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-rw-r--r--sound/pci/asihpi/hpicmn.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h
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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 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
47struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
48u16 hpi_add_adapter(struct hpi_adapter_obj *pao);
49
50void hpi_delete_adapter(struct hpi_adapter_obj *pao);
51
52short hpi_check_control_cache(struct hpi_control_cache *pC,
53 struct hpi_message *phm, struct hpi_response *phr);
54struct 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);
58void hpi_free_control_cache(struct hpi_control_cache *p_cache);
59
60void hpi_sync_control_cache(struct hpi_control_cache *pC,
61 struct hpi_message *phm, struct hpi_response *phr);
62u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
63short hpi_check_buffer_mapping(struct hpi_control_cache *p_cache,
64 struct hpi_message *phm, void **p, unsigned int *pN);