Lines Matching refs:acm
59 static struct acm *acm_table[ACM_TTY_MINORS];
74 static struct acm *acm_get_by_index(unsigned index) in acm_get_by_index()
76 struct acm *acm; in acm_get_by_index() local
79 acm = acm_table[index]; in acm_get_by_index()
80 if (acm) { in acm_get_by_index()
81 mutex_lock(&acm->mutex); in acm_get_by_index()
82 if (acm->disconnected) { in acm_get_by_index()
83 mutex_unlock(&acm->mutex); in acm_get_by_index()
84 acm = NULL; in acm_get_by_index()
86 tty_port_get(&acm->port); in acm_get_by_index()
87 mutex_unlock(&acm->mutex); in acm_get_by_index()
91 return acm; in acm_get_by_index()
97 static int acm_alloc_minor(struct acm *acm) in acm_alloc_minor() argument
104 acm_table[minor] = acm; in acm_alloc_minor()
114 static void acm_release_minor(struct acm *acm) in acm_release_minor() argument
117 acm_table[acm->minor] = NULL; in acm_release_minor()
125 static int acm_ctrl_msg(struct acm *acm, int request, int value, in acm_ctrl_msg() argument
130 retval = usb_autopm_get_interface(acm->control); in acm_ctrl_msg()
134 retval = usb_control_msg(acm->dev, usb_sndctrlpipe(acm->dev, 0), in acm_ctrl_msg()
136 acm->control->altsetting[0].desc.bInterfaceNumber, in acm_ctrl_msg()
139 dev_dbg(&acm->control->dev, in acm_ctrl_msg()
143 usb_autopm_put_interface(acm->control); in acm_ctrl_msg()
151 static inline int acm_set_control(struct acm *acm, int control) in acm_set_control() argument
153 if (acm->quirks & QUIRK_CONTROL_LINE_STATE) in acm_set_control()
156 return acm_ctrl_msg(acm, USB_CDC_REQ_SET_CONTROL_LINE_STATE, in acm_set_control()
160 #define acm_set_line(acm, line) \ argument
161 acm_ctrl_msg(acm, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line))
162 #define acm_send_break(acm, ms) \ argument
163 acm_ctrl_msg(acm, USB_CDC_REQ_SEND_BREAK, ms, NULL, 0)
170 static int acm_wb_alloc(struct acm *acm) in acm_wb_alloc() argument
178 wb = &acm->wb[wbn]; in acm_wb_alloc()
189 static int acm_wb_is_avail(struct acm *acm) in acm_wb_is_avail() argument
195 spin_lock_irqsave(&acm->write_lock, flags); in acm_wb_is_avail()
197 n -= acm->wb[i].use; in acm_wb_is_avail()
198 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_wb_is_avail()
205 static void acm_write_done(struct acm *acm, struct acm_wb *wb) in acm_write_done() argument
208 acm->transmitting--; in acm_write_done()
209 usb_autopm_put_interface_async(acm->control); in acm_write_done()
218 static int acm_start_wb(struct acm *acm, struct acm_wb *wb) in acm_start_wb() argument
222 acm->transmitting++; in acm_start_wb()
227 wb->urb->dev = acm->dev; in acm_start_wb()
231 dev_err(&acm->data->dev, in acm_start_wb()
234 acm_write_done(acm, wb); in acm_start_wb()
246 struct acm *acm = usb_get_intfdata(intf); in show_caps() local
248 return sprintf(buf, "%d", acm->ctrl_caps); in show_caps()
256 struct acm *acm = usb_get_intfdata(intf); in show_country_codes() local
258 memcpy(buf, acm->country_codes, acm->country_code_size); in show_country_codes()
259 return acm->country_code_size; in show_country_codes()
268 struct acm *acm = usb_get_intfdata(intf); in show_country_rel_date() local
270 return sprintf(buf, "%d", acm->country_rel_date); in show_country_rel_date()
281 struct acm *acm = urb->context; in acm_ctrl_irq() local
297 dev_dbg(&acm->control->dev, in acm_ctrl_irq()
