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ubuntu-linux-kernel/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c

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/*
* 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.
*
*/
#include "smumgr.h"
#include "vega10_inc.h"
#include "pp_soc15.h"
#include "vega10_smumgr.h"
#include "vega10_ppsmc.h"
#include "smu9_driver_if.h"
#include "ppatomctrl.h"
#include "pp_debug.h"
#include "smu_ucode_xfer_vi.h"
#include "smu7_smumgr.h"
#define AVFS_EN_MSB 1568
#define AVFS_EN_LSB 1568
#define VOLTAGE_SCALE 4
/* Microcode file is stored in this buffer */
#define BUFFER_SIZE 80000
#define MAX_STRING_SIZE 15
#define BUFFER_SIZETWO 131072 /* 128 *1024 */
/* MP Apertures */
#define MP0_Public 0x03800000
#define MP0_SRAM 0x03900000
#define MP1_Public 0x03b00000
#define MP1_SRAM 0x03c00004
#define smnMP1_FIRMWARE_FLAGS 0x3010028
#define smnMP0_FW_INTF 0x3010104
#define smnMP1_PUB_CTRL 0x3010b14
static bool vega10_is_smc_ram_running(struct pp_hwmgr *hwmgr)
{
uint32_t mp1_fw_flags, reg;
reg = soc15_get_register_offset(NBIF_HWID, 0,
mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2);
cgs_write_register(hwmgr->device, reg,
(MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));
reg = soc15_get_register_offset(NBIF_HWID, 0,
mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2);
mp1_fw_flags = cgs_read_register(hwmgr->device, reg);
if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
return true;
return false;
}
/*
* Check if SMC has responded to previous message.
*
* @param smumgr the address of the powerplay hardware manager.
* @return TRUE SMC has responded, FALSE otherwise.
*/
static uint32_t vega10_wait_for_response(struct pp_hwmgr *hwmgr)
{
uint32_t reg;
if (!vega10_is_smc_ram_running(hwmgr))
return -EINVAL;
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
phm_wait_for_register_unequal(hwmgr, reg,
0, MP1_C2PMSG_90__CONTENT_MASK);
return cgs_read_register(hwmgr->device, reg);
}
/*
* Send a message to the SMC, and do not wait for its response.
* @param smumgr the address of the powerplay hardware manager.
* @param msg the message to send.
* @return Always return 0.
*/
int vega10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
uint16_t msg)
{
uint32_t reg;
if (!vega10_is_smc_ram_running(hwmgr))
return -EINVAL;
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66);
cgs_write_register(hwmgr->device, reg, msg);
return 0;
}
/*
* Send a message to the SMC, and wait for its response.
* @param hwmgr the address of the powerplay hardware manager.
* @param msg the message to send.
* @return Always return 0.
*/
int vega10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{
uint32_t reg;
if (!vega10_is_smc_ram_running(hwmgr))
return -EINVAL;
vega10_wait_for_response(hwmgr);
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
cgs_write_register(hwmgr->device, reg, 0);
vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (vega10_wait_for_response(hwmgr) != 1)
pr_err("Failed to send message: 0x%x\n", msg);
return 0;
}
/*
* Send a message to the SMC with parameter
* @param hwmgr: the address of the powerplay hardware manager.
* @param msg: the message to send.
* @param parameter: the parameter to send
* @return Always return 0.
*/
int vega10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
uint16_t msg, uint32_t parameter)
{
uint32_t reg;
if (!vega10_is_smc_ram_running(hwmgr))
return -EINVAL;
vega10_wait_for_response(hwmgr);
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
cgs_write_register(hwmgr->device, reg, 0);
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
cgs_write_register(hwmgr->device, reg, parameter);
vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (vega10_wait_for_response(hwmgr) != 1)
pr_err("Failed to send message: 0x%x\n", msg);
return 0;
}
/*
* Send a message to the SMC with parameter, do not wait for response
* @param hwmgr: the address of the powerplay hardware manager.
* @param msg: the message to send.
