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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1264 lines
36 KiB
C
1264 lines
36 KiB
C
/******************************************************************************
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*
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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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*
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* Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* 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) 2005 - 2013 Intel Corporation. All rights reserved.
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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.
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*
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*****************************************************************************/
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#include <linux/completion.h>
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#include <linux/dma-mapping.h>
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <linux/vmalloc.h>
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#include "iwl-drv.h"
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#include "iwl-debug.h"
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#include "iwl-trans.h"
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#include "iwl-op-mode.h"
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#include "iwl-agn-hw.h"
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#include "iwl-fw.h"
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#include "iwl-config.h"
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#include "iwl-modparams.h"
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/* private includes */
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#include "iwl-fw-file.h"
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/******************************************************************************
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*
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* module boiler plate
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*
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******************************************************************************/
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/*
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* module name, copyright, version, etc.
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*/
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#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
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#ifdef CONFIG_IWLWIFI_DEBUG
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#define VD "d"
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#else
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#define VD
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#endif
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#define DRV_VERSION IWLWIFI_VERSION VD
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MODULE_DESCRIPTION(DRV_DESCRIPTION);
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MODULE_VERSION(DRV_VERSION);
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MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
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MODULE_LICENSE("GPL");
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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static struct dentry *iwl_dbgfs_root;
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#endif
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/**
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* struct iwl_drv - drv common data
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* @list: list of drv structures using this opmode
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* @fw: the iwl_fw structure
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* @op_mode: the running op_mode
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* @trans: transport layer
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* @dev: for debug prints only
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* @cfg: configuration struct
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* @fw_index: firmware revision to try loading
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* @firmware_name: composite filename of ucode file to load
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* @request_firmware_complete: the firmware has been obtained from user space
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*/
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struct iwl_drv {
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struct list_head list;
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struct iwl_fw fw;
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struct iwl_op_mode *op_mode;
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struct iwl_trans *trans;
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struct device *dev;
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const struct iwl_cfg *cfg;
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int fw_index; /* firmware we're trying to load */
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char firmware_name[25]; /* name of firmware file to load */
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struct completion request_firmware_complete;
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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struct dentry *dbgfs_drv;
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struct dentry *dbgfs_trans;
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struct dentry *dbgfs_op_mode;
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#endif
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};
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enum {
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DVM_OP_MODE = 0,
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MVM_OP_MODE = 1,
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};
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/* Protects the table contents, i.e. the ops pointer & drv list */
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static struct mutex iwlwifi_opmode_table_mtx;
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static struct iwlwifi_opmode_table {
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const char *name; /* name: iwldvm, iwlmvm, etc */
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const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
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struct list_head drv; /* list of devices using this op_mode */
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} iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
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[DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
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[MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
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};
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/*
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* struct fw_sec: Just for the image parsing proccess.
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* For the fw storage we are using struct fw_desc.
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*/
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struct fw_sec {
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const void *data; /* the sec data */
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size_t size; /* section size */
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u32 offset; /* offset of writing in the device */
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};
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static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
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{
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vfree(desc->data);
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desc->data = NULL;
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desc->len = 0;
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}
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static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
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{
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int i;
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for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
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iwl_free_fw_desc(drv, &img->sec[i]);
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}
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static void iwl_dealloc_ucode(struct iwl_drv *drv)
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{
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int i;
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for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
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iwl_free_fw_img(drv, drv->fw.img + i);
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}
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static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
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struct fw_sec *sec)
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{
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void *data;
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desc->data = NULL;
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if (!sec || !sec->size)
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return -EINVAL;
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data = vmalloc(sec->size);
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if (!data)
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return -ENOMEM;
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desc->len = sec->size;
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desc->offset = sec->offset;
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memcpy(data, sec->data, desc->len);
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desc->data = data;
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return 0;
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}
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static void iwl_req_fw_callback(const struct firmware *ucode_raw,
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void *context);
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#define UCODE_EXPERIMENTAL_INDEX 100
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#define UCODE_EXPERIMENTAL_TAG "exp"
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static int iwl_request_firmware(struct iwl_drv *drv, bool first)
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{
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const char *name_pre = drv->cfg->fw_name_pre;
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char tag[8];
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if (first) {
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#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
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drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
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strcpy(tag, UCODE_EXPERIMENTAL_TAG);
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} else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
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#endif
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drv->fw_index = drv->cfg->ucode_api_max;
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sprintf(tag, "%d", drv->fw_index);
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} else {
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drv->fw_index--;
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sprintf(tag, "%d", drv->fw_index);
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}
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if (drv->fw_index < drv->cfg->ucode_api_min) {
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IWL_ERR(drv, "no suitable firmware found!\n");
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return -ENOENT;
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}
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sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
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IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
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(drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
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? "EXPERIMENTAL " : "",
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drv->firmware_name);
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return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
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drv->trans->dev,
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GFP_KERNEL, drv, iwl_req_fw_callback);
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}
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struct fw_img_parsing {
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struct fw_sec sec[IWL_UCODE_SECTION_MAX];
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int sec_counter;
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};
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/*
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* struct fw_sec_parsing: to extract fw section and it's offset from tlv
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*/
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struct fw_sec_parsing {
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__le32 offset;
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const u8 data[];
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} __packed;
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/**
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* struct iwl_tlv_calib_data - parse the default calib data from TLV
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*
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* @ucode_type: the uCode to which the following default calib relates.
