMP: | |
1394 | key_type = KEY_AES; | |
1395 | ||
1396 | key_conf->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
ac4e4ce5 JO |
1397 | tx_seq_32 = wl->tx_security_seq_32; |
1398 | tx_seq_16 = wl->tx_security_seq_16; | |
f5fc0f86 LC |
1399 | break; |
1400 | default: | |
1401 | wl1271_error("Unknown key algo 0x%x", key_conf->alg); | |
1402 | ||
1403 | ret = -EOPNOTSUPP; | |
1404 | goto out_sleep; | |
1405 | } | |
1406 | ||
1407 | switch (cmd) { | |
1408 | case SET_KEY: | |
1409 | ret = wl1271_cmd_set_key(wl, KEY_ADD_OR_REPLACE, | |
1410 | key_conf->keyidx, key_type, | |
1411 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1412 | addr, tx_seq_32, tx_seq_16); |
f5fc0f86 LC |
1413 | if (ret < 0) { |
1414 | wl1271_error("Could not add or replace key"); | |
1415 | goto out_sleep; | |
1416 | } | |
1417 | break; | |
1418 | ||
1419 | case DISABLE_KEY: | |
1420 | ret = wl1271_cmd_set_key(wl, KEY_REMOVE, | |
1421 | key_conf->keyidx, key_type, | |
1422 | key_conf->keylen, key_conf->key, | |
ac4e4ce5 | 1423 | addr, 0, 0); |
f5fc0f86 LC |
1424 | if (ret < 0) { |
1425 | wl1271_error("Could not remove key"); | |
1426 | goto out_sleep; | |
1427 | } | |
1428 | break; | |
1429 | ||
1430 | default: | |
1431 | wl1271_error("Unsupported key cmd 0x%x", cmd); | |
1432 | ret = -EOPNOTSUPP; | |
1433 | goto out_sleep; | |
1434 | ||
1435 | break; | |
1436 | } | |
1437 | ||
1438 | out_sleep: | |
1439 | wl1271_ps_elp_sleep(wl); | |
1440 | ||
1441 | out_unlock: | |
1442 | mutex_unlock(&wl->mutex); | |
1443 | ||
1444 | out: | |
1445 | return ret; | |
1446 | } | |
1447 | ||
1448 | static int wl1271_op_hw_scan(struct ieee80211_hw *hw, | |
1449 | struct cfg80211_scan_request *req) | |
1450 | { | |
1451 | struct wl1271 *wl = hw->priv; | |
1452 | int ret; | |
1453 | u8 *ssid = NULL; | |
abb0b3bf | 1454 | size_t len = 0; |
f5fc0f86 LC |
1455 | |
1456 | wl1271_debug(DEBUG_MAC80211, "mac80211 hw scan"); | |
1457 | ||
1458 | if (req->n_ssids) { | |
1459 | ssid = req->ssids[0].ssid; | |
abb0b3bf | 1460 | len = req->ssids[0].ssid_len; |
f5fc0f86 LC |
1461 | } |
1462 | ||
1463 | mutex_lock(&wl->mutex); | |
1464 | ||
1465 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1466 | if (ret < 0) | |
1467 | goto out; | |
1468 | ||
abb0b3bf TP |
1469 | if (wl1271_11a_enabled()) |
1470 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1471 | WL1271_SCAN_BAND_DUAL, 3); | |
1472 | else | |
1473 | ret = wl1271_cmd_scan(hw->priv, ssid, len, 1, 0, | |
1474 | WL1271_SCAN_BAND_2_4_GHZ, 3); | |
f5fc0f86 LC |
1475 | |
1476 | wl1271_ps_elp_sleep(wl); | |
1477 | ||
1478 | out: | |
1479 | mutex_unlock(&wl->mutex); | |
1480 | ||
1481 | return ret; | |
1482 | } | |
1483 | ||
1484 | static int wl1271_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) | |
1485 | { | |
1486 | struct wl1271 *wl = hw->priv; | |
1487 | int ret; | |
1488 | ||
1489 | mutex_lock(&wl->mutex); | |
1490 | ||
1491 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1492 | if (ret < 0) | |
1493 | goto out; | |
