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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (59 commits)
  mfd: ab8500-core chip version cut 2.0 support
  mfd: Flag WM831x /IRQ as a wake source
  mfd: Convert WM831x away from legacy I2C PM operations
  regulator: Support MAX8998/LP3974 DVS-GPIO
  mfd: Support LP3974 RTC
  i2c: Convert SCx200 driver from using raw PCI to platform device
  x86: OLPC: convert olpc-xo1 driver from pci device to platform device
  mfd: MAX8998/LP3974 hibernation support
  mfd/ab8500: remove spi support
  mfd: Remove ARCH_U8500 dependency from AB8500
  misc: Make AB8500_PWM driver depend on U8500 due to PWM breakage
  mfd: Add __devexit annotation for vx855_remove
  mfd: twl6030 irq_data conversion.
  gpio: Fix cs5535 printk warnings
  misc: Fix cs5535 printk warnings
  mfd: Convert Wolfson MFD drivers to use irq_data accessor function
  mfd: Convert TWL4030 to new irq_ APIs
  mfd: Convert tps6586x driver to new irq_ API
  mfd: Convert tc6393xb driver to new irq_ APIs
  mfd: Convert t7166xb driver to new irq_ API
  ...
hifive-unleashed-5.1
Linus Torvalds 2011-01-14 09:08:00 -08:00
parent c1e0d97d3d 92d50a4132
commit 822e5215f9
48 changed files with 1798 additions and 1346 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/Kconfig
View File

@ -2068,7 +2068,7 @@ config OLPC
config OLPC_XO1
tristate "OLPC XO-1 support"
depends on OLPC && PCI
depends on OLPC && MFD_CS5535
---help---
Add support for non-essential features of the OLPC XO-1 laptop.

107
arch/x86/platform/olpc/olpc-xo1.c
View File

@ -1,6 +1,7 @@
/*
* Support for features of the OLPC XO-1 laptop
*
* Copyright (C) 2010 Andres Salomon <dilinger@queued.net>
* Copyright (C) 2010 One Laptop per Child
* Copyright (C) 2006 Red Hat, Inc.
* Copyright (C) 2006 Advanced Micro Devices, Inc.
@ -12,8 +13,6 @@
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
@ -22,9 +21,6 @@
#define DRV_NAME "olpc-xo1"
#define PMS_BAR 4
#define ACPI_BAR 5
/* PMC registers (PMS block) */
#define PM_SCLK 0x10
#define PM_IN_SLPCTL 0x20
@ -57,65 +53,67 @@ static void xo1_power_off(void)
outl(0x00002000, acpi_base + PM1_CNT);
}
/* Read the base addresses from the PCI BAR info */
static int __devinit setup_bases(struct pci_dev *pdev)
{
int r;
r = pci_enable_device_io(pdev);
if (r) {
dev_err(&pdev->dev, "can't enable device IO\n");
return r;
}
r = pci_request_region(pdev, ACPI_BAR, DRV_NAME);
if (r) {
dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", ACPI_BAR);
return r;
}
r = pci_request_region(pdev, PMS_BAR, DRV_NAME);
if (r) {
dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", PMS_BAR);
pci_release_region(pdev, ACPI_BAR);
return r;
}
acpi_base = pci_resource_start(pdev, ACPI_BAR);
pms_base = pci_resource_start(pdev, PMS_BAR);
return 0;
}
static int __devinit olpc_xo1_probe(struct platform_device *pdev)
{
struct pci_dev *pcidev;
int r;
struct resource *res;
pcidev = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA,
NULL);
if (!pdev)
/* don't run on non-XOs */
if (!machine_is_olpc())
return -ENODEV;
r = setup_bases(pcidev);
if (r)
return r;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n");
return -EIO;
}
pm_power_off = xo1_power_off;
if (!request_region(res->start, resource_size(res), DRV_NAME)) {
dev_err(&pdev->dev, "can't request region\n");
return -EIO;
}
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = res->start;
else if (strcmp(pdev->name, "cs5535-acpi") == 0)
acpi_base = res->start;
/* If we have both addresses, we can override the poweroff hook */
if (pms_base && acpi_base) {
pm_power_off = xo1_power_off;
printk(KERN_INFO "OLPC XO-1 support registered\n");
}
printk(KERN_INFO "OLPC XO-1 support registered\n");
return 0;
}
static int __devexit olpc_xo1_remove(struct platform_device *pdev)
{
struct resource *r;
r = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(r->start, resource_size(r));
if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = 0;
else if (strcmp(pdev->name, "cs5535-acpi") == 0)
acpi_base = 0;
pm_power_off = NULL;
return 0;
}
static struct platform_driver olpc_xo1_driver = {
static struct platform_driver cs5535_pms_drv = {
.driver = {
.name = DRV_NAME,
.name = "cs5535-pms",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
.remove = __devexit_p(olpc_xo1_remove),
};
static struct platform_driver cs5535_acpi_drv = {
.driver = {
.name = "cs5535-acpi",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@ -124,12 +122,23 @@ static struct platform_driver olpc_xo1_driver = {
static int __init olpc_xo1_init(void)
{
return platform_driver_register(&olpc_xo1_driver);
int r;
r = platform_driver_register(&cs5535_pms_drv);
if (r)
return r;
r = platform_driver_register(&cs5535_acpi_drv);
if (r)
platform_driver_unregister(&cs5535_pms_drv);
return r;
}
static void __exit olpc_xo1_exit(void)
{
platform_driver_unregister(&olpc_xo1_driver);
platform_driver_unregister(&cs5535_acpi_drv);
platform_driver_unregister(&cs5535_pms_drv);
}
MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");

93
drivers/gpio/cs5535-gpio.c
View File

@ -11,14 +11,13 @@
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#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
/*
* Some GPIO pins
@ -47,7 +46,7 @@ static struct cs5535_gpio_chip {
struct gpio_chip chip;
resource_size_t base;
struct pci_dev *pdev;
struct platform_device *pdev;
spinlock_t lock;
} cs5535_gpio_chip;
@ -301,10 +300,10 @@ static struct cs5535_gpio_chip cs5535_gpio_chip = {
},
};
static int __init cs5535_gpio_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_id)
static int __devinit cs5535_gpio_probe(struct platform_device *pdev)
{
int err;
struct resource *res;
int err = -EIO;
ulong mask_orig = mask;
/* There are two ways to get the GPIO base address; one is by
@ -314,25 +313,23 @@ static int __init cs5535_gpio_probe(struct pci_dev *pdev,
* it turns out to be unreliable in the face of crappy BIOSes, we
* can always go back to using MSRs.. */
err = pci_enable_device_io(pdev);
if (err) {
dev_err(&pdev->dev, "can't enable device IO\n");
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n");
goto done;
}
err = pci_request_region(pdev, GPIO_BAR, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", GPIO_BAR);
if (!request_region(res->start, resource_size(res), pdev->name)) {
dev_err(&pdev->dev, "can't request region\n");
goto done;
}
/* set up the driver-specific struct */
cs5535_gpio_chip.base = pci_resource_start(pdev, GPIO_BAR);
cs5535_gpio_chip.base = res->start;
cs5535_gpio_chip.pdev = pdev;
spin_lock_init(&cs5535_gpio_chip.lock);
dev_info(&pdev->dev, "allocated PCI BAR #%d: base 0x%llx\n", GPIO_BAR,
(unsigned long long) cs5535_gpio_chip.base);
dev_info(&pdev->dev, "reserved resource region %pR\n", res);
/* mask out reserved pins */
mask &= 0x1F7FFFFF;
@ -350,78 +347,49 @@ static int __init cs5535_gpio_probe(struct pci_dev *pdev,
if (err)
goto release_region;
dev_info(&pdev->dev, DRV_NAME ": GPIO support successfully loaded.\n");
dev_info(&pdev->dev, "GPIO support successfully loaded.\n");
return 0;
release_region:
pci_release_region(pdev, GPIO_BAR);
release_region(res->start, resource_size(res));
done:
return err;
}
static void __exit cs5535_gpio_remove(struct pci_dev *pdev)
static int __devexit cs5535_gpio_remove(struct platform_device *pdev)
{
struct resource *r;
int err;
err = gpiochip_remove(&cs5535_gpio_chip.chip);
if (err) {
/* uhh? */
dev_err(&pdev->dev, "unable to remove gpio_chip?\n");
return err;
}
pci_release_region(pdev, GPIO_BAR);
r = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(r->start, resource_size(r));
return 0;
}
static struct pci_device_id cs5535_gpio_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) },
{ 0, },
static struct platform_driver cs5535_gpio_drv = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
},
.probe = cs5535_gpio_probe,
.remove = __devexit_p(cs5535_gpio_remove),
};
MODULE_DEVICE_TABLE(pci, cs5535_gpio_pci_tbl);
/*
* We can't use the standard PCI driver registration stuff here, since
* that allows only one driver to bind to each PCI device (and we want
* multiple drivers to be able to bind to the device). Instead, manually
* scan for the PCI device, request a single region, and keep track of the
* devices that we're using.
*/
static int __init cs5535_gpio_scan_pci(void)
{
struct pci_dev *pdev;
int err = -ENODEV;
int i;
for (i = 0; i < ARRAY_SIZE(cs5535_gpio_pci_tbl); i++) {
pdev = pci_get_device(cs5535_gpio_pci_tbl[i].vendor,
cs5535_gpio_pci_tbl[i].device, NULL);
if (pdev) {
err = cs5535_gpio_probe(pdev, &cs5535_gpio_pci_tbl[i]);
if (err)
pci_dev_put(pdev);
/* we only support a single CS5535/6 southbridge */
break;
}
}
return err;
}
static void __exit cs5535_gpio_free_pci(void)
{
cs5535_gpio_remove(cs5535_gpio_chip.pdev);
pci_dev_put(cs5535_gpio_chip.pdev);
}
static int __init cs5535_gpio_init(void)
{
return cs5535_gpio_scan_pci();
return platform_driver_register(&cs5535_gpio_drv);
}
static void __exit cs5535_gpio_exit(void)
{
cs5535_gpio_free_pci();
platform_driver_unregister(&cs5535_gpio_drv);
}
module_init(cs5535_gpio_init);
@ -430,3 +398,4 @@ module_exit(cs5535_gpio_exit);
MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);

210
drivers/i2c/busses/scx200_acb.c
View File

@ -29,6 +29,7 @@
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/slab.h>
@ -40,6 +41,7 @@
MODULE_AUTHOR("Christer Weinigel <wingel@nano-system.com>");
MODULE_DESCRIPTION("NatSemi SCx200 ACCESS.bus Driver");
MODULE_ALIAS("platform:cs5535-smb");
MODULE_LICENSE("GPL");
#define MAX_DEVICES 4
@ -84,10 +86,6 @@ struct scx200_acb_iface {
u8 *ptr;
char needs_reset;
unsigned len;
/* PCI device info */
struct pci_dev *pdev;
int bar;
};
/* Register Definitions */
@ -391,7 +389,7 @@ static const struct i2c_algorithm scx200_acb_algorithm = {
static struct scx200_acb_iface *scx200_acb_list;
static DEFINE_MUTEX(scx200_acb_list_mutex);
static __init int scx200_acb_probe(struct scx200_acb_iface *iface)
static __devinit int scx200_acb_probe(struct scx200_acb_iface *iface)
{
u8 val;
@ -427,7 +425,7 @@ static __init int scx200_acb_probe(struct scx200_acb_iface *iface)
return 0;
}
static __init struct scx200_acb_iface *scx200_create_iface(const char *text,
static __devinit struct scx200_acb_iface *scx200_create_iface(const char *text,
struct device *dev, int index)
{
struct scx200_acb_iface *iface;
@ -452,7 +450,7 @@ static __init struct scx200_acb_iface *scx200_create_iface(const char *text,
return iface;
}
static int __init scx200_acb_create(struct scx200_acb_iface *iface)
static int __devinit scx200_acb_create(struct scx200_acb_iface *iface)
{
struct i2c_adapter *adapter;
int rc;
@ -472,67 +470,31 @@ static int __init scx200_acb_create(struct scx200_acb_iface *iface)
return -ENODEV;
}
mutex_lock(&scx200_acb_list_mutex);
iface->next = scx200_acb_list;
scx200_acb_list = iface;
mutex_unlock(&scx200_acb_list_mutex);
if (!adapter->dev.parent) {
/* If there's no dev, we're tracking (ISA) ifaces manually */
mutex_lock(&scx200_acb_list_mutex);
iface->next = scx200_acb_list;
scx200_acb_list = iface;
mutex_unlock(&scx200_acb_list_mutex);
}
return 0;
}
static __init int scx200_create_pci(const char *text, struct pci_dev *pdev,
int bar)
static struct scx200_acb_iface * __devinit scx200_create_dev(const char *text,
unsigned long base, int index, struct device *dev)
{
struct scx200_acb_iface *iface;
int rc;
iface = scx200_create_iface(text, &pdev->dev, 0);
iface = scx200_create_iface(text, dev, index);
if (iface == NULL)
return -ENOMEM;
iface->pdev = pdev;
iface->bar = bar;
rc = pci_enable_device_io(iface->pdev);
if (rc)
goto errout_free;
rc = pci_request_region(iface->pdev, iface->bar, iface->adapter.name);
if (rc) {
printk(KERN_ERR NAME ": can't allocate PCI BAR %d\n",
iface->bar);
goto errout_free;
}
iface->base = pci_resource_start(iface->pdev, iface->bar);
rc = scx200_acb_create(iface);
if (rc == 0)
return 0;
pci_release_region(iface->pdev, iface->bar);
pci_dev_put(iface->pdev);
errout_free:
kfree(iface);
return rc;
}
static int __init scx200_create_isa(const char *text, unsigned long base,
int index)
{
struct scx200_acb_iface *iface;
int rc;
iface = scx200_create_iface(text, NULL, index);
if (iface == NULL)
return -ENOMEM;
return NULL;
if (!request_region(base, 8, iface->adapter.name)) {
printk(KERN_ERR NAME ": can't allocate io 0x%lx-0x%lx\n",
base, base + 8 - 1);
rc = -EBUSY;
goto errout_free;
}
@ -540,115 +502,113 @@ static int __init scx200_create_isa(const char *text, unsigned long base,
rc = scx200_acb_create(iface);
if (rc == 0)
return 0;
return iface;
release_region(base, 8);
errout_free:
kfree(iface);
return rc;
return NULL;
}
/* Driver data is an index into the scx200_data array that indicates
* the name and the BAR where the I/O address resource is located. ISA
* devices are flagged with a bar value of -1 */
static int __devinit scx200_probe(struct platform_device *pdev)
{
struct scx200_acb_iface *iface;
struct resource *res;
static const struct pci_device_id scx200_pci[] __initconst = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_BRIDGE),
.driver_data = 0 },
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE),
.driver_data = 0 },
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA),
.driver_data = 1 },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA),
.driver_data = 2 },
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n");
return -ENODEV;
}
iface = scx200_create_dev("CS5535", res->start, 0, &pdev->dev);
if (!iface)
return -EIO;
dev_info(&pdev->dev, "SCx200 device '%s' registered\n",
iface->adapter.name);
platform_set_drvdata(pdev, iface);
return 0;
}
static void __devexit scx200_cleanup_iface(struct scx200_acb_iface *iface)
{
i2c_del_adapter(&iface->adapter);
release_region(iface->base, 8);
kfree(iface);
}
static int __devexit scx200_remove(struct platform_device *pdev)
{
struct scx200_acb_iface *iface;
iface = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
scx200_cleanup_iface(iface);
return 0;
}
static struct platform_driver scx200_pci_drv = {
.driver = {
.name = "cs5535-smb",
.owner = THIS_MODULE,
},
.probe = scx200_probe,
.remove = __devexit_p(scx200_remove),
};
static const struct pci_device_id scx200_isa[] __initconst = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SCx200_BRIDGE) },
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_SC1100_BRIDGE) },
{ 0, }
};
static struct {
const char *name;
int bar;
} scx200_data[] = {
{ "SCx200", -1 },
{ "CS5535", 0 },
{ "CS5536", 0 }
};
static __init int scx200_scan_pci(void)
static __init void scx200_scan_isa(void)
{
int data, dev;
int rc = -ENODEV;
struct pci_dev *pdev;
int i;
for(dev = 0; dev < ARRAY_SIZE(scx200_pci); dev++) {
pdev = pci_get_device(scx200_pci[dev].vendor,
scx200_pci[dev].device, NULL);
if (!pci_dev_present(scx200_isa))
return;
if (pdev == NULL)
for (i = 0; i < MAX_DEVICES; ++i) {
if (base[i] == 0)
continue;
data = scx200_pci[dev].driver_data;
/* if .bar is greater or equal to zero, this is a
* PCI device - otherwise, we assume
that the ports are ISA based
*/
if (scx200_data[data].bar >= 0)
rc = scx200_create_pci(scx200_data[data].name, pdev,
scx200_data[data].bar);
else {
int i;
pci_dev_put(pdev);
for (i = 0; i < MAX_DEVICES; ++i) {
if (base[i] == 0)
continue;
rc = scx200_create_isa(scx200_data[data].name,
base[i],
i);
}
}
break;
/* XXX: should we care about failures? */
scx200_create_dev("SCx200", base[i], i, NULL);
}
return rc;
}
static int __init scx200_acb_init(void)
{
int rc;
pr_debug(NAME ": NatSemi SCx200 ACCESS.bus Driver\n");
rc = scx200_scan_pci();
/* First scan for ISA-based devices */
scx200_scan_isa(); /* XXX: should we care about errors? */
/* If at least one bus was created, init must succeed */
if (scx200_acb_list)
return 0;
return rc;
/* No ISA devices; register the platform driver for PCI-based devices */
return platform_driver_register(&scx200_pci_drv);
}
static void __exit scx200_acb_cleanup(void)
{
struct scx200_acb_iface *iface;
platform_driver_unregister(&scx200_pci_drv);
mutex_lock(&scx200_acb_list_mutex);
while ((iface = scx200_acb_list) != NULL) {
scx200_acb_list = iface->next;
mutex_unlock(&scx200_acb_list_mutex);
i2c_del_adapter(&iface->adapter);
scx200_cleanup_iface(iface);
if (iface->pdev) {
pci_release_region(iface->pdev, iface->bar);
pci_dev_put(iface->pdev);
}
else
release_region(iface->base, 8);
kfree(iface);
mutex_lock(&scx200_acb_list_mutex);
}
mutex_unlock(&scx200_acb_list_mutex);