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* @calib: default calibrations.
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*/
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struct iwl_tlv_calib_data {
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__le32 ucode_type;
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struct iwl_tlv_calib_ctrl calib;
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} __packed;
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struct iwl_firmware_pieces {
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struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
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u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
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u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
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};
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/*
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* These functions are just to extract uCode section data from the pieces
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* structure.
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*/
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static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
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enum iwl_ucode_type type,
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int sec)
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{
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return &pieces->img[type].sec[sec];
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}
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static void set_sec_data(struct iwl_firmware_pieces *pieces,
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enum iwl_ucode_type type,
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int sec,
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const void *data)
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{
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pieces->img[type].sec[sec].data = data;
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}
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static void set_sec_size(struct iwl_firmware_pieces *pieces,
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enum iwl_ucode_type type,
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int sec,
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size_t size)
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{
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pieces->img[type].sec[sec].size = size;
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}
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static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
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enum iwl_ucode_type type,
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int sec)
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{
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return pieces->img[type].sec[sec].size;
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}
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static void set_sec_offset(struct iwl_firmware_pieces *pieces,
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enum iwl_ucode_type type,
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int sec,
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u32 offset)
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{
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pieces->img[type].sec[sec].offset = offset;
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}
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/*
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* Gets uCode section from tlv.
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*/
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static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
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const void *data, enum iwl_ucode_type type,
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int size)
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{
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struct fw_img_parsing *img;
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struct fw_sec *sec;
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struct fw_sec_parsing *sec_parse;
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if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
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return -1;
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sec_parse = (struct fw_sec_parsing *)data;
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img = &pieces->img[type];
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sec = &img->sec[img->sec_counter];
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sec->offset = le32_to_cpu(sec_parse->offset);
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sec->data = sec_parse->data;
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sec->size = size - sizeof(sec_parse->offset);
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++img->sec_counter;
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return 0;
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}
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static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
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{
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struct iwl_tlv_calib_data *def_calib =
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(struct iwl_tlv_calib_data *)data;