1494 | ||
1495 | ret = wl1271_acx_rts_threshold(wl, (u16) value); | |
1496 | if (ret < 0) | |
1497 | wl1271_warning("wl1271_op_set_rts_threshold failed: %d", ret); | |
1498 | ||
1499 | wl1271_ps_elp_sleep(wl); | |
1500 | ||
1501 | out: | |
1502 | mutex_unlock(&wl->mutex); | |
1503 | ||
1504 | return ret; | |
1505 | } | |
1506 | ||
8a5a37a6 JO |
1507 | static u32 wl1271_enabled_rates_get(struct wl1271 *wl, u64 basic_rate_set) |
1508 | { | |
1509 | struct ieee80211_supported_band *band; | |
1510 | u32 enabled_rates = 0; | |
1511 | int bit; | |
1512 | ||
1513 | band = wl->hw->wiphy->bands[wl->band]; | |
1514 | for (bit = 0; bit < band->n_bitrates; bit++) { | |
1515 | if (basic_rate_set & 0x1) | |
1516 | enabled_rates |= band->bitrates[bit].hw_value; | |
1517 | basic_rate_set >>= 1; | |
1518 | } | |
1519 | ||
1520 | return enabled_rates; | |
1521 | } | |
1522 | ||
f5fc0f86 LC |
1523 | static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, |
1524 | struct ieee80211_vif *vif, | |
1525 | struct ieee80211_bss_conf *bss_conf, | |
1526 | u32 changed) | |
1527 | { | |
1528 | enum wl1271_cmd_ps_mode mode; | |
1529 | struct wl1271 *wl = hw->priv; | |
1530 | int ret; | |
1531 | ||
1532 | wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed"); | |
1533 | ||
1534 | mutex_lock(&wl->mutex); | |
1535 | ||
1536 | ret = wl1271_ps_elp_wakeup(wl, false); | |
1537 | if (ret < 0) | |
1538 | goto out; | |
1539 | ||
c7f43e45 LC |
1540 | if ((changed & BSS_CHANGED_BSSID) && |
1541 | /* | |
1542 | * Now we know the correct bssid, so we send a new join command | |
1543 | * and enable the BSSID filter | |
1544 | */ | |
1545 | memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) { | |
1546 | wl->rx_config |= CFG_BSSID_FILTER_EN; | |
1547 | memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); | |
1548 | wl1271_cmd_join(wl); | |
1549 | wl->joined = true; | |
1550 | } | |
1551 | ||
f5fc0f86 LC |
1552 | if (changed & BSS_CHANGED_ASSOC) { |
1553 | if (bss_conf->assoc) { | |
1554 | wl->aid = bss_conf->aid; | |
1555 | ||
ae751bab LC |
1556 | /* |
1557 | * with wl1271, we don't need to update the | |
1558 | * beacon_int and dtim_period, because the firmware | |
1559 | * updates it by itself when the first beacon is | |
1560 | * received after a join. | |
1561 | */ | |
f5fc0f86 LC |
1562 | ret = wl1271_cmd_build_ps_poll(wl, wl->aid); |
1563 | if (ret < 0) | |
1564 | goto out_sleep; | |
1565 | ||
1566 | ret = wl1271_acx_aid(wl, wl->aid); | |
1567 | if (ret < 0) | |
1568 | goto out_sleep; | |
1569 | ||
1570 | /* If we want to go in PSM but we're not there yet */ | |
1571 | if (wl->psm_requested && !wl->psm) { | |
1572 | mode = STATION_POWER_SAVE_MODE; | |
1573 | ret = wl1271_ps_set_mode(wl, mode); | |
1574 | if (ret < 0) | |
1575 | goto out_sleep; | |
1576 | } | |
d94cd297 JO |
1577 | } else { |
1578 | /* use defaults when not associated */ | |
d94cd297 JO |
1579 | wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET; |
1580 | wl->aid = 0; | |
