Root/
1 | /* |
2 | * Copyright (c) 1999-2001 Vojtech Pavlik |
3 | * |
4 | * Based on the work of: |
5 | * Andree Borrmann Mats Sjövall |
6 | */ |
7 | |
8 | /* |
9 | * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux |
10 | */ |
11 | |
12 | /* |
13 | * This program is free software; you can redistribute it and/or modify |
14 | * it under the terms of the GNU General Public License as published by |
15 | * the Free Software Foundation; either version 2 of the License, or |
16 | * (at your option) any later version. |
17 | * |
18 | * This program is distributed in the hope that it will be useful, |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
21 | * GNU General Public License for more details. |
22 | * |
23 | * You should have received a copy of the GNU General Public License |
24 | * along with this program; if not, write to the Free Software |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
26 | * |
27 | * Should you need to contact me, the author, you can do so either by |
28 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
29 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
30 | */ |
31 | |
32 | #include <linux/kernel.h> |
33 | #include <linux/module.h> |
34 | #include <linux/delay.h> |
35 | #include <linux/init.h> |
36 | #include <linux/parport.h> |
37 | #include <linux/input.h> |
38 | #include <linux/mutex.h> |
39 | #include <linux/slab.h> |
40 | |
41 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); |
42 | MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); |
43 | MODULE_LICENSE("GPL"); |
44 | |
45 | struct db9_config { |
46 | int args[2]; |
47 | unsigned int nargs; |
48 | }; |
49 | |
50 | #define DB9_MAX_PORTS 3 |
51 | static struct db9_config db9_cfg[DB9_MAX_PORTS] __initdata; |
52 | |
53 | module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0); |
54 | MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); |
55 | module_param_array_named(dev2, db9_cfg[1].args, int, &db9_cfg[1].nargs, 0); |
56 | MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)"); |
57 | module_param_array_named(dev3, db9_cfg[2].args, int, &db9_cfg[2].nargs, 0); |
58 | MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)"); |
59 | |
60 | #define DB9_ARG_PARPORT 0 |
61 | #define DB9_ARG_MODE 1 |
62 | |
63 | #define DB9_MULTI_STICK 0x01 |
64 | #define DB9_MULTI2_STICK 0x02 |
65 | #define DB9_GENESIS_PAD 0x03 |
66 | #define DB9_GENESIS5_PAD 0x05 |
67 | #define DB9_GENESIS6_PAD 0x06 |
68 | #define DB9_SATURN_PAD 0x07 |
69 | #define DB9_MULTI_0802 0x08 |
70 | #define DB9_MULTI_0802_2 0x09 |
71 | #define DB9_CD32_PAD 0x0A |
72 | #define DB9_SATURN_DPP 0x0B |
73 | #define DB9_SATURN_DPP_2 0x0C |
74 | #define DB9_MAX_PAD 0x0D |
75 | |
76 | #define DB9_UP 0x01 |
77 | #define DB9_DOWN 0x02 |
78 | #define DB9_LEFT 0x04 |
79 | #define DB9_RIGHT 0x08 |
80 | #define DB9_FIRE1 0x10 |
81 | #define DB9_FIRE2 0x20 |
82 | #define DB9_FIRE3 0x40 |
83 | #define DB9_FIRE4 0x80 |
84 | |
85 | #define DB9_NORMAL 0x0a |
86 | #define DB9_NOSELECT 0x08 |
87 | |
88 | #define DB9_GENESIS6_DELAY 14 |
89 | #define DB9_REFRESH_TIME HZ/100 |
90 | |
91 | #define DB9_MAX_DEVICES 2 |
92 | |
93 | struct db9_mode_data { |
94 | const char *name; |
95 | const short *buttons; |
96 | int n_buttons; |
97 | int n_pads; |
98 | int n_axis; |
99 | int bidirectional; |
100 | int reverse; |
101 | }; |
102 | |
103 | struct db9 { |
104 | struct input_dev *dev[DB9_MAX_DEVICES]; |
105 | struct timer_list timer; |
106 | struct pardevice *pd; |
107 | int mode; |
108 | int used; |
109 | struct mutex mutex; |
110 | char phys[DB9_MAX_DEVICES][32]; |
111 | }; |
112 | |
113 | static struct db9 *db9_base[3]; |
114 | |
115 | static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; |
116 | static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; |
117 | static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; |
118 | 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 }; |
119 | |
120 | static const struct db9_mode_data db9_modes[] = { |
121 | { NULL, NULL, 0, 0, 0, 0, 0 }, |