302 dev_dbg(&acm->control->dev, in acm_ctrl_irq()
308 usb_mark_last_busy(acm->dev); in acm_ctrl_irq()
313 dev_dbg(&acm->control->dev, "%s - network connection: %d\n", in acm_ctrl_irq()
320 if (!acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) { in acm_ctrl_irq()
321 dev_dbg(&acm->control->dev, "%s - calling hangup\n", in acm_ctrl_irq()
323 tty_port_tty_hangup(&acm->port, false); in acm_ctrl_irq()
326 difference = acm->ctrlin ^ newctrl; in acm_ctrl_irq()
327 spin_lock(&acm->read_lock); in acm_ctrl_irq()
328 acm->ctrlin = newctrl; in acm_ctrl_irq()
329 acm->oldcount = acm->iocount; in acm_ctrl_irq()
332 acm->iocount.dsr++; in acm_ctrl_irq()
334 acm->iocount.brk++; in acm_ctrl_irq()
336 acm->iocount.rng++; in acm_ctrl_irq()
338 acm->iocount.dcd++; in acm_ctrl_irq()
340 acm->iocount.frame++; in acm_ctrl_irq()
342 acm->iocount.parity++; in acm_ctrl_irq()
344 acm->iocount.overrun++; in acm_ctrl_irq()
345 spin_unlock(&acm->read_lock); in acm_ctrl_irq()
348 wake_up_all(&acm->wioctl); in acm_ctrl_irq()
353 dev_dbg(&acm->control->dev, in acm_ctrl_irq()
364 dev_err(&acm->control->dev, "%s - usb_submit_urb failed: %d\n", in acm_ctrl_irq()
368 static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags) in acm_submit_read_urb() argument
372 if (!test_and_clear_bit(index, &acm->read_urbs_free)) in acm_submit_read_urb()
375 dev_vdbg(&acm->data->dev, "%s - urb %d\n", __func__, index); in acm_submit_read_urb()
377 res = usb_submit_urb(acm->read_urbs[index], mem_flags); in acm_submit_read_urb()
380 dev_err(&acm->data->dev, in acm_submit_read_urb()
384 set_bit(index, &acm->read_urbs_free); in acm_submit_read_urb()
391 static int acm_submit_read_urbs(struct acm *acm, gfp_t mem_flags) in acm_submit_read_urbs() argument
396 for (i = 0; i < acm->rx_buflimit; ++i) { in acm_submit_read_urbs()
397 res = acm_submit_read_urb(acm, i, mem_flags); in acm_submit_read_urbs()
405 static void acm_process_read_urb(struct acm *acm, struct urb *urb) in acm_process_read_urb() argument
410 tty_insert_flip_string(&acm->port, urb->transfer_buffer, in acm_process_read_urb()
412 tty_flip_buffer_push(&acm->port); in acm_process_read_urb()
418 struct acm *acm = rb->instance; in acm_read_bulk_callback() local
422 dev_vdbg(&acm->data->dev, "%s - urb %d, len %d\n", __func__, in acm_read_bulk_callback()
425 if (!acm->dev) { in acm_read_bulk_callback()
426 set_bit(rb->index, &acm->read_urbs_free); in acm_read_bulk_callback()
427 dev_dbg(&acm->data->dev, "%s - disconnected\n", __func__); in acm_read_bulk_callback()
432 set_bit(rb->index, &acm->read_urbs_free); in acm_read_bulk_callback()
433 dev_dbg(&acm->data->dev, "%s - non-zero urb status: %d\n", in acm_read_bulk_callback()
439 usb_mark_last_busy(acm->dev); in acm_read_bulk_callback()
441 acm_process_read_urb(acm, urb); in acm_read_bulk_callback()
447 set_bit(rb->index, &acm->read_urbs_free); in acm_read_bulk_callback()
450 spin_lock_irqsave(&acm->read_lock, flags); in acm_read_bulk_callback()
451 acm->throttled = acm->throttle_req; in acm_read_bulk_callback()
452 if (!acm->throttled) { in acm_read_bulk_callback()
453 spin_unlock_irqrestore(&acm->read_lock, flags); in acm_read_bulk_callback()
454 acm_submit_read_urb(acm, rb->index, GFP_ATOMIC); in acm_read_bulk_callback()
456 spin_unlock_irqrestore(&acm->read_lock, flags); in acm_read_bulk_callback()
