From 89566946fb6ff46b85ae2c560076fb377d0f8128 Mon Sep 17 00:00:00 2001 From: Poornima Tom Date: Thu, 11 Apr 2024 07:07:42 +0530 Subject: drivers/wifi: Support 320Mhz Bandwidth Enablement per MCC Add support for the configuration of 320MHz Bandwidth per MCC based on countries. The implementation follows document #559910 Intel Connectivity Platforms BIOS Guidelines revision 8.3. BUG=b:333804562 BRANCH=firmware-rex-15709.B TEST=WBEM method is added to the CNVW device and return the data supplied by the SAR binary blob Change-Id: Ie76794825f1a0104d199c078aa4ffc714aa95b17 Signed-off-by: Poornima Tom Signed-off-by: Jeremy Compostella Reviewed-on: https://review.coreboot.org/c/coreboot/+/81790 Reviewed-by: Subrata Banik Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- src/vendorcode/google/chromeos/sar.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/vendorcode/google') diff --git a/src/vendorcode/google/chromeos/sar.c b/src/vendorcode/google/chromeos/sar.c index 8195886ebc..50c59d5ed0 100644 --- a/src/vendorcode/google/chromeos/sar.c +++ b/src/vendorcode/google/chromeos/sar.c @@ -102,6 +102,14 @@ static int bsar_table_size(const struct bsar_profile *bsar) return sizeof(struct bsar_profile); } +static int wbem_table_size(const struct wbem_profile *wbem) +{ + if (wbem == NULL) + return 0; + + return sizeof(struct wbem_profile); +} + static bool valid_legacy_length(size_t bin_len) { if (bin_len == LEGACY_SAR_WGDS_BIN_SIZE) @@ -154,6 +162,7 @@ static int fill_wifi_sar_limits(union wifi_sar_limits *sar_limits, const uint8_t expected_sar_bin_size += sar_avg_table_size(sar_limits->wtas); expected_sar_bin_size += dsm_table_size(sar_limits->dsm); expected_sar_bin_size += bsar_table_size(sar_limits->bsar); + expected_sar_bin_size += wbem_table_size(sar_limits->wbem); if (sar_bin_size != expected_sar_bin_size) { printk(BIOS_ERR, "Invalid SAR size, expected: %zu, obtained: %zu\n", @@ -220,6 +229,7 @@ static int fill_wifi_sar_limits_legacy(union wifi_sar_limits *sar_limits, * [WTAS_REVISION, WTAS_DATA] * [DSM_RETURN_VALUES] * [BSAR_REVISION,IPML,LB,BR,EDR2,EDR3,LE,LE2,LE_LR] + * [WBEM_REVISION, WBEM_DATA] * * The configuration data will always have the revision added in the file for each of the * block, based on the revision number and validity, size of the specific block will be @@ -259,6 +269,8 @@ static int fill_wifi_sar_limits_legacy(union wifi_sar_limits *sar_limits, * [Enable/disable the TAS feature] * [Number of blocked countries that are not approved by the OEM to support this feature] * [deny_list_entry_<1-16>: ISO country code to block] + * [WBEM_DATA] = + * [Enable or disable 320MHZ Bandwidth for Japan, SouthKorea] */ int get_wifi_sar_limits(union wifi_sar_limits *sar_limits) { -- cgit v1.2.3