122 | { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, |
123 | { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 }, |
124 | { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 }, |
125 | { NULL, NULL, 0, 0, 0, 0, 0 }, |
126 | { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 }, |
127 | { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 }, |
128 | { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 }, |
129 | { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, |
130 | { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 }, |
131 | { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 }, |
132 | { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 }, |
133 | { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 }, |
134 | }; |
135 | |
136 | /* |
137 | * Saturn controllers |
138 | */ |
139 | #define DB9_SATURN_DELAY 300 |
140 | static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 }; |
141 | static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 }; |
142 | |
143 | /* |
144 | * db9_saturn_write_sub() writes 2 bit data. |
145 | */ |
146 | static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub) |
147 | { |
148 | unsigned char c; |
149 | |
150 | switch (type) { |
151 | case 1: /* DPP1 */ |
152 | c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data; |
153 | parport_write_data(port, c); |
154 | break; |
155 | case 2: /* DPP2 */ |
156 | c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03; |
157 | parport_write_data(port, c); |
158 | break; |
159 | case 0: /* DB9 */ |
160 | c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered; |
161 | parport_write_control(port, c); |
162 | break; |
163 | } |
164 | } |
165 | |
166 | /* |
167 | * gc_saturn_read_sub() reads 4 bit data. |
168 | */ |
169 | static unsigned char db9_saturn_read_sub(struct parport *port, int type) |
170 | { |
171 | unsigned char data; |
172 | |
173 | if (type) { |
174 | /* DPP */ |
175 | data = parport_read_status(port) ^ 0x80; |
176 | return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0) |
177 | | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0); |
178 | } else { |
179 | /* DB9 */ |
180 | data = parport_read_data(port) & 0x0f; |
181 | return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0) |
182 | | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0); |
183 | } |
184 | } |
185 | |
186 | /* |
187 | * db9_saturn_read_analog() sends clock and reads 8 bit data. |
188 | */ |
189 | static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered) |
190 | { |
191 | unsigned char data; |
192 | |
193 | db9_saturn_write_sub(port, type, 0, powered, 0); |
194 | udelay(DB9_SATURN_DELAY); |
195 | data = db9_saturn_read_sub(port, type) << 4; |
196 | db9_saturn_write_sub(port, type, 2, powered, 0); |
197 | udelay(DB9_SATURN_DELAY); |
198 | data |= db9_saturn_read_sub(port, type); |
199 | return data; |
200 | } |
201 | |
202 | /* |
203 | * db9_saturn_read_packet() reads whole saturn packet at connector |
204 | * and returns device identifier code. |
205 | */ |
206 | static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered) |
207 | { |
208 | int i, j; |
209 | unsigned char tmp; |
210 | |
211 | db9_saturn_write_sub(port, type, 3, powered, 0); |
212 | data[0] = db9_saturn_read_sub(port, type); |
213 | switch (data[0] & 0x0f) { |
214 | case 0xf: |
215 | /* 1111 no pad */ |
216 | return data[0] = 0xff; |
217 | case 0x4: case 0x4 | 0x8: |
218 | /* ?100 : digital controller */ |
219 | db9_saturn_write_sub(port, type, 0, powered, 1); |
220 | data[2] = db9_saturn_read_sub(port, type) << 4; |
221 | db9_saturn_write_sub(port, type, 2, powered, 1); |
222 | data[1] = db9_saturn_read_sub(port, type) << 4; |
223 | db9_saturn_write_sub(port, type, 1, powered, 1); |
224 | data[1] |= db9_saturn_read_sub(port, type); |
225 | db9_saturn_write_sub(port, type, 3, powered, 1); |
226 | /* data[2] |= db9_saturn_read_sub(port, type); */ |
227 | data[2] |= data[0]; |
228 | return data[0] = 0x02; |
229 | case 0x1: |
230 | /* 0001 : analog controller or multitap */ |