f5fc0f86 | 1581 | } |
d94cd297 | 1582 | |
f5fc0f86 | 1583 | } |
8a5a37a6 | 1584 | |
f5fc0f86 LC |
1585 | if (changed & BSS_CHANGED_ERP_SLOT) { |
1586 | if (bss_conf->use_short_slot) | |
1587 | ret = wl1271_acx_slot(wl, SLOT_TIME_SHORT); | |
1588 | else | |
1589 | ret = wl1271_acx_slot(wl, SLOT_TIME_LONG); | |
1590 | if (ret < 0) { | |
1591 | wl1271_warning("Set slot time failed %d", ret); | |
1592 | goto out_sleep; | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
1597 | if (bss_conf->use_short_preamble) | |
1598 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); | |
1599 | else | |
1600 | wl1271_acx_set_preamble(wl, ACX_PREAMBLE_LONG); | |
1601 | } | |
1602 | ||
1603 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
1604 | if (bss_conf->use_cts_prot) | |
1605 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_ENABLE); | |
1606 | else | |
1607 | ret = wl1271_acx_cts_protect(wl, CTSPROTECT_DISABLE); | |
1608 | if (ret < 0) { | |
1609 | wl1271_warning("Set ctsprotect failed %d", ret); | |
1610 | goto out_sleep; | |
1611 | } | |
1612 | } | |
1613 | ||
8a5a37a6 | 1614 | if (changed & BSS_CHANGED_BASIC_RATES) { |
d94cd297 | 1615 | wl->basic_rate_set = wl1271_enabled_rates_get( |
8a5a37a6 | 1616 | wl, bss_conf->basic_rates); |
d94cd297 | 1617 | |
ae751bab | 1618 | ret = wl1271_acx_rate_policies(wl, wl->basic_rate_set); |
8a5a37a6 JO |
1619 | if (ret < 0) { |
1620 | wl1271_warning("Set rate policies failed %d", ret); | |
1621 | goto out_sleep; | |
1622 | } | |
1623 | } | |
1624 | ||
f5fc0f86 LC |
1625 | out_sleep: |
1626 | wl1271_ps_elp_sleep(wl); | |
1627 | ||
1628 | out: | |
1629 | mutex_unlock(&wl->mutex); | |
1630 | } | |
1631 | ||
1632 | ||
1633 | /* can't be const, mac80211 writes to this */ | |
1634 | static struct ieee80211_rate wl1271_rates[] = { | |
1635 | { .bitrate = 10, | |
2b60100b JO |
1636 | .hw_value = CONF_HW_BIT_RATE_1MBPS, |
1637 | .hw_value_short = CONF_HW_BIT_RATE_1MBPS, }, | |
f5fc0f86 | 1638 | { .bitrate = 20, |
2b60100b JO |
1639 | .hw_value = CONF_HW_BIT_RATE_2MBPS, |
1640 | .hw_value_short = CONF_HW_BIT_RATE_2MBPS, | |
f5fc0f86 LC |
1641 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1642 | { .bitrate = 55, | |
2b60100b JO |
1643 | .hw_value = CONF_HW_BIT_RATE_5_5MBPS, |
1644 | .hw_value_short = CONF_HW_BIT_RATE_5_5MBPS, | |
f5fc0f86 LC |
1645 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1646 | { .bitrate = 110, | |
2b60100b JO |
1647 | .hw_value = CONF_HW_BIT_RATE_11MBPS, |
1648 | .hw_value_short = CONF_HW_BIT_RATE_11MBPS, | |
f5fc0f86 LC |
1649 | .flags = IEEE80211_RATE_SHORT_PREAMBLE }, |
1650 | { .bitrate = 60, | |
2b60100b JO |
1651 | .hw_value = CONF_HW_BIT_RATE_6MBPS, |
1652 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
f5fc0f86 | 1653 | { .bitrate = 90, |
2b60100b JO |
1654 | .hw_value = CONF_HW_BIT_RATE_9MBPS, |
1655 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
f5fc0f86 | 1656 | { .bitrate = 120, |
2b60100b JO |
1657 | .hw_value = CONF_HW_BIT_RATE_12MBPS, |
