Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 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 | * |
Emmanuel Grumbach | 51368bf | 2013-12-30 13:15:54 +0200 | [diff] [blame] | 8 | * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. |
Johannes Berg | 8b4139d | 2014-07-24 14:05:26 +0200 | [diff] [blame^] | 9 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of version 2 of the GNU General Public License as |
| 13 | * published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, |
| 23 | * USA |
| 24 | * |
| 25 | * The full GNU General Public License is included in this distribution |
Emmanuel Grumbach | 410dc5a | 2013-02-18 09:22:28 +0200 | [diff] [blame] | 26 | * in the file called COPYING. |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 27 | * |
| 28 | * Contact Information: |
| 29 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 31 | * |
| 32 | * BSD LICENSE |
| 33 | * |
Emmanuel Grumbach | 51368bf | 2013-12-30 13:15:54 +0200 | [diff] [blame] | 34 | * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. |
Johannes Berg | 8b4139d | 2014-07-24 14:05:26 +0200 | [diff] [blame^] | 35 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 36 | * All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * |
| 42 | * * Redistributions of source code must retain the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer. |
| 44 | * * Redistributions in binary form must reproduce the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer in |
| 46 | * the documentation and/or other materials provided with the |
| 47 | * distribution. |
| 48 | * * Neither the name Intel Corporation nor the names of its |
| 49 | * contributors may be used to endorse or promote products derived |
| 50 | * from this software without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 63 | * |
| 64 | *****************************************************************************/ |
| 65 | #include <linux/completion.h> |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 66 | #include <linux/dma-mapping.h> |
| 67 | #include <linux/firmware.h> |
| 68 | #include <linux/module.h> |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 69 | #include <linux/vmalloc.h> |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 70 | |
| 71 | #include "iwl-drv.h" |
Emmanuel Grumbach | c15797e | 2012-04-19 10:29:58 +0300 | [diff] [blame] | 72 | #include "iwl-debug.h" |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 73 | #include "iwl-trans.h" |
Emmanuel Grumbach | d0f76d6 | 2012-02-09 16:08:15 +0200 | [diff] [blame] | 74 | #include "iwl-op-mode.h" |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 75 | #include "iwl-agn-hw.h" |
Johannes Berg | 6238b00 | 2012-04-02 15:04:33 +0200 | [diff] [blame] | 76 | #include "iwl-fw.h" |
| 77 | #include "iwl-config.h" |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 78 | #include "iwl-modparams.h" |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 79 | |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 80 | /* private includes */ |
Johannes Berg | 3995dea | 2012-03-06 13:30:44 -0800 | [diff] [blame] | 81 | #include "iwl-fw-file.h" |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 82 | |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 83 | /****************************************************************************** |
| 84 | * |
| 85 | * module boiler plate |
| 86 | * |
| 87 | ******************************************************************************/ |
| 88 | |
| 89 | /* |
| 90 | * module name, copyright, version, etc. |
| 91 | */ |
| 92 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" |
| 93 | |
| 94 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 95 | #define VD "d" |
| 96 | #else |
| 97 | #define VD |
| 98 | #endif |
| 99 | |
| 100 | #define DRV_VERSION IWLWIFI_VERSION VD |
| 101 | |
| 102 | MODULE_DESCRIPTION(DRV_DESCRIPTION); |
| 103 | MODULE_VERSION(DRV_VERSION); |
| 104 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); |
| 105 | MODULE_LICENSE("GPL"); |
| 106 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 107 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 108 | static struct dentry *iwl_dbgfs_root; |
| 109 | #endif |
| 110 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 111 | /** |
| 112 | * struct iwl_drv - drv common data |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 113 | * @list: list of drv structures using this opmode |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 114 | * @fw: the iwl_fw structure |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 115 | * @op_mode: the running op_mode |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 116 | * @trans: transport layer |
Emmanuel Grumbach | 4b9844f | 2012-03-22 23:59:52 +0200 | [diff] [blame] | 117 | * @dev: for debug prints only |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 118 | * @cfg: configuration struct |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 119 | * @fw_index: firmware revision to try loading |
| 120 | * @firmware_name: composite filename of ucode file to load |
| 121 | * @request_firmware_complete: the firmware has been obtained from user space |
| 122 | */ |
| 123 | struct iwl_drv { |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 124 | struct list_head list; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 125 | struct iwl_fw fw; |
| 126 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 127 | struct iwl_op_mode *op_mode; |
Emmanuel Grumbach | 9130bab | 2012-03-26 08:51:09 -0700 | [diff] [blame] | 128 | struct iwl_trans *trans; |
Emmanuel Grumbach | 4b9844f | 2012-03-22 23:59:52 +0200 | [diff] [blame] | 129 | struct device *dev; |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 130 | const struct iwl_cfg *cfg; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 131 | |
| 132 | int fw_index; /* firmware we're trying to load */ |
Liad Kaufman | 84b0312 | 2014-01-27 16:34:23 +0200 | [diff] [blame] | 133 | char firmware_name[32]; /* name of firmware file to load */ |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 134 | |
| 135 | struct completion request_firmware_complete; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 136 | |
| 137 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 138 | struct dentry *dbgfs_drv; |
| 139 | struct dentry *dbgfs_trans; |
| 140 | struct dentry *dbgfs_op_mode; |
| 141 | #endif |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 142 | }; |
| 143 | |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 144 | enum { |
| 145 | DVM_OP_MODE = 0, |
| 146 | MVM_OP_MODE = 1, |
| 147 | }; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 148 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 149 | /* Protects the table contents, i.e. the ops pointer & drv list */ |
| 150 | static struct mutex iwlwifi_opmode_table_mtx; |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 151 | static struct iwlwifi_opmode_table { |
| 152 | const char *name; /* name: iwldvm, iwlmvm, etc */ |
| 153 | const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ |
| 154 | struct list_head drv; /* list of devices using this op_mode */ |
| 155 | } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 156 | [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, |
| 157 | [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 158 | }; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 159 | |
David Spinadel | 762533b | 2014-06-05 11:20:43 +0300 | [diff] [blame] | 160 | #define IWL_DEFAULT_SCAN_CHANNELS 40 |
| 161 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 162 | /* |
| 163 | * struct fw_sec: Just for the image parsing proccess. |
| 164 | * For the fw storage we are using struct fw_desc. |
| 165 | */ |
| 166 | struct fw_sec { |
| 167 | const void *data; /* the sec data */ |
| 168 | size_t size; /* section size */ |
| 169 | u32 offset; /* offset of writing in the device */ |
| 170 | }; |
| 171 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 172 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 173 | { |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 174 | vfree(desc->data); |
| 175 | desc->data = NULL; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 176 | desc->len = 0; |
| 177 | } |
| 178 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 179 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 180 | { |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 181 | int i; |
| 182 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) |
| 183 | iwl_free_fw_desc(drv, &img->sec[i]); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 184 | } |
| 185 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 186 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 187 | { |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 188 | int i; |
