Deleted Added
full compact
musb_otg_atmelarm.c (184610) musb_otg_atmelarm.c (184824)
1/* $FreeBSD: head/sys/dev/usb2/controller/musb2_otg_atmelarm.c 184610 2008-11-04 02:31:03Z alfred $ */
1/* $FreeBSD: head/sys/dev/usb2/controller/musb2_otg_atmelarm.c 184824 2008-11-10 20:54:31Z 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/usb2/include/usb2_mfunc.h>
28#include <dev/usb2/include/usb2_defs.h>
29#include <dev/usb2/include/usb2_standard.h>
30
31#include <dev/usb2/core/usb2_core.h>
32#include <dev/usb2/core/usb2_busdma.h>
33#include <dev/usb2/core/usb2_process.h>
34#include <dev/usb2/core/usb2_config_td.h>
35#include <dev/usb2/core/usb2_sw_transfer.h>
36#include <dev/usb2/core/usb2_util.h>
37
38#include <dev/usb2/controller/usb2_controller.h>
39#include <dev/usb2/controller/usb2_bus.h>
40#include <dev/usb2/controller/musb2_otg.h>
41
42#include <sys/rman.h>
43
44static device_probe_t musbotg_probe;
45static device_attach_t musbotg_attach;
46static device_detach_t musbotg_detach;
47static device_shutdown_t musbotg_shutdown;
48
49struct musbotg_super_softc {
50 struct musbotg_softc sc_otg; /* must be first */
51};
52
53static void
54musbotg_vbus_interrupt(struct musbotg_super_softc *sc)
55{
56 uint8_t vbus_val = 1; /* fake VBUS on - TODO */
57
58 /* just forward it */
59
60 (sc->sc_otg.sc_bus.methods->vbus_interrupt)
61 (&sc->sc_otg.sc_bus, vbus_val);
62 return;
63}
64
65static void
66musbotg_clocks_on(void *arg)
67{
68#if 0
69 struct musbotg_super_softc *sc = arg;
70
71#endif
72
73 return;
74}
75
76static void
77musbotg_clocks_off(void *arg)
78{
79#if 0
80 struct musbotg_super_softc *sc = arg;
81
82#endif
83
84 return;
85}
86
87static int
88musbotg_probe(device_t dev)
89{
90 device_set_desc(dev, "MUSB OTG integrated USB controller");
91 return (0);
92}
93
94static int
95musbotg_attach(device_t dev)
96{
97 struct musbotg_super_softc *sc = device_get_softc(dev);
98 int err;
99 int rid;
100
101 if (sc == NULL) {
102 return (ENXIO);
103 }
104 /* setup MUSB OTG USB controller interface softc */
105
106 sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
107 sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
108 sc->sc_otg.sc_clocks_arg = sc;
109
110 /* get all DMA memory */
111
112 if (usb2_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
113 USB_GET_DMA_TAG(dev), NULL)) {
114 return (ENOMEM);
115 }
116 rid = 0;
117 sc->sc_otg.sc_io_res =
118 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
119
120 if (!(sc->sc_otg.sc_io_res)) {
121 err = ENOMEM;
122 goto error;
123 }
124 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
125 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
126 sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
127
128 rid = 0;
129 sc->sc_otg.sc_irq_res =
130 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
131 if (!(sc->sc_otg.sc_irq_res)) {
132 goto error;
133 }
134 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
135 if (!(sc->sc_otg.sc_bus.bdev)) {
136 goto error;
137 }
138 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
139
140 err = usb2_config_td_setup(&sc->sc_otg.sc_config_td, sc,
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/usb2/include/usb2_mfunc.h>
28#include <dev/usb2/include/usb2_defs.h>
29#include <dev/usb2/include/usb2_standard.h>
30
31#include <dev/usb2/core/usb2_core.h>
32#include <dev/usb2/core/usb2_busdma.h>
33#include <dev/usb2/core/usb2_process.h>
34#include <dev/usb2/core/usb2_config_td.h>
35#include <dev/usb2/core/usb2_sw_transfer.h>
36#include <dev/usb2/core/usb2_util.h>
37
38#include <dev/usb2/controller/usb2_controller.h>
39#include <dev/usb2/controller/usb2_bus.h>
40#include <dev/usb2/controller/musb2_otg.h>
41
42#include <sys/rman.h>
43
44static device_probe_t musbotg_probe;
45static device_attach_t musbotg_attach;
46static device_detach_t musbotg_detach;
47static device_shutdown_t musbotg_shutdown;
48
49struct musbotg_super_softc {
50 struct musbotg_softc sc_otg; /* must be first */
51};
52
53static void
