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1039d762d0
MC13783 can be programmed to wait some clock cycles between the touchscreen polarization and the resistance conversion. This is needed to adjust for touchscreens with high capacitance between plates. Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
211 lines
5.9 KiB
C
211 lines
5.9 KiB
C
/*
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* Copyright 2009-2010 Pengutronix
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* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License version 2 as published by the
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* Free Software Foundation.
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*/
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#ifndef __LINUX_MFD_MC13XXX_H
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#define __LINUX_MFD_MC13XXX_H
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#include <linux/interrupt.h>
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struct mc13xxx;
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void mc13xxx_lock(struct mc13xxx *mc13xxx);
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void mc13xxx_unlock(struct mc13xxx *mc13xxx);
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int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val);
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int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val);
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int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
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u32 mask, u32 val);
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int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
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int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
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irq_handler_t handler, const char *name, void *dev);
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int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
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irq_handler_t handler, const char *name, void *dev);
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int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev);
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int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq);
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int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq);
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int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
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int *enabled, int *pending);
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int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq);
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int mc13xxx_get_flags(struct mc13xxx *mc13xxx);
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int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx,
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unsigned int mode, unsigned int channel,
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u8 ato, bool atox, unsigned int *sample);
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#define MC13XXX_IRQ_ADCDONE 0
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#define MC13XXX_IRQ_ADCBISDONE 1
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#define MC13XXX_IRQ_TS 2
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#define MC13XXX_IRQ_CHGDET 6
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#define MC13XXX_IRQ_CHGREV 8
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#define MC13XXX_IRQ_CHGSHORT 9
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#define MC13XXX_IRQ_CCCV 10
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#define MC13XXX_IRQ_CHGCURR 11
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#define MC13XXX_IRQ_BPON 12
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#define MC13XXX_IRQ_LOBATL 13
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#define MC13XXX_IRQ_LOBATH 14
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#define MC13XXX_IRQ_1HZ 24
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#define MC13XXX_IRQ_TODA 25
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#define MC13XXX_IRQ_SYSRST 30
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#define MC13XXX_IRQ_RTCRST 31
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#define MC13XXX_IRQ_PC 32
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#define MC13XXX_IRQ_WARM 33
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#define MC13XXX_IRQ_MEMHLD 34
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#define MC13XXX_IRQ_THWARNL 36
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#define MC13XXX_IRQ_THWARNH 37
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#define MC13XXX_IRQ_CLK 38
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#define MC13XXX_NUM_IRQ 46
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struct regulator_init_data;
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struct mc13xxx_regulator_init_data {
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int id;
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struct regulator_init_data *init_data;
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struct device_node *node;
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};
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struct mc13xxx_regulator_platform_data {
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int num_regulators;
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struct mc13xxx_regulator_init_data *regulators;
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};
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struct mc13xxx_led_platform_data {
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#define MC13783_LED_MD 0
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#define MC13783_LED_AD 1
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#define MC13783_LED_KP 2
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#define MC13783_LED_R1 3
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#define MC13783_LED_G1 4
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#define MC13783_LED_B1 5
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#define MC13783_LED_R2 6
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#define MC13783_LED_G2 7
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#define MC13783_LED_B2 8
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#define MC13783_LED_R3 9
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#define MC13783_LED_G3 10
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#define MC13783_LED_B3 11
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#define MC13783_LED_MAX MC13783_LED_B3
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int id;
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const char *name;
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const char *default_trigger;
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/* Three or two bits current selection depending on the led */
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char max_current;
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};
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struct mc13xxx_leds_platform_data {
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int num_leds;
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struct mc13xxx_led_platform_data *led;
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#define MC13783_LED_TRIODE_MD (1 << 0)
