/* SPDX-License-Identifier: GPL-2.0-only */ /* AudioScience HPI driver Copyright (C) 1997-2014 AudioScience Inc. <support@audioscience.com> */ struct hpi_adapter_obj; /* a function that takes an adapter obj and returns an int */ typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message); #define HPI_IRQ_NONE (0) #define HPI_IRQ_MESSAGE (1) #define HPI_IRQ_MIXER (2) struct hpi_adapter_obj { struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ u16 type; /* 0x6644 == ASI6644 etc */ u16 index; struct hpios_spinlock dsp_lock; u16 dsp_crashed; u16 has_control_cache; void *priv; adapter_int_func *irq_query_and_clear; struct hpi_hostbuffer_status *instream_host_buffer_status; struct hpi_hostbuffer_status *outstream_host_buffer_status; }; struct hpi_control_cache { /** indicates whether the structures are initialized */ u16 init; u16 adap_idx; u32 control_count; u32 cache_size_in_bytes; /** pointer to allocated memory of lookup pointers. */ struct hpi_control_cache_info **p_info; /** pointer to DSP's control cache. */ u8 *p_cache; }; struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); u16 hpi_add_adapter(struct hpi_adapter_obj *pao); void hpi_delete_adapter(struct hpi_adapter_obj *pao); short hpi_check_control_cache(struct hpi_control_cache *pC, struct hpi_message *phm, struct hpi_response *phr); short hpi_check_control_cache_single(struct hpi_control_cache_single *pC, struct hpi_message *phm, struct hpi_response *phr); struct hpi_control_cache *hpi_alloc_control_cache(const u32 number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); void hpi_free_control_cache(struct hpi_control_cache *p_cache); void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, struct hpi_message *phm, struct hpi_response *phr); void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single *pC, struct hpi_message *phm, struct hpi_response *phr); u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); hpi_handler_func HPI_COMMON;