1184610Salfred/* $FreeBSD: releng/10.3/sys/dev/usb/usb_generic.c 277845 2015-01-28 19:41:31Z hselasky $ */ 2184610Salfred/*- 3184610Salfred * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4184610Salfred * 5184610Salfred * Redistribution and use in source and binary forms, with or without 6184610Salfred * modification, are permitted provided that the following conditions 7184610Salfred * are met: 8184610Salfred * 1. Redistributions of source code must retain the above copyright 9184610Salfred * notice, this list of conditions and the following disclaimer. 10184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 11184610Salfred * notice, this list of conditions and the following disclaimer in the 12184610Salfred * documentation and/or other materials provided with the distribution. 13184610Salfred * 14184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24184610Salfred * SUCH DAMAGE. 25184610Salfred */ 26184610Salfred 27246122Shselasky#ifdef USB_GLOBAL_INCLUDE_FILE 28246122Shselasky#include USB_GLOBAL_INCLUDE_FILE 29246122Shselasky#else 30194677Sthompsa#include <sys/stdint.h> 31194677Sthompsa#include <sys/stddef.h> 32194677Sthompsa#include <sys/param.h> 33194677Sthompsa#include <sys/queue.h> 34194677Sthompsa#include <sys/types.h> 35194677Sthompsa#include <sys/systm.h> 36194677Sthompsa#include <sys/kernel.h> 37194677Sthompsa#include <sys/bus.h> 38194677Sthompsa#include <sys/module.h> 39194677Sthompsa#include <sys/lock.h> 40194677Sthompsa#include <sys/mutex.h> 41194677Sthompsa#include <sys/condvar.h> 42194677Sthompsa#include <sys/sysctl.h> 43194677Sthompsa#include <sys/sx.h> 44194677Sthompsa#include <sys/unistd.h> 45194677Sthompsa#include <sys/callout.h> 46194677Sthompsa#include <sys/malloc.h> 47194677Sthompsa#include <sys/priv.h> 48194677Sthompsa#include <sys/conf.h> 49194677Sthompsa#include <sys/fcntl.h> 50194677Sthompsa 51188942Sthompsa#include <dev/usb/usb.h> 52188942Sthompsa#include <dev/usb/usb_ioctl.h> 53194677Sthompsa#include <dev/usb/usbdi.h> 54194677Sthompsa#include <dev/usb/usbdi_util.h> 55184610Salfred 56184610Salfred#define USB_DEBUG_VAR ugen_debug 57184610Salfred 58188942Sthompsa#include <dev/usb/usb_core.h> 59194677Sthompsa#include <dev/usb/usb_dev.h> 60188942Sthompsa#include <dev/usb/usb_mbuf.h> 61188942Sthompsa#include <dev/usb/usb_process.h> 62188942Sthompsa#include <dev/usb/usb_device.h> 63188942Sthompsa#include <dev/usb/usb_debug.h> 64188942Sthompsa#include <dev/usb/usb_request.h> 65188942Sthompsa#include <dev/usb/usb_busdma.h> 66188942Sthompsa#include <dev/usb/usb_util.h> 67188942Sthompsa#include <dev/usb/usb_hub.h> 68188942Sthompsa#include <dev/usb/usb_generic.h> 69188942Sthompsa#include <dev/usb/usb_transfer.h> 70184610Salfred 71188942Sthompsa#include <dev/usb/usb_controller.h> 72188942Sthompsa#include <dev/usb/usb_bus.h> 73246122Shselasky#endif /* USB_GLOBAL_INCLUDE_FILE */ 74184610Salfred 75190191Sthompsa#if USB_HAVE_UGEN 76190191Sthompsa 77184610Salfred/* defines */ 78184610Salfred 79184610Salfred#define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ 80184610Salfred#define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ 81184610Salfred#define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ 82184610Salfred 83184610Salfred/* function prototypes */ 84184610Salfred 85193045Sthompsastatic usb_callback_t ugen_read_clear_stall_callback; 86193045Sthompsastatic usb_callback_t ugen_write_clear_stall_callback; 87207080Sthompsastatic usb_callback_t ugen_ctrl_read_callback; 88207080Sthompsastatic usb_callback_t ugen_ctrl_write_callback; 89193045Sthompsastatic usb_callback_t ugen_isoc_read_callback; 90193045Sthompsastatic usb_callback_t ugen_isoc_write_callback; 91207080Sthompsastatic usb_callback_t ugen_ctrl_fs_callback; 92184610Salfred 93193045Sthompsastatic usb_fifo_open_t ugen_open; 94193045Sthompsastatic usb_fifo_close_t ugen_close; 95193045Sthompsastatic usb_fifo_ioctl_t ugen_ioctl; 96193045Sthompsastatic usb_fifo_ioctl_t ugen_ioctl_post; 97193045Sthompsastatic usb_fifo_cmd_t ugen_start_read; 98193045Sthompsastatic usb_fifo_cmd_t ugen_start_write; 99193045Sthompsastatic usb_fifo_cmd_t ugen_stop_io; 100184610Salfred 101192984Sthompsastatic int ugen_transfer_setup(struct usb_fifo *, 102192984Sthompsa const struct usb_config *, uint8_t); 103192984Sthompsastatic int ugen_open_pipe_write(struct usb_fifo *); 104192984Sthompsastatic int ugen_open_pipe_read(struct usb_fifo *); 105192984Sthompsastatic int ugen_set_config(struct usb_fifo *, uint8_t); 106192984Sthompsastatic int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); 107192984Sthompsastatic int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); 108192984Sthompsastatic int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); 109192984Sthompsastatic int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); 110194228Sthompsastatic int usb_gen_fill_deviceinfo(struct usb_fifo *, 111192984Sthompsa struct usb_device_info *); 112192984Sthompsastatic int ugen_re_enumerate(struct usb_fifo *); 113192984Sthompsastatic int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); 114192984Sthompsastatic uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); 115213432Shselaskystatic int ugen_fs_uninit(struct usb_fifo *f); 116184610Salfred 117184610Salfred/* structures */ 118184610Salfred 119194228Sthompsastruct usb_fifo_methods usb_ugen_methods = { 120184610Salfred .f_open = &ugen_open, 121184610Salfred .f_close = &ugen_close, 122184610Salfred .f_ioctl = &ugen_ioctl, 123185087Salfred .f_ioctl_post = &ugen_ioctl_post, 124184610Salfred .f_start_read = &ugen_start_read, 125184610Salfred .f_stop_read = &ugen_stop_io, 126184610Salfred .f_start_write = &ugen_start_write, 127184610Salfred .f_stop_write = &ugen_stop_io, 128184610Salfred}; 129184610Salfred 130194677Sthompsa#ifdef USB_DEBUG 131184610Salfredstatic int ugen_debug = 0; 132184610Salfred 133227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic"); 134242126ShselaskySYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &ugen_debug, 135184610Salfred 0, "Debug level"); 136199675SthompsaTUNABLE_INT("hw.usb.ugen.debug", &ugen_debug); 137184610Salfred#endif 138184610Salfred 139184610Salfred 140184610Salfred/* prototypes */ 141184610Salfred 142184610Salfredstatic int 143192984Sthompsaugen_transfer_setup(struct usb_fifo *f, 144192984Sthompsa const struct usb_config *setup, uint8_t n_setup) 145184610Salfred{ 146194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 147192984Sthompsa struct usb_device *udev = f->udev; 148193644Sthompsa uint8_t iface_index = ep->iface_index; 149184610Salfred int error; 150184610Salfred 151184610Salfred mtx_unlock(f->priv_mtx); 152184610Salfred 153184610Salfred /* 154194228Sthompsa * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 155184610Salfred * exiting the mutex and checking things 156184610Salfred */ 157194228Sthompsa error = usbd_transfer_setup(udev, &iface_index, f->xfer, 158184610Salfred setup, n_setup, f, f->priv_mtx); 159184610Salfred if (error == 0) { 160184610Salfred 161184610Salfred if (f->xfer[0]->nframes == 1) { 162194228Sthompsa error = usb_fifo_alloc_buffer(f, 163184610Salfred f->xfer[0]->max_data_length, 2); 164184610Salfred } else { 165194228Sthompsa error = usb_fifo_alloc_buffer(f, 166184610Salfred f->xfer[0]->max_frame_size, 167184610Salfred 2 * f->xfer[0]->nframes); 168184610Salfred } 169184610Salfred if (error) { 170194228Sthompsa usbd_transfer_unsetup(f->xfer, n_setup); 171184610Salfred } 172184610Salfred } 173184610Salfred mtx_lock(f->priv_mtx); 174184610Salfred 175184610Salfred return (error); 176184610Salfred} 177184610Salfred 178184610Salfredstatic int 179192984Sthompsaugen_open(struct usb_fifo *f, int fflags) 180184610Salfred{ 181194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 182193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 183184610Salfred uint8_t type; 184184610Salfred 185184610Salfred DPRINTFN(6, "flag=0x%x\n", fflags); 186184610Salfred 187184610Salfred mtx_lock(f->priv_mtx); 188194228Sthompsa switch (usbd_get_speed(f->udev)) { 189187180Sthompsa case USB_SPEED_LOW: 190187180Sthompsa case USB_SPEED_FULL: 191187180Sthompsa f->nframes = UGEN_HW_FRAMES; 192187180Sthompsa f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 193187180Sthompsa break; 194187180Sthompsa default: 195184610Salfred f->nframes = UGEN_HW_FRAMES * 8; 196184610Salfred f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 197187180Sthompsa break; 198184610Salfred } 199184610Salfred 200184610Salfred type = ed->bmAttributes & UE_XFERTYPE; 201184610Salfred if (type == UE_INTERRUPT) { 202184610Salfred f->bufsize = 0; /* use "wMaxPacketSize" */ 203184610Salfred } 204184610Salfred f->timeout = USB_NO_TIMEOUT; 205184610Salfred f->flag_short = 0; 206184610Salfred f->fifo_zlp = 0; 207184610Salfred mtx_unlock(f->priv_mtx); 208184610Salfred 209184610Salfred return (0); 210184610Salfred} 211184610Salfred 212184610Salfredstatic void 213192984Sthompsaugen_close(struct usb_fifo *f, int fflags) 214184610Salfred{ 215184610Salfred DPRINTFN(6, "flag=0x%x\n", fflags); 216184610Salfred 217184610Salfred /* cleanup */ 218184610Salfred 219184610Salfred mtx_lock(f->priv_mtx); 220194228Sthompsa usbd_transfer_stop(f->xfer[0]); 221194228Sthompsa usbd_transfer_stop(f->xfer[1]); 222184610Salfred mtx_unlock(f->priv_mtx); 223184610Salfred 224194228Sthompsa usbd_transfer_unsetup(f->xfer, 2); 225194228Sthompsa usb_fifo_free_buffer(f); 226184610Salfred 227184610Salfred if (ugen_fs_uninit(f)) { 228184610Salfred /* ignore any errors - we are closing */ 229185290Salfred DPRINTFN(6, "no FIFOs\n"); 230184610Salfred } 231184610Salfred} 232184610Salfred 233184610Salfredstatic int 234192984Sthompsaugen_open_pipe_write(struct usb_fifo *f) 235184610Salfred{ 236192984Sthompsa struct usb_config usb_config[2]; 237194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 238193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 239184610Salfred 240184610Salfred mtx_assert(f->priv_mtx, MA_OWNED); 241184610Salfred 242184610Salfred if (f->xfer[0] || f->xfer[1]) { 243184610Salfred /* transfers are already opened */ 244184610Salfred return (0); 245184610Salfred } 246227461Shselasky memset(usb_config, 0, sizeof(usb_config)); 247184610Salfred 248192984Sthompsa usb_config[1].type = UE_CONTROL; 249192984Sthompsa usb_config[1].endpoint = 0; 250192984Sthompsa usb_config[1].direction = UE_DIR_ANY; 251192984Sthompsa usb_config[1].timeout = 1000; /* 1 second */ 252192984Sthompsa usb_config[1].interval = 50;/* 50 milliseconds */ 253192984Sthompsa usb_config[1].bufsize = sizeof(struct usb_device_request); 254192984Sthompsa usb_config[1].callback = &ugen_write_clear_stall_callback; 255192984Sthompsa usb_config[1].usb_mode = USB_MODE_HOST; 256184610Salfred 257192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 258192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 259239214Shselasky usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 260192984Sthompsa usb_config[0].direction = UE_DIR_TX; 261192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 262192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 263192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 