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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * Copyright (c) 1999-2001 Vojtech Pavlik |
4 | * | |
5 | * Based on the work of: | |
96de0e25 | 6 | * Andree Borrmann Mats Sjövall |
1da177e4 LT |
7 | */ |
8 | ||
9 | /* | |
10 | * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux | |
11 | */ | |
12 | ||
13 | /* | |
1da177e4 LT |
14 | */ |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/module.h> | |
1da177e4 LT |
18 | #include <linux/delay.h> |
19 | #include <linux/init.h> | |
20 | #include <linux/parport.h> | |
21 | #include <linux/input.h> | |
72ba9f0c | 22 | #include <linux/mutex.h> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
1da177e4 LT |
24 | |
25 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
26 | MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); | |
27 | MODULE_LICENSE("GPL"); | |
28 | ||
17dd3f0f DT |
29 | struct db9_config { |
30 | int args[2]; | |
78167236 | 31 | unsigned int nargs; |
17dd3f0f | 32 | }; |
1da177e4 | 33 | |
17dd3f0f | 34 | #define DB9_MAX_PORTS 3 |
2260c419 | 35 | static struct db9_config db9_cfg[DB9_MAX_PORTS]; |
1da177e4 | 36 | |
78167236 | 37 | module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0); |
17dd3f0f | 38 | MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); |
0e2a4fd2 | 39 | module_param_array_named(dev2, db9_cfg[1].args, int, &db9_cfg[1].nargs, 0); |
17dd3f0f | 40 | MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)"); |
78167236 | 41 | module_param_array_named(dev3, db9_cfg[2].args, int, &db9_cfg[2].nargs, 0); |
1da177e4 LT |
42 | MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)"); |
43 | ||
17dd3f0f DT |
44 | #define DB9_ARG_PARPORT 0 |
45 | #define DB9_ARG_MODE 1 | |
46 | ||
1da177e4 LT |
47 | #define DB9_MULTI_STICK 0x01 |
48 | #define DB9_MULTI2_STICK 0x02 | |
49 | #define DB9_GENESIS_PAD 0x03 | |
50 | #define DB9_GENESIS5_PAD 0x05 | |
51 | #define DB9_GENESIS6_PAD 0x06 | |
52 | #define DB9_SATURN_PAD 0x07 | |
53 | #define DB9_MULTI_0802 0x08 | |
54 | #define DB9_MULTI_0802_2 0x09 | |
55 | #define DB9_CD32_PAD 0x0A | |
56 | #define DB9_SATURN_DPP 0x0B | |
57 | #define DB9_SATURN_DPP_2 0x0C | |
58 | #define DB9_MAX_PAD 0x0D | |
59 | ||
60 | #define DB9_UP 0x01 | |
61 | #define DB9_DOWN 0x02 | |
62 | #define DB9_LEFT 0x04 | |
63 | #define DB9_RIGHT 0x08 | |
64 | #define DB9_FIRE1 0x10 | |
65 | #define DB9_FIRE2 0x20 | |
66 | #define DB9_FIRE3 0x40 | |
67 | #define DB9_FIRE4 0x80 | |
68 | ||
69 | #define DB9_NORMAL 0x0a | |
70 | #define DB9_NOSELECT 0x08 | |
71 | ||
1da177e4 LT |
72 | #define DB9_GENESIS6_DELAY 14 |
73 | #define DB9_REFRESH_TIME HZ/100 | |
74 | ||
17dd3f0f DT |
75 | #define DB9_MAX_DEVICES 2 |
76 | ||
77 | struct db9_mode_data { | |
78 | const char *name; | |
79 | const short *buttons; | |
80 | int n_buttons; | |
81 | int n_pads; | |
82 | int n_axis; | |
83 | int bidirectional; | |
84 | int reverse; | |
85 | }; | |
86 | ||
1da177e4 | 87 | struct db9 { |
17dd3f0f | 88 | struct input_dev *dev[DB9_MAX_DEVICES]; |
1da177e4 LT |
89 | struct timer_list timer; |
90 | struct pardevice *pd; | |
91 | int mode; | |
92 | int used; | |
2260c419 | 93 | int parportno; |
72ba9f0c | 94 | struct mutex mutex; |
17dd3f0f | 95 | char phys[DB9_MAX_DEVICES][32]; |
1da177e4 LT |
96 | }; |
97 | ||
98 | static struct db9 *db9_base[3]; | |
99 | ||
17dd3f0f DT |
100 | static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; |
101 | static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; | |
102 | 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 | 103 | 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 |
104 | |
105 | static const struct db9_mode_data db9_modes[] = { | |
106 | { NULL, NULL, 0, 0, 0, 0, 0 }, | |
107 | { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, | |
