1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Intel Smart Sound Technology |
4 | * |
5 | * Copyright (C) 2013, Intel Corporation. All rights reserved. |
6 | */ |
7 | |
8 | #ifndef __SOUND_SOC_SST_DSP_PRIV_H |
9 | #define __SOUND_SOC_SST_DSP_PRIV_H |
10 | |
11 | #include <linux/kernel.h> |
12 | #include <linux/types.h> |
13 | #include <linux/interrupt.h> |
14 | #include <linux/firmware.h> |
15 | |
16 | #include "../skylake/skl-sst-dsp.h" |
17 | |
18 | /* |
19 | * DSP Operations exported by platform Audio DSP driver. |
20 | */ |
21 | struct sst_ops { |
22 | /* Shim IO */ |
23 | void (*write)(void __iomem *addr, u32 offset, u32 value); |
24 | u32 (*read)(void __iomem *addr, u32 offset); |
25 | |
26 | /* IRQ handlers */ |
27 | irqreturn_t (*irq_handler)(int irq, void *context); |
28 | |
29 | /* SST init and free */ |
30 | int (*init)(struct sst_dsp *sst); |
31 | void (*free)(struct sst_dsp *sst); |
32 | }; |
33 | |
34 | /* |
35 | * Audio DSP memory offsets and addresses. |
36 | */ |
37 | struct sst_addr { |
38 | u32 sram0_base; |
39 | u32 sram1_base; |
40 | u32 w0_stat_sz; |
41 | u32 w0_up_sz; |
42 | void __iomem *lpe; |
43 | void __iomem *shim; |
44 | }; |
45 | |
46 | /* |
47 | * Audio DSP Mailbox configuration. |
48 | */ |
49 | struct sst_mailbox { |
50 | void __iomem *in_base; |
51 | void __iomem *out_base; |
52 | size_t in_size; |
53 | size_t out_size; |
54 | }; |
55 | |
56 | /* |
57 | * Generic SST Shim Interface. |
58 | */ |
59 | struct sst_dsp { |
60 | |
61 | /* Shared for all platforms */ |
62 | |
63 | /* runtime */ |
64 | struct sst_dsp_device *sst_dev; |
65 | spinlock_t spinlock; /* IPC locking */ |
66 | struct mutex mutex; /* DSP FW lock */ |
67 | struct device *dev; |
68 | void *thread_context; |
69 | int irq; |
70 | u32 id; |
71 | |
72 | /* operations */ |
73 | struct sst_ops *ops; |
74 | |
75 | /* debug FS */ |
76 | struct dentry *debugfs_root; |
77 | |
78 | /* base addresses */ |
79 | struct sst_addr addr; |
80 | |
81 | /* mailbox */ |
82 | struct sst_mailbox mailbox; |
83 | |
84 | /* SST FW files loaded and their modules */ |
85 | struct list_head module_list; |
86 | |
87 | /* SKL data */ |
88 | |
89 | const char *fw_name; |
90 | |
91 | /* To allocate CL dma buffers */ |
92 | struct skl_dsp_loader_ops dsp_ops; |
93 | struct skl_dsp_fw_ops fw_ops; |
94 | int sst_state; |
95 | struct skl_cl_dev cl_dev; |
96 | u32 intr_status; |
97 | const struct firmware *fw; |
98 | struct snd_dma_buffer dmab; |
99 | }; |
100 | |
101 | #endif |
102 | |