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review.evervolv.com / android_kernel_oneplus_msm8996 / 214cccbbb22136566e72956fcd23c48c2a4abb33 / . / include / asm-blackfin / gpio.h
blob: dd203cd93796fa1f88c5e5eceb63ed18330e3e92 [file] [log] [blame]
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]1/*
2 * File: arch/blackfin/kernel/bfin_gpio.h
3 * Based on:
4 * Author: Michael Hennerich (hennerich@blackfin.uclinux.org)
5 *
6 * Created:
7 * Description:
8 *
9 * Modified:
10 * Copyright 2004-2006 Analog Devices Inc.
11 *
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, see the file COPYING, or write
26 * to the Free Software Foundation, Inc.,
27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 */
29
30/*
31* Number BF537/6/4 BF561 BF533/2/1
32*
33* GPIO_0 PF0 PF0 PF0
34* GPIO_1 PF1 PF1 PF1
35* GPIO_2 PF2 PF2 PF2
36* GPIO_3 PF3 PF3 PF3
37* GPIO_4 PF4 PF4 PF4
38* GPIO_5 PF5 PF5 PF5
39* GPIO_6 PF6 PF6 PF6
40* GPIO_7 PF7 PF7 PF7
41* GPIO_8 PF8 PF8 PF8
42* GPIO_9 PF9 PF9 PF9
43* GPIO_10 PF10 PF10 PF10
44* GPIO_11 PF11 PF11 PF11
45* GPIO_12 PF12 PF12 PF12
46* GPIO_13 PF13 PF13 PF13
47* GPIO_14 PF14 PF14 PF14
48* GPIO_15 PF15 PF15 PF15
49* GPIO_16 PG0 PF16
50* GPIO_17 PG1 PF17
51* GPIO_18 PG2 PF18
52* GPIO_19 PG3 PF19
53* GPIO_20 PG4 PF20
54* GPIO_21 PG5 PF21
55* GPIO_22 PG6 PF22
56* GPIO_23 PG7 PF23
57* GPIO_24 PG8 PF24
58* GPIO_25 PG9 PF25
59* GPIO_26 PG10 PF26
60* GPIO_27 PG11 PF27
61* GPIO_28 PG12 PF28
62* GPIO_29 PG13 PF29
63* GPIO_30 PG14 PF30
64* GPIO_31 PG15 PF31
65* GPIO_32 PH0 PF32
66* GPIO_33 PH1 PF33
67* GPIO_34 PH2 PF34
68* GPIO_35 PH3 PF35
69* GPIO_36 PH4 PF36
70* GPIO_37 PH5 PF37
71* GPIO_38 PH6 PF38
72* GPIO_39 PH7 PF39
73* GPIO_40 PH8 PF40
74* GPIO_41 PH9 PF41
75* GPIO_42 PH10 PF42
76* GPIO_43 PH11 PF43
77* GPIO_44 PH12 PF44
78* GPIO_45 PH13 PF45
79* GPIO_46 PH14 PF46
80* GPIO_47 PH15 PF47
81*/
82
83#ifndef __ARCH_BLACKFIN_GPIO_H__
84#define __ARCH_BLACKFIN_GPIO_H__
85
86#define gpio_bank(x) ((x) >> 4)
87#define gpio_bit(x) (1<<((x) & 0xF))
88#define gpio_sub_n(x) ((x) & 0xF)
89
90#define GPIO_BANKSIZE 16
91
92#define GPIO_0 0
93#define GPIO_1 1
94#define GPIO_2 2
95#define GPIO_3 3
96#define GPIO_4 4
97#define GPIO_5 5
98#define GPIO_6 6
99#define GPIO_7 7
100#define GPIO_8 8
101#define GPIO_9 9
102#define GPIO_10 10
103#define GPIO_11 11
104#define GPIO_12 12
105#define GPIO_13 13
106#define GPIO_14 14
107#define GPIO_15 15
108#define GPIO_16 16
109#define GPIO_17 17
110#define GPIO_18 18
111#define GPIO_19 19
112#define GPIO_20 20
113#define GPIO_21 21
114#define GPIO_22 22
115#define GPIO_23 23
116#define GPIO_24 24
117#define GPIO_25 25
118#define GPIO_26 26
119#define GPIO_27 27
120#define GPIO_28 28
121#define GPIO_29 29
122#define GPIO_30 30
123#define GPIO_31 31
124#define GPIO_32 32
125#define GPIO_33 33
126#define GPIO_34 34
127#define GPIO_35 35
128#define GPIO_36 36
129#define GPIO_37 37
130#define GPIO_38 38
131#define GPIO_39 39
132#define GPIO_40 40
133#define GPIO_41 41
134#define GPIO_42 42
135#define GPIO_43 43
136#define GPIO_44 44
137#define GPIO_45 45
138#define GPIO_46 46
139#define GPIO_47 47
140
141
142#define PERIPHERAL_USAGE 1
143#define GPIO_USAGE 0
144
145#ifdef BF533_FAMILY
146#define MAX_BLACKFIN_GPIOS 16
Bryan Wu214cccb2007-07-25 14:42:03 +0800[diff] [blame^]147
148#define GPIO_PF0 0
149#define GPIO_PF1 1
150#define GPIO_PF2 2
151#define GPIO_PF3 3
152#define GPIO_PF4 4
153#define GPIO_PF5 5
154#define GPIO_PF6 6
155#define GPIO_PF7 7
156#define GPIO_PF8 8
157#define GPIO_PF9 9
158#define GPIO_PF10 10
159#define GPIO_PF11 11
160#define GPIO_PF12 12
161#define GPIO_PF13 13
162#define GPIO_PF14 14
163#define GPIO_PF15 15
164
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]165#endif
166
167#ifdef BF537_FAMILY
168#define MAX_BLACKFIN_GPIOS 48
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]169
170#define GPIO_PF0 0
171#define GPIO_PF1 1
172#define GPIO_PF2 2
173#define GPIO_PF3 3
174#define GPIO_PF4 4
175#define GPIO_PF5 5
176#define GPIO_PF6 6
177#define GPIO_PF7 7
178#define GPIO_PF8 8
179#define GPIO_PF9 9
180#define GPIO_PF10 10
181#define GPIO_PF11 11
182#define GPIO_PF12 12
183#define GPIO_PF13 13
184#define GPIO_PF14 14
185#define GPIO_PF15 15
186#define GPIO_PG0 16
187#define GPIO_PG1 17
188#define GPIO_PG2 18
189#define GPIO_PG3 19
190#define GPIO_PG4 20
191#define GPIO_PG5 21
192#define GPIO_PG6 22
193#define GPIO_PG7 23
194#define GPIO_PG8 24
195#define GPIO_PG9 25
196#define GPIO_PG10 26
197#define GPIO_PG11 27
198#define GPIO_PG12 28
199#define GPIO_PG13 29
200#define GPIO_PG14 30
201#define GPIO_PG15 31
202#define GPIO_PH0 32
203#define GPIO_PH1 33
204#define GPIO_PH2 34
205#define GPIO_PH3 35
206#define GPIO_PH4 36
207#define GPIO_PH5 37
208#define GPIO_PH6 38
209#define GPIO_PH7 39
210#define GPIO_PH8 40
211#define GPIO_PH9 41
212#define GPIO_PH10 42
213#define GPIO_PH11 43
214#define GPIO_PH12 44
215#define GPIO_PH13 45
216#define GPIO_PH14 46
217#define GPIO_PH15 47
218
Michael Hennerich67840272007-05-21 18:09:18 +0800[diff] [blame]219#define PORT_F GPIO_PF0
220#define PORT_G GPIO_PG0
221#define PORT_H GPIO_PH0
222
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]223#endif
224
Roy Huang24a07a12007-07-12 22:41:45 +0800[diff] [blame]225#ifdef BF548_FAMILY
226#include <asm-blackfin/mach-bf548/gpio.h>
227#endif
228
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]229#ifdef BF561_FAMILY
230#define MAX_BLACKFIN_GPIOS 48
Michael Hennerich5610db62007-07-12 12:32:52 +0800[diff] [blame]231
232#define GPIO_PF0 0
233#define GPIO_PF1 1
234#define GPIO_PF2 2
235#define GPIO_PF3 3
236#define GPIO_PF4 4
237#define GPIO_PF5 5
238#define GPIO_PF6 6
239#define GPIO_PF7 7
240#define GPIO_PF8 8
241#define GPIO_PF9 9
242#define GPIO_PF10 10
243#define GPIO_PF11 11
244#define GPIO_PF12 12
245#define GPIO_PF13 13
246#define GPIO_PF14 14
247#define GPIO_PF15 15
248#define GPIO_PF16 16
249#define GPIO_PF17 17
250#define GPIO_PF18 18
251#define GPIO_PF19 19
252#define GPIO_PF20 20
253#define GPIO_PF21 21
254#define GPIO_PF22 22
255#define GPIO_PF23 23
256#define GPIO_PF24 24
257#define GPIO_PF25 25
258#define GPIO_PF26 26
259#define GPIO_PF27 27
260#define GPIO_PF28 28
261#define GPIO_PF29 29
262#define GPIO_PF30 30
263#define GPIO_PF31 31
264#define GPIO_PF32 32
265#define GPIO_PF33 33
266#define GPIO_PF34 34
267#define GPIO_PF35 35
268#define GPIO_PF36 36
269#define GPIO_PF37 37
270#define GPIO_PF38 38
271#define GPIO_PF39 39
272#define GPIO_PF40 40
273#define GPIO_PF41 41
274#define GPIO_PF42 42
275#define GPIO_PF43 43
276#define GPIO_PF44 44
277#define GPIO_PF45 45