54musbotg_vbus_interrupt(struct musbotg_super_softc *sc)
55{
56 uint8_t vbus_val = 1; /* fake VBUS on - TODO */
57
58 /* just forward it */
59
60 (sc->sc_otg.sc_bus.methods->vbus_interrupt)
61 (&sc->sc_otg.sc_bus, vbus_val);
62 return;
63}
64
65static void
66musbotg_clocks_on(void *arg)
67{
68#if 0
69 struct musbotg_super_softc *sc = arg;
70
71#endif
72
73 return;
74}
75
76static void
77musbotg_clocks_off(void *arg)
78{
79#if 0
80 struct musbotg_super_softc *sc = arg;
81
82#endif
83
84 return;
85}
86
87static int
88musbotg_probe(device_t dev)
89{
90 device_set_desc(dev, "MUSB OTG integrated USB controller");
91 return (0);
92}
93
94static int
95musbotg_attach(device_t dev)
96{
97 struct musbotg_super_softc *sc = device_get_softc(dev);
98 int err;
99 int rid;
100
101 if (sc == NULL) {
102 return (ENXIO);
103 }
104 /* setup MUSB OTG USB controller interface softc */
105
106 sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
107 sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
108 sc->sc_otg.sc_clocks_arg = sc;
109
110 /* get all DMA memory */
111
112 if (usb2_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
113 USB_GET_DMA_TAG(dev), NULL)) {
114 return (ENOMEM);
115 }
116 rid = 0;
117 sc->sc_otg.sc_io_res =
118 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
119
120 if (!(sc->sc_otg.sc_io_res)) {
121 err = ENOMEM;
122 goto error;
123 }
124 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
125 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
126 sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
127
128 rid = 0;
129 sc->sc_otg.sc_irq_res =
130 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
131 if (!(sc->sc_otg.sc_irq_res)) {
132 goto error;
133 }
134 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
135 if (!(sc->sc_otg.sc_bus.bdev)) {
136 goto error;
137 }
138 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
139
140 err = usb2_config_td_setup(&sc->sc_otg.sc_config_td, sc,
141 &sc->sc_otg.sc_bus.mtx, NULL, 0, 4);
141 &sc->sc_otg.sc_bus.bus_mtx, NULL, 0, 4);
142 if (err) {
143 device_printf(dev, "could not setup config thread!\n");
144 goto error;
145 }
146#if (__FreeBSD_version >= 700031)
147 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
148 NULL, (void *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
149#else
150 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
151 (void *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
152#endif
153 if (err) {
154 sc->sc_otg.sc_intr_hdl = NULL;
155 goto error;
156 }
157 err = musbotg_init(&sc->sc_otg);
158 if (!err) {
159 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
160 }
161 if (err) {
162 goto error;
163 } else {
164 /* poll VBUS one time */
165 musbotg_vbus_interrupt(sc);
166 }
167 return (0);
168
169error:
170 musbotg_detach(dev);
171 return (ENXIO);
172}
173
174static int
175musbotg_detach(device_t dev)
176{
177 struct musbotg_super_softc *sc = device_get_softc(dev);
178 device_t bdev;
179 int err;
180
181 if (sc->sc_otg.sc_bus.bdev) {
182 bdev = sc->sc_otg.sc_bus.bdev;
183 device_detach(bdev);
184 device_delete_child(dev, bdev);
185 }
186 /* during module unload there are lots of children leftover */
187 device_delete_all_children(dev);
188
189 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
190 /*
191 * only call musbotg_uninit() after musbotg_init()
192 */
193 musbotg_uninit(&sc->sc_otg);
194
195 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
196 sc->sc_otg.sc_intr_hdl);
197 sc->sc_otg.sc_intr_hdl = NULL;
198 }
199 /* free IRQ channel, if any */
200 if (sc->sc_otg.sc_irq_res) {
201 bus_release_resource(dev, SYS_RES_IRQ, 0,
202 sc->sc_otg.sc_irq_res);
203 sc->sc_otg.sc_irq_res = NULL;
204 }
205 /* free memory resource, if any */
206 if (sc->sc_otg.sc_io_res) {
207 bus_release_resource(dev, SYS_RES_MEMORY, 0,
208 sc->sc_otg.sc_io_res);
209 sc->sc_otg.sc_io_res = NULL;
210 }
211 usb2_config_td_unsetup(&sc->sc_otg.sc_config_td);
212
213 usb2_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
