// SPDX-License-Identifier: GPL-2.0+
/*
* Device driver for monitoring ambient light intensity in (lux) and proximity
- * detection (prox) within the TAOS TSL2X7X family of devices.
+ * detection (prox) within the TAOS TSL2571, TSL2671, TMD2671, TSL2771, TMD2771,
+ * TSL2572, TSL2672, TMD2672, TSL2772, and TMD2772 devices.
*
* Copyright (c) 2012, TAOS Corporation.
* Copyright (c) 2017-2018 Brian Masney <masneyb@onstation.org>
#include <linux/iio/events.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
-#include "tsl2x7x.h"
+#include "tsl2772.h"
/* Cal defs */
#define PROX_STAT_CAL 0
#define PROX_STAT_SAMP 1
#define MAX_SAMPLES_CAL 200
-/* TSL2X7X Device ID */
+/* TSL2772 Device ID */
#define TRITON_ID 0x00
#define SWORDFISH_ID 0x30
#define HALIBUT_ID 0x20
/* Lux calculation constants */
-#define TSL2X7X_LUX_CALC_OVER_FLOW 65535
+#define TSL2772_LUX_CALC_OVER_FLOW 65535
/*
* TAOS Register definitions - Note: depending on device, some of these register
* are not used and the register address is benign.
*/
-/* 2X7X register offsets */
-#define TSL2X7X_MAX_CONFIG_REG 16
+/* Register offsets */
+#define TSL2772_MAX_CONFIG_REG 16
/* Device Registers and Masks */
-#define TSL2X7X_CNTRL 0x00
-#define TSL2X7X_ALS_TIME 0X01
-#define TSL2X7X_PRX_TIME 0x02
-#define TSL2X7X_WAIT_TIME 0x03
-#define TSL2X7X_ALS_MINTHRESHLO 0X04
-#define TSL2X7X_ALS_MINTHRESHHI 0X05
-#define TSL2X7X_ALS_MAXTHRESHLO 0X06
-#define TSL2X7X_ALS_MAXTHRESHHI 0X07
-#define TSL2X7X_PRX_MINTHRESHLO 0X08
-#define TSL2X7X_PRX_MINTHRESHHI 0X09
-#define TSL2X7X_PRX_MAXTHRESHLO 0X0A
-#define TSL2X7X_PRX_MAXTHRESHHI 0X0B
-#define TSL2X7X_PERSISTENCE 0x0C
-#define TSL2X7X_ALS_PRX_CONFIG 0x0D
-#define TSL2X7X_PRX_COUNT 0x0E
-#define TSL2X7X_GAIN 0x0F
-#define TSL2X7X_NOTUSED 0x10
-#define TSL2X7X_REVID 0x11
-#define TSL2X7X_CHIPID 0x12
-#define TSL2X7X_STATUS 0x13
-#define TSL2X7X_ALS_CHAN0LO 0x14
-#define TSL2X7X_ALS_CHAN0HI 0x15
-#define TSL2X7X_ALS_CHAN1LO 0x16
-#define TSL2X7X_ALS_CHAN1HI 0x17
-#define TSL2X7X_PRX_LO 0x18
-#define TSL2X7X_PRX_HI 0x19
-
-/* tsl2X7X cmd reg masks */
-#define TSL2X7X_CMD_REG 0x80
-#define TSL2X7X_CMD_SPL_FN 0x60
-#define TSL2X7X_CMD_REPEAT_PROTO 0x00
-#define TSL2X7X_CMD_AUTOINC_PROTO 0x20
-
-#define TSL2X7X_CMD_PROX_INT_CLR 0X05
-#define TSL2X7X_CMD_ALS_INT_CLR 0x06
-#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07
-
-/* tsl2X7X cntrl reg masks */
-#define TSL2X7X_CNTL_ADC_ENBL 0x02
-#define TSL2X7X_CNTL_PWR_ON 0x01
-
-/* tsl2X7X status reg masks */
-#define TSL2X7X_STA_ADC_VALID 0x01
-#define TSL2X7X_STA_PRX_VALID 0x02
-#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID | \
- TSL2X7X_STA_PRX_VALID)
-#define TSL2X7X_STA_ALS_INTR 0x10
-#define TSL2X7X_STA_PRX_INTR 0x20
-
-/* tsl2X7X cntrl reg masks */
-#define TSL2X7X_CNTL_REG_CLEAR 0x00
-#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20
-#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10
-#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08
-#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04
-#define TSL2X7X_CNTL_PWRON 0x01
-#define TSL2X7X_CNTL_ALSPON_ENBL 0x03
-#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13
-#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F
-#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F
-
-#define TSL2X7X_ALS_GAIN_TRIM_MIN 250
-#define TSL2X7X_ALS_GAIN_TRIM_MAX 4000
-
-/* TAOS txx2x7x Device family members */
+#define TSL2772_CNTRL 0x00
+#define TSL2772_ALS_TIME 0X01
+#define TSL2772_PRX_TIME 0x02
+#define TSL2772_WAIT_TIME 0x03
+#define TSL2772_ALS_MINTHRESHLO 0X04
+#define TSL2772_ALS_MINTHRESHHI 0X05
+#define TSL2772_ALS_MAXTHRESHLO 0X06
+#define TSL2772_ALS_MAXTHRESHHI 0X07
+#define TSL2772_PRX_MINTHRESHLO 0X08
+#define TSL2772_PRX_MINTHRESHHI 0X09
+#define TSL2772_PRX_MAXTHRESHLO 0X0A
+#define TSL2772_PRX_MAXTHRESHHI 0X0B
+#define TSL2772_PERSISTENCE 0x0C
+#define TSL2772_ALS_PRX_CONFIG 0x0D
+#define TSL2772_PRX_COUNT 0x0E
+#define TSL2772_GAIN 0x0F
+#define TSL2772_NOTUSED 0x10
+#define TSL2772_REVID 0x11
+#define TSL2772_CHIPID 0x12
+#define TSL2772_STATUS 0x13
+#define TSL2772_ALS_CHAN0LO 0x14
+#define TSL2772_ALS_CHAN0HI 0x15
+#define TSL2772_ALS_CHAN1LO 0x16
+#define TSL2772_ALS_CHAN1HI 0x17
+#define TSL2772_PRX_LO 0x18
+#define TSL2772_PRX_HI 0x19
+
+/* tsl2772 cmd reg masks */
+#define TSL2772_CMD_REG 0x80
+#define TSL2772_CMD_SPL_FN 0x60
+#define TSL2772_CMD_REPEAT_PROTO 0x00
+#define TSL2772_CMD_AUTOINC_PROTO 0x20
+
+#define TSL2772_CMD_PROX_INT_CLR 0X05
+#define TSL2772_CMD_ALS_INT_CLR 0x06
+#define TSL2772_CMD_PROXALS_INT_CLR 0X07
+
+/* tsl2772 cntrl reg masks */
+#define TSL2772_CNTL_ADC_ENBL 0x02
+#define TSL2772_CNTL_PWR_ON 0x01
+
+/* tsl2772 status reg masks */
+#define TSL2772_STA_ADC_VALID 0x01
+#define TSL2772_STA_PRX_VALID 0x02
+#define TSL2772_STA_ADC_PRX_VALID (TSL2772_STA_ADC_VALID | \
+ TSL2772_STA_PRX_VALID)
+#define TSL2772_STA_ALS_INTR 0x10
+#define TSL2772_STA_PRX_INTR 0x20
+
+/* tsl2772 cntrl reg masks */
+#define TSL2772_CNTL_REG_CLEAR 0x00
