linux_kernel/drivers/net/wireless/iwlwifi/iwl-7000.c

/******************************************************************************
 *
 * 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) 2012 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
 *
 * 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 COPYING.
 *
 * 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) 2012 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
 * 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/module.h>
#include <linux/stringify.h>
#include "iwl-config.h"
#include "iwl-agn-hw.h"

/* Highest firmware API version supported */
#define IWL7260_UCODE_API_MAX	13

/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK	12
#define IWL3165_UCODE_API_OK	13

/* Lowest firmware API version supported */
#define IWL7260_UCODE_API_MIN	10
#define IWL3165_UCODE_API_MIN	13

/* NVM versions */
#define IWL7260_NVM_VERSION		0x0a1d
#define IWL7260_TX_POWER_VERSION	0xffff /* meaningless */
#define IWL3160_NVM_VERSION		0x709
#define IWL3160_TX_POWER_VERSION	0xffff /* meaningless */
#define IWL3165_NVM_VERSION		0x709
#define IWL3165_TX_POWER_VERSION	0xffff /* meaningless */
#define IWL7265_NVM_VERSION		0x0a1d
#define IWL7265_TX_POWER_VERSION	0xffff /* meaningless */
#define IWL7265D_NVM_VERSION		0x0c11
#define IWL7265_TX_POWER_VERSION	0xffff /* meaningless */

/* DCCM offsets and lengths */
#define IWL7000_DCCM_OFFSET		0x800000
#define IWL7260_DCCM_LEN		0x14000
#define IWL3160_DCCM_LEN		0x10000
#define IWL7265_DCCM_LEN		0x17A00

#define IWL7260_FW_PRE "iwlwifi-7260-"
#define IWL7260_MODULE_FIRMWARE(api) IWL7260_FW_PRE __stringify(api) ".ucode"

#define IWL3160_FW_PRE "iwlwifi-3160-"
#define IWL3160_MODULE_FIRMWARE(api) IWL3160_FW_PRE __stringify(api) ".ucode"

#define IWL7265_FW_PRE "iwlwifi-7265-"
#define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"

#define IWL7265D_FW_PRE "iwlwifi-7265D-"
#define IWL7265D_MODULE_FIRMWARE(api) IWL7265D_FW_PRE __stringify(api) ".ucode"

#define NVM_HW_SECTION_NUM_FAMILY_7000		0

static const struct iwl_base_params iwl7000_base_params = {
	.eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_7000,
	.num_of_queues = IWLAGN_NUM_QUEUES,
	.pll_cfg_val = 0,
	.shadow_ram_support = true,
	.led_compensation = 57,
	.wd_timeout = IWL_LONG_WD_TIMEOUT,
	.max_event_log_size = 512,
	.shadow_reg_enable = true,
	.pcie_l1_allowed = true,
	.apmg_wake_up_wa = true,
};

static const struct iwl_ht_params iwl7000_ht_params = {
	.stbc = true,
	.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
};

#define IWL_DEVICE_7000						\
	.ucode_api_max = IWL7260_UCODE_API_MAX,			\
	.ucode_api_ok = IWL7260_UCODE_API_OK,			\
	.ucode_api_min = IWL7260_UCODE_API_MIN,			\
	.device_family = IWL_DEVICE_FAMILY_7000,		\
	.max_inst_size = IWL60_RTC_INST_SIZE,			\
	.max_data_size = IWL60_RTC_DATA_SIZE,			\
	.base_params = &iwl7000_base_params,			\
	.led_mode = IWL_LED_RF_STATE,				\
	.nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_7000,	\
	.non_shared_ant = ANT_A,				\
	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,	\
	.dccm_offset = IWL7000_DCCM_OFFSET

const struct iwl_cfg iwl7260_2ac_cfg = {
	.name = "Intel(R) Dual Band Wireless AC 7260",
	.fw_name_pre = IWL7260_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL7260_NVM_VERSION,
	.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.lp_xtal_workaround = true,
	.dccm_len = IWL7260_DCCM_LEN,
};

const struct iwl_cfg iwl7260_2ac_cfg_high_temp = {
	.name = "Intel(R) Dual Band Wireless AC 7260",
	.fw_name_pre = IWL7260_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL7260_NVM_VERSION,
	.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
	.high_temp = true,
	.host_interrupt_operation_mode = true,
	.lp_xtal_workaround = true,
	.dccm_len = IWL7260_DCCM_LEN,
};

