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1da177e4 LT |
1 | /* |
2 | * $Id: db9.c,v 1.13 2002/04/07 20:13:37 vojtech Exp $ | |
3 | * | |
4 | * Copyright (c) 1999-2001 Vojtech Pavlik | |
5 | * | |
6 | * Based on the work of: | |
96de0e25 | 7 | * Andree Borrmann Mats Sjövall |
1da177e4 LT |
8 | */ |
9 | ||
10 | /* | |
11 | * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux | |
12 | */ | |
13 | ||
14 | /* | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
28 | * | |
29 | * Should you need to contact me, the author, you can do so either by | |
30 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
31 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
32 | */ | |
33 | ||
34 | #include <linux/kernel.h> | |
35 | #include <linux/module.h> | |
36 | #include <linux/moduleparam.h> | |
37 | #include <linux/delay.h> | |
38 | #include <linux/init.h> | |
39 | #include <linux/parport.h> | |
40 | #include <linux/input.h> | |
72ba9f0c | 41 | #include <linux/mutex.h> |
1da177e4 LT |
42 | |
43 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
44 | MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | ||
17dd3f0f DT |
47 | struct db9_config { |
48 | int args[2]; | |
78167236 | 49 | unsigned int nargs; |
17dd3f0f | 50 | }; |
1da177e4 | 51 | |
17dd3f0f | 52 | #define DB9_MAX_PORTS 3 |
78167236 | 53 | static struct db9_config db9_cfg[DB9_MAX_PORTS] __initdata; |
1da177e4 | 54 | |
78167236 | 55 | module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0); |
17dd3f0f | 56 | MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); |
0e2a4fd2 | 57 | module_param_array_named(dev2, db9_cfg[1].args, int, &db9_cfg[1].nargs, 0); |
17dd3f0f | 58 | MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)"); |
78167236 | 59 | module_param_array_named(dev3, db9_cfg[2].args, int, &db9_cfg[2].nargs, 0); |
1da177e4 LT |
60 | MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)"); |
61 | ||
17dd3f0f DT |
62 | #define DB9_ARG_PARPORT 0 |
63 | #define DB9_ARG_MODE 1 | |
64 | ||
1da177e4 LT |
65 | #define DB9_MULTI_STICK 0x01 |
66 | #define DB9_MULTI2_STICK 0x02 | |
67 | #define DB9_GENESIS_PAD 0x03 | |
68 | #define DB9_GENESIS5_PAD 0x05 | |
69 | #define DB9_GENESIS6_PAD 0x06 | |
70 | #define DB9_SATURN_PAD 0x07 | |
71 | #define DB9_MULTI_0802 0x08 | |
72 | #define DB9_MULTI_0802_2 0x09 | |
73 | #define DB9_CD32_PAD 0x0A | |
74 | #define DB9_SATURN_DPP 0x0B | |
75 | #define DB9_SATURN_DPP_2 0x0C | |
76 | #define DB9_MAX_PAD 0x0D | |
77 | ||
78 | #define DB9_UP 0x01 | |
79 | #define DB9_DOWN 0x02 | |
80 | #define DB9_LEFT 0x04 | |
81 | #define DB9_RIGHT 0x08 | |
82 | #define DB9_FIRE1 0x10 | |
83 | #define DB9_FIRE2 0x20 | |
84 | #define DB9_FIRE3 0x40 | |
85 | #define DB9_FIRE4 0x80 | |
86 | ||
87 | #define DB9_NORMAL 0x0a | |
88 | #define DB9_NOSELECT 0x08 | |
89 | ||
1da177e4 LT |
90 | #define DB9_GENESIS6_DELAY 14 |
91 | #define DB9_REFRESH_TIME HZ/100 | |
92 | ||
17dd3f0f DT |
93 | #define DB9_MAX_DEVICES 2 |
94 | ||
95 | struct db9_mode_data { | |
96 | const char *name; | |
97 | const short *buttons; | |
98 | int n_buttons; | |
99 | int n_pads; | |
100 | int n_axis; | |
101 | int bidirectional; | |
102 | int reverse; | |
103 | }; | |
104 | ||
1da177e4 | 105 | struct db9 { |
17dd3f0f | 106 | struct input_dev *dev[DB9_MAX_DEVICES]; |
1da177e4 LT |
107 | struct timer_list timer; |
108 | struct pardevice *pd; | |
109 | int mode; | |
110 | int used; | |
72ba9f0c | 111 | struct mutex mutex; |
17dd3f0f | 112 | char phys[DB9_MAX_DEVICES][32]; |
1da177e4 LT |
113 | }; |
114 | ||
115 | static struct db9 *db9_base[3]; | |
116 | ||
17dd3f0f DT |
117 | static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; |
118 | static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; | |
119 | static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; | |