36
drivers/mfd/88pm860x-core.c
View File

@ -361,12 +361,6 @@ static struct pm860x_irq_data pm860x_irqs[] = {
},
};
static inline struct pm860x_irq_data *irq_to_pm860x(struct pm860x_chip *chip,
int irq)
{
return &pm860x_irqs[irq - chip->irq_base];
}
static irqreturn_t pm860x_irq(int irq, void *data)
{
struct pm860x_chip *chip = data;
@ -388,16 +382,16 @@ static irqreturn_t pm860x_irq(int irq, void *data)
return IRQ_HANDLED;
}
static void pm860x_irq_lock(unsigned int irq)
static void pm860x_irq_lock(struct irq_data *data)
{
struct pm860x_chip *chip = get_irq_chip_data(irq);
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
mutex_lock(&chip->irq_lock);
}
static void pm860x_irq_sync_unlock(unsigned int irq)
static void pm860x_irq_sync_unlock(struct irq_data *data)
{
struct pm860x_chip *chip = get_irq_chip_data(irq);
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
struct pm860x_irq_data *irq_data;
struct i2c_client *i2c;
static unsigned char cached[3] = {0x0, 0x0, 0x0};
@ -439,25 +433,25 @@ static void pm860x_irq_sync_unlock(unsigned int irq)
mutex_unlock(&chip->irq_lock);
}
static void pm860x_irq_enable(unsigned int irq)
static void pm860x_irq_enable(struct irq_data *data)
{
struct pm860x_chip *chip = get_irq_chip_data(irq);
pm860x_irqs[irq - chip->irq_base].enable
= pm860x_irqs[irq - chip->irq_base].offs;
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
pm860x_irqs[data->irq - chip->irq_base].enable
= pm860x_irqs[data->irq - chip->irq_base].offs;
}
static void pm860x_irq_disable(unsigned int irq)
static void pm860x_irq_disable(struct irq_data *data)
{
struct pm860x_chip *chip = get_irq_chip_data(irq);
pm860x_irqs[irq - chip->irq_base].enable = 0;
struct pm860x_chip *chip = irq_data_get_irq_chip_data(data);
pm860x_irqs[data->irq - chip->irq_base].enable = 0;
}
static struct irq_chip pm860x_irq_chip = {
.name = "88pm860x",
.bus_lock = pm860x_irq_lock,
.bus_sync_unlock = pm860x_irq_sync_unlock,
.enable = pm860x_irq_enable,
.disable = pm860x_irq_disable,
.irq_bus_lock = pm860x_irq_lock,
.irq_bus_sync_unlock = pm860x_irq_sync_unlock,
.irq_enable = pm860x_irq_enable,
.irq_disable = pm860x_irq_disable,
};
static int __devinit device_gpadc_init(struct pm860x_chip *chip,

16
drivers/mfd/Kconfig
View File

@ -496,13 +496,13 @@ config EZX_PCAP
config AB8500_CORE
bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"
depends on GENERIC_HARDIRQS && ABX500_CORE && SPI_MASTER && ARCH_U8500
depends on GENERIC_HARDIRQS && ABX500_CORE
select MFD_CORE
help
Select this option to enable access to AB8500 power management
chip. This connects to U8500 either on the SSP/SPI bus
or the I2C bus via PRCMU. It also adds the irq_chip
parts for handling the Mixed Signal chip events.
chip. This connects to U8500 either on the SSP/SPI bus (deprecated
since hardware version v1.0) or the I2C bus via PRCMU. It also adds
the irq_chip parts for handling the Mixed Signal chip events.
This chip embeds various other multimedia funtionalities as well.
config AB8500_I2C_CORE
@ -537,6 +537,14 @@ config AB3550_CORE
LEDs, vibrator, system power and temperature, power management
and ALSA sound.
config MFD_CS5535
tristate "Support for CS5535 and CS5536 southbridge core functions"
select MFD_CORE
depends on PCI
---help---
This is the core driver for CS5535/CS5536 MFD functions. This is
necessary for using the board's GPIO and MFGPT functionality.
config MFD_TIMBERDALE
tristate "Support for the Timberdale FPGA"
select MFD_CORE

3
drivers/mfd/Makefile
View File

@ -70,7 +70,7 @@ obj-$(CONFIG_ABX500_CORE) += abx500-core.o
obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
obj-$(CONFIG_AB3550_CORE) += ab3550-core.o
obj-$(CONFIG_AB8500_CORE) += ab8500-core.o ab8500-spi.o
obj-$(CONFIG_AB8500_CORE) += ab8500-core.o
obj-$(CONFIG_AB8500_I2C_CORE) += ab8500-i2c.o
obj-$(CONFIG_AB8500_DEBUG) += ab8500-debugfs.o
obj-$(CONFIG_MFD_TIMBERDALE) += timberdale.o
@ -82,3 +82,4 @@ obj-$(CONFIG_MFD_JZ4740_ADC) += jz4740-adc.o
obj-$(CONFIG_MFD_TPS6586X) += tps6586x.o
obj-$(CONFIG_MFD_VX855) += vx855.o
obj-$(CONFIG_MFD_WL1273_CORE) += wl1273-core.o
obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o

28
drivers/mfd/ab3550-core.c
View File

@ -1159,15 +1159,16 @@ static void ab3550_mask_work(struct work_struct *work)
}
}
static void ab3550_mask(unsigned int irq)
static void ab3550_mask(struct irq_data *data)
{
unsigned long flags;
struct ab3550 *ab;
struct ab3550_platform_data *plf_data;
int irq;
ab = get_irq_chip_data(irq);
ab = irq_data_get_irq_chip_data(data);
plf_data = ab->i2c_client[0]->dev.platform_data;
irq -= plf_data->irq.base;
irq = data->irq - plf_data->irq.base;
spin_lock_irqsave(&ab->event_lock, flags);
ab->event_mask[irq / 8] |= BIT(irq % 8);
@ -1176,15 +1177,16 @@ static void ab3550_mask(unsigned int irq)
schedule_work(&ab->mask_work);
}
static void ab3550_unmask(unsigned int irq)
static void ab3550_unmask(struct irq_data *data)
{
unsigned long flags;
struct ab3550 *ab;
struct ab3550_platform_data *plf_data;
int irq;
ab = get_irq_chip_data(irq);
ab = irq_data_get_irq_chip_data(data);
plf_data = ab->i2c_client[0]->dev.platform_data;
irq -= plf_data->irq.base;
irq = data->irq - plf_data->irq.base;
spin_lock_irqsave(&ab->event_lock, flags);
ab->event_mask[irq / 8] &= ~BIT(irq % 8);
@ -1193,20 +1195,16 @@ static void ab3550_unmask(unsigned int irq)
schedule_work(&ab->mask_work);
}
static void noop(unsigned int irq)
static void noop(struct irq_data *data)
{
}
static struct irq_chip ab3550_irq_chip = {
.name = "ab3550-core", /* Keep the same name as the request */
.startup = NULL, /* defaults to enable */
.shutdown = NULL, /* defaults to disable */
.enable = NULL, /* defaults to unmask */
.disable = ab3550_mask, /* No default to mask in chip.c */
.ack = noop,
.mask = ab3550_mask,
.unmask = ab3550_unmask,
.end = NULL,
.irq_disable = ab3550_mask, /* No default to mask in chip.c */
.irq_ack = noop,
.irq_mask = ab3550_mask,
.irq_unmask = ab3550_unmask,
};
struct ab_family_id {

