uark.c revision 1.1.2.2
1 1.1.2.2 rmind /* $NetBSD: uark.c,v 1.1.2.2 2010/05/30 05:17:45 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/usbdevs.h> 33 1.1.2.2 rmind #include <dev/usb/ucomvar.h> 34 1.1.2.2 rmind 35 1.1.2.2 rmind #ifdef UARK_DEBUG 36 1.1.2.2 rmind #define DPRINTFN(n, x) do { if (uarkdebug > (n)) printf x; } while (0) 37 1.1.2.2 rmind int uarkebug = 0; 38 1.1.2.2 rmind #else 39 1.1.2.2 rmind #define DPRINTFN(n, x) 40 1.1.2.2 rmind #endif 41 1.1.2.2 rmind #define DPRINTF(x) DPRINTFN(0, x) 42 1.1.2.2 rmind 43 1.1.2.2 rmind #define UARKBUFSZ 256 44 1.1.2.2 rmind #define UARK_CONFIG_NO 0 45 1.1.2.2 rmind #define UARK_IFACE_NO 0 46 1.1.2.2 rmind 47 1.1.2.2 rmind #define UARK_SET_DATA_BITS(x) (x - 5) 48 1.1.2.2 rmind 49 1.1.2.2 rmind #define UARK_PARITY_NONE 0x00 50 1.1.2.2 rmind #define UARK_PARITY_ODD 0x08 51 1.1.2.2 rmind #define UARK_PARITY_EVEN 0x18 52 1.1.2.2 rmind 53 1.1.2.2 rmind #define UARK_STOP_BITS_1 0x00 54 1.1.2.2 rmind #define UARK_STOP_BITS_2 0x04 55 1.1.2.2 rmind 56 1.1.2.2 rmind #define UARK_BAUD_REF 3000000 57 1.1.2.2 rmind 58 1.1.2.2 rmind #define UARK_WRITE 0x40 59 1.1.2.2 rmind #define UARK_READ 0xc0 60 1.1.2.2 rmind 61 1.1.2.2 rmind #define UARK_REQUEST 0xfe 62 1.1.2.2 rmind 63 1.1.2.2 rmind struct uark_softc { 64 1.1.2.2 rmind struct device *sc_dev; 65 1.1.2.2 rmind usbd_device_handle sc_udev; 66 1.1.2.2 rmind usbd_interface_handle sc_iface; 67 1.1.2.2 rmind struct device *sc_subdev; 68 1.1.2.2 rmind 69 1.1.2.2 rmind u_char sc_msr; 70 1.1.2.2 rmind u_char sc_lsr; 71 1.1.2.2 rmind 72 1.1.2.2 rmind u_char sc_dying; 73 1.1.2.2 rmind }; 74 1.1.2.2 rmind 75 1.1.2.2 rmind void uark_get_status(void *, int portno, u_char *lsr, u_char *msr); 76 1.1.2.2 rmind void uark_set(void *, int, int, int); 77 1.1.2.2 rmind int uark_param(void *, int, struct termios *); 78 1.1.2.2 rmind void uark_break(void *, int, int); 79 1.1.2.2 rmind int uark_cmd(struct uark_softc *, uint16_t, uint16_t); 80 1.1.2.2 rmind 81 1.1.2.2 rmind struct ucom_methods uark_methods = { 82 1.1.2.2 rmind uark_get_status, 83 1.1.2.2 rmind uark_set, 84 1.1.2.2 rmind uark_param, 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 NULL, 90 1.1.2.2 rmind }; 91 1.1.2.2 rmind 92 1.1.2.2 rmind static const struct usb_devno uark_devs[] = { 93 1.1.2.2 rmind { USB_VENDOR_ARKMICROCHIPS, USB_PRODUCT_ARKMICROCHIPS_USBSERIAL }, 94 1.1.2.2 rmind }; 95 1.1.2.2 rmind 96 1.1.2.2 rmind USB_DECLARE_DRIVER(uark); 97 1.1.2.2 rmind 98 1.1.2.2 rmind USB_MATCH(uark) 99 1.1.2.2 rmind { 100 1.1.2.2 rmind USB_MATCH_START(uarkcom, uaa); 101 1.1.2.2 rmind 102 1.1.2.2 rmind return (usb_lookup(uark_devs, uaa->vendor, uaa->product) != NULL) ? 