231 | db9_saturn_write_sub(port, type, 2, powered, 0); |
232 | udelay(DB9_SATURN_DELAY); |
233 | data[0] = db9_saturn_read_analog(port, type, powered); |
234 | if (data[0] != 0x41) { |
235 | /* read analog controller */ |
236 | for (i = 0; i < (data[0] & 0x0f); i++) |
237 | data[i + 1] = db9_saturn_read_analog(port, type, powered); |
238 | db9_saturn_write_sub(port, type, 3, powered, 0); |
239 | return data[0]; |
240 | } else { |
241 | /* read multitap */ |
242 | if (db9_saturn_read_analog(port, type, powered) != 0x60) |
243 | return data[0] = 0xff; |
244 | for (i = 0; i < 60; i += 10) { |
245 | data[i] = db9_saturn_read_analog(port, type, powered); |
246 | if (data[i] != 0xff) |
247 | /* read each pad */ |
248 | for (j = 0; j < (data[i] & 0x0f); j++) |
249 | data[i + j + 1] = db9_saturn_read_analog(port, type, powered); |
250 | } |
251 | db9_saturn_write_sub(port, type, 3, powered, 0); |
252 | return 0x41; |
253 | } |
254 | case 0x0: |
255 | /* 0000 : mouse */ |
256 | db9_saturn_write_sub(port, type, 2, powered, 0); |
257 | udelay(DB9_SATURN_DELAY); |
258 | tmp = db9_saturn_read_analog(port, type, powered); |
259 | if (tmp == 0xff) { |
260 | for (i = 0; i < 3; i++) |
261 | data[i + 1] = db9_saturn_read_analog(port, type, powered); |
262 | db9_saturn_write_sub(port, type, 3, powered, 0); |
263 | return data[0] = 0xe3; |
264 | } |
265 | default: |
266 | return data[0]; |
267 | } |
268 | } |
269 | |
270 | /* |
271 | * db9_saturn_report() analyzes packet and reports. |
272 | */ |
273 | static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads) |
274 | { |
275 | struct input_dev *dev; |
276 | int tmp, i, j; |
277 | |
278 | tmp = (id == 0x41) ? 60 : 10; |
279 | for (j = 0; j < tmp && n < max_pads; j += 10, n++) { |
280 | dev = devs[n]; |
281 | switch (data[j]) { |
282 | case 0x16: /* multi controller (analog 4 axis) */ |
283 | input_report_abs(dev, db9_abs[5], data[j + 6]); |
284 | case 0x15: /* mission stick (analog 3 axis) */ |
285 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
286 | input_report_abs(dev, db9_abs[4], data[j + 5]); |
287 | case 0x13: /* racing controller (analog 1 axis) */ |
288 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
289 | case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */ |
290 | case 0x02: /* digital pad (digital 2 axis + buttons) */ |
291 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
292 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); |
293 | for (i = 0; i < 9; i++) |
294 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
295 | break; |
296 | case 0x19: /* mission stick x2 (analog 6 axis + buttons) */ |
297 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
298 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); |
299 | for (i = 0; i < 9; i++) |
300 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
301 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
302 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
303 | input_report_abs(dev, db9_abs[4], data[j + 5]); |
304 | /* |
305 | input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1)); |
306 | input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1)); |
307 | */ |
308 | input_report_abs(dev, db9_abs[6], data[j + 7]); |
309 | input_report_abs(dev, db9_abs[7], data[j + 8]); |
310 | input_report_abs(dev, db9_abs[5], data[j + 9]); |
311 | break; |
312 | case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */ |
313 | input_report_key(dev, BTN_A, data[j + 3] & 0x80); |
314 | input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f); |
315 | break; |
316 | case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */ |
317 | input_report_key(dev, BTN_START, data[j + 1] & 0x08); |
318 | input_report_key(dev, BTN_A, data[j + 1] & 0x04); |
319 | input_report_key(dev, BTN_C, data[j + 1] & 0x02); |
320 | input_report_key(dev, BTN_B, data[j + 1] & 0x01); |
321 | input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80); |
322 | input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */ |
323 | break; |
324 | case 0xff: |
