1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
|
/*
* File: arch/blackfin/kernel/bfin_gpio.h
* Based on:
* Author: Michael Hennerich (hennerich@blackfin.uclinux.org)
*
* Created:
* Description:
*
* Modified:
* Copyright 2004-2008 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Number BF537/6/4 BF561 BF533/2/1
* BF527/5/2
*
* GPIO_0 PF0 PF0 PF0
* GPIO_1 PF1 PF1 PF1
* GPIO_2 PF2 PF2 PF2
* GPIO_3 PF3 PF3 PF3
* GPIO_4 PF4 PF4 PF4
* GPIO_5 PF5 PF5 PF5
* GPIO_6 PF6 PF6 PF6
* GPIO_7 PF7 PF7 PF7
* GPIO_8 PF8 PF8 PF8
* GPIO_9 PF9 PF9 PF9
* GPIO_10 PF10 PF10 PF10
* GPIO_11 PF11 PF11 PF11
* GPIO_12 PF12 PF12 PF12
* GPIO_13 PF13 PF13 PF13
* GPIO_14 PF14 PF14 PF14
* GPIO_15 PF15 PF15 PF15
* GPIO_16 PG0 PF16
* GPIO_17 PG1 PF17
* GPIO_18 PG2 PF18
* GPIO_19 PG3 PF19
* GPIO_20 PG4 PF20
* GPIO_21 PG5 PF21
* GPIO_22 PG6 PF22
* GPIO_23 PG7 PF23
* GPIO_24 PG8 PF24
* GPIO_25 PG9 PF25
* GPIO_26 PG10 PF26
* GPIO_27 PG11 PF27
* GPIO_28 PG12 PF28
* GPIO_29 PG13 PF29
* GPIO_30 PG14 PF30
* GPIO_31 PG15 PF31
* GPIO_32 PH0 PF32
* GPIO_33 PH1 PF33
* GPIO_34 PH2 PF34
* GPIO_35 PH3 PF35
* GPIO_36 PH4 PF36
* GPIO_37 PH5 PF37
* GPIO_38 PH6 PF38
* GPIO_39 PH7 PF39
* GPIO_40 PH8 PF40
* GPIO_41 PH9 PF41
* GPIO_42 PH10 PF42
* GPIO_43 PH11 PF43
* GPIO_44 PH12 PF44
* GPIO_45 PH13 PF45
* GPIO_46 PH14 PF46
* GPIO_47 PH15 PF47
*/
#ifndef __ARCH_BLACKFIN_GPIO_H__
#define __ARCH_BLACKFIN_GPIO_H__
#define gpio_bank(x) ((x) >> 4)
#define gpio_bit(x) (1<<((x) & 0xF))
#define gpio_sub_n(x) ((x) & 0xF)
#define GPIO_BANKSIZE 16
#define GPIO_0 0
#define GPIO_1 1
#define GPIO_2 2
#define GPIO_3 3
#define GPIO_4 4
#define GPIO_5 5
#define GPIO_6 6
#define GPIO_7 7
#define GPIO_8 8
#define GPIO_9 9
#define GPIO_10 10
#define GPIO_11 11
#define GPIO_12 12
#define GPIO_13 13
#define GPIO_14 14
#define GPIO_15 15
#define GPIO_16 16
#define GPIO_17 17
#define GPIO_18 18
#define GPIO_19 19
#define GPIO_20 20
#define GPIO_21 21
#define GPIO_22 22
#define GPIO_23 23
#define GPIO_24 24
#define GPIO_25 25
#define GPIO_26 26
#define GPIO_27 27
#define GPIO_28 28
#define GPIO_29 29
#define GPIO_30 30
#define GPIO_31 31
#define GPIO_32 32
#define GPIO_33 33
#define GPIO_34 34
#define GPIO_35 35
#define GPIO_36 36
#define GPIO_37 37
#define GPIO_38 38
#define GPIO_39 39
#define GPIO_40 40
#define GPIO_41 41
#define GPIO_42 42
#define GPIO_43 43
#define GPIO_44 44
#define GPIO_45 45
#define GPIO_46 46
#define GPIO_47 47
#define PERIPHERAL_USAGE 1
#define GPIO_USAGE 0
#ifdef BF533_FAMILY
#define MAX_BLACKFIN_GPIOS 16
#define GPIO_PF0 0
#define GPIO_PF1 1
#define GPIO_PF2 2
#define GPIO_PF3 3
#define GPIO_PF4 4
#define GPIO_PF5 5
#define GPIO_PF6 6
#define GPIO_PF7 7
#define GPIO_PF8 8
#define GPIO_PF9 9
#define GPIO_PF10 10
#define GPIO_PF11 11
#define GPIO_PF12 12
#define GPIO_PF13 13
#define GPIO_PF14 14
#define GPIO_PF15 15
#endif
#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
#define MAX_BLACKFIN_GPIOS 48
#define GPIO_PF0 0
#define GPIO_PF1 1
#define GPIO_PF2 2
#define GPIO_PF3 3
#define GPIO_PF4 4
#define GPIO_PF5 5
#define GPIO_PF6 6
#define GPIO_PF7 7
#define GPIO_PF8 8
#define GPIO_PF9 9
#define GPIO_PF10 10
#define GPIO_PF11 11
#define GPIO_PF12 12
#define GPIO_PF13 13
#define GPIO_PF14 14
#define GPIO_PF15 15
#define GPIO_PG0 16
#define GPIO_PG1 17