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u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
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if (ucode_type >= IWL_UCODE_TYPE_MAX) {
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IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
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ucode_type);
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return -EINVAL;
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}
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drv->fw.default_calib[ucode_type].flow_trigger =
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def_calib->calib.flow_trigger;
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drv->fw.default_calib[ucode_type].event_trigger =
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def_calib->calib.event_trigger;
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return 0;
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}
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static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
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const struct firmware *ucode_raw,
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struct iwl_firmware_pieces *pieces)
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{
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struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
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u32 api_ver, hdr_size, build;
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char buildstr[25];
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const u8 *src;
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drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
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api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
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switch (api_ver) {
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default:
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hdr_size = 28;
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if (ucode_raw->size < hdr_size) {
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IWL_ERR(drv, "File size too small!\n");
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return -EINVAL;
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}
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build = le32_to_cpu(ucode->u.v2.build);
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
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le32_to_cpu(ucode->u.v2.inst_size));
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
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le32_to_cpu(ucode->u.v2.data_size));
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
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le32_to_cpu(ucode->u.v2.init_size));
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
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le32_to_cpu(ucode->u.v2.init_data_size));
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src = ucode->u.v2.data;
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break;
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case 0:
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case 1:
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case 2:
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hdr_size = 24;
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if (ucode_raw->size < hdr_size) {
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IWL_ERR(drv, "File size too small!\n");
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return -EINVAL;
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}
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build = 0;
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
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le32_to_cpu(ucode->u.v1.inst_size));
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set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
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le32_to_cpu(ucode->u.v1.data_size));
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
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le32_to_cpu(ucode->u.v1.init_size));
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set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
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le32_to_cpu(ucode->u.v1.init_data_size));
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src = ucode->u.v1.data;
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break;
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}
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if (build)
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sprintf(buildstr, " build %u%s", build,
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(drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
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? " (EXP)" : "");
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else
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buildstr[0] = '\0';
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snprintf(drv->fw.fw_version,
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sizeof(drv->fw.fw_version),
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"%u.%u.%u.%u%s",
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IWL_UCODE_MAJOR(drv->fw.ucode_ver),
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IWL_UCODE_MINOR(drv->fw.ucode_ver),
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IWL_UCODE_API(drv->fw.ucode_ver),
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IWL_UCODE_SERIAL(drv->fw.ucode_ver),
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buildstr);