const struct iwl_cfg iwl7260_2n_cfg = {
	.name = "Intel(R) Dual Band Wireless N 7260",
	.fw_name_pre = IWL7260_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL7260_NVM_VERSION,
	.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.lp_xtal_workaround = true,
	.dccm_len = IWL7260_DCCM_LEN,
};

const struct iwl_cfg iwl7260_n_cfg = {
	.name = "Intel(R) Wireless N 7260",
	.fw_name_pre = IWL7260_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL7260_NVM_VERSION,
	.nvm_calib_ver = IWL7260_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.lp_xtal_workaround = true,
	.dccm_len = IWL7260_DCCM_LEN,
};

const struct iwl_cfg iwl3160_2ac_cfg = {
	.name = "Intel(R) Dual Band Wireless AC 3160",
	.fw_name_pre = IWL3160_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL3160_NVM_VERSION,
	.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.dccm_len = IWL3160_DCCM_LEN,
};

const struct iwl_cfg iwl3160_2n_cfg = {
	.name = "Intel(R) Dual Band Wireless N 3160",
	.fw_name_pre = IWL3160_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL3160_NVM_VERSION,
	.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.dccm_len = IWL3160_DCCM_LEN,
};

const struct iwl_cfg iwl3160_n_cfg = {
	.name = "Intel(R) Wireless N 3160",
	.fw_name_pre = IWL3160_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL3160_NVM_VERSION,
	.nvm_calib_ver = IWL3160_TX_POWER_VERSION,
	.host_interrupt_operation_mode = true,
	.dccm_len = IWL3160_DCCM_LEN,
};

static const struct iwl_pwr_tx_backoff iwl7265_pwr_tx_backoffs[] = {
	{.pwr = 1600, .backoff = 0},
	{.pwr = 1300, .backoff = 467},
	{.pwr = 900,  .backoff = 1900},
	{.pwr = 800, .backoff = 2630},
	{.pwr = 700, .backoff = 3720},
	{.pwr = 600, .backoff = 5550},
	{.pwr = 500, .backoff = 9350},
	{0},
};

static const struct iwl_ht_params iwl7265_ht_params = {
	.stbc = true,
	.ldpc = true,
	.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
};

const struct iwl_cfg iwl3165_2ac_cfg = {
	.name = "Intel(R) Dual Band Wireless AC 3165",
	.fw_name_pre = IWL7265D_FW_PRE,
	IWL_DEVICE_7000,
	/* sparse doens't like the re-assignment but it is safe */
#ifndef __CHECKER__
	.ucode_api_ok = IWL3165_UCODE_API_OK,
	.ucode_api_min = IWL3165_UCODE_API_MIN,
#endif
	.ht_params = &iwl7000_ht_params,
	.nvm_ver = IWL3165_NVM_VERSION,
	.nvm_calib_ver = IWL3165_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265_2ac_cfg = {
	.name = "Intel(R) Dual Band Wireless AC 7265",
	.fw_name_pre = IWL7265_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265_2n_cfg = {
	.name = "Intel(R) Dual Band Wireless N 7265",
	.fw_name_pre = IWL7265_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265_n_cfg = {
	.name = "Intel(R) Wireless N 7265",
	.fw_name_pre = IWL7265_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265d_2ac_cfg = {
	.name = "Intel(R) Dual Band Wireless AC 7265",
	.fw_name_pre = IWL7265D_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265D_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265d_2n_cfg = {
	.name = "Intel(R) Dual Band Wireless N 7265",
	.fw_name_pre = IWL7265D_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265D_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

const struct iwl_cfg iwl7265d_n_cfg = {
	.name = "Intel(R) Wireless N 7265",
	.fw_name_pre = IWL7265D_FW_PRE,
	IWL_DEVICE_7000,
	.ht_params = &iwl7265_ht_params,
	.nvm_ver = IWL7265D_NVM_VERSION,
	.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
	.pwr_tx_backoffs = iwl7265_pwr_tx_backoffs,
	.dccm_len = IWL7265_DCCM_LEN,
};

MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL3160_UCODE_API_OK));
MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));