+#define TSL2772_CNTL_PROX_INT_ENBL 0X20
+#define TSL2772_CNTL_ALS_INT_ENBL 0X10
+#define TSL2772_CNTL_WAIT_TMR_ENBL 0X08
+#define TSL2772_CNTL_PROX_DET_ENBL 0X04
+#define TSL2772_CNTL_PWRON 0x01
+#define TSL2772_CNTL_ALSPON_ENBL 0x03
+#define TSL2772_CNTL_INTALSPON_ENBL 0x13
+#define TSL2772_CNTL_PROXPON_ENBL 0x0F
+#define TSL2772_CNTL_INTPROXPON_ENBL 0x2F
+
+#define TSL2772_ALS_GAIN_TRIM_MIN 250
+#define TSL2772_ALS_GAIN_TRIM_MAX 4000
+
+/* Device family members */
enum {
tsl2571,
tsl2671,
};
enum {
- TSL2X7X_CHIP_UNKNOWN = 0,
- TSL2X7X_CHIP_WORKING = 1,
- TSL2X7X_CHIP_SUSPENDED = 2
+ TSL2772_CHIP_UNKNOWN = 0,
+ TSL2772_CHIP_WORKING = 1,
+ TSL2772_CHIP_SUSPENDED = 2
};
/* Per-device data */
-struct tsl2x7x_als_info {
+struct tsl2772_als_info {
u16 als_ch0;
u16 als_ch1;
u16 lux;
};
-struct tsl2x7x_chip_info {
+struct tsl2772_chip_info {
int chan_table_elements;
struct iio_chan_spec channel_with_events[4];
struct iio_chan_spec channel_without_events[4];
const struct iio_info *info;
};
-struct tsl2X7X_chip {
+struct tsl2772_chip {
kernel_ulong_t id;
struct mutex prox_mutex;
struct mutex als_mutex;
struct i2c_client *client;
u16 prox_data;
- struct tsl2x7x_als_info als_cur_info;
- struct tsl2x7x_settings settings;
- struct tsl2X7X_platform_data *pdata;
+ struct tsl2772_als_info als_cur_info;
+ struct tsl2772_settings settings;
+ struct tsl2772_platform_data *pdata;
int als_gain_time_scale;
int als_saturation;
- int tsl2x7x_chip_status;
- u8 tsl2x7x_config[TSL2X7X_MAX_CONFIG_REG];
- const struct tsl2x7x_chip_info *chip_info;
+ int tsl2772_chip_status;
+ u8 tsl2772_config[TSL2772_MAX_CONFIG_REG];
+ const struct tsl2772_chip_info *chip_info;
const struct iio_info *info;
s64 event_timestamp;
/*
* updates via sysfs.
* Sized to 9 = max 8 segments + 1 termination segment
*/
- struct tsl2x7x_lux tsl2x7x_device_lux[TSL2X7X_MAX_LUX_TABLE_SIZE];
+ struct tsl2772_lux tsl2772_device_lux[TSL2772_MAX_LUX_TABLE_SIZE];
};
/*
* The two rows in each table correspond to the Lux1 and Lux2 equations from
* the datasheets.
*/
-static const struct tsl2x7x_lux tsl2x71_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = {
+static const struct tsl2772_lux tsl2x71_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {
{ 53000, 106000 },
{ 31800, 53000 },
{ 0, 0 },
};
-static const struct tsl2x7x_lux tmd2x71_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = {
+static const struct tsl2772_lux tmd2x71_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {
{ 24000, 48000 },
{ 14400, 24000 },
{ 0, 0 },
};
-static const struct tsl2x7x_lux tsl2x72_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = {
+static const struct tsl2772_lux tsl2x72_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {
{ 60000, 112200 },
{ 37800, 60000 },
{ 0, 0 },
};
-static const struct tsl2x7x_lux tmd2x72_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = {
+static const struct tsl2772_lux tmd2x72_lux_table[TSL2772_DEF_LUX_TABLE_SZ] = {
{ 20000, 35000 },
{ 12600, 20000 },
{ 0, 0 },
};
-static const struct tsl2x7x_lux *tsl2x7x_default_lux_table_group[] = {
+static const struct tsl2772_lux *tsl2772_default_lux_table_group[] = {
[tsl2571] = tsl2x71_lux_table,
[tsl2671] = tsl2x71_lux_table,
[tmd2671] = tmd2x71_lux_table,
[tmd2772] = tmd2x72_lux_table,
};
-static const struct tsl2x7x_settings tsl2x7x_default_settings = {
+static const struct tsl2772_settings tsl2772_default_settings = {
.als_time = 255, /* 2.72 / 2.73 ms */
.als_gain = 0,
.prox_time = 255, /* 2.72 / 2.73 ms */
.prox_thres_high = 512,
.prox_max_samples_cal = 30,
.prox_pulse_count = 8,
- .prox_diode = TSL2X7X_DIODE1,
- .prox_power = TSL2X7X_100_mA
+ .prox_diode = TSL2772_DIODE1,
+ .prox_power = TSL2772_100_mA
};
-static const s16 tsl2x7x_als_gain[] = {
+static const s16 tsl2772_als_gain[] = {
1,
8,
16,
120
};
-static const s16 tsl2x7x_prox_gain[] = {
+static const s16 tsl2772_prox_gain[] = {
1,
2,
4,
8
};
-static const int tsl2x7x_int_time_avail[][6] = {
+static const int tsl2772_int_time_avail[][6] = {
[tsl2571] = { 0, 2720, 0, 2720, 0, 696000 },
[tsl2671] = { 0, 2720, 0, 2720, 0, 696000 },
[tmd2671] = { 0, 2720, 0, 2720, 0, 696000 },
[tmd2772] = { 0, 2730, 0, 2730, 0, 699000 },
};
-static int tsl2x7x_int_calibscale_avail[] = { 1, 8, 16, 120 };
+static int tsl2772_int_calibscale_avail[] = { 1, 8, 16, 120 };
-static int tsl2x7x_prox_calibscale_avail[] = { 1, 2, 4, 8 };
+static int tsl2772_prox_calibscale_avail[] = { 1, 2, 4, 8 };
/* Channel variations */
enum {
[tmd2772] = ALSPRX2
};
-static int tsl2x7x_read_status(struct tsl2X7X_chip *chip)
+static int tsl2772_read_status(struct tsl2772_chip *chip)
{
int ret;
ret = i2c_smbus_read_byte_data(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_STATUS);
+ TSL2772_CMD_REG | TSL2772_STATUS);
if (ret < 0)
dev_err(&chip->client->dev,
"%s: failed to read STATUS register: %d\n", __func__,
return ret;
}
-static int tsl2x7x_write_control_reg(struct tsl2X7X_chip *chip, u8 data)
