1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * This file is part of wl1251 |
4 | * |
5 | * Copyright (C) 2009 Nokia Corporation |
6 | */ |
7 | |
8 | #include <linux/kernel.h> |
9 | #include <linux/module.h> |
10 | #include <linux/slab.h> |
11 | |
12 | #include "init.h" |
13 | #include "wl12xx_80211.h" |
14 | #include "acx.h" |
15 | #include "cmd.h" |
16 | #include "reg.h" |
17 | |
18 | int wl1251_hw_init_hwenc_config(struct wl1251 *wl) |
19 | { |
20 | int ret; |
21 | |
22 | ret = wl1251_acx_feature_cfg(wl, data_flow_options: 0); |
23 | if (ret < 0) { |
24 | wl1251_warning("couldn't set feature config" ); |
25 | return ret; |
26 | } |
27 | |
28 | ret = wl1251_acx_default_key(wl, key_id: wl->default_key); |
29 | if (ret < 0) { |
30 | wl1251_warning("couldn't set default key" ); |
31 | return ret; |
32 | } |
33 | |
34 | return 0; |
35 | } |
36 | |
37 | int wl1251_hw_init_templates_config(struct wl1251 *wl) |
38 | { |
39 | int ret; |
40 | u8 partial_vbm[PARTIAL_VBM_MAX]; |
41 | |
42 | /* send empty templates for fw memory reservation */ |
43 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_PROBE_REQ, NULL, |
44 | buf_len: sizeof(struct wl12xx_probe_req_template)); |
45 | if (ret < 0) |
46 | return ret; |
47 | |
48 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_NULL_DATA, NULL, |
49 | buf_len: sizeof(struct wl12xx_null_data_template)); |
50 | if (ret < 0) |
51 | return ret; |
52 | |
53 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_PS_POLL, NULL, |
54 | buf_len: sizeof(struct wl12xx_ps_poll_template)); |
55 | if (ret < 0) |
56 | return ret; |
57 | |
58 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_QOS_NULL_DATA, NULL, |
59 | buf_len: sizeof |
60 | (struct wl12xx_qos_null_data_template)); |
61 | if (ret < 0) |
62 | return ret; |
63 | |
64 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_PROBE_RESP, NULL, |
65 | buf_len: sizeof |
66 | (struct wl12xx_probe_resp_template)); |
67 | if (ret < 0) |
68 | return ret; |
69 | |
70 | ret = wl1251_cmd_template_set(wl, cmd_id: CMD_BEACON, NULL, |
71 | buf_len: sizeof |
72 | (struct wl12xx_beacon_template)); |
73 | if (ret < 0) |
74 | return ret; |
75 | |
76 | /* tim templates, first reserve space then allocate an empty one */ |
77 | memset(partial_vbm, 0, PARTIAL_VBM_MAX); |
78 | ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, bitmap: partial_vbm, PARTIAL_VBM_MAX, bitmap_control: 0); |
79 | if (ret < 0) |
80 | return ret; |
81 | |
82 | ret = wl1251_cmd_vbm(wl, TIM_ELE_ID, bitmap: partial_vbm, bitmap_len: 1, bitmap_control: 0); |
83 | if (ret < 0) |
84 | return ret; |
85 | |
86 | return 0; |
87 | } |
88 | |
89 | int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter) |
90 | { |
91 | int ret; |
92 | |
93 | ret = wl1251_acx_rx_msdu_life_time(wl, RX_MSDU_LIFETIME_DEF); |
94 | if (ret < 0) |
95 | return ret; |
96 | |
97 | ret = wl1251_acx_rx_config(wl, config, filter); |
98 | if (ret < 0) |
