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
29int 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
58out:
59	kfree(bitmap_conf);
60
61	return ret;
62}
63
64int 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
85out:
86	kfree(acx);
87	return ret;
88}
89
90int 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
109out:
110	kfree(acx);
111	return ret;
112}
113
114int 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
139out:
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 */
150int 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
194out:
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 */
203int 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
222out:
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 */
231int 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
250out:
251	kfree(acx);
252	return ret;
253}
254
255int 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
281out:
282	kfree(acx);
283	return ret;
284}
285