Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [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 | * |
| 8 | * Copyright(c) 2007 - 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. |
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| 36 | * Redistribution and use in source and binary forms, with or without |
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| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * * Redistributions in binary form must reproduce the above copyright |
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| 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 |
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| 56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 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 | *****************************************************************************/ |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 63 | #ifndef __iwl_trans_h__ |
| 64 | #define __iwl_trans_h__ |
Emmanuel Grumbach | 253a634 | 2011-07-11 07:39:46 -0700 | [diff] [blame] | 65 | |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 66 | #include <linux/debugfs.h> |
Emmanuel Grumbach | a72b8b0 | 2011-08-25 23:11:13 -0700 | [diff] [blame] | 67 | #include <linux/skbuff.h> |
| 68 | |
| 69 | #include "iwl-shared.h" |
| 70 | #include "iwl-commands.h" |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 71 | |
Emmanuel Grumbach | 253a634 | 2011-07-11 07:39:46 -0700 | [diff] [blame] | 72 | /*This file includes the declaration that are exported from the transport |
| 73 | * layer */ |
| 74 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 75 | struct iwl_priv; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 76 | struct iwl_shared; |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 77 | |
| 78 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| 79 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| 80 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| 81 | |
| 82 | enum { |
| 83 | CMD_SYNC = 0, |
| 84 | CMD_ASYNC = BIT(0), |
| 85 | CMD_WANT_SKB = BIT(1), |
| 86 | CMD_ON_DEMAND = BIT(2), |
| 87 | }; |
| 88 | |
| 89 | #define DEF_CMD_PAYLOAD_SIZE 320 |
| 90 | |
| 91 | /** |
| 92 | * struct iwl_device_cmd |
| 93 | * |
| 94 | * For allocation of the command and tx queues, this establishes the overall |
| 95 | * size of the largest command we send to uCode, except for commands that |
| 96 | * aren't fully copied and use other TFD space. |
| 97 | */ |
| 98 | struct iwl_device_cmd { |
| 99 | struct iwl_cmd_header hdr; /* uCode API */ |
Emmanuel Grumbach | 132f98c | 2011-09-20 15:37:24 -0700 | [diff] [blame] | 100 | u8 payload[DEF_CMD_PAYLOAD_SIZE]; |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 101 | } __packed; |
| 102 | |
| 103 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) |
| 104 | |
| 105 | #define IWL_MAX_CMD_TFDS 2 |
| 106 | |
| 107 | enum iwl_hcmd_dataflag { |
| 108 | IWL_HCMD_DFL_NOCOPY = BIT(0), |
| 109 | }; |
| 110 | |
| 111 | /** |
| 112 | * struct iwl_host_cmd - Host command to the uCode |
| 113 | * @data: array of chunks that composes the data of the host command |
| 114 | * @reply_page: pointer to the page that holds the response to the host command |
Emmanuel Grumbach | 247c61d | 2011-09-20 15:37:23 -0700 | [diff] [blame] | 115 | * @handler_status: return value of the handler of the command |
| 116 | * (put in setup_rx_handlers) - valid for SYNC mode only |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 117 | * @callback: |
| 118 | * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC |
| 119 | * @len: array of the lenths of the chunks in data |
| 120 | * @dataflags: |
| 121 | * @id: id of the host command |
| 122 | */ |
| 123 | struct iwl_host_cmd { |
| 124 | const void *data[IWL_MAX_CMD_TFDS]; |
| 125 | unsigned long reply_page; |
Emmanuel Grumbach | 247c61d | 2011-09-20 15:37:23 -0700 | [diff] [blame] | 126 | int handler_status; |
| 127 | |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 128 | u32 flags; |
| 129 | u16 len[IWL_MAX_CMD_TFDS]; |
| 130 | u8 dataflags[IWL_MAX_CMD_TFDS]; |
| 131 | u8 id; |
| 132 | }; |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 133 | |
| 134 | /** |
| 135 | * struct iwl_trans_ops - transport specific operations |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 136 | * @alloc: allocates the meta data (not the queues themselves) |
| 137 | * @request_irq: requests IRQ - will be called before the FW load in probe flow |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 138 | * @start_device: allocates and inits all the resources for the transport |
| 139 | * layer. |
| 140 | * @prepare_card_hw: claim the ownership on the HW. Will be called during |
| 141 | * probe. |
| 142 | * @tx_start: starts and configures all the Tx fifo - usually done once the fw |
| 143 | * is alive. |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 144 | * @wake_any_queue: wake all the queues of a specfic context IWL_RXON_CTX_* |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 145 | * @stop_device:stops the whole device (embedded CPU put to reset) |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 146 | * @send_cmd:send a host command |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 147 | * @tx: send an skb |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 148 | * @reclaim: free packet until ssn. Returns a list of freed packets. |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 149 | * @tx_agg_alloc: allocate resources for a TX BA session |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 150 | * @tx_agg_setup: setup a tx queue for AMPDU - will be called once the HW is |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 151 | * ready and a successful ADDBA response has been received. |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 152 | * @tx_agg_disable: de-configure a Tx queue to send AMPDUs |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 153 | * @kick_nic: remove the RESET from the embedded CPU and let it run |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 154 | * @free: release all the ressource for the transport layer itself such as |
