xref: /openbmc/linux/drivers/net/wireless/ti/wl18xx/acx.c (revision feac8c8b)
1 /*
2  * This file is part of wl18xx
3  *
4  * Copyright (C) 2011 Texas Instruments Inc.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  *
20  */
21 
22 #include "../wlcore/cmd.h"
23 #include "../wlcore/debug.h"
24 #include "../wlcore/acx.h"
25 
26 #include "acx.h"
27 #include "wl18xx.h"
28 
29 int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
30 				  u32 sdio_blk_size, u32 extra_mem_blks,
31 				  u32 len_field_size)
32 {
33 	struct wl18xx_acx_host_config_bitmap *bitmap_conf;
34 	int ret;
35 
36 	wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
37 		     host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
38 		     len_field_size);
39 
40 	bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
41 	if (!bitmap_conf) {
42 		ret = -ENOMEM;
43 		goto out;
44 	}
45 
46 	bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
47 	bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
48 	bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
49 	bitmap_conf->length_field_size = cpu_to_le32(len_field_size);
50 
51 	ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
52 				   bitmap_conf, sizeof(*bitmap_conf));
53 	if (ret < 0) {
54 		wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
55 		goto out;
56 	}
57 
58 out:
59 	kfree(bitmap_conf);
60 
61 	return ret;
62 }
63 
64 int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
65 {
66 	struct wl18xx_acx_checksum_state *acx;
67 	int ret;
68 
69 	wl1271_debug(DEBUG_ACX, "acx checksum state");
70 
71 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
72 	if (!acx) {
73 		ret = -ENOMEM;
74 		goto out;
75 	}
76 
77 	acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;
78 
79 	ret = wl1271_cmd_configure(wl, ACX_CSUM_CONFIG, acx, sizeof(*acx));
80 	if (ret < 0) {
81 		wl1271_warning("failed to set Tx checksum state: %d", ret);
82 		goto out;
83 	}
84 
85 out:
86 	kfree(acx);
87 	return ret;
88 }
89 
90 int wl18xx_acx_clear_statistics(struct wl1271 *wl)
91 {
92 	struct wl18xx_acx_clear_statistics *acx;
93 	int ret = 0;
94 
95 	wl1271_debug(DEBUG_ACX, "acx clear statistics");
96 
97 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
98 	if (!acx) {
99 		ret = -ENOMEM;
100 		goto out;
101 	}
102 
103 	ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx));
104 	if (ret < 0) {
105 		wl1271_warning("failed to clear firmware statistics: %d", ret);
106 		goto out;
107 	}
108 
109 out:
110 	kfree(acx);
111 	return ret;
112 }
113 
114 int wl18xx_acx_peer_ht_operation_mode(struct wl1271 *wl, u8 hlid, bool wide)
115 {
116 	struct wlcore_peer_ht_operation_mode *acx;
117 	int ret;
118 
119 	wl1271_debug(DEBUG_ACX, "acx peer ht operation mode hlid %d bw %d",
120 		     hlid, wide);
121 
122 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
123 	if (!acx) {
124 		ret = -ENOMEM;
125 		goto out;
126 	}
127 
128 	acx->hlid = hlid;
129 	acx->bandwidth = wide ? WLCORE_BANDWIDTH_40MHZ : WLCORE_BANDWIDTH_20MHZ;
130 
131 	ret = wl1271_cmd_configure(wl, ACX_PEER_HT_OPERATION_MODE_CFG, acx,
132 				   sizeof(*acx));
133 
134 	if (ret < 0) {
135 		wl1271_warning("acx peer ht operation mode failed: %d", ret);
136 		goto out;
137 	}
138 
139 out:
140 	kfree(acx);
141 	return ret;
142 
143 }
144 
145 /*
146  * this command is basically the same as wl1271_acx_ht_capabilities,
147  * with the addition of supported rates. they should be unified in
148  * the next fw api change
149  */
150 int wl18xx_acx_set_peer_cap(struct wl1271 *wl,
151 			    struct ieee80211_sta_ht_cap *ht_cap,
152 			    bool allow_ht_operation,
153 			    u32 rate_set, u8 hlid)
154 {
155 	struct wlcore_acx_peer_cap *acx;
156 	int ret = 0;
157 	u32 ht_capabilites = 0;
158 
159 	wl1271_debug(DEBUG_ACX,
160 		     "acx set cap ht_supp: %d ht_cap: %d rates: 0x%x",
161 		     ht_cap->ht_supported, ht_cap->cap, rate_set);
162 
163 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
164 	if (!acx) {
165 		ret = -ENOMEM;
166 		goto out;
167 	}
168 
169 	if (allow_ht_operation && ht_cap->ht_supported) {
170 		/* no need to translate capabilities - use the spec values */
171 		ht_capabilites = ht_cap->cap;
172 
173 		/*
174 		 * this bit is not employed by the spec but only by FW to
175 		 * indicate peer HT support
176 		 */
177 		ht_capabilites |= WL12XX_HT_CAP_HT_OPERATION;
178 
179 		/* get data from A-MPDU parameters field */
180 		acx->ampdu_max_length = ht_cap->ampdu_factor;
181 		acx->ampdu_min_spacing = ht_cap->ampdu_density;
182 	}
183 
184 	acx->hlid = hlid;
185 	acx->ht_capabilites = cpu_to_le32(ht_capabilites);
186 	acx->supported_rates = cpu_to_le32(rate_set);
187 
188 	ret = wl1271_cmd_configure(wl, ACX_PEER_CAP, acx, sizeof(*acx));
189 	if (ret < 0) {
190 		wl1271_warning("acx ht capabilities setting failed: %d", ret);
191 		goto out;
192 	}
193 
194 out:
195 	kfree(acx);
196 	return ret;
197 }
198 
199 /*
200  * When the host is suspended, we don't want to get any fast-link/PSM
201  * notifications
202  */
203 int wl18xx_acx_interrupt_notify_config(struct wl1271 *wl,
204 				       bool action)
205 {
206 	struct wl18xx_acx_interrupt_notify *acx;
207 	int ret = 0;
208 
209 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
210 	if (!acx) {
211 		ret = -ENOMEM;
212 		goto out;
213 	}
214 
215 	acx->enable = action;
216 	ret = wl1271_cmd_configure(wl, ACX_INTERRUPT_NOTIFY, acx, sizeof(*acx));
217 	if (ret < 0) {
218 		wl1271_warning("acx interrupt notify setting failed: %d", ret);
219 		goto out;
220 	}
221 
222 out:
223 	kfree(acx);
224 	return ret;
225 }
226 
227 /*
228  * When the host is suspended, we can configure the FW to disable RX BA
229  * notifications.
