usb_generic.c revision 247475
1184610Salfred/* $FreeBSD: stable/9/sys/dev/usb/usb_generic.c 247475 2013-02-28 16:56:08Z 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 27194677Sthompsa#include <sys/stdint.h> 28194677Sthompsa#include <sys/stddef.h> 29194677Sthompsa#include <sys/param.h> 30194677Sthompsa#include <sys/queue.h> 31194677Sthompsa#include <sys/types.h> 32194677Sthompsa#include <sys/systm.h> 33194677Sthompsa#include <sys/kernel.h> 34194677Sthompsa#include <sys/bus.h> 35194677Sthompsa#include <sys/module.h> 36194677Sthompsa#include <sys/lock.h> 37194677Sthompsa#include <sys/mutex.h> 38194677Sthompsa#include <sys/condvar.h> 39194677Sthompsa#include <sys/sysctl.h> 40194677Sthompsa#include <sys/sx.h> 41194677Sthompsa#include <sys/unistd.h> 42194677Sthompsa#include <sys/callout.h> 43194677Sthompsa#include <sys/malloc.h> 44194677Sthompsa#include <sys/priv.h> 45194677Sthompsa#include <sys/conf.h> 46194677Sthompsa#include <sys/fcntl.h> 47194677Sthompsa 48188942Sthompsa#include <dev/usb/usb.h> 49188942Sthompsa#include <dev/usb/usb_ioctl.h> 50194677Sthompsa#include <dev/usb/usbdi.h> 51194677Sthompsa#include <dev/usb/usbdi_util.h> 52184610Salfred 53184610Salfred#define USB_DEBUG_VAR ugen_debug 54184610Salfred 55188942Sthompsa#include <dev/usb/usb_core.h> 56194677Sthompsa#include <dev/usb/usb_dev.h> 57188942Sthompsa#include <dev/usb/usb_mbuf.h> 58188942Sthompsa#include <dev/usb/usb_process.h> 59188942Sthompsa#include <dev/usb/usb_device.h> 60188942Sthompsa#include <dev/usb/usb_debug.h> 61188942Sthompsa#include <dev/usb/usb_request.h> 62188942Sthompsa#include <dev/usb/usb_busdma.h> 63188942Sthompsa#include <dev/usb/usb_util.h> 64188942Sthompsa#include <dev/usb/usb_hub.h> 65188942Sthompsa#include <dev/usb/usb_generic.h> 66188942Sthompsa#include <dev/usb/usb_transfer.h> 67184610Salfred 68188942Sthompsa#include <dev/usb/usb_controller.h> 69188942Sthompsa#include <dev/usb/usb_bus.h> 70184610Salfred 71190191Sthompsa#if USB_HAVE_UGEN 72190191Sthompsa 73184610Salfred/* defines */ 74184610Salfred 75184610Salfred#define UGEN_BULK_FS_BUFFER_SIZE (64*32) /* bytes */ 76184610Salfred#define UGEN_BULK_HS_BUFFER_SIZE (1024*32) /* bytes */ 77184610Salfred#define UGEN_HW_FRAMES 50 /* number of milliseconds per transfer */ 78184610Salfred 79184610Salfred/* function prototypes */ 80184610Salfred 81193045Sthompsastatic usb_callback_t ugen_read_clear_stall_callback; 82193045Sthompsastatic usb_callback_t ugen_write_clear_stall_callback; 83207080Sthompsastatic usb_callback_t ugen_ctrl_read_callback; 84207080Sthompsastatic usb_callback_t ugen_ctrl_write_callback; 85193045Sthompsastatic usb_callback_t ugen_isoc_read_callback; 86193045Sthompsastatic usb_callback_t ugen_isoc_write_callback; 87207080Sthompsastatic usb_callback_t ugen_ctrl_fs_callback; 88184610Salfred 89193045Sthompsastatic usb_fifo_open_t ugen_open; 90193045Sthompsastatic usb_fifo_close_t ugen_close; 91193045Sthompsastatic usb_fifo_ioctl_t ugen_ioctl; 92193045Sthompsastatic usb_fifo_ioctl_t ugen_ioctl_post; 93193045Sthompsastatic usb_fifo_cmd_t ugen_start_read; 94193045Sthompsastatic usb_fifo_cmd_t ugen_start_write; 95193045Sthompsastatic usb_fifo_cmd_t ugen_stop_io; 96184610Salfred 97192984Sthompsastatic int ugen_transfer_setup(struct usb_fifo *, 98192984Sthompsa const struct usb_config *, uint8_t); 99192984Sthompsastatic int ugen_open_pipe_write(struct usb_fifo *); 100192984Sthompsastatic int ugen_open_pipe_read(struct usb_fifo *); 101192984Sthompsastatic int ugen_set_config(struct usb_fifo *, uint8_t); 102192984Sthompsastatic int ugen_set_interface(struct usb_fifo *, uint8_t, uint8_t); 103192984Sthompsastatic int ugen_get_cdesc(struct usb_fifo *, struct usb_gen_descriptor *); 104192984Sthompsastatic int ugen_get_sdesc(struct usb_fifo *, struct usb_gen_descriptor *); 105192984Sthompsastatic int ugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd); 106194228Sthompsastatic int usb_gen_fill_deviceinfo(struct usb_fifo *, 107192984Sthompsa struct usb_device_info *); 108192984Sthompsastatic int ugen_re_enumerate(struct usb_fifo *); 109192984Sthompsastatic int ugen_iface_ioctl(struct usb_fifo *, u_long, void *, int); 110192984Sthompsastatic uint8_t ugen_fs_get_complete(struct usb_fifo *, uint8_t *); 111213432Shselaskystatic int ugen_fs_uninit(struct usb_fifo *f); 112184610Salfred 113184610Salfred/* structures */ 114184610Salfred 115194228Sthompsastruct usb_fifo_methods usb_ugen_methods = { 116184610Salfred .f_open = &ugen_open, 117184610Salfred .f_close = &ugen_close, 118184610Salfred .f_ioctl = &ugen_ioctl, 119185087Salfred .f_ioctl_post = &ugen_ioctl_post, 120184610Salfred .f_start_read = &ugen_start_read, 121184610Salfred .f_stop_read = &ugen_stop_io, 122184610Salfred .f_start_write = &ugen_start_write, 123184610Salfred .f_stop_write = &ugen_stop_io, 124184610Salfred}; 125184610Salfred 126194677Sthompsa#ifdef USB_DEBUG 127184610Salfredstatic int ugen_debug = 0; 128184610Salfred 129192502SthompsaSYSCTL_NODE(_hw_usb, OID_AUTO, ugen, CTLFLAG_RW, 0, "USB generic"); 130242775ShselaskySYSCTL_INT(_hw_usb_ugen, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &ugen_debug, 131184610Salfred 0, "Debug level"); 132199675SthompsaTUNABLE_INT("hw.usb.ugen.debug", &ugen_debug); 133184610Salfred#endif 134184610Salfred 135184610Salfred 136184610Salfred/* prototypes */ 137184610Salfred 138184610Salfredstatic int 139192984Sthompsaugen_transfer_setup(struct usb_fifo *f, 140192984Sthompsa const struct usb_config *setup, uint8_t n_setup) 141184610Salfred{ 142194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 143192984Sthompsa struct usb_device *udev = f->udev; 144193644Sthompsa uint8_t iface_index = ep->iface_index; 145184610Salfred int error; 146184610Salfred 147184610Salfred mtx_unlock(f->priv_mtx); 148184610Salfred 149184610Salfred /* 150194228Sthompsa * "usbd_transfer_setup()" can sleep so one needs to make a wrapper, 151184610Salfred * exiting the mutex and checking things 152184610Salfred */ 153194228Sthompsa error = usbd_transfer_setup(udev, &iface_index, f->xfer, 154184610Salfred setup, n_setup, f, f->priv_mtx); 155184610Salfred if (error == 0) { 156184610Salfred 157184610Salfred if (f->xfer[0]->nframes == 1) { 158194228Sthompsa error = usb_fifo_alloc_buffer(f, 159184610Salfred f->xfer[0]->max_data_length, 2); 160184610Salfred } else { 161194228Sthompsa error = usb_fifo_alloc_buffer(f, 162184610Salfred f->xfer[0]->max_frame_size, 163184610Salfred 2 * f->xfer[0]->nframes); 164184610Salfred } 165184610Salfred if (error) { 166194228Sthompsa usbd_transfer_unsetup(f->xfer, n_setup); 167184610Salfred } 168184610Salfred } 169184610Salfred mtx_lock(f->priv_mtx); 170184610Salfred 171184610Salfred return (error); 172184610Salfred} 173184610Salfred 174184610Salfredstatic int 175192984Sthompsaugen_open(struct usb_fifo *f, int fflags) 176184610Salfred{ 177194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 178193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 179184610Salfred uint8_t type; 180184610Salfred 181184610Salfred DPRINTFN(6, "flag=0x%x\n", fflags); 182184610Salfred 183184610Salfred mtx_lock(f->priv_mtx); 184194228Sthompsa switch (usbd_get_speed(f->udev)) { 185187180Sthompsa case USB_SPEED_LOW: 186187180Sthompsa case USB_SPEED_FULL: 187187180Sthompsa f->nframes = UGEN_HW_FRAMES; 188187180Sthompsa f->bufsize = UGEN_BULK_FS_BUFFER_SIZE; 189187180Sthompsa break; 190187180Sthompsa default: 191184610Salfred f->nframes = UGEN_HW_FRAMES * 8; 192184610Salfred f->bufsize = UGEN_BULK_HS_BUFFER_SIZE; 193187180Sthompsa break; 194184610Salfred } 195184610Salfred 196184610Salfred type = ed->bmAttributes & UE_XFERTYPE; 197184610Salfred if (type == UE_INTERRUPT) { 198184610Salfred f->bufsize = 0; /* use "wMaxPacketSize" */ 199184610Salfred } 200184610Salfred f->timeout = USB_NO_TIMEOUT; 201184610Salfred f->flag_short = 0; 202184610Salfred f->fifo_zlp = 0; 203184610Salfred mtx_unlock(f->priv_mtx); 204184610Salfred 205184610Salfred return (0); 206184610Salfred} 207184610Salfred 208184610Salfredstatic void 209192984Sthompsaugen_close(struct usb_fifo *f, int fflags) 210184610Salfred{ 211184610Salfred DPRINTFN(6, "flag=0x%x\n", fflags); 212184610Salfred 213184610Salfred /* cleanup */ 214184610Salfred 215184610Salfred mtx_lock(f->priv_mtx); 216194228Sthompsa usbd_transfer_stop(f->xfer[0]); 217194228Sthompsa usbd_transfer_stop(f->xfer[1]); 218184610Salfred mtx_unlock(f->priv_mtx); 219184610Salfred 220194228Sthompsa usbd_transfer_unsetup(f->xfer, 2); 221194228Sthompsa usb_fifo_free_buffer(f); 222184610Salfred 223184610Salfred if (ugen_fs_uninit(f)) { 224184610Salfred /* ignore any errors - we are closing */ 225185290Salfred DPRINTFN(6, "no FIFOs\n"); 226184610Salfred } 227184610Salfred} 228184610Salfred 229184610Salfredstatic int 230192984Sthompsaugen_open_pipe_write(struct usb_fifo *f) 231184610Salfred{ 232192984Sthompsa struct usb_config usb_config[2]; 233194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 234193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 235184610Salfred 236184610Salfred mtx_assert(f->priv_mtx, MA_OWNED); 237184610Salfred 238184610Salfred if (f->xfer[0] || f->xfer[1]) { 239184610Salfred /* transfers are already opened */ 240184610Salfred return (0); 241184610Salfred } 242229080Shselasky memset(usb_config, 0, sizeof(usb_config)); 243184610Salfred 244192984Sthompsa usb_config[1].type = UE_CONTROL; 245192984Sthompsa usb_config[1].endpoint = 0; 246192984Sthompsa usb_config[1].direction = UE_DIR_ANY; 247192984Sthompsa usb_config[1].timeout = 1000; /* 1 second */ 248192984Sthompsa usb_config[1].interval = 50;/* 50 milliseconds */ 249192984Sthompsa usb_config[1].bufsize = sizeof(struct usb_device_request); 250192984Sthompsa usb_config[1].callback = &ugen_write_clear_stall_callback; 251192984Sthompsa usb_config[1].usb_mode = USB_MODE_HOST; 252184610Salfred 253192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 254192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 255192984Sthompsa usb_config[0].direction = UE_DIR_TX; 256192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 257192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 258192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 259184610Salfred 260184610Salfred switch (ed->bmAttributes & UE_XFERTYPE) { 261184610Salfred case UE_INTERRUPT: 262184610Salfred case UE_BULK: 263184610Salfred if (f->flag_short) { 264192984Sthompsa usb_config[0].flags.force_short_xfer = 1; 265184610Salfred } 266207080Sthompsa usb_config[0].callback = &ugen_ctrl_write_callback; 267192984Sthompsa usb_config[0].timeout = f->timeout; 268192984Sthompsa usb_config[0].frames = 1; 269192984Sthompsa usb_config[0].bufsize = f->bufsize; 270192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 271184610Salfred return (EIO); 272184610Salfred } 273184610Salfred /* first transfer does not clear stall */ 274184610Salfred f->flag_stall = 0; 275184610Salfred break; 276184610Salfred 277184610Salfred case UE_ISOCHRONOUS: 278192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 279192984Sthompsa usb_config[0].bufsize = 0; /* use default */ 280192984Sthompsa usb_config[0].frames = f->nframes; 281192984Sthompsa usb_config[0].callback = &ugen_isoc_write_callback; 282192984Sthompsa usb_config[0].timeout = 0; 283184610Salfred 284184610Salfred /* clone configuration */ 285192984Sthompsa usb_config[1] = usb_config[0]; 286184610Salfred 287192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 288184610Salfred return (EIO); 289184610Salfred } 290184610Salfred break; 291184610Salfred default: 292184610Salfred return (EINVAL); 293184610Salfred } 294184610Salfred return (0); 295184610Salfred} 296184610Salfred 297184610Salfredstatic int 298192984Sthompsaugen_open_pipe_read(struct usb_fifo *f) 299184610Salfred{ 300192984Sthompsa struct usb_config usb_config[2]; 301194677Sthompsa struct usb_endpoint *ep = usb_fifo_softc(f); 302193644Sthompsa struct usb_endpoint_descriptor *ed = ep->edesc; 303184610Salfred 304184610Salfred mtx_assert(f->priv_mtx, MA_OWNED); 305184610Salfred 306184610Salfred if (f->xfer[0] || f->xfer[1]) { 307184610Salfred /* transfers are already opened */ 308184610Salfred return (0); 309184610Salfred } 310229080Shselasky memset(usb_config, 0, sizeof(usb_config)); 311184610Salfred 312192984Sthompsa usb_config[1].type = UE_CONTROL; 313192984Sthompsa usb_config[1].endpoint = 0; 314192984Sthompsa usb_config[1].direction = UE_DIR_ANY; 315192984Sthompsa usb_config[1].timeout = 1000; /* 1 second */ 316192984Sthompsa usb_config[1].interval = 50;/* 50 milliseconds */ 317192984Sthompsa usb_config[1].bufsize = sizeof(struct usb_device_request); 318192984Sthompsa usb_config[1].callback = &ugen_read_clear_stall_callback; 319192984Sthompsa usb_config[1].usb_mode = USB_MODE_HOST; 320184610Salfred 321192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 322192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 323192984Sthompsa usb_config[0].direction = UE_DIR_RX; 324192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 325192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 326192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 327184610Salfred 328184610Salfred switch (ed->bmAttributes & UE_XFERTYPE) { 329184610Salfred case UE_INTERRUPT: 330184610Salfred case UE_BULK: 331184610Salfred if (f->flag_short) { 332192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 333184610Salfred } 334192984Sthompsa usb_config[0].timeout = f->timeout; 335192984Sthompsa usb_config[0].frames = 1; 336207080Sthompsa usb_config[0].callback = &ugen_ctrl_read_callback; 337192984Sthompsa usb_config[0].bufsize = f->bufsize; 338184610Salfred 339192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 340184610Salfred return (EIO); 341184610Salfred } 342184610Salfred /* first transfer does not clear stall */ 343184610Salfred f->flag_stall = 0; 344184610Salfred break; 345184610Salfred 346184610Salfred case UE_ISOCHRONOUS: 347192984Sthompsa usb_config[0].flags.short_xfer_ok = 1; 348192984Sthompsa usb_config[0].bufsize = 0; /* use default */ 349192984Sthompsa usb_config[0].frames = f->nframes; 350192984Sthompsa usb_config[0].callback = &ugen_isoc_read_callback; 351192984Sthompsa usb_config[0].timeout = 0; 352184610Salfred 353184610Salfred /* clone configuration */ 354192984Sthompsa usb_config[1] = usb_config[0]; 355184610Salfred 356192984Sthompsa if (ugen_transfer_setup(f, usb_config, 2)) { 357184610Salfred return (EIO); 358184610Salfred } 359184610Salfred break; 360184610Salfred 361184610Salfred default: 362184610Salfred return (EINVAL); 363184610Salfred } 364184610Salfred return (0); 365184610Salfred} 366184610Salfred 367184610Salfredstatic void 368192984Sthompsaugen_start_read(struct usb_fifo *f) 369184610Salfred{ 370184610Salfred /* check that pipes are open */ 371184610Salfred if (ugen_open_pipe_read(f)) { 372184610Salfred /* signal error */ 373194228Sthompsa usb_fifo_put_data_error(f); 374184610Salfred } 375184610Salfred /* start transfers */ 376194228Sthompsa usbd_transfer_start(f->xfer[0]); 377194228Sthompsa usbd_transfer_start(f->xfer[1]); 378184610Salfred} 379184610Salfred 380184610Salfredstatic void 381192984Sthompsaugen_start_write(struct usb_fifo *f) 382184610Salfred{ 383184610Salfred /* check that pipes are open */ 384184610Salfred if (ugen_open_pipe_write(f)) { 385184610Salfred /* signal error */ 386194228Sthompsa usb_fifo_get_data_error(f); 387184610Salfred } 388184610Salfred /* start transfers */ 389194228Sthompsa usbd_transfer_start(f->xfer[0]); 390194228Sthompsa usbd_transfer_start(f->xfer[1]); 391184610Salfred} 392184610Salfred 393184610Salfredstatic void 394192984Sthompsaugen_stop_io(struct usb_fifo *f) 395184610Salfred{ 396184610Salfred /* stop transfers */ 397194228Sthompsa usbd_transfer_stop(f->xfer[0]); 398194228Sthompsa usbd_transfer_stop(f->xfer[1]); 399184610Salfred} 400184610Salfred 401184610Salfredstatic void 402207080Sthompsaugen_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 403184610Salfred{ 404194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 405192984Sthompsa struct usb_mbuf *m; 406184610Salfred 407184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 408184610Salfred 409184610Salfred switch (USB_GET_STATE(xfer)) { 410184610Salfred case USB_ST_TRANSFERRED: 411184610Salfred if (xfer->actlen == 0) { 412184610Salfred if (f->fifo_zlp != 4) { 413184610Salfred f->fifo_zlp++; 414184610Salfred } else { 415184610Salfred /* 416184610Salfred * Throttle a little bit we have multiple ZLPs 417184610Salfred * in a row! 418184610Salfred */ 419184610Salfred xfer->interval = 64; /* ms */ 420184610Salfred } 421184610Salfred } else { 422184610Salfred /* clear throttle */ 423184610Salfred xfer->interval = 0; 424184610Salfred f->fifo_zlp = 0; 425184610Salfred } 426194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, 0, 427184610Salfred xfer->actlen, 1); 428184610Salfred 429184610Salfred case USB_ST_SETUP: 430184610Salfred if (f->flag_stall) { 431194228Sthompsa usbd_transfer_start(f->xfer[1]); 432184610Salfred break; 433184610Salfred } 434184610Salfred USB_IF_POLL(&f->free_q, m); 435184610Salfred if (m) { 436194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 437194228Sthompsa usbd_transfer_submit(xfer); 438184610Salfred } 439184610Salfred break; 440184610Salfred 441184610Salfred default: /* Error */ 442184610Salfred if (xfer->error != USB_ERR_CANCELLED) { 443190188Sthompsa /* send a zero length packet to userland */ 444194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1); 445184610Salfred f->flag_stall = 1; 446184610Salfred f->fifo_zlp = 0; 447194228Sthompsa usbd_transfer_start(f->xfer[1]); 448184610Salfred } 449184610Salfred break; 450184610Salfred } 451184610Salfred} 452184610Salfred 453184610Salfredstatic void 454207080Sthompsaugen_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 455184610Salfred{ 456194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 457193045Sthompsa usb_frlength_t actlen; 458184610Salfred 459184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 460184610Salfred 461184610Salfred switch (USB_GET_STATE(xfer)) { 462184610Salfred case USB_ST_SETUP: 463184610Salfred case USB_ST_TRANSFERRED: 464184610Salfred /* 465184610Salfred * If writing is in stall, just jump to clear stall 466184610Salfred * callback and solve the situation. 467184610Salfred */ 468184610Salfred if (f->flag_stall) { 469194228Sthompsa usbd_transfer_start(f->xfer[1]); 470184610Salfred break; 471184610Salfred } 472184610Salfred /* 473184610Salfred * Write data, setup and perform hardware transfer. 474184610Salfred */ 475194228Sthompsa if (usb_fifo_get_data(f, xfer->frbuffers, 0, 476184610Salfred xfer->max_data_length, &actlen, 0)) { 477194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, actlen); 478194228Sthompsa usbd_transfer_submit(xfer); 479184610Salfred } 480184610Salfred break; 481184610Salfred 482184610Salfred default: /* Error */ 483184610Salfred if (xfer->error != USB_ERR_CANCELLED) { 484184610Salfred f->flag_stall = 1; 485194228Sthompsa usbd_transfer_start(f->xfer[1]); 486184610Salfred } 487184610Salfred break; 488184610Salfred } 489184610Salfred} 490184610Salfred 491184610Salfredstatic void 492194677Sthompsaugen_read_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 493184610Salfred{ 494194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 495192984Sthompsa struct usb_xfer *xfer_other = f->xfer[0]; 496184610Salfred 497184610Salfred if (f->flag_stall == 0) { 498184610Salfred /* nothing to do */ 499184610Salfred return; 500184610Salfred } 501194228Sthompsa if (usbd_clear_stall_callback(xfer, xfer_other)) { 502184610Salfred DPRINTFN(5, "f=%p: stall cleared\n", f); 503184610Salfred f->flag_stall = 0; 504194228Sthompsa usbd_transfer_start(xfer_other); 505184610Salfred } 506184610Salfred} 507184610Salfred 508184610Salfredstatic void 509194677Sthompsaugen_write_clear_stall_callback(struct usb_xfer *xfer, usb_error_t error) 510184610Salfred{ 511194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 512192984Sthompsa struct usb_xfer *xfer_other = f->xfer[0]; 513184610Salfred 514184610Salfred if (f->flag_stall == 0) { 515184610Salfred /* nothing to do */ 516184610Salfred return; 517184610Salfred } 518194228Sthompsa if (usbd_clear_stall_callback(xfer, xfer_other)) { 519184610Salfred DPRINTFN(5, "f=%p: stall cleared\n", f); 520184610Salfred f->flag_stall = 0; 521194228Sthompsa usbd_transfer_start(xfer_other); 522184610Salfred } 523184610Salfred} 524184610Salfred 525184610Salfredstatic void 526194677Sthompsaugen_isoc_read_callback(struct usb_xfer *xfer, usb_error_t error) 527184610Salfred{ 528194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 529193045Sthompsa usb_frlength_t offset; 530193045Sthompsa usb_frcount_t n; 531184610Salfred 532184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 533184610Salfred 534184610Salfred switch (USB_GET_STATE(xfer)) { 535184610Salfred case USB_ST_TRANSFERRED: 536184610Salfred 537184610Salfred DPRINTFN(6, "actlen=%d\n", xfer->actlen); 538184610Salfred 539184610Salfred offset = 0; 540184610Salfred 541184610Salfred for (n = 0; n != xfer->aframes; n++) { 542194228Sthompsa usb_fifo_put_data(f, xfer->frbuffers, offset, 543184610Salfred xfer->frlengths[n], 1); 544184610Salfred offset += xfer->max_frame_size; 545184610Salfred } 546184610Salfred 547184610Salfred case USB_ST_SETUP: 548184610Salfredtr_setup: 549184610Salfred for (n = 0; n != xfer->nframes; n++) { 550184610Salfred /* setup size for next transfer */ 551194677Sthompsa usbd_xfer_set_frame_len(xfer, n, xfer->max_frame_size); 552184610Salfred } 553194228Sthompsa usbd_transfer_submit(xfer); 554184610Salfred break; 555184610Salfred 556184610Salfred default: /* Error */ 557184610Salfred if (xfer->error == USB_ERR_CANCELLED) { 