264184610Salfred 265184610Salfred switch (ed->bmAttributes & UE_XFERTYPE) { 266184610Salfred case UE_INTERRUPT: 267184610Salfred case UE_BULK: 268184610Salfred if (f->flag_short) { 269192984Sthompsa usb_config[0].flags.force_short_xfer = 1; 270184610Salfred } 271207080Sthompsa usb_config[0].callback = &ugen_ctrl_write_callback; 272192984Sthompsa usb_config[0].timeout = f->timeout; 273192984Sthompsa usb_config[0].frames = 1; 274192984Sthompsa usb_config[0].bufsize = f->bufsize; 275192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 276184610Salfred return (EIO); 277184610Salfred } 278184610Salfred /* first transfer does not clear stall */ 279184610Salfred f->flag_stall = 0; 280184610Salfred break; 281184610Salfred 282184610Salfred case UE_ISOCHRONOUS: 283192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 284192984Sthompsa usb_config[0].bufsize = 0; /* use default */ 285192984Sthompsa usb_config[0].frames = f->nframes; 286192984Sthompsa usb_config[0].callback = &ugen_isoc_write_callback; 287192984Sthompsa usb_config[0].timeout = 0; 288184610Salfred 289184610Salfred /* clone configuration */ 290192984Sthompsa usb_config[1] = usb_config[0]; 291184610Salfred 292192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 293184610Salfred return (EIO); 294184610Salfred } 295184610Salfred break; 296184610Salfred default: 297184610Salfred return (EINVAL); 298184610Salfred } 299184610Salfred return (0); 300184610Salfred} 301184610Salfred 302184610Salfredstatic int 303192984Sthompsaugen_open_pipe_read(struct usb_fifo *f) 304184610Salfred{ 305192984Sthompsa struct usb_config usb_config[2]; 306194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 307193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 308184610Salfred 309184610Salfred mtx_assert(f->priv_mtx, MA_OWNED); 310184610Salfred 311184610Salfred if (f->xfer[0] || f->xfer[1]) { 312184610Salfred /* transfers are already opened */ 313184610Salfred return (0); 314184610Salfred } 315227461Shselasky memset(usb_config, 0, sizeof(usb_config)); 316184610Salfred 317192984Sthompsa usb_config[1].type = UE_CONTROL; 318192984Sthompsa usb_config[1].endpoint = 0; 319192984Sthompsa usb_config[1].direction = UE_DIR_ANY; 320192984Sthompsa usb_config[1].timeout = 1000; /* 1 second */ 321192984Sthompsa usb_config[1].interval = 50;/* 50 milliseconds */ 322192984Sthompsa usb_config[1].bufsize = sizeof(struct usb_device_request); 323192984Sthompsa usb_config[1].callback = &ugen_read_clear_stall_callback; 324192984Sthompsa usb_config[1].usb_mode = USB_MODE_HOST; 325184610Salfred 326192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 327192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 328239214Shselasky usb_config[0].stream_id = 0; /* XXX support more stream ID's */ 329192984Sthompsa usb_config[0].direction = UE_DIR_RX; 330192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 331192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 332192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 333184610Salfred 334184610Salfred switch (ed->bmAttributes & UE_XFERTYPE) { 335184610Salfred case UE_INTERRUPT: 336184610Salfred case UE_BULK: 337184610Salfred if (f->flag_short) { 338192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 339184610Salfred } 340192984Sthompsa usb_config[0].timeout = f->timeout; 341192984Sthompsa usb_config[0].frames = 1; 342207080Sthompsa usb_config[0].callback = &ugen_ctrl_read_callback; 343192984Sthompsa usb_config[0].bufsize = f->bufsize; 344184610Salfred 345192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 346184610Salfred return (EIO); 347184610Salfred } 348184610Salfred /* first transfer does not clear stall */ 349184610Salfred f->flag_stall = 0; 350184610Salfred break; 351184610Salfred 352184610Salfred case UE_ISOCHRONOUS: 353192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 354192984Sthompsa usb_config[0].bufsize = 0; /* use default */ 355192984Sthompsa usb_config[0].frames = f->nframes; 356192984Sthompsa usb_config[0].callback = &ugen_isoc_read_callback; 357192984Sthompsa usb_config[0].timeout = 0; 358184610Salfred 359184610Salfred /* clone configuration */ 360192984Sthompsa usb_config[1] = usb_config[0]; 361184610Salfred 362192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 363184610Salfred return (EIO); 364184610Salfred } 365184610Salfred break; 366184610Salfred 367184610Salfred default: 368184610Salfred return (EINVAL); 369184610Salfred } 370184610Salfred return (0); 371184610Salfred} 372184610Salfred 373184610Salfredstatic void 374192984Sthompsaugen_start_read(struct usb_fifo *f) 375184610Salfred{ 376184610Salfred /* check that pipes are open */ 377184610Salfred if (ugen_open_pipe_read(f)) { 378184610Salfred /* signal error */ 379194228Sthompsa usb_fifo_put_data_error(f); 380184610Salfred } 381184610Salfred /* start transfers */ 382194228Sthompsa usbd_transfer_start(f->xfer[0]); 383194228Sthompsa usbd_transfer_start(f->xfer[1]); 384184610Salfred} 385184610Salfred 386184610Salfredstatic void 387192984Sthompsaugen_start_write(struct usb_fifo *f) 388184610Salfred{ 389184610Salfred /* check that pipes are open */ 390184610Salfred if (ugen_open_pipe_write(f)) { 391184610Salfred /* signal error */ 392194228Sthompsa usb_fifo_get_data_error(f); 393184610Salfred } 394184610Salfred /* start transfers */ 395194228Sthompsa usbd_transfer_start(f->xfer[0]); 396194228Sthompsa usbd_transfer_start(f->xfer[1]); 397184610Salfred} 398184610Salfred 399184610Salfredstatic void 400192984Sthompsaugen_stop_io(struct usb_fifo *f) 401184610Salfred{ 402184610Salfred /* stop transfers */ 403194228Sthompsa usbd_transfer_stop(f->xfer[0]); 404194228Sthompsa usbd_transfer_stop(f->xfer[1]); 405184610Salfred} 406184610Salfred 407184610Salfredstatic void 408207080Sthompsaugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 409184610Salfred{ 410194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 411192984Sthompsa struct usb_mbuf *m; 412184610Salfred 413184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 414184610Salfred 415184610Salfred switch (USB_GET_STATE(xfer)) { 416184610Salfred case USB_ST_TRANSFERRED: 417184610Salfred if (xfer->actlen == 0) { 418184610Salfred if (f->fifo_zlp != 4) { 419184610Salfred f->fifo_zlp++; 420184610Salfred } else { 421184610Salfred /* 422184610Salfred * Throttle a little bit we have multiple ZLPs 423184610Salfred * in a row! 424184610Salfred */ 425184610Salfred xfer->interval = 64; /* ms */ 426184610Salfred } 427184610Salfred } else { 428184610Salfred /* clear throttle */ 429184610Salfred xfer->interval = 0; 430184610Salfred f->fifo_zlp = 0; 431184610Salfred } 432194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, 0, 433184610Salfred xfer->actlen, 1); 434184610Salfred 435184610Salfred case USB_ST_SETUP: 436184610Salfred if (f->flag_stall) { 437194228Sthompsa usbd_transfer_start(f->xfer[1]); 438184610Salfred break; 439184610Salfred } 440184610Salfred USB_IF_POLL(&f->free_q, m); 441184610Salfred if (m) { 442194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 443194228Sthompsa usbd_transfer_submit(xfer); 444184610Salfred } 445184610Salfred break; 446184610Salfred 447184610Salfred default: /* Error */ 448184610Salfred if (xfer->error != USB_ERR_CANCELLED) { 449190188Sthompsa /* send a zero length packet to userland */ 450194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 451184610Salfred f->flag_stall = 1; 452184610Salfred f->fifo_zlp = 0; 453194228Sthompsa usbd_transfer_start(f->xfer[1]); 454184610Salfred } 455184610Salfred break; 456184610Salfred } 457184610Salfred} 458184610Salfred 459184610Salfredstatic void 460207080Sthompsaugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 461184610Salfred{ 462194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 463193045Sthompsa usb_frlength_t actlen; 464184610Salfred 465184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 466184610Salfred 467184610Salfred switch (USB_GET_STATE(xfer)) { 468184610Salfred case USB_ST_SETUP: 469184610Salfred case USB_ST_TRANSFERRED: 470184610Salfred /* 471184610Salfred * If writing is in stall, just jump to clear stall 472184610Salfred * callback and solve the situation. 473184610Salfred */ 474184610Salfred if (f->flag_stall) { 475194228Sthompsa usbd_transfer_start(f->xfer[1]); 476184610Salfred break; 477184610Salfred } 478184610Salfred /* 479184610Salfred * Write data, setup and perform hardware transfer. 480184610Salfred */ 481194228Sthompsa if (usb_fifo_get_data(f, xfer->frbuffers, 0, 482184610Salfred xfer->max_data_length, &actlen, 0)) { 483194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, actlen); 484194228Sthompsa usbd_transfer_submit(xfer); 485184610Salfred } 486184610Salfred break; 487184610Salfred 488184610Salfred default: /* Error */ 489184610Salfred if (xfer->error != USB_ERR_CANCELLED) { 490184610Salfred f->flag_stall = 1; 491194228Sthompsa usbd_transfer_start(f->xfer[1]); 492184610Salfred } 493184610Salfred break; 494184610Salfred } 495184610Salfred} 496184610Salfred 497184610Salfredstatic void 498194677Sthompsaugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 499184610Salfred{ 500194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 501192984Sthompsa struct usb_xfer *xfer_other = f->xfer[0]; 502184610Salfred 503184610Salfred if (f->flag_stall == 0) { 504184610Salfred /* nothing to do */ 505184610Salfred return; 506184610Salfred } 507194228Sthompsa if (usbd_clear_stall_callback(xfer, xfer_other)) { 508184610Salfred DPRINTFN(5, "f=%p: stall cleared\n", f); 509184610Salfred f->flag_stall = 0; 510194228Sthompsa usbd_transfer_start(xfer_other); 511184610Salfred } 512184610Salfred} 513184610Salfred 514184610Salfredstatic void 515194677Sthompsaugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 516184610Salfred{ 517194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 518192984Sthompsa struct usb_xfer *xfer_other = f->xfer[0]; 519184610Salfred 520184610Salfred if (f->flag_stall == 0) { 521184610Salfred /* nothing to do */ 522184610Salfred return; 523184610Salfred } 524194228Sthompsa if (usbd_clear_stall_callback(xfer, xfer_other)) { 525184610Salfred DPRINTFN(5, "f=%p: stall cleared\n", f); 526184610Salfred f->flag_stall = 0; 527194228Sthompsa usbd_transfer_start(xfer_other); 528184610Salfred } 529184610Salfred} 530184610Salfred 531184610Salfredstatic void 532194677Sthompsaugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 533184610Salfred{ 534194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 535193045Sthompsa usb_frlength_t offset; 536193045Sthompsa usb_frcount_t n; 537184610Salfred 538184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 539184610Salfred 540184610Salfred switch (USB_GET_STATE(xfer)) { 541184610Salfred case USB_ST_TRANSFERRED: 542184610Salfred 543184610Salfred DPRINTFN(6, "actlen=%d\n", xfer->actlen); 544184610Salfred 545184610Salfred offset = 0; 546184610Salfred 547184610Salfred for (n = 0; n != xfer->aframes; n++) { 548194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, offset, 549184610Salfred xfer->frlengths[n], 1); 550184610Salfred offset += xfer->max_frame_size; 551184610Salfred } 552184610Salfred 553184610Salfred case