269 lines
9.3 KiB
C
269 lines
9.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* IBM ASM Service Processor Device Driver
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*
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* Copyright (C) IBM Corporation, 2004
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*
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* Authors: Max Asböck <amax@us.ibm.com>
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* Vernon Mauery <vernux@us.ibm.com>
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*/
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/* Remote mouse and keyboard event handling functions */
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#include <linux/pci.h>
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#include "ibmasm.h"
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#include "remote.h"
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#define MOUSE_X_MAX 1600
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#define MOUSE_Y_MAX 1200
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static const unsigned short xlate_high[XLATE_SIZE] = {
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[KEY_SYM_ENTER & 0xff] = KEY_ENTER,
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[KEY_SYM_KPSLASH & 0xff] = KEY_KPSLASH,
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[KEY_SYM_KPSTAR & 0xff] = KEY_KPASTERISK,
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[KEY_SYM_KPMINUS & 0xff] = KEY_KPMINUS,
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[KEY_SYM_KPDOT & 0xff] = KEY_KPDOT,
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[KEY_SYM_KPPLUS & 0xff] = KEY_KPPLUS,
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[KEY_SYM_KP0 & 0xff] = KEY_KP0,
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[KEY_SYM_KP1 & 0xff] = KEY_KP1,
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[KEY_SYM_KP2 & 0xff] = KEY_KP2, [KEY_SYM_KPDOWN & 0xff] = KEY_KP2,
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[KEY_SYM_KP3 & 0xff] = KEY_KP3,
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[KEY_SYM_KP4 & 0xff] = KEY_KP4, [KEY_SYM_KPLEFT & 0xff] = KEY_KP4,
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[KEY_SYM_KP5 & 0xff] = KEY_KP5,
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[KEY_SYM_KP6 & 0xff] = KEY_KP6, [KEY_SYM_KPRIGHT & 0xff] = KEY_KP6,
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[KEY_SYM_KP7 & 0xff] = KEY_KP7,
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[KEY_SYM_KP8 & 0xff] = KEY_KP8, [KEY_SYM_KPUP & 0xff] = KEY_KP8,
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[KEY_SYM_KP9 & 0xff] = KEY_KP9,
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[KEY_SYM_BK_SPC & 0xff] = KEY_BACKSPACE,
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[KEY_SYM_TAB & 0xff] = KEY_TAB,
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[KEY_SYM_CTRL & 0xff] = KEY_LEFTCTRL,
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[KEY_SYM_ALT & 0xff] = KEY_LEFTALT,
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[KEY_SYM_INSERT & 0xff] = KEY_INSERT,
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[KEY_SYM_DELETE & 0xff] = KEY_DELETE,
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[KEY_SYM_SHIFT & 0xff] = KEY_LEFTSHIFT,
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[KEY_SYM_UARROW & 0xff] = KEY_UP,
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[KEY_SYM_DARROW & 0xff] = KEY_DOWN,
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[KEY_SYM_LARROW & 0xff] = KEY_LEFT,
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[KEY_SYM_RARROW & 0xff] = KEY_RIGHT,
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[KEY_SYM_ESCAPE & 0xff] = KEY_ESC,
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[KEY_SYM_PAGEUP & 0xff] = KEY_PAGEUP,
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[KEY_SYM_PAGEDOWN & 0xff] = KEY_PAGEDOWN,
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[KEY_SYM_HOME & 0xff] = KEY_HOME,
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[KEY_SYM_END & 0xff] = KEY_END,
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[KEY_SYM_F1 & 0xff] = KEY_F1,
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[KEY_SYM_F2 & 0xff] = KEY_F2,
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[KEY_SYM_F3 & 0xff] = KEY_F3,
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[KEY_SYM_F4 & 0xff] = KEY_F4,
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[KEY_SYM_F5 & 0xff] = KEY_F5,
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[KEY_SYM_F6 & 0xff] = KEY_F6,
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[KEY_SYM_F7 & 0xff] = KEY_F7,
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[KEY_SYM_F8 & 0xff] = KEY_F8,
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[KEY_SYM_F9 & 0xff] = KEY_F9,
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[KEY_SYM_F10 & 0xff] = KEY_F10,
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[KEY_SYM_F11 & 0xff] = KEY_F11,
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[KEY_SYM_F12 & 0xff] = KEY_F12,
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[KEY_SYM_CAP_LOCK & 0xff] = KEY_CAPSLOCK,
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[KEY_SYM_NUM_LOCK & 0xff] = KEY_NUMLOCK,
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[KEY_SYM_SCR_LOCK & 0xff] = KEY_SCROLLLOCK,
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};
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static const unsigned short xlate[XLATE_SIZE] = {
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[NO_KEYCODE] = KEY_RESERVED,
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[KEY_SYM_SPACE] = KEY_SPACE,
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[KEY_SYM_TILDE] = KEY_GRAVE, [KEY_SYM_BKTIC] = KEY_GRAVE,
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[KEY_SYM_ONE] = KEY_1, [KEY_SYM_BANG] = KEY_1,
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[KEY_SYM_TWO] = KEY_2, [KEY_SYM_AT] = KEY_2,
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[KEY_SYM_THREE] = KEY_3, [KEY_SYM_POUND] = KEY_3,
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[KEY_SYM_FOUR] = KEY_4, [KEY_SYM_DOLLAR] = KEY_4,
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[KEY_SYM_FIVE] = KEY_5, [KEY_SYM_PERCENT] = KEY_5,
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[KEY_SYM_SIX] = KEY_6, [KEY_SYM_CARAT] = KEY_6,
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[KEY_SYM_SEVEN] = KEY_7, [KEY_SYM_AMPER] = KEY_7,
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[KEY_SYM_EIGHT] = KEY_8, [KEY_SYM_STAR] = KEY_8,
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[KEY_SYM_NINE] = KEY_9, [KEY_SYM_LPAREN] = KEY_9,
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[KEY_SYM_ZERO] = KEY_0, [KEY_SYM_RPAREN] = KEY_0,
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[KEY_SYM_MINUS] = KEY_MINUS, [KEY_SYM_USCORE] = KEY_MINUS,
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[KEY_SYM_EQUAL] = KEY_EQUAL, [KEY_SYM_PLUS] = KEY_EQUAL,
