Changes in uspace/srv/hid/console/console.c [b366a6f4:79ae36dd] in mainline
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uspace/srv/hid/console/console.c
rb366a6f4 r79ae36dd 1 1 /* 2 2 * Copyright (c) 2006 Josef Cejka 3 * Copyright (c) 2011 Jiri Svoboda4 3 * All rights reserved. 5 4 * … … 35 34 36 35 #include <libc.h> 37 #include <ipc/ input.h>36 #include <ipc/kbd.h> 38 37 #include <io/keycode.h> 38 #include <ipc/mouse.h> 39 39 #include <ipc/fb.h> 40 40 #include <ipc/services.h> … … 54 54 #include <event.h> 55 55 #include <devmap.h> 56 #include <devmap_obsolete.h> 56 57 #include <fcntl.h> 57 58 #include <vfs/vfs.h> … … 59 60 #include <io/style.h> 60 61 #include <io/screenbuffer.h> 62 #include <inttypes.h> 61 63 62 64 #include "console.h" … … 64 66 #include "keybuffer.h" 65 67 68 // FIXME: remove this header 69 #include <kernel/ipc/ipc_methods.h> 70 66 71 #define NAME "console" 67 72 #define NAMESPACE "term" 68 73 69 /** Session with the input server. */ 70 static async_sess_t *input_sess; 74 /** Interval for checking for new keyboard (1/4s). */ 75 #define HOTPLUG_WATCH_INTERVAL (1000 * 250) 76 77 /* Kernel defines 32 but does not export it. */ 78 #define MAX_IPC_OUTGOING_PHONES 128 79 80 /** To allow proper phone closing. */ 81 static ipc_callid_t driver_phones[MAX_IPC_OUTGOING_PHONES] = { 0 }; 82 83 /** Phone to the keyboard driver. */ 84 static int kbd_phone; 85 86 /** Phone to the mouse driver. */ 87 static int mouse_phone; 71 88 72 89 /** Information about framebuffer */ … … 108 125 static FIBRIL_CONDVAR_INITIALIZE(input_cv); 109 126 110 static FIBRIL_MUTEX_INITIALIZE(big_console_lock);111 112 static void console_serialize_start(void)113 {114 fibril_mutex_lock(&big_console_lock);115 }116 117 static void console_serialize_end(void)118 {119 fibril_mutex_unlock(&big_console_lock);120 }121 122 127 static void curs_visibility(bool visible) 123 128 { … … 150 155 } 151 156 152 static void input_yield(void) 153 { 154 async_exch_t *exch = async_exchange_begin(input_sess); 155 if (exch == NULL) { 156 printf("%s: Failed starting exchange with input device.\n", 157 NAME); 158 return; 159 } 160 161 async_req_0_0(exch, INPUT_YIELD); 162 async_exchange_end(exch); 163 } 164 165 static void input_reclaim(void) 166 { 167 async_exch_t *exch = async_exchange_begin(input_sess); 168 if (exch == NULL) { 169 printf("%s: Failed starting exchange with input device.\n", 170 NAME); 171 return; 172 } 173 174 async_req_0_0(exch, INPUT_RECLAIM); 175 async_exchange_end(exch); 157 static void kbd_yield(void) 158 { 159 async_obsolete_req_0_0(kbd_phone, KBD_YIELD); 160 } 161 162 static void kbd_reclaim(void) 163 { 164 async_obsolete_req_0_0(kbd_phone, KBD_RECLAIM); 176 165 } 177 166 … … 350 339 351 340 if (cons == kernel_console) { 352 console_serialize_start();341 async_obsolete_serialize_start(); 353 342 curs_hide_sync(); 354 343 gcons_in_kernel(); 355 344 screen_yield(); 356 input_yield();357 console_serialize_end();358 359 if ( console_kcon()) {345 kbd_yield(); 346 async_obsolete_serialize_end(); 347 348 if (__SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE)) { 360 349 prev_console = active_console; 361 350 active_console = kernel_console; … … 365 354 366 355 if (cons != kernel_console) { 367 console_serialize_start();356 async_obsolete_serialize_start(); 368 357 369 358 if (active_console == kernel_console) { 370 359 screen_reclaim(); 