+static int tsl2772_write_control_reg(struct tsl2772_chip *chip, u8 data)
{
int ret;
ret = i2c_smbus_write_byte_data(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CNTRL, data);
+ TSL2772_CMD_REG | TSL2772_CNTRL, data);
if (ret < 0) {
dev_err(&chip->client->dev,
"%s: failed to write to control register %x: %d\n",
return ret;
}
-static int tsl2x7x_read_autoinc_regs(struct tsl2X7X_chip *chip, int lower_reg,
+static int tsl2772_read_autoinc_regs(struct tsl2772_chip *chip, int lower_reg,
int upper_reg)
{
u8 buf[2];
int ret;
ret = i2c_smbus_write_byte(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CMD_AUTOINC_PROTO |
+ TSL2772_CMD_REG | TSL2772_CMD_AUTOINC_PROTO |
lower_reg);
if (ret < 0) {
dev_err(&chip->client->dev,
}
ret = i2c_smbus_read_byte_data(chip->client,
- TSL2X7X_CMD_REG | lower_reg);
+ TSL2772_CMD_REG | lower_reg);
if (ret < 0) {
dev_err(&chip->client->dev,
"%s: failed to read from register %x: %d\n", __func__,
buf[0] = ret;
ret = i2c_smbus_read_byte_data(chip->client,
- TSL2X7X_CMD_REG | upper_reg);
+ TSL2772_CMD_REG | upper_reg);
if (ret < 0) {
dev_err(&chip->client->dev,
"%s: failed to read from register %x: %d\n", __func__,
buf[1] = ret;
ret = i2c_smbus_write_byte(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CMD_REPEAT_PROTO |
+ TSL2772_CMD_REG | TSL2772_CMD_REPEAT_PROTO |
lower_reg);
if (ret < 0) {
dev_err(&chip->client->dev,
}
/**
- * tsl2x7x_get_lux() - Reads and calculates current lux value.
+ * tsl2772_get_lux() - Reads and calculates current lux value.
* @indio_dev: pointer to IIO device
*
* The raw ch0 and ch1 values of the ambient light sensed in the last
* coefficients. A lux gain trim is applied to each lux equation, and then the
* maximum lux within the interval 0..65535 is selected.
*/
-static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
+static int tsl2772_get_lux(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
- struct tsl2x7x_lux *p;
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_lux *p;
int max_lux, ret;
bool overflow;
mutex_lock(&chip->als_mutex);
- if (chip->tsl2x7x_chip_status != TSL2X7X_CHIP_WORKING) {
+ if (chip->tsl2772_chip_status != TSL2772_CHIP_WORKING) {
dev_err(&chip->client->dev, "%s: device is not enabled\n",
__func__);
ret = -EBUSY;
goto out_unlock;
}
- ret = tsl2x7x_read_status(chip);
+ ret = tsl2772_read_status(chip);
if (ret < 0)
goto out_unlock;
- if (!(ret & TSL2X7X_STA_ADC_VALID)) {
+ if (!(ret & TSL2772_STA_ADC_VALID)) {
dev_err(&chip->client->dev,
"%s: data not valid yet\n", __func__);
ret = chip->als_cur_info.lux; /* return LAST VALUE */
goto out_unlock;
}
- ret = tsl2x7x_read_autoinc_regs(chip, TSL2X7X_ALS_CHAN0LO,
- TSL2X7X_ALS_CHAN0HI);
+ ret = tsl2772_read_autoinc_regs(chip, TSL2772_ALS_CHAN0LO,
+ TSL2772_ALS_CHAN0HI);
if (ret < 0)
goto out_unlock;
chip->als_cur_info.als_ch0 = ret;
- ret = tsl2x7x_read_autoinc_regs(chip, TSL2X7X_ALS_CHAN1LO,
- TSL2X7X_ALS_CHAN1HI);
+ ret = tsl2772_read_autoinc_regs(chip, TSL2772_ALS_CHAN1LO,
+ TSL2772_ALS_CHAN1HI);
if (ret < 0)
goto out_unlock;
chip->als_cur_info.als_ch1 = ret;
if (chip->als_cur_info.als_ch0 >= chip->als_saturation) {
- max_lux = TSL2X7X_LUX_CALC_OVER_FLOW;
+ max_lux = TSL2772_LUX_CALC_OVER_FLOW;
goto update_struct_with_max_lux;
}
max_lux = 0;
overflow = false;
- for (p = (struct tsl2x7x_lux *)chip->tsl2x7x_device_lux; p->ch0 != 0;
+ for (p = (struct tsl2772_lux *)chip->tsl2772_device_lux; p->ch0 != 0;
p++) {
int lux;
*/
lux = (lux * chip->settings.als_gain_trim) / 1000;
- if (lux > TSL2X7X_LUX_CALC_OVER_FLOW) {
+ if (lux > TSL2772_LUX_CALC_OVER_FLOW) {
overflow = true;
continue;
}
}
if (overflow && max_lux == 0)
- max_lux = TSL2X7X_LUX_CALC_OVER_FLOW;
+ max_lux = TSL2772_LUX_CALC_OVER_FLOW;
update_struct_with_max_lux:
chip->als_cur_info.lux = max_lux;
}
/**
- * tsl2x7x_get_prox() - Reads proximity data registers and updates
+ * tsl2772_get_prox() - Reads proximity data registers and updates
* chip->prox_data.
*
* @indio_dev: pointer to IIO device
*/
-static int tsl2x7x_get_prox(struct iio_dev *indio_dev)
+static int tsl2772_get_prox(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int ret;
mutex_lock(&chip->prox_mutex);
- ret = tsl2x7x_read_status(chip);
+ ret = tsl2772_read_status(chip);
if (ret < 0)
goto prox_poll_err;
case tmd2671:
case tsl2771:
case tmd2771:
- if (!(ret & TSL2X7X_STA_ADC_VALID)) {
+ if (!(ret & TSL2772_STA_ADC_VALID)) {
ret = -EINVAL;
goto prox_poll_err;
}
case tmd2672:
case tsl2772:
case tmd2772:
- if (!(ret & TSL2X7X_STA_PRX_VALID)) {
+ if (!(ret & TSL2772_STA_PRX_VALID)) {
ret = -EINVAL;
goto prox_poll_err;
}
break;
}
- ret = tsl2x7x_read_autoinc_regs(chip, TSL2X7X_PRX_LO, TSL2X7X_PRX_HI);
+ ret = tsl2772_read_autoinc_regs(chip, TSL2772_PRX_LO, TSL2772_PRX_HI);
if (ret < 0)
goto prox_poll_err;
chip->prox_data = ret;
}
/**
- * tsl2x7x_defaults() - Populates the device nominal operating parameters
+ * tsl2772_defaults() - Populates the device nominal operating parameters
* with those provided by a 'platform' data struct or
* with prefined defaults.
