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mfd: mc13xxx: Use regmap irq framework for interrupts 

This patch convert mc13xxx MFD driver to use regmap irq framework
for interrupt registration.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Alexander Shiyan 2014-06-18 21:05:40 +04:00 committed by Lee Jones
parent 215cd99a1e
commit 10f9edaeaa
5 changed files with 65 additions and 281 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/mfd/Kconfig
View File

@ -187,6 +187,7 @@ config MFD_MC13XXX
tristate tristate
depends on (SPI_MASTER || I2C) depends on (SPI_MASTER || I2C)
select MFD_CORE select MFD_CORE
select REGMAP_IRQ
help help
Enable support for the Freescale MC13783 and MC13892 PMICs. Enable support for the Freescale MC13783 and MC13892 PMICs.
This driver provides common support for accessing the device, This driver provides common support for accessing the device,

306
drivers/mfd/mc13xxx-core.c
View File

@ -10,106 +10,18 @@
* Free Software Foundation. * Free Software Foundation.
*/ */
#include <linux/slab.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/mfd/mc13xxx.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/of_gpio.h> #include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include "mc13xxx.h" #include "mc13xxx.h"
#define MC13XXX_IRQSTAT0 0 #define MC13XXX_IRQSTAT0 0
#define MC13XXX_IRQSTAT0_ADCDONEI (1 << 0)
#define MC13XXX_IRQSTAT0_ADCBISDONEI (1 << 1)
#define MC13XXX_IRQSTAT0_TSI (1 << 2)
#define MC13783_IRQSTAT0_WHIGHI (1 << 3)
#define MC13783_IRQSTAT0_WLOWI (1 << 4)
#define MC13XXX_IRQSTAT0_CHGDETI (1 << 6)
#define MC13783_IRQSTAT0_CHGOVI (1 << 7)
#define MC13XXX_IRQSTAT0_CHGREVI (1 << 8)
#define MC13XXX_IRQSTAT0_CHGSHORTI (1 << 9)
#define MC13XXX_IRQSTAT0_CCCVI (1 << 10)
#define MC13XXX_IRQSTAT0_CHGCURRI (1 << 11)
#define MC13XXX_IRQSTAT0_BPONI (1 << 12)
#define MC13XXX_IRQSTAT0_LOBATLI (1 << 13)
#define MC13XXX_IRQSTAT0_LOBATHI (1 << 14)
#define MC13783_IRQSTAT0_UDPI (1 << 15)
#define MC13783_IRQSTAT0_USBI (1 << 16)
#define MC13783_IRQSTAT0_IDI (1 << 19)
#define MC13783_IRQSTAT0_SE1I (1 << 21)
#define MC13783_IRQSTAT0_CKDETI (1 << 22)
#define MC13783_IRQSTAT0_UDMI (1 << 23)
#define MC13XXX_IRQMASK0 1 #define MC13XXX_IRQMASK0 1
#define MC13XXX_IRQMASK0_ADCDONEM MC13XXX_IRQSTAT0_ADCDONEI
#define MC13XXX_IRQMASK0_ADCBISDONEM MC13XXX_IRQSTAT0_ADCBISDONEI
#define MC13XXX_IRQMASK0_TSM MC13XXX_IRQSTAT0_TSI
#define MC13783_IRQMASK0_WHIGHM MC13783_IRQSTAT0_WHIGHI
#define MC13783_IRQMASK0_WLOWM MC13783_IRQSTAT0_WLOWI
#define MC13XXX_IRQMASK0_CHGDETM MC13XXX_IRQSTAT0_CHGDETI
#define MC13783_IRQMASK0_CHGOVM MC13783_IRQSTAT0_CHGOVI
#define MC13XXX_IRQMASK0_CHGREVM MC13XXX_IRQSTAT0_CHGREVI
#define MC13XXX_IRQMASK0_CHGSHORTM MC13XXX_IRQSTAT0_CHGSHORTI
#define MC13XXX_IRQMASK0_CCCVM MC13XXX_IRQSTAT0_CCCVI
#define MC13XXX_IRQMASK0_CHGCURRM MC13XXX_IRQSTAT0_CHGCURRI
#define MC13XXX_IRQMASK0_BPONM MC13XXX_IRQSTAT0_BPONI
#define MC13XXX_IRQMASK0_LOBATLM MC13XXX_IRQSTAT0_LOBATLI
#define MC13XXX_IRQMASK0_LOBATHM MC13XXX_IRQSTAT0_LOBATHI
#define MC13783_IRQMASK0_UDPM MC13783_IRQSTAT0_UDPI
#define MC13783_IRQMASK0_USBM MC13783_IRQSTAT0_USBI
#define MC13783_IRQMASK0_IDM MC13783_IRQSTAT0_IDI