371 input_reclaim();360 kbd_reclaim(); 372 361 gcons_redraw_console(); 373 362 } … … 420 409 curs_visibility(cons->scr.is_cursor_visible); 421 410 422 console_serialize_end(); 423 } 424 } 425 426 /** Handler for input events */ 427 static void input_events(ipc_callid_t iid, ipc_call_t *icall, void *arg) 411 async_obsolete_serialize_end(); 412 } 413 } 414 415 static void close_driver_phone(ipc_callid_t hash) 416 { 417 int i; 418 for (i = 0; i < MAX_IPC_OUTGOING_PHONES; i++) { 419 if (driver_phones[i] == hash) { 420 printf("Device %" PRIxn " gone.\n", hash); 421 driver_phones[i] = 0; 422 async_obsolete_hangup(i); 423 return; 424 } 425 } 426 } 427 428 /** Handler for keyboard */ 429 static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall) 428 430 { 429 431 /* Ignore parameters, the connection is already opened */ … … 437 439 if (!IPC_GET_IMETHOD(call)) { 438 440 /* TODO: Handle hangup */ 439 async_hangup(input_sess);441 close_driver_phone(iid); 440 442 return; 441 443 } 442 444 443 445 switch (IPC_GET_IMETHOD(call)) { 444 case INPUT_EVENT_KEY:445 /* Got key press/release event*/446 case KBD_EVENT: 447 /* Got event from keyboard driver. */ 446 448 retval = 0; 447 449 ev.type = IPC_GET_ARG1(call); … … 464 466 fibril_mutex_unlock(&input_mutex); 465 467 break; 466 case INPUT_EVENT_MOVE: 467 /* Got pointer move event */ 468 gcons_mouse_move((int) IPC_GET_ARG1(call), 469 (int) IPC_GET_ARG2(call)); 470 retval = 0; 471 break; 472 case INPUT_EVENT_BUTTON: 473 /* Got pointer button press/release event */ 468 default: 469 retval = ENOENT; 470 } 471 async_answer_0(callid, retval); 472 } 473 } 474 475 /** Handler for mouse events */ 476 static void mouse_events(ipc_callid_t iid, ipc_call_t *icall) 477 { 478 /* Ignore parameters, the connection is already opened */ 479 while (true) { 480 ipc_call_t call; 481 ipc_callid_t callid = async_get_call(&call); 482 483 int retval; 484 485 if (!IPC_GET_IMETHOD(call)) { 486 /* TODO: Handle hangup */ 487 close_driver_phone(iid); 488 return; 489 } 490 491 switch (IPC_GET_IMETHOD(call)) { 492 case MEVENT_BUTTON: 474 493 if (IPC_GET_ARG1(call) == 1) { 475 494 int newcon = gcons_mouse_btn((bool) IPC_GET_ARG2(call)); … … 479 498 retval = 0; 480 499 break; 500 case MEVENT_MOVE: 501 gcons_mouse_move((int) IPC_GET_ARG1(call), 502 (int) IPC_GET_ARG2(call)); 503 retval = 0; 504 break; 481 505 default: 482 506 retval = ENOENT; … … 498 522 } 499 523 500 console_serialize_start();524 async_obsolete_serialize_start(); 501 525 502 526 size_t off = 0; … … 506 530 } 507 531 508 console_serialize_end();532 async_obsolete_serialize_end(); 509 533 510 534 gcons_notify_char(cons->index); … … 573 597 574 598 /** Default thread for new connections */ 575 static void client_connection(ipc_callid_t iid, ipc_call_t *icall , void *arg)599 static void client_connection(ipc_callid_t iid, ipc_call_t *icall) 576 600 { 577 601 console_t *cons = NULL; … … 601 625 int rc; 602 626 603 console_serialize_start();627 async_obsolete_serialize_start(); 604 628 if (cons->refcount == 0) 605 629 gcons_notify_connect(cons->index); … … 611 635 612 636 while (true) { 613 console_serialize_end();637 async_obsolete_serialize_end(); 614 638 callid = async_get_call(&call); 615 console_serialize_start();639 async_obsolete_serialize_start(); 616 640 617 641 arg1 = 0; … … 623 647 if (cons->refcount == 0) 624 648 gcons_notify_disconnect(cons->index); 