*
* @chip: pointer to device structure.
*/
-static void tsl2x7x_defaults(struct tsl2X7X_chip *chip)
+static void tsl2772_defaults(struct tsl2772_chip *chip)
{
/* If Operational settings defined elsewhere.. */
if (chip->pdata && chip->pdata->platform_default_settings)
memcpy(&chip->settings, chip->pdata->platform_default_settings,
- sizeof(tsl2x7x_default_settings));
+ sizeof(tsl2772_default_settings));
else
- memcpy(&chip->settings, &tsl2x7x_default_settings,
- sizeof(tsl2x7x_default_settings));
+ memcpy(&chip->settings, &tsl2772_default_settings,
+ sizeof(tsl2772_default_settings));
/* Load up the proper lux table. */
if (chip->pdata && chip->pdata->platform_lux_table[0].ch0 != 0)
- memcpy(chip->tsl2x7x_device_lux,
+ memcpy(chip->tsl2772_device_lux,
chip->pdata->platform_lux_table,
sizeof(chip->pdata->platform_lux_table));
else
- memcpy(chip->tsl2x7x_device_lux,
- tsl2x7x_default_lux_table_group[chip->id],
- TSL2X7X_DEFAULT_TABLE_BYTES);
+ memcpy(chip->tsl2772_device_lux,
+ tsl2772_default_lux_table_group[chip->id],
+ TSL2772_DEFAULT_TABLE_BYTES);
}
/**
- * tsl2x7x_als_calibrate() - Obtain single reading and calculate
+ * tsl2772_als_calibrate() - Obtain single reading and calculate
* the als_gain_trim.
*
* @indio_dev: pointer to IIO device
*/
-static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
+static int tsl2772_als_calibrate(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int ret, lux_val;
ret = i2c_smbus_read_byte_data(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CNTRL);
+ TSL2772_CMD_REG | TSL2772_CNTRL);
if (ret < 0) {
dev_err(&chip->client->dev,
"%s: failed to read from the CNTRL register\n",
return ret;
}
- if ((ret & (TSL2X7X_CNTL_ADC_ENBL | TSL2X7X_CNTL_PWR_ON))
- != (TSL2X7X_CNTL_ADC_ENBL | TSL2X7X_CNTL_PWR_ON)) {
+ if ((ret & (TSL2772_CNTL_ADC_ENBL | TSL2772_CNTL_PWR_ON))
+ != (TSL2772_CNTL_ADC_ENBL | TSL2772_CNTL_PWR_ON)) {
dev_err(&chip->client->dev,
"%s: Device is not powered on and/or ADC is not enabled\n",
__func__);
return -EINVAL;
- } else if ((ret & TSL2X7X_STA_ADC_VALID) != TSL2X7X_STA_ADC_VALID) {
+ } else if ((ret & TSL2772_STA_ADC_VALID) != TSL2772_STA_ADC_VALID) {
dev_err(&chip->client->dev,
"%s: The two ADC channels have not completed an integration cycle\n",
__func__);
return -ENODATA;
}
- lux_val = tsl2x7x_get_lux(indio_dev);
+ lux_val = tsl2772_get_lux(indio_dev);
if (lux_val < 0) {
dev_err(&chip->client->dev,
"%s: failed to get lux\n", __func__);
ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) /
lux_val;
- if (ret < TSL2X7X_ALS_GAIN_TRIM_MIN || ret > TSL2X7X_ALS_GAIN_TRIM_MAX)
+ if (ret < TSL2772_ALS_GAIN_TRIM_MIN || ret > TSL2772_ALS_GAIN_TRIM_MAX)
return -ERANGE;
chip->settings.als_gain_trim = ret;
return ret;
}
-static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
+static int tsl2772_chip_on(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int ret, i, als_count, als_time_us;
u8 *dev_reg, reg_val;
/* Non calculated parameters */
- chip->tsl2x7x_config[TSL2X7X_ALS_TIME] = chip->settings.als_time;
- chip->tsl2x7x_config[TSL2X7X_PRX_TIME] = chip->settings.prox_time;
- chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] = chip->settings.wait_time;
- chip->tsl2x7x_config[TSL2X7X_ALS_PRX_CONFIG] =
+ chip->tsl2772_config[TSL2772_ALS_TIME] = chip->settings.als_time;
+ chip->tsl2772_config[TSL2772_PRX_TIME] = chip->settings.prox_time;
+ chip->tsl2772_config[TSL2772_WAIT_TIME] = chip->settings.wait_time;
+ chip->tsl2772_config[TSL2772_ALS_PRX_CONFIG] =
chip->settings.als_prox_config;
- chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHLO] =
+ chip->tsl2772_config[TSL2772_ALS_MINTHRESHLO] =
(chip->settings.als_thresh_low) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHHI] =
+ chip->tsl2772_config[TSL2772_ALS_MINTHRESHHI] =
(chip->settings.als_thresh_low >> 8) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHLO] =
+ chip->tsl2772_config[TSL2772_ALS_MAXTHRESHLO] =
(chip->settings.als_thresh_high) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHHI] =
+ chip->tsl2772_config[TSL2772_ALS_MAXTHRESHHI] =
(chip->settings.als_thresh_high >> 8) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] =
+ chip->tsl2772_config[TSL2772_PERSISTENCE] =
(chip->settings.prox_persistence & 0xFF) << 4 |
(chip->settings.als_persistence & 0xFF);
- chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
+ chip->tsl2772_config[TSL2772_PRX_COUNT] =
chip->settings.prox_pulse_count;
- chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
+ chip->tsl2772_config[TSL2772_PRX_MINTHRESHLO] =
(chip->settings.prox_thres_low) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
+ chip->tsl2772_config[TSL2772_PRX_MINTHRESHHI] =
(chip->settings.prox_thres_low >> 8) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
+ chip->tsl2772_config[TSL2772_PRX_MAXTHRESHLO] =
(chip->settings.prox_thres_high) & 0xFF;
- chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
+ chip->tsl2772_config[TSL2772_PRX_MAXTHRESHHI] =
(chip->settings.prox_thres_high >> 8) & 0xFF;
/* and make sure we're not already on */
- if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {
+ if (chip->tsl2772_chip_status == TSL2772_CHIP_WORKING) {
/* if forcing a register update - turn off, then on */
dev_info(&chip->client->dev, "device is already enabled\n");
return -EINVAL;
}
- /* Set the gain based on tsl2x7x_settings struct */
- chip->tsl2x7x_config[TSL2X7X_GAIN] =
+ /* Set the gain based on tsl2772_settings struct */
+ chip->tsl2772_config[TSL2772_GAIN] =
(chip->settings.als_gain & 0xFF) |
((chip->settings.prox_gain & 0xFF) << 2) |
(chip->settings.prox_diode << 4) |
/* set chip time scaling and saturation */
als_count = 256 - chip->settings.als_time;
- als_time_us = als_count * tsl2x7x_int_time_avail[chip->id][3];
+ als_time_us = als_count * tsl2772_int_time_avail[chip->id][3];
chip->als_saturation = als_count * 768; /* 75% of full scale */
chip->als_gain_time_scale = als_time_us *
- tsl2x7x_als_gain[chip->settings.als_gain];
+ tsl2772_als_gain[chip->settings.als_gain];
/*
- * TSL2X7X Specific power-on / adc enable sequence
+ * TSL2772 Specific power-on / adc enable sequence
* Power on the device 1st.
