Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Sarada Prasanna Garnayak | e172263 | 2017-01-05 15:27:15 +0530 | [diff] [blame] | 2 | * Copyright (c) 2015-2017 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | #include <linux/platform_device.h> |
| 29 | #include <linux/pci.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 30 | #include "cds_api.h" |
Anurag Chouhan | ce0dc99 | 2016-02-16 18:18:03 +0530 | [diff] [blame] | 31 | #include "qdf_status.h" |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 32 | #include "qdf_lock.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 33 | #include "cds_sched.h" |
| 34 | #include "osdep.h" |
| 35 | #include "hif.h" |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 36 | #include "htc.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 37 | #include "epping_main.h" |
| 38 | #include "wlan_hdd_main.h" |
| 39 | #include "wlan_hdd_power.h" |
| 40 | #include "wlan_logging_sock_svc.h" |
| 41 | #include "wma_api.h" |
| 42 | #include "wlan_hdd_napi.h" |
Tushnim Bhattacharyya | 9028cc7 | 2017-03-09 13:10:49 -0800 | [diff] [blame] | 43 | #include "wlan_policy_mgr_api.h" |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 44 | #include "qwlan_version.h" |
Komal Seelam | d910649 | 2016-02-15 10:31:44 +0530 | [diff] [blame] | 45 | #include "bmi.h" |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 46 | #include "cdp_txrx_bus.h" |
Sarada Prasanna Garnayak | e172263 | 2017-01-05 15:27:15 +0530 | [diff] [blame] | 47 | #include "cdp_txrx_misc.h" |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 48 | #include "pld_common.h" |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 49 | #include "wlan_hdd_driver_ops.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 50 | |
| 51 | #ifdef MODULE |
| 52 | #define WLAN_MODULE_NAME module_name(THIS_MODULE) |
| 53 | #else |
| 54 | #define WLAN_MODULE_NAME "wlan" |
| 55 | #endif |
| 56 | |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 57 | #define DISABLE_KRAIT_IDLE_PS_VAL 1 |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 58 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 59 | #define SSR_MAX_FAIL_CNT 2 |
| 60 | static uint8_t re_init_fail_cnt, probe_fail_cnt; |
| 61 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 62 | /* |
| 63 | * In BMI Phase we are only sending small chunk (256 bytes) of the FW image at |
| 64 | * a time, and wait for the completion interrupt to start the next transfer. |
| 65 | * During this phase, the KRAIT is entering IDLE/StandAlone(SA) Power Save(PS). |
| 66 | * The delay incurred for resuming from IDLE/SA PS is huge during driver load. |
| 67 | * So prevent APPS IDLE/SA PS durint driver load for reducing interrupt latency. |
| 68 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 69 | |
| 70 | static inline void hdd_request_pm_qos(struct device *dev, int val) |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 71 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 72 | pld_request_pm_qos(dev, val); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 73 | } |
| 74 | |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 75 | static inline void hdd_remove_pm_qos(struct device *dev) |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 76 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 77 | pld_remove_pm_qos(dev); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 78 | } |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 79 | |
| 80 | /** |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 81 | * hdd_set_recovery_in_progress() - API to set recovery in progress |
| 82 | * @data: Context |
| 83 | * @val: Value to set |
| 84 | * |
| 85 | * Return: None |
| 86 | */ |
| 87 | static void hdd_set_recovery_in_progress(void *data, uint8_t val) |
| 88 | { |
| 89 | cds_set_recovery_in_progress(val); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * hdd_is_driver_unloading() - API to query if driver is unloading |
| 94 | * @data: Private Data |
| 95 | * |
| 96 | * Return: True/False |
| 97 | */ |
| 98 | static bool hdd_is_driver_unloading(void *data) |
| 99 | { |
| 100 | return cds_is_driver_unloading(); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * hdd_is_load_or_unload_in_progress() - API to query if driver is |
| 105 | * loading/unloading |
| 106 | * @data: Private Data |
| 107 | * |
| 108 | * Return: bool |
| 109 | */ |
| 110 | static bool hdd_is_load_or_unload_in_progress(void *data) |
| 111 | { |
| 112 | return cds_is_load_or_unload_in_progress(); |
| 113 | } |
| 114 | |
| 115 | /** |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 116 | * hdd_is_recovery_in_progress() - API to query if recovery in progress |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 117 | * @data: Private Data |
| 118 | * |
| 119 | * Return: bool |
| 120 | */ |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 121 | static bool hdd_is_recovery_in_progress(void *data) |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 122 | { |
| 123 | return cds_is_driver_recovering(); |
| 124 | } |
| 125 | |
| 126 | /** |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 127 | * hdd_hif_init_driver_state_callbacks() - API to initialize HIF callbacks |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 128 | * @data: Private Data |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 129 | * @cbk: HIF Driver State callbacks |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 130 | * |
| 131 | * HIF should be independent of CDS calls. Pass CDS Callbacks to HIF, HIF will |
| 132 | * call the callbacks. |
| 133 | * |
| 134 | * Return: void |
| 135 | */ |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 136 | static void hdd_hif_init_driver_state_callbacks(void *data, |
| 137 | struct hif_driver_state_callbacks *cbk) |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 138 | { |
| 139 | cbk->context = data; |
| 140 | cbk->set_recovery_in_progress = hdd_set_recovery_in_progress; |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 141 | cbk->is_recovery_in_progress = hdd_is_recovery_in_progress; |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 142 | cbk->is_load_unload_in_progress = hdd_is_load_or_unload_in_progress; |
| 143 | cbk->is_driver_unloading = hdd_is_driver_unloading; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * hdd_init_cds_hif_context() - API to set CDS HIF Context |
| 148 | * @hif: HIF Context |
| 149 | * |
| 150 | * Return: success/failure |
| 151 | */ |
| 152 | static int hdd_init_cds_hif_context(void *hif) |
| 153 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 154 | QDF_STATUS status; |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 155 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 156 | status = cds_set_context(QDF_MODULE_ID_HIF, hif); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 157 | |
| 158 | if (status) |
| 159 | return -ENOENT; |
| 160 | |
| 161 | return 0; |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * hdd_deinit_cds_hif_context() - API to clear CDS HIF COntext |
| 166 | * |
| 167 | * Return: None |
| 168 | */ |
| 169 | static void hdd_deinit_cds_hif_context(void) |
| 170 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 171 | QDF_STATUS status; |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 172 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 173 | status = cds_set_context(QDF_MODULE_ID_HIF, NULL); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 174 | |
| 175 | if (status) |
| 176 | hdd_err("Failed to reset CDS HIF Context"); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 180 | * to_bus_type() - Map PLD bus type to low level bus type |
| 181 | * @bus_type: PLD bus type |
| 182 | * |
| 183 | * Map PLD bus type to low level bus type. |
| 184 | * |
| 185 | * Return: low level bus type. |
| 186 | */ |
| 187 | static enum qdf_bus_type to_bus_type(enum pld_bus_type bus_type) |
| 188 | { |
| 189 | switch (bus_type) { |
| 190 | case PLD_BUS_TYPE_PCIE: |
| 191 | return QDF_BUS_TYPE_PCI; |
| 192 | case PLD_BUS_TYPE_SNOC: |
| 193 | return QDF_BUS_TYPE_SNOC; |
Poddar, Siddarth | 3e9fa5c | 2016-05-13 14:25:05 +0530 | [diff] [blame] | 194 | case PLD_BUS_TYPE_SDIO: |
| 195 | return QDF_BUS_TYPE_SDIO; |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 196 | case PLD_BUS_TYPE_USB: |
| 197 | return QDF_BUS_TYPE_USB; |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 198 | default: |
| 199 | return QDF_BUS_TYPE_NONE; |
| 200 | } |
| 201 | } |
| 202 | |
Manikandan Mohan | 617a516 | 2017-04-10 13:14:40 -0700 | [diff] [blame] | 203 | int hdd_hif_open(struct device *dev, void *bdev, const struct hif_bus_id *bid, |