| 189 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
| 190 | iwl_free_fw_img(drv, drv->fw.img + i); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 191 | } |
| 192 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 193 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 194 | struct fw_sec *sec) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 195 | { |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 196 | void *data; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 197 | |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 198 | desc->data = NULL; |
| 199 | |
| 200 | if (!sec || !sec->size) |
| 201 | return -EINVAL; |
| 202 | |
| 203 | data = vmalloc(sec->size); |
| 204 | if (!data) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 205 | return -ENOMEM; |
| 206 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 207 | desc->len = sec->size; |
| 208 | desc->offset = sec->offset; |
Johannes Berg | 83f84d7 | 2012-09-10 11:50:18 +0200 | [diff] [blame] | 209 | memcpy(data, sec->data, desc->len); |
| 210 | desc->data = data; |
| 211 | |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 212 | return 0; |
| 213 | } |
| 214 | |
Emmanuel Grumbach | 1c8e11e | 2012-07-16 12:31:28 +0300 | [diff] [blame] | 215 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
| 216 | void *context); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 217 | |
| 218 | #define UCODE_EXPERIMENTAL_INDEX 100 |
| 219 | #define UCODE_EXPERIMENTAL_TAG "exp" |
| 220 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 221 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 222 | { |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 223 | const char *name_pre = drv->cfg->fw_name_pre; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 224 | char tag[8]; |
| 225 | |
| 226 | if (first) { |
| 227 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 228 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 229 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 230 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 231 | #endif |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 232 | drv->fw_index = drv->cfg->ucode_api_max; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 233 | sprintf(tag, "%d", drv->fw_index); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 234 | } else { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 235 | drv->fw_index--; |
| 236 | sprintf(tag, "%d", drv->fw_index); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 237 | } |
| 238 | |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 239 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 240 | IWL_ERR(drv, "no suitable firmware found!\n"); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 241 | return -ENOENT; |
| 242 | } |
| 243 | |
Liad Kaufman | 84b0312 | 2014-01-27 16:34:23 +0200 | [diff] [blame] | 244 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", |
| 245 | name_pre, tag); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 246 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 247 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
| 248 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 249 | ? "EXPERIMENTAL " : "", |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 250 | drv->firmware_name); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 251 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 252 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
Emmanuel Grumbach | 93faaee | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 253 | drv->trans->dev, |
Emmanuel Grumbach | 1c8e11e | 2012-07-16 12:31:28 +0300 | [diff] [blame] | 254 | GFP_KERNEL, drv, iwl_req_fw_callback); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 255 | } |
| 256 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 257 | struct fw_img_parsing { |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 258 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 259 | int sec_counter; |
| 260 | }; |
| 261 | |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 262 | /* |
| 263 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv |
| 264 | */ |
| 265 | struct fw_sec_parsing { |
| 266 | __le32 offset; |
| 267 | const u8 data[]; |
| 268 | } __packed; |
| 269 | |
| 270 | /** |
| 271 | * struct iwl_tlv_calib_data - parse the default calib data from TLV |
| 272 | * |
| 273 | * @ucode_type: the uCode to which the following default calib relates. |
| 274 | * @calib: default calibrations. |
| 275 | */ |
| 276 | struct iwl_tlv_calib_data { |
| 277 | __le32 ucode_type; |
Johannes Berg | aa2b177 | 2013-01-24 14:12:07 +0100 | [diff] [blame] | 278 | struct iwl_tlv_calib_ctrl calib; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 279 | } __packed; |
| 280 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 281 | struct iwl_firmware_pieces { |
| 282 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 283 | |
| 284 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; |
| 285 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; |
| 286 | }; |
| 287 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 288 | /* |
| 289 | * These functions are just to extract uCode section data from the pieces |
| 290 | * structure. |
| 291 | */ |
| 292 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, |
| 293 | enum iwl_ucode_type type, |
| 294 | int sec) |
| 295 | { |
| 296 | return &pieces->img[type].sec[sec]; |
| 297 | } |
| 298 | |
| 299 | static void set_sec_data(struct iwl_firmware_pieces *pieces, |
| 300 | enum iwl_ucode_type type, |
| 301 | int sec, |
| 302 | const void *data) |
| 303 | { |
| 304 | pieces->img[type].sec[sec].data = data; |
| 305 | } |
| 306 | |
| 307 | static void set_sec_size(struct iwl_firmware_pieces *pieces, |
| 308 | enum iwl_ucode_type type, |
| 309 | int sec, |
| 310 | size_t size) |
| 311 | { |
| 312 | pieces->img[type].sec[sec].size = size; |
| 313 | } |
| 314 | |
| 315 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, |
| 316 | enum iwl_ucode_type type, |
| 317 | int sec) |
| 318 | { |
| 319 | return pieces->img[type].sec[sec].size; |
| 320 | } |
| 321 | |
| 322 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, |
| 323 | enum iwl_ucode_type type, |
| 324 | int sec, |
| 325 | u32 offset) |
| 326 | { |
| 327 | pieces->img[type].sec[sec].offset = offset; |
| 328 | } |
| 329 | |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 330 | static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) |
| 331 | { |
| 332 | int i, j; |
| 333 | struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; |
| 334 | struct iwl_fw_cipher_scheme *fwcs; |
| 335 | struct ieee80211_cipher_scheme *cs; |
| 336 | u32 cipher; |
| 337 | |
| 338 | if (len < sizeof(*l) || |
| 339 | len < sizeof(l->size) + l->size * sizeof(l->cs[0])) |
| 340 | return -EINVAL; |
| 341 | |
| 342 | for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { |
| 343 | fwcs = &l->cs[j]; |
| 344 | cipher = le32_to_cpu(fwcs->cipher); |
| 345 | |
| 346 | /* we skip schemes with zero cipher suite selector */ |
| 347 | if (!cipher) |
| 348 | continue; |
| 349 | |
| 350 | cs = &fw->cs[j++]; |
| 351 | cs->cipher = cipher; |
| 352 | cs->iftype = BIT(NL80211_IFTYPE_STATION); |
| 353 | cs->hdr_len = fwcs->hdr_len; |
| 354 | cs->pn_len = fwcs->pn_len; |
| 355 | cs->pn_off = fwcs->pn_off; |
| 356 | cs->key_idx_off = fwcs->key_idx_off; |
| 357 | cs->key_idx_mask = fwcs->key_idx_mask; |
| 358 | cs->key_idx_shift = fwcs->key_idx_shift; |
| 359 | cs->mic_len = fwcs->mic_len; |
| 360 | } |
| 361 | |
| 362 | return 0; |
| 363 | } |
| 364 | |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 365 | /* |
| 366 | * Gets uCode section from tlv. |
| 367 | */ |
| 368 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, |
| 369 | const void *data, enum iwl_ucode_type type, |
| 370 | int size) |
| 371 | { |
| 372 | struct fw_img_parsing *img; |
| 373 | struct fw_sec *sec; |
| 374 | struct fw_sec_parsing *sec_parse; |
| 375 | |
| 376 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) |
| 377 | return -1; |
| 378 | |
| 379 | sec_parse = (struct fw_sec_parsing *)data; |
| 380 | |
| 381 | img = &pieces->img[type]; |
| 382 | sec = &img->sec[img->sec_counter]; |
| 383 | |
| 384 | sec->offset = le32_to_cpu(sec_parse->offset); |
| 385 | sec->data = sec_parse->data; |
David Spinadel | 1176f43 | 2012-03-13 14:32:48 +0200 | [diff] [blame] | 386 | sec->size = size - sizeof(sec_parse->offset); |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 387 | |
| 388 | ++img->sec_counter; |
| 389 | |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) |
| 394 | { |
| 395 | struct iwl_tlv_calib_data *def_calib = |
