uark.c revision 1.1.2.3
1 1.1.2.2 rmind /* $NetBSD: uark.c,v 1.1.2.3 2011/03/05 20:54:13 rmind Exp $ */ 2 1.1.2.2 rmind /* $OpenBSD: uark.c,v 1.13 2009/10/13 19:33:17 pirofti Exp $ */ 3 1.1.2.2 rmind 4 1.1.2.2 rmind /* 5 1.1.2.2 rmind * Copyright (c) 2006 Jonathan Gray <jsg (at) openbsd.org> 6 1.1.2.2 rmind * 7 1.1.2.2 rmind * Permission to use, copy, modify, and distribute this software for any 8 1.1.2.2 rmind * purpose with or without fee is hereby granted, provided that the above 9 1.1.2.2 rmind * copyright notice and this permission notice appear in all copies. 10 1.1.2.2 rmind * 11 1.1.2.2 rmind * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.1.2.2 rmind * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.1.2.2 rmind * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.1.2.2 rmind * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.1.2.2 rmind * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.1.2.2 rmind * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.1.2.2 rmind * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.1.2.2 rmind */ 19 1.1.2.2 rmind 20 1.1.2.2 rmind #include <sys/param.h> 21 1.1.2.2 rmind #include <sys/systm.h> 22 1.1.2.2 rmind #include <sys/kernel.h> 23 1.1.2.2 rmind #include <sys/conf.h> 24 1.1.2.2 rmind #include <sys/tty.h> 25 1.1.2.2 rmind #include <sys/device.h> 26 1.1.2.2 rmind 27 1.1.2.2 rmind #include <dev/usb/usb.h> 28 1.1.2.2 rmind #include <dev/usb/usbdi.h> 29 1.1.2.2 rmind #include <dev/usb/usbdi_util.h> 30 1.1.2.2 rmind #include <dev/usb/usbdevs.h> 31 1.1.2.2 rmind 32 1.1.2.2 rmind #include <dev/usb/ucomvar.h> 33 1.1.2.2 rmind 34 1.1.2.2 rmind #ifdef UARK_DEBUG 35 1.1.2.2 rmind #define DPRINTFN(n, x) do { if (uarkdebug > (n)) printf x; } while (0) 36 1.1.2.2 rmind int uarkebug = 0; 37 1.1.2.2 rmind #else 38 1.1.2.2 rmind #define DPRINTFN(n, x) 39 1.1.2.2 rmind #endif 40 1.1.2.2 rmind #define DPRINTF(x) DPRINTFN(0, x) 41 1.1.2.2 rmind 42 1.1.2.2 rmind #define UARKBUFSZ 256 43 1.1.2.2 rmind #define UARK_CONFIG_NO 0 44 1.1.2.2 rmind #define UARK_IFACE_NO 0 45 1.1.2.2 rmind 46 1.1.2.2 rmind #define UARK_SET_DATA_BITS(x) (x - 5) 47 1.1.2.2 rmind 48 1.1.2.2 rmind #define UARK_PARITY_NONE 0x00 49 1.1.2.2 rmind #define UARK_PARITY_ODD 0x08 50 1.1.2.2 rmind #define UARK_PARITY_EVEN 0x18 51 1.1.2.2 rmind 52 1.1.2.2 rmind #define UARK_STOP_BITS_1 0x00 53 1.1.2.2 rmind #define UARK_STOP_BITS_2 0x04 54 1.1.2.2 rmind 55 1.1.2.2 rmind #define UARK_BAUD_REF 3000000 56 1.1.2.2 rmind 57 1.1.2.2 rmind #define UARK_WRITE 0x40 58 1.1.2.2 rmind #define UARK_READ 0xc0 59 1.1.2.2 rmind 60 1.1.2.2 rmind #define UARK_REQUEST 0xfe 61 1.1.2.2 rmind 62 1.1.2.2 rmind struct uark_softc { 63 1.1.2.2 rmind struct device *sc_dev; 64 1.1.2.2 rmind usbd_device_handle sc_udev; 65 1.1.2.2 rmind usbd_interface_handle sc_iface; 66 