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author | Jean Delvare <khali@linux-fr.org> | 2010-10-28 20:31:50 +0200 |
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committer | Jean Delvare <khali@endymion.delvare> | 2010-10-28 20:31:50 +0200 |
commit | bd5f47ec961594b1091839333600008f8166fd00 (patch) | |
tree | aa4296edffd81e2976d20d3ea30ea18108b2a4de /drivers/macintosh/ams/ams.h | |
parent | 6dfee85397a47063291fe199eaf950bee7944454 (diff) | |
download | linux-bd5f47ec961594b1091839333600008f8166fd00.tar.gz linux-bd5f47ec961594b1091839333600008f8166fd00.tar.bz2 linux-bd5f47ec961594b1091839333600008f8166fd00.zip |
Move ams driver to macintosh
The ams driver isn't a hardware monitoring driver, so it shouldn't
live under driver/hwmon. drivers/macintosh seems much more
appropriate, as the driver is only useful on PowerBooks and iBooks.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Stelian Pop <stelian@popies.net>
Cc: Michael Hanselmann <linux-kernel@hansmi.ch>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/macintosh/ams/ams.h')
-rw-r--r-- | drivers/macintosh/ams/ams.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/macintosh/ams/ams.h b/drivers/macintosh/ams/ams.h new file mode 100644 index 000000000000..90f094d45450 --- /dev/null +++ b/drivers/macintosh/ams/ams.h @@ -0,0 +1,70 @@ +#include <linux/i2c.h> +#include <linux/input-polldev.h> +#include <linux/kthread.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> +#include <linux/types.h> +#include <linux/of_device.h> + +enum ams_irq { + AMS_IRQ_FREEFALL = 0x01, + AMS_IRQ_SHOCK = 0x02, + AMS_IRQ_GLOBAL = 0x04, + AMS_IRQ_ALL = + AMS_IRQ_FREEFALL | + AMS_IRQ_SHOCK | + AMS_IRQ_GLOBAL, +}; + +struct ams { + /* Locks */ + spinlock_t irq_lock; + struct mutex lock; + + /* General properties */ + struct device_node *of_node; + struct platform_device *of_dev; + char has_device; + char vflag; + u32 orient1; + u32 orient2; + + /* Interrupt worker */ + struct work_struct worker; + u8 worker_irqs; + + /* Implementation + * + * Only call these functions with the main lock held. + */ + void (*exit)(void); + + void (*get_xyz)(s8 *x, s8 *y, s8 *z); + u8 (*get_vendor)(void); + + void (*clear_irq)(enum ams_irq reg); + +#ifdef CONFIG_SENSORS_AMS_I2C + /* I2C properties */ + struct i2c_client *i2c_client; +#endif + + /* Joystick emulation */ + struct input_polled_dev *idev; + __u16 bustype; + + /* calibrated null values */ + int xcalib, ycalib, zcalib; +}; + +extern struct ams ams_info; + +extern void ams_sensors(s8 *x, s8 *y, s8 *z); +extern int ams_sensor_attach(void); +extern void ams_sensor_detach(void); + +extern int ams_pmu_init(struct device_node *np); +extern int ams_i2c_init(struct device_node *np); + +extern int ams_input_init(void); +extern void ams_input_exit(void); |