From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- sound/soc/intel/common/sst-dsp.h | 61 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 sound/soc/intel/common/sst-dsp.h (limited to 'sound/soc/intel/common/sst-dsp.h') diff --git a/sound/soc/intel/common/sst-dsp.h b/sound/soc/intel/common/sst-dsp.h new file mode 100644 index 0000000000..f111fd3f33 --- /dev/null +++ b/sound/soc/intel/common/sst-dsp.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Intel Smart Sound Technology (SST) Core + * + * Copyright (C) 2013, Intel Corporation. All rights reserved. + */ + +#ifndef __SOUND_SOC_SST_DSP_H +#define __SOUND_SOC_SST_DSP_H + +#include +#include +#include + +struct sst_dsp; + +/* + * SST Device. + * + * This structure is populated by the SST core driver. + */ +struct sst_dsp_device { + /* Mandatory fields */ + struct sst_ops *ops; + irqreturn_t (*thread)(int irq, void *context); + void *thread_context; +}; + +/* SHIM Read / Write */ +void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value); +u32 sst_dsp_shim_read(struct sst_dsp *sst, u32 offset); +int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); +void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); + +/* SHIM Read / Write Unlocked for callers already holding sst lock */ +void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value); +u32 sst_dsp_shim_read_unlocked(struct sst_dsp *sst, u32 offset); +int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); +void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); + +/* Internal generic low-level SST IO functions - can be overidden */ +void sst_shim32_write(void __iomem *addr, u32 offset, u32 value); +u32 sst_shim32_read(void __iomem *addr, u32 offset); +void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value); +u64 sst_shim32_read64(void __iomem *addr, u32 offset); + +/* Mailbox management */ +int sst_dsp_mailbox_init(struct sst_dsp *sst, u32 inbox_offset, + size_t inbox_size, u32 outbox_offset, size_t outbox_size); +void sst_dsp_inbox_write(struct sst_dsp *sst, void *message, size_t bytes); +void sst_dsp_inbox_read(struct sst_dsp *sst, void *message, size_t bytes); +void sst_dsp_outbox_write(struct sst_dsp *sst, void *message, size_t bytes); +void sst_dsp_outbox_read(struct sst_dsp *sst, void *message, size_t bytes); +int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask, + u32 target, u32 time, char *operation); + +#endif -- cgit v1.2.3