1/* $FreeBSD: head/sys/dev/usb/controller/musb_otg_atmelarm.c 190755 2009-04-06 00:32:54Z thompsa $ */
| 1/* $FreeBSD: head/sys/dev/usb/controller/musb_otg_atmelarm.c 194228 2009-06-15 01:02:43Z thompsa $ */
|
2/*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <dev/usb/usb_mfunc.h>
28#include <dev/usb/usb.h>
29
30#include <dev/usb/usb_core.h>
31#include <dev/usb/usb_busdma.h>
32#include <dev/usb/usb_process.h>
33#include <dev/usb/usb_util.h>
34
35#include <dev/usb/usb_controller.h>
36#include <dev/usb/usb_bus.h>
37#include <dev/usb/controller/musb_otg.h>
38
39#include <sys/rman.h>
40
41static device_probe_t musbotg_probe;
42static device_attach_t musbotg_attach;
43static device_detach_t musbotg_detach;
44static device_shutdown_t musbotg_shutdown;
45
46struct musbotg_super_softc {
47 struct musbotg_softc sc_otg; /* must be first */
48};
49
50static void
51musbotg_vbus_poll(struct musbotg_super_softc *sc)
52{
53 uint8_t vbus_val = 1; /* fake VBUS on - TODO */
54
55 /* just forward it */
56 musbotg_vbus_interrupt(&sc->sc_otg, vbus_val);
57}
58
59static void
60musbotg_clocks_on(void *arg)
61{
62#if 0
63 struct musbotg_super_softc *sc = arg;
64
65#endif
66}
67
68static void
69musbotg_clocks_off(void *arg)
70{
71#if 0
72 struct musbotg_super_softc *sc = arg;
73
74#endif
75}
76
77static int
78musbotg_probe(device_t dev)
79{
80 device_set_desc(dev, "MUSB OTG integrated USB controller");
81 return (0);
82}
83
84static int
85musbotg_attach(device_t dev)
86{
87 struct musbotg_super_softc *sc = device_get_softc(dev);
88 int err;
89 int rid;
90
91 /* setup MUSB OTG USB controller interface softc */
92 sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
93 sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
94 sc->sc_otg.sc_clocks_arg = sc;
95
96 /* initialise some bus fields */
97 sc->sc_otg.sc_bus.parent = dev;
98 sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
99 sc->sc_otg.sc_bus.devices_max = MUSB2_MAX_DEVICES;
100
101 /* get all DMA memory */
| 2/*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <dev/usb/usb_mfunc.h>
28#include <dev/usb/usb.h>
29
30#include <dev/usb/usb_core.h>
31#include <dev/usb/usb_busdma.h>
32#include <dev/usb/usb_process.h>
33#include <dev/usb/usb_util.h>
34
35#include <dev/usb/usb_controller.h>
36#include <dev/usb/usb_bus.h>
37#include <dev/usb/controller/musb_otg.h>
38
39#include <sys/rman.h>
40
41static device_probe_t musbotg_probe;
42static device_attach_t musbotg_attach;
43static device_detach_t musbotg_detach;
44static device_shutdown_t musbotg_shutdown;
45
46struct musbotg_super_softc {
47 struct musbotg_softc sc_otg; /* must be first */
48};
49
50static void
51musbotg_vbus_poll(struct musbotg_super_softc *sc)
52{
53 uint8_t vbus_val = 1; /* fake VBUS on - TODO */
54
55 /* just forward it */
56 musbotg_vbus_interrupt(&sc->sc_otg, vbus_val);
57}
58
59static void
60musbotg_clocks_on(void *arg)
61{
62#if 0
63 struct musbotg_super_softc *sc = arg;
64
65#endif
66}
67
68static void
69musbotg_clocks_off(void *arg)
70{
71#if 0
72 struct musbotg_super_softc *sc = arg;
73
74#endif
75}
76
77static int
78musbotg_probe(device_t dev)
79{
80 device_set_desc(dev, "MUSB OTG integrated USB controller");
81 return (0);
82}
83
84static int
85musbotg_attach(device_t dev)
86{
87 struct musbotg_super_softc *sc = device_get_softc(dev);
88 int err;
89 int rid;
90
91 /* setup MUSB OTG USB controller interface softc */
92 sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
93 sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
94 sc->sc_otg.sc_clocks_arg = sc;
95
96 /* initialise some bus fields */
97 sc->sc_otg.sc_bus.parent = dev;