1da177e4 | 120 | static const short db9_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_RZ, ABS_Z, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; |
17dd3f0f DT |
121 | |
122 | static const struct db9_mode_data db9_modes[] = { | |
123 | { NULL, NULL, 0, 0, 0, 0, 0 }, | |
124 | { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, | |
125 | { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 }, | |
126 | { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 }, | |
127 | { NULL, NULL, 0, 0, 0, 0, 0 }, | |
128 | { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 }, | |
129 | { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 }, | |
130 | { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 }, | |
131 | { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, | |
132 | { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 }, | |
133 | { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 }, | |
134 | { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 }, | |
135 | { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 }, | |
136 | }; | |
1da177e4 LT |
137 | |
138 | /* | |
139 | * Saturn controllers | |
140 | */ | |
141 | #define DB9_SATURN_DELAY 300 | |
142 | static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 }; | |
143 | static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 }; | |
144 | ||
145 | /* | |
146 | * db9_saturn_write_sub() writes 2 bit data. | |
147 | */ | |
148 | static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub) | |
149 | { | |
150 | unsigned char c; | |
151 | ||
152 | switch (type) { | |
153 | case 1: /* DPP1 */ | |
154 | c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data; | |
155 | parport_write_data(port, c); | |
156 | break; | |
157 | case 2: /* DPP2 */ | |
158 | c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03; | |
159 | parport_write_data(port, c); | |
160 | break; | |
161 | case 0: /* DB9 */ | |
162 | c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered; | |
163 | parport_write_control(port, c); | |
164 | break; | |
165 | } | |
166 | } | |
167 | ||
168 | /* | |
169 | * gc_saturn_read_sub() reads 4 bit data. | |
170 | */ | |
171 | static unsigned char db9_saturn_read_sub(struct parport *port, int type) | |
172 | { | |
173 | unsigned char data; | |
174 | ||
175 | if (type) { | |
176 | /* DPP */ | |
177 | data = parport_read_status(port) ^ 0x80; | |
178 | return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0) | |
179 | | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0); | |
180 | } else { | |
181 | /* DB9 */ | |
182 | data = parport_read_data(port) & 0x0f; | |
183 | return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0) | |
184 | | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0); | |
185 | } | |
186 | } | |
187 | ||
188 | /* | |
189 | * db9_saturn_read_analog() sends clock and reads 8 bit data. | |
190 | */ | |
191 | static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered) | |
192 | { | |
193 | unsigned char data; | |
194 | ||
195 | db9_saturn_write_sub(port, type, 0, powered, 0); | |
196 | udelay(DB9_SATURN_DELAY); | |
197 | data = db9_saturn_read_sub(port, type) << 4; | |
198 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
199 | udelay(DB9_SATURN_DELAY); | |
200 | data |= db9_saturn_read_sub(port, type); | |
201 | return data; | |
202 | } | |
203 | ||
204 | /* | |
205 | * db9_saturn_read_packet() reads whole saturn packet at connector | |
206 | * and returns device identifier code. | |
207 | */ | |
208 | static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered) | |
209 | { | |
210 | int i, j; | |
211 | unsigned char tmp; | |
212 | ||
213 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
214 | data[0] = db9_saturn_read_sub(port, type); | |
215 | switch (data[0] & 0x0f) { | |
216 | case 0xf: | |
217 | /* 1111 no pad */ | |
218 | return data[0] = 0xff; | |
