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;
73extern const struct attribute_group *tsc200x_groups[];
74
75int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
76		  struct regmap *regmap,
77		  int (*tsc200x_cmd)(struct device *dev, u8 cmd));
78void tsc200x_remove(struct device *dev);
79
80#endif
81