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-rw-r--r--arch/arm/mach-exynos4/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-fns.h99
-rw-r--r--arch/arm/mach-s3c2410/include/mach/gpio-track.h6
-rw-r--r--arch/arm/mach-s3c2410/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c4
-rw-r--r--arch/arm/mach-s3c2412/gpio.c2
-rw-r--r--arch/arm/mach-s3c2416/s3c2416.c4
-rw-r--r--arch/arm/mach-s3c2440/s3c2440.c4
-rw-r--r--arch/arm/mach-s3c2440/s3c2442.c4
-rw-r--r--arch/arm/mach-s3c2443/s3c2443.c4
-rw-r--r--arch/arm/mach-s3c64xx/include/mach/pm-core.h2
-rw-r--r--arch/arm/mach-s5pv210/include/mach/pm-core.h2
-rw-r--r--arch/arm/plat-s5p/irq-gpioint.c10
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h172
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-cfg.h34
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-core.h97
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-fns.h98
-rw-r--r--arch/arm/plat-samsung/include/plat/pm.h10
-rw-r--r--arch/arm/plat-samsung/pm-gpio.c72
-rw-r--r--arch/arm/plat-samsung/pm.c6
20 files changed, 250 insertions, 384 deletions
diff --git a/arch/arm/mach-exynos4/include/mach/pm-core.h b/arch/arm/mach-exynos4/include/mach/pm-core.h
index 1df3b81f96e8..3499ec737206 100644
--- a/arch/arm/mach-exynos4/include/mach/pm-core.h
+++ b/arch/arm/mach-exynos4/include/mach/pm-core.h
@@ -53,7 +53,7 @@ static inline void s3c_pm_restored_gpios(void)
53 /* nothing here yet */ 53 /* nothing here yet */
54} 54}
55 55
56static inline void s3c_pm_saved_gpios(void) 56static inline void samsung_pm_saved_gpios(void)
57{ 57{
58 /* nothing here yet */ 58 /* nothing here yet */
59} 59}
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
index bab139201761..c53ad34c6579 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h
@@ -1,98 +1 @@
1/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h #include <plat/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#ifndef __MACH_GPIO_FNS_H
14#define __MACH_GPIO_FNS_H __FILE__
15
16/* These functions are in the to-be-removed category and it is strongly
17 * encouraged not to use these in new code. They will be marked deprecated
18 * very soon.
19 *
20 * Most of the functionality can be either replaced by the gpiocfg calls
21 * for the s3c platform or by the generic GPIOlib API.
22 *
23 * As of 2.6.35-rc, these will be removed, with the few drivers using them
24 * either replaced or given a wrapper until the calls can be removed.
25*/
26
27#include <plat/gpio-cfg.h>
28
29static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
30{
31 /* 1:1 mapping between cfgpin and setcfg calls at the moment */
32 s3c_gpio_cfgpin(pin, cfg);
33}
34
35/* external functions for GPIO support
36 *
37 * These allow various different clients to access the same GPIO
38 * registers without conflicting. If your driver only owns the entire
39 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
40*/
41
42extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
43
44/* s3c2410_gpio_getirq
45 *
46 * turn the given pin number into the corresponding IRQ number
47 *
48 * returns:
49 * < 0 = no interrupt for this pin
50 * >=0 = interrupt number for the pin
51*/
52
53extern int s3c2410_gpio_getirq(unsigned int pin);
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 * This call should be replaced with s3c_gpio_setpull().
74 *
75 * As a note, there is currently no distinction between pull-up and pull-down
76 * in the s3c24xx series devices with only an on/off configuration.
77 */
78
79/* s3c2410_gpio_pullup
80 *
81 * configure the pull-up control on the given pin
82 *
83 * to = 1 => disable the pull-up
84 * 0 => enable the pull-up
85 *
86 * eg;
87 *
88 * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
89 * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
90*/
91
92extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
93
94extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
95
96extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
97
98#endif /* __MACH_GPIO_FNS_H */
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-track.h b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
index d67819dde42a..c410a078622c 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-track.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
@@ -17,11 +17,11 @@
17 17
18#include <mach/regs-gpio.h> 18#include <mach/regs-gpio.h>
19 19
20extern struct s3c_gpio_chip s3c24xx_gpios[]; 20extern struct samsung_gpio_chip s3c24xx_gpios[];
21 21
22static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) 22static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
23{ 23{
24 struct s3c_gpio_chip *chip; 24 struct samsung_gpio_chip *chip;
25 25
26 if (pin > S3C_GPIO_END) 26 if (pin > S3C_GPIO_END)
27 return NULL; 27 return NULL;
diff --git a/arch/arm/mach-s3c2410/include/mach/pm-core.h b/arch/arm/mach-s3c2410/include/mach/pm-core.h
index 45eea5210c87..2eef7e6f7675 100644
--- a/arch/arm/mach-s3c2410/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c2410/include/mach/pm-core.h
@@ -64,4 +64,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs,
64} 64}
65 65
66static inline void s3c_pm_restored_gpios(void) { } 66static inline void s3c_pm_restored_gpios(void) { }
67static inline void s3c_pm_saved_gpios(void) { } 67static inline void samsung_pm_saved_gpios(void) { }
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index f1d3bd8f6f17..a99c2f4a523f 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -72,8 +72,8 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
72 72
73void __init s3c2410_map_io(void) 73void __init s3c2410_map_io(void)
74{ 74{
75 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; 75 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
76 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; 76 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
77 77
78 iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); 78 iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
79} 79}
diff --git a/arch/arm/mach-s3c2412/gpio.c b/arch/arm/mach-s3c2412/gpio.c
index 3404a876b33e..4526f6ba31a8 100644
--- a/arch/arm/mach-s3c2412/gpio.c
+++ b/arch/arm/mach-s3c2412/gpio.c
@@ -28,7 +28,7 @@
28 28
29int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state) 29int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state)
30{ 30{
31 struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); 31 struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin);
32 unsigned long offs = pin - chip->chip.base; 32 unsigned long offs = pin - chip->chip.base;
33 unsigned long flags; 33 unsigned long flags;
34 unsigned long slpcon; 34 unsigned long slpcon;
diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c
