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-rw-r--r--arch/arm/mach-s3c64xx/irq-eint.c37
-rw-r--r--arch/arm/mach-s5pv310/irq-eint.c2
-rw-r--r--arch/arm/plat-s3c24xx/irq.c2
-rw-r--r--arch/arm/plat-s5p/irq-eint.c4
-rw-r--r--arch/arm/plat-samsung/Kconfig8
-rw-r--r--arch/arm/plat-samsung/Makefile4
-rw-r--r--arch/arm/plat-samsung/include/plat/pd.h30
-rw-r--r--arch/arm/plat-samsung/include/plat/pm.h4
-rw-r--r--arch/arm/plat-samsung/irq-uart.c36
-rw-r--r--arch/arm/plat-samsung/irq-vic-timer.c22
-rw-r--r--arch/arm/plat-samsung/pd.c95
-rw-r--r--arch/arm/plat-samsung/pm.c6
12 files changed, 197 insertions, 53 deletions
diff --git a/arch/arm/mach-s3c64xx/irq-eint.c b/arch/arm/mach-s3c64xx/irq-eint.c
index 5682d6a..2ead818 100644
--- a/arch/arm/mach-s3c64xx/irq-eint.c
+++ b/arch/arm/mach-s3c64xx/irq-eint.c
@@ -30,41 +30,41 @@
#include <plat/pm.h>
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
-#define eint_irq_to_bit(irq) (1 << eint_offset(irq))
+#define eint_irq_to_bit(irq) ((u32)(1 << eint_offset(irq)))
-static inline void s3c_irq_eint_mask(unsigned int irq)
+static inline void s3c_irq_eint_mask(struct irq_data *data)
{
u32 mask;
mask = __raw_readl(S3C64XX_EINT0MASK);
- mask |= eint_irq_to_bit(irq);
+ mask |= (u32)data->chip_data;
__raw_writel(mask, S3C64XX_EINT0MASK);
}
-static void s3c_irq_eint_unmask(unsigned int irq)
+static void s3c_irq_eint_unmask(struct irq_data *data)
{
u32 mask;
mask = __raw_readl(S3C64XX_EINT0MASK);
- mask &= ~eint_irq_to_bit(irq);
+ mask &= ~((u32)data->chip_data);
__raw_writel(mask, S3C64XX_EINT0MASK);
}
-static inline void s3c_irq_eint_ack(unsigned int irq)
+static inline void s3c_irq_eint_ack(struct irq_data *data)
{
- __raw_writel(eint_irq_to_bit(irq), S3C64XX_EINT0PEND);
+ __raw_writel((u32)data->chip_data, S3C64XX_EINT0PEND);
}
-static void s3c_irq_eint_maskack(unsigned int irq)
+static void s3c_irq_eint_maskack(struct irq_data *data)
{
/* compiler should in-line these */
- s3c_irq_eint_mask(irq);
- s3c_irq_eint_ack(irq);
+ s3c_irq_eint_mask(data);
+ s3c_irq_eint_ack(data);
}
-static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
+static int s3c_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
- int offs = eint_offset(irq);
+ int offs = eint_offset(data->irq);
int pin, pin_val;
int shift;
u32 ctrl, mask;
@@ -140,12 +140,12 @@ static int s3c_irq_eint_set_type(unsigned int irq, unsigned int type)
static struct irq_chip s3c_irq_eint = {
.name = "s3c-eint",
- .mask = s3c_irq_eint_mask,
- .unmask = s3c_irq_eint_unmask,
- .mask_ack = s3c_irq_eint_maskack,
- .ack = s3c_irq_eint_ack,
- .set_type = s3c_irq_eint_set_type,
- .set_wake = s3c_irqext_wake,
+ .irq_mask = s3c_irq_eint_mask,
+ .irq_unmask = s3c_irq_eint_unmask,
+ .irq_mask_ack = s3c_irq_eint_maskack,
+ .irq_ack = s3c_irq_eint_ack,
+ .irq_set_type = s3c_irq_eint_set_type,
+ .irq_set_wake = s3c_irqext_wake,
};
/* s3c_irq_demux_eint
@@ -198,6 +198,7 @@ static int __init s3c64xx_init_irq_eint(void)
for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) {
set_irq_chip(irq, &s3c_irq_eint);
+ set_irq_chip_data(irq, (void *)eint_irq_to_bit(irq));
set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, IRQF_VALID);
}
diff --git a/arch/arm/mach-s5pv310/irq-eint.c b/arch/arm/mach-s5pv310/irq-eint.c
index 5877503..f5a415e 100644
--- a/arch/arm/mach-s5pv310/irq-eint.c
+++ b/arch/arm/mach-s5pv310/irq-eint.c
@@ -152,7 +152,7 @@ static struct irq_chip s5pv310_irq_eint = {
.ack = s5pv310_irq_eint_ack,
.set_type = s5pv310_irq_eint_set_type,
#ifdef CONFIG_PM
- .set_wake = s3c_irqext_wake,
+ .irq_set_wake = s3c_irqext_wake,
#endif
};
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index ad0d44e..91ce383 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -238,7 +238,7 @@ static struct irq_chip s3c_irqext_chip = {
.unmask = s3c_irqext_unmask,
.ack = s3c_irqext_ack,
.set_type = s3c_irqext_type,
- .set_wake = s3c_irqext_wake
+ .irq_set_wake = s3c_irqext_wake
};
static struct irq_chip s3c_irq_eint0t4 = {
diff --git a/arch/arm/plat-s5p/irq-eint.c b/arch/arm/plat-s5p/irq-eint.c
index 752f1a6..f2f2e1c 100644
--- a/arch/arm/plat-s5p/irq-eint.c
+++ b/arch/arm/plat-s5p/irq-eint.c
@@ -125,7 +125,7 @@ static struct irq_chip s5p_irq_eint = {
.ack = s5p_irq_eint_ack,
.set_type = s5p_irq_eint_set_type,
#ifdef CONFIG_PM
- .set_wake = s3c_irqext_wake,
+ .irq_set_wake = s3c_irqext_wake,
#endif
};
@@ -194,7 +194,7 @@ static struct irq_chip s5p_irq_vic_eint = {
.ack = s5p_irq_vic_eint_ack,
.set_type = s5p_irq_eint_set_type,
#ifdef CONFIG_PM
- .set_wake = s3c_irqext_wake,
+ .irq_set_wake = s3c_irqext_wake,
#endif
};
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index dcd6eff..2ebf415 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -333,4 +333,12 @@ config SAMSUNG_WAKEMASK
and above. This code allows a set of interrupt to wakeup-mask
mappings. See <plat/wakeup-mask.h>
+comment "Power Domain"
+
+config SAMSUNG_PD
+ bool "Samsung Power Domain"
+ depends on PM_RUNTIME
+ help
+ Say Y here if you want to control Power Domain by Runtime PM.
+
endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index afcce47..09dbd78 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -73,6 +73,10 @@ obj-$(CONFIG_SAMSUNG_PM_CHECK) += pm-check.o
obj-$(CONFIG_SAMSUNG_WAKEMASK) += wakeup-mask.o
+# PD support
+
+obj-$(CONFIG_SAMSUNG_PD) += pd.o
+
# PWM support
obj-$(CONFIG_HAVE_PWM) += pwm.o
diff --git a/arch/arm/plat-samsung/include/plat/pd.h b/arch/arm/plat-samsung/include/plat/pd.h
new file mode 100644
index 0000000..5f0ad85
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/pd.h
@@ -0,0 +1,30 @@
+/* linux/arch/arm/plat-samsung/include/plat/pd.h
+ *
+ * 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.
+*/
+
+#ifndef __ASM_PLAT_SAMSUNG_PD_H
+#define __ASM_PLAT_SAMSUNG_PD_H __FILE__
+
+struct samsung_pd_info {
+ int (*enable)(struct device *dev);
+ int (*disable)(struct device *dev);
+ void __iomem *base;
+};
+
+enum s5pv310_pd_block {
+ PD_MFC,
+ PD_G3D,
+ PD_LCD0,
+ PD_LCD1,
+ PD_TV,
+ PD_CAM,
+ PD_GPS
+};
+
+#endif /* __ASM_PLAT_SAMSUNG_PD_H */
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index 245836d..d9025e3 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -15,6 +15,8 @@
* management
*/
+#include <linux/irq.h>
+
#ifdef CONFIG_PM
extern __init int s3c_pm_init(void);
@@ -100,7 +102,7 @@ extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
#ifdef CONFIG_PM
-extern int s3c_irqext_wake(unsigned int irqno, unsigned int state);
+extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
extern int s3c24xx_irq_suspend(struct sys_device *dev, pm_message_t state);
extern int s3c24xx_irq_resume(struct sys_device *dev);
#else
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c
index 4f8c102..da31d78 100644
--- a/arch/arm/plat-samsung/irq-uart.c
+++ b/arch/arm/plat-samsung/irq-uart.c
@@ -28,9 +28,9 @@
* are consecutive when looking up the interrupt in the demux routines.
*/
-static inline void __iomem *s3c_irq_uart_base(unsigned int irq)
+static inline void __iomem *s3c_irq_uart_base(struct irq_data *data)
{
- struct s3c_uart_irq *uirq = get_irq_chip_data(irq);
+ struct s3c_uart_irq *uirq = data->chip_data;
return uirq->regs;
}
@@ -39,10 +39,10 @@ static inline unsigned int s3c_irq_uart_bit(unsigned int irq)
return irq & 3;
}
-static void s3c_irq_uart_mask(unsigned int irq)
+static void s3c_irq_uart_mask(struct irq_data *data)
{
- void __iomem *regs = s3c_irq_uart_base(irq);
- unsigned int bit = s3c_irq_uart_bit(irq);
+ void __iomem *regs = s3c_irq_uart_base(data);
+ unsigned int bit = s3c_irq_uart_bit(data->irq);
u32 reg;
reg = __raw_readl(regs + S3C64XX_UINTM);
@@ -50,10 +50,10 @@ static void s3c_irq_uart_mask(unsigned int irq)
__raw_writel(reg, regs + S3C64XX_UINTM);
}
-static void s3c_irq_uart_maskack(unsigned int irq)
+static void s3c_irq_uart_maskack(struct irq_data *data)
{
- void __iomem *regs = s3c_irq_uart_base(irq);
- unsigned int bit = s3c_irq_uart_bit(irq);
+ void __iomem *regs = s3c_irq_uart_base(data);
+ unsigned int bit = s3c_irq_uart_bit(data->irq);
u32 reg;
reg = __raw_readl(regs + S3C64XX_UINTM);
@@ -62,10 +62,10 @@ static void s3c_irq_uart_maskack(unsigned int irq)
__raw_writel(1 << bit, regs + S3C64XX_UINTP);
}
-static void s3c_irq_uart_unmask(unsigned int irq)
+static void s3c_irq_uart_unmask(struct irq_data *data)
{
- void __iomem *regs = s3c_irq_uart_base(irq);
- unsigned int bit = s3c_irq_uart_bit(irq);
+ void __iomem *regs = s3c_irq_uart_base(data);
+ unsigned int bit = s3c_irq_uart_bit(data->irq);
u32 reg;
reg = __raw_readl(regs + S3C64XX_UINTM);
@@ -73,10 +73,10 @@ static void s3c_irq_uart_unmask(unsigned int irq)
__raw_writel(reg, regs + S3C64XX_UINTM);
}
-static void s3c_irq_uart_ack(unsigned int irq)
+static void s3c_irq_uart_ack(struct irq_data *data)
{
- void __iomem *regs = s3c_irq_uart_base(irq);
- unsigned int bit = s3c_irq_uart_bit(irq);
+ void __iomem *regs = s3c_irq_uart_base(data);
+ unsigned int bit = s3c_irq_uart_bit(data->irq);
__raw_writel(1 << bit, regs + S3C64XX_UINTP);
}
@@ -99,10 +99,10 @@ static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
static struct irq_chip s3c_irq_uart = {
.name = "s3c-uart",
- .mask = s3c_irq_uart_mask,
- .unmask = s3c_irq_uart_unmask,
- .mask_ack = s3c_irq_uart_maskack,
- .ack = s3c_irq_uart_ack,
+ .irq_mask = s3c_irq_uart_mask,
+ .irq_unmask = s3c_irq_uart_unmask,
+ .irq_mask_ack = s3c_irq_uart_maskack,
+ .irq_ack = s3c_irq_uart_ack,
};
static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c
index 0270519..7ce77dd 100644
--- a/arch/arm/plat-samsung/irq-vic-timer.c
+++ b/arch/arm/plat-samsung/irq-vic-timer.c
@@ -29,38 +29,41 @@ static void s3c_irq_demux_vic_timer(unsigned int irq, struct irq_desc *desc)
/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */
-static void s3c_irq_timer_mask(unsigned int irq)
+static void s3c_irq_timer_mask(struct irq_data *data)
{
u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+ u32 mask = (u32)data->chip_data;
reg &= 0x1f; /* mask out pending interrupts */
- reg &= ~(1 << (irq - IRQ_TIMER0));
+ reg &= ~mask;
__raw_writel(reg, S3C64XX_TINT_CSTAT);
}
-static void s3c_irq_timer_unmask(unsigned int irq)
+static void s3c_irq_timer_unmask(struct irq_data *data)
{
u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+ u32 mask = (u32)data->chip_data;
reg &= 0x1f; /* mask out pending interrupts */
- reg |= 1 << (irq - IRQ_TIMER0);
+ reg |= mask;
__raw_writel(reg, S3C64XX_TINT_CSTAT);
}
-static void s3c_irq_timer_ack(unsigned int irq)
+static void s3c_irq_timer_ack(struct irq_data *data)
{
u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+ u32 mask = (u32)data->chip_data;
reg &= 0x1f;
- reg |= (1 << 5) << (irq - IRQ_TIMER0);
+ reg |= mask << 5;
__raw_writel(reg, S3C64XX_TINT_CSTAT);
}
static struct irq_chip s3c_irq_timer = {
.name = "s3c-timer",
- .mask = s3c_irq_timer_mask,
- .unmask = s3c_irq_timer_unmask,
- .ack = s3c_irq_timer_ack,
+ .irq_mask = s3c_irq_timer_mask,
+ .irq_unmask = s3c_irq_timer_unmask,
+ .irq_ack = s3c_irq_timer_ack,
};
/**
@@ -79,6 +82,7 @@ void __init s3c_init_vic_timer_irq(unsigned int parent_irq,
set_irq_chained_handler(parent_irq, s3c_irq_demux_vic_timer);
set_irq_chip(timer_irq, &s3c_irq_timer);
+ set_irq_chip_data(timer_irq, (void *)(1 << (timer_irq - IRQ_TIMER0)));
set_irq_handler(timer_irq, handle_level_irq);
set_irq_flags(timer_irq, IRQF_VALID);
diff --git a/arch/arm/plat-samsung/pd.c b/arch/arm/plat-samsung/pd.c
new file mode 100644
index 0000000..efe1d56
--- /dev/null
+++ b/arch/arm/plat-samsung/pd.c
@@ -0,0 +1,95 @@
+/* linux/arch/arm/plat-samsung/pd.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Samsung Power domain 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/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/pm_runtime.h>
+
+#include <plat/pd.h>
+
+static int samsung_pd_probe(struct platform_device *pdev)
+{
+ struct samsung_pd_info *pdata = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+
+ if (!pdata) {
+ dev_err(dev, "no device data specified\n");
+ return -ENOENT;
+ }
+
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
+ dev_info(dev, "power domain registered\n");
+ return 0;
+}
+
+static int __devexit samsung_pd_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+
+ pm_runtime_disable(dev);
+ return 0;
+}
+
+static int samsung_pd_runtime_suspend(struct device *dev)
+{
+ struct samsung_pd_info *pdata = dev->platform_data;
+ int ret = 0;
+
+ if (pdata->disable)
+ ret = pdata->disable(dev);
+
+ dev_dbg(dev, "suspended\n");
+ return ret;
+}
+
+static int samsung_pd_runtime_resume(struct device *dev)
+{
+ struct samsung_pd_info *pdata = dev->platform_data;
+ int ret = 0;
+
+ if (pdata->enable)
+ ret = pdata->enable(dev);
+
+ dev_dbg(dev, "resumed\n");
+ return ret;
+}
+
+static const struct dev_pm_ops samsung_pd_pm_ops = {
+ .runtime_suspend = samsung_pd_runtime_suspend,
+ .runtime_resume = samsung_pd_runtime_resume,
+};
+
+static struct platform_driver samsung_pd_driver = {
+ .driver = {
+ .name = "samsung-pd",
+ .owner = THIS_MODULE,
+ .pm = &samsung_pd_pm_ops,
+ },
+ .probe = samsung_pd_probe,
+ .remove = __devexit_p(samsung_pd_remove),
+};
+
+static int __init samsung_pd_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&samsung_pd_driver);
+ if (ret)
+ printk(KERN_ERR "%s: failed to add PD driver\n", __func__);
+
+ return ret;
+}
+arch_initcall(samsung_pd_init);
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 27cfca5..eaa57dc 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -136,15 +136,15 @@ static void s3c_pm_restore_uarts(void) { }
unsigned long s3c_irqwake_intmask = 0xffffffffL;
unsigned long s3c_irqwake_eintmask = 0xffffffffL;
-int s3c_irqext_wake(unsigned int irqno, unsigned int state)
+int s3c_irqext_wake(struct irq_data *data, unsigned int state)
{
- unsigned long bit = 1L << IRQ_EINT_BIT(irqno);
+ unsigned long bit = 1L << IRQ_EINT_BIT(data->irq);
if (!(s3c_irqwake_eintallow & bit))
return -ENOENT;
printk(KERN_INFO "wake %s for irq %d\n",
- state ? "enabled" : "disabled", irqno);
+ state ? "enabled" : "disabled", data->irq);
if (!state)
s3c_irqwake_eintmask |= bit;
generated by cgit v1.1 at 2024-05-20 02:35:17 +0000