drm/amdgpu: add PSP driver for vega10 (v2)

PSP is responsible for firmware loading on SOC-15 asics.

v2: fix memory leak (Ken)
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -51,6 +51,11 @@ amdgpu-y += \
 	cz_ih.o \
 	vega10_ih.o
 
+# add PSP block
+amdgpu-y += \
+	amdgpu_psp.o \
+	psp_v3_1.o
+
 # add SMC block
 amdgpu-y += \
 	amdgpu_dpm.o \

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -52,6 +52,7 @@
 #include "amdgpu_irq.h"
 #include "amdgpu_ucode.h"
 #include "amdgpu_ttm.h"
+#include "amdgpu_psp.h"
 #include "amdgpu_gds.h"
 #include "amdgpu_sync.h"
 #include "amdgpu_ring.h"
@@ -1213,6 +1214,10 @@ struct amdgpu_firmware {
 	struct amdgpu_bo *fw_buf;
 	unsigned int fw_size;
 	unsigned int max_ucodes;
+	/* firmwares are loaded by psp instead of smu from vega10 */
+	const struct amdgpu_psp_funcs *funcs;
+	struct amdgpu_bo *rbuf;
+	struct mutex mutex;
 };
 
 /*
@@ -1571,6 +1576,9 @@ struct amdgpu_device {
 	/* firmwares */
 	struct amdgpu_firmware		firmware;
 
+	/* PSP */
+	struct psp_context		psp;
+
 	/* GDS */
 	struct amdgpu_gds		gds;
 
@@ -1825,6 +1833,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
 #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
+#define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
 
 /* Common functions */
 int amdgpu_gpu_reset(struct amdgpu_device *adev);

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1837,6 +1837,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	 * can recall function without having locking issues */
 	mutex_init(&adev->vm_manager.lock);
 	atomic_set(&adev->irq.ih.lock, 0);
+	mutex_init(&adev->firmware.mutex);
 	mutex_init(&adev->pm.mutex);
 	mutex_init(&adev->gfx.gpu_clock_mutex);
 	mutex_init(&adev->srbm_mutex);