#define GPIO_PG2 18
#define GPIO_PG3 19
#define GPIO_PG4 20
#define GPIO_PG5 21
#define GPIO_PG6 22
#define GPIO_PG7 23
#define GPIO_PG8 24
#define GPIO_PG9 25
#define GPIO_PG10 26
#define GPIO_PG11 27
#define GPIO_PG12 28
#define GPIO_PG13 29
#define GPIO_PG14 30
#define GPIO_PG15 31
#define GPIO_PH0 32
#define GPIO_PH1 33
#define GPIO_PH2 34
#define GPIO_PH3 35
#define GPIO_PH4 36
#define GPIO_PH5 37
#define GPIO_PH6 38
#define GPIO_PH7 39
#define GPIO_PH8 40
#define GPIO_PH9 41
#define GPIO_PH10 42
#define GPIO_PH11 43
#define GPIO_PH12 44
#define GPIO_PH13 45
#define GPIO_PH14 46
#define GPIO_PH15 47
#define PORT_F GPIO_PF0
#define PORT_G GPIO_PG0
#define PORT_H GPIO_PH0
#endif
#ifdef BF548_FAMILY
#include <asm-blackfin/mach-bf548/gpio.h>
#endif
#ifdef BF561_FAMILY
#define MAX_BLACKFIN_GPIOS 48
#define GPIO_PF0 0
#define GPIO_PF1 1
#define GPIO_PF2 2
#define GPIO_PF3 3
#define GPIO_PF4 4
#define GPIO_PF5 5
#define GPIO_PF6 6
#define GPIO_PF7 7
#define GPIO_PF8 8
#define GPIO_PF9 9
#define GPIO_PF10 10
#define GPIO_PF11 11
#define GPIO_PF12 12
#define GPIO_PF13 13
#define GPIO_PF14 14
#define GPIO_PF15 15
#define GPIO_PF16 16
#define GPIO_PF17 17
#define GPIO_PF18 18
#define GPIO_PF19 19
#define GPIO_PF20 20
#define GPIO_PF21 21
#define GPIO_PF22 22
#define GPIO_PF23 23
#define GPIO_PF24 24
#define GPIO_PF25 25
#define GPIO_PF26 26
#define GPIO_PF27 27
#define GPIO_PF28 28
#define GPIO_PF29 29
#define GPIO_PF30 30
#define GPIO_PF31 31
#define GPIO_PF32 32
#define GPIO_PF33 33
#define GPIO_PF34 34
#define GPIO_PF35 35
#define GPIO_PF36 36
#define GPIO_PF37 37
#define GPIO_PF38 38
#define GPIO_PF39 39
#define GPIO_PF40 40
#define GPIO_PF41 41
#define GPIO_PF42 42
#define GPIO_PF43 43
#define GPIO_PF44 44
#define GPIO_PF45 45
#define GPIO_PF46 46
#define GPIO_PF47 47
#define PORT_FIO0 GPIO_0
#define PORT_FIO1 GPIO_16
#define PORT_FIO2 GPIO_32
#endif
#ifndef __ASSEMBLY__
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
*
* INPUTS/OUTPUTS:
* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
*
*
* DESCRIPTION: These functions abstract direct register access
* to Blackfin processor General Purpose
* Ports Regsiters
*
* CAUTION: These functions do not belong to the GPIO Driver API
*************************************************************
* MODIFICATION HISTORY :
**************************************************************/
#ifndef BF548_FAMILY
void set_gpio_dir(unsigned, unsigned short);
void set_gpio_inen(unsigned, unsigned short);
void set_gpio_polar(unsigned, unsigned short);
void set_gpio_edge(unsigned, unsigned short);
void set_gpio_both(unsigned, unsigned short);
void set_gpio_data(unsigned, unsigned short);
void set_gpio_maska(unsigned, unsigned short);
void set_gpio_maskb(unsigned, unsigned short);
void set_gpio_toggle(unsigned);
void set_gpiop_dir(unsigned, unsigned short);
void set_gpiop_inen(unsigned, unsigned short);
void set_gpiop_polar(unsigned, unsigned short);
void set_gpiop_edge(unsigned, unsigned short);
void set_gpiop_both(unsigned, unsigned short);
void set_gpiop_data(unsigned, unsigned short);
void set_gpiop_maska(unsigned, unsigned short);
void set_gpiop_maskb(unsigned, unsigned short);
unsigned short get_gpio_dir(unsigned);
unsigned short get_gpio_inen(unsigned);
unsigned short get_gpio_polar(unsigned);