464 struct acm *acm = wb->instance; in acm_write_bulk() local
469 dev_vdbg(&acm->data->dev, "%s - len %d/%d, status %d\n", in acm_write_bulk()
475 spin_lock_irqsave(&acm->write_lock, flags); in acm_write_bulk()
476 acm_write_done(acm, wb); in acm_write_bulk()
477 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_write_bulk()
478 schedule_work(&acm->work); in acm_write_bulk()
483 struct acm *acm = container_of(work, struct acm, work); in acm_softint() local
485 dev_vdbg(&acm->data->dev, "%s\n", __func__); in acm_softint()
487 tty_port_tty_wakeup(&acm->port); in acm_softint()
496 struct acm *acm; in acm_tty_install() local
501 acm = acm_get_by_index(tty->index); in acm_tty_install()
502 if (!acm) in acm_tty_install()
509 tty->driver_data = acm; in acm_tty_install()
514 tty_port_put(&acm->port); in acm_tty_install()
520 struct acm *acm = tty->driver_data; in acm_tty_open() local
524 return tty_port_open(&acm->port, tty, filp); in acm_tty_open()
529 struct acm *acm = container_of(port, struct acm, port); in acm_port_dtr_rts() local
539 acm->ctrlout = val; in acm_port_dtr_rts()
541 res = acm_set_control(acm, val); in acm_port_dtr_rts()
542 if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE)) in acm_port_dtr_rts()
543 dev_err(&acm->control->dev, "failed to set dtr/rts\n"); in acm_port_dtr_rts()
548 struct acm *acm = container_of(port, struct acm, port); in acm_port_activate() local
552 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_port_activate()
554 mutex_lock(&acm->mutex); in acm_port_activate()
555 if (acm->disconnected) in acm_port_activate()
558 retval = usb_autopm_get_interface(acm->control); in acm_port_activate()
567 acm->control->needs_remote_wakeup = 1; in acm_port_activate()
569 acm->ctrlurb->dev = acm->dev; in acm_port_activate()
570 retval = usb_submit_urb(acm->ctrlurb, GFP_KERNEL); in acm_port_activate()
572 dev_err(&acm->control->dev, in acm_port_activate()
582 spin_lock_irq(&acm->read_lock); in acm_port_activate()
583 acm->throttled = 0; in acm_port_activate()
584 acm->throttle_req = 0; in acm_port_activate()
585 spin_unlock_irq(&acm->read_lock); in acm_port_activate()
587 retval = acm_submit_read_urbs(acm, GFP_KERNEL); in acm_port_activate()
591 usb_autopm_put_interface(acm->control); in acm_port_activate()
593 mutex_unlock(&acm->mutex); in acm_port_activate()
598 for (i = 0; i < acm->rx_buflimit; i++) in acm_port_activate()
599 usb_kill_urb(acm->read_urbs[i]); in acm_port_activate()
600 usb_kill_urb(acm->ctrlurb); in acm_port_activate()
602 usb_autopm_put_interface(acm->control); in acm_port_activate()
605 mutex_unlock(&acm->mutex); in acm_port_activate()
612 struct acm *acm = container_of(port, struct acm, port); in acm_port_destruct() local
614 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_port_destruct()
616 acm_release_minor(acm); in acm_port_destruct()
617 usb_put_intf(acm->control); in acm_port_destruct()
618 kfree(acm->country_codes); in acm_port_destruct()
619 kfree(acm); in acm_port_destruct()
624 struct acm *acm = container_of(port, struct acm, port); in acm_port_shutdown() local
629 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_port_shutdown()
635 spin_lock_irq(&acm->write_lock); in acm_port_shutdown()
636 spin_unlock_irq(&acm->write_lock); in acm_port_shutdown()