Anurag Chouhan | 2ed1fce | 2016-02-22 15:07:01 +0530 | [diff] [blame] | 204 | enum qdf_bus_type bus_type, bool reinit) |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 205 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 206 | QDF_STATUS status; |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 207 | int ret = 0; |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 208 | struct hif_opaque_softc *hif_ctx; |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 209 | qdf_device_t qdf_ctx = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 210 | struct hif_driver_state_callbacks cbk; |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 211 | uint32_t mode = cds_get_conparam(); |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 212 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
Govind Singh | 068c4b0 | 2016-08-17 16:37:13 +0530 | [diff] [blame] | 213 | |
| 214 | if (!hdd_ctx) { |
| 215 | hdd_err("hdd_ctx error"); |
| 216 | return -EFAULT; |
| 217 | } |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 218 | |
Komal Seelam | 1aac198 | 2016-03-02 15:57:26 +0530 | [diff] [blame] | 219 | hdd_hif_init_driver_state_callbacks(dev, &cbk); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 220 | |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 221 | hif_ctx = hif_open(qdf_ctx, mode, bus_type, &cbk); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 222 | if (!hif_ctx) { |
| 223 | hdd_err("hif_open error"); |
| 224 | return -ENOMEM; |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 225 | } |
| 226 | |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 227 | ret = hdd_init_cds_hif_context(hif_ctx); |
| 228 | if (ret) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 229 | hdd_err("Failed to set global HIF CDS Context err: %d", ret); |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 230 | goto err_hif_close; |
| 231 | } |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 232 | |
Dustin Brown | fe7aa87 | 2017-06-26 10:52:08 -0700 | [diff] [blame] | 233 | if (hdd_ctx->config->prevent_link_down) |
| 234 | hif_vote_link_up(hif_ctx); |
| 235 | |
Houston Hoffman | c1f962e | 2016-04-13 16:35:44 -0700 | [diff] [blame] | 236 | status = hif_enable(hif_ctx, dev, bdev, bid, bus_type, |
| 237 | (reinit == true) ? HIF_ENABLE_TYPE_REINIT : |
| 238 | HIF_ENABLE_TYPE_PROBE); |
| 239 | if (!QDF_IS_STATUS_SUCCESS(status)) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 240 | hdd_err("hif_enable failed status: %d, reinit: %d", |
Houston Hoffman | c1f962e | 2016-04-13 16:35:44 -0700 | [diff] [blame] | 241 | status, reinit); |
Nachiket Kukade | 8003d25 | 2017-03-30 15:55:58 +0530 | [diff] [blame] | 242 | |
Houston Hoffman | c1f962e | 2016-04-13 16:35:44 -0700 | [diff] [blame] | 243 | ret = qdf_status_to_os_return(status); |
| 244 | goto err_hif_close; |
| 245 | } else { |
| 246 | ret = hdd_napi_create(); |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 247 | hdd_debug("hdd_napi_create returned: %d", ret); |
Manjunathappa Prakash | 9dd1913 | 2016-04-21 16:27:04 -0700 | [diff] [blame] | 248 | if (ret == 0) |
| 249 | hdd_warn("NAPI: no instances are created"); |
| 250 | else if (ret < 0) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 251 | hdd_err("NAPI creation error, rc: 0x%x, reinit: %d", |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 252 | ret, reinit); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 253 | ret = -EFAULT; |
| 254 | goto err_hif_close; |
Govind Singh | 068c4b0 | 2016-08-17 16:37:13 +0530 | [diff] [blame] | 255 | } else { |
| 256 | hdd_napi_event(NAPI_EVT_INI_FILE, |
| 257 | (void *)hdd_ctx->napi_enable); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 258 | } |
| 259 | } |
| 260 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 261 | pmo_ucfg_psoc_set_hif_handle(hdd_ctx->hdd_psoc, hif_ctx); |
| 262 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 263 | return 0; |
| 264 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 265 | err_hif_close: |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 266 | hdd_deinit_cds_hif_context(); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 267 | hif_close(hif_ctx); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 268 | return ret; |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 269 | } |
| 270 | |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 271 | void hdd_hif_close(struct hdd_context *hdd_ctx, void *hif_ctx) |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 272 | { |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 273 | if (!hdd_ctx) { |
| 274 | hdd_err("hdd_ctx error"); |
| 275 | return; |
| 276 | } |
| 277 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 278 | if (hif_ctx == NULL) |
| 279 | return; |
| 280 | |
| 281 | hif_disable(hif_ctx, HIF_DISABLE_TYPE_REMOVE); |
| 282 | |
| 283 | hdd_napi_destroy(true); |
| 284 | |
Komal Seelam | ad5a90d | 2016-02-16 13:50:03 +0530 | [diff] [blame] | 285 | hdd_deinit_cds_hif_context(); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 286 | hif_close(hif_ctx); |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 287 | |
| 288 | pmo_ucfg_psoc_set_hif_handle(hdd_ctx->hdd_psoc, NULL); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 289 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 290 | |
| 291 | /** |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 292 | * hdd_init_qdf_ctx() - API to initialize global QDF Device structure |
Komal Seelam | 48152e1 | 2016-02-09 17:50:33 +0530 | [diff] [blame] | 293 | * @dev: Device Pointer |
| 294 | * @bdev: Bus Device pointer |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 295 | * @bus_type: Underlying bus type |
| 296 | * @bid: Bus id passed by platform driver |
Komal Seelam | 48152e1 | 2016-02-09 17:50:33 +0530 | [diff] [blame] | 297 | * |
| 298 | * Return: void |
| 299 | */ |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 300 | static void hdd_init_qdf_ctx(struct device *dev, void *bdev, |
| 301 | enum qdf_bus_type bus_type, |
| 302 | const struct hif_bus_id *bid) |
Komal Seelam | 48152e1 | 2016-02-09 17:50:33 +0530 | [diff] [blame] | 303 | { |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 304 | qdf_device_t qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
Komal Seelam | 48152e1 | 2016-02-09 17:50:33 +0530 | [diff] [blame] | 305 | |
Jeff Johnson | 615d4bb | 2016-07-20 11:03:04 -0700 | [diff] [blame] | 306 | if (!qdf_dev) { |
| 307 | hdd_err("Invalid QDF device"); |
| 308 | return; |
| 309 | } |
| 310 | |
Anurag Chouhan | f04e84f | 2016-03-03 10:12:12 +0530 | [diff] [blame] | 311 | qdf_dev->dev = dev; |
| 312 | qdf_dev->drv_hdl = bdev; |
Govind Singh | 9db91ba | 2016-04-29 14:15:47 +0530 | [diff] [blame] | 313 | qdf_dev->bus_type = bus_type; |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 314 | qdf_dev->bid = bid; |
Komal Seelam | 48152e1 | 2016-02-09 17:50:33 +0530 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 318 | * wlan_hdd_probe() - handles probe request |
| 319 | * |
| 320 | * This function is called to probe the wlan driver |
| 321 | * |
| 322 | * @dev: wlan device structure |
| 323 | * @bdev: bus device structure |
| 324 | * @bid: bus identifier for shared busses |
| 325 | * @bus_type: underlying bus type |
| 326 | * @reinit: true if we are reinitiallizing the driver after a subsystem restart |
| 327 | * |
| 328 | * Return: 0 on successfull probe |
| 329 | */ |
Manikandan Mohan | 617a516 | 2017-04-10 13:14:40 -0700 | [diff] [blame] | 330 | static int wlan_hdd_probe(struct device *dev, void *bdev, |
| 331 | const struct hif_bus_id *bid, |
| 332 | enum qdf_bus_type bus_type, bool reinit) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 333 | { |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 334 | int ret = 0; |
| 335 | |
| 336 | pr_info("%s: %sprobing driver v%s\n", WLAN_MODULE_NAME, |
| 337 | reinit ? "re-" : "", QWLAN_VERSIONSTR); |
| 338 | |
| 339 | hdd_prevent_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT); |
| 340 | |
| 341 | /* |
Jeff Johnson | 0a9da59 | 2017-01-12 09:48:36 -0800 | [diff] [blame] | 342 | * The Krait is going to Idle/Stand Alone Power Save more |
| 343 | * aggressively which is resulting in the longer driver load |
| 344 | * time. The Fix is to not allow Krait to enter Idle Power |
| 345 | * Save during driver load. |
| 346 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 347 | hdd_request_pm_qos(dev, DISABLE_KRAIT_IDLE_PS_VAL); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 348 | |
Arunk Khandavalli | 2dc0c96 | 2016-10-20 12:37:26 +0530 | [diff] [blame] | 349 | if (reinit) |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 350 | cds_set_recovery_in_progress(true); |