214
215 return (0);
216}
217
218static int
219musbotg_shutdown(device_t dev)
220{
221 struct musbotg_super_softc *sc = device_get_softc(dev);
222 int err;
223
224 err = bus_generic_shutdown(dev);
225 if (err)
226 return (err);
227
228 musbotg_uninit(&sc->sc_otg);
229
230 return (0);
231}
232
233static device_method_t musbotg_methods[] = {
234 /* Device interface */
235 DEVMETHOD(device_probe, musbotg_probe),
236 DEVMETHOD(device_attach, musbotg_attach),
237 DEVMETHOD(device_detach, musbotg_detach),
238 DEVMETHOD(device_shutdown, musbotg_shutdown),
239
240 /* Bus interface */
241 DEVMETHOD(bus_print_child, bus_generic_print_child),
242
243 {0, 0}
244};
245
246static driver_t musbotg_driver = {
247 "musbotg",
248 musbotg_methods,
249 sizeof(struct musbotg_super_softc),
250};
251
252static devclass_t musbotg_devclass;
253
254DRIVER_MODULE(musbotg, atmelarm, musbotg_driver, musbotg_devclass, 0, 0);
255MODULE_DEPEND(musbotg, usb2_controller, 1, 1, 1);
256MODULE_DEPEND(musbotg, usb2_core, 1, 1, 1);
142 if (err) {
143 device_printf(dev, "could not setup config thread!\n");
144 goto error;
145 }
146#if (__FreeBSD_version >= 700031)
147 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
148 NULL, (void *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
149#else
150 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
151 (void *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
152#endif
153 if (err) {
154 sc->sc_otg.sc_intr_hdl = NULL;
155 goto error;
156 }
157 err = musbotg_init(&sc->sc_otg);
158 if (!err) {
159 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
160 }
161 if (err) {
162 goto error;
163 } else {
164 /* poll VBUS one time */
165 musbotg_vbus_interrupt(sc);
166 }
167 return (0);
168
169error:
170 musbotg_detach(dev);
171 return (ENXIO);
172}
173
174static int
175musbotg_detach(device_t dev)
176{
177 struct musbotg_super_softc *sc = device_get_softc(dev);
178 device_t bdev;
179 int err;
180
181 if (sc->sc_otg.sc_bus.bdev) {
182 bdev = sc->sc_otg.sc_bus.bdev;
183 device_detach(bdev);
184 device_delete_child(dev, bdev);
185 }
186 /* during module unload there are lots of children leftover */
187 device_delete_all_children(dev);
188
189 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
190 /*
191 * only call musbotg_uninit() after musbotg_init()
192 */
193 musbotg_uninit(&sc->sc_otg);
194
195 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
196 sc->sc_otg.sc_intr_hdl);
197 sc->sc_otg.sc_intr_hdl = NULL;
198 }
199 /* free IRQ channel, if any */
200 if (sc->sc_otg.sc_irq_res) {
201 bus_release_resource(dev, SYS_RES_IRQ, 0,
202 sc->sc_otg.sc_irq_res);
203 sc->sc_otg.sc_irq_res = NULL;
204 }
205 /* free memory resource, if any */
206 if (sc->sc_otg.sc_io_res) {
207 bus_release_resource(dev, SYS_RES_MEMORY, 0,
208 sc->sc_otg.sc_io_res);
209 sc->sc_otg.sc_io_res = NULL;
210 }
211 usb2_config_td_unsetup(&sc->sc_otg.sc_config_td);
212
213 usb2_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
214
215 return (0);
216}
217
218static int
219musbotg_shutdown(device_t dev)
220{
221 struct musbotg_super_softc *sc = device_get_softc(dev);
222 int err;
223
224 err = bus_generic_shutdown(dev);
225 if (err)
226 return (err);
227
228 musbotg_uninit(&sc->sc_otg);
229
230 return (0);
231}
232
233static device_method_t musbotg_methods[] = {
234 /* Device interface */
235 DEVMETHOD(device_probe, musbotg_probe),
236 DEVMETHOD(device_attach, musbotg_attach),
237 DEVMETHOD(device_detach, musbotg_detach),
238 DEVMETHOD(device_shutdown, musbotg_shutdown),
239
240 /* Bus interface */
241 DEVMETHOD(bus_print_child, bus_generic_print_child),
242
243 {0, 0}
244};
245
246static driver_t musbotg_driver = {
247 "musbotg",
248 musbotg_methods,
249 sizeof(struct musbotg_super_softc),
250};
251
252static devclass_t musbotg_devclass;
253
254DRIVER_MODULE(musbotg, atmelarm, musbotg_driver, musbotg_devclass, 0, 0);
255MODULE_DEPEND(musbotg, usb2_controller, 1, 1, 1);
256MODULE_DEPEND(musbotg, usb2_core, 1, 1, 1);