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-rw-r--r--drivers/net/wireless/iwlegacy/4965.c74
-rw-r--r--drivers/net/wireless/iwlegacy/Makefile2
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-4965-eeprom.c150
3 files changed, 75 insertions, 151 deletions
diff --git a/drivers/net/wireless/iwlegacy/4965.c b/drivers/net/wireless/iwlegacy/4965.c
index 8f68b94fd74b..a4b42cc4c4c7 100644
--- a/drivers/net/wireless/iwlegacy/4965.c
+++ b/drivers/net/wireless/iwlegacy/4965.c
@@ -47,6 +47,80 @@
47#include "iwl-4965.h" 47#include "iwl-4965.h"
48#include "iwl-4965-debugfs.h" 48#include "iwl-4965-debugfs.h"
49 49
50/******************************************************************************
51 *
52 * EEPROM related functions
53 *
54******************************************************************************/
55
56/*
57 * The device's EEPROM semaphore prevents conflicts between driver and uCode
58 * when accessing the EEPROM; each access is a series of pulses to/from the
59 * EEPROM chip, not a single event, so even reads could conflict if they
60 * weren't arbitrated by the semaphore.
61 */
62int il4965_eeprom_acquire_semaphore(struct il_priv *il)
63{
64 u16 count;
65 int ret;
66
67 for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
68 /* Request semaphore */
69 il_set_bit(il, CSR_HW_IF_CONFIG_REG,
70 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
71
72 /* See if we got it */
73 ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
74 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
75 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
76 EEPROM_SEM_TIMEOUT);
77 if (ret >= 0)
78 return ret;
79 }
80
81 return ret;
82}
83
84void il4965_eeprom_release_semaphore(struct il_priv *il)
85{
86 il_clear_bit(il, CSR_HW_IF_CONFIG_REG,
87 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
88
89}
90
91int il4965_eeprom_check_version(struct il_priv *il)
92{
93 u16 eeprom_ver;
94 u16 calib_ver;
95
96 eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
97 calib_ver = il_eeprom_query16(il,
98 EEPROM_4965_CALIB_VERSION_OFFSET);
99
100 if (eeprom_ver < il->cfg->eeprom_ver ||
101 calib_ver < il->cfg->eeprom_calib_ver)
102 goto err;
103
104 IL_INFO("device EEPROM VER=0x%x, CALIB=0x%x\n",
105 eeprom_ver, calib_ver);
106
107 return 0;
108err:
109 IL_ERR("Unsupported (too old) EEPROM VER=0x%x < 0x%x "
110 "CALIB=0x%x < 0x%x\n",
111 eeprom_ver, il->cfg->eeprom_ver,
112 calib_ver, il->cfg->eeprom_calib_ver);
113 return -EINVAL;
114
115}
116
117void il4965_eeprom_get_mac(const struct il_priv *il, u8 *mac)
118{
119 const u8 *addr = il_eeprom_query_addr(il,
120 EEPROM_MAC_ADDRESS);
121 memcpy(mac, addr, ETH_ALEN);
122}
123
50/* Send led command */ 124/* Send led command */
51static int 125static int
52il4965_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd) 126il4965_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd)
diff --git a/drivers/net/wireless/iwlegacy/Makefile b/drivers/net/wireless/iwlegacy/Makefile
index da83c69458bf..2776845be8d9 100644
--- a/drivers/net/wireless/iwlegacy/Makefile
+++ b/drivers/net/wireless/iwlegacy/Makefile
@@ -11,7 +11,7 @@ obj-$(CONFIG_IWL4965) += iwl4965.o
11iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o 11iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o
12iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o 12iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o
13iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o 13iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o
14iwl4965-objs += iwl-4965-sta.o iwl-4965-eeprom.o 14iwl4965-objs += iwl-4965-sta.o
15iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o 15iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o
16 16
17# 3945 17# 3945
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-eeprom.c b/drivers/net/wireless/iwlegacy/iwl-4965-eeprom.c
deleted file mode 100644
index a5192570d093..000000000000
--- a/drivers/net/wireless/iwlegacy/iwl-4965-eeprom.c
+++ /dev/null
@@ -1,150 +0,0 @@
1/******************************************************************************
2 *
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
5 *
6 * GPL LICENSE SUMMARY
7 *
8 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
62
63
64#include <linux/kernel.h>
65#include <linux/module.h>
66#include <linux/slab.h>
67#include <linux/init.h>
68
69#include <net/mac80211.h>
70
71#include "iwl-commands.h"
72#include "iwl-dev.h"
73#include "iwl-core.h"
74#include "iwl-debug.h"
75#include "iwl-4965.h"
76#include "iwl-io.h"
77
78/******************************************************************************
79 *
80 * EEPROM related functions
81 *
82******************************************************************************/
83
84/*
85 * The device's EEPROM semaphore prevents conflicts between driver and uCode
86 * when accessing the EEPROM; each access is a series of pulses to/from the
87 * EEPROM chip, not a single event, so even reads could conflict if they
88 * weren't arbitrated by the semaphore.
89 */
90int il4965_eeprom_acquire_semaphore(struct il_priv *il)
91{
92 u16 count;
93 int ret;
94
95 for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {
96 /* Request semaphore */
97 il_set_bit(il, CSR_HW_IF_CONFIG_REG,
98 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
99
100 /* See if we got it */
101 ret = _il_poll_bit(il, CSR_HW_IF_CONFIG_REG,
102 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
103 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,
104 EEPROM_SEM_TIMEOUT);
105 if (ret >= 0)
106 return ret;
107 }
108
109 return ret;
110}
111
112void il4965_eeprom_release_semaphore(struct il_priv *il)
113{
114 il_clear_bit(il, CSR_HW_IF_CONFIG_REG,
115 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);
116
117}
118
119int il4965_eeprom_check_version(struct il_priv *il)
120{
121 u16 eeprom_ver;
122 u16 calib_ver;
123
124 eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
125 calib_ver = il_eeprom_query16(il,
126 EEPROM_4965_CALIB_VERSION_OFFSET);
127
128 if (eeprom_ver < il->cfg->eeprom_ver ||
129 calib_ver < il->cfg->eeprom_calib_ver)
130 goto err;
131
132 IL_INFO("device EEPROM VER=0x%x, CALIB=0x%x\n",
133 eeprom_ver, calib_ver);
134
135 return 0;
136err:
137 IL_ERR("Unsupported (too old) EEPROM VER=0x%x < 0x%x "
138 "CALIB=0x%x < 0x%x\n",
139 eeprom_ver, il->cfg->eeprom_ver,
140 calib_ver, il->cfg->eeprom_calib_ver);
141 return -EINVAL;
142
143}
144
145void il4965_eeprom_get_mac(const struct il_priv *il, u8 *mac)
146{
147 const u8 *addr = il_eeprom_query_addr(il,
148 EEPROM_MAC_ADDRESS);
149 memcpy(mac, addr, ETH_ALEN);
150}