1 /**
2
3 AudioScience HPI driver
4 Copyright (C) 1997-2011 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
23 /* a function that takes an adapter obj and returns an int */
24 typedef int adapter_int_func(struct hpi_adapter_obj *pao);
25
26 struct hpi_adapter_obj {
27 struct hpi_pci pci; /* PCI info - bus#,dev#,address etc */
28 u16 type; /* 0x6644 == ASI6644 etc */
29 u16 index;
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 {
39 /** indicates whether the structures are initialized */
40 u16 init;
41 u16 adap_idx;
42 u32 control_count;
43 u32 cache_size_in_bytes;
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;
48 };
49
50 struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
51
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
59 number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer);
60 void hpi_free_control_cache(struct hpi_control_cache *p_cache);
61
62 void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC,
63 struct hpi_message *phm, struct hpi_response *phr);
64
65 u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
66
67 hpi_handler_func HPI_COMMON;
68
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.