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-rw-r--r--arch/blackfin/include/asm/gpio.h456
1 files changed, 456 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
new file mode 100644
index 000000000000..ad33ac271fd9
--- /dev/null
+++ b/arch/blackfin/include/asm/gpio.h
@@ -0,0 +1,456 @@
+/*
+ * 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 <mach/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
+
+unsigned int bfin_pm_standby_setup(void);
+void bfin_pm_standby_restore(void);
+
+void bfin_gpio_pm_hibernate_restore(void);
+void bfin_gpio_pm_hibernate_suspend(void);
+
+#ifndef CONFIG_BF54x
+#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)
+#define PM_WAKE_IGNORE 0xF0
+
+int gpio_pm_wakeup_request(unsigned gpio, unsigned char type);
+void gpio_pm_wakeup_free(unsigned gpio);
+
+struct gpio_port_s {
+ unsigned short data;
+ unsigned short maska;
+ unsigned short maskb;
+ unsigned short dir;
+ unsigned short polar;
+ unsigned short edge;
+ unsigned short both;
+ unsigned short inen;
+
+ unsigned short fer;
+ unsigned short reserved;
+ unsigned short mux;
+};
+#endif /*CONFIG_BF54x*/
+#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_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__ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 22:12:40 +0100