Subversion Repositories test_project

/*

 * 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);

}