Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / net / wireless / intel / iwlwifi / dvm / ucode.c
blobd6013bfe991cde5f28b694ff72a0bb46812b0081
1 /******************************************************************************
3 * GPL LICENSE SUMMARY
5 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
6 * Copyright(c) 2015 Intel Deutschland GmbH
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
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.
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 Street, Fifth Floor, Boston, MA 02110,
20 * USA
22 * The full GNU General Public License is included in this distribution
23 * in the file called COPYING.
25 * Contact Information:
26 * Intel Linux Wireless <linuxwifi@intel.com>
27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
29 *****************************************************************************/
31 #include <linux/kernel.h>
33 #include "iwl-io.h"
34 #include "iwl-agn-hw.h"
35 #include "iwl-trans.h"
36 #include "iwl-fh.h"
37 #include "iwl-op-mode.h"
39 #include "dev.h"
40 #include "agn.h"
41 #include "calib.h"
43 /******************************************************************************
45 * uCode download functions
47 ******************************************************************************/
50 * Calibration
52 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
54 struct iwl_calib_xtal_freq_cmd cmd;
55 __le16 *xtal_calib = priv->nvm_data->xtal_calib;
57 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
58 cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
59 cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
60 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
63 static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
65 struct iwl_calib_temperature_offset_cmd cmd;
67 memset(&cmd, 0, sizeof(cmd));
68 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
69 cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
70 if (!(cmd.radio_sensor_offset))
71 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
73 IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
74 le16_to_cpu(cmd.radio_sensor_offset));
75 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
78 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
80 struct iwl_calib_temperature_offset_v2_cmd cmd;
82 memset(&cmd, 0, sizeof(cmd));
83 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
84 cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
85 cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
86 if (!cmd.radio_sensor_offset_low) {
87 IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
88 cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
89 cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
91 cmd.burntVoltageRef = priv->nvm_data->calib_voltage;
93 IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
94 le16_to_cpu(cmd.radio_sensor_offset_high));
95 IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
96 le16_to_cpu(cmd.radio_sensor_offset_low));
97 IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
98 le16_to_cpu(cmd.burntVoltageRef));
100 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
103 static int iwl_send_calib_cfg(struct iwl_priv *priv)
105 struct iwl_calib_cfg_cmd calib_cfg_cmd;
106 struct iwl_host_cmd cmd = {
107 .id = CALIBRATION_CFG_CMD,
108 .len = { sizeof(struct iwl_calib_cfg_cmd), },
109 .data = { &calib_cfg_cmd, },
112 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
113 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
114 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
115 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
116 calib_cfg_cmd.ucd_calib_cfg.flags =
117 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
119 return iwl_dvm_send_cmd(priv, &cmd);
122 int iwl_init_alive_start(struct iwl_priv *priv)
124 int ret;
126 if (priv->lib->bt_params &&
127 priv->lib->bt_params->advanced_bt_coexist) {
129 * Tell uCode we are ready to perform calibration
130 * need to perform this before any calibration
131 * no need to close the envlope since we are going
132 * to load the runtime uCode later.
134 ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
135 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
136 if (ret)
137 return ret;
141 ret = iwl_send_calib_cfg(priv);
142 if (ret)
143 return ret;
146 * temperature offset calibration is only needed for runtime ucode,
147 * so prepare the value now.
149 if (priv->lib->need_temp_offset_calib) {
150 if (priv->lib->temp_offset_v2)
151 return iwl_set_temperature_offset_calib_v2(priv);
152 else
153 return iwl_set_temperature_offset_calib(priv);
156 return 0;
159 static int iwl_send_wimax_coex(struct iwl_priv *priv)
161 struct iwl_wimax_coex_cmd coex_cmd;
163 /* coexistence is disabled */
164 memset(&coex_cmd, 0, sizeof(coex_cmd));
166 return iwl_dvm_send_cmd_pdu(priv,
167 COEX_PRIORITY_TABLE_CMD, 0,
168 sizeof(coex_cmd), &coex_cmd);
171 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
172 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
173 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
174 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
175 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
176 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
177 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
178 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
179 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
180 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
181 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
182 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
183 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
184 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
185 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
186 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
187 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
188 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
189 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
190 0, 0, 0, 0, 0, 0, 0
193 void iwl_send_prio_tbl(struct iwl_priv *priv)