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[KEY_SYM_LBRKT] = KEY_LEFTBRACE, [KEY_SYM_LCURLY] = KEY_LEFTBRACE,
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[KEY_SYM_RBRKT] = KEY_RIGHTBRACE, [KEY_SYM_RCURLY] = KEY_RIGHTBRACE,
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[KEY_SYM_SLASH] = KEY_BACKSLASH, [KEY_SYM_PIPE] = KEY_BACKSLASH,
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[KEY_SYM_TIC] = KEY_APOSTROPHE, [KEY_SYM_QUOTE] = KEY_APOSTROPHE,
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[KEY_SYM_SEMIC] = KEY_SEMICOLON, [KEY_SYM_COLON] = KEY_SEMICOLON,
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[KEY_SYM_COMMA] = KEY_COMMA, [KEY_SYM_LT] = KEY_COMMA,
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[KEY_SYM_PERIOD] = KEY_DOT, [KEY_SYM_GT] = KEY_DOT,
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[KEY_SYM_BSLASH] = KEY_SLASH, [KEY_SYM_QMARK] = KEY_SLASH,
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[KEY_SYM_A] = KEY_A, [KEY_SYM_a] = KEY_A,
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[KEY_SYM_B] = KEY_B, [KEY_SYM_b] = KEY_B,
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[KEY_SYM_C] = KEY_C, [KEY_SYM_c] = KEY_C,
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[KEY_SYM_D] = KEY_D, [KEY_SYM_d] = KEY_D,
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[KEY_SYM_E] = KEY_E, [KEY_SYM_e] = KEY_E,
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[KEY_SYM_F] = KEY_F, [KEY_SYM_f] = KEY_F,
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[KEY_SYM_G] = KEY_G, [KEY_SYM_g] = KEY_G,
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[KEY_SYM_H] = KEY_H, [KEY_SYM_h] = KEY_H,
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[KEY_SYM_I] = KEY_I, [KEY_SYM_i] = KEY_I,
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[KEY_SYM_J] = KEY_J, [KEY_SYM_j] = KEY_J,
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[KEY_SYM_K] = KEY_K, [KEY_SYM_k] = KEY_K,
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[KEY_SYM_L] = KEY_L, [KEY_SYM_l] = KEY_L,
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[KEY_SYM_M] = KEY_M, [KEY_SYM_m] = KEY_M,
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[KEY_SYM_N] = KEY_N, [KEY_SYM_n] = KEY_N,
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[KEY_SYM_O] = KEY_O, [KEY_SYM_o] = KEY_O,
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[KEY_SYM_P] = KEY_P, [KEY_SYM_p] = KEY_P,
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[KEY_SYM_Q] = KEY_Q, [KEY_SYM_q] = KEY_Q,
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[KEY_SYM_R] = KEY_R, [KEY_SYM_r] = KEY_R,
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[KEY_SYM_S] = KEY_S, [KEY_SYM_s] = KEY_S,
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[KEY_SYM_T] = KEY_T, [KEY_SYM_t] = KEY_T,
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[KEY_SYM_U] = KEY_U, [KEY_SYM_u] = KEY_U,
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[KEY_SYM_V] = KEY_V, [KEY_SYM_v] = KEY_V,
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[KEY_SYM_W] = KEY_W, [KEY_SYM_w] = KEY_W,
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[KEY_SYM_X] = KEY_X, [KEY_SYM_x] = KEY_X,
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[KEY_SYM_Y] = KEY_Y, [KEY_SYM_y] = KEY_Y,
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[KEY_SYM_Z] = KEY_Z, [KEY_SYM_z] = KEY_Z,
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};
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static void print_input(struct remote_input *input)
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{
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if (input->type == INPUT_TYPE_MOUSE) {
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unsigned char buttons = input->mouse_buttons;
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dbg("remote mouse movement: (x,y)=(%d,%d)%s%s%s%s\n",
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input->data.mouse.x, input->data.mouse.y,
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(buttons) ? " -- buttons:" : "",
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(buttons & REMOTE_BUTTON_LEFT) ? "left " : "",
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(buttons & REMOTE_BUTTON_MIDDLE) ? "middle " : "",
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(buttons & REMOTE_BUTTON_RIGHT) ? "right" : ""
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);
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} else {
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dbg("remote keypress (code, flag, down):"
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"%d (0x%x) [0x%x] [0x%x]\n",
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input->data.keyboard.key_code,
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input->data.keyboard.key_code,
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input->data.keyboard.key_flag,
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input->data.keyboard.key_down
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);
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}
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}
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static void send_mouse_event(struct input_dev *dev, struct remote_input *input)
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{
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unsigned char buttons = input->mouse_buttons;
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input_report_abs(dev, ABS_X, input->data.mouse.x);
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input_report_abs(dev, ABS_Y, input->data.mouse.y);
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input_report_key(dev, BTN_LEFT, buttons & REMOTE_BUTTON_LEFT);
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input_report_key(dev, BTN_MIDDLE, buttons & REMOTE_BUTTON_MIDDLE);
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input_report_key(dev, BTN_RIGHT, buttons & REMOTE_BUTTON_RIGHT);
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input_sync(dev);
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}
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static void send_keyboard_event(struct input_dev *dev,
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struct remote_input *input)
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{
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unsigned int key;
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unsigned short code = input->data.keyboard.key_code;
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if (code & 0xff00)
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key = xlate_high[code & 0xff];
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else
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key = xlate[code];
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input_report_key(dev, key, input->data.keyboard.key_down);