* @param parameter: the parameter to send
* @return The response that came from the SMC.
*/
int vega10_send_msg_to_smc_with_parameter_without_waiting(
struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
{
uint32_t reg;
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
cgs_write_register(hwmgr->device, reg, parameter);
return vega10_send_msg_to_smc_without_waiting(hwmgr, msg);
}
/*
* Retrieve an argument from SMC.
* @param hwmgr the address of the powerplay hardware manager.
* @param arg pointer to store the argument from SMC.
* @return Always return 0.
*/
int vega10_read_arg_from_smc(struct pp_hwmgr *hwmgr, uint32_t *arg)
{
uint32_t reg;
reg = soc15_get_register_offset(MP1_HWID, 0,
mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
*arg = cgs_read_register(hwmgr->device, reg);
return 0;
}
/*
* Copy table from SMC into driver FB
* @param hwmgr the address of the HW manager
* @param table_id the driver's table ID to copy from
*/
int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id)
{
struct vega10_smumgr *priv =
(struct vega10_smumgr *)(hwmgr->smu_backend);
PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
"Invalid SMU Table ID!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
"Invalid SMU Table version!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
priv->smu_tables.entry[table_id].table_addr_high) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
priv->smu_tables.entry[table_id].table_addr_low) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
return -EINVAL);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
priv->smu_tables.entry[table_id].table_id) == 0,
"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
return -EINVAL);
memcpy(table, priv->smu_tables.entry[table_id].table,
priv->smu_tables.entry[table_id].size);
return 0;
}
/*
* Copy table from Driver FB into SMC
* @param hwmgr the address of the HW manager
* @param table_id the table to copy from
*/
int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id)
{
struct vega10_smumgr *priv =
(struct vega10_smumgr *)(hwmgr->smu_backend);
PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
"Invalid SMU Table ID!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
"Invalid SMU Table version!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL);
memcpy(priv->smu_tables.entry[table_id].table, table,
priv->smu_tables.entry[table_id].size);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
priv->smu_tables.entry[table_id].table_addr_high) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
return -EINVAL;);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
priv->smu_tables.entry[table_id].table_addr_low) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
return -EINVAL);
PP_ASSERT_WITH_CODE(vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableDram2Smu,
priv->smu_tables.entry[table_id].table_id) == 0,
"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
return -EINVAL);
return 0;
}
int vega10_save_vft_table(struct pp_hwmgr *hwmgr, uint8_t *avfs_table)
{
PP_ASSERT_WITH_CODE(avfs_table,
"No access to SMC AVFS Table",
return -EINVAL);
return vega10_copy_table_from_smc(hwmgr, avfs_table, AVFSTABLE);
}
int vega10_restore_vft_table(struct pp_hwmgr *hwmgr, uint8_t *avfs_table)
{
PP_ASSERT_WITH_CODE(avfs_table,
"No access to SMC AVFS Table",
return -EINVAL);
return vega10_copy_table_to_smc(hwmgr, avfs_table, AVFSTABLE);
}
int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
bool enable, uint32_t feature_mask)
{
int msg = enable ? PPSMC_MSG_EnableSmuFeatures :
