/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * USB keyboard input streams module - processes USB keypacket * received from HID driver below to either ASCII or event * format for windowing system. */ #include #define KEYMAP_SIZE_VARIABLE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* debugging information */ uint_t usbkbm_errmask = (uint_t)PRINT_MASK_ALL; uint_t usbkbm_errlevel = USB_LOG_L2; static usb_log_handle_t usbkbm_log_handle; typedef void (*process_key_callback_t)(usbkbm_state_t *, int, enum keystate); /* * Internal Function Prototypes */ static void usbkbm_streams_setled(struct kbtrans_hardware *, int); static void usbkbm_polled_setled(struct kbtrans_hardware *, int); static boolean_t usbkbm_polled_keycheck(struct kbtrans_hardware *, int *, enum keystate *); static void usbkbm_poll_callback(usbkbm_state_t *, int, enum keystate); static void usbkbm_streams_callback(usbkbm_state_t *, int, enum keystate); static void usbkbm_unpack_usb_packet(usbkbm_state_t *, process_key_callback_t, uchar_t *, int); static boolean_t usbkbm_is_modkey(uchar_t); static void usbkbm_reioctl(void *); static int usbkbm_polled_getchar(cons_polledio_arg_t); static boolean_t usbkbm_polled_ischar(cons_polledio_arg_t); static void usbkbm_polled_enter(cons_polledio_arg_t); static void usbkbm_polled_exit(cons_polledio_arg_t); static void usbkbm_mctl_receive(queue_t *, mblk_t *); static enum kbtrans_message_response usbkbm_ioctl(queue_t *, mblk_t *); static int usbkbm_kioccmd(usbkbm_state_t *, mblk_t *, char, size_t *); static void usbkbm_usb2pc_xlate(usbkbm_state_t *, int, enum keystate); static void usbkbm_wrap_kbtrans(usbkbm_state_t *, int, enum keystate); static int usbkbm_set_protocol(usbkbm_state_t *, uint16_t); static int usbkbm_get_vid_pid(usbkbm_state_t *); /* stream qinit functions defined here */ static int usbkbm_open(queue_t *, dev_t *, int, int, cred_t *); static int usbkbm_close(queue_t *, int, cred_t *); static void usbkbm_wput(queue_t *, mblk_t *); static void usbkbm_rput(queue_t *, mblk_t *); static ushort_t usbkbm_get_state(usbkbm_state_t *); static void usbkbm_get_scancode(usbkbm_state_t *, int *, enum keystate *); static struct keyboard *usbkbm_keyindex; /* External Functions */ extern void space_free(char *); extern uintptr_t space_fetch(char *); extern int space_store(char *, uintptr_t); extern struct keyboard *kbtrans_usbkb_maptab_init(void); extern void kbtrans_usbkb_maptab_fini(struct keyboard **); extern keymap_entry_t kbtrans_keycode_usb2pc(int); /* * Structure to setup callbacks */ struct kbtrans_callbacks kbd_usb_callbacks = { usbkbm_streams_setled, usbkbm_polled_setled, usbkbm_polled_keycheck, }; /* * Global Variables */ /* This variable saves the LED state across hotplugging. */ static uchar_t usbkbm_led_state = 0; /* This variable saves the layout state */ static uint16_t usbkbm_layout = 0; /* * Function pointer array for mapping of scancodes. */ void (*usbkbm_xlate[2])(usbkbm_state_t *, int, enum keystate) = { usbkbm_wrap_kbtrans, usbkbm_usb2pc_xlate }; static struct streamtab usbkbm_info; static struct fmodsw fsw = { "usbkbm", &usbkbm_info, D_MP | D_MTPERMOD }; /* * Module linkage information for the kernel. */ static struct modlstrmod modlstrmod = { &mod_strmodops, "USB keyboard streams %I%", &fsw }; static struct modlinkage modlinkage = { MODREV_1, (void *)&modlstrmod, NULL }; int _init(void) { int rval = mod_install(&modlinkage); usbkbm_save_state_t *sp; if (rval != 0) { return (rval); } usbkbm_keyindex = kbtrans_usbkb_maptab_init(); usbkbm_log_handle = usb_alloc_log_hdl(NULL, "usbkbm", &usbkbm_errlevel, &usbkbm_errmask, NULL, 0); sp = (usbkbm_save_state_t *)space_fetch("SUNW,usbkbm_state"); if (sp == NULL) { return (0); } /* Restore LED information */ usbkbm_led_state = sp->usbkbm_save_led; /* Restore the Layout */ usbkbm_layout = sp->usbkbm_layout; /* Restore abort information */ usbkbm_keyindex->k_abort1 = sp->usbkbm_save_keyindex.k_abort1; usbkbm_keyindex->k_abort2 = sp->usbkbm_save_keyindex.k_abort2; usbkbm_keyindex->k_newabort1 = sp->usbkbm_save_keyindex.k_newabort1; usbkbm_keyindex->k_newabort2 = sp->usbkbm_save_keyindex.k_newabort2; /* Restore keytables */ bcopy(sp->usbkbm_save_keyindex.k_normal, usbkbm_keyindex->k_normal, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_shifted, usbkbm_keyindex->k_shifted, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_caps, usbkbm_keyindex->k_caps, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_altgraph, usbkbm_keyindex->k_altgraph, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_numlock, usbkbm_keyindex->k_numlock, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_control, usbkbm_keyindex->k_control, USB_KEYTABLE_SIZE); bcopy(sp->usbkbm_save_keyindex.k_up, usbkbm_keyindex->k_up, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_normal, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_shifted, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_caps, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_altgraph, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_numlock, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_control, USB_KEYTABLE_SIZE); kmem_free(sp->usbkbm_save_keyindex.k_up, USB_KEYTABLE_SIZE); kmem_free(sp, sizeof (usbkbm_save_state_t)); space_free("SUNW,usbkbm_state"); return (0); } int _fini(void) { usbkbm_save_state_t *sp; int sval; int rval; sp = kmem_alloc(sizeof (usbkbm_save_state_t), KM_SLEEP); sval = space_store("SUNW,usbkbm_state", (uintptr_t)sp); /* * If it's not possible to store the state, return * EBUSY. */ if (sval != 0) { kmem_free(sp, sizeof (usbkbm_save_state_t)); return (EBUSY); } rval = mod_remove(&modlinkage); if (rval != 0) { kmem_free(sp, sizeof (usbkbm_save_state_t)); space_free("SUNW,usbkbm_state"); return (rval); } usb_free_log_hdl(usbkbm_log_handle); /* Save the LED state */ sp->usbkbm_save_led = usbkbm_led_state; /* Save the layout */ sp->usbkbm_layout = usbkbm_layout; /* * Save entries of the keyboard structure that * have changed. */ sp->usbkbm_save_keyindex.k_abort1 = usbkbm_keyindex->k_abort1; sp->usbkbm_save_keyindex.k_abort2 = usbkbm_keyindex->k_abort2; sp->usbkbm_save_keyindex.k_newabort1 = usbkbm_keyindex->k_newabort1; sp->usbkbm_save_keyindex.k_newabort2 = usbkbm_keyindex->k_newabort2; /* Allocate space for keytables to be stored */ sp->usbkbm_save_keyindex.k_normal = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_shifted = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_caps = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_altgraph = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_numlock = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_control = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); sp->usbkbm_save_keyindex.k_up = kmem_alloc(USB_KEYTABLE_SIZE, KM_SLEEP); /* Copy over the keytables */ bcopy(usbkbm_keyindex->k_normal, sp->usbkbm_save_keyindex.k_normal, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_shifted, sp->usbkbm_save_keyindex.k_shifted, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_caps, sp->usbkbm_save_keyindex.k_caps, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_altgraph, sp->usbkbm_save_keyindex.k_altgraph, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_numlock, sp->usbkbm_save_keyindex.k_numlock, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_control, sp->usbkbm_save_keyindex.k_control, USB_KEYTABLE_SIZE); bcopy(usbkbm_keyindex->k_up, sp->usbkbm_save_keyindex.k_up, USB_KEYTABLE_SIZE); kbtrans_usbkb_maptab_fini(&usbkbm_keyindex); return (0); } int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } /* * Module qinit functions */ static struct module_info usbkbm_minfo = { 0, /* module id number */ "usbkbm", /* module name */ 0, /* min packet size accepted */ INFPSZ, /* max packet size accepted */ 2048, /* hi-water mark */ 128 /* lo-water mark */ }; /* read side for key data and ioctl replies */ static struct qinit usbkbm_rinit = { (int (*)())usbkbm_rput, (int (*)())NULL, /* service not used */ usbkbm_open, usbkbm_close, (int (*)())NULL, &usbkbm_minfo }; /* write side for ioctls */ static struct qinit usbkbm_winit = { (int (*)())usbkbm_wput, (int (*)())NULL, usbkbm_open, usbkbm_close, (int (*)())NULL, &usbkbm_minfo }; static struct streamtab usbkbm_info = { &usbkbm_rinit, &usbkbm_winit, NULL, /* for muxes */ NULL, /* for muxes */ }; /* * usbkbm_open : * Open a keyboard */ /* ARGSUSED */ static int usbkbm_open(queue_t *q, dev_t *devp, int oflag, int sflag, cred_t *crp) { usbkbm_state_t *usbkbmd; struct iocblk mctlmsg; uint32_t packet_size; mblk_t *mctl_ptr; int error, ret; packet_size = 0; if (q->q_ptr) { USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "usbkbm_open already opened"); return (0); /* already opened */ } /* * Only allow open requests to succeed for privileged users. This * necessary to prevent users from pushing the "usbkbm" module again * on the stream associated with /dev/kbd. */ if (secpolicy_console(crp) != 0) return (EPERM); switch (sflag) { case MODOPEN: break; case CLONEOPEN: USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "usbkbm_open: Clone open not supported"); /* FALLTHRU */ default: return (EINVAL); } /* allocate usb keyboard state structure */ usbkbmd = kmem_zalloc(sizeof (usbkbm_state_t), KM_SLEEP); USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "usbkbm_state= %p", (void *)usbkbmd); /* * Set up private data. */ usbkbmd->usbkbm_readq = q; usbkbmd->usbkbm_writeq = WR(q); usbkbmd->usbkbm_vkbd_type = KB_USB; /* * Set up queue pointers, so that the "put" procedure will accept * the reply to the "ioctl" message we send down. */ q->q_ptr = (caddr_t)usbkbmd; WR(q)->q_ptr = (caddr_t)usbkbmd; error = kbtrans_streams_init(q, sflag, crp, (struct kbtrans_hardware *)usbkbmd, &kbd_usb_callbacks, &usbkbmd->usbkbm_kbtrans, usbkbm_led_state, 0); if (error != 0) { USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "kbdopen: kbtrans_streams_init failed\n"); kmem_free(usbkbmd, sizeof (*usbkbmd)); return (error); } /* * Set the polled information in the state structure. * This information is set once, and doesn't change */ usbkbmd->usbkbm_polled_info.cons_polledio_version = CONSPOLLEDIO_V1; usbkbmd->usbkbm_polled_info.cons_polledio_argument = (cons_polledio_arg_t)usbkbmd; usbkbmd->usbkbm_polled_info.cons_polledio_putchar = NULL; usbkbmd->usbkbm_polled_info.cons_polledio_getchar = usbkbm_polled_getchar; usbkbmd->usbkbm_polled_info.cons_polledio_ischar = usbkbm_polled_ischar; usbkbmd->usbkbm_polled_info.cons_polledio_enter = usbkbm_polled_enter; usbkbmd->usbkbm_polled_info.cons_polledio_exit = usbkbm_polled_exit; usbkbmd->usbkbm_polled_info.cons_polledio_setled = (void (*)(cons_polledio_arg_t, int))usbkbm_polled_setled; usbkbmd->usbkbm_polled_info.cons_polledio_keycheck = (boolean_t (*)(cons_polledio_arg_t, int *, enum keystate *))usbkbm_polled_keycheck; /* * The head and the tail pointing at the same byte means empty or * full. usbkbm_polled_buffer_num_characters is used to * tell the difference. */ usbkbmd->usbkbm_polled_buffer_head = usbkbmd->usbkbm_polled_scancode_buffer; usbkbmd->usbkbm_polled_buffer_tail = usbkbmd->usbkbm_polled_scancode_buffer; usbkbmd->usbkbm_polled_buffer_num_characters = 0; qprocson(q); if (ret = usbkbm_set_protocol(usbkbmd, SET_BOOT_PROTOCOL)) { return (ret); } /* request hid report descriptor from HID */ mctlmsg.ioc_cmd = HID_GET_PARSER_HANDLE; mctlmsg.ioc_count = 0; mctl_ptr = usba_mk_mctl(mctlmsg, NULL, 0); if (mctl_ptr == NULL) { /* failure to allocate M_CTL message */ (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (*usbkbmd)); return (ENOMEM); } /* send message to hid */ putnext(usbkbmd->usbkbm_writeq, mctl_ptr); /* * Now that M_CTL has been sent, wait for report descriptor. Cleanup * if user signals in the mean time (as when this gets opened in an * inappropriate context and the user types a ^C). */ usbkbmd->usbkbm_flags |= USBKBM_QWAIT; while (usbkbmd->usbkbm_flags & USBKBM_QWAIT) { if (qwait_sig(q) == 0) { usbkbmd->usbkbm_flags = 0; (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (*usbkbmd)); return (EINTR); } } if (usbkbmd->usbkbm_report_descr != NULL) { if (hidparser_get_country_code(usbkbmd->usbkbm_report_descr, (uint16_t *)&usbkbmd->usbkbm_layout) == HIDPARSER_FAILURE) { USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "get_country_code failed" "setting default layout(0)"); usbkbmd->usbkbm_layout = usbkbm_layout; } if (hidparser_get_packet_size(usbkbmd->usbkbm_report_descr, 0, HIDPARSER_ITEM_INPUT, (uint32_t *)&packet_size) == HIDPARSER_FAILURE) { USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "get_packet_size failed" "setting default packet size(8)"); /* Setting to default packet size = 8 */ usbkbmd->usbkbm_packet_size = USB_KBD_DEFAULT_PACKET_SIZE; } else { usbkbmd->usbkbm_packet_size = packet_size/8; } } else { USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "usbkbm: Invalid HID Descriptor Tree." "setting default layout(0) & packet_size(8)"); usbkbmd->usbkbm_layout = usbkbm_layout; usbkbmd->usbkbm_packet_size = USB_KBD_DEFAULT_PACKET_SIZE; } /* * Although Sun Japanese type6 and type7 keyboards have the same * layout number(15), they should be recognized for loading the * different keytables on upper apps (e.g. X). The new layout * number (271) is defined for the Sun Japanese type6 keyboards. * The layout number (15) specified in HID spec is used for other * Japanese keyboards. It is a workaround for the old Sun Japanese * type6 keyboards defect. */ if (usbkbmd->usbkbm_layout == SUN_JAPANESE_TYPE7) { if ((ret = usbkbm_get_vid_pid(usbkbmd)) != 0) { return (ret); } if ((usbkbmd->usbkbm_vid_pid.VendorId == HID_SUN_JAPANESE_TYPE6_KBD_VID) && (usbkbmd->usbkbm_vid_pid.ProductId == HID_SUN_JAPANESE_TYPE6_KBD_PID)) { usbkbmd->usbkbm_layout = SUN_JAPANESE_TYPE6; } } kbtrans_streams_set_keyboard(usbkbmd->usbkbm_kbtrans, KB_USB, usbkbm_keyindex); usbkbmd->usbkbm_flags = USBKBM_OPEN; kbtrans_streams_enable(usbkbmd->usbkbm_kbtrans); USB_DPRINTF_L3(PRINT_MASK_OPEN, usbkbm_log_handle, "usbkbm_open exiting"); return (0); } /* * usbkbm_close : * Close a keyboard. */ /* ARGSUSED1 */ static int usbkbm_close(register queue_t *q, int flag, cred_t *crp) { usbkbm_state_t *usbkbmd = (usbkbm_state_t *)q->q_ptr; /* If a beep is in progress, stop that */ beeper_off(); (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); /* * Since we're about to destroy our private data, turn off * our open flag first, so we don't accept any more input * and try to use that data. */ usbkbmd->usbkbm_flags = 0; kmem_free(usbkbmd, sizeof (usbkbm_state_t)); USB_DPRINTF_L3(PRINT_MASK_CLOSE, usbkbm_log_handle, "usbkbm_close exiting"); return (0); } /* * usbkbm_wput : * usb keyboard module output queue put procedure: handles M_IOCTL * messages. */ static void usbkbm_wput(register queue_t *q, register mblk_t *mp) { usbkbm_state_t *usbkbmd; enum kbtrans_message_response ret; USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_wput entering"); usbkbmd = (usbkbm_state_t *)q->q_ptr; /* First, see if kbtrans will handle the message */ ret = kbtrans_streams_message(usbkbmd->usbkbm_kbtrans, mp); if (ret == KBTRANS_MESSAGE_HANDLED) { USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_wput exiting:2"); return; } /* kbtrans didn't handle the message. Try to handle it here */ switch (mp->b_datap->db_type) { case M_FLUSH: if (*mp->b_rptr & FLUSHW) { flushq(q, FLUSHDATA); } if (*mp->b_rptr & FLUSHR) { flushq(RD(q), FLUSHDATA); } break; case M_IOCTL: ret = usbkbm_ioctl(q, mp); if (ret == KBTRANS_MESSAGE_HANDLED) { USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_wput exiting:1"); return; } default: break; } /* * The message has not been handled * by kbtrans or this module. Pass it down the stream */ putnext(q, mp); USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_wput exiting:3"); } /* * usbkbm_ioctl : * Handles the ioctls sent from upper module. Returns * ACK/NACK back. */ static enum kbtrans_message_response usbkbm_ioctl(register queue_t *q, register mblk_t *mp) { usbkbm_state_t *usbkbmd; struct iocblk mctlmsg; struct iocblk *iocp; mblk_t *datap, *mctl_ptr; size_t ioctlrespsize; int err; int tmp; char command; err = 0; usbkbmd = (usbkbm_state_t *)q->q_ptr; iocp = (struct iocblk *)mp->b_rptr; switch (iocp->ioc_cmd) { case CONSSETKBDTYPE: err = miocpullup(mp, sizeof (int)); if (err != 0) { break; } tmp = *(int *)mp->b_cont->b_rptr; if (tmp != KB_PC && tmp != KB_USB) { err = EINVAL; break; } usbkbmd->usbkbm_vkbd_type = tmp; break; case KIOCLAYOUT: datap = allocb(sizeof (int), BPRI_HI); if (datap == NULL) { ioctlrespsize = sizeof (int); goto allocfailure; } *(int *)datap->b_wptr = usbkbmd->usbkbm_layout; datap->b_wptr += sizeof (int); freemsg(mp->b_cont); mp->b_cont = datap; iocp->ioc_count = sizeof (int); break; case KIOCSLAYOUT: /* * Supply a layout if not specified by the hardware, or * override any that was specified. */ if (iocp->ioc_count != TRANSPARENT) { err = EINVAL; break; } usbkbmd->usbkbm_layout = *(intptr_t *)mp->b_cont->b_rptr; /* * Save the layout in usbkbm_layout so as to handle the * the case when the user has re-plugged in the non-self * identifying non US keyboard. In this the layout is saved * in global variable, so the user does not have to run * kdmconfig again after the X server reset */ usbkbm_layout = usbkbmd->usbkbm_layout; break; case KIOCCMD: /* * Check if we have at least the subcommand field; any * other argument validation has to occur inside * usbkbm_kioccmd(). */ err = miocpullup(mp, sizeof (int)); if (err != 0) break; /* Subcommand */ command = (char)(*(int *)mp->b_cont->b_rptr); /* * Check if this ioctl is followed by a previous * KBD_CMD_SETLED command, in which case we take * the command byte as the data for setting the LED */ if (usbkbmd->usbkbm_setled_second_byte) { usbkbm_streams_setled((struct kbtrans_hardware *) usbkbmd, command); usbkbmd->usbkbm_setled_second_byte = 0; break; } /* * In case of allocb failure, this will * return the size of the allocation which * failed so that it can be allocated later * through bufcall. */ ioctlrespsize = 0; err = usbkbm_kioccmd(usbkbmd, mp, command, &ioctlrespsize); if (ioctlrespsize != 0) { goto allocfailure; } break; case CONSOPENPOLLEDIO: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_ioctl CONSOPENPOLLEDIO"); err = miocpullup(mp, sizeof (struct cons_polledio *)); if (err != 0) { USB_DPRINTF_L2(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_ioctl: malformed request"); break; } usbkbmd->usbkbm_pending_link = mp; /* * Get the polled input structure from hid */ mctlmsg.ioc_cmd = HID_OPEN_POLLED_INPUT; mctlmsg.ioc_count = 0; mctl_ptr = usba_mk_mctl(mctlmsg, NULL, 0); if (mctl_ptr == NULL) { ioctlrespsize = sizeof (mctlmsg); goto allocfailure; } putnext(usbkbmd->usbkbm_writeq, mctl_ptr); /* * Do not ack or nack the message, we will wait for the * result of HID_OPEN_POLLED_INPUT */ return (KBTRANS_MESSAGE_HANDLED); case CONSCLOSEPOLLEDIO: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_ioctl CONSCLOSEPOLLEDIO mp = 0x%p", (void *)mp); usbkbmd->usbkbm_pending_link = mp; /* * Get the polled input structure from hid */ mctlmsg.ioc_cmd = HID_CLOSE_POLLED_INPUT; mctlmsg.ioc_count = 0; mctl_ptr = usba_mk_mctl(mctlmsg, NULL, 0); if (mctl_ptr == NULL) { ioctlrespsize = sizeof (mctlmsg); goto allocfailure; } putnext(usbkbmd->usbkbm_writeq, mctl_ptr); /* * Do not ack or nack the message, we will wait for the * result of HID_CLOSE_POLLED_INPUT */ return (KBTRANS_MESSAGE_HANDLED); case CONSSETABORTENABLE: /* * Nothing special to do for USB. */ break; default: return (KBTRANS_MESSAGE_NOT_HANDLED); } /* * Send ACK/NACK to upper module for * the messages that have been handled. */ if (err != 0) { iocp->ioc_rval = 0; iocp->ioc_error = err; mp->b_datap->db_type = M_IOCNAK; } else { iocp->ioc_rval = 0; iocp->ioc_error = 0; /* brain rot */ mp->b_datap->db_type = M_IOCACK; } /* Send the response back up the stream */ putnext(usbkbmd->usbkbm_readq, mp); return (KBTRANS_MESSAGE_HANDLED); allocfailure: /* * We needed to allocate something to handle this "ioctl", but * couldn't; save this "ioctl" and arrange to get called back when * it's more likely that we can get what we need. * If there's already one being saved, throw it out, since it * must have timed out. */ freemsg(usbkbmd->usbkbm_streams_iocpending); usbkbmd->usbkbm_streams_iocpending = mp; if (usbkbmd->usbkbm_streams_bufcallid) { qunbufcall(usbkbmd->usbkbm_readq, usbkbmd->usbkbm_streams_bufcallid); } usbkbmd->usbkbm_streams_bufcallid = qbufcall(usbkbmd->usbkbm_readq, ioctlrespsize, BPRI_HI, usbkbm_reioctl, usbkbmd); return (KBTRANS_MESSAGE_HANDLED); } /* * usbkbm_kioccmd : * Handles KIOCCMD ioctl. */ static int usbkbm_kioccmd(usbkbm_state_t *usbkbmd, register mblk_t *mp, char command, size_t *ioctlrepsize) { register mblk_t *datap; register struct iocblk *iocp; int err = 0; iocp = (struct iocblk *)mp->b_rptr; switch (command) { /* Keyboard layout command */ case KBD_CMD_GETLAYOUT: /* layout learned at attached time. */ datap = allocb(sizeof (int), BPRI_HI); /* Return error on allocation failure */ if (datap == NULL) { *ioctlrepsize = sizeof (int); return (EIO); } *(int *)datap->b_wptr = usbkbmd->usbkbm_layout; datap->b_wptr += sizeof (int); freemsg(mp->b_cont); mp->b_cont = datap; iocp->ioc_count = sizeof (int); break; case KBD_CMD_SETLED: /* * Emulate type 4 keyboard : * Ignore this ioctl; the following * ioctl will specify the data byte for * setting the LEDs; setting usbkbm_setled_second_byte * will help recognizing that ioctl */ usbkbmd->usbkbm_setled_second_byte = 1; break; case