index 494ce913dc95..3156b7a71371 100644
--- a/arch/arm/mach-s3c2416/s3c2416.c
+++ b/arch/arm/mach-s3c2416/s3c2416.c
@@ -118,8 +118,8 @@ void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
118 118
119void __init s3c2416_map_io(void) 119void __init s3c2416_map_io(void)
120{ 120{
121 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; 121 s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
122 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; 122 s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
123 123
124 /* initialize device information early */ 124 /* initialize device information early */
125 s3c2416_default_sdhci0(); 125 s3c2416_default_sdhci0();
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index ce99ff72838d..fc84e481efcf 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -68,6 +68,6 @@ void __init s3c2440_map_io(void)
68{ 68{
69 s3c244x_map_io(); 69 s3c244x_map_io();
70 70
71 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; 71 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
72 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; 72 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
73} 73}
diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c
index 9ad99f8016a1..48e273ce9f9a 100644
--- a/arch/arm/mach-s3c2440/s3c2442.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -180,6 +180,6 @@ void __init s3c2442_map_io(void)
180{ 180{
181 s3c244x_map_io(); 181 s3c244x_map_io();
182 182
183 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down; 183 s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down;
184 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down; 184 s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down;
185} 185}
diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c
index e6a28ba52c7d..5df6458ddd42 100644
--- a/arch/arm/mach-s3c2443/s3c2443.c
+++ b/arch/arm/mach-s3c2443/s3c2443.c
@@ -90,8 +90,8 @@ void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
90 90
91void __init s3c2443_map_io(void) 91void __init s3c2443_map_io(void)
92{ 92{
93 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; 93 s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull;
94 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; 94 s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull;
95 95
96 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); 96 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
97} 97}
diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
index 38659bebe4b1..fcf3dcabb694 100644
--- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
@@ -104,7 +104,7 @@ static inline void s3c_pm_restored_gpios(void)
104 __raw_writel(0, S3C64XX_SLPEN); 104 __raw_writel(0, S3C64XX_SLPEN);
105} 105}
106 106
107static inline void s3c_pm_saved_gpios(void) 107static inline void samsung_pm_saved_gpios(void)
108{ 108{
109 /* turn on the sleep mode and keep it there, as it seems that during 109 /* turn on the sleep mode and keep it there, as it seems that during
110 * suspend the xCON registers get re-set and thus you can end up with 110 * suspend the xCON registers get re-set and thus you can end up with
diff --git a/arch/arm/mach-s5pv210/include/mach/pm-core.h b/arch/arm/mach-s5pv210/include/mach/pm-core.h
index 3e22109e1b7b..eba8aea63ed8 100644
--- a/arch/arm/mach-s5pv210/include/mach/pm-core.h
+++ b/arch/arm/mach-s5pv210/include/mach/pm-core.h
@@ -43,4 +43,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs,
43} 43}
44 44
45static inline void s3c_pm_restored_gpios(void) { } 45static inline void s3c_pm_restored_gpios(void) { }
46static inline void s3c_pm_saved_gpios(void) { } 46static inline void samsung_pm_saved_gpios(void) { }
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index f71078ef6bb5..0455519aecdf 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -37,7 +37,7 @@ struct s5p_gpioint_bank {
37 int start; 37 int start;
38 int nr_groups; 38 int nr_groups;
39 int irq; 39 int irq;
40 struct s3c_gpio_chip **chips; 40 struct samsung_gpio_chip **chips;
41 void (*handler)(unsigned int, struct irq_desc *); 41 void (*handler)(unsigned int, struct irq_desc *);
42}; 42};
43 43
@@ -87,7 +87,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
87 chained_irq_enter(chip, desc); 87 chained_irq_enter(chip, desc);
88 88
89 for (group = 0; group < bank->nr_groups; group++) { 89 for (group = 0; group < bank->nr_groups; group++) {
90 struct s3c_gpio_chip *chip = bank->chips[group]; 90 struct samsung_gpio_chip *chip = bank->chips[group];
91 if (!chip) 91 if (!chip)
92 continue; 92 continue;
93 93
@@ -110,7 +110,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc)
110 chained_irq_exit(chip, desc); 110 chained_irq_exit(chip, desc);
111} 111}
112 112
113static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) 113static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip)
114{ 114{
115 static int used_gpioint_groups = 0; 115 static int used_gpioint_groups = 0;
116 int group = chip->group; 116 int group = chip->group;
@@ -130,7 +130,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
130 return -EINVAL; 130 return -EINVAL;
131 131
132 if (!bank->handler) { 132 if (!bank->handler) {
133 bank->chips = kzalloc(sizeof(struct s3c_gpio_chip *) * 133 bank->chips = kzalloc(sizeof(struct samsung_gpio_chip *) *
134 bank->nr_groups, GFP_KERNEL); 134 bank->nr_groups, GFP_KERNEL);
135 if (!bank->chips) 135 if (!bank->chips)
136 return -ENOMEM; 136 return -ENOMEM;
@@ -173,7 +173,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
173 173
174int __init s5p_register_gpio_interrupt(int pin) 174int __init s5p_register_gpio_interrupt(int pin)
175{ 175{
176 struct s3c_gpio_chip *my_chip = s3c_gpiolib_getchip(pin); 176 struct samsung_gpio_chip *my_chip = samsung_gpiolib_getchip(pin);
177 int offset, group; 177 int offset, group;
178 int ret; 178 int ret;
179 179
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 9a4e53d52967..a181d7ce81cf 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -1,11 +1,11 @@
1/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h 1/* linux/arch/arm/plat-samsung/include/plat/gpio-cfg-helper.h
2 * 2 *
3 * Copyright 2008 Openmoko, Inc. 3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics 4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/ 5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk> 6 * Ben Dooks <ben@simtec.co.uk>
7 * 7 *
8 * S3C Platform - GPIO pin configuration helper definitions 8 * Samsung Platform - GPIO pin configuration helper definitions
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as 11 * it under the terms of the GNU General Public License version 2 as
@@ -24,120 +24,30 @@
24 * by disabling interrupts. 24 * by disabling interrupts.