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/* Verify size of file vs. image size info in file's header */
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if (ucode_raw->size != hdr_size +
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get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
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get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
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get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
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get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
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IWL_ERR(drv,
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"uCode file size %d does not match expected size\n",
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(int)ucode_raw->size);
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return -EINVAL;
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}
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set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
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src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
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set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
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IWLAGN_RTC_INST_LOWER_BOUND);
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set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
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src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
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set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
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IWLAGN_RTC_DATA_LOWER_BOUND);
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set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
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src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
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set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
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IWLAGN_RTC_INST_LOWER_BOUND);
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set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
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src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
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set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
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IWLAGN_RTC_DATA_LOWER_BOUND);
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return 0;
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}
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|
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static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
|
|
const struct firmware *ucode_raw,
|
|
struct iwl_firmware_pieces *pieces,
|
|
struct iwl_ucode_capabilities *capa)
|
|
{
|
|
struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
|
|
struct iwl_ucode_tlv *tlv;
|
|
size_t len = ucode_raw->size;
|
|
const u8 *data;
|
|
u32 tlv_len;
|
|
enum iwl_ucode_tlv_type tlv_type;
|
|
const u8 *tlv_data;
|
|
char buildstr[25];
|
|
u32 build;
|
|
|
|
if (len < sizeof(*ucode)) {
|
|
IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
|
|
IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
|
|
le32_to_cpu(ucode->magic));
|
|
return -EINVAL;
|
|
}
|
|
|
|
drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
|
|
build = le32_to_cpu(ucode->build);
|
|
|
|
if (build)
|
|
sprintf(buildstr, " build %u%s", build,
|
|
(drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
|
|
? " (EXP)" : "");
|
|
else
|
|
buildstr[0] = '\0';
|
|
|
|
snprintf(drv->fw.fw_version,
|
|
sizeof(drv->fw.fw_version),
|
|
"%u.%u.%u.%u%s",
|
|
IWL_UCODE_MAJOR(drv->fw.ucode_ver),
|
|
IWL_UCODE_MINOR(drv->fw.ucode_ver),
|
|
IWL_UCODE_API(drv->fw.ucode_ver),
|
|
IWL_UCODE_SERIAL(drv->fw.ucode_ver),
|
|
buildstr);
|
|
|
|
data = ucode->data;
|
|
|
|
len -= sizeof(*ucode);
|
|
|
|
while (len >= sizeof(*tlv)) {
|
|
len -= sizeof(*tlv);
|
|
tlv = (void *)data;
|
|
|
|
tlv_len = le32_to_cpu(tlv->length);
|
|
tlv_type = le32_to_cpu(tlv->type);
|
|
tlv_data = tlv->data;
|
|
|
|
if (len < tlv_len) {
|
|
IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
|
|
len, tlv_len);
|
|
return -EINVAL;
|
|
}
|
|
len -= ALIGN(tlv_len, 4);
|
|
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
|
|
|
|
switch (tlv_type) {
|
|
case IWL_UCODE_TLV_INST:
|
|
set_sec_data(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_INST, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_INST, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_INST,
|
|
IWLAGN_RTC_INST_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_DATA:
|
|
set_sec_data(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA,
|
|
IWLAGN_RTC_DATA_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT:
|
|
set_sec_data(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_INST, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_INST, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_INST,
|
|
IWLAGN_RTC_INST_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_DATA:
|
|
set_sec_data(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_DATA, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_DATA, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_DATA,
|
|
IWLAGN_RTC_DATA_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_BOOT:
|
|
IWL_ERR(drv, "Found unexpected BOOT ucode\n");
|
|
break;
|
|
case IWL_UCODE_TLV_PROBE_MAX_LEN:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
