1 /* $NetBSD: stuirda.c,v 1.15 2012/06/12 20:25:58 joerg Exp $ */ 2 3 /* 4 * Copyright (c) 2001,2007 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: stuirda.c,v 1.15 2012/06/12 20:25:58 joerg Exp $"); 34 35 #include <sys/param.h> 36 37 #include <sys/device.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/ioctl.h> 42 #include <sys/conf.h> 43 #include <sys/file.h> 44 #include <sys/poll.h> 45 #include <sys/select.h> 46 #include <sys/proc.h> 47 48 49 #include <dev/firmload.h> 50 #include <dev/usb/usb.h> 51 #include <dev/usb/usbdi.h> 52 #include <dev/usb/usbdi_util.h> 53 #include <dev/usb/usbdevs.h> 54 55 #include <dev/ir/ir.h> 56 #include <dev/ir/irdaio.h> 57 #include <dev/ir/irframevar.h> 58 59 #include <dev/usb/uirdavar.h> 60 61 #ifdef UIRDA_DEBUG 62 #define DPRINTF(x) if (stuirdadebug) printf x 63 #define DPRINTFN(n,x) if (stuirdadebug>(n)) printf x 64 int stuirdadebug = 1; 65 #else 66 #define DPRINTF(x) 67 #define DPRINTFN(n,x) 68 #endif 69 70 struct stuirda_softc { 71 struct uirda_softc sc_uirda; 72 }; 73 74 int stuirda_fwload(struct uirda_softc *sc); 75 76 /* 77 * These devices need firmware download. 78 */ 79 Static const struct usb_devno stuirda_devs[] = { 80 { USB_VENDOR_SIGMATEL, USB_PRODUCT_SIGMATEL_SIR4116 }, 81 { USB_VENDOR_SIGMATEL, USB_PRODUCT_SIGMATEL_FIR4210 }, 82 { USB_VENDOR_SIGMATEL, USB_PRODUCT_SIGMATEL_VFIR4220 }, 83 }; 84 #define stuirda_lookup(v, p) (usb_lookup(stuirda_devs, v, p)) 85 86 int stuirda_write(void *h, struct uio *uio, int flag); 87 88 struct irframe_methods stuirda_methods = { 89 uirda_open, uirda_close, uirda_read, stuirda_write, uirda_poll, 90 uirda_kqfilter, uirda_set_params, uirda_get_speeds, 91 uirda_get_turnarounds 92 }; 93 94 #define STUIRDA_HEADER_SIZE 3 95 96 #define stuirda_activate uirda_activate 97 #define stuirda_detach uirda_detach 98 99 int stuirda_match(device_t, cfdata_t, void *); 100 void stuirda_attach(device_t, device_t, void *); 101 int stuirda_detach(device_t, int); 102 int stuirda_activate(device_t, enum devact); 103 extern struct cfdriver stuirda_cd; 104 CFATTACH_DECL_NEW(stuirda, sizeof(struct stuirda_softc), stuirda_match, stuirda_attach, stuirda_detach, stuirda_activate); 105 106 int 107 stuirda_match(device_t parent, cfdata_t match, void *aux) 108 { 109 struct usbif_attach_arg *uaa = aux; 110 111 DPRINTFN(50,("stuirda_match\n")); 112 113 if (stuirda_lookup(uaa->vendor, uaa->product) != NULL) 114 return (UMATCH_VENDOR_PRODUCT); 115 116 return (UMATCH_NONE); 117 } 118 119 void uirda_attach(device_t, device_t, void *); 120 121 void 122 stuirda_attach(device_t parent, device_t self, void *aux) 123 { 124 struct stuirda_softc *sc = device_private(self); 125 126 sc->sc_uirda.sc_loadfw = stuirda_fwload; 127 sc->sc_uirda.sc_irm = &stuirda_methods; 128 sc->sc_uirda.sc_hdszi = STUIRDA_HEADER_SIZE; 129 130 uirda_attach(parent,self,aux); 131 } 132 133 int 134 stuirda_fwload(struct uirda_softc *sc) { 135 136 137 int rc; 138 firmware_handle_t fh; 139 off_t fwsize; 140 usb_device_descriptor_t usbddsc; 141 usbd_xfer_handle fwxfer; 142 usbd_pipe_handle fwpipe; 143 usbd_status status; 144 usb_device_request_t req; 145 char *buffer; 146 char *p; 147 char fwname[12]; 148 int n; 149 u_int8_t *usbbuf; 150 /* size_t bsize; */ 151 152 printf("%s: needing to download firmware\n", 153 device_xname(sc->sc_dev)); 154 155 status = usbd_get_device_desc(sc->sc_udev, &usbddsc); 156 if (status) { 157 printf("%s: can't get device descriptor, status %d\n", 158 device_xname(sc->sc_dev), status); 159 return status; 160 } 161 162 rc = usbd_get_class_desc(sc->sc_udev, UDESC_IRDA, 0, 163 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 164 printf("error %d reading class desc\n", rc); 165 166 snprintf(fwname, sizeof(fwname), "4210%02x%02x.sb", 167 usbddsc.bcdDevice[1], 168 usbddsc.bcdDevice[0]); 169 170 printf("%s: Attempting to load firmware %s\n", 171 device_xname(sc->sc_dev), fwname); 172 173 rc = firmware_open("stuirda", fwname, &fh); 174 175 if (rc) { 176 printf("%s: Cannot load firmware\n", 177 device_xname(sc->sc_dev)); 178 