Arunk Khandavalli | 2dc0c96 | 2016-10-20 12:37:26 +0530 | [diff] [blame] | 351 | else |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 352 | cds_set_load_in_progress(true); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 353 | |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 354 | hdd_init_qdf_ctx(dev, bdev, bus_type, (const struct hif_bus_id *)bid); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 355 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 356 | if (reinit) { |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 357 | ret = hdd_wlan_re_init(); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 358 | if (ret) |
| 359 | re_init_fail_cnt++; |
| 360 | } else { |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 361 | ret = hdd_wlan_startup(dev); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 362 | if (ret) |
| 363 | probe_fail_cnt++; |
| 364 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 365 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 366 | if (ret) |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 367 | goto err_hdd_deinit; |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 368 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 369 | |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 370 | if (reinit) { |
| 371 | cds_set_recovery_in_progress(false); |
| 372 | } else { |
| 373 | cds_set_load_in_progress(false); |
| 374 | cds_set_driver_loaded(true); |
| 375 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 376 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 377 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT); |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 378 | hdd_remove_pm_qos(dev); |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 379 | |
Nachiket Kukade | 8003d25 | 2017-03-30 15:55:58 +0530 | [diff] [blame] | 380 | cds_set_fw_down(false); |
| 381 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 382 | cds_set_driver_in_bad_state(false); |
| 383 | probe_fail_cnt = 0; |
| 384 | re_init_fail_cnt = 0; |
| 385 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 386 | return 0; |
| 387 | |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 388 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 389 | err_hdd_deinit: |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 390 | pr_err("probe/reinit failure counts %hhu/%hhu", |
| 391 | probe_fail_cnt, re_init_fail_cnt); |
| 392 | if (probe_fail_cnt >= SSR_MAX_FAIL_CNT || |
| 393 | re_init_fail_cnt >= SSR_MAX_FAIL_CNT) |
| 394 | QDF_BUG(0); |
| 395 | |
| 396 | if (reinit) { |
| 397 | cds_set_driver_in_bad_state(true); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 398 | cds_set_recovery_in_progress(false); |
Srinivas Girigowda | 576b235 | 2017-08-25 14:44:26 -0700 | [diff] [blame] | 399 | } else |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 400 | cds_set_load_in_progress(false); |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 401 | |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 402 | hdd_allow_suspend(WIFI_POWER_EVENT_WAKELOCK_DRIVER_INIT); |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 403 | hdd_remove_pm_qos(dev); |
Nachiket Kukade | 8003d25 | 2017-03-30 15:55:58 +0530 | [diff] [blame] | 404 | |
| 405 | cds_set_fw_down(false); |
| 406 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 407 | return ret; |
| 408 | } |
| 409 | |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 410 | static inline void hdd_pld_driver_unloading(struct device *dev) |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 411 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 412 | pld_set_driver_status(dev, PLD_LOAD_UNLOAD); |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 413 | } |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 414 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 415 | /** |
| 416 | * wlan_hdd_remove() - wlan_hdd_remove |
| 417 | * |
| 418 | * This function is called by the platform driver to remove the |
| 419 | * driver |
| 420 | * |
| 421 | * Return: void |
| 422 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 423 | static void wlan_hdd_remove(struct device *dev) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 424 | { |
Prashanth Bhatta | 5da711e | 2015-11-30 14:28:52 -0800 | [diff] [blame] | 425 | pr_info("%s: Removing driver v%s\n", WLAN_MODULE_NAME, |
| 426 | QWLAN_VERSIONSTR); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 427 | |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 428 | cds_set_driver_loaded(false); |
| 429 | cds_set_unload_in_progress(true); |
| 430 | |
Rajeev Kumar | dbc886e | 2016-01-19 12:56:04 -0800 | [diff] [blame] | 431 | if (!cds_wait_for_external_threads_completion(__func__)) |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 432 | hdd_warn("External threads are still active attempting driver unload anyway"); |
Rajeev Kumar | dbc886e | 2016-01-19 12:56:04 -0800 | [diff] [blame] | 433 | |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 434 | hdd_pld_driver_unloading(dev); |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 435 | |
Houston Hoffman | 371d4a9 | 2016-04-14 17:02:37 -0700 | [diff] [blame] | 436 | if (QDF_IS_EPPING_ENABLED(cds_get_conparam())) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 437 | epping_disable(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 438 | epping_close(); |
| 439 | } else { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 440 | __hdd_wlan_exit(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 441 | } |
| 442 | |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 443 | cds_set_driver_in_bad_state(false); |
Hanumanth Reddy Pothula | fc70ea3 | 2017-01-18 18:19:08 +0530 | [diff] [blame] | 444 | cds_set_unload_in_progress(false); |
| 445 | |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 446 | pr_info("%s: Driver De-initialized\n", WLAN_MODULE_NAME); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 447 | } |
| 448 | |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 449 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 450 | /** |
| 451 | * hdd_wlan_ssr_shutdown_event()- send ssr shutdown state |
| 452 | * |
| 453 | * This Function send send ssr shutdown state diag event |
| 454 | * |
| 455 | * Return: void. |
| 456 | */ |
| 457 | static void hdd_wlan_ssr_shutdown_event(void) |
| 458 | { |
| 459 | WLAN_HOST_DIAG_EVENT_DEF(ssr_shutdown, |
| 460 | struct host_event_wlan_ssr_shutdown); |
| 461 | qdf_mem_zero(&ssr_shutdown, sizeof(ssr_shutdown)); |
| 462 | ssr_shutdown.status = SSR_SUB_SYSTEM_SHUTDOWN; |
| 463 | WLAN_HOST_DIAG_EVENT_REPORT(&ssr_shutdown, |
| 464 | EVENT_WLAN_SSR_SHUTDOWN_SUBSYSTEM); |
| 465 | } |
| 466 | #else |
| 467 | static inline void hdd_wlan_ssr_shutdown_event(void) |
| 468 | { |
| 469 | |
| 470 | }; |
| 471 | #endif |
| 472 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | /** |
| 474 | * wlan_hdd_shutdown() - wlan_hdd_shutdown |
| 475 | * |
| 476 | * This is routine is called by platform driver to shutdown the |
| 477 | * driver |
| 478 | * |
| 479 | * Return: void |
| 480 | */ |
| 481 | static void wlan_hdd_shutdown(void) |
| 482 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 483 | void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 484 | |
Dustin Brown | cd60132 | 2017-03-28 14:18:46 -0700 | [diff] [blame] | 485 | if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) { |
| 486 | hdd_err("Crash recovery is not allowed in FTM mode"); |
| 487 | QDF_BUG(0); |
| 488 | return; |
| 489 | } |
| 490 | |
bings | 5f0ae14 | 2017-07-14 17:52:45 +0800 | [diff] [blame] | 491 | if (!hif_ctx) { |
| 492 | hdd_err("Failed to get HIF context, ignore SSR shutdown"); |
| 493 | return; |
| 494 | } |
| 495 | /* mask the host controller interrupts */ |
| 496 | hif_mask_interrupt_call(hif_ctx); |
| 497 | |
Rajeev Kumar | fec3dbe | 2016-01-19 15:23:52 -0800 | [diff] [blame] | 498 | if (cds_is_load_or_unload_in_progress()) { |
Jeff Johnson | bd561a9 | 2016-01-07 18:31:35 -0800 | [diff] [blame] | 499 | hdd_err("Load/unload in progress, ignore SSR shutdown"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 500 | return; |
| 501 | } |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 502 | /* this is for cases, where shutdown invoked from platform */ |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 503 | cds_set_recovery_in_progress(true); |
Sen, Devendra | 154b3c4 | 2017-02-13 20:44:15 +0530 | [diff] [blame] | 504 | hdd_wlan_ssr_shutdown_event(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 505 | |
Rajeev Kumar | dbc886e | 2016-01-19 12:56:04 -0800 | [diff] [blame] | 506 | if (!cds_wait_for_external_threads_completion(__func__)) |
