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