103 1.1.2.2 rmind UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 104 1.1.2.2 rmind } 105 1.1.2.2 rmind 106 1.1.2.2 rmind USB_ATTACH(uark) 107 1.1.2.2 rmind { 108 1.1.2.2 rmind USB_ATTACH_START(uark, sc, uaa); 109 1.1.2.2 rmind usbd_device_handle dev = uaa->device; 110 1.1.2.2 rmind char *devinfop; 111 1.1.2.2 rmind struct ucom_attach_args uca; 112 1.1.2.2 rmind usb_interface_descriptor_t *id; 113 1.1.2.2 rmind usb_endpoint_descriptor_t *ed; 114 1.1.2.2 rmind usbd_status error; 115 1.1.2.2 rmind int i; 116 1.1.2.2 rmind 117 1.1.2.2 rmind memset(&uca, 0, sizeof(uca)); 118 1.1.2.2 rmind sc->sc_dev = self; 119 1.1.2.2 rmind 120 1.1.2.2 rmind devinfop = usbd_devinfo_alloc(dev, 0); 121 1.1.2.2 rmind USB_ATTACH_SETUP; 122 1.1.2.2 rmind aprint_normal_dev(self, "%s\n", devinfop); 123 1.1.2.2 rmind usbd_devinfo_free(devinfop); 124 1.1.2.2 rmind 125 1.1.2.2 rmind sc->sc_udev = dev; 126 1.1.2.2 rmind 127 1.1.2.2 rmind if (usbd_set_config_index(sc->sc_udev, UARK_CONFIG_NO, 1) != 0) { 128 1.1.2.2 rmind aprint_error_dev(self, "could not set configuration no\n"); 129 1.1.2.2 rmind sc->sc_dying = 1; 130 1.1.2.2 rmind return; 131 1.1.2.2 rmind } 132 1.1.2.2 rmind 133 1.1.2.2 rmind /* get the first interface handle */ 134 1.1.2.2 rmind error = usbd_device2interface_handle(sc->sc_udev, UARK_IFACE_NO, 135 1.1.2.2 rmind &sc->sc_iface); 136 1.1.2.2 rmind if (error != 0) { 137 1.1.2.2 rmind aprint_error_dev(self, "could not get interface handle\n"); 138 1.1.2.2 rmind sc->sc_dying = 1; 139 1.1.2.2 rmind return; 140 1.1.2.2 rmind } 141 1.1.2.2 rmind 142 1.1.2.2 rmind id = usbd_get_interface_descriptor(sc->sc_iface); 143 1.1.2.2 rmind 144 1.1.2.2 rmind uca.bulkin = uca.bulkout = -1; 145 1.1.2.2 rmind for (i = 0; i < id->bNumEndpoints; i++) { 146 1.1.2.2 rmind ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 147 1.1.2.2 rmind if (ed == NULL) { 148 1.1.2.2 rmind aprint_error_dev(self, "no endpoint descriptor found for %d\n", 149 1.1.2.2 rmind i); 150 1.1.2.2 rmind sc->sc_dying = 1; 151 1.1.2.2 rmind return; 152 1.1.2.2 rmind } 153 1.1.2.2 rmind 154 1.1.2.2 rmind if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 155 1.1.2.2 rmind UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 156 1.1.2.2 rmind uca.bulkin = ed->bEndpointAddress; 157 1.1.2.2 rmind else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 158 1.1.2.2 rmind UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 159 1.1.2.2 rmind uca.bulkout = ed->bEndpointAddress; 160 1.1.2.2 rmind } 161 1.1.2.2 rmind 162 1.1.2.2 rmind if (uca.bulkin == -1 || uca.bulkout == -1) { 163 1.1.2.2 rmind aprint_error_dev(self, "missing endpoint\n"); 164 1.1.2.2 rmind sc->sc_dying = 1; 165 1.1.2.2 rmind return; 166 1.1.2.2 rmind } 167 1.1.2.2 rmind 168 1.1.2.2 rmind uca.ibufsize = UARKBUFSZ; 169 1.1.2.2 rmind uca.obufsize = UARKBUFSZ; 170 1.1.2.2 rmind uca.ibufsizepad = UARKBUFSZ; 171 1.1.2.2 rmind uca.opkthdrlen = 0; 172 1.1.2.2 rmind uca.device = sc->sc_udev; 173 1.1.2.2 rmind uca.iface = sc->sc_iface; 174 1.1.2.2 rmind uca.methods = &uark_methods; 175 1.1.2.2 rmind uca.arg = sc; 176 1.1.2.2 rmind uca.info = NULL; 177 1.1.2.2 rmind 178 1.1.2.2 rmind usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 179 1.1.2.2 rmind sc->sc_dev); 180 1.1.2.2 rmind 181 1.1.2.2 rmind sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca, 182 1.1.2.2 rmind