Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Intel Smart Sound Technology (SST) Core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (C) 2013, Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef __SOUND_SOC_SST_DSP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define __SOUND_SOC_SST_DSP_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) struct sst_dsp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * SST Device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * This structure is populated by the SST core driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct sst_dsp_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	/* Mandatory fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	struct sst_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	irqreturn_t (*thread)(int irq, void *context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	void *thread_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /* SHIM Read / Write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) u32 sst_dsp_shim_read(struct sst_dsp *sst, u32 offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 				u32 mask, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 				u32 mask, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* SHIM Read / Write Unlocked for callers already holding sst lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) u32 sst_dsp_shim_read_unlocked(struct sst_dsp *sst, u32 offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 				u32 mask, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 				u32 mask, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* Internal generic low-level SST IO functions - can be overidden */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void sst_shim32_write(void __iomem *addr, u32 offset, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u32 sst_shim32_read(void __iomem *addr, u32 offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u64 sst_shim32_read64(void __iomem *addr, u32 offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* Mailbox management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int sst_dsp_mailbox_init(struct sst_dsp *sst, u32 inbox_offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	size_t inbox_size, u32 outbox_offset, size_t outbox_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) void sst_dsp_inbox_write(struct sst_dsp *sst, void *message, size_t bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) void sst_dsp_inbox_read(struct sst_dsp *sst, void *message, size_t bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) void sst_dsp_outbox_write(struct sst_dsp *sst, void *message, size_t bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) void sst_dsp_outbox_read(struct sst_dsp *sst, void *message, size_t bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int sst_dsp_register_poll(struct sst_dsp  *ctx, u32 offset, u32 mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		 u32 target, u32 time, char *operation);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #endif