Jeff Johnson | bd561a9 | 2016-01-07 18:31:35 -0800 | [diff] [blame] | 507 | hdd_err("Host is not ready for SSR, attempting anyway"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 508 | |
Houston Hoffman | 371d4a9 | 2016-04-14 17:02:37 -0700 | [diff] [blame] | 509 | if (!QDF_IS_EPPING_ENABLED(cds_get_conparam())) { |
bings | 5f0ae14 | 2017-07-14 17:52:45 +0800 | [diff] [blame] | 510 | hif_disable_isr(hif_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 511 | hdd_wlan_shutdown(); |
Yue Ma | cd96144 | 2015-10-20 16:15:31 -0700 | [diff] [blame] | 512 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | /** |
| 516 | * wlan_hdd_crash_shutdown() - wlan_hdd_crash_shutdown |
| 517 | * |
| 518 | * HDD crash shutdown funtion: This function is called by |
| 519 | * platfrom driver's crash shutdown routine |
| 520 | * |
| 521 | * Return: void |
| 522 | */ |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 523 | static void wlan_hdd_crash_shutdown(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 524 | { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 525 | hif_crash_shutdown(cds_get_context(QDF_MODULE_ID_HIF)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | /** |
| 529 | * wlan_hdd_notify_handler() - wlan_hdd_notify_handler |
| 530 | * |
| 531 | * This function is called by the platform driver to notify the |
| 532 | * COEX |
| 533 | * |
| 534 | * @state: state |
| 535 | * |
| 536 | * Return: void |
| 537 | */ |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 538 | static void wlan_hdd_notify_handler(int state) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 539 | { |
Houston Hoffman | 371d4a9 | 2016-04-14 17:02:37 -0700 | [diff] [blame] | 540 | if (!QDF_IS_EPPING_ENABLED(cds_get_conparam())) { |
Jeff Johnson | 10251bc | 2017-03-24 15:30:52 -0700 | [diff] [blame] | 541 | int ret; |
| 542 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 543 | ret = hdd_wlan_notify_modem_power_state(state); |
| 544 | if (ret < 0) |
Jeff Johnson | bd561a9 | 2016-01-07 18:31:35 -0800 | [diff] [blame] | 545 | hdd_err("Fail to send notify"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 546 | } |
| 547 | } |
| 548 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 549 | static int hdd_to_pmo_interface_pause(enum wow_interface_pause hdd_pause, |
| 550 | enum pmo_wow_interface_pause *pmo_pause) |
| 551 | { |
| 552 | switch (hdd_pause) { |
| 553 | case WOW_INTERFACE_PAUSE_DEFAULT: |
| 554 | *pmo_pause = PMO_WOW_INTERFACE_PAUSE_DEFAULT; |
| 555 | break; |
| 556 | case WOW_INTERFACE_PAUSE_ENABLE: |
| 557 | *pmo_pause = PMO_WOW_INTERFACE_PAUSE_ENABLE; |
| 558 | break; |
| 559 | case WOW_INTERFACE_PAUSE_DISABLE: |
| 560 | *pmo_pause = PMO_WOW_INTERFACE_PAUSE_DISABLE; |
| 561 | break; |
| 562 | default: |
| 563 | hdd_err("Invalid interface pause: %d", hdd_pause); |
| 564 | return -EINVAL; |
| 565 | } |
| 566 | |
| 567 | return 0; |
| 568 | } |
| 569 | |
| 570 | static int hdd_to_pmo_resume_trigger(enum wow_resume_trigger hdd_trigger, |
| 571 | enum pmo_wow_resume_trigger *pmo_trigger) |
| 572 | { |
| 573 | switch (hdd_trigger) { |
| 574 | case WOW_RESUME_TRIGGER_DEFAULT: |
| 575 | *pmo_trigger = PMO_WOW_RESUME_TRIGGER_DEFAULT; |
| 576 | break; |
| 577 | case WOW_RESUME_TRIGGER_HTC_WAKEUP: |
| 578 | *pmo_trigger = PMO_WOW_RESUME_TRIGGER_HTC_WAKEUP; |
| 579 | break; |
| 580 | case WOW_RESUME_TRIGGER_GPIO: |
| 581 | *pmo_trigger = PMO_WOW_RESUME_TRIGGER_GPIO; |
| 582 | break; |
| 583 | default: |
| 584 | hdd_err("Invalid resume trigger: %d", hdd_trigger); |
| 585 | return -EINVAL; |
| 586 | } |
| 587 | |
| 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | static int |
| 592 | hdd_to_pmo_wow_enable_params(struct wow_enable_params *in_params, |
| 593 | struct pmo_wow_enable_params *out_params) |
| 594 | { |
| 595 | int err; |
| 596 | |
| 597 | /* unit-test suspend */ |
| 598 | out_params->is_unit_test = in_params->is_unit_test; |
| 599 | |
| 600 | /* interface pause */ |
| 601 | err = hdd_to_pmo_interface_pause(in_params->interface_pause, |
| 602 | &out_params->interface_pause); |
| 603 | if (err) |
| 604 | return err; |
| 605 | |
| 606 | /* resume trigger */ |
| 607 | err = hdd_to_pmo_resume_trigger(in_params->resume_trigger, |
| 608 | &out_params->resume_trigger); |
| 609 | if (err) |
| 610 | return err; |
| 611 | |
| 612 | return 0; |
| 613 | } |
| 614 | |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 615 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 616 | * __wlan_hdd_bus_suspend() - handles platform supsend |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 617 | * @wow_params: collection of wow enable override parameters |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 618 | * |
| 619 | * Does precondtion validation. Ensures that a subsystem restart isn't in |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 620 | * progress. Ensures that no load or unload is in progress. Does: |
| 621 | * data path suspend |
| 622 | * component (pmo) suspend |
| 623 | * hif (bus) suspend |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 624 | * |
| 625 | * Return: 0 for success, -EFAULT for null pointers, |
| 626 | * -EBUSY or -EAGAIN if another opperation is in progress and |
| 627 | * wlan will not be ready to suspend in time. |
| 628 | */ |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 629 | static int __wlan_hdd_bus_suspend(struct wow_enable_params wow_params) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 630 | { |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 631 | int err; |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 632 | QDF_STATUS status; |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 633 | struct hdd_context *hdd_ctx; |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 634 | void *hif_ctx; |
Dustin Brown | 7ff24dd | 2017-05-10 15:49:59 -0700 | [diff] [blame] | 635 | void *dp_soc; |
| 636 | void *dp_pdev; |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 637 | struct pmo_wow_enable_params pmo_params; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 638 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 639 | hdd_debug("starting bus suspend"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 640 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 641 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 642 | err = wlan_hdd_validate_context(hdd_ctx); |
| 643 | if (err) { |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 644 | hdd_err("Invalid hdd context: %d", err); |
| 645 | return err; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 646 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 647 | |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 648 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 649 | hdd_debug("Driver Module closed; skipping suspend"); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 650 | return 0; |
| 651 | } |
| 652 | |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 653 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 654 | if (!hif_ctx) { |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 655 | hdd_err("Failed to get hif context"); |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 656 | return -EINVAL; |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 657 | } |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 658 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 659 | err = hdd_to_pmo_wow_enable_params(&wow_params, &pmo_params); |
| 660 | if (err) { |
| 661 | hdd_err("Invalid WoW enable parameters: %d", err); |
| 662 | return err; |
| 663 | } |
| 664 | |
Dustin Brown | 7ff24dd | 2017-05-10 15:49:59 -0700 | [diff] [blame] | 665 | dp_soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 666 | dp_pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 667 | err = qdf_status_to_os_return(cdp_bus_suspend(dp_soc, dp_pdev)); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 668 | if (err) { |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 669 | hdd_err("Failed cdp bus suspend: %d", err); |
| 670 | return err; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 671 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 672 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 673 | status = pmo_ucfg_psoc_bus_suspend_req(hdd_ctx->hdd_psoc, |
| 674 | QDF_SYSTEM_SUSPEND, |
| 675 | &pmo_params); |
| 676 | err = qdf_status_to_os_return(status); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 677 | if (err) { |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 678 | hdd_err("Failed pmo bus suspend: %d", status); |
| 679 | goto resume_cdp; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 680 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 681 | |