558184610Salfred break; 559184610Salfred } 560184610Salfred goto tr_setup; 561184610Salfred } 562184610Salfred} 563184610Salfred 564184610Salfredstatic void 565194677Sthompsaugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error) 566184610Salfred{ 567194677Sthompsa struct usb_fifo *f = usbd_xfer_softc(xfer); 568193045Sthompsa usb_frlength_t actlen; 569193045Sthompsa usb_frlength_t offset; 570193045Sthompsa usb_frcount_t n; 571184610Salfred 572184610Salfred DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes); 573184610Salfred 574184610Salfred switch (USB_GET_STATE(xfer)) { 575184610Salfred case USB_ST_TRANSFERRED: 576184610Salfred case USB_ST_SETUP: 577184610Salfredtr_setup: 578184610Salfred offset = 0; 579184610Salfred for (n = 0; n != xfer->nframes; n++) { 580194228Sthompsa if (usb_fifo_get_data(f, xfer->frbuffers, offset, 581184610Salfred xfer->max_frame_size, &actlen, 1)) { 582194677Sthompsa usbd_xfer_set_frame_len(xfer, n, actlen); 583184610Salfred offset += actlen; 584184610Salfred } else { 585184610Salfred break; 586184610Salfred } 587184610Salfred } 588184610Salfred 589184610Salfred for (; n != xfer->nframes; n++) { 590184610Salfred /* fill in zero frames */ 591194677Sthompsa usbd_xfer_set_frame_len(xfer, n, 0); 592184610Salfred } 593194228Sthompsa usbd_transfer_submit(xfer); 594184610Salfred break; 595184610Salfred 596184610Salfred default: /* Error */ 597184610Salfred if (xfer->error == USB_ERR_CANCELLED) { 598184610Salfred break; 599184610Salfred } 600184610Salfred goto tr_setup; 601184610Salfred } 602184610Salfred} 603184610Salfred 604184610Salfredstatic int 605192984Sthompsaugen_set_config(struct usb_fifo *f, uint8_t index) 606184610Salfred{ 607184610Salfred DPRINTFN(2, "index %u\n", index); 608184610Salfred 609192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 610184610Salfred /* not possible in device side mode */ 611184610Salfred return (ENOTTY); 612184610Salfred } 613184610Salfred if (f->udev->curr_config_index == index) { 614184610Salfred /* no change needed */ 615184610Salfred return (0); 616184610Salfred } 617185290Salfred /* make sure all FIFO's are gone */ 618185290Salfred /* else there can be a deadlock */ 619185290Salfred if (ugen_fs_uninit(f)) { 620185290Salfred /* ignore any errors */ 621185290Salfred DPRINTFN(6, "no FIFOs\n"); 622185290Salfred } 623184610Salfred /* change setting - will free generic FIFOs, if any */ 624194228Sthompsa if (usbd_set_config_index(f->udev, index)) { 625184610Salfred return (EIO); 626184610Salfred } 627184610Salfred /* probe and attach */ 628194228Sthompsa if (usb_probe_and_attach(f->udev, USB_IFACE_INDEX_ANY)) { 629184610Salfred return (EIO); 630184610Salfred } 631184610Salfred return (0); 632184610Salfred} 633184610Salfred 634184610Salfredstatic int 635192984Sthompsaugen_set_interface(struct usb_fifo *f, 636184610Salfred uint8_t iface_index, uint8_t alt_index) 637184610Salfred{ 638184610Salfred DPRINTFN(2, "%u, %u\n", iface_index, alt_index); 639184610Salfred 640192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 641184610Salfred /* not possible in device side mode */ 642184610Salfred return (ENOTTY); 643184610Salfred } 644185290Salfred /* make sure all FIFO's are gone */ 645185290Salfred /* else there can be a deadlock */ 646185290Salfred if (ugen_fs_uninit(f)) { 647185290Salfred /* ignore any errors */ 648185290Salfred DPRINTFN(6, "no FIFOs\n"); 649185290Salfred } 650184610Salfred /* change setting - will free generic FIFOs, if any */ 651194228Sthompsa if (usbd_set_alt_interface_index(f->udev, iface_index, alt_index)) { 652184610Salfred return (EIO); 653184610Salfred } 654184610Salfred /* probe and attach */ 655194228Sthompsa if (usb_probe_and_attach(f->udev, iface_index)) { 656184610Salfred return (EIO); 657184610Salfred } 658184610Salfred return (0); 659184610Salfred} 660184610Salfred 661184610Salfred/*------------------------------------------------------------------------* 662184610Salfred * ugen_get_cdesc 663184610Salfred * 664184610Salfred * This function will retrieve the complete configuration descriptor 665184610Salfred * at the given index. 666184610Salfred *------------------------------------------------------------------------*/ 667184610Salfredstatic int 668192984Sthompsaugen_get_cdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 669184610Salfred{ 670192984Sthompsa struct usb_config_descriptor *cdesc; 671192984Sthompsa struct usb_device *udev = f->udev; 672184610Salfred int error; 673184610Salfred uint16_t len; 674184610Salfred uint8_t free_data; 675184610Salfred 676184610Salfred DPRINTFN(6, "\n"); 677184610Salfred 678184610Salfred if (ugd->ugd_data == NULL) { 679184610Salfred /* userland pointer should not be zero */ 680184610Salfred return (EINVAL); 681184610Salfred } 682184610Salfred if ((ugd->ugd_config_index == USB_UNCONFIG_INDEX) || 683184610Salfred (ugd->ugd_config_index == udev->curr_config_index)) { 684194228Sthompsa cdesc = usbd_get_config_descriptor(udev); 685184610Salfred if (cdesc == NULL) { 686184610Salfred return (ENXIO); 687184610Salfred } 688184610Salfred free_data = 0; 689184610Salfred 690184610Salfred } else { 691194228Sthompsa if (usbd_req_get_config_desc_full(udev, 692188986Sthompsa NULL, &cdesc, M_USBDEV, 693184610Salfred ugd->ugd_config_index)) { 694184610Salfred return (ENXIO); 695184610Salfred } 696184610Salfred free_data = 1; 697184610Salfred } 698184610Salfred 699184610Salfred len = UGETW(cdesc->wTotalLength); 700184610Salfred if (len > ugd->ugd_maxlen) { 701184610Salfred len = ugd->ugd_maxlen; 702184610Salfred } 703184610Salfred DPRINTFN(6, "len=%u\n", len); 704184610Salfred 705184610Salfred ugd->ugd_actlen = len; 706184610Salfred ugd->ugd_offset = 0; 707184610Salfred 708184610Salfred error = copyout(cdesc, ugd->ugd_data, len); 709184610Salfred 710184610Salfred if (free_data) { 711184610Salfred free(cdesc, M_USBDEV); 712184610Salfred } 713184610Salfred return (error); 714184610Salfred} 715184610Salfred 716247090Shselasky/* 717247090Shselasky * This function is called having the enumeration SX locked which 718247090Shselasky * protects the scratch area used. 719247090Shselasky */ 720184610Salfredstatic int 721192984Sthompsaugen_get_sdesc(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 722184610Salfred{ 723247090Shselasky void *ptr; 724247090Shselasky uint16_t size; 725184610Salfred int error; 726184610Salfred 727247090Shselasky ptr = f->udev->scratch.data; 728247090Shselasky size = sizeof(f->udev->scratch.data); 729247090Shselasky 730194228Sthompsa if (usbd_req_get_string_desc(f->udev, NULL, ptr, 731184610Salfred size, ugd->ugd_lang_id, ugd->ugd_string_index)) { 732184610Salfred error = EINVAL; 733184610Salfred } else { 734184610Salfred 735184610Salfred if (size > ((uint8_t *)ptr)[0]) { 736184610Salfred size = ((uint8_t *)ptr)[0]; 737184610Salfred } 738184610Salfred if (size > ugd->ugd_maxlen) { 739184610Salfred size = ugd->ugd_maxlen; 740184610Salfred } 741184610Salfred ugd->ugd_actlen = size; 742184610Salfred ugd->ugd_offset = 0; 743184610Salfred 744184610Salfred error = copyout(ptr, ugd->ugd_data, size); 745184610Salfred } 746184610Salfred return (error); 747184610Salfred} 748184610Salfred 749184610Salfred/*------------------------------------------------------------------------* 750188622Sthompsa * ugen_get_iface_driver 751184610Salfred * 752188622Sthompsa * This function generates an USB interface description for userland. 753184610Salfred * 754184610Salfred * Returns: 755184610Salfred * 0: Success 756184610Salfred * Else: Failure 757184610Salfred *------------------------------------------------------------------------*/ 758184610Salfredstatic int 759192984Sthompsaugen_get_iface_driver(struct usb_fifo *f, struct usb_gen_descriptor *ugd) 760184610Salfred{ 761192984Sthompsa struct usb_device *udev = f->udev; 762192984Sthompsa struct usb_interface *iface; 763184610Salfred const char *ptr; 764188622Sthompsa const char *desc; 765188622Sthompsa unsigned int len; 766188622Sthompsa unsigned int maxlen; 767188622Sthompsa char buf[128]; 768188622Sthompsa int error; 769184610Salfred 770188622Sthompsa DPRINTFN(6, "\n"); 771184610Salfred 772188622Sthompsa if ((ugd->ugd_data == NULL) || (ugd->ugd_maxlen == 0)) { 773188622Sthompsa /* userland pointer should not be zero */ 774184610Salfred return (EINVAL); 775184610Salfred } 776188622Sthompsa 777194228Sthompsa iface = usbd_get_iface(udev, ugd->ugd_iface_index); 778188622Sthompsa if ((iface == NULL) || (iface->idesc == NULL)) { 779188622Sthompsa /* invalid interface index */ 780188622Sthompsa return (EINVAL); 781184610Salfred } 782188622Sthompsa 783188622Sthompsa /* read out device nameunit string, if any */ 784188622Sthompsa if ((iface->subdev != NULL) && 785188622Sthompsa device_is_attached(iface->subdev) && 786188622Sthompsa (ptr = device_get_nameunit(iface->subdev)) && 787188622Sthompsa (desc = device_get_desc(iface->subdev))) { 788188622Sthompsa 789188622Sthompsa /* print description */ 790188622Sthompsa snprintf(buf, sizeof(buf), "%s: <%s>", ptr, desc); 791188622Sthompsa 792188622Sthompsa /* range checks */ 793188622Sthompsa maxlen = ugd->ugd_maxlen - 1; 794188622Sthompsa len = strlen(buf); 795188622Sthompsa if (len > maxlen) 796188622Sthompsa len = maxlen; 797188622Sthompsa 798188622Sthompsa /* update actual length, including terminating zero */ 799188622Sthompsa ugd->ugd_actlen = len + 1; 800188622Sthompsa 801188622Sthompsa /* copy out interface description */ 802188622Sthompsa error = copyout(buf, ugd->ugd_data, ugd->ugd_actlen); 803188622Sthompsa } else { 804188622Sthompsa /* zero length string is default */ 805188622Sthompsa error = copyout("", ugd->ugd_data, 1); 806184610Salfred } 807188622Sthompsa return (error); 808184610Salfred} 809184610Salfred 810184610Salfred/*------------------------------------------------------------------------* 811194228Sthompsa * usb_gen_fill_deviceinfo 812184610Salfred * 813184610Salfred * This function dumps information about an USB device to the 814184610Salfred * structure pointed to by the "di" argument. 