99 | return ret; |
100 | |
101 | return 0; |
102 | } |
103 | |
104 | int wl1251_hw_init_phy_config(struct wl1251 *wl) |
105 | { |
106 | int ret; |
107 | |
108 | ret = wl1251_acx_pd_threshold(wl); |
109 | if (ret < 0) |
110 | return ret; |
111 | |
112 | ret = wl1251_acx_slot(wl, slot_time: DEFAULT_SLOT_TIME); |
113 | if (ret < 0) |
114 | return ret; |
115 | |
116 | ret = wl1251_acx_group_address_tbl(wl, enable: true, NULL, mc_list_len: 0); |
117 | if (ret < 0) |
118 | return ret; |
119 | |
120 | ret = wl1251_acx_service_period_timeout(wl); |
121 | if (ret < 0) |
122 | return ret; |
123 | |
124 | ret = wl1251_acx_rts_threshold(wl, RTS_THRESHOLD_DEF); |
125 | if (ret < 0) |
126 | return ret; |
127 | |
128 | return 0; |
129 | } |
130 | |
131 | int wl1251_hw_init_beacon_filter(struct wl1251 *wl) |
132 | { |
133 | int ret; |
134 | |
135 | /* disable beacon filtering at this stage */ |
136 | ret = wl1251_acx_beacon_filter_opt(wl, enable_filter: false); |
137 | if (ret < 0) |
138 | return ret; |
139 | |
140 | ret = wl1251_acx_beacon_filter_table(wl); |
141 | if (ret < 0) |
142 | return ret; |
143 | |
144 | return 0; |
145 | } |
146 | |
147 | int wl1251_hw_init_pta(struct wl1251 *wl) |
148 | { |
149 | int ret; |
150 | |
151 | ret = wl1251_acx_sg_enable(wl); |
152 | if (ret < 0) |
153 | return ret; |
154 | |
155 | ret = wl1251_acx_sg_cfg(wl); |
156 | if (ret < 0) |
157 | return ret; |
158 | |
159 | return 0; |
160 | } |
161 | |
162 | int wl1251_hw_init_energy_detection(struct wl1251 *wl) |
163 | { |
164 | int ret; |
165 | |
166 | ret = wl1251_acx_cca_threshold(wl); |
167 | if (ret < 0) |
168 | return ret; |
169 | |
170 | return 0; |
171 | } |
172 | |
173 | int wl1251_hw_init_beacon_broadcast(struct wl1251 *wl) |
174 | { |
175 | int ret; |
176 | |
177 | ret = wl1251_acx_bcn_dtim_options(wl); |
178 | if (ret < 0) |
179 | return ret; |
180 | |
181 | return 0; |
182 | } |
183 | |
184 | int wl1251_hw_init_power_auth(struct wl1251 *wl) |
185 | { |
186 | return wl1251_acx_sleep_auth(wl, sleep_auth: WL1251_PSM_CAM); |
187 | } |
188 | |
189 | int wl1251_hw_init_mem_config(struct wl1251 *wl) |
190 | { |
191 | int ret; |
192 | |
193 | ret = wl1251_acx_mem_cfg(wl); |
194 | if (ret < 0) |
195 | return ret; |
196 | |
197 | wl->target_mem_map = kzalloc(size: sizeof(struct wl1251_acx_mem_map), |
198 | GFP_KERNEL); |
199 | if (!wl->target_mem_map) { |
200 | wl1251_error("couldn't allocate target memory map" ); |
201 | return -ENOMEM; |
202 | } |
203 | |
204 | /* we now ask for the firmware built memory map */ |
205 | ret = wl1251_acx_mem_map(wl, mem_map: wl->target_mem_map, |
206 | len: sizeof(struct wl1251_acx_mem_map)); |
207 | if (ret < 0) { |
208 | wl1251_error("couldn't retrieve firmware memory map" ); |
209 | kfree(objp: wl->target_mem_map); |
210 | wl->target_mem_map = NULL; |
211 | return ret; |
212 | } |
213 | |
214 | return 0; |
215 | } |
216 | |