98 sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
99 sc->sc_otg.sc_bus.devices_max = MUSB2_MAX_DEVICES;
100
101 /* get all DMA memory */
|
102 if (usb2_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
| 102 if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
|
103 USB_GET_DMA_TAG(dev), NULL)) {
104 return (ENOMEM);
105 }
106 rid = 0;
107 sc->sc_otg.sc_io_res =
108 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
109
110 if (!(sc->sc_otg.sc_io_res)) {
111 err = ENOMEM;
112 goto error;
113 }
114 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
115 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
116 sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
117
118 rid = 0;
119 sc->sc_otg.sc_irq_res =
120 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
121 if (!(sc->sc_otg.sc_irq_res)) {
122 goto error;
123 }
124 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
125 if (!(sc->sc_otg.sc_bus.bdev)) {
126 goto error;
127 }
128 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
129
130#if (__FreeBSD_version >= 700031)
131 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
132 NULL, (driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
133#else
134 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
135 (driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
136#endif
137 if (err) {
138 sc->sc_otg.sc_intr_hdl = NULL;
139 goto error;
140 }
141 err = musbotg_init(&sc->sc_otg);
142 if (!err) {
143 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
144 }
145 if (err) {
146 goto error;
147 } else {
148 /* poll VBUS one time */
149 musbotg_vbus_poll(sc);
150 }
151 return (0);
152
153error:
154 musbotg_detach(dev);
155 return (ENXIO);
156}
157
158static int
159musbotg_detach(device_t dev)
160{
161 struct musbotg_super_softc *sc = device_get_softc(dev);
162 device_t bdev;
163 int err;
164
165 if (sc->sc_otg.sc_bus.bdev) {
166 bdev = sc->sc_otg.sc_bus.bdev;
167 device_detach(bdev);
168 device_delete_child(dev, bdev);
169 }
170 /* during module unload there are lots of children leftover */
171 device_delete_all_children(dev);
172
173 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
174 /*
175 * only call musbotg_uninit() after musbotg_init()
176 */
177 musbotg_uninit(&sc->sc_otg);
178
179 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
180 sc->sc_otg.sc_intr_hdl);
181 sc->sc_otg.sc_intr_hdl = NULL;
182 }
183 /* free IRQ channel, if any */
184 if (sc->sc_otg.sc_irq_res) {
185 bus_release_resource(dev, SYS_RES_IRQ, 0,
186 sc->sc_otg.sc_irq_res);
187 sc->sc_otg.sc_irq_res = NULL;
188 }
189 /* free memory resource, if any */
190 if (sc->sc_otg.sc_io_res) {
191 bus_release_resource(dev, SYS_RES_MEMORY, 0,
192 sc->sc_otg.sc_io_res);
193 sc->sc_otg.sc_io_res = NULL;
194 }
| 103 USB_GET_DMA_TAG(dev), NULL)) {
104 return (ENOMEM);
105 }
106 rid = 0;
107 sc->sc_otg.sc_io_res =
108 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
109
110 if (!(sc->sc_otg.sc_io_res)) {
111 err = ENOMEM;
112 goto error;
113 }
114 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
115 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
116 sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
117
118 rid = 0;
119 sc->sc_otg.sc_irq_res =
120 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
121 if (!(sc->sc_otg.sc_irq_res)) {
122 goto error;
123 }
124 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
125 if (!(sc->sc_otg.sc_bus.bdev)) {
126 goto error;
127 }
128 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
129
130#if (__FreeBSD_version >= 700031)
131 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
