[PATCH] ibmasm driver: fix race in command refcount logic
[linux-2.6.git] / drivers / misc / ibmasm / remote.h
1
2 /*
3  * IBM ASM Service Processor Device Driver
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  *
19  * Copyright (C) IBM Corporation, 2004
20  *
21  * Author: Max Asböck <amax@us.ibm.com> 
22  *
23  * Orignally written by Pete Reynolds
24  */
25
26 #ifndef _IBMASM_REMOTE_H_
27 #define _IBMASM_REMOTE_H_
28
29 #include <asm/io.h>
30
31 /* pci offsets */
32 #define CONDOR_MOUSE_DATA               0x000AC000
33 #define CONDOR_MOUSE_ISR_CONTROL        0x00
34 #define CONDOR_MOUSE_ISR_STATUS         0x04
35 #define CONDOR_MOUSE_Q_READER           0x08
36 #define CONDOR_MOUSE_Q_WRITER           0x0C
37 #define CONDOR_MOUSE_Q_BEGIN            0x10
38 #define CONDOR_MOUSE_MAX_X              0x14
39 #define CONDOR_MOUSE_MAX_Y              0x18
40
41 #define CONDOR_INPUT_DESKTOP_INFO       0x1F0
42 #define CONDOR_INPUT_DISPLAY_RESX       0x1F4
43 #define CONDOR_INPUT_DISPLAY_RESY       0x1F8
44 #define CONDOR_INPUT_DISPLAY_BITS       0x1FC
45 #define CONDOR_OUTPUT_VNC_STATUS        0x200
46
47 #define CONDOR_MOUSE_INTR_STATUS_MASK   0x00000001
48
49 #define INPUT_TYPE_MOUSE        0x1
50 #define INPUT_TYPE_KEYBOARD     0x2
51
52
53 /* mouse button states received from SP */
54 #define REMOTE_DOUBLE_CLICK     0xF0
55 #define REMOTE_BUTTON_LEFT      0x01
56 #define REMOTE_BUTTON_MIDDLE    0x02
57 #define REMOTE_BUTTON_RIGHT     0x04
58
59 /* size of keysym/keycode translation matricies */
60 #define XLATE_SIZE 256
61
62 struct mouse_input {
63         unsigned short  y;
64         unsigned short  x;
65 };
66
67
68 struct keyboard_input {
69         unsigned short  key_code;
70         unsigned char   key_flag;
71         unsigned char   key_down;
72 };
73
74
75
76 struct remote_input { 
77         union {
78                 struct mouse_input      mouse;
79                 struct keyboard_input   keyboard;
80         } data;
81
82         unsigned char   type;
83         unsigned char   pad1;
84         unsigned char   mouse_buttons;
85         unsigned char   pad3;
86 };
87
88 #define mouse_addr(sp)          (sp->base_address + CONDOR_MOUSE_DATA)
89 #define display_width(sp)       (mouse_addr(sp) + CONDOR_INPUT_DISPLAY_RESX)
90 #define display_height(sp)      (mouse_addr(sp) + CONDOR_INPUT_DISPLAY_RESY)
91 #define display_depth(sp)       (mouse_addr(sp) + CONDOR_INPUT_DISPLAY_BITS)
92 #define desktop_info(sp)        (mouse_addr(sp) + CONDOR_INPUT_DESKTOP_INFO)
93 #define vnc_status(sp)          (mouse_addr(sp) + CONDOR_OUTPUT_VNC_STATUS)
94 #define isr_control(sp)         (mouse_addr(sp) + CONDOR_MOUSE_ISR_CONTROL)
95
96 #define mouse_interrupt_pending(sp)     readl(mouse_addr(sp) + CONDOR_MOUSE_ISR_STATUS)
97 #define clear_mouse_interrupt(sp)       writel(0, mouse_addr(sp) + CONDOR_MOUSE_ISR_STATUS)
98 #define enable_mouse_interrupts(sp)     writel(1, mouse_addr(sp) + CONDOR_MOUSE_ISR_CONTROL)
99 #define disable_mouse_interrupts(sp)    writel(0, mouse_addr(sp) + CONDOR_MOUSE_ISR_CONTROL)
100
101 /* remote input queue operations */
