iwl-fw.h 6.1 KB
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/******************************************************************************
 *
 * 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) 2008 - 2012 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.GPL.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
 * 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.
 *****************************************************************************/

#ifndef __iwl_fw_h__
#define __iwl_fw_h__
#include <linux/types.h>

/**
 * enum iwl_ucode_tlv_flag - ucode API flags
 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
 *	was a separate TLV but moved here to save space.
 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
 *	treats good CRC threshold as a boolean
 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
 */
enum iwl_ucode_tlv_flag {
	IWL_UCODE_TLV_FLAGS_PAN		= BIT(0),
	IWL_UCODE_TLV_FLAGS_NEWSCAN	= BIT(1),
	IWL_UCODE_TLV_FLAGS_MFP		= BIT(2),
	IWL_UCODE_TLV_FLAGS_P2P		= BIT(3),
};

/* The default calibrate table size if not specified by firmware file */
#define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE	18
#define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE		19
#define IWL_MAX_PHY_CALIBRATE_TBL_SIZE			253

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/**
 * enum iwl_ucode_type
 *
 * The type of ucode.
 *
 * @IWL_UCODE_REGULAR: Normal runtime ucode
 * @IWL_UCODE_INIT: Initial ucode
 * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
 */
enum iwl_ucode_type {
	IWL_UCODE_REGULAR,
	IWL_UCODE_INIT,
	IWL_UCODE_WOWLAN,
	IWL_UCODE_TYPE_MAX,
};

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/*
 * enumeration of ucode section.
 * This enumeration is used for legacy tlv style (before 16.0 uCode).
 */
enum iwl_ucode_sec {
	IWL_UCODE_SECTION_INST,
	IWL_UCODE_SECTION_DATA,
};
/*
 * For 16.0 uCode and above, there is no differentiation between sections,
 * just an offset to the HW address.
 */
#define IWL_UCODE_SECTION_MAX 4

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struct iwl_ucode_capabilities {
	u32 max_probe_length;
	u32 standard_phy_calibration_size;
	u32 flags;
};

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/* one for each uCode image (inst/data, init/runtime/wowlan) */
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struct fw_desc {
	dma_addr_t p_addr;	/* hardware address */
	void *v_addr;		/* software address */
	u32 len;		/* size in bytes */
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	u32 offset;		/* offset in the device */
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};

struct fw_img {
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	struct fw_desc sec[IWL_UCODE_SECTION_MAX];
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};

/* uCode version contains 4 values: Major/Minor/API/Serial */
#define IWL_UCODE_MAJOR(ver)	(((ver) & 0xFF000000) >> 24)
#define IWL_UCODE_MINOR(ver)	(((ver) & 0x00FF0000) >> 16)
#define IWL_UCODE_API(ver)	(((ver) & 0x0000FF00) >> 8)
#define IWL_UCODE_SERIAL(ver)	((ver) & 0x000000FF)

/**
 * struct iwl_fw - variables associated with the firmware
 *
 * @ucode_ver: ucode version from the ucode file
 * @fw_version: firmware version string
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 * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
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 * @ucode_capa: capabilities parsed from the ucode file.
 * @enhance_sensitivity_table: device can do enhanced sensitivity.
 * @init_evtlog_ptr: event log offset for init ucode.
 * @init_evtlog_size: event log size for init ucode.
 * @init_errlog_ptr: error log offfset for init ucode.
 * @inst_evtlog_ptr: event log offset for runtime ucode.
 * @inst_evtlog_size: event log size for runtime ucode.
 * @inst_errlog_ptr: error log offfset for runtime ucode.
 */
struct iwl_fw {
	u32 ucode_ver;

	char fw_version[ETHTOOL_BUSINFO_LEN];

	/* ucode images */
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	struct fw_img img[IWL_UCODE_TYPE_MAX];
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	struct iwl_ucode_capabilities ucode_capa;
	bool enhance_sensitivity_table;

	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
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	u64 default_calib[IWL_UCODE_TYPE_MAX];
	u32 phy_config;
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};

#endif  /* __iwl_fw_h__ */