/* * IBM ASM Service Processor Device Driver * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Copyright (C) IBM Corporation, 2004 * * Authors: Max Asböck * Vernon Mauery * */ /* Remote mouse and keyboard event handling functions */ #include #include "ibmasm.h" #include "remote.h" #define MOUSE_X_MAX 1600 #define MOUSE_Y_MAX 1200 static const unsigned short xlate_high[XLATE_SIZE] = { [KEY_SYM_ENTER & 0xff] = KEY_ENTER, [KEY_SYM_KPSLASH & 0xff] = KEY_KPSLASH, [KEY_SYM_KPSTAR & 0xff] = KEY_KPASTERISK, [KEY_SYM_KPMINUS & 0xff] = KEY_KPMINUS, [KEY_SYM_KPDOT & 0xff] = KEY_KPDOT, [KEY_SYM_KPPLUS & 0xff] = KEY_KPPLUS, [KEY_SYM_KP0 & 0xff] = KEY_KP0, [KEY_SYM_KP1 & 0xff] = KEY_KP1, [KEY_SYM_KP2 & 0xff] = KEY_KP2, [KEY_SYM_KPDOWN & 0xff] = KEY_KP2, [KEY_SYM_KP3 & 0xff] = KEY_KP3, [KEY_SYM_KP4 & 0xff] = KEY_KP4, [KEY_SYM_KPLEFT & 0xff] = KEY_KP4, [KEY_SYM_KP5 & 0xff] = KEY_KP5, [KEY_SYM_KP6 & 0xff] = KEY_KP6, [KEY_SYM_KPRIGHT & 0xff] = KEY_KP6, [KEY_SYM_KP7 & 0xff] = KEY_KP7, [KEY_SYM_KP8 & 0xff] = KEY_KP8, [KEY_SYM_KPUP & 0xff] = KEY_KP8, [KEY_SYM_KP9 & 0xff] = KEY_KP9, [KEY_SYM_BK_SPC & 0xff] = KEY_BACKSPACE, [KEY_SYM_TAB & 0xff] = KEY_TAB, [KEY_SYM_CTRL & 0xff] = KEY_LEFTCTRL, [KEY_SYM_ALT & 0xff] = KEY_LEFTALT, [KEY_SYM_INSERT & 0xff] = KEY_INSERT, [KEY_SYM_DELETE & 0xff] = KEY_DELETE, [KEY_SYM_SHIFT & 0xff] = KEY_LEFTSHIFT, [KEY_SYM_UARROW & 0xff] = KEY_UP, [KEY_SYM_DARROW & 0xff] = KEY_DOWN, [KEY_SYM_LARROW & 0xff] = KEY_LEFT, [KEY_SYM_RARROW & 0xff] = KEY_RIGHT, [KEY_SYM_ESCAPE & 0xff] = KEY_ESC, [KEY_SYM_PAGEUP & 0xff] = KEY_PAGEUP, [KEY_SYM_PAGEDOWN & 0xff] = KEY_PAGEDOWN, [KEY_SYM_HOME & 0xff] = KEY_HOME, [KEY_SYM_END & 0xff] = KEY_END, [KEY_SYM_F1 & 0xff] = KEY_F1, [KEY_SYM_F2 & 0xff] = KEY_F2, [KEY_SYM_F3 & 0xff] = KEY_F3, [KEY_SYM_F4 & 0xff] = KEY_F4, [KEY_SYM_F5 & 0xff] = KEY_F5, [KEY_SYM_F6 & 0xff] = KEY_F6, [KEY_SYM_F7 & 0xff] = KEY_F7, [KEY_SYM_F8 & 0xff] = KEY_F8, [KEY_SYM_F9 & 0xff] = KEY_F9, [KEY_SYM_F10 & 0xff] = KEY_F10, [KEY_SYM_F11 & 0xff] = KEY_F11, [KEY_SYM_F12 & 0xff] = KEY_F12, [KEY_SYM_CAP_LOCK & 0xff] = KEY_CAPSLOCK, [KEY_SYM_NUM_LOCK & 0xff] = KEY_NUMLOCK, [KEY_SYM_SCR_LOCK & 0xff] = KEY_SCROLLLOCK, }; static const unsigned short xlate[XLATE_SIZE] = { [NO_KEYCODE] = KEY_RESERVED, [KEY_SYM_SPACE] = KEY_SPACE, [KEY_SYM_TILDE] = KEY_GRAVE, [KEY_SYM_BKTIC] = KEY_GRAVE, [KEY_SYM_ONE] = KEY_1, [KEY_SYM_BANG] = KEY_1, [KEY_SYM_TWO] = KEY_2, [KEY_SYM_AT] = KEY_2, [KEY_SYM_THREE] = KEY_3, [KEY_SYM_POUND] = KEY_3, [KEY_SYM_FOUR] = KEY_4, [KEY_SYM_DOLLAR] = KEY_4, [KEY_SYM_FIVE] = KEY_5, [KEY_SYM_PERCENT] = KEY_5, [KEY_SYM_SIX] = KEY_6, [KEY_SYM_CARAT] = KEY_6, [KEY_SYM_SEVEN] = KEY_7, [KEY_SYM_AMPER] = KEY_7, [KEY_SYM_EIGHT] = KEY_8, [KEY_SYM_STAR] = KEY_8, [KEY_SYM_NINE] = KEY_9, [KEY_SYM_LPAREN] = KEY_9, [KEY_SYM_ZERO] = KEY_0, [KEY_SYM_RPAREN] = KEY_0, [KEY_SYM_MINUS