drm/amdgpu: add core driver (v4)

This adds the non-asic specific core driver code.

v2: remove extra kconfig option
v3: implement minor fixes from Fengguang Wu
v4: fix cast in amdgpu_ucode.c

Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 176 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
new file mode 100644
index 000000000000..e468be4e28fa
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2012 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 __AMDGPU_UCODE_H__
+#define __AMDGPU_UCODE_H__
+
+struct common_firmware_header {
+	uint32_t size_bytes; /* size of the entire header+image(s) in bytes */
+	uint32_t header_size_bytes; /* size of just the header in bytes */
+	uint16_t header_version_major; /* header version */
+	uint16_t header_version_minor; /* header version */
+	uint16_t ip_version_major; /* IP version */
+	uint16_t ip_version_minor; /* IP version */
+	uint32_t ucode_version;
+	uint32_t ucode_size_bytes; /* size of ucode in bytes */
+	uint32_t ucode_array_offset_bytes; /* payload offset from the start of the header */
+	uint32_t crc32;  /* crc32 checksum of the payload */
+};
+
+/* version_major=1, version_minor=0 */
+struct mc_firmware_header_v1_0 {
+	struct common_firmware_header header;
+	uint32_t io_debug_size_bytes; /* size of debug array in dwords */
+	uint32_t io_debug_array_offset_bytes; /* payload offset from the start of the header */
+};
+
+/* version_major=1, version_minor=0 */
+struct smc_firmware_header_v1_0 {
+	struct common_firmware_header header;
+	uint32_t ucode_start_addr;
+};
+
+/* version_major=1, version_minor=0 */
+struct gfx_firmware_header_v1_0 {
+	struct common_firmware_header header;
+	uint32_t ucode_feature_version;
+	uint32_t jt_offset; /* jt location */
+	uint32_t jt_size;  /* size of jt */
+};
+
+/* version_major=1, version_minor=0 */
+struct rlc_firmware_header_v1_0 {
+	struct common_firmware_header header;
+	uint32_t ucode_feature_version;
+	uint32_t save_and_restore_offset;
+	uint32_t clear_state_descriptor_offset;
+	uint32_t avail_scratch_ram_locations;
+	uint32_t master_pkt_description_offset;
+};
+
+/* version_major=2, version_minor=0 */
+struct rlc_firmware_header_v2_0 {
+	struct common_firmware_header header;
+	uint32_t ucode_feature_version;
+	uint32_t jt_offset; /* jt location */
+	uint32_t jt_size;  /* size of jt */
+	uint32_t save_and_restore_offset;
+	uint32_t clear_state_descriptor_offset;
+	uint32_t avail_scratch_ram_locations;
+	uint32_t reg_restore_list_size;
+	uint32_t reg_list_format_start;
+	uint32_t reg_list_format_separate_start;
+	uint32_t starting_offsets_start;
+	uint32_t reg_list_format_size_bytes; /* size of reg list format array in bytes */
+	uint32_t reg_list_format_array_offset_bytes; /* payload offset from the start of the header */
+	uint32_t reg_list_size_bytes; /* size of reg list array in bytes */
+	uint32_t reg_list_array_offset_bytes; /* payload offset from the start of the header */
+	uint32_t reg_list_format_separate_size_bytes; /* size of reg list format array in bytes */
+	uint32_t reg_list_format_separate_array_offset_bytes; /* payload offset from the start of the header */
+	uint32_t reg_list_separate_size_bytes; /* size of reg list array in bytes */
+	uint32_t reg_list_separate_array_offset_bytes; /* payload offset from the start of the header */
+};
+
+/* version_major=1, version_minor=0 */
+struct sdma_firmware_header_v1_0 {
+	struct common_firmware_header header;
+	uint32_t ucode_feature_version;
+	uint32_t ucode_change_version;
+	uint32_t jt_offset; /* jt location */
+	uint32_t jt_size; /* size of jt */
+};
+
+/* version_major=1, version_minor=1 */
+struct sdma_firmware_header_v1_1 {
+	struct sdma_firmware_header_v1_0 v1_0;
+	uint32_t digest_size;
+};
+
+/* header is fixed size */
+union amdgpu_firmware_header {
+	struct common_firmware_header common;
+	struct mc_firmware_header_v1_0 mc;
+	struct smc_firmware_header_v1_0 smc;
+	struct gfx_firmware_header_v1_0 gfx;
+	struct rlc_firmware_header_v1_0 rlc;
+	struct rlc_firmware_header_v2_0 rlc_v2_0;
+	struct sdma_firmware_header_v1_0 sdma;
+	struct sdma_firmware_header_v1_1 sdma_v1_1;
+	uint8_t raw[0x100];
+};
+
+/*
+ * fw loading support
+ */
+enum AMDGPU_UCODE_ID {
+	AMDGPU_UCODE_ID_SDMA0 = 0,
+	AMDGPU_UCODE_ID_SDMA1,
+	AMDGPU_UCODE_ID_CP_CE,
+	AMDGPU_UCODE_ID_CP_PFP,
+	AMDGPU_UCODE_ID_CP_ME,
+	AMDGPU_UCODE_ID_CP_MEC1,
+	AMDGPU_UCODE_ID_CP_MEC2,
+	AMDGPU_UCODE_ID_RLC_G,
+	AMDGPU_UCODE_ID_MAXIMUM,
+};
+
+/* engine firmware status */
+enum AMDGPU_UCODE_STATUS {
+	AMDGPU_UCODE_STATUS_INVALID,
+	AMDGPU_UCODE_STATUS_NOT_LOADED,
+	AMDGPU_UCODE_STATUS_LOADED,
+};
+
+/* conform to smu_ucode_xfer_cz.h */
+#define AMDGPU_SDMA0_UCODE_LOADED	0x00000001
+#define AMDGPU_SDMA1_UCODE_LOADED	0x00000002
+#define AMDGPU_CPCE_UCODE_LOADED	0x00000004
+#define AMDGPU_CPPFP_UCODE_LOADED	0x00000008
+#define AMDGPU_CPME_UCODE_LOADED	0x00000010
+#define AMDGPU_CPMEC1_UCODE_LOADED	0x00000020
+#define AMDGPU_CPMEC2_UCODE_LOADED	0x00000040
+#define AMDGPU_CPRLC_UCODE_LOADED	0x00000100
+
+/* amdgpu firmware info */
+struct amdgpu_firmware_info {
+	/* ucode ID */
+	enum AMDGPU_UCODE_ID ucode_id;
+	/* request_firmware */
+	const struct firmware *fw;
+	/* starting mc address */
+	uint64_t mc_addr;
+	/* kernel linear address */
+	void *kaddr;
+};
+
+void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr);
+void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr);
+void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr);
+void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr);
+void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr);
+int amdgpu_ucode_validate(const struct firmware *fw);
+bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,
+				uint16_t hdr_major, uint16_t hdr_minor);
+int amdgpu_ucode_init_bo(struct amdgpu_device *adev);
+int amdgpu_ucode_fini_bo(struct amdgpu_device *adev);
+
+#endif