5610db61cf
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
427 lines
11 KiB
C
427 lines
11 KiB
C
/*
|
|
* File: arch/blackfin/kernel/bfin_gpio.h
|
|
* Based on:
|
|
* Author: Michael Hennerich (hennerich@blackfin.uclinux.org)
|
|
*
|
|
* Created:
|
|
* Description:
|
|
*
|
|
* Modified:
|
|
* Copyright 2004-2006 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
|
|
*
|
|
* 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
|
|
#endif
|
|
|
|
#ifdef 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 short, unsigned short);
|
|
void set_gpio_inen(unsigned short, unsigned short);
|
|
void set_gpio_polar(unsigned short, unsigned short);
|
|
void set_gpio_edge(unsigned short, unsigned short);
|
|
void set_gpio_both(unsigned short, unsigned short);
|
|
void set_gpio_data(unsigned short, unsigned short);
|
|
void set_gpio_maska(unsigned short, unsigned short);
|
|
void set_gpio_maskb(unsigned short, unsigned short);
|
|
void set_gpio_toggle(unsigned short);
|
|
void set_gpiop_dir(unsigned short, unsigned short);
|
|
void set_gpiop_inen(unsigned short, unsigned short);
|
|
void set_gpiop_polar(unsigned short, unsigned short);
|
|
void set_gpiop_edge(unsigned short, unsigned short);
|
|
void set_gpiop_both(unsigned short, unsigned short);
|
|
void set_gpiop_data(unsigned short, unsigned short);
|
|
void set_gpiop_maska(unsigned short, unsigned short);
|
|
void set_gpiop_maskb(unsigned short, unsigned short);
|
|
unsigned short get_gpio_dir(unsigned short);
|
|
unsigned short get_gpio_inen(unsigned short);
|
|
unsigned short get_gpio_polar(unsigned short);
|
|
unsigned short get_gpio_edge(unsigned short);
|
|
unsigned short get_gpio_both(unsigned short);
|
|
unsigned short get_gpio_maska(unsigned short);
|
|
unsigned short get_gpio_maskb(unsigned short);
|
|
unsigned short get_gpio_data(unsigned short);
|
|
unsigned short get_gpiop_dir(unsigned short);
|
|
unsigned short get_gpiop_inen(unsigned short);
|
|
unsigned short get_gpiop_polar(unsigned short);
|
|
unsigned short get_gpiop_edge(unsigned short);
|
|
unsigned short get_gpiop_both(unsigned short);
|
|
unsigned short get_gpiop_maska(unsigned short);
|
|
unsigned short get_gpiop_maskb(unsigned short);
|
|
unsigned short get_gpiop_data(unsigned short);
|
|
|
|
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 short gpio, unsigned char type);
|
|
void gpio_pm_wakeup_free(unsigned short 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 short, const char *);
|
|
void gpio_free(unsigned short);
|
|
|
|
void gpio_set_value(unsigned short gpio, unsigned short arg);
|
|
unsigned short gpio_get_value(unsigned short 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
|
|
|
|
void gpio_direction_input(unsigned short gpio);
|
|
void gpio_direction_output(unsigned short gpio);
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ARCH_BLACKFIN_GPIO_H__ */
|