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 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 8 | * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 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 | * |
Wey-Yi Guy | 4e31826 | 2011-12-27 11:21:32 -0800 | [diff] [blame] | 33 | * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 34 | * All rights reserved. |
| 35 | * |
| 36 | * Redistribution and use in source and binary forms, with or without |
| 37 | * modification, are permitted provided that the following conditions |
| 38 | * are met: |
| 39 | * |
| 40 | * * Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * * Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in |
| 44 | * the documentation and/or other materials provided with the |
| 45 | * distribution. |
| 46 | * * Neither the name Intel Corporation nor the names of its |
| 47 | * contributors may be used to endorse or promote products derived |
| 48 | * from this software without specific prior written permission. |
| 49 | * |
| 50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 61 | * |
| 62 | *****************************************************************************/ |
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" |
Don Fry | 6516174 | 2012-02-07 15:00:12 -0800 | [diff] [blame^] | 71 | #include "iwl-ucode.h" |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 72 | |
Emmanuel Grumbach | 253a634 | 2011-07-11 07:39:46 -0700 | [diff] [blame] | 73 | /*This file includes the declaration that are exported from the transport |
| 74 | * layer */ |
| 75 | |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 76 | struct iwl_priv; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 77 | struct iwl_shared; |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 78 | |
| 79 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| 80 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| 81 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| 82 | |
| 83 | enum { |
| 84 | CMD_SYNC = 0, |
| 85 | CMD_ASYNC = BIT(0), |
| 86 | CMD_WANT_SKB = BIT(1), |
| 87 | CMD_ON_DEMAND = BIT(2), |
| 88 | }; |
| 89 | |
| 90 | #define DEF_CMD_PAYLOAD_SIZE 320 |
| 91 | |
| 92 | /** |
| 93 | * struct iwl_device_cmd |
| 94 | * |
| 95 | * For allocation of the command and tx queues, this establishes the overall |
| 96 | * size of the largest command we send to uCode, except for commands that |
| 97 | * aren't fully copied and use other TFD space. |
| 98 | */ |
| 99 | struct iwl_device_cmd { |
| 100 | struct iwl_cmd_header hdr; /* uCode API */ |
Emmanuel Grumbach | 132f98c | 2011-09-20 15:37:24 -0700 | [diff] [blame] | 101 | u8 payload[DEF_CMD_PAYLOAD_SIZE]; |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 102 | } __packed; |
| 103 | |
| 104 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) |
| 105 | |
| 106 | #define IWL_MAX_CMD_TFDS 2 |
| 107 | |
| 108 | enum iwl_hcmd_dataflag { |
| 109 | IWL_HCMD_DFL_NOCOPY = BIT(0), |
| 110 | }; |
| 111 | |
| 112 | /** |
| 113 | * struct iwl_host_cmd - Host command to the uCode |
| 114 | * @data: array of chunks that composes the data of the host command |
| 115 | * @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] | 116 | * @handler_status: return value of the handler of the command |
| 117 | * (put in setup_rx_handlers) - valid for SYNC mode only |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 118 | * @callback: |
| 119 | * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC |
| 120 | * @len: array of the lenths of the chunks in data |
| 121 | * @dataflags: |
| 122 | * @id: id of the host command |
| 123 | */ |
| 124 | struct iwl_host_cmd { |
| 125 | const void *data[IWL_MAX_CMD_TFDS]; |
| 126 | unsigned long reply_page; |
Emmanuel Grumbach | 247c61d | 2011-09-20 15:37:23 -0700 | [diff] [blame] | 127 | int handler_status; |
| 128 | |
Emmanuel Grumbach | 522376d | 2011-09-06 09:31:19 -0700 | [diff] [blame] | 129 | u32 flags; |