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#define MC13783_LED_TRIODE_AD (1 << 1)
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#define MC13783_LED_TRIODE_KP (1 << 2)
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#define MC13783_LED_BOOST_EN (1 << 3)
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#define MC13783_LED_TC1HALF (1 << 4)
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#define MC13783_LED_SLEWLIMTC (1 << 5)
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#define MC13783_LED_SLEWLIMBL (1 << 6)
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#define MC13783_LED_TRIODE_TC1 (1 << 7)
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#define MC13783_LED_TRIODE_TC2 (1 << 8)
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#define MC13783_LED_TRIODE_TC3 (1 << 9)
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int flags;
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#define MC13783_LED_AB_DISABLED 0
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#define MC13783_LED_AB_MD1 1
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#define MC13783_LED_AB_MD12 2
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#define MC13783_LED_AB_MD123 3
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#define MC13783_LED_AB_MD1234 4
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#define MC13783_LED_AB_MD1234_AD1 5
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#define MC13783_LED_AB_MD1234_AD12 6
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#define MC13783_LED_AB_MD1_AD 7
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char abmode;
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#define MC13783_LED_ABREF_200MV 0
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#define MC13783_LED_ABREF_400MV 1
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#define MC13783_LED_ABREF_600MV 2
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#define MC13783_LED_ABREF_800MV 3
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char abref;
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#define MC13783_LED_PERIOD_10MS 0
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#define MC13783_LED_PERIOD_100MS 1
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#define MC13783_LED_PERIOD_500MS 2
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#define MC13783_LED_PERIOD_2S 3
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char bl_period;
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char tc1_period;
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char tc2_period;
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char tc3_period;
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};
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struct mc13xxx_buttons_platform_data {
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#define MC13783_BUTTON_DBNC_0MS 0
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#define MC13783_BUTTON_DBNC_30MS 1
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#define MC13783_BUTTON_DBNC_150MS 2
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#define MC13783_BUTTON_DBNC_750MS 3
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#define MC13783_BUTTON_ENABLE (1 << 2)
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#define MC13783_BUTTON_POL_INVERT (1 << 3)
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#define MC13783_BUTTON_RESET_EN (1 << 4)
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int b1on_flags;
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unsigned short b1on_key;
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int b2on_flags;
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unsigned short b2on_key;
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int b3on_flags;
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unsigned short b3on_key;
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};
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struct mc13xxx_ts_platform_data {
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/* Delay between Touchscreen polarization and ADC Conversion.
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* Given in clock ticks of a 32 kHz clock which gives a granularity of
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* about 30.5ms */
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u8 ato;
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#define MC13783_TS_ATO_FIRST false
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#define MC13783_TS_ATO_EACH true
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/* Use the ATO delay only for the first conversion or for each one */
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bool atox;
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};
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struct mc13xxx_platform_data {
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#define MC13XXX_USE_TOUCHSCREEN (1 << 0)
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#define MC13XXX_USE_CODEC (1 << 1)
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#define MC13XXX_USE_ADC (1 << 2)
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#define MC13XXX_USE_RTC (1 << 3)
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unsigned int flags;
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struct mc13xxx_regulator_platform_data regulators;
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struct mc13xxx_leds_platform_data *leds;
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struct mc13xxx_buttons_platform_data *buttons;
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struct mc13xxx_ts_platform_data touch;
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};
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#define MC13XXX_ADC_MODE_TS 1
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#define MC13XXX_ADC_MODE_SINGLE_CHAN 2
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#define MC13XXX_ADC_MODE_MULT_CHAN 3
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#define MC13XXX_ADC0 43
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#define MC13XXX_ADC0_LICELLCON (1 << 0)
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#define MC13XXX_ADC0_CHRGICON (1 << 1)
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#define MC13XXX_ADC0_BATICON (1 << 2)
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#define MC13XXX_ADC0_ADREFEN (1 << 10)
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#define MC13XXX_ADC0_TSMOD0 (1 << 12)
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#define MC13XXX_ADC0_TSMOD1 (1 << 13)
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#define MC13XXX_ADC0_TSMOD2 (1 << 14)
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#define MC13XXX_ADC0_ADINC1 (1 << 16)
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#define MC13XXX_ADC0_ADINC2 (1 << 17)
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#define MC13XXX_ADC0_TSMOD_MASK (MC13XXX_ADC0_TSMOD0 | \
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MC13XXX_ADC0_TSMOD1 | \
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MC13XXX_ADC0_TSMOD2)
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#define MC13XXX_ADC0_CONFIG_MASK (MC13XXX_ADC0_TSMOD_MASK | \
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MC13XXX_ADC0_LICELLCON | \
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MC13XXX_ADC0_CHRGICON | \
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MC13XXX_ADC0_BATICON)
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#endif /* ifndef __LINUX_MFD_MC13XXX_H */
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