unsigned short get_gpio_edge(unsigned);
unsigned short get_gpio_both(unsigned);
unsigned short get_gpio_maska(unsigned);
unsigned short get_gpio_maskb(unsigned);
unsigned short get_gpio_data(unsigned);
unsigned short get_gpiop_dir(unsigned);
unsigned short get_gpiop_inen(unsigned);
unsigned short get_gpiop_polar(unsigned);
unsigned short get_gpiop_edge(unsigned);
unsigned short get_gpiop_both(unsigned);
unsigned short get_gpiop_maska(unsigned);
unsigned short get_gpiop_maskb(unsigned);
unsigned short get_gpiop_data(unsigned);
struct gpio_port_t {
unsigned short data;
unsigned short dummy1;
unsigned short data_clear;
unsigned short dummy2;
unsigned short data_set;
unsigned short dummy3;
unsigned short toggle;
unsigned short dummy4;
unsigned short maska;
unsigned short dummy5;
unsigned short maska_clear;
unsigned short dummy6;
unsigned short maska_set;
unsigned short dummy7;
unsigned short maska_toggle;
unsigned short dummy8;
unsigned short maskb;
unsigned short dummy9;
unsigned short maskb_clear;
unsigned short dummy10;
unsigned short maskb_set;
unsigned short dummy11;
unsigned short maskb_toggle;
unsigned short dummy12;
unsigned short dir;
unsigned short dummy13;
unsigned short polar;
unsigned short dummy14;
unsigned short edge;
unsigned short dummy15;
unsigned short both;
unsigned short dummy16;
unsigned short inen;
};
#endif
#ifdef CONFIG_PM
#define PM_WAKE_RISING 0x1
#define PM_WAKE_FALLING 0x2
#define PM_WAKE_HIGH 0x4
#define PM_WAKE_LOW 0x8
#define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING)
int gpio_pm_wakeup_request(unsigned gpio, unsigned char type);
void gpio_pm_wakeup_free(unsigned gpio);
unsigned int gpio_pm_setup(void);
void gpio_pm_restore(void);
struct gpio_port_s {
unsigned short data;
unsigned short data_clear;
unsigned short data_set;
unsigned short toggle;
unsigned short maska;
unsigned short maska_clear;
unsigned short maska_set;
unsigned short maska_toggle;
unsigned short maskb;
unsigned short maskb_clear;
unsigned short maskb_set;
unsigned short maskb_toggle;
unsigned short dir;
unsigned short polar;
unsigned short edge;
unsigned short both;
unsigned short inen;
unsigned short fer;
unsigned short reserved;
};
#endif /*CONFIG_PM*/
/***********************************************************
*
* FUNCTIONS: Blackfin GPIO Driver
*
* INPUTS/OUTPUTS:
* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
*
*
* DESCRIPTION: Blackfin GPIO Driver API
*
* CAUTION:
*************************************************************
* MODIFICATION HISTORY :
**************************************************************/
int gpio_request(unsigned, const char *);
void gpio_free(unsigned);
void gpio_set_value(unsigned gpio, int arg);
int gpio_get_value(unsigned gpio);
#ifndef BF548_FAMILY
#define gpio_get_value(gpio) get_gpio_data(gpio)
#define gpio_set_value(gpio, value) set_gpio_data(gpio, value)
#endif
int gpio_direction_input(unsigned gpio);
int gpio_direction_output(unsigned gpio, int value);
#include <asm-generic/gpio.h> /* cansleep wrappers */
#include <asm/irq.h>
static inline int gpio_to_irq(unsigned gpio)
{
return (gpio + GPIO_IRQ_BASE);
}
static inline int irq_to_gpio(unsigned irq)
{
return (irq - GPIO_IRQ_BASE);
}
#endif /* __ASSEMBLY__ */
#endif /* __ARCH_BLACKFIN_GPIO_H__ */
|
