1 /******************************************************************************
5 * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
21 * The full GNU General Public License is included in this distribution
22 * in the file called LICENSE.GPL.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *****************************************************************************/
30 #include <linux/kernel.h>
31 #include <linux/init.h>
35 #include "iwl-agn-hw.h"
37 #include "iwl-agn-calib.h"
38 #include "iwl-trans.h"
40 #include "iwl-op-mode.h"
42 /******************************************************************************
44 * uCode download functions
46 ******************************************************************************/
48 static inline const struct fw_img *
49 iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type)
51 if (ucode_type >= IWL_UCODE_TYPE_MAX)
54 return &priv->fw->img[ucode_type];
60 static int iwl_set_Xtal_calib(struct iwl_priv *priv)
62 struct iwl_calib_xtal_freq_cmd cmd;
64 (__le16 *)iwl_eeprom_query_addr(priv, EEPROM_XTAL);
66 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
67 cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
68 cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
69 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
72 static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
74 struct iwl_calib_temperature_offset_cmd cmd;
75 __le16 *offset_calib =
76 (__le16 *)iwl_eeprom_query_addr(priv, EEPROM_RAW_TEMPERATURE);
78 memset(&cmd, 0, sizeof(cmd));
79 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
80 memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib));
81 if (!(cmd.radio_sensor_offset))
82 cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
84 IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
85 le16_to_cpu(cmd.radio_sensor_offset));
86 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
89 static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
91 struct iwl_calib_temperature_offset_v2_cmd cmd;
92 __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv,
93 EEPROM_KELVIN_TEMPERATURE);
94 __le16 *offset_calib_low =
95 (__le16 *)iwl_eeprom_query_addr(priv, EEPROM_RAW_TEMPERATURE);
96 struct iwl_eeprom_calib_hdr *hdr;
98 memset(&cmd, 0, sizeof(cmd));
99 iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
100 hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv,
102 memcpy(&cmd.radio_sensor_offset_high, offset_calib_high,
103 sizeof(*offset_calib_high));
104 memcpy(&cmd.radio_sensor_offset_low, offset_calib_low,
105 sizeof(*offset_calib_low));
106 if (!(cmd.radio_sensor_offset_low)) {
107 IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
108 cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
109 cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
111 memcpy(&cmd.burntVoltageRef, &hdr->voltage,
112 sizeof(hdr->voltage));
114 IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
115 le16_to_cpu(cmd.radio_sensor_offset_high));
116 IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
117 le16_to_cpu(cmd.radio_sensor_offset_low));
118 IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
119 le16_to_cpu(cmd.burntVoltageRef));
121 return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
124 static int iwl_send_calib_cfg(struct iwl_priv *priv)
126 struct iwl_calib_cfg_cmd calib_cfg_cmd;
127 struct iwl_host_cmd cmd = {
128 .id = CALIBRATION_CFG_CMD,
129 .len = { sizeof(struct iwl_calib_cfg_cmd), },
130 .data = { &calib_cfg_cmd, },
133 memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
134 calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
135 calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
136 calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
137 calib_cfg_cmd.ucd_calib_cfg.flags =
138 IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
140 return iwl_dvm_send_cmd(priv, &cmd);
143 int iwl_init_alive_start(struct iwl_priv *priv)
147 if (priv->cfg->bt_params &&
148 priv->cfg->bt_params->advanced_bt_coexist) {
150 * Tell uCode we are ready to perform calibration
151 * need to perform this before any calibration
152 * no need to close the envlope since we are going
153 * to load the runtime uCode later.
155 ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
156 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
162 ret = iwl_send_calib_cfg(priv);
167 * temperature offset calibration is only needed for runtime ucode,
168 * so prepare the value now.
