diff options
48 files changed, 2940 insertions, 3417 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3146ed3f6ec..bea81d01831 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -724,9 +724,6 @@ config ARCH_S3C64XX select SAMSUNG_IRQ_VIC_TIMER select SAMSUNG_IRQ_UART select S3C_GPIO_TRACK - select S3C_GPIO_PULL_UPDOWN - select S3C_GPIO_CFG_S3C24XX - select S3C_GPIO_CFG_S3C64XX select S3C_DEV_NAND select USB_ARCH_HAS_OHCI select SAMSUNG_GPIOLIB_4BIT diff --git a/arch/arm/mach-exynos4/include/mach/pm-core.h b/arch/arm/mach-exynos4/include/mach/pm-core.h index 1df3b81f96e..3499ec73720 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) /* nothing here yet */ } -static inline void s3c_pm_saved_gpios(void) +static inline void samsung_pm_saved_gpios(void) { /* nothing here yet */ } diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig index 7245a55795d..5261a7ed099 100644 --- a/arch/arm/mach-s3c2410/Kconfig +++ b/arch/arm/mach-s3c2410/Kconfig @@ -6,9 +6,7 @@ config CPU_S3C2410 bool depends on ARCH_S3C2410 select CPU_ARM920T - select S3C_GPIO_PULL_UP select S3C2410_CLOCK - select S3C2410_GPIO select CPU_LLSERIAL_S3C2410 select S3C2410_PM if PM select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX @@ -28,11 +26,6 @@ config S3C2410_PM help Power Management code common to S3C2410 and better -config S3C2410_GPIO - bool - help - GPIO code for S3C2410 and similar processors - config SIMTEC_NOR bool help diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile index 81695353d8f..782fd81144e 100644 --- a/arch/arm/mach-s3c2410/Makefile +++ b/arch/arm/mach-s3c2410/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_CPU_S3C2410) += s3c2410.o obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o obj-$(CONFIG_S3C2410_PM) += pm.o sleep.o -obj-$(CONFIG_S3C2410_GPIO) += gpio.o obj-$(CONFIG_S3C2410_CPUFREQ) += cpu-freq.o obj-$(CONFIG_S3C2410_PLLTABLE) += pll.o diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h index bab13920176..c53ad34c657 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -1,98 +1 @@ -/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h - * - * Copyright (c) 2003-2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - hardware - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __MACH_GPIO_FNS_H -#define __MACH_GPIO_FNS_H __FILE__ - -/* These functions are in the to-be-removed category and it is strongly - * encouraged not to use these in new code. They will be marked deprecated - * very soon. - * - * Most of the functionality can be either replaced by the gpiocfg calls - * for the s3c platform or by the generic GPIOlib API. - * - * As of 2.6.35-rc, these will be removed, with the few drivers using them - * either replaced or given a wrapper until the calls can be removed. -*/ - -#include <plat/gpio-cfg.h> - -static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) -{ - /* 1:1 mapping between cfgpin and setcfg calls at the moment */ - s3c_gpio_cfgpin(pin, cfg); -} - -/* external functions for GPIO support - * - * These allow various different clients to access the same GPIO - * registers without conflicting. If your driver only owns the entire - * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. -*/ - -extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); - -/* s3c2410_gpio_getirq - * - * turn the given pin number into the corresponding IRQ number - * - * returns: - * < 0 = no interrupt for this pin - * >=0 = interrupt number for the pin -*/ - -extern int s3c2410_gpio_getirq(unsigned int pin); - -/* s3c2410_gpio_irqfilter - * - * set the irq filtering on the given pin - * - * on = 0 => disable filtering - * 1 => enable filtering - * - * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with - * width of filter (0 through 63) - * - * -*/ - -extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, - unsigned int config); - -/* s3c2410_gpio_pullup - * - * This call should be replaced with s3c_gpio_setpull(). - * - * As a note, there is currently no distinction between pull-up and pull-down - * in the s3c24xx series devices with only an on/off configuration. - */ - -/* s3c2410_gpio_pullup - * - * configure the pull-up control on the given pin - * - * to = 1 => disable the pull-up - * 0 => enable the pull-up - * - * eg; - * - * s3c2410_gpio_pullup(S3C2410_GPB(0), 0); - * s3c2410_gpio_pullup(S3C2410_GPE(8), 0); -*/ - -extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); - -extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); - -extern unsigned int s3c2410_gpio_getpin(unsigned int pin); - -#endif /* __MACH_GPIO_FNS_H */ +#include <plat/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 d67819dde42..c410a078622 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 @@ #include <mach/regs-gpio.h> -extern struct s3c_gpio_chip s3c24xx_gpios[]; +extern struct samsung_gpio_chip s3c24xx_gpios[]; -static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) +static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin) { - struct s3c_gpio_chip *chip; + struct samsung_gpio_chip *chip; if (pin > S3C_GPIO_END) 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 45eea5210c8..2eef7e6f767 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, } static inline void s3c_pm_restored_gpios(void) { } -static inline void s3c_pm_saved_gpios(void) { } +static inline void samsung_pm_saved_gpios(void) { } diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index f1d3bd8f6f1..a99c2f4a523 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) void __init s3c2410_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); } diff --git a/arch/arm/mach-s3c2412/Kconfig b/arch/arm/mach-s3c2412/Kconfig index c2cf4e56998..b8b9029e9f2 100644 --- a/arch/arm/mach-s3c2412/Kconfig +++ b/arch/arm/mach-s3c2412/Kconfig @@ -9,7 +9,6 @@ config CPU_S3C2412 select CPU_LLSERIAL_S3C2440 select S3C2412_PM if PM select S3C2412_DMA if S3C2410_DMA - select S3C2410_GPIO help Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line diff --git a/arch/arm/mach-s3c2412/Makefile b/arch/arm/mach-s3c2412/Makefile index 6c48a91ea39..7e4d95fa8a9 100644 --- a/arch/arm/mach-s3c2412/Makefile +++ b/arch/arm/mach-s3c2412/Makefile @@ -12,7 +12,6 @@ obj- := obj-$(CONFIG_CPU_S3C2412) += s3c2412.o obj-$(CONFIG_CPU_S3C2412) += irq.o obj-$(CONFIG_CPU_S3C2412) += clock.o -obj-$(CONFIG_CPU_S3C2412) += gpio.o obj-$(CONFIG_S3C2412_DMA) += dma.o obj-$(CONFIG_S3C2412_PM) += pm.o obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep.o diff --git a/arch/arm/mach-s3c2412/gpio.c b/arch/arm/mach-s3c2412/gpio.c index 3404a876b33..4526f6ba31a 100644 --- a/arch/arm/mach-s3c2412/gpio.c +++ b/arch/arm/mach-s3c2412/gpio.c @@ -28,7 +28,7 @@ int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state) { - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); unsigned long offs = pin - chip->chip.base; unsigned long flags; unsigned long slpcon; diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig index 69b48a7d1db..84c7b03e5a3 100644 --- a/arch/arm/mach-s3c2416/Kconfig +++ b/arch/arm/mach-s3c2416/Kconfig @@ -13,7 +13,6 @@ config CPU_S3C2416 select CPU_ARM926T select S3C2416_DMA if S3C2410_DMA select CPU_LLSERIAL_S3C2440 - select S3C_GPIO_PULL_UPDOWN select SAMSUNG_CLKSRC select S3C2443_CLOCK help diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index 494ce913dc9..3156b7a7137 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) void __init s3c2416_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; + s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; /* initialize device information early */ s3c2416_default_sdhci0(); diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index 50825a3f91c..914e620f125 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -5,10 +5,8 @@ config CPU_S3C2440 bool select CPU_ARM920T - select S3C_GPIO_PULL_UP select S3C2410_CLOCK select S3C2410_PM if PM - select S3C2410_GPIO select S3C2440_DMA if S3C2410_DMA select CPU_S3C244X select CPU_LLSERIAL_S3C2440 @@ -18,9 +16,7 @@ config CPU_S3C2440 config CPU_S3C2442 bool select CPU_ARM920T - select S3C_GPIO_PULL_DOWN select S3C2410_CLOCK - select S3C2410_GPIO select S3C2410_PM if PM select CPU_S3C244X select CPU_LLSERIAL_S3C2440 diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index ce99ff72838..fc84e481efc 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) { s3c244x_map_io(); - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; } diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c index 9ad99f8016a..48e273ce9f9 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) { s3c244x_map_io(); - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down; } diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index d8eb86823df..8814031516c 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -10,7 +10,6 @@ config CPU_S3C2443 select CPU_LLSERIAL_S3C2440 select SAMSUNG_CLKSRC select S3C2443_CLOCK - select S3C_GPIO_PULL_S3C2443 help Support for the S3C2443 SoC from the S3C24XX line diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c index e6a28ba52c7..5df6458ddd4 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) void __init s3c2443_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; + s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; + s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); } diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 5fdea6aa50d..902ab9ace93 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -13,7 +13,6 @@ obj- := # Core files obj-y += cpu.o obj-y += clock.o -obj-y += gpiolib.o # Core support for S3C6400 system diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c deleted file mode 100644 index 92b09085caa..00000000000 --- a/arch/arm/mach-s3c64xx/gpiolib.c +++ /dev/null @@ -1,290 +0,0 @@ -/* arch/arm/plat-s3c64xx/gpiolib.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/regs-gpio.h> - -/* GPIO bank summary: - * - * Bank GPIOs Style SlpCon ExtInt Group - * A 8 4Bit Yes 1 - * B 7 4Bit Yes 1 - * C 8 4Bit Yes 2 - * D 5 4Bit Yes 3 - * E 5 4Bit Yes None - * F 16 2Bit Yes 4 [1] - * G 7 4Bit Yes 5 - * H 10 4Bit[2] Yes 6 - * I 16 2Bit Yes None - * J 12 2Bit Yes None - * K 16 4Bit[2] No None - * L 15 4Bit[2] No None - * M 6 4Bit No IRQ_EINT - * N 16 2Bit No IRQ_EINT - * O 16 2Bit Yes 7 - * P 15 2Bit Yes 8 - * Q 9 2Bit Yes 9 - * - * [1] BANKF pins 14,15 do not form part of the external interrupt sources - * [2] BANK has two control registers, GPxCON0 and GPxCON1 - */ - -static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = { - .cfg_eint = 7, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { - .cfg_eint = 3, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) -{ - return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; -} - -static struct s3c_gpio_chip gpio_4bit[] = { - { - .base = S3C64XX_GPA_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPA(0), - .ngpio = S3C64XX_GPIO_A_NR, - .label = "GPA", - }, - }, { - .base = S3C64XX_GPB_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPB(0), - .ngpio = S3C64XX_GPIO_B_NR, - .label = "GPB", - }, - }, { - .base = S3C64XX_GPC_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPC(0), - .ngpio = S3C64XX_GPIO_C_NR, - .label = "GPC", - }, - }, { - .base = S3C64XX_GPD_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPD(0), - .ngpio = S3C64XX_GPIO_D_NR, - .label = "GPD", - }, - }, { - .base = S3C64XX_GPE_BASE, - .config = &gpio_4bit_cfg_noint, - .chip = { - .base = S3C64XX_GPE(0), - .ngpio = S3C64XX_GPIO_E_NR, - .label = "GPE", - }, - }, { - .base = S3C64XX_GPG_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPG(0), - .ngpio = S3C64XX_GPIO_G_NR, - .label = "GPG", - }, - }, { - .base = S3C64XX_GPM_BASE, - .config = &gpio_4bit_cfg_eint0011, - .chip = { - .base = S3C64XX_GPM(0), - .ngpio = S3C64XX_GPIO_M_NR, - .label = "GPM", - .to_irq = s3c64xx_gpio2int_gpm, - }, - }, -}; - -static int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) -{ - return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; -} - -static struct s3c_gpio_chip gpio_4bit2[] = { - { - .base = S3C64XX_GPH_BASE + 0x4, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPH(0), - .ngpio = S3C64XX_GPIO_H_NR, - .label = "GPH", - }, - }, { - .base = S3C64XX_GPK_BASE + 0x4, - .config = &gpio_4bit_cfg_noint, - .chip = { - .base = S3C64XX_GPK(0), - .ngpio = S3C64XX_GPIO_K_NR, - .label = "GPK", - }, - }, { - .base = S3C64XX_GPL_BASE + 0x4, - .config = &gpio_4bit_cfg_eint0011, - .chip = { - .base = S3C64XX_GPL(0), - .ngpio = S3C64XX_GPIO_L_NR, - .label = "GPL", - .to_irq = s3c64xx_gpio2int_gpl, - }, - }, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { - .cfg_eint = 2, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = { - .cfg_eint = 3, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_chip gpio_2bit[] = { - { - .base = S3C64XX_GPF_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPF(0), - .ngpio = S3C64XX_GPIO_F_NR, - .label = "GPF", - }, - }, { - .base = S3C64XX_GPI_BASE, - .config = &gpio_2bit_cfg_noint, - .chip = { - .base = S3C64XX_GPI(0), - .ngpio = S3C64XX_GPIO_I_NR, - .label = "GPI", - }, - }, { - .base = S3C64XX_GPJ_BASE, - .config = &gpio_2bit_cfg_noint, - .chip = { - .base = S3C64XX_GPJ(0), - .ngpio = S3C64XX_GPIO_J_NR, - .label = "GPJ", - }, - }, { - .base = S3C64XX_GPN_BASE, - .irq_base = IRQ_EINT(0), - .config = &gpio_2bit_cfg_eint10, - .chip = { - .base = S3C64XX_GPN(0), - .ngpio = S3C64XX_GPIO_N_NR, - .label = "GPN", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = S3C64XX_GPO_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPO(0), - .ngpio = S3C64XX_GPIO_O_NR, - .label = "GPO", - }, - }, { - .base = S3C64XX_GPP_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPP(0), - .ngpio = S3C64XX_GPIO_P_NR, - .label = "GPP", - }, - }, { - .base = S3C64XX_GPQ_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPQ(0), - .ngpio = S3C64XX_GPIO_Q_NR, - .label = "GPQ", - }, - }, -}; - -static __init void s3c64xx_gpiolib_add_2bit(struct s3c_gpio_chip *chip) -{ - chip->pm = __gpio_pm(&s3c_gpio_pm_2bit); -} - -static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips, - int nr_chips, - void (*fn)(struct s3c_gpio_chip *)) -{ - for (; nr_chips > 0; nr_chips--, chips++) { - if (fn) - (fn)(chips); - s3c_gpiolib_add(chips); - } -} - -static __init int s3c64xx_gpiolib_init(void) -{ - s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit), - samsung_gpiolib_add_4bit); - - s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2), - samsung_gpiolib_add_4bit2); - - s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit), - s3c64xx_gpiolib_add_2bit); - - return 0; -} - -core_initcall(s3c64xx_gpiolib_init); diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h index 38659bebe4b..fcf3dcabb69 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) __raw_writel(0, S3C64XX_SLPEN); } -static inline void s3c_pm_saved_gpios(void) +static inline void samsung_pm_saved_gpios(void) { /* turn on the sleep mode and keep it there, as it seems that during * suspend the xCON registers get re-set and thus you can end up with diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile index 5f6afdf067e..5b949553883 100644 --- a/arch/arm/mach-s5p64x0/Makefile +++ b/arch/arm/mach-s5p64x0/Makefile @@ -12,7 +12,7 @@ obj- := # Core support for S5P64X0 system -obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o gpiolib.o +obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o obj-$(CONFIG_ARCH_S5P64X0) += setup-i2c0.o irq-eint.o obj-$(CONFIG_CPU_S5P6440) += clock-s5p6440.o obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o diff --git a/arch/arm/mach-s5p64x0/gpiolib.c b/arch/arm/mach-s5p64x0/gpiolib.c deleted file mode 100644 index e7fb3b004e7..00000000000 --- a/arch/arm/mach-s5p64x0/gpiolib.c +++ /dev/null @@ -1,511 +0,0 @@ -/* linux/arch/arm/mach-s5p64x0/gpiolib.c - * - * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * S5P64X0 - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> -#include <mach/regs-gpio.h> -#include <mach/regs-clock.