KBD_CMD_RESET: break; case KBD_CMD_BELL: /* * USB keyboards do not have a beeper * in it, the generic beeper interface * is used. Turn the beeper on. */ beeper_on(BEEP_TYPE4); break; case KBD_CMD_NOBELL: /* * USB keyboards do not have a beeper * in it, the generic beeper interface * is used. Turn the beeper off. */ beeper_off(); break; case KBD_CMD_CLICK: /* FALLTHRU */ case KBD_CMD_NOCLICK: break; default: err = EIO; break; } return (err); } /* * usbkbm_rput : * Put procedure for input from driver end of stream (read queue). */ static void usbkbm_rput(register queue_t *q, register mblk_t *mp) { usbkbm_state_t *usbkbmd; usbkbmd = (usbkbm_state_t *)q->q_ptr; USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_rput"); if (usbkbmd == 0) { freemsg(mp); /* nobody's listening */ return; } switch (mp->b_datap->db_type) { case M_FLUSH: if (*mp->b_rptr & FLUSHW) flushq(WR(q), FLUSHDATA); if (*mp->b_rptr & FLUSHR) flushq(q, FLUSHDATA); freemsg(mp); return; case M_BREAK: /* * Will get M_BREAK only if this is not the system * keyboard, otherwise serial port will eat break * and call kmdb/OBP, without passing anything up. */ freemsg(mp); return; case M_DATA: if (!(usbkbmd->usbkbm_flags & USBKBM_OPEN)) { freemsg(mp); /* not ready to listen */ return; } break; case M_CTL: usbkbm_mctl_receive(q, mp); return; case M_ERROR: usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT; freemsg(mp); return; case M_IOCACK: case M_IOCNAK: putnext(q, mp); return; default: putnext(q, mp); return; } /* * A data message, consisting of bytes from the keyboard. * Ram them through the translator, only if there are * correct no. of bytes. */ if ((mp->b_wptr - mp->b_rptr) == usbkbmd->usbkbm_packet_size) { usbkbm_unpack_usb_packet(usbkbmd, usbkbm_streams_callback, (uchar_t *)mp->b_rptr, usbkbmd->usbkbm_packet_size); } freemsg(mp); } /* * usbkbm_mctl_receive : * Handle M_CTL messages from hid. If we don't understand * the command, send it up. */ static void usbkbm_mctl_receive(register queue_t *q, register mblk_t *mp) { register usbkbm_state_t *usbkbmd = (usbkbm_state_t *)q->q_ptr; register struct iocblk *iocp, mctlmsg; caddr_t data = NULL; mblk_t *reply_mp, *mctl_ptr; uchar_t new_buffer[USBKBM_MAXPKTSIZE]; size_t size; hid_req_t buf; size_t len = sizeof (buf); iocp = (struct iocblk *)mp->b_rptr; if (mp->b_cont != NULL) data = (caddr_t)mp->b_cont->b_rptr; switch (iocp->ioc_cmd) { case HID_SET_REPORT: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive HID_SET mctl"); freemsg(mp); /* Setting of the LED is not waiting for this message */ break; case HID_SET_PROTOCOL: freemsg(mp); usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT; break; case HID_GET_PARSER_HANDLE: if ((data != NULL) && (iocp->ioc_count == sizeof (hidparser_handle_t)) && ((mp->b_cont->b_wptr - mp->b_cont->b_rptr) == iocp->ioc_count)) { usbkbmd->usbkbm_report_descr = *(hidparser_handle_t *)data; } else { usbkbmd->usbkbm_report_descr = NULL; } freemsg(mp); usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT; break; case HID_GET_VID_PID: if ((data != NULL) && (iocp->ioc_count == sizeof (hid_vid_pid_t)) && ((mp->b_cont->b_wptr - mp->b_cont->b_rptr) == iocp->ioc_count)) { bcopy(data, &usbkbmd->usbkbm_vid_pid, iocp->ioc_count); } freemsg(mp); usbkbmd->usbkbm_flags &= ~USBKBM_QWAIT; break; case HID_OPEN_POLLED_INPUT: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive HID_OPEN_POLLED_INPUT"); size = sizeof (hid_polled_input_callback_t); reply_mp = usbkbmd->usbkbm_pending_link; if ((data != NULL) && (iocp->ioc_count == size) && ((mp->b_cont->b_wptr - mp->b_cont->b_rptr) == size)) { /* * Copy the information from hid into the * state structure */ bcopy(data, &usbkbmd->usbkbm_hid_callback, size); reply_mp->b_datap->db_type = M_IOCACK; /* * We are given an appropriate-sized data block, * and return a pointer to our structure in it. * The structure is saved in the states structure */ *(cons_polledio_t **)reply_mp->b_cont->b_rptr = &usbkbmd->usbkbm_polled_info; } else { reply_mp->b_datap->db_type = M_IOCNAK; } freemsg(mp); usbkbmd->usbkbm_pending_link = NULL; putnext(q, reply_mp); break; case HID_CLOSE_POLLED_INPUT: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive HID_CLOSE_POLLED_INPUT"); bzero(&usbkbmd->usbkbm_hid_callback, sizeof (hid_polled_input_callback_t)); freemsg(mp); reply_mp = usbkbmd->usbkbm_pending_link; iocp = (struct iocblk *)reply_mp->b_rptr; USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive reply reply_mp 0x%p cmd 0x%x", (void *)reply_mp, iocp->ioc_cmd); reply_mp->b_datap->db_type = M_IOCACK; usbkbmd->usbkbm_pending_link = NULL; putnext(q, reply_mp); break; case HID_DISCONNECT_EVENT : case HID_POWER_OFF: USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive HID_DISCONNECT_EVENT/HID_POWER_OFF"); /* Indicate all keys have been released */ bzero(new_buffer, USBKBM_MAXPKTSIZE); usbkbm_unpack_usb_packet(usbkbmd, usbkbm_streams_callback, new_buffer, usbkbmd->usbkbm_packet_size); freemsg(mp); break; case HID_CONNECT_EVENT: mctlmsg.ioc_cmd = HID_SET_PROTOCOL; mctlmsg.ioc_count = 0; buf.hid_req_version_no = HID_VERSION_V_0; buf.hid_req_wValue = SET_BOOT_PROTOCOL; buf.hid_req_wLength = 0; mctl_ptr = usba_mk_mctl(mctlmsg, &buf, len); if (mctl_ptr == NULL) { USB_DPRINTF_L2(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive HID_CONNECT_EVENT: " "Set protocol failed"); } else { putnext(usbkbmd->usbkbm_writeq, mctl_ptr); } /* FALLTHRU */ case HID_FULL_POWER : USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "usbkbm_mctl_receive restore LEDs"); /* send setled command down to restore LED states */ usbkbm_streams_setled((struct kbtrans_hardware *)usbkbmd, usbkbm_led_state); freemsg(mp); break; default: putnext(q, mp); break; } } /* * usbkbm_streams_setled : * Update the keyboard LEDs to match the current keyboard state. * Send LED state downstreams to hid driver. */ static void usbkbm_streams_setled(struct kbtrans_hardware *kbtrans_hw, int state) { struct iocblk mctlmsg; mblk_t *mctl_ptr; hid_req_t *LED_report; usbkbm_state_t *usbkbmd; uchar_t led_state; usbkbm_led_state = (uchar_t)state; usbkbmd = (usbkbm_state_t *)kbtrans_hw; LED_report = kmem_zalloc(sizeof (hid_req_t), KM_NOSLEEP); if (LED_report == NULL) { return; } /* * Send the request to the hid driver to set LED. */ led_state = 0; /* * Set the led state based on the state that is passed in. */ if (state & LED_NUM_LOCK) { led_state |= USB_LED_NUM_LOCK; } if (state & LED_COMPOSE) { led_state |= USB_LED_COMPOSE; } if (state & LED_SCROLL_LOCK) { led_state |= USB_LED_SCROLL_LOCK; } if (state & LED_CAPS_LOCK) { led_state |= USB_LED_CAPS_LOCK; } if (state & LED_KANA) { led_state |= USB_LED_KANA; } LED_report->hid_req_version_no = HID_VERSION_V_0; LED_report->hid_req_wValue = REPORT_TYPE_OUTPUT; LED_report->hid_req_wLength = sizeof (uchar_t); LED_report->hid_req_data[0] = led_state; mctlmsg.ioc_cmd = HID_SET_REPORT; mctlmsg.ioc_count = sizeof (LED_report); mctl_ptr = usba_mk_mctl(mctlmsg, LED_report, sizeof (hid_req_t)); if (mctl_ptr != NULL) { putnext(usbkbmd->usbkbm_writeq, mctl_ptr); } /* * We are not waiting for response of HID_SET_REPORT * mctl for setting the LED. */ kmem_free(LED_report, sizeof (hid_req_t)); } /* * usbkbm_polled_keycheck : * This routine is called to determine if there is a scancode that * is available for input. This routine is called at poll time and * returns a key/state pair to the caller. If there are characters * buffered up, the routine returns right away with the key/state pair. * Otherwise, the routine calls down to check for characters and returns * the first key/state pair if there are any characters pending. */ static boolean_t usbkbm_polled_keycheck(struct kbtrans_hardware *hw, int *key, enum keystate *state) { usbkbm_state_t *usbkbmd; uchar_t *buffer; unsigned num_keys; hid_polled_handle_t hid_polled_handle; usbkbmd = (usbkbm_state_t *)hw; /* * If there are already characters buffered up, then we are done. */ if (usbkbmd->usbkbm_polled_buffer_num_characters != 0) { usbkbm_get_scancode(usbkbmd, key, state); return (B_TRUE); } hid_polled_handle = usbkbmd->usbkbm_hid_callback.hid_polled_input_handle; num_keys = (usbkbmd->usbkbm_hid_callback.hid_polled_read) (hid_polled_handle, &buffer); /* * If we don't get any characters back then indicate that, and we * are done. */ if (num_keys == 0) { return (B_FALSE); } /* * We have a usb packet, so pass this packet to * usbkbm_unpack_usb_packet so that it can be broken up into * individual key/state values. */ usbkbm_unpack_usb_packet(usbkbmd, usbkbm_poll_callback, buffer, num_keys); /* * If a scancode was returned as a result of this packet, * then translate the scancode. */ if (usbkbmd->usbkbm_polled_buffer_num_characters != 0) { usbkbm_get_scancode(usbkbmd, key, state); return (B_TRUE); } return (B_FALSE); } static ushort_t usbkbm_get_state(usbkbm_state_t *usbkbmd) { ushort_t ret; ASSERT(usbkbmd->usbkbm_vkbd_type == KB_PC || usbkbmd->usbkbm_vkbd_type == KB_USB); if (usbkbmd->usbkbm_vkbd_type == KB_PC) ret = INDEXTO_PC; else ret = INDEXTO_USB; return (ret); } /* * usbkbm_streams_callback : * This is the routine that is going to be called when unpacking * usb packets for normal streams-based input. We pass a pointer * to this routine to usbkbm_unpack_usb_packet. This routine will * get called with an unpacked key (scancode) and state (press/release). * We pass it to the generic keyboard module. * * 'index' and the function pointers: * Map USB scancodes to PC scancodes by lookup table. * This fix is mainly meant for x86 platforms. For SPARC systems * this fix doesn't change the way in which the scancodes are processed. */ static void usbkbm_streams_callback(usbkbm_state_t *usbkbmd, int key, enum keystate state) { ushort_t index = usbkbm_get_state(usbkbmd); (*usbkbm_xlate[index])(usbkbmd, key, state); } /* * Don't do any translations. Send to 'kbtrans' for processing. */ static void usbkbm_wrap_kbtrans(usbkbm_state_t *usbkbmd, int key, enum keystate state) { kbtrans_streams_key(usbkbmd->usbkbm_kbtrans, key, state); } /* * Translate USB scancodes to PC scancodes before sending it to 'kbtrans' */ void usbkbm_usb2pc_xlate(usbkbm_state_t *usbkbmd, int key, enum keystate state) { key = kbtrans_keycode_usb2pc(key); kbtrans_streams_key(usbkbmd->usbkbm_kbtrans, key, state); } /* * usbkbm_poll_callback : * This is the routine that is going to be called when unpacking * usb packets for polled input. We pass a pointer to this routine * to usbkbm_unpack_usb_packet. This routine will get called with * an unpacked key (scancode) and state (press/release). We will * store the key/state pair into a circular buffer so that it can * be translated into an ascii key later. */ static void usbkbm_poll_callback(usbkbm_state_t *usbkbmd, int key, enum keystate state) { /* * Check to make