USB_ST_SETUP: 554184610Salfredtr_setup: 555184610Salfred for (n = 0; n != xfer->nframes; n++) { 556184610Salfred /* setup size for next transfer */ 557194677Sthompsa usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 558184610Salfred } 559194228Sthompsa usbd_transfer_submit(xfer); 560184610Salfred break; 561184610Salfred 562184610Salfred default: /* Error */ 563184610Salfred if (xfer->error == USB_ERR_CANCELLED) { 564184610Salfred break; 565184610Salfred } 566184610Salfred goto tr_setup; 567184610Salfred } 568184610Salfred} 569184610Salfred 570184610Salfredstatic void 571194677Sthompsaugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 572184610Salfred{ 573194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 574193045Sthompsa usb_frlength_t actlen; 575193045Sthompsa usb_frlength_t offset; 576193045Sthompsa usb_frcount_t n; 577184610Salfred 578184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 579184610Salfred 580184610Salfred switch (USB_GET_STATE(xfer)) { 581184610Salfred case USB_ST_TRANSFERRED: 582184610Salfred case USB_ST_SETUP: 583184610Salfredtr_setup: 584184610Salfred offset = 0; 585184610Salfred for (n = 0; n != xfer->nframes; n++) { 586194228Sthompsa if (usb_fifo_get_data(f, xfer->frbuffers, offset, 587184610Salfred xfer->max_frame_size, &actlen, 1)) { 588194677Sthompsa usbd_xfer_set_frame_len(xfer, n, actlen); 589184610Salfred offset += actlen; 590184610Salfred } else { 591184610Salfred break; 592184610Salfred } 593184610Salfred } 594184610Salfred 595184610Salfred for (; n != xfer->nframes; n++) { 596184610Salfred /* fill in zero frames */ 597194677Sthompsa usbd_xfer_set_frame_len(xfer, n, 0); 598184610Salfred } 599194228Sthompsa usbd_transfer_submit(xfer); 600184610Salfred break; 601184610Salfred 602184610Salfred default: /* Error */ 603184610Salfred if (xfer->error == USB_ERR_CANCELLED) { 604184610Salfred break; 605184610Salfred } 606184610Salfred goto tr_setup; 607184610Salfred } 608184610Salfred} 609184610Salfred 610184610Salfredstatic int 611192984Sthompsaugen_set_config(struct usb_fifo *f, uint8_t index) 612184610Salfred{ 613184610Salfred DPRINTFN(2, "index %u\n", index); 614184610Salfred 615192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 616184610Salfred /* not possible in device side mode */ 617184610Salfred return (ENOTTY); 618184610Salfred } 619267347Shselasky 620185290Salfred /* make sure all FIFO's are gone */ 621185290Salfred /* else there can be a deadlock */ 622185290Salfred if (ugen_fs_uninit(f)) { 623185290Salfred /* ignore any errors */ 624185290Salfred DPRINTFN(6, "no FIFOs\n"); 625185290Salfred } 626267347Shselasky 627267347Shselasky if (usbd_start_set_config(f->udev, index) != 0) 628184610Salfred return (EIO); 629267347Shselasky 630184610Salfred return (0); 631184610Salfred} 632184610Salfred 633184610Salfredstatic int 634192984Sthompsaugen_set_interface(struct usb_fifo *f, 635184610Salfred uint8_t iface_index, uint8_t alt_index) 636184610Salfred{ 637184610Salfred DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 638184610Salfred 639192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 640184610Salfred /* not possible in device side mode */ 641184610Salfred return (ENOTTY); 642184610Salfred } 643185290Salfred /* make sure all FIFO's are gone */ 644185290Salfred /* else there can be a deadlock */ 645185290Salfred if (ugen_fs_uninit(f)) { 646185290Salfred /* ignore any errors */ 647185290Salfred DPRINTFN(6, "no FIFOs\n"); 648185290Salfred } 649184610Salfred /* change setting - will free generic FIFOs, if any */ 650194228Sthompsa if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 651184610Salfred return (EIO); 652184610Salfred } 653184610Salfred /* probe and attach */ 654194228Sthompsa if (usb_probe_and_attach(f->udev, iface_index)) { 655184610Salfred return (EIO); 656184610Salfred } 657184610Salfred return (0); 658184610Salfred} 659184610Salfred 660184610Salfred/*------------------------------------------------------------------------* 661184610Salfred * ugen_get_cdesc 662184610Salfred * 663184610Salfred * This function will retrieve the complete configuration descriptor 664184610Salfred * at the given index. 665184610Salfred *------------------------------------------------------------------------*/ 666184610Salfredstatic int 667192984Sthompsaugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 668184610Salfred{ 669192984Sthompsa struct usb_config_descriptor *cdesc; 670192984Sthompsa struct usb_device *udev = f->udev; 671184610Salfred int error; 672184610Salfred uint16_t len; 673184610Salfred uint8_t free_data; 674184610Salfred 675184610Salfred DPRINTFN(6, "\n"); 676184610Salfred 677184610Salfred if (ugd->ugd_data == NULL) { 678184610Salfred /* userland pointer should not be zero */ 679184610Salfred return (EINVAL); 680184610Salfred } 681184610Salfred if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 682184610Salfred (ugd->ugd_config_index == udev->curr_config_index)) { 683194228Sthompsa cdesc = usbd_get_config_descriptor(udev); 684250207Shselasky if (cdesc == NULL) 685184610Salfred return (ENXIO); 686184610Salfred free_data = 0; 687184610Salfred 688184610Salfred } else { 689250207Shselasky#if (USB_HAVE_FIXED_CONFIG == 0) 690194228Sthompsa if (usbd_req_get_config_desc_full(udev, 691250207Shselasky NULL, &cdesc, ugd->ugd_config_index)) { 692184610Salfred return (ENXIO); 693184610Salfred } 694184610Salfred free_data = 1; 695250207Shselasky#else 696250207Shselasky /* configuration descriptor data is shared */ 697250207Shselasky return (EINVAL); 698250207Shselasky#endif 699184610Salfred } 700184610Salfred 701184610Salfred len = UGETW(cdesc->wTotalLength); 702184610Salfred if (len > ugd->ugd_maxlen) { 703184610Salfred len = ugd->ugd_maxlen; 704184610Salfred } 705184610Salfred DPRINTFN(6, "len=%u\n", len); 706184610Salfred 707184610Salfred ugd->ugd_actlen = len; 708184610Salfred ugd->ugd_offset = 0; 709184610Salfred 710184610Salfred error = copyout(cdesc, ugd->ugd_data, len); 711184610Salfred 712250207Shselasky if (free_data) 713250207Shselasky usbd_free_config_desc(udev, cdesc); 714250207Shselasky 715184610Salfred return (error); 716184610Salfred} 717184610Salfred 718246616Shselasky/* 719246616Shselasky * This function is called having the enumeration SX locked which 720246616Shselasky * protects the scratch area used. 721246616Shselasky */ 722184610Salfredstatic int 723192984Sthompsaugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 724184610Salfred{ 725246616Shselasky void *ptr; 726246616Shselasky uint16_t size; 727184610Salfred int error; 728184610Salfred 729246616Shselasky ptr = f->udev->scratch.data; 730246616Shselasky size = sizeof(f->udev->scratch.data); 731246616Shselasky 732194228Sthompsa if (usbd_req_get_string_desc(f->udev, NULL, ptr, 733184610Salfred size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 734184610Salfred error = EINVAL; 735184610Salfred } else { 736184610Salfred 737184610Salfred if (size > ((uint8_t *)ptr)[0]) { 738184610Salfred size = ((uint8_t *)ptr)[0]; 739184610Salfred } 740184610Salfred if (size > ugd->ugd_maxlen) { 741184610Salfred size = ugd->ugd_maxlen; 742184610Salfred } 743184610Salfred ugd->ugd_actlen = size; 744184610Salfred ugd->ugd_offset = 0; 745184610Salfred 746184610Salfred error = copyout(ptr, ugd->ugd_data, size); 747184610Salfred } 748184610Salfred return (error); 749184610Salfred} 750184610Salfred 751184610Salfred/*------------------------------------------------------------------------* 752188622Sthompsa * ugen_get_iface_driver 753184610Salfred * 754188622Sthompsa * This function generates an USB interface description for userland. 755184610Salfred * 756184610Salfred * Returns: 757184610Salfred * 0: Success 758184610Salfred * Else: Failure 759184610Salfred *------------------------------------------------------------------------*/ 760184610Salfredstatic int 761192984Sthompsaugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 762184610Salfred{ 763192984Sthompsa struct usb_device *udev = f->udev; 764192984Sthompsa struct usb_interface *iface; 765184610Salfred const char *ptr; 766188622Sthompsa const char *desc; 767188622Sthompsa unsigned int len; 768188622Sthompsa unsigned int maxlen; 769188622Sthompsa char buf[128]; 770188622Sthompsa int error; 771184610Salfred 772188622Sthompsa DPRINTFN(6, "\n"); 773184610Salfred 774188622Sthompsa if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 775188622Sthompsa /* userland pointer should not be zero */ 776184610Salfred return (EINVAL); 777184610Salfred } 778188622Sthompsa 779194228Sthompsa iface = usbd_get_iface(udev, ugd->ugd_iface_index); 780188622Sthompsa if ((iface == NULL) || (iface->idesc == NULL)) { 781188622Sthompsa /* invalid interface index */ 782188622Sthompsa return (EINVAL); 783184610Salfred } 784188622Sthompsa 785188622Sthompsa /* read out device nameunit string, if any */ 786188622Sthompsa if ((iface->subdev != NULL) && 787188622Sthompsa device_is_attached(iface->subdev) && 788188622Sthompsa (ptr = device_get_nameunit(iface->subdev)) && 789188622Sthompsa (desc = device_get_desc(iface->subdev))) { 790188622Sthompsa 791188622Sthompsa /* print description */ 792188622Sthompsa snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 793188622Sthompsa 794188622Sthompsa /* range checks */ 795188622Sthompsa maxlen = ugd->ugd_maxlen - 1; 796188622Sthompsa len = strlen(buf); 797188622Sthompsa if (len > maxlen) 798188622Sthompsa len = maxlen; 799188622Sthompsa 800188622Sthompsa /* update actual length, including terminating zero */ 801188622Sthompsa ugd->ugd_actlen = len + 1; 802188622Sthompsa 803188622Sthompsa /* copy out interface description */ 804188622Sthompsa error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 805188622Sthompsa } else { 806188622Sthompsa /* zero length string is default */ 807188622Sthompsa error = copyout("", ugd->ugd_data, 1); 808184610Salfred } 809188622Sthompsa return (error); 810184610Salfred} 811184610Salfred 812184610Salfred/*------------------------------------------------------------------------* 813194228Sthompsa * usb_gen_fill_deviceinfo 814184610Salfred * 815184610Salfred * This function dumps information about an USB device to the 816184610Salfred * structure pointed to by the "di" argument. 817184610Salfred * 818184610Salfred * Returns: 819184610Salfred * 0: Success 820184610Salfred * Else: Failure 821184610Salfred *------------------------------------------------------------------------*/ 822184610Salfredstatic int 823194228Sthompsausb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 824184610Salfred{ 825192984Sthompsa struct usb_device *udev; 826192984Sthompsa struct usb_device *hub; 827184610Salfred 828184610Salfred udev = f->udev; 829184610Salfred 830184610Salfred bzero(di, sizeof(di[0])); 831184610Salfred 832184610Salfred di->udi_bus = device_get_unit(udev->bus->bdev); 833184610Salfred di->udi_addr = udev->address; 834184610Salfred di->udi_index = udev->device_index; 835212136Sthompsa strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 836212136Sthompsa strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 837212136Sthompsa strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 838194228Sthompsa usb_printbcd(di->udi_release, sizeof(di->udi_release), 839184610Salfred UGETW(udev->ddesc.bcdDevice)); 840184610Salfred di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 841184610Salfred di->udi_productNo = UGETW(udev->ddesc.idProduct); 842184610Salfred di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 843184610Salfred di->udi_class = udev->ddesc.bDeviceClass; 844184610Salfred di->udi_subclass = udev->ddesc.bDeviceSubClass; 845184610Salfred di->udi_protocol = udev->ddesc.bDeviceProtocol; 846184610Salfred di->udi_config_no = udev->curr_config_no; 847184610Salfred di->udi_config_index = udev->curr_config_index; 848184610Salfred di->udi_power = udev->flags.self_powered ? 