diff options
author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
---|---|---|
committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
commit | d0781a89c06f46d0f75e4e142061b8accb67cbe5 (patch) | |
tree | 6a1731bfc76fd92aac1880c23f75377462e07b35 /drivers/gpu/drm/amd/amdgpu/ci_smc.c | |
parent | 7f4127c4839b1801087e08b1797e830a766391c1 (diff) | |
parent | a5f2fafece141ef3509e686cea576366d55cabb6 (diff) |
Merge drm/drm-next into drm-intel-next-queued
Doing a backmerge to be able to merge topic/mei-hdcp-2019-02-19 PR.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ci_smc.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ci_smc.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ci_smc.c b/drivers/gpu/drm/amd/amdgpu/ci_smc.c deleted file mode 100644 index b8ba51e045b5..000000000000 --- a/drivers/gpu/drm/amd/amdgpu/ci_smc.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * Copyright 2011 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 <linux/firmware.h> -#include <drm/drmP.h> -#include "amdgpu.h" -#include "cikd.h" -#include "ppsmc.h" -#include "amdgpu_ucode.h" -#include "ci_dpm.h" - -#include "smu/smu_7_0_1_d.h" -#include "smu/smu_7_0_1_sh_mask.h" - -static int ci_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_ci_copy_bytes_to_smc(struct amdgpu_device *adev, - u32 smc_start_address, - const u8 *src, u32 byte_count, u32 limit) -{ - unsigned long flags; - u32 data, original_data; - u32 addr; - u32 extra_shift; - int ret = 0; - - if (smc_start_address & 3) - return -EINVAL; - if ((smc_start_address + byte_count) > limit) - return -EINVAL; - - addr = smc_start_address; - - spin_lock_irqsave(&adev->smc_idx_lock, flags); - while (byte_count >= 4) { - /* SMC address space is BE */ - data = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; - - ret = ci_set_smc_sram_address(adev, addr, limit); - if (ret) - goto done; - - 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 = ci_set_smc_sram_address(adev, addr, limit); - if (ret) - goto done; - - original_data = RREG32(mmSMC_IND_DATA_0); - - extra_shift = 8 * (4 - byte_count); - - while (byte_count > 0) { - data = (data << 8) + *src++; - byte_count--; - } - - data <<= extra_shift; - - data |= (original_data & ~((~0UL) << extra_shift)); - - ret = ci_set_smc_sram_address(adev, addr, limit); - if (ret) - goto done; - - WREG32(mmSMC_IND_DATA_0, data); - } - -done: - spin_unlock_irqrestore(&adev->smc_idx_lock, flags); - - return ret; -} - -void amdgpu_ci_start_smc(struct amdgpu_device *adev) -{ - u32 tmp = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); - - tmp &= ~SMC_SYSCON_RESET_CNTL__rst_reg_MASK; - WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, tmp); -} - -void amdgpu_ci_reset_smc(struct amdgpu_device *adev) -{ - u32 tmp = RREG32_SMC(ixSMC_SYSCON_RESET_CNTL); - - tmp |= SMC_SYSCON_RESET_CNTL__rst_reg_MASK; - WREG32_SMC(ixSMC_SYSCON_RESET_CNTL, tmp); -} - -int amdgpu_ci_program_jump_on_start(struct amdgpu_device *adev) -{ - static u8 data[] = { 0xE0, 0x00, 0x80, 0x40 }; - - return amdgpu_ci_copy_bytes_to_smc(adev, 0x0, data, 4, sizeof(data)+1); -} - -void amdgpu_ci_stop_smc_clock(struct amdgpu_device *adev) -{ - u32 tmp = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); - - tmp |= SMC_SYSCON_CLOCK_CNTL_0__ck_disable_MASK; - - WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, tmp); -} - -void amdgpu_ci_start_smc_clock(struct amdgpu_device *adev) -{ - u32 tmp = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); - - tmp &= ~SMC_SYSCON_CLOCK_CNTL_0__ck_disable_MASK; - - WREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0, tmp); -} - -bool amdgpu_ci_is_smc_running(struct amdgpu_device *adev) -{ - u32 clk = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); - u32 pc_c = RREG32_SMC(ixSMC_PC_C); - - if (!(clk & SMC_SYSCON_CLOCK_CNTL_0__ck_disable_MASK) && (0x20100 <= pc_c)) - return true; - - return false; -} - -PPSMC_Result amdgpu_ci_send_msg_to_smc(struct amdgpu_device *adev, PPSMC_Msg msg) -{ - u32 tmp; - int i; - - if (!amdgpu_ci_is_smc_running(adev)) - return PPSMC_Result_Failed; - - WREG32(mmSMC_MESSAGE_0, msg); - - for (i = 0; i < adev->usec_timeout; i++) { - tmp = RREG32(mmSMC_RESP_0); - if (tmp != 0) - break; - udelay(1); - } - tmp = RREG32(mmSMC_RESP_0); - - return (PPSMC_Result)tmp; -} - -PPSMC_Result amdgpu_ci_wait_for_smc_inactive(struct amdgpu_device *adev) -{ - u32 tmp; - int i; - - if (!amdgpu_ci_is_smc_running(adev)) - return PPSMC_Result_OK; - - for (i = 0; i < adev->usec_timeout; i++) { - tmp = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); - if ((tmp & SMC_SYSCON_CLOCK_CNTL_0__cken_MASK) == 0) - break; - udelay(1); - } - - return PPSMC_Result_OK; -} - -int amdgpu_ci_load_smc_ucode(struct amdgpu_device *adev, u32 limit) -{ - const struct smc_firmware_header_v1_0 *hdr; - unsigned long flags; - u32 ucode_start_address; - u32 ucode_size; - const u8 *src; - u32 data; - - if (!adev->pm.fw) - return -EINVAL; - - hdr = (const struct smc_firmware_header_v1_0 *)adev->pm.fw->data; - amdgpu_ucode_print_smc_hdr(&hdr->header); - - adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version); - ucode_start_address = le32_to_cpu(hdr->ucode_start_addr); - ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); - src = (const u8 *) - (adev->pm.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); - - if (ucode_size & 3) - return -EINVAL; - - spin_lock_irqsave(&adev->smc_idx_lock, flags); - WREG32(mmSMC_IND_INDEX_0, ucode_start_address); - WREG32_P(mmSMC_IND_ACCESS_CNTL, SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK, - ~SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK); - while (ucode_size >= 4) { - /* SMC address space is BE */ - data = (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3]; - - WREG32(mmSMC_IND_DATA_0, data); - - src += 4; - ucode_size -= 4; - } - WREG32_P(mmSMC_IND_ACCESS_CNTL, 0, ~SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK); - spin_unlock_irqrestore(&adev->smc_idx_lock, flags); - - return 0; -} - -int amdgpu_ci_read_smc_sram_dword(struct amdgpu_device *adev, - u32 smc_address, u32 *value, u32 limit) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&adev->smc_idx_lock, flags); - ret = ci_set_smc_sram_address(adev, smc_address, limit); - if (ret == 0) - *value = RREG32(mmSMC_IND_DATA_0); - spin_unlock_irqrestore(&adev->smc_idx_lock, flags); - - return ret; -} - -int amdgpu_ci_write_smc_sram_dword(struct amdgpu_device *adev, - u32 smc_address, u32 value, u32 limit) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&adev->smc_idx_lock, flags); - ret = ci_set_smc_sram_address(adev, smc_address, limit); - if (ret == 0) - WREG32(mmSMC_IND_DATA_0, value); - spin_unlock_irqrestore(&adev->smc_idx_lock, flags); - - return ret; -} |