| 155 | * irq, tasklet etc... |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 156 | * @stop_queue: stop a specific queue |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 157 | * @check_stuck_queue: check if a specific queue is stuck |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 158 | * @wait_tx_queue_empty: wait until all tx queues are empty |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 159 | * @dbgfs_register: add the dbgfs files under this directory. Files will be |
| 160 | * automatically deleted. |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 161 | * @suspend: stop the device unless WoWLAN is configured |
| 162 | * @resume: resume activity of the device |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 163 | */ |
| 164 | struct iwl_trans_ops { |
| 165 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 166 | struct iwl_trans *(*alloc)(struct iwl_shared *shrd); |
| 167 | int (*request_irq)(struct iwl_trans *iwl_trans); |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 168 | int (*start_device)(struct iwl_trans *trans); |
| 169 | int (*prepare_card_hw)(struct iwl_trans *trans); |
| 170 | void (*stop_device)(struct iwl_trans *trans); |
| 171 | void (*tx_start)(struct iwl_trans *trans); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 172 | |
Emmanuel Grumbach | 14991a9 | 2011-09-15 11:46:32 -0700 | [diff] [blame] | 173 | void (*wake_any_queue)(struct iwl_trans *trans, |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 174 | enum iwl_rxon_context_id ctx, |
| 175 | const char *msg); |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 176 | |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 177 | int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 178 | |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 179 | int (*tx)(struct iwl_trans *trans, struct sk_buff *skb, |
Emmanuel Grumbach | 14991a9 | 2011-09-15 11:46:32 -0700 | [diff] [blame] | 180 | struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx, |
| 181 | u8 sta_id); |
Emmanuel Grumbach | 464021f | 2011-08-25 23:11:26 -0700 | [diff] [blame] | 182 | void (*reclaim)(struct iwl_trans *trans, int sta_id, int tid, |
| 183 | int txq_id, int ssn, u32 status, |
| 184 | struct sk_buff_head *skbs); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 185 | |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 186 | int (*tx_agg_disable)(struct iwl_trans *trans, |
Emmanuel Grumbach | bc23773 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 187 | int sta_id, int tid); |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 188 | int (*tx_agg_alloc)(struct iwl_trans *trans, |
Emmanuel Grumbach | 3c69b59 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 189 | int sta_id, int tid); |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 190 | void (*tx_agg_setup)(struct iwl_trans *trans, |
| 191 | enum iwl_rxon_context_id ctx, int sta_id, int tid, |
Emmanuel Grumbach | 822e8b2 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 192 | int frame_limit, u16 ssn); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 193 | |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 194 | void (*kick_nic)(struct iwl_trans *trans); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 195 | |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 196 | void (*free)(struct iwl_trans *trans); |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 197 | |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 198 | void (*stop_queue)(struct iwl_trans *trans, int q, const char *msg); |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 199 | |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 200 | int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 201 | int (*check_stuck_queue)(struct iwl_trans *trans, int q); |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 202 | int (*wait_tx_queue_empty)(struct iwl_trans *trans); |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 203 | #ifdef CONFIG_PM_SLEEP |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 204 | int (*suspend)(struct iwl_trans *trans); |
| 205 | int (*resume)(struct iwl_trans *trans); |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 206 | #endif |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 207 | }; |
| 208 | |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 209 | /* one for each uCode image (inst/data, boot/init/runtime) */ |
| 210 | struct fw_desc { |
| 211 | dma_addr_t p_addr; /* hardware address */ |
| 212 | void *v_addr; /* software address */ |
| 213 | u32 len; /* size in bytes */ |
| 214 | }; |
| 215 | |
| 216 | struct fw_img { |
| 217 | struct fw_desc code; /* firmware code image */ |
| 218 | struct fw_desc data; /* firmware data image */ |
| 219 | }; |
| 220 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 221 | /* Opaque calibration results */ |
| 222 | struct iwl_calib_result { |
| 223 | struct list_head list; |
| 224 | size_t cmd_len; |
| 225 | struct iwl_calib_hdr hdr; |
| 226 | /* data follows */ |
| 227 | }; |
| 228 | |