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -/* - * S5P6440 GPIO bank summary: - * - * Bank GPIOs Style SlpCon ExtInt Group - * A 6 4Bit Yes 1 - * B 7 4Bit Yes 1 - * C 8 4Bit Yes 2 - * F 2 2Bit Yes 4 [1] - * G 7 4Bit Yes 5 - * H 10 4Bit[2] Yes 6 - * I 16 2Bit Yes None - * J 12 2Bit Yes None - * N 16 2Bit No IRQ_EINT - * P 8 2Bit Yes 8 - * R 15 4Bit[2] Yes 8 - * - * S5P6450 GPIO bank summary: - * - * Bank GPIOs Style SlpCon ExtInt Group - * A 6 4Bit Yes 1 - * B 7 4Bit Yes 1 - * C 8 4Bit Yes 2 - * D 8 4Bit Yes None - * F 2 2Bit Yes None - * G 14 4Bit[2] Yes 5 - * H 10 4Bit[2] Yes 6 - * I 16 2Bit Yes None - * J 12 2Bit Yes None - * K 5 4Bit Yes None - * N 16 2Bit No IRQ_EINT - * P 11 2Bit Yes 8 - * Q 14 2Bit Yes None - * R 15 4Bit[2] Yes None - * S 8 2Bit Yes None - * - * [1] BANKF pins 14,15 do not form part of the external interrupt sources - * [2] BANK has two control registers, GPxCON0 and GPxCON1 - */ - -static int s5p64x0_gpiolib_rbank_4bit2_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - unsigned long flags; - - switch (offset) { - case 6: - offset += 1; - case 0: - case 1: - case 2: - case 3: - case 4: - case 5: - regcon -= 4; - break; - default: - offset -= 7; - break; - } - - s3c_gpio_lock(ourchip, flags); - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, regcon); - - s3c_gpio_unlock(ourchip, flags); - - return 0; -} - -static int s5p64x0_gpiolib_rbank_4bit2_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - unsigned long dat; - unsigned long flags; - unsigned con_offset = offset; - - switch (con_offset) { - case 6: - con_offset += 1; - case 0: - case 1: - case 2: - case 3: - case 4: - case 5: - regcon -= 4; - break; - default: - con_offset -= 7; - break; - } - - s3c_gpio_lock(ourchip, flags); - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(con_offset)); - con |= 0x1 << con_4bit_shift(con_offset); - - dat = __raw_readl(base + GPIODAT_OFF); - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(con, regcon); - __raw_writel(dat, base + GPIODAT_OFF); - - s3c_gpio_unlock(ourchip, flags); - - return 0; -} - -int s5p64x0_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift; - u32 con; - - switch (off) { - case 0: - case 1: - case 2: - case 3: - case 4: - case 5: - shift = (off & 7) * 4; - reg -= 4; - break; - case 6: - shift = ((off + 1) & 7) * 4; - reg -= 4; - default: - shift = ((off + 1) & 7) * 4; - break; - } - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0xf << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -static struct s3c_gpio_cfg s5p64x0_gpio_cfgs[] = { - { - .cfg_eint = 0, - }, { - .cfg_eint = 7, - }, { - .cfg_eint = 3, - .set_config = s5p64x0_gpio_setcfg_4bit_rbank, - }, { - .cfg_eint = 0, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - }, { - .cfg_eint = 2, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - }, { - .cfg_eint = 3, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - }, -}; - -static struct s3c_gpio_chip s5p6440_gpio_4bit[] = { - { - .base = S5P64X0_GPA_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6440_GPA(0), - .ngpio = S5P6440_GPIO_A_NR, - .label = "GPA", - }, - }, { - .base = S5P64X0_GPB_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6440_GPB(0), - .ngpio = S5P6440_GPIO_B_NR, - .label = "GPB", - }, - }, { - .base = S5P64X0_GPC_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6440_GPC(0), - .ngpio = S5P6440_GPIO_C_NR, - .label = "GPC", - }, - }, { - .base = S5P64X0_GPG_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6440_GPG(0), - .ngpio = S5P6440_GPIO_G_NR, - .label = "GPG", - }, - }, -}; - -static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = { - { - .base = S5P64X0_GPH_BASE + 0x4, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6440_GPH(0), - .ngpio = S5P6440_GPIO_H_NR, - .label = "GPH", - }, - }, -}; - -static struct s3c_gpio_chip s5p6440_gpio_rbank_4bit2[] = { - { - .base = S5P64X0_GPR_BASE + 0x4, - .config = &s5p64x0_gpio_cfgs[2], - .chip = { - .base = S5P6440_GPR(0), - .ngpio = S5P6440_GPIO_R_NR, - .label = "GPR", - }, - }, -}; - -static struct s3c_gpio_chip s5p6440_gpio_2bit[] = { - { - .base = S5P64X0_GPF_BASE, - .config = &s5p64x0_gpio_cfgs[5], - .chip = { - .base = S5P6440_GPF(0), - .ngpio = S5P6440_GPIO_F_NR, - .label = "GPF", - }, - }, { - .base = S5P64X0_GPI_BASE, - .config = &s5p64x0_gpio_cfgs[3], - .chip = { - .base = S5P6440_GPI(0), - .ngpio = S5P6440_GPIO_I_NR, - .label = "GPI", - }, - }, { - .base = S5P64X0_GPJ_BASE, - .config = &s5p64x0_gpio_cfgs[3], - .chip = { - .base = S5P6440_GPJ(0), - .ngpio = S5P6440_GPIO_J_NR, - .label = "GPJ", - }, - }, { - .base = S5P64X0_GPN_BASE, - .config = &s5p64x0_gpio_cfgs[4], - .chip = { - .base = S5P6440_GPN(0), - .ngpio = S5P6440_GPIO_N_NR, - .label = "GPN", - }, - }, { - .base = S5P64X0_GPP_BASE, - .config = &s5p64x0_gpio_cfgs[5], - .chip = { - .base = S5P6440_GPP(0), - .ngpio = S5P6440_GPIO_P_NR, - .label = "GPP", - }, - }, -}; - -static struct s3c_gpio_chip s5p6450_gpio_4bit[] = { - { - .base = S5P64X0_GPA_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPA(0), - .ngpio = S5P6450_GPIO_A_NR, - .label = "GPA", - }, - }, { - .base = S5P64X0_GPB_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPB(0), - .ngpio = S5P6450_GPIO_B_NR, - .label = "GPB", - }, - }, { - .base = S5P64X0_GPC_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPC(0), - .ngpio = S5P6450_GPIO_C_NR, - .label = "GPC", - }, - }, { - .base = S5P6450_GPD_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPD(0), - .ngpio = S5P6450_GPIO_D_NR, - .label = "GPD", - }, - }, { - .base = S5P6450_GPK_BASE, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPK(0), - .ngpio = S5P6450_GPIO_K_NR, - .label = "GPK", - }, - }, -}; - -static struct s3c_gpio_chip s5p6450_gpio_4bit2[] = { - { - .base = S5P64X0_GPG_BASE + 0x4, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPG(0), - .ngpio = S5P6450_GPIO_G_NR, - .label = "GPG", - }, - }, { - .base = S5P64X0_GPH_BASE + 0x4, - .config = &s5p64x0_gpio_cfgs[1], - .chip = { - .base = S5P6450_GPH(0), - .ngpio = S5P6450_GPIO_H_NR, - .label = "GPH", - }, - }, -}; - -static struct s3c_gpio_chip s5p6450_gpio_rbank_4bit2[] = { - { - .base = S5P64X0_GPR_BASE + 0x4, - .config = &s5p64x0_gpio_cfgs[2], - .chip = { - .base = S5P6450_GPR(0), - .ngpio = S5P6450_GPIO_R_NR, - .label = "GPR", - }, - }, -}; - -static struct s3c_gpio_chip s5p6450_gpio_2bit[] = { - { - .base = S5P64X0_GPF_BASE, - .config = &s5p64x0_gpio_cfgs[5], - .chip = { - .base = S5P6450_GPF(0), - .ngpio = S5P6450_GPIO_F_NR, - .label = "GPF", - }, - }, { - .base = S5P64X0_GPI_BASE, - .config = &s5p64x0_gpio_cfgs[3], - .chip = { - .base = S5P6450_GPI(0), - .ngpio = S5P6450_GPIO_I_NR, - .label = "GPI", - }, - }, { - .base = S5P64X0_GPJ_BASE, - .config = &s5p64x0_gpio_cfgs[3], - .chip = { - .base = S5P6450_GPJ(0), - .ngpio = S5P6450_GPIO_J_NR, - .label = "GPJ", - }, - }, { - .base = S5P64X0_GPN_BASE, - .config = &s5p64x0_gpio_cfgs[4], - .chip = { - .base = S5P6450_GPN(0), - .ngpio = S5P6450_GPIO_N_NR, - .label = "GPN", - }, - }, { - .base = S5P64X0_GPP_BASE, - .config = &s5p64x0_gpio_cfgs[5], - .chip = { - .base = S5P6450_GPP(0), - .ngpio = S5P6450_GPIO_P_NR, - .label = "GPP", - }, - }, { - .base = S5P6450_GPQ_BASE, - .config = &s5p64x0_gpio_cfgs[4], - .chip = { - .base = S5P6450_GPQ(0), - .ngpio = S5P6450_GPIO_Q_NR, - .label = "GPQ", - }, - }, { - .base = S5P6450_GPS_BASE, - .config = &s5p64x0_gpio_cfgs[5], - .chip = { - .base = S5P6450_GPS(0), - .ngpio = S5P6450_GPIO_S_NR, - .label = "GPS", - }, - }, -}; - -void __init s5p64x0_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chipcfg++) { - if (!chipcfg->set_config) - chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit; - if (!chipcfg->get_config) - chipcfg->get_config = s3c_gpio_getcfg_s3c64xx_4bit; - if (!chipcfg->set_pull) - chipcfg->set_pull = s3c_gpio_setpull_updown; - if (!chipcfg->get_pull) - chipcfg->get_pull = s3c_gpio_getpull_updown; - } -} - -static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - chip->chip.direction_input = s5p64x0_gpiolib_rbank_4bit2_input; - chip->chip.direction_output = - s5p64x0_gpiolib_rbank_4bit2_output; - s3c_gpiolib_add(chip); - } -} - -static int __init s5p64x0_gpiolib_init(void) -{ - unsigned int chipid; - - chipid = __raw_readl(S5P64X0_SYS_ID); - - s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs, - ARRAY_SIZE(s5p64x0_gpio_cfgs)); - - if ((chipid & 0xff000) == 0x50000) { - samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit, - ARRAY_SIZE(s5p6450_gpio_2bit)); - - samsung_gpiolib_add_4bit_chips(s5p6450_gpio_4bit, - ARRAY_SIZE(s5p6450_gpio_4bit)); - - samsung_gpiolib_add_4bit2_chips(s5p6450_gpio_4bit2, - ARRAY_SIZE(s5p6450_gpio_4bit2)); - - s5p64x0_gpio_add_rbank_4bit2(s5p6450_gpio_rbank_4bit2, - ARRAY_SIZE(s5p6450_gpio_rbank_4bit2)); - } else { - samsung_gpiolib_add_2bit_chips(s5p6440_gpio_2bit, - ARRAY_SIZE(s5p6440_gpio_2bit)); - - samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit, - ARRAY_SIZE(s5p6440_gpio_4bit)); - - samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2, - ARRAY_SIZE(s5p6440_gpio_4bit2)); - - s5p64x0_gpio_add_rbank_4bit2(s5p6440_gpio_rbank_4bit2, - ARRAY_SIZE(s5p6440_gpio_rbank_4bit2)); - } - - return 0; -} -core_initcall(s5p64x0_gpiolib_init); diff --git a/arch/arm/mach-s5pv210/include/mach/pm-core.h b/arch/arm/mach-s5pv210/include/mach/pm-core.h index 3e22109e1b7..eba8aea63ed 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, } static inline void s3c_pm_restored_gpios(void) { } -static inline void s3c_pm_saved_gpios(void) { } +static inline void samsung_pm_saved_gpios(void) { } diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 8c5b3029b39..d8973ac46bc 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -9,7 +9,6 @@ config PLAT_S3C24XX select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select S3C_DEV_NAND - select S3C_GPIO_CFG_S3C24XX help Base platform code for any Samsung S3C24XX device diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 0291bd6e236..e4f46495ed3 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -15,8 +15,6 @@ obj- := obj-y += cpu.o obj-y += irq.o obj-y += devs.o -obj-y += gpio.o -obj-y += gpiolib.o obj-y += clock.o obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c deleted file mode 100644 index 2f3d7c089df..00000000000 --- a/arch/arm/plat-s3c24xx/gpio.c +++ /dev/null @@ -1,96 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpio.c - * - * Copyright (c) 2004-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIO support - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/gpio-fns.h> -#include <asm/irq.h> - -#include <mach/regs-gpio.h> - -#include <plat/gpio-core.h> - -/* gpiolib wrappers until these are totally eliminated */ - -void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) -{ - int ret; - - WARN_ON(to); /* should be none of these left */ - - if (!to) { - /* if pull is enabled, try first with up, and if that - * fails, try using down */ - - ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); - if (ret) - s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); - } else { - s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); - } -} -EXPORT_SYMBOL(s3c2410_gpio_pullup); - -void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) -{ - /* do this via gpiolib until all users removed */ - - gpio_request(pin, "temporary"); - gpio_set_value(pin, to); - gpio_free(pin); -} - -EXPORT_SYMBOL(s3c2410_gpio_setpin); - -unsigned int s3c2410_gpio_getpin(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long offs = pin - chip->chip.base; - - return __raw_readl(chip->base + 0x04) & (1<< offs); -} - -EXPORT_SYMBOL(s3c2410_gpio_getpin); - -unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) -{ - unsigned long flags; - unsigned long misccr; - - local_irq_save(flags); - misccr = __raw_readl(S3C24XX_MISCCR); - misccr &= ~clear; - misccr ^= change; - __raw_writel(misccr, S3C24XX_MISCCR); - local_irq_restore(flags); - - return misccr; -} - -EXPORT_SYMBOL(s3c2410_modify_misccr); diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c deleted file mode 100644 index 243b6411050..00000000000 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ /dev/null @@ -1,229 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpiolib.c - * - * Copyright (c) 2008-2010 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIOlib support - * - * 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. -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sysdev.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <plat/pm.h> - -#include <mach/regs-gpio.h> - -static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) -{ - return -EINVAL; -} - -static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - dat = __raw_readl(base + 0x04); - - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - - __raw_writel(dat, base + 0x04); - - con &= ~(1 << offset); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); - return 0; -} - -static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset) -{ - if (offset < 4) - return IRQ_EINT0 + offset; - - if (offset < 8) - return IRQ_EINT4 + offset - 4; - - return -EINVAL; -} - -static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = { - .set_config = s3c_gpio_setcfg_s3c24xx_a, - .get_config = s3c_gpio_getcfg_s3c24xx_a, -}; - -struct s3c_gpio_cfg s3c24xx_gpiocfg_default = { - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, -}; - -struct s3c_gpio_chip s3c24xx_gpios[] = { - [0] = { - .base = S3C2410_GPACON, - .pm = __gpio_pm(&s3c_gpio_pm_1bit), - .config = &s3c24xx_gpiocfg_banka, - .chip = { - .base = S3C2410_GPA(0), - .owner = THIS_MODULE, - .label = "GPIOA", - .ngpio = 24, - .direction_input = s3c24xx_gpiolib_banka_input, - .direction_output = s3c24xx_gpiolib_banka_output, - }, - }, - [1] = { - .base = S3C2410_GPBCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPB(0), - .owner = THIS_MODULE, - .label = "GPIOB", - .ngpio = 16, - }, - }, - [2] = { - .base = S3C2410_GPCCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPC(0), - .owner = THIS_MODULE, - .label = "GPIOC", - .ngpio = 16, - }, - }, - [3] = { - .base = S3C2410_GPDCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPD(0), - .owner = THIS_MODULE, - .label = "GPIOD", - .ngpio = 16, - }, - }, - [4] = { - .base = S3C2410_GPECON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPE(0), - .label = "GPIOE", - .owner = THIS_MODULE, - .ngpio = 16, - }, - }, - [5] = { - .base = S3C2410_GPFCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPF(0), - .owner = THIS_MODULE, - .label = "GPIOF", - .ngpio = 8, - .to_irq = s3c24xx_gpiolib_bankf_toirq, - }, - }, - [6] = { - .base = S3C2410_GPGCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .irq_base = IRQ_EINT8, - .chip = { - .base = S3C2410_GPG(0), - .owner = THIS_MODULE, - .label = "GPIOG", - .ngpio = 16, - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = S3C2410_GPHCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPH(0), - .owner = THIS_MODULE, - .label = "GPIOH", - .ngpio = 11, - }, - }, - /* GPIOS for the S3C2443 and later devices. */ - { - .base = S3C2440_GPJCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPJ(0), - .owner = THIS_MODULE, - .label = "GPIOJ", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPKCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPK(0), - .owner = THIS_MODULE, - .label = "GPIOK", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPLCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPL(0), - .owner = THIS_MODULE, - .label = "GPIOL", - .ngpio = 15, - }, - }, { - .base = S3C2443_GPMCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPM(0), - .owner = THIS_MODULE, - .label = "GPIOM", - .ngpio = 2, - }, - }, -}; - - -static __init int s3c24xx_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s3c24xx_gpios; - int gpn; - - for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) { - if (!chip->config) - chip->config = &s3c24xx_gpiocfg_default; - - s3c_gpiolib_add(chip); - } - - return 0; -} - -core_initcall(s3c24xx_gpiolib_init); diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index 9843c954c04..ac610bee2cb 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -16,9 +16,6 @@ config PLAT_S5P select S3C_GPIO_TRACK select S5P_GPIO_DRVSTR select SAMSUNG_GPIOLIB_4BIT - select S3C_GPIO_CFG_S3C64XX - select S3C_GPIO_PULL_UPDOWN - select S3C_GPIO_CFG_S3C24XX select PLAT_SAMSUNG select SAMSUNG_CLKSRC select SAMSUNG_IRQ_VIC_TIMER diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c index f88216d2399..a566523d34e 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 { int start; int nr_groups; int irq; - struct s3c_gpio_chip **chips; + struct samsung_gpio_chip **chips; void (*handler)(unsigned int, struct irq_desc *); }; @@ -87,7 +87,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) chained_irq_enter(chip, desc); for (group = 0; group < bank->nr_groups; group++) { - struct s3c_gpio_chip *chip = bank->chips[group]; + struct samsung_gpio_chip *chip = bank->chips[group]; if (!chip) continue; @@ -110,7 +110,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } -static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) +static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip) { static int used_gpioint_groups = 0; int group = chip->group; @@ -131,7 +131,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) return -EINVAL; if (!bank->handler) { - bank->chips = kzalloc(sizeof(struct s3c_gpio_chip *) * + bank->chips = kzalloc(sizeof(struct samsung_gpio_chip *) * bank->nr_groups, GFP_KERNEL); if (!bank->chips) return -ENOMEM; @@ -174,7 +174,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) int __init s5p_register_gpio_interrupt(int pin) { - struct s3c_gpio_chip *my_chip = s3c_gpiolib_getchip(pin); + struct samsung_gpio_chip *my_chip = samsung_gpiolib_getchip(pin); int offset, group; int ret; diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 0a3eec616d6..74714c155e1 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -79,39 +79,12 @@ config SAMSUNG_GPIOLIB_4BIT configuration. GPIOlib shall be compiled only for S3C64XX and S5P series of processors. -config S3C_GPIO_CFG_S3C24XX - bool - help - Internal configuration to enable S3C24XX style GPIO configuration - functions. - config S3C_GPIO_CFG_S3C64XX bool help Internal configuration to enable S3C64XX style GPIO configuration functions. -config S3C_GPIO_PULL_UPDOWN - bool - help - Internal configuration to enable the correct GPIO pull helper - -config S3C_GPIO_PULL_S3C2443 - bool - select S3C_GPIO_PULL_UPDOWN - help - Internal configuration to enable the correct GPIO pull helper for S3C2443-style GPIO - -config S3C_GPIO_PULL_DOWN - bool - help - Internal configuration to enable the correct GPIO pull helper - -config S3C_GPIO_PULL_UP - bool - help - Internal configuration to enable the correct GPIO pull helper - config S5P_GPIO_DRVSTR bool help diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 90758494cad..5ed2b2be0c7 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -15,8 +15,6 @@ obj-y += init.o obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o obj-y += clock.o obj-y += pwm-clock.o -obj-y += gpio.o -obj-y += gpio-config.o obj-y += dev-asocdma.o obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c deleted file mode 100644 index 1c0b0401594..00000000000 --- a/arch/arm/plat-samsung/gpio-config.c +++ /dev/null @@ -1,431 +0,0 @@ -/* linux/arch/arm/plat-s3c/gpio-config.