108 | { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 }, | |
109 | { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 }, | |
110 | { NULL, NULL, 0, 0, 0, 0, 0 }, | |
111 | { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 }, | |
112 | { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 }, | |
113 | { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 }, | |
114 | { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, | |
115 | { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 }, | |
116 | { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 }, | |
117 | { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 }, | |
118 | { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 }, | |
119 | }; | |
1da177e4 LT |
120 | |
121 | /* | |
122 | * Saturn controllers | |
123 | */ | |
124 | #define DB9_SATURN_DELAY 300 | |
125 | static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 }; | |
126 | static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 }; | |
127 | ||
128 | /* | |
129 | * db9_saturn_write_sub() writes 2 bit data. | |
130 | */ | |
131 | static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub) | |
132 | { | |
133 | unsigned char c; | |
134 | ||
135 | switch (type) { | |
136 | case 1: /* DPP1 */ | |
137 | c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data; | |
138 | parport_write_data(port, c); | |
139 | break; | |
140 | case 2: /* DPP2 */ | |
141 | c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03; | |
142 | parport_write_data(port, c); | |
143 | break; | |
144 | case 0: /* DB9 */ | |
145 | c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered; | |
146 | parport_write_control(port, c); | |
147 | break; | |
148 | } | |
149 | } | |
150 | ||
151 | /* | |
152 | * gc_saturn_read_sub() reads 4 bit data. | |
153 | */ | |
154 | static unsigned char db9_saturn_read_sub(struct parport *port, int type) | |
155 | { | |
156 | unsigned char data; | |
157 | ||
158 | if (type) { | |
159 | /* DPP */ | |
160 | data = parport_read_status(port) ^ 0x80; | |
161 | return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0) | |
162 | | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0); | |
163 | } else { | |
164 | /* DB9 */ | |
165 | data = parport_read_data(port) & 0x0f; | |
166 | return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0) | |
167 | | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0); | |
168 | } | |
169 | } | |
170 | ||
171 | /* | |
172 | * db9_saturn_read_analog() sends clock and reads 8 bit data. | |
173 | */ | |
174 | static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered) | |
175 | { | |
176 | unsigned char data; | |
177 | ||
178 | db9_saturn_write_sub(port, type, 0, powered, 0); | |
179 | udelay(DB9_SATURN_DELAY); | |
180 | data = db9_saturn_read_sub(port, type) << 4; | |
181 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
182 | udelay(DB9_SATURN_DELAY); | |
183 | data |= db9_saturn_read_sub(port, type); | |
184 | return data; | |
185 | } | |
186 | ||
187 | /* | |
188 | * db9_saturn_read_packet() reads whole saturn packet at connector | |
189 | * and returns device identifier code. | |
190 | */ | |
191 | static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered) | |
192 | { | |
193 | int i, j; | |
194 | unsigned char tmp; | |
195 | ||
196 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
197 | data[0] = db9_saturn_read_sub(port, type); | |
198 | switch (data[0] & 0x0f) { | |
199 | case 0xf: | |
200 | /* 1111 no pad */ | |
201 | return data[0] = 0xff; | |
202 | case 0x4: case 0x4 | 0x8: | |
203 | /* ?100 : digital controller */ | |
204 | db9_saturn_write_sub(port, type, 0, powered, 1); | |
205 | data[2] = db9_saturn_read_sub(port, type) << 4; | |
206 | db9_saturn_write_sub(port, type, 2, powered, 1); | |
207 | data[1] = db9_saturn_read_sub(port, type) << 4; | |