#define MC13783_IRQMASK0_SE1M MC13783_IRQSTAT0_SE1I
#define MC13783_IRQMASK0_CKDETM MC13783_IRQSTAT0_CKDETI
#define MC13783_IRQMASK0_UDMM MC13783_IRQSTAT0_UDMI
#define MC13XXX_IRQSTAT1 3 #define MC13XXX_IRQSTAT1 3
#define MC13XXX_IRQSTAT1_1HZI (1 << 0)
#define MC13XXX_IRQSTAT1_TODAI (1 << 1)
#define MC13783_IRQSTAT1_ONOFD1I (1 << 3)
#define MC13783_IRQSTAT1_ONOFD2I (1 << 4)
#define MC13783_IRQSTAT1_ONOFD3I (1 << 5)
#define MC13XXX_IRQSTAT1_SYSRSTI (1 << 6)
#define MC13XXX_IRQSTAT1_RTCRSTI (1 << 7)
#define MC13XXX_IRQSTAT1_PCI (1 << 8)
#define MC13XXX_IRQSTAT1_WARMI (1 << 9)
#define MC13XXX_IRQSTAT1_MEMHLDI (1 << 10)
#define MC13783_IRQSTAT1_PWRRDYI (1 << 11)
#define MC13XXX_IRQSTAT1_THWARNLI (1 << 12)
#define MC13XXX_IRQSTAT1_THWARNHI (1 << 13)
#define MC13XXX_IRQSTAT1_CLKI (1 << 14)
#define MC13783_IRQSTAT1_SEMAFI (1 << 15)
#define MC13783_IRQSTAT1_MC2BI (1 << 17)
#define MC13783_IRQSTAT1_HSDETI (1 << 18)
#define MC13783_IRQSTAT1_HSLI (1 << 19)
#define MC13783_IRQSTAT1_ALSPTHI (1 << 20)
#define MC13783_IRQSTAT1_AHSSHORTI (1 << 21)
#define MC13XXX_IRQMASK1 4 #define MC13XXX_IRQMASK1 4
#define MC13XXX_IRQMASK1_1HZM MC13XXX_IRQSTAT1_1HZI
#define MC13XXX_IRQMASK1_TODAM MC13XXX_IRQSTAT1_TODAI
#define MC13783_IRQMASK1_ONOFD1M MC13783_IRQSTAT1_ONOFD1I
#define MC13783_IRQMASK1_ONOFD2M MC13783_IRQSTAT1_ONOFD2I
#define MC13783_IRQMASK1_ONOFD3M MC13783_IRQSTAT1_ONOFD3I
#define MC13XXX_IRQMASK1_SYSRSTM MC13XXX_IRQSTAT1_SYSRSTI
#define MC13XXX_IRQMASK1_RTCRSTM MC13XXX_IRQSTAT1_RTCRSTI
#define MC13XXX_IRQMASK1_PCM MC13XXX_IRQSTAT1_PCI
#define MC13XXX_IRQMASK1_WARMM MC13XXX_IRQSTAT1_WARMI
#define MC13XXX_IRQMASK1_MEMHLDM MC13XXX_IRQSTAT1_MEMHLDI
#define MC13783_IRQMASK1_PWRRDYM MC13783_IRQSTAT1_PWRRDYI
#define MC13XXX_IRQMASK1_THWARNLM MC13XXX_IRQSTAT1_THWARNLI
#define MC13XXX_IRQMASK1_THWARNHM MC13XXX_IRQSTAT1_THWARNHI
#define MC13XXX_IRQMASK1_CLKM MC13XXX_IRQSTAT1_CLKI
#define MC13783_IRQMASK1_SEMAFM MC13783_IRQSTAT1_SEMAFI
#define MC13783_IRQMASK1_MC2BM MC13783_IRQSTAT1_MC2BI
#define MC13783_IRQMASK1_HSDETM MC13783_IRQSTAT1_HSDETI
#define MC13783_IRQMASK1_HSLM MC13783_IRQSTAT1_HSLI
#define MC13783_IRQMASK1_ALSPTHM MC13783_IRQSTAT1_ALSPTHI
#define MC13783_IRQMASK1_AHSSHORTM MC13783_IRQSTAT1_AHSSHORTI
#define MC13XXX_REVISION 7 #define MC13XXX_REVISION 7
#define MC13XXX_REVISION_REVMETAL (0x07 << 0) #define MC13XXX_REVISION_REVMETAL (0x07 << 0)
@ -189,45 +101,21 @@ EXPORT_SYMBOL(mc13xxx_reg_rmw);
int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq) int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq)
{ {
int ret; int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
unsigned int offmask = irq < 24 ? MC13XXX_IRQMASK0 : MC13XXX_IRQMASK1;
u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
u32 mask;
if (irq < 0 || irq >= MC13XXX_NUM_IRQ) disable_irq_nosync(virq);
return -EINVAL;
ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
if (ret)
return ret;
if (mask & irqbit)
/* already masked */
return 0; return 0;
return mc13xxx_reg_write(mc13xxx, offmask, mask | irqbit);
} }
EXPORT_SYMBOL(mc13xxx_irq_mask); EXPORT_SYMBOL(mc13xxx_irq_mask);