*/
- ret = tsl2x7x_write_control_reg(chip, TSL2X7X_CNTL_PWR_ON);
+ ret = tsl2772_write_control_reg(chip, TSL2772_CNTL_PWR_ON);
if (ret < 0)
return ret;
* Use the following shadow copy for our delay before enabling ADC.
* Write all the registers.
*/
- for (i = 0, dev_reg = chip->tsl2x7x_config;
- i < TSL2X7X_MAX_CONFIG_REG; i++) {
- int reg = TSL2X7X_CMD_REG + i;
+ for (i = 0, dev_reg = chip->tsl2772_config;
+ i < TSL2772_MAX_CONFIG_REG; i++) {
+ int reg = TSL2772_CMD_REG + i;
ret = i2c_smbus_write_byte_data(chip->client, reg,
*dev_reg++);
/* Power-on settling time */
usleep_range(3000, 3500);
- reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL |
- TSL2X7X_CNTL_PROX_DET_ENBL;
+ reg_val = TSL2772_CNTL_PWR_ON | TSL2772_CNTL_ADC_ENBL |
+ TSL2772_CNTL_PROX_DET_ENBL;
if (chip->settings.als_interrupt_en)
- reg_val |= TSL2X7X_CNTL_ALS_INT_ENBL;
+ reg_val |= TSL2772_CNTL_ALS_INT_ENBL;
if (chip->settings.prox_interrupt_en)
- reg_val |= TSL2X7X_CNTL_PROX_INT_ENBL;
+ reg_val |= TSL2772_CNTL_PROX_INT_ENBL;
- ret = tsl2x7x_write_control_reg(chip, reg_val);
+ ret = tsl2772_write_control_reg(chip, reg_val);
if (ret < 0)
return ret;
ret = i2c_smbus_write_byte(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN |
- TSL2X7X_CMD_PROXALS_INT_CLR);
+ TSL2772_CMD_REG | TSL2772_CMD_SPL_FN |
+ TSL2772_CMD_PROXALS_INT_CLR);
if (ret < 0) {
dev_err(&chip->client->dev,
"%s: failed to clear interrupt status: %d\n",
return ret;
}
- chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING;
+ chip->tsl2772_chip_status = TSL2772_CHIP_WORKING;
return ret;
}
-static int tsl2x7x_chip_off(struct iio_dev *indio_dev)
+static int tsl2772_chip_off(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
/* turn device off */
- chip->tsl2x7x_chip_status = TSL2X7X_CHIP_SUSPENDED;
- return tsl2x7x_write_control_reg(chip, 0x00);
+ chip->tsl2772_chip_status = TSL2772_CHIP_SUSPENDED;
+ return tsl2772_write_control_reg(chip, 0x00);
}
/**
- * tsl2x7x_invoke_change - power cycle the device to implement the user
+ * tsl2772_invoke_change - power cycle the device to implement the user
* parameters
* @indio_dev: pointer to IIO device
*
* (On/Off), cycle device to implement updated parameter, put device back into
* proper state, and unlock resource.
*/
-static int tsl2x7x_invoke_change(struct iio_dev *indio_dev)
+static int tsl2772_invoke_change(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
- int device_status = chip->tsl2x7x_chip_status;
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
+ int device_status = chip->tsl2772_chip_status;
int ret;
mutex_lock(&chip->als_mutex);
mutex_lock(&chip->prox_mutex);
- if (device_status == TSL2X7X_CHIP_WORKING) {
- ret = tsl2x7x_chip_off(indio_dev);
+ if (device_status == TSL2772_CHIP_WORKING) {
+ ret = tsl2772_chip_off(indio_dev);
if (ret < 0)
goto unlock;
}
- ret = tsl2x7x_chip_on(indio_dev);
+ ret = tsl2772_chip_on(indio_dev);
unlock:
mutex_unlock(&chip->prox_mutex);
return ret;
}
-static int tsl2x7x_prox_cal(struct iio_dev *indio_dev)
+static int tsl2772_prox_cal(struct iio_dev *indio_dev)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int prox_history[MAX_SAMPLES_CAL + 1];
int i, ret, mean, max, sample_sum;
for (i = 0; i < chip->settings.prox_max_samples_cal; i++) {
usleep_range(15000, 17500);
- ret = tsl2x7x_get_prox(indio_dev);
+ ret = tsl2772_get_prox(indio_dev);
if (ret < 0)
return ret;
chip->settings.prox_thres_high = (max << 1) - mean;
- return tsl2x7x_invoke_change(indio_dev);
+ return tsl2772_invoke_change(indio_dev);
}
-static int tsl2x7x_read_avail(struct iio_dev *indio_dev,
+static int tsl2772_read_avail(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
const int **vals, int *type, int *length,
long mask)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
switch (mask) {
case IIO_CHAN_INFO_CALIBSCALE:
if (chan->type == IIO_INTENSITY) {
- *length = ARRAY_SIZE(tsl2x7x_int_calibscale_avail);
- *vals = tsl2x7x_int_calibscale_avail;
+ *length = ARRAY_SIZE(tsl2772_int_calibscale_avail);
+ *vals = tsl2772_int_calibscale_avail;
} else {
- *length = ARRAY_SIZE(tsl2x7x_prox_calibscale_avail);
- *vals = tsl2x7x_prox_calibscale_avail;
+ *length = ARRAY_SIZE(tsl2772_prox_calibscale_avail);
+ *vals = tsl2772_prox_calibscale_avail;
}
*type = IIO_VAL_INT;
return IIO_AVAIL_LIST;
case IIO_CHAN_INFO_INT_TIME:
- *length = ARRAY_SIZE(tsl2x7x_int_time_avail[chip->id]);
- *vals = tsl2x7x_int_time_avail[chip->id];
+ *length = ARRAY_SIZE(tsl2772_int_time_avail[chip->id]);
+ *vals = tsl2772_int_time_avail[chip->id];
*type = IIO_VAL_INT_PLUS_MICRO;
return IIO_AVAIL_RANGE;
}
struct device_attribute *attr,
char *buf)
{
- struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev));
+ struct tsl2772_chip *chip = iio_priv(dev_to_iio_dev(dev));
return snprintf(buf, PAGE_SIZE, "%d\n", chip->settings.als_cal_target);
}
const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
u16 value;
int ret;
return -EINVAL;
chip->settings.als_cal_target = value;
- ret = tsl2x7x_invoke_change(indio_dev);
+ ret = tsl2772_invoke_change(indio_dev);
if (ret < 0)
return ret;
if (kstrtobool(buf, &value) || !value)
return -EINVAL;
- ret = tsl2x7x_als_calibrate(indio_dev);
+ ret = tsl2772_als_calibrate(indio_dev);
if (ret < 0)
return ret;
- ret = tsl2x7x_invoke_change(indio_dev);
+ ret = tsl2772_invoke_change(indio_dev);
if (ret < 0)
return ret;
struct device_attribute *attr,
char *buf)
{
- struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev));
+ struct tsl2772_chip *chip = iio_priv(dev_to_iio_dev(dev));
int i = 0;
int offset = 0;
- while (i < TSL2X7X_MAX_LUX_TABLE_SIZE) {
+ while (i < TSL2772_MAX_LUX_TABLE_SIZE) {
offset += snprintf(buf + offset, PAGE_SIZE, "%u,%u,",
- chip->tsl2x7x_device_lux[i].ch0,
- chip->tsl2x7x_device_lux[i].ch1);
- if (chip->tsl2x7x_device_lux[i].ch0 == 0) {
+ chip->tsl2772_device_lux[i].ch0,
+ chip->tsl2772_device_lux[i].ch1);
+ if (chip->tsl2772_device_lux[i].ch0 == 0) {
/*
* We just printed the first "0" entry.