208 | db9_saturn_write_sub(port, type, 1, powered, 1); | |
209 | data[1] |= db9_saturn_read_sub(port, type); | |
210 | db9_saturn_write_sub(port, type, 3, powered, 1); | |
211 | /* data[2] |= db9_saturn_read_sub(port, type); */ | |
212 | data[2] |= data[0]; | |
213 | return data[0] = 0x02; | |
214 | case 0x1: | |
215 | /* 0001 : analog controller or multitap */ | |
216 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
217 | udelay(DB9_SATURN_DELAY); | |
218 | data[0] = db9_saturn_read_analog(port, type, powered); | |
219 | if (data[0] != 0x41) { | |
220 | /* read analog controller */ | |
221 | for (i = 0; i < (data[0] & 0x0f); i++) | |
222 | data[i + 1] = db9_saturn_read_analog(port, type, powered); | |
223 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
224 | return data[0]; | |
225 | } else { | |
226 | /* read multitap */ | |
227 | if (db9_saturn_read_analog(port, type, powered) != 0x60) | |
228 | return data[0] = 0xff; | |
229 | for (i = 0; i < 60; i += 10) { | |
230 | data[i] = db9_saturn_read_analog(port, type, powered); | |
231 | if (data[i] != 0xff) | |
232 | /* read each pad */ | |
233 | for (j = 0; j < (data[i] & 0x0f); j++) | |
234 | data[i + j + 1] = db9_saturn_read_analog(port, type, powered); | |
235 | } | |
236 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
237 | return 0x41; | |
238 | } | |
239 | case 0x0: | |
240 | /* 0000 : mouse */ | |
241 | db9_saturn_write_sub(port, type, 2, powered, 0); | |
242 | udelay(DB9_SATURN_DELAY); | |
243 | tmp = db9_saturn_read_analog(port, type, powered); | |
244 | if (tmp == 0xff) { | |
245 | for (i = 0; i < 3; i++) | |
246 | data[i + 1] = db9_saturn_read_analog(port, type, powered); | |
247 | db9_saturn_write_sub(port, type, 3, powered, 0); | |
248 | return data[0] = 0xe3; | |
249 | } | |
4e116e93 | 250 | /* fall through */ |
1da177e4 LT |
251 | default: |
252 | return data[0]; | |
253 | } | |
254 | } | |
255 | ||
256 | /* | |
257 | * db9_saturn_report() analyzes packet and reports. | |
258 | */ | |
84c61896 | 259 | static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads) |
1da177e4 | 260 | { |
84c61896 | 261 | struct input_dev *dev; |
1da177e4 LT |
262 | int tmp, i, j; |
263 | ||
264 | tmp = (id == 0x41) ? 60 : 10; | |
84c61896 DT |
265 | for (j = 0; j < tmp && n < max_pads; j += 10, n++) { |
266 | dev = devs[n]; | |
1da177e4 LT |
267 | switch (data[j]) { |
268 | case 0x16: /* multi controller (analog 4 axis) */ | |
84c61896 | 269 | input_report_abs(dev, db9_abs[5], data[j + 6]); |
17a4ed55 | 270 | /* fall through */ |
1da177e4 | 271 | case 0x15: /* mission stick (analog 3 axis) */ |
84c61896 DT |
272 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
273 | input_report_abs(dev, db9_abs[4], data[j + 5]); | |
17a4ed55 | 274 | /* fall through */ |
1da177e4 | 275 | case 0x13: /* racing controller (analog 1 axis) */ |
84c61896 | 276 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
17a4ed55 | 277 | /* fall through */ |
1da177e4 LT |
278 | case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */ |
279 | case 0x02: /* digital pad (digital 2 axis + buttons) */ | |
84c61896 DT |
280 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
281 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); | |
1da177e4 | 282 | for (i = 0; i < 9; i++) |
84c61896 | 283 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
1da177e4 LT |
284 | break; |
285 | case 0x19: /* mission stick x2 (analog 6 axis + buttons) */ | |
84c61896 DT |
286 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
287 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); | |
1da177e4 | 288 | for (i = 0; i < 9; i++) |
84c61896 DT |
289 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
290 | input_report_abs(dev, db9_abs[2], data[j + 3]); | |
291 | input_report_abs(dev, db9_abs[3], data[j + 4]); | |