25*/ 25*/
26 26
27static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, 27static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
28 unsigned int off, unsigned int config) 28 unsigned int off, unsigned int config)
29{ 29{
30 return (chip->config->set_config)(chip, off, config); 30 return (chip->config->set_config)(chip, off, config);
31} 31}
32 32
33static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip, 33static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip,
34 unsigned int off) 34 unsigned int off)
35{ 35{
36 return (chip->config->get_config)(chip, off); 36 return (chip->config->get_config)(chip, off);
37} 37}
38 38
39static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, 39static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
40 unsigned int off, s3c_gpio_pull_t pull) 40 unsigned int off, samsung_gpio_pull_t pull)
41{ 41{
42 return (chip->config->set_pull)(chip, off, pull); 42 return (chip->config->set_pull)(chip, off, pull);
43} 43}
44 44
45static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, 45static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip,
46 unsigned int off) 46 unsigned int off)
47{ 47{
48 return chip->config->get_pull(chip, off); 48 return chip->config->get_pull(chip, off);
49} 49}
50 50
51/**
52 * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
53 * @chip: The gpio chip that is being configured.
54 * @off: The offset for the GPIO being configured.
55 * @cfg: The configuration value to set.
56 *
57 * This helper deal with the GPIO cases where the control register
58 * has two bits of configuration per gpio, which have the following
59 * functions:
60 * 00 = input
61 * 01 = output
62 * 1x = special function
63*/
64extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
65 unsigned int off, unsigned int cfg);
66
67/**
68 * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read.
69 * @chip: The gpio chip that is being configured.
70 * @off: The offset for the GPIO being configured.
71 *
72 * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg
73 * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the
74 * S3C_GPIO_SPECIAL() macro.
75 */
76unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
77 unsigned int off);
78
79/**
80 * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
81 * @chip: The gpio chip that is being configured.
82 * @off: The offset for the GPIO being configured.
83 * @cfg: The configuration value to set.
84 *
85 * This helper deal with the GPIO cases where the control register
86 * has one bit of configuration for the gpio, where setting the bit
87 * means the pin is in special function mode and unset means output.
88*/
89extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
90 unsigned int off, unsigned int cfg);
91
92
93/**
94 * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A)
95 * @chip: The gpio chip that is being configured.
96 * @off: The offset for the GPIO being configured.
97 *
98 * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable
99 * GPIO configuration value.
100 *
101 * @sa s3c_gpio_getcfg_s3c24xx
102 * @sa s3c_gpio_getcfg_s3c64xx_4bit
103 */
104extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
105 unsigned int off);
106
107/**
108 * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
109 * @chip: The gpio chip that is being configured.
110 * @off: The offset for the GPIO being configured.
111 * @cfg: The configuration value to set.
112 *
113 * This helper deal with the GPIO cases where the control register has 4 bits
114 * of control per GPIO, generally in the form of:
115 * 0000 = Input
116 * 0001 = Output
117 * others = Special functions (dependent on bank)
118 *
119 * Note, since the code to deal with the case where there are two control
120 * registers instead of one, we do not have a separate set of functions for
121 * each case.
122*/
123extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
124 unsigned int off, unsigned int cfg);
125
126
127/**
128 * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read.
129 * @chip: The gpio chip that is being configured.
130 * @off: The offset for the GPIO being configured.
131 *
132 * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration
133 * register setting into a value the software can use, such as could be passed
134 * to s3c_gpio_setcfg_s3c64xx_4bit().
135 *
136 * @sa s3c_gpio_getcfg_s3c24xx
137 */
138extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
139 unsigned int off);
140
141/* Pull-{up,down} resistor controls. 51/* Pull-{up,down} resistor controls.
142 * 52 *
143 * S3C2410,S3C2440 = Pull-UP, 53 * S3C2410,S3C2440 = Pull-UP,
@@ -147,7 +57,7 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
147 */ 57 */
148 58
149/** 59/**
150 * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none. 60 * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none.
151 * @chip: The gpio chip that is being configured. 61 * @chip: The gpio chip that is being configured.
152 * @off: The offset for the GPIO being configured. 62 * @off: The offset for the GPIO being configured.
153 * @param: pull: The pull mode being requested. 63 * @param: pull: The pull mode being requested.
@@ -155,11 +65,11 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
155 * This is a helper function for the case where we have GPIOs with one 65 * This is a helper function for the case where we have GPIOs with one
156 * bit configuring the presence of a pull-up resistor. 66 * bit configuring the presence of a pull-up resistor.
157 */ 67 */
158extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, 68extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip,
159 unsigned int off, s3c_gpio_pull_t pull); 69 unsigned int off, samsung_gpio_pull_t pull);
160 70
161/** 71/**
162 * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none 72 * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none
163 * @chip: The gpio chip that is being configured 73 * @chip: The gpio chip that is being configured
164 * @off: The offset for the GPIO being configured 74 * @off: The offset for the GPIO being configured
165 * @param: pull: The pull mode being requested 75 * @param: pull: The pull mode being requested
@@ -167,11 +77,13 @@ extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
167 * This is a helper function for the case where we have GPIOs with one 77 * This is a helper function for the case where we have GPIOs with one
168 * bit configuring the presence of a pull-down resistor. 78 * bit configuring the presence of a pull-down resistor.
169 */ 79 */
170extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, 80extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip,
171 unsigned int off, s3c_gpio_pull_t pull); 81 unsigned int off, samsung_gpio_pull_t pull);
172 82
173/** 83/**
174 * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none 84 * samsung_gpio_setpull_upown() - Pull configuration for choice of up,
85 * down or none
86 *
175 * @chip: The gpio chip that is being configured. 87 * @chip: The gpio chip that is being configured.
176 * @off: The offset for the GPIO being configured. 88 * @off: The offset for the GPIO being configured.
177 * @param: pull: The pull mode being requested. 89 * @param: pull: The pull mode being requested.
@@ -183,45 +95,46 @@ extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip,
183 * 01 = Pull-up resistor connected 95 * 01 = Pull-up resistor connected
184 * 10 = Pull-down resistor connected 96 * 10 = Pull-down resistor connected
185 */ 97 */
186extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, 98extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
187 unsigned int off, s3c_gpio_pull_t pull); 99 unsigned int off, samsung_gpio_pull_t pull);
188
189 100
190/** 101/**
191 * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none 102 * samsung_gpio_getpull_updown() - Get configuration for choice of up,
103 * down or none
104 *
192 * @chip: The gpio chip that the GPIO pin belongs to 105 * @chip: The gpio chip that the GPIO pin belongs to
193 * @off: The offset to the pin to get the configuration of. 106 * @off: The offset to the pin to get the configuration of.
194 * 107 *
195 * This helper function reads the state of the pull-{up,down} resistor for the 108 * This helper function reads the state of the pull-{up,down} resistor
196 * given GPIO in the same case as s3c_gpio_setpull_upown. 109 * for the given GPIO in the same case as samsung_gpio_setpull_upown.
197*/ 110*/
198extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, 111extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip,
199 unsigned int off); 112 unsigned int off);
200 113
201/** 114/**
202 * s3c_gpio_getpull_1up() - Get configuration for choice of up or none 115 * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none
203 * @chip: The gpio chip that the GPIO pin belongs to 116 * @chip: The gpio chip that the GPIO pin belongs to
204 * @off: The offset to the pin to get the configuration of. 117 * @off: The offset to the pin to get the configuration of.
205 * 118 *
206 * This helper function reads the state of the pull-up resistor for the 119 * This helper function reads the state of the pull-up resistor for the
207 * given GPIO in the same case as s3c_gpio_setpull_1up. 120 * given GPIO in the same case as s3c24xx_gpio_setpull_1up.
208*/ 121*/
209extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, 122extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip,
210 unsigned int off); 123 unsigned int off);
211 124
212/** 125/**
213 * s3c_gpio_getpull_1down() - Get configuration for choice of down or none 126 * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none
214 * @chip: The gpio chip that the GPIO pin belongs to 127 * @chip: The gpio chip that the GPIO pin belongs to
215 * @off: The offset to the pin to get the configuration of. 128 * @off: The offset to the pin to get the configuration of.
216 * 129 *
217 * This helper function reads the state of the pull-down resistor for the 130 * This helper function reads the state of the pull-down resistor for the
218 * given GPIO in the same case as s3c_gpio_setpull_1down. 131 * given GPIO in the same case as s3c24xx_gpio_setpull_1down.
219*/ 132*/
220extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, 133extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip,
221 unsigned int off); 134 unsigned int off);
222 135
223/** 136/**
224 * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. 137 * s3c2443_gpio_setpull() - Pull configuration for s3c2443.
225 * @chip: The gpio chip that is being configured. 138 * @chip: The gpio chip that is being configured.
226 * @off: The offset for the GPIO being configured. 139 * @off: The offset for the GPIO being configured.
227 * @param: pull: The pull mode being requested. 140 * @param: pull: The pull mode being requested.
@@ -233,19 +146,18 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip,
233 * 10 = Pull-down resistor connected 146 * 10 = Pull-down resistor connected
234 * x1 = No pull up resistor 147 * x1 = No pull up resistor
235 */ 148 */
236extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, 149extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip,
237 unsigned int off, s3c_gpio_pull_t pull); 150 unsigned int off, samsung_gpio_pull_t pull);
238 151
239/** 152/**
240 * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors 153 * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors
241 * @chip: The gpio chip that the GPIO pin belongs to. 154 * @chip: The gpio chip that the GPIO pin belongs to.
242 * @off: The offset to the pin to get the configuration of. 155 * @off: The offset to the pin to get the configuration of.
243 * 156 *
244 * This helper function reads the state of the pull-{up,down} resistor for the 157 * This helper function reads the state of the pull-{up,down} resistor for the
245 * given GPIO in the same case as s3c_gpio_setpull_upown. 158 * given GPIO in the same case as samsung_gpio_setpull_upown.
246*/ 159*/
247extern s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, 160extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip,
248 unsigned int off); 161 unsigned int off);
249 162
250#endif /* __PLAT_GPIO_CFG_HELPERS_H */ 163#endif /* __PLAT_GPIO_CFG_HELPERS_H */
251
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 1762dcb4cb9e..d48245bb02b3 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -24,14 +24,14 @@
24#ifndef __PLAT_GPIO_CFG_H 24#ifndef __PLAT_GPIO_CFG_H
25#define __PLAT_GPIO_CFG_H __FILE__ 25#define __PLAT_GPIO_CFG_H __FILE__
26 26
27typedef unsigned int __bitwise__ s3c_gpio_pull_t; 27typedef unsigned int __bitwise__ samsung_gpio_pull_t;
28typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; 28typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
29 29
30/* forward declaration if gpio-core.h hasn't been included */ 30/* forward declaration if gpio-core.h hasn't been included */
31struct s3c_gpio_chip; 31struct samsung_gpio_chip;
32 32
33/** 33/**
34 * struct s3c_gpio_cfg GPIO configuration 34 * struct samsung_gpio_cfg GPIO configuration
35 * @cfg_eint: Configuration setting when used for external interrupt source 35 * @cfg_eint: Configuration setting when used for external interrupt source
36 * @get_pull: Read the current pull configuration for the GPIO 36 * @get_pull: Read the current pull configuration for the GPIO
37 * @set_pull: Set the current pull configuraiton for the GPIO 37 * @set_pull: Set the current pull configuraiton for the GPIO
@@ -44,20 +44,20 @@ struct s3c_gpio_chip;
44 * per-bank configuration information that other systems such as the 44 * per-bank configuration information that other systems such as the
45 * external interrupt code will need. 45 * external interrupt code will need.