0 : udev->power; 849184610Salfred di->udi_speed = udev->speed; 850192499Sthompsa di->udi_mode = udev->flags.usb_mode; 851184610Salfred di->udi_power_mode = udev->power_mode; 852191824Sthompsa di->udi_suspended = udev->flags.peer_suspended; 853184610Salfred 854184610Salfred hub = udev->parent_hub; 855184610Salfred if (hub) { 856184610Salfred di->udi_hubaddr = hub->address; 857184610Salfred di->udi_hubindex = hub->device_index; 858184610Salfred di->udi_hubport = udev->port_no; 859184610Salfred } 860184610Salfred return (0); 861184610Salfred} 862184610Salfred 863184610Salfred/*------------------------------------------------------------------------* 864184610Salfred * ugen_check_request 865184610Salfred * 866184610Salfred * Return values: 867184610Salfred * 0: Access allowed 868184610Salfred * Else: No access 869184610Salfred *------------------------------------------------------------------------*/ 870184610Salfredstatic int 871192984Sthompsaugen_check_request(struct usb_device *udev, struct usb_device_request *req) 872184610Salfred{ 873193644Sthompsa struct usb_endpoint *ep; 874184610Salfred int error; 875184610Salfred 876184610Salfred /* 877184610Salfred * Avoid requests that would damage the bus integrity: 878184610Salfred */ 879184610Salfred if (((req->bmRequestType == UT_WRITE_DEVICE) && 880184610Salfred (req->bRequest == UR_SET_ADDRESS)) || 881184610Salfred ((req->bmRequestType == UT_WRITE_DEVICE) && 882184610Salfred (req->bRequest == UR_SET_CONFIG)) || 883184610Salfred ((req->bmRequestType == UT_WRITE_INTERFACE) && 884184610Salfred (req->bRequest == UR_SET_INTERFACE))) { 885184610Salfred /* 886184610Salfred * These requests can be useful for testing USB drivers. 887184610Salfred */ 888184610Salfred error = priv_check(curthread, PRIV_DRIVER); 889184610Salfred if (error) { 890184610Salfred return (error); 891184610Salfred } 892184610Salfred } 893184610Salfred /* 894184610Salfred * Special case - handle clearing of stall 895184610Salfred */ 896184610Salfred if (req->bmRequestType == UT_WRITE_ENDPOINT) { 897184610Salfred 898194228Sthompsa ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 899193644Sthompsa if (ep == NULL) { 900184610Salfred return (EINVAL); 901184610Salfred } 902184610Salfred if ((req->bRequest == UR_CLEAR_FEATURE) && 903184610Salfred (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 904194228Sthompsa usbd_clear_data_toggle(udev, ep); 905184610Salfred } 906184610Salfred } 907184610Salfred /* TODO: add more checks to verify the interface index */ 908184610Salfred 909184610Salfred return (0); 910184610Salfred} 911184610Salfred 912184610Salfredint 913192984Sthompsaugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 914184610Salfred{ 915184610Salfred int error; 916184610Salfred uint16_t len; 917184610Salfred uint16_t actlen; 918184610Salfred 919184610Salfred if (ugen_check_request(f->udev, &ur->ucr_request)) { 920184610Salfred return (EPERM); 921184610Salfred } 922184610Salfred len = UGETW(ur->ucr_request.wLength); 923184610Salfred 924184610Salfred /* check if "ucr_data" is valid */ 925184610Salfred if (len != 0) { 926184610Salfred if (ur->ucr_data == NULL) { 927184610Salfred return (EFAULT); 928184610Salfred } 929184610Salfred } 930184610Salfred /* do the USB request */ 931194228Sthompsa error = usbd_do_request_flags 932184610Salfred (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 933184610Salfred (ur->ucr_flags & USB_SHORT_XFER_OK) | 934184610Salfred USB_USER_DATA_PTR, &actlen, 935184610Salfred USB_DEFAULT_TIMEOUT); 936184610Salfred 937184610Salfred ur->ucr_actlen = actlen; 938184610Salfred 939184610Salfred if (error) { 940184610Salfred error = EIO; 941184610Salfred } 942184610Salfred return (error); 943184610Salfred} 944184610Salfred 945184610Salfred/*------------------------------------------------------------------------ 946184610Salfred * ugen_re_enumerate 947184610Salfred *------------------------------------------------------------------------*/ 948184610Salfredstatic int 949192984Sthompsaugen_re_enumerate(struct usb_fifo *f) 950184610Salfred{ 951192984Sthompsa struct usb_device *udev = f->udev; 952184610Salfred int error; 953184610Salfred 954184610Salfred /* 955184610Salfred * This request can be useful for testing USB drivers: 956184610Salfred */ 957184610Salfred error = priv_check(curthread, PRIV_DRIVER); 958184610Salfred if (error) { 959184610Salfred return (error); 960184610Salfred } 961213432Shselasky if (udev->flags.usb_mode != USB_MODE_HOST) { 962213432Shselasky /* not possible in device side mode */ 963219395Shselasky DPRINTFN(6, "device mode\n"); 964213432Shselasky return (ENOTTY); 965185087Salfred } 966213432Shselasky /* make sure all FIFO's are gone */ 967213432Shselasky /* else there can be a deadlock */ 968213432Shselasky if (ugen_fs_uninit(f)) { 969213432Shselasky /* ignore any errors */ 970213432Shselasky DPRINTFN(6, "no FIFOs\n"); 971184610Salfred } 972222786Shselasky /* start re-enumeration of device */ 973222786Shselasky usbd_start_re_enumerate(udev); 974184610Salfred return (0); 975184610Salfred} 976184610Salfred 977185087Salfredint 978192984Sthompsaugen_fs_uninit(struct usb_fifo *f) 979184610Salfred{ 980184610Salfred if (f->fs_xfer == NULL) { 981184610Salfred return (EINVAL); 982184610Salfred } 983194228Sthompsa usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 984184610Salfred free(f->fs_xfer, M_USB); 985184610Salfred f->fs_xfer = NULL; 986184610Salfred f->fs_ep_max = 0; 987184610Salfred f->fs_ep_ptr = NULL; 988184610Salfred f->flag_iscomplete = 0; 989194228Sthompsa usb_fifo_free_buffer(f); 990184610Salfred return (0); 991184610Salfred} 992184610Salfred 993184610Salfredstatic uint8_t 994192984Sthompsaugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 995184610Salfred{ 996192984Sthompsa struct usb_mbuf *m; 997184610Salfred 998184610Salfred USB_IF_DEQUEUE(&f->used_q, m); 999184610Salfred 1000184610Salfred if (m) { 1001184610Salfred *pindex = *((uint8_t *)(m->cur_data_ptr)); 1002184610Salfred 1003184610Salfred USB_IF_ENQUEUE(&f->free_q, m); 1004184610Salfred 1005184610Salfred return (0); /* success */ 1006184610Salfred } else { 1007184610Salfred 1008184610Salfred *pindex = 0; /* fix compiler warning */ 1009184610Salfred 1010184610Salfred f->flag_iscomplete = 0; 1011184610Salfred } 1012184610Salfred return (1); /* failure */ 1013184610Salfred} 1014184610Salfred 1015184610Salfredstatic void 1016192984Sthompsaugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1017184610Salfred{ 1018192984Sthompsa struct usb_mbuf *m; 1019184610Salfred 1020184610Salfred USB_IF_DEQUEUE(&f->free_q, m); 1021184610Salfred 1022184610Salfred if (m == NULL) { 1023184610Salfred /* can happen during close */ 1024184610Salfred DPRINTF("out of buffers\n"); 1025184610Salfred return; 1026184610Salfred } 1027184610Salfred USB_MBUF_RESET(m); 1028184610Salfred 1029184610Salfred *((uint8_t *)(m->cur_data_ptr)) = index; 1030184610Salfred 1031184610Salfred USB_IF_ENQUEUE(&f->used_q, m); 1032184610Salfred 1033184610Salfred f->flag_iscomplete = 1; 1034184610Salfred 1035194228Sthompsa usb_fifo_wakeup(f); 1036184610Salfred} 1037184610Salfred 1038184610Salfredstatic int 1039192984Sthompsaugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1040184610Salfred{ 1041192984Sthompsa struct usb_device_request *req; 1042192984Sthompsa struct usb_xfer *xfer; 1043192984Sthompsa struct usb_fs_endpoint fs_ep; 1044184610Salfred void *uaddr; /* userland pointer */ 1045184610Salfred void *kaddr; 1046193045Sthompsa usb_frlength_t offset; 1047193045Sthompsa usb_frlength_t rem; 1048193045Sthompsa usb_frcount_t n; 1049184610Salfred uint32_t length; 1050184610Salfred int error; 1051184610Salfred uint8_t isread; 1052184610Salfred 1053184610Salfred if (ep_index >= f->fs_ep_max) { 1054184610Salfred return (EINVAL); 1055184610Salfred } 1056184610Salfred xfer = f->fs_xfer[ep_index]; 1057184610Salfred if (xfer == NULL) { 1058184610Salfred return (EINVAL); 1059184610Salfred } 1060184610Salfred mtx_lock(f->priv_mtx); 1061194228Sthompsa if (usbd_transfer_pending(xfer)) { 1062184610Salfred mtx_unlock(f->priv_mtx); 1063184610Salfred return (EBUSY); /* should not happen */ 1064184610Salfred } 1065184610Salfred mtx_unlock(f->priv_mtx); 1066184610Salfred 1067184610Salfred error = copyin(f->fs_ep_ptr + 1068184610Salfred ep_index, &fs_ep, sizeof(fs_ep)); 1069184610Salfred if (error) { 1070184610Salfred return (error); 1071184610Salfred } 1072184610Salfred /* security checks */ 1073184610Salfred 1074184610Salfred if (fs_ep.nFrames > xfer->max_frame_count) { 1075184610Salfred xfer->error = USB_ERR_INVAL; 1076184610Salfred goto complete; 1077184610Salfred } 1078184610Salfred if (fs_ep.nFrames == 0) { 1079184610Salfred xfer->error = USB_ERR_INVAL; 1080184610Salfred goto complete; 1081184610Salfred } 1082184610Salfred error = copyin(fs_ep.ppBuffer, 1083184610Salfred &uaddr, sizeof(uaddr)); 1084184610Salfred if (error) { 1085184610Salfred return (error); 1086184610Salfred } 1087184610Salfred /* reset first frame */ 1088194677Sthompsa usbd_xfer_set_frame_offset(xfer, 0, 0); 1089184610Salfred 1090184610Salfred if (xfer->flags_int.control_xfr) { 1091184610Salfred 1092184610Salfred req = xfer->frbuffers[0].buffer; 1093184610Salfred 1094184610Salfred error = copyin(fs_ep.pLength, 1095184610Salfred &length, sizeof(length)); 1096184610Salfred if (error) { 1097184610Salfred return (error); 1098184610Salfred } 1099194659Sthompsa if (length != sizeof(*req)) { 1100184610Salfred xfer->error = USB_ERR_INVAL; 1101184610Salfred goto complete; 1102184610Salfred } 1103184610Salfred if (length != 0) { 1104184610Salfred error = copyin(uaddr, req, length); 1105184610Salfred if (error) { 1106184610Salfred return (error); 1107184610Salfred } 1108184610Salfred } 1109184610Salfred if (ugen_check_request(f->udev, req)) { 1110184610Salfred xfer->error = USB_ERR_INVAL; 1111184610Salfred goto complete; 1112184610Salfred } 1113194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, length); 1114184610Salfred 1115184610Salfred /* Host mode only ! */ 1116184610Salfred if ((req->bmRequestType & 1117184610Salfred (UT_READ | UT_WRITE)) == UT_READ) { 1118184610Salfred isread = 1; 1119184610Salfred } else { 1120184610Salfred isread = 0; 1121184610Salfred } 1122184610Salfred n = 1; 1123184610Salfred offset = sizeof(*req); 1124184610Salfred 1125184610Salfred } else { 1126184610Salfred /* Device and Host mode */ 1127184610Salfred if (USB_GET_DATA_ISREAD(xfer)) { 