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// 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] = {
/* LPDDR4 */
/* frequency 3733MHz */
{cpu_to_le16(223), {114, 116, 118, 120, 122,},
{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,}},
/* DDR5ePOR */
/* frequency 4000MHz */
{cpu_to_le16(240), {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 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,}},
/* LPDDR5iPOR */
/* frequency 5200MHz */
{cpu_to_le16(312), {36, 38, 40, 42, 50,},
{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 = kzalloc(resp_size, GFP_KERNEL);
if (!resp)
return ERR_PTR(-ENOMEM);
memcpy(resp, cmd.resp_pkt->data, resp_size);
iwl_free_resp(&cmd);
return resp;
}
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