421 lines
11 KiB
C
421 lines
11 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/******************************************************************************
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*
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* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2015 Intel Deutschland GmbH
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*****************************************************************************/
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#include <linux/kernel.h>
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#include "iwl-io.h"
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#include "iwl-agn-hw.h"
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#include "iwl-trans.h"
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#include "iwl-fh.h"
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#include "iwl-op-mode.h"
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#include "dev.h"
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#include "agn.h"
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#include "calib.h"
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/******************************************************************************
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*
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* uCode download functions
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*
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******************************************************************************/
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/*
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* Calibration
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*/
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static int iwl_set_Xtal_calib(struct iwl_priv *priv)
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{
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struct iwl_calib_xtal_freq_cmd cmd;
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__le16 *xtal_calib = priv->nvm_data->xtal_calib;
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD);
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cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]);
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cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]);
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
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}
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static int iwl_set_temperature_offset_calib(struct iwl_priv *priv)
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{
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struct iwl_calib_temperature_offset_cmd cmd;
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memset(&cmd, 0, sizeof(cmd));
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
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cmd.radio_sensor_offset = priv->nvm_data->raw_temperature;
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if (!(cmd.radio_sensor_offset))
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cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET;
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IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n",
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le16_to_cpu(cmd.radio_sensor_offset));
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
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}
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static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv)
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{
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struct iwl_calib_temperature_offset_v2_cmd cmd;
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memset(&cmd, 0, sizeof(cmd));
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iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD);
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cmd.radio_sensor_offset_high = priv->nvm_data->kelvin_temperature;
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cmd.radio_sensor_offset_low = priv->nvm_data->raw_temperature;
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if (!cmd.radio_sensor_offset_low) {
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IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n");
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cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET;
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cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET;
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}
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cmd.burntVoltageRef = priv->nvm_data->calib_voltage;
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IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n",
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le16_to_cpu(cmd.radio_sensor_offset_high));
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IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n",
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le16_to_cpu(cmd.radio_sensor_offset_low));
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IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n",
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le16_to_cpu(cmd.burntVoltageRef));
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return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd));
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}
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static int iwl_send_calib_cfg(struct iwl_priv *priv)
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{
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struct iwl_calib_cfg_cmd calib_cfg_cmd;
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struct iwl_host_cmd cmd = {
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.id = CALIBRATION_CFG_CMD,
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.len = { sizeof(struct iwl_calib_cfg_cmd), },
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.data = { &calib_cfg_cmd, },
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};
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memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
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calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_INIT_CFG_ALL;
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calib_cfg_cmd.ucd_calib_cfg.once.start = IWL_CALIB_INIT_CFG_ALL;
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calib_cfg_cmd.ucd_calib_cfg.once.send_res = IWL_CALIB_INIT_CFG_ALL;
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calib_cfg_cmd.ucd_calib_cfg.flags =
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IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK;
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return iwl_dvm_send_cmd(priv, &cmd);
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}
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int iwl_init_alive_start(struct iwl_priv *priv)
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{
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int ret;
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if (priv->lib->bt_params &&
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priv->lib->bt_params->advanced_bt_coexist) {
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/*
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* Tell uCode we are ready to perform calibration
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* need to perform this before any calibration
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* no need to close the envlope since we are going
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* to load the runtime uCode later.
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*/
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ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
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BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
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if (ret)
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return ret;
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}
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ret = iwl_send_calib_cfg(priv);
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if (ret)
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return ret;
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/**
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* temperature offset calibration is only needed for runtime ucode,
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* so prepare the value now.
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*/
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if (priv->lib->need_temp_offset_calib) {
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if (priv->lib->temp_offset_v2)
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return iwl_set_temperature_offset_calib_v2(priv);
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else
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return iwl_set_temperature_offset_calib(priv);
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}
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return 0;
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}
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static int iwl_send_wimax_coex(struct iwl_priv *priv)
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{
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struct iwl_wimax_coex_cmd coex_cmd;
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/* coexistence is disabled */
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memset(&coex_cmd, 0, sizeof(coex_cmd));
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return iwl_dvm_send_cmd_pdu(priv,
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COEX_PRIORITY_TABLE_CMD, 0,
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sizeof(coex_cmd), &coex_cmd);
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}
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static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = {
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_LOW << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_HIGH << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(1 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_BYPASS << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_COEX_OFF << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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((BT_COEX_PRIO_TBL_PRIO_COEX_ON << IWL_BT_COEX_PRIO_TBL_PRIO_POS) |
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(0 << IWL_BT_COEX_PRIO_TBL_SHARED_ANTENNA_POS)),
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0, 0, 0, 0, 0, 0, 0
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};
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void iwl_send_prio_tbl(struct iwl_priv *priv)
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{
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struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;