638 usb_autopm_get_interface_no_resume(acm->control); in acm_port_shutdown()
639 acm->control->needs_remote_wakeup = 0; in acm_port_shutdown()
640 usb_autopm_put_interface(acm->control); in acm_port_shutdown()
643 urb = usb_get_from_anchor(&acm->delayed); in acm_port_shutdown()
648 usb_autopm_put_interface_async(acm->control); in acm_port_shutdown()
651 usb_kill_urb(acm->ctrlurb); in acm_port_shutdown()
653 usb_kill_urb(acm->wb[i].urb); in acm_port_shutdown()
654 for (i = 0; i < acm->rx_buflimit; i++) in acm_port_shutdown()
655 usb_kill_urb(acm->read_urbs[i]); in acm_port_shutdown()
660 struct acm *acm = tty->driver_data; in acm_tty_cleanup() local
661 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_tty_cleanup()
662 tty_port_put(&acm->port); in acm_tty_cleanup()
667 struct acm *acm = tty->driver_data; in acm_tty_hangup() local
668 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_tty_hangup()
669 tty_port_hangup(&acm->port); in acm_tty_hangup()
674 struct acm *acm = tty->driver_data; in acm_tty_close() local
675 dev_dbg(&acm->control->dev, "%s\n", __func__); in acm_tty_close()
676 tty_port_close(&acm->port, tty, filp); in acm_tty_close()
682 struct acm *acm = tty->driver_data; in acm_tty_write() local
691 dev_vdbg(&acm->data->dev, "%s - count %d\n", __func__, count); in acm_tty_write()
693 spin_lock_irqsave(&acm->write_lock, flags); in acm_tty_write()
694 wbn = acm_wb_alloc(acm); in acm_tty_write()
696 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_tty_write()
699 wb = &acm->wb[wbn]; in acm_tty_write()
701 if (!acm->dev) { in acm_tty_write()
703 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_tty_write()
707 count = (count > acm->writesize) ? acm->writesize : count; in acm_tty_write()
708 dev_vdbg(&acm->data->dev, "%s - write %d\n", __func__, count); in acm_tty_write()
712 stat = usb_autopm_get_interface_async(acm->control); in acm_tty_write()
715 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_tty_write()
719 if (acm->susp_count) { in acm_tty_write()
720 usb_anchor_urb(wb->urb, &acm->delayed); in acm_tty_write()
721 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_tty_write()
725 stat = acm_start_wb(acm, wb); in acm_tty_write()
726 spin_unlock_irqrestore(&acm->write_lock, flags); in acm_tty_write()
735 struct acm *acm = tty->driver_data; in acm_tty_write_room() local
740 return acm_wb_is_avail(acm) ? acm->writesize : 0; in acm_tty_write_room()
745 struct acm *acm = tty->driver_data; in acm_tty_chars_in_buffer() local
750 if (acm->disconnected) in acm_tty_chars_in_buffer()
755 return (ACM_NW - acm_wb_is_avail(acm)) * acm->writesize; in acm_tty_chars_in_buffer()
760 struct acm *acm = tty->driver_data; in acm_tty_throttle() local
762 spin_lock_irq(&acm->read_lock); in acm_tty_throttle()
763 acm->throttle_req = 1; in acm_tty_throttle()
764 spin_unlock_irq(&acm->read_lock); in acm_tty_throttle()
769 struct acm *acm = tty->driver_data; in acm_tty_unthrottle() local
772 spin_lock_irq(&acm->read_lock); in acm_tty_unthrottle()
773 was_throttled = acm->throttled; in acm_tty_unthrottle()
774 acm->throttled = 0; in acm_tty_unthrottle()
775 acm->throttle_req = 0; in acm_tty_unthrottle()
776 spin_unlock_irq(&acm->read_lock); in acm_tty_unthrottle()
779 acm_submit_read_urbs(acm, GFP_KERNEL); in acm_tty_unthrottle()