| 396 | (struct iwl_tlv_calib_data *)data; |
| 397 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); |
| 398 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { |
| 399 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", |
| 400 | ucode_type); |
| 401 | return -EINVAL; |
| 402 | } |
Johannes Berg | aa2b177 | 2013-01-24 14:12:07 +0100 | [diff] [blame] | 403 | drv->fw.default_calib[ucode_type].flow_trigger = |
| 404 | def_calib->calib.flow_trigger; |
| 405 | drv->fw.default_calib[ucode_type].event_trigger = |
| 406 | def_calib->calib.event_trigger; |
| 407 | |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 408 | return 0; |
| 409 | } |
| 410 | |
Eran Harary | a2978b1 | 2014-02-20 11:00:01 +0200 | [diff] [blame] | 411 | static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, |
| 412 | struct iwl_ucode_capabilities *capa) |
| 413 | { |
| 414 | const struct iwl_ucode_api *ucode_api = (void *)data; |
| 415 | u32 api_index = le32_to_cpu(ucode_api->api_index); |
| 416 | |
| 417 | if (api_index >= IWL_API_ARRAY_SIZE) { |
| 418 | IWL_ERR(drv, "api_index larger than supported by driver\n"); |
| 419 | return -EINVAL; |
| 420 | } |
| 421 | |
| 422 | capa->api[api_index] = le32_to_cpu(ucode_api->api_flags); |
| 423 | |
| 424 | return 0; |
| 425 | } |
| 426 | |
| 427 | static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, |
| 428 | struct iwl_ucode_capabilities *capa) |
| 429 | { |
| 430 | const struct iwl_ucode_capa *ucode_capa = (void *)data; |
| 431 | u32 api_index = le32_to_cpu(ucode_capa->api_index); |
| 432 | |
| 433 | if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) { |
| 434 | IWL_ERR(drv, "api_index larger than supported by driver\n"); |
| 435 | return -EINVAL; |
| 436 | } |
| 437 | |
| 438 | capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa); |
| 439 | |
| 440 | return 0; |
| 441 | } |
| 442 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 443 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 444 | const struct firmware *ucode_raw, |
| 445 | struct iwl_firmware_pieces *pieces) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 446 | { |
| 447 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; |
| 448 | u32 api_ver, hdr_size, build; |
| 449 | char buildstr[25]; |
| 450 | const u8 *src; |
| 451 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 452 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
| 453 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 454 | |
| 455 | switch (api_ver) { |
| 456 | default: |
| 457 | hdr_size = 28; |
| 458 | if (ucode_raw->size < hdr_size) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 459 | IWL_ERR(drv, "File size too small!\n"); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 460 | return -EINVAL; |
| 461 | } |
| 462 | build = le32_to_cpu(ucode->u.v2.build); |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 463 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
| 464 | le32_to_cpu(ucode->u.v2.inst_size)); |
| 465 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, |
| 466 | le32_to_cpu(ucode->u.v2.data_size)); |
| 467 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, |
| 468 | le32_to_cpu(ucode->u.v2.init_size)); |
| 469 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, |
| 470 | le32_to_cpu(ucode->u.v2.init_data_size)); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 471 | src = ucode->u.v2.data; |
| 472 | break; |
| 473 | case 0: |
| 474 | case 1: |
| 475 | case 2: |
| 476 | hdr_size = 24; |
| 477 | if (ucode_raw->size < hdr_size) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 478 | IWL_ERR(drv, "File size too small!\n"); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 479 | return -EINVAL; |
| 480 | } |
| 481 | build = 0; |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 482 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
| 483 | le32_to_cpu(ucode->u.v1.inst_size)); |
| 484 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, |
| 485 | le32_to_cpu(ucode->u.v1.data_size)); |
| 486 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, |
| 487 | le32_to_cpu(ucode->u.v1.init_size)); |
| 488 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, |
| 489 | le32_to_cpu(ucode->u.v1.init_data_size)); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 490 | src = ucode->u.v1.data; |
| 491 | break; |
| 492 | } |
| 493 | |
| 494 | if (build) |
| 495 | sprintf(buildstr, " build %u%s", build, |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 496 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 497 | ? " (EXP)" : ""); |
| 498 | else |
| 499 | buildstr[0] = '\0'; |
| 500 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 501 | snprintf(drv->fw.fw_version, |
| 502 | sizeof(drv->fw.fw_version), |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 503 | "%u.%u.%u.%u%s", |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 504 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
| 505 | IWL_UCODE_MINOR(drv->fw.ucode_ver), |
| 506 | IWL_UCODE_API(drv->fw.ucode_ver), |
| 507 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 508 | buildstr); |
| 509 | |
| 510 | /* Verify size of file vs. image size info in file's header */ |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 511 | |
| 512 | if (ucode_raw->size != hdr_size + |
| 513 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + |
| 514 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + |
| 515 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + |
| 516 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 517 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 518 | IWL_ERR(drv, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 519 | "uCode file size %d does not match expected size\n", |
| 520 | (int)ucode_raw->size); |
| 521 | return -EINVAL; |
| 522 | } |
| 523 | |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 524 | |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 525 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
| 526 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); |
| 527 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
| 528 | IWLAGN_RTC_INST_LOWER_BOUND); |
| 529 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); |
| 530 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); |
| 531 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, |
| 532 | IWLAGN_RTC_DATA_LOWER_BOUND); |
| 533 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); |
| 534 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); |
| 535 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, |
| 536 | IWLAGN_RTC_INST_LOWER_BOUND); |
| 537 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); |
| 538 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); |
| 539 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, |
| 540 | IWLAGN_RTC_DATA_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 541 | return 0; |
| 542 | } |
| 543 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 544 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 545 | const struct firmware *ucode_raw, |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 546 | struct iwl_firmware_pieces *pieces, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 547 | struct iwl_ucode_capabilities *capa) |
| 548 | { |
| 549 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; |
| 550 | struct iwl_ucode_tlv *tlv; |
| 551 | size_t len = ucode_raw->size; |
| 552 | const u8 *data; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 553 | u32 tlv_len; |
| 554 | enum iwl_ucode_tlv_type tlv_type; |
| 555 | const u8 *tlv_data; |
| 556 | char buildstr[25]; |
| 557 | u32 build; |
Eran Harary | e2d6f4e | 2013-10-02 13:53:40 +0300 | [diff] [blame] | 558 | int num_of_cpus; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 559 | |
| 560 | if (len < sizeof(*ucode)) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 561 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 562 | return -EINVAL; |
| 563 | } |
| 564 | |
| 565 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 566 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 567 | le32_to_cpu(ucode->magic)); |
| 568 | return -EINVAL; |
| 569 | } |
| 570 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 571 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
Emmanuel Grumbach | 06ddbf5 | 2014-06-02 08:34:53 +0300 | [diff] [blame] | 572 | memcpy(drv->fw.human_readable, ucode->human_readable, |
| 573 | sizeof(drv->fw.human_readable)); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 574 | build = le32_to_cpu(ucode->build); |
| 575 | |
| 576 | if (build) |
| 577 | sprintf(buildstr, " build %u%s", build, |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 578 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 579 | ? " (EXP)" : ""); |