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C series GPIO configuration core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset; - int ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_setcfg(chip, offset, config); - s3c_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_cfgpin); - -int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, - unsigned int cfg) -{ - int ret; - - for (; nr > 0; nr--, start++) { - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); - -int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, - unsigned int cfg, s3c_gpio_pull_t pull) -{ - int ret; - - for (; nr > 0; nr--, start++) { - s3c_gpio_setpull(start, pull); - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); - -unsigned s3c_gpio_getcfg(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - unsigned ret = 0; - int offset; - - if (chip) { - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_getcfg(chip, offset); - s3c_gpio_unlock(chip, flags); - } - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_getcfg); - - -int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset, ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_setpull(chip, offset, pull); - s3c_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_setpull); - -s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset; - u32 pup = 0; - - if (chip) { - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - pup = s3c_gpio_do_getpull(chip, offset); - s3c_gpio_unlock(chip, flags); - } - - return (__force s3c_gpio_pull_t)pup; -} -EXPORT_SYMBOL(s3c_gpio_getpull); - -#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX -int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off; - u32 con; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - - /* Map output to 0, and SFN2 to 1 */ - cfg -= 1; - if (cfg > 1) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x1 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off; - con &= 1; - con++; - - return S3C_GPIO_SFN(con); -} - -int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off * 2; - u32 con; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - if (cfg > 3) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x3 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off * 2; - con &= 3; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} -#endif - -#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX -int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0xf << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - con = __raw_readl(reg); - con >>= shift; - con &= 0xf; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} - -#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */ - -#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN -int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup; - - pup = __raw_readl(reg); - pup &= ~(3 << shift); - pup |= pull << shift; - __raw_writel(pup, reg); - - return 0; -} - -s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup = __raw_readl(reg); - - pup >>= shift; - pup &= 0x3; - return (__force s3c_gpio_pull_t)pup; -} - -#ifdef CONFIG_S3C_GPIO_PULL_S3C2443 -int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - switch (pull) { - case S3C_GPIO_PULL_NONE: - pull = 0x01; - break; - case S3C_GPIO_PULL_UP: - pull = 0x00; - break; - case S3C_GPIO_PULL_DOWN: - pull = 0x02; - break; - } - return s3c_gpio_setpull_updown(chip, off, pull); -} - -s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off) -{ - s3c_gpio_pull_t pull; - - pull = s3c_gpio_getpull_updown(chip, off); - - switch (pull) { - case 0x00: - pull = S3C_GPIO_PULL_UP; - break; - case 0x01: - case 0x03: - pull = S3C_GPIO_PULL_NONE; - break; - case 0x02: - pull = S3C_GPIO_PULL_DOWN; - break; - } - - return pull; -} -#endif -#endif - -#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN) -static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull, - s3c_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - if (pull == updown) - pup &= ~(1 << off); - else if (pull == S3C_GPIO_PULL_NONE) - pup |= (1 << off); - else - return -EINVAL; - - __raw_writel(pup, reg); - return 0; -} - -static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - pup &= (1 << off); - return pup ? S3C_GPIO_PULL_NONE : updown; -} -#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */ - -#ifdef CONFIG_S3C_GPIO_PULL_UP -s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, - unsigned int off) -{ - return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); -} - -int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); -} -#endif /* CONFIG_S3C_GPIO_PULL_UP */ - -#ifdef CONFIG_S3C_GPIO_PULL_DOWN -s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, - unsigned int off) -{ - return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); -} - -int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); -} -#endif /* CONFIG_S3C_GPIO_PULL_DOWN */ - -#ifdef CONFIG_S5P_GPIO_DRVSTR -s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned int off; - void __iomem *reg; - int shift; - u32 drvstr; - - if (!chip) - return -EINVAL; - - off = pin - chip->chip.base; - shift = off * 2; - reg = chip->base + 0x0C; - - drvstr = __raw_readl(reg); - drvstr = drvstr >> shift; - drvstr &= 0x3; - - return (__force s5p_gpio_drvstr_t)drvstr; -} -EXPORT_SYMBOL(s5p_gpio_get_drvstr); - -int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned int off; - void __iomem *reg; - int shift; - u32 tmp; - - if (!chip) - return -EINVAL; - - off = pin - chip->chip.base; - shift = off * 2; - reg = chip->base + 0x0C; - - tmp = __raw_readl(reg); - tmp &= ~(0x3 << shift); - tmp |= drvstr << shift; - - __raw_writel(tmp, reg); - - return 0; -} -EXPORT_SYMBOL(s5p_gpio_set_drvstr); -#endif /* CONFIG_S5P_GPIO_DRVSTR */ diff --git a/arch/arm/plat-samsung/gpio.c b/arch/arm/plat-samsung/gpio.c deleted file mode 100644 index 7743c4b8b2f..00000000000 --- a/arch/arm/plat-samsung/gpio.c +++ /dev/null @@ -1,167 +0,0 @@ -/* linux/arch/arm/plat-s3c/gpio.c - * - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C series GPIO core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/spinlock.h> - -#include <plat/gpio-core.h> - -#ifdef CONFIG_S3C_GPIO_TRACK -struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; - -static __init void s3c_gpiolib_track(struct s3c_gpio_chip *chip) -{ - unsigned int gpn; - int i; - - gpn = chip->chip.base; - for (i = 0; i < chip->chip.ngpio; i++, gpn++) { - BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); - s3c_gpios[gpn] = chip; - } -} -#endif /* CONFIG_S3C_GPIO_TRACK */ - -/* Default routines for controlling GPIO, based on the original S3C24XX - * GPIO functions which deal with the case where each gpio bank of the - * chip is as following: - * - * base + 0x00: Control register, 2 bits per gpio - * gpio n: 2 bits starting at (2*n) - * 00 = input, 01 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n -*/ - -static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long con; - - s3c_gpio_lock(ourchip, flags); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - - __raw_writel(con, base + 0x00); - - s3c_gpio_unlock(ourchip, flags); - return 0; -} - -static int s3c_gpiolib_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - s3c_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - con |= 1 << (offset * 2); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - s3c_gpio_unlock(ourchip, flags); - return 0; -} - -static void s3c_gpiolib_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - - s3c_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - s3c_gpio_unlock(ourchip, flags); -} - -static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - unsigned long val; - - val = __raw_readl(ourchip->base + 0x04); - val >>= offset; - val &= 1; - - return val; -} - -__init void s3c_gpiolib_add(struct s3c_gpio_chip *chip) -{ - struct gpio_chip *gc = &chip->chip; - int ret; - - BUG_ON(!chip->base); - BUG_ON(!gc->label); - BUG_ON(!gc->ngpio); - - spin_lock_init(&chip->lock); - - if (!gc->direction_input) - gc->direction_input = s3c_gpiolib_input; - if (!gc->direction_output) - gc->direction_output = s3c_gpiolib_output; - if (!gc->set) - gc->set = s3c_gpiolib_set; - if (!gc->get) - gc->get = s3c_gpiolib_get; - -#ifdef CONFIG_PM - if (chip->pm != NULL) { - if (!chip->pm->save || !chip->pm->resume) - printk(KERN_ERR "gpio: %s has missing PM functions\n", - gc->label); - } else - printk(KERN_ERR "gpio: %s has no PM function\n", gc->label); -#endif - - /* gpiochip_add() prints own failure message on error. */ - ret = gpiochip_add(gc); - if (ret >= 0) - s3c_gpiolib_track(chip); -} - -int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) -{ - struct s3c_gpio_chip *s3c_chip = container_of(chip, - struct s3c_gpio_chip, chip); - - return s3c_chip->irq_base + offset; -} 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 9a4e53d5296..a181d7ce81c 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 @@ -/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h +/* linux/arch/arm/plat-samsung/include/plat/gpio-cfg-helper.h * * Copyright 2008 Openmoko, Inc. * Copyright 2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * - * S3C Platform - GPIO pin configuration helper definitions + * Samsung Platform - GPIO pin configuration helper definitions * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -24,120 +24,30 @@ * by disabling interrupts. */ -static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int config) +static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int config) { return (chip->config->set_config)(chip, off, config); } -static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip, - unsigned int off) +static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip, + unsigned int off) { return (chip->config->get_config)(chip, off); } -static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) +static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) { return (chip->config->set_pull)(chip, off, pull); } -static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, - unsigned int off) +static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip, + unsigned int off) { return chip->config->get_pull(chip, off); } -/** - * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has two bits of configuration per gpio, which have the following - * functions: - * 00 = input - * 01 = output - * 1x = special function -*/ -extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - -/** - * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg - * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the - * S3C_GPIO_SPECIAL() macro. - */ -unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off); - -/** - * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has one bit of configuration for the gpio, where setting the bit - * means the pin is in special function mode and unset means output. -*/ -extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - - -/** - * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable - * GPIO configuration value. - * - * @sa s3c_gpio_getcfg_s3c24xx - * @sa s3c_gpio_getcfg_s3c64xx_4bit - */ -extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off); - -/** - * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of functions for - * each case. -*/ -extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - - -/** - * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration - * register setting into a value the software can use, such as could be passed - * to s3c_gpio_setcfg_s3c64xx_4bit(). - * - * @sa s3c_gpio_getcfg_s3c24xx - */ -extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off); - /* Pull-{up,down} resistor controls. * * S3C2410,S3C2440 = Pull-UP, @@ -147,7 +57,7 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, */ /** - * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none. + * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none. * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @param: pull: The pull mode being requested. @@ -155,11 +65,11 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, * This is a helper function for the case where we have GPIOs with one * bit configuring the presence of a pull-up resistor. */ -extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none + * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none * @chip: The gpio chip that is being configured * @off: The offset for the GPIO being configured * @param: pull: The pull mode being requested @@ -167,11 +77,13 @@ extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, * This is a helper function for the case where we have GPIOs with one * bit configuring the presence of a pull-down resistor. */ -extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none + * samsung_gpio_setpull_upown() - Pull configuration for choice of up, + * down or none + * * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @param: pull: The pull mode being requested. @@ -183,45 +95,46 @@ extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, * 01 = Pull-up resistor connected * 10 = Pull-down resistor connected */ -extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); - +extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none + * samsung_gpio_getpull_updown() - Get configuration for choice of up, + * down or none + * * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * - * This helper function reads the state of the pull-{up,down} resistor for the - * given GPIO in the same case as s3c_gpio_setpull_upown. + * This helper function reads the state of the pull-{up,down} resistor + * for the given GPIO in the same case as samsung_gpio_setpull_upown. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_getpull_1up() - Get configuration for choice of up or none + * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-up resistor for the - * given GPIO in the same case as s3c_gpio_setpull_1up. + * given GPIO in the same case as s3c24xx_gpio_setpull_1up. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_getpull_1down() - Get configuration for choice of down or none + * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-down resistor for the - * given GPIO in the same case as s3c_gpio_setpull_1down. + * given GPIO in the same case as s3c24xx_gpio_setpull_1down. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. + * s3c2443_gpio_setpull() - Pull configuration for s3c2443. * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @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, * 10 = Pull-down resistor connected * x1 = No pull up resistor */ -extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors + * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors * @chip: The gpio chip that the GPIO pin belongs to. * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-{up,down} resistor for the - * given GPIO in the same case as s3c_gpio_setpull_upown. + * given GPIO in the same case as samsung_gpio_setpull_upown. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, +extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, unsigned int off); #endif /* __PLAT_GPIO_CFG_HELPERS_H */ - diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 1762dcb4cb9..d48245bb02b 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 @@ #ifndef __PLAT_GPIO_CFG_H #define __PLAT_GPIO_CFG_H __FILE__ -typedef unsigned int __bitwise__ s3c_gpio_pull_t; +typedef unsigned int __bitwise__ samsung_gpio_pull_t; typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; /* forward declaration if gpio-core.h hasn't been included */ -struct s3c_gpio_chip; +struct samsung_gpio_chip; /** - * struct s3c_gpio_cfg GPIO configuration + * struct samsung_gpio_cfg GPIO configuration * @cfg_eint: Configuration setting when used for external interrupt source * @get_pull: Read the current pull configuration for the GPIO * @set_pull: Set the current pull configuraiton for the GPIO @@ -44,20 +44,20 @@ struct s3c_gpio_chip; * per-bank configuration information that other systems such as the * external interrupt code will need. * - * @sa s3c_gpio_cfgpin + * @sa samsung_gpio_cfgpin * @sa s3c_gpio_getcfg * @sa s3c_gpio_setpull * @sa s3c_gpio_getpull */ -struct s3c_gpio_cfg { +struct samsung_gpio_cfg { unsigned int cfg_eint; - s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs); - int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, - s3c_gpio_pull_t pull); + samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs); + int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs, + samsung_gpio_pull_t pull); - unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); - int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, + unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs); + int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs, unsigned config); }; @@ -69,7 +69,7 @@ struct s3c_gpio_cfg { #define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1)) #define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x)) -#define s3c_gpio_is_cfg_special(_cfg) \ +#define samsung_gpio_is_cfg_special(_cfg) \ (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK) /** @@ -128,9 +128,9 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, * up or down settings, and it may be dependent on the chip that is being * used to whether the particular mode is available. */ -#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00) -#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01) -#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02) +#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00) +#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01) +#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02) /** * 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, * * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. */ -extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); +extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull); /** * 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); * * Read the pull resistor value for the specified pin. */ -extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); +extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin); /* configure `all` aspects of an gpio */ @@ -170,7 +170,7 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); * @sa s3c_gpio_cfgpin_range */ extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, - unsigned int cfg, s3c_gpio_pull_t pull); + unsigned int cfg, samsung_gpio_pull_t pull); static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size, 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 8cad4cf19c3..1fe6917f6a2 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 @@ * specific code. */ -struct s3c_gpio_chip; +struct samsung_gpio_chip; /** - * struct s3c_gpio_pm - power management (suspend/resume) information + * struct samsung_gpio_pm - power management (suspend/resume) information * @save: Routine to save the state of the GPIO block * @resume: Routine to resume the GPIO block. */ -struct s3c_gpio_pm { - void (*save)(struct s3c_gpio_chip *chip); - void (*resume)(struct s3c_gpio_chip *chip); +struct samsung_gpio_pm { + void (*save)(struct samsung_gpio_chip *chip); + void (*resume)(struct samsung_gpio_chip *chip); }; -struct s3c_gpio_cfg; +struct samsung_gpio_cfg; /** - * struct s3c_gpio_chip - wrapper for specific implementation of gpio + * struct samsung_gpio_chip - wrapper for specific implementation of gpio * @chip: The chip structure to be exported via gpiolib. * @base: The base pointer to the gpio configuration registers. * @group: The group register number for gpio interrupt support. @@ -60,10 +60,10 @@ struct s3c_gpio_cfg; * CPU cores trying to get one lock for different GPIO banks, where each * bank of GPIO has its own register space and configuration registers. */ -struct s3c_gpio_chip { +struct samsung_gpio_chip { struct gpio_chip chip; - struct s3c_gpio_cfg *config; - struct s3c_gpio_pm *pm; + struct samsung_gpio_cfg *config; + struct samsung_gpio_pm *pm; void __iomem *base; int irq_base; int group; @@ -73,58 +73,11 @@ struct s3c_gpio_chip { #endif }; -static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) +static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc) { - return container_of(gpc, struct s3c_gpio_chip, chip); + return container_of(gpc, struct samsung_gpio_chip, chip); } -/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip. - * @chip: The chip to register - * - * This is a wrapper to gpiochip_add() that takes our specific gpio chip - * information and makes the necessary alterations for the platform and - * notes the information for use with the configuration systems and any - * other parts of the system. - */ -extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip); - -/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios - * for use with the configuration calls, and other parts of the s3c gpiolib - * support code. - * - * Not all s3c support code will need this, as some configurations of cpu - * may only support one or two different configuration options and have an - * easy gpio to s3c_gpio_chip mapping function. If this is the case, then - * the machine support file should provide its own s3c_gpiolib_getchip() - * and any other necessary functions. - */ - -/** - * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of function - * (samsung_gpiolib_add_4bit2_chips)for each case. - */ -extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip, - int nr_chips); -extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip, - int nr_chips); -extern void samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip, - int nr_chips); - -extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip); -extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip); - - /** * samsung_gpiolib_to_irq - convert gpio pin to irq number * @chip: The gpio chip that the pin belongs to. @@ -136,36 +89,36 @@ extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip); extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset); /* exported for core SoC support to change */ -extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default; +extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default; #ifdef CONFIG_S3C_GPIO_TRACK -extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; +extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; -static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) +static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip) { return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL; } #else -/* machine specific code should provide s3c_gpiolib_getchip */ +/* machine specific code should provide samsung_gpiolib_getchip */ #include <mach/gpio-track.h> -static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } +static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { } #endif #ifdef CONFIG_PM -extern struct s3c_gpio_pm s3c_gpio_pm_1bit; -extern struct s3c_gpio_pm s3c_gpio_pm_2bit; -extern struct s3c_gpio_pm s3c_gpio_pm_4bit; +extern struct samsung_gpio_pm samsung_gpio_pm_1bit; +extern struct samsung_gpio_pm samsung_gpio_pm_2bit; +extern struct samsung_gpio_pm samsung_gpio_pm_4bit; #define __gpio_pm(x) x #else -#define s3c_gpio_pm_1bit NULL -#define s3c_gpio_pm_2bit NULL -#define s3c_gpio_pm_4bit NULL +#define samsung_gpio_pm_1bit NULL +#define samsung_gpio_pm_2bit NULL +#define samsung_gpio_pm_4bit NULL #define __gpio_pm(x) NULL #endif /* CONFIG_PM */ /* locking wrappers to deal with multiple access to the same gpio bank */ -#define s3c_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) -#define s3c_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) +#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) +#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 00000000000..bab13920176 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/gpio-fns.h @@ -0,0 +1,98 @@ +/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h + * + * Copyright (c) 2003-2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - hardware + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_GPIO_FNS_H +#define __MACH_GPIO_FNS_H __FILE__ + +/* These functions are in the to-be-removed category and it is strongly + * encouraged not to use these in new code. They will be marked deprecated + * very soon. + * + * Most of the functionality can be either replaced by the gpiocfg calls + * for the s3c platform or by the generic GPIOlib API. + * + * As of 2.6.35-rc, these will be removed, with the few drivers using them + * either replaced or given a wrapper until the calls can be removed. +*/ + +#include <plat/gpio-cfg.h> + +static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) +{ + /* 1:1 mapping between cfgpin and setcfg calls at the moment */ + s3c_gpio_cfgpin(pin, cfg); +} + +/* external functions for GPIO support + * + * These allow various different clients to access the same GPIO + * registers without conflicting. If your driver only owns the entire + * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. +*/ + +extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); + +/* s3c2410_gpio_getirq + * + * turn the given pin number into the corresponding IRQ number + * + * returns: + * < 0 = no interrupt for this pin + * >=0 = interrupt number for the pin +*/ + +extern int s3c2410_gpio_getirq(unsigned int pin); + +/* s3c2410_gpio_irqfilter + * + * set the irq filtering on the given pin + * + * on = 0 => disable filtering + * 1 => enable filtering + * + * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with + * width of filter (0 through 63) + * + * +*/ + +extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, + unsigned int config); + +/* s3c2410_gpio_pullup + * + * This call should be replaced with s3c_gpio_setpull(). + * + * As a note, there is currently no distinction between pull-up and pull-down + * in the s3c24xx series devices with only an on/off configuration. + */ + +/* s3c2410_gpio_pullup + * + * configure the pull-up control on the given pin + * + * to = 1 => disable the pull-up + * 0 => enable the pull-up + * + * eg; + * + * s3c2410_gpio_pullup(S3C2410_GPB(0), 0); + * s3c2410_gpio_pullup(S3C2410_GPE(8), 0); +*/ + +extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); + +extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); + +extern unsigned int s3c2410_gpio_getpin(unsigned int pin); + +#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 f6749916d19..dcf68709f9c 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); extern void s3c_pm_configure_extint(void); /** - * s3c_pm_restore_gpios() - restore the state of the gpios after sleep. + * samsung_pm_restore_gpios() - restore the state of the gpios after sleep. * * Restore the state of the GPIO pins after sleep, which may involve ensuring * that we do not glitch the state of the pins from that the bootloader's * resume code has done. */ -extern void s3c_pm_restore_gpios(void); +extern void samsung_pm_restore_gpios(void); /** - * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. + * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. * - * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios(). + * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios(). */ -extern void s3c_pm_save_gpios(void); +extern void samsung_pm_save_gpios(void); extern void s3c_pm_save_core(void); extern 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 96528200eb7..4be016eaa6d 100644 --- a/arch/arm/plat-samsung/pm-gpio.c +++ b/arch/arm/plat-samsung/pm-gpio.c @@ -28,13 +28,13 @@ #define OFFS_DAT (0x04) #define OFFS_UP (0x08) -static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_1bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); } -static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_1bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon = __raw_readl(base + OFFS_CON); @@ -60,12 +60,12 @@ static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_1bit = { - .save = s3c_gpio_pm_1bit_save, - .resume = s3c_gpio_pm_1bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_1bit = { + .save = samsung_gpio_pm_1bit_save, + .resume = samsung_gpio_pm_1bit_resume, }; -static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_2bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); @@ -95,7 +95,7 @@ static inline int is_out(unsigned long con) } /** - * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank + * samsung_gpio_pm_2bit_resume() - restore the given GPIO bank * @chip: The chip information to resume. * * 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) * [1] this assumes that writing to a pin DAT whilst in SFN will set the * state for when it is next output. */ -static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_2bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon = __raw_readl(base + OFFS_CON); @@ -187,13 +187,13 @@ static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_2bit = { - .save = s3c_gpio_pm_2bit_save, - .resume = s3c_gpio_pm_2bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_2bit = { + .save = samsung_gpio_pm_2bit_save, + .resume = samsung_gpio_pm_2bit_resume, }; #if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P) -static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON); 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) chip->pm_save[0] = __raw_readl(chip->base - 4); } -static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) +static u32 samsung_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) { u32 old, new, mask; u32 change_mask = 0x0; @@ -242,14 +242,14 @@ static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) return change_mask; } -static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) +static void samsung_gpio_pm_4bit_con(struct samsung_gpio_chip *chip, int index) { void __iomem *con = chip->base + (index * 4); u32 old_gpcon = __raw_readl(con); u32 gps_gpcon = chip->pm_save[index + 1]; u32 gpcon, mask; - mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); + mask = samsung_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); gpcon = old_gpcon & ~mask; gpcon |= gps_gpcon & mask; @@ -257,7 +257,7 @@ static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) __raw_writel(gpcon, con); } -static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_4bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon[2]; @@ -269,10 +269,10 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) old_gpcon[0] = 0; old_gpcon[1] = __raw_readl(base + OFFS_CON); - s3c_gpio_pm_4bit_con(chip, 0); + samsung_gpio_pm_4bit_con(chip, 0); if (chip->chip.ngpio > 8) { old_gpcon[0] = __raw_readl(base - 4); - s3c_gpio_pm_4bit_con(chip, -1); + samsung_gpio_pm_4bit_con(chip, -1); } /* Now change the configurations that require DAT,CON */ @@ -298,19 +298,19 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_4bit = { - .save = s3c_gpio_pm_4bit_save, - .resume = s3c_gpio_pm_4bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_4bit = { + .save = samsung_gpio_pm_4bit_save, + .resume = samsung_gpio_pm_4bit_resume, }; #endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */ /** - * s3c_pm_save_gpio() - save gpio chip data for suspend + * samsung_pm_save_gpio() - save gpio chip data for suspend * @ourchip: The chip for suspend. */ -static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip) +static void samsung_pm_save_gpio(struct samsung_gpio_chip *ourchip) { - struct s3c_gpio_pm *pm = ourchip->pm; + struct samsung_gpio_pm *pm = ourchip->pm; if (pm == NULL || pm->save == NULL) 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) } /** - * s3c_pm_save_gpios() - Save the state of the GPIO banks. + * samsung_pm_save_gpios() - Save the state of the GPIO banks. * * For all the GPIO banks, save the state of each one ready for going * into a suspend mode. */ -void s3c_pm_save_gpios(void) +void samsung_pm_save_gpios(void) { - struct s3c_gpio_chip *ourchip; + struct samsung_gpio_chip *ourchip; unsigned int gpio_nr; for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { - ourchip = s3c_gpiolib_getchip(gpio_nr); + ourchip = samsung_gpiolib_getchip(gpio_nr); if (!ourchip) { gpio_nr++; continue; } - s3c_pm_save_gpio(ourchip); + samsung_pm_save_gpio(ourchip); S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n", ourchip->chip.label, @@ -351,12 +351,12 @@ void s3c_pm_save_gpios(void) } /** - * s3c_pm_resume_gpio() - restore gpio chip data after suspend + * samsung_pm_resume_gpio() - restore gpio chip data after suspend * @ourchip: The suspended chip. */ -static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip) +static void samsung_pm_resume_gpio(struct samsung_gpio_chip *ourchip) { - struct s3c_gpio_pm *pm = ourchip->pm; + struct samsung_gpio_pm *pm = ourchip->pm; if (pm == NULL || pm->resume == NULL) 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) pm->resume(ourchip); } -void s3c_pm_restore_gpios(void) +void samsung_pm_restore_gpios(void) { - struct s3c_gpio_chip *ourchip; + struct samsung_gpio_chip *ourchip; unsigned int gpio_nr; for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { - ourchip = s3c_gpiolib_getchip(gpio_nr); + ourchip = samsung_gpiolib_getchip(gpio_nr); if (!ourchip) { gpio_nr++; continue; } - s3c_pm_resume_gpio(ourchip); + samsung_pm_resume_gpio(ourchip); gpio_nr += ourchip->chip.ngpio; gpio_nr += CONFIG_S3C_GPIO_SPACE; diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index ae6f99834cd..64ab65f0fdb 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) /* save all necessary core registers not covered by the drivers */ - s3c_pm_save_gpios(); - s3c_pm_saved_gpios(); + samsung_pm_save_gpios(); + samsung_pm_saved_gpios(); s3c_pm_save_uarts(); s3c_pm_save_core(); @@ -306,7 +306,7 @@ static int s3c_pm_enter(suspend_state_t state) s3c_pm_restore_core(); s3c_pm_restore_uarts(); - s3c_pm_restore_gpios(); + samsung_pm_restore_gpios(); s3c_pm_restored_gpios(); s3c_pm_debug_init(); diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d539efd96d4..ca44d2cceb0 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -95,10 +95,6 @@ config GPIO_EP93XX depends on ARCH_EP93XX select GPIO_GENERIC -config GPIO_EXYNOS4 - def_bool y - depends on CPU_EXYNOS4210 - config GPIO_MPC5200 def_bool y depends on PPC_MPC52xx @@ -131,18 +127,6 @@ config GPIO_MXS select GPIO_GENERIC select GENERIC_IRQ_CHIP -config GPIO_PLAT_SAMSUNG - def_bool y - depends on SAMSUNG_GPIOLIB_4BIT - -config GPIO_S5PC100 - def_bool y - depends on CPU_S5PC100 - -config GPIO_S5PV210 - def_bool y - depends on CPU_S5PV210 - config GPIO_PL061 bool "PrimeCell PL061 GPIO support" depends on ARM_AMBA diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 9588948c96f..62db458c850 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_GPIO_BT8XX) += gpio-bt8xx.o obj-$(CONFIG_GPIO_CS5535) += gpio-cs5535.o obj-$(CONFIG_GPIO_DA9052) += gpio-da9052.o obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o -obj-$(CONFIG_GPIO_EXYNOS4) += gpio-exynos4.o obj-$(CONFIG_GPIO_IT8761E) += gpio-it8761e.o obj-$(CONFIG_GPIO_JANZ_TTL) += gpio-janz-ttl.o obj-$(CONFIG_GPIO_LANGWELL) += gpio-langwell.o @@ -38,11 +37,7 @@ obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf857x.o obj-$(CONFIG_GPIO_PCH) += gpio-pch.o obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o - -obj-$(CONFIG_GPIO_PLAT_SAMSUNG) += gpio-plat-samsung.o -obj-$(CONFIG_GPIO_S5PC100) += gpio-s5pc100.o -obj-$(CONFIG_GPIO_S5PV210) += gpio-s5pv210.o - +obj-$(CONFIG_PLAT_SAMSUNG) += gpio-samsung.o obj-$(CONFIG_GPIO_SCH) += gpio-sch.o obj-$(CONFIG_GPIO_STMPE) += gpio-stmpe.o obj-$(CONFIG_GPIO_SX150X) += gpio-sx150x.o diff --git a/drivers/gpio/gpio-exynos4.c b/drivers/gpio/gpio-exynos4.c deleted file mode 100644 index d24b337cf1a..00000000000 --- a/drivers/gpio/gpio-exynos4.