1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*-
* Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
* Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <sys/rman.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_busdma.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_util.h>
#include <dev/usb/usb_controller.h>
#include <dev/usb/usb_bus.h>
#include <dev/usb/controller/dotg.h>
#include <mips/rt305x/rt305xreg.h>
#include <mips/rt305x/rt305x_sysctlvar.h>
#define MEM_RID 0
static device_probe_t dotg_obio_probe;
static device_attach_t dotg_obio_attach;
static device_detach_t dotg_obio_detach;
struct dotg_obio_softc {
struct dotg_softc sc_dci; /* must be first */
};
static int
dotg_obio_probe(device_t dev)
{
device_set_desc(dev, "DWC like USB OTG controller");
return (0);
}
static int
dotg_obio_attach(device_t dev)
{
struct dotg_obio_softc *sc = device_get_softc(dev);
int err;
/* setup controller interface softc */
/* initialise some bus fields */
sc->sc_dci.sc_dev = dev;
sc->sc_dci.sc_bus.parent = dev;
sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices;
sc->sc_dci.sc_bus.devices_max = DOTG_MAX_DEVICES;
sc->sc_dci.sc_bus.dma_bits = 32;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
printf("No mem\n");
return (ENOMEM);
}
sc->sc_dci.sc_mem_rid = 0;
sc->sc_dci.sc_mem_res =
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->sc_dci.sc_irq_rid,
RF_ACTIVE);
if (!(sc->sc_dci.sc_mem_res)) {
printf("Can`t alloc MEM\n");
goto error;
}
sc->sc_dci.sc_bst = rman_get_bustag(sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_bsh = rman_get_bushandle(sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_irq_rid = 0;
sc->sc_dci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->sc_dci.sc_irq_rid, RF_SHAREABLE| RF_ACTIVE);
if (!(sc->sc_dci.sc_irq_res)) {
printf("Can`t alloc IRQ\n");
goto error;
}
sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_dci.sc_bus.bdev)) {
printf("Can`t add usbus\n");
goto error;
}
device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus);
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE, NULL, (driver_intr_t *)dotg_interrupt,
sc, &sc->sc_dci.sc_intr_hdl);
#else
err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE, (driver_intr_t *)dotg_interrupt,
sc, &sc->sc_dci.sc_intr_hdl);
#endif
if (err) {
sc->sc_dci.sc_intr_hdl = NULL;
printf("Can`t set IRQ handle\n");
goto error;
}
/* Run clock for OTG core */
rt305x_sysctl_set(SYSCTL_CLKCFG1, rt305x_sysctl_get(SYSCTL_CLKCFG1) |
SYSCTL_CLKCFG1_OTG_CLK_EN);
rt305x_sysctl_set(SYSCTL_RSTCTRL, SYSCTL_RSTCTRL_OTG);
DELAY(100);
err = dotg_init(&sc->sc_dci);
if (err) printf("dotg_init fail\n");
if (!err) {
err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev);
if (err) printf("device_probe_and_attach fail\n");
}
if (err) {
goto error;
}
return (0);
error:
dotg_obio_detach(dev);
return (ENXIO);
}
static int
dotg_obio_detach(device_t dev)
{
struct dotg_obio_softc *sc = device_get_softc(dev);
device_t bdev;
int err;
if (sc->sc_dci.sc_bus.bdev) {
bdev = sc->sc_dci.sc_bus.bdev;
device_detach(bdev);
device_delete_child(dev, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(dev);
if (sc->sc_dci.sc_irq_res && sc->sc_dci.sc_intr_hdl) {
/*
* only call dotg_obio_uninit() after dotg_obio_init()
*/
dotg_uninit(&sc->sc_dci);
/* Stop OTG clock */
rt305x_sysctl_set(SYSCTL_CLKCFG1,
rt305x_sysctl_get(SYSCTL_CLKCFG1) &
~SYSCTL_CLKCFG1_OTG_CLK_EN);
err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res,
sc->sc_dci.sc_intr_hdl);
sc->sc_dci.sc_intr_hdl = NULL;
}
if (sc->sc_dci.sc_irq_res) {
bus_release_resource(dev, SYS_RES_IRQ, 0,
sc->sc_dci.sc_irq_res);
sc->sc_dci.sc_irq_res = NULL;
}
if (sc->sc_dci.sc_mem_res) {
bus_release_resource(dev, SYS_RES_MEMORY, 0,
sc->sc_dci.sc_mem_res);
sc->sc_dci.sc_mem_res = NULL;
}
usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL);
return (0);
}
static device_method_t dotg_obio_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, dotg_obio_probe),
DEVMETHOD(device_attach, dotg_obio_attach),
DEVMETHOD(device_detach, dotg_obio_detach),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD_END
};
static driver_t dotg_obio_driver = {
.name = "dotg",
.methods = dotg_obio_methods,
.size = sizeof(struct dotg_obio_softc),
};
static devclass_t dotg_obio_devclass;
DRIVER_MODULE(dotg, obio, dotg_obio_driver, dotg_obio_devclass, 0, 0);
|
