68 строки
2.1 KiB
C
68 строки
2.1 KiB
C
/**
|
|
|
|
AudioScience HPI driver
|
|
Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of version 2 of the GNU General Public License as
|
|
published by the Free Software Foundation;
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
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);
|
|
|
|
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;
|
|
};
|
|
|
|
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);
|
|
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);
|
|
|
|
u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
|
|
|
|
hpi_handler_func HPI_COMMON;
|