/* * Copyright 2014 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. * */ #include <linux/firmware.h>#include <linux/slab.h>#include <linux/module.h>#include <drm/drmP.h>#include "amdgpu.h"#include "amdgpu_ucode.h" static void amdgpu_ucode_print_common_hdr(const struct common_firmware_header *hdr){	DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));	DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes));	DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major));	DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor));	DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major));	DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor));	DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version));	DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes));	DRM_DEBUG("ucode_array_offset_bytes: %u\n",		  le32_to_cpu(hdr->ucode_array_offset_bytes));	DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32));} void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr){	uint16_t version_major = le16_to_cpu(hdr->header_version_major);	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 	DRM_DEBUG("MC\n");	amdgpu_ucode_print_common_hdr(hdr); 	if (version_major == 1) {		const struct mc_firmware_header_v1_0 *mc_hdr =			container_of(hdr, struct mc_firmware_header_v1_0, header); 		DRM_DEBUG("io_debug_size_bytes: %u\n",			  le32_to_cpu(mc_hdr->io_debug_size_bytes));		DRM_DEBUG("io_debug_array_offset_bytes: %u\n",			  le32_to_cpu(mc_hdr->io_debug_array_offset_bytes));	} else {		DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor);	}} void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr){	uint16_t version_major = le16_to_cpu(hdr->header_version_major);	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 	DRM_DEBUG("SMC\n");	amdgpu_ucode_print_common_hdr(hdr); 	if (version_major == 1) {		const struct smc_firmware_header_v1_0 *smc_hdr =			container_of(hdr, struct smc_firmware_header_v1_0, header); 		DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));	} else {		DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);	}} void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr){	uint16_t version_major = le16_to_cpu(hdr->header_version_major);	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 	DRM_DEBUG("GFX\n");	amdgpu_ucode_print_common_hdr(hdr); 	if (version_major == 1) {		const struct gfx_firmware_header_v1_0 *gfx_hdr =			container_of(hdr, struct gfx_firmware_header_v1_0, header); 		DRM_DEBUG("ucode_feature_version: %u\n",			  le32_to_cpu(gfx_hdr->ucode_feature_version));		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset));		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size));	} else {		DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);	}} void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr){	uint16_t version_major = le16_to_cpu(hdr->header_version_major);	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 	DRM_DEBUG("RLC\n");	amdgpu_ucode_print_common_hdr(hdr); 	if (version_major == 1) {		const struct rlc_firmware_header_v1_0 *rlc_hdr =			container_of(hdr, struct rlc_firmware_header_v1_0, header); 		DRM_DEBUG("ucode_feature_version: %u\n",			  le32_to_cpu(rlc_hdr->ucode_feature_version));		DRM_DEBUG("save_and_restore_offset: %u\n",			  le32_to_cpu(rlc_hdr->save_and_restore_offset));		DRM_DEBUG("clear_state_descriptor_offset: %u\n",			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));		DRM_DEBUG("avail_scratch_ram_locations: %u\n",			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));		DRM_DEBUG("master_pkt_description_offset: %u\n",			  le32_to_cpu(rlc_hdr->master_pkt_description_offset));	} else if (version_major == 2) {		const struct rlc_firmware_header_v2_0 *rlc_hdr =			container_of(hdr, struct rlc_firmware_header_v2_0, header); 		DRM_DEBUG("ucode_feature_version: %u\n",			  le32_to_cpu(rlc_hdr->ucode_feature_version));		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(rlc_hdr->jt_offset));		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(rlc_hdr->jt_size));		DRM_DEBUG("save_and_restore_offset: %u\n",			  le32_to_cpu(rlc_hdr->save_and_restore_offset));		DRM_DEBUG("clear_state_descriptor_offset: %u\n",			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));		DRM_DEBUG("avail_scratch_ram_locations: %u\n",			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));		DRM_DEBUG("reg_restore_list_size: %u\n",			  le32_to_cpu(rlc_hdr->reg_restore_list_size));		DRM_DEBUG("reg_list_format_start: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_start));		DRM_DEBUG("reg_list_format_separate_start: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_separate_start));		