1 | /* $NetBSD: uftdi.c,v 1.62 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 2000 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Lennart Augustsson (lennart@augustsson.net). |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include <sys/cdefs.h> |
33 | __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.62 2016/07/07 06:55:42 msaitoh Exp $" ); |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/kernel.h> |
38 | #include <sys/device.h> |
39 | #include <sys/conf.h> |
40 | #include <sys/tty.h> |
41 | |
42 | #include <dev/usb/usb.h> |
43 | |
44 | #include <dev/usb/usbdi.h> |
45 | #include <dev/usb/usbdi_util.h> |
46 | #include <dev/usb/usbdevs.h> |
47 | |
48 | #include <dev/usb/ucomvar.h> |
49 | |
50 | #include <dev/usb/uftdireg.h> |
51 | |
52 | #ifdef UFTDI_DEBUG |
53 | #define DPRINTF(x) if (uftdidebug) printf x |
54 | #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x |
55 | int uftdidebug = 0; |
56 | #else |
57 | #define DPRINTF(x) |
58 | #define DPRINTFN(n,x) |
59 | #endif |
60 | |
61 | #define UFTDI_CONFIG_INDEX 0 |
62 | #define UFTDI_IFACE_INDEX 0 |
63 | #define UFTDI_MAX_PORTS 4 |
64 | |
65 | /* |
66 | * These are the default number of bytes transferred per frame if the |
67 | * endpoint doesn't tell us. The output buffer size is a hard limit |
68 | * for devices that use a 6-bit size encoding. |
69 | */ |
70 | #define UFTDIIBUFSIZE 64 |
71 | #define UFTDIOBUFSIZE 64 |
72 | |
73 | /* |
74 | * Magic constants! Where do these come from? They're what Linux uses... |
75 | */ |
76 | #define UFTDI_MAX_IBUFSIZE 512 |
77 | #define UFTDI_MAX_OBUFSIZE 256 |
78 | |
79 | struct uftdi_softc { |
80 | device_t sc_dev; /* base device */ |
81 | struct usbd_device * sc_udev; /* device */ |
82 | struct usbd_interface * sc_iface[UFTDI_MAX_PORTS]; /* interface */ |
83 | |
84 | enum uftdi_type sc_type; |
85 | u_int sc_hdrlen; |
86 | u_int sc_numports; |
87 | u_int sc_chiptype; |
88 | |
89 | u_char sc_msr; |
90 | u_char sc_lsr; |
91 | |
92 | device_t sc_subdev[UFTDI_MAX_PORTS]; |
93 | |
94 | u_char sc_dying; |
95 | |
96 | u_int last_lcr; |
97 | |
98 | }; |
99 | |
100 | Static void uftdi_get_status(void *, int, u_char *, u_char *); |
101 | Static void uftdi_set(void *, int, int, int); |
102 | Static int uftdi_param(void *, int, struct termios *); |
103 | Static int uftdi_open(void *, int); |
104 | Static void uftdi_read(void *, int, u_char **, uint32_t *); |
105 | Static void uftdi_write(void *, int, u_char *, u_char *, |
106 | uint32_t *); |
107 | Static void uftdi_break(void *, int, int); |
108 | |
109 | struct ucom_methods uftdi_methods = { |
110 | .ucom_get_status = uftdi_get_status, |
111 | .ucom_set = uftdi_set, |
112 | .ucom_param = uftdi_param, |
113 | .ucom_ioctl = NULL, |
114 | .ucom_open = uftdi_open, |
115 | .ucom_close = NULL, |
116 | .ucom_read = uftdi_read, |
117 | .ucom_write = uftdi_write, |
118 | }; |
119 | |
120 | /* |
121 | * The devices default to UFTDI_TYPE_8U232AM. |
122 | * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead |
123 | */ |
124 | static const struct usb_devno uftdi_devs[] = { |
125 | { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 }, |
126 | { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST }, |
127 | { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA }, |
128 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X }, |
129 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H }, |
130 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL }, |
131 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C }, |
132 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H }, |
133 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX }, |
134 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM }, |
135 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW }, |
136 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS }, |
