Commit | Line | Data |
---|---|---|
bdcd8170 KV |
1 | |
2 | /* | |
3 | * Copyright (c) 2011 Atheros Communications Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
c6efe578 | 18 | #include <linux/moduleparam.h> |
f7830202 | 19 | #include <linux/errno.h> |
92ecbff4 | 20 | #include <linux/of.h> |
bdcd8170 KV |
21 | #include <linux/mmc/sdio_func.h> |
22 | #include "core.h" | |
23 | #include "cfg80211.h" | |
24 | #include "target.h" | |
25 | #include "debug.h" | |
26 | #include "hif-ops.h" | |
27 | ||
28 | unsigned int debug_mask; | |
003353b0 | 29 | static unsigned int testmode; |
bdcd8170 KV |
30 | |
31 | module_param(debug_mask, uint, 0644); | |
003353b0 | 32 | module_param(testmode, uint, 0644); |
bdcd8170 KV |
33 | |
34 | /* | |
35 | * Include definitions here that can be used to tune the WLAN module | |
36 | * behavior. Different customers can tune the behavior as per their needs, | |
37 | * here. | |
38 | */ | |
39 | ||
40 | /* | |
41 | * This configuration item enable/disable keepalive support. | |
42 | * Keepalive support: In the absence of any data traffic to AP, null | |
43 | * frames will be sent to the AP at periodic interval, to keep the association | |
44 | * active. This configuration item defines the periodic interval. | |
45 | * Use value of zero to disable keepalive support | |
46 | * Default: 60 seconds | |
47 | */ | |
48 | #define WLAN_CONFIG_KEEP_ALIVE_INTERVAL 60 | |
49 | ||
50 | /* | |
51 | * This configuration item sets the value of disconnect timeout | |
52 | * Firmware delays sending the disconnec event to the host for this | |
53 | * timeout after is gets disconnected from the current AP. | |
54 | * If the firmware successly roams within the disconnect timeout | |
55 | * it sends a new connect event | |
56 | */ | |
57 | #define WLAN_CONFIG_DISCONNECT_TIMEOUT 10 | |
58 | ||
59 | #define CONFIG_AR600x_DEBUG_UART_TX_PIN 8 | |
60 | ||
bdcd8170 KV |
61 | #define ATH6KL_DATA_OFFSET 64 |
62 | struct sk_buff *ath6kl_buf_alloc(int size) | |
63 | { | |
64 | struct sk_buff *skb; | |
65 | u16 reserved; | |
66 | ||
67 | /* Add chacheline space at front and back of buffer */ | |
68 | reserved = (2 * L1_CACHE_BYTES) + ATH6KL_DATA_OFFSET + | |
1df94a85 | 69 | sizeof(struct htc_packet) + ATH6KL_HTC_ALIGN_BYTES; |
bdcd8170 KV |
70 | skb = dev_alloc_skb(size + reserved); |
71 | ||
72 | if (skb) | |
73 | skb_reserve(skb, reserved - L1_CACHE_BYTES); | |
74 | return skb; | |
75 | } | |
76 | ||
e29f25f5 | 77 | void ath6kl_init_profile_info(struct ath6kl_vif *vif) |
bdcd8170 | 78 | { |
3450334f VT |
79 | vif->ssid_len = 0; |
80 | memset(vif->ssid, 0, sizeof(vif->ssid)); | |
81 | ||
82 | vif->dot11_auth_mode = OPEN_AUTH; | |
83 | vif->auth_mode = NONE_AUTH; | |
84 | vif->prwise_crypto = NONE_CRYPT; | |
85 | vif->prwise_crypto_len = 0; | |
86 | vif->grp_crypto = NONE_CRYPT; | |
87 | vif->grp_crypto_len = 0; | |
6f2a73f9 | 88 | memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); |
8c8b65e3 VT |
89 | memset(vif->req_bssid, 0, sizeof(vif->req_bssid)); |
90 | memset(vif->bssid, 0, sizeof(vif->bssid)); | |
f74bac54 | 91 | vif->bss_ch = 0; |
bdcd8170 KV |
92 | } |
93 | ||
bdcd8170 KV |
94 | static int ath6kl_set_host_app_area(struct ath6kl *ar) |
95 | { | |
96 | u32 address, data; | |
97 | struct host_app_area host_app_area; | |
98 | ||
99 | /* Fetch the address of the host_app_area_s | |
100 | * instance in the host interest area */ | |
101 | address = ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_app_host_interest)); | |
31024d99 | 102 | address = TARG_VTOP(ar->target_type, address); |
bdcd8170 | 103 | |
addb44be | 104 | if (ath6kl_diag_read32(ar, address, &data)) |
bdcd8170 KV |
105 | return -EIO; |
106 | ||
31024d99 | 107 | address = TARG_VTOP(ar->target_type, data); |
cbf49a6f | 108 | host_app_area.wmi_protocol_ver = cpu_to_le32(WMI_PROTOCOL_VERSION); |
addb44be KV |
109 | if (ath6kl_diag_write(ar, address, (u8 *) &host_app_area, |
110 | sizeof(struct host_app_area))) | |
bdcd8170 KV |
111 | return -EIO; |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
116 | static inline void set_ac2_ep_map(struct ath6kl *ar, | |
117 | u8 ac, | |
118 | enum htc_endpoint_id ep) | |
119 | { | |
120 | ar->ac2ep_map[ac] = ep; | |
121 | ar->ep2ac_map[ep] = ac; | |
122 | } | |
123 | ||
124 | /* connect to a service */ | |
125 | static int ath6kl_connectservice(struct ath6kl *ar, | |
126 | struct htc_service_connect_req *con_req, | |
127 | char *desc) | |
128 | { | |
129 | int status; | |
130 | struct htc_service_connect_resp response; | |
131 | ||
132 | memset(&response, 0, sizeof(response)); | |
133 | ||
ad226ec2 | 134 | status = ath6kl_htc_conn_service(ar->htc_target, con_req, &response); |
bdcd8170 KV |
135 | if (status) { |
136 | ath6kl_err("failed to connect to %s service status:%d\n", | |
137 | desc, status); | |
138 | return status; | |
139 | } | |
140 | ||
141 | switch (con_req->svc_id) { | |
142 | case WMI_CONTROL_SVC: | |
143 | if (test_bit(WMI_ENABLED, &ar->flag)) | |
144 | ath6kl_wmi_set_control_ep(ar->wmi, response.endpoint); | |
145 | ar->ctrl_ep = response.endpoint; | |
146 | break; | |
147 | case WMI_DATA_BE_SVC: | |
148 | set_ac2_ep_map(ar, WMM_AC_BE, response.endpoint); | |
149 | break; | |
150 | case WMI_DATA_BK_SVC: | |
151 | set_ac2_ep_map(ar, WMM_AC_BK, response.endpoint); | |
152 | break; | |
153 | case WMI_DATA_VI_SVC: | |
154 | set_ac2_ep_map(ar, WMM_AC_VI, response.endpoint); | |
155 | break; | |
156 | case WMI_DATA_VO_SVC: | |
157 | set_ac2_ep_map(ar, WMM_AC_VO, response.endpoint); | |
158 | break; | |
159 | default: | |
160 | ath6kl_err("service id is not mapped %d\n", con_req->svc_id); | |
161 | return -EINVAL; | |
162 | } | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | static int ath6kl_init_service_ep(struct ath6kl *ar) | |
168 | { | |
169 | struct htc_service_connect_req connect; | |
170 | ||
171 | memset(&connect, 0, sizeof(connect)); | |
172 | ||
173 | /* these fields are the same for all service endpoints */ | |
174 | connect.ep_cb.rx = ath6kl_rx; | |
175 | connect.ep_cb.rx_refill = ath6kl_rx_refill; | |
176 | connect.ep_cb.tx_full = ath6kl_tx_queue_full; | |
177 | ||
178 | /* | |
179 | * Set the max queue depth so that our ath6kl_tx_queue_full handler | |
180 | * gets called. | |
181 | */ | |
182 | connect.max_txq_depth = MAX_DEFAULT_SEND_QUEUE_DEPTH; | |
183 | connect.ep_cb.rx_refill_thresh = ATH6KL_MAX_RX_BUFFERS / 4; | |
184 | if (!connect.ep_cb.rx_refill_thresh) | |
185 | connect.ep_cb.rx_refill_thresh++; | |
186 | ||
187 | /* connect to control service */ | |
188 | connect.svc_id = WMI_CONTROL_SVC; | |
189 | if (ath6kl_connectservice(ar, &connect, "WMI CONTROL")) | |
190 | return -EIO; | |
191 | ||
192 | connect.flags |= HTC_FLGS_TX_BNDL_PAD_EN; | |
193 | ||
194 | /* | |
195 | * Limit the HTC message size on the send path, although e can | |
196 | * receive A-MSDU frames of 4K, we will only send ethernet-sized | |
197 | * (802.3) frames on the send path. | |
198 | */ | |
199 | connect.max_rxmsg_sz = WMI_MAX_TX_DATA_FRAME_LENGTH; | |
200 | ||
201 | /* | |
202 | * To reduce the amount of committed memory for larger A_MSDU | |
203 | * frames, use the recv-alloc threshold mechanism for larger | |
204 | * packets. | |
205 | */ | |
206 | connect.ep_cb.rx_alloc_thresh = ATH6KL_BUFFER_SIZE; | |
207 | connect.ep_cb.rx_allocthresh = ath6kl_alloc_amsdu_rxbuf; | |
208 | ||
209 | /* | |
210 | * For the remaining data services set the connection flag to | |