| 580 | else |
| 581 | buildstr[0] = '\0'; |
| 582 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 583 | snprintf(drv->fw.fw_version, |
| 584 | sizeof(drv->fw.fw_version), |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 585 | "%u.%u.%u.%u%s", |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 586 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
| 587 | IWL_UCODE_MINOR(drv->fw.ucode_ver), |
| 588 | IWL_UCODE_API(drv->fw.ucode_ver), |
| 589 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 590 | buildstr); |
| 591 | |
| 592 | data = ucode->data; |
| 593 | |
| 594 | len -= sizeof(*ucode); |
| 595 | |
| 596 | while (len >= sizeof(*tlv)) { |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 597 | len -= sizeof(*tlv); |
| 598 | tlv = (void *)data; |
| 599 | |
| 600 | tlv_len = le32_to_cpu(tlv->length); |
Johannes Berg | 0479c19 | 2012-03-09 09:16:35 +0100 | [diff] [blame] | 601 | tlv_type = le32_to_cpu(tlv->type); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 602 | tlv_data = tlv->data; |
| 603 | |
| 604 | if (len < tlv_len) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 605 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 606 | len, tlv_len); |
| 607 | return -EINVAL; |
| 608 | } |
| 609 | len -= ALIGN(tlv_len, 4); |
| 610 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); |
| 611 | |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 612 | switch (tlv_type) { |
| 613 | case IWL_UCODE_TLV_INST: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 614 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
| 615 | IWL_UCODE_SECTION_INST, tlv_data); |
| 616 | set_sec_size(pieces, IWL_UCODE_REGULAR, |
| 617 | IWL_UCODE_SECTION_INST, tlv_len); |
| 618 | set_sec_offset(pieces, IWL_UCODE_REGULAR, |
| 619 | IWL_UCODE_SECTION_INST, |
| 620 | IWLAGN_RTC_INST_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 621 | break; |
| 622 | case IWL_UCODE_TLV_DATA: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 623 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
| 624 | IWL_UCODE_SECTION_DATA, tlv_data); |
| 625 | set_sec_size(pieces, IWL_UCODE_REGULAR, |
| 626 | IWL_UCODE_SECTION_DATA, tlv_len); |
| 627 | set_sec_offset(pieces, IWL_UCODE_REGULAR, |
| 628 | IWL_UCODE_SECTION_DATA, |
| 629 | IWLAGN_RTC_DATA_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 630 | break; |
| 631 | case IWL_UCODE_TLV_INIT: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 632 | set_sec_data(pieces, IWL_UCODE_INIT, |
| 633 | IWL_UCODE_SECTION_INST, tlv_data); |
| 634 | set_sec_size(pieces, IWL_UCODE_INIT, |
| 635 | IWL_UCODE_SECTION_INST, tlv_len); |
| 636 | set_sec_offset(pieces, IWL_UCODE_INIT, |
| 637 | IWL_UCODE_SECTION_INST, |
| 638 | IWLAGN_RTC_INST_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 639 | break; |
| 640 | case IWL_UCODE_TLV_INIT_DATA: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 641 | set_sec_data(pieces, IWL_UCODE_INIT, |
| 642 | IWL_UCODE_SECTION_DATA, tlv_data); |
| 643 | set_sec_size(pieces, IWL_UCODE_INIT, |
| 644 | IWL_UCODE_SECTION_DATA, tlv_len); |
| 645 | set_sec_offset(pieces, IWL_UCODE_INIT, |
| 646 | IWL_UCODE_SECTION_DATA, |
| 647 | IWLAGN_RTC_DATA_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 648 | break; |
| 649 | case IWL_UCODE_TLV_BOOT: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 650 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 651 | break; |
| 652 | case IWL_UCODE_TLV_PROBE_MAX_LEN: |
| 653 | if (tlv_len != sizeof(u32)) |
| 654 | goto invalid_tlv_len; |
| 655 | capa->max_probe_length = |
| 656 | le32_to_cpup((__le32 *)tlv_data); |
| 657 | break; |
| 658 | case IWL_UCODE_TLV_PAN: |
| 659 | if (tlv_len) |
| 660 | goto invalid_tlv_len; |
| 661 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; |
| 662 | break; |
| 663 | case IWL_UCODE_TLV_FLAGS: |
| 664 | /* must be at least one u32 */ |
| 665 | if (tlv_len < sizeof(u32)) |
| 666 | goto invalid_tlv_len; |
| 667 | /* and a proper number of u32s */ |
| 668 | if (tlv_len % sizeof(u32)) |
| 669 | goto invalid_tlv_len; |
| 670 | /* |
| 671 | * This driver only reads the first u32 as |
| 672 | * right now no more features are defined, |
| 673 | * if that changes then either the driver |
| 674 | * will not work with the new firmware, or |
| 675 | * it'll not take advantage of new features. |
| 676 | */ |
| 677 | capa->flags = le32_to_cpup((__le32 *)tlv_data); |
| 678 | break; |
Eran Harary | a2978b1 | 2014-02-20 11:00:01 +0200 | [diff] [blame] | 679 | case IWL_UCODE_TLV_API_CHANGES_SET: |
| 680 | if (tlv_len != sizeof(struct iwl_ucode_api)) |
| 681 | goto invalid_tlv_len; |
| 682 | if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) |
| 683 | goto tlv_error; |
| 684 | break; |
| 685 | case IWL_UCODE_TLV_ENABLED_CAPABILITIES: |
| 686 | if (tlv_len != sizeof(struct iwl_ucode_capa)) |
| 687 | goto invalid_tlv_len; |
| 688 | if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) |
| 689 | goto tlv_error; |
| 690 | break; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 691 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
| 692 | if (tlv_len != sizeof(u32)) |
| 693 | goto invalid_tlv_len; |
| 694 | pieces->init_evtlog_ptr = |
| 695 | le32_to_cpup((__le32 *)tlv_data); |
| 696 | break; |
| 697 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: |
| 698 | if (tlv_len != sizeof(u32)) |
| 699 | goto invalid_tlv_len; |
| 700 | pieces->init_evtlog_size = |
| 701 | le32_to_cpup((__le32 *)tlv_data); |
| 702 | break; |
| 703 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: |
| 704 | if (tlv_len != sizeof(u32)) |
| 705 | goto invalid_tlv_len; |
| 706 | pieces->init_errlog_ptr = |
| 707 | le32_to_cpup((__le32 *)tlv_data); |
| 708 | break; |
| 709 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: |
| 710 | if (tlv_len != sizeof(u32)) |
| 711 | goto invalid_tlv_len; |
| 712 | pieces->inst_evtlog_ptr = |
| 713 | le32_to_cpup((__le32 *)tlv_data); |
| 714 | break; |
| 715 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: |
| 716 | if (tlv_len != sizeof(u32)) |
| 717 | goto invalid_tlv_len; |
| 718 | pieces->inst_evtlog_size = |
| 719 | le32_to_cpup((__le32 *)tlv_data); |
| 720 | break; |
| 721 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: |
| 722 | if (tlv_len != sizeof(u32)) |
| 723 | goto invalid_tlv_len; |
| 724 | pieces->inst_errlog_ptr = |
| 725 | le32_to_cpup((__le32 *)tlv_data); |
| 726 | break; |
| 727 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: |
| 728 | if (tlv_len) |
| 729 | goto invalid_tlv_len; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 730 | drv->fw.enhance_sensitivity_table = true; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 731 | break; |
| 732 | case IWL_UCODE_TLV_WOWLAN_INST: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 733 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
| 734 | IWL_UCODE_SECTION_INST, tlv_data); |
| 735 | set_sec_size(pieces, IWL_UCODE_WOWLAN, |
| 736 | IWL_UCODE_SECTION_INST, tlv_len); |
| 737 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, |
| 738 | IWL_UCODE_SECTION_INST, |
| 739 | IWLAGN_RTC_INST_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 740 | break; |
| 741 | case IWL_UCODE_TLV_WOWLAN_DATA: |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 742 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
| 743 | IWL_UCODE_SECTION_DATA, tlv_data); |
| 744 | set_sec_size(pieces, IWL_UCODE_WOWLAN, |
| 745 | IWL_UCODE_SECTION_DATA, tlv_len); |
| 746 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, |
| 747 | IWL_UCODE_SECTION_DATA, |
| 748 | IWLAGN_RTC_DATA_LOWER_BOUND); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 749 | break; |
| 750 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: |
| 751 | if (tlv_len != sizeof(u32)) |
| 752 | goto invalid_tlv_len; |
| 753 | capa->standard_phy_calibration_size = |
| 754 | le32_to_cpup((__le32 *)tlv_data); |
| 755 | break; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 756 | case IWL_UCODE_TLV_SEC_RT: |
| 757 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, |
| 758 | tlv_len); |
David Spinadel | 4db2c9a | 2012-03-10 13:00:15 -0800 | [diff] [blame] | 759 | drv->fw.mvm_fw = true; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 760 | break; |
| 761 | case IWL_UCODE_TLV_SEC_INIT: |
| 762 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, |
| 763 | tlv_len); |
David Spinadel | 4db2c9a | 2012-03-10 13:00:15 -0800 | [diff] [blame] | 764 | drv->fw.mvm_fw = true; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 765 | break; |
| 766 | case IWL_UCODE_TLV_SEC_WOWLAN: |
| 767 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, |
