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