1658 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
f5fc0f86 | 1659 | { .bitrate = 180, |
2b60100b JO |
1660 | .hw_value = CONF_HW_BIT_RATE_18MBPS, |
1661 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
f5fc0f86 | 1662 | { .bitrate = 240, |
2b60100b JO |
1663 | .hw_value = CONF_HW_BIT_RATE_24MBPS, |
1664 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
f5fc0f86 | 1665 | { .bitrate = 360, |
2b60100b JO |
1666 | .hw_value = CONF_HW_BIT_RATE_36MBPS, |
1667 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
f5fc0f86 | 1668 | { .bitrate = 480, |
2b60100b JO |
1669 | .hw_value = CONF_HW_BIT_RATE_48MBPS, |
1670 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
f5fc0f86 | 1671 | { .bitrate = 540, |
2b60100b JO |
1672 | .hw_value = CONF_HW_BIT_RATE_54MBPS, |
1673 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
f5fc0f86 LC |
1674 | }; |
1675 | ||
1676 | /* can't be const, mac80211 writes to this */ | |
1677 | static struct ieee80211_channel wl1271_channels[] = { | |
1678 | { .hw_value = 1, .center_freq = 2412}, | |
1679 | { .hw_value = 2, .center_freq = 2417}, | |
1680 | { .hw_value = 3, .center_freq = 2422}, | |
1681 | { .hw_value = 4, .center_freq = 2427}, | |
1682 | { .hw_value = 5, .center_freq = 2432}, | |
1683 | { .hw_value = 6, .center_freq = 2437}, | |
1684 | { .hw_value = 7, .center_freq = 2442}, | |
1685 | { .hw_value = 8, .center_freq = 2447}, | |
1686 | { .hw_value = 9, .center_freq = 2452}, | |
1687 | { .hw_value = 10, .center_freq = 2457}, | |
1688 | { .hw_value = 11, .center_freq = 2462}, | |
1689 | { .hw_value = 12, .center_freq = 2467}, | |
1690 | { .hw_value = 13, .center_freq = 2472}, | |
1691 | }; | |
1692 | ||
1693 | /* can't be const, mac80211 writes to this */ | |
1694 | static struct ieee80211_supported_band wl1271_band_2ghz = { | |
1695 | .channels = wl1271_channels, | |
1696 | .n_channels = ARRAY_SIZE(wl1271_channels), | |
1697 | .bitrates = wl1271_rates, | |
1698 | .n_bitrates = ARRAY_SIZE(wl1271_rates), | |
1699 | }; | |
1700 | ||
1ebec3d7 TP |
1701 | /* 5 GHz data rates for WL1273 */ |
1702 | static struct ieee80211_rate wl1271_rates_5ghz[] = { | |
1703 | { .bitrate = 60, | |
1704 | .hw_value = CONF_HW_BIT_RATE_6MBPS, | |
1705 | .hw_value_short = CONF_HW_BIT_RATE_6MBPS, }, | |
1706 | { .bitrate = 90, | |
1707 | .hw_value = CONF_HW_BIT_RATE_9MBPS, | |
1708 | .hw_value_short = CONF_HW_BIT_RATE_9MBPS, }, | |
1709 | { .bitrate = 120, | |
1710 | .hw_value = CONF_HW_BIT_RATE_12MBPS, | |
1711 | .hw_value_short = CONF_HW_BIT_RATE_12MBPS, }, | |
1712 | { .bitrate = 180, | |
1713 | .hw_value = CONF_HW_BIT_RATE_18MBPS, | |
1714 | .hw_value_short = CONF_HW_BIT_RATE_18MBPS, }, | |
1715 | { .bitrate = 240, | |
1716 | .hw_value = CONF_HW_BIT_RATE_24MBPS, | |
1717 | .hw_value_short = CONF_HW_BIT_RATE_24MBPS, }, | |
1718 | { .bitrate = 360, | |
1719 | .hw_value = CONF_HW_BIT_RATE_36MBPS, | |
1720 | .hw_value_short = CONF_HW_BIT_RATE_36MBPS, }, | |
1721 | { .bitrate = 480, | |
1722 | .hw_value = CONF_HW_BIT_RATE_48MBPS, | |