170 if (priv->cfg->need_temp_offset_calib) {
171 if (priv->cfg->temp_offset_v2)
172 return iwl_set_temperature_offset_calib_v2(priv);
174 return iwl_set_temperature_offset_calib(priv);
180 int iwl_send_wimax_coex(struct iwl_priv *priv)
182 struct iwl_wimax_coex_cmd coex_cmd;
184 /* coexistence is disabled */
185 memset(&coex_cmd, 0, sizeof(coex_cmd));
187 return iwl_dvm_send_cmd_pdu(priv,
188 COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
189 sizeof(coex_cmd), &coex_cmd);
192 static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
193 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
194 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
195 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
196 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
197 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
198 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
199 ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
200 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
201 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
202 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
203 ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
204 (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
205 ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
206 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
207 ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
208 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
209 ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
210 (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
214 void iwl_send_prio_tbl(struct iwl_priv *priv)
216 struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
218 memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
219 sizeof(iwl_bt_prio_tbl));
220 if (iwl_dvm_send_cmd_pdu(priv,
221 REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC,
222 sizeof(prio_tbl_cmd), &prio_tbl_cmd))
223 IWL_ERR(priv, "failed to send BT prio tbl command\n");
226 int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
228 struct iwl_bt_coex_prot_env_cmd env_cmd;
231 env_cmd.action = action;
233 ret = iwl_dvm_send_cmd_pdu(priv,
234 REPLY_BT_COEX_PROT_ENV, CMD_SYNC,
235 sizeof(env_cmd), &env_cmd);
237 IWL_ERR(priv, "failed to send BT env command\n");
242 static int iwl_alive_notify(struct iwl_priv *priv)
246 iwl_trans_fw_alive(priv->trans);
248 priv->passive_no_rx = false;
249 priv->transport_queue_stop = 0;
251 ret = iwl_send_wimax_coex(priv);
255 if (!priv->cfg->no_xtal_calib) {
256 ret = iwl_set_Xtal_calib(priv);
261 return iwl_send_calib_results(priv);
266 * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
267 * using sample data 100 bytes apart. If these sample points are good,
268 * it's a pretty good bet that everything between them is good, too.
270 static int iwl_verify_sec_sparse(struct iwl_priv *priv,
271 const struct fw_desc *fw_desc)
273 __le32 *image = (__le32 *)fw_desc->v_addr;
274 u32 len = fw_desc->len;
278 IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
280 for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
281 /* read data comes through single port, auto-incr addr */
282 /* NOTE: Use the debugless read so we don't flood kernel log
283 * if IWL_DL_IO is set */
284 iwl_write_direct32(priv->trans, HBUS_TARG_MEM_RADDR,
285 i + fw_desc->offset);
286 val = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT);
287 if (val != le32_to_cpu(*image))
294 static void iwl_print_mismatch_sec(struct iwl_priv *priv,
295 const struct fw_desc *fw_desc)
297 __le32 *image = (__le32 *)fw_desc->v_addr;
298 u32 len = fw_desc->len;
303 IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len);
305 iwl_write_direct32(priv->trans, HBUS_TARG_MEM_RADDR,
309 offs < len && errors < 20;
310 offs += sizeof(u32), image++) {
311 /* read data comes through single port, auto-incr addr */
312 val = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT);
313 if (val != le32_to_cpu(*image)) {
314 IWL_ERR(priv, "uCode INST section at "
315 "offset 0x%x, is 0x%x, s/b 0x%x\n",
316 offs, val, le32_to_cpu(*image));
323 * iwl_verify_ucode - determine which instruction image is in SRAM,
324 * and verify its contents
326 static int iwl_verify_ucode(struct iwl_priv *priv,
327 enum iwl_ucode_type ucode_type)
329 const struct fw_img *img = iwl_get_ucode_image(priv, ucode_type);
