diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/kv_smc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_smc.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_smc.c b/drivers/gpu/drm/amd/amdgpu/kv_smc.c deleted file mode 100644 index 2d9ab6b8be66..000000000000 --- a/drivers/gpu/drm/amd/amdgpu/kv_smc.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright 2013 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. - * - * Authors: Alex Deucher - */ - -#include "amdgpu.h" -#include "cikd.h" -#include "kv_dpm.h" - -#include "smu/smu_7_0_0_d.h" -#include "smu/smu_7_0_0_sh_mask.h" - -int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id) -{ - u32 i; - u32 tmp = 0; - - WREG32(mmSMC_MESSAGE_0, id & SMC_MESSAGE_0__SMC_MSG_MASK); - - for (i = 0; i < adev->usec_timeout; i++) { - if ((RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK) != 0) - break; - udelay(1); - } - tmp = RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK; - - if (tmp != 1) { - if (tmp == 0xFF) - return -EINVAL; - else if (tmp == 0xFE) - return -EINVAL; - } - - return 0; -} - -int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask) -{ - int ret; - - ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SCLKDPM_GetEnabledMask); - - if (ret == 0) - *enable_mask = RREG32_SMC(ixSMC_SYSCON_MSG_ARG_0); - - return ret; -} - -int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev, - PPSMC_Msg msg, u32 parameter) -{ - - WREG32(mmSMC_MSG_ARG_0, parameter); - - return amdgpu_kv_notify_message_to_smu(adev, msg); -} - -static int kv_set_smc_sram_address(struct amdgpu_device *adev, - u32 smc_address, u32 limit) -{ - if (smc_address & 3) - return -EINVAL; - if ((smc_address + 3) > limit) - return -EINVAL; - - WREG32(mmSMC_IND_INDEX_0, smc_address); - WREG32_P(mmSMC_IND_ACCESS_CNTL, 0, - ~SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK); - - return 0; -} - -int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address, - u32 *value, u32 limit) -{ - int ret; - - ret = kv_set_smc_sram_address(adev, smc_address, limit); - if (ret) - return ret; - - *value = RREG32(mmSMC_IND_DATA_0); - return 0; -} - -int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable) -{ - if (enable) - return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Enable); - else - return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Disable); -} - -int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable) -{ - if (enable) - return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableBAPM); - else - return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableBAPM); -} - -int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev, - u32 smc_start_address, - const u8 *src, u32 byte_count, u32 limit) -{ - int ret; - u32 data, original_data, addr, extra_shift, t_byte, count, mask; - - if ((smc_start_address + byte_count) > limit) - return -EINVAL; - - addr = smc_start_address; - t_byte = addr & 3; - - /* RMW for the initial bytes */ - if (t_byte != 0) { - addr -= t_byte; - - ret = kv_set_smc_sram_address(adev, addr, limit); - if (ret) - return ret; - - original_data = RREG32(mmSMC_IND_DATA_0); - - data = 0; - mask = 0; - count = 4; - while (count > 0) { - if (t_byte > 0) { - mask = (mask << 8) | 0xff; - t_byte--; - } else if (byte_count > 0) { - data = (data << 8) + *src++; - byte_count--; - mask <<= 8; - } else { - data <<= 8; - mask = (mask << 8) | 0xff; - } - count--; - } - - data |= original_data & mask; - - ret = kv_set_smc_sram_address(adev, addr, limit); - if (ret) - return ret; - - WREG32(mmSMC_IND_DATA_0, data); - - addr += 4; - } - - while (byte_count >= 4) { - /* SMC address space is BE */ - data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3]; - - ret = kv_set_smc_sram_address(adev, addr, limit); - if (ret) - return ret; - - WREG32(mmSMC_IND_DATA_0, data); - - src += 4; - byte_count -= 4; - addr += 4; - } - - /* RMW for the final bytes */ - if (byte_count > 0) { - data = 0; - - ret = kv_set_smc_sram_address(adev, addr, limit); - if (ret) - return ret; - - original_data = RREG32(mmSMC_IND_DATA_0); - - extra_shift = 8 * (4 - byte_count); - - while (byte_count > 0) { - /* SMC address space is BE */ - data = (data << 8) + *src++; - byte_count--; - } - - data <<= extra_shift; - - data |= (original_data & ~((~0UL) << extra_shift)); - - ret = kv_set_smc_sram_address(adev, addr, limit); - if (ret) - return ret; - - WREG32(mmSMC_IND_DATA_0, data); - } - return 0; -} - |