306
drivers/mfd/ab8500-core.c
View File

@ -52,6 +52,7 @@
#define AB8500_IT_LATCH8_REG 0x27
#define AB8500_IT_LATCH9_REG 0x28
#define AB8500_IT_LATCH10_REG 0x29
#define AB8500_IT_LATCH12_REG 0x2B
#define AB8500_IT_LATCH19_REG 0x32
#define AB8500_IT_LATCH20_REG 0x33
#define AB8500_IT_LATCH21_REG 0x34
@ -98,13 +99,17 @@
* offset 0.
*/
static const int ab8500_irq_regoffset[AB8500_NUM_IRQ_REGS] = {
0, 1, 2, 3, 4, 6, 7, 8, 9, 18, 19, 20, 21,
0, 1, 2, 3, 4, 6, 7, 8, 9, 11, 18, 19, 20, 21,
};
static int ab8500_get_chip_id(struct device *dev)
{
struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
return (int)ab8500->chip_id;
struct ab8500 *ab8500;
if (!dev)
return -EINVAL;
ab8500 = dev_get_drvdata(dev->parent);
return ab8500 ? (int)ab8500->chip_id : -EINVAL;
}
static int set_register_interruptible(struct ab8500 *ab8500, u8 bank,
@ -228,16 +233,16 @@ static struct abx500_ops ab8500_ops = {
.startup_irq_enabled = NULL,
};
static void ab8500_irq_lock(unsigned int irq)
static void ab8500_irq_lock(struct irq_data *data)
{
struct ab8500 *ab8500 = get_irq_chip_data(irq);
struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
mutex_lock(&ab8500->irq_lock);
}
static void ab8500_irq_sync_unlock(unsigned int irq)
static void ab8500_irq_sync_unlock(struct irq_data *data)
{
struct ab8500 *ab8500 = get_irq_chip_data(irq);
struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) {
@ -248,6 +253,10 @@ static void ab8500_irq_sync_unlock(unsigned int irq)
if (new == old)
continue;
/* Interrupt register 12 does'nt exist prior to version 0x20 */
if (ab8500_irq_regoffset[i] == 11 && ab8500->chip_id < 0x20)
continue;
ab8500->oldmask[i] = new;
reg = AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i];
@ -257,20 +266,20 @@ static void ab8500_irq_sync_unlock(unsigned int irq)
mutex_unlock(&ab8500->irq_lock);
}
static void ab8500_irq_mask(unsigned int irq)
static void ab8500_irq_mask(struct irq_data *data)
{
struct ab8500 *ab8500 = get_irq_chip_data(irq);
int offset = irq - ab8500->irq_base;
struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
int offset = data->irq - ab8500->irq_base;
int index = offset / 8;
int mask = 1 << (offset % 8);
ab8500->mask[index] |= mask;
}
static void ab8500_irq_unmask(unsigned int irq)
static void ab8500_irq_unmask(struct irq_data *data)
{
struct ab8500 *ab8500 = get_irq_chip_data(irq);
int offset = irq - ab8500->irq_base;
struct ab8500 *ab8500 = irq_data_get_irq_chip_data(data);
int offset = data->irq - ab8500->irq_base;
int index = offset / 8;
int mask = 1 << (offset % 8);
@ -279,10 +288,10 @@ static void ab8500_irq_unmask(unsigned int irq)
static struct irq_chip ab8500_irq_chip = {
.name = "ab8500",
.bus_lock = ab8500_irq_lock,
.bus_sync_unlock = ab8500_irq_sync_unlock,
.mask = ab8500_irq_mask,
.unmask = ab8500_irq_unmask,
.irq_bus_lock = ab8500_irq_lock,
.irq_bus_sync_unlock = ab8500_irq_sync_unlock,
.irq_mask = ab8500_irq_mask,
.irq_unmask = ab8500_irq_unmask,
};
static irqreturn_t ab8500_irq(int irq, void *dev)
@ -297,6 +306,10 @@ static irqreturn_t ab8500_irq(int irq, void *dev)
int status;
u8 value;
/* Interrupt register 12 does'nt exist prior to version 0x20 */
if (regoffset == 11 && ab8500->chip_id < 0x20)
continue;
status = get_register_interruptible(ab8500, AB8500_INTERRUPT,
AB8500_IT_LATCH1_REG + regoffset, &value);
if (status < 0 || value == 0)
@ -393,12 +406,194 @@ static struct resource ab8500_poweronkey_db_resources[] = {
},
};
static struct resource ab8500_bm_resources[] = {
{
.name = "MAIN_EXT_CH_NOT_OK",
.start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.flags = IORESOURCE_IRQ,
},
{
.name = "BATT_OVV",
.start = AB8500_INT_BATT_OVV,
.end = AB8500_INT_BATT_OVV,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CH_UNPLUG_DET",
.start = AB8500_INT_MAIN_CH_UNPLUG_DET,
.end = AB8500_INT_MAIN_CH_UNPLUG_DET,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CHARGE_PLUG_DET",
.start = AB8500_INT_MAIN_CH_PLUG_DET,
.end = AB8500_INT_MAIN_CH_PLUG_DET,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_F",
.start = AB8500_INT_VBUS_DET_F,
.end = AB8500_INT_VBUS_DET_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_R",
.start = AB8500_INT_VBUS_DET_R,
.end = AB8500_INT_VBUS_DET_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "BAT_CTRL_INDB",
.start = AB8500_INT_BAT_CTRL_INDB,
.end = AB8500_INT_BAT_CTRL_INDB,
.flags = IORESOURCE_IRQ,
},
{
.name = "CH_WD_EXP",
.start = AB8500_INT_CH_WD_EXP,
.end = AB8500_INT_CH_WD_EXP,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_OVV",
.start = AB8500_INT_VBUS_OVV,
.end = AB8500_INT_VBUS_OVV,
.flags = IORESOURCE_IRQ,
},
{
.name = "NCONV_ACCU",
.start = AB8500_INT_CCN_CONV_ACC,
.end = AB8500_INT_CCN_CONV_ACC,
.flags = IORESOURCE_IRQ,
},
{
.name = "LOW_BAT_F",
.start = AB8500_INT_LOW_BAT_F,
.end = AB8500_INT_LOW_BAT_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "LOW_BAT_R",
.start = AB8500_INT_LOW_BAT_R,
.end = AB8500_INT_LOW_BAT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "BTEMP_LOW",
.start = AB8500_INT_BTEMP_LOW,
.end = AB8500_INT_BTEMP_LOW,
.flags = IORESOURCE_IRQ,
},
{
.name = "BTEMP_HIGH",
.start = AB8500_INT_BTEMP_HIGH,
.end = AB8500_INT_BTEMP_HIGH,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKR",
.start = AB8500_INT_USB_CHARGER_NOT_OK,
.end = AB8500_INT_USB_CHARGER_NOT_OK,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGE_DET_DONE",
.start = AB8500_INT_USB_CHG_DET_DONE,
.end = AB8500_INT_USB_CHG_DET_DONE,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CH_TH_PROT_R",
.start = AB8500_INT_USB_CH_TH_PROT_R,
.end = AB8500_INT_USB_CH_TH_PROT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CH_TH_PROT_R",
.start = AB8500_INT_MAIN_CH_TH_PROT_R,
.end = AB8500_INT_MAIN_CH_TH_PROT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKF",
.start = AB8500_INT_USB_CHARGER_NOT_OKF,
.end = AB8500_INT_USB_CHARGER_NOT_OKF,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ab8500_debug_resources[] = {
{
.name = "IRQ_FIRST",
.start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.flags = IORESOURCE_IRQ,
},
{
.name = "IRQ_LAST",
.start = AB8500_INT_USB_CHARGER_NOT_OKF,
.end = AB8500_INT_USB_CHARGER_NOT_OKF,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ab8500_usb_resources[] = {
{
.name = "ID_WAKEUP_R",
.start = AB8500_INT_ID_WAKEUP_R,
.end = AB8500_INT_ID_WAKEUP_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "ID_WAKEUP_F",
.start = AB8500_INT_ID_WAKEUP_F,
.end = AB8500_INT_ID_WAKEUP_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_F",
.start = AB8500_INT_VBUS_DET_F,
.end = AB8500_INT_VBUS_DET_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_R",
.start = AB8500_INT_VBUS_DET_R,
.end = AB8500_INT_VBUS_DET_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_LINK_STATUS",
.start = AB8500_INT_USB_LINK_STATUS,
.end = AB8500_INT_USB_LINK_STATUS,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ab8500_temp_resources[] = {
{
.name = "AB8500_TEMP_WARM",
.start = AB8500_INT_TEMP_WARM,
.end = AB8500_INT_TEMP_WARM,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell ab8500_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
.num_resources = ARRAY_SIZE(ab8500_debug_resources),
.resources = ab8500_debug_resources,
},
#endif
{
.name = "ab8500-sysctrl",
},
{
.name = "ab8500-regulator",
},
{
.name = "ab8500-gpadc",
.num_resources = ARRAY_SIZE(ab8500_gpadc_resources),
@ -409,6 +604,22 @@ static struct mfd_cell ab8500_devs[] = {
.num_resources = ARRAY_SIZE(ab8500_rtc_resources),
.resources = ab8500_rtc_resources,
},
{
.name = "ab8500-bm",
.num_resources = ARRAY_SIZE(ab8500_bm_resources),
.resources = ab8500_bm_resources,
},
{ .name = "ab8500-codec", },
{
.name = "ab8500-usb",
.num_resources = ARRAY_SIZE(ab8500_usb_resources),
.resources = ab8500_usb_resources,
},
{
.name = "ab8500-poweron-key",
.num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
.resources = ab8500_poweronkey_db_resources,
},
{
.name = "ab8500-pwm",
.id = 1,
@ -421,15 +632,35 @@ static struct mfd_cell ab8500_devs[] = {
.name = "ab8500-pwm",
.id = 3,
},
{ .name = "ab8500-charger", },
{ .name = "ab8500-audio", },
{ .name = "ab8500-usb", },
{ .name = "ab8500-regulator", },
{ .name = "ab8500-leds", },
{
.name = "ab8500-poweron-key",
.num_resources = ARRAY_SIZE(ab8500_poweronkey_db_resources),
.resources = ab8500_poweronkey_db_resources,
.name = "ab8500-denc",
},
{
.name = "ab8500-temp",
.num_resources = ARRAY_SIZE(ab8500_temp_resources),
.resources = ab8500_temp_resources,
},
};
static ssize_t show_chip_id(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct ab8500 *ab8500;
ab8500 = dev_get_drvdata(dev);
return sprintf(buf, "%#x\n", ab8500 ? ab8500->chip_id : -EINVAL);
}
static DEVICE_ATTR(chip_id, S_IRUGO, show_chip_id, NULL);
static struct attribute *ab8500_sysfs_entries[] = {
&dev_attr_chip_id.attr,
NULL,
};
static struct attribute_group ab8500_attr_group = {
.attrs = ab8500_sysfs_entries,
};
int __devinit ab8500_init(struct ab8500 *ab8500)
@ -454,8 +685,9 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
* 0x0 - Early Drop
* 0x10 - Cut 1.0
* 0x11 - Cut 1.1
* 0x20 - Cut 2.0
*/
if (value == 0x0 || value == 0x10 || value == 0x11) {
if (value == 0x0 || value == 0x10 || value == 0x11 || value == 0x20) {
ab8500->revision = value;
dev_info(ab8500->dev, "detected chip, revision: %#x\n", value);
} else {
@ -468,18 +700,16 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
plat->init(ab8500);
/* Clear and mask all interrupts */
for (i = 0; i < 10; i++) {
get_register_interruptible(ab8500, AB8500_INTERRUPT,
AB8500_IT_LATCH1_REG + i, &value);
set_register_interruptible(ab8500, AB8500_INTERRUPT,
AB8500_IT_MASK1_REG + i, 0xff);
}
for (i = 0; i < AB8500_NUM_IRQ_REGS; i++) {
/* Interrupt register 12 does'nt exist prior to version 0x20 */
if (ab8500_irq_regoffset[i] == 11 && ab8500->chip_id < 0x20)
continue;
for (i = 18; i < 24; i++) {
get_register_interruptible(ab8500, AB8500_INTERRUPT,
AB8500_IT_LATCH1_REG + i, &value);
AB8500_IT_LATCH1_REG + ab8500_irq_regoffset[i],
&value);
set_register_interruptible(ab8500, AB8500_INTERRUPT,
AB8500_IT_MASK1_REG + i, 0xff);
AB8500_IT_MASK1_REG + ab8500_irq_regoffset[i], 0xff);
}
ret = abx500_register_ops(ab8500->dev, &ab8500_ops);
@ -495,7 +725,8 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
return ret;
ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq,
IRQF_ONESHOT, "ab8500", ab8500);
IRQF_ONESHOT | IRQF_NO_SUSPEND,
"ab8500", ab8500);
if (ret)
goto out_removeirq;
}
@ -506,6 +737,10 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
if (ret)
goto out_freeirq;
ret = sysfs_create_group(&ab8500->dev->kobj, &ab8500_attr_group);
if (ret)
dev_err(ab8500->dev, "error creating sysfs entries\n");
return ret;
out_freeirq:
@ -519,6 +754,7 @@ out_removeirq:
int __devexit ab8500_exit(struct ab8500 *ab8500)
{
sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
mfd_remove_devices(ab8500->dev);
if (ab8500->irq_base) {
free_irq(ab8500->irq, ab8500);

982
drivers/mfd/ab8500-debugfs.c
View File

File diff suppressed because it is too large Load Diff

143
drivers/mfd/ab8500-spi.c
View File

@ -1,143 +0,0 @@
/*
* Copyright (C) ST-Ericsson SA 2010
*
* License Terms: GNU General Public License v2
* Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/mfd/ab8500.h>
/*
* This funtion writes to any AB8500 registers using
* SPI protocol & before it writes it packs the data
* in the below 24 bit frame format
*
* *|------------------------------------|
* *| 23|22...18|17.......10|9|8|7......0|
* *| r/w bank adr data |
* * ------------------------------------
*
* This function shouldn't be called from interrupt
* context
*/
static int ab8500_spi_write(struct ab8500 *ab8500, u16 addr, u8 data)
{
struct spi_device *spi = container_of(ab8500->dev, struct spi_device,
dev);
unsigned long spi_data = addr << 10 | data;
struct spi_transfer xfer;
struct spi_message msg;
ab8500->tx_buf[0] = spi_data;
ab8500->rx_buf[0] = 0;
xfer.tx_buf = ab8500->tx_buf;
xfer.rx_buf = NULL;
xfer.len = sizeof(unsigned long);
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
return spi_sync(spi, &msg);
}
static int ab8500_spi_read(struct ab8500 *ab8500, u16 addr)
{
struct spi_device *spi = container_of(ab8500->dev, struct spi_device,
dev);
unsigned long spi_data = 1 << 23 | addr << 10;
struct spi_transfer xfer;
struct spi_message msg;
int ret;
ab8500->tx_buf[0] = spi_data;
ab8500->rx_buf[0] = 0;
xfer.tx_buf = ab8500->tx_buf;
xfer.rx_buf = ab8500->rx_buf;
xfer.len = sizeof(unsigned long);
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(spi, &msg);
if (!ret)
/*
* Only the 8 lowermost bytes are
* defined with value, the rest may
* vary depending on chip/board noise.
*/
ret = ab8500->rx_buf[0] & 0xFFU;
return ret;
}
static int __devinit ab8500_spi_probe(struct spi_device *spi)
{
struct ab8500 *ab8500;
int ret;
spi->bits_per_word = 24;
ret = spi_setup(spi);
if (ret < 0)
return ret;
ab8500 = kzalloc(sizeof *ab8500, GFP_KERNEL);
if (!ab8500)
return -ENOMEM;
ab8500->dev = &spi->dev;
ab8500->irq = spi->irq;
ab8500->read = ab8500_spi_read;
ab8500->write = ab8500_spi_write;
spi_set_drvdata(spi, ab8500);
ret = ab8500_init(ab8500);
if (ret)
kfree(ab8500);
return ret;
}
static int __devexit ab8500_spi_remove(struct spi_device *spi)
{
struct ab8500 *ab8500 = spi_get_drvdata(spi);
ab8500_exit(ab8500);
kfree(ab8500);
return 0;
}
static struct spi_driver ab8500_spi_driver = {
.driver = {
.name = "ab8500-spi",
.owner = THIS_MODULE,
},
.probe = ab8500_spi_probe,
.remove = __devexit_p(ab8500_spi_remove)
};
static int __init ab8500_spi_init(void)
{
return spi_register_driver(&ab8500_spi_driver);
}
subsys_initcall(ab8500_spi_init);
static void __exit ab8500_spi_exit(void)
{
spi_unregister_driver(&ab8500_spi_driver);
}
module_exit(ab8500_spi_exit);
MODULE_AUTHOR("Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com");
MODULE_DESCRIPTION("AB8500 SPI");
MODULE_LICENSE("GPL v2");

62
drivers/mfd/asic3.c
View File

@ -57,7 +57,7 @@ struct asic3_clk {
.rate = _rate, \
}
struct asic3_clk asic3_clk_init[] __initdata = {
static struct asic3_clk asic3_clk_init[] __initdata = {
INIT_CDEX(SPI, 0),
INIT_CDEX(OWM, 5000000),
INIT_CDEX(PWM0, 0),
@ -102,7 +102,7 @@ static inline u32 asic3_read_register(struct asic3 *asic,
(reg >> asic->bus_shift));
}
void asic3_set_register(struct asic3 *asic, u32 reg, u32 bits, bool set)
static void asic3_set_register(struct asic3 *asic, u32 reg, u32 bits, bool set)
{
unsigned long flags;
u32 val;
@ -226,14 +226,14 @@ static inline int asic3_irq_to_index(struct asic3 *asic, int irq)
return (irq - asic->irq_base) & 0xf;
}
static void asic3_mask_gpio_irq(unsigned int irq)
static void asic3_mask_gpio_irq(struct irq_data *data)
{
struct asic3 *asic = get_irq_chip_data(irq);
struct asic3 *asic = irq_data_get_irq_chip_data(data);
u32 val, bank, index;
unsigned long flags;
bank = asic3_irq_to_bank(asic, irq);
index = asic3_irq_to_index(asic, irq);
bank = asic3_irq_to_bank(asic, data->irq);
index = asic3_irq_to_index(asic, data->irq);
spin_lock_irqsave(&asic->lock, flags);
val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK);
@ -242,9 +242,9 @@ static void asic3_mask_gpio_irq(unsigned int irq)
spin_unlock_irqrestore(&asic->lock, flags);
}
static void asic3_mask_irq(unsigned int irq)
static void asic3_mask_irq(struct irq_data *data)
{
struct asic3 *asic = get_irq_chip_data(irq);
struct asic3 *asic = irq_data_get_irq_chip_data(data);
int regval;
unsigned long flags;
@ -254,7 +254,7 @@ static void asic3_mask_irq(unsigned int irq)
ASIC3_INTR_INT_MASK);
regval &= ~(ASIC3_INTMASK_MASK0 <<
(irq - (asic->irq_base + ASIC3_NUM_GPIOS)));
(data->irq - (asic->irq_base + ASIC3_NUM_GPIOS)));
asic3_write_register(asic,
ASIC3_INTR_BASE +
@ -263,14 +263,14 @@ static void asic3_mask_irq(unsigned int irq)
spin_unlock_irqrestore(&asic->lock, flags);
}
static void asic3_unmask_gpio_irq(unsigned int irq)
static void asic3_unmask_gpio_irq(struct irq_data *data)
{
struct asic3 *asic = get_irq_chip_data(irq);
struct asic3 *asic = irq_data_get_irq_chip_data(data);
u32 val, bank, index;
unsigned long flags;
bank = asic3_irq_to_bank(asic, irq);
index = asic3_irq_to_index(asic, irq);
bank = asic3_irq_to_bank(asic, data->irq);
index = asic3_irq_to_index(asic, data->irq);
spin_lock_irqsave(&asic->lock, flags);
val = asic3_read_register(asic, bank + ASIC3_GPIO_MASK);
@ -279,9 +279,9 @@ static void asic3_unmask_gpio_irq(unsigned int irq)
spin_unlock_irqrestore(&asic->lock, flags);
}
static void asic3_unmask_irq(unsigned int irq)
static void asic3_unmask_irq(struct irq_data *data)
{
struct asic3 *asic = get_irq_chip_data(irq);
struct asic3 *asic = irq_data_get_irq_chip_data(data);
int regval;
unsigned long flags;
@ -291,7 +291,7 @@ static void asic3_unmask_irq(unsigned int irq)
ASIC3_INTR_INT_MASK);
regval |= (ASIC3_INTMASK_MASK0 <<
(irq - (asic->irq_base + ASIC3_NUM_GPIOS)));
(data->irq - (asic->irq_base + ASIC3_NUM_GPIOS)));
asic3_write_register(asic,
ASIC3_INTR_BASE +
@ -300,15 +300,15 @@ static void asic3_unmask_irq(unsigned int irq)
spin_unlock_irqrestore(&asic->lock, flags);
}
static int asic3_gpio_irq_type(unsigned int irq, unsigned int type)
static int asic3_gpio_irq_type(struct irq_data *data, unsigned int type)
{
struct asic3 *asic = get_irq_chip_data(irq);
struct asic3 *asic = irq_data_get_irq_chip_data(data);
u32 bank, index;
u16 trigger, level, edge, bit;
unsigned long flags;
bank = asic3_irq_to_bank(asic, irq);
index = asic3_irq_to_index(asic, irq);
bank = asic3_irq_to_bank(asic, data->irq);
index = asic3_irq_to_index(asic, data->irq);
bit = 1<<index;
spin_lock_irqsave(&asic->lock, flags);
@ -318,7 +318,7 @@ static int asic3_gpio_irq_type(unsigned int irq, unsigned int type)
bank + ASIC3_GPIO_EDGE_TRIGGER);
trigger = asic3_read_register(asic,
bank + ASIC3_GPIO_TRIGGER_TYPE);
asic->irq_bothedge[(irq - asic->irq_base) >> 4] &= ~bit;
asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] &= ~bit;
if (type == IRQ_TYPE_EDGE_RISING) {
trigger |= bit;
@ -328,11 +328,11 @@ static int asic3_gpio_irq_type(unsigned int irq, unsigned int type)
edge &= ~bit;
} else if (type == IRQ_TYPE_EDGE_BOTH) {
trigger |= bit;
if (asic3_gpio_get(&asic->gpio, irq - asic->irq_base))
if (asic3_gpio_get(&asic->gpio, data->irq - asic->irq_base))
edge &= ~bit;
else
edge |= bit;
asic->irq_bothedge[(irq - asic->irq_base) >> 4] |= bit;
asic->irq_bothedge[(data->irq - asic->irq_base) >> 4] |= bit;
} else if (type == IRQ_TYPE_LEVEL_LOW) {
trigger &= ~bit;
level &= ~bit;
@ -359,17 +359,17 @@ static int asic3_gpio_irq_type(unsigned int irq, unsigned int type)
static struct irq_chip asic3_gpio_irq_chip = {
.name = "ASIC3-GPIO",
.ack = asic3_mask_gpio_irq,
.mask = asic3_mask_gpio_irq,
.unmask = asic3_unmask_gpio_irq,
.set_type = asic3_gpio_irq_type,
.irq_ack = asic3_mask_gpio_irq,
.irq_mask = asic3_mask_gpio_irq,
.irq_unmask = asic3_unmask_gpio_irq,
.irq_set_type = asic3_gpio_irq_type,
};
static struct irq_chip asic3_irq_chip = {
.name = "ASIC3",
.ack = asic3_mask_irq,
.mask = asic3_mask_irq,
.unmask = asic3_unmask_irq,
.irq_ack = asic3_mask_irq,
.irq_mask = asic3_mask_irq,
.irq_unmask = asic3_unmask_irq,
};
static int __init asic3_irq_probe(struct platform_device *pdev)
@ -635,7 +635,7 @@ static struct resource ds1wm_resources[] = {
},
{
.start = ASIC3_IRQ_OWM,
.start = ASIC3_IRQ_OWM,
.end = ASIC3_IRQ_OWM,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};