102 #define REMOTE_QUEUE_SIZE       60
103
104 #define get_queue_writer(sp)    readl(mouse_addr(sp) + CONDOR_MOUSE_Q_WRITER)
105 #define get_queue_reader(sp)    readl(mouse_addr(sp) + CONDOR_MOUSE_Q_READER)
106 #define set_queue_reader(sp, reader)    writel(reader, mouse_addr(sp) + CONDOR_MOUSE_Q_READER)
107
108 #define queue_begin     (mouse_addr(sp) + CONDOR_MOUSE_Q_BEGIN)
109
110 #define get_queue_entry(sp, read_index) \
111         ((void*)(queue_begin + read_index * sizeof(struct remote_input)))
112
113 static inline int advance_queue_reader(struct service_processor *sp, unsigned long reader)
114 {
115         reader++;
116         if (reader == REMOTE_QUEUE_SIZE)
117                 reader = 0;
118
119         set_queue_reader(sp, reader);
120         return reader;
121 }
122
123 #define NO_KEYCODE 0
124 #define KEY_SYM_BK_SPC   0xFF08
125 #define KEY_SYM_TAB      0xFF09
126 #define KEY_SYM_ENTER    0xFF0D
127 #define KEY_SYM_SCR_LOCK 0xFF14
128 #define KEY_SYM_ESCAPE   0xFF1B
129 #define KEY_SYM_HOME     0xFF50
130 #define KEY_SYM_LARROW   0xFF51
131 #define KEY_SYM_UARROW   0xFF52
132 #define KEY_SYM_RARROW   0xFF53
133 #define KEY_SYM_DARROW   0xFF54
134 #define KEY_SYM_PAGEUP   0xFF55
135 #define KEY_SYM_PAGEDOWN 0xFF56
136 #define KEY_SYM_END      0xFF57
137 #define KEY_SYM_INSERT   0xFF63
138 #define KEY_SYM_NUM_LOCK 0xFF7F
139 #define KEY_SYM_KPSTAR   0xFFAA
140 #define KEY_SYM_KPPLUS   0xFFAB
141 #define KEY_SYM_KPMINUS  0xFFAD
142 #define KEY_SYM_KPDOT    0xFFAE
143 #define KEY_SYM_KPSLASH  0xFFAF
144 #define KEY_SYM_KPRIGHT  0xFF96
145 #define KEY_SYM_KPUP     0xFF97
146 #define KEY_SYM_KPLEFT   0xFF98
147 #define KEY_SYM_KPDOWN   0xFF99
148 #define KEY_SYM_KP0      0xFFB0
149 #define KEY_SYM_KP1      0xFFB1
150 #define KEY_SYM_KP2      0xFFB2
151 #define KEY_SYM_KP3      0xFFB3
152 #define KEY_SYM_KP4      0xFFB4
153 #define KEY_SYM_KP5      0xFFB5
154 #define KEY_SYM_KP6      0xFFB6
155 #define KEY_SYM_KP7      0xFFB7
156 #define KEY_SYM_KP8      0xFFB8
157 #define KEY_SYM_KP9      0xFFB9
158 #define KEY_SYM_F1       0xFFBE      // 1B 5B 5B 41
159 #define KEY_SYM_F2       0xFFBF      // 1B 5B 5B 42
160 #define KEY_SYM_F3       0xFFC0      // 1B 5B 5B 43
161 #define KEY_SYM_F4       0xFFC1      // 1B 5B 5B 44
162 #define KEY_SYM_F5       0xFFC2      // 1B 5B 5B 45
163 #define KEY_SYM_F6       0xFFC3      // 1B 5B 31 37 7E
164 #define KEY_SYM_F7       0xFFC4      // 1B 5B 31 38 7E
165 #define KEY_SYM_F8       0xFFC5      // 1B 5B 31 39 7E
166 #define KEY_SYM_F9       0xFFC6      // 1B 5B 32 30 7E
167 #define KEY_SYM_F10      0xFFC7      // 1B 5B 32 31 7E
168 #define KEY_SYM_F11      0xFFC8      // 1B 5B 32 33 7E
169 #define KEY_SYM_F12      0xFFC9      // 1B 5B 32 34 7E
170 #define KEY_SYM_SHIFT    0xFFE1
171 #define KEY_SYM_CTRL     0xFFE3
172 #define KEY_SYM_ALT      0xFFE9
173 #define KEY_SYM_CAP_LOCK 0xFFE5
174 #define KEY_SYM_DELETE   0xFFFF
175 #define KEY_SYM_TILDE    0x60
176 #define KEY_SYM_BKTIC    0x7E
177 #define KEY_SYM_ONE      0x31
178 #define KEY_SYM_BANG     0x21
179 #define KEY_SYM_TWO      0x32