1723 | .hw_value_short = CONF_HW_BIT_RATE_48MBPS, }, | |
1724 | { .bitrate = 540, | |
1725 | .hw_value = CONF_HW_BIT_RATE_54MBPS, | |
1726 | .hw_value_short = CONF_HW_BIT_RATE_54MBPS, }, | |
1727 | }; | |
1728 | ||
1729 | /* 5 GHz band channels for WL1273 */ | |
1730 | static struct ieee80211_channel wl1271_channels_5ghz[] = { | |
1731 | { .hw_value = 183, .center_freq = 4915}, | |
1732 | { .hw_value = 184, .center_freq = 4920}, | |
1733 | { .hw_value = 185, .center_freq = 4925}, | |
1734 | { .hw_value = 187, .center_freq = 4935}, | |
1735 | { .hw_value = 188, .center_freq = 4940}, | |
1736 | { .hw_value = 189, .center_freq = 4945}, | |
1737 | { .hw_value = 192, .center_freq = 4960}, | |
1738 | { .hw_value = 196, .center_freq = 4980}, | |
1739 | { .hw_value = 7, .center_freq = 5035}, | |
1740 | { .hw_value = 8, .center_freq = 5040}, | |
1741 | { .hw_value = 9, .center_freq = 5045}, | |
1742 | { .hw_value = 11, .center_freq = 5055}, | |
1743 | { .hw_value = 12, .center_freq = 5060}, | |
1744 | { .hw_value = 16, .center_freq = 5080}, | |
1745 | { .hw_value = 34, .center_freq = 5170}, | |
1746 | { .hw_value = 36, .center_freq = 5180}, | |
1747 | { .hw_value = 38, .center_freq = 5190}, | |
1748 | { .hw_value = 40, .center_freq = 5200}, | |
1749 | { .hw_value = 42, .center_freq = 5210}, | |
1750 | { .hw_value = 44, .center_freq = 5220}, | |
1751 | { .hw_value = 46, .center_freq = 5230}, | |
1752 | { .hw_value = 48, .center_freq = 5240}, | |
1753 | { .hw_value = 52, .center_freq = 5260}, | |
1754 | { .hw_value = 56, .center_freq = 5280}, | |
1755 | { .hw_value = 60, .center_freq = 5300}, | |
1756 | { .hw_value = 64, .center_freq = 5320}, | |
1757 | { .hw_value = 100, .center_freq = 5500}, | |
1758 | { .hw_value = 104, .center_freq = 5520}, | |
1759 | { .hw_value = 108, .center_freq = 5540}, | |
1760 | { .hw_value = 112, .center_freq = 5560}, | |
1761 | { .hw_value = 116, .center_freq = 5580}, | |
1762 | { .hw_value = 120, .center_freq = 5600}, | |
1763 | { .hw_value = 124, .center_freq = 5620}, | |
1764 | { .hw_value = 128, .center_freq = 5640}, | |
1765 | { .hw_value = 132, .center_freq = 5660}, | |
1766 | { .hw_value = 136, .center_freq = 5680}, | |
1767 | { .hw_value = 140, .center_freq = 5700}, | |
1768 | { .hw_value = 149, .center_freq = 5745}, | |
1769 | { .hw_value = 153, .center_freq = 5765}, | |
1770 | { .hw_value = 157, .center_freq = 5785}, | |
1771 | { .hw_value = 161, .center_freq = 5805}, | |
1772 | { .hw_value = 165, .center_freq = 5825}, | |
1773 | }; | |
1774 | ||
1775 | ||
1776 | static struct ieee80211_supported_band wl1271_band_5ghz = { | |
1777 | .channels = wl1271_channels_5ghz, | |
1778 | .n_channels = ARRAY_SIZE(wl1271_channels_5ghz), | |
1779 | .bitrates = wl1271_rates_5ghz, | |
1780 | .n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz), | |
1781 | }; | |
1782 | ||
f5fc0f86 LC |
1783 | static const struct ieee80211_ops wl1271_ops = { |
1784 | .start = wl1271_op_start, | |
