diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rfi.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rfi.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c new file mode 100644 index 000000000..bb77bc9aa --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2020 - 2021 Intel Corporation + */ + +#include "mvm.h" +#include "fw/api/commands.h" +#include "fw/api/phy-ctxt.h" + +/* + * DDR needs frequency in units of 16.666MHz, so provide FW with the + * frequency values in the adjusted format. + */ +static const struct iwl_rfi_lut_entry iwl_rfi_table[IWL_RFI_LUT_SIZE] = { + /* frequency 2667MHz */ + {cpu_to_le16(160), {50, 58, 60, 62, 64, 52, 54, 56}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 2933MHz */ + {cpu_to_le16(176), {149, 151, 153, 157, 159, 161, 165, 163, 167, 169, + 171, 173, 175}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 3200MHz */ + {cpu_to_le16(192), {79, 81, 83, 85, 87, 89, 91, 93}, + {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, + PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}}, + + /* frequency 3733MHz */ + {cpu_to_le16(223), {114, 116, 118, 120, 122, 106, 110, 124, 126}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 4000MHz */ + {cpu_to_le16(240), {114, 151, 155, 157, 159, 161, 165}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 4267MHz */ + {cpu_to_le16(256), {79, 83, 85, 87, 89, 91, 93,}, + {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, + PHY_BAND_6, PHY_BAND_6,}}, + + /* frequency 4400MHz */ + {cpu_to_le16(264), {111, 119, 123, 125, 129, 131, 133, 135, 143,}, + {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, + PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}}, + + /* frequency 5200MHz */ + {cpu_to_le16(312), {36, 38, 40, 42, 44, 46, 50,}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 5600MHz */ + {cpu_to_le16(336), {106, 110, 112, 114, 116, 118, 120, 122}, + {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, + PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}}, + + /* frequency 6000MHz */ + {cpu_to_le16(360), {3, 5, 7, 9, 11, 13, 15,}, + {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, + PHY_BAND_6, PHY_BAND_6,}}, + + /* frequency 6400MHz */ + {cpu_to_le16(384), {79, 83, 85, 87, 89, 91, 93,}, + {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, + PHY_BAND_6, PHY_BAND_6,}}, +}; + +int iwl_rfi_send_config_cmd(struct iwl_mvm *mvm, struct iwl_rfi_lut_entry *rfi_table) +{ + int ret; + struct iwl_rfi_config_cmd cmd; + struct iwl_host_cmd hcmd = { + .id = WIDE_ID(SYSTEM_GROUP, RFI_CONFIG_CMD), + .dataflags[0] = IWL_HCMD_DFL_DUP, + .data[0] = &cmd, + .len[0] = sizeof(cmd), + }; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) + return -EOPNOTSUPP; + + lockdep_assert_held(&mvm->mutex); + + /* in case no table is passed, use the default one */ + if (!rfi_table) { + memcpy(cmd.table, iwl_rfi_table, sizeof(cmd.table)); + } else { + memcpy(cmd.table, rfi_table, sizeof(cmd.table)); + /* notify FW the table is not the default one */ + cmd.oem = 1; + } + + ret = iwl_mvm_send_cmd(mvm, &hcmd); + + if (ret) + IWL_ERR(mvm, "Failed to send RFI config cmd %d\n", ret); + + return ret; +} + +struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm) +{ + struct iwl_rfi_freq_table_resp_cmd *resp; + int resp_size = sizeof(*resp); + int ret; + struct iwl_host_cmd cmd = { + .id = WIDE_ID(SYSTEM_GROUP, RFI_GET_FREQ_TABLE_CMD), + .flags = CMD_WANT_SKB, + }; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT)) + return ERR_PTR(-EOPNOTSUPP); + + mutex_lock(&mvm->mutex); + ret = iwl_mvm_send_cmd(mvm, &cmd); + mutex_unlock(&mvm->mutex); + if (ret) + return ERR_PTR(ret); + + if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size)) + return ERR_PTR(-EIO); + + resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL); + if (!resp) + return ERR_PTR(-ENOMEM); + + iwl_free_resp(&cmd); + return resp; +} + +void iwl_rfi_deactivate_notif_handler(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_rfi_deactivate_notif *notif = (void *)pkt->data; + + IWL_INFO(mvm, "RFIm is deactivated, reason = %d\n", notif->reason); +} |