292 | input_report_abs(dev, db9_abs[4], data[j + 5]); | |
1da177e4 | 293 | /* |
84c61896 DT |
294 | input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1)); |
295 | input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1)); | |
1da177e4 | 296 | */ |
84c61896 DT |
297 | input_report_abs(dev, db9_abs[6], data[j + 7]); |
298 | input_report_abs(dev, db9_abs[7], data[j + 8]); | |
299 | input_report_abs(dev, db9_abs[5], data[j + 9]); | |
1da177e4 LT |
300 | break; |
301 | case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */ | |
84c61896 DT |
302 | input_report_key(dev, BTN_A, data[j + 3] & 0x80); |
303 | input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f); | |
1da177e4 LT |
304 | break; |
305 | case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */ | |
84c61896 DT |
306 | input_report_key(dev, BTN_START, data[j + 1] & 0x08); |
307 | input_report_key(dev, BTN_A, data[j + 1] & 0x04); | |
308 | input_report_key(dev, BTN_C, data[j + 1] & 0x02); | |
309 | input_report_key(dev, BTN_B, data[j + 1] & 0x01); | |
310 | input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80); | |
311 | input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */ | |
1da177e4 LT |
312 | break; |
313 | case 0xff: | |
314 | default: /* no pad */ | |
84c61896 DT |
315 | input_report_abs(dev, db9_abs[0], 0); |
316 | input_report_abs(dev, db9_abs[1], 0); | |
1da177e4 | 317 | for (i = 0; i < 9; i++) |
84c61896 | 318 | input_report_key(dev, db9_cd32_btn[i], 0); |
1da177e4 LT |
319 | break; |
320 | } | |
321 | } | |
322 | return n; | |
323 | } | |
324 | ||
84c61896 | 325 | static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) |
1da177e4 LT |
326 | { |
327 | unsigned char id, data[60]; | |
328 | int type, n, max_pads; | |
329 | int tmp, i; | |
330 | ||
331 | switch (mode) { | |
332 | case DB9_SATURN_PAD: | |
333 | type = 0; | |
334 | n = 1; | |
335 | break; | |
336 | case DB9_SATURN_DPP: | |
337 | type = 1; | |
338 | n = 1; | |
339 | break; | |
340 | case DB9_SATURN_DPP_2: | |
341 | type = 1; | |
342 | n = 2; | |
343 | break; | |
344 | default: | |
345 | return -1; | |
346 | } | |
17dd3f0f | 347 | max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES); |
1da177e4 LT |
348 | for (tmp = 0, i = 0; i < n; i++) { |
349 | id = db9_saturn_read_packet(port, data, type + i, 1); | |
84c61896 | 350 | tmp = db9_saturn_report(id, data, devs, tmp, max_pads); |
1da177e4 LT |
351 | } |
352 | return 0; | |
353 | } | |
354 | ||
e99e88a9 | 355 | static void db9_timer(struct timer_list *t) |
1da177e4 | 356 | { |
e99e88a9 | 357 | struct db9 *db9 = from_timer(db9, t, timer); |
1da177e4 | 358 | struct parport *port = db9->pd->port; |
17dd3f0f DT |
359 | struct input_dev *dev = db9->dev[0]; |
360 | struct input_dev *dev2 = db9->dev[1]; | |
1da177e4 LT |
361 | int data, i; |
362 | ||
17dd3f0f | 363 | switch (db9->mode) { |
1da177e4 LT |
364 | case DB9_MULTI_0802_2: |
365 | ||
366 | data = parport_read_data(port) >> 3; | |
367 | ||
17dd3f0f DT |
368 | input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
369 | input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
370 | input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1); | |
17a4ed55 | 371 | /* fall through */ |
1da177e4 LT |
372 | |
373 | case DB9_MULTI_0802: | |
374 | ||
375 | data = parport_read_status(port) >> 3; | |
376 | ||
377 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
378 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
379 | input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); | |
380 | break; | |
381 | ||
382 | case DB9_MULTI_STICK: | |
383 | ||
384 | data = parport_read_data(port); | |
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_MULTI2_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 | input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); | |
399 | break; | |
400 | ||
