ad714x.c (31a6296333b94964e9a073649840bb34d4603369) ad714x.c (6c04d7b3cf50a393f07f22a661d05d15db5dc6f6)
1/*
1/*
2 * AD714X CapTouch Programmable Controller driver
2 * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
3 *
4 * Copyright 2009 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <linux/device.h>
10#include <linux/init.h>
11#include <linux/input.h>
12#include <linux/interrupt.h>
13#include <linux/slab.h>
14#include <linux/input/ad714x.h>
15#include "ad714x.h"
16
17#define AD714X_PWR_CTRL 0x0
18#define AD714X_STG_CAL_EN_REG 0x1
19#define AD714X_AMB_COMP_CTRL0_REG 0x2
20#define AD714X_PARTID_REG 0x17
3 *
4 * Copyright 2009 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <linux/device.h>
10#include <linux/init.h>
11#include <linux/input.h>
12#include <linux/interrupt.h>
13#include <linux/slab.h>
14#include <linux/input/ad714x.h>
15#include "ad714x.h"
16
17#define AD714X_PWR_CTRL 0x0
18#define AD714X_STG_CAL_EN_REG 0x1
19#define AD714X_AMB_COMP_CTRL0_REG 0x2
20#define AD714X_PARTID_REG 0x17
21#define AD7147_PARTID 0x1470
22#define AD7142_PARTID 0xE620
21#define AD7142_PARTID 0xE620
22#define AD7143_PARTID 0xE630
23#define AD7147_PARTID 0x1470
24#define AD7148_PARTID 0x1480
23#define AD714X_STAGECFG_REG 0x80
24#define AD714X_SYSCFG_REG 0x0
25
26#define STG_LOW_INT_EN_REG 0x5
27#define STG_HIGH_INT_EN_REG 0x6
28#define STG_COM_INT_EN_REG 0x7
29#define STG_LOW_INT_STA_REG 0x8
30#define STG_HIGH_INT_STA_REG 0x9

--- 926 unchanged lines hidden (view full) ---

957}
958
959static int ad714x_hw_detect(struct ad714x_chip *ad714x)
960{
961 unsigned short data;
962
963 ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
964 switch (data & 0xFFF0) {
25#define AD714X_STAGECFG_REG 0x80
26#define AD714X_SYSCFG_REG 0x0
27
28#define STG_LOW_INT_EN_REG 0x5
29#define STG_HIGH_INT_EN_REG 0x6
30#define STG_COM_INT_EN_REG 0x7
31#define STG_LOW_INT_STA_REG 0x8
32#define STG_HIGH_INT_STA_REG 0x9

--- 926 unchanged lines hidden (view full) ---

959}
960
961static int ad714x_hw_detect(struct ad714x_chip *ad714x)
962{
963 unsigned short data;
964
965 ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
966 switch (data & 0xFFF0) {
967 case AD7142_PARTID:
968 ad714x->product = 0x7142;
969 ad714x->version = data & 0xF;
970 dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
971 ad714x->version);
972 return 0;
973
974 case AD7143_PARTID:
975 ad714x->product = 0x7143;
976 ad714x->version = data & 0xF;
977 dev_info(ad714x->dev, "found AD7143 captouch, rev:%d\n",
978 ad714x->version);
979 return 0;
980
965 case AD7147_PARTID:
966 ad714x->product = 0x7147;
967 ad714x->version = data & 0xF;
981 case AD7147_PARTID:
982 ad714x->product = 0x7147;
983 ad714x->version = data & 0xF;
968 dev_info(ad714x->dev, "found AD7147 captouch, rev:%d\n",
984 dev_info(ad714x->dev, "found AD7147(A) captouch, rev:%d\n",
969 ad714x->version);
970 return 0;
971
985 ad714x->version);
986 return 0;
987
972 case AD7142_PARTID:
973 ad714x->product = 0x7142;
988 case AD7148_PARTID:
989 ad714x->product = 0x7148;
974 ad714x->version = data & 0xF;
990 ad714x->version = data & 0xF;
975 dev_info(ad714x->dev, "found AD7142 captouch, rev:%d\n",
991 dev_info(ad714x->dev, "found AD7148 captouch, rev:%d\n",
976 ad714x->version);
977 return 0;
978
979 default:
980 dev_err(ad714x->dev,
981 "fail to detect AD714X captouch, read ID is %04x\n",
982 data);
983 return -ENODEV;

--- 348 unchanged lines hidden --- 		992 ad714x->version);
993 return 0;
994
995 default:
996 dev_err(ad714x->dev,
997 "fail to detect AD714X captouch, read ID is %04x\n",
998 data);
999 return -ENODEV;

--- 348 unchanged lines hidden ---