815184610Salfred * 816184610Salfred * Returns: 817184610Salfred * 0: Success 818184610Salfred * Else: Failure 819184610Salfred *------------------------------------------------------------------------*/ 820184610Salfredstatic int 821194228Sthompsausb_gen_fill_deviceinfo(struct usb_fifo *f, struct usb_device_info *di) 822184610Salfred{ 823192984Sthompsa struct usb_device *udev; 824192984Sthompsa struct usb_device *hub; 825184610Salfred 826184610Salfred udev = f->udev; 827184610Salfred 828184610Salfred bzero(di, sizeof(di[0])); 829184610Salfred 830184610Salfred di->udi_bus = device_get_unit(udev->bus->bdev); 831184610Salfred di->udi_addr = udev->address; 832184610Salfred di->udi_index = udev->device_index; 833212136Sthompsa strlcpy(di->udi_serial, usb_get_serial(udev), sizeof(di->udi_serial)); 834212136Sthompsa strlcpy(di->udi_vendor, usb_get_manufacturer(udev), sizeof(di->udi_vendor)); 835212136Sthompsa strlcpy(di->udi_product, usb_get_product(udev), sizeof(di->udi_product)); 836194228Sthompsa usb_printbcd(di->udi_release, sizeof(di->udi_release), 837184610Salfred UGETW(udev->ddesc.bcdDevice)); 838184610Salfred di->udi_vendorNo = UGETW(udev->ddesc.idVendor); 839184610Salfred di->udi_productNo = UGETW(udev->ddesc.idProduct); 840184610Salfred di->udi_releaseNo = UGETW(udev->ddesc.bcdDevice); 841184610Salfred di->udi_class = udev->ddesc.bDeviceClass; 842184610Salfred di->udi_subclass = udev->ddesc.bDeviceSubClass; 843184610Salfred di->udi_protocol = udev->ddesc.bDeviceProtocol; 844184610Salfred di->udi_config_no = udev->curr_config_no; 845184610Salfred di->udi_config_index = udev->curr_config_index; 846184610Salfred di->udi_power = udev->flags.self_powered ? 0 : udev->power; 847184610Salfred di->udi_speed = udev->speed; 848192499Sthompsa di->udi_mode = udev->flags.usb_mode; 849184610Salfred di->udi_power_mode = udev->power_mode; 850191824Sthompsa di->udi_suspended = udev->flags.peer_suspended; 851184610Salfred 852184610Salfred hub = udev->parent_hub; 853184610Salfred if (hub) { 854184610Salfred di->udi_hubaddr = hub->address; 855184610Salfred di->udi_hubindex = hub->device_index; 856184610Salfred di->udi_hubport = udev->port_no; 857184610Salfred } 858184610Salfred return (0); 859184610Salfred} 860184610Salfred 861184610Salfred/*------------------------------------------------------------------------* 862184610Salfred * ugen_check_request 863184610Salfred * 864184610Salfred * Return values: 865184610Salfred * 0: Access allowed 866184610Salfred * Else: No access 867184610Salfred *------------------------------------------------------------------------*/ 868184610Salfredstatic int 869192984Sthompsaugen_check_request(struct usb_device *udev, struct usb_device_request *req) 870184610Salfred{ 871193644Sthompsa struct usb_endpoint *ep; 872184610Salfred int error; 873184610Salfred 874184610Salfred /* 875184610Salfred * Avoid requests that would damage the bus integrity: 876184610Salfred */ 877184610Salfred if (((req->bmRequestType == UT_WRITE_DEVICE) && 878184610Salfred (req->bRequest == UR_SET_ADDRESS)) || 879184610Salfred ((req->bmRequestType == UT_WRITE_DEVICE) && 880184610Salfred (req->bRequest == UR_SET_CONFIG)) || 881184610Salfred ((req->bmRequestType == UT_WRITE_INTERFACE) && 882184610Salfred (req->bRequest == UR_SET_INTERFACE))) { 883184610Salfred /* 884184610Salfred * These requests can be useful for testing USB drivers. 885184610Salfred */ 886184610Salfred error = priv_check(curthread, PRIV_DRIVER); 887184610Salfred if (error) { 888184610Salfred return (error); 889184610Salfred } 890184610Salfred } 891184610Salfred /* 892184610Salfred * Special case - handle clearing of stall 893184610Salfred */ 894184610Salfred if (req->bmRequestType == UT_WRITE_ENDPOINT) { 895184610Salfred 896194228Sthompsa ep = usbd_get_ep_by_addr(udev, req->wIndex[0]); 897193644Sthompsa if (ep == NULL) { 898184610Salfred return (EINVAL); 899184610Salfred } 900184610Salfred if ((req->bRequest == UR_CLEAR_FEATURE) && 901184610Salfred (UGETW(req->wValue) == UF_ENDPOINT_HALT)) { 902194228Sthompsa usbd_clear_data_toggle(udev, ep); 903184610Salfred } 904184610Salfred } 905184610Salfred /* TODO: add more checks to verify the interface index */ 906184610Salfred 907184610Salfred return (0); 908184610Salfred} 909184610Salfred 910184610Salfredint 911192984Sthompsaugen_do_request(struct usb_fifo *f, struct usb_ctl_request *ur) 912184610Salfred{ 913184610Salfred int error; 914184610Salfred uint16_t len; 915184610Salfred uint16_t actlen; 916184610Salfred 917184610Salfred if (ugen_check_request(f->udev, &ur->ucr_request)) { 918184610Salfred return (EPERM); 919184610Salfred } 920184610Salfred len = UGETW(ur->ucr_request.wLength); 921184610Salfred 922184610Salfred /* check if "ucr_data" is valid */ 923184610Salfred if (len != 0) { 924184610Salfred if (ur->ucr_data == NULL) { 925184610Salfred return (EFAULT); 926184610Salfred } 927184610Salfred } 928184610Salfred /* do the USB request */ 929194228Sthompsa error = usbd_do_request_flags 930184610Salfred (f->udev, NULL, &ur->ucr_request, ur->ucr_data, 931184610Salfred (ur->ucr_flags & USB_SHORT_XFER_OK) | 932184610Salfred USB_USER_DATA_PTR, &actlen, 933184610Salfred USB_DEFAULT_TIMEOUT); 934184610Salfred 935184610Salfred ur->ucr_actlen = actlen; 936184610Salfred 937184610Salfred if (error) { 938184610Salfred error = EIO; 939184610Salfred } 940184610Salfred return (error); 941184610Salfred} 942184610Salfred 943184610Salfred/*------------------------------------------------------------------------ 944184610Salfred * ugen_re_enumerate 945184610Salfred *------------------------------------------------------------------------*/ 946184610Salfredstatic int 947192984Sthompsaugen_re_enumerate(struct usb_fifo *f) 948184610Salfred{ 949192984Sthompsa struct usb_device *udev = f->udev; 950184610Salfred int error; 951184610Salfred 952184610Salfred /* 953184610Salfred * This request can be useful for testing USB drivers: 954184610Salfred */ 955184610Salfred error = priv_check(curthread, PRIV_DRIVER); 956184610Salfred if (error) { 957184610Salfred return (error); 958184610Salfred } 959213432Shselasky if (udev->flags.usb_mode != USB_MODE_HOST) { 960213432Shselasky /* not possible in device side mode */ 961219395Shselasky DPRINTFN(6, "device mode\n"); 962213432Shselasky return (ENOTTY); 963185087Salfred } 964219395Shselasky if (udev->parent_hub == NULL) { 965219395Shselasky /* the root HUB cannot be re-enumerated */ 966219395Shselasky DPRINTFN(6, "cannot reset root HUB\n"); 967219395Shselasky return (EINVAL); 968219395Shselasky } 969213432Shselasky /* make sure all FIFO's are gone */ 970213432Shselasky /* else there can be a deadlock */ 971213432Shselasky if (ugen_fs_uninit(f)) { 972213432Shselasky /* ignore any errors */ 973213432Shselasky DPRINTFN(6, "no FIFOs\n"); 974184610Salfred } 975222786Shselasky /* start re-enumeration of device */ 976222786Shselasky usbd_start_re_enumerate(udev); 977184610Salfred return (0); 978184610Salfred} 979184610Salfred 980185087Salfredint 981192984Sthompsaugen_fs_uninit(struct usb_fifo *f) 982184610Salfred{ 983184610Salfred if (f->fs_xfer == NULL) { 984184610Salfred return (EINVAL); 985184610Salfred } 986194228Sthompsa usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max); 987184610Salfred free(f->fs_xfer, M_USB); 988184610Salfred f->fs_xfer = NULL; 989184610Salfred f->fs_ep_max = 0; 990184610Salfred f->fs_ep_ptr = NULL; 991184610Salfred f->flag_iscomplete = 0; 992194228Sthompsa usb_fifo_free_buffer(f); 993184610Salfred return (0); 994184610Salfred} 995184610Salfred 996184610Salfredstatic uint8_t 997192984Sthompsaugen_fs_get_complete(struct usb_fifo *f, uint8_t *pindex) 998184610Salfred{ 999192984Sthompsa struct usb_mbuf *m; 1000184610Salfred 1001184610Salfred USB_IF_DEQUEUE(&f->used_q, m); 1002184610Salfred 1003184610Salfred if (m) { 1004184610Salfred *pindex = *((uint8_t *)(m->cur_data_ptr)); 1005184610Salfred 1006184610Salfred USB_IF_ENQUEUE(&f->free_q, m); 1007184610Salfred 1008184610Salfred return (0); /* success */ 1009184610Salfred } else { 1010184610Salfred 1011184610Salfred *pindex = 0; /* fix compiler warning */ 1012184610Salfred 1013184610Salfred f->flag_iscomplete = 0; 1014184610Salfred } 1015184610Salfred return (1); /* failure */ 1016184610Salfred} 1017184610Salfred 1018184610Salfredstatic void 1019192984Sthompsaugen_fs_set_complete(struct usb_fifo *f, uint8_t index) 1020184610Salfred{ 1021192984Sthompsa struct usb_mbuf *m; 1022184610Salfred 1023184610Salfred USB_IF_DEQUEUE(&f->free_q, m); 1024184610Salfred 1025184610Salfred if (m == NULL) { 1026184610Salfred /* can happen during close */ 1027184610Salfred DPRINTF("out of buffers\n"); 1028184610Salfred return; 1029184610Salfred } 1030184610Salfred USB_MBUF_RESET(m); 1031184610Salfred 1032184610Salfred *((uint8_t *)(m->cur_data_ptr)) = index; 1033184610Salfred 1034184610Salfred USB_IF_ENQUEUE(&f->used_q, m); 1035184610Salfred 1036184610Salfred f->flag_iscomplete = 1; 1037184610Salfred 1038194228Sthompsa usb_fifo_wakeup(f); 1039184610Salfred} 1040184610Salfred 1041184610Salfredstatic int 1042192984Sthompsaugen_fs_copy_in(struct usb_fifo *f, uint8_t ep_index) 1043184610Salfred{ 1044192984Sthompsa struct usb_device_request *req; 1045192984Sthompsa struct usb_xfer *xfer; 1046192984Sthompsa struct usb_fs_endpoint fs_ep; 1047184610Salfred void *uaddr; /* userland pointer */ 1048184610Salfred void *kaddr; 1049193045Sthompsa usb_frlength_t offset; 1050193045Sthompsa usb_frlength_t rem; 1051193045Sthompsa usb_frcount_t n; 1052184610Salfred uint32_t length; 1053184610Salfred int error; 1054184610Salfred uint8_t isread; 1055184610Salfred 1056184610Salfred if (ep_index >= f->fs_ep_max) { 1057184610Salfred return (EINVAL); 1058184610Salfred } 1059184610Salfred xfer = f->fs_xfer[ep_index]; 1060184610Salfred if (xfer == NULL) { 1061184610Salfred return (EINVAL); 1062184610Salfred } 1063184610Salfred mtx_lock(f->priv_mtx); 1064194228Sthompsa if (usbd_transfer_pending(xfer)) { 1065184610Salfred mtx_unlock(f->priv_mtx); 1066184610Salfred return (EBUSY); /* should not happen */ 1067184610Salfred } 1068184610Salfred mtx_unlock(f->priv_mtx); 1069184610Salfred 1070184610Salfred error = copyin(f->fs_ep_ptr + 1071184610Salfred ep_index, &fs_ep, sizeof(fs_ep)); 1072184610Salfred if (error) { 1073184610Salfred return (error); 1074184610Salfred } 1075184610Salfred /* security checks */ 1076184610Salfred 1077184610Salfred if (fs_ep.nFrames > xfer->max_frame_count) { 1078184610Salfred xfer->error = USB_ERR_INVAL; 1079184610Salfred goto complete; 1080184610Salfred } 1081184610Salfred if (fs_ep.nFrames == 0) { 1082184610Salfred xfer->error = USB_ERR_INVAL; 1083184610Salfred goto complete; 1084184610Salfred } 1085184610Salfred error = copyin(fs_ep.ppBuffer, 1086184610Salfred &uaddr, sizeof(uaddr)); 1087184610Salfred if (error) { 1088184610Salfred return (error); 1089184610Salfred } 1090184610Salfred /* reset first frame */ 1091194677Sthompsa usbd_xfer_set_frame_offset(xfer, 0, 0); 1092184610Salfred 1093184610Salfred if (xfer->flags_int.control_xfr) { 1094184610Salfred 1095184610Salfred req = xfer->frbuffers[0].buffer; 1096184610Salfred 1097184610Salfred error = copyin(fs_ep.pLength, 1098184610Salfred &length, sizeof(length)); 1099184610Salfred if (error) { 1100184610Salfred return (error); 1101184610Salfred } 1102194659Sthompsa if (length != sizeof(*req)) { 1103184610Salfred xfer->error = USB_ERR_INVAL; 1104184610Salfred goto complete; 1105184610Salfred } 1106184610Salfred if (length != 0) { 1107184610Salfred error = copyin(uaddr, req, length); 1108184610Salfred if (error) { 1109184610Salfred return (error); 1110184610Salfred } 1111184610Salfred } 