drm/amd/powerplay: add Carrizo smu support

This implements the SMU firmware manager interface for CZ.
Some header files are moved from amdgpu folder to powerplay as well.

v3: delete peci sub-module.
v2: use cgs interface directly
    add load_mec_firmware function
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/smumgr/Makefile

@@ -2,7 +2,7 @@
 # Makefile for the 'smu manager' sub-component of powerplay.
 # It provides the smu management services for the driver.
 
-SMU_MGR = smumgr.o
+SMU_MGR = smumgr.o cz_smumgr.o
 
 AMD_PP_SMUMGR = $(addprefix $(AMD_PP_PATH)/smumgr/,$(SMU_MGR))
 

drivers/gpu/drm/amd/powerplay/smumgr/cz_smumgr.h

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef _CZ_SMUMGR_H_
+#define _CZ_SMUMGR_H_
+
+
+#define MAX_NUM_FIRMWARE                        8
+#define MAX_NUM_SCRATCH                         11
+#define CZ_SCRATCH_SIZE_NONGFX_CLOCKGATING      1024
+#define CZ_SCRATCH_SIZE_NONGFX_GOLDENSETTING    2048
+#define CZ_SCRATCH_SIZE_SDMA_METADATA           1024
+#define CZ_SCRATCH_SIZE_IH                      ((2*256+1)*4)
+
+enum cz_scratch_entry {
+	CZ_SCRATCH_ENTRY_UCODE_ID_SDMA0 = 0,
+	CZ_SCRATCH_ENTRY_UCODE_ID_SDMA1,
+	CZ_SCRATCH_ENTRY_UCODE_ID_CP_CE,
+	CZ_SCRATCH_ENTRY_UCODE_ID_CP_PFP,
+	CZ_SCRATCH_ENTRY_UCODE_ID_CP_ME,
+	CZ_SCRATCH_ENTRY_UCODE_ID_CP_MEC_JT1,
+	CZ_SCRATCH_ENTRY_UCODE_ID_CP_MEC_JT2,
+	CZ_SCRATCH_ENTRY_UCODE_ID_GMCON_RENG,
+	CZ_SCRATCH_ENTRY_UCODE_ID_RLC_G,
+	CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SCRATCH,
+	CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SRM_ARAM,
+	CZ_SCRATCH_ENTRY_UCODE_ID_RLC_SRM_DRAM,
+	CZ_SCRATCH_ENTRY_UCODE_ID_DMCU_ERAM,
+	CZ_SCRATCH_ENTRY_UCODE_ID_DMCU_IRAM,
+	CZ_SCRATCH_ENTRY_UCODE_ID_POWER_PROFILING,
+	CZ_SCRATCH_ENTRY_DATA_ID_SDMA_HALT,
+	CZ_SCRATCH_ENTRY_DATA_ID_SYS_CLOCKGATING,
+	CZ_SCRATCH_ENTRY_DATA_ID_SDMA_RING_REGS,
+	CZ_SCRATCH_ENTRY_DATA_ID_NONGFX_REINIT,
+	CZ_SCRATCH_ENTRY_DATA_ID_SDMA_START,
+	CZ_SCRATCH_ENTRY_DATA_ID_IH_REGISTERS,
+	CZ_SCRATCH_ENTRY_SMU8_FUSION_CLKTABLE
+};
+
+struct cz_buffer_entry {
+	uint32_t data_size;
+	uint32_t mc_addr_low;
+	uint32_t mc_addr_high;
+	void *kaddr;
+	enum cz_scratch_entry firmware_ID;
+	unsigned long handle; /* as bo handle used when release bo */
+};
+
+struct cz_register_index_data_pair {
+	uint32_t offset;
+	uint32_t value;
+};
+
+struct cz_ih_meta_data {
+	uint32_t command;
+	struct cz_register_index_data_pair register_index_value_pair[1];
+};
+
+struct cz_smumgr {
+	uint8_t driver_buffer_length;
+	uint8_t scratch_buffer_length;
+	uint16_t toc_entry_used_count;
+	uint16_t toc_entry_initialize_index;
+	uint16_t toc_entry_power_profiling_index;
+	uint16_t toc_entry_aram;
+	uint16_t toc_entry_ih_register_restore_task_index;
+	uint16_t toc_entry_clock_table;
+	uint16_t ih_register_restore_task_size;
+	uint16_t smu_buffer_used_bytes;
+
+	struct cz_buffer_entry toc_buffer;
+	struct cz_buffer_entry smu_buffer;
+	struct cz_buffer_entry firmware_buffer;
+	struct cz_buffer_entry driver_buffer[MAX_NUM_FIRMWARE];
+	struct cz_buffer_entry meta_data_buffer[MAX_NUM_FIRMWARE];
+	struct cz_buffer_entry scratch_buffer[MAX_NUM_SCRATCH];
+};
+
+struct pp_smumgr;
+
+extern int cz_smum_init(struct pp_smumgr *smumgr);
+
+#endif

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

@@ -27,6 +27,7 @@
 #include "smumgr.h"
 #include "cgs_common.h"
 #include "linux/delay.h"
+#include "cz_smumgr.h"
 
 int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {
@@ -49,7 +50,7 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 
 	switch (smumgr->chip_family) {
 	case AMD_FAMILY_CZ:
-		/* TODO */
+		cz_smum_init(smumgr);
 		break;
 	case AMD_FAMILY_VI:
 		/* TODO */