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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 <linux/pci.h>
#include "smumgr.h"
#include "smu10_inc.h"
#include "soc15_common.h"
#include "smu10_smumgr.h"
#include "ppatomctrl.h"
#include "rv_ppsmc.h"
#include "smu10_driver_if.h"
#include "smu10.h"
#include "pp_debug.h"
#define BUFFER_SIZE 80000
#define MAX_STRING_SIZE 15
#define BUFFER_SIZETWO 131072
#define MP0_Public 0x03800000
#define MP0_SRAM 0x03900000
#define MP1_Public 0x03b00000
#define MP1_SRAM 0x03c00004
#define smnMP1_FIRMWARE_FLAGS 0x3010028
static uint32_t smu10_wait_for_response(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
uint32_t reg;
reg = SOC15_REG_OFFSET(MP1, 0, mmMP1_SMN_C2PMSG_90);
phm_wait_for_register_unequal(hwmgr, reg,
0, MP1_C2PMSG_90__CONTENT_MASK);
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
}
static int smu10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr,
uint16_t msg)
{
struct amdgpu_device *adev = hwmgr->adev;
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
return 0;
}
static uint32_t smu10_read_arg_from_smc(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
}
static int smu10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
{
struct amdgpu_device *adev = hwmgr->adev;
smu10_wait_for_response(hwmgr);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
smu10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (smu10_wait_for_response(hwmgr) == 0)
printk("Failed to send Message %x.\n", msg);
return 0;
}
static int smu10_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
uint16_t msg, uint32_t parameter)
{
struct amdgpu_device *adev = hwmgr->adev;
smu10_wait_for_response(hwmgr);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, parameter);
smu10_send_msg_to_smc_without_waiting(hwmgr, msg);
if (smu10_wait_for_response(hwmgr) == 0)
printk("Failed to send Message %x.\n", msg);
return 0;
}
static int smu10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id)
{
struct smu10_smumgr *priv =
(struct smu10_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;);
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
priv->smu_tables.entry[table_id].table_id);
memcpy(table, (uint8_t *)priv->smu_tables.entry[table_id].table,
priv->smu_tables.entry[table_id].size);
return 0;
}
static int smu10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
uint8_t *table, int16_t table_id)
{
struct smu10_smumgr *priv =
(struct smu10_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);
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
smu10_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableDram2Smu,
priv->smu_tables.entry[table_id].table_id);
return 0;
}
static int smu10_verify_smc_interface(struct pp_hwmgr *hwmgr)
{
uint32_t smc_driver_if_version;
smu10_send_msg_to_smc(hwmgr,
PPSMC_MSG_GetDriverIfVersion);
smc_driver_if_version = smu10_read_arg_from_smc(hwmgr);
if ((smc_driver_if_version != SMU10_DRIVER_IF_VERSION) &&
(smc_driver_if_version != SMU10_DRIVER_IF_VERSION + 1)) {
pr_err("Attempt to read SMC IF Version Number Failed!\n");
return -EINVAL;
}
return 0;
}
static int smu10_smu_fini(struct pp_hwmgr *hwmgr)
{
struct smu10_smumgr *priv =
(struct smu10_smumgr *)(hwmgr->smu_backend);
if (priv) {
amdgpu_bo_free_kernel(&priv->smu_tables.entry[SMU10_WMTABLE].handle,
&priv->smu_tables.entry[SMU10_WMTABLE].mc_addr,
&priv->smu_tables.entry[SMU10_WMTABLE].table);
amdgpu_bo_free_kernel(&priv->smu_tables.entry[SMU10_CLOCKTABLE].handle,
&priv->smu_tables.entry[SMU10_CLOCKTABLE].mc_addr,
&priv->smu_tables.entry[SMU10_CLOCKTABLE].table);
kfree(hwmgr->smu_backend);
hwmgr->smu_backend = NULL;
}
return 0;
}
static int smu10_start_smu(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
hwmgr->smu_version = smu10_read_arg_from_smc(hwmgr);
adev->pm.fw_version = hwmgr->smu_version >> 8;
if (adev->rev_id < 0x8 && adev->pdev->device != 0x15d8 &&
adev->pm.fw_version < 0x1e45)
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
if (smu10_verify_smc_interface(hwmgr))
return -EINVAL;
return 0;
}
static int smu10_smu_init(struct pp_hwmgr *hwmgr)
{
struct smu10_smumgr *priv;
int r;
priv = kzalloc(sizeof(struct smu10_smumgr), GFP_KERNEL);
if (!priv)
return -ENOMEM;
hwmgr->smu_backend = priv;
/* allocate space for watermarks table */
r = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
sizeof(Watermarks_t),
PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&priv->smu_tables.entry[SMU10_WMTABLE].handle,
&priv->smu_tables.entry[SMU10_WMTABLE].mc_addr,
&priv->smu_tables.entry[SMU10_WMTABLE].table);
if (r)
goto err0;
priv->smu_tables.entry[SMU10_WMTABLE].version = 0x01;
priv->smu_tables.entry[SMU10_WMTABLE].size = sizeof(Watermarks_t);
priv->smu_tables.entry[SMU10_WMTABLE].table_id = TABLE_WATERMARKS;
/* allocate space for watermarks table */
r = amdgpu_bo_create_kernel((struct amdgpu_device *)hwmgr->adev,
sizeof(DpmClocks_t),
PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&priv->smu_tables.entry[SMU10_CLOCKTABLE].handle,
&priv->smu_tables.entry[SMU10_CLOCKTABLE].mc_addr,
&priv->smu_tables.entry[SMU10_CLOCKTABLE].table);
if (r)
goto err1;
priv->smu_tables.entry[SMU10_CLOCKTABLE].version = 0x01;
priv->smu_tables.entry[SMU10_CLOCKTABLE].size = sizeof(DpmClocks_t);
priv->smu_tables.entry[SMU10_CLOCKTABLE].table_id = TABLE_DPMCLOCKS;
return 0;
err1:
amdgpu_bo_free_kernel(&priv->smu_tables.entry[SMU10_WMTABLE].handle,
&priv->smu_tables.entry[SMU10_WMTABLE].mc_addr,
&priv->smu_tables.entry[SMU10_WMTABLE].table);
err0:
kfree(priv);
return -EINVAL;
}
static int smu10_smc_table_manager(struct pp_hwmgr *hwmgr, uint8_t *table, uint16_t table_id, bool rw)
{
int ret;
if (rw)
ret = smu10_copy_table_from_smc(hwmgr, table, table_id);
else
ret = smu10_copy_table_to_smc(hwmgr, table, table_id);
return ret;
}
const struct pp_smumgr_func smu10_smu_funcs = {
.name = "smu10_smu",
.smu_init = &smu10_smu_init,
.smu_fini = &smu10_smu_fini,
.start_smu = &smu10_start_smu,
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = &smu10_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &smu10_send_msg_to_smc_with_parameter,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.get_argument = smu10_read_arg_from_smc,
.smc_table_manager = smu10_smc_table_manager,
};
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