137 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 }, |
138 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 }, |
139 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC }, |
140 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 }, |
141 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 }, |
142 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 }, |
143 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX }, |
144 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI }, |
145 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 }, |
146 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 }, |
147 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB }, |
148 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB }, |
149 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB }, |
150 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB }, |
151 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 }, |
152 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 }, |
153 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 }, |
154 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 }, |
155 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 }, |
156 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY }, |
157 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE }, |
158 | { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U }, |
159 | { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG }, |
160 | { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN }, |
161 | { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI }, |
162 | { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 }, |
163 | { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F }, |
164 | { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL }, |
165 | { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 }, |
166 | { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 }, |
167 | { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 }, |
168 | { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 }, |
169 | { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 }, |
170 | { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK }, |
171 | { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO }, |
172 | }; |
173 | #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p) |
174 | |
175 | int uftdi_match(device_t, cfdata_t, void *); |
176 | void uftdi_attach(device_t, device_t, void *); |
177 | void uftdi_childdet(device_t, device_t); |
178 | int uftdi_detach(device_t, int); |
179 | int uftdi_activate(device_t, enum devact); |
180 | extern struct cfdriver uftdi_cd; |
181 | CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match, |
182 | uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet); |
183 | |
184 | int |
185 | uftdi_match(device_t parent, cfdata_t match, void *aux) |
186 | { |
187 | struct usb_attach_arg *uaa = aux; |
188 | |
189 | DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n" , |
190 | uaa->uaa_vendor, uaa->uaa_product)); |
191 | |
192 | return uftdi_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
193 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
194 | } |
195 | |
196 | void |
197 | uftdi_attach(device_t parent, device_t self, void *aux) |
198 | { |
199 | struct uftdi_softc *sc = device_private(self); |
200 | struct usb_attach_arg *uaa = aux; |
201 | struct usbd_device *dev = uaa->uaa_device; |
202 | struct usbd_interface *iface; |
203 | usb_device_descriptor_t *ddesc; |
204 | usb_interface_descriptor_t *id; |
205 | usb_endpoint_descriptor_t *ed; |
206 | char *devinfop; |
207 | const char *devname = device_xname(self); |
208 | int i,idx; |
209 | usbd_status err; |
210 | struct ucom_attach_args ucaa; |
211 | |
212 | DPRINTFN(10,("\nuftdi_attach: sc=%p\n" , sc)); |
213 | |
214 | aprint_naive("\n" ); |