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * EXYNOS4 - GPIOlib support - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -int s3c_gpio_setpull_exynos4(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - if (pull == S3C_GPIO_PULL_UP) - pull = 3; - - return s3c_gpio_setpull_updown(chip, off, pull); -} - -s3c_gpio_pull_t s3c_gpio_getpull_exynos4(struct s3c_gpio_chip *chip, - unsigned int off) -{ - s3c_gpio_pull_t pull; - - pull = s3c_gpio_getpull_updown(chip, off); - if (pull == 3) - pull = S3C_GPIO_PULL_UP; - - return pull; -} - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_exynos4, - .get_pull = s3c_gpio_getpull_exynos4, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_exynos4, - .get_pull = s3c_gpio_getpull_exynos4, -}; - -/* - * Following are the gpio banks in v310. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip exynos4_gpio_part1_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPA0(0), - .ngpio = EXYNOS4_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = EXYNOS4_GPA1(0), - .ngpio = EXYNOS4_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = EXYNOS4_GPB(0), - .ngpio = EXYNOS4_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = EXYNOS4_GPC0(0), - .ngpio = EXYNOS4_GPIO_C0_NR, - .label = "GPC0", - }, - }, { - .chip = { - .base = EXYNOS4_GPC1(0), - .ngpio = EXYNOS4_GPIO_C1_NR, - .label = "GPC1", - }, - }, { - .chip = { - .base = EXYNOS4_GPD0(0), - .ngpio = EXYNOS4_GPIO_D0_NR, - .label = "GPD0", - }, - }, { - .chip = { - .base = EXYNOS4_GPD1(0), - .ngpio = EXYNOS4_GPIO_D1_NR, - .label = "GPD1", - }, - }, { - .chip = { - .base = EXYNOS4_GPE0(0), - .ngpio = EXYNOS4_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = EXYNOS4_GPE1(0), - .ngpio = EXYNOS4_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = EXYNOS4_GPE2(0), - .ngpio = EXYNOS4_GPIO_E2_NR, - .label = "GPE2", - }, - }, { - .chip = { - .base = EXYNOS4_GPE3(0), - .ngpio = EXYNOS4_GPIO_E3_NR, - .label = "GPE3", - }, - }, { - .chip = { - .base = EXYNOS4_GPE4(0), - .ngpio = EXYNOS4_GPIO_E4_NR, - .label = "GPE4", - }, - }, { - .chip = { - .base = EXYNOS4_GPF0(0), - .ngpio = EXYNOS4_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = EXYNOS4_GPF1(0), - .ngpio = EXYNOS4_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = EXYNOS4_GPF2(0), - .ngpio = EXYNOS4_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = EXYNOS4_GPF3(0), - .ngpio = EXYNOS4_GPIO_F3_NR, - .label = "GPF3", - }, - }, -}; - -static struct s3c_gpio_chip exynos4_gpio_part2_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPJ0(0), - .ngpio = EXYNOS4_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = EXYNOS4_GPJ1(0), - .ngpio = EXYNOS4_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = EXYNOS4_GPK0(0), - .ngpio = EXYNOS4_GPIO_K0_NR, - .label = "GPK0", - }, - }, { - .chip = { - .base = EXYNOS4_GPK1(0), - .ngpio = EXYNOS4_GPIO_K1_NR, - .label = "GPK1", - }, - }, { - .chip = { - .base = EXYNOS4_GPK2(0), - .ngpio = EXYNOS4_GPIO_K2_NR, - .label = "GPK2", - }, - }, { - .chip = { - .base = EXYNOS4_GPK3(0), - .ngpio = EXYNOS4_GPIO_K3_NR, - .label = "GPK3", - }, - }, { - .chip = { - .base = EXYNOS4_GPL0(0), - .ngpio = EXYNOS4_GPIO_L0_NR, - .label = "GPL0", - }, - }, { - .chip = { - .base = EXYNOS4_GPL1(0), - .ngpio = EXYNOS4_GPIO_L1_NR, - .label = "GPL1", - }, - }, { - .chip = { - .base = EXYNOS4_GPL2(0), - .ngpio = EXYNOS4_GPIO_L2_NR, - .label = "GPL2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY0(0), - .ngpio = EXYNOS4_GPIO_Y0_NR, - .label = "GPY0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY1(0), - .ngpio = EXYNOS4_GPIO_Y1_NR, - .label = "GPY1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY2(0), - .ngpio = EXYNOS4_GPIO_Y2_NR, - .label = "GPY2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY3(0), - .ngpio = EXYNOS4_GPIO_Y3_NR, - .label = "GPY3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY4(0), - .ngpio = EXYNOS4_GPIO_Y4_NR, - .label = "GPY4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY5(0), - .ngpio = EXYNOS4_GPIO_Y5_NR, - .label = "GPY5", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY6(0), - .ngpio = EXYNOS4_GPIO_Y6_NR, - .label = "GPY6", - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC00), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = EXYNOS4_GPX0(0), - .ngpio = EXYNOS4_GPIO_X0_NR, - .label = "GPX0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC20), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = EXYNOS4_GPX1(0), - .ngpio = EXYNOS4_GPIO_X1_NR, - .label = "GPX1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC40), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = EXYNOS4_GPX2(0), - .ngpio = EXYNOS4_GPIO_X2_NR, - .label = "GPX2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC60), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = EXYNOS4_GPX3(0), - .ngpio = EXYNOS4_GPIO_X3_NR, - .label = "GPX3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static struct s3c_gpio_chip exynos4_gpio_part3_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPZ(0), - .ngpio = EXYNOS4_GPIO_Z_NR, - .label = "GPZ", - }, - }, -}; - -static __init int exynos4_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip; - int i; - int group = 0; - int nr_chips; - - /* GPIO part 1 */ - - chip = exynos4_gpio_part1_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part1_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO1 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part1_4bit, nr_chips); - - /* GPIO part 2 */ - - chip = exynos4_gpio_part2_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part2_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO2 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part2_4bit, nr_chips); - - /* GPIO part 3 */ - - chip = exynos4_gpio_part3_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part3_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO3 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part3_4bit, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); - s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); - - return 0; -} -core_initcall(exynos4_gpiolib_init); diff --git a/drivers/gpio/gpio-plat-samsung.c b/drivers/gpio/gpio-plat-samsung.c deleted file mode 100644 index ef67f1952a7..00000000000 --- a/drivers/gpio/gpio-plat-samsung.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * Copyright (c) 2009 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * SAMSUNG - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -#ifndef DEBUG_GPIO -#define gpio_dbg(x...) do { } while (0) -#else -#define gpio_dbg(x...) printk(KERN_DEBUG x) -#endif - -/* The samsung_gpiolib_4bit routines are to control the gpio banks where - * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the - * following example: - * - * base + 0x00: Control register, 4 bits per gpio - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n - * - * Note, since the data register is one bit per gpio and is at base + 0x4 - * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of - * the output. -*/ - -static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - - con = __raw_readl(base + GPIOCON_OFF); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, base + GPIOCON_OFF); - - gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - unsigned long dat; - - con = __raw_readl(base + GPIOCON_OFF); - con &= ~(0xf << con_4bit_shift(offset)); - con |= 0x1 << con_4bit_shift(offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, base + GPIOCON_OFF); - __raw_writel(dat, base + GPIODAT_OFF); - - gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -/* The next set of routines are for the case where the GPIO configuration - * registers are 4 bits per GPIO but there is more than one register (the - * bank has more than 8 GPIOs. - * - * This case is the similar to the 4 bit case, but the registers are as - * follows: - * - * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x08: Data register, 1 bit per gpio - * bit n: data bit n - * - * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we - * store the 'base + 0x4' address so that these routines see the data - * register at ourchip->base + 0x04. - */ - -static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - - if (offset > 7) - offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, regcon); - - gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - unsigned long dat; - unsigned con_offset = offset; - - if (con_offset > 7) - con_offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(con_offset)); - con |= 0x1 << con_4bit_shift(con_offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, regcon); - __raw_writel(dat, base + GPIODAT_OFF); - - gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -void __init samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip) -{ - chip->chip.direction_input = samsung_gpiolib_4bit_input; - chip->chip.direction_output = samsung_gpiolib_4bit_output; - chip->pm = __gpio_pm(&s3c_gpio_pm_4bit); -} - -void __init samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip) -{ - chip->chip.direction_input = samsung_gpiolib_4bit2_input; - chip->chip.direction_output = samsung_gpiolib_4bit2_output; - chip->pm = __gpio_pm(&s3c_gpio_pm_4bit); -} - -void __init samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - samsung_gpiolib_add_4bit(chip); - s3c_gpiolib_add(chip); - } -} - -void __init samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - samsung_gpiolib_add_4bit2(chip); - s3c_gpiolib_add(chip); - } -} - -void __init samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) - s3c_gpiolib_add(chip); -} diff --git a/drivers/gpio/gpio-s5pc100.c b/drivers/gpio/gpio-s5pc100.c deleted file mode 100644 index 7f87b0c76e0..00000000000 --- a/drivers/gpio/gpio-s5pc100.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * S5PC100 - GPIOlib support - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Copyright 2009 Samsung Electronics Co - * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> -#include <mach/regs-gpio.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -/* S5PC100 GPIO bank summary: - * - * Bank GPIOs Style INT Type - * A0 8 4Bit GPIO_INT0 - * A1 5 4Bit GPIO_INT1 - * B 8 4Bit GPIO_INT2 - * C 5 4Bit GPIO_INT3 - * D 7 4Bit GPIO_INT4 - * E0 8 4Bit GPIO_INT5 - * E1 6 4Bit GPIO_INT6 - * F0 8 4Bit GPIO_INT7 - * F1 8 4Bit GPIO_INT8 - * F2 8 4Bit GPIO_INT9 - * F3 4 4Bit GPIO_INT10 - * G0 8 4Bit GPIO_INT11 - * G1 3 4Bit GPIO_INT12 - * G2 7 4Bit GPIO_INT13 - * G3 7 4Bit GPIO_INT14 - * H0 8 4Bit WKUP_INT - * H1 8 4Bit WKUP_INT - * H2 8 4Bit WKUP_INT - * H3 8 4Bit WKUP_INT - * I 8 4Bit GPIO_INT15 - * J0 8 4Bit GPIO_INT16 - * J1 5 4Bit GPIO_INT17 - * J2 8 4Bit GPIO_INT18 - * J3 8 4Bit GPIO_INT19 - * J4 4 4Bit GPIO_INT20 - * K0 8 4Bit None - * K1 6 4Bit None - * K2 8 4Bit None - * K3 8 4Bit None - * L0 8 4Bit None - * L1 8 4Bit None - * L2 8 4Bit None - * L3 8 4Bit None - */ - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_eint = { - .cfg_eint = 0xf, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -/* - * GPIO bank's base address given the index of the bank in the - * list of all gpio banks. - */ -#define S5PC100_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20)) - -/* - * Following are the gpio banks in S5PC100. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip s5pc100_gpio_chips[] = { - { - .chip = { - .base = S5PC100_GPA0(0), - .ngpio = S5PC100_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = S5PC100_GPA1(0), - .ngpio = S5PC100_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = S5PC100_GPB(0), - .ngpio = S5PC100_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = S5PC100_GPC(0), - .ngpio = S5PC100_GPIO_C_NR, - .label = "GPC", - }, - }, { - .chip = { - .base = S5PC100_GPD(0), - .ngpio = S5PC100_GPIO_D_NR, - .label = "GPD", - }, - }, { - .chip = { - .base = S5PC100_GPE0(0), - .ngpio = S5PC100_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = S5PC100_GPE1(0), - .ngpio = S5PC100_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = S5PC100_GPF0(0), - .ngpio = S5PC100_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = S5PC100_GPF1(0), - .ngpio = S5PC100_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = S5PC100_GPF2(0), - .ngpio = S5PC100_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = S5PC100_GPF3(0), - .ngpio = S5PC100_GPIO_F3_NR, - .label = "GPF3", - }, - }, { - .chip = { - .base = S5PC100_GPG0(0), - .ngpio = S5PC100_GPIO_G0_NR, - .label = "GPG0", - }, - }, { - .chip = { - .base = S5PC100_GPG1(0), - .ngpio = S5PC100_GPIO_G1_NR, - .label = "GPG1", - }, - }, { - .chip = { - .base = S5PC100_GPG2(0), - .ngpio = S5PC100_GPIO_G2_NR, - .label = "GPG2", - }, - }, { - .chip = { - .base = S5PC100_GPG3(0), - .ngpio = S5PC100_GPIO_G3_NR, - .label = "GPG3", - }, - }, { - .chip = { - .base = S5PC100_GPI(0), - .ngpio = S5PC100_GPIO_I_NR, - .label = "GPI", - }, - }, { - .chip = { - .base = S5PC100_GPJ0(0), - .ngpio = S5PC100_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = S5PC100_GPJ1(0), - .ngpio = S5PC100_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = S5PC100_GPJ2(0), - .ngpio = S5PC100_GPIO_J2_NR, - .label = "GPJ2", - }, - }, { - .chip = { - .base = S5PC100_GPJ3(0), - .ngpio = S5PC100_GPIO_J3_NR, - .label = "GPJ3", - }, - }, { - .chip = { - .base = S5PC100_GPJ4(0), - .ngpio = S5PC100_GPIO_J4_NR, - .label = "GPJ4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK0(0), - .ngpio = S5PC100_GPIO_K0_NR, - .label = "GPK0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK1(0), - .ngpio = S5PC100_GPIO_K1_NR, - .label = "GPK1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK2(0), - .ngpio = S5PC100_GPIO_K2_NR, - .label = "GPK2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK3(0), - .ngpio = S5PC100_GPIO_K3_NR, - .label = "GPK3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL0(0), - .ngpio = S5PC100_GPIO_L0_NR, - .label = "GPL0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL1(0), - .ngpio = S5PC100_GPIO_L1_NR, - .label = "GPL1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL2(0), - .ngpio = S5PC100_GPIO_L2_NR, - .label = "GPL2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL3(0), - .ngpio = S5PC100_GPIO_L3_NR, - .label = "GPL3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL4(0), - .ngpio = S5PC100_GPIO_L4_NR, - .label = "GPL4", - }, - }, { - .base = (S5P_VA_GPIO + 0xC00), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = S5PC100_GPH0(0), - .ngpio = S5PC100_GPIO_H0_NR, - .label = "GPH0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC20), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = S5PC100_GPH1(0), - .ngpio = S5PC100_GPIO_H1_NR, - .label = "GPH1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC40), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = S5PC100_GPH2(0), - .ngpio = S5PC100_GPIO_H2_NR, - .label = "GPH2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC60), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = S5PC100_GPH3(0), - .ngpio = S5PC100_GPIO_H3_NR, - .label = "GPH3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static __init int s5pc100_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s5pc100_gpio_chips; - int nr_chips = ARRAY_SIZE(s5pc100_gpio_chips); - int gpioint_group = 0; - int i; - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - chip->group = gpioint_group++; - } - if (chip->base == NULL) - chip->base = S5PC100_BANK_BASE(i); - } - - samsung_gpiolib_add_4bit_chips(s5pc100_gpio_chips, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); - - return 0; -} -core_initcall(s5pc100_gpiolib_init); diff --git a/drivers/gpio/gpio-s5pv210.c b/drivers/gpio/gpio-s5pv210.c deleted file mode 100644 index eb12f1602de..00000000000 --- a/drivers/gpio/gpio-s5pv210.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * S5PV210 - GPIOlib support - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/map.h> - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -/* GPIO bank's base address given the index of the bank in the - * list of all gpio banks. - */ -#define S5PV210_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20)) - -/* - * Following are the gpio banks in v210. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip s5pv210_gpio_4bit[] = { - { - .chip = { - .base = S5PV210_GPA0(0), - .ngpio = S5PV210_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = S5PV210_GPA1(0), - .ngpio = S5PV210_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = S5PV210_GPB(0), - .ngpio = S5PV210_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = S5PV210_GPC0(0), - .ngpio = S5PV210_GPIO_C0_NR, - .label = "GPC0", - }, - }, { - .chip = { - .base = S5PV210_GPC1(0), - .ngpio = S5PV210_GPIO_C1_NR, - .label = "GPC1", - }, - }, { - .chip = { - .base = S5PV210_GPD0(0), - .ngpio = S5PV210_GPIO_D0_NR, - .label = "GPD0", - }, - }, { - .chip = { - .base = S5PV210_GPD1(0), - .ngpio = S5PV210_GPIO_D1_NR, - .label = "GPD1", - }, - }, { - .chip = { - .base = S5PV210_GPE0(0), - .ngpio = S5PV210_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = S5PV210_GPE1(0), - .ngpio = S5PV210_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = S5PV210_GPF0(0), - .ngpio = S5PV210_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = S5PV210_GPF1(0), - .ngpio = S5PV210_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = S5PV210_GPF2(0), - .ngpio = S5PV210_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = S5PV210_GPF3(0), - .ngpio = S5PV210_GPIO_F3_NR, - .label = "GPF3", - }, - }, { - .chip = { - .base = S5PV210_GPG0(0), - .ngpio = S5PV210_GPIO_G0_NR, - .label = "GPG0", - }, - }, { - .chip = { - .base = S5PV210_GPG1(0), - .ngpio = S5PV210_GPIO_G1_NR, - .label = "GPG1", - }, - }, { - .chip = { - .base = S5PV210_GPG2(0), - .ngpio = S5PV210_GPIO_G2_NR, - .label = "GPG2", - }, - }, { - .chip = { - .base = S5PV210_GPG3(0), - .ngpio = S5PV210_GPIO_G3_NR, - .label = "GPG3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_GPI(0), - .ngpio = S5PV210_GPIO_I_NR, - .label = "GPI", - }, - }, { - .chip = { - .base = S5PV210_GPJ0(0), - .ngpio = S5PV210_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = S5PV210_GPJ1(0), - .ngpio = S5PV210_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = S5PV210_GPJ2(0), - .ngpio = S5PV210_GPIO_J2_NR, - .label = "GPJ2", - }, - }, { - .chip = { - .base = S5PV210_GPJ3(0), - .ngpio = S5PV210_GPIO_J3_NR, - .label = "GPJ3", - }, - }, { - .chip = { - .base = S5PV210_GPJ4(0), - .ngpio = S5PV210_GPIO_J4_NR, - .label = "GPJ4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP01(0), - .ngpio = S5PV210_GPIO_MP01_NR, - .label = "MP01", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP02(0), - .ngpio = S5PV210_GPIO_MP02_NR, - .label = "MP02", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP03(0), - .ngpio = S5PV210_GPIO_MP03_NR, - .label = "MP03", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP04(0), - .ngpio = S5PV210_GPIO_MP04_NR, - .label = "MP04", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP05(0), - .ngpio = S5PV210_GPIO_MP05_NR, - .label = "MP05", - }, - }, { - .base = (S5P_VA_GPIO + 0xC00), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = S5PV210_GPH0(0), - .ngpio = S5PV210_GPIO_H0_NR, - .label = "GPH0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC20), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = S5PV210_GPH1(0), - .ngpio = S5PV210_GPIO_H1_NR, - .label = "GPH1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC40), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = S5PV210_GPH2(0), - .ngpio = S5PV210_GPIO_H2_NR, - .label = "GPH2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC60), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = S5PV210_GPH3(0), - .ngpio = S5PV210_GPIO_H3_NR, - .label = "GPH3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static __init int s5pv210_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s5pv210_gpio_4bit; - int nr_chips = ARRAY_SIZE(s5pv210_gpio_4bit); - int gpioint_group = 0; - int i = 0; - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - chip->group = gpioint_group++; - } - if (chip->base == NULL) - chip->base = S5PV210_BANK_BASE(i); - } - - samsung_gpiolib_add_4bit_chips(s5pv210_gpio_4bit, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); - - return 0; -} -core_initcall(s5pv210_gpiolib_init); diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c new file mode 100644 index 00000000000..b6be77ae497 --- /dev/null +++ b/drivers/gpio/gpio-samsung.c @@ -0,0 +1,2688 @@ +/* + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * SAMSUNG - GPIOlib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/sysdev.h> +#include <linux/ioport.h> + +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/gpio-fns.h> +#include <plat/pm.h> + +#ifndef DEBUG_GPIO +#define gpio_dbg(x...) do { } while (0) +#else +#define gpio_dbg(x...) printk(KERN_DEBUG x) +#endif + +int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup; + + pup = __raw_readl(reg); + pup &= ~(3 << shift); + pup |= pull << shift; + __raw_writel(pup, reg); + + return 0; +} + +samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup = __raw_readl(reg); + + pup >>= shift; + pup &= 0x3; + + return (__force samsung_gpio_pull_t)pup; +} + +int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + switch (pull) { + case S3C_GPIO_PULL_NONE: + pull = 0x01; + break; + case S3C_GPIO_PULL_UP: + pull = 0x00; + break; + case S3C_GPIO_PULL_DOWN: + pull = 0x02; + break; + } + return samsung_gpio_setpull_updown(chip, off, pull); +} + +samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, + unsigned int off) +{ + samsung_gpio_pull_t pull; + + pull = samsung_gpio_getpull_updown(chip, off); + + switch (pull) { + case 0x00: + pull = S3C_GPIO_PULL_UP; + break; + case 0x01: + case 0x03: + pull = S3C_GPIO_PULL_NONE; + break; + case 0x02: + pull = S3C_GPIO_PULL_DOWN; + break; + } + + return pull; +} + +static int s3c24xx_gpio_setpull_1(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull, + samsung_gpio_pull_t updown) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + if (pull == updown) + pup &= ~(1 << off); + else if (pull == S3C_GPIO_PULL_NONE) + pup |= (1 << off); + else + return -EINVAL; + + __raw_writel(pup, reg); + return 0; +} + +static samsung_gpio_pull_t s3c24xx_gpio_getpull_1(struct samsung_gpio_chip *chip, + unsigned int off, + samsung_gpio_pull_t updown) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + pup &= (1 << off); + return pup ? S3C_GPIO_PULL_NONE : updown; +} + +samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, + unsigned int off) +{ + return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); +} + +int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); +} + +samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, + unsigned int off) +{ + return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); +} + +int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); +} + +static int exynos4_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + if (pull == S3C_GPIO_PULL_UP) + pull = 3; + + return samsung_gpio_setpull_updown(chip, off, pull); +} + +static samsung_gpio_pull_t exynos4_gpio_getpull(struct samsung_gpio_chip *chip, + unsigned int off) +{ + samsung_gpio_pull_t pull; + + pull = samsung_gpio_getpull_updown(chip, off); + + if (pull == 3) + pull = S3C_GPIO_PULL_UP; + + return pull; +} + +/* + * samsung_gpio_setcfg_2bit - Samsung 2bit style GPIO configuration. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has two bits of configuration per gpio, which have the following + * functions: + * 00 = input + * 01 = output + * 1x = special function + */ + +static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off * 2; + u32 con; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + if (cfg > 3) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x3 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * samsung_gpio_getcfg_2bit - Samsung 2bit style GPIO configuration read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of samsung_gpio_setcfg_2bit(). Will return a value whicg + * could be directly passed back to samsung_gpio_setcfg_2bit(), from the + * S3C_GPIO_SPECIAL() macro. + */ + +static unsigned int samsung_gpio_getcfg_2bit(struct samsung_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off * 2; + con &= 3; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} + +/* + * samsung_gpio_setcfg_4bit - Samsung 4bit single register GPIO config. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register has 4 bits + * of control per GPIO, generally in the form of: + * 0000 = Input + * 0001 = Output + * others = Special functions (dependent on bank) + * + * Note, since the code to deal with the case where there are two control + * registers instead of one, we do not have a separate set of functions for + * each case. + */ + +static int samsung_gpio_setcfg_4bit(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio > 8) + reg -= 4; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * samsung_gpio_getcfg_4bit - Samsung 4bit single register GPIO config read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of samsung_gpio_setcfg_4bit(), turning a gpio configuration + * register setting into a value the software can use, such as could be passed + * to samsung_gpio_setcfg_4bit(). + * + * @sa samsung_gpio_getcfg_2bit + */ + +static unsigned samsung_gpio_getcfg_4bit(struct samsung_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio > 8) + reg -= 4; + + con = __raw_readl(reg); + con >>= shift; + con &= 0xf; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} + +/* + * s3c24xx_gpio_setcfg_abank - S3C24XX style GPIO configuration (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has one bit of configuration for the gpio, where setting the bit + * means the pin is in special function mode and unset means output. + */ + +static int s3c24xx_gpio_setcfg_abank(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off; + u32 con; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + + /* Map output to 0, and SFN2 to 1 */ + cfg -= 1; + if (cfg > 1) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x1 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * s3c24xx_gpio_getcfg_abank - S3C24XX style GPIO configuration read (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of s3c24xx_gpio_setcfg_abank() turning an GPIO into a usable + * GPIO configuration value. + * + * @sa samsung_gpio_getcfg_2bit + * @sa samsung_gpio_getcfg_4bit + */ + +static unsigned s3c24xx_gpio_getcfg_abank(struct samsung_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off; + con &= 1; + con++; + + return S3C_GPIO_SFN(con); +} + +static int s5p64x0_gpio_setcfg_rbank(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift; + u32 con; + + switch (off) { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + shift = (off & 7) * 4; + reg -= 4; + break; + case 6: + shift = ((off + 1) & 7) * 4; + reg -= 4; + default: + shift = ((off + 1) & 7) * 4; + break; + } + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +static void __init samsung_gpiolib_set_cfg(struct samsung_gpio_cfg *chipcfg, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chipcfg++) { + if (!chipcfg->set_config) + chipcfg->set_config = samsung_gpio_setcfg_4bit; + if (!chipcfg->get_config) + chipcfg->get_config = samsung_gpio_getcfg_4bit; + if (!chipcfg->set_pull) + chipcfg->set_pull = samsung_gpio_setpull_updown; + if (!chipcfg->get_pull) + chipcfg->get_pull = samsung_gpio_getpull_updown; + } +} + +struct samsung_gpio_cfg s3c24xx_gpiocfg_default = { + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, +}; + +static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { + .set_config = s3c24xx_gpio_setcfg_abank, + .get_config = s3c24xx_gpio_getcfg_abank, +}; + +static struct samsung_gpio_cfg exynos4_gpio_cfg = { + .set_pull = exynos4_gpio_setpull, + .get_pull = exynos4_gpio_getpull, + .set_config = samsung_gpio_setcfg_4bit, + .get_config = samsung_gpio_getcfg_4bit, +}; + +static struct samsung_gpio_cfg s5p64x0_gpio_cfg_rbank = { + .cfg_eint = 0x3, + .set_config = s5p64x0_gpio_setcfg_rbank, + .get_config = samsung_gpio_getcfg_4bit, + .set_pull = samsung_gpio_setpull_updown, + .get_pull = samsung_gpio_getpull_updown, +}; + +static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { + { + .cfg_eint = 0x0, + }, { + .cfg_eint = 0x3, + }, { + .cfg_eint = 0x7, + }, { + .cfg_eint = 0xF, + }, { + .cfg_eint = 0x0, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .cfg_eint = 0x2, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .cfg_eint = 0x3, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, +}; + +/* + * Default routines for controlling GPIO, based on the original S3C24XX + * GPIO functions which deal with the case where each gpio bank of the + * chip is as following: + * + * base + 0x00: Control register, 2 bits per gpio + * gpio n: 2 bits starting at (2*n) + * 00 = input, 01 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n +*/ + +static int samsung_gpiolib_2bit_input(struct gpio_chip *chip, unsigned offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long con; + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + + __raw_writel(con, base + 0x00); + + samsung_gpio_unlock(ourchip, flags); + return 0; +} + +static int samsung_gpiolib_2bit_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + unsigned long con; + + samsung_gpio_lock(ourchip, flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + con |= 1 << (offset * 2); + + __raw_writel(con, base + 0x00); + __raw_writel(dat, base + 0x04); + + samsung_gpio_unlock(ourchip, flags); + return 0; +} + +/* + * The samsung_gpiolib_4bit routines are to control the gpio banks where + * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the + * following example: + * + * base + 0x00: Control register, 4 bits per gpio + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n + * + * Note, since the data register is one bit per gpio and is at base + 0x4 + * we can use samsung_gpiolib_get and samsung_gpiolib_set to change the + * state of the output. + */ + +static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + + con = __raw_readl(base + GPIOCON_OFF); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, base + GPIOCON_OFF); + + gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); + + return 0; +} + +static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + unsigned long dat; + + con = __raw_readl(base + GPIOCON_OFF); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + GPIODAT_OFF); + + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + GPIODAT_OFF); + __raw_writel(con, base + GPIOCON_OFF); + __raw_writel(dat, base + GPIODAT_OFF); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +/* + * The next set of routines are for the case where the GPIO configuration + * registers are 4 bits per GPIO but there is more than one register (the + * bank has more than 8 GPIOs. + * + * This case is the similar to the 4 bit case, but the registers are as + * follows: + * + * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x08: Data register, 1 bit per gpio + * bit n: data bit n + * + * To allow us to use the samsung_gpiolib_get and samsung_gpiolib_set + * routines we store the 'base + 0x4' address so that these routines see + * the data register at ourchip->base + 0x04. + */ + +static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); + + return 0; +} + +static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + unsigned con_offset = offset; + + if (con_offset > 7) + con_offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(con_offset)); + con |= 0x1 << con_4bit_shift(con_offset); + + dat = __raw_readl(base + GPIODAT_OFF); + + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + GPIODAT_OFF); + __raw_writel(con, regcon); + __raw_writel(dat, base + GPIODAT_OFF); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +/* The next set of routines are for the case of s3c24xx bank a */ + +static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) +{ + return -EINVAL; +} + +static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + unsigned long con; + + local_irq_save(flags); + + con = __raw_readl(base + 0x00); + dat = __raw_readl(base + 0x04); + + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + + __raw_writel(dat, base + 0x04); + + con &= ~(1 << offset); + + __raw_writel(con, base + 0x00); + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); + return 0; +} + +/* The next set of routines are for the case of s5p64x0 bank r */ + +static int s5p64x0_gpiolib_rbank_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long flags; + + switch (offset) { + case 6: + offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + offset -= 7; + break; + } + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + samsung_gpio_unlock(ourchip, flags); + + return 0; +} + +static int s5p64x0_gpiolib_rbank_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + unsigned long flags; + unsigned con_offset = offset; + + switch (con_offset) { + case 6: + con_offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + con_offset -= 7; + break; + } + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(con_offset)); + con |= 0x1 << con_4bit_shift(con_offset); + + dat = __raw_readl(base + GPIODAT_OFF); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(con, regcon); + __raw_writel(dat, base + GPIODAT_OFF); + + samsung_gpio_unlock(ourchip, flags); + + return 0; +} + +static void samsung_gpiolib_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + + samsung_gpio_lock(ourchip, flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + samsung_gpio_unlock(ourchip, flags); +} + +static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + unsigned long val; + + val = __raw_readl(ourchip->base + 0x04); + val >>= offset; + val &= 1; + + return val; +} + +/* + * CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios + * for use with the configuration calls, and other parts of the s3c gpiolib + * support code. + * + * Not all s3c support code will need this, as some configurations of cpu + * may only support one or two different configuration options and have an + * easy gpio to samsung_gpio_chip mapping function. If this is the case, then + * the machine support file should provide its own samsung_gpiolib_getchip() + * and any other necessary functions. + */ + +#ifdef CONFIG_S3C_GPIO_TRACK +struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; + +static __init void s3c_gpiolib_track(struct samsung_gpio_chip *chip) +{ + unsigned int gpn; + int i; + + gpn = chip->chip.base; + for (i = 0; i < chip->chip.ngpio; i++, gpn++) { + BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); + s3c_gpios[gpn] = chip; + } +} +#endif /* CONFIG_S3C_GPIO_TRACK */ + +/* + * samsung_gpiolib_add() - add the Samsung gpio_chip. + * @chip: The chip to register + * + * This is a wrapper to gpiochip_add() that takes our specific gpio chip + * information and makes the necessary alterations for the platform and + * notes the information for use with the configuration systems and any + * other parts of the system. + */ + +static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip) +{ + struct gpio_chip *gc = &chip->chip; + int ret; + + BUG_ON(!chip->base); + BUG_ON(!gc->label); + BUG_ON(!gc->ngpio); + + spin_lock_init(&chip->lock); + + if (!gc->direction_input) + gc->direction_input = samsung_gpiolib_2bit_input; + if (!gc->direction_output) + gc->direction_output = samsung_gpiolib_2bit_output; + if (!gc->set) + gc->set = samsung_gpiolib_set; + if (!gc->get) + gc->get = samsung_gpiolib_get; + +#ifdef CONFIG_PM + if (chip->pm != NULL) { + if (!chip->pm->save || !chip->pm->resume) + printk(KERN_ERR "gpio: %s has missing PM functions\n", + gc->label); + } else + printk(KERN_ERR "gpio: %s has no PM function\n", gc->label); +#endif + + /* gpiochip_add() prints own failure message on error. */ + ret = gpiochip_add(gc); + if (ret >= 0) + s3c_gpiolib_track(chip); +} + +static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base) +{ + int i; + struct gpio_chip *gc = &chip->chip; + + for (i = 0 ; i < nr_chips; i++, chip++) { + if (!chip->config) + chip->config = &s3c24xx_gpiocfg_default; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * 0x10); + + if (!gc->direction_input) + gc->direction_input = samsung_gpiolib_2bit_input; + if (!gc->direction_output) + gc->direction_output = samsung_gpiolib_2bit_output; + + samsung_gpiolib_add(chip); + } +} + +static void __init samsung_gpiolib_add_2bit_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base, + unsigned int offset) +{ + int i; + + for (i = 0 ; i < nr_chips; i++, chip++) { + chip->chip.direction_input = samsung_gpiolib_2bit_input; + chip->chip.direction_output = samsung_gpiolib_2bit_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[7]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * offset); + + samsung_gpiolib_add(chip); + } +} + +/* + * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. + * @chip: The gpio chip that is being configured. + * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. + * + * This helper deal with the GPIO cases where the control register has 4 bits + * of control per GPIO, generally in the form of: + * 0000 = Input + * 0001 = Output + * others = Special functions (dependent on bank) + * + * Note, since the code to deal with the case where there are two control + * registers instead of one, we do not have a separate set of function + * (samsung_gpiolib_add_4bit2_chips)for each case. + */ + +static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base) +{ + int i; + + for (i = 0 ; i < nr_chips; i++, chip++) { + chip->chip.direction_input = samsung_gpiolib_4bit_input; + chip->chip.direction_output = samsung_gpiolib_4bit_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[2]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * 0x20); + + samsung_gpiolib_add(chip); + } +} + +static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chip, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chip++) { + chip->chip.direction_input = samsung_gpiolib_4bit2_input; + chip->chip.direction_output = samsung_gpiolib_4bit2_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[2]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + + samsung_gpiolib_add(chip); + } +} + +static void __init s5p64x0_gpiolib_add_rbank(struct samsung_gpio_chip *chip, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chip++) { + chip->chip.direction_input = s5p64x0_gpiolib_rbank_input; + chip->chip.direction_output = s5p64x0_gpiolib_rbank_output; + + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + + samsung_gpiolib_add(chip); + } +} + +int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) +{ + struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip); + + return samsung_chip->irq_base + offset; +} + +#ifdef CONFIG_PLAT_S3C24XX +static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) +{ + if (offset < 4) + return IRQ_EINT0 + offset; + + if (offset < 8) + return IRQ_EINT4 + offset - 4; + + return -EINVAL; +} +#endif + +#ifdef CONFIG_PLAT_S3C64XX +static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) +{ + return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; +} + +static int s3c64xx_gpiolib_lbank_to_irq(struct gpio_chip *chip, unsigned pin) +{ + return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; +} +#endif + +struct samsung_gpio_chip s3c24xx_gpios[] = { +#ifdef CONFIG_PLAT_S3C24XX + { + .config = &s3c24xx_gpiocfg_banka, + .chip = { + .base = S3C2410_GPA(0), + .owner = THIS_MODULE, + .label = "GPIOA", + .ngpio = 24, + .direction_input = s3c24xx_gpiolib_banka_input, + .direction_output = s3c24xx_gpiolib_banka_output, + }, + }, { + .chip = { + .base = S3C2410_GPB(0), + .owner = THIS_MODULE, + .label = "GPIOB", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPC(0), + .owner = THIS_MODULE, + .label = "GPIOC", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPD(0), + .owner = THIS_MODULE, + .label = "GPIOD", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPE(0), + .label = "GPIOE", + .owner = THIS_MODULE, + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPF(0), + .owner = THIS_MODULE, + .label = "GPIOF", + .ngpio = 8, + .to_irq = s3c24xx_gpiolib_fbank_to_irq, + }, + }, { + .irq_base = IRQ_EINT8, + .chip = { + .base = S3C2410_GPG(0), + .owner = THIS_MODULE, + .label = "GPIOG", + .ngpio = 16, + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .chip = { + .base = S3C2410_GPH(0), + .owner = THIS_MODULE, + .label = "GPIOH", + .ngpio = 11, + }, + }, + /* GPIOS for the S3C2443 and later devices. */ + { + .base = S3C2440_GPJCON, + .chip = { + .base = S3C2410_GPJ(0), + .owner = THIS_MODULE, + .label = "GPIOJ", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPKCON, + .chip = { + .base = S3C2410_GPK(0), + .owner = THIS_MODULE, + .label = "GPIOK", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPLCON, + .chip = { + .base = S3C2410_GPL(0), + .owner = THIS_MODULE, + .label = "GPIOL", + .ngpio = 15, + }, + }, { + .base = S3C2443_GPMCON, + .chip = { + .base = S3C2410_GPM(0), + .owner = THIS_MODULE, + .label = "GPIOM", + .ngpio = 2, + }, + }, +#endif +}; + +/* + * GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 8 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 5 4Bit Yes 3 + * E 5 4Bit Yes None + * F 16 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 16 4Bit[2] No None + * L 15 4Bit[2] No None + * M 6 4Bit No IRQ_EINT + * N 16 2Bit No IRQ_EINT + * O 16 2Bit Yes 7 + * P 15 2Bit Yes 8 + * Q 9 2Bit Yes 9 + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .chip = { + .base = S3C64XX_GPA(0), + .ngpio = S3C64XX_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S3C64XX_GPB(0), + .ngpio = S3C64XX_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S3C64XX_GPC(0), + .ngpio = S3C64XX_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S3C64XX_GPD(0), + .ngpio = S3C64XX_GPIO_D_NR, + .label = "GPD", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = S3C64XX_GPE(0), + .ngpio = S3C64XX_GPIO_E_NR, + .label = "GPE", + }, + }, { + .base = S3C64XX_GPG_BASE, + .chip = { + .base = S3C64XX_GPG(0), + .ngpio = S3C64XX_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S3C64XX_GPM_BASE, + .config = &samsung_gpio_cfgs[1], + .chip = { + .base = S3C64XX_GPM(0), + .ngpio = S3C64XX_GPIO_M_NR, + .label = "GPM", + .to_irq = s3c64xx_gpiolib_mbank_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .base = S3C64XX_GPH_BASE + 0x4, + .chip = { + .base = S3C64XX_GPH(0), + .ngpio = S3C64XX_GPIO_H_NR, + .label = "GPH", + }, + }, { + .base = S3C64XX_GPK_BASE + 0x4, + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = S3C64XX_GPK(0), + .ngpio = S3C64XX_GPIO_K_NR, + .label = "GPK", + }, + }, { + .base = S3C64XX_GPL_BASE + 0x4, + .config = &samsung_gpio_cfgs[1], + .chip = { + .base = S3C64XX_GPL(0), + .ngpio = S3C64XX_GPIO_L_NR, + .label = "GPL", + .to_irq = s3c64xx_gpiolib_lbank_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .base = S3C64XX_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPF(0), + .ngpio = S3C64XX_GPIO_F_NR, + .label = "GPF", + }, + }, { + .config = &samsung_gpio_cfgs[7], + .chip = { + .base = S3C64XX_GPI(0), + .ngpio = S3C64XX_GPIO_I_NR, + .label = "GPI", + }, + }, { + .config = &samsung_gpio_cfgs[7], + .chip = { + .base = S3C64XX_GPJ(0), + .ngpio = S3C64XX_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPO(0), + .ngpio = S3C64XX_GPIO_O_NR, + .label = "GPO", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPP(0), + .ngpio = S3C64XX_GPIO_P_NR, + .label = "GPP", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPQ(0), + .ngpio = S3C64XX_GPIO_Q_NR, + .label = "GPQ", + }, + }, { + .base = S3C64XX_GPN_BASE, + .irq_base = IRQ_EINT(0), + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S3C64XX_GPN(0), + .ngpio = S3C64XX_GPIO_N_NR, + .label = "GPN", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * S5P6440 GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 6 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * F 2 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * N 16 2Bit No IRQ_EINT + * P 8 2Bit Yes 8 + * R 15 4Bit[2] Yes 8 + */ + +static struct samsung_gpio_chip s5p6440_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .chip = { + .base = S5P6440_GPA(0), + .ngpio = S5P6440_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S5P6440_GPB(0), + .ngpio = S5P6440_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5P6440_GPC(0), + .ngpio = S5P6440_GPIO_C_NR, + .label = "GPC", + }, + }, { + .base = S5P64X0_GPG_BASE, + .chip = { + .base = S5P6440_GPG(0), + .ngpio = S5P6440_GPIO_G_NR, + .label = "GPG", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_4bit2[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPH_BASE + 0x4, + .chip = { + .base = S5P6440_GPH(0), + .ngpio = S5P6440_GPIO_H_NR, + .label = "GPH", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_rbank[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPR_BASE + 0x4, + .config = &s5p64x0_gpio_cfg_rbank, + .chip = { + .base = S5P6440_GPR(0), + .ngpio = S5P6440_GPIO_R_NR, + .label = "GPR", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_2bit[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6440_GPF(0), + .ngpio = S5P6440_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S5P64X0_GPI_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6440_GPI(0), + .ngpio = S5P6440_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S5P64X0_GPJ_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6440_GPJ(0), + .ngpio = S5P6440_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S5P64X0_GPN_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6440_GPN(0), + .ngpio = S5P6440_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S5P64X0_GPP_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6440_GPP(0), + .ngpio = S5P6440_GPIO_P_NR, + .label = "GPP", + }, + }, +#endif +}; + +/* + * S5P6450 GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 6 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 8 4Bit Yes None + * F 2 2Bit Yes None + * G 14 4Bit[2] Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 5 4Bit Yes None + * N 16 2Bit No IRQ_EINT + * P 11 2Bit Yes 8 + * Q 14 2Bit Yes None + * R 15 4Bit[2] Yes None + * S 8 2Bit Yes None + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +static struct samsung_gpio_chip s5p6450_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .chip = { + .base = S5P6450_GPA(0), + .ngpio = S5P6450_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S5P6450_GPB(0), + .ngpio = S5P6450_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5P6450_GPC(0), + .ngpio = S5P6450_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S5P6450_GPD(0), + .ngpio = S5P6450_GPIO_D_NR, + .label = "GPD", + }, + }, { + .base = S5P6450_GPK_BASE, + .chip = { + .base = S5P6450_GPK(0), + .ngpio = S5P6450_GPIO_K_NR, + .label = "GPK", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_4bit2[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPG_BASE + 0x4, + .chip = { + .base = S5P6450_GPG(0), + .ngpio = S5P6450_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S5P64X0_GPH_BASE + 0x4, + .chip = { + .base = S5P6450_GPH(0), + .ngpio = S5P6450_GPIO_H_NR, + .label = "GPH", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_rbank[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPR_BASE + 0x4, + .config = &s5p64x0_gpio_cfg_rbank, + .chip = { + .base = S5P6450_GPR(0), + .ngpio = S5P6450_GPIO_R_NR, + .label = "GPR", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_2bit[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPF(0), + .ngpio = S5P6450_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S5P64X0_GPI_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6450_GPI(0), + .ngpio = S5P6450_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S5P64X0_GPJ_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6450_GPJ(0), + .ngpio = S5P6450_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S5P64X0_GPN_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6450_GPN(0), + .ngpio = S5P6450_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S5P64X0_GPP_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPP(0), + .ngpio = S5P6450_GPIO_P_NR, + .label = "GPP", + }, + }, { + .base = S5P6450_GPQ_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6450_GPQ(0), + .ngpio = S5P6450_GPIO_Q_NR, + .label = "GPQ", + }, + }, { + .base = S5P6450_GPS_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPS(0), + .ngpio = S5P6450_GPIO_S_NR, + .label = "GPS", + }, + }, +#endif +}; + +/* + * S5PC100 GPIO bank summary: + * + * Bank GPIOs Style INT Type + * A0 8 4Bit GPIO_INT0 + * A1 5 4Bit GPIO_INT1 + * B 8 4Bit GPIO_INT2 + * C 5 4Bit GPIO_INT3 + * D 7 4Bit GPIO_INT4 + * E0 8 4Bit GPIO_INT5 + * E1 6 4Bit GPIO_INT6 + * F0 8 4Bit GPIO_INT7 + * F1 8 4Bit GPIO_INT8 + * F2 8 4Bit GPIO_INT9 + * F3 4 4Bit GPIO_INT10 + * G0 8 4Bit GPIO_INT11 + * G1 3 4Bit GPIO_INT12 + * G2 7 4Bit GPIO_INT13 + * G3 7 4Bit GPIO_INT14 + * H0 8 4Bit WKUP_INT + * H1 8 4Bit WKUP_INT + * H2 8 4Bit WKUP_INT + * H3 8 4Bit WKUP_INT + * I 8 4Bit GPIO_INT15 + * J0 8 4Bit GPIO_INT16 + * J1 5 4Bit GPIO_INT17 + * J2 8 4Bit GPIO_INT18 + * J3 8 4Bit GPIO_INT19 + * J4 4 4Bit GPIO_INT20 + * K0 8 4Bit None + * K1 6 4Bit None + * K2 8 4Bit None + * K3 8 4Bit None + * L0 8 4Bit None + * L1 8 4Bit None + * L2 8 4Bit None + * L3 8 4Bit None + */ + +static struct samsung_gpio_chip s5pc100_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5PC100 + { + .chip = { + .base = S5PC100_GPA0(0), + .ngpio = S5PC100_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = S5PC100_GPA1(0), + .ngpio = S5PC100_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = S5PC100_GPB(0), + .ngpio = S5PC100_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5PC100_GPC(0), + .ngpio = S5PC100_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S5PC100_GPD(0), + .ngpio = S5PC100_GPIO_D_NR, + .label = "GPD", + }, + }, { + .chip = { + .base = S5PC100_GPE0(0), + .ngpio = S5PC100_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = S5PC100_GPE1(0), + .ngpio = S5PC100_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = S5PC100_GPF0(0), + .ngpio = S5PC100_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = S5PC100_GPF1(0), + .ngpio = S5PC100_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = S5PC100_GPF2(0), + .ngpio = S5PC100_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = S5PC100_GPF3(0), + .ngpio = S5PC100_GPIO_F3_NR, + .label = "GPF3", + }, + }, { + .chip = { + .base = S5PC100_GPG0(0), + .ngpio = S5PC100_GPIO_G0_NR, + .label = "GPG0", + }, + }, { + .chip = { + .base = S5PC100_GPG1(0), + .ngpio = S5PC100_GPIO_G1_NR, + .label = "GPG1", + }, + }, { + .chip = { + .base = S5PC100_GPG2(0), + .ngpio = S5PC100_GPIO_G2_NR, + .label = "GPG2", + }, + }, { + .chip = { + .base = S5PC100_GPG3(0), + .ngpio = S5PC100_GPIO_G3_NR, + .label = "GPG3", + }, + }, { + .chip = { + .base = S5PC100_GPI(0), + .ngpio = S5PC100_GPIO_I_NR, + .label = "GPI", + }, + }, { + .chip = { + .base = S5PC100_GPJ0(0), + .ngpio = S5PC100_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = S5PC100_GPJ1(0), + .ngpio = S5PC100_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = S5PC100_GPJ2(0), + .ngpio = S5PC100_GPIO_J2_NR, + .label = "GPJ2", + }, + }, { + .chip = { + .base = S5PC100_GPJ3(0), + .ngpio = S5PC100_GPIO_J3_NR, + .label = "GPJ3", + }, + }, { + .chip = { + .base = S5PC100_GPJ4(0), + .ngpio = S5PC100_GPIO_J4_NR, + .label = "GPJ4", + }, + }, { + .chip = { + .base = S5PC100_GPK0(0), + .ngpio = S5PC100_GPIO_K0_NR, + .label = "GPK0", + }, + }, { + .chip = { + .base = S5PC100_GPK1(0), + .ngpio = S5PC100_GPIO_K1_NR, + .label = "GPK1", + }, + }, { + .chip = { + .base = S5PC100_GPK2(0), + .ngpio = S5PC100_GPIO_K2_NR, + .label = "GPK2", + }, + }, { + .chip = { + .base = S5PC100_GPK3(0), + .ngpio = S5PC100_GPIO_K3_NR, + .label = "GPK3", + }, + }, { + .chip = { + .base = S5PC100_GPL0(0), + .ngpio = S5PC100_GPIO_L0_NR, + .label = "GPL0", + }, + }, { + .chip = { + .base = S5PC100_GPL1(0), + .ngpio = S5PC100_GPIO_L1_NR, + .label = "GPL1", + }, + }, { + .chip = { + .base = S5PC100_GPL2(0), + .ngpio = S5PC100_GPIO_L2_NR, + .label = "GPL2", + }, + }, { + .chip = { + .base = S5PC100_GPL3(0), + .ngpio = S5PC100_GPIO_L3_NR, + .label = "GPL3", + }, + }, { + .chip = { + .base = S5PC100_GPL4(0), + .ngpio = S5PC100_GPIO_L4_NR, + .label = "GPL4", + }, + }, { + .base = (S5P_VA_GPIO + 0xC00), + .irq_base = IRQ_EINT(0), + .chip = { + .base = S5PC100_GPH0(0), + .ngpio = S5PC100_GPIO_H0_NR, + .label = "GPH0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC20), + .irq_base = IRQ_EINT(8), + .chip = { + .base = S5PC100_GPH1(0), + .ngpio = S5PC100_GPIO_H1_NR, + .label = "GPH1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC40), + .irq_base = IRQ_EINT(16), + .chip = { + .base = S5PC100_GPH2(0), + .ngpio = S5PC100_GPIO_H2_NR, + .label = "GPH2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC60), + .irq_base = IRQ_EINT(24), + .chip = { + .base = S5PC100_GPH3(0), + .ngpio = S5PC100_GPIO_H3_NR, + .label = "GPH3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * Followings are the gpio banks in S5PV210/S5PC110 + * + * The 'config' member when left to NULL, is initialized to the default + * structure samsung_gpio_cfgs[3] in the init function below. + * + * The 'base' member is also initialized in the init function below. + * Note: The initialization of 'base' member of samsung_gpio_chip structure + * uses the above macro and depends on the banks being listed in order here. + */ + +static struct samsung_gpio_chip s5pv210_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5PV210 + { + .chip = { + .base = S5PV210_GPA0(0), + .ngpio = S5PV210_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = S5PV210_GPA1(0), + .ngpio = S5PV210_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = S5PV210_GPB(0), + .ngpio = S5PV210_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5PV210_GPC0(0), + .ngpio = S5PV210_GPIO_C0_NR, + .label = "GPC0", + }, + }, { + .chip = { + .base = S5PV210_GPC1(0), + .ngpio = S5PV210_GPIO_C1_NR, + .label = "GPC1", + }, + }, { + .chip = { + .base = S5PV210_GPD0(0), + .ngpio = S5PV210_GPIO_D0_NR, + .label = "GPD0", + }, + }, { + .chip = { + .base = S5PV210_GPD1(0), + .ngpio = S5PV210_GPIO_D1_NR, + .label = "GPD1", + }, + }, { + .chip = { + .base = S5PV210_GPE0(0), + .ngpio = S5PV210_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = S5PV210_GPE1(0), + .ngpio = S5PV210_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = S5PV210_GPF0(0), + .ngpio = S5PV210_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = S5PV210_GPF1(0), + .ngpio = S5PV210_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = S5PV210_GPF2(0), + .ngpio = S5PV210_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = S5PV210_GPF3(0), + .ngpio = S5PV210_GPIO_F3_NR, + .label = "GPF3", + }, + }, { + .chip = { + .base = S5PV210_GPG0(0), + .ngpio = S5PV210_GPIO_G0_NR, + .label = "GPG0", + }, + }, { + .chip = { + .base = S5PV210_GPG1(0), + .ngpio = S5PV210_GPIO_G1_NR, + .label = "GPG1", + }, + }, { + .chip = { + .base = S5PV210_GPG2(0), + .ngpio = S5PV210_GPIO_G2_NR, + .label = "GPG2", + }, + }, { + .chip = { + .base = S5PV210_GPG3(0), + .ngpio = S5PV210_GPIO_G3_NR, + .label = "GPG3", + }, + }, { + .chip = { + .base = S5PV210_GPI(0), + .ngpio = S5PV210_GPIO_I_NR, + .label = "GPI", + }, + }, { + .chip = { + .base = S5PV210_GPJ0(0), + .ngpio = S5PV210_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = S5PV210_GPJ1(0), + .ngpio = S5PV210_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = S5PV210_GPJ2(0), + .ngpio = S5PV210_GPIO_J2_NR, + .label = "GPJ2", + }, + }, { + .chip = { + .base = S5PV210_GPJ3(0), + .ngpio = S5PV210_GPIO_J3_NR, + .label = "GPJ3", + }, + }, { + .chip = { + .base = S5PV210_GPJ4(0), + .ngpio = S5PV210_GPIO_J4_NR, + .label = "GPJ4", + }, + }, { + .chip = { + .base = S5PV210_MP01(0), + .ngpio = S5PV210_GPIO_MP01_NR, + .label = "MP01", + }, + }, { + .chip = { + .base = S5PV210_MP02(0), + .ngpio = S5PV210_GPIO_MP02_NR, + .label = "MP02", + }, + }, { + .chip = { + .base = S5PV210_MP03(0), + .ngpio = S5PV210_GPIO_MP03_NR, + .label = "MP03", + }, + }, { + .chip = { + .base = S5PV210_MP04(0), + .ngpio = S5PV210_GPIO_MP04_NR, + .label = "MP04", + }, + }, { + .chip = { + .base = S5PV210_MP05(0), + .ngpio = S5PV210_GPIO_MP05_NR, + .label = "MP05", + }, + }, { + .base = (S5P_VA_GPIO + 0xC00), + .irq_base = IRQ_EINT(0), + .chip = { + .base = S5PV210_GPH0(0), + .ngpio = S5PV210_GPIO_H0_NR, + .label = "GPH0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC20), + .irq_base = IRQ_EINT(8), + .chip = { + .base = S5PV210_GPH1(0), + .ngpio = S5PV210_GPIO_H1_NR, + .label = "GPH1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC40), + .irq_base = IRQ_EINT(16), + .chip = { + .base = S5PV210_GPH2(0), + .ngpio = S5PV210_GPIO_H2_NR, + .label = "GPH2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC60), + .irq_base = IRQ_EINT(24), + .chip = { + .base = S5PV210_GPH3(0), + .ngpio = S5PV210_GPIO_H3_NR, + .label = "GPH3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * Followings are the gpio banks in EXYNOS4210 + * + * The 'config' member when left to NULL, is initialized to the default + * structure samsung_gpio_cfgs[3] in the init function below. + * + * The 'base' member is also initialized in the init function below. + * Note: The initialization of 'base' member of samsung_gpio_chip structure + * uses the above macro and depends on the banks being listed in order here. + */ + +static struct samsung_gpio_chip exynos4_gpios_1[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPA0(0), + .ngpio = EXYNOS4_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = EXYNOS4_GPA1(0), + .ngpio = EXYNOS4_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = EXYNOS4_GPB(0), + .ngpio = EXYNOS4_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = EXYNOS4_GPC0(0), + .ngpio = EXYNOS4_GPIO_C0_NR, + .label = "GPC0", + }, + }, { + .chip = { + .base = EXYNOS4_GPC1(0), + .ngpio = EXYNOS4_GPIO_C1_NR, + .label = "GPC1", + }, + }, { + .chip = { + .base = EXYNOS4_GPD0(0), + .ngpio = EXYNOS4_GPIO_D0_NR, + .label = "GPD0", + }, + }, { + .chip = { + .base = EXYNOS4_GPD1(0), + .ngpio = EXYNOS4_GPIO_D1_NR, + .label = "GPD1", + }, + }, { + .chip = { + .base = EXYNOS4_GPE0(0), + .ngpio = EXYNOS4_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = EXYNOS4_GPE1(0), + .ngpio = EXYNOS4_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = EXYNOS4_GPE2(0), + .ngpio = EXYNOS4_GPIO_E2_NR, + .label = "GPE2", + }, + }, { + .chip = { + .base = EXYNOS4_GPE3(0), + .ngpio = EXYNOS4_GPIO_E3_NR, + .label = "GPE3", + }, + }, { + .chip = { + .base = EXYNOS4_GPE4(0), + .ngpio = EXYNOS4_GPIO_E4_NR, + .label = "GPE4", + }, + }, { + .chip = { + .base = EXYNOS4_GPF0(0), + .ngpio = EXYNOS4_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = EXYNOS4_GPF1(0), + .ngpio = EXYNOS4_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = EXYNOS4_GPF2(0), + .ngpio = EXYNOS4_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = EXYNOS4_GPF3(0), + .ngpio = EXYNOS4_GPIO_F3_NR, + .label = "GPF3", + }, + }, +#endif +}; + +static struct samsung_gpio_chip exynos4_gpios_2[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPJ0(0), + .ngpio = EXYNOS4_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = EXYNOS4_GPJ1(0), + .ngpio = EXYNOS4_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = EXYNOS4_GPK0(0), + .ngpio = EXYNOS4_GPIO_K0_NR, + .label = "GPK0", + }, + }, { + .chip = { + .base = EXYNOS4_GPK1(0), + .ngpio = EXYNOS4_GPIO_K1_NR, + .label = "GPK1", + }, + }, { + .chip = { + .base = EXYNOS4_GPK2(0), + .ngpio = EXYNOS4_GPIO_K2_NR, + .label = "GPK2", + }, + }, { + .chip = { + .base = EXYNOS4_GPK3(0), + .ngpio = EXYNOS4_GPIO_K3_NR, + .label = "GPK3", + }, + }, { + .chip = { + .base = EXYNOS4_GPL0(0), + .ngpio = EXYNOS4_GPIO_L0_NR, + .label = "GPL0", + }, + }, { + .chip = { + .base = EXYNOS4_GPL1(0), + .ngpio = EXYNOS4_GPIO_L1_NR, + .label = "GPL1", + }, + }, { + .chip = { + .base = EXYNOS4_GPL2(0), + .ngpio = EXYNOS4_GPIO_L2_NR, + .label = "GPL2", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY0(0), + .ngpio = EXYNOS4_GPIO_Y0_NR, + .label = "GPY0", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY1(0), + .ngpio = EXYNOS4_GPIO_Y1_NR, + .label = "GPY1", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY2(0), + .ngpio = EXYNOS4_GPIO_Y2_NR, + .label = "GPY2", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY3(0), + .ngpio = EXYNOS4_GPIO_Y3_NR, + .label = "GPY3", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY4(0), + .ngpio = EXYNOS4_GPIO_Y4_NR, + .label = "GPY4", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY5(0), + .ngpio = EXYNOS4_GPIO_Y5_NR, + .label = "GPY5", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY6(0), + .ngpio = EXYNOS4_GPIO_Y6_NR, + .label = "GPY6", + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC00), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(0), + .chip = { + .base = EXYNOS4_GPX0(0), + .ngpio = EXYNOS4_GPIO_X0_NR, + .label = "GPX0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC20), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(8), + .chip = { + .base = EXYNOS4_GPX1(0), + .ngpio = EXYNOS4_GPIO_X1_NR, + .label = "GPX1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC40), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(16), + .chip = { + .base = EXYNOS4_GPX2(0), + .ngpio = EXYNOS4_GPIO_X2_NR, + .label = "GPX2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC60), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(24), + .chip = { + .base = EXYNOS4_GPX3(0), + .ngpio = EXYNOS4_GPIO_X3_NR, + .label = "GPX3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip exynos4_gpios_3[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPZ(0), + .ngpio = EXYNOS4_GPIO_Z_NR, + .label = "GPZ", + }, + }, +#endif +}; + +/* TODO: cleanup soc_is_* */ +static __init int samsung_gpiolib_init(void) +{ + struct samsung_gpio_chip *chip; + int i, nr_chips; + int group = 0; + + samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs)); + + if (soc_is_s3c24xx()) { + s3c24xx_gpiolib_add_chips(s3c24xx_gpios, + ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO); + } else if (soc_is_s3c64xx()) { + samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit, + ARRAY_SIZE(s3c64xx_gpios_2bit), + S3C64XX_VA_GPIO + 0xE0, 0x20); + samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit, + ARRAY_SIZE(s3c64xx_gpios_4bit), + S3C64XX_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2, + ARRAY_SIZE(s3c64xx_gpios_4bit2)); + } else if (soc_is_s5p6440()) { + samsung_gpiolib_add_2bit_chips(s5p6440_gpios_2bit, + ARRAY_SIZE(s5p6440_gpios_2bit), NULL, 0x0); + samsung_gpiolib_add_4bit_chips(s5p6440_gpios_4bit, + ARRAY_SIZE(s5p6440_gpios_4bit), S5P_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s5p6440_gpios_4bit2, + ARRAY_SIZE(s5p6440_gpios_4bit2)); + s5p64x0_gpiolib_add_rbank(s5p6440_gpios_rbank, + ARRAY_SIZE(s5p6440_gpios_rbank)); + } else if (soc_is_s5p6450()) { + samsung_gpiolib_add_2bit_chips(s5p6450_gpios_2bit, + ARRAY_SIZE(s5p6450_gpios_2bit), NULL, 0x0); + samsung_gpiolib_add_4bit_chips(s5p6450_gpios_4bit, + ARRAY_SIZE(s5p6450_gpios_4bit), S5P_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s5p6450_gpios_4bit2, + ARRAY_SIZE(s5p6450_gpios_4bit2)); + s5p64x0_gpiolib_add_rbank(s5p6450_gpios_rbank, + ARRAY_SIZE(s5p6450_gpios_rbank)); + } else if (soc_is_s5pc100()) { + group = 0; + chip = s5pc100_gpios_4bit; + nr_chips = ARRAY_SIZE(s5pc100_gpios_4bit); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &samsung_gpio_cfgs[3]; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(s5pc100_gpios_4bit, nr_chips, S5P_VA_GPIO); +#if defined(CONFIG_CPU_S5PC100) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); +#endif + } else if (soc_is_s5pv210()) { + group = 0; + chip = s5pv210_gpios_4bit; + nr_chips = ARRAY_SIZE(s5pv210_gpios_4bit); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &samsung_gpio_cfgs[3]; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(s5pv210_gpios_4bit, nr_chips, S5P_VA_GPIO); +#if defined(CONFIG_CPU_S5PV210) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); +#endif + } else if (soc_is_exynos4210()) { + group = 0; + + /* gpio part1 */ + chip = exynos4_gpios_1; + nr_chips = ARRAY_SIZE(exynos4_gpios_1); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_1, nr_chips, S5P_VA_GPIO1); + + /* gpio part2 */ + chip = exynos4_gpios_2; + nr_chips = ARRAY_SIZE(exynos4_gpios_2); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_2, nr_chips, S5P_VA_GPIO2); + + /* gpio part3 */ + chip = exynos4_gpios_3; + nr_chips = ARRAY_SIZE(exynos4_gpios_3); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_3, nr_chips, S5P_VA_GPIO3); + +#if defined(CONFIG_CPU_EXYNOS4210) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); + s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); +#endif + } + + return 0; +} +core_initcall(samsung_gpiolib_init); + +int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset; + int ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_setcfg(chip, offset, config); + samsung_gpio_unlock(chip, flags); + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_cfgpin); + +int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, + unsigned int cfg) +{ + int ret; + + for (; nr > 0; nr--, start++) { + ret = s3c_gpio_cfgpin(start, cfg); + if (ret != 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); + +int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, + unsigned int cfg, samsung_gpio_pull_t pull) +{ + int ret; + + for (; nr > 0; nr--, start++) { + s3c_gpio_setpull(start, pull); + ret = s3c_gpio_cfgpin(start, cfg); + if (ret != 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); + +unsigned s3c_gpio_getcfg(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + unsigned ret = 0; + int offset; + + if (chip) { + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_getcfg(chip, offset); + samsung_gpio_unlock(chip, flags); + } + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_getcfg); + +int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset, ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_setpull(chip, offset, pull); + samsung_gpio_unlock(chip, flags); + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_setpull); + +samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset; + u32 pup = 0; + + if (chip) { + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + pup = samsung_gpio_do_getpull(chip, offset); + samsung_gpio_unlock(chip, flags); + } + + return (__force samsung_gpio_pull_t)pup; +} +EXPORT_SYMBOL(s3c_gpio_getpull); + +/* gpiolib wrappers until these are totally eliminated */ + +void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) +{ + int ret; + + WARN_ON(to); /* should be none of these left */ + + if (!to) { + /* if pull is enabled, try first with up, and if that + * fails, try using down */ + + ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); + if (ret) + s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); + } else { + s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); + } +} +EXPORT_SYMBOL(s3c2410_gpio_pullup); + +void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) +{ + /* do this via gpiolib until all users removed */ + + gpio_request(pin, "temporary"); + gpio_set_value(pin, to); + gpio_free(pin); +} +EXPORT_SYMBOL(s3c2410_gpio_setpin); + +unsigned int s3c2410_gpio_getpin(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long offs = pin - chip->chip.base; + + return __raw_readl(chip->base + 0x04) & (1 << offs); +} +EXPORT_SYMBOL(s3c2410_gpio_getpin); + +#ifdef CONFIG_S5P_GPIO_DRVSTR +s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned int off; + void __iomem *reg; + int shift; + u32 drvstr; + + if (!chip) + return -EINVAL; + + off = pin - chip->chip.base; + shift = off * 2; + reg = chip->base + 0x0C; + + drvstr = __raw_readl(reg); + drvstr = drvstr >> shift; + drvstr &= 0x3; + + return (__force s5p_gpio_drvstr_t)drvstr; +} +EXPORT_SYMBOL(s5p_gpio_get_drvstr); + +int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned int off; + void __iomem *reg; + int shift; + u32 tmp; + + if (!chip) + return -EINVAL; + + off = pin - chip->chip.base; + shift = off * 2; + reg = chip->base + 0x0C; + + tmp = __raw_readl(reg); + tmp &= ~(0x3 << shift); + tmp |= drvstr << shift; + + __raw_writel(tmp, reg); + + return 0; +} +EXPORT_SYMBOL(s5p_gpio_set_drvstr); +#endif /* CONFIG_S5P_GPIO_DRVSTR */ + +#ifdef CONFIG_PLAT_S3C24XX +unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) +{ + unsigned long flags; + unsigned long misccr; + + local_irq_save(flags); + misccr = __raw_readl(S3C24XX_MISCCR); + misccr &= ~clear; + misccr ^= change; + __raw_writel(misccr, S3C24XX_MISCCR); + local_irq_restore(flags); + + return misccr; +} +EXPORT_SYMBOL(s3c2410_modify_misccr); +#endif |