Commit 56e7a8cc authored by Stanislaw Gruszka's avatar Stanislaw Gruszka

iwlegacy: merge iwl-4965-eeprom.c into 4965.c

Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
parent ecce1f09
...@@ -47,6 +47,80 @@ ...@@ -47,6 +47,80 @@
#include "iwl-4965.h" #include "iwl-4965.h"
#include "iwl-4965-debugfs.h" #include "iwl-4965-debugfs.h"
/******************************************************************************
*
* EEPROM related functions
*
******************************************************************************/
/*
* The device's EEPROM semaphore prevents conflicts between driver and uCode
* when accessing the EEPROM; each access is a series of pulses to/from the
* EEPROM chip, not a single event, so even reads could conflict if they
* weren't arbitrated by the semaphore.
*/
int il4965_eeprom_acquire_semaphore(struct il_priv *il)
{
u16 count;
int ret;
for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
/* Request semaphore */
il_set_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
/* See if we got it */
ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
EEPROM_SEM_TIMEOUT);
if (ret >= 0)
return ret;
}
return ret;
}
void il4965_eeprom_release_semaphore(struct il_priv *il)
{
il_clear_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
}
int il4965_eeprom_check_version(struct il_priv *il)
{
u16 eeprom_ver;
u16 calib_ver;
eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
calib_ver = il_eeprom_query16(il,
EEPROM_4965_CALIB_VERSION_OFFSET);
if (eeprom_ver < il->cfg->eeprom_ver ||
calib_ver < il->cfg->eeprom_calib_ver)
goto err;
IL_INFO("device EEPROM VER=0x%x, CALIB=0x%x\n",
eeprom_ver, calib_ver);
return 0;
err:
IL_ERR("Unsupported (too old) EEPROM VER=0x%x < 0x%x "
"CALIB=0x%x < 0x%x\n",
eeprom_ver, il->cfg->eeprom_ver,
calib_ver, il->cfg->eeprom_calib_ver);
return -EINVAL;
}
void il4965_eeprom_get_mac(const struct il_priv *il, u8 *mac)
{
const u8 *addr = il_eeprom_query_addr(il,
EEPROM_MAC_ADDRESS);
memcpy(mac, addr, ETH_ALEN);
}
/* Send led command */ /* Send led command */
static int static int
il4965_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd) il4965_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd)
......
...@@ -11,7 +11,7 @@ obj-$(CONFIG_IWL4965) += iwl4965.o ...@@ -11,7 +11,7 @@ obj-$(CONFIG_IWL4965) += iwl4965.o
iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o
iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o
iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o
iwl4965-objs += iwl-4965-sta.o iwl-4965-eeprom.o iwl4965-objs += iwl-4965-sta.o
iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o
# 3945 # 3945
......
/******************************************************************************
*
* 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 - 2011 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 - 2011 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.
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <net/mac80211.h>
#include "iwl-commands.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-debug.h"
#include "iwl-4965.h"
#include "iwl-io.h"
/******************************************************************************
*
* EEPROM related functions
*
******************************************************************************/
/*
* The device's EEPROM semaphore prevents conflicts between driver and uCode
* when accessing the EEPROM; each access is a series of pulses to/from the
* EEPROM chip, not a single event, so even reads could conflict if they
* weren't arbitrated by the semaphore.
*/
int il4965_eeprom_acquire_semaphore(struct il_priv *il)
{
u16 count;
int ret;
for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
/* Request semaphore */
il_set_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
/* See if we got it */
ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
EEPROM_SEM_TIMEOUT);
if (ret >= 0)
return ret;
}
return ret;
}
void il4965_eeprom_release_semaphore(struct il_priv *il)
{
il_clear_bit(il, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
}
int il4965_eeprom_check_version(struct il_priv *il)
{
u16 eeprom_ver;
u16 calib_ver;
eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
calib_ver = il_eeprom_query16(il,
EEPROM_4965_CALIB_VERSION_OFFSET);
if (eeprom_ver < il->cfg->eeprom_ver ||
calib_ver < il->cfg->eeprom_calib_ver)
goto err;
IL_INFO("device EEPROM VER=0x%x, CALIB=0x%x\n",
eeprom_ver, calib_ver);
return 0;
err:
IL_ERR("Unsupported (too old) EEPROM VER=0x%x < 0x%x "
"CALIB=0x%x < 0x%x\n",
eeprom_ver, il->cfg->eeprom_ver,
calib_ver, il->cfg->eeprom_calib_ver);
return -EINVAL;
}
void il4965_eeprom_get_mac(const struct il_priv *il, u8 *mac)
{
const u8 *addr = il_eeprom_query_addr(il,
EEPROM_MAC_ADDRESS);
memcpy(mac, addr, ETH_ALEN);
}
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