drm/amd/powerplay: add Fiji SMU support.

Add support for the SMU manager for Fiji. This handles the
firmware loading for other IP blocks (GFX, SDMA, etc.).
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NEric Huang <JinHuiEric.Huang@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 cz_smumgr.o tonga_smumgr.o
+SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o fiji_smumgr.o
 
 AMD_PP_SMUMGR = $(addprefix $(AMD_PP_PATH)/smumgr/,$(SMU_MGR))
 

drivers/gpu/drm/amd/powerplay/smumgr/fiji_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 _FIJI_SMUMANAGER_H_
+#define _FIJI_SMUMANAGER_H_
+
+enum AVFS_BTC_STATUS {
+	AVFS_BTC_BOOT = 0,
+	AVFS_BTC_BOOT_STARTEDSMU,
+	AVFS_LOAD_VIRUS,
+	AVFS_BTC_VIRUS_LOADED,
+	AVFS_BTC_VIRUS_FAIL,
+	AVFS_BTC_STARTED,
+	AVFS_BTC_FAILED,
+	AVFS_BTC_RESTOREVFT_FAILED,
+	AVFS_BTC_SAVEVFT_FAILED,
+	AVFS_BTC_DPMTABLESETUP_FAILED,
+	AVFS_BTC_COMPLETED_UNSAVED,
+	AVFS_BTC_COMPLETED_SAVED,
+	AVFS_BTC_COMPLETED_RESTORED,
+	AVFS_BTC_DISABLED,
+	AVFS_BTC_NOTSUPPORTED,
+	AVFS_BTC_SMUMSG_ERROR
+};
+
+struct fiji_smu_avfs {
+	enum AVFS_BTC_STATUS AvfsBtcStatus;
+	uint32_t           AvfsBtcParam;
+};
+
+struct fiji_buffer_entry {
+	uint32_t data_size;
+	uint32_t mc_addr_low;
+	uint32_t mc_addr_high;
+	void *kaddr;
+	unsigned long  handle;
+};
+
+struct fiji_smumgr {
+	uint8_t        *header;
+	uint8_t        *mec_image;
+	uint32_t        soft_regs_start;
+	struct fiji_smu_avfs avfs;
+	uint32_t        acpi_optimization;
+
+	struct fiji_buffer_entry header_buffer;
+};
+
+int fiji_smum_init(struct pp_smumgr *smumgr);
+int fiji_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
+		uint32_t *value, uint32_t limit);
+int fiji_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr,
+		uint32_t value, uint32_t limit);
+int fiji_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smcStartAddress,
+		const uint8_t *src,	uint32_t byteCount, uint32_t limit);
+
+#endif
+

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

@@ -29,6 +29,7 @@
 #include "linux/delay.h"
 #include "cz_smumgr.h"
 #include "tonga_smumgr.h"
+#include "fiji_smumgr.h"
 
 int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {
@@ -58,6 +59,9 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 		case CHIP_TONGA:
 			tonga_smum_init(smumgr);
 			break;
+		case CHIP_FIJI:
+			fiji_smum_init(smumgr);
+			break;
 		default:
 			return -EINVAL;
 		}