278#define GPIO_PF46 46
279#define GPIO_PF47 47
280
Michael Hennerich67840272007-05-21 18:09:18 +0800[diff] [blame]281#define PORT_FIO0 GPIO_0
282#define PORT_FIO1 GPIO_16
283#define PORT_FIO2 GPIO_32
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]284#endif
285
286#ifndef __ASSEMBLY__
287
288/***********************************************************
289*
290* FUNCTIONS: Blackfin General Purpose Ports Access Functions
291*
292* INPUTS/OUTPUTS:
293* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
294*
295*
296* DESCRIPTION: These functions abstract direct register access
297* to Blackfin processor General Purpose
298* Ports Regsiters
299*
300* CAUTION: These functions do not belong to the GPIO Driver API
301*************************************************************
302* MODIFICATION HISTORY :
303**************************************************************/
304
Michael Hennerichcefe6582007-07-02 11:45:50 +0800[diff] [blame]305#ifndef BF548_FAMILY
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]306void set_gpio_dir(unsigned short, unsigned short);
307void set_gpio_inen(unsigned short, unsigned short);
308void set_gpio_polar(unsigned short, unsigned short);
309void set_gpio_edge(unsigned short, unsigned short);
310void set_gpio_both(unsigned short, unsigned short);
311void set_gpio_data(unsigned short, unsigned short);
312void set_gpio_maska(unsigned short, unsigned short);
313void set_gpio_maskb(unsigned short, unsigned short);
314void set_gpio_toggle(unsigned short);
315void set_gpiop_dir(unsigned short, unsigned short);
316void set_gpiop_inen(unsigned short, unsigned short);
317void set_gpiop_polar(unsigned short, unsigned short);
318void set_gpiop_edge(unsigned short, unsigned short);
319void set_gpiop_both(unsigned short, unsigned short);
320void set_gpiop_data(unsigned short, unsigned short);
321void set_gpiop_maska(unsigned short, unsigned short);
322void set_gpiop_maskb(unsigned short, unsigned short);
323unsigned short get_gpio_dir(unsigned short);
324unsigned short get_gpio_inen(unsigned short);
325unsigned short get_gpio_polar(unsigned short);
326unsigned short get_gpio_edge(unsigned short);
327unsigned short get_gpio_both(unsigned short);
328unsigned short get_gpio_maska(unsigned short);
329unsigned short get_gpio_maskb(unsigned short);
330unsigned short get_gpio_data(unsigned short);
331unsigned short get_gpiop_dir(unsigned short);
332unsigned short get_gpiop_inen(unsigned short);
333unsigned short get_gpiop_polar(unsigned short);
334unsigned short get_gpiop_edge(unsigned short);
335unsigned short get_gpiop_both(unsigned short);
336unsigned short get_gpiop_maska(unsigned short);
337unsigned short get_gpiop_maskb(unsigned short);
338unsigned short get_gpiop_data(unsigned short);
339
340struct gpio_port_t {
341 unsigned short data;
342 unsigned short dummy1;
343 unsigned short data_clear;
344 unsigned short dummy2;
345 unsigned short data_set;
346 unsigned short dummy3;
347 unsigned short toggle;
348 unsigned short dummy4;
349 unsigned short maska;
350 unsigned short dummy5;
351 unsigned short maska_clear;
352 unsigned short dummy6;
353 unsigned short maska_set;
354 unsigned short dummy7;
355 unsigned short maska_toggle;
356 unsigned short dummy8;
357 unsigned short maskb;
