diff options
| -rw-r--r-- | sound/soc/intel/avs/Makefile | 4 | ||||
| -rw-r--r-- | sound/soc/intel/avs/avs.h | 29 | ||||
| -rw-r--r-- | sound/soc/intel/avs/debugfs.c | 28 |
3 files changed, 61 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile index 919212825f21..a211a0b7b4a8 100644 --- a/sound/soc/intel/avs/Makefile +++ b/sound/soc/intel/avs/Makefile @@ -9,6 +9,10 @@ snd-soc-avs-objs += trace.o # tell define_trace.h where to find the trace header CFLAGS_trace.o := -I$(src) +ifneq ($(CONFIG_DEBUG_FS),) +snd-soc-avs-objs += debugfs.o +endif + obj-$(CONFIG_SND_SOC_INTEL_AVS) += snd-soc-avs.o # Machine support diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 957151ecf39a..3687d03f87d4 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -9,6 +9,7 @@ #ifndef __SOUND_SOC_INTEL_AVS_H #define __SOUND_SOC_INTEL_AVS_H +#include <linux/debugfs.h> #include <linux/device.h> #include <linux/firmware.h> #include <linux/kfifo.h> @@ -146,6 +147,14 @@ struct avs_dev { struct mutex path_mutex; struct avs_debug dbg; + spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */ +#ifdef CONFIG_DEBUG_FS + struct kfifo trace_fifo; + wait_queue_head_t trace_waitq; + u32 aging_timer_period; + u32 fifo_full_timer_period; + u32 logged_resources; /* context dependent: core or library */ +#endif }; /* from hda_bus to avs_dev */ @@ -366,4 +375,24 @@ struct apl_log_buffer_layout { #define apl_log_payload_addr(addr) \ (addr + sizeof(struct apl_log_buffer_layout)) +#ifdef CONFIG_DEBUG_FS +bool avs_logging_fw(struct avs_dev *adev); +void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len); +void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len); +#else +static inline bool avs_logging_fw(struct avs_dev *adev) +{ + return false; +} + +static inline void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ +} + +static inline void +avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ +} +#endif + #endif /* __SOUND_SOC_INTEL_AVS_H */ diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c new file mode 100644 index 000000000000..ac3889e21542 --- /dev/null +++ b/sound/soc/intel/avs/debugfs.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski <cezary.rojewski@intel.com> +// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> +// + +#include <linux/debugfs.h> +#include <linux/kfifo.h> +#include <linux/wait.h> +#include "avs.h" + +bool avs_logging_fw(struct avs_dev *adev) +{ + return kfifo_initialized(&adev->trace_fifo); +} + +void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ + __kfifo_fromio(&adev->trace_fifo, src, len); +} + +void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ + avs_dump_fw_log(adev, src, len); + wake_up(&adev->trace_waitq); +} |