| 130 | u16 len[IWL_MAX_CMD_TFDS]; |
| 131 | u8 dataflags[IWL_MAX_CMD_TFDS]; |
| 132 | u8 id; |
| 133 | }; |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 134 | |
| 135 | /** |
| 136 | * struct iwl_trans_ops - transport specific operations |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 137 | * @start_hw: starts the HW- from that point on, the HW can send interrupts |
Emmanuel Grumbach | cc56feb | 2012-01-08 13:37:59 +0200 | [diff] [blame] | 138 | * @stop_hw: stops the HW- from that point on, the HW will be in low power but |
| 139 | * will still issue interrupt if the HW RF kill is triggered. |
Emmanuel Grumbach | cf61429 | 2012-01-08 16:33:58 +0200 | [diff] [blame] | 140 | * @start_fw: allocates and inits all the resources for the transport |
| 141 | * layer. Also kick a fw image. This handler may sleep. |
Emmanuel Grumbach | ed6a380 | 2012-01-02 16:10:08 +0200 | [diff] [blame] | 142 | * @fw_alive: called when the fw sends alive notification |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 143 | * @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] | 144 | * @stop_device:stops the whole device (embedded CPU put to reset) |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 145 | * @send_cmd:send a host command |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 146 | * @tx: send an skb |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 147 | * @reclaim: free packet until ssn. Returns a list of freed packets. |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 148 | * @tx_agg_alloc: allocate resources for a TX BA session |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 149 | * @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] | 150 | * ready and a successful ADDBA response has been received. |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 151 | * @tx_agg_disable: de-configure a Tx queue to send AMPDUs |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 152 | * @free: release all the ressource for the transport layer itself such as |
| 153 | * irq, tasklet etc... |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 154 | * @stop_queue: stop a specific queue |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 155 | * @check_stuck_queue: check if a specific queue is stuck |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 156 | * @wait_tx_queue_empty: wait until all tx queues are empty |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 157 | * @dbgfs_register: add the dbgfs files under this directory. Files will be |
| 158 | * automatically deleted. |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 159 | * @suspend: stop the device unless WoWLAN is configured |
| 160 | * @resume: resume activity of the device |
Emmanuel Grumbach | 0390549 | 2012-01-03 13:48:07 +0200 | [diff] [blame] | 161 | * @write8: write a u8 to a register at offset ofs from the BAR |
| 162 | * @write32: write a u32 to a register at offset ofs from the BAR |
| 163 | * @read32: read a u32 register at offset ofs from the BAR |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 164 | */ |
| 165 | struct iwl_trans_ops { |
| 166 | |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 167 | int (*start_hw)(struct iwl_trans *iwl_trans); |
Emmanuel Grumbach | cc56feb | 2012-01-08 13:37:59 +0200 | [diff] [blame] | 168 | void (*stop_hw)(struct iwl_trans *iwl_trans); |
Emmanuel Grumbach | cf61429 | 2012-01-08 16:33:58 +0200 | [diff] [blame] | 169 | int (*start_fw)(struct iwl_trans *trans, struct fw_img *fw); |
Emmanuel Grumbach | ed6a380 | 2012-01-02 16:10:08 +0200 | [diff] [blame] | 170 | void (*fw_alive)(struct iwl_trans *trans); |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 171 | void (*stop_device)(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, |
Emmanuel Grumbach | 34b5321 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 181 | u8 sta_id, u8 tid); |