int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq) int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq)
{ {
int ret; int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
unsigned int offmask = irq < 24 ? MC13XXX_IRQMASK0 : MC13XXX_IRQMASK1;
u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
u32 mask;
if (irq < 0 || irq >= MC13XXX_NUM_IRQ) enable_irq(virq);
return -EINVAL;
ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
if (ret)
return ret;
if (!(mask & irqbit))
/* already unmasked */
return 0; return 0;
return mc13xxx_reg_write(mc13xxx, offmask, mask & ~irqbit);
} }
EXPORT_SYMBOL(mc13xxx_irq_unmask); EXPORT_SYMBOL(mc13xxx_irq_unmask);
@ -239,7 +127,7 @@ int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
unsigned int offstat = irq < 24 ? MC13XXX_IRQSTAT0 : MC13XXX_IRQSTAT1; unsigned int offstat = irq < 24 ? MC13XXX_IRQSTAT0 : MC13XXX_IRQSTAT1;
u32 irqbit = 1 << (irq < 24 ? irq : irq - 24); u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
if (irq < 0 || irq >= MC13XXX_NUM_IRQ) if (irq < 0 || irq >= ARRAY_SIZE(mc13xxx->irqs))
return -EINVAL; return -EINVAL;
if (enabled) { if (enabled) {
@ -266,147 +154,26 @@ int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
} }
EXPORT_SYMBOL(mc13xxx_irq_status); EXPORT_SYMBOL(mc13xxx_irq_status);
int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq)
{
unsigned int offstat = irq < 24 ? MC13XXX_IRQSTAT0 : MC13XXX_IRQSTAT1;
unsigned int val = 1 << (irq < 24 ? irq : irq - 24);
BUG_ON(irq < 0 || irq >= MC13XXX_NUM_IRQ);
return mc13xxx_reg_write(mc13xxx, offstat, val);
}
EXPORT_SYMBOL(mc13xxx_irq_ack);
int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
irq_handler_t handler, const char *name, void *dev)
{
BUG_ON(!mutex_is_locked(&mc13xxx->lock));
BUG_ON(!handler);
if (irq < 0 || irq >= MC13XXX_NUM_IRQ)
return -EINVAL;
if (mc13xxx->irqhandler[irq])
return -EBUSY;
mc13xxx->irqhandler[irq] = handler;
mc13xxx->irqdata[irq] = dev;
return 0;
}
EXPORT_SYMBOL(mc13xxx_irq_request_nounmask);
int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq, int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
irq_handler_t handler, const char *name, void *dev) irq_handler_t handler, const char *name, void *dev)
{ {
int ret; int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
ret = mc13xxx_irq_request_nounmask(mc13xxx, irq, handler, name, dev); return devm_request_threaded_irq(mc13xxx->dev, virq, NULL, handler,
if (ret) 0, name, dev);
return ret;
ret = mc13xxx_irq_unmask(mc13xxx, irq);
if (ret) {
mc13xxx->irqhandler[irq] = NULL;
mc13xxx->irqdata[irq] = NULL;
return ret;
}
return 0;
} }
EXPORT_SYMBOL(mc13xxx_irq_request); EXPORT_SYMBOL(mc13xxx_irq_request);
int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev) int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev)
{ {
int ret; int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
BUG_ON(!mutex_is_locked(&mc13xxx->lock));
if (irq < 0 || irq >= MC13XXX_NUM_IRQ || !mc13xxx->irqhandler[irq] || devm_free_irq(mc13xxx->dev, virq, dev);
mc13xxx->irqdata[irq] != dev)
return -EINVAL;
ret = mc13xxx_irq_mask(mc13xxx, irq);
if (ret)
return ret;
mc13xxx->irqhandler[irq] = NULL;
mc13xxx->irqdata[irq] = NULL;