230  */
231 int wl18xx_acx_rx_ba_filter(struct wl1271 *wl, bool action)
232 {
233 	struct wl18xx_acx_rx_ba_filter *acx;
234 	int ret = 0;
235 
236 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
237 	if (!acx) {
238 		ret = -ENOMEM;
239 		goto out;
240 	}
241 
242 	acx->enable = (u32)action;
243 	ret = wl1271_cmd_configure(wl, ACX_RX_BA_FILTER, acx, sizeof(*acx));
244 	if (ret < 0) {
245 		wl1271_warning("acx rx ba activity filter setting failed: %d",
246 			       ret);
247 		goto out;
248 	}
249 
250 out:
251 	kfree(acx);
252 	return ret;
253 }
254 
255 int wl18xx_acx_ap_sleep(struct wl1271 *wl)
256 {
257 	struct wl18xx_priv *priv = wl->priv;
258 	struct acx_ap_sleep_cfg *acx;
259 	struct conf_ap_sleep_settings *conf = &priv->conf.ap_sleep;
260 	int ret;
261 
262 	wl1271_debug(DEBUG_ACX, "acx config ap sleep");
263 
264 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
265 	if (!acx) {
266 		ret = -ENOMEM;
267 		goto out;
268 	}
269 
270 	acx->idle_duty_cycle = conf->idle_duty_cycle;
271 	acx->connected_duty_cycle = conf->connected_duty_cycle;
272 	acx->max_stations_thresh = conf->max_stations_thresh;
273 	acx->idle_conn_thresh = conf->idle_conn_thresh;
274 
275 	ret = wl1271_cmd_configure(wl, ACX_AP_SLEEP_CFG, acx, sizeof(*acx));
276 	if (ret < 0) {
277 		wl1271_warning("acx config ap-sleep failed: %d", ret);
278 		goto out;
279 	}
280 
281 out:
282 	kfree(acx);
283 	return ret;
284 }
285 
286 int wl18xx_acx_dynamic_fw_traces(struct wl1271 *wl)
287 {
288 	struct acx_dynamic_fw_traces_cfg *acx;
289 	int ret;
290 
291 	wl1271_debug(DEBUG_ACX, "acx dynamic fw traces config %d",
292 		     wl->dynamic_fw_traces);
293 
294 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
295 	if (!acx) {
296 		ret = -ENOMEM;
297 		goto out;
298 	}
299 
300 	acx->dynamic_fw_traces = cpu_to_le32(wl->dynamic_fw_traces);
301 
302 	ret = wl1271_cmd_configure(wl, ACX_DYNAMIC_TRACES_CFG,
303 				   acx, sizeof(*acx));
304 	if (ret < 0) {
305 		wl1271_warning("acx config dynamic fw traces failed: %d", ret);
306 		goto out;
307 	}
308 out:
309 	kfree(acx);
310 	return ret;
311 }
312 
313 int wl18xx_acx_time_sync_cfg(struct wl1271 *wl)
314 {
315 	struct acx_time_sync_cfg *acx;
316 	int ret;
317 
318 	wl1271_debug(DEBUG_ACX, "acx time sync cfg: mode %d, addr: %pM",
319 		     wl->conf.sg.params[WL18XX_CONF_SG_TIME_SYNC],
320 		     wl->zone_master_mac_addr);
321 
322 	acx = kzalloc(sizeof(*acx), GFP_KERNEL);
323 	if (!acx) {
324 		ret = -ENOMEM;
325 		goto out;
326 	}
327 
328 	acx->sync_mode = wl->conf.sg.params[WL18XX_CONF_SG_TIME_SYNC];
329 	memcpy(acx->zone_mac_addr, wl->zone_master_mac_addr, ETH_ALEN);
330 
331 	ret = wl1271_cmd_configure(wl, ACX_TIME_SYNC_CFG,
332 				   acx, sizeof(*acx));
333 	if (ret < 0) {
334 		wl1271_warning("acx time sync cfg failed: %d", ret);
335 		goto out;
336 	}
337 out:
338 	kfree(acx);
339 	return ret;
340 }
341