625 console_serialize_end();626 649 return; 627 650 } … … 629 652 switch (IPC_GET_IMETHOD(call)) { 630 653 case VFS_OUT_READ: 631 console_serialize_end();654 async_obsolete_serialize_end(); 632 655 cons_read(cons, callid, &call); 633 console_serialize_start();656 async_obsolete_serialize_start(); 634 657 continue; 635 658 case VFS_OUT_WRITE: 636 console_serialize_end();659 async_obsolete_serialize_end(); 637 660 cons_write(cons, callid, &call); 638 console_serialize_start();661 async_obsolete_serialize_start(); 639 662 continue; 640 663 case VFS_OUT_SYNC: … … 707 730 break; 708 731 case CONSOLE_GET_EVENT: 709 console_serialize_end();732 async_obsolete_serialize_end(); 710 733 cons_get_event(cons, callid, &call); 711 console_serialize_start();734 async_obsolete_serialize_start(); 712 735 continue; 736 case CONSOLE_KCON_ENABLE: 737 change_console(kernel_console); 738 break; 713 739 } 714 740 async_answer_3(callid, EOK, arg1, arg2, arg3); … … 721 747 } 722 748 723 static async_sess_t *connect_input(const char *dev_path) 724 { 725 async_sess_t *sess; 726 async_exch_t *exch; 749 static int async_connect_to_me_hack(int phone, sysarg_t arg1, sysarg_t arg2, 750 sysarg_t arg3, async_client_conn_t client_receiver, ipc_callid_t *hash) 751 { 752 sysarg_t task_hash; 753 sysarg_t phone_hash; 754 int rc = async_obsolete_req_3_5(phone, IPC_M_CONNECT_TO_ME, arg1, arg2, arg3, 755 NULL, NULL, NULL, &task_hash, &phone_hash); 756 if (rc != EOK) 757 return rc; 758 759 if (client_receiver != NULL) 760 async_new_connection(task_hash, phone_hash, phone_hash, NULL, 761 client_receiver); 762 763 if (hash != NULL) 764 *hash = phone_hash; 765 766 return EOK; 767 } 768 769 static int connect_keyboard_or_mouse(const char *devname, 770 async_client_conn_t handler, const char *dev) 771 { 772 int phone; 727 773 devmap_handle_t handle; 728 774 729 int rc = devmap_device_get_handle(dev _path, &handle, 0);775 int rc = devmap_device_get_handle(dev, &handle, 0); 730 776 if (rc == EOK) { 731 sess = devmap_device_connect(EXCHANGE_ATOMIC, handle, 0); 732 if (sess == NULL) { 733 printf("%s: Failed to connect to input server\n", NAME); 734 return NULL; 735 } 736 } else { 737 return NULL; 738 } 739 740 exch = async_exchange_begin(sess); 741 if (exch == NULL) { 742 printf("%s: Failed to create callback from input server.\n", NAME); 743 return NULL; 744 } 777 phone = devmap_obsolete_device_connect(handle, 0); 778 if (phone < 0) { 779 printf("%s: Failed to connect to input device\n", NAME); 780 return phone; 781 } 782 } else 783 return rc; 745 784 746 785 /* NB: The callback connection is slotted for removal */ 747 rc = async_connect_to_me(exch, 0, 0, 0, input_events, NULL); 748 749 async_exchange_end(exch); 750 786 ipc_callid_t hash; 787 rc = async_connect_to_me_hack(phone, SERVICE_CONSOLE, 0, phone, 788 handler, &hash); 751 789 if (rc != EOK) { 752 async_ hangup(sess);753 printf("%s: Failed to create callback from input server(%s).\n",790 async_obsolete_hangup(phone); 791 printf("%s: Failed to create callback from input device (%s).\n", 754 792 NAME, str_error(rc)); 755 return NULL; 756 } 757 758 return sess; 759 } 760 761 static bool console_srv_init(char *input_dev) 762 { 763 /* Connect to input server */ 764 input_sess = connect_input(input_dev); 765 if (input_sess == NULL) 793 return rc; 794 } 795 796 driver_phones[phone] = hash; 797 printf("%s: found %s \"%s\" (%" PRIxn ").