211 | * reduce dribbling, if configured to do so. | |
212 | */ | |
213 | connect.conn_flags |= HTC_CONN_FLGS_REDUCE_CRED_DRIB; | |
214 | connect.conn_flags &= ~HTC_CONN_FLGS_THRESH_MASK; | |
215 | connect.conn_flags |= HTC_CONN_FLGS_THRESH_LVL_HALF; | |
216 | ||
217 | connect.svc_id = WMI_DATA_BE_SVC; | |
218 | ||
219 | if (ath6kl_connectservice(ar, &connect, "WMI DATA BE")) | |
220 | return -EIO; | |
221 | ||
222 | /* connect to back-ground map this to WMI LOW_PRI */ | |
223 | connect.svc_id = WMI_DATA_BK_SVC; | |
224 | if (ath6kl_connectservice(ar, &connect, "WMI DATA BK")) | |
225 | return -EIO; | |
226 | ||
227 | /* connect to Video service, map this to to HI PRI */ | |
228 | connect.svc_id = WMI_DATA_VI_SVC; | |
229 | if (ath6kl_connectservice(ar, &connect, "WMI DATA VI")) | |
230 | return -EIO; | |
231 | ||
232 | /* | |
233 | * Connect to VO service, this is currently not mapped to a WMI | |
234 | * priority stream due to historical reasons. WMI originally | |
235 | * defined 3 priorities over 3 mailboxes We can change this when | |
236 | * WMI is reworked so that priorities are not dependent on | |
237 | * mailboxes. | |
238 | */ | |
239 | connect.svc_id = WMI_DATA_VO_SVC; | |
240 | if (ath6kl_connectservice(ar, &connect, "WMI DATA VO")) | |
241 | return -EIO; | |
242 | ||
243 | return 0; | |
244 | } | |
245 | ||
e29f25f5 | 246 | void ath6kl_init_control_info(struct ath6kl_vif *vif) |
bdcd8170 | 247 | { |
e29f25f5 | 248 | ath6kl_init_profile_info(vif); |
3450334f | 249 | vif->def_txkey_index = 0; |
6f2a73f9 | 250 | memset(vif->wep_key_list, 0, sizeof(vif->wep_key_list)); |
f74bac54 | 251 | vif->ch_hint = 0; |
bdcd8170 KV |
252 | } |
253 | ||
254 | /* | |
255 | * Set HTC/Mbox operational parameters, this can only be called when the | |
256 | * target is in the BMI phase. | |
257 | */ | |
258 | static int ath6kl_set_htc_params(struct ath6kl *ar, u32 mbox_isr_yield_val, | |
259 | u8 htc_ctrl_buf) | |
260 | { | |
261 | int status; | |
262 | u32 blk_size; | |
263 | ||
264 | blk_size = ar->mbox_info.block_size; | |
265 | ||
266 | if (htc_ctrl_buf) | |
267 | blk_size |= ((u32)htc_ctrl_buf) << 16; | |
268 | ||
269 | /* set the host interest area for the block size */ | |
270 | status = ath6kl_bmi_write(ar, | |
271 | ath6kl_get_hi_item_addr(ar, | |
272 | HI_ITEM(hi_mbox_io_block_sz)), | |
273 | (u8 *)&blk_size, | |
274 | 4); | |
275 | if (status) { | |
276 | ath6kl_err("bmi_write_memory for IO block size failed\n"); | |
277 | goto out; | |
278 | } | |
279 | ||
280 | ath6kl_dbg(ATH6KL_DBG_TRC, "block size set: %d (target addr:0x%X)\n", | |
281 | blk_size, | |
282 | ath6kl_get_hi_item_addr(ar, HI_ITEM(hi_mbox_io_block_sz))); | |
283 | ||
284 | if (mbox_isr_yield_val) { | |
285 | /* set the host interest area for the mbox ISR yield limit */ | |
286 | status = ath6kl_bmi_write(ar, | |
287 | ath6kl_get_hi_item_addr(ar, | |
288 | HI_ITEM(hi_mbox_isr_yield_limit)), | |
289 | (u8 *)&mbox_isr_yield_val, | |
290 | 4); | |
291 | if (status) { | |
292 | ath6kl_err("bmi_write_memory for yield limit failed\n"); | |
293 | goto out; | |
294 | } | |
295 | } | |
296 | ||
297 | out: | |
298 | return status; | |
299 | } | |
300 | ||
0ce59445 | 301 | static int ath6kl_target_config_wlan_params(struct ath6kl *ar, int idx) |
bdcd8170 KV |
302 | { |
303 | int status = 0; | |
4dea08e0 | 304 | int ret; |
bdcd8170 KV |
305 | |
306 | /* | |
307 | * Configure the device for rx dot11 header rules. "0,0" are the | |
308 | * default values. Required if checksum offload is needed. Set | |
309 | * RxMetaVersion to 2. | |
310 | */ | |
0ce59445 | 311 | if (ath6kl_wmi_set_rx_frame_format_cmd(ar->wmi, idx, |
bdcd8170 KV |
312 | ar->rx_meta_ver, 0, 0)) { |
313 | ath6kl_err("unable to set the rx frame format\n"); | |
314 | status = -EIO; | |
315 | } | |
316 | ||
317 | if (ar->conf_flags & ATH6KL_CONF_IGNORE_PS_FAIL_EVT_IN_SCAN) | |
0ce59445 | 318 | if ((ath6kl_wmi_pmparams_cmd(ar->wmi, idx, 0, 1, 0, 0, 1, |
bdcd8170 KV |
319 | IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN)) != 0) { |
320 | ath6kl_err("unable to set power save fail event policy\n"); | |
321 | status = -EIO; | |
322 | } | |
323 | ||
324 | if (!(ar->conf_flags & ATH6KL_CONF_IGNORE_ERP_BARKER)) | |
0ce59445 | 325 | if ((ath6kl_wmi_set_lpreamble_cmd(ar->wmi, idx, 0, |
bdcd8170 KV |
326 | WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) { |
327 | ath6kl_err("unable to set barker preamble policy\n"); | |
328 | status = -EIO; | |
329 | } | |
330 | ||
0ce59445 | 331 | if (ath6kl_wmi_set_keepalive_cmd(ar->wmi, idx, |
bdcd8170 KV |
332 | WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) { |
333 | ath6kl_err("unable to set keep alive interval\n"); | |
334 | status = -EIO; | |
335 | } | |
336 | ||
0ce59445 | 337 | if (ath6kl_wmi_disctimeout_cmd(ar->wmi, idx, |
bdcd8170 KV |
338 | WLAN_CONFIG_DISCONNECT_TIMEOUT)) { |
339 | ath6kl_err("unable to set disconnect timeout\n"); | |
340 | status = -EIO; | |
341 | } | |
342 | ||
343 | if (!(ar->conf_flags & ATH6KL_CONF_ENABLE_TX_BURST)) | |
0ce59445 | 344 | if (ath6kl_wmi_set_wmm_txop(ar->wmi, idx, WMI_TXOP_DISABLED)) { |
bdcd8170 KV |
345 | ath6kl_err("unable to set txop bursting\n"); |
346 | status = -EIO; | |
347 | } | |
348 | ||
0ce59445 VT |
349 | /* |
350 | * FIXME: Make sure p2p configurations are not applied to | |
351 | * non-p2p capable interfaces when multivif support is enabled. | |
352 | */ | |
6bbc7c35 | 353 | if (ar->p2p) { |
0ce59445 | 354 | ret = ath6kl_wmi_info_req_cmd(ar->wmi, idx, |
6bbc7c35 JM |
355 | P2P_FLAG_CAPABILITIES_REQ | |
356 | P2P_FLAG_MACADDR_REQ | | |
357 | P2P_FLAG_HMODEL_REQ); | |
358 | if (ret) { | |
359 | ath6kl_dbg(ATH6KL_DBG_TRC, "failed to request P2P " | |
360 | "capabilities (%d) - assuming P2P not " | |
361 | "supported\n", ret); | |
362 | ar->p2p = 0; | |
363 | } | |
364 | } | |
365 | ||
0ce59445 VT |
366 | /* |
367 | * FIXME: Make sure p2p configurations are not applied to | |
368 | * non-p2p capable interfaces when multivif support is enabled. | |
369 | */ | |
6bbc7c35 JM |
370 | if (ar->p2p) { |
371 | /* Enable Probe Request reporting for P2P */ | |
0ce59445 | 372 | ret = ath6kl_wmi_probe_report_req_cmd(ar->wmi, idx, true); |
6bbc7c35 JM |
373 | if (ret) { |
374 | ath6kl_dbg(ATH6KL_DBG_TRC, "failed to enable Probe " | |
375 | "Request reporting (%d)\n", ret); | |
376 | } | |
4dea08e0 JM |
377 | } |
378 | ||
bdcd8170 KV |
379 | return status; |
380 | } | |
381 | ||
382 | int ath6kl_configure_target(struct ath6kl *ar) | |
383 | { | |
384 | u32 param, ram_reserved_size; | |
3226f68a | 385 | u8 fw_iftype, fw_mode = 0, fw_submode = 0; |
7b85832d | 386 | int i; |
bdcd8170 | 387 | |
7b85832d VT |
388 | /* |
389 | * Note: Even though the firmware interface type is | |
390 | * chosen as BSS_STA for all three interfaces, can | |
391 | * be configured to IBSS/AP as long as the fw submode | |
392 | * remains normal mode (0 - AP, STA and IBSS). But | |
393 | * due to an target assert in firmware only one interface is | |
394 | * configured for now. | |
395 | */ | |
dd3751f7 | 396 | fw_iftype = HI_OPTION_FW_MODE_BSS_STA; |
bdcd8170 | 397 | |
7b85832d VT |
398 | for (i = 0; i < MAX_NUM_VIF; i++) |
399 | fw_mode |= fw_iftype << (i * HI_OPTION_FW_MODE_BITS); | |
400 | ||
401 | /* | |
3226f68a VT |
402 | * By default, submodes : |
403 | * vif[0] - AP/STA/IBSS | |
404 | * vif[1] - "P2P dev"/"P2P GO"/"P2P Client" | |
405 | * vif[2] - "P2P dev"/"P2P GO"/"P2P Client" | |
7b85832d | 406 | */ |
