1 //<MStar Software>
2 //******************************************************************************
3 // MStar Software
4 // Copyright (c) 2010 - 2012 MStar Semiconductor, Inc. All rights reserved.
5 // All software, firmware and related documentation herein ("MStar Software") are
6 // intellectual property of MStar Semiconductor, Inc. ("MStar") and protected by
7 // law, including, but not limited to, copyright law and international treaties.
8 // Any use, modification, reproduction, retransmission, or republication of all
9 // or part of MStar Software is expressly prohibited, unless prior written
10 // permission has been granted by MStar.
11 //
12 // By accessing, browsing and/or using MStar Software, you acknowledge that you
13 // have read, understood, and agree, to be bound by below terms ("Terms") and to
14 // comply with all applicable laws and regulations:
15 //
16 // 1. MStar shall retain any and all right, ownership and interest to MStar
17 // Software and any modification/derivatives thereof.
18 // No right, ownership, or interest to MStar Software and any
19 // modification/derivatives thereof is transferred to you under Terms.
20 //
21 // 2. You understand that MStar Software might include, incorporate or be
22 // supplied together with third party`s software and the use of MStar
23 // Software may require additional licenses from third parties.
24 // Therefore, you hereby agree it is your sole responsibility to separately
25 // obtain any and all third party right and license necessary for your use of
26 // such third party`s software.
27 //
28 // 3. MStar Software and any modification/derivatives thereof shall be deemed as
29 // MStar`s confidential information and you agree to keep MStar`s
30 // confidential information in strictest confidence and not disclose to any
31 // third party.
32 //
33 // 4. MStar Software is provided on an "AS IS" basis without warranties of any
34 // kind. Any warranties are hereby expressly disclaimed by MStar, including
35 // without limitation, any warranties of merchantability, non-infringement of
36 // intellectual property rights, fitness for a particular purpose, error free
37 // and in conformity with any international standard. You agree to waive any
38 // claim against MStar for any loss, damage, cost or expense that you may
39 // incur related to your use of MStar Software.
40 // In no event shall MStar be liable for any direct, indirect, incidental or
41 // consequential damages, including without limitation, lost of profit or
42 // revenues, lost or damage of data, and unauthorized system use.
43 // You agree that this Section 4 shall still apply without being affected
44 // even if MStar Software has been modified by MStar in accordance with your
45 // request or instruction for your use, except otherwise agreed by both
46 // parties in writing.
47 //
48 // 5. If requested, MStar may from time to time provide technical supports or
49 // services in relation with MStar Software to you for your use of
50 // MStar Software in conjunction with your or your customer`s product
51 // ("Services").
52 // You understand and agree that, except otherwise agreed by both parties in
53 // writing, Services are provided on an "AS IS" basis and the warranty
54 // disclaimer set forth in Section 4 above shall apply.
55 //
56 // 6. Nothing contained herein shall be construed as by implication, estoppels
57 // or otherwise:
58 // (a) conferring any license or right to use MStar name, trademark, service
59 // mark, symbol or any other identification;
60 // (b) obligating MStar or any of its affiliates to furnish any person,
61 // including without limitation, you and your customers, any assistance
62 // of any kind whatsoever, or any information; or
63 // (c) conferring any license or right under any intellectual property right.
64 //
65 // 7. These terms shall be governed by and construed in accordance with the laws
66 // of Taiwan, R.O.C., excluding its conflict of law rules.
67 // Any and all dispute arising out hereof or related hereto shall be finally
68 // settled by arbitration referred to the Chinese Arbitration Association,
69 // Taipei in accordance with the ROC Arbitration Law and the Arbitration
70 // Rules of the Association by three (3) arbitrators appointed in accordance
71 // with the said Rules.
72 // The place of arbitration shall be in Taipei, Taiwan and the language shall
73 // be English.
74 // The arbitration award shall be final and binding to both parties.
75 //
76 //******************************************************************************
77 //<MStar Software>
78
79 //#include <MsCommon.h> // NUSED
80 //#include "include/drvCompiler.h" // NUSED
81 //#include "include/drvConfig.h" // NUSED
82 //#include "include/drvDevice.h" // NUSED
83 #include "include/drvKernel.h"
84 //#include "include/drvList.h" // NUSED
85 #include "drvUsbHostConfig.h"
86
87 /**
88 * @brief generic device structure initialization
89 *
90 * @param struct device_s *ms_gdev
91 *
92 * @return none
93 */
ms_device_initialize(struct device_s * ms_gdev)94 void ms_device_initialize(struct device_s *ms_gdev)
95 {
96 ms_list_init(&ms_gdev->node);
97 ms_list_init(&ms_gdev->children);
98 ms_list_init(&ms_gdev->driver_list);
99 ms_list_init(&ms_gdev->bus_list);
100 osapi_atomic_set(&ms_gdev->dev_refcnt,1);
101 }
102
103 /**
104 * @brief generic decvice adding
105 *
106 * @param struct device_s *ms_gdev
107 *
108 * @return error code
109 */
ms_device_add(struct device_s * ms_gdev)110 int ms_device_add(struct device_s *ms_gdev)
111 {
112 struct device_s * parent;
113
114 if (!ms_gdev || !strlen(ms_gdev->bus_id))
115 return -EINVAL;
116
117 parent = ms_gdev->parent;
118
119 ms_usbhost_debug("DEV: registering device: ID = '%s', name = %s\n",
120 ms_gdev->bus_id, ms_gdev->dev_name);
121
122 if (parent)
123 ms_insert_list_before(&ms_gdev->node,&parent->children);
124
125
126 ms_bus_add_device(ms_gdev);
127
128 return ENOERR;
129 }
130
131 /**
132 * @brief generic device deleting
133 *
134 * @param struct device_s * ms_gdev
135 *
136 * @return none
137 */
ms_device_del(struct device_s * ms_gdev)138 static void ms_device_del(struct device_s * ms_gdev)
139 {
140 struct device_s * parent = ms_gdev->parent;
141
142 if (parent)
143 ms_list_remove_and_init(&ms_gdev->node);
144
145 ms_bus_remove_device(ms_gdev);
146 }
147
148 /**
149 * @brief generic device unregistering
150 *
151 * @param struct device_s * ms_gdev
152 *
153 * @return none
154 */
ms_device_unregister(struct device_s * ms_gdev)155 void ms_device_unregister(struct device_s * ms_gdev)
156 {
157 ms_usbhost_debug("DEV: Unregistering device. ID = '%s', name = '%s'\n",
158 ms_gdev->bus_id,ms_gdev->dev_name);
159 ms_device_del(ms_gdev);
160 //calling device registed release function to releaes all device's allocated resouces
161 if (ms_gdev->release_func)
162 ms_gdev->release_func(ms_gdev);
163 }
164
165