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input_sync(dev);
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}
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void ibmasm_handle_mouse_interrupt(struct service_processor *sp)
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{
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unsigned long reader;
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unsigned long writer;
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struct remote_input input;
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reader = get_queue_reader(sp);
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writer = get_queue_writer(sp);
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while (reader != writer) {
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memcpy_fromio(&input, get_queue_entry(sp, reader),
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sizeof(struct remote_input));
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print_input(&input);
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if (input.type == INPUT_TYPE_MOUSE) {
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send_mouse_event(sp->remote.mouse_dev, &input);
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} else if (input.type == INPUT_TYPE_KEYBOARD) {
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send_keyboard_event(sp->remote.keybd_dev, &input);
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} else
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break;
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reader = advance_queue_reader(sp, reader);
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writer = get_queue_writer(sp);
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}
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}
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int ibmasm_init_remote_input_dev(struct service_processor *sp)
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{
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/* set up the mouse input device */
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struct input_dev *mouse_dev, *keybd_dev;
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struct pci_dev *pdev = to_pci_dev(sp->dev);
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int error = -ENOMEM;
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int i;
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sp->remote.mouse_dev = mouse_dev = input_allocate_device();
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sp->remote.keybd_dev = keybd_dev = input_allocate_device();
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if (!mouse_dev || !keybd_dev)
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goto err_free_devices;
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mouse_dev->id.bustype = BUS_PCI;
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mouse_dev->id.vendor = pdev->vendor;
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mouse_dev->id.product = pdev->device;
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mouse_dev->id.version = 1;
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mouse_dev->dev.parent = sp->dev;
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mouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
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mouse_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
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BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
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set_bit(BTN_TOUCH, mouse_dev->keybit);
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mouse_dev->name = "ibmasm RSA I remote mouse";
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input_set_abs_params(mouse_dev, ABS_X, 0, MOUSE_X_MAX, 0, 0);
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input_set_abs_params(mouse_dev, ABS_Y, 0, MOUSE_Y_MAX, 0, 0);
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keybd_dev->id.bustype = BUS_PCI;
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keybd_dev->id.vendor = pdev->vendor;
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keybd_dev->id.product = pdev->device;
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keybd_dev->id.version = 2;
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keybd_dev->dev.parent = sp->dev;
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keybd_dev->evbit[0] = BIT_MASK(EV_KEY);
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keybd_dev->name = "ibmasm RSA I remote keyboard";
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for (i = 0; i < XLATE_SIZE; i++) {
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if (xlate_high[i])
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set_bit(xlate_high[i], keybd_dev->keybit);
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if (xlate[i])
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set_bit(xlate[i], keybd_dev->keybit);
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}
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error = input_register_device(mouse_dev);
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if (error)
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goto err_free_devices;
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error = input_register_device(keybd_dev);
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if (error)
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goto err_unregister_mouse_dev;
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enable_mouse_interrupts(sp);
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printk(KERN_INFO "ibmasm remote responding to events on RSA card %d\n", sp->number);
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return 0;
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err_unregister_mouse_dev:
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input_unregister_device(mouse_dev);
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mouse_dev = NULL; /* so we don't try to free it again below */
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err_free_devices:
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input_free_device(mouse_dev);
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input_free_device(keybd_dev);
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return error;
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}
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void ibmasm_free_remote_input_dev(struct service_processor *sp)
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{
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disable_mouse_interrupts(sp);
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input_unregister_device(sp->remote.mouse_dev);
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input_unregister_device(sp->remote.keybd_dev);
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}
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