151
drivers/mfd/cs5535-mfd.c 100644
View File

@ -0,0 +1,151 @@
/*
* cs5535-mfd.c - core MFD driver for CS5535/CS5536 southbridges
*
* The CS5535 and CS5536 has an ISA bridge on the PCI bus that is
* used for accessing GPIOs, MFGPTs, ACPI, etc. Each subdevice has
* an IO range that's specified in a single BAR. The BAR order is
* hardcoded in the CS553x specifications.
*
* Copyright (c) 2010 Andres Salomon <dilinger@queued.net>
*
* 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.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/pci.h>
#define DRV_NAME "cs5535-mfd"
enum cs5535_mfd_bars {
SMB_BAR = 0,
GPIO_BAR = 1,
MFGPT_BAR = 2,
PMS_BAR = 4,
ACPI_BAR = 5,
NR_BARS,
};
static __devinitdata struct resource cs5535_mfd_resources[NR_BARS];
static __devinitdata struct mfd_cell cs5535_mfd_cells[] = {
{
.id = SMB_BAR,
.name = "cs5535-smb",
.num_resources = 1,
.resources = &cs5535_mfd_resources[SMB_BAR],
},
{
.id = GPIO_BAR,
.name = "cs5535-gpio",
.num_resources = 1,
.resources = &cs5535_mfd_resources[GPIO_BAR],
},
{
.id = MFGPT_BAR,
.name = "cs5535-mfgpt",
.num_resources = 1,
.resources = &cs5535_mfd_resources[MFGPT_BAR],
},
{
.id = PMS_BAR,
.name = "cs5535-pms",
.num_resources = 1,
.resources = &cs5535_mfd_resources[PMS_BAR],
},
{
.id = ACPI_BAR,
.name = "cs5535-acpi",
.num_resources = 1,
.resources = &cs5535_mfd_resources[ACPI_BAR],
},
};
static int __devinit cs5535_mfd_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
int err, i;
err = pci_enable_device(pdev);
if (err)
return err;
/* fill in IO range for each cell; subdrivers handle the region */
for (i = 0; i < ARRAY_SIZE(cs5535_mfd_cells); i++) {
int bar = cs5535_mfd_cells[i].id;
struct resource *r = &cs5535_mfd_resources[bar];
r->flags = IORESOURCE_IO;
r->start = pci_resource_start(pdev, bar);
r->end = pci_resource_end(pdev, bar);
/* id is used for temporarily storing BAR; unset it now */
cs5535_mfd_cells[i].id = 0;
}
err = mfd_add_devices(&pdev->dev, -1, cs5535_mfd_cells,
ARRAY_SIZE(cs5535_mfd_cells), NULL, 0);
if (err) {
dev_err(&pdev->dev, "MFD add devices failed: %d\n", err);
goto err_disable;
}
dev_info(&pdev->dev, "%zu devices registered.\n",
ARRAY_SIZE(cs5535_mfd_cells));
return 0;
err_disable:
pci_disable_device(pdev);
return err;
}
static void __devexit cs5535_mfd_remove(struct pci_dev *pdev)
{
mfd_remove_devices(&pdev->dev);
pci_disable_device(pdev);
}
static struct pci_device_id cs5535_mfd_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, cs5535_mfd_pci_tbl);
static struct pci_driver cs5535_mfd_drv = {
.name = DRV_NAME,
.id_table = cs5535_mfd_pci_tbl,
.probe = cs5535_mfd_probe,
.remove = __devexit_p(cs5535_mfd_remove),
};
static int __init cs5535_mfd_init(void)
{
return pci_register_driver(&cs5535_mfd_drv);
}
static void __exit cs5535_mfd_exit(void)
{
pci_unregister_driver(&cs5535_mfd_drv);
}
module_init(cs5535_mfd_init);
module_exit(cs5535_mfd_exit);
MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
MODULE_DESCRIPTION("MFD driver for CS5535/CS5536 southbridge's ISA PCI device");
MODULE_LICENSE("GPL");

25
drivers/mfd/ezx-pcap.c
View File

@ -144,26 +144,26 @@ int pcap_to_irq(struct pcap_chip *pcap, int irq)
}
EXPORT_SYMBOL_GPL(pcap_to_irq);
static void pcap_mask_irq(unsigned int irq)
static void pcap_mask_irq(struct irq_data *d)
{
struct pcap_chip *pcap = get_irq_chip_data(irq);
struct pcap_chip *pcap = irq_data_get_irq_chip_data(d);
pcap->msr |= 1 << irq_to_pcap(pcap, irq);
pcap->msr |= 1 << irq_to_pcap(pcap, d->irq);
queue_work(pcap->workqueue, &pcap->msr_work);
}
static void pcap_unmask_irq(unsigned int irq)
static void pcap_unmask_irq(struct irq_data *d)
{
struct pcap_chip *pcap = get_irq_chip_data(irq);
struct pcap_chip *pcap = irq_data_get_irq_chip_data(d);
pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));
pcap->msr &= ~(1 << irq_to_pcap(pcap, d->irq));
queue_work(pcap->workqueue, &pcap->msr_work);
}
static struct irq_chip pcap_irq_chip = {
.name = "pcap",
.mask = pcap_mask_irq,
.unmask = pcap_unmask_irq,
.name = "pcap",
.irq_mask = pcap_mask_irq,
.irq_unmask = pcap_unmask_irq,
};
static void pcap_msr_work(struct work_struct *work)
@ -199,8 +199,7 @@ static void pcap_isr_work(struct work_struct *work)
if (service & 1) {
struct irq_desc *desc = irq_to_desc(irq);
if (WARN(!desc, KERN_WARNING
"Invalid PCAP IRQ %d\n", irq))
if (WARN(!desc, "Invalid PCAP IRQ %d\n", irq))
break;
if (desc->status & IRQ_DISABLED)
@ -218,7 +217,7 @@ static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct pcap_chip *pcap = get_irq_data(irq);
desc->chip->ack(irq);
desc->irq_data.chip->irq_ack(&desc->irq_data);
queue_work(pcap->workqueue, &pcap->isr_work);
return;
}
@ -282,7 +281,7 @@ static irqreturn_t pcap_adc_irq(int irq, void *_pcap)
mutex_lock(&pcap->adc_mutex);
req = pcap->adc_queue[pcap->adc_head];
if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) {
if (WARN(!req, "adc irq without pending request\n")) {
mutex_unlock(&pcap->adc_mutex);
return IRQ_HANDLED;
}

27
drivers/mfd/htc-egpio.c
View File

@ -70,31 +70,32 @@ static inline void ack_irqs(struct egpio_info *ei)
ei->ack_write, ei->ack_register << ei->bus_shift);
}
static void egpio_ack(unsigned int irq)
static void egpio_ack(struct irq_data *data)
{
}
/* There does not appear to be a way to proactively mask interrupts
* on the egpio chip itself. So, we simply ignore interrupts that
* aren't desired. */
static void egpio_mask(unsigned int irq)
static void egpio_mask(struct irq_data *data)
{
struct egpio_info *ei = get_irq_chip_data(irq);
ei->irqs_enabled &= ~(1 << (irq - ei->irq_start));
pr_debug("EGPIO mask %d %04x\n", irq, ei->irqs_enabled);
struct egpio_info *ei = irq_data_get_irq_chip_data(data);
ei->irqs_enabled &= ~(1 << (data->irq - ei->irq_start));
pr_debug("EGPIO mask %d %04x\n", data->irq, ei->irqs_enabled);
}
static void egpio_unmask(unsigned int irq)
static void egpio_unmask(struct irq_data *data)
{
struct egpio_info *ei = get_irq_chip_data(irq);
ei->irqs_enabled |= 1 << (irq - ei->irq_start);
pr_debug("EGPIO unmask %d %04x\n", irq, ei->irqs_enabled);
struct egpio_info *ei = irq_data_get_irq_chip_data(data);
ei->irqs_enabled |= 1 << (data->irq - ei->irq_start);
pr_debug("EGPIO unmask %d %04x\n", data->irq, ei->irqs_enabled);
}
static struct irq_chip egpio_muxed_chip = {
.name = "htc-egpio",
.ack = egpio_ack,
.mask = egpio_mask,
.unmask = egpio_unmask,
.name = "htc-egpio",
.irq_ack = egpio_ack,
.irq_mask = egpio_mask,
.irq_unmask = egpio_unmask,
};
static void egpio_handler(unsigned int irq, struct irq_desc *desc)

40
drivers/mfd/htc-i2cpld.c
View File

@ -82,25 +82,25 @@ struct htcpld_data {
/* There does not appear to be a way to proactively mask interrupts
* on the htcpld chip itself. So, we simply ignore interrupts that
* aren't desired. */
static void htcpld_mask(unsigned int irq)
static void htcpld_mask(struct irq_data *data)
{
struct htcpld_chip *chip = get_irq_chip_data(irq);
chip->irqs_enabled &= ~(1 << (irq - chip->irq_start));
pr_debug("HTCPLD mask %d %04x\n", irq, chip->irqs_enabled);
struct htcpld_chip *chip = irq_data_get_irq_chip_data(data);
chip->irqs_enabled &= ~(1 << (data->irq - chip->irq_start));
pr_debug("HTCPLD mask %d %04x\n", data->irq, chip->irqs_enabled);
}
static void htcpld_unmask(unsigned int irq)
static void htcpld_unmask(struct irq_data *data)
{
struct htcpld_chip *chip = get_irq_chip_data(irq);
chip->irqs_enabled |= 1 << (irq - chip->irq_start);
pr_debug("HTCPLD unmask %d %04x\n", irq, chip->irqs_enabled);
struct htcpld_chip *chip = irq_data_get_irq_chip_data(data);
chip->irqs_enabled |= 1 << (data->irq - chip->irq_start);
pr_debug("HTCPLD unmask %d %04x\n", data->irq, chip->irqs_enabled);
}
static int htcpld_set_type(unsigned int irq, unsigned int flags)
static int htcpld_set_type(struct irq_data *data, unsigned int flags)
{
struct irq_desc *d = irq_to_desc(irq);
struct irq_desc *d = irq_to_desc(data->irq);
if (!d) {
pr_err("HTCPLD invalid IRQ: %d\n", irq);
pr_err("HTCPLD invalid IRQ: %d\n", data->irq);
return -EINVAL;
}
@ -118,10 +118,10 @@ static int htcpld_set_type(unsigned int irq, unsigned int flags)
}
static struct irq_chip htcpld_muxed_chip = {
.name = "htcpld",
.mask = htcpld_mask,
.unmask = htcpld_unmask,
.set_type = htcpld_set_type,
.name = "htcpld",
.irq_mask = htcpld_mask,
.irq_unmask = htcpld_unmask,
.irq_set_type = htcpld_set_type,
};
/* To properly dispatch IRQ events, we need to read from the
@ -235,7 +235,7 @@ static irqreturn_t htcpld_handler(int irq, void *dev)
* and that work is scheduled in the set routine. The kernel can then run
* the I2C functions, which will sleep, in process context.
*/
void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)
static void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)
{
struct i2c_client *client;
struct htcpld_chip *chip_data;
@ -259,7 +259,7 @@ void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)
schedule_work(&(chip_data->set_val_work));
}
void htcpld_chip_set_ni(struct work_struct *work)
static void htcpld_chip_set_ni(struct work_struct *work)
{
struct htcpld_chip *chip_data;
struct i2c_client *client;
@ -269,7 +269,7 @@ void htcpld_chip_set_ni(struct work_struct *work)
i2c_smbus_read_byte_data(client, chip_data->cache_out);
}
int htcpld_chip_get(struct gpio_chip *chip, unsigned offset)
static int htcpld_chip_get(struct gpio_chip *chip, unsigned offset)
{
struct htcpld_chip *chip_data;
int val = 0;
@ -316,7 +316,7 @@ static int htcpld_direction_input(struct gpio_chip *chip,
return (offset < chip->ngpio) ? 0 : -EINVAL;
}
int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset)
static int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct htcpld_chip *chip_data;
@ -328,7 +328,7 @@ int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset)
return -EINVAL;
}
void htcpld_chip_reset(struct i2c_client *client)
static void htcpld_chip_reset(struct i2c_client *client)
{
struct htcpld_chip *chip_data = i2c_get_clientdata(client);
if (!chip_data)