Emmanuel Grumbach | 76bc10f | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 182 | int (*reclaim)(struct iwl_trans *trans, int sta_id, int tid, |
Emmanuel Grumbach | 464021f | 2011-08-25 23:11:26 -0700 | [diff] [blame] | 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 (*free)(struct iwl_trans *trans); |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 195 | |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 196 | void (*stop_queue)(struct iwl_trans *trans, int q, const char *msg); |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 197 | |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 198 | int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 199 | int (*check_stuck_queue)(struct iwl_trans *trans, int q); |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 200 | int (*wait_tx_queue_empty)(struct iwl_trans *trans); |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 201 | #ifdef CONFIG_PM_SLEEP |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 202 | int (*suspend)(struct iwl_trans *trans); |
| 203 | int (*resume)(struct iwl_trans *trans); |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 204 | #endif |
Emmanuel Grumbach | 0390549 | 2012-01-03 13:48:07 +0200 | [diff] [blame] | 205 | void (*write8)(struct iwl_trans *trans, u32 ofs, u8 val); |
| 206 | void (*write32)(struct iwl_trans *trans, u32 ofs, u32 val); |
| 207 | u32 (*read32)(struct iwl_trans *trans, u32 ofs); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 208 | }; |
| 209 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 210 | /* Opaque calibration results */ |
| 211 | struct iwl_calib_result { |
| 212 | struct list_head list; |
| 213 | size_t cmd_len; |
| 214 | struct iwl_calib_hdr hdr; |
| 215 | /* data follows */ |
| 216 | }; |
| 217 | |
Emmanuel Grumbach | 6fbfae8 | 2011-08-25 23:10:49 -0700 | [diff] [blame] | 218 | /** |
| 219 | * struct iwl_trans - transport common data |
| 220 | * @ops - pointer to iwl_trans_ops |
| 221 | * @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] | 222 | * @hcmd_lock: protects HCMD |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 223 | * @reg_lock - protect hw register access |
Emmanuel Grumbach | a42a184 | 2012-02-02 14:33:08 -0800 | [diff] [blame] | 224 | * @dev - pointer to struct device * that represents the device |
| 225 | * @irq - the irq number for the device |
Emmanuel Grumbach | 99673ee | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 226 | * @hw_id: a u32 with the ID of the device / subdevice. |
| 227 | * Set during transport alloaction. |
Emmanuel Grumbach | 9ca8596 | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 228 | * @hw_id_str: a string with info about HW ID. Set during transport allocation. |
Don Fry | 5703ddb | 2011-11-10 06:55:07 -0800 | [diff] [blame] | 229 | * @ucode_write_complete: indicates that the ucode has been copied. |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 230 | * @ucode_rt: run time ucode image |
| 231 | * @ucode_init: init ucode image |
| 232 | * @ucode_wowlan: wake on wireless ucode image (optional) |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 233 | * @nvm_device_type: indicates OTP or eeprom |
Emmanuel Grumbach | f6d0e9b | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 234 | * @pm_support: set to true in start_hw if link pm is supported |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 235 | * @calib_results: list head for init calibration results |
Emmanuel Grumbach | 6fbfae8 | 2011-08-25 23:10:49 -0700 | [diff] [blame] | 236 | */ |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 237 | struct iwl_trans { |
| 238 | const struct iwl_trans_ops *ops; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 239 | struct iwl_shared *shrd; |
Emmanuel Grumbach | 7201247 | 2011-08-25 23:11:07 -0700 | [diff] [blame] | 240 | spinlock_t hcmd_lock; |
