diff options
Diffstat (limited to 'kernel/include/linux/mfd/lm3533.h')
| -rw-r--r-- | kernel/include/linux/mfd/lm3533.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/kernel/include/linux/mfd/lm3533.h b/kernel/include/linux/mfd/lm3533.h new file mode 100644 index 000000000..594bc591f --- /dev/null +++ b/kernel/include/linux/mfd/lm3533.h @@ -0,0 +1,104 @@ +/* + * lm3533.h -- LM3533 interface + * + * Copyright (C) 2011-2012 Texas Instruments + * + * Author: Johan Hovold <jhovold@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __LINUX_MFD_LM3533_H +#define __LINUX_MFD_LM3533_H + +#define LM3533_ATTR_RO(_name) \ + DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL) +#define LM3533_ATTR_RW(_name) \ + DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name) + +struct device; +struct regmap; + +struct lm3533 { + struct device *dev; + + struct regmap *regmap; + + int gpio_hwen; + int irq; + + unsigned have_als:1; + unsigned have_backlights:1; + unsigned have_leds:1; +}; + +struct lm3533_ctrlbank { + struct lm3533 *lm3533; + struct device *dev; + int id; +}; + +struct lm3533_als_platform_data { + unsigned pwm_mode:1; /* PWM input mode (default analog) */ + u8 r_select; /* 1 - 127 (ignored in PWM-mode) */ +}; + +struct lm3533_bl_platform_data { + char *name; + u16 max_current; /* 5000 - 29800 uA (800 uA step) */ + u8 default_brightness; /* 0 - 255 */ + u8 pwm; /* 0 - 0x3f */ +}; + +struct lm3533_led_platform_data { + char *name; + const char *default_trigger; + u16 max_current; /* 5000 - 29800 uA (800 uA step) */ + u8 pwm; /* 0 - 0x3f */ +}; + +enum lm3533_boost_freq { + LM3533_BOOST_FREQ_500KHZ, + LM3533_BOOST_FREQ_1000KHZ, +}; + +enum lm3533_boost_ovp { + LM3533_BOOST_OVP_16V, + LM3533_BOOST_OVP_24V, + LM3533_BOOST_OVP_32V, + LM3533_BOOST_OVP_40V, +}; + +struct lm3533_platform_data { + int gpio_hwen; + + enum lm3533_boost_ovp boost_ovp; + enum lm3533_boost_freq boost_freq; + + struct lm3533_als_platform_data *als; + + struct lm3533_bl_platform_data *backlights; + int num_backlights; + + struct lm3533_led_platform_data *leds; + int num_leds; +}; + +extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb); +extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb); + +extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val); +extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val); +extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, + u16 imax); +extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val); +extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val); + +extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val); +extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val); +extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask); + +#endif /* __LINUX_MFD_LM3533_H */ |