401 | case DB9_GENESIS_PAD: | |
402 | ||
403 | parport_write_control(port, DB9_NOSELECT); | |
404 | data = parport_read_data(port); | |
405 | ||
406 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
407 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
408 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
409 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
410 | ||
411 | parport_write_control(port, DB9_NORMAL); | |
17dd3f0f | 412 | data = parport_read_data(port); |
1da177e4 LT |
413 | |
414 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
415 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); | |
416 | break; | |
417 | ||
418 | case DB9_GENESIS5_PAD: | |
419 | ||
420 | parport_write_control(port, DB9_NOSELECT); | |
17dd3f0f | 421 | data = parport_read_data(port); |
1da177e4 LT |
422 | |
423 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
424 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
425 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
426 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
427 | ||
428 | parport_write_control(port, DB9_NORMAL); | |
17dd3f0f | 429 | data = parport_read_data(port); |
1da177e4 LT |
430 | |
431 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
432 | input_report_key(dev, BTN_X, ~data & DB9_FIRE2); | |
433 | input_report_key(dev, BTN_Y, ~data & DB9_LEFT); | |
434 | input_report_key(dev, BTN_START, ~data & DB9_RIGHT); | |
435 | break; | |
436 | ||
437 | case DB9_GENESIS6_PAD: | |
438 | ||
439 | parport_write_control(port, DB9_NOSELECT); /* 1 */ | |
440 | udelay(DB9_GENESIS6_DELAY); | |
17dd3f0f | 441 | data = parport_read_data(port); |
1da177e4 LT |
442 | |
443 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
444 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
445 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); | |
446 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); | |
447 | ||
448 | parport_write_control(port, DB9_NORMAL); | |
449 | udelay(DB9_GENESIS6_DELAY); | |
17dd3f0f | 450 | data = parport_read_data(port); |
1da177e4 LT |
451 | |
452 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); | |
453 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); | |
454 | ||
455 | parport_write_control(port, DB9_NOSELECT); /* 2 */ | |
456 | udelay(DB9_GENESIS6_DELAY); | |
457 | parport_write_control(port, DB9_NORMAL); | |
458 | udelay(DB9_GENESIS6_DELAY); | |
459 | parport_write_control(port, DB9_NOSELECT); /* 3 */ | |
460 | udelay(DB9_GENESIS6_DELAY); | |
461 | data=parport_read_data(port); | |
462 | ||
463 | input_report_key(dev, BTN_X, ~data & DB9_LEFT); | |
464 | input_report_key(dev, BTN_Y, ~data & DB9_DOWN); | |
465 | input_report_key(dev, BTN_Z, ~data & DB9_UP); | |
466 | input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT); | |
467 | ||
468 | parport_write_control(port, DB9_NORMAL); | |
469 | udelay(DB9_GENESIS6_DELAY); | |
470 | parport_write_control(port, DB9_NOSELECT); /* 4 */ | |
471 | udelay(DB9_GENESIS6_DELAY); | |
472 | parport_write_control(port, DB9_NORMAL); | |
473 | break; | |
474 | ||
475 | case DB9_SATURN_PAD: | |
476 | case DB9_SATURN_DPP: | |
477 | case DB9_SATURN_DPP_2: | |
478 | ||
84c61896 | 479 | db9_saturn(db9->mode, port, db9->dev); |
1da177e4 LT |
480 | break; |
481 | ||
482 | case DB9_CD32_PAD: | |
483 | ||
17dd3f0f | 484 | data = parport_read_data(port); |
1da177e4 LT |
485 | |
486 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); | |
487 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); | |
488 | ||
489 | parport_write_control(port, 0x0a); | |
490 | ||
491 | for (i = 0; i < 7; i++) { | |
492 | data = parport_read_data(port); | |
493 | parport_write_control(port, 0x02); | |
494 | parport_write_control(port, 0x0a); | |
495 | input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); | |
