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
80 #undef DEBUG
81
82 #include <MsCommon.h>
83 #include "include/drvKernel.h"
84 #include "drvBase.h"
85 #include "include/drvDevice.h"
86
87 /*
88 #define to_dev(node) container_of(node,struct device,driver_list)
89 #define to_drv(obj) container_of(obj,struct device_driver,kobj)
90 */
91
92 LIST_HEAD(global_driver_list);
93
94 /**
95 * driver_register - register driver with bus
96 * @drv: driver to register
97 *
98 * We pass off most of the work to the bus_add_driver() call,
99 * since most of the things we have to do deal with the bus
100 * structures.
101 *
102 * The one interesting aspect is that we initialize @drv->unload_sem
103 * to a locked state here. It will be unlocked when the driver
104 * reference count reaches 0.
105 */
106
107 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
108 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
109 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
110 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
111 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
112 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
113 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
114 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
115 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
116 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
117 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
118 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
119 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
120 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
121 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
122 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
123 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
124 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
125 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
126 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
127 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
128 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
129 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
130 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
131 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
132 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
133 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
134 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
135 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
136 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
137 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
138 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
139 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
140 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
141 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
142 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
143 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
144 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
145 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
146 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
147 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
148 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
149 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
150 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
151 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
152 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
153 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
154 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
driver_register(struct device_driver * m_drv)155 int driver_register(struct device_driver * m_drv)
156 {
157 INIT_LIST_HEAD(&m_drv->devices);
158 init_MUTEX_LOCKED(&m_drv->unload_sem);
159 return bus_add_driver(m_drv);
160 }
161
162
163 /**
164 * driver_unregister - remove driver from system.
165 * @drv: driver.
166 *
167 * Again, we pass off most of the work to the bus-level call.
168 *
169 * Though, once that is done, we attempt to take @drv->unload_sem.
170 * This will block until the driver refcount reaches 0, and it is
171 * released. Only modular drivers will call this function, and we
172 * have to guarantee that it won't complete, letting the driver
173 * unload until all references are gone.
174 */
175 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
176 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
177 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
178 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
179 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
180 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
181 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
182 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
183 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
184 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
185 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
186 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
187 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
188 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
189 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
190 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
191 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
192 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
193 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
194 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
195 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
196 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
197 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
198 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
199 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
200 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
201 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
202 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
203 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
204 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
205 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
206 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
207 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
208 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
209 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
210 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
211 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
212 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
213 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
214 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
215 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
216 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
217 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
218 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
219 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
220 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
221 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
222 /*USB HOST USB HOST USB HOST USB HOST USB HOST USB HOST*/
223
driver_unregister(struct device_driver * m_drv)224 void driver_unregister(struct device_driver * m_drv)
225 {
226 bus_remove_driver(m_drv);
227 down(&m_drv->unload_sem);
228 up(&m_drv->unload_sem);
229 }
230
231