\n", NAME, devname, dev, hash); 798 return phone; 799 } 800 801 static int connect_keyboard(const char *dev) 802 { 803 return connect_keyboard_or_mouse("keyboard", keyboard_events, dev); 804 } 805 806 static int connect_mouse(const char *dev) 807 { 808 return connect_keyboard_or_mouse("mouse", mouse_events, dev); 809 } 810 811 struct hid_class_info { 812 char *classname; 813 int (*connection_func)(const char *); 814 }; 815 816 /** Periodically check for new keyboards in /dev/class/. 817 * 818 * @param arg Class name. 819 * 820 * @return This function should never exit. 821 * 822 */ 823 static int check_new_device_fibril(void *arg) 824 { 825 struct hid_class_info *dev_info = (struct hid_class_info *) arg; 826 827 size_t index = 1; 828 829 while (true) { 830 async_usleep(HOTPLUG_WATCH_INTERVAL); 831 832 char *dev; 833 int rc = asprintf(&dev, "class/%s\\%zu", 834 dev_info->classname, index); 835 if (rc < 0) 836 continue; 837 838 rc = dev_info->connection_func(dev); 839 if (rc > 0) { 840 /* We do not allow unplug. */ 841 index++; 842 } 843 844 free(dev); 845 } 846 847 return EOK; 848 } 849 850 /** Start a fibril monitoring hot-plugged keyboards. 851 */ 852 static void check_new_devices_in_background(int (*connection_func)(const char *), 853 const char *classname) 854 { 855 struct hid_class_info *dev_info = malloc(sizeof(struct hid_class_info)); 856 if (dev_info == NULL) { 857 printf("%s: Out of memory, no hot-plug support.\n", NAME); 858 return; 859 } 860 861 int rc = asprintf(&dev_info->classname, "%s", classname); 862 if (rc < 0) { 863 printf("%s: Failed to format classname: %s.\n", NAME, 864 str_error(rc)); 865 return; 866 } 867 868 dev_info->connection_func = connection_func; 869 870 fid_t fid = fibril_create(check_new_device_fibril, (void *) dev_info); 871 if (!fid) { 872 printf("%s: Failed to create hot-plug fibril for %s.\n", NAME, 873 classname); 874 return; 875 } 876 877 fibril_add_ready(fid); 878 } 879 880 static bool console_srv_init(char *kdev) 881 { 882 /* Connect to input device */ 883 kbd_phone = connect_keyboard(kdev); 884 if (kbd_phone < 0) 766 885 return false; 886 887 mouse_phone = connect_mouse("hid_in/mouse"); 888 if (mouse_phone < 0) { 889 printf("%s: Failed to connect to mouse device %s\n", NAME, 890 str_error(mouse_phone)); 891 } 767 892 768 893 /* Connect to framebuffer driver */ … … 830 955 } 831 956 957 /* Disable kernel output to the console */ 958 __SYSCALL0(SYS_DEBUG_DISABLE_CONSOLE); 959 832 960 /* Initialize the screen */ 833 console_serialize_start();961 async_obsolete_serialize_start(); 834 962 gcons_redraw_console(); 835 963 set_style(STYLE_NORMAL); … … 837 965 curs_goto(0, 0); 838 966 curs_visibility(active_console->scr.is_cursor_visible); 839 console_serialize_end();967 async_obsolete_serialize_end(); 840 968 841 969 /* Receive kernel notifications */ … … 844 972 printf("%s: Error registering kconsole notifications\n", NAME); 845 973 974 /* Start fibril for checking on hot-plugged keyboards. */ 975 check_new_devices_in_background(connect_keyboard, "keyboard"); 976 check_new_devices_in_background(connect_mouse, "mouse"); 977 846 978 return true; 847 979 } … … 849 981 static void usage(void) 850 982 { 851 printf("Usage: console <input _dev>\n");983 printf("Usage: console <input>\n"); 852 984 } 853 985
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