return 0; return 0;
} }
EXPORT_SYMBOL(mc13xxx_irq_free); EXPORT_SYMBOL(mc13xxx_irq_free);
static inline irqreturn_t mc13xxx_irqhandler(struct mc13xxx *mc13xxx, int irq)
{
return mc13xxx->irqhandler[irq](irq, mc13xxx->irqdata[irq]);
}
/*
* returns: number of handled irqs or negative error
* locking: holds mc13xxx->lock
*/
static int mc13xxx_irq_handle(struct mc13xxx *mc13xxx,
unsigned int offstat, unsigned int offmask, int baseirq)
{
u32 stat, mask;
int ret = mc13xxx_reg_read(mc13xxx, offstat, &stat);
int num_handled = 0;
if (ret)
return ret;
ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
if (ret)
return ret;
while (stat & ~mask) {
int irq = __ffs(stat & ~mask);
stat &= ~(1 << irq);
if (likely(mc13xxx->irqhandler[baseirq + irq])) {
irqreturn_t handled;
handled = mc13xxx_irqhandler(mc13xxx, baseirq + irq);
if (handled == IRQ_HANDLED)
num_handled++;
} else {
dev_err(mc13xxx->dev,
"BUG: irq %u but no handler\n",
baseirq + irq);
mask |= 1 << irq;
ret = mc13xxx_reg_write(mc13xxx, offmask, mask);
}
}
return num_handled;
}
static irqreturn_t mc13xxx_irq_thread(int irq, void *data)
{
struct mc13xxx *mc13xxx = data;
irqreturn_t ret;
int handled = 0;
mc13xxx_lock(mc13xxx);
ret = mc13xxx_irq_handle(mc13xxx, MC13XXX_IRQSTAT0,
MC13XXX_IRQMASK0, 0);
if (ret > 0)
handled = 1;
ret = mc13xxx_irq_handle(mc13xxx, MC13XXX_IRQSTAT1,
MC13XXX_IRQMASK1, 24);
if (ret > 0)
handled = 1;
mc13xxx_unlock(mc13xxx);
return IRQ_RETVAL(handled);
}
#define maskval(reg, mask) (((reg) & (mask)) >> __ffs(mask)) #define maskval(reg, mask) (((reg) & (mask)) >> __ffs(mask))
static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision) static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision)
{ {
@ -475,8 +242,6 @@ static irqreturn_t mc13xxx_handler_adcdone(int irq, void *data)
{ {
struct mc13xxx_adcdone_data *adcdone_data = data; struct mc13xxx_adcdone_data *adcdone_data = data;
mc13xxx_irq_ack(adcdone_data->mc13xxx, irq);
complete_all(&adcdone_data->done); complete_all(&adcdone_data->done);
return IRQ_HANDLED; return IRQ_HANDLED;
@ -544,7 +309,6 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__); dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__);
mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE, mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
mc13xxx_handler_adcdone, __func__, &adcdone_data); mc13xxx_handler_adcdone, __func__, &adcdone_data);
mc13xxx_irq_ack(mc13xxx, MC13XXX_IRQ_ADCDONE);
mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0); mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);
mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1); mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);
@ -599,7 +363,8 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,
if (!cell.name) if (!cell.name)
return -ENOMEM; return -ENOMEM;
return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0, NULL); return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0,
regmap_irq_get_domain(mc13xxx->irq_data));
} }
static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format) static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format)
@ -640,8 +405,8 @@ int mc13xxx_common_init(struct device *dev)
