This source file includes following definitions.
- uark_match
- uark_attach
- uark_detach
- uark_activate
- uark_set
- uark_param
- ISSET
- uark_get_status
- uark_break
- uark_cmd
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19 #include <sys/param.h>
20 #include <sys/systm.h>
21 #include <sys/kernel.h>
22 #include <sys/conf.h>
23 #include <sys/tty.h>
24 #include <sys/device.h>
25
26 #include <dev/usb/usb.h>
27 #include <dev/usb/usbdi.h>
28 #include <dev/usb/usbdi_util.h>
29 #include <dev/usb/usbdevs.h>
30
31 #include <dev/usb/usbdevs.h>
32 #include <dev/usb/ucomvar.h>
33
34 #ifdef UARK_DEBUG
35 #define DPRINTFN(n, x) do { if (uarkdebug > (n)) printf x; } while (0)
36 int uarkebug = 0;
37 #else
38 #define DPRINTFN(n, x)
39 #endif
40 #define DPRINTF(x) DPRINTFN(0, x)
41
42 #define UARKBUFSZ 256
43 #define UARK_CONFIG_NO 0
44 #define UARK_IFACE_NO 0
45
46 #define UARK_SET_DATA_BITS(x) (x - 5)
47
48 #define UARK_PARITY_NONE 0x00
49 #define UARK_PARITY_ODD 0x08
50 #define UARK_PARITY_EVEN 0x18
51
52 #define UARK_STOP_BITS_1 0x00
53 #define UARK_STOP_BITS_2 0x04
54
55 #define UARK_BAUD_REF 3000000
56
57 #define UARK_WRITE 0x40
58 #define UARK_READ 0xc0
59
60 #define UARK_REQUEST 0xfe
61
62 struct uark_softc {
63 struct device sc_dev;
64 usbd_device_handle sc_udev;
65 usbd_interface_handle sc_iface;
66 struct device *sc_subdev;
67
68 u_char sc_msr;
69 u_char sc_lsr;
70
71 u_char sc_dying;
72 };
73
74 void uark_get_status(void *, int portno, u_char *lsr, u_char *msr);
75 void uark_set(void *, int, int, int);
76 int uark_param(void *, int, struct termios *);
77 int uark_open(void *sc, int);
78 void uark_break(void *, int, int);
79 int uark_cmd(struct uark_softc *, uint16_t, uint16_t);
80
81 struct ucom_methods uark_methods = {
82 uark_get_status,
83 uark_set,
84 uark_param,
85 NULL,
86 NULL,
87 NULL,
88 NULL,
89 NULL,
90 };
91
92 static const struct usb_devno uark_devs[] = {
93 { USB_VENDOR_ARKMICRO, USB_PRODUCT_ARKMICRO_ARK3116 }
94 };
95
96 int uark_match(struct device *, void *, void *);
97 void uark_attach(struct device *, struct device *, void *);
98 int uark_detach(struct device *, int);
99 int uark_activate(struct device *, enum devact);
100
101 struct cfdriver uark_cd = {
102 NULL, "uark", DV_DULL
103 };
104
105 const struct cfattach uark_ca = {
106 sizeof(struct uark_softc),
107 uark_match,
108 uark_attach,
109 uark_detach,
110 uark_activate,
111 };
112
113 int
114 uark_match(struct device *parent, void *match, void *aux)
115 {
116 struct usb_attach_arg *uaa = aux;
117
118 if (uaa->iface != NULL)
119 return UMATCH_NONE;
120
121 return (usb_lookup(uark_devs, uaa->vendor, uaa->product) != NULL) ?
122 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
123 }
124
125 void
126 uark_attach(struct device *parent, struct device *self, void *aux)
127 {
128 struct uark_softc *sc = (struct uark_softc *)self;
129 struct usb_attach_arg *uaa = aux;
130 struct ucom_attach_args uca;
131 usb_interface_descriptor_t *id;
132 usb_endpoint_descriptor_t *ed;
133 usbd_status error;
134 char *devinfop;
135 int i;
136
137 bzero(&uca, sizeof(uca));
138 sc->sc_udev = uaa->device;
139 devinfop = usbd_devinfo_alloc(uaa->device, 0);
140 printf("\n%s: %s\n", sc->sc_dev.dv_xname, devinfop);
141 usbd_devinfo_free(devinfop);
142
143 if (usbd_set_config_index(sc->sc_udev, UARK_CONFIG_NO, 1) != 0) {
144 printf("%s: could not set configuration no\n",
145 sc->sc_dev.dv_xname);
146 sc->sc_dying = 1;
147 return;
148 }
149
150
151 error = usbd_device2interface_handle(sc->sc_udev, UARK_IFACE_NO,
152 &sc->sc_iface);
153 if (error != 0) {
154 printf("%s: could not get interface handle\n",
155 sc->sc_dev.dv_xname);
156 sc->sc_dying = 1;
157 return;
158 }
159
160 id = usbd_get_interface_descriptor(sc->sc_iface);
161
162 uca.bulkin = uca.bulkout = -1;
163 for (i = 0; i < id->bNumEndpoints; i++) {
164 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
165 if (ed == NULL) {
166 printf("%s: no endpoint descriptor found for %d\n",
167 sc->sc_dev.dv_xname, i);
168 sc->sc_dying = 1;
169 return;
170 }
171
172 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
173 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