1128184610Salfred isread = 1; 1129184610Salfred } else { 1130184610Salfred isread = 0; 1131184610Salfred } 1132184610Salfred n = 0; 1133184610Salfred offset = 0; 1134184610Salfred } 1135184610Salfred 1136194677Sthompsa rem = usbd_xfer_max_len(xfer); 1137184610Salfred xfer->nframes = fs_ep.nFrames; 1138184610Salfred xfer->timeout = fs_ep.timeout; 1139184610Salfred if (xfer->timeout > 65535) { 1140184610Salfred xfer->timeout = 65535; 1141184610Salfred } 1142184610Salfred if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1143184610Salfred xfer->flags.short_xfer_ok = 1; 1144184610Salfred else 1145184610Salfred xfer->flags.short_xfer_ok = 0; 1146184610Salfred 1147184610Salfred if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1148184610Salfred xfer->flags.short_frames_ok = 1; 1149184610Salfred else 1150184610Salfred xfer->flags.short_frames_ok = 0; 1151184610Salfred 1152184610Salfred if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1153184610Salfred xfer->flags.force_short_xfer = 1; 1154184610Salfred else 1155184610Salfred xfer->flags.force_short_xfer = 0; 1156184610Salfred 1157184610Salfred if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1158194677Sthompsa usbd_xfer_set_stall(xfer); 1159184610Salfred else 1160184610Salfred xfer->flags.stall_pipe = 0; 1161184610Salfred 1162184610Salfred for (; n != xfer->nframes; n++) { 1163184610Salfred 1164184610Salfred error = copyin(fs_ep.pLength + n, 1165184610Salfred &length, sizeof(length)); 1166184610Salfred if (error) { 1167184610Salfred break; 1168184610Salfred } 1169194677Sthompsa usbd_xfer_set_frame_len(xfer, n, length); 1170184610Salfred 1171184610Salfred if (length > rem) { 1172184610Salfred xfer->error = USB_ERR_INVAL; 1173184610Salfred goto complete; 1174184610Salfred } 1175184610Salfred rem -= length; 1176184610Salfred 1177184610Salfred if (!isread) { 1178184610Salfred 1179184610Salfred /* we need to know the source buffer */ 1180184610Salfred error = copyin(fs_ep.ppBuffer + n, 1181184610Salfred &uaddr, sizeof(uaddr)); 1182184610Salfred if (error) { 1183184610Salfred break; 1184184610Salfred } 1185184610Salfred if (xfer->flags_int.isochronous_xfr) { 1186184610Salfred /* get kernel buffer address */ 1187184610Salfred kaddr = xfer->frbuffers[0].buffer; 1188184610Salfred kaddr = USB_ADD_BYTES(kaddr, offset); 1189184610Salfred } else { 1190184610Salfred /* set current frame offset */ 1191194677Sthompsa usbd_xfer_set_frame_offset(xfer, offset, n); 1192184610Salfred 1193184610Salfred /* get kernel buffer address */ 1194184610Salfred kaddr = xfer->frbuffers[n].buffer; 1195184610Salfred } 1196184610Salfred 1197184610Salfred /* move data */ 1198184610Salfred error = copyin(uaddr, kaddr, length); 1199184610Salfred if (error) { 1200184610Salfred break; 1201184610Salfred } 1202184610Salfred } 1203184610Salfred offset += length; 1204184610Salfred } 1205184610Salfred return (error); 1206184610Salfred 1207184610Salfredcomplete: 1208184610Salfred mtx_lock(f->priv_mtx); 1209184610Salfred ugen_fs_set_complete(f, ep_index); 1210184610Salfred mtx_unlock(f->priv_mtx); 1211184610Salfred return (0); 1212184610Salfred} 1213184610Salfred 1214184610Salfredstatic int 1215192984Sthompsaugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1216184610Salfred{ 1217192984Sthompsa struct usb_device_request *req; 1218192984Sthompsa struct usb_xfer *xfer; 1219192984Sthompsa struct usb_fs_endpoint fs_ep; 1220192984Sthompsa struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1221184610Salfred void *uaddr; /* userland ptr */ 1222184610Salfred void *kaddr; 1223193045Sthompsa usb_frlength_t offset; 1224193045Sthompsa usb_frlength_t rem; 1225193045Sthompsa usb_frcount_t n; 1226184610Salfred uint32_t length; 1227184610Salfred uint32_t temp; 1228184610Salfred int error; 1229184610Salfred uint8_t isread; 1230184610Salfred 1231190181Sthompsa if (ep_index >= f->fs_ep_max) 1232184610Salfred return (EINVAL); 1233190181Sthompsa 1234184610Salfred xfer = f->fs_xfer[ep_index]; 1235190181Sthompsa if (xfer == NULL) 1236184610Salfred return (EINVAL); 1237190181Sthompsa 1238184610Salfred mtx_lock(f->priv_mtx); 1239194228Sthompsa if (usbd_transfer_pending(xfer)) { 1240184610Salfred mtx_unlock(f->priv_mtx); 1241184610Salfred return (EBUSY); /* should not happen */ 1242184610Salfred } 1243184610Salfred mtx_unlock(f->priv_mtx); 1244184610Salfred 1245184610Salfred fs_ep_uptr = f->fs_ep_ptr + ep_index; 1246184610Salfred error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1247184610Salfred if (error) { 1248184610Salfred return (error); 1249184610Salfred } 1250184610Salfred fs_ep.status = xfer->error; 1251184610Salfred fs_ep.aFrames = xfer->aframes; 1252184610Salfred fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1253184610Salfred if (xfer->error) { 1254184610Salfred goto complete; 1255184610Salfred } 1256184610Salfred if (xfer->flags_int.control_xfr) { 1257184610Salfred req = xfer->frbuffers[0].buffer; 1258184610Salfred 1259184610Salfred /* Host mode only ! */ 1260184610Salfred if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1261184610Salfred isread = 1; 1262184610Salfred } else { 1263184610Salfred isread = 0; 1264184610Salfred } 1265184610Salfred if (xfer->nframes == 0) 1266184610Salfred n = 0; /* should never happen */ 1267184610Salfred else 1268184610Salfred n = 1; 1269184610Salfred } else { 1270184610Salfred /* Device and Host mode */ 1271184610Salfred if (USB_GET_DATA_ISREAD(xfer)) { 1272184610Salfred isread = 1; 1273184610Salfred } else { 1274184610Salfred isread = 0; 1275184610Salfred } 1276184610Salfred n = 0; 1277184610Salfred } 1278184610Salfred 1279184610Salfred /* Update lengths and copy out data */ 1280184610Salfred 1281194677Sthompsa rem = usbd_xfer_max_len(xfer); 1282184610Salfred offset = 0; 1283184610Salfred 1284184610Salfred for (; n != xfer->nframes; n++) { 1285184610Salfred 1286184610Salfred /* get initial length into "temp" */ 1287184610Salfred error = copyin(fs_ep.pLength + n, 1288184610Salfred &temp, sizeof(temp)); 1289184610Salfred if (error) { 1290184610Salfred return (error); 1291184610Salfred } 1292184610Salfred if (temp > rem) { 1293184610Salfred /* the userland length has been corrupted */ 1294184610Salfred DPRINTF("corrupt userland length " 1295184610Salfred "%u > %u\n", temp, rem); 1296184610Salfred fs_ep.status = USB_ERR_INVAL; 1297184610Salfred goto complete; 1298184610Salfred } 1299184610Salfred rem -= temp; 1300184610Salfred 1301184610Salfred /* get actual transfer length */ 1302184610Salfred length = xfer->frlengths[n]; 1303184610Salfred if (length > temp) { 1304184610Salfred /* data overflow */ 1305184610Salfred fs_ep.status = USB_ERR_INVAL; 1306184610Salfred DPRINTF("data overflow %u > %u\n", 1307184610Salfred length, temp); 1308184610Salfred goto complete; 1309184610Salfred } 1310184610Salfred if (isread) { 1311184610Salfred 1312184610Salfred /* we need to know the destination buffer */ 1313184610Salfred error = copyin(fs_ep.ppBuffer + n, 1314184610Salfred &uaddr, sizeof(uaddr)); 1315184610Salfred if (error) { 1316184610Salfred return (error); 1317184610Salfred } 1318184610Salfred if (xfer->flags_int.isochronous_xfr) { 1319184610Salfred /* only one frame buffer */ 1320184610Salfred kaddr = USB_ADD_BYTES( 1321184610Salfred xfer->frbuffers[0].buffer, offset); 1322184610Salfred } else { 1323184610Salfred /* multiple frame buffers */ 1324184610Salfred kaddr = xfer->frbuffers[n].buffer; 1325184610Salfred } 1326184610Salfred 1327184610Salfred /* move data */ 1328184610Salfred error = copyout(kaddr, uaddr, length); 1329184610Salfred if (error) { 1330184610Salfred return (error); 1331184610Salfred } 1332184610Salfred } 1333184610Salfred /* 1334184610Salfred * Update offset according to initial length, which is 1335184610Salfred * needed by isochronous transfers! 1336184610Salfred */ 1337184610Salfred offset += temp; 1338184610Salfred 1339184610Salfred /* update length */ 1340184610Salfred error = copyout(&length, 1341184610Salfred fs_ep.pLength + n, sizeof(length)); 1342184610Salfred if (error) { 1343184610Salfred return (error); 1344184610Salfred } 1345184610Salfred } 1346184610Salfred 1347184610Salfredcomplete: 1348184610Salfred /* update "aFrames" */ 1349184610Salfred error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1350184610Salfred sizeof(fs_ep.aFrames)); 1351184610Salfred if (error) 1352184610Salfred goto done; 1353184610Salfred 1354184610Salfred /* update "isoc_time_complete" */ 1355184610Salfred error = copyout(&fs_ep.isoc_time_complete, 1356184610Salfred &fs_ep_uptr->isoc_time_complete, 1357184610Salfred sizeof(fs_ep.isoc_time_complete)); 1358184610Salfred if (error) 1359184610Salfred goto done; 1360184610Salfred /* update "status" */ 1361184610Salfred error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1362184610Salfred sizeof(fs_ep.status)); 1363184610Salfreddone: 1364184610Salfred return (error); 1365184610Salfred} 1366184610Salfred 1367184610Salfredstatic uint8_t 1368192984Sthompsaugen_fifo_in_use(struct usb_fifo *f, int fflags) 1369184610Salfred{ 1370192984Sthompsa struct usb_fifo *f_rx; 1371192984Sthompsa struct usb_fifo *f_tx; 1372184610Salfred 1373184610Salfred f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1374184610Salfred f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1375184610Salfred 1376184610Salfred if ((fflags & FREAD) && f_rx && 1377184610Salfred (f_rx->xfer[0] || f_rx->xfer[1])) { 1378184610Salfred return (1); /* RX FIFO in use */ 1379184610Salfred } 1380184610Salfred if ((fflags & FWRITE) && f_tx && 1381184610Salfred (f_tx->xfer[0] || f_tx->xfer[1])) { 1382184610Salfred return (1); /* TX FIFO in use */ 1383184610Salfred } 1384184610Salfred return (0); /* not in use */ 1385184610Salfred} 1386184610Salfred 1387184610Salfredstatic int 1388192984Sthompsaugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1389184610Salfred{ 1390192984Sthompsa struct usb_config usb_config[1]; 1391192984Sthompsa struct usb_device_request req; 1392184610Salfred union { 1393192984Sthompsa struct usb_fs_complete *pcomp; 1394192984Sthompsa struct usb_fs_start *pstart; 1395192984Sthompsa struct usb_fs_stop *pstop; 1396192984Sthompsa struct usb_fs_open *popen; 1397239238Shselasky struct usb_fs_open_stream *popen_stream; 1398192984Sthompsa struct usb_fs_close *pclose; 1399192984Sthompsa struct usb_fs_clear_stall_sync *pstall; 1400184610Salfred void *addr; 1401184610Salfred } u; 1402193644Sthompsa struct usb_endpoint *ep; 1403192984Sthompsa struct usb_endpoint_descriptor *ed; 1404220304Shselasky struct usb_xfer *xfer; 1405184610Salfred int error = 0; 1406184610Salfred uint8_t iface_index; 1407184610Salfred uint8_t isread; 1408184610Salfred uint8_t ep_index; 1409219100Shselasky uint8_t pre_scale; 1410184610Salfred 1411184610Salfred u.addr = addr; 1412184610Salfred 1413185087Salfred DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1414185087Salfred 1415184610Salfred switch (cmd) { 1416184610Salfred case USB_FS_COMPLETE: 1417184610Salfred mtx_lock(f->priv_mtx); 1418184610Salfred error = ugen_fs_get_complete(f, &ep_index); 1419184610Salfred mtx_unlock(f->priv_mtx); 1420184610Salfred 1421184610Salfred if (error) { 1422184610Salfred error = EBUSY; 1423184610Salfred break; 1424184610Salfred } 1425184610Salfred u.pcomp->ep_index = ep_index; 1426184610Salfred error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1427184610Salfred break; 1428184610Salfred 1429184610Salfred case USB_FS_START: 1430184610Salfred error = ugen_fs_copy_in(f, u.pstart->ep_index); 1431220304Shselasky if (error) 1432184610Salfred break; 1433184610Salfred mtx_lock(f->priv_mtx); 1434220304Shselasky xfer = f->fs_xfer[u.pstart->ep_index]; 1435220304Shselasky usbd_transfer_start(xfer); 1436184610Salfred mtx_unlock(f->priv_mtx); 1437184610Salfred break; 1438184610Salfred 1439184610Salfred case USB_FS_STOP: 1440184610Salfred if (u.pstop->ep_index >= f->fs_ep_max) { 1441184610Salfred error = EINVAL; 1442184610Salfred break; 1443184610Salfred } 1444184610Salfred mtx_lock(f->priv_mtx); 1445220304Shselasky xfer = f->fs_xfer[u.pstart->ep_index]; 1446220304Shselasky if (usbd_transfer_pending(xfer)) { 1447220304Shselasky usbd_transfer_stop(xfer); 1448220304Shselasky /* 1449220304Shselasky * Check if the USB transfer was stopped 1450220304Shselasky * before it was even started. Else a cancel 1451220304Shselasky * callback will be pending. 