219 | case 0x4: case 0x4 | 0x8: | |
220 | /* ?100 : digital controller */ | |
221 | db9_saturn_write_sub(port, type, 0, powered, 1); | |
222 | data[2] = db9_saturn_read_sub(port, type) << 4; | |
223 | db9_saturn_write_sub(port, type, 2, powered, 1); | |
224 | data[1] = db9_saturn_read_sub(port, type) << 4; | |
225 | db9_saturn_write_sub(port, type, 1, powered, 1); | |
226 | data[1] |= db9_saturn_read_sub(port, type); | |
227 | db9_saturn_write_sub(port, type, 3, powered, 1); | |
228 | /* data[2] |= db9_saturn_read_sub(port, type); */ | |
229 | data[2] |= data[0]; | |
230 | return data[0] = 0x02; | |
231 | case 0x1: | |
232 | /* 0001 : analog controller or multitap */ | |
233 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
234 | udelay(DB9_SATURN_DELAY); | |
235 | data[0] = db9_saturn_read_analog(port, type, powered); | |
236 | if (data[0] != 0x41) { | |
237 | /* read analog controller */ | |
238 | for (i = 0; i < (data[0] & 0x0f); i++) | |
239 | data[i + 1] = db9_saturn_read_analog(port, type, powered); | |
240 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
241 | return data[0]; | |
242 | } else { | |
243 | /* read multitap */ | |
244 | if (db9_saturn_read_analog(port, type, powered) != 0x60) | |
245 | return data[0] = 0xff; | |
246 | for (i = 0; i < 60; i += 10) { | |
247 | data[i] = db9_saturn_read_analog(port, type, powered); | |
248 | if (data[i] != 0xff) | |
249 | /* read each pad */ | |
250 | for (j = 0; j < (data[i] & 0x0f); j++) | |
251 | data[i + j + 1] = db9_saturn_read_analog(port, type, powered); | |
252 | } | |
253 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
254 | return 0x41; | |
255 | } | |
256 | case 0x0: | |
257 | /* 0000 : mouse */ | |
258 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
259 | udelay(DB9_SATURN_DELAY); | |
260 | tmp = db9_saturn_read_analog(port, type, powered); | |
261 | if (tmp == 0xff) { | |
262 | for (i = 0; i < 3; i++) | |
263 | data[i + 1] = db9_saturn_read_analog(port, type, powered); | |
264 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
265 | return data[0] = 0xe3; | |
266 | } | |
267 | default: | |
268 | return data[0]; | |
269 | } | |
270 | } | |
271 | ||
272 | /* | |
273 | * db9_saturn_report() analyzes packet and reports. | |
274 | */ | |
84c61896 | 275 | static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads) |
1da177e4 | 276 | { |
84c61896 | 277 | struct input_dev *dev; |
1da177e4 LT |
278 | int tmp, i, j; |
279 | ||
280 | tmp = (id == 0x41) ? 60 : 10; | |
84c61896 DT |
281 | for (j = 0; j < tmp && n < max_pads; j += 10, n++) { |
282 | dev = devs[n]; | |
1da177e4 LT |
283 | switch (data[j]) { |
284 | case 0x16: /* multi controller (analog 4 axis) */ | |
84c61896 | 285 | input_report_abs(dev, db9_abs[5], data[j + 6]); |
1da177e4 | 286 | case 0x15: /* mission stick (analog 3 axis) */ |
84c61896 DT |
287 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
288 | input_report_abs(dev, db9_abs[4], data[j + 5]); | |
1da177e4 | 289 | case 0x13: /* racing controller (analog 1 axis) */ |
84c61896 | 290 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
1da177e4 LT |
291 | case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */ |
292 | case 0x02: /* digital pad (digital 2 axis + buttons) */ | |
84c61896 DT |
293 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
294 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); | |
1da177e4 | 295 | for (i = 0; i < 9; i++) |
84c61896 | 296 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
1da177e4 LT |
297 | break; |
298 | case 0x19: /* mission stick x2 (analog 6 axis + buttons) */ | |
84c61896 DT |
299 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
300 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); | |
1da177e4 | 301 | for (i = 0; i < 9; i++) |
84c61896 DT |
302 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
