Pankaj Singh | 50e4042 | 2020-01-09 15:29:35 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2020 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | /** |
| 20 | * DOC: wlan_hdd_thermal.c |
| 21 | * |
| 22 | * WLAN Host Device Driver implementation for thermal mitigation handling |
| 23 | */ |
| 24 | |
| 25 | #include <wlan_hdd_includes.h> |
| 26 | #include <net/cfg80211.h> |
| 27 | #include "wlan_osif_priv.h" |
| 28 | #include "qdf_trace.h" |
| 29 | #include "wlan_hdd_main.h" |
| 30 | #include "osif_sync.h" |
| 31 | #include <linux/limits.h> |
| 32 | #include <wlan_hdd_object_manager.h> |
| 33 | #include "sme_api.h" |
| 34 | #include "wlan_hdd_thermal.h" |
| 35 | #include "wlan_hdd_cfg80211.h" |
| 36 | #include <qca_vendor.h> |
| 37 | #include "wlan_fwol_ucfg_api.h" |
| 38 | |
| 39 | static const struct nla_policy |
| 40 | wlan_hdd_thermal_mitigation_policy |
| 41 | [QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_MAX + 1] = { |
| 42 | [QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_VALUE] = {.type = NLA_U32}, |
| 43 | [QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL] = { |
| 44 | .type = NLA_U32}, |
| 45 | }; |
| 46 | |
| 47 | /** |
| 48 | * __wlan_hdd_cfg80211_set_thermal_mitigation_policy() - Set the thermal policy |
| 49 | * @wiphy: Pointer to wireless phy |
| 50 | * @wdev: Pointer to wireless device |
| 51 | * @data: Pointer to data |
| 52 | * @data_len: Length of @data |
| 53 | * |
| 54 | * Return: 0 on success, negative errno on failure |
| 55 | */ |
| 56 | static int |
| 57 | __wlan_hdd_cfg80211_set_thermal_mitigation_policy(struct wiphy *wiphy, |
| 58 | struct wireless_dev *wdev, |
| 59 | const void *data, |
| 60 | int data_len) |
| 61 | { |
| 62 | struct hdd_context *hdd_ctx = wiphy_priv(wiphy); |
| 63 | struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_MAX + 1]; |
| 64 | bool enable = true; |
| 65 | uint32_t dc, dc_off_percent, level, cmd_type; |
| 66 | uint32_t prio = 0, target_temp = 0; |
| 67 | struct wlan_fwol_thermal_temp thermal_temp = {0}; |
| 68 | QDF_STATUS status; |
| 69 | |
| 70 | hdd_enter(); |
| 71 | |
| 72 | if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
| 73 | hdd_err_rl("Command not allowed in FTM mode"); |
| 74 | return -EPERM; |
| 75 | } |
| 76 | |
| 77 | if (wlan_cfg80211_nla_parse(tb, |
| 78 | QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_MAX, |
| 79 | (struct nlattr *)data, data_len, |
| 80 | wlan_hdd_thermal_mitigation_policy)) { |
| 81 | hdd_err_rl("Invalid attribute"); |
| 82 | return -EINVAL; |
| 83 | } |
| 84 | |
| 85 | if (!tb[QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_VALUE]) { |
| 86 | hdd_err_rl("attr thermal cmd value failed"); |
| 87 | return -EINVAL; |
| 88 | } |
| 89 | |
| 90 | cmd_type = nla_get_u32(tb[QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_VALUE]); |
| 91 | if (cmd_type != QCA_WLAN_VENDOR_ATTR_THERMAL_CMD_TYPE_SET_LEVEL) { |
| 92 | hdd_err_rl("invalid thermal cmd value"); |
| 93 | return -EINVAL; |
| 94 | } |
| 95 | |
| 96 | if (!tb[QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL]) { |
| 97 | hdd_err_rl("attr thermal throttle set failed"); |
