diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c new file mode 100644 index 000000000000..bc53f2beda30 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c @@ -0,0 +1,344 @@ +/* + * 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 "smu10_inc.h" +#include "pp_soc15.h" +#include "smu10_smumgr.h" +#include "ppatomctrl.h" +#include "rv_ppsmc.h" +#include "smu10_driver_if.h" +#include "smu10.h" +#include "ppatomctrl.h" +#include "pp_debug.h" + + +#define VOLTAGE_SCALE 4 + +#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) +{ + uint32_t reg; + + 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); +} + +static int smu10_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, + uint16_t msg) +{ + uint32_t reg; + + 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; +} + +static int smu10_read_arg_from_smc(struct pp_hwmgr *hwmgr) +{ + uint32_t reg; + + reg = soc15_get_register_offset(MP1_HWID, 0, + mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82); + + return cgs_read_register(hwmgr->device, reg); +} + +static int smu10_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg) +{ + uint32_t reg; + + smu10_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); + + 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) +{ + uint32_t reg; + + smu10_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); + + 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) { + pr_err("Attempt to read SMC IF Version Number Failed!\n"); + return -EINVAL; + } + + return 0; +} + +/* sdma is disabled by default in vbios, need to re-enable in driver */ +static void smu10_smc_enable_sdma(struct pp_hwmgr *hwmgr) +{ + smu10_send_msg_to_smc(hwmgr, + PPSMC_MSG_PowerUpSdma); +} + +static void smu10_smc_disable_sdma(struct pp_hwmgr *hwmgr) +{ + smu10_send_msg_to_smc(hwmgr, + PPSMC_MSG_PowerDownSdma); +} + +/* vcn is disabled by default in vbios, need to re-enable in driver */ +static void smu10_smc_enable_vcn(struct pp_hwmgr *hwmgr) +{ + smu10_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_PowerUpVcn, 0); +} + +static void smu10_smc_disable_vcn(struct pp_hwmgr *hwmgr) +{ + smu10_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_PowerDownVcn, 0); +} + +static int smu10_smu_fini(struct pp_hwmgr *hwmgr) +{ + struct smu10_smumgr *priv = + (struct smu10_smumgr *)(hwmgr->smu_backend); + + if (priv) { + smu10_smc_disable_sdma(hwmgr); + smu10_smc_disable_vcn(hwmgr); + 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 (smu10_verify_smc_interface(hwmgr)) + return -EINVAL; + smu10_smc_enable_sdma(hwmgr); + smu10_smc_enable_vcn(hwmgr); + 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 = { + .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, +}; + + |