1.1.2.2 rmind struct device *sc_subdev; 67 1.1.2.2 rmind 68 1.1.2.2 rmind u_char sc_msr; 69 1.1.2.2 rmind u_char sc_lsr; 70 1.1.2.2 rmind 71 1.1.2.2 rmind u_char sc_dying; 72 1.1.2.2 rmind }; 73 1.1.2.2 rmind 74 1.1.2.2 rmind void uark_get_status(void *, int portno, u_char *lsr, u_char *msr); 75 1.1.2.2 rmind void uark_set(void *, int, int, int); 76 1.1.2.2 rmind int uark_param(void *, int, struct termios *); 77 1.1.2.2 rmind void uark_break(void *, int, int); 78 1.1.2.2 rmind int uark_cmd(struct uark_softc *, uint16_t, uint16_t); 79 1.1.2.2 rmind 80 1.1.2.2 rmind struct ucom_methods uark_methods = { 81 1.1.2.2 rmind uark_get_status, 82 1.1.2.2 rmind uark_set, 83 1.1.2.2 rmind uark_param, 84 1.1.2.2 rmind NULL, 85 1.1.2.2 rmind NULL, 86 1.1.2.2 rmind NULL, 87 1.1.2.2 rmind NULL, 88 1.1.2.2 rmind NULL, 89 1.1.2.2 rmind }; 90 1.1.2.2 rmind 91 1.1.2.2 rmind static const struct usb_devno uark_devs[] = { 92 1.1.2.2 rmind { USB_VENDOR_ARKMICROCHIPS, USB_PRODUCT_ARKMICROCHIPS_USBSERIAL }, 93 1.1.2.2 rmind }; 94 1.1.2.2 rmind 95 1.1.2.3 rmind int uark_match(device_t, cfdata_t, void *); 96 1.1.2.3 rmind void uark_attach(device_t, device_t, void *); 97 1.1.2.3 rmind int uark_detach(device_t, int); 98 1.1.2.3 rmind int uark_activate(device_t, enum devact); 99 1.1.2.3 rmind extern struct cfdriver uark_cd; 100 1.1.2.3 rmind CFATTACH_DECL_NEW(uark, sizeof(struct uark_softc), uark_match, uark_attach, uark_detach, uark_activate); 101 1.1.2.2 rmind 102 1.1.2.3 rmind int 103 1.1.2.3 rmind uark_match(device_t parent, cfdata_t match, void *aux) 104 1.1.2.2 rmind { 105 1.1.2.3 rmind struct usb_attach_arg *uaa = aux; 106 1.1.2.2 rmind 107 1.1.2.2 rmind return (usb_lookup(uark_devs, uaa->vendor, uaa->product) != NULL) ? 108 1.1.2.2 rmind UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 109 1.1.2.2 rmind } 110 1.1.2.2 rmind 111 1.1.2.3 rmind void 112 1.1.2.3 rmind uark_attach(device_t parent, device_t self, void *aux) 113 1.1.2.2 rmind { 114 1.1.2.3 rmind struct uark_softc *sc = device_private(self); 115 1.1.2.3 rmind struct usb_attach_arg *uaa = aux; 116 1.1.2.2 rmind usbd_device_handle dev = uaa->device; 117 1.1.2.2 rmind char *devinfop; 118 1.1.2.2 rmind struct ucom_attach_args uca; 119 1.1.2.2 rmind usb_interface_descriptor_t *id; 120 1.1.2.2 rmind usb_endpoint_descriptor_t *ed; 121 1.1.2.2 rmind usbd_status error; 122 1.1.2.2 rmind int i; 123 1.1.2.2 rmind 124 1.1.2.2 rmind memset(&uca, 0, sizeof(uca)); 125 1.1.2.2 rmind sc->sc_dev = self; 126 1.1.2.2 rmind 127 1.1.2.2 rmind devinfop = usbd_devinfo_alloc(dev, 0); 128 1.1.2.3 rmind aprint_naive("\n"); 129 1.1.2.3 rmind aprint_normal("\n"); 130 1.1.2.2 rmind aprint_normal_dev(self, "%s\n", devinfop); 131 1.1.2.2 rmind usbd_devinfo_free(devinfop); 132 1.1.2.2 rmind 133 1.1.2.2 rmind sc->sc_udev = dev; 134 1.1.2.2 rmind 135 