ucomprint, ucomsubmatch); 183 1.1.2.2 rmind 184 1.1.2.2 rmind USB_ATTACH_SUCCESS_RETURN; 185 1.1.2.2 rmind } 186 1.1.2.2 rmind 187 1.1.2.2 rmind int 188 1.1.2.2 rmind uark_detach(struct device *self, int flags) 189 1.1.2.2 rmind { 190 1.1.2.2 rmind struct uark_softc *sc = device_private(self); 191 1.1.2.2 rmind int rv = 0; 192 1.1.2.2 rmind 193 1.1.2.2 rmind sc->sc_dying = 1; 194 1.1.2.2 rmind if (sc->sc_subdev != NULL) { 195 1.1.2.2 rmind rv = config_detach(sc->sc_subdev, flags); 196 1.1.2.2 rmind sc->sc_subdev = NULL; 197 1.1.2.2 rmind } 198 1.1.2.2 rmind 199 1.1.2.2 rmind usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 200 1.1.2.2 rmind sc->sc_dev); 201 1.1.2.2 rmind 202 1.1.2.2 rmind return rv; 203 1.1.2.2 rmind } 204 1.1.2.2 rmind 205 1.1.2.2 rmind int 206 1.1.2.2 rmind uark_activate(struct device* self, enum devact act) 207 1.1.2.2 rmind { 208 1.1.2.2 rmind struct uark_softc *sc = device_private(self); 209 1.1.2.2 rmind int rv = 0; 210 1.1.2.2 rmind 211 1.1.2.2 rmind switch (act) { 212 1.1.2.2 rmind case DVACT_DEACTIVATE: 213 1.1.2.2 rmind if (sc->sc_subdev != NULL) 214 1.1.2.2 rmind rv = config_deactivate(sc->sc_subdev); 215 1.1.2.2 rmind sc->sc_dying = 1; 216 1.1.2.2 rmind break; 217 1.1.2.2 rmind } 218 1.1.2.2 rmind return (rv); 219 1.1.2.2 rmind } 220 1.1.2.2 rmind 221 1.1.2.2 rmind void 222 1.1.2.2 rmind uark_set(void *vsc, int portno, int reg, int onoff) 223 1.1.2.2 rmind { 224 1.1.2.2 rmind struct uark_softc *sc = vsc; 225 1.1.2.2 rmind 226 1.1.2.2 rmind switch (reg) { 227 1.1.2.2 rmind case UCOM_SET_BREAK: 228 1.1.2.2 rmind uark_break(sc, portno, onoff); 229 1.1.2.2 rmind return; 230 1.1.2.2 rmind case UCOM_SET_DTR: 231 1.1.2.2 rmind case UCOM_SET_RTS: 232 1.1.2.2 rmind default: 233 1.1.2.2 rmind return; 234 1.1.2.2 rmind } 235 1.1.2.2 rmind } 236 1.1.2.2 rmind 237 1.1.2.2 rmind int 238 1.1.2.2 rmind uark_param(void *vsc, int portno, struct termios *t) 239 1.1.2.2 rmind { 240 1.1.2.2 rmind struct uark_softc *sc = (struct uark_softc *)vsc; 241 1.1.2.2 rmind int data; 242 1.1.2.2 rmind 243 1.1.2.2 rmind switch (t->c_ospeed) { 244 1.1.2.2 rmind case 300: 245 1.1.2.2 rmind case 600: 246 1.1.2.2 rmind case 1200: 247 1.1.2.2 rmind case 1800: 248 1.1.2.2 rmind case 2400: 249 1.1.2.2 rmind case 4800: 250 1.1.2.2 rmind case 9600: 251 1.1.2.2 rmind case 19200: 252 1.1.2.2 rmind case 38400: 253 1.1.2.2 rmind case 57600: 254 1.1.2.2 rmind case 115200: 255 1.1.2.2 rmind uark_cmd(sc, 3, 0x83); 256 1.1.2.2 rmind uark_cmd(sc, 0, (UARK_BAUD_REF / t->c_ospeed) & 0xFF); 257 1.1.2.2 rmind uark_cmd(sc, 1, (UARK_BAUD_REF / t->c_ospeed) >> 8); 258 1.1.2.2 rmind uark_cmd(sc, 3, 0x03); 259 1.1.2.2 rmind break; 260 1.1.2.2 rmind default: 261 1.1.2.2 rmind return (EINVAL); 262 1.1.2.2 rmind } 263 1.1.2.2 rmind 264 1.1.2.2 rmind if (ISSET(t->c_cflag, CSTOPB)) 265 1.1.2.2 rmind data = UARK_STOP_BITS_2; 266 1.1.2.2 rmind else 267 1.1.2.2 rmind data = UARK_STOP_BITS_1; 268 1.1.2.2 rmind 269 1.1.2.2 rmind if (ISSET(t->c_cflag, PARENB)) { 270 1.1.2.2 