303 | input_report_abs(dev, db9_abs[2], data[j + 3]); | |
304 | input_report_abs(dev, db9_abs[3], data[j + 4]); | |
305 | input_report_abs(dev, db9_abs[4], data[j + 5]); | |
1da177e4 | 306 | /* |
84c61896 DT |
307 | input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1)); |
308 | input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1)); | |
1da177e4 | 309 | */ |
84c61896 DT |
310 | input_report_abs(dev, db9_abs[6], data[j + 7]); |
311 | input_report_abs(dev, db9_abs[7], data[j + 8]); | |
312 | input_report_abs(dev, db9_abs[5], data[j + 9]); | |
1da177e4 LT |
313 | break; |
314 | case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */ | |
84c61896 DT |
315 | input_report_key(dev, BTN_A, data[j + 3] & 0x80); |
316 | input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f); | |
1da177e4 LT |
317 | break; |
318 | case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */ | |
84c61896 DT |
319 | input_report_key(dev, BTN_START, data[j + 1] & 0x08); |
320 | input_report_key(dev, BTN_A, data[j + 1] & 0x04); | |
321 | input_report_key(dev, BTN_C, data[j + 1] & 0x02); | |
322 | input_report_key(dev, BTN_B, data[j + 1] & 0x01); | |
323 | input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80); | |
324 | input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */ | |
1da177e4 LT |
325 | break; |
326 | case 0xff: | |
327 | default: /* no pad */ | |
84c61896 DT |
328 | input_report_abs(dev, db9_abs[0], 0); |
329 | input_report_abs(dev, db9_abs[1], 0); | |
1da177e4 | 330 | for (i = 0; i < 9; i++) |
84c61896 | 331 | input_report_key(dev, db9_cd32_btn[i], 0); |
1da177e4 LT |
332 | break; |
333 | } | |
334 | } | |
335 | return n; | |
336 | } | |
337 | ||
84c61896 | 338 | static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) |
1da177e4 LT |
339 | { |
340 | unsigned char id, data[60]; | |
341 | int type, n, max_pads; | |
342 | int tmp, i; | |
343 | ||
344 | switch (mode) { | |
345 | case DB9_SATURN_PAD: | |
346 | type = 0; | |
347 | n = 1; | |
348 | break; | |
349 | case DB9_SATURN_DPP: | |
350 | type = 1; | |
351 | n = 1; | |
352 | break; | |
353 | case DB9_SATURN_DPP_2: | |
354 | type = 1; | |
355 | n = 2; | |
356 | break; | |
357 | default: | |
358 | return -1; | |
359 | } | |
17dd3f0f | 360 | max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES); |
1da177e4 LT |
361 | for (tmp = 0, i = 0; i < n; i++) { |
362 | id = db9_saturn_read_packet(port, data, type + i, 1); | |
84c61896 | 363 | tmp = db9_saturn_report(id, data, devs, tmp, max_pads); |
1da177e4 LT |
364 | } |
365 | return 0; | |
366 | } | |
367 | ||
368 | static void db9_timer(unsigned long private) | |
369 | { | |
370 | struct db9 *db9 = (void *) private; | |
371 | struct parport *port = db9->pd->port; | |
17dd3f0f DT |
372 | struct input_dev *dev = db9->dev[0]; |
373 | struct input_dev *dev2 = db9->dev[1]; | |
1da177e4 LT |
374 | int data, i; |
375 | ||
17dd3f0f | 376 | switch (db9->mode) { |
1da177e4 LT |
377 | case DB9_MULTI_0802_2: |
378 | ||
379 | data = parport_read_data(port) >> 3; | |
380 | ||
17dd3f0f DT |
381 | input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
382 | input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
383 | input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1); | |
1da177e4 LT |
384 | |
385 | case DB9_MULTI_0802: | |
386 | ||
387 | data = parport_read_status(port) >> 3; | |
388 | ||
389 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
390 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
391 | input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); | |
392 | break; | |
393 | ||
394 | case DB9_MULTI_STICK: | |
395 | ||
396 | data = parport_read_data(port); | |
397 | ||
398 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
399 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
400 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); | |
