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atmegadci_atmelarm.c (192984) atmegadci_atmelarm.c (194228)
1#include <sys/cdefs.h>
1#include <sys/cdefs.h>
2__FBSDID("$FreeBSD: head/sys/dev/usb/controller/atmegadci_atmelarm.c 192984 2009-05-28 17:36:36Z thompsa $");
2__FBSDID("$FreeBSD: head/sys/dev/usb/controller/atmegadci_atmelarm.c 194228 2009-06-15 01:02:43Z thompsa $");
3
4/*-
5 * Copyright (c) 2009 Hans Petter Selasky. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <dev/usb/usb.h>
30
31#include <dev/usb/usb_core.h>
32#include <dev/usb/usb_busdma.h>
33#include <dev/usb/usb_process.h>
34#include <dev/usb/usb_util.h>
35
36#include <dev/usb/usb_controller.h>
37#include <dev/usb/usb_bus.h>
38#include <dev/usb/controller/atmegadci.h>
39
40#include <sys/rman.h>
41
42static device_probe_t atmegadci_probe;
43static device_attach_t atmegadci_attach;
44static device_detach_t atmegadci_detach;
45static device_shutdown_t atmegadci_shutdown;
46
47struct atmegadci_super_softc {
48 struct atmegadci_softc sc_otg; /* must be first */
49};
50
51static void
52atmegadci_clocks_on(struct usb_bus *bus)
53{
54 /* TODO */
55}
56
57static void
58atmegadci_clocks_off(struct usb_bus *bus)
59{
60 /* TODO */
61}
62
63static int
64atmegadci_probe(device_t dev)
65{
66 device_set_desc(dev, "ATMEL OTG integrated USB controller");
67 return (0);
68}
69
70static int
71atmegadci_attach(device_t dev)
72{
73 struct atmegadci_super_softc *sc = device_get_softc(dev);
74 int err;
75 int rid;
76
77 /* setup MUSB OTG USB controller interface softc */
78 sc->sc_otg.sc_clocks_on = &atmegadci_clocks_on;
79 sc->sc_otg.sc_clocks_off = &atmegadci_clocks_off;
80
81 /* initialise some bus fields */
82 sc->sc_otg.sc_bus.parent = dev;
83 sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
84 sc->sc_otg.sc_bus.devices_max = ATMEGA_MAX_DEVICES;
85
86 /* get all DMA memory */
3
4/*-
5 * Copyright (c) 2009 Hans Petter Selasky. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <dev/usb/usb.h>
30
31#include <dev/usb/usb_core.h>
32#include <dev/usb/usb_busdma.h>
33#include <dev/usb/usb_process.h>
34#include <dev/usb/usb_util.h>
35
36#include <dev/usb/usb_controller.h>
37#include <dev/usb/usb_bus.h>
38#include <dev/usb/controller/atmegadci.h>
39
40#include <sys/rman.h>
41
42static device_probe_t atmegadci_probe;
43static device_attach_t atmegadci_attach;
44static device_detach_t atmegadci_detach;
45static device_shutdown_t atmegadci_shutdown;
46
47struct atmegadci_super_softc {
48 struct atmegadci_softc sc_otg; /* must be first */
49};
50
51static void
52atmegadci_clocks_on(struct usb_bus *bus)
53{
54 /* TODO */
55}
56
57static void
58atmegadci_clocks_off(struct usb_bus *bus)
59{
60 /* TODO */
61}
62
63static int
64atmegadci_probe(device_t dev)
65{
66 device_set_desc(dev, "ATMEL OTG integrated USB controller");
67 return (0);
68}
69
70static int
71atmegadci_attach(device_t dev)
72{
73 struct atmegadci_super_softc *sc = device_get_softc(dev);
74 int err;
75 int rid;
76
77 /* setup MUSB OTG USB controller interface softc */
78 sc->sc_otg.sc_clocks_on = &atmegadci_clocks_on;
79 sc->sc_otg.sc_clocks_off = &atmegadci_clocks_off;
80
81 /* initialise some bus fields */
82 sc->sc_otg.sc_bus.parent = dev;
83 sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
84 sc->sc_otg.sc_bus.devices_max = ATMEGA_MAX_DEVICES;
85
