From: Luca Coelho <luca@coelho.fi>
To: kvalo@codeaurora.org
Cc: luca@coelho.fi, linux-wireless@vger.kernel.org
Subject: [PATCH 12/12] iwlwifi: acpi: support reading and storing WGDS revision 2
Date: Thu, 5 Aug 2021 14:21:58 +0300 [thread overview]
Message-ID: <iwlwifi.20210805141826.78e441b16f9c.I2d79492f05624ddd02c533c673811a36eaf8a396@changeid> (raw)
In-Reply-To: <20210805112158.460799-1-luca@coelho.fi>
From: Luca Coelho <luciano.coelho@intel.com>
Revisions 0 and 1 are identical, so we were already supporting that.
But revision 2 has a different size, so we have to try to read them
separately.
Add support for this new revision.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
drivers/net/wireless/intel/iwlwifi/fw/acpi.c | 38 +++++++++++++++-----
drivers/net/wireless/intel/iwlwifi/fw/acpi.h | 19 ++++++----
2 files changed, 43 insertions(+), 14 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 1802a451c450..de1e9271dcd2 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -703,27 +703,49 @@ int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt)
union acpi_object *wifi_pkg, *data;
int i, j, k, ret, tbl_rev;
int idx = 1; /* start from one to skip the domain */
+ u8 num_bands;
data = iwl_acpi_get_object(fwrt->dev, ACPI_WGDS_METHOD);
if (IS_ERR(data))
return PTR_ERR(data);
+ /* start by trying to read revision 2 */
wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data,
- ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev);
+ ACPI_WGDS_WIFI_DATA_SIZE_REV2,
+ &tbl_rev);
+ if (!IS_ERR(wifi_pkg)) {
+ if (tbl_rev != 2) {
+ ret = PTR_ERR(wifi_pkg);
+ goto out_free;
+ }
- if (IS_ERR(wifi_pkg)) {
- ret = PTR_ERR(wifi_pkg);
- goto out_free;
+ num_bands = ACPI_GEO_NUM_BANDS_REV2;
+
+ goto read_table;
}
- if (tbl_rev > 1) {
- ret = -EINVAL;
- goto out_free;
+ /* then try revision 0 (which is the same as 1) */
+ wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data,
+ ACPI_WGDS_WIFI_DATA_SIZE_REV0,
+ &tbl_rev);
+ if (!IS_ERR(wifi_pkg)) {
+ if (tbl_rev != 0 && tbl_rev != 1) {
+ ret = PTR_ERR(wifi_pkg);
+ goto out_free;
+ }
+
+ num_bands = ACPI_GEO_NUM_BANDS_REV0;
+
+ goto read_table;
}
+ ret = PTR_ERR(wifi_pkg);
+ goto out_free;
+
+read_table:
fwrt->geo_rev = tbl_rev;
for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) {
- for (j = 0; j < ACPI_GEO_NUM_BANDS_REV0; j++) {
+ for (j = 0; j < num_bands; j++) {
union acpi_object *entry;
entry = &wifi_pkg->package.elements[idx++];
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
index a424186af3c8..16ed0995b51e 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
@@ -38,11 +38,6 @@
#define ACPI_SAR_NUM_SUB_BANDS_REV1 11
#define ACPI_SAR_NUM_SUB_BANDS_REV2 11
-#define ACPI_GEO_NUM_CHAINS 2
-#define ACPI_GEO_NUM_BANDS_REV0 2
-#define ACPI_GEO_NUM_BANDS_REV1 2
-#define ACPI_GEO_NUM_BANDS_REV2 3
-
#define ACPI_WRDS_WIFI_DATA_SIZE_REV0 (ACPI_SAR_NUM_CHAINS_REV0 * \
ACPI_SAR_NUM_SUB_BANDS_REV0 + 2)
#define ACPI_WRDS_WIFI_DATA_SIZE_REV1 (ACPI_SAR_NUM_CHAINS_REV1 * \
@@ -58,7 +53,19 @@
#define ACPI_EWRD_WIFI_DATA_SIZE_REV2 ((ACPI_SAR_PROFILE_NUM - 1) * \
ACPI_SAR_NUM_CHAINS_REV2 * \
ACPI_SAR_NUM_SUB_BANDS_REV2 + 3)
-#define ACPI_WGDS_WIFI_DATA_SIZE 19
+
+/* revision 0 and 1 are identical, except for the semantics in the FW */
+#define ACPI_GEO_NUM_BANDS_REV0 2
+#define ACPI_GEO_NUM_BANDS_REV2 3
+#define ACPI_GEO_NUM_CHAINS 2
+
+#define ACPI_WGDS_WIFI_DATA_SIZE_REV0 (ACPI_NUM_GEO_PROFILES * \
+ ACPI_GEO_NUM_BANDS_REV0 * \
+ ACPI_GEO_PER_CHAIN_SIZE + 1)
+#define ACPI_WGDS_WIFI_DATA_SIZE_REV2 (ACPI_NUM_GEO_PROFILES * \
+ ACPI_GEO_NUM_BANDS_REV2 * \
+ ACPI_GEO_PER_CHAIN_SIZE + 1)
+
#define ACPI_WRDD_WIFI_DATA_SIZE 2
#define ACPI_SPLC_WIFI_DATA_SIZE 2
#define ACPI_ECKV_WIFI_DATA_SIZE 2
--
2.32.0
prev parent reply other threads:[~2021-08-05 11:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-05 11:21 [PATCH 00/12] iwlwifi: updates intended for v5.15 2021-08-05 part 2 Luca Coelho
2021-08-05 11:21 ` [PATCH 01/12] iwlwifi: pass number of chains and sub-bands to iwl_sar_set_profile() Luca Coelho
2021-08-26 20:36 ` Luca Coelho
2021-08-05 11:21 ` [PATCH 02/12] iwlwifi: acpi: support reading and storing WRDS revision 1 and 2 Luca Coelho
2021-08-05 11:21 ` [PATCH 03/12] iwlwifi: support reading and storing EWRD revisions " Luca Coelho
2021-08-05 11:21 ` [PATCH 04/12] iwlwifi: remove unused ACPI_WGDS_TABLE_SIZE definition Luca Coelho
2021-08-05 11:21 ` [PATCH 05/12] iwlwifi: convert flat GEO profile table to a struct version Luca Coelho
2021-08-05 11:21 ` [PATCH 06/12] iwlwifi: mvm: support version 11 of wowlan statuses notification Luca Coelho
2021-08-05 11:21 ` [PATCH 07/12] iwlwifi: skip first element in the WTAS ACPI table Luca Coelho
2021-08-05 11:21 ` [PATCH 08/12] iwlwifi: fw: correctly limit to monitor dump Luca Coelho
2021-08-05 11:21 ` [PATCH 09/12] iwlwifi: mvm: trigger WRT when no beacon heard Luca Coelho
2021-08-05 11:21 ` [PATCH 10/12] iwlwifi: mvm: Read the PPAG and SAR tables at INIT stage Luca Coelho
2021-08-05 11:21 ` [PATCH 11/12] iwlwifi: mvm: load regdomain " Luca Coelho
2021-08-05 11:21 ` Luca Coelho [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=iwlwifi.20210805141826.78e441b16f9c.I2d79492f05624ddd02c533c673811a36eaf8a396@changeid \
--to=luca@coelho.fi \
--cc=kvalo@codeaurora.org \
--cc=linux-wireless@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).