] = KEY_MINUS, [KEY_SYM_USCORE] = KEY_MINUS, [KEY_SYM_EQUAL] = KEY_EQUAL, [KEY_SYM_PLUS] = KEY_EQUAL, [KEY_SYM_LBRKT] = KEY_LEFTBRACE, [KEY_SYM_LCURLY] = KEY_LEFTBRACE, [KEY_SYM_RBRKT] = KEY_RIGHTBRACE, [KEY_SYM_RCURLY] = KEY_RIGHTBRACE, [KEY_SYM_SLASH] = KEY_BACKSLASH, [KEY_SYM_PIPE] = KEY_BACKSLASH, [KEY_SYM_TIC] = KEY_APOSTROPHE, [KEY_SYM_QUOTE] = KEY_APOSTROPHE, [KEY_SYM_SEMIC] = KEY_SEMICOLON, [KEY_SYM_COLON] = KEY_SEMICOLON, [KEY_SYM_COMMA] = KEY_COMMA, [KEY_SYM_LT] = KEY_COMMA, [KEY_SYM_PERIOD] = KEY_DOT, [KEY_SYM_GT] = KEY_DOT, [KEY_SYM_BSLASH] = KEY_SLASH, [KEY_SYM_QMARK] = KEY_SLASH, [KEY_SYM_A] = KEY_A, [KEY_SYM_a] = KEY_A, [KEY_SYM_B] = KEY_B, [KEY_SYM_b] = KEY_B, [KEY_SYM_C] = KEY_C, [KEY_SYM_c] = KEY_C, [KEY_SYM_D] = KEY_D, [KEY_SYM_d] = KEY_D, [KEY_SYM_E] = KEY_E, [KEY_SYM_e] = KEY_E, [KEY_SYM_F] = KEY_F, [KEY_SYM_f] = KEY_F, [KEY_SYM_G] = KEY_G, [KEY_SYM_g] = KEY_G, [KEY_SYM_H] = KEY_H, [KEY_SYM_h] = KEY_H, [KEY_SYM_I] = KEY_I, [KEY_SYM_i] = KEY_I, [KEY_SYM_J] = KEY_J, [KEY_SYM_j] = KEY_J, [KEY_SYM_K] = KEY_K, [KEY_SYM_k] = KEY_K, [KEY_SYM_L] = KEY_L, [KEY_SYM_l] = KEY_L, [KEY_SYM_M] = KEY_M, [KEY_SYM_m] = KEY_M, [KEY_SYM_N] = KEY_N, [KEY_SYM_n] = KEY_N, [KEY_SYM_O] = KEY_O, [KEY_SYM_o] = KEY_O, [KEY_SYM_P] = KEY_P, [KEY_SYM_p] = KEY_P, [KEY_SYM_Q] = KEY_Q, [KEY_SYM_q] = KEY_Q, [KEY_SYM_R] = KEY_R, [KEY_SYM_r] = KEY_R, [KEY_SYM_S] = KEY_S, [KEY_SYM_s] = KEY_S, [KEY_SYM_T] = KEY_T, [KEY_SYM_t] = KEY_T, [KEY_SYM_U] = KEY_U, [KEY_SYM_u] = KEY_U, [KEY_SYM_V] = KEY_V, [KEY_SYM_v] = KEY_V, [KEY_SYM_W] = KEY_W, [KEY_SYM_w] = KEY_W, [KEY_SYM_X] = KEY_X, [KEY_SYM_x] = KEY_X, [KEY_SYM_Y] = KEY_Y, [KEY_SYM_y] = KEY_Y, [KEY_SYM_Z] = KEY_Z, [KEY_SYM_z] = KEY_Z, }; static void print_input(struct remote_input *input) { if (input->type == INPUT_TYPE_MOUSE) { unsigned char buttons = input->mouse_buttons; dbg("remote mouse movement: (x,y)=(%d,%d)%s%s%s%s\n", input->data.mouse.x, input->data.mouse.y, (buttons) ? " -- buttons:" : "", (buttons & REMOTE_BUTTON_LEFT) ? "left " : "", (buttons & REMOTE_BUTTON_MIDDLE) ? "middle " : "", (buttons & REMOTE_BUTTON_RIGHT) ? "right" : "" ); } else { dbg("remote keypress (code, flag, down):" "%d (0x%x) [0x%x] [0x%x]\n", input->data.keyboard.key_code, input->data.keyboard.key_code, input->data.keyboard.key_flag, input->data.keyboard.key_down ); } } static void send_mouse_event(struct input_dev *dev, struct remote_input *input) { unsigned char buttons = input->mouse_buttons; input_report_abs(dev, ABS_X, input->data.mouse.x); input_report_abs(dev, ABS_Y, input->data.mouse.y); input_report_key(dev, BTN_LEFT, buttons & REMOTE_BUTTON_LEFT); input_report_key(dev, BTN_MIDDLE, buttons & REMOTE_BUTTON_MIDDLE); input_report_key(dev, BTN_RIGHT, buttons & REMOTE_BUTTON_RIGHT); input_sync(dev); } static void send_keyboard_event(struct input_dev *dev, struct