diff options
Diffstat (limited to 'sound/pci/asihpi/hpi6000.h')
| -rw-r--r-- | sound/pci/asihpi/hpi6000.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpi6000.h b/sound/pci/asihpi/hpi6000.h new file mode 100644 index 000000000..4a5256a6e --- /dev/null +++ b/sound/pci/asihpi/hpi6000.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/***************************************************************************** + + AudioScience HPI driver + Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> + + +Public declarations for DSP Proramming Interface to TI C6701 + +Shared between hpi6000.c and DSP code + +(C) Copyright AudioScience Inc. 1998-2003 +******************************************************************************/ + +#ifndef _HPI6000_H_ +#define _HPI6000_H_ + +#define HPI_NMIXER_CONTROLS 200 + +/* + * Control caching is always supported in the HPI code. + * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0 + * during boot to make it in-active. + */ +struct hpi_hif_6000 { + u32 host_cmd; + u32 dsp_ack; + u32 address; + u32 length; + u32 message_buffer_address; + u32 response_buffer_address; + u32 dsp_number; + u32 adapter_info; + u32 control_cache_is_dirty; + u32 control_cache_address; + u32 control_cache_size_in_bytes; + u32 control_cache_count; +}; + +#define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \ + ((adapter << 16) | (version_major << 8) | version_minor) +#define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \ + ((adapterinfo >> 16) & 0xffff) +#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \ + ((adapterinfo >> 8) & 0xff) +#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \ + (adapterinfo & 0xff) + +/* Command/status exchanged between host and DSP */ +#define HPI_HIF_IDLE 0 +#define HPI_HIF_SEND_MSG 1 +#define HPI_HIF_GET_RESP 2 +#define HPI_HIF_DATA_MASK 0x10 +#define HPI_HIF_SEND_DATA 0x13 +#define HPI_HIF_GET_DATA 0x14 +#define HPI_HIF_SEND_DONE 5 +#define HPI_HIF_RESET 9 + +#endif /* _HPI6000_H_ */ |