Komal Seelam | c12e675 | 2016-02-02 18:17:13 +0530 | [diff] [blame] | 682 | err = hif_bus_suspend(hif_ctx); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 683 | if (err) { |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 684 | hdd_err("Failed hif bus suspend: %d", err); |
| 685 | goto resume_pmo; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 686 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 687 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 688 | hdd_debug("bus suspend succeeded"); |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 689 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 690 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 691 | resume_pmo: |
| 692 | status = pmo_ucfg_psoc_bus_resume_req(hdd_ctx->hdd_psoc, |
| 693 | QDF_SYSTEM_SUSPEND); |
| 694 | QDF_BUG(QDF_IS_STATUS_SUCCESS(status)); |
| 695 | |
| 696 | resume_cdp: |
Dustin Brown | 7ff24dd | 2017-05-10 15:49:59 -0700 | [diff] [blame] | 697 | status = cdp_bus_resume(dp_soc, dp_pdev); |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 698 | QDF_BUG(QDF_IS_STATUS_SUCCESS(status)); |
| 699 | |
| 700 | /* return suspend related error code */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 701 | return err; |
| 702 | } |
| 703 | |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 704 | int wlan_hdd_bus_suspend(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 705 | { |
| 706 | int ret; |
Dustin Brown | 5409643 | 2017-02-23 13:00:44 -0800 | [diff] [blame] | 707 | struct wow_enable_params default_params = {0}; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 708 | |
| 709 | cds_ssr_protect(__func__); |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 710 | ret = __wlan_hdd_bus_suspend(default_params); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 711 | cds_ssr_unprotect(__func__); |
| 712 | |
| 713 | return ret; |
| 714 | } |
| 715 | |
Dustin Brown | e70fd97 | 2016-11-10 11:17:40 -0800 | [diff] [blame] | 716 | #ifdef WLAN_SUSPEND_RESUME_TEST |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 717 | int wlan_hdd_unit_test_bus_suspend(struct wow_enable_params wow_params) |
Dustin Brown | e70fd97 | 2016-11-10 11:17:40 -0800 | [diff] [blame] | 718 | { |
| 719 | int ret; |
| 720 | |
| 721 | cds_ssr_protect(__func__); |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 722 | ret = __wlan_hdd_bus_suspend(wow_params); |
Dustin Brown | e70fd97 | 2016-11-10 11:17:40 -0800 | [diff] [blame] | 723 | cds_ssr_unprotect(__func__); |
| 724 | |
| 725 | return ret; |
| 726 | } |
| 727 | #endif |
| 728 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 729 | /** |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 730 | * __wlan_hdd_bus_suspend_noirq() - handle .suspend_noirq callback |
| 731 | * |
| 732 | * This function is called by the platform driver to complete the |
| 733 | * bus suspend callback when device interrupts are disabled by kernel. |
| 734 | * Call HIF and WMA suspend_noirq callbacks to make sure there is no |
| 735 | * wake up pending from FW before allowing suspend. |
| 736 | * |
| 737 | * Return: 0 for success and -EBUSY if FW is requesting wake up |
| 738 | */ |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 739 | static int __wlan_hdd_bus_suspend_noirq(void) |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 740 | { |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 741 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 742 | void *hif_ctx; |
Dustin Brown | 1079f27 | 2016-09-01 15:58:23 -0700 | [diff] [blame] | 743 | int err; |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 744 | int status; |
| 745 | |
Dustin Brown | 1079f27 | 2016-09-01 15:58:23 -0700 | [diff] [blame] | 746 | err = wlan_hdd_validate_context(hdd_ctx); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 747 | if (err) { |
| 748 | hdd_err("Invalid HDD context: %d", err); |
| 749 | return err; |
| 750 | } |
| 751 | |
| 752 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 753 | hdd_debug("Driver Module closed return success"); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 754 | return 0; |
| 755 | } |
| 756 | |
| 757 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 758 | if (NULL == hif_ctx) { |
| 759 | err = -EINVAL; |
| 760 | goto done; |
| 761 | } |
| 762 | |
| 763 | err = hif_bus_suspend_noirq(hif_ctx); |
| 764 | if (err) |
| 765 | goto done; |
| 766 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 767 | err = pmo_ucfg_psoc_is_target_wake_up_received( |
| 768 | hdd_ctx->hdd_psoc); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 769 | if (err) |
| 770 | goto resume_hif_noirq; |
| 771 | |
Dustin Brown | d932248 | 2017-01-09 12:46:03 -0800 | [diff] [blame] | 772 | hdd_ctx->suspend_resume_stats.suspends++; |
| 773 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 774 | hdd_debug("suspend_noirq done"); |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 775 | return 0; |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 776 | |
| 777 | resume_hif_noirq: |
| 778 | status = hif_bus_resume_noirq(hif_ctx); |
| 779 | QDF_BUG(!status); |
| 780 | done: |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 781 | if (err == -EAGAIN) { |
Dustin Brown | 2d22823 | 2016-09-22 15:06:19 -0700 | [diff] [blame] | 782 | hdd_err("Firmware attempting wakeup, try again"); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 783 | wlan_hdd_inc_suspend_stats(hdd_ctx, |
| 784 | SUSPEND_FAIL_INITIAL_WAKEUP); |
| 785 | } else { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 786 | hdd_err("suspend_noirq failed, status: %d", err); |
Dustin Brown | 105d790 | 2016-10-03 16:27:59 -0700 | [diff] [blame] | 787 | } |
| 788 | |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 789 | return err; |
| 790 | } |
| 791 | |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 792 | int wlan_hdd_bus_suspend_noirq(void) |
| 793 | { |
| 794 | int ret; |
| 795 | |
| 796 | cds_ssr_protect(__func__); |
| 797 | ret = __wlan_hdd_bus_suspend_noirq(); |
| 798 | cds_ssr_unprotect(__func__); |
| 799 | |
| 800 | return ret; |
| 801 | } |
| 802 | |
| 803 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 804 | * __wlan_hdd_bus_resume() - handles platform resume |
| 805 | * |
| 806 | * Does precondtion validation. Ensures that a subsystem restart isn't in |
| 807 | * progress. Ensures that no load or unload is in progress. Ensures that |
| 808 | * it has valid pointers for the required contexts. |
| 809 | * Calls into hif to resume the bus opperation. |
| 810 | * Calls into wma to handshake with firmware and notify it that the bus is up. |
| 811 | * Calls into ol_txrx for symetry. |
| 812 | * Failures are treated as catastrophic. |
| 813 | * |
| 814 | * return: error code or 0 for success |
| 815 | */ |
| 816 | static int __wlan_hdd_bus_resume(void) |
| 817 | { |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 818 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 819 | void *hif_ctx; |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 820 | int status; |
| 821 | QDF_STATUS qdf_status; |
Dustin Brown | 7ff24dd | 2017-05-10 15:49:59 -0700 | [diff] [blame] | 822 | void *dp_soc; |
| 823 | void *dp_pdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 824 | |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 825 | if (cds_is_driver_recovering()) |
| 826 | return 0; |
| 827 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 828 | hdd_debug("starting bus resume"); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 829 | |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 830 | status = wlan_hdd_validate_context(hdd_ctx); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 831 | if (status) { |
| 832 | hdd_err("Invalid hdd context"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 833 | return status; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 834 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 835 | |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 836 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 837 | hdd_debug("Driver Module closed; return success"); |
Arun Khandavalli | fae9294 | 2016-08-01 13:31:08 +0530 | [diff] [blame] | 838 | return 0; |
| 839 | } |
| 840 | |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 841 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 842 | if (NULL == hif_ctx) { |
| 843 | hdd_err("Failed to get hif context"); |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 844 | return -EINVAL; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 845 | } |
SaidiReddy Yenuga | d832366 | 2016-07-20 15:45:34 +0530 | [diff] [blame] | 846 | |
Komal Seelam | c12e675 | 2016-02-02 18:17:13 +0530 | [diff] [blame] | 847 | status = hif_bus_resume(hif_ctx); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 848 | if (status) { |
