From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/acp/Kconfig | 17 ++++++++++ drivers/gpu/drm/amd/acp/Makefile | 27 +++++++++++++++ drivers/gpu/drm/amd/acp/acp_hw.c | 50 ++++++++++++++++++++++++++++ drivers/gpu/drm/amd/acp/include/acp_gfx_if.h | 33 ++++++++++++++++++ 4 files changed, 127 insertions(+) create mode 100644 drivers/gpu/drm/amd/acp/Kconfig create mode 100644 drivers/gpu/drm/amd/acp/Makefile create mode 100644 drivers/gpu/drm/amd/acp/acp_hw.c create mode 100644 drivers/gpu/drm/amd/acp/include/acp_gfx_if.h (limited to 'drivers/gpu/drm/amd/acp') diff --git a/drivers/gpu/drm/amd/acp/Kconfig b/drivers/gpu/drm/amd/acp/Kconfig new file mode 100644 index 000000000..216d932a7 --- /dev/null +++ b/drivers/gpu/drm/amd/acp/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: MIT +menu "ACP (Audio CoProcessor) Configuration" + depends on DRM_AMDGPU + +config DRM_AMD_ACP + bool "Enable AMD Audio CoProcessor IP support" + depends on DRM_AMDGPU + select MFD_CORE + select PM_GENERIC_DOMAINS if PM + help + Choose this option to enable ACP IP support for AMD SOCs. + This adds the ACP (Audio CoProcessor) IP driver and wires + it up into the amdgpu driver. The ACP block provides the DMA + engine for the i2s-based ALSA driver. It is required for audio + on APUs which utilize an i2s codec. + +endmenu diff --git a/drivers/gpu/drm/amd/acp/Makefile b/drivers/gpu/drm/amd/acp/Makefile new file mode 100644 index 000000000..d4176a3fb --- /dev/null +++ b/drivers/gpu/drm/amd/acp/Makefile @@ -0,0 +1,27 @@ +# +# Copyright 2017 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. +# +# +# Makefile for the ACP, which is a sub-component +# of AMDSOC/AMDGPU drm driver. +# It provides the HW control for ACP related functionalities. + +AMD_ACP_FILES := $(AMDACPPATH)/acp_hw.o diff --git a/drivers/gpu/drm/amd/acp/acp_hw.c b/drivers/gpu/drm/amd/acp/acp_hw.c new file mode 100644 index 000000000..c7d7205c9 --- /dev/null +++ b/drivers/gpu/drm/amd/acp/acp_hw.c @@ -0,0 +1,50 @@ +/* + * Copyright 2015 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 +#include +#include +#include +#include + +#include "acp_gfx_if.h" + +#define ACP_MODE_I2S 0 +#define ACP_MODE_AZ 1 + +#define mmACP_AZALIA_I2S_SELECT 0x51d4 + +int amd_acp_hw_init(struct cgs_device *cgs_device, + unsigned acp_version_major, unsigned acp_version_minor) +{ + unsigned int acp_mode = ACP_MODE_I2S; + + if ((acp_version_major == 2) && (acp_version_minor == 2)) + acp_mode = cgs_read_register(cgs_device, + mmACP_AZALIA_I2S_SELECT); + + if (acp_mode != ACP_MODE_I2S) + return -ENODEV; + + return 0; +} diff --git a/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h b/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h new file mode 100644 index 000000000..feab8eb7f --- /dev/null +++ b/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h @@ -0,0 +1,33 @@ +/* + * Copyright 2015 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 _ACP_GFX_IF_H +#define _ACP_GFX_IF_H + +#include +#include "cgs_common.h" + +int amd_acp_hw_init(struct cgs_device *cgs_device, + unsigned acp_version_major, unsigned acp_version_minor); + +#endif /* _ACP_GFX_IF_H */ -- cgit v1.2.3