| /****************************************************************************** |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2008 - 2013 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| * USA |
| * |
| * The full GNU General Public License is included in this distribution |
| * in the file called COPYING. |
| * |
| * Contact Information: |
| * Intel Linux Wireless <ilw@linux.intel.com> |
| * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| * |
| *****************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| |
| #include "iwl-io.h" |
| #include "iwl-agn-hw.h" |
| #include "iwl-trans.h" |
| #include "iwl-fh.h" |
| #include "iwl-op-mode.h" |
| |
| #include "dev.h" |
| #include "agn.h" |
| #include "calib.h" |
| |
| /****************************************************************************** |
| * |
| * uCode download functions |
| * |
| ******************************************************************************/ |
| |
| static inline const struct fw_img * |
| iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) |
| { |
| if (ucode_type >= IWL_UCODE_TYPE_MAX) |
| return NULL; |
| |
| return &priv->fw->img[ucode_type]; |
| } |
| |
| /* |
| * Calibration |
| */ |
| static int iwl_set_Xtal_calib(struct iwl_priv *priv) |
| { |
| struct iwl_calib_xtal_freq_cmd cmd; |
| __le16 *xtal_calib = priv->nvm_data->xtal_calib; |
| |
| iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD); |
| cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]); |
| cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]); |
| return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
| } |
| |
| static int iwl_set_temperature_offset_calib(struct iwl_priv *priv) |
| { |
| struct iwl_calib_temperature_offset_cmd cmd; |
| |
| memset(&cmd, 0, sizeof(cmd)); |
| iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); |
| cmd.radio_sensor_offset = priv->nvm_data->raw_temperature; |
| if (!(cmd.radio_sensor_offset)) |
| cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; |
| |
| IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n", |
| le16_to_cpu(cmd.radio_sensor_offset)); |
| return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
| } |
| |
| static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv) |
| { |
| struct iwl_calib_temperature_offset_v2_cmd cmd; |
| |
| memset(&cmd, 0, sizeof(cmd)); |
| iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); |
| cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature; |
| cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature; |
| if (!cmd.radio_sensor_offset_low) { |
| IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n"); |
| cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET; |
| cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET; |
| } |
| cmd.burntVoltageRef = priv->nvm_data->calib_voltage; |
| |
| IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n", |
| le16_to_cpu(cmd.radio_sensor_offset_high)); |
| IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n", |
| le16_to_cpu(cmd.radio_sensor_offset_low)); |
| IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n", |
| le16_to_cpu(cmd.burntVoltageRef)); |
| |
| return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); |
| } |
| |
| static int iwl_send_calib_cfg(struct iwl_priv *priv) |
| { |
| struct iwl_calib_cfg_cmd calib_cfg_cmd; |
| struct iwl_host_cmd cmd = { |
| .id = CALIBRATION_CFG_CMD, |
| .len = { sizeof(struct iwl_calib_cfg_cmd), }, |
| .data = { &calib_cfg_cmd, }, |
| }; |
| |
| memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd)); |
| calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL; |
| calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL; |
| calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL; |
| calib_cfg_cmd.ucd_calib_cfg.flags = |
| IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK; |
| |
| return iwl_dvm_send_cmd(priv, &cmd); |
| } |
| |
| int iwl_init_alive_start(struct iwl_priv *priv) |
| { |
| int ret; |
| |
| if (priv->lib->bt_params && |
| priv->lib->bt_params->advanced_bt_coexist) { |
| /* |