325 | default: /* no pad */ |
326 | input_report_abs(dev, db9_abs[0], 0); |
327 | input_report_abs(dev, db9_abs[1], 0); |
328 | for (i = 0; i < 9; i++) |
329 | input_report_key(dev, db9_cd32_btn[i], 0); |
330 | break; |
331 | } |
332 | } |
333 | return n; |
334 | } |
335 | |
336 | static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) |
337 | { |
338 | unsigned char id, data[60]; |
339 | int type, n, max_pads; |
340 | int tmp, i; |
341 | |
342 | switch (mode) { |
343 | case DB9_SATURN_PAD: |
344 | type = 0; |
345 | n = 1; |
346 | break; |
347 | case DB9_SATURN_DPP: |
348 | type = 1; |
349 | n = 1; |
350 | break; |
351 | case DB9_SATURN_DPP_2: |
352 | type = 1; |
353 | n = 2; |
354 | break; |
355 | default: |
356 | return -1; |
357 | } |
358 | max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES); |
359 | for (tmp = 0, i = 0; i < n; i++) { |
360 | id = db9_saturn_read_packet(port, data, type + i, 1); |
361 | tmp = db9_saturn_report(id, data, devs, tmp, max_pads); |
362 | } |
363 | return 0; |
364 | } |
365 | |
366 | static void db9_timer(unsigned long private) |
367 | { |
368 | struct db9 *db9 = (void *) private; |
369 | struct parport *port = db9->pd->port; |
370 | struct input_dev *dev = db9->dev[0]; |
371 | struct input_dev *dev2 = db9->dev[1]; |
372 | int data, i; |
373 | |
374 | switch (db9->mode) { |
375 | case DB9_MULTI_0802_2: |
376 | |
377 | data = parport_read_data(port) >> 3; |
378 | |
379 | input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
380 | input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
381 | input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1); |
382 | |
383 | case DB9_MULTI_0802: |
384 | |
385 | data = parport_read_status(port) >> 3; |
386 | |
387 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
388 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
389 | input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); |
390 | break; |
391 | |
392 | case DB9_MULTI_STICK: |
393 | |
394 | data = parport_read_data(port); |
395 | |
396 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
397 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
398 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); |
399 | break; |
400 | |
401 | case DB9_MULTI2_STICK: |
402 | |
403 | data = parport_read_data(port); |
404 | |
405 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
406 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
407 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); |
408 | input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); |
409 | break; |
410 | |
411 | case DB9_GENESIS_PAD: |
412 | |
413 | parport_write_control(port, DB9_NOSELECT); |
414 | data = parport_read_data(port); |
415 | |
416 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
417 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
418 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
419 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
420 | |
421 | parport_write_control(port, DB9_NORMAL); |
422 | data = parport_read_data(port); |
423 | |
424 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
425 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); |
426 | break; |
427 | |
428 | case DB9_GENESIS5_PAD: |
429 | |
430 | parport_write_control(port, DB9_NOSELECT); |
431 | data = parport_read_data(port); |
432 | |
433 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
434 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
435 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
436 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
437 | |
438 | parport_write_control(port, DB9_NORMAL); |
439 | data = parport_read_data(port); |
440 | |
441 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
442 | input_report_key(dev, BTN_X, ~data & DB9_FIRE2); |
443 | input_report_key(dev, BTN_Y, ~data & DB9_LEFT); |
444 | input_report_key(dev, BTN_START, ~data & DB9_RIGHT); |
445 | break; |
446 | |
447 | case DB9_GENESIS6_PAD: |
448 | |
449 | parport_write_control(port, DB9_NOSELECT); /* 1 */ |