{ {
struct mc13xxx_platform_data *pdata = dev_get_platdata(dev); struct mc13xxx_platform_data *pdata = dev_get_platdata(dev);
struct mc13xxx *mc13xxx = dev_get_drvdata(dev); struct mc13xxx *mc13xxx = dev_get_drvdata(dev);
int ret;
u32 revision; u32 revision;
int i, ret;
mc13xxx->dev = dev; mc13xxx->dev = dev;
@ -651,31 +416,32 @@ int mc13xxx_common_init(struct device *dev)
mc13xxx->variant->print_revision(mc13xxx, revision); mc13xxx->variant->print_revision(mc13xxx, revision);
/* mask all irqs */ for (i = 0; i < ARRAY_SIZE(mc13xxx->irqs); i++) {
ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK0, 0x00ffffff); mc13xxx->irqs[i].reg_offset = i / MC13XXX_IRQ_PER_REG;
if (ret) mc13xxx->irqs[i].mask = BIT(i % MC13XXX_IRQ_PER_REG);
return ret; }
ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK1, 0x00ffffff); mc13xxx->irq_chip.name = dev_name(dev);
mc13xxx->irq_chip.status_base = MC13XXX_IRQSTAT0;
mc13xxx->irq_chip.mask_base = MC13XXX_IRQMASK0;
mc13xxx->irq_chip.ack_base = MC13XXX_IRQSTAT0;
mc13xxx->irq_chip.irq_reg_stride = MC13XXX_IRQSTAT1 - MC13XXX_IRQSTAT0;
mc13xxx->irq_chip.init_ack_masked = true;
mc13xxx->irq_chip.use_ack = true;
mc13xxx->irq_chip.num_regs = MC13XXX_IRQ_REG_CNT;
mc13xxx->irq_chip.irqs = mc13xxx->irqs;
mc13xxx->irq_chip.num_irqs = ARRAY_SIZE(mc13xxx->irqs);
ret = regmap_add_irq_chip(mc13xxx->regmap, mc13xxx->irq, IRQF_ONESHOT,
0, &mc13xxx->irq_chip, &mc13xxx->irq_data);
if (ret) if (ret)
return ret; return ret;
mutex_init(&mc13xxx->lock); mutex_init(&mc13xxx->lock);
ret = request_threaded_irq(mc13xxx->irq, NULL, mc13xxx_irq_thread,
IRQF_ONESHOT | IRQF_TRIGGER_HIGH, "mc13xxx", mc13xxx);
if (ret)
return ret;
if (mc13xxx_probe_flags_dt(mc13xxx) < 0 && pdata) if (mc13xxx_probe_flags_dt(mc13xxx) < 0 && pdata)
mc13xxx->flags = pdata->flags; mc13xxx->flags = pdata->flags;
if (mc13xxx->flags & MC13XXX_USE_ADC)
mc13xxx_add_subdevice(mc13xxx, "%s-adc");
if (mc13xxx->flags & MC13XXX_USE_RTC)
mc13xxx_add_subdevice(mc13xxx, "%s-rtc");
if (pdata) { if (pdata) {
mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator", mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator",
&pdata->regulators, sizeof(pdata->regulators)); &pdata->regulators, sizeof(pdata->regulators));
@ -699,6 +465,12 @@ int mc13xxx_common_init(struct device *dev)
mc13xxx_add_subdevice(mc13xxx, "%s-ts"); mc13xxx_add_subdevice(mc13xxx, "%s-ts");
} }
if (mc13xxx->flags & MC13XXX_USE_ADC)
mc13xxx_add_subdevice(mc13xxx, "%s-adc");
if (mc13xxx->flags & MC13XXX_USE_RTC)
mc13xxx_add_subdevice(mc13xxx, "%s-rtc");
return 0; return 0;
} }
EXPORT_SYMBOL_GPL(mc13xxx_common_init); EXPORT_SYMBOL_GPL(mc13xxx_common_init);
@ -707,8 +479,8 @@ int mc13xxx_common_exit(struct device *dev)
{ {
struct mc13xxx *mc13xxx = dev_get_drvdata(dev); struct mc13xxx *mc13xxx = dev_get_drvdata(dev);
free_irq(mc13xxx->irq, mc13xxx);
mfd_remove_devices(dev); mfd_remove_devices(dev);
regmap_del_irq_chip(mc13xxx->irq, mc13xxx->irq_data);
mutex_destroy(&mc13xxx->lock); mutex_destroy(&mc13xxx->lock);
return 0; return 0;

9
drivers/mfd/mc13xxx.h
View File

@ -14,6 +14,8 @@
#include <linux/mfd/mc13xxx.h> #include <linux/mfd/mc13xxx.h>