Emmanuel Grumbach | 6fbfae8 | 2011-08-25 23:10:49 -0700 | [diff] [blame] | 229 | /** |
| 230 | * struct iwl_trans - transport common data |
| 231 | * @ops - pointer to iwl_trans_ops |
| 232 | * @shrd - pointer to iwl_shared which holds shared data from the upper layer |
Emmanuel Grumbach | 7201247 | 2011-08-25 23:11:07 -0700 | [diff] [blame] | 233 | * @hcmd_lock: protects HCMD |
Don Fry | 5703ddb | 2011-11-10 06:55:07 -0800 | [diff] [blame] | 234 | * @ucode_write_complete: indicates that the ucode has been copied. |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 235 | * @ucode_rt: run time ucode image |
| 236 | * @ucode_init: init ucode image |
| 237 | * @ucode_wowlan: wake on wireless ucode image (optional) |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 238 | * @nvm_device_type: indicates OTP or eeprom |
| 239 | * @calib_results: list head for init calibration results |
Emmanuel Grumbach | 6fbfae8 | 2011-08-25 23:10:49 -0700 | [diff] [blame] | 240 | */ |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 241 | struct iwl_trans { |
| 242 | const struct iwl_trans_ops *ops; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 243 | struct iwl_shared *shrd; |
Emmanuel Grumbach | 7201247 | 2011-08-25 23:11:07 -0700 | [diff] [blame] | 244 | spinlock_t hcmd_lock; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 245 | |
Don Fry | 5703ddb | 2011-11-10 06:55:07 -0800 | [diff] [blame] | 246 | u8 ucode_write_complete; /* the image write is complete */ |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 247 | struct fw_img ucode_rt; |
| 248 | struct fw_img ucode_init; |
| 249 | struct fw_img ucode_wowlan; |
Don Fry | 5703ddb | 2011-11-10 06:55:07 -0800 | [diff] [blame] | 250 | |
Don Fry | 97b52cf | 2011-11-10 06:55:27 -0800 | [diff] [blame] | 251 | /* eeprom related variables */ |
| 252 | int nvm_device_type; |
| 253 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 254 | /* init calibration results */ |
| 255 | struct list_head calib_results; |
| 256 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 257 | /* pointer to trans specific struct */ |
| 258 | /*Ensure that this pointer will always be aligned to sizeof pointer */ |
| 259 | char trans_specific[0] __attribute__((__aligned__(sizeof(void *)))); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 260 | }; |
| 261 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 262 | static inline int iwl_trans_request_irq(struct iwl_trans *trans) |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 263 | { |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 264 | return trans->ops->request_irq(trans); |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 265 | } |
| 266 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 267 | static inline int iwl_trans_start_device(struct iwl_trans *trans) |
Emmanuel Grumbach | 0286cee | 2011-07-10 15:39:57 +0300 | [diff] [blame] | 268 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 269 | return trans->ops->start_device(trans); |
Emmanuel Grumbach | 0286cee | 2011-07-10 15:39:57 +0300 | [diff] [blame] | 270 | } |
| 271 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 272 | static inline int iwl_trans_prepare_card_hw(struct iwl_trans *trans) |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 273 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 274 | return trans->ops->prepare_card_hw(trans); |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 275 | } |
| 276 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 277 | static inline void iwl_trans_stop_device(struct iwl_trans *trans) |
Emmanuel Grumbach | b3c2ce1 | 2011-07-07 15:50:10 +0300 | [diff] [blame] | 278 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 279 | trans->ops->stop_device(trans); |
Emmanuel Grumbach | b3c2ce1 | 2011-07-07 15:50:10 +0300 | [diff] [blame] | 280 | } |
| 281 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 282 | static inline void iwl_trans_tx_start(struct iwl_trans *trans) |
Emmanuel Grumbach | 392f8b7 | 2011-07-10 15:30:15 +0300 | [diff] [blame] | 283 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 284 | trans->ops->tx_start(trans); |
Emmanuel Grumbach | 392f8b7 | 2011-07-10 15:30:15 +0300 | [diff] [blame] | 285 | } |
| 286 | |
Emmanuel Grumbach | 14991a9 | 2011-09-15 11:46:32 -0700 | [diff] [blame] | 287 | static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 288 | enum iwl_rxon_context_id ctx, |
| 289 | const char *msg) |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 290 | { |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 291 | trans->ops->wake_any_queue(trans, ctx, msg); |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 295 | static inline int iwl_trans_send_cmd(struct iwl_trans *trans, |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 296 | struct iwl_host_cmd *cmd) |
| 297 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 298 | return trans->ops->send_cmd(trans, cmd); |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 299 | } |
| 300 | |
Johannes Berg | 370ad31 | 2011-09-15 11:46:43 -0700 | [diff] [blame] | 301 | int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, |
| 302 | u32 flags, u16 len, const void *data); |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 303 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 304 | static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, |
Emmanuel Grumbach | 14991a9 | 2011-09-15 11:46:32 -0700 | [diff] [blame] | 305 | struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx, |
| 306 | u8 sta_id) |
