GNU Linux-libre 4.9.328-gnu1
[releases.git] / drivers / input / touchscreen / tsc200x-core.h
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