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memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl,
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sizeof(iwl_bt_prio_tbl));
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if (iwl_dvm_send_cmd_pdu(priv,
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REPLY_BT_COEX_PRIO_TABLE, 0,
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sizeof(prio_tbl_cmd), &prio_tbl_cmd))
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IWL_ERR(priv, "failed to send BT prio tbl command\n");
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}
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int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
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{
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struct iwl_bt_coex_prot_env_cmd env_cmd;
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int ret;
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env_cmd.action = action;
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env_cmd.type = type;
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ret = iwl_dvm_send_cmd_pdu(priv,
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REPLY_BT_COEX_PROT_ENV, 0,
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sizeof(env_cmd), &env_cmd);
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if (ret)
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IWL_ERR(priv, "failed to send BT env command\n");
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return ret;
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}
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static const u8 iwlagn_default_queue_to_tx_fifo[] = {
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IWL_TX_FIFO_VO,
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IWL_TX_FIFO_VI,
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IWL_TX_FIFO_BE,
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IWL_TX_FIFO_BK,
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};
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static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
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IWL_TX_FIFO_VO,
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IWL_TX_FIFO_VI,
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IWL_TX_FIFO_BE,
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IWL_TX_FIFO_BK,
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IWL_TX_FIFO_BK_IPAN,
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IWL_TX_FIFO_BE_IPAN,
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IWL_TX_FIFO_VI_IPAN,
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IWL_TX_FIFO_VO_IPAN,
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IWL_TX_FIFO_BE_IPAN,
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IWL_TX_FIFO_UNUSED,
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IWL_TX_FIFO_AUX,
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};
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static int iwl_alive_notify(struct iwl_priv *priv)
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{
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const u8 *queue_to_txf;
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u8 n_queues;
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int ret;
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int i;
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iwl_trans_fw_alive(priv->trans, 0);
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if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN &&
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priv->nvm_data->sku_cap_ipan_enable) {
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n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
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queue_to_txf = iwlagn_ipan_queue_to_tx_fifo;
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} else {
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n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
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queue_to_txf = iwlagn_default_queue_to_tx_fifo;
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}
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for (i = 0; i < n_queues; i++)
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if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED)
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iwl_trans_ac_txq_enable(priv->trans, i,
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queue_to_txf[i], 0);
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priv->passive_no_rx = false;
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priv->transport_queue_stop = 0;
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ret = iwl_send_wimax_coex(priv);
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if (ret)
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return ret;
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if (!priv->lib->no_xtal_calib) {
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ret = iwl_set_Xtal_calib(priv);
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if (ret)
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return ret;
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}
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return iwl_send_calib_results(priv);
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}
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struct iwl_alive_data {
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bool valid;
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u8 subtype;
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};
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static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
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struct iwl_rx_packet *pkt, void *data)
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{
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struct iwl_priv *priv =
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container_of(notif_wait, struct iwl_priv, notif_wait);
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struct iwl_alive_data *alive_data = data;
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struct iwl_alive_resp *palive;
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palive = (void *)pkt->data;
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IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision "
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"0x%01X 0x%01X\n",
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palive->is_valid, palive->ver_type,
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palive->ver_subtype);
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priv->device_pointers.error_event_table =
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le32_to_cpu(palive->error_event_table_ptr);
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priv->device_pointers.log_event_table =
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le32_to_cpu(palive->log_event_table_ptr);
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alive_data->subtype = palive->ver_subtype;
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alive_data->valid = palive->is_valid == UCODE_VALID_OK;
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return true;
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}
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#define UCODE_ALIVE_TIMEOUT HZ
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#define UCODE_CALIB_TIMEOUT (2*HZ)
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int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
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enum iwl_ucode_type ucode_type)
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{
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struct iwl_notification_wait alive_wait;
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struct iwl_alive_data alive_data;
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const struct fw_img *fw;
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int ret;
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enum iwl_ucode_type old_type;
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static const u16 alive_cmd[] = { REPLY_ALIVE };
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fw = iwl_get_ucode_image(priv->fw, ucode_type);
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if (WARN_ON(!fw))
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return -EINVAL;
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old_type = priv->cur_ucode;
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priv->cur_ucode = ucode_type;
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priv->ucode_loaded = false;
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iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
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alive_cmd, ARRAY_SIZE(alive_cmd),
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iwl_alive_fn, &alive_data);
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ret = iwl_trans_start_fw(priv->trans, fw, false);
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if (ret) {
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priv->cur_ucode = old_type;
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iwl_remove_notification(&priv->notif_wait, &alive_wait);
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return ret;
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}
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/*
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* Some things may run in the background now, but we
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* just wait for the ALIVE notification here.
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*/
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ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
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UCODE_ALIVE_TIMEOUT);
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if (ret) {
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priv->cur_ucode = old_type;
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return ret;
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}
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if (!alive_data.valid) {
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||
|
|
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_cmd *cmd;
|
||
|
|
|
||
|
|
if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
|
||
|
|
WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
cmd = (struct iwl_calib_cmd *)pkt->data;
|
||
|
|
|
||
|
|
if (iwl_calib_set(priv, cmd, iwl_rx_packet_payload_len(pkt)))
|
||
|
|
IWL_ERR(priv, "Failed to record calibration data %d\n",
|
||
|
|
cmd->hdr.op_code);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
int iwl_run_init_ucode(struct iwl_priv *priv)
|
||
|
|
{
|
||
|
|
struct iwl_notification_wait calib_wait;
|
||
|
|
static const u16 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].num_sec)
|
||
|
|
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);
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|