| 98 | return -EINVAL; |
| 99 | } |
| 100 | level = |
| 101 | nla_get_u32(tb[QCA_WLAN_VENDOR_ATTR_THERMAL_LEVEL]); |
| 102 | |
| 103 | hdd_debug("thermal mitigation level %d", level); |
| 104 | |
| 105 | status = ucfg_fwol_get_thermal_temp(hdd_ctx->psoc, &thermal_temp); |
| 106 | if (QDF_IS_STATUS_ERROR(status)) { |
| 107 | hdd_err_rl("Failed to get fwol thermal obj"); |
| 108 | return qdf_status_to_os_return(status); |
| 109 | } |
| 110 | |
| 111 | switch (level) { |
| 112 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_EMERGENCY: |
| 113 | dc_off_percent = thermal_temp.throttle_dutycycle_level[5]; |
| 114 | break; |
| 115 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_CRITICAL: |
| 116 | dc_off_percent = thermal_temp.throttle_dutycycle_level[4]; |
| 117 | break; |
| 118 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_SEVERE: |
| 119 | dc_off_percent = thermal_temp.throttle_dutycycle_level[3]; |
| 120 | break; |
| 121 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_MODERATE: |
| 122 | dc_off_percent = thermal_temp.throttle_dutycycle_level[2]; |
| 123 | break; |
| 124 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_LIGHT: |
| 125 | dc_off_percent = thermal_temp.throttle_dutycycle_level[1]; |
| 126 | break; |
| 127 | case QCA_WLAN_VENDOR_THERMAL_LEVEL_NONE: |
| 128 | enable = false; |
| 129 | dc_off_percent = thermal_temp.throttle_dutycycle_level[0]; |
| 130 | break; |
| 131 | default: |
| 132 | hdd_debug("Invalid thermal state"); |
| 133 | return -EINVAL; |
| 134 | } |
| 135 | |
| 136 | dc = thermal_temp.thermal_sampling_time; |
| 137 | hdd_debug("dc %d dc_off_per %d", dc, dc_off_percent); |
| 138 | |
| 139 | status = sme_set_thermal_throttle_cfg(hdd_ctx->mac_handle, |
| 140 | enable, |
| 141 | dc, |
| 142 | dc_off_percent, |
| 143 | prio, |
| 144 | target_temp); |
| 145 | if (QDF_IS_STATUS_ERROR(status)) |
| 146 | hdd_err_rl("Failed to set throttle configuration %d", status); |
| 147 | |
| 148 | return qdf_status_to_os_return(status); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * wlan_hdd_cfg80211_set_thermal_mitigation_policy() - set thermal |
| 153 | * mitigation policy |
| 154 | * @wiphy: wiphy pointer |
| 155 | * @wdev: pointer to struct wireless_dev |
| 156 | * @data: pointer to incoming NL vendor data |
| 157 | * @data_len: length of @data |
| 158 | * |
| 159 | * Return: 0 on success; error number otherwise. |
| 160 | */ |
| 161 | int |
| 162 | wlan_hdd_cfg80211_set_thermal_mitigation_policy(struct wiphy *wiphy, |
| 163 | struct wireless_dev *wdev, |
| 164 | const void *data, int data_len) |
| 165 | { |
| 166 | struct osif_psoc_sync *psoc_sync; |
| 167 | int errno; |
| 168 | |
| 169 | errno = osif_psoc_sync_op_start(wiphy_dev(wiphy), &psoc_sync); |
| 170 | if (errno) |
| 171 | return errno; |
| 172 | |
| 173 | errno = __wlan_hdd_cfg80211_set_thermal_mitigation_policy(wiphy, wdev, |
| 174 | data, |
| 175 | data_len); |
| 176 | |
| 177 | osif_psoc_sync_op_stop(psoc_sync); |
| 178 | |
| 179 | return errno; |
| 180 | } |
| 181 | |
| 182 | bool wlan_hdd_thermal_config_support(void) |
| 183 | { |
| 184 | return true; |
| 185 | } |
| 186 | |