174 uca.bulkin = ed->bEndpointAddress;
175 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
176 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
177 uca.bulkout = ed->bEndpointAddress;
178 }
179
180 if (uca.bulkin == -1 || uca.bulkout == -1) {
181 printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
182 sc->sc_dying = 1;
183 return;
184 }
185
186 uca.ibufsize = UARKBUFSZ;
187 uca.obufsize = UARKBUFSZ;
188 uca.ibufsizepad = UARKBUFSZ;
189 uca.opkthdrlen = 0;
190 uca.device = sc->sc_udev;
191 uca.iface = sc->sc_iface;
192 uca.methods = &uark_methods;
193 uca.arg = sc;
194 uca.info = NULL;
195
196 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
197 &sc->sc_dev);
198
199 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
200 }
201
202 int
203 uark_detach(struct device *self, int flags)
204 {
205 struct uark_softc *sc = (struct uark_softc *)self;
206 int rv = 0;
207
208 sc->sc_dying = 1;
209 if (sc->sc_subdev != NULL) {
210 rv = config_detach(sc->sc_subdev, flags);
211 sc->sc_subdev = NULL;
212 }
213
214 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
215 &sc->sc_dev);
216
217 return (rv);
218 }
219
220 int
221 uark_activate(struct device *self, enum devact act)
222 {
223 struct uark_softc *sc = (struct uark_softc *)self;
224 int rv = 0;
225
226 switch (act) {
227 case DVACT_ACTIVATE:
228 break;
229
230 case DVACT_DEACTIVATE:
231 if (sc->sc_subdev != NULL)
232 rv = config_deactivate(sc->sc_subdev);
233 sc->sc_dying = 1;
234 break;
235 }
236 return (rv);
237 }
238
239 void
240 uark_set(void *vsc, int portno, int reg, int onoff)
241 {
242 struct uark_softc *sc = vsc;
243
244 switch (reg) {
245 case UCOM_SET_BREAK:
246 uark_break(sc, portno, onoff);
247 return;
248 case UCOM_SET_DTR:
249 case UCOM_SET_RTS:
250 default:
251 return;
252 }
253 }
254
255 int
256 uark_param(void *vsc, int portno, struct termios *t)
257 {
258 struct uark_softc *sc = (struct uark_softc *)vsc;
259 int data;
260
261 switch (t->c_ospeed) {
262 case 300:
263 case 600:
264 case 1200:
265 case 1800:
266 case 2400:
267 case 4800:
268 case 9600:
269 case 19200:
270 case 38400:
271 case 57600:
272 case 115200:
273 uark_cmd(sc, 3, 0x83);
274 uark_cmd(sc, 0, (UARK_BAUD_REF / t->c_ospeed) & 0xFF);
275 uark_cmd(sc, 1, (UARK_BAUD_REF / t->c_ospeed) >> 8);
276 uark_cmd(sc, 3, 0x03);
277 break;
278 default:
279 return (EINVAL);
280 }
281
282 if (ISSET(t->c_cflag, CSTOPB))
283 data = UARK_STOP_BITS_2;
284 else
285 data = UARK_STOP_BITS_1;
286
287 if (ISSET(t->c_cflag, PARENB)) {
288 if (ISSET(t->c_cflag, PARODD))
289 data |= UARK_PARITY_ODD;
290 else
291 data |= UARK_PARITY_EVEN;
292 } else
293 data |= UARK_PARITY_NONE;
294
295 switch (ISSET(t->c_cflag, CSIZE)) {
296 case CS5:
297 data |= UARK_SET_DATA_BITS(5);
298 break;
299 case CS6:
300 data |= UARK_SET_DATA_BITS(6);
301 break;
302 case CS7:
303 data |= UARK_SET_DATA_BITS(7);
304 break;
305 case CS8:
306 data |= UARK_SET_DATA_BITS(8);
307 break;
308 }
309
310 uark_cmd(sc, 3, 0x00);
311 uark_cmd(sc, 3, data);
312
313 #if 0
314
315 if (ISSET(t->c_cflag, CRTSCTS))
316
317 } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
318
319 } else {
320
321 }
322 #endif
323
324 return (0);
325 }
326
327 void
328 uark_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
329 {
330 struct uark_softc *sc = vsc;
331
332 if (msr != NULL)
333 *msr = sc->sc_msr;
334 if (lsr != NULL)
335 *lsr = sc->sc_lsr;
336 }
337
338 void
339 uark_break(void *vsc, int portno, int onoff)
340 {
341 #ifdef UARK_DEBUG
342 struct uark_softc *sc = vsc;
343
344 printf("%s: break %s!\n", sc->sc_dev.dv_xname,
345 onoff ? "on" : "off");
346
347 if (onoff)
348
349 uark_cmd(sc, 4, 0x01);
350 else
351 uark_cmd(sc, 4, 0x00);
352 #endif
353 }
354
355 int
356 uark_cmd(struct uark_softc *sc, uint16_t index, uint16_t value)
357 {
358 usb_device_request_t req;
359 usbd_status err;
360
361 req.bmRequestType = UARK_WRITE;
362 req.bRequest = UARK_REQUEST;
363 USETW(req.wValue, value);
364 USETW(req.wIndex, index);
365 USETW(req.wLength, 0);
366 err = usbd_do_request(sc->sc_udev, &req, NULL);
367
368 if (err)
369 return (EIO);
370
371 return (0);
372 }