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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-28 03:07:01 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-28 03:07:01 (GMT) |
commit | 551b0bda46d4caf74755a018e2cdb1d093e000c9 (patch) | |
tree | aafdf32ae629903c2f200b090de4b36e598d406c /include | |
parent | 4329510c22af1d0cfcc291dc4ce6274abebfe170 (diff) | |
parent | 8317d5178e7491589693693e5a7f64442cf46ca2 (diff) | |
download | linux-551b0bda46d4caf74755a018e2cdb1d093e000c9.tar.xz |
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:
mfd: Clean up max8997 IRQ namespace
mfd: Fold irq_set_chip/irq_set_handler
mfd: Cleanup irq namespace
mfd: twl6030: Cleanup interrupt handling
mfd: twl4030: Cleanup interrupt handling
mfd: mx8925: Remove irq_desc leftovers
mfd: htc-i2cpld: Cleanup interrupt handling
mfd: htc-egpio: Cleanup interrupt handling
mfd: ezx-pcap: Remvove open coded irq handling
mfd: 88pm860x: Remove unused irq_desc leftovers
mfd: asic3: Cleanup irq handling
mfd: Select MFD_CORE if TPS6105X driver is configured
mfd: Add MODULE_DEVICE_TABLE to rdc321x-southbridge
mfd: Add MAX8997/8966 IRQ control
mfd: Constify i2c_device_id tables
mfd: OLPC: Clean up names to match what OLPC actually uses
mfd: Add mfd_clone_cell(), convert cs5535-mfd/olpc-xo1 to it
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/mfd/core.h | 27 | ||||
-rw-r--r-- | include/linux/mfd/max8997-private.h | 21 | ||||
-rw-r--r-- | include/linux/mfd/max8997.h | 7 |
3 files changed, 44 insertions, 11 deletions
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index 1408bf8..ad1b19a 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -63,6 +63,24 @@ extern int mfd_cell_enable(struct platform_device *pdev); extern int mfd_cell_disable(struct platform_device *pdev); /* + * "Clone" multiple platform devices for a single cell. This is to be used + * for devices that have multiple users of a cell. For example, if an mfd + * driver wants the cell "foo" to be used by a GPIO driver, an MTD driver, + * and a platform driver, the following bit of code would be use after first + * calling mfd_add_devices(): + * + * const char *fclones[] = { "foo-gpio", "foo-mtd" }; + * err = mfd_clone_cells("foo", fclones, ARRAY_SIZE(fclones)); + * + * Each driver (MTD, GPIO, and platform driver) would then register + * platform_drivers for "foo-mtd", "foo-gpio", and "foo", respectively. + * The cell's .enable/.disable hooks should be used to deal with hardware + * resource contention. + */ +extern int mfd_clone_cell(const char *cell, const char **clones, + size_t n_clones); + +/* * Given a platform device that's been created by mfd_add_devices(), fetch * the mfd_cell that created it. */ @@ -87,13 +105,4 @@ extern int mfd_add_devices(struct device *parent, int id, extern void mfd_remove_devices(struct device *parent); -/* - * For MFD drivers with clients sharing access to resources, these create - * multiple platform devices per cell. Contention handling must still be - * handled via drivers (ie, with enable/disable hooks). - */ -extern int mfd_shared_platform_driver_register(struct platform_driver *drv, - const char *cellname); -extern void mfd_shared_platform_driver_unregister(struct platform_driver *drv); - #endif diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h index 93a9477..69d1010 100644 --- a/include/linux/mfd/max8997-private.h +++ b/include/linux/mfd/max8997-private.h @@ -24,6 +24,8 @@ #include <linux/i2c.h> +#define MAX8997_REG_INVALID (0xff) + enum max8997_pmic_reg { MAX8997_REG_PMIC_ID0 = 0x00, MAX8997_REG_PMIC_ID1 = 0x01, @@ -313,6 +315,7 @@ enum max8997_irq { #define MAX8997_REG_BUCK2DVS(x) (MAX8997_REG_BUCK2DVS1 + (x) - 1) #define MAX8997_REG_BUCK5DVS(x) (MAX8997_REG_BUCK5DVS1 + (x) - 1) +#define MAX8997_NUM_GPIO 12 struct max8997_dev { struct device *dev; struct i2c_client *i2c; /* 0xcc / PMIC, Battery Control, and FLASH */ @@ -324,11 +327,19 @@ struct max8997_dev { int type; struct platform_device *battery; /* battery control (not fuel gauge) */ + int irq; + int ono; + int irq_base; bool wakeup; + struct mutex irqlock; + int irq_masks_cur[MAX8997_IRQ_GROUP_NR]; + int irq_masks_cache[MAX8997_IRQ_GROUP_NR]; /* For hibernation */ u8 reg_dump[MAX8997_REG_PMIC_END + MAX8997_MUIC_REG_END + MAX8997_HAPTIC_REG_END]; + + bool gpio_status[MAX8997_NUM_GPIO]; }; enum max8997_types { @@ -336,6 +347,10 @@ enum max8997_types { TYPE_MAX8966, }; +extern int max8997_irq_init(struct max8997_dev *max8997); +extern void max8997_irq_exit(struct max8997_dev *max8997); +extern int max8997_irq_resume(struct max8997_dev *max8997); + extern int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); extern int max8997_bulk_read(struct i2c_client *i2c, u8 reg, int count, u8 *buf); @@ -344,4 +359,10 @@ extern int max8997_bulk_write(struct i2c_client *i2c, u8 reg, int count, u8 *buf); extern int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); +#define MAX8997_GPIO_INT_BOTH (0x3 << 4) +#define MAX8997_GPIO_INT_RISE (0x2 << 4) +#define MAX8997_GPIO_INT_FALL (0x1 << 4) + +#define MAX8997_GPIO_INT_MASK (0x3 << 4) +#define MAX8997_GPIO_DATA_MASK (0x1 << 2) #endif /* __LINUX_MFD_MAX8997_PRIV_H */ diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h index cb671b3..60931d0 100644 --- a/include/linux/mfd/max8997.h +++ b/include/linux/mfd/max8997.h @@ -78,8 +78,11 @@ struct max8997_regulator_data { }; struct max8997_platform_data { - bool wakeup; - /* IRQ: Not implemented */ + /* IRQ */ + int irq_base; + int ono; + int wakeup; + /* ---- PMIC ---- */ struct max8997_regulator_data *regulators; int num_regulators; |