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OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

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/*
* 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;
if (ucode->ucode_id == AMDGPU_UCODE_ID_STORAGE)
return 0;
header = (const struct common_firmware_header *)ucode->fw->data;
ucode->ucode_size = le32_to_cpu(header->ucode_size_bytes);
memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
le32_to_cpu(header->ucode_array_offset_bytes)),
ucode->ucode_size);
return 0;
}
static int amdgpu_ucode_patch_jt(struct amdgpu_firmware_info *ucode,
uint64_t mc_addr, void *kptr)
{
const struct gfx_firmware_header_v1_0 *header = NULL;
const struct common_firmware_header *comm_hdr = NULL;
uint8_t* src_addr = NULL;
uint8_t* dst_addr = NULL;
if (NULL == ucode->fw)
return 0;
comm_hdr = (const struct common_firmware_header *)ucode->fw->data;
header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
dst_addr = ucode->kaddr +
ALIGN(le32_to_cpu(comm_hdr->ucode_size_bytes),
PAGE_SIZE);
src_addr = (uint8_t *)ucode->fw->data +
le32_to_cpu(comm_hdr->ucode_array_offset_bytes) +
(le32_to_cpu(header->jt_offset) * 4);
memcpy(dst_addr, src_addr, le32_to_cpu(header->jt_size) * 4);
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_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
0, NULL, NULL, bo);
if (err) {
dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
goto failed;
}
err = amdgpu_bo_reserve(*bo, false);
if (err) {
dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);
goto failed_reserve;
}
err = amdgpu_bo_pin(*bo, amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
&fw_mc_addr);
if (err) {
dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);
goto failed_pin;
}
err = amdgpu_bo_kmap(*bo, &fw_buf_ptr);
if (err) {
dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);
goto failed_kmap;
}
amdgpu_bo_unreserve(*bo);
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);
if (i == AMDGPU_UCODE_ID_CP_MEC1) {
const struct gfx_firmware_header_v1_0 *cp_hdr;
cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
amdgpu_ucode_patch_jt(ucode, fw_mc_addr + fw_offset,
fw_buf_ptr + fw_offset);
fw_offset += ALIGN(le32_to_cpu(cp_hdr->jt_size) << 2, PAGE_SIZE);
}
fw_offset += ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
}
}
return 0;
failed_kmap:
amdgpu_bo_unpin(*bo);
failed_pin:
amdgpu_bo_unreserve(*bo);
failed_reserve:
amdgpu_bo_unref(bo);
failed:
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;
}
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