1.1.2.2 rmind if (usbd_set_config_index(sc->sc_udev, UARK_CONFIG_NO, 1) != 0) { 136 1.1.2.2 rmind aprint_error_dev(self, "could not set configuration no\n"); 137 1.1.2.2 rmind sc->sc_dying = 1; 138 1.1.2.2 rmind return; 139 1.1.2.2 rmind } 140 1.1.2.2 rmind 141 1.1.2.2 rmind /* get the first interface handle */ 142 1.1.2.2 rmind error = usbd_device2interface_handle(sc->sc_udev, UARK_IFACE_NO, 143 1.1.2.2 rmind &sc->sc_iface); 144 1.1.2.2 rmind if (error != 0) { 145 1.1.2.2 rmind aprint_error_dev(self, "could not get interface handle\n"); 146 1.1.2.2 rmind sc->sc_dying = 1; 147 1.1.2.2 rmind return; 148 1.1.2.2 rmind } 149 1.1.2.2 rmind 150 1.1.2.2 rmind id = usbd_get_interface_descriptor(sc->sc_iface); 151 1.1.2.2 rmind 152 1.1.2.2 rmind uca.bulkin = uca.bulkout = -1; 153 1.1.2.2 rmind for (i = 0; i < id->bNumEndpoints; i++) { 154 1.1.2.2 rmind ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 155 1.1.2.2 rmind if (ed == NULL) { 156 1.1.2.2 rmind aprint_error_dev(self, "no endpoint descriptor found for %d\n", 157 1.1.2.2 rmind i); 158 1.1.2.2 rmind sc->sc_dying = 1; 159 1.1.2.2 rmind return; 160 1.1.2.2 rmind } 161 1.1.2.2 rmind 162 1.1.2.2 rmind if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 163 1.1.2.2 rmind UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 164 1.1.2.2 rmind uca.bulkin = ed->bEndpointAddress; 165 1.1.2.2 rmind else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 166 1.1.2.2 rmind UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 167 1.1.2.2 rmind uca.bulkout = ed->bEndpointAddress; 168 1.1.2.2 rmind } 169 1.1.2.2 rmind 170 1.1.2.2 rmind if (uca.bulkin == -1 || uca.bulkout == -1) { 171 1.1.2.2 rmind aprint_error_dev(self, "missing endpoint\n"); 172 1.1.2.2 rmind sc->sc_dying = 1; 173 1.1.2.2 rmind return; 174 1.1.2.2 rmind } 175 1.1.2.2 rmind 176 1.1.2.2 rmind uca.ibufsize = UARKBUFSZ; 177 1.1.2.2 rmind uca.obufsize = UARKBUFSZ; 178 1.1.2.2 rmind uca.ibufsizepad = UARKBUFSZ; 179 1.1.2.2 rmind uca.opkthdrlen = 0; 180 1.1.2.2 rmind uca.device = sc->sc_udev; 181 1.1.2.2 rmind uca.iface = sc->sc_iface; 182 1.1.2.2 rmind uca.methods = &uark_methods; 183 1.1.2.2 rmind uca.arg = sc; 184 1.1.2.2 rmind uca.info = NULL; 185 1.1.2.2 rmind 186 1.1.2.2 rmind usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 187 1.1.2.2 rmind sc->sc_dev); 188 1.1.2.2 rmind 189 1.1.2.2 rmind sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 190 1.1.2.2 rmind ucomprint, ucomsubmatch); 191 1.1.2.2 rmind 192 1.1.2.3 rmind return; 193 1.1.2.2 rmind } 194 1.1.2.2 rmind 195 1.1.2.2 rmind int 196 1.1.2.2 rmind uark_detach(struct device *self, int flags) 197 1.1.2.2 rmind { 198 1.1.2.2 rmind struct uark_softc *sc = device_private(self); 199 1.1.2.2 rmind int rv = 0; 200 1.1.2.2 rmind 201 1.1.2.2 rmind sc->sc_dying = 1; 202 1.1.2.2 rmind if (sc->sc_subdev != NULL) { 203 1.1.2.2 rmind rv = config_detach(sc->sc_subdev, flags); 204 1.1.2.2 rmind sc->sc_subdev = NULL; 205 1.1.2.2 rmind } 206 1.1.2.2 rmind 207 1.1.2.2 rmind usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 208 1.1.2.2 rmind sc->sc_dev); 209 1.1.2.2 rmind 210 1.1.2.2 rmind return rv; 211 1.1.2.2 rmind } 212 1.1.2.2 rmind 213 1.1.2.2 rmind int 214 1.1.2.2 rmind uark_activate(struct device* self, enum devact act) 215 1.1.2.2 rmind { 216 1.1.2.2 rmind struct uark_softc *sc = device_private(self); 217 1.1.2.2 rmind int rv = 0; 218 1.1.2.2 rmind 219 1.1.2.2 rmind switch (act) { 220 1.1.2.2 rmind case DVACT_DEACTIVATE: 221 1.1.2.2 rmind if (sc->sc_subdev != NULL) 222 1.1.2.2 rmind rv = config_deactivate(sc->sc_subdev); 223 1.1.2.2 rmind sc->sc_dying = 1; 224 1.1.2.2 rmind break; 225 1.1.2.2 rmind } 226 1.1.2.2 rmind return (rv); 227 1.1.2.2 rmind } 228 1.1.2.2 rmind 229 1.1.2.2 rmind void 230 1.1.2.2 rmind uark_set(void *vsc, int portno, int reg, int onoff) 231 1.1.2.2 rmind { 232 1.1.2.2 rmind struct uark_softc *sc = vsc; 233 1.1.2.2 rmind 234 1.1.2.2 rmind switch (reg) { 235 1.1.2.2 rmind case UCOM_SET_BREAK: 236 1.1.2.2 rmind uark_break(sc, portno, onoff); 237 1.1.2.2 rmind return; 238 1.1.2.2 rmind case UCOM_SET_DTR: 239 1.1.2.2 rmind case UCOM_SET_RTS: 240 1.1.2.2 rmind default: 241 1.1.2.2 rmind return; 242 1.1.2.2 rmind } 243 1.1.2.2 rmind } 244 1.1.2.2 rmind 245 1.1.2.2 rmind int 246 1.1.2.2 rmind uark_param(void *vsc, int portno, struct termios *t) 247 1.1.2.2 rmind { 248 1.1.2.2 rmind struct uark_softc *sc = (struct uark_softc *)vsc; 249 1.1.2.2 rmind int data; 250 1.1.2.2 rmind 251 1.1.2.2 rmind switch (t->c_ospeed) { 252 1.1.2.2 rmind case 300: 253 1.1.2.2 rmind case 600: 254 1.1.2.2 rmind case 1200: 255 1.1.2.2 rmind case 1800: 256 1.1.2.2 rmind case 2400: 257 1.1.2.2 rmind case 4800: 258 1.1.2.2 rmind case 9600: 259 1.1.2.2 rmind case 19200: 260 1.1.2.2 rmind case 38400: 261 1.1.2.2 rmind case 57600: 262 1.1.2.2 rmind case 115200: 263 1.1.2.2 rmind uark_cmd(sc, 3, 0x83); 264 1.1.2.2 rmind uark_cmd(sc, 0, (UARK_BAUD_REF / t->c_ospeed) & 0xFF); 265 1.1.2.2 rmind uark_cmd(sc, 1, (UARK_BAUD_REF / t->c_ospeed) >> 8); 266 1.1.2.2 rmind uark_cmd(sc, 3, 0x03); 267 1.1.2.2 rmind break; 268 1.1.2.2 rmind default: 269 1.1.2.2 rmind return (EINVAL); 270 1.1.2.2 rmind } 271 1.1.2.2 rmind 272 1.1.2.2 rmind if (ISSET(t->c_cflag, CSTOPB)) 273 1.1.2.2 rmind data = UARK_STOP_BITS_2; 274 1.1.2.2 rmind else 275 1.1.2.2 rmind data = UARK_STOP_BITS_1; 276 1.1.2.2 rmind 277 1.1.2.2 rmind if (ISSET(t->c_cflag, PARENB)) { 278 1.1.2.2 rmind if (ISSET(t->c_cflag, PARODD)) 279 1.1.2.2 rmind data |= UARK_PARITY_ODD; 280 1.1.2.2 rmind else 281 1.1.2.2 rmind data |= UARK_PARITY_EVEN; 282 1.1.2.2 rmind } else 283 1.1.2.2 rmind data |= UARK_PARITY_NONE; 