17dd3f0f | 496 | } |
1da177e4 LT |
497 | |
498 | parport_write_control(port, 0x00); | |
499 | break; | |
500 | } | |
501 | ||
502 | input_sync(dev); | |
503 | ||
504 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); | |
505 | } | |
506 | ||
507 | static int db9_open(struct input_dev *dev) | |
508 | { | |
8715c1cf | 509 | struct db9 *db9 = input_get_drvdata(dev); |
1da177e4 | 510 | struct parport *port = db9->pd->port; |
8b1a198b DT |
511 | int err; |
512 | ||
72ba9f0c | 513 | err = mutex_lock_interruptible(&db9->mutex); |
8b1a198b DT |
514 | if (err) |
515 | return err; | |
1da177e4 LT |
516 | |
517 | if (!db9->used++) { | |
518 | parport_claim(db9->pd); | |
519 | parport_write_data(port, 0xff); | |
17dd3f0f | 520 | if (db9_modes[db9->mode].reverse) { |
1da177e4 LT |
521 | parport_data_reverse(port); |
522 | parport_write_control(port, DB9_NORMAL); | |
523 | } | |
524 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); | |
525 | } | |
526 | ||
72ba9f0c | 527 | mutex_unlock(&db9->mutex); |
1da177e4 LT |
528 | return 0; |
529 | } | |
530 | ||
531 | static void db9_close(struct input_dev *dev) | |
532 | { | |
8715c1cf | 533 | struct db9 *db9 = input_get_drvdata(dev); |
1da177e4 LT |
534 | struct parport *port = db9->pd->port; |
535 | ||
72ba9f0c | 536 | mutex_lock(&db9->mutex); |
1da177e4 | 537 | if (!--db9->used) { |
8b1a198b | 538 | del_timer_sync(&db9->timer); |
1da177e4 LT |
539 | parport_write_control(port, 0x00); |
540 | parport_data_forward(port); | |
541 | parport_release(db9->pd); | |
542 | } | |
72ba9f0c | 543 | mutex_unlock(&db9->mutex); |
1da177e4 LT |
544 | } |
545 | ||
2260c419 | 546 | static void db9_attach(struct parport *pp) |
1da177e4 LT |
547 | { |
548 | struct db9 *db9; | |
17dd3f0f | 549 | const struct db9_mode_data *db9_mode; |
17dd3f0f DT |
550 | struct pardevice *pd; |
551 | struct input_dev *input_dev; | |
dd23bf10 | 552 | int i, j, port_idx; |
2260c419 SM |
553 | int mode; |
554 | struct pardev_cb db9_parport_cb; | |
555 | ||
dd23bf10 SM |
556 | for (port_idx = 0; port_idx < DB9_MAX_PORTS; port_idx++) { |
557 | if (db9_cfg[port_idx].nargs == 0 || | |
558 | db9_cfg[port_idx].args[DB9_ARG_PARPORT] < 0) | |
2260c419 SM |
559 | continue; |
560 | ||
dd23bf10 | 561 | if (db9_cfg[port_idx].args[DB9_ARG_PARPORT] == pp->number) |
2260c419 SM |
562 | break; |
563 | } | |
564 | ||
dd23bf10 | 565 | if (port_idx == DB9_MAX_PORTS) { |
2260c419 SM |
566 | pr_debug("Not using parport%d.\n", pp->number); |
567 | return; | |
568 | } | |
569 | ||
dd23bf10 | 570 | mode = db9_cfg[port_idx].args[DB9_ARG_MODE]; |
1da177e4 | 571 | |
17dd3f0f DT |
572 | if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { |
573 | printk(KERN_ERR "db9.c: Bad device type %d\n", mode); | |
2260c419 | 574 | return; |
1da177e4 LT |
575 | } |
576 | ||
17dd3f0f | 577 | db9_mode = &db9_modes[mode]; |
1da177e4 | 578 | |
0a3a6d69 | 579 | if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { |
17dd3f0f | 580 | printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); |
2260c419 | 581 | return; |
17dd3f0f DT |
582 | } |
583 | ||
42beaccb | 584 | memset(&db9_parport_cb, 0, sizeof(db9_parport_cb)); |
2260c419 SM |
585 | db9_parport_cb.flags = PARPORT_FLAG_EXCL; |
586 | ||
dd23bf10 | 587 | pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx); |
17dd3f0f DT |
588 | if (!pd) { |
589 | printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); | |
2260c419 | 590 | return; |
1da177e4 LT |
591 | } |
592 | ||
17dd3f0f | 593 | db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); |
2260c419 | 594 | if (!db9) |
17dd3f0f | 595 | goto err_unreg_pardev; |
1da177e4 | 596 | |
72ba9f0c | 597 | mutex_init(&db9->mutex); |
17dd3f0f DT |
598 | db9->pd = pd; |
599 | db9->mode = mode; | |
2260c419 | 600 | db9->parportno = pp->number; |
e99e88a9 | 601 | timer_setup(&db9->timer, db9_timer, 0); |
