| /* |
| * 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 <amax@us.ibm.com> |
| * Vernon Mauery <vernux@us.ibm.com> |
| * |
| */ |
| |
| /* Remote mouse and keyboard event handling functions */ |
| |
| #include <linux/pci.h> |
| #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); |
| } |
| |