diff options
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r-- | drivers/gpu/drm/amd/acp/Kconfig | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/acp/Makefile | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/acp/acp_hw.c | 50 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/acp/include/acp_gfx_if.h | 34 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/Makefile | 13 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 298 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h | 41 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vi.c | 12 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 1 |
10 files changed, 478 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/acp/Kconfig b/drivers/gpu/drm/amd/acp/Kconfig new file mode 100644 index 000000000000..28b5e70b502f --- /dev/null +++ b/drivers/gpu/drm/amd/acp/Kconfig @@ -0,0 +1,10 @@ +menu "ACP Configuration" + +config DRM_AMD_ACP + bool "Enable ACP IP support" + default y + select MFD_CORE + help + Choose this option to enable ACP IP support for AMD SOCs. + +endmenu diff --git a/drivers/gpu/drm/amd/acp/Makefile b/drivers/gpu/drm/amd/acp/Makefile new file mode 100644 index 000000000000..8363cb57915b --- /dev/null +++ b/drivers/gpu/drm/amd/acp/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the ACP, which is a sub-component +# of AMDSOC/AMDGPU drm driver. +# It provides the HW control for ACP related functionalities. + +subdir-ccflags-y += -I$(AMDACPPATH)/ -I$(AMDACPPATH)/include + +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 000000000000..7af83f142b4b --- /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 <linux/mm.h> +#include <linux/slab.h> +#include <linux/device.h> +#include <linux/delay.h> +#include <linux/errno.h> + +#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(void *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 000000000000..bccf47b63899 --- /dev/null +++ b/drivers/gpu/drm/amd/acp/include/acp_gfx_if.h @@ -0,0 +1,34 @@ +/* + * 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 <linux/types.h> +#include "cgs_linux.h" +#include "cgs_common.h" + +int amd_acp_hw_init(void *cgs_device, + unsigned acp_version_major, unsigned acp_version_minor); + +#endif /* _ACP_GFX_IF_H */ diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 7e4568ee8c6d..dceebbbf94b0 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -8,7 +8,8 @@ ccflags-y := -Iinclude/drm -I$(FULL_AMD_PATH)/include/asic_reg \ -I$(FULL_AMD_PATH)/include \ -I$(FULL_AMD_PATH)/amdgpu \ -I$(FULL_AMD_PATH)/scheduler \ - -I$(FULL_AMD_PATH)/powerplay/inc + -I$(FULL_AMD_PATH)/powerplay/inc \ + -I$(FULL_AMD_PATH)/acp/include amdgpu-y := amdgpu_drv.o @@ -94,6 +95,16 @@ amdgpu-y += \ ../scheduler/sched_fence.o \ amdgpu_sched.o +# ACP componet +ifneq ($(CONFIG_DRM_AMD_ACP),) +amdgpu-y += amdgpu_acp.o + +AMDACPPATH := ../acp +include $(FULL_AMD_PATH)/acp/Makefile + +amdgpu-y += $(AMD_ACP_FILES) +endif + amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 1529e0aecb83..2309c8b88ae7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -53,6 +53,7 @@ #include "amdgpu_ucode.h" #include "amdgpu_gds.h" #include "amd_powerplay.h" +#include "amdgpu_acp.h" #include "gpu_scheduler.h" @@ -1891,6 +1892,13 @@ void amdgpu_cgs_destroy_device(void *cgs_device); /* + * CGS + */ +void *amdgpu_cgs_create_device(struct amdgpu_device *adev); +void amdgpu_cgs_destroy_device(void *cgs_device); + + +/* * Core structure, functions and helpers. */ typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t); @@ -1910,6 +1918,10 @@ struct amdgpu_device { struct drm_device *ddev; struct pci_dev *pdev; +#ifdef CONFIG_DRM_AMD_ACP + struct amdgpu_acp acp; +#endif + /* ASIC */ enum amd_asic_type asic_type; uint32_t family; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c new file mode 100644 index 000000000000..71f26e93ef58 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -0,0 +1,298 @@ +/* + * 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. + * + * Authors: AMD + * + */ + +#include <linux/irqdomain.h> +#include <linux/platform_device.h> +#include <sound/designware_i2s.h> +#include <sound/pcm.h> + +#include "amdgpu.h" +#include "atom.h" +#include "amdgpu_acp.h" + +#include "acp_gfx_if.h" + +#define ACP_TILE_ON_MASK 0x03 +#define ACP_TILE_OFF_MASK 0x02 +#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f +#define ACP_TILE_OFF_RETAIN_REG_MASK 0x20 + +#define ACP_TILE_P1_MASK 0x3e +#define ACP_TILE_P2_MASK 0x3d +#define ACP_TILE_DSP0_MASK 0x3b +#define ACP_TILE_DSP1_MASK 0x37 + +#define ACP_TILE_DSP2_MASK 0x2f + +#define ACP_DMA_REGS_END 0x146c0 +#define ACP_I2S_PLAY_REGS_START 0x14840 +#define ACP_I2S_PLAY_REGS_END 0x148b4 +#define ACP_I2S_CAP_REGS_START 0x148b8 +#define ACP_I2S_CAP_REGS_END 0x1496c + +#define ACP_I2S_COMP1_CAP_REG_OFFSET 0xac +#define ACP_I2S_COMP2_CAP_REG_OFFSET 0xa8 +#define ACP_I2S_COMP1_PLAY_REG_OFFSET 0x6c +#define ACP_I2S_COMP2_PLAY_REG_OFFSET 0x68 + +#define mmACP_PGFSM_RETAIN_REG 0x51c9 +#define mmACP_PGFSM_CONFIG_REG 0x51ca +#define mmACP_PGFSM_READ_REG_0 0x51cc + +#define mmACP_MEM_SHUT_DOWN_REQ_LO 0x51f8 +#define mmACP_MEM_SHUT_DOWN_REQ_HI 0x51f9 +#define mmACP_MEM_SHUT_DOWN_STS_LO 0x51fa +#define mmACP_MEM_SHUT_DOWN_STS_HI 0x51fb + +#define ACP_TIMEOUT_LOOP 0x000000FF +#define ACP_DEVS 3 +#define ACP_SRC_ID 162 + +enum { + ACP_TILE_P1 = 0, + ACP_TILE_P2, + ACP_TILE_DSP0, + ACP_TILE_DSP1, + ACP_TILE_DSP2, +}; + +static int acp_sw_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->acp.parent = adev->dev; + + adev->acp.cgs_device = + amdgpu_cgs_create_device(adev); + if (!adev->acp.cgs_device) + return -EINVAL; + + return 0; +} + +static int acp_sw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (adev->acp.cgs_device) + amdgpu_cgs_destroy_device(adev->acp.cgs_device); + + return 0; +} + +/** + * acp_hw_init - start and test ACP block + * + * @adev: amdgpu_device pointer + * + */ +static int acp_hw_init(void *handle) +{ + int r; + uint64_t acp_base; + struct i2s_platform_data *i2s_pdata; + + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + const struct amdgpu_ip_block_version *ip_version = + amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_ACP); + + if (!ip_version) + return -EINVAL; + + r = amd_acp_hw_init(adev->acp.cgs_device, + ip_version->major, ip_version->minor); + /* -ENODEV means board uses AZ rather than ACP */ + if (r == -ENODEV) + return 0; + else if (r) + return r; + + r = cgs_get_pci_resource(adev->acp.cgs_device, CGS_RESOURCE_TYPE_MMIO, + 0x5289, 0, &acp_base); + if (r == -ENODEV) + return 0; + else if (r) + return r; + + adev->acp.acp_cell = kzalloc(sizeof(struct mfd_cell) * ACP_DEVS, + GFP_KERNEL); + + if (adev->acp.acp_cell == NULL) + return -ENOMEM; + + adev->acp.acp_res = kzalloc(sizeof(struct resource) * 4, GFP_KERNEL); + + if (adev->acp.acp_res == NULL) { + kfree(adev->acp.acp_cell); + return -ENOMEM; + } + + i2s_pdata = kzalloc(sizeof(struct i2s_platform_data) * 2, GFP_KERNEL); + if (i2s_pdata == NULL) { + kfree(adev->acp.acp_res); + kfree(adev->acp.acp_cell); + return -ENOMEM; + } + + i2s_pdata[0].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET; + i2s_pdata[0].cap = DWC_I2S_PLAY; + i2s_pdata[0].snd_rates = SNDRV_PCM_RATE_8000_96000; + i2s_pdata[0].i2s_reg_comp1 = ACP_I2S_COMP1_PLAY_REG_OFFSET; + i2s_pdata[0].i2s_reg_comp2 = ACP_I2S_COMP2_PLAY_REG_OFFSET; + + i2s_pdata[1].quirks = DW_I2S_QUIRK_COMP_REG_OFFSET | + DW_I2S_QUIRK_COMP_PARAM1; + i2s_pdata[1].cap = DWC_I2S_RECORD; + i2s_pdata[1].snd_rates = SNDRV_PCM_RATE_8000_96000; + i2s_pdata[1].i2s_reg_comp1 = ACP_I2S_COMP1_CAP_REG_OFFSET; + i2s_pdata[1].i2s_reg_comp2 = ACP_I2S_COMP2_CAP_REG_OFFSET; + + adev->acp.acp_res[0].name = "acp2x_dma"; + adev->acp.acp_res[0].flags = IORESOURCE_MEM; + adev->acp.acp_res[0].start = acp_base; + adev->acp.acp_res[0].end = acp_base + ACP_DMA_REGS_END; + + adev->acp.acp_res[1].name = "acp2x_dw_i2s_play"; + adev->acp.acp_res[1].flags = IORESOURCE_MEM; + adev->acp.acp_res[1].start = acp_base + ACP_I2S_PLAY_REGS_START; + adev->acp.acp_res[1].end = acp_base + ACP_I2S_PLAY_REGS_END; + + adev->acp.acp_res[2].name = "acp2x_dw_i2s_cap"; + adev->acp.acp_res[2].flags = IORESOURCE_MEM; + adev->acp.acp_res[2].start = acp_base + ACP_I2S_CAP_REGS_START; + adev->acp.acp_res[2].end = acp_base + ACP_I2S_CAP_REGS_END; + + adev->acp.acp_res[3].name = "acp2x_dma_irq"; + adev->acp.acp_res[3].flags = IORESOURCE_IRQ; + adev->acp.acp_res[3].start = amdgpu_irq_create_mapping(adev, 162); + adev->acp.acp_res[3].end = adev->acp.acp_res[3].start; + + adev->acp.acp_cell[0].name = "acp_audio_dma"; + adev->acp.acp_cell[0].num_resources = 4; + adev->acp.acp_cell[0].resources = &adev->acp.acp_res[0]; + + adev->acp.acp_cell[1].name = "designware-i2s"; + adev->acp.acp_cell[1].num_resources = 1; + adev->acp.acp_cell[1].resources = &adev->acp.acp_res[1]; + adev->acp.acp_cell[1].platform_data = &i2s_pdata[0]; + adev->acp.acp_cell[1].pdata_size = sizeof(struct i2s_platform_data); + + adev->acp.acp_cell[2].name = "designware-i2s"; + adev->acp.acp_cell[2].num_resources = 1; + adev->acp.acp_cell[2].resources = &adev->acp.acp_res[2]; + adev->acp.acp_cell[2].platform_data = &i2s_pdata[1]; + adev->acp.acp_cell[2].pdata_size = sizeof(struct i2s_platform_data); + + r = mfd_add_hotplug_devices(adev->acp.parent, adev->acp.acp_cell, + ACP_DEVS); + if (r) + return r; + + return 0; +} + +/** + * acp_hw_fini - stop the hardware block + * + * @adev: amdgpu_device pointer + * + */ +static int acp_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + mfd_remove_devices(adev->acp.parent); + kfree(adev->acp.acp_res); + kfree(adev->acp.acp_cell); + + return 0; +} + +static int acp_suspend(void *handle) +{ + return 0; +} + +static int acp_resume(void *handle) +{ + return 0; +} + +static int acp_early_init(void *handle) +{ + return 0; +} + +static bool acp_is_idle(void *handle) +{ + return true; +} + +static int acp_wait_for_idle(void *handle) +{ + return 0; +} + +static int acp_soft_reset(void *handle) +{ + return 0; +} + +static void acp_print_status(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + dev_info(adev->dev, "ACP STATUS\n"); +} + +static int acp_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + return 0; +} + +static int acp_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +const struct amd_ip_funcs acp_ip_funcs = { + .early_init = acp_early_init, + .late_init = NULL, + .sw_init = acp_sw_init, + .sw_fini = acp_sw_fini, + .hw_init = acp_hw_init, + .hw_fini = acp_hw_fini, + .suspend = acp_suspend, + .resume = acp_resume, + .is_idle = acp_is_idle, + .wait_for_idle = acp_wait_for_idle, + .soft_reset = acp_soft_reset, + .print_status = acp_print_status, + .set_clockgating_state = acp_set_clockgating_state, + .set_powergating_state = acp_set_powergating_state, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h new file mode 100644 index 000000000000..24952ed8209e --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.h @@ -0,0 +1,41 @@ +/* + * 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. + * + * Authors: AMD + * + */ + +#ifndef __AMDGPU_ACP_H__ +#define __AMDGPU_ACP_H__ + +#include <linux/mfd/core.h> + +struct amdgpu_acp { + struct device *parent; + void *cgs_device; + struct amd_acp_private *private; + struct mfd_cell *acp_cell; + struct resource *acp_res; +}; + +extern const struct amd_ip_funcs acp_ip_funcs; + +#endif /* __AMDGPU_ACP_H__ */ diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 09a25a413db7..125003517544 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -74,6 +74,9 @@ #include "uvd_v6_0.h" #include "vce_v3_0.h" #include "amdgpu_powerplay.h" +#if defined(CONFIG_DRM_AMD_ACP) +#include "amdgpu_acp.h" +#endif /* * Indirect registers accessor @@ -970,6 +973,15 @@ static const struct amdgpu_ip_block_version cz_ip_blocks[] = .rev = 0, .funcs = &vce_v3_0_ip_funcs, }, +#if defined(CONFIG_DRM_AMD_ACP) + { + .type = AMD_IP_BLOCK_TYPE_ACP, + .major = 2, + .minor = 2, + .rev = 0, + .funcs = &acp_ip_funcs, + }, +#endif }; int vi_set_ip_blocks(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 1195d06f55bc..15ff8b2c26e7 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -73,6 +73,7 @@ enum amd_ip_block_type { AMD_IP_BLOCK_TYPE_SDMA, AMD_IP_BLOCK_TYPE_UVD, AMD_IP_BLOCK_TYPE_VCE, + AMD_IP_BLOCK_TYPE_ACP, }; enum amd_clockgating_state { |