* Now get rid of the extra "," and break.
const char *buf, size_t len)
{
struct iio_dev *indio_dev = dev_to_iio_dev(dev);
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
- int value[ARRAY_SIZE(chip->tsl2x7x_device_lux) * 2 + 1];
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
+ int value[ARRAY_SIZE(chip->tsl2772_device_lux) * 2 + 1];
int n, ret;
get_options(buf, ARRAY_SIZE(value), value);
*/
n = value[0];
if ((n % 2) || n < 4 ||
- n > ((ARRAY_SIZE(chip->tsl2x7x_device_lux) - 1) * 2))
+ n > ((ARRAY_SIZE(chip->tsl2772_device_lux) - 1) * 2))
return -EINVAL;
if ((value[(n - 1)] | value[n]) != 0)
return -EINVAL;
- if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {
- ret = tsl2x7x_chip_off(indio_dev);
+ if (chip->tsl2772_chip_status == TSL2772_CHIP_WORKING) {
+ ret = tsl2772_chip_off(indio_dev);
if (ret < 0)
return ret;
}
/* Zero out the table */
- memset(chip->tsl2x7x_device_lux, 0, sizeof(chip->tsl2x7x_device_lux));
- memcpy(chip->tsl2x7x_device_lux, &value[1], (value[0] * 4));
+ memset(chip->tsl2772_device_lux, 0, sizeof(chip->tsl2772_device_lux));
+ memcpy(chip->tsl2772_device_lux, &value[1], (value[0] * 4));
- ret = tsl2x7x_invoke_change(indio_dev);
+ ret = tsl2772_invoke_change(indio_dev);
if (ret < 0)
return ret;
if (kstrtobool(buf, &value) || !value)
return -EINVAL;
- ret = tsl2x7x_prox_cal(indio_dev);
+ ret = tsl2772_prox_cal(indio_dev);
if (ret < 0)
return ret;
- ret = tsl2x7x_invoke_change(indio_dev);
+ ret = tsl2772_invoke_change(indio_dev);
if (ret < 0)
return ret;
return len;
}
-static int tsl2x7x_read_interrupt_config(struct iio_dev *indio_dev,
+static int tsl2772_read_interrupt_config(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan,
enum iio_event_type type,
enum iio_event_direction dir)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
if (chan->type == IIO_INTENSITY)
return chip->settings.als_interrupt_en;
return chip->settings.prox_interrupt_en;
}
-static int tsl2x7x_write_interrupt_config(struct iio_dev *indio_dev,
+static int tsl2772_write_interrupt_config(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan,
enum iio_event_type type,
enum iio_event_direction dir,
int val)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
if (chan->type == IIO_INTENSITY)
chip->settings.als_interrupt_en = val ? true : false;
else
chip->settings.prox_interrupt_en = val ? true : false;
- return tsl2x7x_invoke_change(indio_dev);
+ return tsl2772_invoke_change(indio_dev);
}
-static int tsl2x7x_write_event_value(struct iio_dev *indio_dev,
+static int tsl2772_write_event_value(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan,
enum iio_event_type type,
enum iio_event_direction dir,
enum iio_event_info info,
int val, int val2)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int ret = -EINVAL, count, persistence;
u8 time;
count = 256 - time;
persistence = ((val * 1000000) + val2) /
- (count * tsl2x7x_int_time_avail[chip->id][3]);
+ (count * tsl2772_int_time_avail[chip->id][3]);
if (chan->type == IIO_INTENSITY) {
/* ALS filter values are 1, 2, 3, 5, 10, 15, ..., 60 */
if (ret < 0)
return ret;
- return tsl2x7x_invoke_change(indio_dev);
+ return tsl2772_invoke_change(indio_dev);
}
-static int tsl2x7x_read_event_value(struct iio_dev *indio_dev,
+static int tsl2772_read_event_value(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan,
enum iio_event_type type,
enum iio_event_direction dir,
enum iio_event_info info,
int *val, int *val2)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
int filter_delay, persistence;
u8 time;
}
filter_delay = persistence * (256 - time) *
- tsl2x7x_int_time_avail[chip->id][3];
+ tsl2772_int_time_avail[chip->id][3];
*val = filter_delay / 1000000;
*val2 = filter_delay % 1000000;
}
}
-static int tsl2x7x_read_raw(struct iio_dev *indio_dev,
+static int tsl2772_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val,
int *val2,
long mask)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
switch (mask) {
case IIO_CHAN_INFO_PROCESSED:
switch (chan->type) {
case IIO_LIGHT:
- tsl2x7x_get_lux(indio_dev);
+ tsl2772_get_lux(indio_dev);
*val = chip->als_cur_info.lux;
return IIO_VAL_INT;
default:
case IIO_CHAN_INFO_RAW:
switch (chan->type) {
case IIO_INTENSITY:
- tsl2x7x_get_lux(indio_dev);
+ tsl2772_get_lux(indio_dev);
if (chan->channel == 0)
*val = chip->als_cur_info.als_ch0;
else
*val = chip->als_cur_info.als_ch1;
return IIO_VAL_INT;
case IIO_PROXIMITY:
- tsl2x7x_get_prox(indio_dev);
+ tsl2772_get_prox(indio_dev);
*val = chip->prox_data;
return IIO_VAL_INT;
default:
break;
case IIO_CHAN_INFO_CALIBSCALE:
if (chan->type == IIO_LIGHT)
- *val = tsl2x7x_als_gain[chip->settings.als_gain];
+ *val = tsl2772_als_gain[chip->settings.als_gain];
else
- *val = tsl2x7x_prox_gain[chip->settings.prox_gain];
+ *val = tsl2772_prox_gain[chip->settings.prox_gain];
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
*val = chip->settings.als_gain_trim;
case IIO_CHAN_INFO_INT_TIME:
*val = 0;
*val2 = (256 - chip->settings.als_time) *
- tsl2x7x_int_time_avail[chip->id][3];
+ tsl2772_int_time_avail[chip->id][3];
return IIO_VAL_INT_PLUS_MICRO;
default:
return -EINVAL;
}
}
-static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
+static int tsl2772_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val,