332 IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type);
336 if (!iwl_verify_sec_sparse(priv, &img->sec[IWL_UCODE_SECTION_INST])) {
337 IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n");
341 IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n");
343 iwl_print_mismatch_sec(priv, &img->sec[IWL_UCODE_SECTION_INST]);
347 struct iwl_alive_data {
352 static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
353 struct iwl_rx_packet *pkt, void *data)
355 struct iwl_priv *priv =
356 container_of(notif_wait, struct iwl_priv, notif_wait);
357 struct iwl_alive_data *alive_data = data;
358 struct iwl_alive_resp *palive;
360 palive = (void *)pkt->data;
362 IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
364 palive->is_valid, palive->ver_type,
365 palive->ver_subtype);
367 priv->device_pointers.error_event_table =
368 le32_to_cpu(palive->error_event_table_ptr);
369 priv->device_pointers.log_event_table =
370 le32_to_cpu(palive->log_event_table_ptr);
372 alive_data->subtype = palive->ver_subtype;
373 alive_data->valid = palive->is_valid == UCODE_VALID_OK;
378 #define UCODE_ALIVE_TIMEOUT HZ
379 #define UCODE_CALIB_TIMEOUT (2*HZ)
381 int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
382 enum iwl_ucode_type ucode_type)
384 struct iwl_notification_wait alive_wait;
385 struct iwl_alive_data alive_data;
386 const struct fw_img *fw;
388 enum iwl_ucode_type old_type;
389 static const u8 alive_cmd[] = { REPLY_ALIVE };
391 old_type = priv->cur_ucode;
392 priv->cur_ucode = ucode_type;
393 fw = iwl_get_ucode_image(priv, ucode_type);
395 priv->ucode_loaded = false;
400 iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
401 alive_cmd, ARRAY_SIZE(alive_cmd),
402 iwl_alive_fn, &alive_data);
404 ret = iwl_trans_start_fw(priv->trans, fw);
406 priv->cur_ucode = old_type;
407 iwl_remove_notification(&priv->notif_wait, &alive_wait);
412 * Some things may run in the background now, but we
413 * just wait for the ALIVE notification here.
415 ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
416 UCODE_ALIVE_TIMEOUT);
418 priv->cur_ucode = old_type;
422 if (!alive_data.valid) {
423 IWL_ERR(priv, "Loaded ucode is not valid!\n");
424 priv->cur_ucode = old_type;
429 * This step takes a long time (60-80ms!!) and
430 * WoWLAN image should be loaded quickly, so
431 * skip it for WoWLAN.
433 if (ucode_type != IWL_UCODE_WOWLAN) {
434 ret = iwl_verify_ucode(priv, ucode_type);
436 priv->cur_ucode = old_type;
440 /* delay a bit to give rfkill time to run */
444 ret = iwl_alive_notify(priv);
447 "Could not complete ALIVE transition: %d\n", ret);
448 priv->cur_ucode = old_type;
452 priv->ucode_loaded = true;
457 static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
458 struct iwl_rx_packet *pkt, void *data)
460 struct iwl_priv *priv = data;
461 struct iwl_calib_hdr *hdr;
464 if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
465 WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
469 hdr = (struct iwl_calib_hdr *)pkt->data;
470 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
472 /* reduce the size by the length field itself */
473 len -= sizeof(__le32);
475 if (iwl_calib_set(priv, hdr, len))
476 IWL_ERR(priv, "Failed to record calibration data %d\n",
482 int iwl_run_init_ucode(struct iwl_priv *priv)
484 struct iwl_notification_wait calib_wait;
485 static const u8 calib_complete[] = {
486 CALIBRATION_RES_NOTIFICATION,
487 CALIBRATION_COMPLETE_NOTIFICATION
491 lockdep_assert_held(&priv->mutex);
493 /* No init ucode required? Curious, but maybe ok */
494 if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
497 if (priv->init_ucode_run)
500 iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
501 calib_complete, ARRAY_SIZE(calib_complete),
502 iwlagn_wait_calib, priv);
504 /* Will also start the device */
505 ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);
509 ret = iwl_init_alive_start(priv);
514 * Some things may run in the background now, but we
515 * just wait for the calibration complete notification.
517 ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
518 UCODE_CALIB_TIMEOUT);
520 priv->init_ucode_run = true;
525 iwl_remove_notification(&priv->notif_wait, &calib_wait);
527 /* Whatever happened, stop the device */
528 iwl_trans_stop_device(priv->trans);
529 priv->ucode_loaded = false;