132 NULL, (driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
133#else
134 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
135 (driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
136#endif
137 if (err) {
138 sc->sc_otg.sc_intr_hdl = NULL;
139 goto error;
140 }
141 err = musbotg_init(&sc->sc_otg);
142 if (!err) {
143 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
144 }
145 if (err) {
146 goto error;
147 } else {
148 /* poll VBUS one time */
149 musbotg_vbus_poll(sc);
150 }
151 return (0);
152
153error:
154 musbotg_detach(dev);
155 return (ENXIO);
156}
157
158static int
159musbotg_detach(device_t dev)
160{
161 struct musbotg_super_softc *sc = device_get_softc(dev);
162 device_t bdev;
163 int err;
164
165 if (sc->sc_otg.sc_bus.bdev) {
166 bdev = sc->sc_otg.sc_bus.bdev;
167 device_detach(bdev);
168 device_delete_child(dev, bdev);
169 }
170 /* during module unload there are lots of children leftover */
171 device_delete_all_children(dev);
172
173 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
174 /*
175 * only call musbotg_uninit() after musbotg_init()
176 */
177 musbotg_uninit(&sc->sc_otg);
178
179 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
180 sc->sc_otg.sc_intr_hdl);
181 sc->sc_otg.sc_intr_hdl = NULL;
182 }
183 /* free IRQ channel, if any */
184 if (sc->sc_otg.sc_irq_res) {
185 bus_release_resource(dev, SYS_RES_IRQ, 0,
186 sc->sc_otg.sc_irq_res);
187 sc->sc_otg.sc_irq_res = NULL;
188 }
189 /* free memory resource, if any */
190 if (sc->sc_otg.sc_io_res) {
191 bus_release_resource(dev, SYS_RES_MEMORY, 0,
192 sc->sc_otg.sc_io_res);
193 sc->sc_otg.sc_io_res = NULL;
194 }
|
195 usb2_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
| 195 usb_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
|
196
197 return (0);
198}
199
200static int
201musbotg_shutdown(device_t dev)
202{
203 struct musbotg_super_softc *sc = device_get_softc(dev);
204 int err;
205
206 err = bus_generic_shutdown(dev);
207 if (err)
208 return (err);
209
210 musbotg_uninit(&sc->sc_otg);
211
212 return (0);
213}
214
215static device_method_t musbotg_methods[] = {
216 /* Device interface */
217 DEVMETHOD(device_probe, musbotg_probe),
218 DEVMETHOD(device_attach, musbotg_attach),
219 DEVMETHOD(device_detach, musbotg_detach),
220 DEVMETHOD(device_shutdown, musbotg_shutdown),
221
222 /* Bus interface */
223 DEVMETHOD(bus_print_child, bus_generic_print_child),
224
225 {0, 0}
226};
227
228static driver_t musbotg_driver = {
229 "musbotg",
230 musbotg_methods,
231 sizeof(struct musbotg_super_softc),
232};
233
234static devclass_t musbotg_devclass;
235
236DRIVER_MODULE(musbotg, atmelarm, musbotg_driver, musbotg_devclass, 0, 0);
237MODULE_DEPEND(musbotg, usb, 1, 1, 1);
| 196
197 return (0);
198}
199
200static int
201musbotg_shutdown(device_t dev)
202{
203 struct musbotg_super_softc *sc = device_get_softc(dev);
204 int err;
205
206 err = bus_generic_shutdown(dev);
207 if (err)
208 return (err);
209
210 musbotg_uninit(&sc->sc_otg);
211
212 return (0);
213}
214
215static device_method_t musbotg_methods[] = {
216 /* Device interface */
217 DEVMETHOD(device_probe, musbotg_probe),
218 DEVMETHOD(device_attach, musbotg_attach),
219 DEVMETHOD(device_detach, musbotg_detach),
220 DEVMETHOD(device_shutdown, musbotg_shutdown),
221
222 /* Bus interface */
223 DEVMETHOD(bus_print_child, bus_generic_print_child),
224
225 {0, 0}
226};
227
228static driver_t musbotg_driver = {
229 "musbotg",
230 musbotg_methods,
231 sizeof(struct musbotg_super_softc),
232};
233
234static devclass_t musbotg_devclass;
235
236DRIVER_MODULE(musbotg, atmelarm, musbotg_driver, musbotg_devclass, 0, 0);
237MODULE_DEPEND(musbotg, usb, 1, 1, 1);
|