drm/xe/guc: Move H2G SETUP_PC_GUCRC definition to SLPC ABI

We already have a dedicated file for GuC SLPC ABI definitions.
Move definition of the SETUP_PC_GUCRC action and related enum
to that file, rename them to match format of other new ABI
definitions and add simple kernel-doc.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240609181931.1724-2-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/abi/guc_actions_abi.h

@@ -128,7 +128,6 @@ enum xe_guc_action {
 	XE_GUC_ACTION_CONTEXT_RESET_NOTIFICATION = 0x1008,
 	XE_GUC_ACTION_ENGINE_FAILURE_NOTIFICATION = 0x1009,
 	XE_GUC_ACTION_HOST2GUC_UPDATE_CONTEXT_POLICIES = 0x100B,
-	XE_GUC_ACTION_SETUP_PC_GUCRC = 0x3004,
 	XE_GUC_ACTION_AUTHENTICATE_HUC = 0x4000,
 	XE_GUC_ACTION_GET_HWCONFIG = 0x4100,
 	XE_GUC_ACTION_REGISTER_CONTEXT = 0x4502,
@@ -153,11 +152,6 @@ enum xe_guc_action {
 	XE_GUC_ACTION_LIMIT
 };
 
-enum xe_guc_rc_options {
-	XE_GUCRC_HOST_CONTROL,
-	XE_GUCRC_FIRMWARE_CONTROL,
-};
-
 enum xe_guc_preempt_options {
 	XE_GUC_PREEMPT_OPTION_DROP_WORK_Q = 0x4,
 	XE_GUC_PREEMPT_OPTION_DROP_SUBMIT_Q = 0x8,

drivers/gpu/drm/xe/abi/guc_actions_slpc_abi.h

@@ -246,4 +246,26 @@ struct slpc_shared_data {
 #define HOST2GUC_PC_SLPC_REQUEST_MSG_1_EVENT_ARGC	(0xffu << 0)
 #define HOST2GUC_PC_SLPC_REQUEST_MSG_N_EVENT_DATA_N	GUC_HXG_REQUEST_MSG_n_DATAn
 
+/**
+ * DOC: SETUP_PC_GUCRC
+ *
+ *  +---+-------+--------------------------------------------------------------+
+ *  |   | Bits  | Description                                                  |
+ *  +===+=======+==============================================================+
+ *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_HOST_                                |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 30:28 | TYPE = GUC_HXG_TYPE_FAST_REQUEST_                            |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   | 27:16 | DATA0 = MBZ                                                  |
+ *  |   +-------+--------------------------------------------------------------+
+ *  |   |  15:0 | ACTION = _`GUC_ACTION_HOST2GUC_SETUP_PC_GUCRC` = 0x3004      |
+ *  +---+-------+--------------------------------------------------------------+
+ *  | 1 |  31:0 | **MODE** = GUCRC_HOST_CONTROL(0), GUCRC_FIRMWARE_CONTROL(1)  |
+ *  +---+-------+--------------------------------------------------------------+
+ */
+
+#define GUC_ACTION_HOST2GUC_SETUP_PC_GUCRC		0x3004u
+#define   GUCRC_HOST_CONTROL				0u
+#define   GUCRC_FIRMWARE_CONTROL			1u
+
 #endif

drivers/gpu/drm/xe/xe_guc_pc.c

@@ -9,7 +9,6 @@
 
 #include <drm/drm_managed.h>
 
-#include "abi/guc_actions_abi.h"
 #include "abi/guc_actions_slpc_abi.h"
 #include "regs/xe_gt_regs.h"
 #include "regs/xe_regs.h"
@@ -195,7 +194,7 @@ static int pc_action_setup_gucrc(struct xe_guc_pc *pc, u32 mode)
 {
 	struct xe_guc_ct *ct = &pc_to_guc(pc)->ct;
 	u32 action[] = {
-		XE_GUC_ACTION_SETUP_PC_GUCRC,
+		GUC_ACTION_HOST2GUC_SETUP_PC_GUCRC,
 		mode,
 	};
 	int ret;
@@ -758,7 +757,7 @@ int xe_guc_pc_gucrc_disable(struct xe_guc_pc *pc)
 	if (xe->info.skip_guc_pc)
 		return 0;
 
-	ret = pc_action_setup_gucrc(pc, XE_GUCRC_HOST_CONTROL);
+	ret = pc_action_setup_gucrc(pc, GUCRC_HOST_CONTROL);
 	if (ret)
 		return ret;
 
@@ -861,7 +860,7 @@ int xe_guc_pc_start(struct xe_guc_pc *pc)
 		goto out;
 	}
 
-	ret = pc_action_setup_gucrc(pc, XE_GUCRC_FIRMWARE_CONTROL);
+	ret = pc_action_setup_gucrc(pc, GUCRC_FIRMWARE_CONTROL);
 
 out:
 	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL));