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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
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/**
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AudioScience HPI driver
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Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation;
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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struct hpi_adapter_obj {
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struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */
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u16 adapter_type; /* ASI6701 etc */
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u16 index; /* */
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u16 open; /* =1 when adapter open */
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u16 mixer_open;
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struct hpios_spinlock dsp_lock;
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u16 dsp_crashed;
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u16 has_control_cache;
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void *priv;
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};
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struct hpi_control_cache {
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u32 init; /**< indicates whether the
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structures are initialized */
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u32 control_count;
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u32 cache_size_in_bytes;
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struct hpi_control_cache_info
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**p_info; /**< pointer to allocated memory of
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lookup pointers. */
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struct hpi_control_cache_single
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*p_cache; /**< pointer to DSP's control cache. */
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};
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struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
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u16 hpi_add_adapter(struct hpi_adapter_obj *pao);
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void hpi_delete_adapter(struct hpi_adapter_obj *pao);
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short hpi_check_control_cache(struct hpi_control_cache *pC,
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struct hpi_message *phm, struct hpi_response *phr);
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struct hpi_control_cache *hpi_alloc_control_cache(const u32
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number_of_controls, const u32 size_in_bytes,
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struct hpi_control_cache_info
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*pDSP_control_buffer);
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void hpi_free_control_cache(struct hpi_control_cache *p_cache);
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void hpi_sync_control_cache(struct hpi_control_cache *pC,
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struct hpi_message *phm, struct hpi_response *phr);
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u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
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short hpi_check_buffer_mapping(struct hpi_control_cache *p_cache,
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struct hpi_message *phm, void **p, unsigned int *pN);
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