784 struct acm *acm = tty->driver_data; in acm_tty_break_ctl() local
787 retval = acm_send_break(acm, state ? 0xffff : 0); in acm_tty_break_ctl()
789 dev_dbg(&acm->control->dev, "%s - send break failed\n", in acm_tty_break_ctl()
796 struct acm *acm = tty->driver_data; in acm_tty_tiocmget() local
798 return (acm->ctrlout & ACM_CTRL_DTR ? TIOCM_DTR : 0) | in acm_tty_tiocmget()
799 (acm->ctrlout & ACM_CTRL_RTS ? TIOCM_RTS : 0) | in acm_tty_tiocmget()
800 (acm->ctrlin & ACM_CTRL_DSR ? TIOCM_DSR : 0) | in acm_tty_tiocmget()
801 (acm->ctrlin & ACM_CTRL_RI ? TIOCM_RI : 0) | in acm_tty_tiocmget()
802 (acm->ctrlin & ACM_CTRL_DCD ? TIOCM_CD : 0) | in acm_tty_tiocmget()
809 struct acm *acm = tty->driver_data; in acm_tty_tiocmset() local
812 newctrl = acm->ctrlout; in acm_tty_tiocmset()
820 if (acm->ctrlout == newctrl) in acm_tty_tiocmset()
822 return acm_set_control(acm, acm->ctrlout = newctrl); in acm_tty_tiocmset()
825 static int get_serial_info(struct acm *acm, struct serial_struct __user *info) in get_serial_info() argument
834 tmp.xmit_fifo_size = acm->writesize; in get_serial_info()
835 tmp.baud_base = le32_to_cpu(acm->line.dwDTERate); in get_serial_info()
836 tmp.close_delay = acm->port.close_delay / 10; in get_serial_info()
837 tmp.closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ? in get_serial_info()
839 acm->port.closing_wait / 10; in get_serial_info()
847 static int set_serial_info(struct acm *acm, in set_serial_info() argument
861 mutex_lock(&acm->port.mutex); in set_serial_info()
864 if ((close_delay != acm->port.close_delay) || in set_serial_info()
865 (closing_wait != acm->port.closing_wait)) in set_serial_info()
870 acm->port.close_delay = close_delay; in set_serial_info()
871 acm->port.closing_wait = closing_wait; in set_serial_info()
874 mutex_unlock(&acm->port.mutex); in set_serial_info()
878 static int wait_serial_change(struct acm *acm, unsigned long arg) in wait_serial_change() argument
887 spin_lock_irq(&acm->read_lock); in wait_serial_change()
888 old = acm->oldcount; in wait_serial_change()
889 new = acm->iocount; in wait_serial_change()
890 acm->oldcount = new; in wait_serial_change()
891 spin_unlock_irq(&acm->read_lock); in wait_serial_change()
903 add_wait_queue(&acm->wioctl, &wait); in wait_serial_change()
906 remove_wait_queue(&acm->wioctl, &wait); in wait_serial_change()
907 if (acm->disconnected) { in wait_serial_change()
923 static int get_serial_usage(struct acm *acm, in get_serial_usage() argument
930 icount.dsr = acm->iocount.dsr; in get_serial_usage()
931 icount.rng = acm->iocount.rng; in get_serial_usage()
932 icount.dcd = acm->iocount.dcd; in get_serial_usage()
933 icount.frame = acm->iocount.frame; in get_serial_usage()
934 icount.overrun = acm->iocount.overrun; in get_serial_usage()
935 icount.parity = acm->iocount.parity; in get_serial_usage()
936 icount.brk = acm->iocount.brk; in get_serial_usage()
947 struct acm *acm = tty->driver_data; in acm_tty_ioctl() local
952 rv = get_serial_info(acm, (struct serial_struct __user *) arg); in acm_tty_ioctl()
955 rv = set_serial_info(acm, (struct serial_struct __user *) arg); in acm_tty_ioctl()
958 rv = usb_autopm_get_interface(acm->control); in acm_tty_ioctl()
963 rv = wait_serial_change(acm, arg); in acm_tty_ioctl()
964 usb_autopm_put_interface(acm->control); in acm_tty_ioctl()