25
drivers/mfd/jz4740-adc.c
View File

@ -84,31 +84,30 @@ static inline void jz4740_adc_irq_set_masked(struct jz4740_adc *adc, int irq,
spin_unlock_irqrestore(&adc->lock, flags);
}
static void jz4740_adc_irq_mask(unsigned int irq)
static void jz4740_adc_irq_mask(struct irq_data *data)
{
struct jz4740_adc *adc = get_irq_chip_data(irq);
jz4740_adc_irq_set_masked(adc, irq, true);
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
jz4740_adc_irq_set_masked(adc, data->irq, true);
}
static void jz4740_adc_irq_unmask(unsigned int irq)
static void jz4740_adc_irq_unmask(struct irq_data *data)
{
struct jz4740_adc *adc = get_irq_chip_data(irq);
jz4740_adc_irq_set_masked(adc, irq, false);
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
jz4740_adc_irq_set_masked(adc, data->irq, false);
}
static void jz4740_adc_irq_ack(unsigned int irq)
static void jz4740_adc_irq_ack(struct irq_data *data)
{
struct jz4740_adc *adc = get_irq_chip_data(irq);
irq -= adc->irq_base;
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
unsigned int irq = data->irq - adc->irq_base;
writeb(BIT(irq), adc->base + JZ_REG_ADC_STATUS);
}
static struct irq_chip jz4740_adc_irq_chip = {
.name = "jz4740-adc",
.mask = jz4740_adc_irq_mask,
.unmask = jz4740_adc_irq_unmask,
.ack = jz4740_adc_irq_ack,
.irq_mask = jz4740_adc_irq_mask,
.irq_unmask = jz4740_adc_irq_unmask,
.irq_ack = jz4740_adc_irq_ack,
};
static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)

30
drivers/mfd/max8925-core.c
View File

@ -407,16 +407,16 @@ static irqreturn_t max8925_tsc_irq(int irq, void *data)
return IRQ_HANDLED;
}
static void max8925_irq_lock(unsigned int irq)
static void max8925_irq_lock(struct irq_data *data)
{
struct max8925_chip *chip = get_irq_chip_data(irq);
struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
mutex_lock(&chip->irq_lock);
}
static void max8925_irq_sync_unlock(unsigned int irq)
static void max8925_irq_sync_unlock(struct irq_data *data)
{
struct max8925_chip *chip = get_irq_chip_data(irq);
struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
struct max8925_irq_data *irq_data;
static unsigned char cache_chg[2] = {0xff, 0xff};
static unsigned char cache_on[2] = {0xff, 0xff};
@ -492,25 +492,25 @@ static void max8925_irq_sync_unlock(unsigned int irq)
mutex_unlock(&chip->irq_lock);
}
static void max8925_irq_enable(unsigned int irq)
static void max8925_irq_enable(struct irq_data *data)
{
struct max8925_chip *chip = get_irq_chip_data(irq);
max8925_irqs[irq - chip->irq_base].enable
= max8925_irqs[irq - chip->irq_base].offs;
struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
max8925_irqs[data->irq - chip->irq_base].enable
= max8925_irqs[data->irq - chip->irq_base].offs;
}
static void max8925_irq_disable(unsigned int irq)
static void max8925_irq_disable(struct irq_data *data)
{
struct max8925_chip *chip = get_irq_chip_data(irq);
max8925_irqs[irq - chip->irq_base].enable = 0;
struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
max8925_irqs[data->irq - chip->irq_base].enable = 0;
}
static struct irq_chip max8925_irq_chip = {
.name = "max8925",
.bus_lock = max8925_irq_lock,
.bus_sync_unlock = max8925_irq_sync_unlock,
.enable = max8925_irq_enable,
.disable = max8925_irq_disable,
.irq_bus_lock = max8925_irq_lock,
.irq_bus_sync_unlock = max8925_irq_sync_unlock,
.irq_enable = max8925_irq_enable,
.irq_disable = max8925_irq_disable,
};
static int max8925_irq_init(struct max8925_chip *chip, int irq,

37
drivers/mfd/max8998-irq.c
View File

@ -102,16 +102,16 @@ irq_to_max8998_irq(struct max8998_dev *max8998, int irq)
return &max8998_irqs[irq - max8998->irq_base];
}
static void max8998_irq_lock(unsigned int irq)
static void max8998_irq_lock(struct irq_data *data)
{
struct max8998_dev *max8998 = get_irq_chip_data(irq);
struct max8998_dev *max8998 = irq_data_get_irq_chip_data(data);
mutex_lock(&max8998->irqlock);
}
static void max8998_irq_sync_unlock(unsigned int irq)
static void max8998_irq_sync_unlock(struct irq_data *data)
{
struct max8998_dev *max8998 = get_irq_chip_data(irq);
struct max8998_dev *max8998 = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(max8998->irq_masks_cur); i++) {
@ -129,28 +129,30 @@ static void max8998_irq_sync_unlock(unsigned int irq)
mutex_unlock(&max8998->irqlock);
}
static void max8998_irq_unmask(unsigned int irq)
static void max8998_irq_unmask(struct irq_data *data)
{
struct max8998_dev *max8998 = get_irq_chip_data(irq);
struct max8998_irq_data *irq_data = irq_to_max8998_irq(max8998, irq);
struct max8998_dev *max8998 = irq_data_get_irq_chip_data(data);
struct max8998_irq_data *irq_data = irq_to_max8998_irq(max8998,
data->irq);
max8998->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask;
}
static void max8998_irq_mask(unsigned int irq)
static void max8998_irq_mask(struct irq_data *data)
{
struct max8998_dev *max8998 = get_irq_chip_data(irq);
struct max8998_irq_data *irq_data = irq_to_max8998_irq(max8998, irq);
struct max8998_dev *max8998 = irq_data_get_irq_chip_data(data);
struct max8998_irq_data *irq_data = irq_to_max8998_irq(max8998,
data->irq);
max8998->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask;
}
static struct irq_chip max8998_irq_chip = {
.name = "max8998",
.bus_lock = max8998_irq_lock,
.bus_sync_unlock = max8998_irq_sync_unlock,
.mask = max8998_irq_mask,
.unmask = max8998_irq_unmask,
.irq_bus_lock = max8998_irq_lock,
.irq_bus_sync_unlock = max8998_irq_sync_unlock,
.irq_mask = max8998_irq_mask,
.irq_unmask = max8998_irq_unmask,
};
static irqreturn_t max8998_irq_thread(int irq, void *data)
@ -181,6 +183,13 @@ static irqreturn_t max8998_irq_thread(int irq, void *data)
return IRQ_HANDLED;
}
int max8998_irq_resume(struct max8998_dev *max8998)
{
if (max8998->irq && max8998->irq_base)
max8998_irq_thread(max8998->irq_base, max8998);
return 0;
}
int max8998_irq_init(struct max8998_dev *max8998)
{
int i;

134
drivers/mfd/max8998.c
View File

@ -25,6 +25,8 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/max8998.h>
@ -40,6 +42,14 @@ static struct mfd_cell max8998_devs[] = {
},
};
static struct mfd_cell lp3974_devs[] = {
{
.name = "lp3974-pmic",
}, {
.name = "lp3974-rtc",
},
};
int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
{
struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
@ -135,6 +145,7 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
if (pdata) {
max8998->ono = pdata->ono;
max8998->irq_base = pdata->irq_base;
max8998->wakeup = pdata->wakeup;
}
mutex_init(&max8998->iolock);
@ -143,9 +154,23 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
max8998_irq_init(max8998);
ret = mfd_add_devices(max8998->dev, -1,
max8998_devs, ARRAY_SIZE(max8998_devs),
NULL, 0);
pm_runtime_set_active(max8998->dev);
switch (id->driver_data) {
case TYPE_LP3974:
ret = mfd_add_devices(max8998->dev, -1,
lp3974_devs, ARRAY_SIZE(lp3974_devs),
NULL, 0);
break;
case TYPE_MAX8998:
ret = mfd_add_devices(max8998->dev, -1,
max8998_devs, ARRAY_SIZE(max8998_devs),
NULL, 0);
break;
default:
ret = -EINVAL;
}
if (ret < 0)
goto err;
@ -178,10 +203,113 @@ static const struct i2c_device_id max8998_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, max8998_i2c_id);
static int max8998_suspend(struct device *dev)
{
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
if (max8998->wakeup)
set_irq_wake(max8998->irq, 1);
return 0;
}
static int max8998_resume(struct device *dev)
{
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
if (max8998->wakeup)
set_irq_wake(max8998->irq, 0);
/*
* In LP3974, if IRQ registers are not "read & clear"
* when it's set during sleep, the interrupt becomes
* disabled.
*/
return max8998_irq_resume(i2c_get_clientdata(i2c));
}
struct max8998_reg_dump {
u8 addr;
u8 val;
};
#define SAVE_ITEM(x) { .addr = (x), .val = 0x0, }
struct max8998_reg_dump max8998_dump[] = {
SAVE_ITEM(MAX8998_REG_IRQM1),
SAVE_ITEM(MAX8998_REG_IRQM2),
SAVE_ITEM(MAX8998_REG_IRQM3),
SAVE_ITEM(MAX8998_REG_IRQM4),
SAVE_ITEM(MAX8998_REG_STATUSM1),
SAVE_ITEM(MAX8998_REG_STATUSM2),
SAVE_ITEM(MAX8998_REG_CHGR1),
SAVE_ITEM(MAX8998_REG_CHGR2),
SAVE_ITEM(MAX8998_REG_LDO_ACTIVE_DISCHARGE1),
SAVE_ITEM(MAX8998_REG_LDO_ACTIVE_DISCHARGE1),
SAVE_ITEM(MAX8998_REG_BUCK_ACTIVE_DISCHARGE3),
SAVE_ITEM(MAX8998_REG_ONOFF1),
SAVE_ITEM(MAX8998_REG_ONOFF2),
SAVE_ITEM(MAX8998_REG_ONOFF3),
SAVE_ITEM(MAX8998_REG_ONOFF4),
SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE1),
SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE2),
SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE3),
SAVE_ITEM(MAX8998_REG_BUCK1_VOLTAGE4),
SAVE_ITEM(MAX8998_REG_BUCK2_VOLTAGE1),
SAVE_ITEM(MAX8998_REG_BUCK2_VOLTAGE2),
SAVE_ITEM(MAX8998_REG_LDO2_LDO3),
SAVE_ITEM(MAX8998_REG_LDO4),
SAVE_ITEM(MAX8998_REG_LDO5),
SAVE_ITEM(MAX8998_REG_LDO6),
SAVE_ITEM(MAX8998_REG_LDO7),
SAVE_ITEM(MAX8998_REG_LDO8_LDO9),
SAVE_ITEM(MAX8998_REG_LDO10_LDO11),
SAVE_ITEM(MAX8998_REG_LDO12),
SAVE_ITEM(MAX8998_REG_LDO13),
SAVE_ITEM(MAX8998_REG_LDO14),
SAVE_ITEM(MAX8998_REG_LDO15),
SAVE_ITEM(MAX8998_REG_LDO16),
SAVE_ITEM(MAX8998_REG_LDO17),
SAVE_ITEM(MAX8998_REG_BKCHR),
SAVE_ITEM(MAX8998_REG_LBCNFG1),
SAVE_ITEM(MAX8998_REG_LBCNFG2),
};
/* Save registers before hibernation */
static int max8998_freeze(struct device *dev)
{
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
int i;
for (i = 0; i < ARRAY_SIZE(max8998_dump); i++)
max8998_read_reg(i2c, max8998_dump[i].addr,
&max8998_dump[i].val);
return 0;
}
/* Restore registers after hibernation */
static int max8998_restore(struct device *dev)
{
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
int i;
for (i = 0; i < ARRAY_SIZE(max8998_dump); i++)
max8998_write_reg(i2c, max8998_dump[i].addr,
max8998_dump[i].val);
return 0;
}
const struct dev_pm_ops max8998_pm = {
.suspend = max8998_suspend,
.resume = max8998_resume,
.freeze = max8998_freeze,
.restore = max8998_restore,
};
static struct i2c_driver max8998_i2c_driver = {
.driver = {
.name = "max8998",
.owner = THIS_MODULE,
.pm = &max8998_pm,
},
.probe = max8998_i2c_probe,
.remove = max8998_i2c_remove,

2
drivers/mfd/mc13xxx-core.c
View File

@ -749,7 +749,7 @@ static int mc13xxx_probe(struct spi_device *spi)
if (ret) {
err_mask:
err_revision:
mutex_unlock(&mc13xxx->lock);
mc13xxx_unlock(mc13xxx);
dev_set_drvdata(&spi->dev, NULL);
kfree(mc13xxx);
return ret;

4
drivers/mfd/mfd-core.c
View File

@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/mfd/core.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
static int mfd_add_device(struct device *parent, int id,
@ -82,6 +83,9 @@ static int mfd_add_device(struct device *parent, int id,
if (ret)
goto fail_res;
if (cell->pm_runtime_no_callbacks)
pm_runtime_no_callbacks(&pdev->dev);
kfree(res);
return 0;

9
drivers/mfd/sm501.c
View File

@ -26,7 +26,7 @@
#include <linux/sm501-regs.h>
#include <linux/serial_8250.h>
#include <asm/io.h>
#include <linux/io.h>
struct sm501_device {
struct list_head list;
@ -745,11 +745,8 @@ static int sm501_register_device(struct sm501_devdata *sm,
int ret;
for (ptr = 0; ptr < pdev->num_resources; ptr++) {
printk(KERN_DEBUG "%s[%d] flags %08lx: %08llx..%08llx\n",
pdev->name, ptr,
pdev->resource[ptr].flags,
(unsigned long long)pdev->resource[ptr].start,
(unsigned long long)pdev->resource[ptr].end);
printk(KERN_DEBUG "%s[%d] %pR\n",
pdev->name, ptr, &pdev->resource[ptr]);
}
ret = platform_device_register(pdev);

28
drivers/mfd/stmpe.c
View File

@ -699,16 +699,16 @@ static irqreturn_t stmpe_irq(int irq, void *data)
return IRQ_HANDLED;
}
static void stmpe_irq_lock(unsigned int irq)
static void stmpe_irq_lock(struct irq_data *data)
{
struct stmpe *stmpe = get_irq_chip_data(irq);
struct stmpe *stmpe = irq_data_get_irq_chip_data(data);
mutex_lock(&stmpe->irq_lock);
}
static void stmpe_irq_sync_unlock(unsigned int irq)
static void stmpe_irq_sync_unlock(struct irq_data *data)
{
struct stmpe *stmpe = get_irq_chip_data(irq);
struct stmpe *stmpe = irq_data_get_irq_chip_data(data);
struct stmpe_variant_info *variant = stmpe->variant;
int num = DIV_ROUND_UP(variant->num_irqs, 8);
int i;
@ -727,20 +727,20 @@ static void stmpe_irq_sync_unlock(unsigned int irq)
mutex_unlock(&stmpe->irq_lock);
}
static void stmpe_irq_mask(unsigned int irq)
static void stmpe_irq_mask(struct irq_data *data)
{
struct stmpe *stmpe = get_irq_chip_data(irq);
int offset = irq - stmpe->irq_base;
struct stmpe *stmpe = irq_data_get_irq_chip_data(data);
int offset = data->irq - stmpe->irq_base;
int regoffset = offset / 8;
int mask = 1 << (offset % 8);
stmpe->ier[regoffset] &= ~mask;
}
static void stmpe_irq_unmask(unsigned int irq)
static void stmpe_irq_unmask(struct irq_data *data)
{
struct stmpe *stmpe = get_irq_chip_data(irq);
int offset = irq - stmpe->irq_base;
struct stmpe *stmpe = irq_data_get_irq_chip_data(data);
int offset = data->irq - stmpe->irq_base;
int regoffset = offset / 8;
int mask = 1 << (offset % 8);
@ -749,10 +749,10 @@ static void stmpe_irq_unmask(unsigned int irq)
static struct irq_chip stmpe_irq_chip = {
.name = "stmpe",
.bus_lock = stmpe_irq_lock,
.bus_sync_unlock = stmpe_irq_sync_unlock,
.mask = stmpe_irq_mask,
.unmask = stmpe_irq_unmask,
.irq_bus_lock = stmpe_irq_lock,
.irq_bus_sync_unlock = stmpe_irq_sync_unlock,
.irq_mask = stmpe_irq_mask,
.irq_unmask = stmpe_irq_unmask,
};
static int __devinit stmpe_irq_init(struct stmpe *stmpe)