capa->max_probe_length =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_PAN:
|
|
if (tlv_len)
|
|
goto invalid_tlv_len;
|
|
capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
|
|
break;
|
|
case IWL_UCODE_TLV_FLAGS:
|
|
/* must be at least one u32 */
|
|
if (tlv_len < sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
/* and a proper number of u32s */
|
|
if (tlv_len % sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
/*
|
|
* This driver only reads the first u32 as
|
|
* right now no more features are defined,
|
|
* if that changes then either the driver
|
|
* will not work with the new firmware, or
|
|
* it'll not take advantage of new features.
|
|
*/
|
|
capa->flags = le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_evtlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_evtlog_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_errlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_evtlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_evtlog_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_errlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
|
|
if (tlv_len)
|
|
goto invalid_tlv_len;
|
|
drv->fw.enhance_sensitivity_table = true;
|
|
break;
|
|
case IWL_UCODE_TLV_WOWLAN_INST:
|
|
set_sec_data(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_INST, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_INST, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_INST,
|
|
IWLAGN_RTC_INST_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_WOWLAN_DATA:
|
|
set_sec_data(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_DATA, tlv_data);
|
|
set_sec_size(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_DATA, tlv_len);
|
|
set_sec_offset(pieces, IWL_UCODE_WOWLAN,
|
|
IWL_UCODE_SECTION_DATA,
|
|
IWLAGN_RTC_DATA_LOWER_BOUND);
|
|
break;
|
|
case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
capa->standard_phy_calibration_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_SEC_RT:
|
|
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
|
|
tlv_len);
|
|
drv->fw.mvm_fw = true;
|
|
break;
|
|
case IWL_UCODE_TLV_SEC_INIT:
|
|
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
|
|
tlv_len);
|
|
drv->fw.mvm_fw = true;
|
|
break;
|
|
case IWL_UCODE_TLV_SEC_WOWLAN:
|
|
iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
|
|
tlv_len);
|
|
drv->fw.mvm_fw = true;
|
|
break;
|
|
case IWL_UCODE_TLV_DEF_CALIB:
|
|
if (tlv_len != sizeof(struct iwl_tlv_calib_data))
|
|
goto invalid_tlv_len;
|
|
if (iwl_set_default_calib(drv, tlv_data))
|
|
goto tlv_error;
|
|
break;
|
|
case IWL_UCODE_TLV_PHY_SKU:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
default:
|
|
IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (len) {
|
|
IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
|
|
iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
|
|
invalid_tlv_len:
|
|
IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
|
|
tlv_error:
|
|
iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int iwl_alloc_ucode(struct iwl_drv *drv,
|
|
struct iwl_firmware_pieces *pieces,
|
|
enum iwl_ucode_type type)
|
|
{
|
|
int i;
|
|
for (i = 0;
|
|
i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
|
|
i++)
|
|
if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
|
|
get_sec(pieces, type, i)))
|
|
return -ENOMEM;
|
|
return 0;
|
|
}
|
|
|
|
static int validate_sec_sizes(struct iwl_drv *drv,
|
|
struct iwl_firmware_pieces *pieces,
|
|
const struct iwl_cfg *cfg)
|
|
{
|
|
IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
|
|
get_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_INST));
|
|
IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
|
|
get_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA));
|
|
IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
|
|
get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
|
|
IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
|
|
get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
|
|
|
|
/* Verify that uCode images will fit in card's SRAM. */
|
|
if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
|
|
cfg->max_inst_size) {
|
|
IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
|
|
get_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_INST));
|
|
return -1;
|
|
}
|
|
|
|
if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
|
|
cfg->max_data_size) {
|
|
IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
|
|
get_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA));
|
|
return -1;
|
|
}
|
|
|
|
if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
|
|
cfg->max_inst_size) {
|
|
IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
|
|
get_sec_size(pieces, IWL_UCODE_INIT,
|
|
IWL_UCODE_SECTION_INST));
|
|
return -1;
|
|
}
|
|
|
|
if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
|
|
cfg->max_data_size) {
|
|
IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
|
|
get_sec_size(pieces, IWL_UCODE_REGULAR,
|
|
IWL_UCODE_SECTION_DATA));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct iwl_op_mode *
|
|
_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
|
|
{
|
|
const struct iwl_op_mode_ops *ops = op->ops;
|
|
struct dentry *dbgfs_dir = NULL;
|
|
struct iwl_op_mode *op_mode = NULL;
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
drv->dbgfs_op_mode = debugfs_create_dir(op->name,
|
|
drv->dbgfs_drv);
|
|
if (!drv->dbgfs_op_mode) {
|
|
IWL_ERR(drv,
|
|
"failed to create opmode debugfs directory\n");
|
|
return op_mode;
|
|
}
|
|
dbgfs_dir = drv->dbgfs_op_mode;
|
|
#endif
|
|
|
|
op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
if (!op_mode) {
|
|
debugfs_remove_recursive(drv->dbgfs_op_mode);
|
|
drv->dbgfs_op_mode = NULL;
|
|
}
|
|
#endif
|
|
|
|
return op_mode;
|
|
}