PPSMC_MSG_DisableSmuFeatures;
return vega10_send_msg_to_smc_with_parameter(hwmgr,
msg, feature_mask);
}
int vega10_get_smc_features(struct pp_hwmgr *hwmgr,
uint32_t *features_enabled)
{
if (features_enabled == NULL)
return -EINVAL;
if (!vega10_send_msg_to_smc(hwmgr,
PPSMC_MSG_GetEnabledSmuFeatures)) {
vega10_read_arg_from_smc(hwmgr, features_enabled);
return 0;
}
return -EINVAL;
}
int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
{
struct vega10_smumgr *priv =
(struct vega10_smumgr *)(hwmgr->smu_backend);
if (priv->smu_tables.entry[TOOLSTABLE].table_addr_high ||
priv->smu_tables.entry[TOOLSTABLE].table_addr_low) {
if (!vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrHigh,
priv->smu_tables.entry[TOOLSTABLE].table_addr_high))
vega10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrLow,
priv->smu_tables.entry[TOOLSTABLE].table_addr_low);
}
return 0;
}
static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
{
uint32_t smc_driver_if_version;
struct cgs_system_info sys_info = {0};
uint32_t dev_id;
uint32_t rev_id;
PP_ASSERT_WITH_CODE(!vega10_send_msg_to_smc(hwmgr,
PPSMC_MSG_GetDriverIfVersion),
"Attempt to get SMC IF Version Number Failed!",
return -EINVAL);
vega10_read_arg_from_smc(hwmgr, &smc_driver_if_version);
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PCIE_DEV;
cgs_query_system_info(hwmgr->device, &sys_info);
dev_id = (uint32_t)sys_info.value;
sys_info.size = sizeof(struct cgs_system_info);
sys_info.info_id = CGS_SYSTEM_INFO_PCIE_REV;
cgs_query_system_info(hwmgr->device, &sys_info);
rev_id = (uint32_t)sys_info.value;
if (!((dev_id == 0x687f) &&
((rev_id == 0xc0) ||
(rev_id == 0xc1) ||
(rev_id == 0xc3)))) {
if (smc_driver_if_version != SMU9_DRIVER_IF_VERSION) {
pr_err("Your firmware(0x%x) doesn't match \
SMU9_DRIVER_IF_VERSION(0x%x). \
Please update your firmware!\n",
smc_driver_if_version, SMU9_DRIVER_IF_VERSION);
return -EINVAL;
}
}
return 0;
}
static int vega10_smu_init(struct pp_hwmgr *hwmgr)
{
struct vega10_smumgr *priv;
uint64_t mc_addr;
void *kaddr = NULL;
unsigned long handle, tools_size;
int ret;
struct cgs_firmware_info info = {0};
ret = cgs_get_firmware_info(hwmgr->device,
smu7_convert_fw_type_to_cgs(UCODE_ID_SMU),
&info);
if (ret || !info.kptr)
return -EINVAL;
priv = kzalloc(sizeof(struct vega10_smumgr), GFP_KERNEL);
if (!priv)
return -ENOMEM;
hwmgr->smu_backend = priv;
/* allocate space for pptable */
smu_allocate_memory(hwmgr->device,
sizeof(PPTable_t),
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
PAGE_SIZE,
&mc_addr,
&kaddr,
&handle);
PP_ASSERT_WITH_CODE(kaddr,
"[vega10_smu_init] Out of memory for pptable.",
kfree(hwmgr->smu_backend);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)handle);
return -EINVAL);
priv->smu_tables.entry[PPTABLE].version = 0x01;
priv->smu_tables.entry[PPTABLE].size = sizeof(PPTable_t);
priv->smu_tables.entry[PPTABLE].table_id = TABLE_PPTABLE;
priv->smu_tables.entry[PPTABLE].table_addr_high =
smu_upper_32_bits(mc_addr);
priv->smu_tables.entry[PPTABLE].table_addr_low =
smu_lower_32_bits(mc_addr);
priv->smu_tables.entry[PPTABLE].table = kaddr;
priv->smu_tables.entry[PPTABLE].handle = handle;
/* allocate space for watermarks table */
smu_allocate_memory(hwmgr->device,
sizeof(Watermarks_t),
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
PAGE_SIZE,
&mc_addr,
&kaddr,
&handle);
PP_ASSERT_WITH_CODE(kaddr,
"[vega10_smu_init] Out of memory for wmtable.",
kfree(hwmgr->smu_backend);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)handle);
return -EINVAL);
priv->smu_tables.entry[WMTABLE].version = 0x01;
priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
priv->smu_tables.entry[WMTABLE].table_addr_high =
smu_upper_32_bits(mc_addr);
priv->smu_tables.entry[WMTABLE].table_addr_low =
smu_lower_32_bits(mc_addr);
priv->smu_tables.entry[WMTABLE].table = kaddr;
priv->smu_tables.entry[WMTABLE].handle = handle;
/* allocate space for AVFS table */
smu_allocate_memory(hwmgr->device,
sizeof(AvfsTable_t),
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
PAGE_SIZE,
&mc_addr,
&kaddr,
&handle);
PP_ASSERT_WITH_CODE(kaddr,
"[vega10_smu_init] Out of memory for avfs table.",
kfree(hwmgr->smu_backend);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)handle);
return -EINVAL);
priv->smu_tables.entry[AVFSTABLE].version = 0x01;
priv->smu_tables.entry[AVFSTABLE].size = sizeof(AvfsTable_t);
priv->smu_tables.entry[AVFSTABLE].table_id = TABLE_AVFS;
priv->smu_tables.entry[AVFSTABLE].table_addr_high =
smu_upper_32_bits(mc_addr);
priv->smu_tables.entry[AVFSTABLE].table_addr_low =
smu_lower_32_bits(mc_addr);
priv->smu_tables.entry[AVFSTABLE].table = kaddr;
priv->smu_tables.entry[AVFSTABLE].handle = handle;
tools_size = 0x19000;
if (tools_size) {
smu_allocate_memory(hwmgr->device,
tools_size,
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
PAGE_SIZE,
&mc_addr,
&kaddr,
&handle);
if (kaddr) {
priv->smu_tables.entry[TOOLSTABLE].version = 0x01;
priv->smu_tables.entry[TOOLSTABLE].size = tools_size;
priv->smu_tables.entry[TOOLSTABLE].table_id = TABLE_PMSTATUSLOG;
priv->smu_tables.entry[TOOLSTABLE].table_addr_high =
smu_upper_32_bits(mc_addr);
priv->smu_tables.entry[TOOLSTABLE].table_addr_low =
smu_lower_32_bits(mc_addr);
priv->smu_tables.entry[TOOLSTABLE].table = kaddr;
priv->smu_tables.entry[TOOLSTABLE].handle = handle;
}
}
/* allocate space for AVFS Fuse table */
smu_allocate_memory(hwmgr->device,
sizeof(AvfsFuseOverride_t),
CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
PAGE_SIZE,
&mc_addr,
&kaddr,
&handle);
PP_ASSERT_WITH_CODE(kaddr,
"[vega10_smu_init] Out of memory for avfs fuse table.",
kfree(hwmgr->smu_backend);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)handle);
return -EINVAL);
priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
priv->smu_tables.entry[AVFSFUSETABLE].table_addr_high =
smu_upper_32_bits(mc_addr);
priv->smu_tables.entry[AVFSFUSETABLE].table_addr_low =
smu_lower_32_bits(mc_addr);
priv->smu_tables.entry[AVFSFUSETABLE].table = kaddr;
priv->smu_tables.entry[AVFSFUSETABLE].handle = handle;
return 0;
}
static int vega10_smu_fini(struct pp_hwmgr *hwmgr)
{
struct vega10_smumgr *priv =
(struct vega10_smumgr *)(hwmgr->smu_backend);
if (priv) {
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
if (priv->smu_tables.entry[TOOLSTABLE].table)
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
cgs_free_gpu_mem(hwmgr->device,
(cgs_handle_t)priv->smu_tables.entry[AVFSFUSETABLE].handle);
kfree(hwmgr->smu_backend);
hwmgr->smu_backend = NULL;
}
return 0;
}
static int vega10_start_smu(struct pp_hwmgr *hwmgr)
{
PP_ASSERT_WITH_CODE(!vega10_verify_smc_interface(hwmgr),
"Failed to verify SMC interface!",
return -EINVAL);
vega10_set_tools_address(hwmgr);
return 0;
}
const struct pp_smumgr_func vega10_smu_funcs = {
.smu_init = &vega10_smu_init,
.smu_fini = &vega10_smu_fini,
.start_smu = &vega10_start_smu,
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = &vega10_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &vega10_send_msg_to_smc_with_parameter,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
};
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