sure that the buffer isn't already full */ if (usbkbmd->usbkbm_polled_buffer_num_characters == USB_POLLED_BUFFER_SIZE) { /* * The buffer is full, we will drop this character. */ return; } /* * Save the scancode in the buffer */ usbkbmd->usbkbm_polled_buffer_head->poll_key = key; usbkbmd->usbkbm_polled_buffer_head->poll_state = state; /* * We have one more character in the buffer */ usbkbmd->usbkbm_polled_buffer_num_characters++; /* * Increment to the next available slot. */ usbkbmd->usbkbm_polled_buffer_head++; /* * Check to see if the tail has wrapped. */ if (usbkbmd->usbkbm_polled_buffer_head - usbkbmd->usbkbm_polled_scancode_buffer == USB_POLLED_BUFFER_SIZE) { usbkbmd->usbkbm_polled_buffer_head = usbkbmd->usbkbm_polled_scancode_buffer; } } /* * usbkbm_get_scancode : * This routine retreives a key/state pair from the circular buffer. * The pair was put in the buffer by usbkbm_poll_callback when a * USB packet was translated into a key/state by usbkbm_unpack_usb_packet. */ static void usbkbm_get_scancode(usbkbm_state_t *usbkbmd, int *key, enum keystate *state) { /* * Copy the character. */ *key = usbkbmd->usbkbm_polled_buffer_tail->poll_key; *state = usbkbmd->usbkbm_polled_buffer_tail->poll_state; /* * Increment to the next character to be copied from * and to. */ usbkbmd->usbkbm_polled_buffer_tail++; /* * Check to see if the tail has wrapped. */ if (usbkbmd->usbkbm_polled_buffer_tail - usbkbmd->usbkbm_polled_scancode_buffer == USB_POLLED_BUFFER_SIZE) { usbkbmd->usbkbm_polled_buffer_tail = usbkbmd->usbkbm_polled_scancode_buffer; } /* * We have one less character in the buffer. */ usbkbmd->usbkbm_polled_buffer_num_characters--; } /* * usbkbm_polled_setled : * This routine is a place holder. Someday, we may want to allow led * state to be updated from within polled mode. */ /* ARGSUSED */ static void usbkbm_polled_setled(struct kbtrans_hardware *hw, int led_state) { /* nothing to do for now */ } /* * This is a pass-thru routine to get a character at poll time. */ static int usbkbm_polled_getchar(cons_polledio_arg_t arg) { usbkbm_state_t *usbkbmd; usbkbmd = (usbkbm_state_t *)arg; return (kbtrans_getchar(usbkbmd->usbkbm_kbtrans)); } /* * This is a pass-thru routine to test if character is available for reading * at poll time. */ static boolean_t usbkbm_polled_ischar(cons_polledio_arg_t arg) { usbkbm_state_t *usbkbmd; usbkbmd = (usbkbm_state_t *)arg; return (kbtrans_ischar(usbkbmd->usbkbm_kbtrans)); } /* * usbkbm_polled_input_enter : * This is a pass-thru initialization routine for the lower layer drivers. * This routine is called at poll time to set the state for polled input. */ static void usbkbm_polled_enter(cons_polledio_arg_t arg) { usbkbm_state_t *usbkbmd; hid_polled_handle_t hid_polled_handle; uint_t uindex; usbkbmd = (usbkbm_state_t *)arg; /* * Before switching to POLLED mode, copy the contents of * usbkbm_pendingusbpacket to usbkbm_lastusbpacket since * usbkbm_pendingusbpacket field has currently processed * key events of the current OS mode usb keyboard packet. */ for (uindex = 2; uindex < USBKBM_MAXPKTSIZE; uindex ++) { usbkbmd->usbkbm_lastusbpacket[uindex] = usbkbmd->usbkbm_pendingusbpacket[uindex]; usbkbmd->usbkbm_pendingusbpacket[uindex] = 0; } hid_polled_handle = usbkbmd->usbkbm_hid_callback.hid_polled_input_handle; (void) (usbkbmd->usbkbm_hid_callback.hid_polled_input_enter) (hid_polled_handle); } /* * usbkbm_polled_input_exit : * This is a pass-thru restoration routine for the lower layer drivers. * This routine is called at poll time to reset the state back to streams * input. */ static void usbkbm_polled_exit(cons_polledio_arg_t arg) { usbkbm_state_t *usbkbmd; hid_polled_handle_t hid_polled_handle; uint_t uindex; usbkbmd = (usbkbm_state_t *)arg; /* * Before returning to OS mode, copy the contents of * usbkbm_lastusbpacket to usbkbm_pendingusbpacket since * usbkbm_lastusbpacket field has processed key events * of the last POLLED mode usb keyboard packet. */ for (uindex = 2; uindex < USBKBM_MAXPKTSIZE; uindex ++) { usbkbmd->usbkbm_pendingusbpacket[uindex] = usbkbmd->usbkbm_lastusbpacket[uindex]; usbkbmd->usbkbm_lastusbpacket[uindex] = 0; } hid_polled_handle = usbkbmd->usbkbm_hid_callback.hid_polled_input_handle; (void) (usbkbmd->usbkbm_hid_callback.hid_polled_input_exit) (hid_polled_handle); } /* * usbkbm_unpack_usb_packet : * USB key packets contain 8 bytes while in boot protocol mode. * The first byte contains bit packed modifier key information. * Second byte is reserved. The last 6 bytes contain bytes of * currently pressed keys. If a key was not recorded on the * previous packet, but present in the current packet, then set * state to KEY_PRESSED. If a key was recorded in the previous packet, * but not present in the current packet, then state to KEY_RELEASED * Follow a similar algorithm for bit packed modifier keys. */ static void usbkbm_unpack_usb_packet(usbkbm_state_t *usbkbmd, process_key_callback_t func, uchar_t *usbpacket, int packet_size) { uchar_t mkb; uchar_t lastmkb; uchar_t *lastusbpacket = usbkbmd->usbkbm_lastusbpacket; int uindex, lindex, rollover; mkb = usbpacket[0]; lastmkb = lastusbpacket[0]; for (uindex = 0; uindex < packet_size; uindex++) { USB_DPRINTF_L3(PRINT_MASK_PACKET, usbkbm_log_handle, " %x ", usbpacket[uindex]); } USB_DPRINTF_L3(PRINT_MASK_PACKET, usbkbm_log_handle, " is the usbkeypacket"); /* check to see if modifier keys are different */ if (mkb != lastmkb) { if ((mkb & USB_LSHIFTBIT) != (lastmkb & USB_LSHIFTBIT)) { (*func)(usbkbmd, USB_LSHIFTKEY, (mkb&USB_LSHIFTBIT) ? KEY_PRESSED : KEY_RELEASED); USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "unpack: sending USB_LSHIFTKEY"); } if ((mkb & USB_LCTLBIT) != (lastmkb & USB_LCTLBIT)) { (*func)(usbkbmd, USB_LCTLCKEY, mkb&USB_LCTLBIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_LALTBIT) != (lastmkb & USB_LALTBIT)) { (*func)(usbkbmd, USB_LALTKEY, mkb&USB_LALTBIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_LMETABIT) != (lastmkb & USB_LMETABIT)) { (*func)(usbkbmd, USB_LMETAKEY, mkb&USB_LMETABIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_RMETABIT) != (lastmkb & USB_RMETABIT)) { (*func)(usbkbmd, USB_RMETAKEY, mkb&USB_RMETABIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_RALTBIT) != (lastmkb & USB_RALTBIT)) { (*func)(usbkbmd, USB_RALTKEY, mkb&USB_RALTBIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_RCTLBIT) != (lastmkb & USB_RCTLBIT)) { (*func)(usbkbmd, USB_RCTLCKEY, mkb&USB_RCTLBIT ? KEY_PRESSED : KEY_RELEASED); } if ((mkb & USB_RSHIFTBIT) != (lastmkb & USB_RSHIFTBIT)) { (*func)(usbkbmd, USB_RSHIFTKEY, mkb&USB_RSHIFTBIT ? KEY_PRESSED : KEY_RELEASED); USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "unpack: sending USB_RSHIFTKEY"); } } /* save modifier bits */ lastusbpacket[0] = usbpacket[0]; /* Check Keyboard rollover error. */ if (usbpacket[2] == USB_ERRORROLLOVER) { rollover = 1; for (uindex = 3; uindex < packet_size; uindex++) { if (usbpacket[uindex] != USB_ERRORROLLOVER) { rollover = 0; break; } } if (rollover) { USB_DPRINTF_L3(PRINT_MASK_ALL, usbkbm_log_handle, "unpack: errorrollover"); return; } } /* check for released keys */ for (lindex = 2; lindex < packet_size; lindex++) { int released = 1; if (lastusbpacket[lindex] == 0) { continue; } for (uindex = 2; uindex < packet_size; uindex++) if (usbpacket[uindex] == lastusbpacket[lindex]) { released = 0; break; } if (released) { (*func)(usbkbmd, lastusbpacket[lindex], KEY_RELEASED); } } /* check for new presses */ for (uindex = 2; uindex < packet_size; uindex++) { int newkey = 1; usbkbmd->usbkbm_pendingusbpacket[uindex] = usbpacket[uindex]; if (usbpacket[uindex] == 0) { continue; } for (lindex = 2; lindex < packet_size; lindex++) { if (usbpacket[uindex] == lastusbpacket[lindex]) { newkey = 0; break; } } if (newkey) { /* * Modifier keys can be present as part of both the * first byte and as separate key bytes. In the sec- * ond case ignore it. */ if (!usbkbm_is_modkey(usbpacket[uindex])) { (*func)(usbkbmd, usbpacket[uindex], KEY_PRESSED); } else { usbkbmd->usbkbm_pendingusbpacket[uindex] = 0; continue; } } } /* * Copy the processed key events of the current usb keyboard * packet, which is saved in the usbkbm_pendingusbpacket field * to the usbkbm_lastusbpacket field. */ for (uindex = 2; uindex < USBKBM_MAXPKTSIZE; uindex++) { lastusbpacket[uindex] = usbkbmd->usbkbm_pendingusbpacket[uindex]; usbkbmd->usbkbm_pendingusbpacket[uindex] = 0; } } static boolean_t usbkbm_is_modkey(uchar_t key) { switch (key) { case USB_LSHIFTKEY: case USB_LCTLCKEY: case USB_LALTKEY: case USB_LMETAKEY: case USB_RCTLCKEY: case USB_RSHIFTKEY: case USB_RMETAKEY: case USB_RALTKEY: return (B_TRUE); default: break; } return (B_FALSE); } /* * usbkbm_reioctl : * This function is set up as call-back function should an ioctl fail. * It retries the ioctl */ static void usbkbm_reioctl(void *arg) { usbkbm_state_t *usbkbmd; mblk_t *mp; usbkbmd = (usbkbm_state_t *)arg; usbkbmd->usbkbm_streams_bufcallid = 0; if ((mp = usbkbmd->usbkbm_streams_iocpending) != NULL) { /* not pending any more */ usbkbmd->usbkbm_streams_iocpending = NULL; (void) usbkbm_ioctl(usbkbmd->usbkbm_writeq, mp); } } /* * usbkbm_set_protocol * Issue an M_CTL to hid to set the desired protocol */ static int usbkbm_set_protocol(usbkbm_state_t *usbkbmd, uint16_t protocol) { struct iocblk mctlmsg; hid_req_t buf; mblk_t *mctl_ptr; size_t len = sizeof (buf); queue_t *q = usbkbmd->usbkbm_readq; mctlmsg.ioc_cmd = HID_SET_PROTOCOL; mctlmsg.ioc_count = 0; buf.hid_req_version_no = HID_VERSION_V_0; buf.hid_req_wValue = protocol; buf.hid_req_wLength = 0; mctl_ptr = usba_mk_mctl(mctlmsg, &buf, len); if (mctl_ptr == NULL) { usbkbmd->usbkbm_flags = 0; (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (usbkbm_state_t)); return (ENOMEM); } usbkbmd->usbkbm_flags |= USBKBM_QWAIT; putnext(usbkbmd->usbkbm_writeq, mctl_ptr); while (usbkbmd->usbkbm_flags & USBKBM_QWAIT) { if (qwait_sig(q) == 0) { usbkbmd->usbkbm_flags = 0; (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (usbkbm_state_t)); return (EINTR); } } return (0); } /* * usbkbm_get_vid_pid * Issue a M_CTL to hid to get the device info */ static int usbkbm_get_vid_pid(usbkbm_state_t *usbkbmd) { struct iocblk mctlmsg; mblk_t *mctl_ptr; queue_t *q = usbkbmd->usbkbm_readq; mctlmsg.ioc_cmd = HID_GET_VID_PID; mctlmsg.ioc_count = 0; mctl_ptr = usba_mk_mctl(mctlmsg, NULL, 0); if (mctl_ptr == NULL) { (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (usbkbm_state_t)); return (ENOMEM); } putnext(usbkbmd->usbkbm_writeq, mctl_ptr); usbkbmd->usbkbm_flags |= USBKBM_QWAIT; while (usbkbmd->usbkbm_flags & USBKBM_QWAIT) { if (qwait_sig(q) == 0) { usbkbmd->usbkbm_flags = 0; (void) kbtrans_streams_fini(usbkbmd->usbkbm_kbtrans); qprocsoff(q); kmem_free(usbkbmd, sizeof (usbkbm_state_t)); return (EINTR); } } return (0); }