358 unsigned short dummy9;
359 unsigned short maskb_clear;
360 unsigned short dummy10;
361 unsigned short maskb_set;
362 unsigned short dummy11;
363 unsigned short maskb_toggle;
364 unsigned short dummy12;
365 unsigned short dir;
366 unsigned short dummy13;
367 unsigned short polar;
368 unsigned short dummy14;
369 unsigned short edge;
370 unsigned short dummy15;
371 unsigned short both;
372 unsigned short dummy16;
373 unsigned short inen;
374};
Roy Huang24a07a12007-07-12 22:41:45 +0800[diff] [blame]375#endif
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]376
377#ifdef CONFIG_PM
378#define PM_WAKE_RISING 0x1
379#define PM_WAKE_FALLING 0x2
380#define PM_WAKE_HIGH 0x4
381#define PM_WAKE_LOW 0x8
382#define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING)
383
384int gpio_pm_wakeup_request(unsigned short gpio, unsigned char type);
385void gpio_pm_wakeup_free(unsigned short gpio);
386unsigned int gpio_pm_setup(void);
387void gpio_pm_restore(void);
388
389struct gpio_port_s {
390 unsigned short data;
391 unsigned short data_clear;
392 unsigned short data_set;
393 unsigned short toggle;
394 unsigned short maska;
395 unsigned short maska_clear;
396 unsigned short maska_set;
397 unsigned short maska_toggle;
398 unsigned short maskb;
399 unsigned short maskb_clear;
400 unsigned short maskb_set;
401 unsigned short maskb_toggle;
402 unsigned short dir;
403 unsigned short polar;
404 unsigned short edge;
405 unsigned short both;
406 unsigned short inen;
407
408 unsigned short fer;
Michael Hennerich581d62a2007-06-14 13:30:23 +0800[diff] [blame]409 unsigned short reserved;
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]410};
411#endif /*CONFIG_PM*/
412
413/***********************************************************
414*
415* FUNCTIONS: Blackfin GPIO Driver
416*
417* INPUTS/OUTPUTS:
418* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
419*
420*
421* DESCRIPTION: Blackfin GPIO Driver API
422*
423* CAUTION:
424*************************************************************
425* MODIFICATION HISTORY :
426**************************************************************/
427
428int gpio_request(unsigned short, const char *);
429void gpio_free(unsigned short);
430
431void gpio_set_value(unsigned short gpio, unsigned short arg);
432unsigned short gpio_get_value(unsigned short gpio);
433
Michael Hennerichcefe6582007-07-02 11:45:50 +0800[diff] [blame]434#ifndef BF548_FAMILY
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]435#define gpio_get_value(gpio) get_gpio_data(gpio)
436#define gpio_set_value(gpio, value) set_gpio_data(gpio, value)
Michael Hennerichcefe6582007-07-02 11:45:50 +0800[diff] [blame]437#endif
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]438
439void gpio_direction_input(unsigned short gpio);
440void gpio_direction_output(unsigned short gpio);
441
Michael Hennerich301af292007-07-24 15:35:53 +0800[diff] [blame]442#include <asm-generic/gpio.h> /* cansleep wrappers */
443#include <asm/irq.h>
444
445static inline int gpio_to_irq(unsigned gpio)
446{
447 return (gpio + GPIO_IRQ_BASE);
448}
449
450static inline int irq_to_gpio(unsigned irq)
451{
452 return (irq - GPIO_IRQ_BASE);
453}
454
Bryan Wu1394f032007-05-06 14:50:22 -0700[diff] [blame]455#endif /* __ASSEMBLY__ */
456
457#endif /* __ARCH_BLACKFIN_GPIO_H__ */