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-rw-r--r--drivers/gpio/Kconfig22
-rw-r--r--drivers/gpio/Makefile3
-rw-r--r--drivers/gpio/adp5588-gpio.c39
-rw-r--r--drivers/gpio/cs5535-gpio.c71
-rw-r--r--drivers/gpio/gpiolib.c3
-rw-r--r--drivers/gpio/langwell_gpio.c16
-rw-r--r--drivers/gpio/max732x.c38
-rw-r--r--drivers/gpio/ml_ioh_gpio.c352
-rw-r--r--drivers/gpio/pca953x.c38
-rw-r--r--drivers/gpio/pl061.c28
-rw-r--r--drivers/gpio/rdc321x-gpio.c2
-rw-r--r--drivers/gpio/stmpe-gpio.c36
-rw-r--r--drivers/gpio/sx150x.c46
-rw-r--r--drivers/gpio/tc35892-gpio.c389
-rw-r--r--drivers/gpio/tc3589x-gpio.c389
-rw-r--r--drivers/gpio/timbgpio.c30
-rw-r--r--drivers/gpio/vr41xx_giu.c48
17 files changed, 990 insertions, 560 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 3143ac795eb0..664660e56335 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -118,7 +118,7 @@ config GPIO_SCH
config GPIO_VX855
tristate "VIA VX855/VX875 GPIO"
- depends on GPIOLIB
+ depends on GPIOLIB && MFD_SUPPORT && PCI
select MFD_CORE
select MFD_VX855
help
@@ -230,11 +230,11 @@ config GPIO_STMPE
This enables support for the GPIOs found on the STMPE I/O
Expanders.
-config GPIO_TC35892
- bool "TC35892 GPIOs"
- depends on MFD_TC35892
+config GPIO_TC3589X
+ bool "TC3589X GPIOs"
+ depends on MFD_TC3589X
help
- This enables support for the GPIOs found on the TC35892
+ This enables support for the GPIOs found on the TC3589X
I/O Expander.
config GPIO_TWL4030
@@ -295,7 +295,7 @@ comment "PCI GPIO expanders:"
config GPIO_CS5535
tristate "AMD CS5535/CS5536 GPIO support"
- depends on PCI && !CS5535_GPIO
+ depends on PCI && X86 && !CS5535_GPIO
help
The AMD CS5535 and CS5536 southbridges support 28 GPIO pins that
can be used for quite a number of things. The CS5535/6 is found on
@@ -333,6 +333,15 @@ config GPIO_PCH
which is an IOH(Input/Output Hub) for x86 embedded processor.
This driver can access PCH GPIO device.
+config GPIO_ML_IOH
+ tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
+ depends on PCI
+ help
+ ML7213 is companion chip for Intel Atom E6xx series.
+ This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output
+ Hub) which is for IVI(In-Vehicle Infotainment) use.
+ This driver can access the IOH's GPIO device.
+
config GPIO_TIMBERDALE
bool "Support for timberdale GPIO IP"
depends on MFD_TIMBERDALE && GPIOLIB && HAS_IOMEM
@@ -342,6 +351,7 @@ config GPIO_TIMBERDALE
config GPIO_RDC321X
tristate "RDC R-321x GPIO support"
depends on PCI && GPIOLIB
+ select MFD_SUPPORT
select MFD_CORE
select MFD_RDC321X
help
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index bdf3ddec0652..3351cf87b0ed 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -24,7 +24,7 @@ obj-$(CONFIG_GPIO_PCF857X) += pcf857x.o
obj-$(CONFIG_GPIO_PCH) += pch_gpio.o
obj-$(CONFIG_GPIO_PL061) += pl061.o
obj-$(CONFIG_GPIO_STMPE) += stmpe-gpio.o
-obj-$(CONFIG_GPIO_TC35892) += tc35892-gpio.o
+obj-$(CONFIG_GPIO_TC3589X) += tc3589x-gpio.o
obj-$(CONFIG_GPIO_TIMBERDALE) += timbgpio.o
obj-$(CONFIG_GPIO_TWL4030) += twl4030-gpio.o
obj-$(CONFIG_GPIO_UCB1400) += ucb1400_gpio.o
@@ -41,3 +41,4 @@ obj-$(CONFIG_GPIO_RDC321X) += rdc321x-gpio.o
obj-$(CONFIG_GPIO_JANZ_TTL) += janz-ttl.o
obj-$(CONFIG_GPIO_SX150X) += sx150x.o
obj-$(CONFIG_GPIO_VX855) += vx855_gpio.o
+obj-$(CONFIG_GPIO_ML_IOH) += ml_ioh_gpio.o
diff --git a/drivers/gpio/adp5588-gpio.c b/drivers/gpio/adp5588-gpio.c
index 0871f78af593..33fc685cb385 100644
--- a/drivers/gpio/adp5588-gpio.c
+++ b/drivers/gpio/adp5588-gpio.c
@@ -146,9 +146,10 @@ static int adp5588_gpio_to_irq(struct gpio_chip *chip, unsigned off)
return dev->irq_base + off;
}
-static void adp5588_irq_bus_lock(unsigned int irq)
+static void adp5588_irq_bus_lock(struct irq_data *d)
{
- struct adp5588_gpio *dev = get_irq_chip_data(irq);
+ struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
+
mutex_lock(&dev->irq_lock);
}
@@ -160,9 +161,9 @@ static void adp5588_irq_bus_lock(unsigned int irq)
* and unlocks the bus.
*/
-static void adp5588_irq_bus_sync_unlock(unsigned int irq)
+static void adp5588_irq_bus_sync_unlock(struct irq_data *d)
{
- struct adp5588_gpio *dev = get_irq_chip_data(irq);
+ struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
int i;
for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++)
@@ -175,31 +176,31 @@ static void adp5588_irq_bus_sync_unlock(unsigned int irq)
mutex_unlock(&dev->irq_lock);
}
-static void adp5588_irq_mask(unsigned int irq)
+static void adp5588_irq_mask(struct irq_data *d)
{
- struct adp5588_gpio *dev = get_irq_chip_data(irq);
- unsigned gpio = irq - dev->irq_base;
+ struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
+ unsigned gpio = d->irq - dev->irq_base;
dev->irq_mask[ADP5588_BANK(gpio)] &= ~ADP5588_BIT(gpio);
}
-static void adp5588_irq_unmask(unsigned int irq)
+static void adp5588_irq_unmask(struct irq_data *d)
{
- struct adp5588_gpio *dev = get_irq_chip_data(irq);
- unsigned gpio = irq - dev->irq_base;
+ struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
+ unsigned gpio = d->irq - dev->irq_base;
dev->irq_mask[ADP5588_BANK(gpio)] |= ADP5588_BIT(gpio);
}
-static int adp5588_irq_set_type(unsigned int irq, unsigned int type)
+static int adp5588_irq_set_type(struct irq_data *d, unsigned int type)
{
- struct adp5588_gpio *dev = get_irq_chip_data(irq);
- uint16_t gpio = irq - dev->irq_base;
+ struct adp5588_gpio *dev = irq_data_get_irq_chip_data(d);
+ uint16_t gpio = d->irq - dev->irq_base;
unsigned bank, bit;
if ((type & IRQ_TYPE_EDGE_BOTH)) {
dev_err(&dev->client->dev, "irq %d: unsupported type %d\n",
- irq, type);
+ d->irq, type);
return -EINVAL;
}
@@ -222,11 +223,11 @@ static int adp5588_irq_set_type(unsigned int irq, unsigned int type)
static struct irq_chip adp5588_irq_chip = {
.name = "adp5588",
- .mask = adp5588_irq_mask,
- .unmask = adp5588_irq_unmask,
- .bus_lock = adp5588_irq_bus_lock,
- .bus_sync_unlock = adp5588_irq_bus_sync_unlock,
- .set_type = adp5588_irq_set_type,
+ .irq_mask = adp5588_irq_mask,
+ .irq_unmask = adp5588_irq_unmask,
+ .irq_bus_lock = adp5588_irq_bus_lock,
+ .irq_bus_sync_unlock = adp5588_irq_bus_sync_unlock,
+ .irq_set_type = adp5588_irq_set_type,
};
static int adp5588_gpio_read_intstat(struct i2c_client *client, u8 *buf)
diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
index 599f6c9e0fbf..815d98b2c1ba 100644
--- a/drivers/gpio/cs5535-gpio.c
+++ b/drivers/gpio/cs5535-gpio.c
@@ -15,6 +15,7 @@
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/cs5535.h>
+#include <asm/msr.h>
#define DRV_NAME "cs5535-gpio"
#define GPIO_BAR 1
@@ -56,15 +57,26 @@ static struct cs5535_gpio_chip {
* registers, see include/linux/cs5535.h.
*/
-static void errata_outl(u32 val, unsigned long addr)
+static void errata_outl(struct cs5535_gpio_chip *chip, u32 val,
+ unsigned int reg)
{
+ unsigned long addr = chip->base + 0x80 + reg;
+
/*
* According to the CS5536 errata (#36), after suspend
* a write to the high bank GPIO register will clear all
* non-selected bits; the recommended workaround is a
* read-modify-write operation.
+ *
+ * Don't apply this errata to the edge status GPIOs, as writing
+ * to their lower bits will clear them.
*/
- val |= inl(addr);
+ if (reg != GPIO_POSITIVE_EDGE_STS && reg != GPIO_NEGATIVE_EDGE_STS) {
+ if (val & 0xffff)
+ val |= (inl(addr) & 0xffff); /* ignore the high bits */
+ else
+ val |= (inl(addr) ^ (val >> 16));
+ }
outl(val, addr);
}
@@ -76,7 +88,7 @@ static void __cs5535_gpio_set(struct cs5535_gpio_chip *chip, unsigned offset,
outl(1 << offset, chip->base + reg);
else
/* high bank register */
- errata_outl(1 << (offset - 16), chip->base + 0x80 + reg);
+ errata_outl(chip, 1 << (offset - 16), reg);
}
void cs5535_gpio_set(unsigned offset, unsigned int reg)
@@ -98,7 +110,7 @@ static void __cs5535_gpio_clear(struct cs5535_gpio_chip *chip, unsigned offset,
outl(1 << (offset + 16), chip->base + reg);
else
/* high bank register */
- errata_outl(1 << offset, chip->base + 0x80 + reg);
+ errata_outl(chip, 1 << offset, reg);
}
void cs5535_gpio_clear(unsigned offset, unsigned int reg)
@@ -133,6 +145,57 @@ int cs5535_gpio_isset(unsigned offset, unsigned int reg)
}
EXPORT_SYMBOL_GPL(cs5535_gpio_isset);
+int cs5535_gpio_set_irq(unsigned group, unsigned irq)
+{
+ uint32_t lo, hi;
+
+ if (group > 7 || irq > 15)
+ return -EINVAL;
+
+ rdmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
+
+ lo &= ~(0xF << (group * 4));
+ lo |= (irq & 0xF) << (group * 4);
+
+ wrmsr(MSR_PIC_ZSEL_HIGH, lo, hi);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cs5535_gpio_set_irq);
+
+void cs5535_gpio_setup_event(unsigned offset, int pair, int pme)
+{
+ struct cs5535_gpio_chip *chip = &cs5535_gpio_chip;
+ uint32_t shift = (offset % 8) * 4;
+ unsigned long flags;
+ uint32_t val;
+
+ if (offset >= 24)
+ offset = GPIO_MAP_W;
+ else if (offset >= 16)
+ offset = GPIO_MAP_Z;
+ else if (offset >= 8)
+ offset = GPIO_MAP_Y;
+ else
+ offset = GPIO_MAP_X;
+
+ spin_lock_irqsave(&chip->lock, flags);
+ val = inl(chip->base + offset);
+
+ /* Clear whatever was there before */
+ val &= ~(0xF << shift);
+
+ /* Set the new value */
+ val |= ((pair & 7) << shift);
+
+ /* Set the PME bit if this is a PME event */
+ if (pme)
+ val |= (1 << (shift + 3));
+
+ outl(val, chip->base + offset);
+ spin_unlock_irqrestore(&chip->lock, flags);
+}
+EXPORT_SYMBOL_GPL(cs5535_gpio_setup_event);
+
/*
* Generic gpio_chip API support.
*/
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 21da9c19a0cb..649550e2cae9 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1281,6 +1281,9 @@ int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
err = gpio_direction_output(gpio,
(flags & GPIOF_INIT_HIGH) ? 1 : 0);
+ if (err)
+ gpio_free(gpio);
+
return err;
}
EXPORT_SYMBOL_GPL(gpio_request_one);
diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c
index 64db9dc3a275..d81cc748e77f 100644
--- a/drivers/gpio/langwell_gpio.c
+++ b/drivers/gpio/langwell_gpio.c
@@ -134,10 +134,10 @@ static int lnw_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
return lnw->irq_base + offset;
}
-static int lnw_irq_type(unsigned irq, unsigned type)
+static int lnw_irq_type(struct irq_data *d, unsigned type)
{
- struct lnw_gpio *lnw = get_irq_chip_data(irq);
- u32 gpio = irq - lnw->irq_base;
+ struct lnw_gpio *lnw = irq_data_get_irq_chip_data(d);
+ u32 gpio = d->irq - lnw->irq_base;
unsigned long flags;
u32 value;
void __iomem *grer = gpio_reg(&lnw->chip, gpio, GRER);
@@ -162,19 +162,19 @@ static int lnw_irq_type(unsigned irq, unsigned type)
return 0;
}
-static void lnw_irq_unmask(unsigned irq)
+static void lnw_irq_unmask(struct irq_data *d)
{
}
-static void lnw_irq_mask(unsigned irq)
+static void lnw_irq_mask(struct irq_data *d)
{
}
static struct irq_chip lnw_irqchip = {
.name = "LNW-GPIO",
- .mask = lnw_irq_mask,
- .unmask = lnw_irq_unmask,
- .set_type = lnw_irq_type,
+ .irq_mask = lnw_irq_mask,
+ .irq_unmask = lnw_irq_unmask,
+ .irq_set_type = lnw_irq_type,
};
static DEFINE_PCI_DEVICE_TABLE(lnw_gpio_ids) = { /* pin number */
diff --git a/drivers/gpio/max732x.c b/drivers/gpio/max732x.c
index 9cad60f9e962..9e1d01f0071a 100644
--- a/drivers/gpio/max732x.c
+++ b/drivers/gpio/max732x.c
@@ -327,40 +327,40 @@ static int max732x_gpio_to_irq(struct gpio_chip *gc, unsigned off)
return chip->irq_base + off;
}
-static void max732x_irq_mask(unsigned int irq)
+static void max732x_irq_mask(struct irq_data *d)
{
- struct max732x_chip *chip = get_irq_chip_data(irq);
+ struct max732x_chip *chip = irq_data_get_irq_chip_data(d);
- chip->irq_mask_cur &= ~(1 << (irq - chip->irq_base));
+ chip->irq_mask_cur &= ~(1 << (d->irq - chip->irq_base));
}
-static void max732x_irq_unmask(unsigned int irq)
+static void max732x_irq_unmask(struct irq_data *d)
{
- struct max732x_chip *chip = get_irq_chip_data(irq);
+ struct max732x_chip *chip = irq_data_get_irq_chip_data(d);
- chip->irq_mask_cur |= 1 << (irq - chip->irq_base);
+ chip->irq_mask_cur |= 1 << (d->irq - chip->irq_base);
}
-static void max732x_irq_bus_lock(unsigned int irq)
+static void max732x_irq_bus_lock(struct irq_data *d)
{
- struct max732x_chip *chip = get_irq_chip_data(irq);
+ struct max732x_chip *chip = irq_data_get_irq_chip_data(d);
mutex_lock(&chip->irq_lock);
chip->irq_mask_cur = chip->irq_mask;
}
-static void max732x_irq_bus_sync_unlock(unsigned int irq)
+static void max732x_irq_bus_sync_unlock(struct irq_data *d)
{
- struct max732x_chip *chip = get_irq_chip_data(irq);
+ struct max732x_chip *chip = irq_data_get_irq_chip_data(d);
max732x_irq_update_mask(chip);
mutex_unlock(&chip->irq_lock);
}
-static int max732x_irq_set_type(unsigned int irq, unsigned int type)
+static int max732x_irq_set_type(struct irq_data *d, unsigned int type)
{
- struct max732x_chip *chip = get_irq_chip_data(irq);
- uint16_t off = irq - chip->irq_base;
+ struct max732x_chip *chip = irq_data_get_irq_chip_data(d);
+ uint16_t off = d->irq - chip->irq_base;
uint16_t mask = 1 << off;
if (!(mask & chip->dir_input)) {
@@ -371,7 +371,7 @@ static int max732x_irq_set_type(unsigned int irq, unsigned int type)
if (!(type & IRQ_TYPE_EDGE_BOTH)) {
dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
- irq, type);
+ d->irq, type);
return -EINVAL;
}
@@ -390,11 +390,11 @@ static int max732x_irq_set_type(unsigned int irq, unsigned int type)
static struct irq_chip max732x_irq_chip = {
.name = "max732x",
- .mask = max732x_irq_mask,
- .unmask = max732x_irq_unmask,
- .bus_lock = max732x_irq_bus_lock,
- .bus_sync_unlock = max732x_irq_bus_sync_unlock,
- .set_type = max732x_irq_set_type,
+ .irq_mask = max732x_irq_mask,
+ .irq_unmask = max732x_irq_unmask,
+ .irq_bus_lock = max732x_irq_bus_lock,
+ .irq_bus_sync_unlock = max732x_irq_bus_sync_unlock,
+ .irq_set_type = max732x_irq_set_type,
};
static uint8_t max732x_irq_pending(struct max732x_chip *chip)
diff --git a/drivers/gpio/ml_ioh_gpio.c b/drivers/gpio/ml_ioh_gpio.c
new file mode 100644
index 000000000000..cead8e6ff345
--- /dev/null
+++ b/drivers/gpio/ml_ioh_gpio.c
@@ -0,0 +1,352 @@
+/*
+ * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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/pci.h>
+#include <linux/gpio.h>
+
+#define PCI_VENDOR_ID_ROHM 0x10DB
+
+struct ioh_reg_comn {
+ u32 ien;
+ u32 istatus;
+ u32 idisp;
+ u32 iclr;
+ u32 imask;
+ u32 imaskclr;
+ u32 po;
+ u32 pi;
+ u32 pm;
+ u32 im_0;
+ u32 im_1;
+ u32 reserved;
+};
+
+struct ioh_regs {
+ struct ioh_reg_comn regs[8];
+ u32 reserve1[16];
+ u32 ioh_sel_reg[4];
+ u32 reserve2[11];
+ u32 srst;
+};
+
+/**
+ * struct ioh_gpio_reg_data - The register store data.
+ * @po_reg: To store contents of PO register.
+ * @pm_reg: To store contents of PM register.
+ */
+struct ioh_gpio_reg_data {
+ u32 po_reg;
+ u32 pm_reg;
+};
+
+/**
+ * struct ioh_gpio - GPIO private data structure.
+ * @base: PCI base address of Memory mapped I/O register.
+ * @reg: Memory mapped IOH GPIO register list.
+ * @dev: Pointer to device structure.
+ * @gpio: Data for GPIO infrastructure.
+ * @ioh_gpio_reg: Memory mapped Register data is saved here
+ * when suspend.
+ * @ch: Indicate GPIO channel
+ */
+struct ioh_gpio {
+ void __iomem *base;
+ struct ioh_regs __iomem *reg;
+ struct device *dev;
+ struct gpio_chip gpio;
+ struct ioh_gpio_reg_data ioh_gpio_reg;
+ struct mutex lock;
+ int ch;
+};
+
+static const int num_ports[] = {6, 12, 16, 16, 15, 16, 16, 12};
+
+static void ioh_gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
+{
+ u32 reg_val;
+ struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+
+ mutex_lock(&chip->lock);
+ reg_val = ioread32(&chip->reg->regs[chip->ch].po);
+ if (val)
+ reg_val |= (1 << nr);
+ else
+ reg_val &= ~(1 << nr);
+
+ iowrite32(reg_val, &chip->reg->regs[chip->ch].po);
+ mutex_unlock(&chip->lock);
+}
+
+static int ioh_gpio_get(struct gpio_chip *gpio, unsigned nr)
+{
+ struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+
+ return ioread32(&chip->reg->regs[chip->ch].pi) & (1 << nr);
+}
+
+static int ioh_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
+ int val)
+{
+ struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ u32 pm;
+ u32 reg_val;
+
+ mutex_lock(&chip->lock);
+ pm = ioread32(&chip->reg->regs[chip->ch].pm) &
+ ((1 << num_ports[chip->ch]) - 1);
+ pm |= (1 << nr);
+ iowrite32(pm, &chip->reg->regs[chip->ch].pm);
+
+ reg_val = ioread32(&chip->reg->regs[chip->ch].po);
+ if (val)
+ reg_val |= (1 << nr);
+ else
+ reg_val &= ~(1 << nr);
+
+ mutex_unlock(&chip->lock);
+
+ return 0;
+}
+
+static int ioh_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
+{
+ struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ u32 pm;
+
+ mutex_lock(&chip->lock);
+ pm = ioread32(&chip->reg->regs[chip->ch].pm) &
+ ((1 << num_ports[chip->ch]) - 1);
+ pm &= ~(1 << nr);
+ iowrite32(pm, &chip->reg->regs[chip->ch].pm);
+ mutex_unlock(&chip->lock);
+
+ return 0;
+}
+
+/*
+ * Save register configuration and disable interrupts.
+ */
+static void ioh_gpio_save_reg_conf(struct ioh_gpio *chip)
+{
+ chip->ioh_gpio_reg.po_reg = ioread32(&chip->reg->regs[chip->ch].po);
+ chip->ioh_gpio_reg.pm_reg = ioread32(&chip->reg->regs[chip->ch].pm);
+}
+
+/*
+ * This function restores the register configuration of the GPIO device.
+ */
+static void ioh_gpio_restore_reg_conf(struct ioh_gpio *chip)
+{
+ /* to store contents of PO register */
+ iowrite32(chip->ioh_gpio_reg.po_reg, &chip->reg->regs[chip->ch].po);
+ /* to store contents of PM register */
+ iowrite32(chip->ioh_gpio_reg.pm_reg, &chip->reg->regs[chip->ch].pm);
+}
+
+static void ioh_gpio_setup(struct ioh_gpio *chip, int num_port)
+{
+ struct gpio_chip *gpio = &chip->gpio;
+
+ gpio->label = dev_name(chip->dev);
+ gpio->owner = THIS_MODULE;
+ gpio->direction_input = ioh_gpio_direction_input;
+ gpio->get = ioh_gpio_get;
+ gpio->direction_output = ioh_gpio_direction_output;
+ gpio->set = ioh_gpio_set;
+ gpio->dbg_show = NULL;
+ gpio->base = -1;
+ gpio->ngpio = num_port;
+ gpio->can_sleep = 0;
+}
+
+static int __devinit ioh_gpio_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ int ret;
+ int i;
+ struct ioh_gpio *chip;
+ void __iomem *base;
+ void __iomem *chip_save;
+
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "%s : pci_enable_device failed", __func__);
+ goto err_pci_enable;
+ }
+
+ ret = pci_request_regions(pdev, KBUILD_MODNAME);
+ if (ret) {
+ dev_err(&pdev->dev, "pci_request_regions failed-%d", ret);
+ goto err_request_regions;
+ }
+
+ base = pci_iomap(pdev, 1, 0);
+ if (base == 0) {
+ dev_err(&pdev->dev, "%s : pci_iomap failed", __func__);
+ ret = -ENOMEM;
+ goto err_iomap;
+ }
+
+ chip_save = kzalloc(sizeof(*chip) * 8, GFP_KERNEL);
+ if (chip_save == NULL) {
+ dev_err(&pdev->dev, "%s : kzalloc failed", __func__);
+ ret = -ENOMEM;
+ goto err_kzalloc;
+ }
+
+ chip = chip_save;
+ for (i = 0; i < 8; i++, chip++) {
+ chip->dev = &pdev->dev;
+ chip->base = base;
+ chip->reg = chip->base;
+ chip->ch = i;
+ mutex_init(&chip->lock);
+ ioh_gpio_setup(chip, num_ports[i]);
+ ret = gpiochip_add(&chip->gpio);
+ if (ret) {
+ dev_err(&pdev->dev, "IOH gpio: Failed to register GPIO\n");
+ goto err_gpiochip_add;
+ }
+ }
+
+ chip = chip_save;
+ pci_set_drvdata(pdev, chip);
+
+ return 0;
+
+err_gpiochip_add:
+ for (; i != 0; i--) {
+ chip--;
+ ret = gpiochip_remove(&chip->gpio);
+ if (ret)
+ dev_err(&pdev->dev, "Failed gpiochip_remove(%d)\n", i);
+ }
+ kfree(chip_save);
+
+err_kzalloc:
+ pci_iounmap(pdev, base);
+
+err_iomap:
+ pci_release_regions(pdev);
+
+err_request_regions:
+ pci_disable_device(pdev);
+
+err_pci_enable:
+
+ dev_err(&pdev->dev, "%s Failed returns %d\n", __func__, ret);
+ return ret;
+}
+
+static void __devexit ioh_gpio_remove(struct pci_dev *pdev)
+{
+ int err;
+ int i;
+ struct ioh_gpio *chip = pci_get_drvdata(pdev);
+ void __iomem *chip_save;
+
+ chip_save = chip;
+ for (i = 0; i < 8; i++, chip++) {
+ err = gpiochip_remove(&chip->gpio);
+ if (err)
+ dev_err(&pdev->dev, "Failed gpiochip_remove\n");
+ }
+
+ chip = chip_save;
+ pci_iounmap(pdev, chip->base);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ kfree(chip);
+}
+
+#ifdef CONFIG_PM
+static int ioh_gpio_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ s32 ret;
+ struct ioh_gpio *chip = pci_get_drvdata(pdev);
+
+ ioh_gpio_save_reg_conf(chip);
+ ioh_gpio_restore_reg_conf(chip);
+
+ ret = pci_save_state(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "pci_save_state Failed-%d\n", ret);
+ return ret;
+ }
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D0);
+ ret = pci_enable_wake(pdev, PCI_D0, 1);
+ if (ret)
+ dev_err(&pdev->dev, "pci_enable_wake Failed -%d\n", ret);
+
+ return 0;
+}
+
+static int ioh_gpio_resume(struct pci_dev *pdev)
+{
+ s32 ret;
+ struct ioh_gpio *chip = pci_get_drvdata(pdev);
+
+ ret = pci_enable_wake(pdev, PCI_D0, 0);
+
+ pci_set_power_state(pdev, PCI_D0);
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ dev_err(&pdev->dev, "pci_enable_device Failed-%d ", ret);
+ return ret;
+ }
+ pci_restore_state(pdev);
+
+ iowrite32(0x01, &chip->reg->srst);
+ iowrite32(0x00, &chip->reg->srst);
+ ioh_gpio_restore_reg_conf(chip);
+
+ return 0;
+}
+#else
+#define ioh_gpio_suspend NULL
+#define ioh_gpio_resume NULL
+#endif
+
+static DEFINE_PCI_DEVICE_TABLE(ioh_gpio_pcidev_id) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x802E) },
+ { 0, }
+};
+
+static struct pci_driver ioh_gpio_driver = {
+ .name = "ml_ioh_gpio",
+ .id_table = ioh_gpio_pcidev_id,
+ .probe = ioh_gpio_probe,
+ .remove = __devexit_p(ioh_gpio_remove),
+ .suspend = ioh_gpio_suspend,
+ .resume = ioh_gpio_resume
+};
+
+static int __init ioh_gpio_pci_init(void)
+{
+ return pci_register_driver(&ioh_gpio_driver);
+}
+module_init(ioh_gpio_pci_init);
+
+static void __exit ioh_gpio_pci_exit(void)
+{
+ pci_unregister_driver(&ioh_gpio_driver);
+}
+module_exit(ioh_gpio_pci_exit);
+
+MODULE_DESCRIPTION("OKI SEMICONDUCTOR ML-IOH series GPIO Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 501866662e05..a261972f603d 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -228,30 +228,30 @@ static int pca953x_gpio_to_irq(struct gpio_chip *gc, unsigned off)
return chip->irq_base + off;
}
-static void pca953x_irq_mask(unsigned int irq)
+static void pca953x_irq_mask(struct irq_data *d)
{
- struct pca953x_chip *chip = get_irq_chip_data(irq);
+ struct pca953x_chip *chip = irq_data_get_irq_chip_data(d);
- chip->irq_mask &= ~(1 << (irq - chip->irq_base));
+ chip->irq_mask &= ~(1 << (d->irq - chip->irq_base));
}
-static void pca953x_irq_unmask(unsigned int irq)
+static void pca953x_irq_unmask(struct irq_data *d)
{
- struct pca953x_chip *chip = get_irq_chip_data(irq);
+ struct pca953x_chip *chip = irq_data_get_irq_chip_data(d);
- chip->irq_mask |= 1 << (irq - chip->irq_base);
+ chip->irq_mask |= 1 << (d->irq - chip->irq_base);
}
-static void pca953x_irq_bus_lock(unsigned int irq)
+static void pca953x_irq_bus_lock(struct irq_data *d)
{
- struct pca953x_chip *chip = get_irq_chip_data(irq);
+ struct pca953x_chip *chip = irq_data_get_irq_chip_data(d);
mutex_lock(&chip->irq_lock);
}
-static void pca953x_irq_bus_sync_unlock(unsigned int irq)
+static void pca953x_irq_bus_sync_unlock(struct irq_data *d)
{
- struct pca953x_chip *chip = get_irq_chip_data(irq);
+ struct pca953x_chip *chip = irq_data_get_irq_chip_data(d);
uint16_t new_irqs;
uint16_t level;
@@ -268,15 +268,15 @@ static void pca953x_irq_bus_sync_unlock(unsigned int irq)
mutex_unlock(&chip->irq_lock);
}
-static int pca953x_irq_set_type(unsigned int irq, unsigned int type)
+static int pca953x_irq_set_type(struct irq_data *d, unsigned int type)
{
- struct pca953x_chip *chip = get_irq_chip_data(irq);
- uint16_t level = irq - chip->irq_base;
+ struct pca953x_chip *chip = irq_data_get_irq_chip_data(d);
+ uint16_t level = d->irq - chip->irq_base;
uint16_t mask = 1 << level;
if (!(type & IRQ_TYPE_EDGE_BOTH)) {
dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
- irq, type);
+ d->irq, type);
return -EINVAL;
}
@@ -295,11 +295,11 @@ static int pca953x_irq_set_type(unsigned int irq, unsigned int type)
static struct irq_chip pca953x_irq_chip = {
.name = "pca953x",
- .mask = pca953x_irq_mask,
- .unmask = pca953x_irq_unmask,
- .bus_lock = pca953x_irq_bus_lock,
- .bus_sync_unlock = pca953x_irq_bus_sync_unlock,
- .set_type = pca953x_irq_set_type,
+ .irq_mask = pca953x_irq_mask,
+ .irq_unmask = pca953x_irq_unmask,
+ .irq_bus_lock = pca953x_irq_bus_lock,
+ .irq_bus_sync_unlock = pca953x_irq_bus_sync_unlock,
+ .irq_set_type = pca953x_irq_set_type,
};
static uint16_t pca953x_irq_pending(struct pca953x_chip *chip)
diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index 5005990f751f..2975d22daffe 100644
--- a/drivers/gpio/pl061.c
+++ b/drivers/gpio/pl061.c
@@ -129,10 +129,10 @@ static int pl061_to_irq(struct gpio_chip *gc, unsigned offset)
/*
* PL061 GPIO IRQ
*/
-static void pl061_irq_disable(unsigned irq)
+static void pl061_irq_disable(struct irq_data *d)
{
- struct pl061_gpio *chip = get_irq_chip_data(irq);
- int offset = irq - chip->irq_base;
+ struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - chip->irq_base;
unsigned long flags;
u8 gpioie;
@@ -143,10 +143,10 @@ static void pl061_irq_disable(unsigned irq)
spin_unlock_irqrestore(&chip->irq_lock, flags);
}
-static void pl061_irq_enable(unsigned irq)
+static void pl061_irq_enable(struct irq_data *d)
{
- struct pl061_gpio *chip = get_irq_chip_data(irq);
- int offset = irq - chip->irq_base;
+ struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - chip->irq_base;
unsigned long flags;
u8 gpioie;
@@ -157,10 +157,10 @@ static void pl061_irq_enable(unsigned irq)
spin_unlock_irqrestore(&chip->irq_lock, flags);
}
-static int pl061_irq_type(unsigned irq, unsigned trigger)
+static int pl061_irq_type(struct irq_data *d, unsigned trigger)
{
- struct pl061_gpio *chip = get_irq_chip_data(irq);
- int offset = irq - chip->irq_base;
+ struct pl061_gpio *chip = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - chip->irq_base;
unsigned long flags;
u8 gpiois, gpioibe, gpioiev;
@@ -203,9 +203,9 @@ static int pl061_irq_type(unsigned irq, unsigned trigger)
static struct irq_chip pl061_irqchip = {
.name = "GPIO",
- .enable = pl061_irq_enable,
- .disable = pl061_irq_disable,
- .set_type = pl061_irq_type,
+ .irq_enable = pl061_irq_enable,
+ .irq_disable = pl061_irq_disable,
+ .irq_set_type = pl061_irq_type,
};
static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
@@ -214,7 +214,7 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
struct list_head *ptr;
struct pl061_gpio *chip;
- desc->chip->ack(irq);
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
list_for_each(ptr, chip_list) {
unsigned long pending;
int offset;
@@ -229,7 +229,7 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
for_each_set_bit(offset, &pending, PL061_GPIO_NR)
generic_handle_irq(pl061_to_irq(&chip->gc, offset));
}
- desc->chip->unmask(irq);
+ desc->irq_data.chip->irq_unmask(&desc->irq_data);
}
static int pl061_probe(struct amba_device *dev, struct amba_id *id)
diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c
index 2762698e0204..897e0577e65e 100644
--- a/drivers/gpio/rdc321x-gpio.c
+++ b/drivers/gpio/rdc321x-gpio.c
@@ -135,7 +135,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
struct rdc321x_gpio *rdc321x_gpio_dev;
struct rdc321x_gpio_pdata *pdata;
- pdata = pdev->dev.platform_data;
+ pdata = platform_get_drvdata(pdev);
if (!pdata) {
dev_err(&pdev->dev, "no platform data supplied\n");
return -ENODEV;
diff --git a/drivers/gpio/stmpe-gpio.c b/drivers/gpio/stmpe-gpio.c
index 7c9e6a052c45..eb2901f8ab5e 100644
--- a/drivers/gpio/stmpe-gpio.c
+++ b/drivers/gpio/stmpe-gpio.c
@@ -122,10 +122,10 @@ static struct gpio_chip template_chip = {
.can_sleep = 1,
};
-static int stmpe_gpio_irq_set_type(unsigned int irq, unsigned int type)
+static int stmpe_gpio_irq_set_type(struct irq_data *d, unsigned int type)
{
- struct stmpe_gpio *stmpe_gpio = get_irq_chip_data(irq);
- int offset = irq - stmpe_gpio->irq_base;
+ struct stmpe_gpio *stmpe_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - stmpe_gpio->irq_base;
int regoffset = offset / 8;
int mask = 1 << (offset % 8);
@@ -145,16 +145,16 @@ static int stmpe_gpio_irq_set_type(unsigned int irq, unsigned int type)
return 0;
}
-static void stmpe_gpio_irq_lock(unsigned int irq)
+static void stmpe_gpio_irq_lock(struct irq_data *d)
{
- struct stmpe_gpio *stmpe_gpio = get_irq_chip_data(irq);
+ struct stmpe_gpio *stmpe_gpio = irq_data_get_irq_chip_data(d);
mutex_lock(&stmpe_gpio->irq_lock);
}
-static void stmpe_gpio_irq_sync_unlock(unsigned int irq)
+static void stmpe_gpio_irq_sync_unlock(struct irq_data *d)
{
- struct stmpe_gpio *stmpe_gpio = get_irq_chip_data(irq);
+ struct stmpe_gpio *stmpe_gpio = irq_data_get_irq_chip_data(d);
struct stmpe *stmpe = stmpe_gpio->stmpe;
int num_banks = DIV_ROUND_UP(stmpe->num_gpios, 8);
static const u8 regmap[] = {
@@ -180,20 +180,20 @@ static void stmpe_gpio_irq_sync_unlock(unsigned int irq)
mutex_unlock(&stmpe_gpio->irq_lock);
}
-static void stmpe_gpio_irq_mask(unsigned int irq)
+static void stmpe_gpio_irq_mask(struct irq_data *d)
{
- struct stmpe_gpio *stmpe_gpio = get_irq_chip_data(irq);
- int offset = irq - stmpe_gpio->irq_base;
+ struct stmpe_gpio *stmpe_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - stmpe_gpio->irq_base;
int regoffset = offset / 8;
int mask = 1 << (offset % 8);
stmpe_gpio->regs[REG_IE][regoffset] &= ~mask;
}
-static void stmpe_gpio_irq_unmask(unsigned int irq)
+static void stmpe_gpio_irq_unmask(struct irq_data *d)
{
- struct stmpe_gpio *stmpe_gpio = get_irq_chip_data(irq);
- int offset = irq - stmpe_gpio->irq_base;
+ struct stmpe_gpio *stmpe_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - stmpe_gpio->irq_base;
int regoffset = offset / 8;
int mask = 1 << (offset % 8);
@@ -202,11 +202,11 @@ static void stmpe_gpio_irq_unmask(unsigned int irq)
static struct irq_chip stmpe_gpio_irq_chip = {
.name = "stmpe-gpio",
- .bus_lock = stmpe_gpio_irq_lock,
- .bus_sync_unlock = stmpe_gpio_irq_sync_unlock,
- .mask = stmpe_gpio_irq_mask,
- .unmask = stmpe_gpio_irq_unmask,
- .set_type = stmpe_gpio_irq_set_type,
+ .irq_bus_lock = stmpe_gpio_irq_lock,
+ .irq_bus_sync_unlock = stmpe_gpio_irq_sync_unlock,
+ .irq_mask = stmpe_gpio_irq_mask,
+ .irq_unmask = stmpe_gpio_irq_unmask,
+ .irq_set_type = stmpe_gpio_irq_set_type,
};
static irqreturn_t stmpe_gpio_irq(int irq, void *dev)
diff --git a/drivers/gpio/sx150x.c b/drivers/gpio/sx150x.c
index 823559ab0e24..e60be0015c9b 100644
--- a/drivers/gpio/sx150x.c
+++ b/drivers/gpio/sx150x.c
@@ -304,36 +304,36 @@ static int sx150x_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
return chip->irq_base + offset;
}
-static void sx150x_irq_mask(unsigned int irq)
+static void sx150x_irq_mask(struct irq_data *d)
{
- struct irq_chip *ic = get_irq_chip(irq);
+ struct irq_chip *ic = irq_data_get_irq_chip(d);
struct sx150x_chip *chip;
unsigned n;
chip = container_of(ic, struct sx150x_chip, irq_chip);
- n = irq - chip->irq_base;
+ n = d->irq - chip->irq_base;
sx150x_write_cfg(chip, n, 1, chip->dev_cfg->reg_irq_mask, 1);
sx150x_write_cfg(chip, n, 2, chip->dev_cfg->reg_sense, 0);
}
-static void sx150x_irq_unmask(unsigned int irq)
+static void sx150x_irq_unmask(struct irq_data *d)
{
- struct irq_chip *ic = get_irq_chip(irq);
+ struct irq_chip *ic = irq_data_get_irq_chip(d);
struct sx150x_chip *chip;
unsigned n;
chip = container_of(ic, struct sx150x_chip, irq_chip);
- n = irq - chip->irq_base;
+ n = d->irq - chip->irq_base;
sx150x_write_cfg(chip, n, 1, chip->dev_cfg->reg_irq_mask, 0);
sx150x_write_cfg(chip, n, 2, chip->dev_cfg->reg_sense,
chip->irq_sense >> (n * 2));
}
-static int sx150x_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int sx150x_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
- struct irq_chip *ic = get_irq_chip(irq);
+ struct irq_chip *ic = irq_data_get_irq_chip(d);
struct sx150x_chip *chip;
unsigned n, val = 0;
@@ -341,7 +341,7 @@ static int sx150x_irq_set_type(unsigned int irq, unsigned int flow_type)
return -EINVAL;
chip = container_of(ic, struct sx150x_chip, irq_chip);
- n = irq - chip->irq_base;
+ n = d->irq - chip->irq_base;
if (flow_type & IRQ_TYPE_EDGE_RISING)
val |= 0x1;
@@ -386,9 +386,9 @@ static irqreturn_t sx150x_irq_thread_fn(int irq, void *dev_id)
return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
}
-static void sx150x_irq_bus_lock(unsigned int irq)
+static void sx150x_irq_bus_lock(struct irq_data *d)
{
- struct irq_chip *ic = get_irq_chip(irq);
+ struct irq_chip *ic = irq_data_get_irq_chip(d);
struct sx150x_chip *chip;
chip = container_of(ic, struct sx150x_chip, irq_chip);
@@ -396,9 +396,9 @@ static void sx150x_irq_bus_lock(unsigned int irq)
mutex_lock(&chip->lock);
}
-static void sx150x_irq_bus_sync_unlock(unsigned int irq)
+static void sx150x_irq_bus_sync_unlock(struct irq_data *d)
{
- struct irq_chip *ic = get_irq_chip(irq);
+ struct irq_chip *ic = irq_data_get_irq_chip(d);
struct sx150x_chip *chip;
unsigned n;
@@ -437,16 +437,16 @@ static void sx150x_init_chip(struct sx150x_chip *chip,
if (pdata->oscio_is_gpo)
++chip->gpio_chip.ngpio;
- chip->irq_chip.name = client->name;
- chip->irq_chip.mask = sx150x_irq_mask;
- chip->irq_chip.unmask = sx150x_irq_unmask;
- chip->irq_chip.set_type = sx150x_irq_set_type;
- chip->irq_chip.bus_lock = sx150x_irq_bus_lock;
- chip->irq_chip.bus_sync_unlock = sx150x_irq_bus_sync_unlock;
- chip->irq_summary = -1;
- chip->irq_base = -1;
- chip->irq_sense = 0;
- chip->irq_set_type_pending = 0;
+ chip->irq_chip.name = client->name;
+ chip->irq_chip.irq_mask = sx150x_irq_mask;
+ chip->irq_chip.irq_unmask = sx150x_irq_unmask;
+ chip->irq_chip.irq_set_type = sx150x_irq_set_type;
+ chip->irq_chip.irq_bus_lock = sx150x_irq_bus_lock;
+ chip->irq_chip.irq_bus_sync_unlock = sx150x_irq_bus_sync_unlock;
+ chip->irq_summary = -1;
+ chip->irq_base = -1;
+ chip->irq_sense = 0;
+ chip->irq_set_type_pending = 0;
}
static int sx150x_init_io(struct sx150x_chip *chip, u8 base, u16 cfg)
diff --git a/drivers/gpio/tc35892-gpio.c b/drivers/gpio/tc35892-gpio.c
deleted file mode 100644
index 7e10c935a047..000000000000
--- a/drivers/gpio/tc35892-gpio.c
+++ /dev/null
@@ -1,389 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * License Terms: GNU General Public License, version 2
- * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/mfd/tc35892.h>
-
-/*
- * These registers are modified under the irq bus lock and cached to avoid
- * unnecessary writes in bus_sync_unlock.
- */
-enum { REG_IBE, REG_IEV, REG_IS, REG_IE };
-
-#define CACHE_NR_REGS 4
-#define CACHE_NR_BANKS 3
-
-struct tc35892_gpio {
- struct gpio_chip chip;
- struct tc35892 *tc35892;
- struct device *dev;
- struct mutex irq_lock;
-
- int irq_base;
-
- /* Caches of interrupt control registers for bus_lock */
- u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
- u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
-};
-
-static inline struct tc35892_gpio *to_tc35892_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct tc35892_gpio, chip);
-}
-
-static int tc35892_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
- struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
- u8 mask = 1 << (offset % 8);
- int ret;
-
- ret = tc35892_reg_read(tc35892, reg);
- if (ret < 0)
- return ret;
-
- return ret & mask;
-}
-
-static void tc35892_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
-{
- struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- u8 reg = TC35892_GPIODATA0 + (offset / 8) * 2;
- unsigned pos = offset % 8;
- u8 data[] = {!!val << pos, 1 << pos};
-
- tc35892_block_write(tc35892, reg, ARRAY_SIZE(data), data);
-}
-
-static int tc35892_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int val)
-{
- struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- u8 reg = TC35892_GPIODIR0 + offset / 8;
- unsigned pos = offset % 8;
-
- tc35892_gpio_set(chip, offset, val);
-
- return tc35892_set_bits(tc35892, reg, 1 << pos, 1 << pos);
-}
-
-static int tc35892_gpio_direction_input(struct gpio_chip *chip,
- unsigned offset)
-{
- struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- u8 reg = TC35892_GPIODIR0 + offset / 8;
- unsigned pos = offset % 8;
-
- return tc35892_set_bits(tc35892, reg, 1 << pos, 0);
-}
-
-static int tc35892_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
- struct tc35892_gpio *tc35892_gpio = to_tc35892_gpio(chip);
-
- return tc35892_gpio->irq_base + offset;
-}
-
-static struct gpio_chip template_chip = {
- .label = "tc35892",
- .owner = THIS_MODULE,
- .direction_input = tc35892_gpio_direction_input,
- .get = tc35892_gpio_get,
- .direction_output = tc35892_gpio_direction_output,
- .set = tc35892_gpio_set,
- .to_irq = tc35892_gpio_to_irq,
- .can_sleep = 1,
-};
-
-static int tc35892_gpio_irq_set_type(unsigned int irq, unsigned int type)
-{
- struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
- int offset = irq - tc35892_gpio->irq_base;
- int regoffset = offset / 8;
- int mask = 1 << (offset % 8);
-
- if (type == IRQ_TYPE_EDGE_BOTH) {
- tc35892_gpio->regs[REG_IBE][regoffset] |= mask;
- return 0;
- }
-
- tc35892_gpio->regs[REG_IBE][regoffset] &= ~mask;
-
- if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH)
- tc35892_gpio->regs[REG_IS][regoffset] |= mask;
- else
- tc35892_gpio->regs[REG_IS][regoffset] &= ~mask;
-
- if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
- tc35892_gpio->regs[REG_IEV][regoffset] |= mask;
- else
- tc35892_gpio->regs[REG_IEV][regoffset] &= ~mask;
-
- return 0;
-}
-
-static void tc35892_gpio_irq_lock(unsigned int irq)
-{
- struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
-
- mutex_lock(&tc35892_gpio->irq_lock);
-}
-
-static void tc35892_gpio_irq_sync_unlock(unsigned int irq)
-{
- struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- static const u8 regmap[] = {
- [REG_IBE] = TC35892_GPIOIBE0,
- [REG_IEV] = TC35892_GPIOIEV0,
- [REG_IS] = TC35892_GPIOIS0,
- [REG_IE] = TC35892_GPIOIE0,
- };
- int i, j;
-
- for (i = 0; i < CACHE_NR_REGS; i++) {
- for (j = 0; j < CACHE_NR_BANKS; j++) {
- u8 old = tc35892_gpio->oldregs[i][j];
- u8 new = tc35892_gpio->regs[i][j];
-
- if (new == old)
- continue;
-
- tc35892_gpio->oldregs[i][j] = new;
- tc35892_reg_write(tc35892, regmap[i] + j * 8, new);
- }
- }
-
- mutex_unlock(&tc35892_gpio->irq_lock);
-}
-
-static void tc35892_gpio_irq_mask(unsigned int irq)
-{
- struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
- int offset = irq - tc35892_gpio->irq_base;
- int regoffset = offset / 8;
- int mask = 1 << (offset % 8);
-
- tc35892_gpio->regs[REG_IE][regoffset] &= ~mask;
-}
-
-static void tc35892_gpio_irq_unmask(unsigned int irq)
-{
- struct tc35892_gpio *tc35892_gpio = get_irq_chip_data(irq);
- int offset = irq - tc35892_gpio->irq_base;
- int regoffset = offset / 8;
- int mask = 1 << (offset % 8);
-
- tc35892_gpio->regs[REG_IE][regoffset] |= mask;
-}
-
-static struct irq_chip tc35892_gpio_irq_chip = {
- .name = "tc35892-gpio",
- .bus_lock = tc35892_gpio_irq_lock,
- .bus_sync_unlock = tc35892_gpio_irq_sync_unlock,
- .mask = tc35892_gpio_irq_mask,
- .unmask = tc35892_gpio_irq_unmask,
- .set_type = tc35892_gpio_irq_set_type,
-};
-
-static irqreturn_t tc35892_gpio_irq(int irq, void *dev)
-{
- struct tc35892_gpio *tc35892_gpio = dev;
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- u8 status[CACHE_NR_BANKS];
- int ret;
- int i;
-
- ret = tc35892_block_read(tc35892, TC35892_GPIOMIS0,
- ARRAY_SIZE(status), status);
- if (ret < 0)
- return IRQ_NONE;
-
- for (i = 0; i < ARRAY_SIZE(status); i++) {
- unsigned int stat = status[i];
- if (!stat)
- continue;
-
- while (stat) {
- int bit = __ffs(stat);
- int line = i * 8 + bit;
-
- handle_nested_irq(tc35892_gpio->irq_base + line);
- stat &= ~(1 << bit);
- }
-
- tc35892_reg_write(tc35892, TC35892_GPIOIC0 + i, status[i]);
- }
-
- return IRQ_HANDLED;
-}
-
-static int tc35892_gpio_irq_init(struct tc35892_gpio *tc35892_gpio)
-{
- int base = tc35892_gpio->irq_base;
- int irq;
-
- for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
- set_irq_chip_data(irq, tc35892_gpio);
- set_irq_chip_and_handler(irq, &tc35892_gpio_irq_chip,
- handle_simple_irq);
- set_irq_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
- set_irq_flags(irq, IRQF_VALID);
-#else
- set_irq_noprobe(irq);
-#endif
- }
-
- return 0;
-}
-
-static void tc35892_gpio_irq_remove(struct tc35892_gpio *tc35892_gpio)
-{
- int base = tc35892_gpio->irq_base;
- int irq;
-
- for (irq = base; irq < base + tc35892_gpio->chip.ngpio; irq++) {
-#ifdef CONFIG_ARM
- set_irq_flags(irq, 0);
-#endif
- set_irq_chip_and_handler(irq, NULL, NULL);
- set_irq_chip_data(irq, NULL);
- }
-}
-
-static int __devinit tc35892_gpio_probe(struct platform_device *pdev)
-{
- struct tc35892 *tc35892 = dev_get_drvdata(pdev->dev.parent);
- struct tc35892_gpio_platform_data *pdata;
- struct tc35892_gpio *tc35892_gpio;
- int ret;
- int irq;
-
- pdata = tc35892->pdata->gpio;
- if (!pdata)
- return -ENODEV;
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0)
- return irq;
-
- tc35892_gpio = kzalloc(sizeof(struct tc35892_gpio), GFP_KERNEL);
- if (!tc35892_gpio)
- return -ENOMEM;
-
- mutex_init(&tc35892_gpio->irq_lock);
-
- tc35892_gpio->dev = &pdev->dev;
- tc35892_gpio->tc35892 = tc35892;
-
- tc35892_gpio->chip = template_chip;
- tc35892_gpio->chip.ngpio = tc35892->num_gpio;
- tc35892_gpio->chip.dev = &pdev->dev;
- tc35892_gpio->chip.base = pdata->gpio_base;
-
- tc35892_gpio->irq_base = tc35892->irq_base + TC35892_INT_GPIO(0);
-
- /* Bring the GPIO module out of reset */
- ret = tc35892_set_bits(tc35892, TC35892_RSTCTRL,
- TC35892_RSTCTRL_GPIRST, 0);
- if (ret < 0)
- goto out_free;
-
- ret = tc35892_gpio_irq_init(tc35892_gpio);
- if (ret)
- goto out_free;
-
- ret = request_threaded_irq(irq, NULL, tc35892_gpio_irq, IRQF_ONESHOT,
- "tc35892-gpio", tc35892_gpio);
- if (ret) {
- dev_err(&pdev->dev, "unable to get irq: %d\n", ret);
- goto out_removeirq;
- }
-
- ret = gpiochip_add(&tc35892_gpio->chip);
- if (ret) {
- dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
- goto out_freeirq;
- }
-
- if (pdata->setup)
- pdata->setup(tc35892, tc35892_gpio->chip.base);
-
- platform_set_drvdata(pdev, tc35892_gpio);
-
- return 0;
-
-out_freeirq:
- free_irq(irq, tc35892_gpio);
-out_removeirq:
- tc35892_gpio_irq_remove(tc35892_gpio);
-out_free:
- kfree(tc35892_gpio);
- return ret;
-}
-
-static int __devexit tc35892_gpio_remove(struct platform_device *pdev)
-{
- struct tc35892_gpio *tc35892_gpio = platform_get_drvdata(pdev);
- struct tc35892 *tc35892 = tc35892_gpio->tc35892;
- struct tc35892_gpio_platform_data *pdata = tc35892->pdata->gpio;
- int irq = platform_get_irq(pdev, 0);
- int ret;
-
- if (pdata->remove)
- pdata->remove(tc35892, tc35892_gpio->chip.base);
-
- ret = gpiochip_remove(&tc35892_gpio->chip);
- if (ret < 0) {
- dev_err(tc35892_gpio->dev,
- "unable to remove gpiochip: %d\n", ret);
- return ret;
- }
-
- free_irq(irq, tc35892_gpio);
- tc35892_gpio_irq_remove(tc35892_gpio);
-
- platform_set_drvdata(pdev, NULL);
- kfree(tc35892_gpio);
-
- return 0;
-}
-
-static struct platform_driver tc35892_gpio_driver = {
- .driver.name = "tc35892-gpio",
- .driver.owner = THIS_MODULE,
- .probe = tc35892_gpio_probe,
- .remove = __devexit_p(tc35892_gpio_remove),
-};
-
-static int __init tc35892_gpio_init(void)
-{
- return platform_driver_register(&tc35892_gpio_driver);
-}
-subsys_initcall(tc35892_gpio_init);
-
-static void __exit tc35892_gpio_exit(void)
-{
- platform_driver_unregister(&tc35892_gpio_driver);
-}
-module_exit(tc35892_gpio_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("TC35892 GPIO driver");
-MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");
diff --git a/drivers/gpio/tc3589x-gpio.c b/drivers/gpio/tc3589x-gpio.c
new file mode 100644
index 000000000000..27200af1a595
--- /dev/null
+++ b/drivers/gpio/tc3589x-gpio.c
@@ -0,0 +1,389 @@
+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License, version 2
+ * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> for ST-Ericsson
+ * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/tc3589x.h>
+
+/*
+ * These registers are modified under the irq bus lock and cached to avoid
+ * unnecessary writes in bus_sync_unlock.
+ */
+enum { REG_IBE, REG_IEV, REG_IS, REG_IE };
+
+#define CACHE_NR_REGS 4
+#define CACHE_NR_BANKS 3
+
+struct tc3589x_gpio {
+ struct gpio_chip chip;
+ struct tc3589x *tc3589x;
+ struct device *dev;
+ struct mutex irq_lock;
+
+ int irq_base;
+
+ /* Caches of interrupt control registers for bus_lock */
+ u8 regs[CACHE_NR_REGS][CACHE_NR_BANKS];
+ u8 oldregs[CACHE_NR_REGS][CACHE_NR_BANKS];
+};
+
+static inline struct tc3589x_gpio *to_tc3589x_gpio(struct gpio_chip *chip)
+{
+ return container_of(chip, struct tc3589x_gpio, chip);
+}
+
+static int tc3589x_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2;
+ u8 mask = 1 << (offset % 8);
+ int ret;
+
+ ret = tc3589x_reg_read(tc3589x, reg);
+ if (ret < 0)
+ return ret;
+
+ return ret & mask;
+}
+
+static void tc3589x_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
+{
+ struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ u8 reg = TC3589x_GPIODATA0 + (offset / 8) * 2;
+ unsigned pos = offset % 8;
+ u8 data[] = {!!val << pos, 1 << pos};
+
+ tc3589x_block_write(tc3589x, reg, ARRAY_SIZE(data), data);
+}
+
+static int tc3589x_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int val)
+{
+ struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ u8 reg = TC3589x_GPIODIR0 + offset / 8;
+ unsigned pos = offset % 8;
+
+ tc3589x_gpio_set(chip, offset, val);
+
+ return tc3589x_set_bits(tc3589x, reg, 1 << pos, 1 << pos);
+}
+
+static int tc3589x_gpio_direction_input(struct gpio_chip *chip,
+ unsigned offset)
+{
+ struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ u8 reg = TC3589x_GPIODIR0 + offset / 8;
+ unsigned pos = offset % 8;
+
+ return tc3589x_set_bits(tc3589x, reg, 1 << pos, 0);
+}
+
+static int tc3589x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+ struct tc3589x_gpio *tc3589x_gpio = to_tc3589x_gpio(chip);
+
+ return tc3589x_gpio->irq_base + offset;
+}
+
+static struct gpio_chip template_chip = {
+ .label = "tc3589x",
+ .owner = THIS_MODULE,
+ .direction_input = tc3589x_gpio_direction_input,
+ .get = tc3589x_gpio_get,
+ .direction_output = tc3589x_gpio_direction_output,
+ .set = tc3589x_gpio_set,
+ .to_irq = tc3589x_gpio_to_irq,
+ .can_sleep = 1,
+};
+
+static int tc3589x_gpio_irq_set_type(struct irq_data *d, unsigned int type)
+{
+ struct tc3589x_gpio *tc3589x_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tc3589x_gpio->irq_base;
+ int regoffset = offset / 8;
+ int mask = 1 << (offset % 8);
+
+ if (type == IRQ_TYPE_EDGE_BOTH) {
+ tc3589x_gpio->regs[REG_IBE][regoffset] |= mask;
+ return 0;
+ }
+
+ tc3589x_gpio->regs[REG_IBE][regoffset] &= ~mask;
+
+ if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH)
+ tc3589x_gpio->regs[REG_IS][regoffset] |= mask;
+ else
+ tc3589x_gpio->regs[REG_IS][regoffset] &= ~mask;
+
+ if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH)
+ tc3589x_gpio->regs[REG_IEV][regoffset] |= mask;
+ else
+ tc3589x_gpio->regs[REG_IEV][regoffset] &= ~mask;
+
+ return 0;
+}
+
+static void tc3589x_gpio_irq_lock(struct irq_data *d)
+{
+ struct tc3589x_gpio *tc3589x_gpio = irq_data_get_irq_chip_data(d);
+
+ mutex_lock(&tc3589x_gpio->irq_lock);
+}
+
+static void tc3589x_gpio_irq_sync_unlock(struct irq_data *d)
+{
+ struct tc3589x_gpio *tc3589x_gpio = irq_data_get_irq_chip_data(d);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ static const u8 regmap[] = {
+ [REG_IBE] = TC3589x_GPIOIBE0,
+ [REG_IEV] = TC3589x_GPIOIEV0,
+ [REG_IS] = TC3589x_GPIOIS0,
+ [REG_IE] = TC3589x_GPIOIE0,
+ };
+ int i, j;
+
+ for (i = 0; i < CACHE_NR_REGS; i++) {
+ for (j = 0; j < CACHE_NR_BANKS; j++) {
+ u8 old = tc3589x_gpio->oldregs[i][j];
+ u8 new = tc3589x_gpio->regs[i][j];
+
+ if (new == old)
+ continue;
+
+ tc3589x_gpio->oldregs[i][j] = new;
+ tc3589x_reg_write(tc3589x, regmap[i] + j * 8, new);
+ }
+ }
+
+ mutex_unlock(&tc3589x_gpio->irq_lock);
+}
+
+static void tc3589x_gpio_irq_mask(struct irq_data *d)
+{
+ struct tc3589x_gpio *tc3589x_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tc3589x_gpio->irq_base;
+ int regoffset = offset / 8;
+ int mask = 1 << (offset % 8);
+
+ tc3589x_gpio->regs[REG_IE][regoffset] &= ~mask;
+}
+
+static void tc3589x_gpio_irq_unmask(struct irq_data *d)
+{
+ struct tc3589x_gpio *tc3589x_gpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tc3589x_gpio->irq_base;
+ int regoffset = offset / 8;
+ int mask = 1 << (offset % 8);
+
+ tc3589x_gpio->regs[REG_IE][regoffset] |= mask;
+}
+
+static struct irq_chip tc3589x_gpio_irq_chip = {
+ .name = "tc3589x-gpio",
+ .irq_bus_lock = tc3589x_gpio_irq_lock,
+ .irq_bus_sync_unlock = tc3589x_gpio_irq_sync_unlock,
+ .irq_mask = tc3589x_gpio_irq_mask,
+ .irq_unmask = tc3589x_gpio_irq_unmask,
+ .irq_set_type = tc3589x_gpio_irq_set_type,
+};
+
+static irqreturn_t tc3589x_gpio_irq(int irq, void *dev)
+{
+ struct tc3589x_gpio *tc3589x_gpio = dev;
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ u8 status[CACHE_NR_BANKS];
+ int ret;
+ int i;
+
+ ret = tc3589x_block_read(tc3589x, TC3589x_GPIOMIS0,
+ ARRAY_SIZE(status), status);
+ if (ret < 0)
+ return IRQ_NONE;
+
+ for (i = 0; i < ARRAY_SIZE(status); i++) {
+ unsigned int stat = status[i];
+ if (!stat)
+ continue;
+
+ while (stat) {
+ int bit = __ffs(stat);
+ int line = i * 8 + bit;
+
+ handle_nested_irq(tc3589x_gpio->irq_base + line);
+ stat &= ~(1 << bit);
+ }
+
+ tc3589x_reg_write(tc3589x, TC3589x_GPIOIC0 + i, status[i]);
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int tc3589x_gpio_irq_init(struct tc3589x_gpio *tc3589x_gpio)
+{
+ int base = tc3589x_gpio->irq_base;
+ int irq;
+
+ for (irq = base; irq < base + tc3589x_gpio->chip.ngpio; irq++) {
+ set_irq_chip_data(irq, tc3589x_gpio);
+ set_irq_chip_and_handler(irq, &tc3589x_gpio_irq_chip,
+ handle_simple_irq);
+ set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+ set_irq_flags(irq, IRQF_VALID);
+#else
+ set_irq_noprobe(irq);
+#endif
+ }
+
+ return 0;
+}
+
+static void tc3589x_gpio_irq_remove(struct tc3589x_gpio *tc3589x_gpio)
+{
+ int base = tc3589x_gpio->irq_base;
+ int irq;
+
+ for (irq = base; irq < base + tc3589x_gpio->chip.ngpio; irq++) {
+#ifdef CONFIG_ARM
+ set_irq_flags(irq, 0);
+#endif
+ set_irq_chip_and_handler(irq, NULL, NULL);
+ set_irq_chip_data(irq, NULL);
+ }
+}
+
+static int __devinit tc3589x_gpio_probe(struct platform_device *pdev)
+{
+ struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
+ struct tc3589x_gpio_platform_data *pdata;
+ struct tc3589x_gpio *tc3589x_gpio;
+ int ret;
+ int irq;
+
+ pdata = tc3589x->pdata->gpio;
+ if (!pdata)
+ return -ENODEV;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
+ tc3589x_gpio = kzalloc(sizeof(struct tc3589x_gpio), GFP_KERNEL);
+ if (!tc3589x_gpio)
+ return -ENOMEM;
+
+ mutex_init(&tc3589x_gpio->irq_lock);
+
+ tc3589x_gpio->dev = &pdev->dev;
+ tc3589x_gpio->tc3589x = tc3589x;
+
+ tc3589x_gpio->chip = template_chip;
+ tc3589x_gpio->chip.ngpio = tc3589x->num_gpio;
+ tc3589x_gpio->chip.dev = &pdev->dev;
+ tc3589x_gpio->chip.base = pdata->gpio_base;
+
+ tc3589x_gpio->irq_base = tc3589x->irq_base + TC3589x_INT_GPIO(0);
+
+ /* Bring the GPIO module out of reset */
+ ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL,
+ TC3589x_RSTCTRL_GPIRST, 0);
+ if (ret < 0)
+ goto out_free;
+
+ ret = tc3589x_gpio_irq_init(tc3589x_gpio);
+ if (ret)
+ goto out_free;
+
+ ret = request_threaded_irq(irq, NULL, tc3589x_gpio_irq, IRQF_ONESHOT,
+ "tc3589x-gpio", tc3589x_gpio);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to get irq: %d\n", ret);
+ goto out_removeirq;
+ }
+
+ ret = gpiochip_add(&tc3589x_gpio->chip);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
+ goto out_freeirq;
+ }
+
+ if (pdata->setup)
+ pdata->setup(tc3589x, tc3589x_gpio->chip.base);
+
+ platform_set_drvdata(pdev, tc3589x_gpio);
+
+ return 0;
+
+out_freeirq:
+ free_irq(irq, tc3589x_gpio);
+out_removeirq:
+ tc3589x_gpio_irq_remove(tc3589x_gpio);
+out_free:
+ kfree(tc3589x_gpio);
+ return ret;
+}
+
+static int __devexit tc3589x_gpio_remove(struct platform_device *pdev)
+{
+ struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);
+ struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
+ struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio;
+ int irq = platform_get_irq(pdev, 0);
+ int ret;
+
+ if (pdata->remove)
+ pdata->remove(tc3589x, tc3589x_gpio->chip.base);
+
+ ret = gpiochip_remove(&tc3589x_gpio->chip);
+ if (ret < 0) {
+ dev_err(tc3589x_gpio->dev,
+ "unable to remove gpiochip: %d\n", ret);
+ return ret;
+ }
+
+ free_irq(irq, tc3589x_gpio);
+ tc3589x_gpio_irq_remove(tc3589x_gpio);
+
+ platform_set_drvdata(pdev, NULL);
+ kfree(tc3589x_gpio);
+
+ return 0;
+}
+
+static struct platform_driver tc3589x_gpio_driver = {
+ .driver.name = "tc3589x-gpio",
+ .driver.owner = THIS_MODULE,
+ .probe = tc3589x_gpio_probe,
+ .remove = __devexit_p(tc3589x_gpio_remove),
+};
+
+static int __init tc3589x_gpio_init(void)
+{
+ return platform_driver_register(&tc3589x_gpio_driver);
+}
+subsys_initcall(tc3589x_gpio_init);
+
+static void __exit tc3589x_gpio_exit(void)
+{
+ platform_driver_unregister(&tc3589x_gpio_driver);
+}
+module_exit(tc3589x_gpio_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TC3589x GPIO driver");
+MODULE_AUTHOR("Hanumath Prasad, Rabin Vincent");
diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/timbgpio.c
index 45293662e950..349131eb1ce0 100644
--- a/drivers/gpio/timbgpio.c
+++ b/drivers/gpio/timbgpio.c
@@ -109,10 +109,10 @@ static int timbgpio_to_irq(struct gpio_chip *gpio, unsigned offset)
/*
* GPIO IRQ
*/
-static void timbgpio_irq_disable(unsigned irq)
+static void timbgpio_irq_disable(struct irq_data *d)
{
- struct timbgpio *tgpio = get_irq_chip_data(irq);
- int offset = irq - tgpio->irq_base;
+ struct timbgpio *tgpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tgpio->irq_base;
unsigned long flags;
spin_lock_irqsave(&tgpio->lock, flags);
@@ -121,10 +121,10 @@ static void timbgpio_irq_disable(unsigned irq)
spin_unlock_irqrestore(&tgpio->lock, flags);
}
-static void timbgpio_irq_enable(unsigned irq)
+static void timbgpio_irq_enable(struct irq_data *d)
{
- struct timbgpio *tgpio = get_irq_chip_data(irq);
- int offset = irq - tgpio->irq_base;
+ struct timbgpio *tgpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tgpio->irq_base;
unsigned long flags;
spin_lock_irqsave(&tgpio->lock, flags);
@@ -133,10 +133,10 @@ static void timbgpio_irq_enable(unsigned irq)
spin_unlock_irqrestore(&tgpio->lock, flags);
}
-static int timbgpio_irq_type(unsigned irq, unsigned trigger)
+static int timbgpio_irq_type(struct irq_data *d, unsigned trigger)
{
- struct timbgpio *tgpio = get_irq_chip_data(irq);
- int offset = irq - tgpio->irq_base;
+ struct timbgpio *tgpio = irq_data_get_irq_chip_data(d);
+ int offset = d->irq - tgpio->irq_base;
unsigned long flags;
u32 lvr, flr, bflr = 0;
u32 ver;
@@ -193,13 +193,13 @@ out:
return ret;
}
-static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)
+static void timbgpio_irq(struct irq_data *d, struct irq_desc *desc)
{
- struct timbgpio *tgpio = get_irq_data(irq);
+ struct timbgpio *tgpio = irq_data_get_irq_data(d);
unsigned long ipr;
int offset;
- desc->chip->ack(irq);
+ desc->irq_data.chip->ack(irq_get_irq_data(d));
ipr = ioread32(tgpio->membase + TGPIO_IPR);
iowrite32(ipr, tgpio->membase + TGPIO_ICR);
@@ -217,9 +217,9 @@ static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)
static struct irq_chip timbgpio_irqchip = {
.name = "GPIO",
- .enable = timbgpio_irq_enable,
- .disable = timbgpio_irq_disable,
- .set_type = timbgpio_irq_type,
+ .irq_enable = timbgpio_irq_enable,
+ .irq_disable = timbgpio_irq_disable,
+ .irq_set_type = timbgpio_irq_type,
};
static int __devinit timbgpio_probe(struct platform_device *pdev)
diff --git a/drivers/gpio/vr41xx_giu.c b/drivers/gpio/vr41xx_giu.c
index b16c9a8c03f5..cffa3bd7ad3b 100644
--- a/drivers/gpio/vr41xx_giu.c
+++ b/drivers/gpio/vr41xx_giu.c
@@ -111,69 +111,69 @@ static inline u16 giu_clear(u16 offset, u16 clear)
return data;
}
-static void ack_giuint_low(unsigned int irq)
+static void ack_giuint_low(struct irq_data *d)
{
- giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(irq));
+ giu_write(GIUINTSTATL, 1 << GPIO_PIN_OF_IRQ(d->irq));
}
-static void mask_giuint_low(unsigned int irq)
+static void mask_giuint_low(struct irq_data *d)
{
- giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
+ giu_clear(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(d->irq));
}
-static void mask_ack_giuint_low(unsigned int irq)
+static void mask_ack_giuint_low(struct irq_data *d)
{
unsigned int pin;
- pin = GPIO_PIN_OF_IRQ(irq);
+ pin = GPIO_PIN_OF_IRQ(d->irq);
giu_clear(GIUINTENL, 1 << pin);
giu_write(GIUINTSTATL, 1 << pin);
}
-static void unmask_giuint_low(unsigned int irq)
+static void unmask_giuint_low(struct irq_data *d)
{
- giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(irq));
+ giu_set(GIUINTENL, 1 << GPIO_PIN_OF_IRQ(d->irq));
}
static struct irq_chip giuint_low_irq_chip = {
.name = "GIUINTL",
- .ack = ack_giuint_low,
- .mask = mask_giuint_low,
- .mask_ack = mask_ack_giuint_low,
- .unmask = unmask_giuint_low,
+ .irq_ack = ack_giuint_low,
+ .irq_mask = mask_giuint_low,
+ .irq_mask_ack = mask_ack_giuint_low,
+ .irq_unmask = unmask_giuint_low,
};
-static void ack_giuint_high(unsigned int irq)
+static void ack_giuint_high(struct irq_data *d)
{
giu_write(GIUINTSTATH,
- 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+ 1 << (GPIO_PIN_OF_IRQ(d->irq) - GIUINT_HIGH_OFFSET));
}
-static void mask_giuint_high(unsigned int irq)
+static void mask_giuint_high(struct irq_data *d)
{
- giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+ giu_clear(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(d->irq) - GIUINT_HIGH_OFFSET));
}
-static void mask_ack_giuint_high(unsigned int irq)
+static void mask_ack_giuint_high(struct irq_data *d)
{
unsigned int pin;
- pin = GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET;
+ pin = GPIO_PIN_OF_IRQ(d->irq) - GIUINT_HIGH_OFFSET;
giu_clear(GIUINTENH, 1 << pin);
giu_write(GIUINTSTATH, 1 << pin);
}
-static void unmask_giuint_high(unsigned int irq)
+static void unmask_giuint_high(struct irq_data *d)
{
- giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(irq) - GIUINT_HIGH_OFFSET));
+ giu_set(GIUINTENH, 1 << (GPIO_PIN_OF_IRQ(d->irq) - GIUINT_HIGH_OFFSET));
}
static struct irq_chip giuint_high_irq_chip = {
.name = "GIUINTH",
- .ack = ack_giuint_high,
- .mask = mask_giuint_high,
- .mask_ack = mask_ack_giuint_high,
- .unmask = unmask_giuint_high,
+ .irq_ack = ack_giuint_high,
+ .irq_mask = mask_giuint_high,
+ .irq_mask_ack = mask_ack_giuint_high,
+ .irq_unmask = unmask_giuint_high,
};
static int giu_get_irq(unsigned int irq)
generated by cgit v1.2.3 (git 2.0.4) at 2025-01-01 12:51:21 +0000