|
|
|
|
static void _iwl_op_mode_stop(struct iwl_drv *drv)
|
|
{
|
|
/* op_mode can be NULL if its start failed */
|
|
if (drv->op_mode) {
|
|
iwl_op_mode_stop(drv->op_mode);
|
|
drv->op_mode = NULL;
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
debugfs_remove_recursive(drv->dbgfs_op_mode);
|
|
drv->dbgfs_op_mode = NULL;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/**
|
|
* iwl_req_fw_callback - callback when firmware was loaded
|
|
*
|
|
* If loaded successfully, copies the firmware into buffers
|
|
* for the card to fetch (via DMA).
|
|
*/
|
|
static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
|
|
{
|
|
struct iwl_drv *drv = context;
|
|
struct iwl_fw *fw = &drv->fw;
|
|
struct iwl_ucode_header *ucode;
|
|
struct iwlwifi_opmode_table *op;
|
|
int err;
|
|
struct iwl_firmware_pieces pieces;
|
|
const unsigned int api_max = drv->cfg->ucode_api_max;
|
|
unsigned int api_ok = drv->cfg->ucode_api_ok;
|
|
const unsigned int api_min = drv->cfg->ucode_api_min;
|
|
u32 api_ver;
|
|
int i;
|
|
bool load_module = false;
|
|
|
|
fw->ucode_capa.max_probe_length = 200;
|
|
fw->ucode_capa.standard_phy_calibration_size =
|
|
IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
|
|
|
|
if (!api_ok)
|
|
api_ok = api_max;
|
|
|
|
memset(&pieces, 0, sizeof(pieces));
|
|
|
|
if (!ucode_raw) {
|
|
if (drv->fw_index <= api_ok)
|
|
IWL_ERR(drv,
|
|
"request for firmware file '%s' failed.\n",
|
|
drv->firmware_name);
|
|
goto try_again;
|
|
}
|
|
|
|
IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
|
|
drv->firmware_name, ucode_raw->size);
|
|
|
|
/* Make sure that we got at least the API version number */
|
|
if (ucode_raw->size < 4) {
|
|
IWL_ERR(drv, "File size way too small!\n");
|
|
goto try_again;
|
|
}
|
|
|
|
/* Data from ucode file: header followed by uCode images */
|
|
ucode = (struct iwl_ucode_header *)ucode_raw->data;
|
|
|
|
if (ucode->ver)
|
|
err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
|
|
else
|
|
err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
|
|
&fw->ucode_capa);
|
|
|
|
if (err)
|
|
goto try_again;
|
|
|
|
api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
|
|
|
|
/*
|
|
* api_ver should match the api version forming part of the
|
|
* firmware filename ... but we don't check for that and only rely
|
|
* on the API version read from firmware header from here on forward
|
|
*/
|
|
/* no api version check required for experimental uCode */
|
|
if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
|
|
if (api_ver < api_min || api_ver > api_max) {
|
|
IWL_ERR(drv,
|
|
"Driver unable to support your firmware API. "
|
|
"Driver supports v%u, firmware is v%u.\n",
|
|
api_max, api_ver);
|
|
goto try_again;
|
|
}
|
|
|
|
if (api_ver < api_ok) {
|
|
if (api_ok != api_max)
|
|
IWL_ERR(drv, "Firmware has old API version, "
|
|
"expected v%u through v%u, got v%u.\n",
|
|
api_ok, api_max, api_ver);
|
|
else
|
|
IWL_ERR(drv, "Firmware has old API version, "
|
|
"expected v%u, got v%u.\n",
|
|
api_max, api_ver);
|
|
IWL_ERR(drv, "New firmware can be obtained from "
|
|
"http://www.intellinuxwireless.org/.\n");
|
|
}
|
|
}
|
|
|
|
/*
|
|
* In mvm uCode there is no difference between data and instructions
|
|
* sections.
|
|
*/
|
|
if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
|
|
goto try_again;
|
|
|
|
/* Allocate ucode buffers for card's bus-master loading ... */
|
|
|
|
/* Runtime instructions and 2 copies of data:
|
|
* 1) unmodified from disk
|
|
* 2) backup cache for save/restore during power-downs */
|
|
for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
|
|
if (iwl_alloc_ucode(drv, &pieces, i))
|
|
goto out_free_fw;
|
|
|
|
/* Now that we can no longer fail, copy information */
|
|
|
|
/*
|
|
* The (size - 16) / 12 formula is based on the information recorded
|
|
* for each event, which is of mode 1 (including timestamp) for all
|
|
* new microcodes that include this information.
|
|
*/
|
|
fw->init_evtlog_ptr = pieces.init_evtlog_ptr;
|
|
if (pieces.init_evtlog_size)
|
|
fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
|
|
else
|
|
fw->init_evtlog_size =
|
|
drv->cfg->base_params->max_event_log_size;
|
|
fw->init_errlog_ptr = pieces.init_errlog_ptr;
|
|
fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
|
|
if (pieces.inst_evtlog_size)
|
|
fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
|
|
else
|
|
fw->inst_evtlog_size =
|
|
drv->cfg->base_params->max_event_log_size;
|
|
fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
|
|
|
|
/*
|
|
* figure out the offset of chain noise reset and gain commands
|
|
* base on the size of standard phy calibration commands table size
|
|
*/
|
|
if (fw->ucode_capa.standard_phy_calibration_size >
|
|
IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
|
|
fw->ucode_capa.standard_phy_calibration_size =
|
|
IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
|
|
|
|
/* We have our copies now, allow OS release its copies */
|
|
release_firmware(ucode_raw);
|
|
|
|
mutex_lock(&iwlwifi_opmode_table_mtx);
|
|
if (fw->mvm_fw)
|
|
op = &iwlwifi_opmode_table[MVM_OP_MODE];
|
|
else
|
|
op = &iwlwifi_opmode_table[DVM_OP_MODE];
|
|
|
|
IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
|
|
drv->fw.fw_version, op->name);
|
|
|
|
/* add this device to the list of devices using this op_mode */
|
|
list_add_tail(&drv->list, &op->drv);
|
|
|
|
if (op->ops) {
|
|
drv->op_mode = _iwl_op_mode_start(drv, op);
|
|
|
|
if (!drv->op_mode) {
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
goto out_unbind;
|
|
}
|
|
} else {
|
|
load_module = true;
|
|
}
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
|
|
/*
|
|
* Complete the firmware request last so that
|
|
* a driver unbind (stop) doesn't run while we
|
|
* are doing the start() above.