| * Tell uCode we are ready to perform calibration |
| * need to perform this before any calibration |
| * no need to close the envlope since we are going |
| * to load the runtime uCode later. |
| */ |
| ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, |
| BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); |
| if (ret) |
| return ret; |
| |
| } |
| |
| ret = iwl_send_calib_cfg(priv); |
| if (ret) |
| return ret; |
| |
| /** |
| * temperature offset calibration is only needed for runtime ucode, |
| * so prepare the value now. |
| */ |
| if (priv->lib->need_temp_offset_calib) { |
| if (priv->lib->temp_offset_v2) |
| return iwl_set_temperature_offset_calib_v2(priv); |
| else |
| return iwl_set_temperature_offset_calib(priv); |
| } |
| |
| return 0; |
| } |
| |
| static int iwl_send_wimax_coex(struct iwl_priv *priv) |
| { |
| struct iwl_wimax_coex_cmd coex_cmd; |
| |
| /* coexistence is disabled */ |
| memset(&coex_cmd, 0, sizeof(coex_cmd)); |
| |
| return iwl_dvm_send_cmd_pdu(priv, |
| COEX_PRIORITY_TABLE_CMD, CMD_SYNC, |
| sizeof(coex_cmd), &coex_cmd); |
| } |
| |
| static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { |
| ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| ((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) | |
| (0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)), |
| 0, 0, 0, 0, 0, 0, 0 |
| }; |
| |
| void iwl_send_prio_tbl(struct iwl_priv *priv) |
| { |
| struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd; |
| |
| memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl, |
| sizeof(iwl_bt_prio_tbl)); |
| if (iwl_dvm_send_cmd_pdu(priv, |
| REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC, |
| sizeof(prio_tbl_cmd), &prio_tbl_cmd)) |
| IWL_ERR(priv, "failed to send BT prio tbl command\n"); |
| } |
| |
| int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) |
| { |
| struct iwl_bt_coex_prot_env_cmd env_cmd; |
| int ret; |
| |
| env_cmd.action = action; |
| env_cmd.type = type; |
| ret = iwl_dvm_send_cmd_pdu(priv, |
| REPLY_BT_COEX_PROT_ENV, CMD_SYNC, |
| sizeof(env_cmd), &env_cmd); |
| if (ret) |
| IWL_ERR(priv, "failed to send BT env command\n"); |
| return ret; |
| } |
| |
| static const u8 iwlagn_default_queue_to_tx_fifo[] = { |
| IWL_TX_FIFO_VO, |
| IWL_TX_FIFO_VI, |
| IWL_TX_FIFO_BE, |
| IWL_TX_FIFO_BK, |
| }; |
| |
| static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { |
| IWL_TX_FIFO_VO, |
| IWL_TX_FIFO_VI, |
| IWL_TX_FIFO_BE, |
| IWL_TX_FIFO_BK, |
| IWL_TX_FIFO_BK_IPAN, |
| IWL_TX_FIFO_BE_IPAN, |
| IWL_TX_FIFO_VI_IPAN, |
| IWL_TX_FIFO_VO_IPAN, |
| IWL_TX_FIFO_BE_IPAN, |
| IWL_TX_FIFO_UNUSED, |
| IWL_TX_FIFO_AUX, |
| }; |
| |
| static int iwl_alive_notify(struct iwl_priv *priv) |
| { |
| const u8 *queue_to_txf; |
| u8 n_queues; |
| int ret; |
| int i; |
| |
| iwl_trans_fw_alive(priv->trans, 0); |
| |
| if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN && |
| priv->nvm_data->sku_cap_ipan_enable) { |
| n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); |
| queue_to_txf = iwlagn_ipan_queue_to_tx_fifo; |
| } else { |
| n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); |
| queue_to_txf = iwlagn_default_queue_to_tx_fifo; |
| } |
| |
| for (i = 0; i < n_queues; i++) |
| if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED) |
| iwl_trans_ac_txq_enable(priv->trans, i, |
| queue_to_txf[i]); |
| |
| priv->passive_no_rx = false; |
| priv->transport_queue_stop = 0; |
| |
| ret = iwl_send_wimax_coex(priv); |
| if (ret) |
| return ret; |
| |
| if (!priv->lib->no_xtal_calib) { |
| ret = iwl_set_Xtal_calib(priv); |
| if (ret) |
| return ret; |
| } |
| |
| return iwl_send_calib_results(priv); |
| } |
| |
| struct iwl_alive_data { |
| bool valid; |
| u8 subtype; |
| }; |
| |
| static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, |
| struct iwl_rx_packet *pkt, void *data) |
| { |
| struct iwl_priv *priv = |
| container_of(notif_wait, struct iwl_priv, notif_wait); |
| struct iwl_alive_data *alive_data = data; |
| struct iwl_alive_resp *palive; |
| |
| palive = (void *)pkt->data; |
| |
| IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision " |
| "0x%01X 0x%01X\n", |
| palive->is_valid, palive->ver_type, |
| palive->ver_subtype); |
| |
| priv->device_pointers.error_event_table = |
| le32_to_cpu(palive->error_event_table_ptr); |
| priv->device_pointers.log_event_table = |
| le32_to_cpu(palive->log_event_table_ptr); |
| |
| alive_data->subtype = palive->ver_subtype; |
| alive_data->valid = palive->is_valid == UCODE_VALID_OK; |
| |
| return true; |
| } |
| |
| #define UCODE_ALIVE_TIMEOUT HZ |
| #define UCODE_CALIB_TIMEOUT (2*HZ) |
| |
| int iwl_load_ucode_wait_alive(struct iwl_priv *priv, |
| enum iwl_ucode_type ucode_type) |
| { |
| struct iwl_notification_wait alive_wait; |
| struct iwl_alive_data alive_data; |
| const struct fw_img *fw; |
| int ret; |
| enum iwl_ucode_type old_type; |
| static const u8 alive_cmd[] = { REPLY_ALIVE }; |
| |
| fw = iwl_get_ucode_image(priv, ucode_type); |
| if (WARN_ON(!fw)) |
| return -EINVAL; |
| |
| old_type = priv->cur_ucode; |
| priv->cur_ucode = ucode_type; |
| priv->ucode_loaded = false; |
| |
| iwl_init_notification_wait(&priv->notif_wait, &alive_wait, |
| alive_cmd, ARRAY_SIZE(alive_cmd), |
| iwl_alive_fn, &alive_data); |
| |
| ret = iwl_trans_start_fw(priv->trans, fw, false); |
| if (ret) { |
| priv->cur_ucode = old_type; |
| iwl_remove_notification(&priv->notif_wait, &alive_wait); |
| return ret; |
| } |
| |
| /* |
| * Some things may run in the background now, but we |
| * just wait for the ALIVE notification here. |
| */ |
| ret = iwl_wait_notification(&priv->notif_wait, &alive_wait, |
| UCODE_ALIVE_TIMEOUT); |
| if (ret) { |
| priv->cur_ucode = old_type; |
| return ret; |
| } |
| |
| if (!alive_data.valid) { |
| IWL_ERR(priv, "Loaded ucode is not valid!\n"); |
| priv->cur_ucode = old_type; |
| return -EIO; |
| } |
| |
| priv->ucode_loaded = true; |
| |
| if (ucode_type != IWL_UCODE_WOWLAN) { |
| /* delay a bit to give rfkill time to run */ |
| msleep(5); |
| } |
| |
| ret = iwl_alive_notify(priv); |
| if (ret) { |
| IWL_WARN(priv, |
| "Could not complete ALIVE transition: %d\n", ret); |
| priv->cur_ucode = old_type; |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait, |
| struct iwl_rx_packet *pkt, void *data) |
| { |
| struct iwl_priv *priv = data; |
| struct iwl_calib_hdr *hdr; |
| int len; |
| |
| if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) { |
| WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION); |
| return true; |
| } |
| |
| hdr = (struct iwl_calib_hdr *)pkt->data; |
| len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; |
| |
| /* reduce the size by the length field itself */ |
| len -= sizeof(__le32); |
| |
| if (iwl_calib_set(priv, hdr, len)) |
| IWL_ERR(priv, "Failed to record calibration data %d\n", |
| hdr->op_code); |
| |
| return false; |
| } |
| |
| int iwl_run_init_ucode(struct iwl_priv *priv) |
| { |
| struct iwl_notification_wait calib_wait; |
| static const u8 calib_complete[] = { |
| CALIBRATION_RES_NOTIFICATION, |
| CALIBRATION_COMPLETE_NOTIFICATION |
| }; |
| int ret; |
| |
| lockdep_assert_held(&priv->mutex); |
| |
| /* No init ucode required? Curious, but maybe ok */ |
| if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len) |
| return 0; |
| |
| if (priv->init_ucode_run) |
| return 0; |
| |
| iwl_init_notification_wait(&priv->notif_wait, &calib_wait, |
| calib_complete, ARRAY_SIZE(calib_complete), |
| iwlagn_wait_calib, priv); |
| |
| /* Will also start the device */ |
| ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); |
| if (ret) |
| goto error; |
| |
| ret = iwl_init_alive_start(priv); |
| if (ret) |
| goto error; |
| |
| /* |
| * Some things may run in the background now, but we |
| * just wait for the calibration complete notification. |
| */ |
| ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, |
| UCODE_CALIB_TIMEOUT); |
| if (!ret) |
| priv->init_ucode_run = true; |
| |
| goto out; |
| |
| error: |
| iwl_remove_notification(&priv->notif_wait, &calib_wait); |
| out: |
| /* Whatever happened, stop the device */ |
| iwl_trans_stop_device(priv->trans); |
| priv->ucode_loaded = false; |
| |
| return ret; |
| } |