Emmanuel Grumbach | 1042db2 | 2012-01-03 16:56:15 +0200 | [diff] [blame] | 241 | spinlock_t reg_lock; |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 242 | |
Emmanuel Grumbach | a42a184 | 2012-02-02 14:33:08 -0800 | [diff] [blame] | 243 | struct device *dev; |
| 244 | unsigned int irq; |
Emmanuel Grumbach | 08079a49 | 2012-01-09 16:23:00 +0200 | [diff] [blame] | 245 | u32 hw_rev; |
Emmanuel Grumbach | 99673ee | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 246 | u32 hw_id; |
Emmanuel Grumbach | 9ca8596 | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 247 | char hw_id_str[52]; |
Emmanuel Grumbach | a42a184 | 2012-02-02 14:33:08 -0800 | [diff] [blame] | 248 | |
Don Fry | 5703ddb | 2011-11-10 06:55:07 -0800 | [diff] [blame] | 249 | u8 ucode_write_complete; /* the image write is complete */ |
| 250 | |
Don Fry | 97b52cf | 2011-11-10 06:55:27 -0800 | [diff] [blame] | 251 | /* eeprom related variables */ |
| 252 | int nvm_device_type; |
Emmanuel Grumbach | f6d0e9b | 2012-01-08 21:19:45 +0200 | [diff] [blame] | 253 | bool pm_support; |
Don Fry | 97b52cf | 2011-11-10 06:55:27 -0800 | [diff] [blame] | 254 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 255 | /* init calibration results */ |
| 256 | struct list_head calib_results; |
| 257 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 258 | /* pointer to trans specific struct */ |
| 259 | /*Ensure that this pointer will always be aligned to sizeof pointer */ |
| 260 | char trans_specific[0] __attribute__((__aligned__(sizeof(void *)))); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 261 | }; |
| 262 | |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 263 | static inline int iwl_trans_start_hw(struct iwl_trans *trans) |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 264 | { |
Emmanuel Grumbach | 57a1dc8 | 2012-01-08 13:22:16 +0200 | [diff] [blame] | 265 | return trans->ops->start_hw(trans); |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 266 | } |
| 267 | |
Emmanuel Grumbach | cc56feb | 2012-01-08 13:37:59 +0200 | [diff] [blame] | 268 | static inline void iwl_trans_stop_hw(struct iwl_trans *trans) |
| 269 | { |
| 270 | trans->ops->stop_hw(trans); |
| 271 | } |
| 272 | |
Emmanuel Grumbach | ed6a380 | 2012-01-02 16:10:08 +0200 | [diff] [blame] | 273 | static inline void iwl_trans_fw_alive(struct iwl_trans *trans) |
| 274 | { |
| 275 | trans->ops->fw_alive(trans); |
| 276 | } |
| 277 | |
Emmanuel Grumbach | cf61429 | 2012-01-08 16:33:58 +0200 | [diff] [blame] | 278 | static inline int iwl_trans_start_fw(struct iwl_trans *trans, struct fw_img *fw) |
Emmanuel Grumbach | 0286cee | 2011-07-10 15:39:57 +0300 | [diff] [blame] | 279 | { |
Emmanuel Grumbach | cf61429 | 2012-01-08 16:33:58 +0200 | [diff] [blame] | 280 | might_sleep(); |
| 281 | |
| 282 | return trans->ops->start_fw(trans, fw); |
Emmanuel Grumbach | 0286cee | 2011-07-10 15:39:57 +0300 | [diff] [blame] | 283 | } |
| 284 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 285 | static inline void iwl_trans_stop_device(struct iwl_trans *trans) |
Emmanuel Grumbach | b3c2ce1 | 2011-07-07 15:50:10 +0300 | [diff] [blame] | 286 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 287 | trans->ops->stop_device(trans); |
Emmanuel Grumbach | b3c2ce1 | 2011-07-07 15:50:10 +0300 | [diff] [blame] | 288 | } |
| 289 | |
Emmanuel Grumbach | 14991a9 | 2011-09-15 11:46:32 -0700 | [diff] [blame] | 290 | static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 291 | enum iwl_rxon_context_id ctx, |
| 292 | const char *msg) |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 293 | { |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 294 | trans->ops->wake_any_queue(trans, ctx, msg); |
Emmanuel Grumbach | e13c0c5 | 2011-08-25 23:11:24 -0700 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 298 | static inline int iwl_trans_send_cmd(struct iwl_trans *trans, |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 299 | struct iwl_host_cmd *cmd) |