1452220304Shselasky */ 1453220304Shselasky if (!xfer->flags_int.transferring) { 1454220304Shselasky ugen_fs_set_complete(xfer->priv_sc, 1455220304Shselasky USB_P2U(xfer->priv_fifo)); 1456220304Shselasky } 1457220304Shselasky } 1458184610Salfred mtx_unlock(f->priv_mtx); 1459184610Salfred break; 1460184610Salfred 1461184610Salfred case USB_FS_OPEN: 1462239238Shselasky case USB_FS_OPEN_STREAM: 1463184610Salfred if (u.popen->ep_index >= f->fs_ep_max) { 1464184610Salfred error = EINVAL; 1465184610Salfred break; 1466184610Salfred } 1467184610Salfred if (f->fs_xfer[u.popen->ep_index] != NULL) { 1468184610Salfred error = EBUSY; 1469184610Salfred break; 1470184610Salfred } 1471184610Salfred if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1472184610Salfred u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1473184610Salfred } 1474219100Shselasky if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1475219100Shselasky pre_scale = 1; 1476219100Shselasky u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1477219100Shselasky } else { 1478219100Shselasky pre_scale = 0; 1479219100Shselasky } 1480184610Salfred if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1481184610Salfred u.popen->max_frames = USB_FS_MAX_FRAMES; 1482184610Salfred break; 1483184610Salfred } 1484184610Salfred if (u.popen->max_frames == 0) { 1485184610Salfred error = EINVAL; 1486184610Salfred break; 1487184610Salfred } 1488194228Sthompsa ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1489193644Sthompsa if (ep == NULL) { 1490184610Salfred error = EINVAL; 1491184610Salfred break; 1492184610Salfred } 1493193644Sthompsa ed = ep->edesc; 1494184610Salfred if (ed == NULL) { 1495184610Salfred error = ENXIO; 1496184610Salfred break; 1497184610Salfred } 1498193644Sthompsa iface_index = ep->iface_index; 1499184610Salfred 1500219100Shselasky memset(usb_config, 0, sizeof(usb_config)); 1501184610Salfred 1502192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1503192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1504192984Sthompsa usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1505192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 1506192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 1507219100Shselasky if (pre_scale != 0) 1508219100Shselasky usb_config[0].flags.pre_scale_frames = 1; 1509207080Sthompsa usb_config[0].callback = &ugen_ctrl_fs_callback; 1510192984Sthompsa usb_config[0].timeout = 0; /* no timeout */ 1511192984Sthompsa usb_config[0].frames = u.popen->max_frames; 1512192984Sthompsa usb_config[0].bufsize = u.popen->max_bufsize; 1513192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1514239238Shselasky if (cmd == USB_FS_OPEN_STREAM) 1515239238Shselasky usb_config[0].stream_id = u.popen_stream->stream_id; 1516184610Salfred 1517192984Sthompsa if (usb_config[0].type == UE_CONTROL) { 1518192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1519184610Salfred error = EINVAL; 1520184610Salfred break; 1521184610Salfred } 1522184610Salfred } else { 1523184610Salfred 1524192984Sthompsa isread = ((usb_config[0].endpoint & 1525184610Salfred (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1526184610Salfred 1527192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1528184610Salfred isread = !isread; 1529184610Salfred } 1530184610Salfred /* check permissions */ 1531184610Salfred if (isread) { 1532184610Salfred if (!(fflags & FREAD)) { 1533184610Salfred error = EPERM; 1534184610Salfred break; 1535184610Salfred } 1536184610Salfred } else { 1537184610Salfred if (!(fflags & FWRITE)) { 1538184610Salfred error = EPERM; 1539184610Salfred break; 1540184610Salfred } 1541184610Salfred } 1542184610Salfred } 1543194228Sthompsa error = usbd_transfer_setup(f->udev, &iface_index, 1544192984Sthompsa f->fs_xfer + u.popen->ep_index, usb_config, 1, 1545184610Salfred f, f->priv_mtx); 1546184610Salfred if (error == 0) { 1547184610Salfred /* update maximums */ 1548184610Salfred u.popen->max_packet_length = 1549184610Salfred f->fs_xfer[u.popen->ep_index]->max_frame_size; 1550184610Salfred u.popen->max_bufsize = 1551184610Salfred f->fs_xfer[u.popen->ep_index]->max_data_length; 1552219100Shselasky /* update number of frames */ 1553219100Shselasky u.popen->max_frames = 1554219100Shselasky f->fs_xfer[u.popen->ep_index]->nframes; 1555219100Shselasky /* store index of endpoint */ 1556184610Salfred f->fs_xfer[u.popen->ep_index]->priv_fifo = 1557184610Salfred ((uint8_t *)0) + u.popen->ep_index; 1558184610Salfred } else { 1559184610Salfred error = ENOMEM; 1560184610Salfred } 1561184610Salfred break; 1562184610Salfred 1563184610Salfred case USB_FS_CLOSE: 1564184610Salfred if (u.pclose->ep_index >= f->fs_ep_max) { 1565184610Salfred error = EINVAL; 1566184610Salfred break; 1567184610Salfred } 1568184610Salfred if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1569184610Salfred error = EINVAL; 1570184610Salfred break; 1571184610Salfred } 1572194228Sthompsa usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1573184610Salfred break; 1574184610Salfred 1575184610Salfred case USB_FS_CLEAR_STALL_SYNC: 1576184610Salfred if (u.pstall->ep_index >= f->fs_ep_max) { 1577184610Salfred error = EINVAL; 1578184610Salfred break; 1579184610Salfred } 1580184610Salfred if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1581184610Salfred error = EINVAL; 1582184610Salfred break; 1583184610Salfred } 1584192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1585184610Salfred error = EINVAL; 1586184610Salfred break; 1587184610Salfred } 1588184610Salfred mtx_lock(f->priv_mtx); 1589194228Sthompsa error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1590184610Salfred mtx_unlock(f->priv_mtx); 1591184610Salfred 1592184610Salfred if (error) { 1593184610Salfred return (EBUSY); 1594184610Salfred } 1595193644Sthompsa ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1596184610Salfred 1597184610Salfred /* setup a clear-stall packet */ 1598184610Salfred req.bmRequestType = UT_WRITE_ENDPOINT; 1599184610Salfred req.bRequest = UR_CLEAR_FEATURE; 1600184610Salfred USETW(req.wValue, UF_ENDPOINT_HALT); 1601193644Sthompsa req.wIndex[0] = ep->edesc->bEndpointAddress; 1602184610Salfred req.wIndex[1] = 0; 1603184610Salfred USETW(req.wLength, 0); 1604184610Salfred 1605194228Sthompsa error = usbd_do_request(f->udev, NULL, &req, NULL); 1606184610Salfred if (error == 0) { 1607194228Sthompsa usbd_clear_data_toggle(f->udev, ep); 1608184610Salfred } else { 1609184610Salfred error = ENXIO; 1610184610Salfred } 1611184610Salfred break; 1612184610Salfred 1613184610Salfred default: 1614185087Salfred error = ENOIOCTL; 1615184610Salfred break; 1616184610Salfred } 1617185087Salfred 1618185087Salfred DPRINTFN(6, "error=%d\n", error); 1619185087Salfred 1620184610Salfred return (error); 1621184610Salfred} 1622184610Salfred 1623184610Salfredstatic int 1624192984Sthompsaugen_set_short_xfer(struct usb_fifo *f, void *addr) 1625184610Salfred{ 1626184610Salfred uint8_t t; 1627184610Salfred 1628184610Salfred if (*(int *)addr) 1629184610Salfred t = 1; 1630184610Salfred else 1631184610Salfred t = 0; 1632184610Salfred 1633184610Salfred if (f->flag_short == t) { 1634184610Salfred /* same value like before - accept */ 1635184610Salfred return (0); 1636184610Salfred } 1637184610Salfred if (f->xfer[0] || f->xfer[1]) { 1638184610Salfred /* cannot change this during transfer */ 1639184610Salfred return (EBUSY); 1640184610Salfred } 1641184610Salfred f->flag_short = t; 1642184610Salfred return (0); 1643184610Salfred} 1644184610Salfred 1645184610Salfredstatic int 1646192984Sthompsaugen_set_timeout(struct usb_fifo *f, void *addr) 1647184610Salfred{ 1648184610Salfred f->timeout = *(int *)addr; 1649184610Salfred if (f->timeout > 65535) { 1650184610Salfred /* limit user input */ 1651184610Salfred f->timeout = 65535; 1652184610Salfred } 1653184610Salfred return (0); 1654184610Salfred} 1655184610Salfred 1656184610Salfredstatic int 1657192984Sthompsaugen_get_frame_size(struct usb_fifo *f, void *addr) 1658184610Salfred{ 1659184610Salfred if (f->xfer[0]) { 1660184610Salfred *(int *)addr = f->xfer[0]->max_frame_size; 1661184610Salfred } else { 1662184610Salfred return (EINVAL); 1663184610Salfred } 1664184610Salfred return (0); 1665184610Salfred} 1666184610Salfred 1667184610Salfredstatic int 1668192984Sthompsaugen_set_buffer_size(struct usb_fifo *f, void *addr) 1669184610Salfred{ 1670193045Sthompsa usb_frlength_t t; 1671184610Salfred 1672190188Sthompsa if (*(int *)addr < 0) 1673190188Sthompsa t = 0; /* use "wMaxPacketSize" */ 1674184610Salfred else if (*(int *)addr < (256 * 1024)) 1675184610Salfred t = *(int *)addr; 1676184610Salfred else 1677184610Salfred t = 256 * 1024; 1678184610Salfred 1679184610Salfred if (f->bufsize == t) { 1680184610Salfred /* same value like before - accept */ 1681184610Salfred return (0); 1682184610Salfred } 1683184610Salfred if (f->xfer[0] || f->xfer[1]) { 1684184610Salfred /* cannot change this during transfer */ 1685184610Salfred return (EBUSY); 1686184610Salfred } 1687184610Salfred f->bufsize = t; 1688184610Salfred return (0); 1689184610Salfred} 1690184610Salfred 1691184610Salfredstatic int 1692192984Sthompsaugen_get_buffer_size(struct usb_fifo *f, void *addr) 1693184610Salfred{ 1694184610Salfred *(int *)addr = f->bufsize; 1695184610Salfred return (0); 1696184610Salfred} 1697184610Salfred 1698184610Salfredstatic int 1699192984Sthompsaugen_get_iface_desc(struct usb_fifo *f, 1700192984Sthompsa struct usb_interface_descriptor *idesc) 1701184610Salfred{ 1702192984Sthompsa struct usb_interface *iface; 1703184610Salfred 1704194228Sthompsa iface = usbd_get_iface(f->udev, f->iface_index); 1705184610Salfred if (iface && iface->idesc) { 1706184610Salfred *idesc = *(iface->idesc); 1707184610Salfred } else { 1708184610Salfred return (EIO); 1709184610Salfred } 1710184610Salfred return (0); 1711184610Salfred} 1712184610Salfred 1713184610Salfredstatic int 1714192984Sthompsaugen_get_endpoint_desc(struct usb_fifo *f, 1715192984Sthompsa struct usb_endpoint_descriptor *ed) 1716184610Salfred{ 1717193644Sthompsa struct usb_endpoint *ep; 1718184610Salfred 1719194677Sthompsa ep = usb_fifo_softc(f); 1720184610Salfred 1721193644Sthompsa if (ep && ep->edesc) { 1722193644Sthompsa *ed = *ep->edesc; 1723184610Salfred } else { 1724184610Salfred return (EINVAL); 1725184610Salfred } 1726184610Salfred return (0); 1727184610Salfred} 1728184610Salfred 1729184610Salfredstatic int 1730192984Sthompsaugen_set_power_mode(struct usb_fifo *f, int mode) 1731184610Salfred{ 1732192984Sthompsa struct usb_device *udev = f->udev; 1733184610Salfred int err; 1734187169Sthompsa uint8_t old_mode; 1735184610Salfred 1736184610Salfred if ((udev == NULL) || 1737184610Salfred (udev->parent_hub == NULL)) { 1738184610Salfred return (EINVAL); 1739184610Salfred } 1740189125Sthompsa err = priv_check(curthread, PRIV_DRIVER); 1741187169Sthompsa if (err) 1742184610Salfred return (err); 1743187169Sthompsa 1744187169Sthompsa /* get old power mode */ 1745187169Sthompsa old_mode = udev->power_mode; 1746187169Sthompsa 1747187169Sthompsa /* if no change, then just return */ 1748187169Sthompsa if (old_mode == mode) 1749187169Sthompsa return (0); 1750187169Sthompsa 1751184610Salfred switch (mode) { 1752184610Salfred case USB_POWER_MODE_OFF: 1753257375Shselasky if (udev->flags.usb_mode == USB_MODE_HOST && 1754257375Shselasky udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1755257375Shselasky udev->re_enumerate_wait = USB_RE_ENUM_PWR_OFF; 1756187164Sthompsa } 1757257375Shselasky /* set power mode will wake up the explore thread */ 1758184610Salfred break; 1759184610Salfred 1760184610Salfred case USB_POWER_MODE_ON: 1761186730Salfred case USB_POWER_MODE_SAVE: 1762186730Salfred break; 1763184610Salfred 1764184610Salfred case USB_POWER_MODE_RESUME: 1765208008Sthompsa#if USB_HAVE_POWERD 1766208008Sthompsa /* let USB-powerd handle resume */ 1767208008Sthompsa USB_BUS_LOCK(udev->bus); 1768208008Sthompsa udev->pwr_save.write_refs++; 1769208008Sthompsa udev->pwr_save.last_xfer_time = ticks; 1770208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1771208008Sthompsa 1772208008Sthompsa /* set new power mode */ 1773208008Sthompsa usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1774208008Sthompsa 1775208008Sthompsa /* wait for resume to complete */ 1776208008Sthompsa usb_pause_mtx(NULL, hz / 4); 1777208008Sthompsa 1778208008Sthompsa /* clear write reference */ 1779208008Sthompsa USB_BUS_LOCK(udev->bus); 1780208008Sthompsa udev->pwr_save.write_refs--; 1781208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1782208008Sthompsa#endif 1783186730Salfred mode = USB_POWER_MODE_SAVE; 1784184610Salfred break; 1785184610Salfred 1786184610Salfred case USB_POWER_MODE_SUSPEND: 1787208008Sthompsa#if USB_HAVE_POWERD 1788208008Sthompsa /* let USB-powerd handle suspend */ 1789208008Sthompsa USB_BUS_LOCK(udev->bus); 1790208008Sthompsa udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1791208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1792208008Sthompsa#endif 1793186730Salfred mode = USB_POWER_MODE_SAVE; 1794184610Salfred break; 1795186730Salfred 1796184610Salfred default: 1797184610Salfred return (EINVAL); 1798184610Salfred } 1799184610Salfred 1800184610Salfred if (err) 1801184610Salfred return (ENXIO); /* I/O failure */ 1802184610Salfred 1803187169Sthompsa /* if we are powered off we need to re-enumerate first */ 1804187169Sthompsa if (old_mode == USB_POWER_MODE_OFF) { 1805257375Shselasky if (udev->flags.usb_mode == USB_MODE_HOST && 1806257375Shselasky udev->re_enumerate_wait == USB_RE_ENUM_DONE) { 1807257375Shselasky udev->re_enumerate_wait = USB_RE_ENUM_START; 1808213432Shselasky } 1809213432Shselasky /* set power mode will wake up the explore thread */ 1810187169Sthompsa } 1811187169Sthompsa 1812186730Salfred /* set new power mode */ 1813194228Sthompsa usbd_set_power_mode(udev, mode); 1814184610Salfred 1815184610Salfred return (0); /* success */ 1816184610Salfred} 1817184610Salfred 1818184610Salfredstatic int 1819192984Sthompsaugen_get_power_mode(struct usb_fifo *f) 1820184610Salfred{ 1821192984Sthompsa struct usb_device *udev = f->udev; 1822184610Salfred 1823212135Sthompsa if (udev == NULL) 1824184610Salfred return (USB_POWER_MODE_ON); 1825212135Sthompsa 1826184610Salfred return (udev->power_mode); 1827184610Salfred} 1828184610Salfred 1829184610Salfredstatic int 1830250201Shselaskyugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) 1831250201Shselasky{ 1832250201Shselasky struct usb_device *udev = f->udev; 1833250201Shselasky struct usb_device *next; 1834250201Shselasky unsigned int nlevel = 0; 1835250201Shselasky 1836250201Shselasky if (udev == NULL) 1837250201Shselasky goto error; 1838250201Shselasky 1839250201Shselasky dpp->udp_bus = device_get_unit(udev->bus->bdev); 1840250201Shselasky dpp->udp_index = udev->device_index; 1841250201Shselasky 1842250201Shselasky /* count port levels */ 1843250201Shselasky next = udev; 1844250201Shselasky while (next->parent_hub != NULL) { 1845250201Shselasky nlevel++; 1846250201Shselasky next = next->parent_hub; 1847250201Shselasky } 1848250201Shselasky 1849250201Shselasky /* check if too many levels */ 1850250201Shselasky if (nlevel > USB_DEVICE_PORT_PATH_MAX) 1851250201Shselasky goto error; 1852250201Shselasky 1853277845Shselasky /* store total level of ports */ 1854277845Shselasky dpp->udp_port_level = nlevel; 1855277845Shselasky 1856250201Shselasky /* store port index array */ 1857250201Shselasky next = udev; 1858250201Shselasky while (next->parent_hub != NULL) { 1859277845Shselasky dpp->udp_port_no[--nlevel] = next->port_no; 1860250201Shselasky next = next->parent_hub; 1861250201Shselasky } 1862250201Shselasky return (0); /* success */ 1863250201Shselasky 1864250201Shselaskyerror: 1865250201Shselasky return (EINVAL); /* failure */ 1866250201Shselasky} 1867250201Shselasky 1868250201Shselaskystatic int 1869246789Shselaskyugen_get_power_usage(struct usb_fifo *f) 1870246789Shselasky{ 1871246789Shselasky struct usb_device *udev = f->udev; 1872246789Shselasky 1873246789Shselasky if (udev == NULL) 1874246789Shselasky return (0); 1875246789Shselasky 1876246789Shselasky return (udev->power); 1877246789Shselasky} 1878246789Shselasky 1879246789Shselaskystatic int 1880192984Sthompsaugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1881184610Salfred uint8_t set, uint16_t feature) 1882184610Salfred{ 1883192984Sthompsa struct usb_device *udev = f->udev; 1884192984Sthompsa struct usb_hub *hub; 1885184610Salfred int err; 1886184610Salfred 1887189125Sthompsa err = priv_check(curthread, PRIV_DRIVER); 1888184610Salfred if (err) { 1889184610Salfred return (err); 1890184610Salfred } 1891184610Salfred if (port_no == 0) { 1892184610Salfred return (EINVAL); 1893184610Salfred } 1894184610Salfred if ((udev == NULL) || 1895184610Salfred (udev->hub == NULL)) { 1896184610Salfred return (EINVAL); 1897184610Salfred } 1898184610Salfred hub = udev->hub; 1899184610Salfred 1900184610Salfred if (port_no > hub->nports) { 1901184610Salfred return (EINVAL); 1902184610Salfred } 1903184610Salfred if (set) 1904194228Sthompsa err = usbd_req_set_port_feature(udev, 1905184610Salfred NULL, port_no, feature); 1906184610Salfred else 1907194228Sthompsa err = usbd_req_clear_port_feature(udev, 1908184610Salfred NULL, port_no, feature); 1909184610Salfred 1910184610Salfred if (err) 1911184610Salfred return (ENXIO); /* failure */ 1912184610Salfred 1913184610Salfred return (0); /* success */ 1914184610Salfred} 1915184610Salfred 1916184610Salfredstatic int 1917192984Sthompsaugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1918184610Salfred{ 1919192984Sthompsa struct usb_fifo *f_rx; 1920192984Sthompsa struct usb_fifo *f_tx; 1921184610Salfred int error = 0; 1922184610Salfred 1923184610Salfred f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1924184610Salfred f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1925184610Salfred 1926184610Salfred switch (cmd) { 1927184610Salfred case USB_SET_RX_SHORT_XFER: 1928184610Salfred if (fflags & FREAD) { 1929184610Salfred error = ugen_set_short_xfer(f_rx, addr); 1930184610Salfred } else { 1931184610Salfred error = EINVAL; 1932184610Salfred } 1933184610Salfred break; 1934184610Salfred 1935184610Salfred case USB_SET_TX_FORCE_SHORT: 1936184610Salfred if (fflags & FWRITE) { 1937184610Salfred error = ugen_set_short_xfer(f_tx, addr); 1938184610Salfred } else { 1939184610Salfred error = EINVAL; 1940184610Salfred } 1941184610Salfred break; 1942184610Salfred 1943184610Salfred case USB_SET_RX_TIMEOUT: 1944184610Salfred if (fflags & FREAD) { 1945184610Salfred error = ugen_set_timeout(f_rx, addr); 1946184610Salfred } else { 1947184610Salfred error = EINVAL; 1948184610Salfred } 1949184610Salfred break; 1950184610Salfred 1951184610Salfred case USB_SET_TX_TIMEOUT: 1952184610Salfred if (fflags & FWRITE) { 1953184610Salfred error = ugen_set_timeout(f_tx, addr); 1954184610Salfred } else { 1955184610Salfred error = EINVAL; 1956184610Salfred } 1957184610Salfred break; 1958184610Salfred 1959184610Salfred case USB_GET_RX_FRAME_SIZE: 1960184610Salfred if (fflags & FREAD) { 1961184610Salfred error = ugen_get_frame_size(f_rx, addr); 1962184610Salfred } else { 1963184610Salfred error = EINVAL; 1964184610Salfred } 1965184610Salfred break; 1966184610Salfred 1967184610Salfred case USB_GET_TX_FRAME_SIZE: 1968184610Salfred if (fflags & FWRITE) { 1969184610Salfred error = ugen_get_frame_size(f_tx, addr); 1970184610Salfred } else { 1971184610Salfred error = EINVAL; 1972184610Salfred } 1973184610Salfred break; 1974184610Salfred 1975184610Salfred case USB_SET_RX_BUFFER_SIZE: 1976184610Salfred if (fflags & FREAD) { 1977184610Salfred error = ugen_set_buffer_size(f_rx, addr); 1978184610Salfred } else { 1979184610Salfred error = EINVAL; 1980184610Salfred } 1981184610Salfred break; 1982184610Salfred 1983184610Salfred case USB_SET_TX_BUFFER_SIZE: 1984184610Salfred if (fflags & FWRITE) { 1985184610Salfred error = ugen_set_buffer_size(f_tx, addr); 1986184610Salfred } else { 1987184610Salfred error = EINVAL; 1988184610Salfred } 1989184610Salfred break; 1990184610Salfred 1991184610Salfred case USB_GET_RX_BUFFER_SIZE: 1992184610Salfred if (fflags & FREAD) { 1993184610Salfred error = ugen_get_buffer_size(f_rx, addr); 1994184610Salfred } else { 1995184610Salfred error = EINVAL; 1996184610Salfred } 1997184610Salfred break; 1998184610Salfred 1999184610Salfred case USB_GET_TX_BUFFER_SIZE: 2000184610Salfred if (fflags & FWRITE) { 2001184610Salfred error = ugen_get_buffer_size(f_tx, addr); 2002184610Salfred } else { 2003184610Salfred error = EINVAL; 2004184610Salfred } 2005184610Salfred break; 2006184610Salfred 2007184610Salfred case USB_GET_RX_INTERFACE_DESC: 2008184610Salfred if (fflags & FREAD) { 2009184610Salfred error = ugen_get_iface_desc(f_rx, addr); 2010184610Salfred } else { 2011184610Salfred error = EINVAL; 2012184610Salfred } 2013184610Salfred break; 2014184610Salfred 2015184610Salfred case USB_GET_TX_INTERFACE_DESC: 2016184610Salfred if (fflags & FWRITE) { 2017184610Salfred error = ugen_get_iface_desc(f_tx, addr); 2018184610Salfred } else { 2019184610Salfred error = EINVAL; 2020184610Salfred } 2021184610Salfred break; 2022184610Salfred 2023184610Salfred case USB_GET_RX_ENDPOINT_DESC: 2024184610Salfred if (fflags & FREAD) { 2025184610Salfred error = ugen_get_endpoint_desc(f_rx, addr); 2026184610Salfred } else { 2027184610Salfred error = EINVAL; 2028184610Salfred } 2029184610Salfred break; 2030184610Salfred 2031184610Salfred case USB_GET_TX_ENDPOINT_DESC: 2032184610Salfred if (fflags & FWRITE) { 2033184610Salfred error = ugen_get_endpoint_desc(f_tx, addr); 2034184610Salfred } else { 2035184610Salfred error = EINVAL; 2036184610Salfred } 2037184610Salfred break; 2038184610Salfred 2039184610Salfred case USB_SET_RX_STALL_FLAG: 2040184610Salfred if ((fflags & FREAD) && (*(int *)addr)) { 2041184610Salfred f_rx->flag_stall = 1; 2042184610Salfred } 2043184610Salfred break; 2044184610Salfred 2045184610Salfred case USB_SET_TX_STALL_FLAG: 2046184610Salfred if ((fflags & FWRITE) && (*(int *)addr)) { 2047184610Salfred f_tx->flag_stall = 1; 2048184610Salfred } 2049184610Salfred break; 2050184610Salfred 2051184610Salfred default: 2052185087Salfred error = ENOIOCTL; 2053184610Salfred break; 2054184610Salfred } 2055184610Salfred return (error); 2056184610Salfred} 2057184610Salfred 2058184610Salfredstatic int 2059192984Sthompsaugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2060184610Salfred{ 2061184610Salfred union { 2062192984Sthompsa struct usb_interface_descriptor *idesc; 2063192984Sthompsa struct usb_alt_interface *ai; 2064192984Sthompsa struct usb_device_descriptor *ddesc; 2065192984Sthompsa struct usb_config_descriptor *cdesc; 2066192984Sthompsa struct usb_device_stats *stat; 2067192984Sthompsa struct usb_fs_init *pinit; 2068192984Sthompsa struct usb_fs_uninit *puninit; 2069250201Shselasky struct usb_device_port_path *dpp; 2070184610Salfred uint32_t *ptime; 2071184610Salfred void *addr; 2072184610Salfred int *pint; 2073184610Salfred } u; 2074192984Sthompsa struct usb_device_descriptor *dtemp; 2075192984Sthompsa struct usb_config_descriptor *ctemp; 2076192984Sthompsa struct usb_interface *iface; 2077184610Salfred int error = 0; 2078184610Salfred uint8_t n; 2079184610Salfred 2080184610Salfred u.addr = addr; 2081184610Salfred 2082185087Salfred DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2083185087Salfred 2084184610Salfred switch (cmd) { 2085184610Salfred case USB_DISCOVER: 2086194228Sthompsa usb_needs_explore_all(); 2087184610Salfred break; 2088184610Salfred 2089184610Salfred case USB_SETDEBUG: 2090184610Salfred if (!(fflags & FWRITE)) { 2091184610Salfred error = EPERM; 2092184610Salfred break; 2093184610Salfred } 2094194228Sthompsa usb_debug = *(int *)addr; 2095184610Salfred break; 2096184610Salfred 2097184610Salfred case USB_GET_CONFIG: 2098184610Salfred *(int *)addr = f->udev->curr_config_index; 2099184610Salfred break; 2100184610Salfred 2101184610Salfred case USB_SET_CONFIG: 2102184610Salfred if (!(fflags & FWRITE)) { 2103184610Salfred error = EPERM; 2104184610Salfred break; 2105184610Salfred } 2106184610Salfred error = ugen_set_config(f, *(int *)addr); 2107184610Salfred break; 2108184610Salfred 2109184610Salfred case USB_GET_ALTINTERFACE: 2110194228Sthompsa iface = usbd_get_iface(f->udev, 2111184610Salfred u.ai->uai_interface_index); 2112184610Salfred if (iface && iface->idesc) { 2113184610Salfred u.ai->uai_alt_index = iface->alt_index; 2114184610Salfred } else { 2115184610Salfred error = EINVAL; 2116184610Salfred } 2117184610Salfred break; 2118184610Salfred 2119184610Salfred case USB_SET_ALTINTERFACE: 2120184610Salfred if (!(fflags & FWRITE)) { 2121184610Salfred error = EPERM; 2122184610Salfred break; 2123184610Salfred } 2124184610Salfred error = ugen_set_interface(f, 2125184610Salfred u.ai->uai_interface_index, u.ai->uai_alt_index); 2126184610Salfred break; 2127184610Salfred 2128184610Salfred case USB_GET_DEVICE_DESC: 2129194228Sthompsa dtemp = usbd_get_device_descriptor(f->udev); 2130184610Salfred if (!dtemp) { 2131184610Salfred error = EIO; 2132184610Salfred break; 2133184610Salfred } 2134184610Salfred *u.ddesc = *dtemp; 2135184610Salfred break; 2136184610Salfred 2137184610Salfred case USB_GET_CONFIG_DESC: 2138194228Sthompsa ctemp = usbd_get_config_descriptor(f->udev); 2139184610Salfred if (!ctemp) { 2140184610Salfred error = EIO; 2141184610Salfred break; 2142184610Salfred } 2143184610Salfred *u.cdesc = *ctemp; 2144184610Salfred break; 2145184610Salfred 2146184610Salfred case USB_GET_FULL_DESC: 2147184610Salfred error = ugen_get_cdesc(f, addr); 2148184610Salfred break; 2149184610Salfred 2150184610Salfred case USB_GET_STRING_DESC: 2151184610Salfred error = ugen_get_sdesc(f, addr); 2152184610Salfred break; 2153184610Salfred 2154188622Sthompsa case USB_GET_IFACE_DRIVER: 2155188622Sthompsa error = ugen_get_iface_driver(f, addr); 2156188622Sthompsa break; 2157188622Sthompsa 2158184610Salfred case USB_REQUEST: 2159184610Salfred case USB_DO_REQUEST: 2160184610Salfred if (!(fflags & FWRITE)) { 2161184610Salfred error = EPERM; 2162184610Salfred break; 2163184610Salfred } 2164184610Salfred error = ugen_do_request(f, addr); 2165184610Salfred break; 2166184610Salfred 2167184610Salfred case USB_DEVICEINFO: 2168184610Salfred case USB_GET_DEVICEINFO: 2169194228Sthompsa error = usb_gen_fill_deviceinfo(f, addr); 2170184610Salfred break; 2171184610Salfred 2172184610Salfred case USB_DEVICESTATS: 2173184610Salfred for (n = 0; n != 4; n++) { 2174184610Salfred 2175184610Salfred u.stat->uds_requests_fail[n] = 2176184610Salfred f->udev->bus->stats_err.uds_requests[n]; 2177184610Salfred 2178184610Salfred u.stat->uds_requests_ok[n] = 2179184610Salfred f->udev->bus->stats_ok.uds_requests[n]; 2180184610Salfred } 2181184610Salfred break; 2182184610Salfred 2183184610Salfred case USB_DEVICEENUMERATE: 2184184610Salfred error = ugen_re_enumerate(f); 2185184610Salfred break; 2186184610Salfred 2187184610Salfred case USB_GET_PLUGTIME: 2188184610Salfred *u.ptime = f->udev->plugtime; 2189184610Salfred break; 2190184610Salfred 2191184610Salfred case USB_CLAIM_INTERFACE: 2192184610Salfred case USB_RELEASE_INTERFACE: 2193184610Salfred /* TODO */ 2194184610Salfred break; 2195184610Salfred 2196184610Salfred case USB_IFACE_DRIVER_ACTIVE: 2197205036Sthompsa 2198205036Sthompsa n = *u.pint & 0xFF; 2199205036Sthompsa 2200205036Sthompsa iface = usbd_get_iface(f->udev, n); 2201205036Sthompsa 2202205036Sthompsa if (iface && iface->subdev) 2203205036Sthompsa error = 0; 2204205036Sthompsa else 2205205036Sthompsa error = ENXIO; 2206184610Salfred break; 2207184610Salfred 2208184610Salfred case USB_IFACE_DRIVER_DETACH: 2209205036Sthompsa 2210184610Salfred error = priv_check(curthread, PRIV_DRIVER); 2211205036Sthompsa 2212205036Sthompsa if (error) 2213184610Salfred break; 2214205036Sthompsa 2215205036Sthompsa n = *u.pint & 0xFF; 2216205036Sthompsa 2217205036Sthompsa if (n == USB_IFACE_INDEX_ANY) { 2218205036Sthompsa error = EINVAL; 2219205036Sthompsa break; 2220184610Salfred } 2221205036Sthompsa 2222236407Shselasky /* 2223236407Shselasky * Detach the currently attached driver. 2224236407Shselasky */ 2225205036Sthompsa usb_detach_device(f->udev, n, 0); 2226236407Shselasky 2227236407Shselasky /* 2228236407Shselasky * Set parent to self, this should keep attach away 2229236407Shselasky * until the next set configuration event. 2230236407Shselasky */ 2231236407Shselasky usbd_set_parent_iface(f->udev, n, n); 2232184610Salfred break; 2233184610Salfred 2234184610Salfred case USB_SET_POWER_MODE: 2235184610Salfred error = ugen_set_power_mode(f, *u.pint); 2236184610Salfred break; 2237184610Salfred 2238184610Salfred case USB_GET_POWER_MODE: 2239184610Salfred *u.pint = ugen_get_power_mode(f); 2240184610Salfred break; 2241184610Salfred 2242250201Shselasky case USB_GET_DEV_PORT_PATH: 2243250201Shselasky error = ugen_get_port_path(f, u.dpp); 2244250201Shselasky break; 2245250201Shselasky 2246246789Shselasky case USB_GET_POWER_USAGE: 2247246789Shselasky *u.pint = ugen_get_power_usage(f); 2248246789Shselasky break; 2249246789Shselasky 2250184610Salfred case USB_SET_PORT_ENABLE: 2251184610Salfred error = ugen_do_port_feature(f, 2252184610Salfred *u.pint, 1, UHF_PORT_ENABLE); 2253184610Salfred break; 2254184610Salfred 2255184610Salfred case USB_SET_PORT_DISABLE: 2256184610Salfred error = ugen_do_port_feature(f, 2257184610Salfred *u.pint, 0, UHF_PORT_ENABLE); 2258184610Salfred break; 2259184610Salfred 2260185087Salfred case USB_FS_INIT: 2261185087Salfred /* verify input parameters */ 2262185087Salfred if (u.pinit->pEndpoints == NULL) { 2263185087Salfred error = EINVAL; 2264185087Salfred break; 2265185087Salfred } 2266185087Salfred if (u.pinit->ep_index_max > 127) { 2267185087Salfred error = EINVAL; 2268185087Salfred break; 2269185087Salfred } 2270185087Salfred if (u.pinit->ep_index_max == 0) { 2271185087Salfred error = EINVAL; 2272185087Salfred break; 2273185087Salfred } 2274185087Salfred if (f->fs_xfer != NULL) { 2275185087Salfred error = EBUSY; 2276185087Salfred break; 2277185087Salfred } 2278185087Salfred if (f->dev_ep_index != 0) { 2279185087Salfred error = EINVAL; 2280185087Salfred break; 2281185087Salfred } 2282185087Salfred if (ugen_fifo_in_use(f, fflags)) { 2283185087Salfred error = EBUSY; 2284185087Salfred break; 2285185087Salfred } 2286194228Sthompsa error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2287185087Salfred if (error) { 2288185087Salfred break; 2289185087Salfred } 2290185087Salfred f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2291185087Salfred u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2292185087Salfred if (f->fs_xfer == NULL) { 2293194228Sthompsa usb_fifo_free_buffer(f); 2294185087Salfred error = ENOMEM; 2295185087Salfred break; 2296185087Salfred } 2297185087Salfred f->fs_ep_max = u.pinit->ep_index_max; 2298185087Salfred f->fs_ep_ptr = u.pinit->pEndpoints; 2299184610Salfred break; 2300184610Salfred 2301185087Salfred case USB_FS_UNINIT: 2302185087Salfred if (u.puninit->dummy != 0) { 2303185087Salfred error = EINVAL; 2304185087Salfred break; 2305185087Salfred } 2306185087Salfred error = ugen_fs_uninit(f); 2307185087Salfred break; 2308184610Salfred 2309185087Salfred default: 2310185087Salfred mtx_lock(f->priv_mtx); 2311185087Salfred error = ugen_iface_ioctl(f, cmd, addr, fflags); 2312185087Salfred mtx_unlock(f->priv_mtx); 2313185087Salfred break; 2314184610Salfred } 2315184610Salfred DPRINTFN(6, "error=%d\n", error); 2316184610Salfred return (error); 2317184610Salfred} 2318184610Salfred 2319184610Salfredstatic void 2320207080Sthompsaugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2321184610Salfred{ 2322184610Salfred ; /* workaround for a bug in "indent" */ 2323184610Salfred 2324184610Salfred DPRINTF("st=%u alen=%u aframes=%u\n", 2325184610Salfred USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2326184610Salfred 2327184610Salfred switch (USB_GET_STATE(xfer)) { 2328184610Salfred case USB_ST_SETUP: 2329194228Sthompsa usbd_transfer_submit(xfer); 2330184610Salfred break; 2331184610Salfred default: 2332184610Salfred ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2333184610Salfred break; 2334184610Salfred } 2335184610Salfred} 2336190191Sthompsa#endif /* USB_HAVE_UGEN */ 2337