86 /* get all DMA memory */
87 if (usb2_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
87 if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
88 USB_GET_DMA_TAG(dev), NULL)) {
89 return (ENOMEM);
90 }
91 rid = 0;
92 sc->sc_otg.sc_io_res =
93 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
94
95 if (!(sc->sc_otg.sc_io_res)) {
96 err = ENOMEM;
97 goto error;
98 }
99 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
100 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
101
102 rid = 0;
103 sc->sc_otg.sc_irq_res =
104 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
105 if (!(sc->sc_otg.sc_irq_res)) {
106 goto error;
107 }
108 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
109 if (!(sc->sc_otg.sc_bus.bdev)) {
110 goto error;
111 }
112 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
113
114 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
115 NULL, (driver_intr_t *)atmegadci_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
116 if (err) {
117 sc->sc_otg.sc_intr_hdl = NULL;
118 goto error;
119 }
120 err = atmegadci_init(&sc->sc_otg);
121 if (!err) {
122 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
123 }
124 if (err) {
125 goto error;
126 }
127 return (0);
128
129error:
130 atmegadci_detach(dev);
131 return (ENXIO);
132}
133
134static int
135atmegadci_detach(device_t dev)
136{
137 struct atmegadci_super_softc *sc = device_get_softc(dev);
138 device_t bdev;
139 int err;
140
141 if (sc->sc_otg.sc_bus.bdev) {
142 bdev = sc->sc_otg.sc_bus.bdev;
143 device_detach(bdev);
144 device_delete_child(dev, bdev);
145 }
146 /* during module unload there are lots of children leftover */
147 device_delete_all_children(dev);
148
149 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
150 /*
151 * only call atmegadci_uninit() after atmegadci_init()
152 */
153 atmegadci_uninit(&sc->sc_otg);
154
155 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
156 sc->sc_otg.sc_intr_hdl);
157 sc->sc_otg.sc_intr_hdl = NULL;
158 }
159 /* free IRQ channel, if any */
160 if (sc->sc_otg.sc_irq_res) {
161 bus_release_resource(dev, SYS_RES_IRQ, 0,
162 sc->sc_otg.sc_irq_res);
163 sc->sc_otg.sc_irq_res = NULL;
164 }
165 /* free memory resource, if any */
166 if (sc->sc_otg.sc_io_res) {
167 bus_release_resource(dev, SYS_RES_MEMORY, 0,
168 sc->sc_otg.sc_io_res);
169 sc->sc_otg.sc_io_res = NULL;
170 }
88 USB_GET_DMA_TAG(dev), NULL)) {
89 return (ENOMEM);
90 }
91 rid = 0;
92 sc->sc_otg.sc_io_res =
93 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
94
95 if (!(sc->sc_otg.sc_io_res)) {
96 err = ENOMEM;
97 goto error;
98 }
99 sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
100 sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
101
102 rid = 0;
103 sc->sc_otg.sc_irq_res =
104 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
105 if (!(sc->sc_otg.sc_irq_res)) {
106 goto error;
107 }
108 sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
109 if (!(sc->sc_otg.sc_bus.bdev)) {
110 goto error;
111 }
112 device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
113
114 err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
115 NULL, (driver_intr_t *)atmegadci_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
116 if (err) {
117 sc->sc_otg.sc_intr_hdl = NULL;
118 goto error;
119 }
120 err = atmegadci_init(&sc->sc_otg);
121 if (!err) {
