1/** 2 3 AudioScience HPI driver 4 Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of version 2 of the GNU General Public License as 8 published by the Free Software Foundation; 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19*/ 20 21struct hpi_adapter_obj { 22 struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ 23 u16 adapter_type; /* ASI6701 etc */ 24 u16 index; /* */ 25 u16 open; /* =1 when adapter open */ 26 u16 mixer_open; 27 28 struct hpios_spinlock dsp_lock; 29 30 u16 dsp_crashed; 31 u16 has_control_cache; 32 void *priv; 33}; 34 35struct hpi_control_cache { 36 /** indicates whether the structures are initialized */ 37 u16 init; 38 u16 adap_idx; 39 u32 control_count; 40 u32 cache_size_in_bytes; 41 /** pointer to allocated memory of lookup pointers. */ 42 struct hpi_control_cache_info **p_info; 43 /** pointer to DSP's control cache. */ 44 u8 *p_cache; 45}; 46 47struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); 48 49u16 hpi_add_adapter(struct hpi_adapter_obj *pao); 50 51void hpi_delete_adapter(struct hpi_adapter_obj *pao); 52 53short hpi_check_control_cache(struct hpi_control_cache *pC, 54 struct hpi_message *phm, struct hpi_response *phr); 55struct hpi_control_cache *hpi_alloc_control_cache(const u32 56 number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); 57void hpi_free_control_cache(struct hpi_control_cache *p_cache); 58 59void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, 60 struct hpi_message *phm, struct hpi_response *phr); 61 62u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); 63