stuirda.c revision 1.6.4.3
1 /* $NetBSD: stuirda.c,v 1.6.4.3 2009/09/16 13:37:58 yamt 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 (at) 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 1.6.4.3 2009/09/16 13:37:58 yamt 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) logprintf x 63 #define DPRINTFN(n,x) if (stuirdadebug>(n)) logprintf 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 USB_DECLARE_DRIVER(stuirda); 100 101 USB_MATCH(stuirda) 102 { 103 USB_IFMATCH_START(stuirda, uaa); 104 105 DPRINTFN(50,("stuirda_match\n")); 106 107 if (stuirda_lookup(uaa->vendor, uaa->product) != NULL) 108 return (UMATCH_VENDOR_PRODUCT); 109 110 return (UMATCH_NONE); 111 } 112 113 void uirda_attach(device_t, device_t, void *); 114 115 USB_ATTACH(stuirda) 116 { 117 USB_IFATTACH_START(stuirda, sc, uaa); 118 119 (void)uaa; 120 121 sc->sc_uirda.sc_loadfw = stuirda_fwload; 122 sc->sc_uirda.sc_irm = &stuirda_methods; 123 sc->sc_uirda.sc_hdszi = STUIRDA_HEADER_SIZE; 124 125 uirda_attach(parent,self,aux); 126 } 127 128 int 129 stuirda_fwload(struct uirda_softc *sc) { 130 131 132 int rc; 133 firmware_handle_t fh; 134 off_t fwsize; 135 usb_device_descriptor_t usbddsc; 136 usbd_xfer_handle fwxfer; 137 usbd_pipe_handle fwpipe; 138 usbd_status status; 139 usb_device_request_t req; 140 char *buffer; 141 char *p; 142 char fwname[12]; 143 int n; 144 u_int8_t *usbbuf; 145 /* size_t bsize; */ 146 147 printf("%s: needing to download firmware\n", 148 USBDEVNAME(sc->sc_dev)); 149 150 status = usbd_get_device_desc(sc->sc_udev, &usbddsc); 151 if (status) { 152 printf("%s: can't get device descriptor, status %d\n", 153 USBDEVNAME(sc->sc_dev), status); 154 return status; 155 } 156 157 rc = usbd_get_class_desc(sc->sc_udev, UDESC_IRDA, 0, 158 USB_IRDA_DESCRIPTOR_SIZE, &sc->sc_irdadesc); 159 printf("error %d reading class desc\n", rc); 160 161 snprintf(fwname, sizeof(fwname), "4210%02x%02x.sb", 162 usbddsc.bcdDevice[1], 163 usbddsc.bcdDevice[0]); 164 165 printf("%s: Attempting to load firmware %s\n", 166 USBDEVNAME(sc->sc_dev), fwname); 167 168 rc = firmware_open("stuirda", fwname, &fh); 169 170 if (rc) { 171 printf("%s: Cannot load firmware\n", 172 USBDEVNAME(sc->sc_dev)); 173 return 0; 174 return rc; 175 } 176 fwsize = firmware_get_size(fh); 177 178 printf("%s: Firmware size %lld\n", 179 USBDEVNAME(sc->sc_dev), (long long)fwsize); 180 181 buffer = firmware_malloc(fwsize); 182 if (buffer == NULL) { 183 printf("%s: Cannot load firmware: out of memory\n", 184 USBDEVNAME(sc->sc_dev)); 185 goto giveup2; 186 } 187 188 rc = firmware_read(fh, 0, buffer, (size_t)fwsize); 189 190 if (rc) { 191 printf("%s: Cannot read firmware\n", USBDEVNAME(sc->sc_dev)); 192 goto giveup3; 193 } 194 195 for (p = buffer + sizeof("Product Version:"); 196 p < buffer + fwsize - 5; p++) { 197 198 if (0x1A == *p) 199 break; 200 } 201 if (0x1a != *p || memcmp(p+1, "STMP", 4) != 0) { 202 /* firmware bad */ 203 printf("%s: Bad firmware\n", USBDEVNAME(sc->sc_dev)); 204 goto giveup3; 205 } 206 207 p += 5; 208 209 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 210 req.bRequest = 2 /* XXX magic */; 211 USETW(req.wValue, 0); 