1785 | .stop = wl1271_op_stop, | |
1786 | .add_interface = wl1271_op_add_interface, | |
1787 | .remove_interface = wl1271_op_remove_interface, | |
1788 | .config = wl1271_op_config, | |
1789 | /* .config_interface = wl1271_op_config_interface, */ | |
c87dec9f | 1790 | .prepare_multicast = wl1271_op_prepare_multicast, |
f5fc0f86 LC |
1791 | .configure_filter = wl1271_op_configure_filter, |
1792 | .tx = wl1271_op_tx, | |
1793 | .set_key = wl1271_op_set_key, | |
1794 | .hw_scan = wl1271_op_hw_scan, | |
1795 | .bss_info_changed = wl1271_op_bss_info_changed, | |
1796 | .set_rts_threshold = wl1271_op_set_rts_threshold, | |
1797 | }; | |
1798 | ||
1799 | static int wl1271_register_hw(struct wl1271 *wl) | |
1800 | { | |
1801 | int ret; | |
1802 | ||
1803 | if (wl->mac80211_registered) | |
1804 | return 0; | |
1805 | ||
1806 | SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); | |
1807 | ||
1808 | ret = ieee80211_register_hw(wl->hw); | |
1809 | if (ret < 0) { | |
1810 | wl1271_error("unable to register mac80211 hw: %d", ret); | |
1811 | return ret; | |
1812 | } | |
1813 | ||
1814 | wl->mac80211_registered = true; | |
1815 | ||
1816 | wl1271_notice("loaded"); | |
1817 | ||
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | static int wl1271_init_ieee80211(struct wl1271 *wl) | |
1822 | { | |
1e2b7976 JO |
1823 | /* The tx descriptor buffer and the TKIP space. */ |
1824 | wl->hw->extra_tx_headroom = WL1271_TKIP_IV_SPACE + | |
1825 | sizeof(struct wl1271_tx_hw_descr); | |
f5fc0f86 LC |
1826 | |
1827 | /* unit us */ | |
1828 | /* FIXME: find a proper value */ | |
1829 | wl->hw->channel_change_time = 10000; | |
1830 | ||
1831 | wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | | |
1922167b | 1832 | IEEE80211_HW_NOISE_DBM | |
03442a33 JO |
1833 | IEEE80211_HW_BEACON_FILTER | |
1834 | IEEE80211_HW_SUPPORTS_PS; | |
f5fc0f86 LC |
1835 | |
1836 | wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); | |
1837 | wl->hw->wiphy->max_scan_ssids = 1; | |
1838 | wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1271_band_2ghz; | |
1839 | ||
1ebec3d7 TP |
1840 | if (wl1271_11a_enabled()) |
1841 | wl->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wl1271_band_5ghz; | |
1842 | ||
f5fc0f86 LC |
1843 | SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); |
1844 | ||
1845 | return 0; | |
1846 | } | |
1847 | ||
1848 | static void wl1271_device_release(struct device *dev) | |
1849 | { | |
1850 | ||
1851 | } | |
1852 | ||
1853 | static struct platform_device wl1271_device = { | |
1854 | .name = "wl1271", | |
1855 | .id = -1, | |
1856 | ||
1857 | /* device model insists to have a release function */ | |
1858 | .dev = { | |
1859 | .release = wl1271_device_release, | |
1860 | }, | |
1861 | }; | |
1862 | ||
1863 | #define WL1271_DEFAULT_CHANNEL 0 | |
1864 | static int __devinit wl1271_probe(struct spi_device *spi) | |
1865 | { | |
1866 | struct wl12xx_platform_data *pdata; | |
1867 | struct ieee80211_hw *hw; | |
1868 | struct wl1271 *wl; | |
1869 | int ret, i; | |