967 rv = get_serial_usage(acm, (struct serial_icounter_struct __user *) arg); in acm_tty_ioctl()
977 struct acm *acm = tty->driver_data; in acm_tty_set_termios() local
980 int newctrl = acm->ctrlout; in acm_tty_set_termios()
1003 acm->clocal = ((termios->c_cflag & CLOCAL) != 0); in acm_tty_set_termios()
1006 newline.dwDTERate = acm->line.dwDTERate; in acm_tty_set_termios()
1012 if (newctrl != acm->ctrlout) in acm_tty_set_termios()
1013 acm_set_control(acm, acm->ctrlout = newctrl); in acm_tty_set_termios()
1015 if (memcmp(&acm->line, &newline, sizeof newline)) { in acm_tty_set_termios()
1016 memcpy(&acm->line, &newline, sizeof newline); in acm_tty_set_termios()
1017 dev_dbg(&acm->control->dev, "%s - set line: %d %d %d %d\n", in acm_tty_set_termios()
1022 acm_set_line(acm, &acm->line); in acm_tty_set_termios()
1038 static void acm_write_buffers_free(struct acm *acm) in acm_write_buffers_free() argument
1042 struct usb_device *usb_dev = interface_to_usbdev(acm->control); in acm_write_buffers_free()
1044 for (wb = &acm->wb[0], i = 0; i < ACM_NW; i++, wb++) in acm_write_buffers_free()
1045 usb_free_coherent(usb_dev, acm->writesize, wb->buf, wb->dmah); in acm_write_buffers_free()
1048 static void acm_read_buffers_free(struct acm *acm) in acm_read_buffers_free() argument
1050 struct usb_device *usb_dev = interface_to_usbdev(acm->control); in acm_read_buffers_free()
1053 for (i = 0; i < acm->rx_buflimit; i++) in acm_read_buffers_free()
1054 usb_free_coherent(usb_dev, acm->readsize, in acm_read_buffers_free()
1055 acm->read_buffers[i].base, acm->read_buffers[i].dma); in acm_read_buffers_free()
1059 static int acm_write_buffers_alloc(struct acm *acm) in acm_write_buffers_alloc() argument
1064 for (wb = &acm->wb[0], i = 0; i < ACM_NW; i++, wb++) { in acm_write_buffers_alloc()
1065 wb->buf = usb_alloc_coherent(acm->dev, acm->writesize, GFP_KERNEL, in acm_write_buffers_alloc()
1071 usb_free_coherent(acm->dev, acm->writesize, in acm_write_buffers_alloc()
1093 struct acm *acm; in acm_probe() local
1318 acm = kzalloc(sizeof(struct acm), GFP_KERNEL); in acm_probe()
1319 if (acm == NULL) in acm_probe()
1322 minor = acm_alloc_minor(acm); in acm_probe()
1325 kfree(acm); in acm_probe()
1332 acm->combined_interfaces = combined_interfaces; in acm_probe()
1333 acm->writesize = usb_endpoint_maxp(epwrite) * 20; in acm_probe()
1334 acm->control = control_interface; in acm_probe()
1335 acm->data = data_interface; in acm_probe()
1336 acm->minor = minor; in acm_probe()
1337 acm->dev = usb_dev; in acm_probe()
1338 acm->ctrl_caps = ac_management_function; in acm_probe()
1340 acm->ctrl_caps &= ~USB_CDC_CAP_LINE; in acm_probe()
1341 acm->ctrlsize = ctrlsize; in acm_probe()
1342 acm->readsize = readsize; in acm_probe()
1343 acm->rx_buflimit = num_rx_buf; in acm_probe()
1344 INIT_WORK(&acm->work, acm_softint); in acm_probe()
1345 init_waitqueue_head(&acm->wioctl); in acm_probe()
1346 spin_lock_init(&acm->write_lock); in acm_probe()
1347 spin_lock_init(&acm->read_lock); in acm_probe()
1348 mutex_init(&acm->mutex); in acm_probe()
1349 acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress); in acm_probe()
1350 acm->is_int_ep = usb_endpoint_xfer_int(epread); in acm_probe()
1351 if (acm->is_int_ep) in acm_probe()
1352 acm->bInterval = epread->bInterval; in acm_probe()
