sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wifi: Add support for wifi time average SAR config

Browse Source 
Add support for the WTAS ACPI BIOS configuration table as per the
connectivity document:
559910_Intel_Connectivity_Platforms_BIOS_Guidelines_Rev6_4.pdf

BUG=b:193665559
TEST=Generated SAR file with the WTAS related configuration values and
verified that the SSDT has the WTAS ACPI table.

Change-Id: I42cf3cba7974e6db0e05de30846ef103a15fd584
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57061
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Sugnan Prabhu S
2021-08-31 07:19:30 +05:30
committed by Tim Wawrzynczak
parent d1fc832c52
commit cc50770cd0
3 changed files with 78 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/vendorcode/google/chromeos/sar.c
View File

@ -76,6 +76,14 @@ static int gain_table_size(const struct gain_profile *gain)
return sizeof(struct gain_profile) + (gain->chains_count * gain->bands_count);
}
static int sar_avg_table_size(const struct avg_profile *sar_avg)
{
if (sar_avg == NULL)
return 0;
return sizeof(struct avg_profile);
}
static bool valid_legacy_length(size_t bin_len)
{
if (bin_len == LEGACY_SAR_WGDS_BIN_SIZE)
@ -125,6 +133,7 @@ static int fill_wifi_sar_limits(union wifi_sar_limits *sar_limits, const uint8_t
expected_sar_bin_size += sar_table_size(sar_limits->sar);
expected_sar_bin_size += wgds_table_size(sar_limits->wgds);
expected_sar_bin_size += gain_table_size(sar_limits->ppag);
expected_sar_bin_size += sar_avg_table_size(sar_limits->wtas);
if (sar_bin_size != expected_sar_bin_size) {
printk(BIOS_ERR, "ERROR: Invalid SAR size, expected: %ld, obtained: %ld\n",
@ -188,6 +197,7 @@ static int fill_wifi_sar_limits_legacy(union wifi_sar_limits *sar_limits,
* [SAR_REVISION,DSAR_SET_COUNT,CHAINS_COUNT,SUBBANDS_COUNT <WRDD>[EWRD]]
* [WGDS_REVISION,CHAINS_COUNT,SUBBANDS_COUNT<WGDS_DATA>]
* [PPAG_REVISION,MODE,CHAINS_COUNT,SUBBANDS_COUNT<PPAG_DATA>]
* [WTAS_REVISION, WTAS_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
@ -222,6 +232,11 @@ static int fill_wifi_sar_limits_legacy(union wifi_sar_limits *sar_limits,
* [Antenna gain used for 6525-6705MHz frequency]
* [Antenna gain used for 6705-6865MHz frequency]
* [Antenna gain used for 6865-7105MHz frequency]
*
* [WTAS_DATA] =
* [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]
*/
int get_wifi_sar_limits(union wifi_sar_limits *sar_limits)
{