1870 | static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; | |
1871 | ||
1872 | pdata = spi->dev.platform_data; | |
1873 | if (!pdata) { | |
1874 | wl1271_error("no platform data"); | |
1875 | return -ENODEV; | |
1876 | } | |
1877 | ||
1878 | hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops); | |
1879 | if (!hw) { | |
1880 | wl1271_error("could not alloc ieee80211_hw"); | |
1881 | return -ENOMEM; | |
1882 | } | |
1883 | ||
1884 | wl = hw->priv; | |
1885 | memset(wl, 0, sizeof(*wl)); | |
1886 | ||
01c09162 JO |
1887 | INIT_LIST_HEAD(&wl->list); |
1888 | ||
f5fc0f86 LC |
1889 | wl->hw = hw; |
1890 | dev_set_drvdata(&spi->dev, wl); | |
1891 | wl->spi = spi; | |
1892 | ||
1893 | skb_queue_head_init(&wl->tx_queue); | |
1894 | ||
37b70a81 | 1895 | INIT_DELAYED_WORK(&wl->elp_work, wl1271_elp_work); |
f5fc0f86 LC |
1896 | wl->channel = WL1271_DEFAULT_CHANNEL; |
1897 | wl->scanning = false; | |
1898 | wl->default_key = 0; | |
f5fc0f86 LC |
1899 | wl->rx_counter = 0; |
1900 | wl->rx_config = WL1271_DEFAULT_RX_CONFIG; | |
1901 | wl->rx_filter = WL1271_DEFAULT_RX_FILTER; | |
1902 | wl->elp = false; | |
1903 | wl->psm = 0; | |
1904 | wl->psm_requested = false; | |
19ad0715 | 1905 | wl->psm_entry_retry = 0; |
f5fc0f86 LC |
1906 | wl->tx_queue_stopped = false; |
1907 | wl->power_level = WL1271_DEFAULT_POWER_LEVEL; | |
d94cd297 | 1908 | wl->basic_rate_set = WL1271_DEFAULT_BASIC_RATE_SET; |
8a5a37a6 | 1909 | wl->band = IEEE80211_BAND_2GHZ; |
b771eee5 | 1910 | wl->vif = NULL; |
d6e19d13 | 1911 | wl->joined = false; |
f5fc0f86 | 1912 | |
be7078c2 | 1913 | for (i = 0; i < ACX_TX_DESCRIPTORS; i++) |
f5fc0f86 LC |
1914 | wl->tx_frames[i] = NULL; |
1915 | ||
1916 | spin_lock_init(&wl->wl_lock); | |
1917 | ||
1918 | /* | |
1919 | * In case our MAC address is not correctly set, | |
1920 | * we use a random but Nokia MAC. | |
1921 | */ | |
1922 | memcpy(wl->mac_addr, nokia_oui, 3); | |
1923 | get_random_bytes(wl->mac_addr + 3, 3); | |
1924 | ||
1925 | wl->state = WL1271_STATE_OFF; | |
1926 | mutex_init(&wl->mutex); | |
1927 | ||
f5fc0f86 LC |
1928 | /* This is the only SPI value that we need to set here, the rest |
1929 | * comes from the board-peripherals file */ | |
1930 | spi->bits_per_word = 32; | |
1931 | ||
1932 | ret = spi_setup(spi); | |
1933 | if (ret < 0) { | |
1934 | wl1271_error("spi_setup failed"); | |
1935 | goto out_free; | |
1936 | } | |
1937 | ||
1938 | wl->set_power = pdata->set_power; | |
1939 | if (!wl->set_power) { | |
1940 | wl1271_error("set power function missing in platform data"); | |
1941 | ret = -ENODEV; | |
1942 | goto out_free; | |
1943 | } | |
1944 | ||
1945 | wl->irq = spi->irq; | |
1946 | if (wl->irq < 0) { | |
1947 | wl1271_error("irq missing in platform data"); | |
1948 | ret = -ENODEV; | |
1949 | goto out_free; | |
1950 | } | |
1951 | ||
1952 | ret = request_irq(wl->irq, wl1271_irq, 0, DRIVER_NAME, wl); | |
1953 | if (ret < 0) { | |
1954 | wl1271_error("request_irq() failed: %d", ret); | |