401 | break; | |
402 | ||
403 | case DB9_MULTI2_STICK: | |
404 | ||
405 | data = parport_read_data(port); | |
406 | ||
407 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
408 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
409 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); | |
410 | input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); | |
411 | break; | |
412 | ||
413 | case DB9_GENESIS_PAD: | |
414 | ||
415 | parport_write_control(port, DB9_NOSELECT); | |
416 | data = parport_read_data(port); | |
417 | ||
418 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
419 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
420 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
421 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
422 | ||
423 | parport_write_control(port, DB9_NORMAL); | |
17dd3f0f | 424 | data = parport_read_data(port); |
1da177e4 LT |
425 | |
426 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
427 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); | |
428 | break; | |
429 | ||
430 | case DB9_GENESIS5_PAD: | |
431 | ||
432 | parport_write_control(port, DB9_NOSELECT); | |
17dd3f0f | 433 | data = parport_read_data(port); |
1da177e4 LT |
434 | |
435 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
436 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
437 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
438 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
439 | ||
440 | parport_write_control(port, DB9_NORMAL); | |
17dd3f0f | 441 | data = parport_read_data(port); |
1da177e4 LT |
442 | |
443 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
444 | input_report_key(dev, BTN_X, ~data & DB9_FIRE2); | |
445 | input_report_key(dev, BTN_Y, ~data & DB9_LEFT); | |
446 | input_report_key(dev, BTN_START, ~data & DB9_RIGHT); | |
447 | break; | |
448 | ||
449 | case DB9_GENESIS6_PAD: | |
450 | ||
451 | parport_write_control(port, DB9_NOSELECT); /* 1 */ | |
452 | udelay(DB9_GENESIS6_DELAY); | |
17dd3f0f | 453 | data = parport_read_data(port); |
1da177e4 LT |
454 | |
455 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
456 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
457 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
458 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
459 | ||
460 | parport_write_control(port, DB9_NORMAL); | |
461 | udelay(DB9_GENESIS6_DELAY); | |
17dd3f0f | 462 | data = parport_read_data(port); |
1da177e4 LT |
463 | |
464 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
465 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); | |
466 | ||
467 | parport_write_control(port, DB9_NOSELECT); /* 2 */ | |
468 | udelay(DB9_GENESIS6_DELAY); | |
469 | parport_write_control(port, DB9_NORMAL); | |
470 | udelay(DB9_GENESIS6_DELAY); | |
471 | parport_write_control(port, DB9_NOSELECT); /* 3 */ | |
472 | udelay(DB9_GENESIS6_DELAY); | |
473 | data=parport_read_data(port); | |
474 | ||
475 | input_report_key(dev, BTN_X, ~data & DB9_LEFT); | |
476 | input_report_key(dev, BTN_Y, ~data & DB9_DOWN); | |
477 | input_report_key(dev, BTN_Z, ~data & DB9_UP); | |
478 | input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT); | |
479 | ||
480 | parport_write_control(port, DB9_NORMAL); | |
481 | udelay(DB9_GENESIS6_DELAY); | |
482 | parport_write_control(port, DB9_NOSELECT); /* 4 */ | |
483 | udelay(DB9_GENESIS6_DELAY); | |
484 | parport_write_control(port, DB9_NORMAL); | |
485 | break; | |
486 | ||
487 | case DB9_SATURN_PAD: | |
488 | case DB9_SATURN_DPP: | |
489 | case DB9_SATURN_DPP_2: | |
490 | ||
84c61896 | 491 | db9_saturn(db9->mode, port, db9->dev); |
1da177e4 LT |
492 | break; |
493 | ||
494 | case DB9_CD32_PAD: | |
495 | ||
17dd3f0f | 496 | data = parport_read_data(port); |
1da177e4 LT |
497 | |
498 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