3226f68a VT |
407 | |
408 | for (i = 0; i < ar->max_norm_iface; i++) | |
409 | fw_submode |= HI_OPTION_FW_SUBMODE_NONE << | |
410 | (i * HI_OPTION_FW_SUBMODE_BITS); | |
411 | ||
412 | for (i = ar->max_norm_iface; i < MAX_NUM_VIF; i++) | |
413 | fw_submode |= HI_OPTION_FW_SUBMODE_P2PDEV << | |
414 | (i * HI_OPTION_FW_SUBMODE_BITS); | |
7b85832d VT |
415 | |
416 | /* | |
417 | * FIXME: This needs to be removed once the multivif | |
418 | * support is enabled. | |
419 | */ | |
420 | if (ar->p2p) | |
421 | fw_submode = HI_OPTION_FW_SUBMODE_P2PDEV; | |
7b85832d | 422 | |
bdcd8170 KV |
423 | param = HTC_PROTOCOL_VERSION; |
424 | if (ath6kl_bmi_write(ar, | |
425 | ath6kl_get_hi_item_addr(ar, | |
426 | HI_ITEM(hi_app_host_interest)), | |
427 | (u8 *)¶m, 4) != 0) { | |
428 | ath6kl_err("bmi_write_memory for htc version failed\n"); | |
429 | return -EIO; | |
430 | } | |
431 | ||
432 | /* set the firmware mode to STA/IBSS/AP */ | |
433 | param = 0; | |
434 | ||
435 | if (ath6kl_bmi_read(ar, | |
436 | ath6kl_get_hi_item_addr(ar, | |
437 | HI_ITEM(hi_option_flag)), | |
438 | (u8 *)¶m, 4) != 0) { | |
439 | ath6kl_err("bmi_read_memory for setting fwmode failed\n"); | |
440 | return -EIO; | |
441 | } | |
442 | ||
7b85832d VT |
443 | param |= (MAX_NUM_VIF << HI_OPTION_NUM_DEV_SHIFT); |
444 | param |= fw_mode << HI_OPTION_FW_MODE_SHIFT; | |
445 | param |= fw_submode << HI_OPTION_FW_SUBMODE_SHIFT; | |
446 | ||
bdcd8170 KV |
447 | param |= (0 << HI_OPTION_MAC_ADDR_METHOD_SHIFT); |
448 | param |= (0 << HI_OPTION_FW_BRIDGE_SHIFT); | |
449 | ||
450 | if (ath6kl_bmi_write(ar, | |
451 | ath6kl_get_hi_item_addr(ar, | |
452 | HI_ITEM(hi_option_flag)), | |
453 | (u8 *)¶m, | |
454 | 4) != 0) { | |
455 | ath6kl_err("bmi_write_memory for setting fwmode failed\n"); | |
456 | return -EIO; | |
457 | } | |
458 | ||
459 | ath6kl_dbg(ATH6KL_DBG_TRC, "firmware mode set\n"); | |
460 | ||
461 | /* | |
462 | * Hardcode the address use for the extended board data | |
463 | * Ideally this should be pre-allocate by the OS at boot time | |
464 | * But since it is a new feature and board data is loaded | |
465 | * at init time, we have to workaround this from host. | |
466 | * It is difficult to patch the firmware boot code, | |
467 | * but possible in theory. | |
468 | */ | |
469 | ||
991b27ea KV |
470 | param = ar->hw.board_ext_data_addr; |
471 | ram_reserved_size = ar->hw.reserved_ram_size; | |
bdcd8170 | 472 | |
991b27ea KV |
473 | if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar, |
474 | HI_ITEM(hi_board_ext_data)), | |
475 | (u8 *)¶m, 4) != 0) { | |
476 | ath6kl_err("bmi_write_memory for hi_board_ext_data failed\n"); | |
477 | return -EIO; | |
478 | } | |
479 | ||
480 | if (ath6kl_bmi_write(ar, ath6kl_get_hi_item_addr(ar, | |
481 | HI_ITEM(hi_end_ram_reserve_sz)), | |
482 | (u8 *)&ram_reserved_size, 4) != 0) { | |
483 | ath6kl_err("bmi_write_memory for hi_end_ram_reserve_sz failed\n"); | |
484 | return -EIO; | |
bdcd8170 KV |
485 | } |
486 | ||
487 | /* set the block size for the target */ | |
488 | if (ath6kl_set_htc_params(ar, MBOX_YIELD_LIMIT, 0)) | |
489 | /* use default number of control buffers */ | |
490 | return -EIO; | |
491 | ||
492 | return 0; | |
493 | } | |
494 | ||
8dafb70e | 495 | void ath6kl_core_free(struct ath6kl *ar) |
bdcd8170 | 496 | { |
8dafb70e | 497 | wiphy_free(ar->wiphy); |
bdcd8170 KV |
498 | } |
499 | ||
6db8fa53 | 500 | void ath6kl_core_cleanup(struct ath6kl *ar) |
bdcd8170 | 501 | { |
b2e75698 KV |
502 | ath6kl_hif_power_off(ar); |
503 | ||
6db8fa53 | 504 | destroy_workqueue(ar->ath6kl_wq); |
bdcd8170 | 505 | |
6db8fa53 VT |
506 | if (ar->htc_target) |
507 | ath6kl_htc_cleanup(ar->htc_target); | |
508 | ||
509 | ath6kl_cookie_cleanup(ar); | |
510 | ||
511 | ath6kl_cleanup_amsdu_rxbufs(ar); | |
512 | ||
513 | ath6kl_bmi_cleanup(ar); | |
514 | ||
515 | ath6kl_debug_cleanup(ar); | |
516 | ||
517 | kfree(ar->fw_board); | |
518 | kfree(ar->fw_otp); | |
519 | kfree(ar->fw); | |
520 | kfree(ar->fw_patch); | |
521 | ||
522 | ath6kl_deinit_ieee80211_hw(ar); | |
bdcd8170 KV |
523 | } |
524 | ||
525 | /* firmware upload */ | |
bdcd8170 KV |
526 | static int ath6kl_get_fw(struct ath6kl *ar, const char *filename, |
527 | u8 **fw, size_t *fw_len) | |
528 | { | |
529 | const struct firmware *fw_entry; | |
530 | int ret; | |
531 | ||
532 | ret = request_firmware(&fw_entry, filename, ar->dev); | |
533 | if (ret) | |
534 | return ret; | |
535 | ||
536 | *fw_len = fw_entry->size; | |
537 | *fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); | |
538 | ||
539 | if (*fw == NULL) | |
540 | ret = -ENOMEM; | |
541 | ||
542 | release_firmware(fw_entry); | |
543 | ||
544 | return ret; | |
545 | } | |
546 | ||
92ecbff4 SL |
547 | #ifdef CONFIG_OF |
548 | static const char *get_target_ver_dir(const struct ath6kl *ar) | |
549 | { | |
550 | switch (ar->version.target_ver) { | |
551 | case AR6003_REV1_VERSION: | |
552 | return "ath6k/AR6003/hw1.0"; | |
553 | case AR6003_REV2_VERSION: | |
554 | return "ath6k/AR6003/hw2.0"; | |
555 | case AR6003_REV3_VERSION: | |
556 | return "ath6k/AR6003/hw2.1.1"; | |
557 | } | |
558 | ath6kl_warn("%s: unsupported target version 0x%x.\n", __func__, | |
559 | ar->version.target_ver); | |
560 | return NULL; | |
561 | } | |
562 | ||
563 | /* | |
564 | * Check the device tree for a board-id and use it to construct | |
565 | * the pathname to the firmware file. Used (for now) to find a | |
566 | * fallback to the "bdata.bin" file--typically a symlink to the | |
567 | * appropriate board-specific file. | |
568 | */ | |
569 | static bool check_device_tree(struct ath6kl *ar) | |
570 | { | |
571 | static const char *board_id_prop = "atheros,board-id"; | |
572 | struct device_node *node; | |
573 | char board_filename[64]; | |
574 | const char *board_id; | |
575 | int ret; | |
576 | ||
577 | for_each_compatible_node(node, NULL, "atheros,ath6kl") { | |
578 | board_id = of_get_property(node, board_id_prop, NULL); | |
579 | if (board_id == NULL) { | |
580 | ath6kl_warn("No \"%s\" property on %s node.\n", | |
581 | board_id_prop, node->name); | |
582 | continue; | |
583 | } | |
584 | snprintf(board_filename, sizeof(board_filename), | |
585 | "%s/bdata.%s.bin", get_target_ver_dir(ar), board_id); | |
586 | ||
587 | ret = ath6kl_get_fw(ar, board_filename, &ar->fw_board, | |
588 | &ar->fw_board_len); | |
589 | if (ret) { | |
590 | ath6kl_err("Failed to get DT board file %s: %d\n", | |
591 | board_filename, ret); | |
592 | continue; | |
593 | } | |
594 | return true; | |
595 | } | |
596 | return false; | |
597 | } | |
598 | #else | |
599 | static bool check_device_tree(struct ath6kl *ar) | |
600 | { | |
601 | return false; | |
602 | } | |
603 | #endif /* CONFIG_OF */ | |
604 | ||
bdcd8170 KV |
605 | static int ath6kl_fetch_board_file(struct ath6kl *ar) |
606 | { | |
607 | const char *filename; | |
608 | int ret; | |
609 | ||
772c31ee KV |
610 | if (ar->fw_board != NULL) |
611 | return 0; | |
612 | ||
bdcd8170 KV |
613 | switch (ar->version.target_ver) { |
614 | case AR6003_REV2_VERSION: | |
615 | filename = AR6003_REV2_BOARD_DATA_FILE; | |
616 | break; | |
31024d99 KF |
617 | case AR6004_REV1_VERSION: |
618 | filename = AR6004_REV1_BOARD_DATA_FILE; | |
619 | break; | |
bdcd8170 KV |
620 | default: |
621 | filename = AR6003_REV3_BOARD_DATA_FILE; | |
622 | break; | |
623 | } | |
624 | ||
625 | ret = ath6kl_get_fw(ar, filename, &ar->fw_board, | |
626 | &ar->fw_board_len); | |
627 | if (ret == 0) { | |