int val2,
long mask)
{
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
switch (mask) {
case IIO_CHAN_INFO_CALIBSCALE:
}
break;
case IIO_CHAN_INFO_CALIBBIAS:
- if (val < TSL2X7X_ALS_GAIN_TRIM_MIN ||
- val > TSL2X7X_ALS_GAIN_TRIM_MAX)
+ if (val < TSL2772_ALS_GAIN_TRIM_MIN ||
+ val > TSL2772_ALS_GAIN_TRIM_MAX)
return -EINVAL;
chip->settings.als_gain_trim = val;
break;
case IIO_CHAN_INFO_INT_TIME:
- if (val != 0 || val2 < tsl2x7x_int_time_avail[chip->id][1] ||
- val2 > tsl2x7x_int_time_avail[chip->id][5])
+ if (val != 0 || val2 < tsl2772_int_time_avail[chip->id][1] ||
+ val2 > tsl2772_int_time_avail[chip->id][5])
return -EINVAL;
chip->settings.als_time = 256 -
- (val2 / tsl2x7x_int_time_avail[chip->id][3]);
+ (val2 / tsl2772_int_time_avail[chip->id][3]);
break;
default:
return -EINVAL;
}
- return tsl2x7x_invoke_change(indio_dev);
+ return tsl2772_invoke_change(indio_dev);
}
static DEVICE_ATTR_RW(in_illuminance0_target_input);
static DEVICE_ATTR_RW(in_illuminance0_lux_table);
/* Use the default register values to identify the Taos device */
-static int tsl2x7x_device_id_verif(int id, int target)
+static int tsl2772_device_id_verif(int id, int target)
{
switch (target) {
case tsl2571:
return -EINVAL;
}
-static irqreturn_t tsl2x7x_event_handler(int irq, void *private)
+static irqreturn_t tsl2772_event_handler(int irq, void *private)
{
struct iio_dev *indio_dev = private;
- struct tsl2X7X_chip *chip = iio_priv(indio_dev);
+ struct tsl2772_chip *chip = iio_priv(indio_dev);
s64 timestamp = iio_get_time_ns(indio_dev);
int ret;
- ret = tsl2x7x_read_status(chip);
+ ret = tsl2772_read_status(chip);
if (ret < 0)
return IRQ_HANDLED;
/* What type of interrupt do we need to process */
- if (ret & TSL2X7X_STA_PRX_INTR) {
+ if (ret & TSL2772_STA_PRX_INTR) {
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY,
0,
timestamp);
}
- if (ret & TSL2X7X_STA_ALS_INTR) {
+ if (ret & TSL2772_STA_ALS_INTR) {
iio_push_event(indio_dev,
IIO_UNMOD_EVENT_CODE(IIO_LIGHT,
0,
}
ret = i2c_smbus_write_byte(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN |
- TSL2X7X_CMD_PROXALS_INT_CLR);
+ TSL2772_CMD_REG | TSL2772_CMD_SPL_FN |
+ TSL2772_CMD_PROXALS_INT_CLR);
if (ret < 0)
dev_err(&chip->client->dev,
"%s: failed to clear interrupt status: %d\n",
return IRQ_HANDLED;
}
-static struct attribute *tsl2x7x_ALS_device_attrs[] = {
+static struct attribute *tsl2772_ALS_device_attrs[] = {
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
&dev_attr_in_illuminance0_lux_table.attr,
NULL
};
-static struct attribute *tsl2x7x_PRX_device_attrs[] = {
+static struct attribute *tsl2772_PRX_device_attrs[] = {
&dev_attr_in_proximity0_calibrate.attr,
NULL
};
-static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = {
+static struct attribute *tsl2772_ALSPRX_device_attrs[] = {
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
&dev_attr_in_illuminance0_lux_table.attr,
NULL
};
-static struct attribute *tsl2x7x_PRX2_device_attrs[] = {
+static struct attribute *tsl2772_PRX2_device_attrs[] = {
&dev_attr_in_proximity0_calibrate.attr,
NULL
};
-static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = {
+static struct attribute *tsl2772_ALSPRX2_device_attrs[] = {
&dev_attr_in_illuminance0_target_input.attr,
&dev_attr_in_illuminance0_calibrate.attr,
&dev_attr_in_illuminance0_lux_table.attr,
NULL
};
-static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = {
+static const struct attribute_group tsl2772_device_attr_group_tbl[] = {
[ALS] = {
- .attrs = tsl2x7x_ALS_device_attrs,
+ .attrs = tsl2772_ALS_device_attrs,
},
[PRX] = {
- .attrs = tsl2x7x_PRX_device_attrs,
+ .attrs = tsl2772_PRX_device_attrs,
},
[ALSPRX] = {
- .attrs = tsl2x7x_ALSPRX_device_attrs,
+ .attrs = tsl2772_ALSPRX_device_attrs,
},
[PRX2] = {
- .attrs = tsl2x7x_PRX2_device_attrs,
+ .attrs = tsl2772_PRX2_device_attrs,
},
[ALSPRX2] = {
- .attrs = tsl2x7x_ALSPRX2_device_attrs,
+ .attrs = tsl2772_ALSPRX2_device_attrs,
},
};
-#define TSL2X7X_DEVICE_INFO(type)[type] = \
+#define TSL2772_DEVICE_INFO(type)[type] = \
{ \
- .attrs = &tsl2X7X_device_attr_group_tbl[type], \
- .read_raw = &tsl2x7x_read_raw, \
- .read_avail = &tsl2x7x_read_avail, \
- .write_raw = &tsl2x7x_write_raw, \
- .read_event_value = &tsl2x7x_read_event_value, \
- .write_event_value = &tsl2x7x_write_event_value, \
- .read_event_config = &tsl2x7x_read_interrupt_config, \
- .write_event_config = &tsl2x7x_write_interrupt_config, \
+ .attrs = &tsl2772_device_attr_group_tbl[type], \
+ .read_raw = &tsl2772_read_raw, \
+ .read_avail = &tsl2772_read_avail, \
+ .write_raw = &tsl2772_write_raw, \
+ .read_event_value = &tsl2772_read_event_value, \
+ .write_event_value = &tsl2772_write_event_value, \
+ .read_event_config = &tsl2772_read_interrupt_config, \
+ .write_event_config = &tsl2772_write_interrupt_config, \
}
-static const struct iio_info tsl2X7X_device_info[] = {
- TSL2X7X_DEVICE_INFO(ALS),
- TSL2X7X_DEVICE_INFO(PRX),
- TSL2X7X_DEVICE_INFO(ALSPRX),
- TSL2X7X_DEVICE_INFO(PRX2),
- TSL2X7X_DEVICE_INFO(ALSPRX2),
+static const struct iio_info tsl2772_device_info[] = {
+ TSL2772_DEVICE_INFO(ALS),
+ TSL2772_DEVICE_INFO(PRX),
+ TSL2772_DEVICE_INFO(ALSPRX),
+ TSL2772_DEVICE_INFO(PRX2),
+ TSL2772_DEVICE_INFO(ALSPRX2),
};