1112184610Salfred if (ugen_check_request(f->udev, req)) { 1113184610Salfred xfer->error = USB_ERR_INVAL; 1114184610Salfred goto complete; 1115184610Salfred } 1116194677Sthompsa usbd_xfer_set_frame_len(xfer, 0, length); 1117184610Salfred 1118184610Salfred /* Host mode only ! */ 1119184610Salfred if ((req->bmRequestType & 1120184610Salfred (UT_READ | UT_WRITE)) == UT_READ) { 1121184610Salfred isread = 1; 1122184610Salfred } else { 1123184610Salfred isread = 0; 1124184610Salfred } 1125184610Salfred n = 1; 1126184610Salfred offset = sizeof(*req); 1127184610Salfred 1128184610Salfred } else { 1129184610Salfred /* Device and Host mode */ 1130184610Salfred if (USB_GET_DATA_ISREAD(xfer)) { 1131184610Salfred isread = 1; 1132184610Salfred } else { 1133184610Salfred isread = 0; 1134184610Salfred } 1135184610Salfred n = 0; 1136184610Salfred offset = 0; 1137184610Salfred } 1138184610Salfred 1139194677Sthompsa rem = usbd_xfer_max_len(xfer); 1140184610Salfred xfer->nframes = fs_ep.nFrames; 1141184610Salfred xfer->timeout = fs_ep.timeout; 1142184610Salfred if (xfer->timeout > 65535) { 1143184610Salfred xfer->timeout = 65535; 1144184610Salfred } 1145184610Salfred if (fs_ep.flags & USB_FS_FLAG_SINGLE_SHORT_OK) 1146184610Salfred xfer->flags.short_xfer_ok = 1; 1147184610Salfred else 1148184610Salfred xfer->flags.short_xfer_ok = 0; 1149184610Salfred 1150184610Salfred if (fs_ep.flags & USB_FS_FLAG_MULTI_SHORT_OK) 1151184610Salfred xfer->flags.short_frames_ok = 1; 1152184610Salfred else 1153184610Salfred xfer->flags.short_frames_ok = 0; 1154184610Salfred 1155184610Salfred if (fs_ep.flags & USB_FS_FLAG_FORCE_SHORT) 1156184610Salfred xfer->flags.force_short_xfer = 1; 1157184610Salfred else 1158184610Salfred xfer->flags.force_short_xfer = 0; 1159184610Salfred 1160184610Salfred if (fs_ep.flags & USB_FS_FLAG_CLEAR_STALL) 1161194677Sthompsa usbd_xfer_set_stall(xfer); 1162184610Salfred else 1163184610Salfred xfer->flags.stall_pipe = 0; 1164184610Salfred 1165184610Salfred for (; n != xfer->nframes; n++) { 1166184610Salfred 1167184610Salfred error = copyin(fs_ep.pLength + n, 1168184610Salfred &length, sizeof(length)); 1169184610Salfred if (error) { 1170184610Salfred break; 1171184610Salfred } 1172194677Sthompsa usbd_xfer_set_frame_len(xfer, n, length); 1173184610Salfred 1174184610Salfred if (length > rem) { 1175184610Salfred xfer->error = USB_ERR_INVAL; 1176184610Salfred goto complete; 1177184610Salfred } 1178184610Salfred rem -= length; 1179184610Salfred 1180184610Salfred if (!isread) { 1181184610Salfred 1182184610Salfred /* we need to know the source buffer */ 1183184610Salfred error = copyin(fs_ep.ppBuffer + n, 1184184610Salfred &uaddr, sizeof(uaddr)); 1185184610Salfred if (error) { 1186184610Salfred break; 1187184610Salfred } 1188184610Salfred if (xfer->flags_int.isochronous_xfr) { 1189184610Salfred /* get kernel buffer address */ 1190184610Salfred kaddr = xfer->frbuffers[0].buffer; 1191184610Salfred kaddr = USB_ADD_BYTES(kaddr, offset); 1192184610Salfred } else { 1193184610Salfred /* set current frame offset */ 1194194677Sthompsa usbd_xfer_set_frame_offset(xfer, offset, n); 1195184610Salfred 1196184610Salfred /* get kernel buffer address */ 1197184610Salfred kaddr = xfer->frbuffers[n].buffer; 1198184610Salfred } 1199184610Salfred 1200184610Salfred /* move data */ 1201184610Salfred error = copyin(uaddr, kaddr, length); 1202184610Salfred if (error) { 1203184610Salfred break; 1204184610Salfred } 1205184610Salfred } 1206184610Salfred offset += length; 1207184610Salfred } 1208184610Salfred return (error); 1209184610Salfred 1210184610Salfredcomplete: 1211184610Salfred mtx_lock(f->priv_mtx); 1212184610Salfred ugen_fs_set_complete(f, ep_index); 1213184610Salfred mtx_unlock(f->priv_mtx); 1214184610Salfred return (0); 1215184610Salfred} 1216184610Salfred 1217184610Salfredstatic int 1218192984Sthompsaugen_fs_copy_out(struct usb_fifo *f, uint8_t ep_index) 1219184610Salfred{ 1220192984Sthompsa struct usb_device_request *req; 1221192984Sthompsa struct usb_xfer *xfer; 1222192984Sthompsa struct usb_fs_endpoint fs_ep; 1223192984Sthompsa struct usb_fs_endpoint *fs_ep_uptr; /* userland ptr */ 1224184610Salfred void *uaddr; /* userland ptr */ 1225184610Salfred void *kaddr; 1226193045Sthompsa usb_frlength_t offset; 1227193045Sthompsa usb_frlength_t rem; 1228193045Sthompsa usb_frcount_t n; 1229184610Salfred uint32_t length; 1230184610Salfred uint32_t temp; 1231184610Salfred int error; 1232184610Salfred uint8_t isread; 1233184610Salfred 1234190181Sthompsa if (ep_index >= f->fs_ep_max) 1235184610Salfred return (EINVAL); 1236190181Sthompsa 1237184610Salfred xfer = f->fs_xfer[ep_index]; 1238190181Sthompsa if (xfer == NULL) 1239184610Salfred return (EINVAL); 1240190181Sthompsa 1241184610Salfred mtx_lock(f->priv_mtx); 1242194228Sthompsa if (usbd_transfer_pending(xfer)) { 1243184610Salfred mtx_unlock(f->priv_mtx); 1244184610Salfred return (EBUSY); /* should not happen */ 1245184610Salfred } 1246184610Salfred mtx_unlock(f->priv_mtx); 1247184610Salfred 1248184610Salfred fs_ep_uptr = f->fs_ep_ptr + ep_index; 1249184610Salfred error = copyin(fs_ep_uptr, &fs_ep, sizeof(fs_ep)); 1250184610Salfred if (error) { 1251184610Salfred return (error); 1252184610Salfred } 1253184610Salfred fs_ep.status = xfer->error; 1254184610Salfred fs_ep.aFrames = xfer->aframes; 1255184610Salfred fs_ep.isoc_time_complete = xfer->isoc_time_complete; 1256184610Salfred if (xfer->error) { 1257184610Salfred goto complete; 1258184610Salfred } 1259184610Salfred if (xfer->flags_int.control_xfr) { 1260184610Salfred req = xfer->frbuffers[0].buffer; 1261184610Salfred 1262184610Salfred /* Host mode only ! */ 1263184610Salfred if ((req->bmRequestType & (UT_READ | UT_WRITE)) == UT_READ) { 1264184610Salfred isread = 1; 1265184610Salfred } else { 1266184610Salfred isread = 0; 1267184610Salfred } 1268184610Salfred if (xfer->nframes == 0) 1269184610Salfred n = 0; /* should never happen */ 1270184610Salfred else 1271184610Salfred n = 1; 1272184610Salfred } else { 1273184610Salfred /* Device and Host mode */ 1274184610Salfred if (USB_GET_DATA_ISREAD(xfer)) { 1275184610Salfred isread = 1; 1276184610Salfred } else { 1277184610Salfred isread = 0; 1278184610Salfred } 1279184610Salfred n = 0; 1280184610Salfred } 1281184610Salfred 1282184610Salfred /* Update lengths and copy out data */ 1283184610Salfred 1284194677Sthompsa rem = usbd_xfer_max_len(xfer); 1285184610Salfred offset = 0; 1286184610Salfred 1287184610Salfred for (; n != xfer->nframes; n++) { 1288184610Salfred 1289184610Salfred /* get initial length into "temp" */ 1290184610Salfred error = copyin(fs_ep.pLength + n, 1291184610Salfred &temp, sizeof(temp)); 1292184610Salfred if (error) { 1293184610Salfred return (error); 1294184610Salfred } 1295184610Salfred if (temp > rem) { 1296184610Salfred /* the userland length has been corrupted */ 1297184610Salfred DPRINTF("corrupt userland length " 1298184610Salfred "%u > %u\n", temp, rem); 1299184610Salfred fs_ep.status = USB_ERR_INVAL; 1300184610Salfred goto complete; 1301184610Salfred } 1302184610Salfred rem -= temp; 1303184610Salfred 1304184610Salfred /* get actual transfer length */ 1305184610Salfred length = xfer->frlengths[n]; 1306184610Salfred if (length > temp) { 1307184610Salfred /* data overflow */ 1308184610Salfred fs_ep.status = USB_ERR_INVAL; 1309184610Salfred DPRINTF("data overflow %u > %u\n", 1310184610Salfred length, temp); 1311184610Salfred goto complete; 1312184610Salfred } 1313184610Salfred if (isread) { 1314184610Salfred 1315184610Salfred /* we need to know the destination buffer */ 1316184610Salfred error = copyin(fs_ep.ppBuffer + n, 1317184610Salfred &uaddr, sizeof(uaddr)); 1318184610Salfred if (error) { 1319184610Salfred return (error); 1320184610Salfred } 1321184610Salfred if (xfer->flags_int.isochronous_xfr) { 1322184610Salfred /* only one frame buffer */ 1323184610Salfred kaddr = USB_ADD_BYTES( 1324184610Salfred xfer->frbuffers[0].buffer, offset); 1325184610Salfred } else { 1326184610Salfred /* multiple frame buffers */ 1327184610Salfred kaddr = xfer->frbuffers[n].buffer; 1328184610Salfred } 1329184610Salfred 1330184610Salfred /* move data */ 1331184610Salfred error = copyout(kaddr, uaddr, length); 1332184610Salfred if (error) { 1333184610Salfred return (error); 1334184610Salfred } 1335184610Salfred } 1336184610Salfred /* 1337184610Salfred * Update offset according to initial length, which is 1338184610Salfred * needed by isochronous transfers! 1339184610Salfred */ 1340184610Salfred offset += temp; 1341184610Salfred 1342184610Salfred /* update length */ 1343184610Salfred error = copyout(&length, 1344184610Salfred fs_ep.pLength + n, sizeof(length)); 1345184610Salfred if (error) { 1346184610Salfred return (error); 1347184610Salfred } 1348184610Salfred } 1349184610Salfred 1350184610Salfredcomplete: 1351184610Salfred /* update "aFrames" */ 1352184610Salfred error = copyout(&fs_ep.aFrames, &fs_ep_uptr->aFrames, 1353184610Salfred sizeof(fs_ep.aFrames)); 1354184610Salfred if (error) 1355184610Salfred goto done; 1356184610Salfred 1357184610Salfred /* update "isoc_time_complete" */ 1358184610Salfred error = copyout(&fs_ep.isoc_time_complete, 1359184610Salfred &fs_ep_uptr->isoc_time_complete, 1360184610Salfred sizeof(fs_ep.isoc_time_complete)); 1361184610Salfred if (error) 1362184610Salfred goto done; 1363184610Salfred /* update "status" */ 1364184610Salfred error = copyout(&fs_ep.status, &fs_ep_uptr->status, 1365184610Salfred sizeof(fs_ep.status)); 1366184610Salfreddone: 1367184610Salfred return (error); 1368184610Salfred} 1369184610Salfred 1370184610Salfredstatic uint8_t 1371192984Sthompsaugen_fifo_in_use(struct usb_fifo *f, int fflags) 1372184610Salfred{ 1373192984Sthompsa struct usb_fifo *f_rx; 1374192984Sthompsa struct usb_fifo *f_tx; 1375184610Salfred 1376184610Salfred f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1377184610Salfred f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1378184610Salfred 1379184610Salfred if ((fflags & FREAD) && f_rx && 1380184610Salfred (f_rx->xfer[0] || f_rx->xfer[1])) { 1381184610Salfred return (1); /* RX FIFO in use */ 1382184610Salfred } 1383184610Salfred if ((fflags & FWRITE) && f_tx && 1384184610Salfred (f_tx->xfer[0] || f_tx->xfer[1])) { 1385184610Salfred return (1); /* TX FIFO in use */ 1386184610Salfred } 1387184610Salfred return (0); /* not in use */ 1388184610Salfred} 1389184610Salfred 1390184610Salfredstatic int 1391192984Sthompsaugen_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1392184610Salfred{ 1393192984Sthompsa struct usb_config usb_config[1]; 1394192984Sthompsa struct usb_device_request req; 1395184610Salfred union { 1396192984Sthompsa struct usb_fs_complete *pcomp; 1397192984Sthompsa struct usb_fs_start *pstart; 1398192984Sthompsa struct usb_fs_stop *pstop; 1399192984Sthompsa struct usb_fs_open *popen; 1400192984Sthompsa struct usb_fs_close *pclose; 