return 0; 179 return rc; 180 } 181 fwsize = firmware_get_size(fh); 182 183 printf("%s: Firmware size %lld\n", 184 device_xname(sc->sc_dev), (long long)fwsize); 185 186 buffer = firmware_malloc(fwsize); 187 if (buffer == NULL) { 188 printf("%s: Cannot load firmware: out of memory\n", 189 device_xname(sc->sc_dev)); 190 goto giveup2; 191 } 192 193 rc = firmware_read(fh, 0, buffer, (size_t)fwsize); 194 195 if (rc) { 196 printf("%s: Cannot read firmware\n", device_xname(sc->sc_dev)); 197 goto giveup3; 198 } 199 200 for (p = buffer + sizeof("Product Version:"); 201 p < buffer + fwsize - 5; p++) { 202 203 if (0x1A == *p) 204 break; 205 } 206 if (0x1a != *p || memcmp(p+1, "STMP", 4) != 0) { 207 /* firmware bad */ 208 printf("%s: Bad firmware\n", device_xname(sc->sc_dev)); 209 goto giveup3; 210 } 211 212 p += 5; 213 214 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 215 req.bRequest = 2 /* XXX magic */; 216 USETW(req.wValue, 0); 217 USETW(req.wIndex, 0); 218 USETW(req.wLength, 0); 219 rc = usbd_do_request(sc->sc_udev, &req, 0); 220 if (rc) { 221 printf("%s: Cannot switch to f/w d/l mode, error %d\n", 222 device_xname(sc->sc_dev), rc); 223 goto giveup3; 224 } 225 226 delay(100000); 227 228 rc = usbd_open_pipe(sc->sc_iface, sc->sc_wr_addr, 0, &fwpipe); 229 if (rc) { 230 printf("%s: Cannot open pipe, rc=%d\n", 231 device_xname(sc->sc_dev), rc); 232 goto giveup3; 233 } 234 fwxfer = usbd_alloc_xfer(sc->sc_udev); 235 if (fwxfer == NULL) { 236 printf("%s: Cannot alloc xfer\n", device_xname(sc->sc_dev)); 237 goto giveup4; 238 } 239 usbbuf = usbd_alloc_buffer(fwxfer, 1024); 240 if (usbbuf == NULL) { 241 printf("%s: Cannot alloc usb buf\n", device_xname(sc->sc_dev)); 242 goto giveup5; 243 } 244 n = (buffer + fwsize - p); 245 while (n > 0) { 246 if (n > 1023) 247 n = 1023; 248 memcpy(usbbuf, p, n); 249 rc = usbd_bulk_transfer(fwxfer, fwpipe, 250 USBD_SYNCHRONOUS|USBD_FORCE_SHORT_XFER, 251 5000, usbbuf, &n, "uirda-fw-wr"); 252 printf("%s: write: rc=%d, %d left\n", 253 device_xname(sc->sc_dev), rc, n); 254 if (rc) { 255 printf("%s: write: rc=%d, %d bytes written\n", 256 device_xname(sc->sc_dev), rc, n); 257 goto giveup4; 258 } 259 printf("%s: written %d\n", device_xname(sc->sc_dev), n); 260 p += n; 261 n = (buffer + fwsize - p); 262 } 263 delay(100000); 264 /* TODO: more code here */ 265 rc = 0; 266 usbd_free_buffer(fwxfer); 267 268 giveup5: usbd_free_xfer(fwxfer); 269 giveup4: usbd_close_pipe(fwpipe); 270 giveup3: firmware_free(buffer, fwsize); 271 giveup2: firmware_close(fh); 272 273 return rc; 274 275 } 276 277 int 278 stuirda_write(void *h, struct uio *uio, int flag) 279 { 280 struct uirda_softc *sc = h; 281 usbd_status err; 282 u_int32_t n; 283 int error = 0; 284 285 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 286 287 if (sc->sc_dying) 288 return (EIO); 289 290 #ifdef DIAGNOSTIC 291 if (sc->sc_wr_buf == NULL) 292 return (EINVAL); 293 #endif 294 295 n = uio->uio_resid; 296 if (n > sc->sc_params.maxsize) 297 return (EINVAL); 298 299 sc->sc_refcnt++; 300 mutex_enter(&sc->sc_wr_buf_lk); 301 302 sc->sc_wr_buf[0] = UIRDA_EB_NO_CHANGE | UIRDA_NO_SPEED; 303 304 sc->sc_wr_buf[1] = 0; 305 sc->sc_wr_buf[2] = 7; /* XXX turnaround - maximum for now */ 306 if ((n > 0 && (n % 128) == 0 && (n % 512) != 0)) { 307 sc->sc_wr_buf[1] = 1; 308 } 309 310 error = uiomove(sc->sc_wr_buf + STUIRDA_HEADER_SIZE, n, uio); 311 if (!error) { 312 DPRINTFN(1, ("uirdawrite: transfer %d bytes\n", n)); 313 314 n += STUIRDA_HEADER_SIZE + sc->sc_wr_buf[1]; 315 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 316 USBD_FORCE_SHORT_XFER|USBD_NO_COPY, 317 UIRDA_WR_TIMEOUT, 318 sc->sc_wr_buf, &n, "uirdawr"); 319 DPRINTFN(2, ("uirdawrite: err=%d\n", err)); 320 if (err) { 321 if (err == USBD_INTERRUPTED) 322 error = EINTR; 323 else if (err == USBD_TIMEOUT) 324 error = ETIMEDOUT; 325 else 326 error = EIO; 327 } 328 } 329 330 mutex_exit(&sc->sc_wr_buf_lk); 331 if (--sc->sc_refcnt < 0) 332 usb_detach_wakeupold(sc->sc_dev); 333 334 DPRINTFN(1,("%s: sc=%p done\n", __func__, sc)); 335 return (error); 336 } 337