628 | /* managed to get proper board file */ | |
629 | return 0; | |
630 | } | |
631 | ||
92ecbff4 SL |
632 | if (check_device_tree(ar)) { |
633 | /* got board file from device tree */ | |
634 | return 0; | |
635 | } | |
636 | ||
bdcd8170 KV |
637 | /* there was no proper board file, try to use default instead */ |
638 | ath6kl_warn("Failed to get board file %s (%d), trying to find default board file.\n", | |
639 | filename, ret); | |
640 | ||
641 | switch (ar->version.target_ver) { | |
642 | case AR6003_REV2_VERSION: | |
643 | filename = AR6003_REV2_DEFAULT_BOARD_DATA_FILE; | |
644 | break; | |
31024d99 KF |
645 | case AR6004_REV1_VERSION: |
646 | filename = AR6004_REV1_DEFAULT_BOARD_DATA_FILE; | |
647 | break; | |
bdcd8170 KV |
648 | default: |
649 | filename = AR6003_REV3_DEFAULT_BOARD_DATA_FILE; | |
650 | break; | |
651 | } | |
652 | ||
653 | ret = ath6kl_get_fw(ar, filename, &ar->fw_board, | |
654 | &ar->fw_board_len); | |
655 | if (ret) { | |
656 | ath6kl_err("Failed to get default board file %s: %d\n", | |
657 | filename, ret); | |
658 | return ret; | |
659 | } | |
660 | ||
661 | ath6kl_warn("WARNING! No proper board file was not found, instead using a default board file.\n"); | |
662 | ath6kl_warn("Most likely your hardware won't work as specified. Install correct board file!\n"); | |
663 | ||
664 | return 0; | |
665 | } | |
666 | ||
772c31ee KV |
667 | static int ath6kl_fetch_otp_file(struct ath6kl *ar) |
668 | { | |
669 | const char *filename; | |
670 | int ret; | |
671 | ||
672 | if (ar->fw_otp != NULL) | |
673 | return 0; | |
674 | ||
675 | switch (ar->version.target_ver) { | |
676 | case AR6003_REV2_VERSION: | |
677 | filename = AR6003_REV2_OTP_FILE; | |
678 | break; | |
679 | case AR6004_REV1_VERSION: | |
680 | ath6kl_dbg(ATH6KL_DBG_TRC, "AR6004 doesn't need OTP file\n"); | |
681 | return 0; | |
682 | break; | |
683 | default: | |
684 | filename = AR6003_REV3_OTP_FILE; | |
685 | break; | |
686 | } | |
687 | ||
688 | ret = ath6kl_get_fw(ar, filename, &ar->fw_otp, | |
689 | &ar->fw_otp_len); | |
690 | if (ret) { | |
691 | ath6kl_err("Failed to get OTP file %s: %d\n", | |
692 | filename, ret); | |
693 | return ret; | |
694 | } | |
695 | ||
696 | return 0; | |
697 | } | |
698 | ||
699 | static int ath6kl_fetch_fw_file(struct ath6kl *ar) | |
700 | { | |
701 | const char *filename; | |
702 | int ret; | |
703 | ||
704 | if (ar->fw != NULL) | |
705 | return 0; | |
706 | ||
707 | if (testmode) { | |
708 | switch (ar->version.target_ver) { | |
709 | case AR6003_REV2_VERSION: | |
710 | filename = AR6003_REV2_TCMD_FIRMWARE_FILE; | |
711 | break; | |
712 | case AR6003_REV3_VERSION: | |
713 | filename = AR6003_REV3_TCMD_FIRMWARE_FILE; | |
714 | break; | |
715 | case AR6004_REV1_VERSION: | |
716 | ath6kl_warn("testmode not supported with ar6004\n"); | |
717 | return -EOPNOTSUPP; | |
718 | default: | |
719 | ath6kl_warn("unknown target version: 0x%x\n", | |
720 | ar->version.target_ver); | |
721 | return -EINVAL; | |
722 | } | |
723 | ||
724 | set_bit(TESTMODE, &ar->flag); | |
725 | ||
726 | goto get_fw; | |
727 | } | |
728 | ||
729 | switch (ar->version.target_ver) { | |
730 | case AR6003_REV2_VERSION: | |
731 | filename = AR6003_REV2_FIRMWARE_FILE; | |
732 | break; | |
733 | case AR6004_REV1_VERSION: | |
734 | filename = AR6004_REV1_FIRMWARE_FILE; | |
735 | break; | |
736 | default: | |
737 | filename = AR6003_REV3_FIRMWARE_FILE; | |
738 | break; | |
739 | } | |
740 | ||
741 | get_fw: | |
742 | ret = ath6kl_get_fw(ar, filename, &ar->fw, &ar->fw_len); | |
743 | if (ret) { | |
744 | ath6kl_err("Failed to get firmware file %s: %d\n", | |
745 | filename, ret); | |
746 | return ret; | |
747 | } | |
748 | ||
749 | return 0; | |
750 | } | |
751 | ||
752 | static int ath6kl_fetch_patch_file(struct ath6kl *ar) | |
753 | { | |
754 | const char *filename; | |
755 | int ret; | |
756 | ||
757 | switch (ar->version.target_ver) { | |
758 | case AR6003_REV2_VERSION: | |
759 | filename = AR6003_REV2_PATCH_FILE; | |
760 | break; | |
761 | case AR6004_REV1_VERSION: | |
762 | /* FIXME: implement for AR6004 */ | |
763 | return 0; | |
764 | break; | |
765 | default: | |
766 | filename = AR6003_REV3_PATCH_FILE; | |
767 | break; | |
768 | } | |
769 | ||
770 | if (ar->fw_patch == NULL) { | |
771 | ret = ath6kl_get_fw(ar, filename, &ar->fw_patch, | |
772 | &ar->fw_patch_len); | |
773 | if (ret) { | |
774 | ath6kl_err("Failed to get patch file %s: %d\n", | |
775 | filename, ret); | |
776 | return ret; | |
777 | } | |
778 | } | |
779 | ||
780 | return 0; | |
781 | } | |
782 | ||
50d41234 | 783 | static int ath6kl_fetch_fw_api1(struct ath6kl *ar) |
772c31ee KV |
784 | { |
785 | int ret; | |
786 | ||
772c31ee KV |
787 | ret = ath6kl_fetch_otp_file(ar); |
788 | if (ret) | |
789 | return ret; | |
790 | ||
791 | ret = ath6kl_fetch_fw_file(ar); | |
792 | if (ret) | |
793 | return ret; | |
794 | ||
795 | ret = ath6kl_fetch_patch_file(ar); | |
796 | if (ret) | |
797 | return ret; | |
798 | ||
799 | return 0; | |
800 | } | |
bdcd8170 | 801 | |
50d41234 KV |
802 | static int ath6kl_fetch_fw_api2(struct ath6kl *ar) |
803 | { | |
804 | size_t magic_len, len, ie_len; | |
805 | const struct firmware *fw; | |
806 | struct ath6kl_fw_ie *hdr; | |
807 | const char *filename; | |
808 | const u8 *data; | |
97e0496d | 809 | int ret, ie_id, i, index, bit; |
8a137480 | 810 | __le32 *val; |
50d41234 KV |
811 | |
812 | switch (ar->version.target_ver) { | |
813 | case AR6003_REV2_VERSION: | |
814 | filename = AR6003_REV2_FIRMWARE_2_FILE; | |
815 | break; | |
816 | case AR6003_REV3_VERSION: | |
817 | filename = AR6003_REV3_FIRMWARE_2_FILE; | |
818 | break; | |
819 | case AR6004_REV1_VERSION: | |
820 | filename = AR6004_REV1_FIRMWARE_2_FILE; | |
821 | break; | |
822 | default: | |
823 | return -EOPNOTSUPP; | |
824 | } | |
825 | ||
826 | ret = request_firmware(&fw, filename, ar->dev); | |
827 | if (ret) | |
828 | return ret; | |
829 | ||
830 | data = fw->data; | |
831 | len = fw->size; | |
832 | ||
833 | /* magic also includes the null byte, check that as well */ | |
834 | magic_len = strlen(ATH6KL_FIRMWARE_MAGIC) + 1; | |
835 | ||
836 | if (len < magic_len) { | |
837 | ret = -EINVAL; | |
838 | goto out; | |
839 | } | |
840 | ||
841 | if (memcmp(data, ATH6KL_FIRMWARE_MAGIC, magic_len) != 0) { | |
842 | ret = -EINVAL; | |
843 | goto out; | |
844 | } | |
845 | ||
846 | len -= magic_len; | |
847 | data += magic_len; | |
848 | ||
849 | /* loop elements */ | |
850 | while (len > sizeof(struct ath6kl_fw_ie)) { | |
851 | /* hdr is unaligned! */ | |
852 | hdr = (struct ath6kl_fw_ie *) data; | |
853 | ||
854 | ie_id = le32_to_cpup(&hdr->id); | |
855 | ie_len = le32_to_cpup(&hdr->len); | |
856 | ||
857 | len -= sizeof(*hdr); | |
858 | data += sizeof(*hdr); | |
859 | ||
860 | if (len < ie_len) { | |
861 | ret = -EINVAL; | |
862 | goto out; | |
863 | } | |
864 | ||
865 | switch (ie_id) { | |
866 | case ATH6KL_FW_IE_OTP_IMAGE: | |
ef548626 | 867 | ath6kl_dbg(ATH6KL_DBG_BOOT, "found otp image ie (%zd B)\n", |
6bc36431 KV |
868 | ie_len); |
869 | ||
50d41234 KV |
870 | ar->fw_otp = kmemdup(data, ie_len, GFP_KERNEL); |
871 | ||
872 | if (ar->fw_otp == NULL) { | |
873 | ret = -ENOMEM; | |
874 | goto out; | |
875 | } | |
876 | ||
877 | ar->fw_otp_len = ie_len; | |
878 | break; | |
879 | case ATH6KL_FW_IE_FW_IMAGE: | |
ef548626 | 880 | ath6kl_dbg(ATH6KL_DBG_BOOT, "found fw image ie (%zd B)\n", |
6bc36431 KV |
881 | ie_len); |
882 | ||
50d41234 KV |
