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wifi: iwlwifi: prepare for reading PPAG table from UEFI
As PPAG table is going to be read from UEFI, there are some cleanups required: Move functions/definitions that are common to both UEFI and ACPI to regulatory.h/c. In addition, rename the functions/macros names so it will be clear which one is ACPI specific, and which is common for ACPI and UEFI. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Reviewed-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://msgid.link/20240131091413.25623670b422.I8132af7517e4faf0ea8cbeb2efe9651edd319b98@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit
Johannes Berg
parent
be3a8cbb1c
commit
09059c6764
5 changed files with 187 additions and 203 deletions
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@ -4,7 +4,6 @@
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* Copyright (C) 2019-2023 Intel Corporation
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*/
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#include <linux/uuid.h>
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#include <linux/dmi.h>
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#include "iwl-drv.h"
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#include "iwl-debug.h"
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#include "acpi.h"
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@ -20,63 +19,6 @@ const guid_t iwl_rfi_guid = GUID_INIT(0x7266172C, 0x220B, 0x4B29,
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0xDD, 0x26, 0xB5, 0xFD);
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IWL_EXPORT_SYMBOL(iwl_rfi_guid);
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static const struct dmi_system_id dmi_ppag_approved_list[] = {
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{ .ident = "HP",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "HP"),
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},
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},
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{ .ident = "SAMSUNG",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
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},
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},
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{ .ident = "MSFT",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
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},
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},
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{ .ident = "ASUS",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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},
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},
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{ .ident = "GOOGLE-HP",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
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},
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},
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{ .ident = "GOOGLE-ASUS",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek COMPUTER INC."),
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},
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},
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{ .ident = "GOOGLE-SAMSUNG",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
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},
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},
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{ .ident = "DELL",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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},
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},
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{ .ident = "DELL",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
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},
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},
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{ .ident = "RAZER",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Razer"),
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},
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},
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{}
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};
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static int iwl_acpi_get_handle(struct device *dev, acpi_string method,
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acpi_handle *ret_handle)
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{
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@ -1002,7 +944,7 @@ read_table:
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goto out_free;
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}
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fwrt->ppag_flags = flags->integer.value & ACPI_PPAG_MASK;
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fwrt->ppag_flags = flags->integer.value & IWL_PPAG_ETSI_CHINA_MASK;
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cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw,
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WIDE_ID(PHY_OPS_GROUP,
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PER_PLATFORM_ANT_GAIN_CMD),
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@ -1036,11 +978,11 @@ read_table:
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if (cmd_ver >= 4)
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continue;
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if ((j == 0 &&
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(fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_LB ||
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fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_LB)) ||
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(fwrt->ppag_chains[i].subbands[j] > IWL_PPAG_MAX_LB ||
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fwrt->ppag_chains[i].subbands[j] < IWL_PPAG_MIN_LB)) ||
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(j != 0 &&
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(fwrt->ppag_chains[i].subbands[j] > ACPI_PPAG_MAX_HB ||
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fwrt->ppag_chains[i].subbands[j] < ACPI_PPAG_MIN_HB))) {
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(fwrt->ppag_chains[i].subbands[j] > IWL_PPAG_MAX_HB ||
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fwrt->ppag_chains[i].subbands[j] < IWL_PPAG_MIN_HB))) {
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ret = -EINVAL;
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goto out_free;
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}
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@ -1056,110 +998,6 @@ out_free:
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}
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IWL_EXPORT_SYMBOL(iwl_acpi_get_ppag_table);
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int iwl_fill_ppag_table(struct iwl_fw_runtime *fwrt,
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union iwl_ppag_table_cmd *cmd,
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int *cmd_size)
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{
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u8 cmd_ver;
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int i, j, num_sub_bands;
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s8 *gain;
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/* many firmware images for JF lie about this */
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if (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id) ==
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CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF))
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return -EOPNOTSUPP;
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if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
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IWL_DEBUG_RADIO(fwrt,
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"PPAG capability not supported by FW, command not sent.\n");
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return -EINVAL;
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}
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cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw,
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WIDE_ID(PHY_OPS_GROUP,
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PER_PLATFORM_ANT_GAIN_CMD),
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IWL_FW_CMD_VER_UNKNOWN);
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if (!fwrt->ppag_table_valid || (cmd_ver <= 3 && !fwrt->ppag_flags)) {
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IWL_DEBUG_RADIO(fwrt, "PPAG not enabled, command not sent.\n");
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return -EINVAL;
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}
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/* The 'flags' field is the same in v1 and in v2 so we can just
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* use v1 to access it.
