From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c | 98 +++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 87 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c b/kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c
index efb1998..2139f0b 100644
--- a/kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c
+++ b/kernel/drivers/net/wireless/intel/iwlwifi/iwl-io.c
@@ -1,9 +1,13 @@
/******************************************************************************
*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
* Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- *
- * Portions of this file are derived from the ipw3945 project.
+ * Copyright(C) 2018 - 2019 Intel Corporation
*
* 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
@@ -14,16 +18,45 @@
* 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 LICENSE.
+ * file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2015 - 2016 Intel Deutschland GmbH
+ * Copyright (C) 2018 - 2019 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#include <linux/delay.h>
@@ -241,12 +274,15 @@
void iwl_force_nmi(struct iwl_trans *trans)
{
- if (trans->cfg->device_family < IWL_DEVICE_FAMILY_9000)
+ if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
iwl_write_prph(trans, DEVICE_SET_NMI_REG,
DEVICE_SET_NMI_VAL_DRV);
+ else if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
+ iwl_write_umac_prph(trans, UREG_NIC_SET_NMI_DRIVER,
+ UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER_MSK);
else
- iwl_write_prph(trans, UREG_NIC_SET_NMI_DRIVER,
- UREG_NIC_SET_NMI_DRIVER_NMI_FROM_DRIVER_MSK);
+ iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6,
+ UREG_DOORBELL_TO_ISR6_NMI_BIT);
}
IWL_EXPORT_SYMBOL(iwl_force_nmi);
@@ -392,7 +428,7 @@
FH_TSSR_TX_ERROR_REG
};
- if (trans->cfg->mq_rx_supported)
+ if (trans->trans_cfg->mq_rx_supported)
return iwl_dump_rfh(trans, buf);
#ifdef CONFIG_IWLWIFI_DEBUGFS
@@ -425,3 +461,43 @@
return 0;
}
+
+int iwl_finish_nic_init(struct iwl_trans *trans,
+ const struct iwl_cfg_trans_params *cfg_trans)
+{
+ int err;
+
+ if (cfg_trans->bisr_workaround) {
+ /* ensure the TOP FSM isn't still in previous reset */
+ mdelay(2);
+ }
+
+ /*
+ * Set "initialization complete" bit to move adapter from
+ * D0U* --> D0A* (powered-up active) state.
+ */
+ iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+
+ if (cfg_trans->device_family == IWL_DEVICE_FAMILY_8000)
+ udelay(2);
+
+ /*
+ * Wait for clock stabilization; once stabilized, access to
+ * device-internal resources is supported, e.g. iwl_write_prph()
+ * and accesses to uCode SRAM.
+ */
+ err = iwl_poll_bit(trans, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+ 25000);
+ if (err < 0)
+ IWL_DEBUG_INFO(trans, "Failed to wake NIC\n");
+
+ if (cfg_trans->bisr_workaround) {
+ /* ensure BISR shift has finished */
+ udelay(200);
+ }
+
+ return err < 0 ? err : 0;
+}
+IWL_EXPORT_SYMBOL(iwl_finish_nic_init);
--
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