215 | aprint_normal("\n" ); |
216 | |
217 | devinfop = usbd_devinfo_alloc(dev, 0); |
218 | aprint_normal_dev(self, "%s\n" , devinfop); |
219 | usbd_devinfo_free(devinfop); |
220 | |
221 | /* Move the device into the configured state. */ |
222 | err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1); |
223 | if (err) { |
224 | aprint_error("\n%s: failed to set configuration, err=%s\n" , |
225 | devname, usbd_errstr(err)); |
226 | goto bad; |
227 | } |
228 | |
229 | sc->sc_dev = self; |
230 | sc->sc_udev = dev; |
231 | sc->sc_numports = 1; |
232 | sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */ |
233 | sc->sc_hdrlen = 0; |
234 | if (uaa->uaa_vendor == USB_VENDOR_FTDI |
235 | && uaa->uaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) { |
236 | sc->sc_type = UFTDI_TYPE_SIO; |
237 | sc->sc_hdrlen = 1; |
238 | } |
239 | |
240 | ddesc = usbd_get_device_descriptor(dev); |
241 | sc->sc_chiptype = UGETW(ddesc->bcdDevice); |
242 | switch (sc->sc_chiptype) { |
243 | case 0x500: /* 2232D */ |
244 | case 0x700: /* 2232H */ |
245 | sc->sc_numports = 2; |
246 | break; |
247 | case 0x800: /* 4232H */ |
248 | sc->sc_numports = 4; |
249 | break; |
250 | case 0x200: /* 232/245AM */ |
251 | case 0x400: /* 232/245BL */ |
252 | case 0x600: /* 232/245R */ |
253 | default: |
254 | break; |
255 | } |
256 | |
257 | for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) { |
258 | err = usbd_device2interface_handle(dev, idx, &iface); |
259 | if (err) { |
260 | aprint_error( |
261 | "\n%s: failed to get interface idx=%d, err=%s\n" , |
262 | devname, idx, usbd_errstr(err)); |
263 | goto bad; |
264 | } |
265 | |
266 | id = usbd_get_interface_descriptor(iface); |
267 | |
268 | sc->sc_iface[idx] = iface; |
269 | |
270 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
271 | ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0; |
272 | for (i = 0; i < id->bNumEndpoints; i++) { |
273 | int addr, dir, attr; |
274 | ed = usbd_interface2endpoint_descriptor(iface, i); |
275 | if (ed == NULL) { |
276 | aprint_error_dev(self, |
277 | "could not read endpoint descriptor: %s\n" , |
278 | usbd_errstr(err)); |
279 | goto bad; |
280 | } |
281 | |
282 | addr = ed->bEndpointAddress; |
283 | dir = UE_GET_DIR(ed->bEndpointAddress); |
284 | attr = ed->bmAttributes & UE_XFERTYPE; |
285 | if (dir == UE_DIR_IN && attr == UE_BULK) { |
286 | ucaa.ucaa_bulkin = addr; |
287 | ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize); |
288 | if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE) |
289 | ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE; |
290 | } else if (dir == UE_DIR_OUT && attr == UE_BULK) { |
291 | ucaa.ucaa_bulkout = addr; |
292 | ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize) |
293 | - sc->sc_hdrlen; |
294 | if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE) |
295 | ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE; |
296 | /* Limit length if we have a 6-bit header. */ |
297 | if ((sc->sc_hdrlen > 0) && |
298 | (ucaa.ucaa_obufsize > UFTDIOBUFSIZE)) |
299 | ucaa.ucaa_obufsize = UFTDIOBUFSIZE; |
300 | } else { |
301 | aprint_error_dev(self, |
302 | "unexpected endpoint\n" ); |
303 | goto bad; |
304 | } |
305 | } |
306 | if (ucaa.ucaa_bulkin == -1) { |
307 | aprint_error_dev(self, |
308 | "Could not find data bulk in\n" ); |
309 | goto bad; |
310 | } |
311 | if (ucaa.ucaa_bulkout == -1) { |
312 | aprint_error_dev(self, |
313 | "Could not find data bulk out\n" ); |
314 | goto bad; |
315 | } |
316 | |
317 | ucaa.ucaa_portno = FTDI_PIT_SIOA + idx; |
318 | /* ucaa_bulkin, ucaa_bulkout set above */ |
319 | if (ucaa.ucaa_ibufsize == 0) |
320 | ucaa.ucaa_ibufsize = UFTDIIBUFSIZE; |
321 | ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize; |
322 | if (ucaa.ucaa_obufsize == 0) |
323 | ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen; |
324 | ucaa.ucaa_opkthdrlen = sc->sc_hdrlen; |
