drm/amdgpu: Add sdma v7_0 ip block support (v7)

v1: Add sdma v7_0 ip block support. (Likun)
v2: Move vmhub from ring_funcs to ring. (Hawking)
v3: Switch to AMDGPU_GFXHUB(0). (Hawking)
v4: Move microcode init into early_init. (Likun)
v5: Fix warnings (Alex)
v6: Squash in various fixes (Alex)
v7: Rebase (Alex)
v8: Rebase (Alex)
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -179,7 +179,8 @@ amdgpu-y += \
 	sdma_v4_4_2.o \
 	sdma_v5_0.o \
 	sdma_v5_2.o \
-	sdma_v6_0.o
+	sdma_v6_0.o \
+	sdma_v7_0.o
 
 # add MES block
 amdgpu-y += \

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

@@ -158,6 +158,7 @@ static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
 	const struct common_firmware_header *header = NULL;
 	const struct sdma_firmware_header_v1_0 *hdr;
 	const struct sdma_firmware_header_v2_0 *hdr_v2;
+	const struct sdma_firmware_header_v3_0 *hdr_v3;
 
 	header = (const struct common_firmware_header *)
 		sdma_inst->fw->data;
@@ -174,6 +175,11 @@ static int amdgpu_sdma_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
 		sdma_inst->fw_version = le32_to_cpu(hdr_v2->header.ucode_version);
 		sdma_inst->feature_version = le32_to_cpu(hdr_v2->ucode_feature_version);
 		break;
+	case 3:
+		hdr_v3 = (const struct sdma_firmware_header_v3_0 *)sdma_inst->fw->data;
+		sdma_inst->fw_version = le32_to_cpu(hdr_v3->header.ucode_version);
+		sdma_inst->feature_version = le32_to_cpu(hdr_v3->ucode_feature_version);
+		break;
 	default:
 		return -EINVAL;
 	}

drivers/gpu/drm/amd/amdgpu/sdma_v7_0.h

+/*
+ * Copyright 2023 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 __SDMA_V7_0_H__
+#define __SDMA_V7_0_H__
+
+extern const struct amd_ip_funcs sdma_v7_0_ip_funcs;
+extern const struct amdgpu_ip_block_version sdma_v7_0_ip_block;
+
+#endif /* __SDMA_V7_0_H__ */