DRM_DEBUG("starting_offsets_start: %u\n",			  le32_to_cpu(rlc_hdr->starting_offsets_start));		DRM_DEBUG("reg_list_format_size_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_size_bytes));		DRM_DEBUG("reg_list_format_array_offset_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_array_offset_bytes));		DRM_DEBUG("reg_list_size_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_size_bytes));		DRM_DEBUG("reg_list_array_offset_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_array_offset_bytes));		DRM_DEBUG("reg_list_format_separate_size_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_separate_size_bytes));		DRM_DEBUG("reg_list_format_separate_array_offset_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_format_separate_array_offset_bytes));		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));	} else {		DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);	}} void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr){	uint16_t version_major = le16_to_cpu(hdr->header_version_major);	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor); 	DRM_DEBUG("SDMA\n");	amdgpu_ucode_print_common_hdr(hdr); 	if (version_major == 1) {		const struct sdma_firmware_header_v1_0 *sdma_hdr =			container_of(hdr, struct sdma_firmware_header_v1_0, header); 		DRM_DEBUG("ucode_feature_version: %u\n",			  le32_to_cpu(sdma_hdr->ucode_feature_version));		DRM_DEBUG("ucode_change_version: %u\n",			  le32_to_cpu(sdma_hdr->ucode_change_version));		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));		if (version_minor >= 1) {			const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr =				container_of(sdma_hdr, struct sdma_firmware_header_v1_1, v1_0);			DRM_DEBUG("digest_size: %u\n", le32_to_cpu(sdma_v1_1_hdr->digest_size));		}	} else {		DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",			  version_major, version_minor);	}} int amdgpu_ucode_validate(const struct firmware *fw){	const struct common_firmware_header *hdr =		(const struct common_firmware_header *)fw->data; 	if (fw->size == le32_to_cpu(hdr->size_bytes))		return 0; 	return -EINVAL;} bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,				uint16_t hdr_major, uint16_t hdr_minor){	if ((hdr->common.header_version_major == hdr_major) &&		(hdr->common.header_version_minor == hdr_minor))		return false;	return true;} static int amdgpu_ucode_init_single_fw(struct amdgpu_firmware_info *ucode,				uint64_t mc_addr, void *kptr){	const struct common_firmware_header *header = NULL; 	if (NULL == ucode->fw)		return 0; 	ucode->mc_addr = mc_addr;	ucode->kaddr = kptr; 	header = (const struct common_firmware_header *)ucode->fw->data;	memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +		le32_to_cpu(header->ucode_array_offset_bytes)),		le32_to_cpu(header->ucode_size_bytes)); 	return 0;} int amdgpu_ucode_init_bo(struct amdgpu_device *adev){	struct amdgpu_bo **bo = &adev->firmware.fw_buf;	uint64_t fw_mc_addr;	void *fw_buf_ptr = NULL;	uint64_t fw_offset = 0;	int i, err;	struct amdgpu_firmware_info *ucode = NULL;	const struct common_firmware_header *header = NULL; 	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,			AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, bo);	if (err) {		dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);		err = -ENOMEM;		goto failed;	} 	err = amdgpu_bo_reserve(*bo, false);	if (err) {		amdgpu_bo_unref(bo);		dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);		goto failed;	} 	err = amdgpu_bo_pin(*bo, AMDGPU_GEM_DOMAIN_GTT, &fw_mc_addr);	if (err) {		amdgpu_bo_unreserve(*bo);		amdgpu_bo_unref(bo);		dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);		goto failed;	} 	err = amdgpu_bo_kmap(*bo, &fw_buf_ptr);	if (err) {		dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);		amdgpu_bo_unpin(*bo);		amdgpu_bo_unreserve(*bo);		amdgpu_bo_unref(bo);		goto failed;	} 	amdgpu_bo_unreserve(*bo); 	fw_offset = 0;	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {		ucode = &adev->firmware.ucode[i];		if (ucode->fw) {			header = (const struct common_firmware_header *)ucode->fw->data;			amdgpu_ucode_init_single_fw(ucode, fw_mc_addr + fw_offset,						    fw_buf_ptr + fw_offset);			fw_offset += ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);		}	} failed:	if (err)		adev->firmware.smu_load = false; 	return err;} int amdgpu_ucode_fini_bo(struct amdgpu_device *adev){	int i;	struct amdgpu_firmware_info *ucode = NULL; 	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {		ucode = &adev->firmware.ucode[i];		if (ucode->fw) {			ucode->mc_addr = 0;			ucode->kaddr = NULL;		}	}	amdgpu_bo_unref(&adev->firmware.fw_buf);	adev->firmware.fw_buf = NULL; 	return 0;}