Emmanuel Grumbach | 47c1b49 | 2011-07-03 11:22:15 +0300 | [diff] [blame] | 307 | { |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 308 | return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id); |
Emmanuel Grumbach | 47c1b49 | 2011-07-03 11:22:15 +0300 | [diff] [blame] | 309 | } |
| 310 | |
Emmanuel Grumbach | 464021f | 2011-08-25 23:11:26 -0700 | [diff] [blame] | 311 | static inline void iwl_trans_reclaim(struct iwl_trans *trans, int sta_id, |
| 312 | int tid, int txq_id, int ssn, u32 status, |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 313 | struct sk_buff_head *skbs) |
| 314 | { |
Emmanuel Grumbach | 464021f | 2011-08-25 23:11:26 -0700 | [diff] [blame] | 315 | trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, status, skbs); |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 316 | } |
| 317 | |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 318 | static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans, |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 319 | int sta_id, int tid) |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 320 | { |
Emmanuel Grumbach | bc23773 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 321 | return trans->ops->tx_agg_disable(trans, sta_id, tid); |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 322 | } |
| 323 | |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 324 | static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans, |
Emmanuel Grumbach | 3c69b59 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 325 | int sta_id, int tid) |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 326 | { |
Emmanuel Grumbach | 3c69b59 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 327 | return trans->ops->tx_agg_alloc(trans, sta_id, tid); |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 331 | static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, |
Emmanuel Grumbach | ba562f7 | 2011-08-25 23:11:22 -0700 | [diff] [blame] | 332 | enum iwl_rxon_context_id ctx, |
| 333 | int sta_id, int tid, |
Emmanuel Grumbach | 822e8b2 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 334 | int frame_limit, u16 ssn) |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 335 | { |
Emmanuel Grumbach | 822e8b2 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 336 | trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit, ssn); |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 337 | } |
| 338 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 339 | static inline void iwl_trans_kick_nic(struct iwl_trans *trans) |
Emmanuel Grumbach | 56d90f4 | 2011-07-07 18:20:01 +0300 | [diff] [blame] | 340 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 341 | trans->ops->kick_nic(trans); |
Emmanuel Grumbach | 56d90f4 | 2011-07-07 18:20:01 +0300 | [diff] [blame] | 342 | } |
| 343 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 344 | static inline void iwl_trans_free(struct iwl_trans *trans) |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 345 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 346 | trans->ops->free(trans); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 347 | } |
| 348 | |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 349 | static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q, |
| 350 | const char *msg) |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 351 | { |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 352 | trans->ops->stop_queue(trans, q, msg); |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 355 | static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) |
| 356 | { |
| 357 | return trans->ops->wait_tx_queue_empty(trans); |
| 358 | } |
| 359 | |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 360 | static inline int iwl_trans_check_stuck_queue(struct iwl_trans *trans, int q) |
| 361 | { |
| 362 | return trans->ops->check_stuck_queue(trans, q); |
| 363 | } |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 364 | static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans, |
| 365 | struct dentry *dir) |
| 366 | { |
| 367 | return trans->ops->dbgfs_register(trans, dir); |
| 368 | } |
| 369 | |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 370 | #ifdef CONFIG_PM_SLEEP |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 371 | static inline int iwl_trans_suspend(struct iwl_trans *trans) |
| 372 | { |
| 373 | return trans->ops->suspend(trans); |
| 374 | } |
| 375 | |
| 376 | static inline int iwl_trans_resume(struct iwl_trans *trans) |
| 377 | { |
| 378 | return trans->ops->resume(trans); |
| 379 | } |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 380 | #endif |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 381 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 382 | /***************************************************** |
| 383 | * Transport layers implementations |
| 384 | ******************************************************/ |
| 385 | extern const struct iwl_trans_ops trans_ops_pcie; |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 386 | |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 387 | int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, |
| 388 | const void *data, size_t len); |
| 389 | void iwl_dealloc_ucode(struct iwl_trans *trans); |
| 390 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 391 | int iwl_send_calib_results(struct iwl_trans *trans); |
| 392 | int iwl_calib_set(struct iwl_trans *trans, |
| 393 | const struct iwl_calib_hdr *cmd, int len); |
| 394 | void iwl_calib_free_results(struct iwl_trans *trans); |
| 395 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 396 | #endif /* __iwl_trans_h__ */ |