46 * 46 *
47 * @sa s3c_gpio_cfgpin 47 * @sa samsung_gpio_cfgpin
48 * @sa s3c_gpio_getcfg 48 * @sa s3c_gpio_getcfg
49 * @sa s3c_gpio_setpull 49 * @sa s3c_gpio_setpull
50 * @sa s3c_gpio_getpull 50 * @sa s3c_gpio_getpull
51 */ 51 */
52struct s3c_gpio_cfg { 52struct samsung_gpio_cfg {
53 unsigned int cfg_eint; 53 unsigned int cfg_eint;
54 54
55 s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs); 55 samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs);
56 int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, 56 int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs,
57 s3c_gpio_pull_t pull); 57 samsung_gpio_pull_t pull);
58 58
59 unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); 59 unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs);
60 int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, 60 int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs,
61 unsigned config); 61 unsigned config);
62}; 62};
63 63
@@ -69,7 +69,7 @@ struct s3c_gpio_cfg {
69#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1)) 69#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1))
70#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x)) 70#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x))
71 71
72#define s3c_gpio_is_cfg_special(_cfg) \ 72#define samsung_gpio_is_cfg_special(_cfg) \
73 (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK) 73 (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
74 74
75/** 75/**
@@ -128,9 +128,9 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
128 * up or down settings, and it may be dependent on the chip that is being 128 * up or down settings, and it may be dependent on the chip that is being
129 * used to whether the particular mode is available. 129 * used to whether the particular mode is available.
130 */ 130 */
131#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00) 131#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00)
132#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01) 132#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01)
133#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02) 133#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02)
134 134
135/** 135/**
136 * s3c_gpio_setpull() - set the state of a gpio pin pull resistor 136 * s3c_gpio_setpull() - set the state of a gpio pin pull resistor
@@ -143,7 +143,7 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
143 * 143 *
144 * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. 144 * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP.
145*/ 145*/
146extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); 146extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull);
147 147
148/** 148/**
149 * s3c_gpio_getpull() - get the pull resistor state of a gpio pin 149 * s3c_gpio_getpull() - get the pull resistor state of a gpio pin
@@ -151,7 +151,7 @@ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull);
151 * 151 *
152 * Read the pull resistor value for the specified pin. 152 * Read the pull resistor value for the specified pin.
153*/ 153*/
154extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); 154extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
155 155
156/* configure `all` aspects of an gpio */ 156/* configure `all` aspects of an gpio */
157 157
@@ -170,7 +170,7 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
170 * @sa s3c_gpio_cfgpin_range 170 * @sa s3c_gpio_cfgpin_range
171 */ 171 */
172extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, 172extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
173 unsigned int cfg, s3c_gpio_pull_t pull); 173 unsigned int cfg, samsung_gpio_pull_t pull);
174 174
175static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size, 175static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size,
176 unsigned int cfg) 176 unsigned int cfg)
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 8cad4cf19c3c..1fe6917f6a2a 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -25,22 +25,22 @@
25 * specific code. 25 * specific code.
26*/ 26*/
27 27
28struct s3c_gpio_chip; 28struct samsung_gpio_chip;
29 29
30/** 30/**
31 * struct s3c_gpio_pm - power management (suspend/resume) information 31 * struct samsung_gpio_pm - power management (suspend/resume) information
32 * @save: Routine to save the state of the GPIO block 32 * @save: Routine to save the state of the GPIO block
33 * @resume: Routine to resume the GPIO block. 33 * @resume: Routine to resume the GPIO block.
34 */ 34 */
35struct s3c_gpio_pm { 35struct samsung_gpio_pm {
36 void (*save)(struct s3c_gpio_chip *chip); 36 void (*save)(struct samsung_gpio_chip *chip);
37 void (*resume)(struct s3c_gpio_chip *chip); 37 void (*resume)(struct samsung_gpio_chip *chip);
38}; 38};
39 39
40struct s3c_gpio_cfg; 40struct samsung_gpio_cfg;
41 41
42/** 42/**
43 * struct s3c_gpio_chip - wrapper for specific implementation of gpio 43 * struct samsung_gpio_chip - wrapper for specific implementation of gpio
44 * @chip: The chip structure to be exported via gpiolib. 44 * @chip: The chip structure to be exported via gpiolib.
45 * @base: The base pointer to the gpio configuration registers. 45 * @base: The base pointer to the gpio configuration registers.
46 * @group: The group register number for gpio interrupt support. 46 * @group: The group register number for gpio interrupt support.
@@ -60,10 +60,10 @@ struct s3c_gpio_cfg;
60 * CPU cores trying to get one lock for different GPIO banks, where each 60 * CPU cores trying to get one lock for different GPIO banks, where each
61 * bank of GPIO has its own register space and configuration registers. 61 * bank of GPIO has its own register space and configuration registers.
62 */ 62 */
63struct s3c_gpio_chip { 63struct samsung_gpio_chip {
64 struct gpio_chip chip; 64 struct gpio_chip chip;
65 struct s3c_gpio_cfg *config; 65 struct samsung_gpio_cfg *config;
66 struct s3c_gpio_pm *pm; 66 struct samsung_gpio_pm *pm;
67 void __iomem *base; 67 void __iomem *base;
68 int irq_base; 68 int irq_base;
69 int group; 69 int group;
@@ -73,58 +73,11 @@ struct s3c_gpio_chip {
73#endif 73#endif
74}; 74};
75 75
76static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) 76static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
77{ 77{
78 return container_of(gpc, struct s3c_gpio_chip, chip); 78 return container_of(gpc, struct samsung_gpio_chip, chip);
79} 79}
80 80
81/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip.
82 * @chip: The chip to register
83 *
84 * This is a wrapper to gpiochip_add() that takes our specific gpio chip
85 * information and makes the necessary alterations for the platform and
86 * notes the information for use with the configuration systems and any
87 * other parts of the system.
88 */
89extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip);
90
91/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios
92 * for use with the configuration calls, and other parts of the s3c gpiolib
93 * support code.
94 *
95 * Not all s3c support code will need this, as some configurations of cpu
96 * may only support one or two different configuration options and have an
97 * easy gpio to s3c_gpio_chip mapping function. If this is the case, then
98 * the machine support file should provide its own s3c_gpiolib_getchip()
99 * and any other necessary functions.
100 */
101
102/**
103 * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config.
104 * @chip: The gpio chip that is being configured.
105 * @nr_chips: The no of chips (gpio ports) for the GPIO being configured.
106 *
107 * This helper deal with the GPIO cases where the control register has 4 bits
108 * of control per GPIO, generally in the form of:
109 * 0000 = Input
110 * 0001 = Output
111 * others = Special functions (dependent on bank)
112 *
113 * Note, since the code to deal with the case where there are two control
114 * registers instead of one, we do not have a separate set of function
115 * (samsung_gpiolib_add_4bit2_chips)for each case.
116 */
117extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip,
118 int nr_chips);
119extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
120 int nr_chips);
121extern void samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip,
122 int nr_chips);
123
124extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
125extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
126
127
128/** 81/**
129 * samsung_gpiolib_to_irq - convert gpio pin to irq number 82 * samsung_gpiolib_to_irq - convert gpio pin to irq number
130 * @chip: The gpio chip that the pin belongs to. 83 * @chip: The gpio chip that the pin belongs to.
@@ -136,36 +89,36 @@ extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
136extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset); 89extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset);
137 90
138/* exported for core SoC support to change */ 91/* exported for core SoC support to change */
139extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default; 92extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default;
140 93
141#ifdef CONFIG_S3C_GPIO_TRACK 94#ifdef CONFIG_S3C_GPIO_TRACK
142extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; 95extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END];
143 96
144static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) 97static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip)
145{ 98{
146 return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL; 99 return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
147} 100}
148#else 101#else
149/* machine specific code should provide s3c_gpiolib_getchip */ 102/* machine specific code should provide samsung_gpiolib_getchip */
150 103
151#include <mach/gpio-track.h> 104#include <mach/gpio-track.h>
152 105
153static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } 106static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { }
154#endif 107#endif
155 108
156#ifdef CONFIG_PM 109#ifdef CONFIG_PM
157extern struct s3c_gpio_pm s3c_gpio_pm_1bit; 110extern struct samsung_gpio_pm samsung_gpio_pm_1bit;
158extern struct s3c_gpio_pm s3c_gpio_pm_2bit; 111extern struct samsung_gpio_pm samsung_gpio_pm_2bit;
159extern struct s3c_gpio_pm s3c_gpio_pm_4bit; 112extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
160#define __gpio_pm(x) x 113#define __gpio_pm(x) x
161#else 114#else
162#define s3c_gpio_pm_1bit NULL 115#define samsung_gpio_pm_1bit NULL
163#define s3c_gpio_pm_2bit NULL 116#define samsung_gpio_pm_2bit NULL
164#define s3c_gpio_pm_4bit NULL 117#define samsung_gpio_pm_4bit NULL
165#define __gpio_pm(x) NULL 118#define __gpio_pm(x) NULL
166 119
167#endif /* CONFIG_PM */ 120#endif /* CONFIG_PM */
168 121
169/* locking wrappers to deal with multiple access to the same gpio bank */ 122/* locking wrappers to deal with multiple access to the same gpio bank */
170#define s3c_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) 123#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
171#define s3c_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) 124#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
diff --git a/arch/arm/plat-samsung/include/plat/gpio-fns.h b/arch/arm/plat-samsung/include/plat/gpio-fns.h
new file mode 100644
index 000000000000..bab139201761
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/gpio-fns.h
@@ -0,0 +1,98 @@
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#ifndef __MACH_GPIO_FNS_H
14#define __MACH_GPIO_FNS_H __FILE__
15
16/* These functions are in the to-be-removed category and it is strongly
17 * encouraged not to use these in new code. They will be marked deprecated
18 * very soon.
19 *
20 * Most of the functionality can be either replaced by the gpiocfg calls
21 * for the s3c platform or by the generic GPIOlib API.
22 *
23 * As of 2.6.35-rc, these will be removed, with the few drivers using them
24 * either replaced or given a wrapper until the calls can be removed.
25*/
26
27#include <plat/gpio-cfg.h>
28
29static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
30{
31 /* 1:1 mapping between cfgpin and setcfg calls at the moment */
32 s3c_gpio_cfgpin(pin, cfg);
33}
34
35/* external functions for GPIO support
36 *
37 * These allow various different clients to access the same GPIO
38 * registers without conflicting. If your driver only owns the entire
39 * GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
40*/
41
42extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
43
44/* s3c2410_gpio_getirq
45 *
46 * turn the given pin number into the corresponding IRQ number
47 *
48 * returns:
49 * < 0 = no interrupt for this pin
50 * >=0 = interrupt number for the pin
51*/
52
53extern int s3c2410_gpio_getirq(unsigned int pin);
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 * This call should be replaced with s3c_gpio_setpull().
74 *
75 * As a note, there is currently no distinction between pull-up and pull-down
76 * in the s3c24xx series devices with only an on/off configuration.
77 */
78
79/* s3c2410_gpio_pullup
80 *
81 * configure the pull-up control on the given pin
82 *
83 * to = 1 => disable the pull-up
84 * 0 => enable the pull-up
85 *
86 * eg;
87 *
88 * s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
89 * s3c2410_gpio_pullup(S3C2410_GPE(8), 0);
90*/
91
92extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
93
94extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
95
96extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
97
98#endif /* __MACH_GPIO_FNS_H */
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index f6749916d194..dcf68709f9cf 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -165,20 +165,20 @@ extern void s3c_pm_check_store(void);
165extern void s3c_pm_configure_extint(void); 165extern void s3c_pm_configure_extint(void);
166 166
167/** 167/**
168 * s3c_pm_restore_gpios() - restore the state of the gpios after sleep. 168 * samsung_pm_restore_gpios() - restore the state of the gpios after sleep.
169 * 169 *
170 * Restore the state of the GPIO pins after sleep, which may involve ensuring 170 * Restore the state of the GPIO pins after sleep, which may involve ensuring
171 * that we do not glitch the state of the pins from that the bootloader's 171 * that we do not glitch the state of the pins from that the bootloader's
172 * resume code has done. 172 * resume code has done.
173*/ 173*/
174extern void s3c_pm_restore_gpios(void); 174extern void samsung_pm_restore_gpios(void);
175 175
176/** 176/**
177 * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. 177 * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep.