450 | udelay(DB9_GENESIS6_DELAY); |
451 | data = parport_read_data(port); |
452 | |
453 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
454 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
455 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
456 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
457 | |
458 | parport_write_control(port, DB9_NORMAL); |
459 | udelay(DB9_GENESIS6_DELAY); |
460 | data = parport_read_data(port); |
461 | |
462 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
463 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); |
464 | |
465 | parport_write_control(port, DB9_NOSELECT); /* 2 */ |
466 | udelay(DB9_GENESIS6_DELAY); |
467 | parport_write_control(port, DB9_NORMAL); |
468 | udelay(DB9_GENESIS6_DELAY); |
469 | parport_write_control(port, DB9_NOSELECT); /* 3 */ |
470 | udelay(DB9_GENESIS6_DELAY); |
471 | data=parport_read_data(port); |
472 | |
473 | input_report_key(dev, BTN_X, ~data & DB9_LEFT); |
474 | input_report_key(dev, BTN_Y, ~data & DB9_DOWN); |
475 | input_report_key(dev, BTN_Z, ~data & DB9_UP); |
476 | input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT); |
477 | |
478 | parport_write_control(port, DB9_NORMAL); |
479 | udelay(DB9_GENESIS6_DELAY); |
480 | parport_write_control(port, DB9_NOSELECT); /* 4 */ |
481 | udelay(DB9_GENESIS6_DELAY); |
482 | parport_write_control(port, DB9_NORMAL); |
483 | break; |
484 | |
485 | case DB9_SATURN_PAD: |
486 | case DB9_SATURN_DPP: |
487 | case DB9_SATURN_DPP_2: |
488 | |
489 | db9_saturn(db9->mode, port, db9->dev); |
490 | break; |
491 | |
492 | case DB9_CD32_PAD: |
493 | |
494 | data = parport_read_data(port); |
495 | |
496 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
497 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
498 | |
499 | parport_write_control(port, 0x0a); |
500 | |
501 | for (i = 0; i < 7; i++) { |
502 | data = parport_read_data(port); |
503 | parport_write_control(port, 0x02); |
504 | parport_write_control(port, 0x0a); |
505 | input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); |
506 | } |
507 | |
508 | parport_write_control(port, 0x00); |
509 | break; |
510 | } |
511 | |
512 | input_sync(dev); |
513 | |
514 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); |
515 | } |
516 | |
517 | static int db9_open(struct input_dev *dev) |
518 | { |
519 | struct db9 *db9 = input_get_drvdata(dev); |
520 | struct parport *port = db9->pd->port; |
521 | int err; |
522 | |
523 | err = mutex_lock_interruptible(&db9->mutex); |
524 | if (err) |
525 | return err; |
526 | |
527 | if (!db9->used++) { |
528 | parport_claim(db9->pd); |
529 | parport_write_data(port, 0xff); |
530 | if (db9_modes[db9->mode].reverse) { |
531 | parport_data_reverse(port); |
532 | parport_write_control(port, DB9_NORMAL); |
533 | } |
534 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); |
535 | } |
536 | |
537 | mutex_unlock(&db9->mutex); |
538 | return 0; |
539 | } |
540 | |
541 | static void db9_close(struct input_dev *dev) |
542 | { |
543 | struct db9 *db9 = input_get_drvdata(dev); |
544 | struct parport *port = db9->pd->port; |
545 | |
546 | mutex_lock(&db9->mutex); |
547 | if (!--db9->used) { |
548 | del_timer_sync(&db9->timer); |
549 | parport_write_control(port, 0x00); |
550 | parport_data_forward(port); |
551 | parport_release(db9->pd); |
552 | } |
553 | mutex_unlock(&db9->mutex); |
554 | } |
555 | |
556 | static struct db9 __init *db9_probe(int parport, int mode) |
557 | { |
558 | struct db9 *db9; |
559 | const struct db9_mode_data *db9_mode; |
560 | struct parport *pp; |
561 | struct pardevice *pd; |
562 | struct input_dev *input_dev; |
563 | int i, j; |
564 | int err; |
565 | |
566 | if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { |
567 | printk(KERN_ERR "db9.c: Bad device type %d\n", mode); |
568 | err = -EINVAL; |
569 | goto err_out; |
570 | } |
571 | |
572 | db9_mode = &db9_modes[mode]; |
573 | |
574 | pp = parport_find_number(parport); |
575 | if (!pp) { |
576 | printk(KERN_ERR "db9.c: no such parport\n"); |
577 | err = -ENODEV; |
578 | goto err_out; |
