diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h | 37 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 170 |
2 files changed, 207 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h new file mode 100644 index 000000000000..278cdc2c0d47 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h @@ -0,0 +1,37 @@ +/* + * Copyright 2019 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. + * + */ +#ifndef __SMU_V12_0_H__ +#define __SMU_V12_0_H__ + +#include "amdgpu_smu.h" + +/* MP Apertures */ +#define MP0_Public 0x03800000 +#define MP0_SRAM 0x03900000 +#define MP1_Public 0x03b00000 +#define MP1_SRAM 0x03c00004 + + +void smu_v12_0_set_smu_funcs(struct smu_context *smu); + +#endif diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c new file mode 100644 index 000000000000..fdafa2306c29 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c @@ -0,0 +1,170 @@ +/* + * Copyright 2019 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 "pp_debug.h" +#include <linux/firmware.h> +#include "amdgpu.h" +#include "amdgpu_smu.h" +#include "atomfirmware.h" +#include "amdgpu_atomfirmware.h" +#include "smu_v12_0.h" +#include "soc15_common.h" +#include "atom.h" +#include "renoir_ppt.h" + +#include "asic_reg/mp/mp_12_0_0_offset.h" +#include "asic_reg/mp/mp_12_0_0_sh_mask.h" + +#define smnMP1_FIRMWARE_FLAGS 0x3010024 + +static int smu_v12_0_send_msg_without_waiting(struct smu_context *smu, + uint16_t msg) +{ + struct amdgpu_device *adev = smu->adev; + + WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg); + return 0; +} + +static int smu_v12_0_read_arg(struct smu_context *smu, uint32_t *arg) +{ + struct amdgpu_device *adev = smu->adev; + + *arg = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82); + return 0; +} + +static int smu_v12_0_wait_for_response(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t cur_value, i; + + for (i = 0; i < adev->usec_timeout; i++) { + cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90); + if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0) + break; + udelay(1); + } + + /* timeout means wrong logic */ + if (i == adev->usec_timeout) + return -ETIME; + + return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO; +} + +static int smu_v12_0_send_msg(struct smu_context *smu, uint16_t msg) +{ + struct amdgpu_device *adev = smu->adev; + int ret = 0, index = 0; + + index = smu_msg_get_index(smu, msg); + if (index < 0) + return index; + + smu_v12_0_wait_for_response(smu); + + WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0); + + smu_v12_0_send_msg_without_waiting(smu, (uint16_t)index); + + ret = smu_v12_0_wait_for_response(smu); + + if (ret) + pr_err("Failed to send message 0x%x, response 0x%x\n", index, + ret); + + return ret; + +} + +static int +smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg, + uint32_t param) +{ + + struct amdgpu_device *adev = smu->adev; + int ret = 0, index = 0; + + index = smu_msg_get_index(smu, msg); + if (index < 0) + return index; + + ret = smu_v12_0_wait_for_response(smu); + if (ret) + pr_err("Failed to send message 0x%x, response 0x%x, param 0x%x\n", + index, ret, param); + + WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0); + + WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, param); + + smu_v12_0_send_msg_without_waiting(smu, (uint16_t)index); + + ret = smu_v12_0_wait_for_response(smu); + if (ret) + pr_err("Failed to send message 0x%x, response 0x%x param 0x%x\n", + index, ret, param); + + return ret; +} + +static int smu_v12_0_check_fw_version(struct smu_context *smu) +{ + uint32_t smu_version = 0xff; + int ret = 0; + + ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion); + if (ret) + goto err; + + ret = smu_read_smc_arg(smu, &smu_version); + if (ret) + goto err; + + if (smu_version != smu->smc_if_version) + ret = -EINVAL; +err: + return ret; +} + +static const struct smu_funcs smu_v12_0_funcs = { + .check_fw_version = smu_v12_0_check_fw_version, + .send_smc_msg = smu_v12_0_send_msg, + .send_smc_msg_with_param = smu_v12_0_send_msg_with_param, + .read_smc_arg = smu_v12_0_read_arg, +}; + +void smu_v12_0_set_smu_funcs(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + + smu->funcs = &smu_v12_0_funcs; + + switch (adev->asic_type) { + case CHIP_RENOIR: + renoir_set_ppt_funcs(smu); + break; + default: + pr_warn("Unknown asic for smu12\n"); + } +} |