remote_input *input) { unsigned int key; unsigned short code = input->data.keyboard.key_code; if (code & 0xff00) key = xlate_high[code & 0xff]; else key = xlate[code]; input_report_key(dev, key, input->data.keyboard.key_down); input_sync(dev); } void ibmasm_handle_mouse_interrupt(struct service_processor *sp) { unsigned long reader; unsigned long writer; struct remote_input input; reader = get_queue_reader(sp); writer = get_queue_writer(sp); while (reader != writer) { memcpy_fromio(&input, get_queue_entry(sp, reader), sizeof(struct remote_input)); print_input(&input); if (input.type == INPUT_TYPE_MOUSE) { send_mouse_event(sp->remote.mouse_dev, &input); } else if (input.type == INPUT_TYPE_KEYBOARD) { send_keyboard_event(sp->remote.keybd_dev, &input); } else break; reader = advance_queue_reader(sp, reader); writer = get_queue_writer(sp); } } int ibmasm_init_remote_input_dev(struct service_processor *sp) { /* set up the mouse input device */ struct input_dev *mouse_dev, *keybd_dev; struct pci_dev *pdev = to_pci_dev(sp->dev); int error = -ENOMEM; int i; sp->remote.mouse_dev = mouse_dev = input_allocate_device(); sp->remote.keybd_dev = keybd_dev = input_allocate_device(); if (!mouse_dev || !keybd_dev) goto err_free_devices; mouse_dev->id.bustype = BUS_PCI; mouse_dev->id.vendor = pdev->vendor; mouse_dev->id.product = pdev->device; mouse_dev->id.version = 1; mouse_dev->dev.parent = sp->dev; mouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); mouse_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); set_bit(BTN_TOUCH, mouse_dev->keybit); mouse_dev->name = "ibmasm RSA I remote mouse"; input_set_abs_params(mouse_dev, ABS_X, 0, MOUSE_X_MAX, 0, 0); input_set_abs_params(mouse_dev, ABS_Y, 0, MOUSE_Y_MAX, 0, 0); keybd_dev->id.bustype = BUS_PCI; keybd_dev->id.vendor = pdev->vendor; keybd_dev->id.product = pdev->device; keybd_dev->id.version = 2; keybd_dev->dev.parent = sp->dev; keybd_dev->evbit[0] = BIT_MASK(EV_KEY); keybd_dev->name = "ibmasm RSA I remote keyboard"; for (i = 0; i < XLATE_SIZE; i++) { if (xlate_high[i]) set_bit(xlate_high[i], keybd_dev->keybit); if (xlate[i]) set_bit(xlate[i], keybd_dev->keybit); } error = input_register_device(mouse_dev); if (error) goto err_free_devices; error = input_register_device(keybd_dev); if (error) goto err_unregister_mouse_dev; enable_mouse_interrupts(sp); printk(KERN_INFO "ibmasm remote responding to events on RSA card %d\n", sp->number); return 0; err_unregister_mouse_dev: input_unregister_device(mouse_dev); mouse_dev = NULL; /* so we don't try to free it again below */ err_free_devices: input_free_device(mouse_dev); input_free_device(keybd_dev); return error; } void ibmasm_free_remote_input_dev(struct service_processor *sp) { disable_mouse_interrupts(sp); input_unregister_device(sp->remote.mouse_dev); input_unregister_device(sp->remote.keybd_dev); }