217 | static int wl1251_hw_init_txq_fill(u8 qid, |
218 | struct acx_tx_queue_qos_config *config, |
219 | u32 num_blocks) |
220 | { |
221 | config->qid = qid; |
222 | |
223 | switch (qid) { |
224 | case QOS_AC_BE: |
225 | config->high_threshold = |
226 | (QOS_TX_HIGH_BE_DEF * num_blocks) / 100; |
227 | config->low_threshold = |
228 | (QOS_TX_LOW_BE_DEF * num_blocks) / 100; |
229 | break; |
230 | case QOS_AC_BK: |
231 | config->high_threshold = |
232 | (QOS_TX_HIGH_BK_DEF * num_blocks) / 100; |
233 | config->low_threshold = |
234 | (QOS_TX_LOW_BK_DEF * num_blocks) / 100; |
235 | break; |
236 | case QOS_AC_VI: |
237 | config->high_threshold = |
238 | (QOS_TX_HIGH_VI_DEF * num_blocks) / 100; |
239 | config->low_threshold = |
240 | (QOS_TX_LOW_VI_DEF * num_blocks) / 100; |
241 | break; |
242 | case QOS_AC_VO: |
243 | config->high_threshold = |
244 | (QOS_TX_HIGH_VO_DEF * num_blocks) / 100; |
245 | config->low_threshold = |
246 | (QOS_TX_LOW_VO_DEF * num_blocks) / 100; |
247 | break; |
248 | default: |
249 | wl1251_error("Invalid TX queue id: %d" , qid); |
250 | return -EINVAL; |
251 | } |
252 | |
253 | return 0; |
254 | } |
255 | |
256 | static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl) |
257 | { |
258 | struct acx_tx_queue_qos_config *config; |
259 | struct wl1251_acx_mem_map *wl_mem_map = wl->target_mem_map; |
260 | int ret, i; |
261 | |
262 | wl1251_debug(DEBUG_ACX, "acx tx queue config" ); |
263 | |
264 | config = kzalloc(size: sizeof(*config), GFP_KERNEL); |
265 | if (!config) { |
266 | ret = -ENOMEM; |
267 | goto out; |
268 | } |
269 | |
270 | for (i = 0; i < MAX_NUM_OF_AC; i++) { |
271 | ret = wl1251_hw_init_txq_fill(qid: i, config, |
272 | num_blocks: wl_mem_map->num_tx_mem_blocks); |
273 | if (ret < 0) |
274 | goto out; |
275 | |
276 | ret = wl1251_cmd_configure(wl, id: ACX_TX_QUEUE_CFG, |
277 | buf: config, len: sizeof(*config)); |
278 | if (ret < 0) |
279 | goto out; |
280 | } |
281 | |
282 | wl1251_acx_ac_cfg(wl, ac: AC_BE, CWMIN_BE, CWMAX_BE, AIFS_DIFS, TXOP_BE); |
283 | wl1251_acx_ac_cfg(wl, ac: AC_BK, CWMIN_BK, CWMAX_BK, AIFS_DIFS, TXOP_BK); |
284 | wl1251_acx_ac_cfg(wl, ac: AC_VI, CWMIN_VI, CWMAX_VI, AIFS_DIFS, TXOP_VI); |
285 | wl1251_acx_ac_cfg(wl, ac: AC_VO, CWMIN_VO, CWMAX_VO, AIFS_DIFS, TXOP_VO); |
286 | |
287 | out: |
288 | kfree(objp: config); |
289 | return ret; |
290 | } |
291 | |
292 | static int wl1251_hw_init_data_path_config(struct wl1251 *wl) |
293 | { |
294 | int ret; |
295 | |
296 | /* asking for the data path parameters */ |
297 | wl->data_path = kzalloc(size: sizeof(struct acx_data_path_params_resp), |
298 | GFP_KERNEL); |
299 | if (!wl->data_path) |
300 | return -ENOMEM; |
301 | |
302 | ret = wl1251_acx_data_path_params(wl, data_path: wl->data_path); |
303 | if (ret < 0) { |
304 | kfree(objp: wl->data_path); |
305 | wl->data_path = NULL; |
306 | return ret; |
307 | } |
308 | |
309 | return 0; |
310 | } |
311 | |
312 | |
313 | int wl1251_hw_init(struct wl1251 *wl) |