122 err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
123 }
124 if (err) {
125 goto error;
126 }
127 return (0);
128
129error:
130 atmegadci_detach(dev);
131 return (ENXIO);
132}
133
134static int
135atmegadci_detach(device_t dev)
136{
137 struct atmegadci_super_softc *sc = device_get_softc(dev);
138 device_t bdev;
139 int err;
140
141 if (sc->sc_otg.sc_bus.bdev) {
142 bdev = sc->sc_otg.sc_bus.bdev;
143 device_detach(bdev);
144 device_delete_child(dev, bdev);
145 }
146 /* during module unload there are lots of children leftover */
147 device_delete_all_children(dev);
148
149 if (sc->sc_otg.sc_irq_res && sc->sc_otg.sc_intr_hdl) {
150 /*
151 * only call atmegadci_uninit() after atmegadci_init()
152 */
153 atmegadci_uninit(&sc->sc_otg);
154
155 err = bus_teardown_intr(dev, sc->sc_otg.sc_irq_res,
156 sc->sc_otg.sc_intr_hdl);
157 sc->sc_otg.sc_intr_hdl = NULL;
158 }
159 /* free IRQ channel, if any */
160 if (sc->sc_otg.sc_irq_res) {
161 bus_release_resource(dev, SYS_RES_IRQ, 0,
162 sc->sc_otg.sc_irq_res);
163 sc->sc_otg.sc_irq_res = NULL;
164 }
165 /* free memory resource, if any */
166 if (sc->sc_otg.sc_io_res) {
167 bus_release_resource(dev, SYS_RES_MEMORY, 0,
168 sc->sc_otg.sc_io_res);
169 sc->sc_otg.sc_io_res = NULL;
170 }
171 usb2_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
171 usb_bus_mem_free_all(&sc->sc_otg.sc_bus, NULL);
172
173 return (0);
174}
175
176static int
177atmegadci_shutdown(device_t dev)
178{
179 struct atmegadci_super_softc *sc = device_get_softc(dev);
180 int err;
181
182 err = bus_generic_shutdown(dev);
183 if (err)
184 return (err);
185
186 atmegadci_uninit(&sc->sc_otg);
187
188 return (0);
189}
190
191static device_method_t atmegadci_methods[] = {
192 /* Device interface */
193 DEVMETHOD(device_probe, atmegadci_probe),
194 DEVMETHOD(device_attach, atmegadci_attach),
195 DEVMETHOD(device_detach, atmegadci_detach),
196 DEVMETHOD(device_shutdown, atmegadci_shutdown),
197
198 /* Bus interface */
199 DEVMETHOD(bus_print_child, bus_generic_print_child),
200
201 {0, 0}
202};
203
204static driver_t atmegadci_driver = {
205 "atmegadci",
206 atmegadci_methods,
207 sizeof(struct atmegadci_super_softc),
208};
209
210static devclass_t atmegadci_devclass;
211
212DRIVER_MODULE(atmegadci, atmelarm, atmegadci_driver, atmegadci_devclass, 0, 0);
213MODULE_DEPEND(atmegadci, usb, 1, 1, 1);
172
173 return (0);
174}
175
176static int
177atmegadci_shutdown(device_t dev)
178{
179 struct atmegadci_super_softc *sc = device_get_softc(dev);
180 int err;
181
182 err = bus_generic_shutdown(dev);
183 if (err)
184 return (err);
185
186 atmegadci_uninit(&sc->sc_otg);
187
188 return (0);
189}
190
191static device_method_t atmegadci_methods[] = {
192 /* Device interface */
193 DEVMETHOD(device_probe, atmegadci_probe),
194 DEVMETHOD(device_attach, atmegadci_attach),
195 DEVMETHOD(device_detach, atmegadci_detach),
196 DEVMETHOD(device_shutdown, atmegadci_shutdown),
197
198 /* Bus interface */
199 DEVMETHOD(bus_print_child, bus_generic_print_child),
200
201 {0, 0}
202};
203
204static driver_t atmegadci_driver = {
205 "atmegadci",
206 atmegadci_methods,
207 sizeof(struct atmegadci_super_softc),
208};
209
210static devclass_t atmegadci_devclass;
211
212DRIVER_MODULE(atmegadci, atmelarm, atmegadci_driver, atmegadci_devclass, 0, 0);
213MODULE_DEPEND(atmegadci, usb, 1, 1, 1);