| 768 | tlv_len); |
David Spinadel | 4db2c9a | 2012-03-10 13:00:15 -0800 | [diff] [blame] | 769 | drv->fw.mvm_fw = true; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 770 | break; |
| 771 | case IWL_UCODE_TLV_DEF_CALIB: |
| 772 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) |
| 773 | goto invalid_tlv_len; |
| 774 | if (iwl_set_default_calib(drv, tlv_data)) |
| 775 | goto tlv_error; |
| 776 | break; |
| 777 | case IWL_UCODE_TLV_PHY_SKU: |
| 778 | if (tlv_len != sizeof(u32)) |
| 779 | goto invalid_tlv_len; |
| 780 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); |
Eran Harary | 77db0a3 | 2014-02-04 14:21:38 +0200 | [diff] [blame] | 781 | drv->fw.valid_tx_ant = (drv->fw.phy_config & |
| 782 | FW_PHY_CFG_TX_CHAIN) >> |
| 783 | FW_PHY_CFG_TX_CHAIN_POS; |
| 784 | drv->fw.valid_rx_ant = (drv->fw.phy_config & |
| 785 | FW_PHY_CFG_RX_CHAIN) >> |
| 786 | FW_PHY_CFG_RX_CHAIN_POS; |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 787 | break; |
Eran Harary | e2d6f4e | 2013-10-02 13:53:40 +0300 | [diff] [blame] | 788 | case IWL_UCODE_TLV_SECURE_SEC_RT: |
| 789 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, |
| 790 | tlv_len); |
| 791 | drv->fw.mvm_fw = true; |
| 792 | drv->fw.img[IWL_UCODE_REGULAR].is_secure = true; |
| 793 | break; |
| 794 | case IWL_UCODE_TLV_SECURE_SEC_INIT: |
| 795 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, |
| 796 | tlv_len); |
| 797 | drv->fw.mvm_fw = true; |
| 798 | drv->fw.img[IWL_UCODE_INIT].is_secure = true; |
| 799 | break; |
| 800 | case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: |
| 801 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, |
| 802 | tlv_len); |
| 803 | drv->fw.mvm_fw = true; |
| 804 | drv->fw.img[IWL_UCODE_WOWLAN].is_secure = true; |
| 805 | break; |
| 806 | case IWL_UCODE_TLV_NUM_OF_CPU: |
| 807 | if (tlv_len != sizeof(u32)) |
| 808 | goto invalid_tlv_len; |
| 809 | num_of_cpus = |
| 810 | le32_to_cpup((__le32 *)tlv_data); |
| 811 | |
| 812 | if (num_of_cpus == 2) { |
| 813 | drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = |
| 814 | true; |
| 815 | drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = |
| 816 | true; |
| 817 | drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = |
| 818 | true; |
| 819 | } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { |
| 820 | IWL_ERR(drv, "Driver support upto 2 CPUs\n"); |
| 821 | return -EINVAL; |
| 822 | } |
| 823 | break; |
Max Stepanov | e36e543 | 2013-08-27 19:56:13 +0300 | [diff] [blame] | 824 | case IWL_UCODE_TLV_CSCHEME: |
| 825 | if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) |
| 826 | goto invalid_tlv_len; |
| 827 | break; |
David Spinadel | 762533b | 2014-06-05 11:20:43 +0300 | [diff] [blame] | 828 | case IWL_UCODE_TLV_N_SCAN_CHANNELS: |
| 829 | if (tlv_len != sizeof(u32)) |
| 830 | goto invalid_tlv_len; |
| 831 | capa->n_scan_channels = |
| 832 | le32_to_cpup((__le32 *)tlv_data); |
| 833 | break; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 834 | default: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 835 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 836 | break; |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | if (len) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 841 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
| 842 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 843 | return -EINVAL; |
| 844 | } |
| 845 | |
| 846 | return 0; |
| 847 | |
| 848 | invalid_tlv_len: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 849 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
David Spinadel | ed8c836 | 2012-03-10 13:00:13 -0800 | [diff] [blame] | 850 | tlv_error: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 851 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 852 | |
| 853 | return -EINVAL; |
| 854 | } |
| 855 | |
Johannes Berg | 75813bd | 2012-05-16 22:49:49 +0200 | [diff] [blame] | 856 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
| 857 | struct iwl_firmware_pieces *pieces, |
| 858 | enum iwl_ucode_type type) |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 859 | { |
| 860 | int i; |
| 861 | for (i = 0; |
| 862 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); |
| 863 | i++) |
| 864 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), |
Johannes Berg | 75813bd | 2012-05-16 22:49:49 +0200 | [diff] [blame] | 865 | get_sec(pieces, type, i))) |
| 866 | return -ENOMEM; |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 867 | return 0; |
| 868 | } |
| 869 | |
| 870 | static int validate_sec_sizes(struct iwl_drv *drv, |
| 871 | struct iwl_firmware_pieces *pieces, |
| 872 | const struct iwl_cfg *cfg) |
| 873 | { |
| 874 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", |
| 875 | get_sec_size(pieces, IWL_UCODE_REGULAR, |
| 876 | IWL_UCODE_SECTION_INST)); |
| 877 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", |
| 878 | get_sec_size(pieces, IWL_UCODE_REGULAR, |
| 879 | IWL_UCODE_SECTION_DATA)); |
| 880 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", |
| 881 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); |
| 882 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", |
| 883 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); |
| 884 | |
| 885 | /* Verify that uCode images will fit in card's SRAM. */ |
| 886 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > |
| 887 | cfg->max_inst_size) { |
| 888 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", |
| 889 | get_sec_size(pieces, IWL_UCODE_REGULAR, |
| 890 | IWL_UCODE_SECTION_INST)); |
| 891 | return -1; |
| 892 | } |
| 893 | |
| 894 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > |
| 895 | cfg->max_data_size) { |
| 896 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", |
| 897 | get_sec_size(pieces, IWL_UCODE_REGULAR, |
| 898 | IWL_UCODE_SECTION_DATA)); |
| 899 | return -1; |
| 900 | } |
| 901 | |
| 902 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > |
| 903 | cfg->max_inst_size) { |
| 904 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", |
| 905 | get_sec_size(pieces, IWL_UCODE_INIT, |
| 906 | IWL_UCODE_SECTION_INST)); |
| 907 | return -1; |
| 908 | } |
| 909 | |
| 910 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > |
| 911 | cfg->max_data_size) { |
| 912 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", |
| 913 | get_sec_size(pieces, IWL_UCODE_REGULAR, |
| 914 | IWL_UCODE_SECTION_DATA)); |
| 915 | return -1; |
| 916 | } |
| 917 | return 0; |
| 918 | } |
| 919 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 920 | static struct iwl_op_mode * |
| 921 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) |
| 922 | { |
| 923 | const struct iwl_op_mode_ops *ops = op->ops; |
| 924 | struct dentry *dbgfs_dir = NULL; |
| 925 | struct iwl_op_mode *op_mode = NULL; |
| 926 | |
| 927 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 928 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, |
| 929 | drv->dbgfs_drv); |
| 930 | if (!drv->dbgfs_op_mode) { |
| 931 | IWL_ERR(drv, |
| 932 | "failed to create opmode debugfs directory\n"); |
| 933 | return op_mode; |
| 934 | } |
| 935 | dbgfs_dir = drv->dbgfs_op_mode; |
| 936 | #endif |
| 937 | |
| 938 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); |
| 939 | |
| 940 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 941 | if (!op_mode) { |
| 942 | debugfs_remove_recursive(drv->dbgfs_op_mode); |
| 943 | drv->dbgfs_op_mode = NULL; |
| 944 | } |
| 945 | #endif |
| 946 | |
| 947 | return op_mode; |
| 948 | } |
| 949 | |
| 950 | static void _iwl_op_mode_stop(struct iwl_drv *drv) |
| 951 | { |
| 952 | /* op_mode can be NULL if its start failed */ |
| 953 | if (drv->op_mode) { |
| 954 | iwl_op_mode_stop(drv->op_mode); |
| 955 | drv->op_mode = NULL; |
| 956 | |
| 957 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 958 | debugfs_remove_recursive(drv->dbgfs_op_mode); |
| 959 | drv->dbgfs_op_mode = NULL; |
| 960 | #endif |
| 961 | } |
| 962 | } |
| 963 | |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 964 | /** |
Emmanuel Grumbach | 1c8e11e | 2012-07-16 12:31:28 +0300 | [diff] [blame] | 965 | * iwl_req_fw_callback - callback when firmware was loaded |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 966 | * |
| 967 | * If loaded successfully, copies the firmware into buffers |
| 968 | * for the card to fetch (via DMA). |
| 969 | */ |
Emmanuel Grumbach | 1c8e11e | 2012-07-16 12:31:28 +0300 | [diff] [blame] | 970 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 971 | { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 972 | struct iwl_drv *drv = context; |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 973 | struct iwl_fw *fw = &drv->fw; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 974 | struct iwl_ucode_header *ucode; |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 975 | struct iwlwifi_opmode_table *op; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 976 | int err; |
