From 68930bc9cacf1d028fba8971cd465d07bb64dfa6 Mon Sep 17 00:00:00 2001
From: Tomas Winkler <tomas.winkler@intel.com>
Date: Thu, 8 Sep 2022 00:51:07 +0300
Subject: mei: mkhi: add memory ready command
Git-commit: fa313ede703115c9ebb31ce36a946aae23c14d61
Patch-mainline: v6.1-rc1
References: jsc#PED-1218
Add GSC memory ready command.
The command indicates to the firmware that extend operation
memory was setup and the firmware may enter PXP mode.
CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-11-tomas.winkler@intel.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/misc/mei/mkhi.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h
index c3fa3c5d5cb6..1473ea489666 100644
--- a/drivers/misc/mei/mkhi.h
+++ b/drivers/misc/mei/mkhi.h
@@ -16,6 +16,13 @@
#define MKHI_GEN_GROUP_ID 0xFF
#define MKHI_GEN_GET_FW_VERSION_CMD 0x2
+#define MKHI_GROUP_ID_GFX 0x30
+#define MKHI_GFX_RESET_WARN_CMD_REQ 0x0
+#define MKHI_GFX_MEMORY_READY_CMD_REQ 0x1
+
+/* Allow transition to PXP mode without approval */
+#define MKHI_GFX_MEM_READY_PXP_ALLOWED 0x1
+
struct mkhi_rule_id {
__le16 rule_type;
u8 feature_id;
@@ -40,4 +47,9 @@ struct mkhi_msg {
u8 data[];
} __packed;
+struct mkhi_gfx_mem_ready {
+ struct mkhi_msg_hdr hdr;
+ u32 flags;
+} __packed;
+
#endif /* _MEI_MKHI_H_ */
--
2.39.0