212 USETW(req.wIndex, 0); 213 USETW(req.wLength, 0); 214 rc = usbd_do_request(sc->sc_udev, &req, 0); 215 if (rc) { 216 printf("%s: Cannot switch to f/w d/l mode, error %d\n", 217 USBDEVNAME(sc->sc_dev), rc); 218 goto giveup4; 219 } 220 221 delay(100000); 222 223 rc = usbd_open_pipe(sc->sc_iface, sc->sc_wr_addr, 0, &fwpipe); 224 if (rc) { 225 printf("%s: Cannot open pipe, rc=%d\n", 226 USBDEVNAME(sc->sc_dev), rc); 227 goto giveup3; 228 } 229 fwxfer = usbd_alloc_xfer(sc->sc_udev); 230 if (fwxfer == NULL) { 231 printf("%s: Cannot alloc xfer\n", USBDEVNAME(sc->sc_dev)); 232 goto giveup4; 233 } 234 usbbuf = usbd_alloc_buffer(fwxfer, 1024); 235 if (usbbuf == NULL) { 236 printf("%s: Cannot alloc usb buf\n", USBDEVNAME(sc->sc_dev)); 237 goto giveup5; 238 } 239 n = (buffer + fwsize - p); 240 while (n > 0) { 241 if (n > 1023) 242 n = 1023; 243 memcpy(usbbuf, p, n); 244 rc = usbd_bulk_transfer(fwxfer, fwpipe, 245 USBD_SYNCHRONOUS|USBD_FORCE_SHORT_XFER, 246 5000, usbbuf, &n, "uirda-fw-wr"); 247 printf("%s: write: rc=%d, %d left\n", 248 USBDEVNAME(sc->sc_dev), rc, n); 249 if (rc) { 250 printf("%s: write: rc=%d, %d bytes written\n", 251 USBDEVNAME(sc->sc_dev), rc, n); 252 goto giveup4; 253 } 254 printf("%s: written %d\n", USBDEVNAME(sc->sc_dev), n); 255 p += n; 256 n = (buffer + fwsize - p); 257 } 258 delay(100000); 259 /* TODO: more code here */ 260 rc = 0; 261 usbd_free_buffer(fwxfer); 262 263 giveup5: usbd_free_xfer(fwxfer); 264 giveup4: usbd_close_pipe(fwpipe); 265 giveup3: firmware_free(buffer, fwsize); 266 giveup2: firmware_close(fh); 267 268 return rc; 269 270 } 271 272 int 273 stuirda_write(void *h, struct uio *uio, int flag) 274 { 275 struct uirda_softc *sc = h; 276 usbd_status err; 277 u_int32_t n; 278 int error = 0; 279 280 DPRINTFN(1,("%s: sc=%p\n", __func__, sc)); 281 282 if (sc->sc_dying) 283 return (EIO); 284 285 #ifdef DIAGNOSTIC 286 if (sc->sc_wr_buf == NULL) 287 return (EINVAL); 288 #endif 289 290 n = uio->uio_resid; 291 if (n > sc->sc_params.maxsize) 292 return (EINVAL); 293 294 sc->sc_refcnt++; 295 mutex_enter(&sc->sc_wr_buf_lk); 296 297 sc->sc_wr_buf[0] = UIRDA_EB_NO_CHANGE | UIRDA_NO_SPEED; 298 299 sc->sc_wr_buf[1] = 0; 300 sc->sc_wr_buf[2] = 7; /* XXX turnaround - maximum for now */ 301 if ((n > 0 && (n % 128) == 0 && (n % 512) != 0)) { 302 sc->sc_wr_buf[1] = 1; 303 } 304 305 error = uiomove(sc->sc_wr_buf + STUIRDA_HEADER_SIZE, n, uio); 306 if (!error) { 307 DPRINTFN(1, ("uirdawrite: transfer %d bytes\n", n)); 308 309 n += STUIRDA_HEADER_SIZE + sc->sc_wr_buf[1]; 310 err = usbd_bulk_transfer(sc->sc_wr_xfer, sc->sc_wr_pipe, 311 USBD_FORCE_SHORT_XFER|USBD_NO_COPY, 312 UIRDA_WR_TIMEOUT, 313 sc->sc_wr_buf, &n, "uirdawr"); 314 DPRINTFN(2, ("uirdawrite: err=%d\n", err)); 315 if (err) { 316 if (err == USBD_INTERRUPTED) 317 error = EINTR; 318 else if (err == USBD_TIMEOUT) 319 error = ETIMEDOUT; 320 else 321 error = EIO; 322 } 323 } 324 325 mutex_exit(&sc->sc_wr_buf_lk); 326 if (--sc->sc_refcnt < 0) 327 usb_detach_wakeup(USBDEV(sc->sc_dev)); 328 329 DPRINTFN(1,("%s: sc=%p done\n", __func__, sc)); 330 return (error); 331 } 332
Indexes created Mon Oct 20 16:09:52 GMT 2025