325 | ucaa.ucaa_device = dev; |
326 | ucaa.ucaa_iface = iface; |
327 | ucaa.ucaa_methods = &uftdi_methods; |
328 | ucaa.ucaa_arg = sc; |
329 | ucaa.ucaa_info = NULL; |
330 | |
331 | DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n" , |
332 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, |
333 | ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize)); |
334 | sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus" , NULL, |
335 | &ucaa, ucomprint, ucomsubmatch); |
336 | } |
337 | |
338 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
339 | |
340 | return; |
341 | |
342 | bad: |
343 | DPRINTF(("uftdi_attach: ATTACH ERROR\n" )); |
344 | sc->sc_dying = 1; |
345 | return; |
346 | } |
347 | |
348 | int |
349 | uftdi_activate(device_t self, enum devact act) |
350 | { |
351 | struct uftdi_softc *sc = device_private(self); |
352 | |
353 | switch (act) { |
354 | case DVACT_DEACTIVATE: |
355 | sc->sc_dying = 1; |
356 | return 0; |
357 | default: |
358 | return EOPNOTSUPP; |
359 | } |
360 | } |
361 | |
362 | void |
363 | uftdi_childdet(device_t self, device_t child) |
364 | { |
365 | int i; |
366 | struct uftdi_softc *sc = device_private(self); |
367 | |
368 | for (i = 0; i < sc->sc_numports; i++) { |
369 | if (sc->sc_subdev[i] == child) |
370 | break; |
371 | } |
372 | KASSERT(i < sc->sc_numports); |
373 | sc->sc_subdev[i] = NULL; |
374 | } |
375 | |
376 | int |
377 | uftdi_detach(device_t self, int flags) |
378 | { |
379 | struct uftdi_softc *sc = device_private(self); |
380 | int i; |
381 | |
382 | DPRINTF(("uftdi_detach: sc=%p flags=%d\n" , sc, flags)); |
383 | sc->sc_dying = 1; |
384 | for (i=0; i < sc->sc_numports; i++) { |
385 | if (sc->sc_subdev[i] != NULL) |
386 | config_detach(sc->sc_subdev[i], flags); |
387 | } |
388 | |
389 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
390 | |
391 | return 0; |
392 | } |
393 | |
394 | Static int |
395 | uftdi_open(void *vsc, int portno) |
396 | { |
397 | struct uftdi_softc *sc = vsc; |
398 | usb_device_request_t req; |
399 | usbd_status err; |
400 | struct termios t; |
401 | |
402 | DPRINTF(("uftdi_open: sc=%p\n" , sc)); |
403 | |
404 | if (sc->sc_dying) |
405 | return EIO; |
406 | |
407 | /* Perform a full reset on the device */ |
408 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
409 | req.bRequest = FTDI_SIO_RESET; |
410 | USETW(req.wValue, FTDI_SIO_RESET_SIO); |
411 | USETW(req.wIndex, portno); |
412 | USETW(req.wLength, 0); |
413 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
414 | if (err) |
415 | return EIO; |
416 | |
417 | /* Set 9600 baud, 2 stop bits, no parity, 8 bits */ |
418 | t.c_ospeed = 9600; |
419 | t.c_cflag = CSTOPB | CS8; |
420 | (void)uftdi_param(sc, portno, &t); |
421 | |
422 | /* Turn on RTS/CTS flow control */ |
423 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
424 | req.bRequest = FTDI_SIO_SET_FLOW_CTRL; |
425 | USETW(req.wValue, 0); |
426 | USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno); |
427 | USETW(req.wLength, 0); |
428 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
429 | if (err) |
430 | return EIO; |
431 | |
432 | return 0; |
433 | } |
434 | |
435 | Static void |
436 | uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count) |
437 | { |
438 | struct uftdi_softc *sc = vsc; |
439 | u_char msr, lsr; |
440 | |
441 | DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n" , sc, portno, |
442 | *count)); |
443 | |
444 | msr = FTDI_GET_MSR(*ptr); |
445 | lsr = FTDI_GET_LSR(*ptr); |
446 | |
447 | #ifdef UFTDI_DEBUG |
448 | if (*count != 2) |
449 | DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]=" |
450 | "0x%02x\n" , sc, portno, *count, (*ptr)[2])); |
451 | #endif |
452 | |
453 | if (sc->sc_msr != msr || |
454 | (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) { |
455 | DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) " |