#define MC13XXX_NUMREGS 0x3f #define MC13XXX_NUMREGS 0x3f
#define MC13XXX_IRQ_REG_CNT 2
#define MC13XXX_IRQ_PER_REG 24
struct mc13xxx; struct mc13xxx;
@ -33,13 +35,14 @@ struct mc13xxx {
struct device *dev; struct device *dev;
const struct mc13xxx_variant *variant; const struct mc13xxx_variant *variant;
struct regmap_irq irqs[MC13XXX_IRQ_PER_REG * MC13XXX_IRQ_REG_CNT];
struct regmap_irq_chip irq_chip;
struct regmap_irq_chip_data *irq_data;
struct mutex lock; struct mutex lock;
int irq; int irq;
int flags; int flags;
irq_handler_t irqhandler[MC13XXX_NUM_IRQ];
void *irqdata[MC13XXX_NUM_IRQ];
int adcflags; int adcflags;
}; };

1
include/linux/mfd/mc13783.h
View File

@ -86,6 +86,5 @@
#define MC13783_IRQ_HSL 43 #define MC13783_IRQ_HSL 43
#define MC13783_IRQ_ALSPTH 44 #define MC13783_IRQ_ALSPTH 44
#define MC13783_IRQ_AHSSHORT 45 #define MC13783_IRQ_AHSSHORT 45
#define MC13783_NUM_IRQ MC13XXX_NUM_IRQ
#endif /* ifndef __LINUX_MFD_MC13783_H */ #endif /* ifndef __LINUX_MFD_MC13783_H */

23
include/linux/mfd/mc13xxx.h
View File

@ -23,15 +23,10 @@ int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq, int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
irq_handler_t handler, const char *name, void *dev); irq_handler_t handler, const char *name, void *dev);
int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
irq_handler_t handler, const char *name, void *dev);
int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev); int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev);
int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq);
int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq);
int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq, int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
int *enabled, int *pending); int *enabled, int *pending);
int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq);
int mc13xxx_get_flags(struct mc13xxx *mc13xxx); int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
@ -39,6 +34,22 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx,
unsigned int mode, unsigned int channel, unsigned int mode, unsigned int channel,
u8 ato, bool atox, unsigned int *sample); u8 ato, bool atox, unsigned int *sample);
/* Deprecated calls */
static inline int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq)
{
return 0;
}
static inline int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
irq_handler_t handler,
const char *name, void *dev)
{
return mc13xxx_irq_request(mc13xxx, irq, handler, name, dev);
}
int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq);
int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq);
#define MC13783_AUDIO_RX0 36 #define MC13783_AUDIO_RX0 36
#define MC13783_AUDIO_RX1 37 #define MC13783_AUDIO_RX1 37
#define MC13783_AUDIO_TX 38 #define MC13783_AUDIO_TX 38
@ -68,8 +79,6 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx,
#define MC13XXX_IRQ_THWARNH 37 #define MC13XXX_IRQ_THWARNH 37
#define MC13XXX_IRQ_CLK 38 #define MC13XXX_IRQ_CLK 38
#define MC13XXX_NUM_IRQ 46
struct regulator_init_data; struct regulator_init_data;
struct mc13xxx_regulator_init_data { struct mc13xxx_regulator_init_data {