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drivers/wifi: Support Bluetooth Dual Chain Mode

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This feature provides ability to provide dual chain setting.

The implementation follows document 559910 Intel Connectivity
Platforms BIOS Guideline revision 9.2 specification.

BUG=b:346600091
TEST=BDCM method is added to the bluetooth companion device and
     return the data supplied by the SAR binary blob

Change-Id: Iebe95815c944d045f4cf686abcd1874a8a45e220
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84943
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
This commit is contained in:
Jeremy Compostella 2024-10-29 10:40:27 -07:00 • committed by Jérémy Compostella
commit 67dff1b2b1
3 changed files with 53 additions and 1 deletions
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9
src/vendorcode/google/chromeos/sar.c
View file

@ -126,6 +126,14 @@ static size_t bbfb_table_size(const struct bbfb_profile *bbfb)
return sizeof(struct bbfb_profile);
}
static size_t bdcm_table_size(const struct bdcm_profile *bdcm)
{
if (bdcm == NULL)
return 0;
return sizeof(struct bdcm_profile);
}
static bool valid_legacy_length(size_t bin_len)
{
if (bin_len == LEGACY_SAR_WGDS_BIN_SIZE)
@ -181,6 +189,7 @@ static int fill_wifi_sar_limits(union wifi_sar_limits *sar_limits, const uint8_t
expected_sar_bin_size += wbem_table_size(sar_limits->wbem);
expected_sar_bin_size += bpag_table_size(sar_limits->bpag);
expected_sar_bin_size += bbfb_table_size(sar_limits->bbfb);
expected_sar_bin_size += bdcm_table_size(sar_limits->bdcm);
if (sar_bin_size != expected_sar_bin_size) {
printk(BIOS_ERR, "Invalid SAR size, expected: %zu, obtained: %zu\n",