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 21 struct 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 35 struct hpi_control_cache { 36 u32 init; /**< indicates whether the 37 structures are initialized */ 38 u32 control_count; 39 u32 cache_size_in_bytes; 40 struct hpi_control_cache_info 41 **p_info; /**< pointer to allocated memory of 42 lookup pointers. */ 43 struct hpi_control_cache_single 44 *p_cache; /**< pointer to DSP's control cache. */ 45 }; 46 47 struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); 48 u16 hpi_add_adapter(struct hpi_adapter_obj *pao); 49 50 void hpi_delete_adapter(struct hpi_adapter_obj *pao); 51 52 short hpi_check_control_cache(struct hpi_control_cache *pC, 53 struct hpi_message *phm, struct hpi_response *phr); 54 struct hpi_control_cache *hpi_alloc_control_cache(const u32 55 number_of_controls, const u32 size_in_bytes, 56 struct hpi_control_cache_info 57 *pDSP_control_buffer); 58 void hpi_free_control_cache(struct hpi_control_cache *p_cache); 59 60 void hpi_sync_control_cache(struct hpi_control_cache *pC, 61 struct hpi_message *phm, struct hpi_response *phr); 62 u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); 63 short hpi_check_buffer_mapping(struct hpi_control_cache *p_cache, 64 struct hpi_message *phm, void **p, unsigned int *pN); 65