diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/iwlegacy/4965.c | 74 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-4965-eeprom.c | 150 |
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 | */ | ||
62 | int 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 | |||
84 | void 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 | |||
91 | int 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; | ||
108 | err: | ||
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 | |||
117 | void 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 */ |
51 | static int | 125 | static int |
52 | il4965_send_led_cmd(struct il_priv *il, struct il_led_cmd *led_cmd) | 126 | il4965_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-$(CONFIG_IWL4965) += iwl4965.o | |||
11 | iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o | 11 | iwl4965-objs := 4965.o 4965-mac.o iwl-4965-rs.o |
12 | iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o | 12 | iwl4965-objs += iwl-4965-ucode.o iwl-4965-tx.o |
13 | iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o | 13 | iwl4965-objs += iwl-4965-lib.o iwl-4965-rx.o iwl-4965-calib.o |
14 | iwl4965-objs += iwl-4965-sta.o iwl-4965-eeprom.o | 14 | iwl4965-objs += iwl-4965-sta.o |
15 | iwl4965-$(CONFIG_IWLEGACY_DEBUGFS) += iwl-4965-debugfs.o | 15 | iwl4965-$(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 | */ | ||
90 | int 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 | |||
112 | void 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 | |||
119 | int 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; | ||
136 | err: | ||
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 | |||
145 | void 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 | } | ||