178 * 178 *
179 * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios(). 179 * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios().
180 */ 180 */
181extern void s3c_pm_save_gpios(void); 181extern void samsung_pm_save_gpios(void);
182 182
183extern void s3c_pm_save_core(void); 183extern void s3c_pm_save_core(void);
184extern void s3c_pm_restore_core(void); 184extern void s3c_pm_restore_core(void);
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index 96528200eb79..4be016eaa6db 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -28,13 +28,13 @@
28#define OFFS_DAT (0x04) 28#define OFFS_DAT (0x04)
29#define OFFS_UP (0x08) 29#define OFFS_UP (0x08)
30 30
31static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip) 31static void samsung_gpio_pm_1bit_save(struct samsung_gpio_chip *chip)
32{ 32{
33 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); 33 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
34 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); 34 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
35} 35}
36 36
37static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) 37static void samsung_gpio_pm_1bit_resume(struct samsung_gpio_chip *chip)
38{ 38{
39 void __iomem *base = chip->base; 39 void __iomem *base = chip->base;
40 u32 old_gpcon = __raw_readl(base + OFFS_CON); 40 u32 old_gpcon = __raw_readl(base + OFFS_CON);
@@ -60,12 +60,12 @@ static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip)
60 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); 60 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
61} 61}
62 62
63struct s3c_gpio_pm s3c_gpio_pm_1bit = { 63struct samsung_gpio_pm samsung_gpio_pm_1bit = {
64 .save = s3c_gpio_pm_1bit_save, 64 .save = samsung_gpio_pm_1bit_save,
65 .resume = s3c_gpio_pm_1bit_resume, 65 .resume = samsung_gpio_pm_1bit_resume,
66}; 66};
67 67
68static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip) 68static void samsung_gpio_pm_2bit_save(struct samsung_gpio_chip *chip)
69{ 69{
70 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); 70 chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
71 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); 71 chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
@@ -95,7 +95,7 @@ static inline int is_out(unsigned long con)
95} 95}
96 96
97/** 97/**
98 * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank 98 * samsung_gpio_pm_2bit_resume() - restore the given GPIO bank
99 * @chip: The chip information to resume. 99 * @chip: The chip information to resume.
100 * 100 *
101 * Restore one of the GPIO banks that was saved during suspend. This is 101 * Restore one of the GPIO banks that was saved during suspend. This is
@@ -121,7 +121,7 @@ static inline int is_out(unsigned long con)
121 * [1] this assumes that writing to a pin DAT whilst in SFN will set the 121 * [1] this assumes that writing to a pin DAT whilst in SFN will set the
122 * state for when it is next output. 122 * state for when it is next output.
123 */ 123 */
124static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) 124static void samsung_gpio_pm_2bit_resume(struct samsung_gpio_chip *chip)
125{ 125{
126 void __iomem *base = chip->base; 126 void __iomem *base = chip->base;
127 u32 old_gpcon = __raw_readl(base + OFFS_CON); 127 u32 old_gpcon = __raw_readl(base + OFFS_CON);
@@ -187,13 +187,13 @@ static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip)
187 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); 187 chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
188} 188}
189 189
190struct s3c_gpio_pm s3c_gpio_pm_2bit = { 190struct samsung_gpio_pm samsung_gpio_pm_2bit = {
191 .save = s3c_gpio_pm_2bit_save, 191 .save = samsung_gpio_pm_2bit_save,
192 .resume = s3c_gpio_pm_2bit_resume, 192 .resume = samsung_gpio_pm_2bit_resume,
193}; 193};
194 194
195#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P) 195#if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P)
196static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip) 196static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip)
197{ 197{
198 chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON); 198 chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
199 chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT); 199 chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT);
@@ -203,7 +203,7 @@ static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip)
203 chip->pm_save[0] = __raw_readl(chip->base - 4); 203 chip->pm_save[0] = __raw_readl(chip->base - 4);
204} 204}
205 205
206static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) 206static u32 samsung_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
207{ 207{
208 u32 old, new, mask; 208 u32 old, new, mask;
209 u32 change_mask = 0x0; 209 u32 change_mask = 0x0;
@@ -242,14 +242,14 @@ static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
242 return change_mask; 242 return change_mask;
243} 243}
244 244
245static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) 245static void samsung_gpio_pm_4bit_con(struct samsung_gpio_chip *chip, int index)
246{ 246{
247 void __iomem *con = chip->base + (index * 4); 247 void __iomem *con = chip->base + (index * 4);
248 u32 old_gpcon = __raw_readl(con); 248 u32 old_gpcon = __raw_readl(con);
249 u32 gps_gpcon = chip->pm_save[index + 1]; 249 u32 gps_gpcon = chip->pm_save[index + 1];
250 u32 gpcon, mask; 250 u32 gpcon, mask;
251 251
252 mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); 252 mask = samsung_gpio_pm_4bit_mask(old_gpcon, gps_gpcon);
253 253
254 gpcon = old_gpcon & ~mask; 254 gpcon = old_gpcon & ~mask;
255 gpcon |= gps_gpcon & mask; 255 gpcon |= gps_gpcon & mask;
@@ -257,7 +257,7 @@ static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index)
257 __raw_writel(gpcon, con); 257 __raw_writel(gpcon, con);
258} 258}
259 259
260static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) 260static void samsung_gpio_pm_4bit_resume(struct samsung_gpio_chip *chip)
261{ 261{
262 void __iomem *base = chip->base; 262 void __iomem *base = chip->base;
263 u32 old_gpcon[2]; 263 u32 old_gpcon[2];
@@ -269,10 +269,10 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
269 old_gpcon[0] = 0; 269 old_gpcon[0] = 0;
270 old_gpcon[1] = __raw_readl(base + OFFS_CON); 270 old_gpcon[1] = __raw_readl(base + OFFS_CON);
271 271
272 s3c_gpio_pm_4bit_con(chip, 0); 272 samsung_gpio_pm_4bit_con(chip, 0);
273 if (chip->chip.ngpio > 8) { 273 if (chip->chip.ngpio > 8) {
274 old_gpcon[0] = __raw_readl(base - 4); 274 old_gpcon[0] = __raw_readl(base - 4);
275 s3c_gpio_pm_4bit_con(chip, -1); 275 samsung_gpio_pm_4bit_con(chip, -1);
276 } 276 }
277 277
278 /* Now change the configurations that require DAT,CON */ 278 /* Now change the configurations that require DAT,CON */
@@ -298,19 +298,19 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
298 old_gpdat, gps_gpdat); 298 old_gpdat, gps_gpdat);
299} 299}
300 300
301struct s3c_gpio_pm s3c_gpio_pm_4bit = { 301struct samsung_gpio_pm samsung_gpio_pm_4bit = {
302 .save = s3c_gpio_pm_4bit_save, 302 .save = samsung_gpio_pm_4bit_save,
303 .resume = s3c_gpio_pm_4bit_resume, 303 .resume = samsung_gpio_pm_4bit_resume,
304}; 304};
305#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */ 305#endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */
306 306
307/** 307/**
308 * s3c_pm_save_gpio() - save gpio chip data for suspend 308 * samsung_pm_save_gpio() - save gpio chip data for suspend
309 * @ourchip: The chip for suspend. 309 * @ourchip: The chip for suspend.
