Linux Audio
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Embedded Linux Audio
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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ /* Copyright(c) 2014 - 2020 Intel Corporation */ #ifndef ADF_TRANSPORT_INTRN_H #define ADF_TRANSPORT_INTRN_H #include <linux/interrupt.h> #include <linux/spinlock_types.h> #include "adf_transport.h" struct adf_etr_ring_debug_entry { char ring_name[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; struct dentry *debug; }; struct adf_etr_ring_data { void *base_addr; atomic_t *inflights; adf_callback_fn callback; struct adf_etr_bank_data *bank; dma_addr_t dma_addr; struct adf_etr_ring_debug_entry *ring_debug; spinlock_t lock; /* protects ring data struct */ u16 head; u16 tail; u32 threshold; u8 ring_number; u8 ring_size; u8 msg_size; }; struct adf_etr_bank_data { struct adf_etr_ring_data *rings; struct tasklet_struct resp_handler; void __iomem *csr_addr; u32 irq_coalesc_timer; u32 bank_number; u16 ring_mask; u16 irq_mask; spinlock_t lock; /* protects bank data struct */ struct adf_accel_dev *accel_dev; struct dentry *bank_debug_dir; struct dentry *bank_debug_cfg; }; struct adf_etr_data { struct adf_etr_bank_data *banks; struct dentry *debug; }; void adf_response_handler(uintptr_t bank_addr); #ifdef CONFIG_DEBUG_FS #include <linux/debugfs.h> int adf_bank_debugfs_add(struct adf_etr_bank_data *bank); void adf_bank_debugfs_rm(struct adf_etr_bank_data *bank); int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name); void adf_ring_debugfs_rm(struct adf_etr_ring_data *ring); #else static inline int adf_bank_debugfs_add(struct adf_etr_bank_data *bank) { return 0; } #define adf_bank_debugfs_rm(bank) do {} while (0) static inline int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name) { return 0; } #define adf_ring_debugfs_rm(ring) do {} while (0) #endif #endif