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-rw-r--r--include/asm-blackfin/gpio.h367
1 files changed, 367 insertions, 0 deletions
diff --git a/include/asm-blackfin/gpio.h b/include/asm-blackfin/gpio.h
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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
147#endif
148
149#ifdef BF537_FAMILY
150#define MAX_BLACKFIN_GPIOS 48
151#define PORT_F 0
152#define PORT_G 1
153#define PORT_H 2
154#define PORT_J 3
155
156#define GPIO_PF0 0
157#define GPIO_PF1 1
158#define GPIO_PF2 2
159#define GPIO_PF3 3
160#define GPIO_PF4 4
161#define GPIO_PF5 5
162#define GPIO_PF6 6
163#define GPIO_PF7 7
164#define GPIO_PF8 8
165#define GPIO_PF9 9
166#define GPIO_PF10 10
167#define GPIO_PF11 11
168#define GPIO_PF12 12
169#define GPIO_PF13 13
170#define GPIO_PF14 14
171#define GPIO_PF15 15
172#define GPIO_PG0 16
173#define GPIO_PG1 17
174#define GPIO_PG2 18
175#define GPIO_PG3 19
176#define GPIO_PG4 20
177#define GPIO_PG5 21
178#define GPIO_PG6 22
179#define GPIO_PG7 23
180#define GPIO_PG8 24
181#define GPIO_PG9 25
182#define GPIO_PG10 26
183#define GPIO_PG11 27
184#define GPIO_PG12 28
185#define GPIO_PG13 29
186#define GPIO_PG14 30
187#define GPIO_PG15 31
188#define GPIO_PH0 32
189#define GPIO_PH1 33
190#define GPIO_PH2 34
191#define GPIO_PH3 35
192#define GPIO_PH4 36
193#define GPIO_PH5 37
194#define GPIO_PH6 38
195#define GPIO_PH7 39
196#define GPIO_PH8 40
197#define GPIO_PH9 41
198#define GPIO_PH10 42
199#define GPIO_PH11 43
200#define GPIO_PH12 44
201#define GPIO_PH13 45
202#define GPIO_PH14 46
203#define GPIO_PH15 47
204
205#endif
206
207#ifdef BF561_FAMILY
208#define MAX_BLACKFIN_GPIOS 48
209#define PORT_FIO0 0
210#define PORT_FIO1 1
211#define PORT_FIO2 2
212#endif
213
214#ifndef __ASSEMBLY__
215
216/***********************************************************
217*
218* FUNCTIONS: Blackfin General Purpose Ports Access Functions
219*
220* INPUTS/OUTPUTS:
221* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
222*
223*
224* DESCRIPTION: These functions abstract direct register access
225* to Blackfin processor General Purpose
226* Ports Regsiters
227*
228* CAUTION: These functions do not belong to the GPIO Driver API
229*************************************************************
230* MODIFICATION HISTORY :
231**************************************************************/
232
233void set_gpio_dir(unsigned short, unsigned short);
234void set_gpio_inen(unsigned short, unsigned short);
235void set_gpio_polar(unsigned short, unsigned short);
236void set_gpio_edge(unsigned short, unsigned short);
237void set_gpio_both(unsigned short, unsigned short);
238void set_gpio_data(unsigned short, unsigned short);
239void set_gpio_maska(unsigned short, unsigned short);
240void set_gpio_maskb(unsigned short, unsigned short);
241void set_gpio_toggle(unsigned short);
242void set_gpiop_dir(unsigned short, unsigned short);
243void set_gpiop_inen(unsigned short, unsigned short);
244void set_gpiop_polar(unsigned short, unsigned short);
245void set_gpiop_edge(unsigned short, unsigned short);
246void set_gpiop_both(unsigned short, unsigned short);
247void set_gpiop_data(unsigned short, unsigned short);
248void set_gpiop_maska(unsigned short, unsigned short);
249void set_gpiop_maskb(unsigned short, unsigned short);
250unsigned short get_gpio_dir(unsigned short);
251unsigned short get_gpio_inen(unsigned short);
252unsigned short get_gpio_polar(unsigned short);
253unsigned short get_gpio_edge(unsigned short);
254unsigned short get_gpio_both(unsigned short);
255unsigned short get_gpio_maska(unsigned short);
256unsigned short get_gpio_maskb(unsigned short);
257unsigned short get_gpio_data(unsigned short);
258unsigned short get_gpiop_dir(unsigned short);
259unsigned short get_gpiop_inen(unsigned short);
260unsigned short get_gpiop_polar(unsigned short);
261unsigned short get_gpiop_edge(unsigned short);
262unsigned short get_gpiop_both(unsigned short);
263unsigned short get_gpiop_maska(unsigned short);
264unsigned short get_gpiop_maskb(unsigned short);
265unsigned short get_gpiop_data(unsigned short);
266
267struct gpio_port_t {
268 unsigned short data;
269 unsigned short dummy1;
270 unsigned short data_clear;
271 unsigned short dummy2;
272 unsigned short data_set;
273 unsigned short dummy3;
274 unsigned short toggle;
275 unsigned short dummy4;
276 unsigned short maska;
277 unsigned short dummy5;
278 unsigned short maska_clear;
279 unsigned short dummy6;
280 unsigned short maska_set;
281 unsigned short dummy7;
282 unsigned short maska_toggle;
283 unsigned short dummy8;
284 unsigned short maskb;
285 unsigned short dummy9;
286 unsigned short maskb_clear;
287 unsigned short dummy10;
288 unsigned short maskb_set;
289 unsigned short dummy11;
290 unsigned short maskb_toggle;
291 unsigned short dummy12;
292 unsigned short dir;
293 unsigned short dummy13;
294 unsigned short polar;
295 unsigned short dummy14;
296 unsigned short edge;
297 unsigned short dummy15;
298 unsigned short both;
299 unsigned short dummy16;
300 unsigned short inen;
301};
302
303#ifdef CONFIG_PM
304#define PM_WAKE_RISING 0x1
305#define PM_WAKE_FALLING 0x2
306#define PM_WAKE_HIGH 0x4
307#define PM_WAKE_LOW 0x8
308#define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING)
309
310int gpio_pm_wakeup_request(unsigned short gpio, unsigned char type);
311void gpio_pm_wakeup_free(unsigned short gpio);
312unsigned int gpio_pm_setup(void);
313void gpio_pm_restore(void);
314
315struct gpio_port_s {
316 unsigned short data;
317 unsigned short data_clear;
318 unsigned short data_set;
319 unsigned short toggle;
320 unsigned short maska;
321 unsigned short maska_clear;
322 unsigned short maska_set;
323 unsigned short maska_toggle;
324 unsigned short maskb;
325 unsigned short maskb_clear;
326 unsigned short maskb_set;
327 unsigned short maskb_toggle;
328 unsigned short dir;
329 unsigned short polar;
330 unsigned short edge;
331 unsigned short both;
332 unsigned short inen;
333
334 unsigned short fer;
335};
336#endif /*CONFIG_PM*/
337
338/***********************************************************
339*
340* FUNCTIONS: Blackfin GPIO Driver
341*
342* INPUTS/OUTPUTS:
343* gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
344*
345*
346* DESCRIPTION: Blackfin GPIO Driver API
347*
348* CAUTION:
349*************************************************************
350* MODIFICATION HISTORY :
351**************************************************************/
352
353int gpio_request(unsigned short, const char *);
354void gpio_free(unsigned short);
355
356void gpio_set_value(unsigned short gpio, unsigned short arg);
357unsigned short gpio_get_value(unsigned short gpio);
358
359#define gpio_get_value(gpio) get_gpio_data(gpio)
360#define gpio_set_value(gpio, value) set_gpio_data(gpio, value)
361
362void gpio_direction_input(unsigned short gpio);
363void gpio_direction_output(unsigned short gpio);
364
365#endif /* __ASSEMBLY__ */
366
367#endif /* __ARCH_BLACKFIN_GPIO_H__ */
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