1401192984Sthompsa struct usb_fs_clear_stall_sync *pstall; 1402184610Salfred void *addr; 1403184610Salfred } u; 1404193644Sthompsa struct usb_endpoint *ep; 1405192984Sthompsa struct usb_endpoint_descriptor *ed; 1406220304Shselasky struct usb_xfer *xfer; 1407184610Salfred int error = 0; 1408184610Salfred uint8_t iface_index; 1409184610Salfred uint8_t isread; 1410184610Salfred uint8_t ep_index; 1411219100Shselasky uint8_t pre_scale; 1412184610Salfred 1413184610Salfred u.addr = addr; 1414184610Salfred 1415185087Salfred DPRINTFN(6, "cmd=0x%08lx\n", cmd); 1416185087Salfred 1417184610Salfred switch (cmd) { 1418184610Salfred case USB_FS_COMPLETE: 1419184610Salfred mtx_lock(f->priv_mtx); 1420184610Salfred error = ugen_fs_get_complete(f, &ep_index); 1421184610Salfred mtx_unlock(f->priv_mtx); 1422184610Salfred 1423184610Salfred if (error) { 1424184610Salfred error = EBUSY; 1425184610Salfred break; 1426184610Salfred } 1427184610Salfred u.pcomp->ep_index = ep_index; 1428184610Salfred error = ugen_fs_copy_out(f, u.pcomp->ep_index); 1429184610Salfred break; 1430184610Salfred 1431184610Salfred case USB_FS_START: 1432184610Salfred error = ugen_fs_copy_in(f, u.pstart->ep_index); 1433220304Shselasky if (error) 1434184610Salfred break; 1435184610Salfred mtx_lock(f->priv_mtx); 1436220304Shselasky xfer = f->fs_xfer[u.pstart->ep_index]; 1437220304Shselasky usbd_transfer_start(xfer); 1438184610Salfred mtx_unlock(f->priv_mtx); 1439184610Salfred break; 1440184610Salfred 1441184610Salfred case USB_FS_STOP: 1442184610Salfred if (u.pstop->ep_index >= f->fs_ep_max) { 1443184610Salfred error = EINVAL; 1444184610Salfred break; 1445184610Salfred } 1446184610Salfred mtx_lock(f->priv_mtx); 1447220304Shselasky xfer = f->fs_xfer[u.pstart->ep_index]; 1448220304Shselasky if (usbd_transfer_pending(xfer)) { 1449220304Shselasky usbd_transfer_stop(xfer); 1450220304Shselasky /* 1451220304Shselasky * Check if the USB transfer was stopped 1452220304Shselasky * before it was even started. Else a cancel 1453220304Shselasky * callback will be pending. 1454220304Shselasky */ 1455220304Shselasky if (!xfer->flags_int.transferring) { 1456220304Shselasky ugen_fs_set_complete(xfer->priv_sc, 1457220304Shselasky USB_P2U(xfer->priv_fifo)); 1458220304Shselasky } 1459220304Shselasky } 1460184610Salfred mtx_unlock(f->priv_mtx); 1461184610Salfred break; 1462184610Salfred 1463184610Salfred case USB_FS_OPEN: 1464184610Salfred if (u.popen->ep_index >= f->fs_ep_max) { 1465184610Salfred error = EINVAL; 1466184610Salfred break; 1467184610Salfred } 1468184610Salfred if (f->fs_xfer[u.popen->ep_index] != NULL) { 1469184610Salfred error = EBUSY; 1470184610Salfred break; 1471184610Salfred } 1472184610Salfred if (u.popen->max_bufsize > USB_FS_MAX_BUFSIZE) { 1473184610Salfred u.popen->max_bufsize = USB_FS_MAX_BUFSIZE; 1474184610Salfred } 1475219100Shselasky if (u.popen->max_frames & USB_FS_MAX_FRAMES_PRE_SCALE) { 1476219100Shselasky pre_scale = 1; 1477219100Shselasky u.popen->max_frames &= ~USB_FS_MAX_FRAMES_PRE_SCALE; 1478219100Shselasky } else { 1479219100Shselasky pre_scale = 0; 1480219100Shselasky } 1481184610Salfred if (u.popen->max_frames > USB_FS_MAX_FRAMES) { 1482184610Salfred u.popen->max_frames = USB_FS_MAX_FRAMES; 1483184610Salfred break; 1484184610Salfred } 1485184610Salfred if (u.popen->max_frames == 0) { 1486184610Salfred error = EINVAL; 1487184610Salfred break; 1488184610Salfred } 1489194228Sthompsa ep = usbd_get_ep_by_addr(f->udev, u.popen->ep_no); 1490193644Sthompsa if (ep == NULL) { 1491184610Salfred error = EINVAL; 1492184610Salfred break; 1493184610Salfred } 1494193644Sthompsa ed = ep->edesc; 1495184610Salfred if (ed == NULL) { 1496184610Salfred error = ENXIO; 1497184610Salfred break; 1498184610Salfred } 1499193644Sthompsa iface_index = ep->iface_index; 1500184610Salfred 1501219100Shselasky memset(usb_config, 0, sizeof(usb_config)); 1502184610Salfred 1503192984Sthompsa usb_config[0].type = ed->bmAttributes & UE_XFERTYPE; 1504192984Sthompsa usb_config[0].endpoint = ed->bEndpointAddress & UE_ADDR; 1505192984Sthompsa usb_config[0].direction = ed->bEndpointAddress & (UE_DIR_OUT | UE_DIR_IN); 1506192984Sthompsa usb_config[0].interval = USB_DEFAULT_INTERVAL; 1507192984Sthompsa usb_config[0].flags.proxy_buffer = 1; 1508219100Shselasky if (pre_scale != 0) 1509219100Shselasky usb_config[0].flags.pre_scale_frames = 1; 1510207080Sthompsa usb_config[0].callback = &ugen_ctrl_fs_callback; 1511192984Sthompsa usb_config[0].timeout = 0; /* no timeout */ 1512192984Sthompsa usb_config[0].frames = u.popen->max_frames; 1513192984Sthompsa usb_config[0].bufsize = u.popen->max_bufsize; 1514192984Sthompsa usb_config[0].usb_mode = USB_MODE_DUAL; /* both modes */ 1515184610Salfred 1516192984Sthompsa if (usb_config[0].type == UE_CONTROL) { 1517192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1518184610Salfred error = EINVAL; 1519184610Salfred break; 1520184610Salfred } 1521184610Salfred } else { 1522184610Salfred 1523192984Sthompsa isread = ((usb_config[0].endpoint & 1524184610Salfred (UE_DIR_IN | UE_DIR_OUT)) == UE_DIR_IN); 1525184610Salfred 1526192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1527184610Salfred isread = !isread; 1528184610Salfred } 1529184610Salfred /* check permissions */ 1530184610Salfred if (isread) { 1531184610Salfred if (!(fflags & FREAD)) { 1532184610Salfred error = EPERM; 1533184610Salfred break; 1534184610Salfred } 1535184610Salfred } else { 1536184610Salfred if (!(fflags & FWRITE)) { 1537184610Salfred error = EPERM; 1538184610Salfred break; 1539184610Salfred } 1540184610Salfred } 1541184610Salfred } 1542194228Sthompsa error = usbd_transfer_setup(f->udev, &iface_index, 1543192984Sthompsa f->fs_xfer + u.popen->ep_index, usb_config, 1, 1544184610Salfred f, f->priv_mtx); 1545184610Salfred if (error == 0) { 1546184610Salfred /* update maximums */ 1547184610Salfred u.popen->max_packet_length = 1548184610Salfred f->fs_xfer[u.popen->ep_index]->max_frame_size; 1549184610Salfred u.popen->max_bufsize = 1550184610Salfred f->fs_xfer[u.popen->ep_index]->max_data_length; 1551219100Shselasky /* update number of frames */ 1552219100Shselasky u.popen->max_frames = 1553219100Shselasky f->fs_xfer[u.popen->ep_index]->nframes; 1554219100Shselasky /* store index of endpoint */ 1555184610Salfred f->fs_xfer[u.popen->ep_index]->priv_fifo = 1556184610Salfred ((uint8_t *)0) + u.popen->ep_index; 1557184610Salfred } else { 1558184610Salfred error = ENOMEM; 1559184610Salfred } 1560184610Salfred break; 1561184610Salfred 1562184610Salfred case USB_FS_CLOSE: 1563184610Salfred if (u.pclose->ep_index >= f->fs_ep_max) { 1564184610Salfred error = EINVAL; 1565184610Salfred break; 1566184610Salfred } 1567184610Salfred if (f->fs_xfer[u.pclose->ep_index] == NULL) { 1568184610Salfred error = EINVAL; 1569184610Salfred break; 1570184610Salfred } 1571194228Sthompsa usbd_transfer_unsetup(f->fs_xfer + u.pclose->ep_index, 1); 1572184610Salfred break; 1573184610Salfred 1574184610Salfred case USB_FS_CLEAR_STALL_SYNC: 1575184610Salfred if (u.pstall->ep_index >= f->fs_ep_max) { 1576184610Salfred error = EINVAL; 1577184610Salfred break; 1578184610Salfred } 1579184610Salfred if (f->fs_xfer[u.pstall->ep_index] == NULL) { 1580184610Salfred error = EINVAL; 1581184610Salfred break; 1582184610Salfred } 1583192499Sthompsa if (f->udev->flags.usb_mode != USB_MODE_HOST) { 1584184610Salfred error = EINVAL; 1585184610Salfred break; 1586184610Salfred } 1587184610Salfred mtx_lock(f->priv_mtx); 1588194228Sthompsa error = usbd_transfer_pending(f->fs_xfer[u.pstall->ep_index]); 1589184610Salfred mtx_unlock(f->priv_mtx); 1590184610Salfred 1591184610Salfred if (error) { 1592184610Salfred return (EBUSY); 1593184610Salfred } 1594193644Sthompsa ep = f->fs_xfer[u.pstall->ep_index]->endpoint; 1595184610Salfred 1596184610Salfred /* setup a clear-stall packet */ 1597184610Salfred req.bmRequestType = UT_WRITE_ENDPOINT; 1598184610Salfred req.bRequest = UR_CLEAR_FEATURE; 1599184610Salfred USETW(req.wValue, UF_ENDPOINT_HALT); 1600193644Sthompsa req.wIndex[0] = ep->edesc->bEndpointAddress; 1601184610Salfred req.wIndex[1] = 0; 1602184610Salfred USETW(req.wLength, 0); 1603184610Salfred 1604194228Sthompsa error = usbd_do_request(f->udev, NULL, &req, NULL); 1605184610Salfred if (error == 0) { 1606194228Sthompsa usbd_clear_data_toggle(f->udev, ep); 1607184610Salfred } else { 1608184610Salfred error = ENXIO; 1609184610Salfred } 1610184610Salfred break; 1611184610Salfred 1612184610Salfred default: 1613185087Salfred error = ENOIOCTL; 1614184610Salfred break; 1615184610Salfred } 1616185087Salfred 1617185087Salfred DPRINTFN(6, "error=%d\n", error); 1618185087Salfred 1619184610Salfred return (error); 1620184610Salfred} 1621184610Salfred 1622184610Salfredstatic int 1623192984Sthompsaugen_set_short_xfer(struct usb_fifo *f, void *addr) 1624184610Salfred{ 1625184610Salfred uint8_t t; 1626184610Salfred 1627184610Salfred if (*(int *)addr) 1628184610Salfred t = 1; 1629184610Salfred else 1630184610Salfred t = 0; 1631184610Salfred 1632184610Salfred if (f->flag_short == t) { 1633184610Salfred /* same value like before - accept */ 1634184610Salfred return (0); 1635184610Salfred } 1636184610Salfred if (f->xfer[0] || f->xfer[1]) { 1637184610Salfred /* cannot change this during transfer */ 1638184610Salfred return (EBUSY); 1639184610Salfred } 1640184610Salfred f->flag_short = t; 1641184610Salfred return (0); 1642184610Salfred} 1643184610Salfred 1644184610Salfredstatic int 1645192984Sthompsaugen_set_timeout(struct usb_fifo *f, void *addr) 1646184610Salfred{ 1647184610Salfred f->timeout = *(int *)addr; 1648184610Salfred if (f->timeout > 65535) { 1649184610Salfred /* limit user input */ 1650184610Salfred f->timeout = 65535; 1651184610Salfred } 1652184610Salfred return (0); 1653184610Salfred} 1654184610Salfred 1655184610Salfredstatic int 1656192984Sthompsaugen_get_frame_size(struct usb_fifo *f, void *addr) 1657184610Salfred{ 1658184610Salfred if (f->xfer[0]) { 1659184610Salfred *(int *)addr = f->xfer[0]->max_frame_size; 1660184610Salfred } else { 1661184610Salfred return (EINVAL); 1662184610Salfred } 1663184610Salfred return (0); 1664184610Salfred} 1665184610Salfred 1666184610Salfredstatic int 1667192984Sthompsaugen_set_buffer_size(struct usb_fifo *f, void *addr) 1668184610Salfred{ 1669193045Sthompsa usb_frlength_t t; 1670184610Salfred 1671190188Sthompsa if (*(int *)addr < 0) 1672190188Sthompsa t = 0; /* use "wMaxPacketSize" */ 1673184610Salfred else if (*(int *)addr < (256 * 1024)) 1674184610Salfred t = *(int *)addr; 1675184610Salfred else 1676184610Salfred t = 256 * 1024; 1677184610Salfred 1678184610Salfred if (f->bufsize == t) { 1679184610Salfred /* same value like before - accept */ 1680184610Salfred return (0); 1681184610Salfred } 1682184610Salfred if (f->xfer[0] || f->xfer[1]) { 1683184610Salfred /* cannot change this during transfer */ 1684184610Salfred return (EBUSY); 1685184610Salfred } 1686184610Salfred f->bufsize = t; 1687184610Salfred return (0); 1688184610Salfred} 1689184610Salfred 1690184610Salfredstatic int 1691192984Sthompsaugen_get_buffer_size(struct usb_fifo *f, void *addr) 1692184610Salfred{ 1693184610Salfred *(int *)addr = f->bufsize; 1694184610Salfred return (0); 1695184610Salfred} 1696184610Salfred 1697184610Salfredstatic int 1698192984Sthompsaugen_get_iface_desc(struct usb_fifo *f, 1699192984Sthompsa struct usb_interface_descriptor *idesc) 1700184610Salfred{ 1701192984Sthompsa struct usb_interface *iface; 1702184610Salfred 1703194228Sthompsa iface = usbd_get_iface(f->udev, f->iface_index); 1704184610Salfred if (iface && iface->idesc) { 1705184610Salfred *idesc = *(iface->idesc); 1706184610Salfred } else { 1707184610Salfred return (EIO); 1708184610Salfred } 1709184610Salfred return (0); 1710184610Salfred} 1711184610Salfred 1712184610Salfredstatic int 1713192984Sthompsaugen_get_endpoint_desc(struct usb_fifo *f, 1714192984Sthompsa struct usb_endpoint_descriptor *ed) 1715184610Salfred{ 1716193644Sthompsa struct usb_endpoint *ep; 1717184610Salfred 1718194677Sthompsa ep = usb_fifo_softc(f); 1719184610Salfred 1720193644Sthompsa if (ep && ep->edesc) { 1721193644Sthompsa *ed = *ep->edesc; 1722184610Salfred } else { 1723184610Salfred return (EINVAL); 1724184610Salfred } 1725184610Salfred return (0); 1726184610Salfred} 1727184610Salfred 1728184610Salfredstatic int 1729192984Sthompsaugen_set_power_mode(struct usb_fifo *f, int mode) 1730184610Salfred{ 1731192984Sthompsa struct usb_device *udev = f->udev; 1732184610Salfred int err; 1733187169Sthompsa uint8_t old_mode; 1734184610Salfred 1735184610Salfred if ((udev == NULL) || 1736184610Salfred (udev->parent_hub == NULL)) { 1737184610Salfred return (EINVAL); 1738184610Salfred } 1739189125Sthompsa err = priv_check(curthread, PRIV_DRIVER); 1740187169Sthompsa if (err) 1741184610Salfred return (err); 1742187169Sthompsa 1743187169Sthompsa /* get old power mode */ 1744187169Sthompsa old_mode = udev->power_mode; 1745187169Sthompsa 1746187169Sthompsa /* if no change, then just return */ 1747187169Sthompsa if (old_mode == mode) 1748187169Sthompsa return (0); 1749187169Sthompsa 1750184610Salfred switch (mode) { 1751184610Salfred case USB_POWER_MODE_OFF: 1752187164Sthompsa /* get the device unconfigured */ 1753187164Sthompsa err = ugen_set_config(f, USB_UNCONFIG_INDEX); 1754187164Sthompsa if (err) { 1755187164Sthompsa DPRINTFN(0, "Could not unconfigure " 1756187164Sthompsa "device (ignored)\n"); 1757187164Sthompsa } 1758184610Salfred 1759184610Salfred /* clear port enable */ 1760194228Sthompsa err = usbd_req_clear_port_feature(udev->parent_hub, 1761184610Salfred NULL, udev->port_no, UHF_PORT_ENABLE); 1762184610Salfred break; 1763184610Salfred 1764184610Salfred case USB_POWER_MODE_ON: 1765186730Salfred case USB_POWER_MODE_SAVE: 1766186730Salfred break; 1767184610Salfred 1768184610Salfred case USB_POWER_MODE_RESUME: 1769208008Sthompsa#if USB_HAVE_POWERD 1770208008Sthompsa /* let USB-powerd handle resume */ 1771208008Sthompsa USB_BUS_LOCK(udev->bus); 1772208008Sthompsa udev->pwr_save.write_refs++; 1773208008Sthompsa udev->pwr_save.last_xfer_time = ticks; 1774208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1775208008Sthompsa 1776208008Sthompsa /* set new power mode */ 1777208008Sthompsa usbd_set_power_mode(udev, USB_POWER_MODE_SAVE); 1778208008Sthompsa 1779208008Sthompsa /* wait for resume to complete */ 1780208008Sthompsa usb_pause_mtx(NULL, hz / 4); 1781208008Sthompsa 1782208008Sthompsa /* clear write reference */ 1783208008Sthompsa USB_BUS_LOCK(udev->bus); 1784208008Sthompsa udev->pwr_save.write_refs--; 1785208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1786208008Sthompsa#endif 1787186730Salfred mode = USB_POWER_MODE_SAVE; 1788184610Salfred break; 1789184610Salfred 1790184610Salfred case USB_POWER_MODE_SUSPEND: 1791208008Sthompsa#if USB_HAVE_POWERD 1792208008Sthompsa /* let USB-powerd handle suspend */ 1793208008Sthompsa USB_BUS_LOCK(udev->bus); 1794208008Sthompsa udev->pwr_save.last_xfer_time = ticks - (256 * hz); 1795208008Sthompsa USB_BUS_UNLOCK(udev->bus); 1796208008Sthompsa#endif 1797186730Salfred mode = USB_POWER_MODE_SAVE; 1798184610Salfred break; 1799186730Salfred 1800184610Salfred default: 1801184610Salfred return (EINVAL); 1802184610Salfred } 1803184610Salfred 1804184610Salfred if (err) 1805184610Salfred return (ENXIO); /* I/O failure */ 1806184610Salfred 1807187169Sthompsa /* if we are powered off we need to re-enumerate first */ 1808187169Sthompsa if (old_mode == USB_POWER_MODE_OFF) { 1809213432Shselasky if (udev->flags.usb_mode == USB_MODE_HOST) { 1810213432Shselasky if (udev->re_enumerate_wait == 0) 1811213432Shselasky udev->re_enumerate_wait = 1; 1812213432Shselasky } 1813213432Shselasky /* set power mode will wake up the explore thread */ 1814187169Sthompsa } 1815187169Sthompsa 1816186730Salfred /* set new power mode */ 1817194228Sthompsa usbd_set_power_mode(udev, mode); 1818184610Salfred 1819184610Salfred return (0); /* success */ 1820184610Salfred} 1821184610Salfred 1822184610Salfredstatic int 1823192984Sthompsaugen_get_power_mode(struct usb_fifo *f) 1824184610Salfred{ 1825192984Sthompsa struct usb_device *udev = f->udev; 1826184610Salfred 1827212135Sthompsa if (udev == NULL) 1828184610Salfred return (USB_POWER_MODE_ON); 1829212135Sthompsa 1830184610Salfred return (udev->power_mode); 1831184610Salfred} 1832184610Salfred 1833184610Salfredstatic int 1834247475Shselaskyugen_get_power_usage(struct usb_fifo *f) 1835247475Shselasky{ 1836247475Shselasky struct usb_device *udev = f->udev; 1837247475Shselasky 1838247475Shselasky if (udev == NULL) 1839247475Shselasky return (0); 1840247475Shselasky 1841247475Shselasky return (udev->power); 1842247475Shselasky} 1843247475Shselasky 1844247475Shselaskystatic int 1845192984Sthompsaugen_do_port_feature(struct usb_fifo *f, uint8_t port_no, 1846184610Salfred uint8_t set, uint16_t feature) 1847184610Salfred{ 1848192984Sthompsa struct usb_device *udev = f->udev; 1849192984Sthompsa struct usb_hub *hub; 1850184610Salfred int err; 1851184610Salfred 1852189125Sthompsa err = priv_check(curthread, PRIV_DRIVER); 1853184610Salfred if (err) { 1854184610Salfred return (err); 1855184610Salfred } 1856184610Salfred if (port_no == 0) { 1857184610Salfred return (EINVAL); 1858184610Salfred } 1859184610Salfred if ((udev == NULL) || 1860184610Salfred (udev->hub == NULL)) { 1861184610Salfred return (EINVAL); 1862184610Salfred } 1863184610Salfred hub = udev->hub; 1864184610Salfred 1865184610Salfred if (port_no > hub->nports) { 1866184610Salfred return (EINVAL); 1867184610Salfred } 1868184610Salfred if (set) 1869194228Sthompsa err = usbd_req_set_port_feature(udev, 1870184610Salfred NULL, port_no, feature); 1871184610Salfred else 1872194228Sthompsa err = usbd_req_clear_port_feature(udev, 1873184610Salfred NULL, port_no, feature); 1874184610Salfred 1875184610Salfred if (err) 1876184610Salfred return (ENXIO); /* failure */ 1877184610Salfred 1878184610Salfred return (0); /* success */ 1879184610Salfred} 1880184610Salfred 1881184610Salfredstatic int 1882192984Sthompsaugen_iface_ioctl(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 1883184610Salfred{ 1884192984Sthompsa struct usb_fifo *f_rx; 1885192984Sthompsa struct usb_fifo *f_tx; 1886184610Salfred int error = 0; 1887184610Salfred 1888184610Salfred f_rx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_RX]; 1889184610Salfred f_tx = f->udev->fifo[(f->fifo_index & ~1) + USB_FIFO_TX]; 1890184610Salfred 1891184610Salfred switch (cmd) { 1892184610Salfred case USB_SET_RX_SHORT_XFER: 1893184610Salfred if (fflags & FREAD) { 1894184610Salfred error = ugen_set_short_xfer(f_rx, addr); 1895184610Salfred } else { 1896184610Salfred error = EINVAL; 1897184610Salfred } 1898184610Salfred break; 1899184610Salfred 1900184610Salfred case USB_SET_TX_FORCE_SHORT: 1901184610Salfred if (fflags & FWRITE) { 1902184610Salfred error = ugen_set_short_xfer(f_tx, addr); 1903184610Salfred } else { 1904184610Salfred error = EINVAL; 1905184610Salfred } 1906184610Salfred break; 1907184610Salfred 1908184610Salfred case USB_SET_RX_TIMEOUT: 1909184610Salfred if (fflags & FREAD) { 1910184610Salfred error = ugen_set_timeout(f_rx, addr); 1911184610Salfred } else { 1912184610Salfred error = EINVAL; 1913184610Salfred } 1914184610Salfred break; 1915184610Salfred 1916184610Salfred case USB_SET_TX_TIMEOUT: 1917184610Salfred if (fflags & FWRITE) { 1918184610Salfred error = ugen_set_timeout(f_tx, addr); 1919184610Salfred } else { 1920184610Salfred error = EINVAL; 1921184610Salfred } 1922184610Salfred break; 1923184610Salfred 1924184610Salfred case USB_GET_RX_FRAME_SIZE: 1925184610Salfred if (fflags & FREAD) { 1926184610Salfred error = ugen_get_frame_size(f_rx, addr); 1927184610Salfred } else { 1928184610Salfred error = EINVAL; 1929184610Salfred } 1930184610Salfred break; 1931184610Salfred 1932184610Salfred case USB_GET_TX_FRAME_SIZE: 1933184610Salfred if (fflags & FWRITE) { 1934184610Salfred error = ugen_get_frame_size(f_tx, addr); 1935184610Salfred } else { 1936184610Salfred error = EINVAL; 1937184610Salfred } 1938184610Salfred break; 1939184610Salfred 1940184610Salfred case USB_SET_RX_BUFFER_SIZE: 1941184610Salfred if (fflags & FREAD) { 1942184610Salfred error = ugen_set_buffer_size(f_rx, addr); 1943184610Salfred } else { 1944184610Salfred error = EINVAL; 1945184610Salfred } 1946184610Salfred break; 1947184610Salfred 1948184610Salfred case USB_SET_TX_BUFFER_SIZE: 1949184610Salfred if (fflags & FWRITE) { 1950184610Salfred error = ugen_set_buffer_size(f_tx, addr); 1951184610Salfred } else { 1952184610Salfred error = EINVAL; 1953184610Salfred } 1954184610Salfred break; 1955184610Salfred 1956184610Salfred case USB_GET_RX_BUFFER_SIZE: 1957184610Salfred if (fflags & FREAD) { 1958184610Salfred error = ugen_get_buffer_size(f_rx, addr); 1959184610Salfred } else { 1960184610Salfred error = EINVAL; 1961184610Salfred } 1962184610Salfred break; 1963184610Salfred 1964184610Salfred case USB_GET_TX_BUFFER_SIZE: 1965184610Salfred if (fflags & FWRITE) { 1966184610Salfred error = ugen_get_buffer_size(f_tx, addr); 1967184610Salfred } else { 1968184610Salfred error = EINVAL; 1969184610Salfred } 1970184610Salfred break; 1971184610Salfred 1972184610Salfred case USB_GET_RX_INTERFACE_DESC: 1973184610Salfred if (fflags & FREAD) { 1974184610Salfred error = ugen_get_iface_desc(f_rx, addr); 1975184610Salfred } else { 1976184610Salfred error = EINVAL; 1977184610Salfred } 1978184610Salfred break; 1979184610Salfred 1980184610Salfred case USB_GET_TX_INTERFACE_DESC: 1981184610Salfred if (fflags & FWRITE) { 1982184610Salfred error = ugen_get_iface_desc(f_tx, addr); 1983184610Salfred } else { 1984184610Salfred error = EINVAL; 1985184610Salfred } 1986184610Salfred break; 1987184610Salfred 1988184610Salfred case