David Spinadel | 0cedacc | 2012-03-10 13:00:12 -0800 | [diff] [blame] | 977 | struct iwl_firmware_pieces pieces; |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 978 | const unsigned int api_max = drv->cfg->ucode_api_max; |
| 979 | unsigned int api_ok = drv->cfg->ucode_api_ok; |
| 980 | const unsigned int api_min = drv->cfg->ucode_api_min; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 981 | u32 api_ver; |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 982 | int i; |
Johannes Berg | d4b1048 | 2012-06-12 19:50:43 +0200 | [diff] [blame] | 983 | bool load_module = false; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 984 | |
Luciano Coelho | 66140ad | 2013-08-12 19:30:21 +0300 | [diff] [blame] | 985 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 986 | fw->ucode_capa.standard_phy_calibration_size = |
| 987 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; |
David Spinadel | 762533b | 2014-06-05 11:20:43 +0300 | [diff] [blame] | 988 | fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 989 | |
| 990 | if (!api_ok) |
| 991 | api_ok = api_max; |
| 992 | |
| 993 | memset(&pieces, 0, sizeof(pieces)); |
| 994 | |
| 995 | if (!ucode_raw) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 996 | if (drv->fw_index <= api_ok) |
| 997 | IWL_ERR(drv, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 998 | "request for firmware file '%s' failed.\n", |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 999 | drv->firmware_name); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1000 | goto try_again; |
| 1001 | } |
| 1002 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1003 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
| 1004 | drv->firmware_name, ucode_raw->size); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1005 | |
| 1006 | /* Make sure that we got at least the API version number */ |
| 1007 | if (ucode_raw->size < 4) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1008 | IWL_ERR(drv, "File size way too small!\n"); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1009 | goto try_again; |
| 1010 | } |
| 1011 | |
| 1012 | /* Data from ucode file: header followed by uCode images */ |
| 1013 | ucode = (struct iwl_ucode_header *)ucode_raw->data; |
| 1014 | |
| 1015 | if (ucode->ver) |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1016 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1017 | else |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1018 | err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1019 | &fw->ucode_capa); |
| 1020 | |
| 1021 | if (err) |
| 1022 | goto try_again; |
| 1023 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1024 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1025 | |
| 1026 | /* |
| 1027 | * api_ver should match the api version forming part of the |
| 1028 | * firmware filename ... but we don't check for that and only rely |
| 1029 | * on the API version read from firmware header from here on forward |
| 1030 | */ |
| 1031 | /* no api version check required for experimental uCode */ |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1032 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1033 | if (api_ver < api_min || api_ver > api_max) { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1034 | IWL_ERR(drv, |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1035 | "Driver unable to support your firmware API. " |
| 1036 | "Driver supports v%u, firmware is v%u.\n", |
| 1037 | api_max, api_ver); |
| 1038 | goto try_again; |
| 1039 | } |
| 1040 | |
| 1041 | if (api_ver < api_ok) { |
| 1042 | if (api_ok != api_max) |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1043 | IWL_ERR(drv, "Firmware has old API version, " |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1044 | "expected v%u through v%u, got v%u.\n", |
| 1045 | api_ok, api_max, api_ver); |
| 1046 | else |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1047 | IWL_ERR(drv, "Firmware has old API version, " |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1048 | "expected v%u, got v%u.\n", |
| 1049 | api_max, api_ver); |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1050 | IWL_ERR(drv, "New firmware can be obtained from " |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1051 | "http://www.intellinuxwireless.org/.\n"); |
| 1052 | } |
| 1053 | } |
| 1054 | |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1055 | /* |
David Spinadel | 4db2c9a | 2012-03-10 13:00:15 -0800 | [diff] [blame] | 1056 | * In mvm uCode there is no difference between data and instructions |
| 1057 | * sections. |
| 1058 | */ |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 1059 | if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg)) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1060 | goto try_again; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1061 | |
| 1062 | /* Allocate ucode buffers for card's bus-master loading ... */ |
| 1063 | |
| 1064 | /* Runtime instructions and 2 copies of data: |
| 1065 | * 1) unmodified from disk |
| 1066 | * 2) backup cache for save/restore during power-downs */ |
David Spinadel | 6dfa8d0 | 2012-03-10 13:00:14 -0800 | [diff] [blame] | 1067 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
Johannes Berg | 75813bd | 2012-05-16 22:49:49 +0200 | [diff] [blame] | 1068 | if (iwl_alloc_ucode(drv, &pieces, i)) |
| 1069 | goto out_free_fw; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1070 | |
| 1071 | /* Now that we can no longer fail, copy information */ |
| 1072 | |
| 1073 | /* |
| 1074 | * The (size - 16) / 12 formula is based on the information recorded |
| 1075 | * for each event, which is of mode 1 (including timestamp) for all |
| 1076 | * new microcodes that include this information. |
| 1077 | */ |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1078 | fw->init_evtlog_ptr = pieces.init_evtlog_ptr; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1079 | if (pieces.init_evtlog_size) |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1080 | fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1081 | else |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1082 | fw->init_evtlog_size = |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 1083 | drv->cfg->base_params->max_event_log_size; |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1084 | fw->init_errlog_ptr = pieces.init_errlog_ptr; |
| 1085 | fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1086 | if (pieces.inst_evtlog_size) |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1087 | fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1088 | else |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1089 | fw->inst_evtlog_size = |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 1090 | drv->cfg->base_params->max_event_log_size; |
Johannes Berg | 0692fe4 | 2012-03-06 13:30:37 -0800 | [diff] [blame] | 1091 | fw->inst_errlog_ptr = pieces.inst_errlog_ptr; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1092 | |
| 1093 | /* |
| 1094 | * figure out the offset of chain noise reset and gain commands |
| 1095 | * base on the size of standard phy calibration commands table size |
| 1096 | */ |
| 1097 | if (fw->ucode_capa.standard_phy_calibration_size > |
| 1098 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) |
| 1099 | fw->ucode_capa.standard_phy_calibration_size = |
| 1100 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; |
| 1101 | |
| 1102 | /* We have our copies now, allow OS release its copies */ |
| 1103 | release_firmware(ucode_raw); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1104 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1105 | mutex_lock(&iwlwifi_opmode_table_mtx); |
Johannes Berg | 8ca151b | 2013-01-24 14:25:36 +0100 | [diff] [blame] | 1106 | if (fw->mvm_fw) |
| 1107 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; |
| 1108 | else |
| 1109 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1110 | |
Johannes Berg | 2b2719c | 2013-03-26 11:41:51 +0100 | [diff] [blame] | 1111 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", |
| 1112 | drv->fw.fw_version, op->name); |
| 1113 | |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1114 | /* add this device to the list of devices using this op_mode */ |
| 1115 | list_add_tail(&drv->list, &op->drv); |
| 1116 | |
| 1117 | if (op->ops) { |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1118 | drv->op_mode = _iwl_op_mode_start(drv, op); |
John W. Linville | 7c9c46c | 2012-06-06 14:40:06 -0400 | [diff] [blame] | 1119 | |
