xref: /OK3568_Linux_fs/kernel/drivers/input/touchscreen/tsc200x-core.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _TSC200X_CORE_H
3*4882a593Smuzhiyun #define _TSC200X_CORE_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /* control byte 1 */
6*4882a593Smuzhiyun #define TSC200X_CMD			0x80
7*4882a593Smuzhiyun #define TSC200X_CMD_NORMAL		0x00
8*4882a593Smuzhiyun #define TSC200X_CMD_STOP		0x01
9*4882a593Smuzhiyun #define TSC200X_CMD_12BIT		0x04
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /* control byte 0 */
12*4882a593Smuzhiyun #define TSC200X_REG_READ		0x01 /* R/W access */
13*4882a593Smuzhiyun #define TSC200X_REG_PND0		0x02 /* Power Not Down Control */
14*4882a593Smuzhiyun #define TSC200X_REG_X			(0x0 << 3)
15*4882a593Smuzhiyun #define TSC200X_REG_Y			(0x1 << 3)
16*4882a593Smuzhiyun #define TSC200X_REG_Z1			(0x2 << 3)
17*4882a593Smuzhiyun #define TSC200X_REG_Z2			(0x3 << 3)
18*4882a593Smuzhiyun #define TSC200X_REG_AUX			(0x4 << 3)
19*4882a593Smuzhiyun #define TSC200X_REG_TEMP1		(0x5 << 3)
20*4882a593Smuzhiyun #define TSC200X_REG_TEMP2		(0x6 << 3)
21*4882a593Smuzhiyun #define TSC200X_REG_STATUS		(0x7 << 3)
22*4882a593Smuzhiyun #define TSC200X_REG_AUX_HIGH		(0x8 << 3)
23*4882a593Smuzhiyun #define TSC200X_REG_AUX_LOW		(0x9 << 3)
24*4882a593Smuzhiyun #define TSC200X_REG_TEMP_HIGH		(0xA << 3)
25*4882a593Smuzhiyun #define TSC200X_REG_TEMP_LOW		(0xB << 3)
26*4882a593Smuzhiyun #define TSC200X_REG_CFR0		(0xC << 3)
27*4882a593Smuzhiyun #define TSC200X_REG_CFR1		(0xD << 3)
28*4882a593Smuzhiyun #define TSC200X_REG_CFR2		(0xE << 3)
29*4882a593Smuzhiyun #define TSC200X_REG_CONV_FUNC		(0xF << 3)
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun /* configuration register 0 */
32*4882a593Smuzhiyun #define TSC200X_CFR0_PRECHARGE_276US	0x0040
33*4882a593Smuzhiyun #define TSC200X_CFR0_STABTIME_1MS	0x0300
34*4882a593Smuzhiyun #define TSC200X_CFR0_CLOCK_1MHZ		0x1000
35*4882a593Smuzhiyun #define TSC200X_CFR0_RESOLUTION12	0x2000
36*4882a593Smuzhiyun #define TSC200X_CFR0_PENMODE		0x8000
37*4882a593Smuzhiyun #define TSC200X_CFR0_INITVALUE		(TSC200X_CFR0_STABTIME_1MS    | \
38*4882a593Smuzhiyun 					 TSC200X_CFR0_CLOCK_1MHZ      | \
39*4882a593Smuzhiyun 					 TSC200X_CFR0_RESOLUTION12    | \
40*4882a593Smuzhiyun 					 TSC200X_CFR0_PRECHARGE_276US | \
41*4882a593Smuzhiyun 					 TSC200X_CFR0_PENMODE)
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun /* bits common to both read and write of configuration register 0 */
44*4882a593Smuzhiyun #define	TSC200X_CFR0_RW_MASK		0x3fff
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun /* configuration register 1 */
47*4882a593Smuzhiyun #define TSC200X_CFR1_BATCHDELAY_4MS	0x0003
48*4882a593Smuzhiyun #define TSC200X_CFR1_INITVALUE		TSC200X_CFR1_BATCHDELAY_4MS
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun /* configuration register 2 */
51*4882a593Smuzhiyun #define TSC200X_CFR2_MAVE_Z		0x0004
52*4882a593Smuzhiyun #define TSC200X_CFR2_MAVE_Y		0x0008
53*4882a593Smuzhiyun #define TSC200X_CFR2_MAVE_X		0x0010
54*4882a593Smuzhiyun #define TSC200X_CFR2_AVG_7		0x0800
55*4882a593Smuzhiyun #define TSC200X_CFR2_MEDIUM_15		0x3000
56*4882a593Smuzhiyun #define TSC200X_CFR2_INITVALUE		(TSC200X_CFR2_MAVE_X	| \
57*4882a593Smuzhiyun 					 TSC200X_CFR2_MAVE_Y	| \
58*4882a593Smuzhiyun 					 TSC200X_CFR2_MAVE_Z	| \
59*4882a593Smuzhiyun 					 TSC200X_CFR2_MEDIUM_15	| \
60*4882a593Smuzhiyun 					 TSC200X_CFR2_AVG_7)
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #define MAX_12BIT			0xfff
63*4882a593Smuzhiyun #define TSC200X_DEF_X_FUZZ		4
64*4882a593Smuzhiyun #define TSC200X_DEF_Y_FUZZ		8
65*4882a593Smuzhiyun #define TSC200X_DEF_P_FUZZ		2
66*4882a593Smuzhiyun #define TSC200X_DEF_RESISTOR		280
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun #define TSC2005_SPI_MAX_SPEED_HZ	10000000
69*4882a593Smuzhiyun #define TSC200X_PENUP_TIME_MS		40
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun extern const struct regmap_config tsc200x_regmap_config;
72*4882a593Smuzhiyun extern const struct dev_pm_ops tsc200x_pm_ops;
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id,
75*4882a593Smuzhiyun 		  struct regmap *regmap,
76*4882a593Smuzhiyun 		  int (*tsc200x_cmd)(struct device *dev, u8 cmd));
77*4882a593Smuzhiyun int tsc200x_remove(struct device *dev);
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun #endif
80