1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
/*
* 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"
static int xmax = 1600;
static int ymax = 1200;
static 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 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 char remote_mouse_name[] = "ibmasm RSA I remote mouse";
static char remote_keybd_name[] = "ibmasm RSA I remote keyboard";
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 pt_regs *regs,
struct remote_input *input)
{
unsigned char buttons = input->mouse_buttons;
input_regs(dev, regs);
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 pt_regs *regs,
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_regs(dev, regs);
input_report_key(dev, key, (input->data.keyboard.key_down) ? 1 : 0);
input_sync(dev);
}
void ibmasm_handle_mouse_interrupt(struct service_processor *sp,
struct pt_regs *regs)
{
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, regs, &input);
} else if (input.type == INPUT_TYPE_KEYBOARD) {
send_keyboard_event(sp->remote.keybd_dev, regs, &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->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
mouse_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) |
BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
set_bit(BTN_TOUCH, mouse_dev->keybit);
mouse_dev->name = remote_mouse_name;
input_set_abs_params(mouse_dev, ABS_X, 0, xmax, 0, 0);
input_set_abs_params(mouse_dev, ABS_Y, 0, ymax, 0, 0);
mouse_dev->id.bustype = BUS_PCI;
keybd_dev->id.vendor = pdev->vendor;
keybd_dev->id.product = pdev->device;
mouse_dev->id.version = 2;
keybd_dev->evbit[0] = BIT(EV_KEY);
keybd_dev->name = remote_keybd_name;
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);
}
|