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+#ifndef __AMDGPU_PSP_H__
+#define __AMDGPU_PSP_H__
+
+#include "amdgpu.h"
+#include "psp_gfx_if.h"
+
+#define PSP_FENCE_BUFFER_SIZE	0x1000
+#define PSP_CMD_BUFFER_SIZE	0x1000
+#define PSP_ASD_BIN_SIZE	0x40000
+#define PSP_ASD_SHARED_MEM_SIZE	0x4000
+
+enum psp_ring_type
+{
+	PSP_RING_TYPE__INVALID = 0,
+	/*
+	 * These values map to the way the PSP kernel identifies the
+	 * rings.
+	 */
+	PSP_RING_TYPE__UM = 1, /* User mode ring (formerly called RBI) */
+	PSP_RING_TYPE__KM = 2  /* Kernel mode ring (formerly called GPCOM) */
+};
+
+struct psp_ring
+{
+	enum psp_ring_type		ring_type;
+	struct psp_gfx_rb_frame		*ring_mem;
+	uint64_t			ring_mem_mc_addr;
+	void				*ring_mem_handle;
+	uint32_t			ring_size;
+};
+
+struct psp_context
+{
+	struct amdgpu_device            *adev;
+	struct psp_ring                 km_ring;
+
+	int (*init_microcode)(struct psp_context *psp);
+	int (*bootloader_load_sysdrv)(struct psp_context *psp);
+	int (*bootloader_load_sos)(struct psp_context *psp);
+	int (*prep_cmd_buf)(struct amdgpu_firmware_info *ucode,
+			    struct psp_gfx_cmd_resp *cmd);
+	int (*ring_init)(struct psp_context *psp, enum psp_ring_type ring_type);
+	int (*cmd_submit)(struct psp_context *psp, struct amdgpu_firmware_info *ucode,
+			  uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, int index);
+	bool (*compare_sram_data)(struct psp_context *psp,
+				  struct amdgpu_firmware_info *ucode,
+				  enum AMDGPU_UCODE_ID ucode_type);
+	bool (*smu_reload_quirk)(struct psp_context *psp);
+
+	/* sos firmware */
+	const struct firmware		*sos_fw;
+	uint32_t			sos_fw_version;
+	uint32_t			sos_feature_version;
+	uint32_t			sys_bin_size;
+	uint32_t			sos_bin_size;
+	uint8_t				*sys_start_addr;
+	uint8_t				*sos_start_addr;
+
+	/* tmr buffer */
+	struct amdgpu_bo 		*tmr_bo;
+	uint64_t 			tmr_mc_addr;
+	void				*tmr_buf;
+
+	/* asd firmware */
+	const struct firmware		*asd_fw;
+	uint32_t			asd_fw_version;
+	uint32_t			asd_feature_version;
+	uint32_t			asd_ucode_size;
+	uint8_t				*asd_start_addr;
+
+	/* fence buffer */
+	struct amdgpu_bo 		*fence_buf_bo;
+	uint64_t 			fence_buf_mc_addr;
+	void				*fence_buf;
+};
+
+struct amdgpu_psp_funcs {
+	bool (*check_fw_loading_status)(struct amdgpu_device *adev,
+					enum AMDGPU_UCODE_ID);
+};
+
+#define psp_prep_cmd_buf(ucode, type) (psp)->prep_cmd_buf((ucode), (type))
+#define psp_ring_init(psp, type) (psp)->ring_init((psp), (type))
+#define psp_cmd_submit(psp, ucode, cmd_mc, fence_mc, index) \
+		(psp)->cmd_submit((psp), (ucode), (cmd_mc), (fence_mc), (index))
+#define psp_compare_sram_data(psp, ucode, type) \
+		(psp)->compare_sram_data((psp), (ucode), (type))
+#define psp_init_microcode(psp) \
+		((psp)->init_microcode ? (psp)->init_microcode((psp)) : 0)
+#define psp_bootloader_load_sysdrv(psp) \
+		((psp)->bootloader_load_sysdrv ? (psp)->bootloader_load_sysdrv((psp)) : 0)
+#define psp_bootloader_load_sos(psp) \
+		((psp)->bootloader_load_sos ? (psp)->bootloader_load_sos((psp)) : 0)
+#define psp_smu_reload_quirk(psp) \
+		((psp)->smu_reload_quirk ? (psp)->smu_reload_quirk((psp)) : false)
+
+extern const struct amd_ip_funcs psp_ip_funcs;
+
+extern const struct amdgpu_ip_block_version psp_v3_1_ip_block;
+extern int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
+			uint32_t field_val, uint32_t mask, bool check_changed);
+
+#endif

drivers/gpu/drm/amd/amdgpu/psp_v3_1.h

+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+#ifndef __PSP_V3_1_H__
+#define __PSP_V3_1_H__
+
+#include "amdgpu_psp.h"
+
+enum { PSP_DIRECTORY_TABLE_ENTRIES = 4 };
+enum { PSP_BINARY_ALIGNMENT = 64 };
+enum { PSP_BOOTLOADER_1_MEG_ALIGNMENT = 0x100000 };
+enum { PSP_BOOTLOADER_8_MEM_ALIGNMENT = 0x800000 };
+
+extern int psp_v3_1_init_microcode(struct psp_context *psp);
+extern int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp);
+extern int psp_v3_1_bootloader_load_sos(struct psp_context *psp);
+extern int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
+				 struct psp_gfx_cmd_resp *cmd);
+extern int psp_v3_1_ring_init(struct psp_context *psp,
+			      enum psp_ring_type ring_type);
+extern int psp_v3_1_cmd_submit(struct psp_context *psp,
+			       struct amdgpu_firmware_info *ucode,
+			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
+			       int index);
+extern bool psp_v3_1_compare_sram_data(struct psp_context *psp,
+				       struct amdgpu_firmware_info *ucode,
+				       enum AMDGPU_UCODE_ID ucode_type);
+extern bool psp_v3_1_smu_reload_quirk(struct psp_context *psp);
+#endif

drivers/gpu/drm/amd/include/amd_shared.h

@@ -68,6 +68,7 @@ enum amd_ip_block_type {
 	AMD_IP_BLOCK_TYPE_GMC,
 	AMD_IP_BLOCK_TYPE_IH,
 	AMD_IP_BLOCK_TYPE_SMC,
+	AMD_IP_BLOCK_TYPE_PSP,
 	AMD_IP_BLOCK_TYPE_DCE,
 	AMD_IP_BLOCK_TYPE_GFX,
 	AMD_IP_BLOCK_TYPE_SDMA,