883 | ar->fw = kmemdup(data, ie_len, GFP_KERNEL); |
884 | ||
885 | if (ar->fw == NULL) { | |
886 | ret = -ENOMEM; | |
887 | goto out; | |
888 | } | |
889 | ||
890 | ar->fw_len = ie_len; | |
891 | break; | |
892 | case ATH6KL_FW_IE_PATCH_IMAGE: | |
ef548626 | 893 | ath6kl_dbg(ATH6KL_DBG_BOOT, "found patch image ie (%zd B)\n", |
6bc36431 KV |
894 | ie_len); |
895 | ||
50d41234 KV |
896 | ar->fw_patch = kmemdup(data, ie_len, GFP_KERNEL); |
897 | ||
898 | if (ar->fw_patch == NULL) { | |
899 | ret = -ENOMEM; | |
900 | goto out; | |
901 | } | |
902 | ||
903 | ar->fw_patch_len = ie_len; | |
904 | break; | |
8a137480 KV |
905 | case ATH6KL_FW_IE_RESERVED_RAM_SIZE: |
906 | val = (__le32 *) data; | |
907 | ar->hw.reserved_ram_size = le32_to_cpup(val); | |
6bc36431 KV |
908 | |
909 | ath6kl_dbg(ATH6KL_DBG_BOOT, | |
910 | "found reserved ram size ie 0x%d\n", | |
911 | ar->hw.reserved_ram_size); | |
8a137480 | 912 | break; |
97e0496d | 913 | case ATH6KL_FW_IE_CAPABILITIES: |
6bc36431 | 914 | ath6kl_dbg(ATH6KL_DBG_BOOT, |
ef548626 | 915 | "found firmware capabilities ie (%zd B)\n", |
6bc36431 KV |
916 | ie_len); |
917 | ||
97e0496d KV |
918 | for (i = 0; i < ATH6KL_FW_CAPABILITY_MAX; i++) { |
919 | index = ALIGN(i, 8) / 8; | |
920 | bit = i % 8; | |
921 | ||
922 | if (data[index] & (1 << bit)) | |
923 | __set_bit(i, ar->fw_capabilities); | |
924 | } | |
6bc36431 KV |
925 | |
926 | ath6kl_dbg_dump(ATH6KL_DBG_BOOT, "capabilities", "", | |
927 | ar->fw_capabilities, | |
928 | sizeof(ar->fw_capabilities)); | |
97e0496d | 929 | break; |
1b4304da KV |
930 | case ATH6KL_FW_IE_PATCH_ADDR: |
931 | if (ie_len != sizeof(*val)) | |
932 | break; | |
933 | ||
934 | val = (__le32 *) data; | |
935 | ar->hw.dataset_patch_addr = le32_to_cpup(val); | |
6bc36431 KV |
936 | |
937 | ath6kl_dbg(ATH6KL_DBG_BOOT, | |
938 | "found patch address ie 0x%d\n", | |
939 | ar->hw.dataset_patch_addr); | |
1b4304da | 940 | break; |
50d41234 | 941 | default: |
6bc36431 | 942 | ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n", |
50d41234 KV |
943 | le32_to_cpup(&hdr->id)); |
944 | break; | |
945 | } | |
946 | ||
947 | len -= ie_len; | |
948 | data += ie_len; | |
949 | }; | |
950 | ||
951 | ret = 0; | |
952 | out: | |
953 | release_firmware(fw); | |
954 | ||
955 | return ret; | |
956 | } | |
957 | ||
958 | static int ath6kl_fetch_firmwares(struct ath6kl *ar) | |
959 | { | |
960 | int ret; | |
961 | ||
962 | ret = ath6kl_fetch_board_file(ar); | |
963 | if (ret) | |
964 | return ret; | |
965 | ||
966 | ret = ath6kl_fetch_fw_api2(ar); | |
6bc36431 KV |
967 | if (ret == 0) { |
968 | ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 2\n"); | |
50d41234 | 969 | return 0; |
6bc36431 | 970 | } |
50d41234 KV |
971 | |
972 | ret = ath6kl_fetch_fw_api1(ar); | |
973 | if (ret) | |
974 | return ret; | |
975 | ||
6bc36431 KV |
976 | ath6kl_dbg(ATH6KL_DBG_BOOT, "using fw api 1\n"); |
977 | ||
50d41234 KV |
978 | return 0; |
979 | } | |
980 | ||
bdcd8170 KV |
981 | static int ath6kl_upload_board_file(struct ath6kl *ar) |
982 | { | |
983 | u32 board_address, board_ext_address, param; | |
31024d99 | 984 | u32 board_data_size, board_ext_data_size; |
bdcd8170 KV |
985 | int ret; |
986 | ||
772c31ee KV |
987 | if (WARN_ON(ar->fw_board == NULL)) |
988 | return -ENOENT; | |
bdcd8170 | 989 | |
31024d99 KF |
990 | /* |
991 | * Determine where in Target RAM to write Board Data. | |
992 | * For AR6004, host determine Target RAM address for | |
993 | * writing board data. | |
994 | */ | |
995 | if (ar->target_type == TARGET_TYPE_AR6004) { | |
996 | board_address = AR6004_REV1_BOARD_DATA_ADDRESS; | |
997 | ath6kl_bmi_write(ar, | |
998 | ath6kl_get_hi_item_addr(ar, | |
999 | HI_ITEM(hi_board_data)), | |
1000 | (u8 *) &board_address, 4); | |
1001 | } else { | |
1002 | ath6kl_bmi_read(ar, | |
1003 | ath6kl_get_hi_item_addr(ar, | |
1004 | HI_ITEM(hi_board_data)), | |
1005 | (u8 *) &board_address, 4); | |
1006 | } | |
1007 | ||
bdcd8170 KV |
1008 | /* determine where in target ram to write extended board data */ |
1009 | ath6kl_bmi_read(ar, | |
1010 | ath6kl_get_hi_item_addr(ar, | |
1011 | HI_ITEM(hi_board_ext_data)), | |
1012 | (u8 *) &board_ext_address, 4); | |
1013 | ||
bdcd8170 KV |
1014 | if (board_ext_address == 0) { |
1015 | ath6kl_err("Failed to get board file target address.\n"); | |
1016 | return -EINVAL; | |
1017 | } | |
1018 | ||
31024d99 KF |
1019 | switch (ar->target_type) { |
1020 | case TARGET_TYPE_AR6003: | |
1021 | board_data_size = AR6003_BOARD_DATA_SZ; | |
1022 | board_ext_data_size = AR6003_BOARD_EXT_DATA_SZ; | |
1023 | break; | |
1024 | case TARGET_TYPE_AR6004: | |
1025 | board_data_size = AR6004_BOARD_DATA_SZ; | |
1026 | board_ext_data_size = AR6004_BOARD_EXT_DATA_SZ; | |
1027 | break; | |
1028 | default: | |
1029 | WARN_ON(1); | |
1030 | return -EINVAL; | |
1031 | break; | |
1032 | } | |
1033 | ||
1034 | if (ar->fw_board_len == (board_data_size + | |
1035 | board_ext_data_size)) { | |
1036 | ||
bdcd8170 | 1037 | /* write extended board data */ |
6bc36431 KV |
1038 | ath6kl_dbg(ATH6KL_DBG_BOOT, |
1039 | "writing extended board data to 0x%x (%d B)\n", | |
1040 | board_ext_address, board_ext_data_size); | |
1041 | ||
bdcd8170 | 1042 | ret = ath6kl_bmi_write(ar, board_ext_address, |
31024d99 KF |
1043 | ar->fw_board + board_data_size, |
1044 | board_ext_data_size); | |
bdcd8170 KV |
1045 | if (ret) { |
1046 | ath6kl_err("Failed to write extended board data: %d\n", | |
1047 | ret); | |
1048 | return ret; | |
1049 | } | |
1050 | ||
1051 | /* record that extended board data is initialized */ | |
31024d99 KF |
1052 | param = (board_ext_data_size << 16) | 1; |
1053 | ||
bdcd8170 KV |
1054 | ath6kl_bmi_write(ar, |
1055 | ath6kl_get_hi_item_addr(ar, | |
1056 | HI_ITEM(hi_board_ext_data_config)), | |
1057 | (unsigned char *) ¶m, 4); | |
1058 | } | |
1059 | ||
31024d99 | 1060 | if (ar->fw_board_len < board_data_size) { |
bdcd8170 KV |
1061 | ath6kl_err("Too small board file: %zu\n", ar->fw_board_len); |
1062 | ret = -EINVAL; | |
1063 | return ret; | |
1064 | } | |
1065 | ||
6bc36431 KV |
1066 | ath6kl_dbg(ATH6KL_DBG_BOOT, "writing board file to 0x%x (%d B)\n", |
1067 | board_address, board_data_size); | |
1068 | ||
bdcd8170 | 1069 | ret = ath6kl_bmi_write(ar, board_address, ar->fw_board, |
31024d99 | 1070 | board_data_size); |
bdcd8170 KV |
1071 | |
1072 | if (ret) { | |
1073 | ath6kl_err("Board file bmi write failed: %d\n", ret); | |
1074 | return ret; | |
1075 | } | |
1076 | ||
1077 | /* record the fact that Board Data IS initialized */ | |
1078 | param = 1; | |
1079 | ath6kl_bmi_write(ar, | |
1080 | ath6kl_get_hi_item_addr(ar, | |
1081 | HI_ITEM(hi_board_data_initialized)), | |
1082 | (u8 *)¶m, 4); | |
1083 | ||
1084 | return ret; | |
1085 | } | |
1086 | ||
1087 | static int ath6kl_upload_otp(struct ath6kl *ar) | |
1088 | { | |
bdcd8170 | 1089 | u32 address, param; |
bef26a7f | 1090 | bool from_hw = false; |
bdcd8170 KV |
1091 | int ret; |
1092 | ||
772c31ee KV |
1093 | if (WARN_ON(ar->fw_otp == NULL)) |
1094 | return -ENOENT; | |
bdcd8170 | 1095 | |
a01ac414 | 1096 | address = ar->hw.app_load_addr; |
bdcd8170 | 1097 | |
ef548626 | 1098 | ath6kl_dbg(ATH6KL_DBG_BOOT, "writing otp to 0x%x (%zd B)\n", address, |
6bc36431 KV |
1099 | ar->fw_otp_len); |
1100 | ||
bdcd8170 KV |
1101 | ret = ath6kl_bmi_fast_download(ar, address, ar->fw_otp, |
1102 | ar->fw_otp_len); | |
1103 | if (ret) { | |
1104 | ath6kl_err("Failed to upload OTP file: %d\n", ret); | |
1105 | return ret; | |