1353 tty_port_init(&acm->port); in acm_probe()
1354 acm->port.ops = &acm_port_ops; in acm_probe()
1355 init_usb_anchor(&acm->delayed); in acm_probe()
1356 acm->quirks = quirks; in acm_probe()
1358 buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma); in acm_probe()
1361 acm->ctrl_buffer = buf; in acm_probe()
1363 if (acm_write_buffers_alloc(acm) < 0) in acm_probe()
1366 acm->ctrlurb = usb_alloc_urb(0, GFP_KERNEL); in acm_probe()
1367 if (!acm->ctrlurb) in acm_probe()
1371 struct acm_rb *rb = &(acm->read_buffers[i]); in acm_probe()
1374 rb->base = usb_alloc_coherent(acm->dev, readsize, GFP_KERNEL, in acm_probe()
1379 rb->instance = acm; in acm_probe()
1387 if (acm->is_int_ep) { in acm_probe()
1388 usb_fill_int_urb(urb, acm->dev, in acm_probe()
1389 acm->rx_endpoint, in acm_probe()
1391 acm->readsize, in acm_probe()
1393 acm->bInterval); in acm_probe()
1395 usb_fill_bulk_urb(urb, acm->dev, in acm_probe()
1396 acm->rx_endpoint, in acm_probe()
1398 acm->readsize, in acm_probe()
1402 acm->read_urbs[i] = urb; in acm_probe()
1403 __set_bit(i, &acm->read_urbs_free); in acm_probe()
1406 struct acm_wb *snd = &(acm->wb[i]); in acm_probe()
1415 NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval); in acm_probe()
1419 NULL, acm->writesize, acm_write_bulk, snd); in acm_probe()
1423 snd->instance = acm; in acm_probe()
1426 usb_set_intfdata(intf, acm); in acm_probe()
1433 acm->country_codes = kmalloc(cfd->bLength - 4, GFP_KERNEL); in acm_probe()
1434 if (!acm->country_codes) in acm_probe()
1436 acm->country_code_size = cfd->bLength - 4; in acm_probe()
1437 memcpy(acm->country_codes, (u8 *)&cfd->wCountyCode0, in acm_probe()
1439 acm->country_rel_date = cfd->iCountryCodeRelDate; in acm_probe()
1443 kfree(acm->country_codes); in acm_probe()
1444 acm->country_codes = NULL; in acm_probe()
1445 acm->country_code_size = 0; in acm_probe()
1453 kfree(acm->country_codes); in acm_probe()
1454 acm->country_codes = NULL; in acm_probe()
1455 acm->country_code_size = 0; in acm_probe()
1461 usb_fill_int_urb(acm->ctrlurb, usb_dev, in acm_probe()
1463 acm->ctrl_buffer, ctrlsize, acm_ctrl_irq, acm, in acm_probe()
1466 acm->ctrlurb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; in acm_probe()
1467 acm->ctrlurb->transfer_dma = acm->ctrl_dma; in acm_probe()
1471 acm->line.dwDTERate = cpu_to_le32(9600); in acm_probe()
1472 acm->line.bDataBits = 8; in acm_probe()
1473 acm_set_line(acm, &acm->line); in acm_probe()
1475 usb_driver_claim_interface(&acm_driver, data_interface, acm); in acm_probe()
1476 usb_set_intfdata(data_interface, acm); in acm_probe()
1479 tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor, in acm_probe()
1493 if (acm->country_codes) { in acm_probe()
1494 device_remove_file(&acm->control->dev, in acm_probe()
1496 device_remove_file(&acm->control->dev, in acm_probe()
1498 kfree(acm->country_codes); in acm_probe()
1500 device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities); in acm_probe()
1504 usb_free_urb(acm->wb[i].urb); in acm_probe()
1507 usb_free_urb(acm->read_urbs[i]); in acm_probe()
1508 acm_read_buffers_free(acm); in acm_probe()
1509 usb_free_urb(acm->ctrlurb); in acm_probe()
1511 acm_write_buffers_free(acm); in acm_probe()
1513 usb_free_coherent(usb_dev, ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); in acm_probe()
