source: mainline/uspace/drv/bus/usb/vhc/main.c

Last change on this file was 1433ecda, checked in by Jiri Svoboda <jiri@…>, 7 years ago

Fix cstyle: make ccheck-fix and commit only files where all the changes are good.

  • Property mode set to 100644
File size: 3.6 KB
Line 
1/*
2 * Copyright (c) 2011 Vojtech Horky
3 * Copyright (c) 2018 Ondrej Hlavaty
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup drvusbvhc
31 * @{
32 */
33/** @file
34 * Virtual host controller.
35 */
36
37#include <stdio.h>
38#include <errno.h>
39#include <str_error.h>
40#include <ddf/driver.h>
41
42#include <usb/host/ddf_helpers.h>
43#include <usb/host/utility.h>
44
45#include <usb/debug.h>
46#include "vhcd.h"
47
48static ddf_dev_ops_t vhc_ops = {
49 .close = on_client_close,
50 .default_handler = default_connection_handler
51};
52
53static errno_t vhc_control_node(ddf_dev_t *dev, ddf_fun_t **fun)
54{
55 assert(dev);
56 assert(fun);
57
58 *fun = ddf_fun_create(dev, fun_exposed, "virtual");
59 if (!*fun)
60 return ENOMEM;
61
62 vhc_data_t *vhc = ddf_fun_data_alloc(*fun, sizeof(vhc_data_t));
63 if (!vhc) {
64 ddf_fun_destroy(*fun);
65 }
66 ddf_fun_set_ops(*fun, &vhc_ops);
67 const errno_t ret = ddf_fun_bind(*fun);
68 if (ret != EOK) {
69 ddf_fun_destroy(*fun);
70 *fun = NULL;
71 return ret;
72 }
73 return EOK;
74}
75
76static errno_t vhc_dev_add(ddf_dev_t *dev)
77{
78 /* Initialize generic structures */
79 errno_t ret = hcd_ddf_setup_hc(dev, sizeof(vhc_data_t));
80 if (ret != EOK) {
81 usb_log_error("Failed to init HCD structures: %s.",
82 str_error(ret));
83 return ret;
84 }
85 vhc_data_t *vhc = ddf_dev_data_get(dev);
86 vhc_init(vhc);
87
88 hc_device_setup(&vhc->base, (bus_t *) &vhc->bus);
89
90 /* Initialize virtual structure */
91 ddf_fun_t *ctl_fun = NULL;
92 ret = vhc_control_node(dev, &ctl_fun);
93 if (ret != EOK) {
94 usb_log_error("Failed to setup control node.");
95 return ret;
96 }
97
98 /* Add virtual hub device */
99 ret = vhc_virtdev_plug_hub(vhc, &vhc->hub, NULL, 0);
100 if (ret != EOK) {
101 usb_log_error("Failed to plug root hub: %s.", str_error(ret));
102 ddf_fun_destroy(ctl_fun);
103 return ret;
104 }
105
106 /*
107 * Creating root hub registers a new USB device so HC
108 * needs to be ready at this time.
109 */
110 ret = hc_setup_virtual_root_hub(&vhc->base, USB_SPEED_HIGH);
111 if (ret != EOK) {
112 usb_log_error("Failed to init VHC root hub: %s",
113 str_error(ret));
114 // TODO do something here...
115 }
116
117 return ret;
118}
119
120static driver_ops_t vhc_driver_ops = {
121 .dev_add = vhc_dev_add,
122};
123
124static driver_t vhc_driver = {
125 .name = NAME,
126 .driver_ops = &vhc_driver_ops
127};
128
129int main(int argc, char *argv[])
130{
131 log_init(NAME);
132 printf(NAME ": virtual USB host controller driver.\n");
133
134 return ddf_driver_main(&vhc_driver);
135}
136
137/**
138 * @}
139 */
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