| 849 | hdd_err("Failed hif bus resume"); |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 850 | goto out; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 851 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 852 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 853 | qdf_status = pmo_ucfg_psoc_bus_resume_req(hdd_ctx->hdd_psoc, |
| 854 | QDF_SYSTEM_SUSPEND); |
| 855 | status = qdf_status_to_os_return(qdf_status); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 856 | if (status) { |
| 857 | hdd_err("Failed wma bus resume"); |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 858 | goto out; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 859 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 860 | |
Dustin Brown | 7ff24dd | 2017-05-10 15:49:59 -0700 | [diff] [blame] | 861 | dp_soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 862 | dp_pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 863 | qdf_status = cdp_bus_resume(dp_soc, dp_pdev); |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 864 | status = qdf_status_to_os_return(qdf_status); |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 865 | if (status) { |
| 866 | hdd_err("Failed cdp bus resume"); |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 867 | goto out; |
Dustin Brown | 562b967 | 2016-12-22 15:25:33 -0800 | [diff] [blame] | 868 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 869 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 870 | hdd_debug("bus resume succeeded"); |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 871 | return 0; |
| 872 | |
| 873 | out: |
Hanumanth Reddy Pothula | 2a8a740 | 2017-07-03 14:06:11 +0530 | [diff] [blame] | 874 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state()) |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 875 | return 0; |
| 876 | |
| 877 | QDF_BUG(false); |
| 878 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 879 | return status; |
| 880 | } |
| 881 | |
Rajeev Kumar | a78a0a4 | 2016-07-13 19:28:20 -0700 | [diff] [blame] | 882 | int wlan_hdd_bus_resume(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 883 | { |
| 884 | int ret; |
| 885 | |
| 886 | cds_ssr_protect(__func__); |
| 887 | ret = __wlan_hdd_bus_resume(); |
| 888 | cds_ssr_unprotect(__func__); |
| 889 | |
| 890 | return ret; |
| 891 | } |
| 892 | |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 893 | /** |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 894 | * __wlan_hdd_bus_resume_noirq(): handle bus resume no irq |
| 895 | * |
| 896 | * This function is called by the platform driver to do bus |
| 897 | * resume no IRQ before calling resume callback. Call WMA and HIF |
| 898 | * layers to complete the resume_noirq. |
| 899 | * |
| 900 | * Return: 0 for success and negative error code for failure |
| 901 | */ |
Jeff Johnson | 7782cb9 | 2016-10-05 14:22:40 -0700 | [diff] [blame] | 902 | static int __wlan_hdd_bus_resume_noirq(void) |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 903 | { |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 904 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 905 | void *hif_ctx; |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 906 | int status; |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 907 | QDF_STATUS qdf_status; |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 908 | |
Prashanth Bhatta | 697dd0c | 2016-10-20 18:42:41 -0700 | [diff] [blame] | 909 | if (cds_is_driver_recovering()) |
| 910 | return 0; |
| 911 | |
| 912 | status = wlan_hdd_validate_context(hdd_ctx); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 913 | if (status) { |
| 914 | hdd_err("Invalid HDD context: %d", status); |
| 915 | return status; |
| 916 | } |
| 917 | |
| 918 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 919 | hdd_debug("Driver Module closed return success"); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 920 | return 0; |
| 921 | } |
| 922 | |
| 923 | hif_ctx = cds_get_context(QDF_MODULE_ID_HIF); |
| 924 | if (NULL == hif_ctx) |
| 925 | return -EINVAL; |
| 926 | |
Mukul Sharma | 4c60a7e | 2017-03-06 19:42:18 +0530 | [diff] [blame] | 927 | qdf_status = pmo_ucfg_psoc_clear_target_wake_up(hdd_ctx->hdd_psoc); |
| 928 | QDF_BUG(!qdf_status); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 929 | |
| 930 | status = hif_bus_resume_noirq(hif_ctx); |
| 931 | QDF_BUG(!status); |
| 932 | |
Srinivas Girigowda | 852c254 | 2017-03-06 16:18:21 -0800 | [diff] [blame] | 933 | hdd_debug("resume_noirq done"); |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 934 | return status; |
| 935 | } |
| 936 | |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 937 | int wlan_hdd_bus_resume_noirq(void) |
| 938 | { |
| 939 | int ret; |
| 940 | |
| 941 | cds_ssr_protect(__func__); |
| 942 | ret = __wlan_hdd_bus_resume_noirq(); |
| 943 | cds_ssr_unprotect(__func__); |
| 944 | |
| 945 | return ret; |
| 946 | } |
| 947 | |
| 948 | /** |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 949 | * wlan_hdd_bus_reset_resume() - resume wlan bus after reset |
| 950 | * |
| 951 | * This function is called to tell the driver that the device has been resumed |
| 952 | * and it has also been reset. The driver should redo any necessary |
| 953 | * initialization. It is mainly used by the USB bus |
| 954 | * |
| 955 | * Return: int 0 for success, non zero for failure |
| 956 | */ |
| 957 | static int wlan_hdd_bus_reset_resume(void) |
| 958 | { |
| 959 | int ret; |
Anurag Chouhan | ce6a405 | 2016-09-14 18:20:42 +0530 | [diff] [blame] | 960 | struct hif_opaque_softc *scn = NULL; |
| 961 | |
| 962 | scn = cds_get_context(QDF_MODULE_ID_HIF); |
| 963 | if (!scn) { |
| 964 | hdd_err("Failed to get HIF context"); |
| 965 | return -EFAULT; |
| 966 | } |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 967 | |
| 968 | cds_ssr_protect(__func__); |
Anurag Chouhan | ce6a405 | 2016-09-14 18:20:42 +0530 | [diff] [blame] | 969 | ret = hif_bus_reset_resume(scn); |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 970 | cds_ssr_unprotect(__func__); |
| 971 | return ret; |
| 972 | } |
| 973 | |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 974 | #ifdef FEATURE_RUNTIME_PM |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 975 | /** |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 976 | * hdd_pld_runtime_suspend_cb() - Runtime suspend callback from PMO |
| 977 | * |
| 978 | * Return: 0 on success or error value otherwise |
| 979 | */ |
| 980 | static int hdd_pld_runtime_suspend_cb(void) |
| 981 | { |
| 982 | qdf_device_t qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 983 | |
| 984 | if (!qdf_dev) { |
| 985 | hdd_err("Invalid context"); |
| 986 | return -EINVAL; |
| 987 | } |
| 988 | |
| 989 | return pld_auto_suspend(qdf_dev->dev); |
| 990 | } |
| 991 | |
| 992 | /** |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 993 | * __wlan_hdd_runtime_suspend() - suspend the wlan bus without apps suspend |
| 994 | * |
| 995 | * Each layer is responsible for its own suspend actions. wma_runtime_suspend |
| 996 | * takes care of the parts of the 802.11 suspend that we want to do for runtime |
| 997 | * suspend. |
| 998 | * |
| 999 | * Return: 0 or errno |
| 1000 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1001 | static int __wlan_hdd_runtime_suspend(struct device *dev) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1002 | { |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1003 | int err; |
| 1004 | QDF_STATUS status; |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 1005 | struct hdd_context *hdd_ctx; |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1006 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1007 | hdd_debug("Starting runtime suspend"); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1008 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1009 | hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1010 | err = wlan_hdd_validate_context(hdd_ctx); |
| 1011 | if (err) |
| 1012 | return err; |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1013 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1014 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1015 | hdd_debug("Driver module closed skipping runtime suspend"); |
| 1016 | return 0; |
| 1017 | } |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1018 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1019 | if (ucfg_scan_get_pdev_status(hdd_ctx->hdd_pdev) != |
| 1020 | SCAN_NOT_IN_PROGRESS) { |
| 1021 | hdd_debug("Scan in progress, ignore runtime suspend"); |
| 1022 | return -EBUSY; |
| 1023 | } |
Yue Ma | 1e11d79 | 2016-02-26 18:58:44 -0800 | [diff] [blame] | 1024 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1025 | status = pmo_ucfg_psoc_bus_runtime_suspend(hdd_ctx->hdd_psoc, |
