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-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-fns.h103
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio.h1
-rw-r--r--arch/arm/mach-s3c2410/include/mach/hardware.h84
3 files changed, 104 insertions, 84 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
new file mode 100644
index 000000000000..b4f39558beda
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
@@ -0,0 +1,103 @@
1/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h
2 *
3 * Copyright (c) 2003,2009 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * S3C2410 - hardware
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13/* These functions are in the to-be-removed category and it is strongly
14 * encouraged not to use these in new code. They will be marked deprecated
15 * very soon.
16 *
17 * Most of the functionality can be either replaced by the gpiocfg calls
18 * for the s3c platform or by the generic GPIOlib API.
19*/
20
21/* external functions for GPIO support
22 *
23 * These allow various different clients to access the same GPIO
24 * registers without conflicting. If your driver only owns the entire
25 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
26*/
27
28/* s3c2410_gpio_cfgpin
29 *
30 * set the configuration of the given pin to the value passed.
31 *
32 * eg:
33 * s3c2410_gpio_cfgpin(S3C2410_GPA0, S3C2410_GPA0_ADDR0);
34 * s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2410_GPE8_SDDAT1);
35*/
36
37extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function);
38
39extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
40
41/* s3c2410_gpio_getirq
42 *
43 * turn the given pin number into the corresponding IRQ number
44 *
45 * returns:
46 * < 0 = no interrupt for this pin
47 * >=0 = interrupt number for the pin
48*/
49
50extern int s3c2410_gpio_getirq(unsigned int pin);
51
52#ifdef CONFIG_CPU_S3C2400
53
54extern int s3c2400_gpio_getirq(unsigned int pin);
55
56#endif /* CONFIG_CPU_S3C2400 */
57
58/* s3c2410_gpio_irqfilter
59 *
60 * set the irq filtering on the given pin
61 *
62 * on = 0 => disable filtering
63 * 1 => enable filtering
64 *
65 * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
66 * width of filter (0 through 63)
67 *
68 *
69*/
70
71extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
72 unsigned int config);
73
74/* s3c2410_gpio_pullup
75 *
76 * configure the pull-up control on the given pin
77 *
78 * to = 1 => disable the pull-up
79 * 0 => enable the pull-up
80 *
81 * eg;
82 *
83 * s3c2410_gpio_pullup(S3C2410_GPB0, 0);
84 * s3c2410_gpio_pullup(S3C2410_GPE8, 0);
85*/
86
87extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
88
89/* s3c2410_gpio_getpull
90 *
91 * Read the state of the pull-up on a given pin
92 *
93 * return:
94 * < 0 => error code
95 * 0 => enabled
96 * 1 => disabled
97*/
98
99extern int s3c2410_gpio_getpull(unsigned int pin);
100
101extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
102
103extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio.h b/arch/arm/mach-s3c2410/include/mach/gpio.h
index 51a88cf9526b..15f0b3e7ce69 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio.h
@@ -24,5 +24,6 @@
24 24
25#include <asm-generic/gpio.h> 25#include <asm-generic/gpio.h>
26#include <mach/gpio-nrs.h> 26#include <mach/gpio-nrs.h>
27#include <mach/gpio-fns.h>
27 28
28#define S3C_GPIO_END (S3C2410_GPIO_BANKH + 32) 29#define S3C_GPIO_END (S3C2410_GPIO_BANKH + 32)
diff --git a/arch/arm/mach-s3c2410/include/mach/hardware.h b/arch/arm/mach-s3c2410/include/mach/hardware.h
index d7745d85392e..aef5631eac58 100644
--- a/arch/arm/mach-s3c2410/include/mach/hardware.h
+++ b/arch/arm/mach-s3c2410/include/mach/hardware.h
@@ -15,90 +15,6 @@
15 15
16#ifndef __ASSEMBLY__ 16#ifndef __ASSEMBLY__
17 17
18/* external functions for GPIO support
19 *
20 * These allow various different clients to access the same GPIO
21 * registers without conflicting. If your driver only owns the entire
22 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
23*/
24
25/* s3c2410_gpio_cfgpin
26 *
27 * set the configuration of the given pin to the value passed.
28 *
29 * eg:
30 * s3c2410_gpio_cfgpin(S3C2410_GPA0, S3C2410_GPA0_ADDR0);
31 * s3c2410_gpio_cfgpin(S3C2410_GPE8, S3C2410_GPE8_SDDAT1);
32*/
33
34extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function);
35
36extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
37
38/* s3c2410_gpio_getirq
39 *
40 * turn the given pin number into the corresponding IRQ number
41 *
42 * returns:
43 * < 0 = no interrupt for this pin
44 * >=0 = interrupt number for the pin
45*/
46
47extern int s3c2410_gpio_getirq(unsigned int pin);
48
49#ifdef CONFIG_CPU_S3C2400
50
51extern int s3c2400_gpio_getirq(unsigned int pin);
52
53#endif /* CONFIG_CPU_S3C2400 */
54
55/* s3c2410_gpio_irqfilter
56 *
57 * set the irq filtering on the given pin
58 *
59 * on = 0 => disable filtering
60 * 1 => enable filtering
61 *
62 * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with
63 * width of filter (0 through 63)
64 *
65 *
66*/
67
68extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
69 unsigned int config);
70
71/* s3c2410_gpio_pullup
72 *
73 * configure the pull-up control on the given pin
74 *
75 * to = 1 => disable the pull-up
76 * 0 => enable the pull-up
77 *
78 * eg;
79 *
80 * s3c2410_gpio_pullup(S3C2410_GPB0, 0);
81 * s3c2410_gpio_pullup(S3C2410_GPE8, 0);
82*/
83
84extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
85
86/* s3c2410_gpio_getpull
87 *
88 * Read the state of the pull-up on a given pin
89 *
90 * return:
91 * < 0 => error code
92 * 0 => enabled
93 * 1 => disabled
94*/
95
96extern int s3c2410_gpio_getpull(unsigned int pin);
97
98extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
99
100extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
101
102extern unsigned int s3c2410_modify_misccr(unsigned int clr, unsigned int chg); 18extern unsigned int s3c2410_modify_misccr(unsigned int clr, unsigned int chg);
103 19
104#ifdef CONFIG_CPU_S3C2440 20#ifdef CONFIG_CPU_S3C2440