20
drivers/mfd/t7l66xb.c
View File

@ -199,37 +199,37 @@ static void t7l66xb_irq(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(irq_base + i);
}
static void t7l66xb_irq_mask(unsigned int irq)
static void t7l66xb_irq_mask(struct irq_data *data)
{
struct t7l66xb *t7l66xb = get_irq_chip_data(irq);
struct t7l66xb *t7l66xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&t7l66xb->lock, flags);
imr = tmio_ioread8(t7l66xb->scr + SCR_IMR);
imr |= 1 << (irq - t7l66xb->irq_base);
imr |= 1 << (data->irq - t7l66xb->irq_base);
tmio_iowrite8(imr, t7l66xb->scr + SCR_IMR);
spin_unlock_irqrestore(&t7l66xb->lock, flags);
}
static void t7l66xb_irq_unmask(unsigned int irq)
static void t7l66xb_irq_unmask(struct irq_data *data)
{
struct t7l66xb *t7l66xb = get_irq_chip_data(irq);
struct t7l66xb *t7l66xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&t7l66xb->lock, flags);
imr = tmio_ioread8(t7l66xb->scr + SCR_IMR);
imr &= ~(1 << (irq - t7l66xb->irq_base));
imr &= ~(1 << (data->irq - t7l66xb->irq_base));
tmio_iowrite8(imr, t7l66xb->scr + SCR_IMR);
spin_unlock_irqrestore(&t7l66xb->lock, flags);
}
static struct irq_chip t7l66xb_chip = {
.name = "t7l66xb",
.ack = t7l66xb_irq_mask,
.mask = t7l66xb_irq_mask,
.unmask = t7l66xb_irq_unmask,
.name = "t7l66xb",
.irq_ack = t7l66xb_irq_mask,
.irq_mask = t7l66xb_irq_mask,
.irq_unmask = t7l66xb_irq_unmask,
};
/*--------------------------------------------------------------------------*/

22
drivers/mfd/tc6393xb.c
View File

@ -527,41 +527,41 @@ tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
}
}
static void tc6393xb_irq_ack(unsigned int irq)
static void tc6393xb_irq_ack(struct irq_data *data)
{
}
static void tc6393xb_irq_mask(unsigned int irq)
static void tc6393xb_irq_mask(struct irq_data *data)
{
struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
struct tc6393xb *tc6393xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&tc6393xb->lock, flags);
imr = tmio_ioread8(tc6393xb->scr + SCR_IMR);
imr |= 1 << (irq - tc6393xb->irq_base);
imr |= 1 << (data->irq - tc6393xb->irq_base);
tmio_iowrite8(imr, tc6393xb->scr + SCR_IMR);
spin_unlock_irqrestore(&tc6393xb->lock, flags);
}
static void tc6393xb_irq_unmask(unsigned int irq)
static void tc6393xb_irq_unmask(struct irq_data *data)
{
struct tc6393xb *tc6393xb = get_irq_chip_data(irq);
struct tc6393xb *tc6393xb = irq_data_get_irq_chip_data(data);
unsigned long flags;
u8 imr;
spin_lock_irqsave(&tc6393xb->lock, flags);
imr = tmio_ioread8(tc6393xb->scr + SCR_IMR);
imr &= ~(1 << (irq - tc6393xb->irq_base));
imr &= ~(1 << (data->irq - tc6393xb->irq_base));
tmio_iowrite8(imr, tc6393xb->scr + SCR_IMR);
spin_unlock_irqrestore(&tc6393xb->lock, flags);
}
static struct irq_chip tc6393xb_chip = {
.name = "tc6393xb",
.ack = tc6393xb_irq_ack,
.mask = tc6393xb_irq_mask,
.unmask = tc6393xb_irq_unmask,
.name = "tc6393xb",
.irq_ack = tc6393xb_irq_ack,
.irq_mask = tc6393xb_irq_mask,
.irq_unmask = tc6393xb_irq_unmask,
};
static void tc6393xb_attach_irq(struct platform_device *dev)

2
drivers/mfd/tps65010.c
View File

@ -34,7 +34,7 @@
#include <linux/i2c/tps65010.h>
#include <asm/gpio.h>
#include <linux/gpio.h>
/*-------------------------------------------------------------------------*/

36
drivers/mfd/tps6586x.c
View File

@ -46,8 +46,6 @@
/* device id */
#define TPS6586X_VERSIONCRC 0xcd
#define TPS658621A_VERSIONCRC 0x15
#define TPS658621C_VERSIONCRC 0x2c
struct tps6586x_irq_data {
u8 mask_reg;
@ -325,37 +323,37 @@ static int tps6586x_remove_subdevs(struct tps6586x *tps6586x)
return device_for_each_child(tps6586x->dev, NULL, __remove_subdev);
}
static void tps6586x_irq_lock(unsigned int irq)
static void tps6586x_irq_lock(struct irq_data *data)
{
struct tps6586x *tps6586x = get_irq_chip_data(irq);
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
mutex_lock(&tps6586x->irq_lock);
}
static void tps6586x_irq_enable(unsigned int irq)
static void tps6586x_irq_enable(struct irq_data *irq_data)
{
struct tps6586x *tps6586x = get_irq_chip_data(irq);
unsigned int __irq = irq - tps6586x->irq_base;
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
unsigned int __irq = irq_data->irq - tps6586x->irq_base;
const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
tps6586x->mask_reg[data->mask_reg] &= ~data->mask_mask;
tps6586x->irq_en |= (1 << __irq);
}
static void tps6586x_irq_disable(unsigned int irq)
static void tps6586x_irq_disable(struct irq_data *irq_data)
{
struct tps6586x *tps6586x = get_irq_chip_data(irq);
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(irq_data);
unsigned int __irq = irq - tps6586x->irq_base;
unsigned int __irq = irq_data->irq - tps6586x->irq_base;
const struct tps6586x_irq_data *data = &tps6586x_irqs[__irq];
tps6586x->mask_reg[data->mask_reg] |= data->mask_mask;
tps6586x->irq_en &= ~(1 << __irq);
}
static void tps6586x_irq_sync_unlock(unsigned int irq)
static void tps6586x_irq_sync_unlock(struct irq_data *data)
{
struct tps6586x *tps6586x = get_irq_chip_data(irq);
struct tps6586x *tps6586x = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(tps6586x->mask_reg); i++) {
@ -421,10 +419,10 @@ static int __devinit tps6586x_irq_init(struct tps6586x *tps6586x, int irq,
tps6586x->irq_base = irq_base;
tps6586x->irq_chip.name = "tps6586x";
tps6586x->irq_chip.enable = tps6586x_irq_enable;
tps6586x->irq_chip.disable = tps6586x_irq_disable;
tps6586x->irq_chip.bus_lock = tps6586x_irq_lock;
tps6586x->irq_chip.bus_sync_unlock = tps6586x_irq_sync_unlock;
tps6586x->irq_chip.irq_enable = tps6586x_irq_enable;
tps6586x->irq_chip.irq_disable = tps6586x_irq_disable;
tps6586x->irq_chip.irq_bus_lock = tps6586x_irq_lock;
tps6586x->irq_chip.irq_bus_sync_unlock = tps6586x_irq_sync_unlock;
for (i = 0; i < ARRAY_SIZE(tps6586x_irqs); i++) {
int __irq = i + tps6586x->irq_base;
@ -498,11 +496,7 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client,
return -EIO;
}
if ((ret != TPS658621A_VERSIONCRC) &&
(ret != TPS658621C_VERSIONCRC)) {
dev_err(&client->dev, "Unsupported chip ID: %x\n", ret);
return -ENODEV;
}
dev_info(&client->dev, "VERSIONCRC is %02x\n", ret);
tps6586x = kzalloc(sizeof(struct tps6586x), GFP_KERNEL);
if (tps6586x == NULL)

2
drivers/mfd/twl-core.c
View File

@ -1003,7 +1003,7 @@ static int twl_remove(struct i2c_client *client)
}
/* NOTE: this driver only handles a single twl4030/tps659x0 chip */
static int __init
static int __devinit
twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
int status;

28
drivers/mfd/twl4030-irq.c
View File

@ -599,38 +599,38 @@ static void twl4030_sih_do_edge(struct work_struct *work)
* completion, potentially including some re-ordering, of these requests.
*/
static void twl4030_sih_mask(unsigned irq)
static void twl4030_sih_mask(struct irq_data *data)
{
struct sih_agent *sih = get_irq_chip_data(irq);
struct sih_agent *sih = irq_data_get_irq_chip_data(data);
unsigned long flags;
spin_lock_irqsave(&sih_agent_lock, flags);
sih->imr |= BIT(irq - sih->irq_base);
sih->imr |= BIT(data->irq - sih->irq_base);
sih->imr_change_pending = true;
queue_work(wq, &sih->mask_work);
spin_unlock_irqrestore(&sih_agent_lock, flags);
}
static void twl4030_sih_unmask(unsigned irq)
static void twl4030_sih_unmask(struct irq_data *data)
{
struct sih_agent *sih = get_irq_chip_data(irq);
struct sih_agent *sih = irq_data_get_irq_chip_data(data);
unsigned long flags;
spin_lock_irqsave(&sih_agent_lock, flags);
sih->imr &= ~BIT(irq - sih->irq_base);
sih->imr &= ~BIT(data->irq - sih->irq_base);
sih->imr_change_pending = true;
queue_work(wq, &sih->mask_work);
spin_unlock_irqrestore(&sih_agent_lock, flags);
}
static int twl4030_sih_set_type(unsigned irq, unsigned trigger)
static int twl4030_sih_set_type(struct irq_data *data, unsigned trigger)
{
struct sih_agent *sih = get_irq_chip_data(irq);
struct irq_desc *desc = irq_to_desc(irq);
struct sih_agent *sih = irq_data_get_irq_chip_data(data);
struct irq_desc *desc = irq_to_desc(data->irq);
unsigned long flags;
if (!desc) {
pr_err("twl4030: Invalid IRQ: %d\n", irq);
pr_err("twl4030: Invalid IRQ: %d\n", data->irq);
return -EINVAL;
}
@ -641,7 +641,7 @@ static int twl4030_sih_set_type(unsigned irq, unsigned trigger)
if ((desc->status & IRQ_TYPE_SENSE_MASK) != trigger) {
desc->status &= ~IRQ_TYPE_SENSE_MASK;
desc->status |= trigger;
sih->edge_change |= BIT(irq - sih->irq_base);
sih->edge_change |= BIT(data->irq - sih->irq_base);
queue_work(wq, &sih->edge_work);
}
spin_unlock_irqrestore(&sih_agent_lock, flags);
@ -650,9 +650,9 @@ static int twl4030_sih_set_type(unsigned irq, unsigned trigger)
static struct irq_chip twl4030_sih_irq_chip = {
.name = "twl4030",
.mask = twl4030_sih_mask,
.unmask = twl4030_sih_unmask,
.set_type = twl4030_sih_set_type,
.irq_mask = twl4030_sih_mask,
.irq_unmask = twl4030_sih_unmask,
.irq_set_type = twl4030_sih_set_type,
};
/*----------------------------------------------------------------------*/

2
drivers/mfd/twl6030-irq.c
View File

@ -332,7 +332,7 @@ int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
*/
twl6030_irq_chip = dummy_irq_chip;
twl6030_irq_chip.name = "twl6030";
twl6030_irq_chip.set_type = NULL;
twl6030_irq_chip.irq_set_type = NULL;
for (i = irq_base; i < irq_end; i++) {
set_irq_chip_and_handler(i, &twl6030_irq_chip,

2
drivers/mfd/vx855.c
View File

@ -112,7 +112,7 @@ out:
return ret;
}
static void vx855_remove(struct pci_dev *pdev)
static void __devexit vx855_remove(struct pci_dev *pdev)
{
mfd_remove_devices(&pdev->dev);
pci_disable_device(pdev);

17
drivers/mfd/wm831x-core.c
View File

@ -1541,6 +1541,12 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
dev_info(wm831x->dev, "WM8325 revision %c\n", 'A' + rev);
break;
case WM8326:
parent = WM8326;
wm831x->num_gpio = 12;
dev_info(wm831x->dev, "WM8326 revision %c\n", 'A' + rev);
break;
default:
dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret);
ret = -EINVAL;
@ -1610,18 +1616,9 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
break;
case WM8320:
ret = mfd_add_devices(wm831x->dev, -1,
wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, 0);
break;
case WM8321:
ret = mfd_add_devices(wm831x->dev, -1,
wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, 0);
break;
case WM8325:
case WM8326:
ret = mfd_add_devices(wm831x->dev, -1,
wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, wm831x->irq_base);

14
drivers/mfd/wm831x-i2c.c
View File

@ -94,9 +94,9 @@ static int wm831x_i2c_remove(struct i2c_client *i2c)
return 0;
}
static int wm831x_i2c_suspend(struct i2c_client *i2c, pm_message_t mesg)
static int wm831x_i2c_suspend(struct device *dev)
{
struct wm831x *wm831x = i2c_get_clientdata(i2c);
struct wm831x *wm831x = dev_get_drvdata(dev);
return wm831x_device_suspend(wm831x);
}
@ -108,19 +108,23 @@ static const struct i2c_device_id wm831x_i2c_id[] = {
{ "wm8320", WM8320 },
{ "wm8321", WM8321 },
{ "wm8325", WM8325 },
{ "wm8326", WM8326 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);
static const struct dev_pm_ops wm831x_pm_ops = {
.suspend = wm831x_i2c_suspend,
};
static struct i2c_driver wm831x_i2c_driver = {
.driver = {
.name = "wm831x",
.owner = THIS_MODULE,
.name = "wm831x",
.owner = THIS_MODULE,
.pm = &wm831x_pm_ops,
},
.probe = wm831x_i2c_probe,
.remove = wm831x_i2c_remove,
.suspend = wm831x_i2c_suspend,
.id_table = wm831x_i2c_id,
};

53
drivers/mfd/wm831x-irq.c
View File

@ -345,16 +345,16 @@ static inline struct wm831x_irq_data *irq_to_wm831x_irq(struct wm831x *wm831x,
return &wm831x_irqs[irq - wm831x->irq_base];
}
static void wm831x_irq_lock(unsigned int irq)
static void wm831x_irq_lock(struct irq_data *data)
{
struct wm831x *wm831x = get_irq_chip_data(irq);
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
mutex_lock(&wm831x->irq_lock);
}
static void wm831x_irq_sync_unlock(unsigned int irq)
static void wm831x_irq_sync_unlock(struct irq_data *data)
{
struct wm831x *wm831x = get_irq_chip_data(irq);
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) {
@ -371,28 +371,30 @@ static void wm831x_irq_sync_unlock(unsigned int irq)
mutex_unlock(&wm831x->irq_lock);
}
static void wm831x_irq_unmask(unsigned int irq)
static void wm831x_irq_unmask(struct irq_data *data)
{
struct wm831x *wm831x = get_irq_chip_data(irq);
struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x, irq);
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x,
data->irq);
wm831x->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask;
}
static void wm831x_irq_mask(unsigned int irq)
static void wm831x_irq_mask(struct irq_data *data)
{
struct wm831x *wm831x = get_irq_chip_data(irq);
struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x, irq);
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
struct wm831x_irq_data *irq_data = irq_to_wm831x_irq(wm831x,
data->irq);
wm831x->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask;
}
static int wm831x_irq_set_type(unsigned int irq, unsigned int type)
static int wm831x_irq_set_type(struct irq_data *data, unsigned int type)
{
struct wm831x *wm831x = get_irq_chip_data(irq);
int val;
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
int val, irq;
irq = irq - wm831x->irq_base;
irq = data->irq - wm831x->irq_base;
if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) {
/* Ignore internal-only IRQs */
@ -421,12 +423,12 @@ static int wm831x_irq_set_type(unsigned int irq, unsigned int type)
}
static struct irq_chip wm831x_irq_chip = {
.name = "wm831x",
.bus_lock = wm831x_irq_lock,
.bus_sync_unlock = wm831x_irq_sync_unlock,
.mask = wm831x_irq_mask,
.unmask = wm831x_irq_unmask,
.set_type = wm831x_irq_set_type,
.name = "wm831x",
.irq_bus_lock = wm831x_irq_lock,
.irq_bus_sync_unlock = wm831x_irq_sync_unlock,
.irq_mask = wm831x_irq_mask,
.irq_unmask = wm831x_irq_unmask,
.irq_set_type = wm831x_irq_set_type,
};
/* The processing of the primary interrupt occurs in a thread so that
@ -515,6 +517,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
return 0;
}
/* Try to flag /IRQ as a wake source; there are a number of
* unconditional wake sources in the PMIC so this isn't
* conditional but we don't actually care *too* much if it
* fails.
*/
ret = enable_irq_wake(irq);
if (ret != 0) {
dev_warn(wm831x->dev, "Can't enable IRQ as wake source: %d\n",
ret);
}
wm831x->irq = irq;
wm831x->irq_base = pdata->irq_base;

18
drivers/mfd/wm831x-spi.c
View File

@ -81,6 +81,8 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi)
type = WM8321;
else if (strcmp(spi->modalias, "wm8325") == 0)
type = WM8325;
else if (strcmp(spi->modalias, "wm8326") == 0)
type = WM8326;
else {
dev_err(&spi->dev, "Unknown device type\n");
return -EINVAL;
@ -184,6 +186,17 @@ static struct spi_driver wm8325_spi_driver = {
.suspend = wm831x_spi_suspend,
};
static struct spi_driver wm8326_spi_driver = {
.driver = {
.name = "wm8326",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = wm831x_spi_probe,
.remove = __devexit_p(wm831x_spi_remove),
.suspend = wm831x_spi_suspend,
};
static int __init wm831x_spi_init(void)
{
int ret;
@ -212,12 +225,17 @@ static int __init wm831x_spi_init(void)
if (ret != 0)
pr_err("Failed to register WM8325 SPI driver: %d\n", ret);
ret = spi_register_driver(&wm8326_spi_driver);
if (ret != 0)
pr_err("Failed to register WM8326 SPI driver: %d\n", ret);
return 0;
}
subsys_initcall(wm831x_spi_init);
static void __exit wm831x_spi_exit(void)
{
spi_unregister_driver(&wm8326_spi_driver);
spi_unregister_driver(&wm8325_spi_driver);
spi_unregister_driver(&wm8321_spi_driver);
spi_unregister_driver(&wm8320_spi_driver);

32
drivers/mfd/wm8350-irq.c
View File

@ -417,16 +417,16 @@ static irqreturn_t wm8350_irq(int irq, void *irq_data)
return IRQ_HANDLED;
}
static void wm8350_irq_lock(unsigned int irq)
static void wm8350_irq_lock(struct irq_data *data)
{
struct wm8350 *wm8350 = get_irq_chip_data(irq);
struct wm8350 *wm8350 = irq_data_get_irq_chip_data(data);
mutex_lock(&wm8350->irq_lock);
}
static void wm8350_irq_sync_unlock(unsigned int irq)
static void wm8350_irq_sync_unlock(struct irq_data *data)
{
struct wm8350 *wm8350 = get_irq_chip_data(irq);
struct wm8350 *wm8350 = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
@ -442,28 +442,30 @@ static void wm8350_irq_sync_unlock(unsigned int irq)
mutex_unlock(&wm8350->irq_lock);
}
static void wm8350_irq_enable(unsigned int irq)
static void wm8350_irq_enable(struct irq_data *data)
{
struct wm8350 *wm8350 = get_irq_chip_data(irq);
struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
struct wm8350 *wm8350 = irq_data_get_irq_chip_data(data);
struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350,
data->irq);
wm8350->irq_masks[irq_data->reg] &= ~irq_data->mask;
}
static void wm8350_irq_disable(unsigned int irq)
static void wm8350_irq_disable(struct irq_data *data)
{
struct wm8350 *wm8350 = get_irq_chip_data(irq);
struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
struct wm8350 *wm8350 = irq_data_get_irq_chip_data(data);
struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350,
data->irq);
wm8350->irq_masks[irq_data->reg] |= irq_data->mask;
}
static struct irq_chip wm8350_irq_chip = {
.name = "wm8350",
.bus_lock = wm8350_irq_lock,
.bus_sync_unlock = wm8350_irq_sync_unlock,
.disable = wm8350_irq_disable,
.enable = wm8350_irq_enable,
.name = "wm8350",
.irq_bus_lock = wm8350_irq_lock,
.irq_bus_sync_unlock = wm8350_irq_sync_unlock,
.irq_disable = wm8350_irq_disable,
.irq_enable = wm8350_irq_enable,
};
int wm8350_irq_init(struct wm8350 *wm8350, int irq,

46
drivers/mfd/wm8994-core.c
View File

@ -18,6 +18,7 @@
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/machine.h>
@ -169,8 +170,16 @@ out:
EXPORT_SYMBOL_GPL(wm8994_set_bits);
static struct mfd_cell wm8994_regulator_devs[] = {
{ .name = "wm8994-ldo", .id = 1 },
{ .name = "wm8994-ldo", .id = 2 },
{
.name = "wm8994-ldo",
.id = 1,
.pm_runtime_no_callbacks = true,
},
{
.name = "wm8994-ldo",
.id = 2,
.pm_runtime_no_callbacks = true,
},
};
static struct resource wm8994_codec_resources[] = {
@ -200,6 +209,7 @@ static struct mfd_cell wm8994_devs[] = {
.name = "wm8994-gpio",
.num_resources = ARRAY_SIZE(wm8994_gpio_resources),
.resources = wm8994_gpio_resources,
.pm_runtime_no_callbacks = true,
},
};
@ -231,7 +241,7 @@ static const char *wm8958_main_supplies[] = {
};
#ifdef CONFIG_PM
static int wm8994_device_suspend(struct device *dev)
static int wm8994_suspend(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
@ -261,7 +271,7 @@ static int wm8994_device_suspend(struct device *dev)
return 0;
}
static int wm8994_device_resume(struct device *dev)
static int wm8994_resume(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
@ -471,6 +481,9 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
goto err_irq;
}
pm_runtime_enable(wm8994->dev);
pm_runtime_resume(wm8994->dev);
return 0;
err_irq:
@ -490,6 +503,7 @@ err:
static void wm8994_device_exit(struct wm8994 *wm8994)
{
pm_runtime_disable(wm8994->dev);
mfd_remove_devices(wm8994->dev);
wm8994_irq_exit(wm8994);
regulator_bulk_disable(wm8994->num_supplies,
@ -573,21 +587,6 @@ static int wm8994_i2c_remove(struct i2c_client *i2c)
return 0;
}
#ifdef CONFIG_PM
static int wm8994_i2c_suspend(struct i2c_client *i2c, pm_message_t state)
{
return wm8994_device_suspend(&i2c->dev);
}
static int wm8994_i2c_resume(struct i2c_client *i2c)
{
return wm8994_device_resume(&i2c->dev);
}
#else
#define wm8994_i2c_suspend NULL
#define wm8994_i2c_resume NULL
#endif
static const struct i2c_device_id wm8994_i2c_id[] = {
{ "wm8994", WM8994 },
{ "wm8958", WM8958 },
@ -595,15 +594,16 @@ static const struct i2c_device_id wm8994_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, wm8994_i2c_id);
UNIVERSAL_DEV_PM_OPS(wm8994_pm_ops, wm8994_suspend, wm8994_resume, NULL);
static struct i2c_driver wm8994_i2c_driver = {
.driver = {
.name = "wm8994",
.owner = THIS_MODULE,
.name = "wm8994",
.owner = THIS_MODULE,
.pm = &wm8994_pm_ops,
},
.probe = wm8994_i2c_probe,
.remove = wm8994_i2c_remove,
.suspend = wm8994_i2c_suspend,
.resume = wm8994_i2c_resume,
.id_table = wm8994_i2c_id,
};

32
drivers/mfd/wm8994-irq.c
View File

@ -156,16 +156,16 @@ static inline struct wm8994_irq_data *irq_to_wm8994_irq(struct wm8994 *wm8994,
return &wm8994_irqs[irq - wm8994->irq_base];
}
static void wm8994_irq_lock(unsigned int irq)
static void wm8994_irq_lock(struct irq_data *data)
{
struct wm8994 *wm8994 = get_irq_chip_data(irq);
struct wm8994 *wm8994 = irq_data_get_irq_chip_data(data);
mutex_lock(&wm8994->irq_lock);
}
static void wm8994_irq_sync_unlock(unsigned int irq)
static void wm8994_irq_sync_unlock(struct irq_data *data)
{
struct wm8994 *wm8994 = get_irq_chip_data(irq);
struct wm8994 *wm8994 = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(wm8994->irq_masks_cur); i++) {
@ -182,28 +182,30 @@ static void wm8994_irq_sync_unlock(unsigned int irq)
mutex_unlock(&wm8994->irq_lock);
}
static void wm8994_irq_unmask(unsigned int irq)
static void wm8994_irq_unmask(struct irq_data *data)
{
struct wm8994 *wm8994 = get_irq_chip_data(irq);
struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994, irq);
struct wm8994 *wm8994 = irq_data_get_irq_chip_data(data);
struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994,
data->irq);
wm8994->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask;
}
static void wm8994_irq_mask(unsigned int irq)
static void wm8994_irq_mask(struct irq_data *data)
{
struct wm8994 *wm8994 = get_irq_chip_data(irq);
struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994, irq);
struct wm8994 *wm8994 = irq_data_get_irq_chip_data(data);
struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994,
data->irq);
wm8994->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask;
}
static struct irq_chip wm8994_irq_chip = {
.name = "wm8994",
.bus_lock = wm8994_irq_lock,
.bus_sync_unlock = wm8994_irq_sync_unlock,
.mask = wm8994_irq_mask,
.unmask = wm8994_irq_unmask,
.name = "wm8994",
.irq_bus_lock = wm8994_irq_lock,
.irq_bus_sync_unlock = wm8994_irq_sync_unlock,
.irq_mask = wm8994_irq_mask,
.irq_unmask = wm8994_irq_unmask,
};
/* The processing of the primary interrupt occurs in a thread so that

2
drivers/misc/Kconfig
View File

@ -64,7 +64,7 @@ config ATMEL_PWM
config AB8500_PWM
bool "AB8500 PWM support"
depends on AB8500_CORE
depends on AB8500_CORE && ARCH_U8500
select HAVE_PWM
help
This driver exports functions to enable/disble/config/free Pulse

73
drivers/misc/cs5535-mfgpt.c
View File

@ -16,12 +16,11 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/cs5535.h>
#include <linux/slab.h>
#define DRV_NAME "cs5535-mfgpt"
#define MFGPT_BAR 2
static int mfgpt_reset_timers;
module_param_named(mfgptfix, mfgpt_reset_timers, int, 0644);
@ -37,7 +36,7 @@ static struct cs5535_mfgpt_chip {
DECLARE_BITMAP(avail, MFGPT_MAX_TIMERS);
resource_size_t base;
struct pci_dev *pdev;
struct platform_device *pdev;
spinlock_t lock;
int initialized;
} cs5535_mfgpt_chip;
@ -290,10 +289,10 @@ static int __init scan_timers(struct cs5535_mfgpt_chip *mfgpt)
return timers;
}
static int __init cs5535_mfgpt_probe(struct pci_dev *pdev,
const struct pci_device_id *pci_id)
static int __devinit cs5535_mfgpt_probe(struct platform_device *pdev)
{
int err, t;
struct resource *res;
int err = -EIO, t;
/* There are two ways to get the MFGPT base address; one is by
* fetching it from MSR_LBAR_MFGPT, the other is by reading the
@ -302,29 +301,27 @@ static int __init cs5535_mfgpt_probe(struct pci_dev *pdev,
* it turns out to be unreliable in the face of crappy BIOSes, we
* can always go back to using MSRs.. */
err = pci_enable_device_io(pdev);
if (err) {
dev_err(&pdev->dev, "can't enable device IO\n");
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res) {
dev_err(&pdev->dev, "can't fetch device resource info\n");
goto done;
}
err = pci_request_region(pdev, MFGPT_BAR, DRV_NAME);
if (err) {
dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", MFGPT_BAR);
if (!request_region(res->start, resource_size(res), pdev->name)) {
dev_err(&pdev->dev, "can't request region\n");
goto done;
}
/* set up the driver-specific struct */
cs5535_mfgpt_chip.base = pci_resource_start(pdev, MFGPT_BAR);
cs5535_mfgpt_chip.base = res->start;
cs5535_mfgpt_chip.pdev = pdev;
spin_lock_init(&cs5535_mfgpt_chip.lock);
dev_info(&pdev->dev, "allocated PCI BAR #%d: base 0x%llx\n", MFGPT_BAR,
(unsigned long long) cs5535_mfgpt_chip.base);
dev_info(&pdev->dev, "reserved resource region %pR\n", res);
/* detect the available timers */
t = scan_timers(&cs5535_mfgpt_chip);
dev_info(&pdev->dev, DRV_NAME ": %d MFGPT timers available\n", t);
dev_info(&pdev->dev, "%d MFGPT timers available\n", t);
cs5535_mfgpt_chip.initialized = 1;
return 0;
@ -332,47 +329,18 @@ done:
return err;
}
static struct pci_device_id cs5535_mfgpt_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) },
{ 0, },
static struct platform_driver cs5535_mfgpt_drv = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
},
.probe = cs5535_mfgpt_probe,
};
MODULE_DEVICE_TABLE(pci, cs5535_mfgpt_pci_tbl);
/*
* Just like with the cs5535-gpio driver, we can't use the standard PCI driver
* registration stuff. It only allows only one driver to bind to each PCI
* device, and we want the GPIO and MFGPT drivers to be able to share a PCI
* device. Instead, we manually scan for the PCI device, request a single
* region, and keep track of the devices that we're using.
*/
static int __init cs5535_mfgpt_scan_pci(void)
{
struct pci_dev *pdev;
int err = -ENODEV;
int i;
for (i = 0; i < ARRAY_SIZE(cs5535_mfgpt_pci_tbl); i++) {
pdev = pci_get_device(cs5535_mfgpt_pci_tbl[i].vendor,
cs5535_mfgpt_pci_tbl[i].device, NULL);
if (pdev) {
err = cs5535_mfgpt_probe(pdev,
&cs5535_mfgpt_pci_tbl[i]);
if (err)
pci_dev_put(pdev);
/* we only support a single CS5535/6 southbridge */
break;
}
}
return err;
}
static int __init cs5535_mfgpt_init(void)
{
return cs5535_mfgpt_scan_pci();
return platform_driver_register(&cs5535_mfgpt_drv);
}
module_init(cs5535_mfgpt_init);
@ -380,3 +348,4 @@ module_init(cs5535_mfgpt_init);
MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
MODULE_DESCRIPTION("CS5535/CS5536 MFGPT timer driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);

94
drivers/regulator/max8998.c
View File

@ -424,6 +424,9 @@ static int max8998_set_voltage_buck(struct regulator_dev *rdev,
}
}
if (pdata->buck_voltage_lock)
return -EINVAL;
/* no predefine regulator found */
max8998->buck1_idx = (buck1_last_val % 2) + 2;
dev_dbg(max8998->dev, "max8998->buck1_idx:%d\n",
@ -451,18 +454,26 @@ buck1_exit:
"BUCK2, i:%d buck2_vol1:%d, buck2_vol2:%d\n"
, i, max8998->buck2_vol[0], max8998->buck2_vol[1]);
if (gpio_is_valid(pdata->buck2_set3)) {
if (max8998->buck2_vol[0] == i) {
max8998->buck1_idx = 0;
buck2_gpio_set(pdata->buck2_set3, 0);
} else {
max8998->buck1_idx = 1;
ret = max8998_get_voltage_register(rdev, &reg,
&shift,
&mask);
ret = max8998_write_reg(i2c, reg, i);
max8998->buck2_vol[1] = i;
buck2_gpio_set(pdata->buck2_set3, 1);
/* check if requested voltage */
/* value is already defined */
for (j = 0; j < ARRAY_SIZE(max8998->buck2_vol); j++) {
if (max8998->buck2_vol[j] == i) {
max8998->buck2_idx = j;
buck2_gpio_set(pdata->buck2_set3, j);
goto buck2_exit;
}
}
if (pdata->buck_voltage_lock)
return -EINVAL;
max8998_get_voltage_register(rdev,
&reg, &shift, &mask);
ret = max8998_write_reg(i2c, reg, i);
max8998->buck2_vol[max8998->buck2_idx] = i;
buck2_gpio_set(pdata->buck2_set3, max8998->buck2_idx);
buck2_exit:
dev_dbg(max8998->dev, "%s: SET3:%d\n", i2c->name,
gpio_get_value(pdata->buck2_set3));
} else {
@ -707,6 +718,9 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, max8998);
i2c = max8998->iodev->i2c;
max8998->buck1_idx = pdata->buck1_default_idx;
max8998->buck2_idx = pdata->buck2_default_idx;
/* NOTE: */
/* For unused GPIO NOT marked as -1 (thereof equal to 0) WARN_ON */
/* will be displayed */
@ -739,23 +753,46 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
!= (pdata->buck1_max_voltage1 / 1000))
< (pdata->buck1_voltage1 / 1000))
i++;
printk(KERN_ERR "i:%d, buck1_idx:%d\n", i, max8998->buck1_idx);
max8998->buck1_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i);
if (ret)
return ret;
/* Set predefined value for BUCK1 register 2 */
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
!= (pdata->buck1_max_voltage2 / 1000))
< (pdata->buck1_voltage2 / 1000))
i++;
max8998->buck1_vol[1] = i;
printk(KERN_ERR "i:%d, buck1_idx:%d\n", i, max8998->buck1_idx);
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE2, i)
+ ret;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE2, i);
if (ret)
return ret;
/* Set predefined value for BUCK1 register 3 */
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
< (pdata->buck1_voltage3 / 1000))
i++;
max8998->buck1_vol[2] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE3, i);
if (ret)
return ret;
/* Set predefined value for BUCK1 register 4 */
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
< (pdata->buck1_voltage4 / 1000))
i++;
max8998->buck1_vol[3] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE4, i);
if (ret)
return ret;
@ -772,18 +809,28 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
gpio_direction_output(pdata->buck2_set3,
max8998->buck2_idx & 0x1);
/* BUCK2 - set preset default voltage value to buck2_vol[0] */
/* BUCK2 register 1 */
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
!= (pdata->buck2_max_voltage / 1000))
< (pdata->buck2_voltage1 / 1000))
i++;
printk(KERN_ERR "i:%d, buck2_idx:%d\n", i, max8998->buck2_idx);
max8998->buck2_vol[0] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i);
if (ret)
return ret;
/* BUCK2 register 2 */
i = 0;
while (buck12_voltage_map_desc.min +
buck12_voltage_map_desc.step*i
< (pdata->buck2_voltage2 / 1000))
i++;
printk(KERN_ERR "i2:%d, buck2_idx:%d\n", i, max8998->buck2_idx);
max8998->buck2_vol[1] = i;
ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i);
if (ret)
return ret;
}
for (i = 0; i < pdata->num_regulators; i++) {
@ -835,6 +882,12 @@ static int __devexit max8998_pmic_remove(struct platform_device *pdev)
return 0;
}
static const struct platform_device_id max8998_pmic_id[] = {
{ "max8998-pmic", TYPE_MAX8998 },
{ "lp3974-pmic", TYPE_LP3974 },
{ }
};
static struct platform_driver max8998_pmic_driver = {
.driver = {
.name = "max8998-pmic",
@ -842,6 +895,7 @@ static struct platform_driver max8998_pmic_driver = {
},
.probe = max8998_pmic_probe,
.remove = __devexit_p(max8998_pmic_remove),
.id_table = max8998_pmic_id,
};
static int __init max8998_pmic_init(void)

56
drivers/rtc/rtc-max8998.c
View File

@ -20,6 +20,7 @@
#include <linux/platform_device.h>
#include <linux/mfd/max8998.h>
#include <linux/mfd/max8998-private.h>
#include <linux/delay.h>
#define MAX8998_RTC_SEC 0x00
#define MAX8998_RTC_MIN 0x01
@ -73,6 +74,7 @@ struct max8998_rtc_info {
struct i2c_client *rtc;
struct rtc_device *rtc_dev;
int irq;
bool lp3974_bug_workaround;
};
static void max8998_data_to_tm(u8 *data, struct rtc_time *tm)
@ -124,10 +126,16 @@ static int max8998_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct max8998_rtc_info *info = dev_get_drvdata(dev);
u8 data[8];
int ret;
max8998_tm_to_data(tm, data);
return max8998_bulk_write(info->rtc, MAX8998_RTC_SEC, 8, data);
ret = max8998_bulk_write(info->rtc, MAX8998_RTC_SEC, 8, data);
if (info->lp3974_bug_workaround)
msleep(2000);
return ret;
}
static int max8998_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
@ -163,12 +171,29 @@ static int max8998_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
static int max8998_rtc_stop_alarm(struct max8998_rtc_info *info)
{
return max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, 0);
int ret = max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, 0);
if (info->lp3974_bug_workaround)
msleep(2000);
return ret;
}
static int max8998_rtc_start_alarm(struct max8998_rtc_info *info)
{
return max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, 0x77);
int ret;
u8 alarm0_conf = 0x77;
/* LP3974 with delay bug chips has rtc alarm bugs with "MONTH" field */
if (info->lp3974_bug_workaround)
alarm0_conf = 0x57;
ret = max8998_write_reg(info->rtc, MAX8998_ALARM0_CONF, alarm0_conf);
if (info->lp3974_bug_workaround)
msleep(2000);
return ret;
}
static int max8998_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
@ -187,10 +212,13 @@ static int max8998_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (ret < 0)
return ret;
if (alrm->enabled)
return max8998_rtc_start_alarm(info);
if (info->lp3974_bug_workaround)
msleep(2000);
return 0;
if (alrm->enabled)
ret = max8998_rtc_start_alarm(info);
return ret;
}
static int max8998_rtc_alarm_irq_enable(struct device *dev,
@ -224,6 +252,7 @@ static const struct rtc_class_ops max8998_rtc_ops = {
static int __devinit max8998_rtc_probe(struct platform_device *pdev)
{
struct max8998_dev *max8998 = dev_get_drvdata(pdev->dev.parent);
struct max8998_platform_data *pdata = dev_get_platdata(max8998->dev);
struct max8998_rtc_info *info;
int ret;
@ -249,10 +278,18 @@ static int __devinit max8998_rtc_probe(struct platform_device *pdev)
ret = request_threaded_irq(info->irq, NULL, max8998_rtc_alarm_irq, 0,
"rtc-alarm0", info);
if (ret < 0)
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->irq, ret);
dev_info(&pdev->dev, "RTC CHIP NAME: %s\n", pdev->id_entry->name);
if (pdata->rtc_delay) {
info->lp3974_bug_workaround = true;
dev_warn(&pdev->dev, "LP3974 with RTC REGERR option."
" RTC updates will be extremely slow.\n");
}
return 0;
out_rtc:
@ -273,6 +310,12 @@ static int __devexit max8998_rtc_remove(struct platform_device *pdev)
return 0;
}
static const struct platform_device_id max8998_rtc_id[] = {
{ "max8998-rtc", TYPE_MAX8998 },
{ "lp3974-rtc", TYPE_LP3974 },
{ }
};
static struct platform_driver max8998_rtc_driver = {
.driver = {
.name = "max8998-rtc",
@ -280,6 +323,7 @@ static struct platform_driver max8998_rtc_driver = {
},
.probe = max8998_rtc_probe,
.remove = __devexit_p(max8998_rtc_remove),
.id_table = max8998_rtc_id,
};
static int __init max8998_rtc_init(void)

53
include/linux/mfd/ab8500.h
View File

@ -74,30 +74,37 @@
#define AB8500_INT_ACC_DETECT_21DB_F 37
#define AB8500_INT_ACC_DETECT_21DB_R 38
#define AB8500_INT_GP_SW_ADC_CONV_END 39
#define AB8500_INT_BTEMP_LOW 72
#define AB8500_INT_BTEMP_LOW_MEDIUM 73
#define AB8500_INT_BTEMP_MEDIUM_HIGH 74
#define AB8500_INT_BTEMP_HIGH 75
#define AB8500_INT_USB_CHARGER_NOT_OK 81
#define AB8500_INT_ID_WAKEUP_R 82
#define AB8500_INT_ID_DET_R1R 84
#define AB8500_INT_ID_DET_R2R 85
#define AB8500_INT_ID_DET_R3R 86
#define AB8500_INT_ID_DET_R4R 87
#define AB8500_INT_ID_WAKEUP_F 88
#define AB8500_INT_ID_DET_R1F 90
#define AB8500_INT_ID_DET_R2F 91
#define AB8500_INT_ID_DET_R3F 92
#define AB8500_INT_ID_DET_R4F 93
#define AB8500_INT_USB_CHG_DET_DONE 94
#define AB8500_INT_USB_CH_TH_PROT_F 96
#define AB8500_INT_USB_CH_TH_PROP_R 97
#define AB8500_INT_MAIN_CH_TH_PROP_F 98
#define AB8500_INT_MAIN_CH_TH_PROT_R 99
#define AB8500_INT_USB_CHARGER_NOT_OKF 103
#define AB8500_INT_ADP_SOURCE_ERROR 72
#define AB8500_INT_ADP_SINK_ERROR 73
#define AB8500_INT_ADP_PROBE_PLUG 74
#define AB8500_INT_ADP_PROBE_UNPLUG 75
#define AB8500_INT_ADP_SENSE_OFF 76
#define AB8500_INT_USB_PHY_POWER_ERR 78
#define AB8500_INT_USB_LINK_STATUS 79
#define AB8500_INT_BTEMP_LOW 80
#define AB8500_INT_BTEMP_LOW_MEDIUM 81
#define AB8500_INT_BTEMP_MEDIUM_HIGH 82
#define AB8500_INT_BTEMP_HIGH 83
#define AB8500_INT_USB_CHARGER_NOT_OK 89
#define AB8500_INT_ID_WAKEUP_R 90
#define AB8500_INT_ID_DET_R1R 92
#define AB8500_INT_ID_DET_R2R 93
#define AB8500_INT_ID_DET_R3R 94
#define AB8500_INT_ID_DET_R4R 95
#define AB8500_INT_ID_WAKEUP_F 96
#define AB8500_INT_ID_DET_R1F 98
#define AB8500_INT_ID_DET_R2F 99
#define AB8500_INT_ID_DET_R3F 100
#define AB8500_INT_ID_DET_R4F 101
#define AB8500_INT_USB_CHG_DET_DONE 102
#define AB8500_INT_USB_CH_TH_PROT_F 104
#define AB8500_INT_USB_CH_TH_PROT_R 105
#define AB8500_INT_MAIN_CH_TH_PROT_F 106
#define AB8500_INT_MAIN_CH_TH_PROT_R 107
#define AB8500_INT_USB_CHARGER_NOT_OKF 111
#define AB8500_NR_IRQS 104
#define AB8500_NUM_IRQ_REGS 13
#define AB8500_NR_IRQS 112
#define AB8500_NUM_IRQ_REGS 14
/**
* struct ab8500 - ab8500 internal structure

6
include/linux/mfd/core.h
View File

@ -47,6 +47,12 @@ struct mfd_cell {
/* don't check for resource conflicts */
bool ignore_resource_conflicts;
/*
* Disable runtime PM callbacks for this subdevice - see
* pm_runtime_no_callbacks().
*/
bool pm_runtime_no_callbacks;
};
extern int mfd_add_devices(struct device *parent, int id,

2
include/linux/mfd/max8998-private.h
View File

@ -159,10 +159,12 @@ struct max8998_dev {
u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
int type;
bool wakeup;
};
int max8998_irq_init(struct max8998_dev *max8998);
void max8998_irq_exit(struct max8998_dev *max8998);
int max8998_irq_resume(struct max8998_dev *max8998);
extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,

31
include/linux/mfd/max8998.h
View File

@ -70,24 +70,43 @@ struct max8998_regulator_data {
* @num_regulators: number of regultors used
* @irq_base: base IRQ number for max8998, required for IRQs
* @ono: power onoff IRQ number for max8998
* @buck1_max_voltage1: BUCK1 maximum alowed voltage register 1
* @buck1_max_voltage2: BUCK1 maximum alowed voltage register 2
* @buck2_max_voltage: BUCK2 maximum alowed voltage
* @buck_voltage_lock: Do NOT change the values of the following six
* registers set by buck?_voltage?. The voltage of BUCK1/2 cannot
* be other than the preset values.
* @buck1_voltage1: BUCK1 DVS mode 1 voltage register
* @buck1_voltage2: BUCK1 DVS mode 2 voltage register
* @buck1_voltage3: BUCK1 DVS mode 3 voltage register
* @buck1_voltage4: BUCK1 DVS mode 4 voltage register
* @buck2_voltage1: BUCK2 DVS mode 1 voltage register
* @buck2_voltage2: BUCK2 DVS mode 2 voltage register
* @buck1_set1: BUCK1 gpio pin 1 to set output voltage
* @buck1_set2: BUCK1 gpio pin 2 to set output voltage
* @buck1_default_idx: Default for BUCK1 gpio pin 1, 2
* @buck2_set3: BUCK2 gpio pin to set output voltage
* @buck2_default_idx: Default for BUCK2 gpio pin.
* @wakeup: Allow to wake up from suspend
* @rtc_delay: LP3974 RTC chip bug that requires delay after a register
* write before reading it.
*/
struct max8998_platform_data {
struct max8998_regulator_data *regulators;
int num_regulators;
int irq_base;
int ono;
int buck1_max_voltage1;
int buck1_max_voltage2;
int buck2_max_voltage;
bool buck_voltage_lock;
int buck1_voltage1;
int buck1_voltage2;
int buck1_voltage3;
int buck1_voltage4;
int buck2_voltage1;
int buck2_voltage2;
int buck1_set1;
int buck1_set2;
int buck1_default_idx;
int buck2_set3;
int buck2_default_idx;
bool wakeup;
bool rtc_delay;
};
#endif /* __LINUX_MFD_MAX8998_H */

1
include/linux/mfd/wm831x/core.h
View File

@ -245,6 +245,7 @@ enum wm831x_parent {
WM8320 = 0x8320,
WM8321 = 0x8321,
WM8325 = 0x8325,
WM8326 = 0x8326,
};
struct wm831x {