1106 | } | |
1107 | ||
639d0b89 KV |
1108 | /* read firmware start address */ |
1109 | ret = ath6kl_bmi_read(ar, | |
1110 | ath6kl_get_hi_item_addr(ar, | |
1111 | HI_ITEM(hi_app_start)), | |
1112 | (u8 *) &address, sizeof(address)); | |
1113 | ||
1114 | if (ret) { | |
1115 | ath6kl_err("Failed to read hi_app_start: %d\n", ret); | |
1116 | return ret; | |
1117 | } | |
1118 | ||
bef26a7f KV |
1119 | if (ar->hw.app_start_override_addr == 0) { |
1120 | ar->hw.app_start_override_addr = address; | |
1121 | from_hw = true; | |
1122 | } | |
639d0b89 | 1123 | |
bef26a7f KV |
1124 | ath6kl_dbg(ATH6KL_DBG_BOOT, "app_start_override_addr%s 0x%x\n", |
1125 | from_hw ? " (from hw)" : "", | |
6bc36431 KV |
1126 | ar->hw.app_start_override_addr); |
1127 | ||
bdcd8170 | 1128 | /* execute the OTP code */ |
bef26a7f KV |
1129 | ath6kl_dbg(ATH6KL_DBG_BOOT, "executing OTP at 0x%x\n", |
1130 | ar->hw.app_start_override_addr); | |
bdcd8170 | 1131 | param = 0; |
bef26a7f | 1132 | ath6kl_bmi_execute(ar, ar->hw.app_start_override_addr, ¶m); |
bdcd8170 KV |
1133 | |
1134 | return ret; | |
1135 | } | |
1136 | ||
1137 | static int ath6kl_upload_firmware(struct ath6kl *ar) | |
1138 | { | |
bdcd8170 KV |
1139 | u32 address; |
1140 | int ret; | |
1141 | ||
772c31ee KV |
1142 | if (WARN_ON(ar->fw == NULL)) |
1143 | return -ENOENT; | |
bdcd8170 | 1144 | |
a01ac414 | 1145 | address = ar->hw.app_load_addr; |
bdcd8170 | 1146 | |
ef548626 | 1147 | ath6kl_dbg(ATH6KL_DBG_BOOT, "writing firmware to 0x%x (%zd B)\n", |
6bc36431 KV |
1148 | address, ar->fw_len); |
1149 | ||
bdcd8170 KV |
1150 | ret = ath6kl_bmi_fast_download(ar, address, ar->fw, ar->fw_len); |
1151 | ||
1152 | if (ret) { | |
1153 | ath6kl_err("Failed to write firmware: %d\n", ret); | |
1154 | return ret; | |
1155 | } | |
1156 | ||
31024d99 KF |
1157 | /* |
1158 | * Set starting address for firmware | |
1159 | * Don't need to setup app_start override addr on AR6004 | |
1160 | */ | |
1161 | if (ar->target_type != TARGET_TYPE_AR6004) { | |
a01ac414 | 1162 | address = ar->hw.app_start_override_addr; |
31024d99 KF |
1163 | ath6kl_bmi_set_app_start(ar, address); |
1164 | } | |
bdcd8170 KV |
1165 | return ret; |
1166 | } | |
1167 | ||
1168 | static int ath6kl_upload_patch(struct ath6kl *ar) | |
1169 | { | |
bdcd8170 KV |
1170 | u32 address, param; |
1171 | int ret; | |
1172 | ||
772c31ee KV |
1173 | if (WARN_ON(ar->fw_patch == NULL)) |
1174 | return -ENOENT; | |
bdcd8170 | 1175 | |
a01ac414 | 1176 | address = ar->hw.dataset_patch_addr; |
bdcd8170 | 1177 | |
ef548626 | 1178 | ath6kl_dbg(ATH6KL_DBG_BOOT, "writing patch to 0x%x (%zd B)\n", |
6bc36431 KV |
1179 | address, ar->fw_patch_len); |
1180 | ||
bdcd8170 KV |
1181 | ret = ath6kl_bmi_write(ar, address, ar->fw_patch, ar->fw_patch_len); |
1182 | if (ret) { | |
1183 | ath6kl_err("Failed to write patch file: %d\n", ret); | |
1184 | return ret; | |
1185 | } | |
1186 | ||
1187 | param = address; | |
1188 | ath6kl_bmi_write(ar, | |
1189 | ath6kl_get_hi_item_addr(ar, | |
1190 | HI_ITEM(hi_dset_list_head)), | |
1191 | (unsigned char *) ¶m, 4); | |
1192 | ||
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | static int ath6kl_init_upload(struct ath6kl *ar) | |
1197 | { | |
1198 | u32 param, options, sleep, address; | |
1199 | int status = 0; | |
1200 | ||
31024d99 KF |
1201 | if (ar->target_type != TARGET_TYPE_AR6003 && |
1202 | ar->target_type != TARGET_TYPE_AR6004) | |
bdcd8170 KV |
1203 | return -EINVAL; |
1204 | ||
1205 | /* temporarily disable system sleep */ | |
1206 | address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; | |
1207 | status = ath6kl_bmi_reg_read(ar, address, ¶m); | |
1208 | if (status) | |
1209 | return status; | |
1210 | ||
1211 | options = param; | |
1212 | ||
1213 | param |= ATH6KL_OPTION_SLEEP_DISABLE; | |
1214 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1215 | if (status) | |
1216 | return status; | |
1217 | ||
1218 | address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; | |
1219 | status = ath6kl_bmi_reg_read(ar, address, ¶m); | |
1220 | if (status) | |
1221 | return status; | |
1222 | ||
1223 | sleep = param; | |
1224 | ||
1225 | param |= SM(SYSTEM_SLEEP_DISABLE, 1); | |
1226 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1227 | if (status) | |
1228 | return status; | |
1229 | ||
1230 | ath6kl_dbg(ATH6KL_DBG_TRC, "old options: %d, old sleep: %d\n", | |
1231 | options, sleep); | |
1232 | ||
1233 | /* program analog PLL register */ | |
31024d99 KF |
1234 | /* no need to control 40/44MHz clock on AR6004 */ |
1235 | if (ar->target_type != TARGET_TYPE_AR6004) { | |
1236 | status = ath6kl_bmi_reg_write(ar, ATH6KL_ANALOG_PLL_REGISTER, | |
1237 | 0xF9104001); | |
bdcd8170 | 1238 | |
31024d99 KF |
1239 | if (status) |
1240 | return status; | |
bdcd8170 | 1241 | |
31024d99 KF |
1242 | /* Run at 80/88MHz by default */ |
1243 | param = SM(CPU_CLOCK_STANDARD, 1); | |
1244 | ||
1245 | address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS; | |
1246 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1247 | if (status) | |
1248 | return status; | |
1249 | } | |
bdcd8170 KV |
1250 | |
1251 | param = 0; | |
1252 | address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS; | |
1253 | param = SM(LPO_CAL_ENABLE, 1); | |
1254 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1255 | if (status) | |
1256 | return status; | |
1257 | ||
1258 | /* WAR to avoid SDIO CRC err */ | |
1259 | if (ar->version.target_ver == AR6003_REV2_VERSION) { | |
1260 | ath6kl_err("temporary war to avoid sdio crc error\n"); | |
1261 | ||
1262 | param = 0x20; | |
1263 | ||
1264 | address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS; | |
1265 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1266 | if (status) | |
1267 | return status; | |
1268 | ||
1269 | address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS; | |
1270 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1271 | if (status) | |
1272 | return status; | |
1273 | ||
1274 | address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS; | |
1275 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1276 | if (status) | |
1277 | return status; | |
1278 | ||
1279 | address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS; | |
1280 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1281 | if (status) | |
1282 | return status; | |
1283 | } | |
1284 | ||
1285 | /* write EEPROM data to Target RAM */ | |
1286 | status = ath6kl_upload_board_file(ar); | |
1287 | if (status) | |
1288 | return status; | |
1289 | ||
1290 | /* transfer One time Programmable data */ | |
1291 | status = ath6kl_upload_otp(ar); | |
1292 | if (status) | |
1293 | return status; | |
1294 | ||
1295 | /* Download Target firmware */ | |
1296 | status = ath6kl_upload_firmware(ar); | |
1297 | if (status) | |
1298 | return status; | |
1299 | ||
1300 | status = ath6kl_upload_patch(ar); | |
1301 | if (status) | |
1302 | return status; | |
1303 | ||
1304 | /* Restore system sleep */ | |
1305 | address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS; | |
1306 | status = ath6kl_bmi_reg_write(ar, address, sleep); | |
1307 | if (status) | |
1308 | return status; | |
1309 | ||
1310 | address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS; | |
1311 | param = options | 0x20; | |
1312 | status = ath6kl_bmi_reg_write(ar, address, param); | |
1313 | if (status) | |
1314 | return status; | |
1315 | ||
1316 | /* Configure GPIO AR6003 UART */ | |
