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2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d 
 kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c
....@@ -1,9 +1,13 @@
11 /******************************************************************************
22  *
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+ * This file is provided under a dual BSD/GPLv2 license.  When using or
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+ * redistributing this file, you may do so under either license.
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+ *
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+ * GPL LICENSE SUMMARY
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+ *
38  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
49  * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
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- *
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- * Portions of this file are derived from the ipw3945 project.
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+ * Copyright(C) 2018 - 2019 Intel Corporation
711  *
812  * This program is free software; you can redistribute it and/or modify it
913  * under the terms of version 2 of the GNU General Public License as
....@@ -14,16 +18,45 @@
1418  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
1519  * more details.
1620  *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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- *
2121  * The full GNU General Public License is included in this distribution in the
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- * file called LICENSE.
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+ * file called COPYING.
2323  *
2424  * Contact Information:
2525  *  Intel Linux Wireless <linuxwifi@intel.com>
2626  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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+ *
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+ * BSD LICENSE
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+ *
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+ * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
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+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
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+ * Copyright (C) 2018 - 2019 Intel Corporation
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+ * All rights reserved.
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+ *
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+ * Redistribution and use in source and binary forms, with or without
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+ * modification, are permitted provided that the following conditions
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+ * are met:
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+ *
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+ *  * Redistributions of source code must retain the above copyright
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+ *    notice, this list of conditions and the following disclaimer.
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+ *  * Redistributions in binary form must reproduce the above copyright
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+ *    notice, this list of conditions and the following disclaimer in
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+ *    the documentation and/or other materials provided with the
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+ *    distribution.
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+ *  * Neither the name Intel Corporation nor the names of its
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+ *    contributors may be used to endorse or promote products derived
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+ *    from this software without specific prior written permission.
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+ *
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+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2760  *
2861  *****************************************************************************/
2962 #include <linux/delay.h>
....@@ -241,12 +274,15 @@
241274 
242275 void iwl_force_nmi(struct iwl_trans *trans)
243276 {
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-	if (trans->cfg->device_family < IWL_DEVICE_FAMILY_9000)
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+	if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
245278 		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
246279 			       DEVICE_SET_NMI_VAL_DRV);
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+	else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
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+		iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER,
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+				UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER_MSK);
247283 	else
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-		iwl_write_prph(trans, UREG_NIC_SET_NMI_DRIVER,
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-			       UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER_MSK);
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+		iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6,
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+				    UREG_DOORBELL_TO_ISR6_NMI_BIT);
250286 }
251287 IWL_EXPORT_SYMBOL(iwl_force_nmi);
252288 
....@@ -392,7 +428,7 @@
392428 		FH_TSSR_TX_ERROR_REG
393429 	};
394430 
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-	if (trans->cfg->mq_rx_supported)
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+	if (trans->trans_cfg->mq_rx_supported)
396432 		return iwl_dump_rfh(trans, buf);
397433 
398434 #ifdef CONFIG_IWLWIFI_DEBUGFS
....@@ -425,3 +461,43 @@
425461 
426462 	return 0;
427463 }
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+
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+int iwl_finish_nic_init(struct iwl_trans *trans,
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+			const struct iwl_cfg_trans_params *cfg_trans)
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+{
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+	int err;
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+
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+	if (cfg_trans->bisr_workaround) {
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+		/* ensure the TOP FSM isn't still in previous reset */
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+		mdelay(2);
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+	}
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+
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+	/*
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+	 * Set "initialization complete" bit to move adapter from
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+	 * D0U* --> D0A* (powered-up active) state.
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+	 */
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+	iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
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+
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+	if (cfg_trans->device_family == IWL_DEVICE_FAMILY_8000)
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+		udelay(2);
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+
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+	/*
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+	 * Wait for clock stabilization; once stabilized, access to
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+	 * device-internal resources is supported, e.g. iwl_write_prph()
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+	 * and accesses to uCode SRAM.
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+	 */
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+	err = iwl_poll_bit(trans, CSR_GP_CNTRL,
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+			   CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
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+			   CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
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+			   25000);
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+	if (err < 0)
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+		IWL_DEBUG_INFO(trans, "Failed to wake NIC\n");
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+
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+	if (cfg_trans->bisr_workaround) {
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+		/* ensure BISR shift has finished */
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+		udelay(200);
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+	}
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+
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+	return err < 0 ? err : 0;
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+}
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+IWL_EXPORT_SYMBOL(iwl_finish_nic_init);