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>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
new file mode 100644
index 000000000000..e9f35e025b59
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -0,0 +1,127 @@
+/*
+ * 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