579 | } |
580 | |
581 | if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { |
582 | printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); |
583 | err = -EINVAL; |
584 | goto err_put_pp; |
585 | } |
586 | |
587 | pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); |
588 | if (!pd) { |
589 | printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); |
590 | err = -EBUSY; |
591 | goto err_put_pp; |
592 | } |
593 | |
594 | db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); |
595 | if (!db9) { |
596 | printk(KERN_ERR "db9.c: Not enough memory\n"); |
597 | err = -ENOMEM; |
598 | goto err_unreg_pardev; |
599 | } |
600 | |
601 | mutex_init(&db9->mutex); |
602 | db9->pd = pd; |
603 | db9->mode = mode; |
604 | init_timer(&db9->timer); |
605 | db9->timer.data = (long) db9; |
606 | db9->timer.function = db9_timer; |
607 | |
608 | for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { |
609 | |
610 | db9->dev[i] = input_dev = input_allocate_device(); |
611 | if (!input_dev) { |
612 | printk(KERN_ERR "db9.c: Not enough memory for input device\n"); |
613 | err = -ENOMEM; |
614 | goto err_unreg_devs; |
615 | } |
616 | |
617 | snprintf(db9->phys[i], sizeof(db9->phys[i]), |
618 | "%s/input%d", db9->pd->port->name, i); |
619 | |
620 | input_dev->name = db9_mode->name; |
621 | input_dev->phys = db9->phys[i]; |
622 | input_dev->id.bustype = BUS_PARPORT; |
623 | input_dev->id.vendor = 0x0002; |
624 | input_dev->id.product = mode; |
625 | input_dev->id.version = 0x0100; |
626 | |
627 | input_set_drvdata(input_dev, db9); |
628 | |
629 | input_dev->open = db9_open; |
630 | input_dev->close = db9_close; |
631 | |
632 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
633 | for (j = 0; j < db9_mode->n_buttons; j++) |
634 | set_bit(db9_mode->buttons[j], input_dev->keybit); |
635 | for (j = 0; j < db9_mode->n_axis; j++) { |
636 | if (j < 2) |
637 | input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0); |
638 | else |
639 | input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); |
640 | } |
641 | |
642 | err = input_register_device(input_dev); |
643 | if (err) |
644 | goto err_free_dev; |
645 | } |
646 | |
647 | parport_put_port(pp); |
648 | return db9; |
649 | |
650 | err_free_dev: |
651 | input_free_device(db9->dev[i]); |
652 | err_unreg_devs: |
653 | while (--i >= 0) |
654 | input_unregister_device(db9->dev[i]); |
655 | kfree(db9); |
656 | err_unreg_pardev: |
657 | parport_unregister_device(pd); |
658 | err_put_pp: |
659 | parport_put_port(pp); |
660 | err_out: |
661 | return ERR_PTR(err); |
662 | } |
663 | |
664 | static void db9_remove(struct db9 *db9) |
665 | { |
666 | int i; |
667 | |
668 | for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) |
669 | input_unregister_device(db9->dev[i]); |
670 | parport_unregister_device(db9->pd); |
671 | kfree(db9); |
672 | } |
673 | |
674 | static int __init db9_init(void) |
675 | { |
676 | int i; |
677 | int have_dev = 0; |
678 | int err = 0; |
679 | |
680 | for (i = 0; i < DB9_MAX_PORTS; i++) { |
681 | if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0) |
682 | continue; |
683 | |
684 | if (db9_cfg[i].nargs < 2) { |
685 | printk(KERN_ERR "db9.c: Device type must be specified.\n"); |
686 | err = -EINVAL; |
687 | break; |
688 | } |
689 | |
690 | db9_base[i] = db9_probe(db9_cfg[i].args[DB9_ARG_PARPORT], |
691 | db9_cfg[i].args[DB9_ARG_MODE]); |
692 | if (IS_ERR(db9_base[i])) { |
693 | err = PTR_ERR(db9_base[i]); |
694 | break; |
695 | } |
696 | |
697 | have_dev = 1; |
698 | } |
699 | |
700 | if (err) { |
701 | while (--i >= 0) |
702 | if (db9_base[i]) |
703 | db9_remove(db9_base[i]); |
704 | return err; |
705 | } |
706 | |
707 | return have_dev ? 0 : -ENODEV; |
708 | } |
709 | |
710 | static void __exit db9_exit(void) |
711 | { |
712 | int i; |
713 | |
714 | for (i = 0; i < DB9_MAX_PORTS; i++) |
715 | if (db9_base[i]) |
716 | db9_remove(db9_base[i]); |
717 | } |
718 | |
719 | module_init(db9_init); |
720 | module_exit(db9_exit); |
721 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9