499 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
500 | ||
501 | parport_write_control(port, 0x0a); | |
502 | ||
503 | for (i = 0; i < 7; i++) { | |
504 | data = parport_read_data(port); | |
505 | parport_write_control(port, 0x02); | |
506 | parport_write_control(port, 0x0a); | |
507 | input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); | |
17dd3f0f | 508 | } |
1da177e4 LT |
509 | |
510 | parport_write_control(port, 0x00); | |
511 | break; | |
512 | } | |
513 | ||
514 | input_sync(dev); | |
515 | ||
516 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); | |
517 | } | |
518 | ||
519 | static int db9_open(struct input_dev *dev) | |
520 | { | |
8715c1cf | 521 | struct db9 *db9 = input_get_drvdata(dev); |
1da177e4 | 522 | struct parport *port = db9->pd->port; |
8b1a198b DT |
523 | int err; |
524 | ||
72ba9f0c | 525 | err = mutex_lock_interruptible(&db9->mutex); |
8b1a198b DT |
526 | if (err) |
527 | return err; | |
1da177e4 LT |
528 | |
529 | if (!db9->used++) { | |
530 | parport_claim(db9->pd); | |
531 | parport_write_data(port, 0xff); | |
17dd3f0f | 532 | if (db9_modes[db9->mode].reverse) { |
1da177e4 LT |
533 | parport_data_reverse(port); |
534 | parport_write_control(port, DB9_NORMAL); | |
535 | } | |
536 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); | |
537 | } | |
538 | ||
72ba9f0c | 539 | mutex_unlock(&db9->mutex); |
1da177e4 LT |
540 | return 0; |
541 | } | |
542 | ||
543 | static void db9_close(struct input_dev *dev) | |
544 | { | |
8715c1cf | 545 | struct db9 *db9 = input_get_drvdata(dev); |
1da177e4 LT |
546 | struct parport *port = db9->pd->port; |
547 | ||
72ba9f0c | 548 | mutex_lock(&db9->mutex); |
1da177e4 | 549 | if (!--db9->used) { |
8b1a198b | 550 | del_timer_sync(&db9->timer); |
1da177e4 LT |
551 | parport_write_control(port, 0x00); |
552 | parport_data_forward(port); | |
553 | parport_release(db9->pd); | |
554 | } | |
72ba9f0c | 555 | mutex_unlock(&db9->mutex); |
1da177e4 LT |
556 | } |
557 | ||
17dd3f0f | 558 | static struct db9 __init *db9_probe(int parport, int mode) |
1da177e4 LT |
559 | { |
560 | struct db9 *db9; | |
17dd3f0f | 561 | const struct db9_mode_data *db9_mode; |
1da177e4 | 562 | struct parport *pp; |
17dd3f0f DT |
563 | struct pardevice *pd; |
564 | struct input_dev *input_dev; | |
1da177e4 | 565 | int i, j; |
17dd3f0f | 566 | int err; |
1da177e4 | 567 | |
17dd3f0f DT |
568 | if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { |
569 | printk(KERN_ERR "db9.c: Bad device type %d\n", mode); | |
570 | err = -EINVAL; | |
571 | goto err_out; | |
1da177e4 LT |
572 | } |
573 | ||
17dd3f0f | 574 | db9_mode = &db9_modes[mode]; |
1da177e4 | 575 | |
17dd3f0f | 576 | pp = parport_find_number(parport); |
1da177e4 LT |
577 | if (!pp) { |
578 | printk(KERN_ERR "db9.c: no such parport\n"); | |
17dd3f0f DT |
579 | err = -ENODEV; |
580 | goto err_out; | |
1da177e4 LT |
581 | } |
582 | ||
0a3a6d69 | 583 | if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { |
17dd3f0f DT |
584 | printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); |
585 | err = -EINVAL; | |
586 | goto err_put_pp; | |
587 | } | |
588 | ||
589 | pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); | |
590 | if (!pd) { | |
591 | printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); | |
592 | err = -EBUSY; | |
593 | goto err_put_pp; | |
1da177e4 LT |
594 | } |
595 | ||
17dd3f0f DT |
596 | db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); |
597 | if (!db9) { | |
598 | printk(KERN_ERR "db9.c: Not enough memory\n"); | |
599 | err = -ENOMEM; | |
600 | goto err_unreg_pardev; | |
1da177e4 | 601 | } |
1da177e4 | 602 | |
72ba9f0c | 603 | mutex_init(&db9->mutex); |
17dd3f0f DT |
604 | db9->pd = pd; |
605 | db9->mode = mode; | |
1da177e4 LT |
606 | init_timer(&db9->timer); |
607 | db9->timer.data = (long) db9; | |