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*/
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cmd->v1.flags = cpu_to_le32(fwrt->ppag_flags);
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IWL_DEBUG_RADIO(fwrt, "PPAG cmd ver is %d\n", cmd_ver);
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if (cmd_ver == 1) {
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num_sub_bands = IWL_NUM_SUB_BANDS_V1;
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gain = cmd->v1.gain[0];
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*cmd_size = sizeof(cmd->v1);
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if (fwrt->ppag_ver == 1 || fwrt->ppag_ver == 2) {
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/* in this case FW supports revision 0 */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG table rev is %d, send truncated table\n",
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fwrt->ppag_ver);
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}
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} else if (cmd_ver >= 2 && cmd_ver <= 4) {
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num_sub_bands = IWL_NUM_SUB_BANDS_V2;
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gain = cmd->v2.gain[0];
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*cmd_size = sizeof(cmd->v2);
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if (fwrt->ppag_ver == 0) {
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/* in this case FW supports revisions 1 or 2 */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG table rev is 0, send padded table\n");
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}
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} else {
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IWL_DEBUG_RADIO(fwrt, "Unsupported PPAG command version\n");
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return -EINVAL;
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}
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/* ppag mode */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG MODE bits were read from bios: %d\n",
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cmd->v1.flags);
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if ((cmd_ver == 1 && !fw_has_capa(&fwrt->fw->ucode_capa,
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IWL_UCODE_TLV_CAPA_PPAG_CHINA_BIOS_SUPPORT)) ||
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(cmd_ver == 2 && fwrt->ppag_ver == 2)) {
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cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
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IWL_DEBUG_RADIO(fwrt, "masking ppag China bit\n");
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} else {
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IWL_DEBUG_RADIO(fwrt, "isn't masking ppag China bit\n");
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}
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IWL_DEBUG_RADIO(fwrt,
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"PPAG MODE bits going to be sent: %d\n",
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cmd->v1.flags);
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for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
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for (j = 0; j < num_sub_bands; j++) {
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gain[i * num_sub_bands + j] =
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fwrt->ppag_chains[i].subbands[j];
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IWL_DEBUG_RADIO(fwrt,
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"PPAG table: chain[%d] band[%d]: gain = %d\n",
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i, j, gain[i * num_sub_bands + j]);
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}
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}
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return 0;
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}
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IWL_EXPORT_SYMBOL(iwl_fill_ppag_table);
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bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
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{
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if (!dmi_check_system(dmi_ppag_approved_list)) {
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IWL_DEBUG_RADIO(fwrt,
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"System vendor '%s' is not in the approved list, disabling PPAG.\n",
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dmi_get_system_info(DMI_SYS_VENDOR));
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fwrt->ppag_flags = 0;
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return false;
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}
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return true;
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}
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IWL_EXPORT_SYMBOL(iwl_acpi_is_ppag_approved);
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void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
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struct iwl_phy_specific_cfg *filters)
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{
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@ -94,29 +94,12 @@
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#define ACPI_PPAG_WIFI_DATA_SIZE_V2 ((IWL_NUM_CHAIN_LIMITS * \
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IWL_NUM_SUB_BANDS_V2) + 2)
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/* PPAG gain value bounds in 1/8 dBm */
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#define ACPI_PPAG_MIN_LB -16
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#define ACPI_PPAG_MAX_LB 24
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#define ACPI_PPAG_MIN_HB -16
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#define ACPI_PPAG_MAX_HB 40
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#define ACPI_PPAG_MASK 3
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#define IWL_PPAG_ETSI_MASK BIT(0)
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#define IWL_SAR_ENABLE_MSK BIT(0)
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#define IWL_REDUCE_POWER_FLAGS_POS 1
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/* The Inidcator whether UEFI WIFI GUID tables are locked is read from ACPI */
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#define UEFI_WIFI_GUID_UNLOCKED 0
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/*
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* The profile for revision 2 is a superset of revision 1, which is in
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* turn a superset of revision 0. So we can store all revisions
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* inside revision 2, which is what we represent here.
