rfi.c

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    1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
    2 /*
    3  * Copyright (C) 2020 - 2021 Intel Corporation
    4  */
    5 
    6 #include "mvm.h"
    7 #include "fw/api/commands.h"
    8 #include "fw/api/phy-ctxt.h"
    9 
   10 /*
   11  * DDR needs frequency in units of 16.666MHz, so provide FW with the
   12  * frequency values in the adjusted format.
   13  */
   14 static const struct iwl_rfi_lut_entry iwl_rfi_table[IWL_RFI_LUT_SIZE] = {
   15         /* frequency 2667MHz */
   16         {cpu_to_le16(160), {50, 58, 60, 62, 64, 52, 54, 56},
   17               {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   18                PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},
   19 
   20         /* frequency 2933MHz */
   21         {cpu_to_le16(176), {149, 151, 153, 157, 159, 161, 165, 163, 167, 169,
   22                             171, 173, 175},
   23               {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   24                PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   25                PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},
   26 
   27         /* frequency 3200MHz */
   28         {cpu_to_le16(192), {79, 81, 83, 85, 87, 89, 91, 93},
   29               {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
   30                PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}},
   31 
   32         /* frequency 3733MHz */
   33         {cpu_to_le16(223), {114, 116, 118, 120, 122, 106, 110, 124, 126},
   34               {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   35                PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},
   36 
   37         /* frequency 4000MHz */
   38         {cpu_to_le16(240), {114, 151, 155, 157, 159, 161, 165},
   39               {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   40                PHY_BAND_5, PHY_BAND_5,}},
   41 
   42         /* frequency 4267MHz */
   43         {cpu_to_le16(256), {79, 83, 85, 87, 89, 91, 93,},
   44                {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
   45                 PHY_BAND_6, PHY_BAND_6,}},
   46 
   47         /* frequency 4400MHz */
   48         {cpu_to_le16(264), {111, 119, 123, 125, 129, 131, 133, 135, 143,},
   49               {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
   50                PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}},
   51 
   52         /* frequency 5200MHz */
   53         {cpu_to_le16(312), {36, 38, 40, 42, 44, 46, 50,},
   54                {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   55                 PHY_BAND_5, PHY_BAND_5,}},
   56 
   57         /* frequency 5600MHz */
   58         {cpu_to_le16(336), {106, 110, 112, 114, 116, 118, 120, 122},
   59                {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
   60                 PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},
   61 
   62         /* frequency 6000MHz */
   63         {cpu_to_le16(360), {3, 5, 7, 9, 11, 13, 15,},
   64                {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
   65                 PHY_BAND_6, PHY_BAND_6,}},
   66 
   67         /* frequency 6400MHz */
   68         {cpu_to_le16(384), {79, 83, 85, 87, 89, 91, 93,},
   69                {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
   70                 PHY_BAND_6, PHY_BAND_6,}},
   71 };
   72 
   73 int iwl_rfi_send_config_cmd(struct iwl_mvm *mvm, struct iwl_rfi_lut_entry *rfi_table)
   74 {
   75         int ret;
   76         struct iwl_rfi_config_cmd cmd;
   77         struct iwl_host_cmd hcmd = {
   78                 .id = WIDE_ID(SYSTEM_GROUP, RFI_CONFIG_CMD),
   79                 .dataflags[0] = IWL_HCMD_DFL_DUP,
   80                 .data[0] = &cmd,
   81                 .len[0] = sizeof(cmd),
   82         };
   83 
   84         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT))
   85                 return -EOPNOTSUPP;
   86 
   87         lockdep_assert_held(&mvm->mutex);
   88 
   89         /* in case no table is passed, use the default one */
   90         if (!rfi_table) {
   91                 memcpy(cmd.table, iwl_rfi_table, sizeof(cmd.table));
   92         } else {
   93                 memcpy(cmd.table, rfi_table, sizeof(cmd.table));
   94                 /* notify FW the table is not the default one */
   95                 cmd.oem = 1;
   96         }
   97 
   98         ret = iwl_mvm_send_cmd(mvm, &hcmd);
   99 
  100         if (ret)
  101                 IWL_ERR(mvm, "Failed to send RFI config cmd %d\n", ret);
  102 
  103         return ret;
  104 }
  105 
  106 struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm)
  107 {
  108         struct iwl_rfi_freq_table_resp_cmd *resp;
  109         int resp_size = sizeof(*resp);
  110         int ret;
  111         struct iwl_host_cmd cmd = {
  112                 .id = WIDE_ID(SYSTEM_GROUP, RFI_GET_FREQ_TABLE_CMD),
  113                 .flags = CMD_WANT_SKB,
  114         };
  115 
  116         if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT))
  117                 return ERR_PTR(-EOPNOTSUPP);
  118 
  119         mutex_lock(&mvm->mutex);
  120         ret = iwl_mvm_send_cmd(mvm, &cmd);
  121         mutex_unlock(&mvm->mutex);
  122         if (ret)
  123                 return ERR_PTR(ret);
  124 
  125         if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size))
  126                 return ERR_PTR(-EIO);
  127 
  128         resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL);
  129         if (!resp)
  130                 return ERR_PTR(-ENOMEM);
  131 
  132         iwl_free_resp(&cmd);
  133         return resp;
  134 }
  135 
  136 void iwl_rfi_deactivate_notif_handler(struct iwl_mvm *mvm,
  137                                       struct iwl_rx_cmd_buffer *rxb)
  138 {
  139         struct iwl_rx_packet *pkt = rxb_addr(rxb);
  140         struct iwl_rfi_deactivate_notif *notif = (void *)pkt->data;
  141 
  142         IWL_INFO(mvm, "RFIm is deactivated, reason = %d\n", notif->reason);
  143 }

Cache object: 2586247dc6f97104deafb723124b092e

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FreeBSD/Linux Kernel Cross Reference sys/contrib/dev/iwlwifi/mvm/rfi.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/iwlwifi/mvm/rfi.c