456 | "lsr=0x%02x(0x%02x)\n" , msr, sc->sc_msr, |
457 | lsr, sc->sc_lsr)); |
458 | sc->sc_msr = msr; |
459 | sc->sc_lsr = lsr; |
460 | ucom_status_change(device_private(sc->sc_subdev[portno-1])); |
461 | } |
462 | |
463 | /* Adjust buffer pointer to skip status prefix */ |
464 | *ptr += 2; |
465 | } |
466 | |
467 | Static void |
468 | uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count) |
469 | { |
470 | struct uftdi_softc *sc = vsc; |
471 | |
472 | DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n" , |
473 | vsc, portno, *count, from[0])); |
474 | |
475 | /* Make length tag and copy data */ |
476 | if (sc->sc_hdrlen > 0) |
477 | *to = FTDI_OUT_TAG(*count, portno); |
478 | |
479 | memcpy(to + sc->sc_hdrlen, from, *count); |
480 | *count += sc->sc_hdrlen; |
481 | } |
482 | |
483 | Static void |
484 | uftdi_set(void *vsc, int portno, int reg, int onoff) |
485 | { |
486 | struct uftdi_softc *sc = vsc; |
487 | usb_device_request_t req; |
488 | int ctl; |
489 | |
490 | DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n" , vsc, portno, |
491 | reg, onoff)); |
492 | |
493 | switch (reg) { |
494 | case UCOM_SET_DTR: |
495 | ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW; |
496 | break; |
497 | case UCOM_SET_RTS: |
498 | ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW; |
499 | break; |
500 | case UCOM_SET_BREAK: |
501 | uftdi_break(sc, portno, onoff); |
502 | return; |
503 | default: |
504 | return; |
505 | } |
506 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
507 | req.bRequest = FTDI_SIO_MODEM_CTRL; |
508 | USETW(req.wValue, ctl); |
509 | USETW(req.wIndex, portno); |
510 | USETW(req.wLength, 0); |
511 | DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x " |
512 | "index=0x%04x len=%d\n" , req.bmRequestType, req.bRequest, |
513 | UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); |
514 | (void)usbd_do_request(sc->sc_udev, &req, NULL); |
515 | } |
516 | |
517 | Static int |
518 | uftdi_param(void *vsc, int portno, struct termios *t) |
519 | { |
520 | struct uftdi_softc *sc = vsc; |
521 | usb_device_request_t req; |
522 | usbd_status err; |
523 | int rate, data, flow; |
524 | |
525 | DPRINTF(("uftdi_param: sc=%p\n" , sc)); |
526 | |
527 | if (sc->sc_dying) |
528 | return EIO; |
529 | |
530 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
531 | req.bRequest = FTDI_SIO_SET_BITMODE; |
532 | USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00); |
533 | USETW(req.wIndex, portno); |
534 | USETW(req.wLength, 0); |
535 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
536 | if (err) |
537 | return EIO; |
538 | |
539 | switch (sc->sc_type) { |
540 | case UFTDI_TYPE_SIO: |
541 | switch (t->c_ospeed) { |
542 | case 300: rate = ftdi_sio_b300; break; |
543 | case 600: rate = ftdi_sio_b600; break; |
544 | case 1200: rate = ftdi_sio_b1200; break; |
545 | case 2400: rate = ftdi_sio_b2400; break; |
546 | case 4800: rate = ftdi_sio_b4800; break; |
547 | case 9600: rate = ftdi_sio_b9600; break; |
548 | case 19200: rate = ftdi_sio_b19200; break; |
549 | case 38400: rate = ftdi_sio_b38400; break; |
550 | case 57600: rate = ftdi_sio_b57600; break; |
551 | case 115200: rate = ftdi_sio_b115200; break; |
552 | default: |
553 | return EINVAL; |
554 | } |
555 | break; |
556 | |
557 | case UFTDI_TYPE_8U232AM: |
558 | switch(t->c_ospeed) { |
559 | case 300: rate = ftdi_8u232am_b300; break; |
560 | case 600: rate = ftdi_8u232am_b600; break; |
561 | case 1200: rate = ftdi_8u232am_b1200; break; |
562 | case 2400: rate = ftdi_8u232am_b2400; break; |
563 | case 4800: rate = ftdi_8u232am_b4800; break; |
564 | case 9600: rate = ftdi_8u232am_b9600; break; |
565 | case 19200: rate = ftdi_8u232am_b19200; break; |
566 | case 38400: rate = ftdi_8u232am_b38400; break; |
567 | case 57600: rate = ftdi_8u232am_b57600; break; |
568 | case 115200: rate = ftdi_8u232am_b115200; break; |