1955 | goto out_free; | |
1956 | } | |
1957 | ||
1958 | set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); | |
1959 | ||
1960 | disable_irq(wl->irq); | |
1961 | ||
1962 | ret = platform_device_register(&wl1271_device); | |
1963 | if (ret) { | |
1964 | wl1271_error("couldn't register platform device"); | |
1965 | goto out_irq; | |
1966 | } | |
1967 | dev_set_drvdata(&wl1271_device.dev, wl); | |
1968 | ||
2b60100b JO |
1969 | /* Apply default driver configuration. */ |
1970 | wl1271_conf_init(wl); | |
1971 | ||
f5fc0f86 LC |
1972 | ret = wl1271_init_ieee80211(wl); |
1973 | if (ret) | |
1974 | goto out_platform; | |
1975 | ||
1976 | ret = wl1271_register_hw(wl); | |
1977 | if (ret) | |
1978 | goto out_platform; | |
1979 | ||
1980 | wl1271_debugfs_init(wl); | |
1981 | ||
1982 | wl1271_notice("initialized"); | |
1983 | ||
1984 | return 0; | |
1985 | ||
1986 | out_platform: | |
1987 | platform_device_unregister(&wl1271_device); | |
1988 | ||
1989 | out_irq: | |
1990 | free_irq(wl->irq, wl); | |
1991 | ||
1992 | out_free: | |
f5fc0f86 LC |
1993 | ieee80211_free_hw(hw); |
1994 | ||
1995 | return ret; | |
1996 | } | |
1997 | ||
1998 | static int __devexit wl1271_remove(struct spi_device *spi) | |
1999 | { | |
2000 | struct wl1271 *wl = dev_get_drvdata(&spi->dev); | |
2001 | ||
2002 | ieee80211_unregister_hw(wl->hw); | |
2003 | ||
2004 | wl1271_debugfs_exit(wl); | |
2005 | platform_device_unregister(&wl1271_device); | |
2006 | free_irq(wl->irq, wl); | |
2007 | kfree(wl->target_mem_map); | |
1fba4974 | 2008 | vfree(wl->fw); |
f5fc0f86 LC |
2009 | wl->fw = NULL; |
2010 | kfree(wl->nvs); | |
2011 | wl->nvs = NULL; | |
2012 | ||
f5fc0f86 LC |
2013 | kfree(wl->fw_status); |
2014 | kfree(wl->tx_res_if); | |
2015 | ||
2016 | ieee80211_free_hw(wl->hw); | |
2017 | ||
2018 | return 0; | |
2019 | } | |
2020 | ||
2021 | ||
2022 | static struct spi_driver wl1271_spi_driver = { | |
2023 | .driver = { | |
2024 | .name = "wl1271", | |
2025 | .bus = &spi_bus_type, | |
2026 | .owner = THIS_MODULE, | |
2027 | }, | |
2028 | ||
2029 | .probe = wl1271_probe, | |
2030 | .remove = __devexit_p(wl1271_remove), | |
2031 | }; | |
2032 | ||
2033 | static int __init wl1271_init(void) | |
2034 | { | |
2035 | int ret; | |
2036 | ||
2037 | ret = spi_register_driver(&wl1271_spi_driver); | |
2038 | if (ret < 0) { | |
2039 | wl1271_error("failed to register spi driver: %d", ret); | |
2040 | goto out; | |
2041 | } | |
2042 | ||
2043 | out: | |
2044 | return ret; | |
2045 | } | |
2046 | ||
2047 | static void __exit wl1271_exit(void) | |
2048 | { | |
2049 | spi_unregister_driver(&wl1271_spi_driver); | |
2050 | ||
2051 | wl1271_notice("unloaded"); | |
2052 | } | |
2053 | ||
2054 | module_init(wl1271_init); | |
2055 | module_exit(wl1271_exit); | |
2056 | ||
2057 | MODULE_LICENSE("GPL"); | |
2058 | MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); | |
2f018725 | 2059 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |
49f146de | 2060 | MODULE_FIRMWARE(WL1271_FW_NAME); |