/* SPDX-License-Identifier: GPL-2.0 */ /* linux/spi/ads7846.h */ /* Touchscreen characteristics vary between boards and models. The * platform_data for the device's "struct device" holds this information. * * It's OK if the min/max values are zero. */ enum ads7846_filter { ADS7846_FILTER_OK, ADS7846_FILTER_REPEAT, ADS7846_FILTER_IGNORE, }; struct ads7846_platform_data { u16 model; /* 7843, 7845, 7846, 7873. */ u16 vref_delay_usecs; /* 0 for external vref; etc */ u16 vref_mv; /* external vref value, milliVolts * ads7846: if 0, use internal vref */ bool keep_vref_on; /* set to keep vref on for differential * measurements as well */ bool swap_xy; /* swap x and y axes */ /* Settling time of the analog signals; a function of Vcc and the * capacitance on the X/Y drivers. If set to non-zero, two samples * are taken with settle_delay us apart, and the second one is used. * ~150 uSec with 0.01uF caps. */ u16 settle_delay_usecs; /* If set to non-zero, after samples are taken this delay is applied * and penirq is rechecked, to help avoid false events. This value * is affected by the material used to build the touch layer. */ u16 penirq_recheck_delay_usecs; u16 x_plate_ohms; u16 y_plate_ohms; u16 x_min, x_max; u16 y_min, y_max; u16 pressure_min, pressure_max; u16 debounce_max; /* max number of additional readings * per sample */ u16 debounce_tol; /* tolerance used for filtering */ u16 debounce_rep; /* additional consecutive good readings * required after the first two */ int gpio_pendown; /* the GPIO used to decide the pendown * state if get_pendown_state == NULL */ int gpio_pendown_debounce; /* platform specific debounce time for * the gpio_pendown */ int (*get_pendown_state)(void); int (*filter_init) (const struct ads7846_platform_data *pdata, void **filter_data); int (*filter) (void *filter_data, int data_idx, int *val); void (*filter_cleanup)(void *filter_data); void (*wait_for_sync)(void); bool wakeup; unsigned long irq_flags; };
Name | Type | Size | Permission | Actions |
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ad7877.h | File | 835 B | 0644 |
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adi_spi3.h | File | 15.1 KB | 0644 |
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ads7846.h | File | 2.02 KB | 0644 |
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at73c213.h | File | 828 B | 0644 |
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at86rf230.h | File | 724 B | 0644 |
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cc2520.h | File | 620 B | 0644 |
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corgi_lcd.h | File | 460 B | 0644 |
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ds1305.h | File | 1.08 KB | 0644 |
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eeprom.h | File | 1.19 KB | 0644 |
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flash.h | File | 1023 B | 0644 |
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ifx_modem.h | File | 616 B | 0644 |
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l4f00242t03.h | File | 847 B | 0644 |
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libertas_spi.h | File | 907 B | 0644 |
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lms283gf05.h | File | 775 B | 0644 |
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max7301.h | File | 939 B | 0644 |
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mc33880.h | File | 196 B | 0644 |
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mcp23s08.h | File | 685 B | 0644 |
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mmc_spi.h | File | 1.91 KB | 0644 |
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mxs-spi.h | File | 5.24 KB | 0644 |
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pxa2xx_spi.h | File | 1.5 KB | 0644 |
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rspi.h | File | 715 B | 0644 |
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s3c24xx.h | File | 816 B | 0644 |
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sh_hspi.h | File | 572 B | 0644 |
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sh_msiof.h | File | 357 B | 0644 |
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spi-fsl-dspi.h | File | 955 B | 0644 |
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spi.h | File | 50.33 KB | 0644 |
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spi_bitbang.h | File | 1.43 KB | 0644 |
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spi_gpio.h | File | 2.56 KB | 0644 |
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spi_oc_tiny.h | File | 628 B | 0644 |
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tdo24m.h | File | 210 B | 0644 |
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tle62x0.h | File | 660 B | 0644 |
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xilinx_spi.h | File | 627 B | 0644 |
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