569 | case 230400: rate = ftdi_8u232am_b230400; break; |
570 | case 460800: rate = ftdi_8u232am_b460800; break; |
571 | case 921600: rate = ftdi_8u232am_b921600; break; |
572 | default: |
573 | return EINVAL; |
574 | } |
575 | break; |
576 | |
577 | default: |
578 | return EINVAL; |
579 | } |
580 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
581 | req.bRequest = FTDI_SIO_SET_BAUD_RATE; |
582 | USETW(req.wValue, rate); |
583 | USETW(req.wIndex, portno); |
584 | USETW(req.wLength, 0); |
585 | DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " |
586 | "index=0x%04x len=%d\n" , req.bmRequestType, req.bRequest, |
587 | UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); |
588 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
589 | if (err) |
590 | return EIO; |
591 | |
592 | if (ISSET(t->c_cflag, CSTOPB)) |
593 | data = FTDI_SIO_SET_DATA_STOP_BITS_2; |
594 | else |
595 | data = FTDI_SIO_SET_DATA_STOP_BITS_1; |
596 | if (ISSET(t->c_cflag, PARENB)) { |
597 | if (ISSET(t->c_cflag, PARODD)) |
598 | data |= FTDI_SIO_SET_DATA_PARITY_ODD; |
599 | else |
600 | data |= FTDI_SIO_SET_DATA_PARITY_EVEN; |
601 | } else |
602 | data |= FTDI_SIO_SET_DATA_PARITY_NONE; |
603 | switch (ISSET(t->c_cflag, CSIZE)) { |
604 | case CS5: |
605 | data |= FTDI_SIO_SET_DATA_BITS(5); |
606 | break; |
607 | case CS6: |
608 | data |= FTDI_SIO_SET_DATA_BITS(6); |
609 | break; |
610 | case CS7: |
611 | data |= FTDI_SIO_SET_DATA_BITS(7); |
612 | break; |
613 | case CS8: |
614 | data |= FTDI_SIO_SET_DATA_BITS(8); |
615 | break; |
616 | } |
617 | sc->last_lcr = data; |
618 | |
619 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
620 | req.bRequest = FTDI_SIO_SET_DATA; |
621 | USETW(req.wValue, data); |
622 | USETW(req.wIndex, portno); |
623 | USETW(req.wLength, 0); |
624 | DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x " |
625 | "index=0x%04x len=%d\n" , req.bmRequestType, req.bRequest, |
626 | UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength))); |
627 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
628 | if (err) |
629 | return EIO; |
630 | |
631 | if (ISSET(t->c_cflag, CRTSCTS)) { |
632 | flow = FTDI_SIO_RTS_CTS_HS; |
633 | USETW(req.wValue, 0); |
634 | } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) { |
635 | flow = FTDI_SIO_XON_XOFF_HS; |
636 | USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]); |
637 | } else { |
638 | flow = FTDI_SIO_DISABLE_FLOW_CTRL; |
639 | USETW(req.wValue, 0); |
640 | } |
641 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
642 | req.bRequest = FTDI_SIO_SET_FLOW_CTRL; |
643 | USETW2(req.wIndex, flow, portno); |
644 | USETW(req.wLength, 0); |
645 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
646 | if (err) |
647 | return EIO; |
648 | |
649 | return 0; |
650 | } |
651 | |
652 | void |
653 | uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) |
654 | { |
655 | struct uftdi_softc *sc = vsc; |
656 | |
657 | DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n" , |
658 | sc->sc_msr, sc->sc_lsr)); |
659 | |
660 | if (msr != NULL) |
661 | *msr = sc->sc_msr; |
662 | if (lsr != NULL) |
663 | *lsr = sc->sc_lsr; |
664 | } |
665 | |
666 | void |
667 | uftdi_break(void *vsc, int portno, int onoff) |
668 | { |
669 | struct uftdi_softc *sc = vsc; |
670 | usb_device_request_t req; |
671 | int data; |
672 | |
673 | DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n" , vsc, portno, |
674 | onoff)); |
675 | |
676 | if (onoff) { |
677 | data = sc->last_lcr | FTDI_SIO_SET_BREAK; |
678 | } else { |
679 | data = sc->last_lcr; |
680 | } |
681 | |
682 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
683 | req.bRequest = FTDI_SIO_SET_DATA; |
684 | USETW(req.wValue, data); |
685 | USETW(req.wIndex, portno); |
686 | USETW(req.wLength, 0); |
687 | (void)usbd_do_request(sc->sc_udev, &req, NULL); |
688 | } |
689 | |