284 1.1.2.2 rmind 285 1.1.2.2 rmind switch (ISSET(t->c_cflag, CSIZE)) { 286 1.1.2.2 rmind case CS5: 287 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(5); 288 1.1.2.2 rmind break; 289 1.1.2.2 rmind case CS6: 290 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(6); 291 1.1.2.2 rmind break; 292 1.1.2.2 rmind case CS7: 293 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(7); 294 1.1.2.2 rmind break; 295 1.1.2.2 rmind case CS8: 296 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(8); 297 1.1.2.2 rmind break; 298 1.1.2.2 rmind } 299 1.1.2.2 rmind 300 1.1.2.2 rmind uark_cmd(sc, 3, 0x00); 301 1.1.2.2 rmind uark_cmd(sc, 3, data); 302 1.1.2.2 rmind 303 1.1.2.2 rmind #if 0 304 1.1.2.2 rmind /* XXX flow control */ 305 1.1.2.2 rmind if (ISSET(t->c_cflag, CRTSCTS)) 306 1.1.2.2 rmind /* rts/cts flow ctl */ 307 1.1.2.2 rmind } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 308 1.1.2.2 rmind /* xon/xoff flow ctl */ 309 1.1.2.2 rmind } else { 310 1.1.2.2 rmind /* disable flow ctl */ 311 1.1.2.2 rmind } 312 1.1.2.2 rmind #endif 313 1.1.2.2 rmind 314 1.1.2.2 rmind return (0); 315 1.1.2.2 rmind } 316 1.1.2.2 rmind 317 1.1.2.2 rmind void 318 1.1.2.2 rmind uark_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 319 1.1.2.2 rmind { 320 1.1.2.2 rmind struct uark_softc *sc = vsc; 321 1.1.2.2 rmind 322 1.1.2.2 rmind if (msr != NULL) 323 1.1.2.2 rmind *msr = sc->sc_msr; 324 1.1.2.2 rmind if (lsr != NULL) 325 1.1.2.2 rmind *lsr = sc->sc_lsr; 326 1.1.2.2 rmind } 327 1.1.2.2 rmind 328 1.1.2.2 rmind void 329 1.1.2.2 rmind uark_break(void *vsc, int portno, int onoff) 330 1.1.2.2 rmind { 331 1.1.2.2 rmind #if 0 332 1.1.2.2 rmind struct uark_softc *sc = vsc; 333 1.1.2.2 rmind 334 1.1.2.2 rmind #ifdef UARK_DEBUG 335 1.1.2.2 rmind aprint_normal_dev(sc->sc_dev, "break %s!\n", onoff ? "on" : "off"); 336 1.1.2.2 rmind #endif 337 1.1.2.2 rmind 338 1.1.2.2 rmind if (onoff) 339 1.1.2.2 rmind /* break on */ 340 1.1.2.2 rmind uark_cmd(sc, 4, 0x01); 341 1.1.2.2 rmind else 342 1.1.2.2 rmind uark_cmd(sc, 4, 0x00); 343 1.1.2.2 rmind #endif 344 1.1.2.2 rmind } 345 1.1.2.2 rmind 346 1.1.2.2 rmind int 347 1.1.2.2 rmind uark_cmd(struct uark_softc *sc, uint16_t index, uint16_t value) 348 1.1.2.2 rmind { 349 1.1.2.2 rmind usb_device_request_t req; 350 1.1.2.2 rmind usbd_status err; 351 1.1.2.2 rmind 352 1.1.2.2 rmind req.bmRequestType = UARK_WRITE; 353 1.1.2.2 rmind req.bRequest = UARK_REQUEST; 354 1.1.2.2 rmind USETW(req.wValue, value); 355 1.1.2.2 rmind USETW(req.wIndex, index); 356 1.1.2.2 rmind USETW(req.wLength, 0); 357 1.1.2.2 rmind err = usbd_do_request(sc->sc_udev, &req, NULL); 358 1.1.2.2 rmind 359 1.1.2.2 rmind if (err) 360 1.1.2.2 rmind return (EIO); 361 1.1.2.2 rmind 362 1.1.2.2 rmind return (0); 363 1.1.2.2 rmind } 364
Indexes created Wed Oct 15 16:09:53 GMT 2025