1317 | param = CONFIG_AR600x_DEBUG_UART_TX_PIN; | |
1318 | status = ath6kl_bmi_write(ar, | |
1319 | ath6kl_get_hi_item_addr(ar, | |
1320 | HI_ITEM(hi_dbg_uart_txpin)), | |
1321 | (u8 *)¶m, 4); | |
1322 | ||
1323 | return status; | |
1324 | } | |
1325 | ||
a01ac414 KV |
1326 | static int ath6kl_init_hw_params(struct ath6kl *ar) |
1327 | { | |
1328 | switch (ar->version.target_ver) { | |
1329 | case AR6003_REV2_VERSION: | |
1330 | ar->hw.dataset_patch_addr = AR6003_REV2_DATASET_PATCH_ADDRESS; | |
1331 | ar->hw.app_load_addr = AR6003_REV2_APP_LOAD_ADDRESS; | |
991b27ea KV |
1332 | ar->hw.board_ext_data_addr = AR6003_REV2_BOARD_EXT_DATA_ADDRESS; |
1333 | ar->hw.reserved_ram_size = AR6003_REV2_RAM_RESERVE_SIZE; | |
bef26a7f KV |
1334 | |
1335 | /* hw2.0 needs override address hardcoded */ | |
1336 | ar->hw.app_start_override_addr = 0x944C00; | |
1337 | ||
a01ac414 KV |
1338 | break; |
1339 | case AR6003_REV3_VERSION: | |
1340 | ar->hw.dataset_patch_addr = AR6003_REV3_DATASET_PATCH_ADDRESS; | |
1341 | ar->hw.app_load_addr = 0x1234; | |
991b27ea KV |
1342 | ar->hw.board_ext_data_addr = AR6003_REV3_BOARD_EXT_DATA_ADDRESS; |
1343 | ar->hw.reserved_ram_size = AR6003_REV3_RAM_RESERVE_SIZE; | |
a01ac414 KV |
1344 | break; |
1345 | case AR6004_REV1_VERSION: | |
1346 | ar->hw.dataset_patch_addr = AR6003_REV2_DATASET_PATCH_ADDRESS; | |
1347 | ar->hw.app_load_addr = AR6003_REV3_APP_LOAD_ADDRESS; | |
991b27ea KV |
1348 | ar->hw.board_ext_data_addr = AR6004_REV1_BOARD_EXT_DATA_ADDRESS; |
1349 | ar->hw.reserved_ram_size = AR6004_REV1_RAM_RESERVE_SIZE; | |
a01ac414 KV |
1350 | break; |
1351 | default: | |
1352 | ath6kl_err("Unsupported hardware version: 0x%x\n", | |
1353 | ar->version.target_ver); | |
1354 | return -EINVAL; | |
1355 | } | |
1356 | ||
6bc36431 KV |
1357 | ath6kl_dbg(ATH6KL_DBG_BOOT, |
1358 | "target_ver 0x%x target_type 0x%x dataset_patch 0x%x app_load_addr 0x%x\n", | |
1359 | ar->version.target_ver, ar->target_type, | |
1360 | ar->hw.dataset_patch_addr, ar->hw.app_load_addr); | |
1361 | ath6kl_dbg(ATH6KL_DBG_BOOT, | |
1362 | "app_start_override_addr 0x%x board_ext_data_addr 0x%x reserved_ram_size 0x%x", | |
1363 | ar->hw.app_start_override_addr, ar->hw.board_ext_data_addr, | |
1364 | ar->hw.reserved_ram_size); | |
1365 | ||
a01ac414 KV |
1366 | return 0; |
1367 | } | |
1368 | ||
5fe4dffb | 1369 | int ath6kl_init_hw_start(struct ath6kl *ar) |
20459ee2 KV |
1370 | { |
1371 | long timeleft; | |
1372 | int ret, i; | |
1373 | ||
5fe4dffb KV |
1374 | ath6kl_dbg(ATH6KL_DBG_BOOT, "hw start\n"); |
1375 | ||
20459ee2 KV |
1376 | ret = ath6kl_hif_power_on(ar); |
1377 | if (ret) | |
1378 | return ret; | |
1379 | ||
1380 | ret = ath6kl_configure_target(ar); | |
1381 | if (ret) | |
1382 | goto err_power_off; | |
1383 | ||
1384 | ret = ath6kl_init_upload(ar); | |
1385 | if (ret) | |
1386 | goto err_power_off; | |
1387 | ||
1388 | /* Do we need to finish the BMI phase */ | |
1389 | /* FIXME: return error from ath6kl_bmi_done() */ | |
1390 | if (ath6kl_bmi_done(ar)) { | |
1391 | ret = -EIO; | |
1392 | goto err_power_off; | |
1393 | } | |
1394 | ||
1395 | /* | |
1396 | * The reason we have to wait for the target here is that the | |
1397 | * driver layer has to init BMI in order to set the host block | |
1398 | * size. | |
1399 | */ | |
1400 | if (ath6kl_htc_wait_target(ar->htc_target)) { | |
1401 | ret = -EIO; | |
1402 | goto err_power_off; | |
1403 | } | |
1404 | ||
1405 | if (ath6kl_init_service_ep(ar)) { | |
1406 | ret = -EIO; | |
1407 | goto err_cleanup_scatter; | |
1408 | } | |
1409 | ||
1410 | /* setup credit distribution */ | |
1411 | ath6kl_credit_setup(ar->htc_target, &ar->credit_state_info); | |
1412 | ||
1413 | /* start HTC */ | |
1414 | ret = ath6kl_htc_start(ar->htc_target); | |
1415 | if (ret) { | |
1416 | /* FIXME: call this */ | |
1417 | ath6kl_cookie_cleanup(ar); | |
1418 | goto err_cleanup_scatter; | |
1419 | } | |
1420 | ||
1421 | /* Wait for Wmi event to be ready */ | |
1422 | timeleft = wait_event_interruptible_timeout(ar->event_wq, | |
1423 | test_bit(WMI_READY, | |
1424 | &ar->flag), | |
1425 | WMI_TIMEOUT); | |
1426 | ||
1427 | ath6kl_dbg(ATH6KL_DBG_BOOT, "firmware booted\n"); | |
1428 | ||
1429 | if (ar->version.abi_ver != ATH6KL_ABI_VERSION) { | |
1430 | ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n", | |
1431 | ATH6KL_ABI_VERSION, ar->version.abi_ver); | |
1432 | ret = -EIO; | |
1433 | goto err_htc_stop; | |
1434 | } | |
1435 | ||
1436 | if (!timeleft || signal_pending(current)) { | |
1437 | ath6kl_err("wmi is not ready or wait was interrupted\n"); | |
1438 | ret = -EIO; | |
1439 | goto err_htc_stop; | |
1440 | } | |
1441 | ||
1442 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__); | |
1443 | ||
1444 | /* communicate the wmi protocol verision to the target */ | |
1445 | /* FIXME: return error */ | |
1446 | if ((ath6kl_set_host_app_area(ar)) != 0) | |
1447 | ath6kl_err("unable to set the host app area\n"); | |
1448 | ||
1449 | for (i = 0; i < MAX_NUM_VIF; i++) { | |
1450 | ret = ath6kl_target_config_wlan_params(ar, i); | |
1451 | if (ret) | |
1452 | goto err_htc_stop; | |
1453 | } | |
1454 | ||
1455 | return 0; | |
1456 | ||
1457 | err_htc_stop: | |
1458 | ath6kl_htc_stop(ar->htc_target); | |
1459 | err_cleanup_scatter: | |
1460 | ath6kl_hif_cleanup_scatter(ar); | |
1461 | err_power_off: | |
1462 | ath6kl_hif_power_off(ar); | |
1463 | ||
1464 | return ret; | |
1465 | } | |
1466 | ||
5fe4dffb KV |
1467 | int ath6kl_init_hw_stop(struct ath6kl *ar) |
1468 | { | |
1469 | int ret; | |
1470 | ||
1471 | ath6kl_dbg(ATH6KL_DBG_BOOT, "hw stop\n"); | |
1472 | ||
1473 | ath6kl_htc_stop(ar->htc_target); | |
1474 | ||
1475 | ath6kl_hif_stop(ar); | |
1476 | ||
1477 | ath6kl_bmi_reset(ar); | |
1478 | ||
1479 | ret = ath6kl_hif_power_off(ar); | |
1480 | if (ret) | |
1481 | ath6kl_warn("failed to power off hif: %d\n", ret); | |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | ||
61448a93 | 1486 | int ath6kl_core_init(struct ath6kl *ar) |
bdcd8170 | 1487 | { |
61448a93 | 1488 | struct ath6kl_bmi_target_info targ_info; |
8dafb70e | 1489 | struct net_device *ndev; |
20459ee2 | 1490 | int ret = 0, i; |
bdcd8170 | 1491 | |
61448a93 KV |
1492 | ar->ath6kl_wq = create_singlethread_workqueue("ath6kl"); |
1493 | if (!ar->ath6kl_wq) | |
1494 | return -ENOMEM; | |
1495 | ||
1496 | ret = ath6kl_bmi_init(ar); | |
1497 | if (ret) | |
1498 | goto err_wq; | |
1499 | ||
20459ee2 KV |
1500 | /* |
1501 | * Turn on power to get hardware (target) version and leave power | |
1502 | * on delibrately as we will boot the hardware anyway within few | |
1503 | * seconds. | |
1504 | */ | |
61448a93 KV |
1505 | ret = ath6kl_hif_power_on(ar); |
1506 | if (ret) | |
1507 | goto err_bmi_cleanup; | |
1508 | ||
1509 | ret = ath6kl_bmi_get_target_info(ar, &targ_info); | |
1510 | if (ret) | |
1511 | goto err_power_off; | |
1512 | ||
1513 | ar->version.target_ver = le32_to_cpu(targ_info.version); | |
1514 | ar->target_type = le32_to_cpu(targ_info.type); | |
1515 | ar->wiphy->hw_version = le32_to_cpu(targ_info.version); | |
1516 | ||
1517 | ret = ath6kl_init_hw_params(ar); | |
1518 | if (ret) | |
1519 | goto err_power_off; | |
1520 | ||
61448a93 KV |
1521 | ar->htc_target = ath6kl_htc_create(ar); |
1522 | ||
1523 | if (!ar->htc_target) { | |
1524 | ret = -ENOMEM; | |
1525 | goto err_power_off; | |
1526 | } | |
1527 | ||
1528 | ret = ath6kl_fetch_firmwares(ar); | |
1529 | if (ret) | |
1530 | goto err_htc_cleanup; | |
1531 | ||
