[PATCH 4/7] drm/xe/vsec: Support Crescent Island PMT

Crescent Island (CRI) supports PMT telemetry and crashlog.

Add Crescent Island (CRI) discovery structure (DVSEC)
information to allow for Xe registration.

Signed-off-by: Michael J. Ruhl <[email protected]>
---
 drivers/gpu/drm/xe/regs/xe_pmt.h |  5 ++++
 drivers/gpu/drm/xe/xe_vsec.c     | 46 ++++++++++++++++++++++++++++++--
 2 files changed, 49 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/regs/xe_pmt.h b/drivers/gpu/drm/xe/regs/xe_pmt.h
index a62ab05c6b4c..fc9c9cb6a830 100644
--- a/drivers/gpu/drm/xe/regs/xe_pmt.h
+++ b/drivers/gpu/drm/xe/regs/xe_pmt.h
@@ -20,6 +20,11 @@
 #define BMG_TELEMETRY_BASE_OFFSET	0xE0000
 #define BMG_TELEMETRY_OFFSET		(SOC_BASE + BMG_TELEMETRY_BASE_OFFSET)
 
+#define CRI_TELEMETRY_BASE_OFFSET	0xE0000
+/* for CRI discovery and telemetry are in an indexed window */
+#define CRI_DISCOVERY_OFFSET		(SOC_BASE + CRI_TELEMETRY_BASE_OFFSET)
+#define CRI_TELEMETRY_OFFSET		(SOC_BASE + CRI_TELEMETRY_BASE_OFFSET)
+
 #define BMG_MODS_RESIDENCY_OFFSET		(0x4D0)
 #define BMG_G2_RESIDENCY_OFFSET		(0x530)
 #define BMG_G6_RESIDENCY_OFFSET		(0x538)
diff --git a/drivers/gpu/drm/xe/xe_vsec.c b/drivers/gpu/drm/xe/xe_vsec.c
index f9b519f2b91f..338815963ac7 100644
--- a/drivers/gpu/drm/xe/xe_vsec.c
+++ b/drivers/gpu/drm/xe/xe_vsec.c
@@ -19,8 +19,19 @@
 
 #include "regs/xe_pmt.h"
 
-/* PMT GUID value for BMG devices.  NOTE: this is NOT a PCI id */
+/* PMT GUID value for BMG and CRI devices.  NOTE: this is NOT a PCI id */
 #define BMG_DEVICE_ID 0xE2F8
+#define CRI_DEVICE_ID 0xE2FA
+
+/*
+ * sizeof(Crashlog Type1 Version2) = 0x18 (24) bytes
+ * For BMG and CRI PUNIT and OOBMSMS crashlogs are consecutive.
+ */
+#define BMG_CRASHLOG_PUNIT_DISC_OFFSET (0x60)
+#define BMG_CRASHLOG_OOBMSM_DISC_OFFSET (BMG_CRASHLOG_PUNIT_DISC_OFFSET + 0x18)
+
+#define CRI_CRASHLOG_PUNIT_DISC_OFFSET (0x80)
+#define CRI_CRASHLOG_OOBMSM_DISC_OFFSET (CRI_CRASHLOG_PUNIT_DISC_OFFSET + 0x18)
 
 static struct intel_vsec_header bmg_telemetry = {
 	.rev = 1,
@@ -39,7 +50,7 @@ static struct intel_vsec_header bmg_crashlog = {
 	.num_entries = 2,
 	.entry_size = 6,
 	.tbir = 0,
-	.offset = BMG_DISCOVERY_OFFSET + 0x60,
+	.offset = BMG_DISCOVERY_OFFSET + BMG_CRASHLOG_PUNIT_DISC_OFFSET,
 };
 
 static struct intel_vsec_header *bmg_capabilities[] = {
@@ -48,9 +59,36 @@ static struct intel_vsec_header *bmg_capabilities[] = {
 	NULL
 };
 
+static struct intel_vsec_header cri_telemetry = {
+	.rev = 1,
+	.length = 0x10,
+	.id = VSEC_ID_TELEMETRY,
+	.num_entries = 3,
+	.entry_size = 4,
+	.tbir = 0,
+	.offset = CRI_DISCOVERY_OFFSET,
+};
+
+static struct intel_vsec_header cri_crashlog = {
+	.rev = 1,
+	.length = 0x10,
+	.id = VSEC_ID_CRASHLOG,
+	.num_entries = 2,
+	.entry_size = 6,
+	.tbir = 0,
+	.offset = CRI_DISCOVERY_OFFSET + CRI_CRASHLOG_PUNIT_DISC_OFFSET,
+};
+
+static struct intel_vsec_header *cri_capabilities[] = {
+	&cri_telemetry,
+	&cri_crashlog,
+	NULL
+};
+
 enum xe_vsec {
 	XE_VSEC_UNKNOWN = 0,
 	XE_VSEC_BMG,
+	XE_VSEC_CRI,
 };
 
 static struct intel_vsec_platform_info xe_vsec_info[] = {
@@ -58,6 +96,10 @@ static struct intel_vsec_platform_info xe_vsec_info[] = {
 		.caps = VSEC_CAP_TELEMETRY | VSEC_CAP_CRASHLOG,
 		.headers = bmg_capabilities,
 	},
+	[XE_VSEC_CRI] = {
+		.caps = VSEC_CAP_TELEMETRY | VSEC_CAP_CRASHLOG,
+		.headers = cri_capabilities,
+	},
 	{ }
 };
 
-- 
2.43.0