195 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
197 memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
198 sizeof(iwl_bt_prio_tbl));
199 if (iwl_dvm_send_cmd_pdu(priv,
200 REPLY_BT_COEX_PRIO_TABLE, 0,
201 sizeof(prio_tbl_cmd), &prio_tbl_cmd))
202 IWL_ERR(priv, "failed to send BT prio tbl command\n");
205 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
207 struct iwl_bt_coex_prot_env_cmd env_cmd;
208 int ret;
210 env_cmd.action = action;
211 env_cmd.type = type;
212 ret = iwl_dvm_send_cmd_pdu(priv,
213 REPLY_BT_COEX_PROT_ENV, 0,
214 sizeof(env_cmd), &env_cmd);
215 if (ret)
216 IWL_ERR(priv, "failed to send BT env command\n");
217 return ret;
220 static const u8 iwlagn_default_queue_to_tx_fifo[] = {
221 IWL_TX_FIFO_VO,
222 IWL_TX_FIFO_VI,
223 IWL_TX_FIFO_BE,
224 IWL_TX_FIFO_BK,
227 static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
228 IWL_TX_FIFO_VO,
229 IWL_TX_FIFO_VI,
230 IWL_TX_FIFO_BE,
231 IWL_TX_FIFO_BK,
232 IWL_TX_FIFO_BK_IPAN,
233 IWL_TX_FIFO_BE_IPAN,
234 IWL_TX_FIFO_VI_IPAN,
235 IWL_TX_FIFO_VO_IPAN,
236 IWL_TX_FIFO_BE_IPAN,
237 IWL_TX_FIFO_UNUSED,
238 IWL_TX_FIFO_AUX,
241 static int iwl_alive_notify(struct iwl_priv *priv)
243 const u8 *queue_to_txf;
244 u8 n_queues;
245 int ret;
246 int i;
248 iwl_trans_fw_alive(priv->trans, 0);
250 if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
251 priv->nvm_data->sku_cap_ipan_enable) {
252 n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
253 queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
254 } else {
255 n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
256 queue_to_txf = iwlagn_default_queue_to_tx_fifo;
259 for (i = 0; i < n_queues; i++)
260 if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED)
261 iwl_trans_ac_txq_enable(priv->trans, i,
262 queue_to_txf[i], 0);
264 priv->passive_no_rx = false;
265 priv->transport_queue_stop = 0;
267 ret = iwl_send_wimax_coex(priv);
268 if (ret)
269 return ret;
271 if (!priv->lib->no_xtal_calib) {
272 ret = iwl_set_Xtal_calib(priv);
273 if (ret)
274 return ret;
277 return iwl_send_calib_results(priv);
280 struct iwl_alive_data {
281 bool valid;
282 u8 subtype;
285 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
286 struct iwl_rx_packet *pkt, void *data)
288 struct iwl_priv *priv =
289 container_of(notif_wait, struct iwl_priv, notif_wait);
290 struct iwl_alive_data *alive_data = data;
291 struct iwl_alive_resp *palive;
293 palive = (void *)pkt->data;
295 IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
296 "0x%01X 0x%01X\n",
297 palive->is_valid, palive->ver_type,
298 palive->ver_subtype);
300 priv->device_pointers.error_event_table =
301 le32_to_cpu(palive->error_event_table_ptr);
302 priv->device_pointers.log_event_table =
303 le32_to_cpu(palive->log_event_table_ptr);
305 alive_data->subtype = palive->ver_subtype;
306 alive_data->valid = palive->is_valid == UCODE_VALID_OK;
308 return true;
311 #define UCODE_ALIVE_TIMEOUT HZ
312 #define UCODE_CALIB_TIMEOUT (2*HZ)
314 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
315 enum iwl_ucode_type ucode_type)
317 struct iwl_notification_wait alive_wait;
318 struct iwl_alive_data alive_data;
319 const struct fw_img *fw;
320 int ret;
321 enum iwl_ucode_type old_type;
322 static const u16 alive_cmd[] = { REPLY_ALIVE };
324 fw = iwl_get_ucode_image(priv->fw, ucode_type);
325 if (WARN_ON(!fw))
326 return -EINVAL;
328 old_type = priv->cur_ucode;
329 priv->cur_ucode = ucode_type;
330 priv->ucode_loaded = false;
332 iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
333 alive_cmd, ARRAY_SIZE(alive_cmd),
334 iwl_alive_fn, &alive_data);
336 ret = iwl_trans_start_fw(priv->trans, fw, false);
337 if (ret) {
338 priv->cur_ucode = old_type;
339 iwl_remove_notification(&priv->notif_wait, &alive_wait);
340 return ret;
344 * Some things may run in the background now, but we
345 * just wait for the ALIVE notification here.
347 ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
348 UCODE_ALIVE_TIMEOUT);
349 if (ret) {
350 priv->cur_ucode = old_type;
351 return ret;
354 if (!alive_data.valid) {
355 IWL_ERR(priv, "Loaded ucode is not valid!\n");
356 priv->cur_ucode = old_type;
357 return -EIO;
360 priv->ucode_loaded = true;
362 if (ucode_type != IWL_UCODE_WOWLAN) {
363 /* delay a bit to give rfkill time to run */
364 msleep(5);
367 ret = iwl_alive_notify(priv);
368 if (ret) {
369 IWL_WARN(priv,
370 "Could not complete ALIVE transition: %d\n", ret);
371 priv->cur_ucode = old_type;
372 return ret;
375 return 0;
378 static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
379 struct iwl_rx_packet *pkt, void *data)
381 struct iwl_priv *priv = data;
382 struct iwl_calib_hdr *hdr;
384 if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
385 WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
386 return true;
389 hdr = (struct iwl_calib_hdr *)pkt->data;
391 if (iwl_calib_set(priv, hdr, iwl_rx_packet_payload_len(pkt)))
392 IWL_ERR(priv, "Failed to record calibration data %d\n",
393 hdr->op_code);
395 return false;
398 int iwl_run_init_ucode(struct iwl_priv *priv)
400 struct iwl_notification_wait calib_wait;
401 static const u16 calib_complete[] = {
402 CALIBRATION_RES_NOTIFICATION,
403 CALIBRATION_COMPLETE_NOTIFICATION
405 int ret;
407 lockdep_assert_held(&priv->mutex);
409 /* No init ucode required? Curious, but maybe ok */
410 if (!priv->fw->img[IWL_UCODE_INIT].num_sec)
411 return 0;
413 iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
414 calib_complete, ARRAY_SIZE(calib_complete),
415 iwlagn_wait_calib, priv);
417 /* Will also start the device */
418 ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
419 if (ret)
420 goto error;
422 ret = iwl_init_alive_start(priv);
423 if (ret)
424 goto error;
427 * Some things may run in the background now, but we
428 * just wait for the calibration complete notification.
430 ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
431 UCODE_CALIB_TIMEOUT);
433 goto out;
435 error:
436 iwl_remove_notification(&priv->notif_wait, &calib_wait);
437 out:
438 /* Whatever happened, stop the device */
439 iwl_trans_stop_device(priv->trans);
440 priv->ucode_loaded = false;
442 return ret;