| 1026 | hdd_pld_runtime_suspend_cb); |
| 1027 | err = qdf_status_to_os_return(status); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1028 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1029 | hdd_debug("Runtime suspend done result: %d", err); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1030 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1031 | return err; |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1032 | } |
| 1033 | |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1034 | /** |
| 1035 | * wlan_hdd_runtime_suspend() - suspend the wlan bus without apps suspend |
| 1036 | * |
| 1037 | * This function is called by the platform driver to suspend the |
| 1038 | * wlan bus separately from system suspend |
| 1039 | * |
| 1040 | * Return: 0 or errno |
| 1041 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1042 | static int wlan_hdd_runtime_suspend(struct device *dev) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1043 | { |
| 1044 | int ret; |
| 1045 | |
| 1046 | cds_ssr_protect(__func__); |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1047 | ret = __wlan_hdd_runtime_suspend(dev); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1048 | cds_ssr_unprotect(__func__); |
| 1049 | |
| 1050 | return ret; |
| 1051 | } |
| 1052 | |
| 1053 | /** |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1054 | * hdd_pld_runtime_resume_cb() - Runtime resume callback from PMO |
| 1055 | * |
| 1056 | * Return: 0 on success or error value otherwise |
| 1057 | */ |
| 1058 | static int hdd_pld_runtime_resume_cb(void) |
| 1059 | { |
| 1060 | qdf_device_t qdf_dev = cds_get_context(QDF_MODULE_ID_QDF_DEVICE); |
| 1061 | |
| 1062 | if (!qdf_dev) { |
| 1063 | hdd_err("Invalid context"); |
| 1064 | return -EINVAL; |
| 1065 | } |
| 1066 | |
| 1067 | return pld_auto_resume(qdf_dev->dev); |
| 1068 | } |
| 1069 | |
| 1070 | /** |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1071 | * __wlan_hdd_runtime_resume() - resume the wlan bus from runtime suspend |
| 1072 | * |
| 1073 | * Sets the runtime pm state and coordinates resume between hif wma and |
| 1074 | * ol_txrx. |
| 1075 | * |
| 1076 | * Return: success since failure is a bug |
| 1077 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1078 | static int __wlan_hdd_runtime_resume(struct device *dev) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1079 | { |
Jeff Johnson | 6bc79d8 | 2017-08-28 12:02:36 -0700 | [diff] [blame] | 1080 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1081 | QDF_STATUS status; |
Komal Seelam | c12e675 | 2016-02-02 18:17:13 +0530 | [diff] [blame] | 1082 | |
Sravan Kumar Kairam | 2729678 | 2017-04-21 22:04:18 +0530 | [diff] [blame] | 1083 | hdd_debug("Starting runtime resume"); |
| 1084 | |
| 1085 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 1086 | return 0; |
| 1087 | |
| 1088 | if (hdd_ctx->driver_status != DRIVER_MODULES_ENABLED) { |
| 1089 | hdd_debug("Driver module closed skipping runtime resume"); |
| 1090 | return 0; |
| 1091 | } |
| 1092 | |
| 1093 | status = pmo_ucfg_psoc_bus_runtime_resume(hdd_ctx->hdd_psoc, |
| 1094 | hdd_pld_runtime_resume_cb); |
| 1095 | if (status != QDF_STATUS_SUCCESS) |
| 1096 | hdd_err("PMO Runtime resume failed: %d", status); |
| 1097 | |
| 1098 | hdd_debug("Runtime resume done"); |
| 1099 | |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * wlan_hdd_runtime_resume() - resume the wlan bus from runtime suspend |
| 1105 | * |
| 1106 | * This function is called by the platform driver to resume the |
| 1107 | * wlan bus separately from system suspend |
| 1108 | * |
| 1109 | * Return: success since failure is a bug |
| 1110 | */ |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1111 | static int wlan_hdd_runtime_resume(struct device *dev) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1112 | { |
| 1113 | int ret; |
| 1114 | |
| 1115 | cds_ssr_protect(__func__); |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1116 | ret = __wlan_hdd_runtime_resume(dev); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1117 | cds_ssr_unprotect(__func__); |
| 1118 | |
| 1119 | return ret; |
| 1120 | } |
| 1121 | #endif |
| 1122 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1123 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1124 | * wlan_hdd_pld_probe() - probe function registered to PLD |
| 1125 | * @dev: device |
| 1126 | * @pld_bus_type: PLD bus type |
| 1127 | * @bdev: bus device structure |
| 1128 | * @id: bus identifier for shared busses |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1129 | * |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1130 | * Return: 0 on success |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1131 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1132 | static int wlan_hdd_pld_probe(struct device *dev, |
| 1133 | enum pld_bus_type pld_bus_type, |
| 1134 | void *bdev, void *id) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1135 | { |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1136 | enum qdf_bus_type bus_type; |
| 1137 | |
| 1138 | bus_type = to_bus_type(pld_bus_type); |
| 1139 | if (bus_type == QDF_BUS_TYPE_NONE) { |
| 1140 | hdd_err("Invalid bus type %d->%d", |
| 1141 | pld_bus_type, bus_type); |
| 1142 | return -EINVAL; |
| 1143 | } |
| 1144 | |
| 1145 | return wlan_hdd_probe(dev, bdev, id, bus_type, false); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1146 | } |
| 1147 | |
| 1148 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1149 | * wlan_hdd_pld_remove() - remove function registered to PLD |
| 1150 | * @dev: device |
| 1151 | * @pld_bus_type: PLD bus type |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1152 | * |
| 1153 | * Return: void |
| 1154 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1155 | static void wlan_hdd_pld_remove(struct device *dev, |
| 1156 | enum pld_bus_type bus_type) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1157 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1158 | wlan_hdd_remove(dev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1159 | } |
| 1160 | |
| 1161 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1162 | * wlan_hdd_pld_shutdown() - shutdown function registered to PLD |
| 1163 | * @dev: device |
| 1164 | * @pld_bus_type: PLD bus type |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1165 | * |
| 1166 | * Return: void |
| 1167 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1168 | static void wlan_hdd_pld_shutdown(struct device *dev, |
| 1169 | enum pld_bus_type bus_type) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1170 | { |
| 1171 | wlan_hdd_shutdown(); |
| 1172 | } |
| 1173 | |
| 1174 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1175 | * wlan_hdd_pld_reinit() - reinit function registered to PLD |
| 1176 | * @dev: device |
| 1177 | * @pld_bus_type: PLD bus type |
| 1178 | * @bdev: bus device structure |
| 1179 | * @id: bus identifier for shared busses |
| 1180 | * |
| 1181 | * Return: 0 on success |
| 1182 | */ |
| 1183 | static int wlan_hdd_pld_reinit(struct device *dev, |
| 1184 | enum pld_bus_type pld_bus_type, |
| 1185 | void *bdev, void *id) |
| 1186 | { |
| 1187 | enum qdf_bus_type bus_type; |
| 1188 | |
| 1189 | bus_type = to_bus_type(pld_bus_type); |
| 1190 | if (bus_type == QDF_BUS_TYPE_NONE) { |
| 1191 | hdd_err("Invalid bus type %d->%d", |
| 1192 | pld_bus_type, bus_type); |
| 1193 | return -EINVAL; |
| 1194 | } |
| 1195 | |
| 1196 | return wlan_hdd_probe(dev, bdev, id, bus_type, true); |
| 1197 | } |
| 1198 | |
| 1199 | /** |
| 1200 | * wlan_hdd_pld_crash_shutdown() - crash_shutdown function registered to PLD |
| 1201 | * @dev: device |
| 1202 | * @pld_bus_type: PLD bus type |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1203 | * |
| 1204 | * Return: void |
| 1205 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1206 | static void wlan_hdd_pld_crash_shutdown(struct device *dev, |
| 1207 | enum pld_bus_type bus_type) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1208 | { |
| 1209 | wlan_hdd_crash_shutdown(); |
| 1210 | } |
| 1211 | |
| 1212 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1213 | * wlan_hdd_pld_suspend() - suspend function registered to PLD |
| 1214 | * @dev: device |
| 1215 | * @pld_bus_type: PLD bus type |
| 1216 | * @state: PM state |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1217 | * |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1218 | * Return: 0 on success |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1219 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1220 | static int wlan_hdd_pld_suspend(struct device *dev, |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 1221 | enum pld_bus_type bus_type, |