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*/
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struct iwl_ppag_chain {
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s8 subbands[ACPI_SAR_NUM_SUB_BANDS_REV2];
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};
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enum iwl_dsm_funcs_rev_0 {
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DSM_FUNC_QUERY = 0,
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DSM_FUNC_DISABLE_SRD = 1,
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@ -207,12 +190,6 @@ __le32 iwl_acpi_get_lari_config_bitmap(struct iwl_fw_runtime *fwrt);
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int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt);
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int iwl_fill_ppag_table(struct iwl_fw_runtime *fwrt,
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union iwl_ppag_table_cmd *cmd,
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int *cmd_size);
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bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt);
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void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
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struct iwl_phy_specific_cfg *filters);
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@ -284,18 +261,6 @@ static inline int iwl_acpi_get_ppag_table(struct iwl_fw_runtime *fwrt)
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return -ENOENT;
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}
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static inline int iwl_fill_ppag_table(struct iwl_fw_runtime *fwrt,
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union iwl_ppag_table_cmd *cmd,
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int *cmd_size)
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{
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return -ENOENT;
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}
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static inline bool iwl_acpi_is_ppag_approved(struct iwl_fw_runtime *fwrt)
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{
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return false;
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}
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static inline void iwl_acpi_get_phy_filters(struct iwl_fw_runtime *fwrt,
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struct iwl_phy_specific_cfg *filters)
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{
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@ -2,6 +2,7 @@
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/*
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* Copyright (C) 2023 Intel Corporation
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*/
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#include <linux/dmi.h>
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#include "iwl-drv.h"
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#include "iwl-debug.h"
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#include "regulatory.h"
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@ -24,6 +25,63 @@ IWL_BIOS_TABLE_LOADER(wrds);
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IWL_BIOS_TABLE_LOADER(ewrd);
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IWL_BIOS_TABLE_LOADER(wgds);
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static const struct dmi_system_id dmi_ppag_approved_list[] = {
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{ .ident = "HP",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "HP"),
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},
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},
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{ .ident = "SAMSUNG",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
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},
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},
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{ .ident = "MSFT",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
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},
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},
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{ .ident = "ASUS",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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},
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},
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{ .ident = "GOOGLE-HP",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
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},
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},
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{ .ident = "GOOGLE-ASUS",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek COMPUTER INC."),
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},
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},
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{ .ident = "GOOGLE-SAMSUNG",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Google"),
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DMI_MATCH(DMI_BOARD_VENDOR, "SAMSUNG ELECTRONICS CO., LTD"),
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},
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},
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{ .ident = "DELL",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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},
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},
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{ .ident = "DELL",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
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},
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},
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{ .ident = "RAZER",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "Razer"),
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},
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},
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{}
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};
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bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt)
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{
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/*
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@ -147,3 +205,106 @@ int iwl_sar_fill_profile(struct iwl_fw_runtime *fwrt,
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return ret;
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}
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IWL_EXPORT_SYMBOL(iwl_sar_fill_profile);
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int iwl_fill_ppag_table(struct iwl_fw_runtime *fwrt,
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union iwl_ppag_table_cmd *cmd, int *cmd_size)
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{
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u8 cmd_ver;
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int i, j, num_sub_bands;
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s8 *gain;
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/* many firmware images for JF lie about this */
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if (CSR_HW_RFID_TYPE(fwrt->trans->hw_rf_id) ==
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CSR_HW_RFID_TYPE(CSR_HW_RF_ID_TYPE_JF))
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return -EOPNOTSUPP;
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if (!fw_has_capa(&fwrt->fw->ucode_capa, IWL_UCODE_TLV_CAPA_SET_PPAG)) {
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IWL_DEBUG_RADIO(fwrt,
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"PPAG capability not supported by FW, command not sent.\n");
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return -EINVAL;
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}
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cmd_ver = iwl_fw_lookup_cmd_ver(fwrt->fw,
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WIDE_ID(PHY_OPS_GROUP,
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PER_PLATFORM_ANT_GAIN_CMD),
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IWL_FW_CMD_VER_UNKNOWN);
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if (!fwrt->ppag_table_valid || (cmd_ver <= 3 && !fwrt->ppag_flags)) {
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IWL_DEBUG_RADIO(fwrt, "PPAG not enabled, command not sent.\n");
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return -EINVAL;
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}
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/* The 'flags' field is the same in v1 and in v2 so we can just
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* use v1 to access it.