Dan Carpenter | daf67ce | 2012-06-14 21:35:26 +0300 | [diff] [blame] | 1120 | if (!drv->op_mode) { |
| 1121 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
John W. Linville | 7c9c46c | 2012-06-06 14:40:06 -0400 | [diff] [blame] | 1122 | goto out_unbind; |
Dan Carpenter | daf67ce | 2012-06-14 21:35:26 +0300 | [diff] [blame] | 1123 | } |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1124 | } else { |
Johannes Berg | d4b1048 | 2012-06-12 19:50:43 +0200 | [diff] [blame] | 1125 | load_module = true; |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1126 | } |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1127 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1128 | |
Johannes Berg | f69a23b | 2012-06-05 19:56:06 +0200 | [diff] [blame] | 1129 | /* |
| 1130 | * Complete the firmware request last so that |
| 1131 | * a driver unbind (stop) doesn't run while we |
| 1132 | * are doing the start() above. |
| 1133 | */ |
| 1134 | complete(&drv->request_firmware_complete); |
Johannes Berg | d4b1048 | 2012-06-12 19:50:43 +0200 | [diff] [blame] | 1135 | |
| 1136 | /* |
| 1137 | * Load the module last so we don't block anything |
| 1138 | * else from proceeding if the module fails to load |
| 1139 | * or hangs loading. |
| 1140 | */ |
Johannes Berg | 1618b2b | 2013-04-04 10:35:23 +0200 | [diff] [blame] | 1141 | if (load_module) { |
| 1142 | err = request_module("%s", op->name); |
Johannes Berg | 8edf3fd | 2013-05-28 21:32:47 +0200 | [diff] [blame] | 1143 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
Johannes Berg | 1618b2b | 2013-04-04 10:35:23 +0200 | [diff] [blame] | 1144 | if (err) |
| 1145 | IWL_ERR(drv, |
| 1146 | "failed to load module %s (error %d), is dynamic loading enabled?\n", |
| 1147 | op->name, err); |
Johannes Berg | 8edf3fd | 2013-05-28 21:32:47 +0200 | [diff] [blame] | 1148 | #endif |
Johannes Berg | 1618b2b | 2013-04-04 10:35:23 +0200 | [diff] [blame] | 1149 | } |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1150 | return; |
| 1151 | |
| 1152 | try_again: |
| 1153 | /* try next, if any */ |
| 1154 | release_firmware(ucode_raw); |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1155 | if (iwl_request_firmware(drv, false)) |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1156 | goto out_unbind; |
| 1157 | return; |
| 1158 | |
Johannes Berg | 75813bd | 2012-05-16 22:49:49 +0200 | [diff] [blame] | 1159 | out_free_fw: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1160 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
| 1161 | iwl_dealloc_ucode(drv); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1162 | release_firmware(ucode_raw); |
| 1163 | out_unbind: |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1164 | complete(&drv->request_firmware_complete); |
Emmanuel Grumbach | 93faaee | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 1165 | device_release_driver(drv->trans->dev); |
Johannes Berg | 15854ef | 2012-03-05 11:24:50 -0800 | [diff] [blame] | 1166 | } |
| 1167 | |
Emmanuel Grumbach | 87ce05a | 2012-03-26 09:03:18 -0700 | [diff] [blame] | 1168 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
Emmanuel Grumbach | 9130bab | 2012-03-26 08:51:09 -0700 | [diff] [blame] | 1169 | const struct iwl_cfg *cfg) |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1170 | { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1171 | struct iwl_drv *drv; |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1172 | int ret; |
| 1173 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1174 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
Luciano Coelho | eafe25e | 2013-08-13 10:34:55 +0300 | [diff] [blame] | 1175 | if (!drv) { |
| 1176 | ret = -ENOMEM; |
| 1177 | goto err; |
| 1178 | } |
Emmanuel Grumbach | c15797e | 2012-04-19 10:29:58 +0300 | [diff] [blame] | 1179 | |
Emmanuel Grumbach | 9130bab | 2012-03-26 08:51:09 -0700 | [diff] [blame] | 1180 | drv->trans = trans; |
Emmanuel Grumbach | 4b9844f | 2012-03-22 23:59:52 +0200 | [diff] [blame] | 1181 | drv->dev = trans->dev; |
Emmanuel Grumbach | 68f360d | 2012-03-22 17:51:44 +0200 | [diff] [blame] | 1182 | drv->cfg = cfg; |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1183 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1184 | init_completion(&drv->request_firmware_complete); |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1185 | INIT_LIST_HEAD(&drv->list); |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1186 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1187 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1188 | /* Create the device debugfs entries. */ |
| 1189 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), |
| 1190 | iwl_dbgfs_root); |
| 1191 | |
| 1192 | if (!drv->dbgfs_drv) { |
| 1193 | IWL_ERR(drv, "failed to create debugfs directory\n"); |
Emmanuel Grumbach | 59f547a | 2012-11-28 16:42:09 +0200 | [diff] [blame] | 1194 | ret = -ENOMEM; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1195 | goto err_free_drv; |
| 1196 | } |
| 1197 | |
| 1198 | /* Create transport layer debugfs dir */ |
| 1199 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); |
| 1200 | |
| 1201 | if (!drv->trans->dbgfs_dir) { |
| 1202 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); |
Emmanuel Grumbach | 59f547a | 2012-11-28 16:42:09 +0200 | [diff] [blame] | 1203 | ret = -ENOMEM; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1204 | goto err_free_dbgfs; |
| 1205 | } |
| 1206 | #endif |
| 1207 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1208 | ret = iwl_request_firmware(drv, true); |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1209 | if (ret) { |
Emmanuel Grumbach | c15797e | 2012-04-19 10:29:58 +0300 | [diff] [blame] | 1210 | IWL_ERR(trans, "Couldn't request the fw\n"); |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1211 | goto err_fw; |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1212 | } |
| 1213 | |
Emmanuel Grumbach | 9130bab | 2012-03-26 08:51:09 -0700 | [diff] [blame] | 1214 | return drv; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1215 | |
| 1216 | err_fw: |
| 1217 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1218 | err_free_dbgfs: |
| 1219 | debugfs_remove_recursive(drv->dbgfs_drv); |
| 1220 | err_free_drv: |
| 1221 | #endif |
| 1222 | kfree(drv); |
Luciano Coelho | eafe25e | 2013-08-13 10:34:55 +0300 | [diff] [blame] | 1223 | err: |
Emmanuel Grumbach | 59f547a | 2012-11-28 16:42:09 +0200 | [diff] [blame] | 1224 | return ERR_PTR(ret); |
Emmanuel Grumbach | 5c58edc | 2012-02-07 14:18:40 +0200 | [diff] [blame] | 1225 | } |
| 1226 | |
Emmanuel Grumbach | 9130bab | 2012-03-26 08:51:09 -0700 | [diff] [blame] | 1227 | void iwl_drv_stop(struct iwl_drv *drv) |
Emmanuel Grumbach | 07590f0 | 2012-02-07 14:27:31 +0200 | [diff] [blame] | 1228 | { |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1229 | wait_for_completion(&drv->request_firmware_complete); |
Johannes Berg | 2e7eb11 | 2012-03-05 11:24:51 -0800 | [diff] [blame] | 1230 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1231 | _iwl_op_mode_stop(drv); |
Emmanuel Grumbach | 07590f0 | 2012-02-07 14:27:31 +0200 | [diff] [blame] | 1232 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1233 | iwl_dealloc_ucode(drv); |
Johannes Berg | 7db5b98 | 2012-03-05 11:24:48 -0800 | [diff] [blame] | 1234 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1235 | mutex_lock(&iwlwifi_opmode_table_mtx); |
| 1236 | /* |
| 1237 | * List is empty (this item wasn't added) |
| 1238 | * when firmware loading failed -- in that |
| 1239 | * case we can't remove it from any list. |
| 1240 | */ |
| 1241 | if (!list_empty(&drv->list)) |
| 1242 | list_del(&drv->list); |
| 1243 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
| 1244 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1245 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1246 | debugfs_remove_recursive(drv->dbgfs_drv); |
| 1247 | #endif |
| 1248 | |
Johannes Berg | 965974a | 2012-03-06 13:30:38 -0800 | [diff] [blame] | 1249 | kfree(drv); |
Emmanuel Grumbach | 07590f0 | 2012-02-07 14:27:31 +0200 | [diff] [blame] | 1250 | } |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1251 | |
| 1252 | |
| 1253 | /* shared module parameters */ |
| 1254 | struct iwl_mod_params iwlwifi_mod_params = { |
Emmanuel Grumbach | 490953a | 2013-03-04 08:53:07 +0200 | [diff] [blame] | 1255 | .restart_fw = true, |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1256 | .bt_coex_active = true, |
| 1257 | .power_level = IWL_POWER_INDEX_1, |
Emmanuel Grumbach | 020c876 | 2012-06-24 15:51:59 +0300 | [diff] [blame] | 1258 | .wd_disable = true, |
Johannes Berg | d6ca18de | 2014-09-01 11:28:11 +0200 | [diff] [blame] | 1259 | #ifndef CONFIG_IWLWIFI_UAPSD |
| 1260 | .uapsd_disable = true, |
| 1261 | #endif /* CONFIG_IWLWIFI_UAPSD */ |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1262 | /* the rest are 0 by default */ |
| 1263 | }; |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame] | 1264 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1265 | |
| 1266 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) |
| 1267 | { |
| 1268 | int i; |
| 1269 | struct iwl_drv *drv; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1270 | struct iwlwifi_opmode_table *op; |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1271 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1272 | mutex_lock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1273 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1274 | op = &iwlwifi_opmode_table[i]; |
| 1275 | if (strcmp(op->name, name)) |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1276 | continue; |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1277 | op->ops = ops; |
| 1278 | /* TODO: need to handle exceptional case */ |
| 1279 | list_for_each_entry(drv, &op->drv, list) |
| 1280 | drv->op_mode = _iwl_op_mode_start(drv, op); |
| 1281 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1282 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1283 | return 0; |
| 1284 | } |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1285 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1286 | return -EIO; |
| 1287 | } |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame] | 1288 | IWL_EXPORT_SYMBOL(iwl_opmode_register); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1289 | |
| 1290 | void iwl_opmode_deregister(const char *name) |
| 1291 | { |
| 1292 | int i; |
| 1293 | struct iwl_drv *drv; |
| 1294 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1295 | mutex_lock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1296 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
| 1297 | if (strcmp(iwlwifi_opmode_table[i].name, name)) |
| 1298 | continue; |
| 1299 | iwlwifi_opmode_table[i].ops = NULL; |
| 1300 | |
| 1301 | /* call the stop routine for all devices */ |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1302 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) |
| 1303 | _iwl_op_mode_stop(drv); |
| 1304 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1305 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1306 | return; |
| 1307 | } |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1308 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1309 | } |
Johannes Berg | 48e2934 | 2013-03-01 00:13:33 +0100 | [diff] [blame] | 1310 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1311 | |
| 1312 | static int __init iwl_drv_init(void) |
| 1313 | { |
| 1314 | int i; |
| 1315 | |
Johannes Berg | ff1ffb8 | 2012-06-06 09:42:57 +0200 | [diff] [blame] | 1316 | mutex_init(&iwlwifi_opmode_table_mtx); |
| 1317 | |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1318 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
| 1319 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); |
| 1320 | |
| 1321 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); |
| 1322 | pr_info(DRV_COPYRIGHT "\n"); |
| 1323 | |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1324 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1325 | /* Create the root of iwlwifi debugfs subsystem. */ |
| 1326 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); |
| 1327 | |
| 1328 | if (!iwl_dbgfs_root) |
| 1329 | return -EFAULT; |
| 1330 | #endif |
| 1331 | |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1332 | return iwl_pci_register_driver(); |
| 1333 | } |
| 1334 | module_init(iwl_drv_init); |
| 1335 | |
| 1336 | static void __exit iwl_drv_exit(void) |
| 1337 | { |
| 1338 | iwl_pci_unregister_driver(); |
Meenakshi Venkataraman | 9da987a | 2012-07-16 18:43:56 -0700 | [diff] [blame] | 1339 | |
| 1340 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 1341 | debugfs_remove_recursive(iwl_dbgfs_root); |
| 1342 | #endif |
Don Fry | cc5f7e3 | 2012-05-16 22:54:27 +0200 | [diff] [blame] | 1343 | } |
| 1344 | module_exit(iwl_drv_exit); |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1345 | |
| 1346 | #ifdef CONFIG_IWLWIFI_DEBUG |
| 1347 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, |
| 1348 | S_IRUGO | S_IWUSR); |
| 1349 | MODULE_PARM_DESC(debug, "debug output mask"); |
| 1350 | #endif |
| 1351 | |
| 1352 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); |
| 1353 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); |
| 1354 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); |
| 1355 | MODULE_PARM_DESC(11n_disable, |
Emmanuel Grumbach | 205e221 | 2014-02-12 15:15:05 +0200 | [diff] [blame] | 1356 | "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1357 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, |
| 1358 | int, S_IRUGO); |
Emmanuel Grumbach | aed7d9a | 2013-02-20 11:33:00 +0200 | [diff] [blame] | 1359 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); |
Emmanuel Grumbach | 490953a | 2013-03-04 08:53:07 +0200 | [diff] [blame] | 1360 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); |
| 1361 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1362 | |
| 1363 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, |
| 1364 | int, S_IRUGO); |
| 1365 | MODULE_PARM_DESC(antenna_coupling, |
| 1366 | "specify antenna coupling in dB (defualt: 0 dB)"); |
| 1367 | |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1368 | module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO); |
| 1369 | MODULE_PARM_DESC(wd_disable, |
Eliad Peller | 82b715c | 2014-02-11 16:54:42 +0200 | [diff] [blame] | 1370 | "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)"); |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1371 | |
Eran Harary | 1214755 | 2013-05-09 08:07:59 +0300 | [diff] [blame] | 1372 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); |
| 1373 | MODULE_PARM_DESC(nvm_file, "NVM file name"); |
| 1374 | |
Matt Chen | 1504f48 | 2014-04-24 18:43:18 +0800 | [diff] [blame] | 1375 | module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, |
| 1376 | bool, S_IRUGO); |
Johannes Berg | d6ca18de | 2014-09-01 11:28:11 +0200 | [diff] [blame] | 1377 | #ifdef CONFIG_IWLWIFI_UAPSD |
Matt Chen | 1504f48 | 2014-04-24 18:43:18 +0800 | [diff] [blame] | 1378 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)"); |
Johannes Berg | d6ca18de | 2014-09-01 11:28:11 +0200 | [diff] [blame] | 1379 | #else |
| 1380 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)"); |
| 1381 | #endif |
Matt Chen | 1504f48 | 2014-04-24 18:43:18 +0800 | [diff] [blame] | 1382 | |
Johannes Berg | 65de7e8 | 2012-04-17 07:36:30 -0700 | [diff] [blame] | 1383 | /* |
| 1384 | * set bt_coex_active to true, uCode will do kill/defer |
| 1385 | * every time the priority line is asserted (BT is sending signals on the |
| 1386 | * priority line in the PCIx). |
| 1387 | * set bt_coex_active to false, uCode will ignore the BT activity and |
| 1388 | * perform the normal operation |
| 1389 | * |
| 1390 | * User might experience transmit issue on some platform due to WiFi/BT |
| 1391 | * co-exist problem. The possible behaviors are: |
| 1392 | * Able to scan and finding all the available AP |
| 1393 | * Not able to associate with any AP |
| 1394 | * On those platforms, WiFi communication can be restored by set |
| 1395 | * "bt_coex_active" module parameter to "false" |
| 1396 | * |
| 1397 | * default: bt_coex_active = true (BT_COEX_ENABLE) |
| 1398 | */ |
| 1399 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, |
| 1400 | bool, S_IRUGO); |
| 1401 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); |
| 1402 | |
| 1403 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); |
| 1404 | MODULE_PARM_DESC(led_mode, "0=system default, " |
| 1405 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); |
| 1406 | |
| 1407 | module_param_named(power_save, iwlwifi_mod_params.power_save, |
| 1408 | bool, S_IRUGO); |
| 1409 | MODULE_PARM_DESC(power_save, |
| 1410 | "enable WiFi power management (default: disable)"); |
| 1411 | |
| 1412 | module_param_named(power_level, iwlwifi_mod_params.power_level, |
| 1413 | int, S_IRUGO); |
| 1414 | MODULE_PARM_DESC(power_level, |
| 1415 | "default power save level (range from 1 - 5, default: 1)"); |
Emmanuel Grumbach | c2d2020 | 2014-06-01 08:05:52 +0300 | [diff] [blame] | 1416 | |
| 1417 | module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); |
Emmanuel Grumbach | 6d6a475 | 2014-06-26 09:13:26 +0300 | [diff] [blame] | 1418 | MODULE_PARM_DESC(fw_monitor, |
Emmanuel Grumbach | c2d2020 | 2014-06-01 08:05:52 +0300 | [diff] [blame] | 1419 | "firmware monitor - to debug FW (default: false - needs lots of memory)"); |