|
|
*/
|
|
complete(&drv->request_firmware_complete);
|
|
|
|
/*
|
|
* Load the module last so we don't block anything
|
|
* else from proceeding if the module fails to load
|
|
* or hangs loading.
|
|
*/
|
|
if (load_module) {
|
|
err = request_module("%s", op->name);
|
|
#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
|
|
if (err)
|
|
IWL_ERR(drv,
|
|
"failed to load module %s (error %d), is dynamic loading enabled?\n",
|
|
op->name, err);
|
|
#endif
|
|
}
|
|
return;
|
|
|
|
try_again:
|
|
/* try next, if any */
|
|
release_firmware(ucode_raw);
|
|
if (iwl_request_firmware(drv, false))
|
|
goto out_unbind;
|
|
return;
|
|
|
|
out_free_fw:
|
|
IWL_ERR(drv, "failed to allocate pci memory\n");
|
|
iwl_dealloc_ucode(drv);
|
|
release_firmware(ucode_raw);
|
|
out_unbind:
|
|
complete(&drv->request_firmware_complete);
|
|
device_release_driver(drv->trans->dev);
|
|
}
|
|
|
|
struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
|
|
const struct iwl_cfg *cfg)
|
|
{
|
|
struct iwl_drv *drv;
|
|
int ret;
|
|
|
|
drv = kzalloc(sizeof(*drv), GFP_KERNEL);
|
|
if (!drv)
|
|
return NULL;
|
|
|
|
drv->trans = trans;
|
|
drv->dev = trans->dev;
|
|
drv->cfg = cfg;
|
|
|
|
init_completion(&drv->request_firmware_complete);
|
|
INIT_LIST_HEAD(&drv->list);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
/* Create the device debugfs entries. */
|
|
drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
|
|
iwl_dbgfs_root);
|
|
|
|
if (!drv->dbgfs_drv) {
|
|
IWL_ERR(drv, "failed to create debugfs directory\n");
|
|
ret = -ENOMEM;
|
|
goto err_free_drv;
|
|
}
|
|
|
|
/* Create transport layer debugfs dir */
|
|
drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
|
|
|
|
if (!drv->trans->dbgfs_dir) {
|
|
IWL_ERR(drv, "failed to create transport debugfs directory\n");
|
|
ret = -ENOMEM;
|
|
goto err_free_dbgfs;
|
|
}
|
|
#endif
|
|
|
|
ret = iwl_request_firmware(drv, true);
|
|
if (ret) {
|
|
IWL_ERR(trans, "Couldn't request the fw\n");
|
|
goto err_fw;
|
|
}
|
|
|
|
return drv;
|
|
|
|
err_fw:
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
err_free_dbgfs:
|
|
debugfs_remove_recursive(drv->dbgfs_drv);
|
|
err_free_drv:
|
|
#endif
|
|
kfree(drv);
|
|
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
void iwl_drv_stop(struct iwl_drv *drv)
|
|
{
|
|
wait_for_completion(&drv->request_firmware_complete);
|
|
|
|
_iwl_op_mode_stop(drv);
|
|
|
|
iwl_dealloc_ucode(drv);
|
|
|
|
mutex_lock(&iwlwifi_opmode_table_mtx);
|
|
/*
|
|
* List is empty (this item wasn't added)
|
|
* when firmware loading failed -- in that
|
|
* case we can't remove it from any list.
