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719f82d3 EB |
1 | /** |
2 | ||
3 | AudioScience HPI driver | |
40818b62 | 4 | Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> |
719f82d3 EB |
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 | ||
7036b92d EB |
21 | struct hpi_adapter_obj; |
22 | ||
23 | /* a function that takes an adapter obj and returns an int */ | |
24 | typedef int adapter_int_func(struct hpi_adapter_obj *pao); | |
25 | ||
719f82d3 EB |
26 | struct hpi_adapter_obj { |
27 | struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */ | |
7036b92d EB |
28 | u16 type; /* 0x6644 == ASI6644 etc */ |
29 | u16 index; | |
719f82d3 EB |
30 | |
31 | struct hpios_spinlock dsp_lock; | |
32 | ||
33 | u16 dsp_crashed; | |
34 | u16 has_control_cache; | |
35 | void *priv; | |
36 | }; | |
37 | ||
38 | struct hpi_control_cache { | |
4704998e EB |
39 | /** indicates whether the structures are initialized */ |
40 | u16 init; | |
ffdb5787 | 41 | u16 adap_idx; |
719f82d3 EB |
42 | u32 control_count; |
43 | u32 cache_size_in_bytes; | |
4704998e EB |
44 | /** pointer to allocated memory of lookup pointers. */ |
45 | struct hpi_control_cache_info **p_info; | |
46 | /** pointer to DSP's control cache. */ | |
47 | u8 *p_cache; | |
719f82d3 EB |
48 | }; |
49 | ||
50 | struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index); | |
1d595d2a | 51 | |
719f82d3 EB |
52 | u16 hpi_add_adapter(struct hpi_adapter_obj *pao); |
53 | ||
54 | void hpi_delete_adapter(struct hpi_adapter_obj *pao); | |
55 | ||
56 | short hpi_check_control_cache(struct hpi_control_cache *pC, | |
57 | struct hpi_message *phm, struct hpi_response *phr); | |
58 | struct hpi_control_cache *hpi_alloc_control_cache(const u32 | |
3285ea10 | 59 | number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer); |
719f82d3 EB |
60 | void hpi_free_control_cache(struct hpi_control_cache *p_cache); |
61 | ||
3285ea10 | 62 | void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC, |
719f82d3 | 63 | struct hpi_message *phm, struct hpi_response *phr); |
4704998e | 64 | |
719f82d3 | 65 | u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr); |
42258dab EB |
66 | |
67 | hpi_handler_func HPI_COMMON; |