[PATCH v8 06/13] firmware: arm_scmi: Add SCMIV4.0 Powercap notifications support

From: Cristian Marussi <[email protected]>

Extend notification support to the new SCMIv4.0 Powercap format that carry
also a CPL identifier where specified.

Since this addition completes SCMIv4.0 Powercap support bump also the
protocol version define.

Signed-off-by: Cristian Marussi <[email protected]>
Signed-off-by: Philip Radford <[email protected]>
---
 drivers/firmware/arm_scmi/powercap.c | 13 +++++++++----
 include/linux/scmi_protocol.h        |  3 ++-
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c
index cfa1dde71ff4..65fac7fc6169 100644
--- a/drivers/firmware/arm_scmi/powercap.c
+++ b/drivers/firmware/arm_scmi/powercap.c
@@ -18,7 +18,7 @@
 #include "notify.h"
 
 /* Updated only after ALL the mandatory features for that version are merged */
-#define SCMI_PROTOCOL_SUPPORTED_VERSION		0x20000
+#define SCMI_PROTOCOL_SUPPORTED_VERSION		0x30000
 
 #define CPL0	0
 
@@ -156,7 +156,8 @@ struct scmi_powercap_cap_changed_notify_payld {
 	__le32 agent_id;
 	__le32 domain_id;
 	__le32 power_cap;
-	__le32 pai;
+	__le32 avg_ivl;
+	__le32 cpli;
 };
 
 struct scmi_powercap_meas_changed_notify_payld {
@@ -1326,14 +1327,18 @@ scmi_powercap_fill_custom_report(const struct scmi_protocol_handle *ph,
 		const struct scmi_powercap_cap_changed_notify_payld *p = payld;
 		struct scmi_powercap_cap_changed_report *r = report;
 
-		if (sizeof(*p) != payld_sz)
+		if (sizeof(*p) > payld_sz)
 			break;
 
 		r->timestamp = timestamp;
 		r->agent_id = le32_to_cpu(p->agent_id);
 		r->domain_id = le32_to_cpu(p->domain_id);
 		r->power_cap = le32_to_cpu(p->power_cap);
-		r->pai = le32_to_cpu(p->pai);
+		r->avg_ivl = le32_to_cpu(p->avg_ivl);
+		if (sizeof(*p) == payld_sz)
+			r->cpli = le32_to_cpu(p->cpli);
+		else
+			r->cpli = 0;
 		*src_id = r->domain_id;
 		rep = r;
 		break;
diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h
index 8b539bfcf482..ce00106d2b65 100644
--- a/include/linux/scmi_protocol.h
+++ b/include/linux/scmi_protocol.h
@@ -1129,7 +1129,8 @@ struct scmi_powercap_cap_changed_report {
 	unsigned int	agent_id;
 	unsigned int	domain_id;
 	unsigned int	power_cap;
-	unsigned int	pai;
+	unsigned int	avg_ivl;
+	unsigned int	cpli;
 };
 
 struct scmi_powercap_meas_changed_report {
-- 
2.25.1