| 300 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 301 | return trans->ops->send_cmd(trans, cmd); |
Emmanuel Grumbach | bdfbf09 | 2011-07-08 08:46:16 -0700 | [diff] [blame] | 302 | } |
| 303 | |
Johannes Berg | 370ad31 | 2011-09-15 11:46:43 -0700 | [diff] [blame] | 304 | int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, |
| 305 | u32 flags, u16 len, const void *data); |
Emmanuel Grumbach | c85eb61 | 2011-06-14 10:13:24 +0300 | [diff] [blame] | 306 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 307 | 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] | 308 | struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx, |
Emmanuel Grumbach | 34b5321 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 309 | u8 sta_id, u8 tid) |
Emmanuel Grumbach | 47c1b49 | 2011-07-03 11:22:15 +0300 | [diff] [blame] | 310 | { |
Emmanuel Grumbach | 34b5321 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 311 | return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id, tid); |
Emmanuel Grumbach | 47c1b49 | 2011-07-03 11:22:15 +0300 | [diff] [blame] | 312 | } |
| 313 | |
Emmanuel Grumbach | 76bc10f | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 314 | static inline int iwl_trans_reclaim(struct iwl_trans *trans, int sta_id, |
Emmanuel Grumbach | 464021f | 2011-08-25 23:11:26 -0700 | [diff] [blame] | 315 | int tid, int txq_id, int ssn, u32 status, |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 316 | struct sk_buff_head *skbs) |
| 317 | { |
Emmanuel Grumbach | 76bc10f | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 318 | return trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, |
| 319 | status, skbs); |
Emmanuel Grumbach | a0eaad7 | 2011-08-25 23:11:00 -0700 | [diff] [blame] | 320 | } |
| 321 | |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 322 | static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans, |
Emmanuel Grumbach | 7f01d56 | 2011-08-25 23:11:27 -0700 | [diff] [blame] | 323 | int sta_id, int tid) |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 324 | { |
Emmanuel Grumbach | bc23773 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 325 | return trans->ops->tx_agg_disable(trans, sta_id, tid); |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 326 | } |
| 327 | |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 328 | static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans, |
Emmanuel Grumbach | 3c69b59 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 329 | int sta_id, int tid) |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 330 | { |
Emmanuel Grumbach | 3c69b59 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 331 | return trans->ops->tx_agg_alloc(trans, sta_id, tid); |
Emmanuel Grumbach | 288712a | 2011-08-25 23:11:25 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | |
Emmanuel Grumbach | c91bd12 | 2011-08-25 23:11:28 -0700 | [diff] [blame] | 335 | static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, |
Emmanuel Grumbach | ba562f7 | 2011-08-25 23:11:22 -0700 | [diff] [blame] | 336 | enum iwl_rxon_context_id ctx, |
| 337 | int sta_id, int tid, |
Emmanuel Grumbach | 822e8b2 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 338 | int frame_limit, u16 ssn) |
Emmanuel Grumbach | 48d42c4 | 2011-07-10 10:47:01 +0300 | [diff] [blame] | 339 | { |
Emmanuel Grumbach | 822e8b2 | 2011-11-21 13:25:31 +0200 | [diff] [blame] | 340 | 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] | 341 | } |
| 342 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 343 | static inline void iwl_trans_free(struct iwl_trans *trans) |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 344 | { |
Emmanuel Grumbach | 6d8f6ee | 2011-08-25 23:11:06 -0700 | [diff] [blame] | 345 | trans->ops->free(trans); |
Emmanuel Grumbach | 34c1b7b | 2011-07-04 08:58:19 +0300 | [diff] [blame] | 346 | } |
| 347 | |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 348 | static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q, |