180 #define KEY_SYM_AT       0x40
181 #define KEY_SYM_THREE    0x33
182 #define KEY_SYM_POUND    0x23
183 #define KEY_SYM_FOUR     0x34
184 #define KEY_SYM_DOLLAR   0x24
185 #define KEY_SYM_FIVE     0x35
186 #define KEY_SYM_PERCENT  0x25
187 #define KEY_SYM_SIX      0x36
188 #define KEY_SYM_CARAT    0x5E
189 #define KEY_SYM_SEVEN    0x37
190 #define KEY_SYM_AMPER    0x26
191 #define KEY_SYM_EIGHT    0x38
192 #define KEY_SYM_STAR     0x2A
193 #define KEY_SYM_NINE     0x39
194 #define KEY_SYM_LPAREN   0x28
195 #define KEY_SYM_ZERO     0x30
196 #define KEY_SYM_RPAREN   0x29
197 #define KEY_SYM_MINUS    0x2D
198 #define KEY_SYM_USCORE   0x5F
199 #define KEY_SYM_EQUAL    0x2B
200 #define KEY_SYM_PLUS     0x3D
201 #define KEY_SYM_LBRKT    0x5B
202 #define KEY_SYM_LCURLY   0x7B
203 #define KEY_SYM_RBRKT    0x5D
204 #define KEY_SYM_RCURLY   0x7D
205 #define KEY_SYM_SLASH    0x5C
206 #define KEY_SYM_PIPE     0x7C
207 #define KEY_SYM_TIC      0x27
208 #define KEY_SYM_QUOTE    0x22
209 #define KEY_SYM_SEMIC    0x3B
210 #define KEY_SYM_COLON    0x3A
211 #define KEY_SYM_COMMA    0x2C
212 #define KEY_SYM_LT       0x3C
213 #define KEY_SYM_PERIOD   0x2E
214 #define KEY_SYM_GT       0x3E
215 #define KEY_SYM_BSLASH   0x2F
216 #define KEY_SYM_QMARK    0x3F
217 #define KEY_SYM_A        0x41
218 #define KEY_SYM_B        0x42
219 #define KEY_SYM_C        0x43
220 #define KEY_SYM_D        0x44
221 #define KEY_SYM_E        0x45
222 #define KEY_SYM_F        0x46
223 #define KEY_SYM_G        0x47
224 #define KEY_SYM_H        0x48
225 #define KEY_SYM_I        0x49
226 #define KEY_SYM_J        0x4A
227 #define KEY_SYM_K        0x4B
228 #define KEY_SYM_L        0x4C
229 #define KEY_SYM_M        0x4D
230 #define KEY_SYM_N        0x4E
231 #define KEY_SYM_O        0x4F
232 #define KEY_SYM_P        0x50
233 #define KEY_SYM_Q        0x51
234 #define KEY_SYM_R        0x52
235 #define KEY_SYM_S        0x53
236 #define KEY_SYM_T        0x54
237 #define KEY_SYM_U        0x55
238 #define KEY_SYM_V        0x56
239 #define KEY_SYM_W        0x57
240 #define KEY_SYM_X        0x58
241 #define KEY_SYM_Y        0x59
242 #define KEY_SYM_Z        0x5A
243 #define KEY_SYM_a        0x61
244 #define KEY_SYM_b        0x62
245 #define KEY_SYM_c        0x63
246 #define KEY_SYM_d        0x64
247 #define KEY_SYM_e        0x65
248 #define KEY_SYM_f        0x66
249 #define KEY_SYM_g        0x67
250 #define KEY_SYM_h        0x68
251 #define KEY_SYM_i        0x69
252 #define KEY_SYM_j        0x6A
253 #define KEY_SYM_k        0x6B
254 #define KEY_SYM_l        0x6C
255 #define KEY_SYM_m        0x6D
256 #define KEY_SYM_n        0x6E
257 #define KEY_SYM_o        0x6F
258 #define KEY_SYM_p        0x70
259 #define KEY_SYM_q        0x71
260 #define KEY_SYM_r        0x72
261 #define KEY_SYM_s        0x73
262 #define KEY_SYM_t        0x74
263 #define KEY_SYM_u        0x75
264 #define KEY_SYM_v        0x76
265 #define KEY_SYM_w        0x77
266 #define KEY_SYM_x        0x78
267 #define KEY_SYM_y        0x79
268 #define KEY_SYM_z        0x7A
269 #define KEY_SYM_SPACE    0x20
270 #endif /* _IBMASM_REMOTE_H_ */