USB_GET_RX_ENDPOINT_DESC: 1989184610Salfred if (fflags & FREAD) { 1990184610Salfred error = ugen_get_endpoint_desc(f_rx, addr); 1991184610Salfred } else { 1992184610Salfred error = EINVAL; 1993184610Salfred } 1994184610Salfred break; 1995184610Salfred 1996184610Salfred case USB_GET_TX_ENDPOINT_DESC: 1997184610Salfred if (fflags & FWRITE) { 1998184610Salfred error = ugen_get_endpoint_desc(f_tx, addr); 1999184610Salfred } else { 2000184610Salfred error = EINVAL; 2001184610Salfred } 2002184610Salfred break; 2003184610Salfred 2004184610Salfred case USB_SET_RX_STALL_FLAG: 2005184610Salfred if ((fflags & FREAD) && (*(int *)addr)) { 2006184610Salfred f_rx->flag_stall = 1; 2007184610Salfred } 2008184610Salfred break; 2009184610Salfred 2010184610Salfred case USB_SET_TX_STALL_FLAG: 2011184610Salfred if ((fflags & FWRITE) && (*(int *)addr)) { 2012184610Salfred f_tx->flag_stall = 1; 2013184610Salfred } 2014184610Salfred break; 2015184610Salfred 2016184610Salfred default: 2017185087Salfred error = ENOIOCTL; 2018184610Salfred break; 2019184610Salfred } 2020184610Salfred return (error); 2021184610Salfred} 2022184610Salfred 2023184610Salfredstatic int 2024192984Sthompsaugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags) 2025184610Salfred{ 2026184610Salfred union { 2027192984Sthompsa struct usb_interface_descriptor *idesc; 2028192984Sthompsa struct usb_alt_interface *ai; 2029192984Sthompsa struct usb_device_descriptor *ddesc; 2030192984Sthompsa struct usb_config_descriptor *cdesc; 2031192984Sthompsa struct usb_device_stats *stat; 2032192984Sthompsa struct usb_fs_init *pinit; 2033192984Sthompsa struct usb_fs_uninit *puninit; 2034184610Salfred uint32_t *ptime; 2035184610Salfred void *addr; 2036184610Salfred int *pint; 2037184610Salfred } u; 2038192984Sthompsa struct usb_device_descriptor *dtemp; 2039192984Sthompsa struct usb_config_descriptor *ctemp; 2040192984Sthompsa struct usb_interface *iface; 2041184610Salfred int error = 0; 2042184610Salfred uint8_t n; 2043184610Salfred 2044184610Salfred u.addr = addr; 2045184610Salfred 2046185087Salfred DPRINTFN(6, "cmd=0x%08lx\n", cmd); 2047185087Salfred 2048184610Salfred switch (cmd) { 2049184610Salfred case USB_DISCOVER: 2050194228Sthompsa usb_needs_explore_all(); 2051184610Salfred break; 2052184610Salfred 2053184610Salfred case USB_SETDEBUG: 2054184610Salfred if (!(fflags & FWRITE)) { 2055184610Salfred error = EPERM; 2056184610Salfred break; 2057184610Salfred } 2058194228Sthompsa usb_debug = *(int *)addr; 2059184610Salfred break; 2060184610Salfred 2061184610Salfred case USB_GET_CONFIG: 2062184610Salfred *(int *)addr = f->udev->curr_config_index; 2063184610Salfred break; 2064184610Salfred 2065184610Salfred case USB_SET_CONFIG: 2066184610Salfred if (!(fflags & FWRITE)) { 2067184610Salfred error = EPERM; 2068184610Salfred break; 2069184610Salfred } 2070184610Salfred error = ugen_set_config(f, *(int *)addr); 2071184610Salfred break; 2072184610Salfred 2073184610Salfred case USB_GET_ALTINTERFACE: 2074194228Sthompsa iface = usbd_get_iface(f->udev, 2075184610Salfred u.ai->uai_interface_index); 2076184610Salfred if (iface && iface->idesc) { 2077184610Salfred u.ai->uai_alt_index = iface->alt_index; 2078184610Salfred } else { 2079184610Salfred error = EINVAL; 2080184610Salfred } 2081184610Salfred break; 2082184610Salfred 2083184610Salfred case USB_SET_ALTINTERFACE: 2084184610Salfred if (!(fflags & FWRITE)) { 2085184610Salfred error = EPERM; 2086184610Salfred break; 2087184610Salfred } 2088184610Salfred error = ugen_set_interface(f, 2089184610Salfred u.ai->uai_interface_index, u.ai->uai_alt_index); 2090184610Salfred break; 2091184610Salfred 2092184610Salfred case USB_GET_DEVICE_DESC: 2093194228Sthompsa dtemp = usbd_get_device_descriptor(f->udev); 2094184610Salfred if (!dtemp) { 2095184610Salfred error = EIO; 2096184610Salfred break; 2097184610Salfred } 2098184610Salfred *u.ddesc = *dtemp; 2099184610Salfred break; 2100184610Salfred 2101184610Salfred case USB_GET_CONFIG_DESC: 2102194228Sthompsa ctemp = usbd_get_config_descriptor(f->udev); 2103184610Salfred if (!ctemp) { 2104184610Salfred error = EIO; 2105184610Salfred break; 2106184610Salfred } 2107184610Salfred *u.cdesc = *ctemp; 2108184610Salfred break; 2109184610Salfred 2110184610Salfred case USB_GET_FULL_DESC: 2111184610Salfred error = ugen_get_cdesc(f, addr); 2112184610Salfred break; 2113184610Salfred 2114184610Salfred case USB_GET_STRING_DESC: 2115184610Salfred error = ugen_get_sdesc(f, addr); 2116184610Salfred break; 2117184610Salfred 2118188622Sthompsa case USB_GET_IFACE_DRIVER: 2119188622Sthompsa error = ugen_get_iface_driver(f, addr); 2120188622Sthompsa break; 2121188622Sthompsa 2122184610Salfred case USB_REQUEST: 2123184610Salfred case USB_DO_REQUEST: 2124184610Salfred if (!(fflags & FWRITE)) { 2125184610Salfred error = EPERM; 2126184610Salfred break; 2127184610Salfred } 2128184610Salfred error = ugen_do_request(f, addr); 2129184610Salfred break; 2130184610Salfred 2131184610Salfred case USB_DEVICEINFO: 2132184610Salfred case USB_GET_DEVICEINFO: 2133194228Sthompsa error = usb_gen_fill_deviceinfo(f, addr); 2134184610Salfred break; 2135184610Salfred 2136184610Salfred case USB_DEVICESTATS: 2137184610Salfred for (n = 0; n != 4; n++) { 2138184610Salfred 2139184610Salfred u.stat->uds_requests_fail[n] = 2140184610Salfred f->udev->bus->stats_err.uds_requests[n]; 2141184610Salfred 2142184610Salfred u.stat->uds_requests_ok[n] = 2143184610Salfred f->udev->bus->stats_ok.uds_requests[n]; 2144184610Salfred } 2145184610Salfred break; 2146184610Salfred 2147184610Salfred case USB_DEVICEENUMERATE: 2148184610Salfred error = ugen_re_enumerate(f); 2149184610Salfred break; 2150184610Salfred 2151184610Salfred case USB_GET_PLUGTIME: 2152184610Salfred *u.ptime = f->udev->plugtime; 2153184610Salfred break; 2154184610Salfred 2155184610Salfred case USB_CLAIM_INTERFACE: 2156184610Salfred case USB_RELEASE_INTERFACE: 2157184610Salfred /* TODO */ 2158184610Salfred break; 2159184610Salfred 2160184610Salfred case USB_IFACE_DRIVER_ACTIVE: 2161205036Sthompsa 2162205036Sthompsa n = *u.pint & 0xFF; 2163205036Sthompsa 2164205036Sthompsa iface = usbd_get_iface(f->udev, n); 2165205036Sthompsa 2166205036Sthompsa if (iface && iface->subdev) 2167205036Sthompsa error = 0; 2168205036Sthompsa else 2169205036Sthompsa error = ENXIO; 2170184610Salfred break; 2171184610Salfred 2172184610Salfred case USB_IFACE_DRIVER_DETACH: 2173205036Sthompsa 2174184610Salfred error = priv_check(curthread, PRIV_DRIVER); 2175205036Sthompsa 2176205036Sthompsa if (error) 2177184610Salfred break; 2178205036Sthompsa 2179205036Sthompsa n = *u.pint & 0xFF; 2180205036Sthompsa 2181205036Sthompsa if (n == USB_IFACE_INDEX_ANY) { 2182205036Sthompsa error = EINVAL; 2183205036Sthompsa break; 2184184610Salfred } 2185205036Sthompsa 2186236895Shselasky /* 2187236895Shselasky * Detach the currently attached driver. 2188236895Shselasky */ 2189205036Sthompsa usb_detach_device(f->udev, n, 0); 2190236895Shselasky 2191236895Shselasky /* 2192236895Shselasky * Set parent to self, this should keep attach away 2193236895Shselasky * until the next set configuration event. 2194236895Shselasky */ 2195236895Shselasky usbd_set_parent_iface(f->udev, n, n); 2196184610Salfred break; 2197184610Salfred 2198184610Salfred case USB_SET_POWER_MODE: 2199184610Salfred error = ugen_set_power_mode(f, *u.pint); 2200184610Salfred break; 2201184610Salfred 2202184610Salfred case USB_GET_POWER_MODE: 2203184610Salfred *u.pint = ugen_get_power_mode(f); 2204184610Salfred break; 2205184610Salfred 2206247475Shselasky case USB_GET_POWER_USAGE: 2207247475Shselasky *u.pint = ugen_get_power_usage(f); 2208247475Shselasky break; 2209247475Shselasky 2210184610Salfred case USB_SET_PORT_ENABLE: 2211184610Salfred error = ugen_do_port_feature(f, 2212184610Salfred *u.pint, 1, UHF_PORT_ENABLE); 2213184610Salfred break; 2214184610Salfred 2215184610Salfred case USB_SET_PORT_DISABLE: 2216184610Salfred error = ugen_do_port_feature(f, 2217184610Salfred *u.pint, 0, UHF_PORT_ENABLE); 2218184610Salfred break; 2219184610Salfred 2220185087Salfred case USB_FS_INIT: 2221185087Salfred /* verify input parameters */ 2222185087Salfred if (u.pinit->pEndpoints == NULL) { 2223185087Salfred error = EINVAL; 2224185087Salfred break; 2225185087Salfred } 2226185087Salfred if (u.pinit->ep_index_max > 127) { 2227185087Salfred error = EINVAL; 2228185087Salfred break; 2229185087Salfred } 2230185087Salfred if (u.pinit->ep_index_max == 0) { 2231185087Salfred error = EINVAL; 2232185087Salfred break; 2233185087Salfred } 2234185087Salfred if (f->fs_xfer != NULL) { 2235185087Salfred error = EBUSY; 2236185087Salfred break; 2237185087Salfred } 2238185087Salfred if (f->dev_ep_index != 0) { 2239185087Salfred error = EINVAL; 2240185087Salfred break; 2241185087Salfred } 2242185087Salfred if (ugen_fifo_in_use(f, fflags)) { 2243185087Salfred error = EBUSY; 2244185087Salfred break; 2245185087Salfred } 2246194228Sthompsa error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max); 2247185087Salfred if (error) { 2248185087Salfred break; 2249185087Salfred } 2250185087Salfred f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) * 2251185087Salfred u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO); 2252185087Salfred if (f->fs_xfer == NULL) { 2253194228Sthompsa usb_fifo_free_buffer(f); 2254185087Salfred error = ENOMEM; 2255185087Salfred break; 2256185087Salfred } 2257185087Salfred f->fs_ep_max = u.pinit->ep_index_max; 2258185087Salfred f->fs_ep_ptr = u.pinit->pEndpoints; 2259184610Salfred break; 2260184610Salfred 2261185087Salfred case USB_FS_UNINIT: 2262185087Salfred if (u.puninit->dummy != 0) { 2263185087Salfred error = EINVAL; 2264185087Salfred break; 2265185087Salfred } 2266185087Salfred error = ugen_fs_uninit(f); 2267185087Salfred break; 2268184610Salfred 2269185087Salfred default: 2270185087Salfred mtx_lock(f->priv_mtx); 2271185087Salfred error = ugen_iface_ioctl(f, cmd, addr, fflags); 2272185087Salfred mtx_unlock(f->priv_mtx); 2273185087Salfred break; 2274184610Salfred } 2275184610Salfred DPRINTFN(6, "error=%d\n", error); 2276184610Salfred return (error); 2277184610Salfred} 2278184610Salfred 2279184610Salfredstatic void 2280207080Sthompsaugen_ctrl_fs_callback(struct usb_xfer *xfer, usb_error_t error) 2281184610Salfred{ 2282184610Salfred ; /* workaround for a bug in "indent" */ 2283184610Salfred 2284184610Salfred DPRINTF("st=%u alen=%u aframes=%u\n", 2285184610Salfred USB_GET_STATE(xfer), xfer->actlen, xfer->aframes); 2286184610Salfred 2287184610Salfred switch (USB_GET_STATE(xfer)) { 2288184610Salfred case USB_ST_SETUP: 2289194228Sthompsa usbd_transfer_submit(xfer); 2290184610Salfred break; 2291184610Salfred default: 2292184610Salfred ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo)); 2293184610Salfred break; 2294184610Salfred } 2295184610Salfred} 2296190191Sthompsa#endif /* USB_HAVE_UGEN */ 2297