1da177e4 | 602 | |
17dd3f0f | 603 | for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { |
1da177e4 | 604 | |
17dd3f0f DT |
605 | db9->dev[i] = input_dev = input_allocate_device(); |
606 | if (!input_dev) { | |
607 | printk(KERN_ERR "db9.c: Not enough memory for input device\n"); | |
2e9d675e | 608 | goto err_unreg_devs; |
17dd3f0f | 609 | } |
1da177e4 | 610 | |
10ca4c0a DT |
611 | snprintf(db9->phys[i], sizeof(db9->phys[i]), |
612 | "%s/input%d", db9->pd->port->name, i); | |
1da177e4 | 613 | |
17dd3f0f DT |
614 | input_dev->name = db9_mode->name; |
615 | input_dev->phys = db9->phys[i]; | |
616 | input_dev->id.bustype = BUS_PARPORT; | |
617 | input_dev->id.vendor = 0x0002; | |
618 | input_dev->id.product = mode; | |
619 | input_dev->id.version = 0x0100; | |
8715c1cf DT |
620 | |
621 | input_set_drvdata(input_dev, db9); | |
17dd3f0f DT |
622 | |
623 | input_dev->open = db9_open; | |
624 | input_dev->close = db9_close; | |
625 | ||
7b19ada2 | 626 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
17dd3f0f DT |
627 | for (j = 0; j < db9_mode->n_buttons; j++) |
628 | set_bit(db9_mode->buttons[j], input_dev->keybit); | |
629 | for (j = 0; j < db9_mode->n_axis; j++) { | |
630 | if (j < 2) | |
631 | input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0); | |
632 | else | |
633 | input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); | |
1da177e4 | 634 | } |
17dd3f0f | 635 | |
2260c419 | 636 | if (input_register_device(input_dev)) |
2e9d675e | 637 | goto err_free_dev; |
1da177e4 LT |
638 | } |
639 | ||
dd23bf10 | 640 | db9_base[port_idx] = db9; |
2260c419 | 641 | return; |
17dd3f0f | 642 | |
2e9d675e DT |
643 | err_free_dev: |
644 | input_free_device(db9->dev[i]); | |
645 | err_unreg_devs: | |
17dd3f0f DT |
646 | while (--i >= 0) |
647 | input_unregister_device(db9->dev[i]); | |
648 | kfree(db9); | |
649 | err_unreg_pardev: | |
650 | parport_unregister_device(pd); | |
17dd3f0f DT |
651 | } |
652 | ||
2260c419 | 653 | static void db9_detach(struct parport *port) |
17dd3f0f DT |
654 | { |
655 | int i; | |
2260c419 SM |
656 | struct db9 *db9; |
657 | ||
658 | for (i = 0; i < DB9_MAX_PORTS; i++) { | |
659 | if (db9_base[i] && db9_base[i]->parportno == port->number) | |
660 | break; | |
661 | } | |
662 | ||
663 | if (i == DB9_MAX_PORTS) | |
664 | return; | |
665 | ||
666 | db9 = db9_base[i]; | |
dd23bf10 | 667 | db9_base[i] = NULL; |
17dd3f0f DT |
668 | |
669 | for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) | |
670 | input_unregister_device(db9->dev[i]); | |
671 | parport_unregister_device(db9->pd); | |
672 | kfree(db9); | |
1da177e4 LT |
673 | } |
674 | ||
2260c419 SM |
675 | static struct parport_driver db9_parport_driver = { |
676 | .name = "db9", | |
677 | .match_port = db9_attach, | |
678 | .detach = db9_detach, | |
679 | .devmodel = true, | |
680 | }; | |
681 | ||
1da177e4 LT |
682 | static int __init db9_init(void) |
683 | { | |
17dd3f0f DT |
684 | int i; |
685 | int have_dev = 0; | |
17dd3f0f DT |
686 | |
687 | for (i = 0; i < DB9_MAX_PORTS; i++) { | |
78167236 | 688 | if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0) |
17dd3f0f DT |
689 | continue; |
690 | ||
78167236 | 691 | if (db9_cfg[i].nargs < 2) { |
17dd3f0f | 692 | printk(KERN_ERR "db9.c: Device type must be specified.\n"); |
2260c419 | 693 | return -EINVAL; |
17dd3f0f DT |
694 | } |
695 | ||
696 | have_dev = 1; | |
697 | } | |
1da177e4 | 698 | |
2260c419 SM |
699 | if (!have_dev) |
700 | return -ENODEV; | |
1da177e4 | 701 | |
2260c419 | 702 | return parport_register_driver(&db9_parport_driver); |
1da177e4 LT |
703 | } |
704 | ||
705 | static void __exit db9_exit(void) | |
706 | { | |
2260c419 | 707 | parport_unregister_driver(&db9_parport_driver); |
1da177e4 LT |
708 | } |
709 | ||
710 | module_init(db9_init); | |
711 | module_exit(db9_exit); |