608 | db9->timer.function = db9_timer; | |
609 | ||
17dd3f0f | 610 | for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { |
1da177e4 | 611 | |
17dd3f0f DT |
612 | db9->dev[i] = input_dev = input_allocate_device(); |
613 | if (!input_dev) { | |
614 | printk(KERN_ERR "db9.c: Not enough memory for input device\n"); | |
615 | err = -ENOMEM; | |
2e9d675e | 616 | goto err_unreg_devs; |
17dd3f0f | 617 | } |
1da177e4 | 618 | |
10ca4c0a DT |
619 | snprintf(db9->phys[i], sizeof(db9->phys[i]), |
620 | "%s/input%d", db9->pd->port->name, i); | |
1da177e4 | 621 | |
17dd3f0f DT |
622 | input_dev->name = db9_mode->name; |
623 | input_dev->phys = db9->phys[i]; | |
624 | input_dev->id.bustype = BUS_PARPORT; | |
625 | input_dev->id.vendor = 0x0002; | |
626 | input_dev->id.product = mode; | |
627 | input_dev->id.version = 0x0100; | |
8715c1cf DT |
628 | |
629 | input_set_drvdata(input_dev, db9); | |
17dd3f0f DT |
630 | |
631 | input_dev->open = db9_open; | |
632 | input_dev->close = db9_close; | |
633 | ||
7b19ada2 | 634 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
17dd3f0f DT |
635 | for (j = 0; j < db9_mode->n_buttons; j++) |
636 | set_bit(db9_mode->buttons[j], input_dev->keybit); | |
637 | for (j = 0; j < db9_mode->n_axis; j++) { | |
638 | if (j < 2) | |
639 | input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0); | |
640 | else | |
641 | input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); | |
1da177e4 | 642 | } |
17dd3f0f | 643 | |
2e9d675e DT |
644 | err = input_register_device(input_dev); |
645 | if (err) | |
646 | goto err_free_dev; | |
1da177e4 LT |
647 | } |
648 | ||
17dd3f0f | 649 | parport_put_port(pp); |
1da177e4 | 650 | return db9; |
17dd3f0f | 651 | |
2e9d675e DT |
652 | err_free_dev: |
653 | input_free_device(db9->dev[i]); | |
654 | err_unreg_devs: | |
17dd3f0f DT |
655 | while (--i >= 0) |
656 | input_unregister_device(db9->dev[i]); | |
657 | kfree(db9); | |
658 | err_unreg_pardev: | |
659 | parport_unregister_device(pd); | |
660 | err_put_pp: | |
661 | parport_put_port(pp); | |
662 | err_out: | |
663 | return ERR_PTR(err); | |
664 | } | |
665 | ||
2e9d675e | 666 | static void db9_remove(struct db9 *db9) |
17dd3f0f DT |
667 | { |
668 | int i; | |
669 | ||
670 | for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) | |
671 | input_unregister_device(db9->dev[i]); | |
672 | parport_unregister_device(db9->pd); | |
673 | kfree(db9); | |
1da177e4 LT |
674 | } |
675 | ||
676 | static int __init db9_init(void) | |
677 | { | |
17dd3f0f DT |
678 | int i; |
679 | int have_dev = 0; | |
680 | int err = 0; | |
681 | ||
682 | for (i = 0; i < DB9_MAX_PORTS; i++) { | |
78167236 | 683 | if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0) |
17dd3f0f DT |
684 | continue; |
685 | ||
78167236 | 686 | if (db9_cfg[i].nargs < 2) { |
17dd3f0f DT |
687 | printk(KERN_ERR "db9.c: Device type must be specified.\n"); |
688 | err = -EINVAL; | |
689 | break; | |
690 | } | |
691 | ||
78167236 DT |
692 | db9_base[i] = db9_probe(db9_cfg[i].args[DB9_ARG_PARPORT], |
693 | db9_cfg[i].args[DB9_ARG_MODE]); | |
17dd3f0f DT |
694 | if (IS_ERR(db9_base[i])) { |
695 | err = PTR_ERR(db9_base[i]); | |
696 | break; | |
697 | } | |
698 | ||
699 | have_dev = 1; | |
700 | } | |
1da177e4 | 701 | |
17dd3f0f DT |
702 | if (err) { |
703 | while (--i >= 0) | |
2e9d675e DT |
704 | if (db9_base[i]) |
705 | db9_remove(db9_base[i]); | |
17dd3f0f DT |
706 | return err; |
707 | } | |
1da177e4 | 708 | |
17dd3f0f | 709 | return have_dev ? 0 : -ENODEV; |
1da177e4 LT |
710 | } |
711 | ||
712 | static void __exit db9_exit(void) | |
713 | { | |
17dd3f0f | 714 | int i; |
1da177e4 | 715 | |
17dd3f0f DT |
716 | for (i = 0; i < DB9_MAX_PORTS; i++) |
717 | if (db9_base[i]) | |
718 | db9_remove(db9_base[i]); | |
1da177e4 LT |
719 | } |
720 | ||
721 | module_init(db9_init); | |
722 | module_exit(db9_exit); |