hpimsginit.c (f43dc23d5ea91fca257be02138a255f02d98e806) hpimsginit.c (0a1602c02be606b72003104dbf5f0f8293c42588)
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;

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27/* The actual message size for each object type */
28static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = HPI_MESSAGE_SIZE_BY_OBJECT;
29/* The actual response size for each object type */
30static u16 res_size[HPI_OBJ_MAXINDEX + 1] = HPI_RESPONSE_SIZE_BY_OBJECT;
31/* Flag to enable alternate message type for SSX2 bypass. */
32static u16 gwSSX2_bypass;
33
34/** \internal
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;

--- 18 unchanged lines hidden (view full) ---

27/* The actual message size for each object type */
28static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = HPI_MESSAGE_SIZE_BY_OBJECT;
29/* The actual response size for each object type */
30static u16 res_size[HPI_OBJ_MAXINDEX + 1] = HPI_RESPONSE_SIZE_BY_OBJECT;
31/* Flag to enable alternate message type for SSX2 bypass. */
32static u16 gwSSX2_bypass;
33
34/** \internal
35 * Used by ASIO driver to disable SSX2 for a single process
36 * \param phSubSys Pointer to HPI subsystem handle.
37 * \param wBypass New bypass setting 0 = off, nonzero = on
38 * \return Previous bypass setting.
39 */
40u16 hpi_subsys_ssx2_bypass(const struct hpi_hsubsys *ph_subsys, u16 bypass)
41{
42 u16 old_value = gwSSX2_bypass;
43
44 gwSSX2_bypass = bypass;
45
46 return old_value;
47}
48
49/** \internal
50 * initialize the HPI message structure
51 */
52static void hpi_init_message(struct hpi_message *phm, u16 object,
53 u16 function)
54{
55 memset(phm, 0, sizeof(*phm));
56 if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
57 phm->size = msg_size[object];
58 else
59 phm->size = sizeof(*phm);
60
61 if (gwSSX2_bypass)
62 phm->type = HPI_TYPE_SSX2BYPASS_MESSAGE;
63 else
64 phm->type = HPI_TYPE_MESSAGE;
65 phm->object = object;
66 phm->function = function;
67 phm->version = 0;
35 * initialize the HPI message structure
36 */
37static void hpi_init_message(struct hpi_message *phm, u16 object,
38 u16 function)
39{
40 memset(phm, 0, sizeof(*phm));
41 if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
42 phm->size = msg_size[object];
43 else
44 phm->size = sizeof(*phm);
45
46 if (gwSSX2_bypass)
47 phm->type = HPI_TYPE_SSX2BYPASS_MESSAGE;
48 else
49 phm->type = HPI_TYPE_MESSAGE;
50 phm->object = object;
51 phm->function = function;
52 phm->version = 0;
68 /* Expect adapter index to be set by caller */
53 phm->adapter_index = 0xFFFF;
54 /* Expect actual adapter index to be set by caller */
69}
70
71/** \internal
72 * initialize the HPI response structure
73 */
74void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
75 u16 error)
76{

--- 54 unchanged lines hidden --- 		55}
56
57/** \internal
58 * initialize the HPI response structure
59 */
60void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
61 u16 error)
62{

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