310 */ 310 */
311static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip) 311static void samsung_pm_save_gpio(struct samsung_gpio_chip *ourchip)
312{ 312{
313 struct s3c_gpio_pm *pm = ourchip->pm; 313 struct samsung_gpio_pm *pm = ourchip->pm;
314 314
315 if (pm == NULL || pm->save == NULL) 315 if (pm == NULL || pm->save == NULL)
316 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); 316 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
@@ -319,24 +319,24 @@ static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip)
319} 319}
320 320
321/** 321/**
322 * s3c_pm_save_gpios() - Save the state of the GPIO banks. 322 * samsung_pm_save_gpios() - Save the state of the GPIO banks.
323 * 323 *
324 * For all the GPIO banks, save the state of each one ready for going 324 * For all the GPIO banks, save the state of each one ready for going
325 * into a suspend mode. 325 * into a suspend mode.
326 */ 326 */
327void s3c_pm_save_gpios(void) 327void samsung_pm_save_gpios(void)
328{ 328{
329 struct s3c_gpio_chip *ourchip; 329 struct samsung_gpio_chip *ourchip;
330 unsigned int gpio_nr; 330 unsigned int gpio_nr;
331 331
332 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { 332 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
333 ourchip = s3c_gpiolib_getchip(gpio_nr); 333 ourchip = samsung_gpiolib_getchip(gpio_nr);
334 if (!ourchip) { 334 if (!ourchip) {
335 gpio_nr++; 335 gpio_nr++;
336 continue; 336 continue;
337 } 337 }
338 338
339 s3c_pm_save_gpio(ourchip); 339 samsung_pm_save_gpio(ourchip);
340 340
341 S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n", 341 S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n",
342 ourchip->chip.label, 342 ourchip->chip.label,
@@ -351,12 +351,12 @@ void s3c_pm_save_gpios(void)
351} 351}
352 352
353/** 353/**
354 * s3c_pm_resume_gpio() - restore gpio chip data after suspend 354 * samsung_pm_resume_gpio() - restore gpio chip data after suspend
355 * @ourchip: The suspended chip. 355 * @ourchip: The suspended chip.
356 */ 356 */
357static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip) 357static void samsung_pm_resume_gpio(struct samsung_gpio_chip *ourchip)
358{ 358{
359 struct s3c_gpio_pm *pm = ourchip->pm; 359 struct samsung_gpio_pm *pm = ourchip->pm;
360 360
361 if (pm == NULL || pm->resume == NULL) 361 if (pm == NULL || pm->resume == NULL)
362 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); 362 S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
@@ -364,19 +364,19 @@ static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip)
364 pm->resume(ourchip); 364 pm->resume(ourchip);
365} 365}
366 366
367void s3c_pm_restore_gpios(void) 367void samsung_pm_restore_gpios(void)
368{ 368{
369 struct s3c_gpio_chip *ourchip; 369 struct samsung_gpio_chip *ourchip;
370 unsigned int gpio_nr; 370 unsigned int gpio_nr;
371 371
372 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { 372 for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) {
373 ourchip = s3c_gpiolib_getchip(gpio_nr); 373 ourchip = samsung_gpiolib_getchip(gpio_nr);
374 if (!ourchip) { 374 if (!ourchip) {
375 gpio_nr++; 375 gpio_nr++;
376 continue; 376 continue;
377 } 377 }
378 378
379 s3c_pm_resume_gpio(ourchip); 379 samsung_pm_resume_gpio(ourchip);
380 380
381 gpio_nr += ourchip->chip.ngpio; 381 gpio_nr += ourchip->chip.ngpio;
382 gpio_nr += CONFIG_S3C_GPIO_SPACE; 382 gpio_nr += CONFIG_S3C_GPIO_SPACE;
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index ae6f99834cdd..64ab65f0fdbc 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -268,8 +268,8 @@ static int s3c_pm_enter(suspend_state_t state)
268 268
269 /* save all necessary core registers not covered by the drivers */ 269 /* save all necessary core registers not covered by the drivers */
270 270
271 s3c_pm_save_gpios(); 271 samsung_pm_save_gpios();
272 s3c_pm_saved_gpios(); 272 samsung_pm_saved_gpios();
273 s3c_pm_save_uarts(); 273 s3c_pm_save_uarts();
274 s3c_pm_save_core(); 274 s3c_pm_save_core();
275 275
@@ -306,7 +306,7 @@ static int s3c_pm_enter(suspend_state_t state)
306 306
307 s3c_pm_restore_core(); 307 s3c_pm_restore_core();
308 s3c_pm_restore_uarts(); 308 s3c_pm_restore_uarts();
309 s3c_pm_restore_gpios(); 309 samsung_pm_restore_gpios();
310 s3c_pm_restored_gpios(); 310 s3c_pm_restored_gpios();
311 311
312 s3c_pm_debug_init(); 312 s3c_pm_debug_init();
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-23 08:09:12 -0500