2 * File: arch/blackfin/kernel/bfin_gpio.h
4 * Author: Michael Hennerich (hennerich@blackfin.uclinux.org)
10 * Copyright 2004-2006 Analog Devices Inc.
12 * Bugs: Enter bugs at http://blackfin.uclinux.org/
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.
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.
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
31 * Number BF537/6/4 BF561 BF533/2/1
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
83 #ifndef __ARCH_BLACKFIN_GPIO_H__
84 #define __ARCH_BLACKFIN_GPIO_H__
86 #define gpio_bank(x) ((x) >> 4)
87 #define gpio_bit(x) (1<<((x) & 0xF))
88 #define gpio_sub_n(x) ((x) & 0xF)
90 #define GPIO_BANKSIZE 16
142 #define PERIPHERAL_USAGE 1
146 #define MAX_BLACKFIN_GPIOS 16
150 #define MAX_BLACKFIN_GPIOS 48
201 #define PORT_F GPIO_PF0
202 #define PORT_G GPIO_PG0
203 #define PORT_H GPIO_PH0
208 #include <asm-blackfin/mach-bf548/gpio.h>
212 #define MAX_BLACKFIN_GPIOS 48
213 #define PORT_FIO0 GPIO_0
214 #define PORT_FIO1 GPIO_16
215 #define PORT_FIO2 GPIO_32
220 /***********************************************************
222 * FUNCTIONS: Blackfin General Purpose Ports Access Functions
225 * gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
228 * DESCRIPTION: These functions abstract direct register access
229 * to Blackfin processor General Purpose
232 * CAUTION: These functions do not belong to the GPIO Driver API
233 *************************************************************
234 * MODIFICATION HISTORY :
235 **************************************************************/
237 void set_gpio_dir(unsigned short, unsigned short);
238 void set_gpio_inen(unsigned short, unsigned short);
239 void set_gpio_polar(unsigned short, unsigned short);
240 void set_gpio_edge(unsigned short, unsigned short);
241 void set_gpio_both(unsigned short, unsigned short);
242 void set_gpio_data(unsigned short, unsigned short);
243 void set_gpio_maska(unsigned short, unsigned short);
244 void set_gpio_maskb(unsigned short, unsigned short);
245 void set_gpio_toggle(unsigned short);
246 void set_gpiop_dir(unsigned short, unsigned short);
247 void set_gpiop_inen(unsigned short, unsigned short);
248 void set_gpiop_polar(unsigned short, unsigned short);
249 void set_gpiop_edge(unsigned short, unsigned short);
250 void set_gpiop_both(unsigned short, unsigned short);
251 void set_gpiop_data(unsigned short, unsigned short);
252 void set_gpiop_maska(unsigned short, unsigned short);
253 void set_gpiop_maskb(unsigned short, unsigned short);
254 unsigned short get_gpio_dir(unsigned short);
255 unsigned short get_gpio_inen(unsigned short);
256 unsigned short get_gpio_polar(unsigned short);
257 unsigned short get_gpio_edge(unsigned short);
258 unsigned short get_gpio_both(unsigned short);
259 unsigned short get_gpio_maska(unsigned short);
260 unsigned short get_gpio_maskb(unsigned short);
261 unsigned short get_gpio_data(unsigned short);
262 unsigned short get_gpiop_dir(unsigned short);
263 unsigned short get_gpiop_inen(unsigned short);
264 unsigned short get_gpiop_polar(unsigned short);
265 unsigned short get_gpiop_edge(unsigned short);
266 unsigned short get_gpiop_both(unsigned short);
267 unsigned short get_gpiop_maska(unsigned short);
268 unsigned short get_gpiop_maskb(unsigned short);
269 unsigned short get_gpiop_data(unsigned short);
274 unsigned short dummy1;
275 unsigned short data_clear;
276 unsigned short dummy2;
277 unsigned short data_set;
278 unsigned short dummy3;
279 unsigned short toggle;
280 unsigned short dummy4;
281 unsigned short maska;
282 unsigned short dummy5;
283 unsigned short maska_clear;
284 unsigned short dummy6;
285 unsigned short maska_set;
286 unsigned short dummy7;
287 unsigned short maska_toggle;
288 unsigned short dummy8;
289 unsigned short maskb;
290 unsigned short dummy9;
291 unsigned short maskb_clear;
292 unsigned short dummy10;
293 unsigned short maskb_set;
294 unsigned short dummy11;
295 unsigned short maskb_toggle;
296 unsigned short dummy12;
298 unsigned short dummy13;
299 unsigned short polar;
300 unsigned short dummy14;
302 unsigned short dummy15;
304 unsigned short dummy16;
310 #define PM_WAKE_RISING 0x1
311 #define PM_WAKE_FALLING 0x2
312 #define PM_WAKE_HIGH 0x4
313 #define PM_WAKE_LOW 0x8
314 #define PM_WAKE_BOTH_EDGES (PM_WAKE_RISING | PM_WAKE_FALLING)
316 int gpio_pm_wakeup_request(unsigned short gpio, unsigned char type);
317 void gpio_pm_wakeup_free(unsigned short gpio);
318 unsigned int gpio_pm_setup(void);
319 void gpio_pm_restore(void);
323 unsigned short data_clear;
324 unsigned short data_set;
325 unsigned short toggle;
326 unsigned short maska;
327 unsigned short maska_clear;
328 unsigned short maska_set;
329 unsigned short maska_toggle;
330 unsigned short maskb;
331 unsigned short maskb_clear;
332 unsigned short maskb_set;
333 unsigned short maskb_toggle;
335 unsigned short polar;
341 unsigned short reserved;
345 /***********************************************************
347 * FUNCTIONS: Blackfin GPIO Driver
350 * gpio - GPIO Number between 0 and MAX_BLACKFIN_GPIOS
353 * DESCRIPTION: Blackfin GPIO Driver API
356 *************************************************************
357 * MODIFICATION HISTORY :
358 **************************************************************/
360 int gpio_request(unsigned short, const char *);
361 void gpio_free(unsigned short);
363 void gpio_set_value(unsigned short gpio, unsigned short arg);
364 unsigned short gpio_get_value(unsigned short gpio);
366 #define gpio_get_value(gpio) get_gpio_data(gpio)
367 #define gpio_set_value(gpio, value) set_gpio_data(gpio, value)
369 void gpio_direction_input(unsigned short gpio);
370 void gpio_direction_output(unsigned short gpio);
372 #endif /* __ASSEMBLY__ */
374 #endif /* __ARCH_BLACKFIN_GPIO_H__ */