1532 | /* FIXME: we should free all firmwares in the error cases below */ | |
1533 | ||
bdcd8170 KV |
1534 | /* Indicate that WMI is enabled (although not ready yet) */ |
1535 | set_bit(WMI_ENABLED, &ar->flag); | |
2865785e | 1536 | ar->wmi = ath6kl_wmi_init(ar); |
bdcd8170 KV |
1537 | if (!ar->wmi) { |
1538 | ath6kl_err("failed to initialize wmi\n"); | |
61448a93 KV |
1539 | ret = -EIO; |
1540 | goto err_htc_cleanup; | |
bdcd8170 KV |
1541 | } |
1542 | ||
1543 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi); | |
1544 | ||
61448a93 KV |
1545 | ret = ath6kl_register_ieee80211_hw(ar); |
1546 | if (ret) | |
8dafb70e VT |
1547 | goto err_node_cleanup; |
1548 | ||
61448a93 KV |
1549 | ret = ath6kl_debug_init(ar); |
1550 | if (ret) { | |
8dafb70e VT |
1551 | wiphy_unregister(ar->wiphy); |
1552 | goto err_node_cleanup; | |
1553 | } | |
1554 | ||
55055976 VT |
1555 | for (i = 0; i < MAX_NUM_VIF; i++) |
1556 | ar->avail_idx_map |= BIT(i); | |
1557 | ||
27929723 VT |
1558 | rtnl_lock(); |
1559 | ||
8dafb70e | 1560 | /* Add an initial station interface */ |
55055976 VT |
1561 | ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0, |
1562 | INFRA_NETWORK); | |
27929723 VT |
1563 | |
1564 | rtnl_unlock(); | |
1565 | ||
8dafb70e VT |
1566 | if (!ndev) { |
1567 | ath6kl_err("Failed to instantiate a network device\n"); | |
61448a93 | 1568 | ret = -ENOMEM; |
8dafb70e VT |
1569 | wiphy_unregister(ar->wiphy); |
1570 | goto err_debug_init; | |
1571 | } | |
1572 | ||
1573 | ||
1574 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n", | |
28ae58dd | 1575 | __func__, ndev->name, ndev, ar); |
8dafb70e | 1576 | |
bdcd8170 KV |
1577 | /* setup access class priority mappings */ |
1578 | ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest */ | |
1579 | ar->ac_stream_pri_map[WMM_AC_BE] = 1; | |
1580 | ar->ac_stream_pri_map[WMM_AC_VI] = 2; | |
1581 | ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */ | |
1582 | ||
1583 | /* give our connected endpoints some buffers */ | |
1584 | ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep); | |
1585 | ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]); | |
1586 | ||
1587 | /* allocate some buffers that handle larger AMSDU frames */ | |
1588 | ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS); | |
1589 | ||
bdcd8170 KV |
1590 | ath6kl_cookie_init(ar); |
1591 | ||
bdcd8170 KV |
1592 | ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER | |
1593 | ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST; | |
1594 | ||
be98e3a4 VT |
1595 | ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM | |
1596 | WIPHY_FLAG_HAVE_AP_SME; | |
011a36e1 | 1597 | |
5fe4dffb KV |
1598 | set_bit(FIRST_BOOT, &ar->flag); |
1599 | ||
1600 | ret = ath6kl_init_hw_start(ar); | |
20459ee2 | 1601 | if (ret) { |
5fe4dffb | 1602 | ath6kl_err("Failed to start hardware: %d\n", ret); |
20459ee2 | 1603 | goto err_rxbuf_cleanup; |
0ce59445 | 1604 | } |
d66ea4f9 VT |
1605 | |
1606 | /* | |
1607 | * Set mac address which is received in ready event | |
1608 | * FIXME: Move to ath6kl_interface_add() | |
1609 | */ | |
1610 | memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN); | |
1611 | ||
5fe4dffb KV |
1612 | ret = ath6kl_init_hw_stop(ar); |
1613 | if (ret) { | |
1614 | ath6kl_err("Failed to stop hardware: %d\n", ret); | |
1615 | goto err_htc_cleanup; | |
1616 | } | |
1617 | ||
61448a93 | 1618 | return ret; |
bdcd8170 | 1619 | |
bdcd8170 | 1620 | err_rxbuf_cleanup: |
ad226ec2 | 1621 | ath6kl_htc_flush_rx_buf(ar->htc_target); |
bdcd8170 | 1622 | ath6kl_cleanup_amsdu_rxbufs(ar); |
27929723 | 1623 | rtnl_lock(); |
108438bc | 1624 | ath6kl_deinit_if_data(netdev_priv(ndev)); |
27929723 | 1625 | rtnl_unlock(); |
8dafb70e VT |
1626 | wiphy_unregister(ar->wiphy); |
1627 | err_debug_init: | |
1628 | ath6kl_debug_cleanup(ar); | |
852bd9d9 | 1629 | err_node_cleanup: |
bdcd8170 KV |
1630 | ath6kl_wmi_shutdown(ar->wmi); |
1631 | clear_bit(WMI_ENABLED, &ar->flag); | |
1632 | ar->wmi = NULL; | |
bdcd8170 | 1633 | err_htc_cleanup: |
ad226ec2 | 1634 | ath6kl_htc_cleanup(ar->htc_target); |
b2e75698 KV |
1635 | err_power_off: |
1636 | ath6kl_hif_power_off(ar); | |
bdcd8170 KV |
1637 | err_bmi_cleanup: |
1638 | ath6kl_bmi_cleanup(ar); | |
1639 | err_wq: | |
1640 | destroy_workqueue(ar->ath6kl_wq); | |
8dafb70e | 1641 | |
bdcd8170 KV |
1642 | return ret; |
1643 | } | |
1644 | ||
55055976 | 1645 | void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready) |
6db8fa53 VT |
1646 | { |
1647 | static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
1648 | bool discon_issued; | |
1649 | ||
1650 | netif_stop_queue(vif->ndev); | |
1651 | ||
1652 | clear_bit(WLAN_ENABLED, &vif->flags); | |
1653 | ||
1654 | if (wmi_ready) { | |
1655 | discon_issued = test_bit(CONNECTED, &vif->flags) || | |
1656 | test_bit(CONNECT_PEND, &vif->flags); | |
1657 | ath6kl_disconnect(vif); | |
1658 | del_timer(&vif->disconnect_timer); | |
1659 | ||
1660 | if (discon_issued) | |
1661 | ath6kl_disconnect_event(vif, DISCONNECT_CMD, | |
1662 | (vif->nw_type & AP_NETWORK) ? | |
1663 | bcast_mac : vif->bssid, | |
1664 | 0, NULL, 0); | |
1665 | } | |
1666 | ||
1667 | if (vif->scan_req) { | |
1668 | cfg80211_scan_done(vif->scan_req, true); | |
1669 | vif->scan_req = NULL; | |
1670 | } | |
6db8fa53 VT |
1671 | } |
1672 | ||
bdcd8170 KV |
1673 | void ath6kl_stop_txrx(struct ath6kl *ar) |
1674 | { | |
990bd915 | 1675 | struct ath6kl_vif *vif, *tmp_vif; |
bdcd8170 KV |
1676 | |
1677 | set_bit(DESTROY_IN_PROGRESS, &ar->flag); | |
1678 | ||
1679 | if (down_interruptible(&ar->sem)) { | |
1680 | ath6kl_err("down_interruptible failed\n"); | |
1681 | return; | |
1682 | } | |
1683 | ||
990bd915 VT |
1684 | spin_lock(&ar->list_lock); |
1685 | list_for_each_entry_safe(vif, tmp_vif, &ar->vif_list, list) { | |
1686 | list_del(&vif->list); | |
1687 | spin_unlock(&ar->list_lock); | |
1688 | ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag)); | |
27929723 VT |
1689 | rtnl_lock(); |
1690 | ath6kl_deinit_if_data(vif); | |
1691 | rtnl_unlock(); | |
990bd915 VT |
1692 | spin_lock(&ar->list_lock); |
1693 | } | |
1694 | spin_unlock(&ar->list_lock); | |
bdcd8170 | 1695 | |
6db8fa53 | 1696 | clear_bit(WMI_READY, &ar->flag); |
bdcd8170 | 1697 | |
6db8fa53 VT |
1698 | /* |
1699 | * After wmi_shudown all WMI events will be dropped. We | |
1700 | * need to cleanup the buffers allocated in AP mode and | |
1701 | * give disconnect notification to stack, which usually | |
1702 | * happens in the disconnect_event. Simulate the disconnect | |
1703 | * event by calling the function directly. Sometimes | |
1704 | * disconnect_event will be received when the debug logs | |
1705 | * are collected. | |
1706 | */ | |
1707 | ath6kl_wmi_shutdown(ar->wmi); | |
bdcd8170 | 1708 | |
6db8fa53 VT |
1709 | clear_bit(WMI_ENABLED, &ar->flag); |
1710 | if (ar->htc_target) { | |
1711 | ath6kl_dbg(ATH6KL_DBG_TRC, "%s: shut down htc\n", __func__); | |
1712 | ath6kl_htc_stop(ar->htc_target); | |
bdcd8170 KV |
1713 | } |
1714 | ||
6db8fa53 VT |
1715 | /* |
1716 | * Try to reset the device if we can. The driver may have been | |
1717 | * configure NOT to reset the target during a debug session. | |
1718 | */ | |
1719 | ath6kl_dbg(ATH6KL_DBG_TRC, | |
1720 | "attempting to reset target on instance destroy\n"); | |
1721 | ath6kl_reset_device(ar, ar->target_type, true, true); | |
19703573 | 1722 | |
6db8fa53 | 1723 | clear_bit(WLAN_ENABLED, &ar->flag); |
bdcd8170 | 1724 | } |