72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/* 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;
|