tsc200x-core.h (2592B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _TSC200X_CORE_H 3#define _TSC200X_CORE_H 4 5/* control byte 1 */ 6#define TSC200X_CMD 0x80 7#define TSC200X_CMD_NORMAL 0x00 8#define TSC200X_CMD_STOP 0x01 9#define TSC200X_CMD_12BIT 0x04 10 11/* control byte 0 */ 12#define TSC200X_REG_READ 0x01 /* R/W access */ 13#define TSC200X_REG_PND0 0x02 /* Power Not Down Control */ 14#define TSC200X_REG_X (0x0 << 3) 15#define TSC200X_REG_Y (0x1 << 3) 16#define TSC200X_REG_Z1 (0x2 << 3) 17#define TSC200X_REG_Z2 (0x3 << 3) 18#define TSC200X_REG_AUX (0x4 << 3) 19#define TSC200X_REG_TEMP1 (0x5 << 3) 20#define TSC200X_REG_TEMP2 (0x6 << 3) 21#define TSC200X_REG_STATUS (0x7 << 3) 22#define TSC200X_REG_AUX_HIGH (0x8 << 3) 23#define TSC200X_REG_AUX_LOW (0x9 << 3) 24#define TSC200X_REG_TEMP_HIGH (0xA << 3) 25#define TSC200X_REG_TEMP_LOW (0xB << 3) 26#define TSC200X_REG_CFR0 (0xC << 3) 27#define TSC200X_REG_CFR1 (0xD << 3) 28#define TSC200X_REG_CFR2 (0xE << 3) 29#define TSC200X_REG_CONV_FUNC (0xF << 3) 30 31/* configuration register 0 */ 32#define TSC200X_CFR0_PRECHARGE_276US 0x0040 33#define TSC200X_CFR0_STABTIME_1MS 0x0300 34#define TSC200X_CFR0_CLOCK_1MHZ 0x1000 35#define TSC200X_CFR0_RESOLUTION12 0x2000 36#define TSC200X_CFR0_PENMODE 0x8000 37#define TSC200X_CFR0_INITVALUE (TSC200X_CFR0_STABTIME_1MS | \ 38 TSC200X_CFR0_CLOCK_1MHZ | \ 39 TSC200X_CFR0_RESOLUTION12 | \ 40 TSC200X_CFR0_PRECHARGE_276US | \ 41 TSC200X_CFR0_PENMODE) 42 43/* bits common to both read and write of configuration register 0 */ 44#define TSC200X_CFR0_RW_MASK 0x3fff 45 46/* configuration register 1 */ 47#define TSC200X_CFR1_BATCHDELAY_4MS 0x0003 48#define TSC200X_CFR1_INITVALUE TSC200X_CFR1_BATCHDELAY_4MS 49 50/* configuration register 2 */ 51#define TSC200X_CFR2_MAVE_Z 0x0004 52#define TSC200X_CFR2_MAVE_Y 0x0008 53#define TSC200X_CFR2_MAVE_X 0x0010 54#define TSC200X_CFR2_AVG_7 0x0800 55#define TSC200X_CFR2_MEDIUM_15 0x3000 56#define TSC200X_CFR2_INITVALUE (TSC200X_CFR2_MAVE_X | \ 57 TSC200X_CFR2_MAVE_Y | \ 58 TSC200X_CFR2_MAVE_Z | \ 59 TSC200X_CFR2_MEDIUM_15 | \ 60 TSC200X_CFR2_AVG_7) 61 62#define MAX_12BIT 0xfff 63#define TSC200X_DEF_X_FUZZ 4 64#define TSC200X_DEF_Y_FUZZ 8 65#define TSC200X_DEF_P_FUZZ 2 66#define TSC200X_DEF_RESISTOR 280 67 68#define TSC2005_SPI_MAX_SPEED_HZ 10000000 69#define TSC200X_PENUP_TIME_MS 40 70 71extern const struct regmap_config tsc200x_regmap_config; 72extern const struct dev_pm_ops tsc200x_pm_ops; 73 74int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, 75 struct regmap *regmap, 76 int (*tsc200x_cmd)(struct device *dev, u8 cmd)); 77void tsc200x_remove(struct device *dev); 78 79#endif