| 349 | const char *msg) |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 350 | { |
Emmanuel Grumbach | 81a3de1 | 2011-11-10 06:55:24 -0800 | [diff] [blame] | 351 | trans->ops->stop_queue(trans, q, msg); |
Emmanuel Grumbach | e20d4341 | 2011-08-25 23:11:31 -0700 | [diff] [blame] | 352 | } |
| 353 | |
Emmanuel Grumbach | 5f178cd | 2011-08-25 23:11:29 -0700 | [diff] [blame] | 354 | static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) |
| 355 | { |
| 356 | return trans->ops->wait_tx_queue_empty(trans); |
| 357 | } |
| 358 | |
Emmanuel Grumbach | f22be62 | 2011-08-25 23:11:30 -0700 | [diff] [blame] | 359 | static inline int iwl_trans_check_stuck_queue(struct iwl_trans *trans, int q) |
| 360 | { |
| 361 | return trans->ops->check_stuck_queue(trans, q); |
| 362 | } |
Emmanuel Grumbach | 87e5666 | 2011-08-25 23:10:50 -0700 | [diff] [blame] | 363 | static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans, |
| 364 | struct dentry *dir) |
| 365 | { |
| 366 | return trans->ops->dbgfs_register(trans, dir); |
| 367 | } |
| 368 | |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 369 | #ifdef CONFIG_PM_SLEEP |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 370 | static inline int iwl_trans_suspend(struct iwl_trans *trans) |
| 371 | { |
| 372 | return trans->ops->suspend(trans); |
| 373 | } |
| 374 | |
| 375 | static inline int iwl_trans_resume(struct iwl_trans *trans) |
| 376 | { |
| 377 | return trans->ops->resume(trans); |
| 378 | } |
Johannes Berg | c01a404 | 2011-09-15 11:46:45 -0700 | [diff] [blame] | 379 | #endif |
Emmanuel Grumbach | 57210f7 | 2011-08-25 23:10:52 -0700 | [diff] [blame] | 380 | |
Emmanuel Grumbach | 0390549 | 2012-01-03 13:48:07 +0200 | [diff] [blame] | 381 | static inline void iwl_trans_write8(struct iwl_trans *trans, u32 ofs, u8 val) |
| 382 | { |
| 383 | trans->ops->write8(trans, ofs, val); |
| 384 | } |
| 385 | |
| 386 | static inline void iwl_trans_write32(struct iwl_trans *trans, u32 ofs, u32 val) |
| 387 | { |
| 388 | trans->ops->write32(trans, ofs, val); |
| 389 | } |
| 390 | |
| 391 | static inline u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs) |
| 392 | { |
| 393 | return trans->ops->read32(trans, ofs); |
| 394 | } |
| 395 | |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 396 | /***************************************************** |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 397 | * Utils functions |
Emmanuel Grumbach | e6bb4c9 | 2011-08-25 23:10:48 -0700 | [diff] [blame] | 398 | ******************************************************/ |
Don Fry | de7f5f9 | 2011-11-10 06:55:10 -0800 | [diff] [blame] | 399 | void iwl_dealloc_ucode(struct iwl_trans *trans); |
| 400 | |
Don Fry | 45c30db | 2011-11-30 16:58:39 -0800 | [diff] [blame] | 401 | int iwl_send_calib_results(struct iwl_trans *trans); |
| 402 | int iwl_calib_set(struct iwl_trans *trans, |
| 403 | const struct iwl_calib_hdr *cmd, int len); |
| 404 | void iwl_calib_free_results(struct iwl_trans *trans); |
| 405 | |
Emmanuel Grumbach | b52e7ea | 2012-02-02 14:16:59 -0800 | [diff] [blame] | 406 | /***************************************************** |
| 407 | * Transport layers implementations + their allocation function |
| 408 | ******************************************************/ |
| 409 | struct pci_dev; |
| 410 | struct pci_device_id; |
| 411 | extern const struct iwl_trans_ops trans_ops_pcie; |
| 412 | struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd, |
| 413 | struct pci_dev *pdev, |
| 414 | const struct pci_device_id *ent); |
| 415 | |
| 416 | extern const struct iwl_trans_ops trans_ops_idi; |
| 417 | struct iwl_trans *iwl_trans_idi_alloc(struct iwl_shared *shrd, |
| 418 | void *pdev_void, |
| 419 | const void *ent_void); |
Emmanuel Grumbach | 41c5054 | 2011-07-11 08:51:04 +0300 | [diff] [blame] | 420 | #endif /* __iwl_trans_h__ */ |