314 | { |
315 | struct wl1251_acx_mem_map *wl_mem_map; |
316 | int ret; |
317 | |
318 | ret = wl1251_hw_init_hwenc_config(wl); |
319 | if (ret < 0) |
320 | return ret; |
321 | |
322 | /* Template settings */ |
323 | ret = wl1251_hw_init_templates_config(wl); |
324 | if (ret < 0) |
325 | return ret; |
326 | |
327 | /* Default memory configuration */ |
328 | ret = wl1251_hw_init_mem_config(wl); |
329 | if (ret < 0) |
330 | return ret; |
331 | |
332 | /* Default data path configuration */ |
333 | ret = wl1251_hw_init_data_path_config(wl); |
334 | if (ret < 0) |
335 | goto out_free_memmap; |
336 | |
337 | /* RX config */ |
338 | ret = wl1251_hw_init_rx_config(wl, |
339 | RX_CFG_PROMISCUOUS | RX_CFG_TSF, |
340 | RX_FILTER_OPTION_DEF); |
341 | /* RX_CONFIG_OPTION_ANY_DST_ANY_BSS, |
342 | RX_FILTER_OPTION_FILTER_ALL); */ |
343 | if (ret < 0) |
344 | goto out_free_data_path; |
345 | |
346 | /* TX queues config */ |
347 | ret = wl1251_hw_init_tx_queue_config(wl); |
348 | if (ret < 0) |
349 | goto out_free_data_path; |
350 | |
351 | /* PHY layer config */ |
352 | ret = wl1251_hw_init_phy_config(wl); |
353 | if (ret < 0) |
354 | goto out_free_data_path; |
355 | |
356 | /* Initialize connection monitoring thresholds */ |
357 | ret = wl1251_acx_conn_monit_params(wl); |
358 | if (ret < 0) |
359 | goto out_free_data_path; |
360 | |
361 | /* Beacon filtering */ |
362 | ret = wl1251_hw_init_beacon_filter(wl); |
363 | if (ret < 0) |
364 | goto out_free_data_path; |
365 | |
366 | /* Bluetooth WLAN coexistence */ |
367 | ret = wl1251_hw_init_pta(wl); |
368 | if (ret < 0) |
369 | goto out_free_data_path; |
370 | |
371 | /* Energy detection */ |
372 | ret = wl1251_hw_init_energy_detection(wl); |
373 | if (ret < 0) |
374 | goto out_free_data_path; |
375 | |
376 | /* Beacons and broadcast settings */ |
377 | ret = wl1251_hw_init_beacon_broadcast(wl); |
378 | if (ret < 0) |
379 | goto out_free_data_path; |
380 | |
381 | /* Enable rx data path */ |
382 | ret = wl1251_cmd_data_path_rx(wl, channel: wl->channel, enable: 1); |
383 | if (ret < 0) |
384 | goto out_free_data_path; |
385 | |
386 | /* Enable tx data path */ |
387 | ret = wl1251_cmd_data_path_tx(wl, channel: wl->channel, enable: 1); |
388 | if (ret < 0) |
389 | goto out_free_data_path; |
390 | |
391 | /* Default power state */ |
392 | ret = wl1251_hw_init_power_auth(wl); |
393 | if (ret < 0) |
394 | goto out_free_data_path; |
395 | |
396 | wl_mem_map = wl->target_mem_map; |
397 | wl1251_info("%d tx blocks at 0x%x, %d rx blocks at 0x%x" , |
398 | wl_mem_map->num_tx_mem_blocks, |
399 | wl->data_path->tx_control_addr, |
400 | wl_mem_map->num_rx_mem_blocks, |
401 | wl->data_path->rx_control_addr); |
402 | |
403 | return 0; |
404 | |
405 | out_free_data_path: |
406 | kfree(objp: wl->data_path); |
407 | |
408 | out_free_memmap: |
409 | kfree(objp: wl->target_mem_map); |
410 | |
411 | return ret; |
412 | } |
413 | |