|
|
*/
|
|
if (!list_empty(&drv->list))
|
|
list_del(&drv->list);
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
debugfs_remove_recursive(drv->dbgfs_drv);
|
|
#endif
|
|
|
|
kfree(drv);
|
|
}
|
|
|
|
|
|
/* shared module parameters */
|
|
struct iwl_mod_params iwlwifi_mod_params = {
|
|
.restart_fw = true,
|
|
.bt_coex_active = true,
|
|
.power_level = IWL_POWER_INDEX_1,
|
|
.wd_disable = true,
|
|
/* the rest are 0 by default */
|
|
};
|
|
IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
|
|
|
|
int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
|
|
{
|
|
int i;
|
|
struct iwl_drv *drv;
|
|
struct iwlwifi_opmode_table *op;
|
|
|
|
mutex_lock(&iwlwifi_opmode_table_mtx);
|
|
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
|
|
op = &iwlwifi_opmode_table[i];
|
|
if (strcmp(op->name, name))
|
|
continue;
|
|
op->ops = ops;
|
|
/* TODO: need to handle exceptional case */
|
|
list_for_each_entry(drv, &op->drv, list)
|
|
drv->op_mode = _iwl_op_mode_start(drv, op);
|
|
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
return 0;
|
|
}
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
return -EIO;
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_opmode_register);
|
|
|
|
void iwl_opmode_deregister(const char *name)
|
|
{
|
|
int i;
|
|
struct iwl_drv *drv;
|
|
|
|
mutex_lock(&iwlwifi_opmode_table_mtx);
|
|
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
|
|
if (strcmp(iwlwifi_opmode_table[i].name, name))
|
|
continue;
|
|
iwlwifi_opmode_table[i].ops = NULL;
|
|
|
|
/* call the stop routine for all devices */
|
|
list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
|
|
_iwl_op_mode_stop(drv);
|
|
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
return;
|
|
}
|
|
mutex_unlock(&iwlwifi_opmode_table_mtx);
|
|
}
|
|
IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
|
|
|
|
static int __init iwl_drv_init(void)
|
|
{
|
|
int i;
|
|
|
|
mutex_init(&iwlwifi_opmode_table_mtx);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
|
|
INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
|
|
|
|
pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
|
|
pr_info(DRV_COPYRIGHT "\n");
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
/* Create the root of iwlwifi debugfs subsystem. */
|
|
iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
|
|
|
|
if (!iwl_dbgfs_root)
|
|
return -EFAULT;
|
|
#endif
|
|
|
|
return iwl_pci_register_driver();
|
|
}
|
|
module_init(iwl_drv_init);
|
|
|
|
static void __exit iwl_drv_exit(void)
|
|
{
|
|
iwl_pci_unregister_driver();
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
debugfs_remove_recursive(iwl_dbgfs_root);
|
|
#endif
|
|
}
|
|
module_exit(iwl_drv_exit);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUG
|
|
module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
|
|
S_IRUGO | S_IWUSR);
|
|
MODULE_PARM_DESC(debug, "debug output mask");
|
|
#endif
|
|
|
|
module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
|
|
MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
|
|
module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
|
|
MODULE_PARM_DESC(11n_disable,
|
|
"disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
|
|
module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
|
|
module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
|
|
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
|
|
|
|
module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(antenna_coupling,
|
|
"specify antenna coupling in dB (defualt: 0 dB)");
|
|
|
|
module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
|
|
MODULE_PARM_DESC(wd_disable,
|
|
"Disable stuck queue watchdog timer 0=system default, "
|
|
"1=disable, 2=enable (default: 0)");
|
|
|
|
module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
|
|
MODULE_PARM_DESC(nvm_file, "NVM file name");
|
|
|
|
/*
|
|
* set bt_coex_active to true, uCode will do kill/defer
|
|
* every time the priority line is asserted (BT is sending signals on the
|
|
* priority line in the PCIx).
|
|
* set bt_coex_active to false, uCode will ignore the BT activity and
|
|
* perform the normal operation
|
|
*
|
|
* User might experience transmit issue on some platform due to WiFi/BT
|
|
* co-exist problem. The possible behaviors are:
|
|
* Able to scan and finding all the available AP
|
|
* Not able to associate with any AP
|
|
* On those platforms, WiFi communication can be restored by set
|
|
* "bt_coex_active" module parameter to "false"
|
|
*
|
|
* default: bt_coex_active = true (BT_COEX_ENABLE)
|
|
*/
|
|
module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
|
|
|
|
module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
|
|
MODULE_PARM_DESC(led_mode, "0=system default, "
|
|
"1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
|
|
|
|
module_param_named(power_save, iwlwifi_mod_params.power_save,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(power_save,
|
|
"enable WiFi power management (default: disable)");
|
|
|
|
module_param_named(power_level, iwlwifi_mod_params.power_level,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(power_level,
|
|
"default power save level (range from 1 - 5, default: 1)");
|