rmind if (ISSET(t->c_cflag, PARODD)) 271 1.1.2.2 rmind data |= UARK_PARITY_ODD; 272 1.1.2.2 rmind else 273 1.1.2.2 rmind data |= UARK_PARITY_EVEN; 274 1.1.2.2 rmind } else 275 1.1.2.2 rmind data |= UARK_PARITY_NONE; 276 1.1.2.2 rmind 277 1.1.2.2 rmind switch (ISSET(t->c_cflag, CSIZE)) { 278 1.1.2.2 rmind case CS5: 279 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(5); 280 1.1.2.2 rmind break; 281 1.1.2.2 rmind case CS6: 282 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(6); 283 1.1.2.2 rmind break; 284 1.1.2.2 rmind case CS7: 285 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(7); 286 1.1.2.2 rmind break; 287 1.1.2.2 rmind case CS8: 288 1.1.2.2 rmind data |= UARK_SET_DATA_BITS(8); 289 1.1.2.2 rmind break; 290 1.1.2.2 rmind } 291 1.1.2.2 rmind 292 1.1.2.2 rmind uark_cmd(sc, 3, 0x00); 293 1.1.2.2 rmind uark_cmd(sc, 3, data); 294 1.1.2.2 rmind 295 1.1.2.2 rmind #if 0 296 1.1.2.2 rmind /* XXX flow control */ 297 1.1.2.2 rmind if (ISSET(t->c_cflag, CRTSCTS)) 298 1.1.2.2 rmind /* rts/cts flow ctl */ 299 1.1.2.2 rmind } else if (ISSET(t->c_iflag, IXON|IXOFF)) { 300 1.1.2.2 rmind /* xon/xoff flow ctl */ 301 1.1.2.2 rmind } else { 302 1.1.2.2 rmind /* disable flow ctl */ 303 1.1.2.2 rmind } 304 1.1.2.2 rmind #endif 305 1.1.2.2 rmind 306 1.1.2.2 rmind return (0); 307 1.1.2.2 rmind } 308 1.1.2.2 rmind 309 1.1.2.2 rmind void 310 1.1.2.2 rmind uark_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) 311 1.1.2.2 rmind { 312 1.1.2.2 rmind struct uark_softc *sc = vsc; 313 1.1.2.2 rmind 314 1.1.2.2 rmind if (msr != NULL) 315 1.1.2.2 rmind *msr = sc->sc_msr; 316 1.1.2.2 rmind if (lsr != NULL) 317 1.1.2.2 rmind *lsr = sc->sc_lsr; 318 1.1.2.2 rmind } 319 1.1.2.2 rmind 320 1.1.2.2 rmind void 321 1.1.2.2 rmind uark_break(void *vsc, int portno, int onoff) 322 1.1.2.2 rmind { 323 1.1.2.2 rmind #if 0 324 1.1.2.2 rmind struct uark_softc *sc = vsc; 325 1.1.2.2 rmind 326 1.1.2.2 rmind #ifdef UARK_DEBUG 327 1.1.2.2 rmind aprint_normal_dev(sc->sc_dev, "break %s!\n", onoff ? "on" : "off"); 328 1.1.2.2 rmind #endif 329 1.1.2.2 rmind 330 1.1.2.2 rmind if (onoff) 331 1.1.2.2 rmind /* break on */ 332 1.1.2.2 rmind uark_cmd(sc, 4, 0x01); 333 1.1.2.2 rmind else 334 1.1.2.2 rmind uark_cmd(sc, 4, 0x00); 335 1.1.2.2 rmind #endif 336 1.1.2.2 rmind } 337 1.1.2.2 rmind 338 1.1.2.2 rmind int 339 1.1.2.2 rmind uark_cmd(struct uark_softc *sc, uint16_t index, uint16_t value) 340 1.1.2.2 rmind { 341 1.1.2.2 rmind usb_device_request_t req; 342 1.1.2.2 rmind usbd_status err; 343 1.1.2.2 rmind 344 1.1.2.2 rmind req.bmRequestType = UARK_WRITE; 345 1.1.2.2 rmind req.bRequest = UARK_REQUEST; 346 1.1.2.2 rmind USETW(req.wValue, value); 347 1.1.2.2 rmind USETW(req.wIndex, index); 348 1.1.2.2 rmind USETW(req.wLength, 0); 349 1.1.2.2 rmind err = usbd_do_request(sc->sc_udev, &req, NULL); 350 1.1.2.2 rmind 351 1.1.2.2 rmind if (err) 352 1.1.2.2 rmind return (EIO); 353 1.1.2.2 rmind 354 1.1.2.2 rmind return (0); 355 1.1.2.2 rmind } 356
Indexes created Wed Oct 15 16:09:53 GMT 2025