| 1222 | pm_message_t state) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1223 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1224 | { |
Dustin Brown | 9ef609b | 2017-03-15 12:19:37 -0700 | [diff] [blame] | 1225 | return wlan_hdd_bus_suspend(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1226 | } |
| 1227 | |
| 1228 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1229 | * wlan_hdd_pld_resume() - resume function registered to PLD |
| 1230 | * @dev: device |
| 1231 | * @pld_bus_type: PLD bus type |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1232 | * |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1233 | * Return: 0 on success |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1234 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1235 | static int wlan_hdd_pld_resume(struct device *dev, |
| 1236 | enum pld_bus_type bus_type) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1237 | { |
| 1238 | return wlan_hdd_bus_resume(); |
| 1239 | } |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1240 | |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 1241 | |
| 1242 | /** |
| 1243 | * wlan_hdd_pld_suspend_noirq() - handle suspend no irq |
| 1244 | * @dev: device |
| 1245 | * @pld_bus_type: PLD bus type |
| 1246 | * |
| 1247 | * Complete the actions started by suspend(). Carry out any |
| 1248 | * additional operations required for suspending the device that might be |
| 1249 | * racing with its driver's interrupt handler, which is guaranteed not to |
| 1250 | * run while suspend_noirq() is being executed. Make sure to resume device |
| 1251 | * if FW has sent initial wake up message and expecting APPS to wake up. |
| 1252 | * |
| 1253 | * Return: 0 on success |
| 1254 | */ |
| 1255 | static int wlan_hdd_pld_suspend_noirq(struct device *dev, |
| 1256 | enum pld_bus_type bus_type) |
| 1257 | { |
| 1258 | return wlan_hdd_bus_suspend_noirq(); |
| 1259 | } |
| 1260 | |
| 1261 | /** |
| 1262 | * wlan_hdd_pld_resume_noirq() - handle resume no irq |
| 1263 | * @dev: device |
| 1264 | * @pld_bus_type: PLD bus type |
| 1265 | * |
| 1266 | * Prepare for the execution of resume() by carrying out any |
| 1267 | * operations required for resuming the device that might be racing with |
| 1268 | * its driver's interrupt handler, which is guaranteed not to run while |
| 1269 | * resume_noirq() is being executed. Make sure to clear target initial |
| 1270 | * wake up request such that next suspend can happen cleanly. |
| 1271 | * |
| 1272 | * Return: 0 on success |
| 1273 | */ |
| 1274 | static int wlan_hdd_pld_resume_noirq(struct device *dev, |
| 1275 | enum pld_bus_type bus_type) |
| 1276 | { |
| 1277 | return wlan_hdd_bus_resume_noirq(); |
| 1278 | } |
| 1279 | |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1280 | /** |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 1281 | * wlan_hdd_pld_reset_resume() - reset resume function registered to PLD |
| 1282 | * @dev: device |
| 1283 | * @pld_bus_type: PLD bus type |
| 1284 | * |
| 1285 | * Return: 0 on success |
| 1286 | */ |
| 1287 | static int wlan_hdd_pld_reset_resume(struct device *dev, |
| 1288 | enum pld_bus_type bus_type) |
| 1289 | { |
| 1290 | return wlan_hdd_bus_reset_resume(); |
| 1291 | } |
| 1292 | |
| 1293 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1294 | * wlan_hdd_pld_notify_handler() - notify_handler function registered to PLD |
| 1295 | * @dev: device |
| 1296 | * @pld_bus_type: PLD bus type |
| 1297 | * @state: Modem power state |
| 1298 | * |
| 1299 | * Return: void |
| 1300 | */ |
| 1301 | static void wlan_hdd_pld_notify_handler(struct device *dev, |
| 1302 | enum pld_bus_type bus_type, |
| 1303 | int state) |
| 1304 | { |
| 1305 | wlan_hdd_notify_handler(state); |
| 1306 | } |
| 1307 | |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 1308 | /** |
Anurag Chouhan | 1ddb9b3 | 2017-04-13 13:57:09 +0530 | [diff] [blame] | 1309 | * wlan_hdd_pld_uevent() - update driver status |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 1310 | * @dev: device |
Anurag Chouhan | 1ddb9b3 | 2017-04-13 13:57:09 +0530 | [diff] [blame] | 1311 | * @uevent: uevent status |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 1312 | * |
| 1313 | * Return: void |
| 1314 | */ |
Anurag Chouhan | 1ddb9b3 | 2017-04-13 13:57:09 +0530 | [diff] [blame] | 1315 | static void wlan_hdd_pld_uevent(struct device *dev, |
| 1316 | struct pld_uevent_data *uevent) |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 1317 | { |
Anurag Chouhan | 1ddb9b3 | 2017-04-13 13:57:09 +0530 | [diff] [blame] | 1318 | if (uevent->uevent == PLD_RECOVERY) |
| 1319 | cds_set_recovery_in_progress(true); |
Nachiket Kukade | 8003d25 | 2017-03-30 15:55:58 +0530 | [diff] [blame] | 1320 | else if (uevent->uevent == PLD_FW_DOWN) |
| 1321 | cds_set_fw_state(CDS_FW_STATE_DOWN); |
Yuanyuan Liu | 06a342f | 2017-01-12 16:48:19 -0800 | [diff] [blame] | 1322 | } |
| 1323 | |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1324 | #ifdef FEATURE_RUNTIME_PM |
| 1325 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1326 | * wlan_hdd_pld_runtime_suspend() - runtime suspend function registered to PLD |
| 1327 | * @dev: device |
| 1328 | * @pld_bus_type: PLD bus type |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1329 | * |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1330 | * Return: 0 on success |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1331 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1332 | static int wlan_hdd_pld_runtime_suspend(struct device *dev, |
| 1333 | enum pld_bus_type bus_type) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1334 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1335 | return wlan_hdd_runtime_suspend(dev); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1336 | } |
| 1337 | |
| 1338 | /** |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1339 | * wlan_hdd_pld_runtime_resume() - runtime resume function registered to PLD |
| 1340 | * @dev: device |
| 1341 | * @pld_bus_type: PLD bus type |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1342 | * |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1343 | * Return: 0 on success |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1344 | */ |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1345 | static int wlan_hdd_pld_runtime_resume(struct device *dev, |
| 1346 | enum pld_bus_type bus_type) |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1347 | { |
Yuanyuan Liu | 1373850 | 2016-04-06 17:41:37 -0700 | [diff] [blame] | 1348 | return wlan_hdd_runtime_resume(dev); |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1349 | } |
| 1350 | #endif |
| 1351 | |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1352 | struct pld_driver_ops wlan_drv_ops = { |
| 1353 | .probe = wlan_hdd_pld_probe, |
| 1354 | .remove = wlan_hdd_pld_remove, |
| 1355 | .shutdown = wlan_hdd_pld_shutdown, |
| 1356 | .reinit = wlan_hdd_pld_reinit, |
| 1357 | .crash_shutdown = wlan_hdd_pld_crash_shutdown, |
| 1358 | .suspend = wlan_hdd_pld_suspend, |
| 1359 | .resume = wlan_hdd_pld_resume, |
Rajeev Kumar | 99805a7 | 2016-08-29 13:53:52 -0700 | [diff] [blame] | 1360 | .suspend_noirq = wlan_hdd_pld_suspend_noirq, |
| 1361 | .resume_noirq = wlan_hdd_pld_resume_noirq, |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 1362 | .reset_resume = wlan_hdd_pld_reset_resume, |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1363 | .modem_status = wlan_hdd_pld_notify_handler, |
Anurag Chouhan | 1ddb9b3 | 2017-04-13 13:57:09 +0530 | [diff] [blame] | 1364 | .uevent = wlan_hdd_pld_uevent, |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1365 | #ifdef FEATURE_RUNTIME_PM |
Jeff Johnson | 330292a | 2016-05-16 16:09:49 -0700 | [diff] [blame] | 1366 | .runtime_suspend = wlan_hdd_pld_runtime_suspend, |
| 1367 | .runtime_resume = wlan_hdd_pld_runtime_resume, |
Houston Hoffman | e893708 | 2015-11-10 16:49:12 -0800 | [diff] [blame] | 1368 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1369 | }; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1370 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1371 | int wlan_hdd_register_driver(void) |
| 1372 | { |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1373 | return pld_register_driver(&wlan_drv_ops); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1374 | } |
| 1375 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1376 | void wlan_hdd_unregister_driver(void) |
| 1377 | { |
Yuanyuan Liu | 1d8045c | 2016-04-06 16:40:49 -0700 | [diff] [blame] | 1378 | pld_unregister_driver(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1379 | } |