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*/
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cmd->v1.flags = cpu_to_le32(fwrt->ppag_flags);
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IWL_DEBUG_RADIO(fwrt, "PPAG cmd ver is %d\n", cmd_ver);
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if (cmd_ver == 1) {
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num_sub_bands = IWL_NUM_SUB_BANDS_V1;
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gain = cmd->v1.gain[0];
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*cmd_size = sizeof(cmd->v1);
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if (fwrt->ppag_ver == 1 || fwrt->ppag_ver == 2) {
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/* in this case FW supports revision 0 */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG table rev is %d, send truncated table\n",
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fwrt->ppag_ver);
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}
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} else if (cmd_ver >= 2 && cmd_ver <= 4) {
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num_sub_bands = IWL_NUM_SUB_BANDS_V2;
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gain = cmd->v2.gain[0];
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*cmd_size = sizeof(cmd->v2);
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if (fwrt->ppag_ver == 0) {
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/* in this case FW supports revisions 1 or 2 */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG table rev is 0, send padded table\n");
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}
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} else {
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IWL_DEBUG_RADIO(fwrt, "Unsupported PPAG command version\n");
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return -EINVAL;
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}
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/* ppag mode */
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IWL_DEBUG_RADIO(fwrt,
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"PPAG MODE bits were read from bios: %d\n",
|
||||
cmd->v1.flags);
|
||||
if ((cmd_ver == 1 &&
|
||||
!fw_has_capa(&fwrt->fw->ucode_capa,
|
||||
IWL_UCODE_TLV_CAPA_PPAG_CHINA_BIOS_SUPPORT)) ||
|
||||
(cmd_ver == 2 && fwrt->ppag_ver == 2)) {
|
||||
cmd->v1.flags &= cpu_to_le32(IWL_PPAG_ETSI_MASK);
|
||||
IWL_DEBUG_RADIO(fwrt, "masking ppag China bit\n");
|
||||
} else {
|
||||
IWL_DEBUG_RADIO(fwrt, "isn't masking ppag China bit\n");
|
||||
}
|
||||
|
||||
IWL_DEBUG_RADIO(fwrt,
|
||||
"PPAG MODE bits going to be sent: %d\n",
|
||||
cmd->v1.flags);
|
||||
|
||||
for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) {
|
||||
for (j = 0; j < num_sub_bands; j++) {
|
||||
gain[i * num_sub_bands + j] =
|
||||
fwrt->ppag_chains[i].subbands[j];
|
||||
IWL_DEBUG_RADIO(fwrt,
|
||||
"PPAG table: chain[%d] band[%d]: gain = %d\n",
|
||||
i, j, gain[i * num_sub_bands + j]);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
IWL_EXPORT_SYMBOL(iwl_fill_ppag_table);
|
||||
|
||||
bool iwl_is_ppag_approved(struct iwl_fw_runtime *fwrt)
|
||||
{
|
||||
if (!dmi_check_system(dmi_ppag_approved_list)) {
|
||||
IWL_DEBUG_RADIO(fwrt,
|
||||
"System vendor '%s' is not in the approved list, disabling PPAG.\n",
|
||||
dmi_get_system_info(DMI_SYS_VENDOR));
|
||||
fwrt->ppag_flags = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
IWL_EXPORT_SYMBOL(iwl_is_ppag_approved);
|
||||
|
|
|
|||
|
|
@ -31,6 +31,15 @@
|
|||
|
||||
#define IWL_SAR_ENABLE_MSK BIT(0)
|
||||
|
||||
/* PPAG gain value bounds in 1/8 dBm */
|
||||
#define IWL_PPAG_MIN_LB -16
|
||||
#define IWL_PPAG_MAX_LB 24
|
||||
#define IWL_PPAG_MIN_HB -16
|
||||
#define IWL_PPAG_MAX_HB 40
|
||||
|
||||
#define IWL_PPAG_ETSI_CHINA_MASK 3
|
||||
#define IWL_PPAG_ETSI_MASK BIT(0)
|
||||
|
||||
/*
|
||||
* The profile for revision 2 is a superset of revision 1, which is in
|
||||
* turn a superset of revision 0. So we can store all revisions
|
||||
|
|
@ -75,6 +84,11 @@ struct iwl_geo_profile {
|
|||
struct iwl_geo_profile_band bands[BIOS_GEO_MAX_NUM_BANDS];
|
||||
};
|
||||
|
||||
/* Same thing as with SAR, all revisions fit in revision 2 */
|
||||
struct iwl_ppag_chain {
|
||||
s8 subbands[BIOS_SAR_MAX_SUB_BANDS_NUM];
|
||||
};
|
||||
|
||||
struct iwl_fw_runtime;
|
||||
|
||||
bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt);
|
||||
|
|
@ -87,6 +101,12 @@ int iwl_sar_fill_profile(struct iwl_fw_runtime *fwrt,
|
|||
__le16 *per_chain, u32 n_tables, u32 n_subbands,
|
||||
int prof_a, int prof_b);
|
||||
|
||||
int iwl_fill_ppag_table(struct iwl_fw_runtime *fwrt,
|
||||
union iwl_ppag_table_cmd *cmd,
|
||||
int *cmd_size);
|
||||
|
||||
bool iwl_is_ppag_approved(struct iwl_fw_runtime *fwrt);
|
||||
|
||||
int iwl_bios_get_wrds_table(struct iwl_fw_runtime *fwrt);
|
||||
|
||||
int iwl_bios_get_ewrd_table(struct iwl_fw_runtime *fwrt);
|
||||
|
|
|
|||
|
|
@ -1104,7 +1104,7 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
|
|||
static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
|
||||
{
|
||||
/* no need to read the table, done in INIT stage */
|
||||
if (!(iwl_acpi_is_ppag_approved(&mvm->fwrt)))
|
||||
if (!(iwl_is_ppag_approved(&mvm->fwrt)))
|
||||
return 0;
|
||||
|
||||
return iwl_mvm_ppag_send_cmd(mvm);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue