1/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
2/* Copyright(c) 2014 - 2020 Intel Corporation */
3#ifndef ADF_TRANSPORT_INTRN_H
4#define ADF_TRANSPORT_INTRN_H
5
6#include <linux/interrupt.h>
7#include <linux/spinlock_types.h>
8#include "adf_transport.h"
9
10struct adf_etr_ring_debug_entry {
11	char ring_name[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
12	struct dentry *debug;
13};
14
15struct adf_etr_ring_data {
16	void *base_addr;
17	atomic_t *inflights;
18	adf_callback_fn callback;
19	struct adf_etr_bank_data *bank;
20	dma_addr_t dma_addr;
21	struct adf_etr_ring_debug_entry *ring_debug;
22	spinlock_t lock;	/* protects ring data struct */
23	u16 head;
24	u16 tail;
25	u32 threshold;
26	u8 ring_number;
27	u8 ring_size;
28	u8 msg_size;
29};
30
31struct adf_etr_bank_data {
32	struct adf_etr_ring_data *rings;
33	struct tasklet_struct resp_handler;
34	void __iomem *csr_addr;
35	u32 irq_coalesc_timer;
36	u32 bank_number;
37	u16 ring_mask;
38	u16 irq_mask;
39	spinlock_t lock;	/* protects bank data struct */
40	struct adf_accel_dev *accel_dev;
41	struct dentry *bank_debug_dir;
42	struct dentry *bank_debug_cfg;
43};
44
45struct adf_etr_data {
46	struct adf_etr_bank_data *banks;
47	struct dentry *debug;
48};
49
50void adf_response_handler(uintptr_t bank_addr);
51#ifdef CONFIG_DEBUG_FS
52#include <linux/debugfs.h>
53int adf_bank_debugfs_add(struct adf_etr_bank_data *bank);
54void adf_bank_debugfs_rm(struct adf_etr_bank_data *bank);
55int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name);
56void adf_ring_debugfs_rm(struct adf_etr_ring_data *ring);
57#else
58static inline int adf_bank_debugfs_add(struct adf_etr_bank_data *bank)
59{
60	return 0;
61}
62
63#define adf_bank_debugfs_rm(bank) do {} while (0)
64
65static inline int adf_ring_debugfs_add(struct adf_etr_ring_data *ring,
66				       const char *name)
67{
68	return 0;
69}
70
71#define adf_ring_debugfs_rm(ring) do {} while (0)
72#endif
73#endif
74