1515 acm_release_minor(acm); in acm_probe()
1516 kfree(acm); in acm_probe()
1521 static void stop_data_traffic(struct acm *acm) in stop_data_traffic() argument
1525 dev_dbg(&acm->control->dev, "%s\n", __func__); in stop_data_traffic()
1527 usb_kill_urb(acm->ctrlurb); in stop_data_traffic()
1529 usb_kill_urb(acm->wb[i].urb); in stop_data_traffic()
1530 for (i = 0; i < acm->rx_buflimit; i++) in stop_data_traffic()
1531 usb_kill_urb(acm->read_urbs[i]); in stop_data_traffic()
1533 cancel_work_sync(&acm->work); in stop_data_traffic()
1538 struct acm *acm = usb_get_intfdata(intf); in acm_disconnect() local
1546 if (!acm) in acm_disconnect()
1549 mutex_lock(&acm->mutex); in acm_disconnect()
1550 acm->disconnected = true; in acm_disconnect()
1551 if (acm->country_codes) { in acm_disconnect()
1552 device_remove_file(&acm->control->dev, in acm_disconnect()
1554 device_remove_file(&acm->control->dev, in acm_disconnect()
1557 wake_up_all(&acm->wioctl); in acm_disconnect()
1558 device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities); in acm_disconnect()
1559 usb_set_intfdata(acm->control, NULL); in acm_disconnect()
1560 usb_set_intfdata(acm->data, NULL); in acm_disconnect()
1561 mutex_unlock(&acm->mutex); in acm_disconnect()
1563 tty = tty_port_tty_get(&acm->port); in acm_disconnect()
1569 stop_data_traffic(acm); in acm_disconnect()
1571 tty_unregister_device(acm_tty_driver, acm->minor); in acm_disconnect()
1573 usb_free_urb(acm->ctrlurb); in acm_disconnect()
1575 usb_free_urb(acm->wb[i].urb); in acm_disconnect()
1576 for (i = 0; i < acm->rx_buflimit; i++) in acm_disconnect()
1577 usb_free_urb(acm->read_urbs[i]); in acm_disconnect()
1578 acm_write_buffers_free(acm); in acm_disconnect()
1579 usb_free_coherent(usb_dev, acm->ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); in acm_disconnect()
1580 acm_read_buffers_free(acm); in acm_disconnect()
1582 if (!acm->combined_interfaces) in acm_disconnect()
1583 usb_driver_release_interface(&acm_driver, intf == acm->control ? in acm_disconnect()
1584 acm->data : acm->control); in acm_disconnect()
1586 tty_port_put(&acm->port); in acm_disconnect()
1592 struct acm *acm = usb_get_intfdata(intf); in acm_suspend() local
1595 spin_lock_irq(&acm->write_lock); in acm_suspend()
1597 if (acm->transmitting) { in acm_suspend()
1598 spin_unlock_irq(&acm->write_lock); in acm_suspend()
1602 cnt = acm->susp_count++; in acm_suspend()
1603 spin_unlock_irq(&acm->write_lock); in acm_suspend()
1608 stop_data_traffic(acm); in acm_suspend()
1615 struct acm *acm = usb_get_intfdata(intf); in acm_resume() local
1619 spin_lock_irq(&acm->write_lock); in acm_resume()
1621 if (--acm->susp_count) in acm_resume()
1624 if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) { in acm_resume()
1625 rv = usb_submit_urb(acm->ctrlurb, GFP_ATOMIC); in acm_resume()
1628 urb = usb_get_from_anchor(&acm->delayed); in acm_resume()
1632 acm_start_wb(acm, urb->context); in acm_resume()
1642 rv = acm_submit_read_urbs(acm, GFP_ATOMIC); in acm_resume()
1645 spin_unlock_irq(&acm->write_lock); in acm_resume()
1652 struct acm *acm = usb_get_intfdata(intf); in acm_reset_resume() local
1654 if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) in acm_reset_resume()
1655 tty_port_tty_hangup(&acm->port, false); in acm_reset_resume()