-static const struct iio_event_spec tsl2x7x_events[] = {
+static const struct iio_event_spec tsl2772_events[] = {
{
.type = IIO_EV_TYPE_THRESH,
.dir = IIO_EV_DIR_RISING,
},
};
-static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = {
+static const struct tsl2772_chip_info tsl2772_chip_info_tbl[] = {
[ALS] = {
.channel_with_events = {
{
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_INT_TIME) |
BIT(IIO_CHAN_INFO_CALIBSCALE),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
}, {
.type = IIO_INTENSITY,
.indexed = 1,
},
},
.chan_table_elements = 3,
- .info = &tsl2X7X_device_info[ALS],
+ .info = &tsl2772_device_info[ALS],
},
[PRX] = {
.channel_with_events = {
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
},
},
.channel_without_events = {
},
},
.chan_table_elements = 1,
- .info = &tsl2X7X_device_info[PRX],
+ .info = &tsl2772_device_info[PRX],
},
[ALSPRX] = {
.channel_with_events = {
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_INT_TIME) |
BIT(IIO_CHAN_INFO_CALIBSCALE),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
}, {
.type = IIO_INTENSITY,
.indexed = 1,
.indexed = 1,
.channel = 0,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
},
},
.channel_without_events = {
},
},
.chan_table_elements = 4,
- .info = &tsl2X7X_device_info[ALSPRX],
+ .info = &tsl2772_device_info[ALSPRX],
},
[PRX2] = {
.channel_with_events = {
BIT(IIO_CHAN_INFO_CALIBSCALE),
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_CALIBSCALE),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
},
},
.channel_without_events = {
},
},
.chan_table_elements = 1,
- .info = &tsl2X7X_device_info[PRX2],
+ .info = &tsl2772_device_info[PRX2],
},
[ALSPRX2] = {
.channel_with_events = {
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_INT_TIME) |
BIT(IIO_CHAN_INFO_CALIBSCALE),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
}, {
.type = IIO_INTENSITY,
.indexed = 1,
BIT(IIO_CHAN_INFO_CALIBSCALE),
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_CALIBSCALE),
- .event_spec = tsl2x7x_events,
- .num_event_specs = ARRAY_SIZE(tsl2x7x_events),
+ .event_spec = tsl2772_events,
+ .num_event_specs = ARRAY_SIZE(tsl2772_events),
},
},
.channel_without_events = {
},
},
.chan_table_elements = 4,
- .info = &tsl2X7X_device_info[ALSPRX2],
+ .info = &tsl2772_device_info[ALSPRX2],
},
};
-static int tsl2x7x_probe(struct i2c_client *clientp,
+static int tsl2772_probe(struct i2c_client *clientp,
const struct i2c_device_id *id)
{
struct iio_dev *indio_dev;
- struct tsl2X7X_chip *chip;
+ struct tsl2772_chip *chip;
int ret;
indio_dev = devm_iio_device_alloc(&clientp->dev, sizeof(*chip));
i2c_set_clientdata(clientp, indio_dev);
ret = i2c_smbus_read_byte_data(chip->client,
- TSL2X7X_CMD_REG | TSL2X7X_CHIPID);
+ TSL2772_CMD_REG | TSL2772_CHIPID);
if (ret < 0)
return ret;
- if (tsl2x7x_device_id_verif(ret, id->driver_data) <= 0) {
+ if (tsl2772_device_id_verif(ret, id->driver_data) <= 0) {
dev_info(&chip->client->dev,
"%s: i2c device found does not match expected id\n",
__func__);
return -EINVAL;
}
- ret = i2c_smbus_write_byte(clientp, TSL2X7X_CMD_REG | TSL2X7X_CNTRL);
+ ret = i2c_smbus_write_byte(clientp, TSL2772_CMD_REG | TSL2772_CNTRL);
if (ret < 0) {
dev_err(&clientp->dev,
"%s: Failed to write to CMD register: %d\n",
mutex_init(&chip->als_mutex);
mutex_init(&chip->prox_mutex);
- chip->tsl2x7x_chip_status = TSL2X7X_CHIP_UNKNOWN;
+ chip->tsl2772_chip_status = TSL2772_CHIP_UNKNOWN;
chip->pdata = dev_get_platdata(&clientp->dev);
chip->id = id->driver_data;
chip->chip_info =
- &tsl2x7x_chip_info_tbl[device_channel_config[id->driver_data]];
+ &tsl2772_chip_info_tbl[device_channel_config[id->driver_data]];
indio_dev->info = chip->chip_info->info;
indio_dev->dev.parent = &clientp->dev;
ret = devm_request_threaded_irq(&clientp->dev, clientp->irq,
NULL,
- &tsl2x7x_event_handler,
+ &tsl2772_event_handler,
IRQF_TRIGGER_FALLING |
IRQF_ONESHOT,
- "TSL2X7X_event",
+ "TSL2772_event",
indio_dev);
if (ret) {
dev_err(&clientp->dev,
indio_dev->channels = chip->chip_info->channel_without_events;
}
- tsl2x7x_defaults(chip);
- ret = tsl2x7x_chip_on(indio_dev);
+ tsl2772_defaults(chip);
+ ret = tsl2772_chip_on(indio_dev);
if (ret < 0)
return ret;
ret = iio_device_register(indio_dev);
if (ret) {
- tsl2x7x_chip_off(indio_dev);
+ tsl2772_chip_off(indio_dev);
dev_err(&clientp->dev,
"%s: iio registration failed\n", __func__);
return ret;
return 0;
}
-static int tsl2x7x_suspend(struct device *dev)
+static int tsl2772_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- return tsl2x7x_chip_off(indio_dev);
+ return tsl2772_chip_off(indio_dev);
}
-static int tsl2x7x_resume(struct device *dev)
+static int tsl2772_resume(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
- return tsl2x7x_chip_on(indio_dev);
+ return tsl2772_chip_on(indio_dev);
}
-static int tsl2x7x_remove(struct i2c_client *client)
+static int tsl2772_remove(struct i2c_client *client)
{
struct iio_dev *indio_dev = i2c_get_clientdata(client);
- tsl2x7x_chip_off(indio_dev);
+ tsl2772_chip_off(indio_dev);
iio_device_unregister(indio_dev);
return 0;
}
-static const struct i2c_device_id tsl2x7x_idtable[] = {
+static const struct i2c_device_id tsl2772_idtable[] = {
{ "tsl2571", tsl2571 },
{ "tsl2671", tsl2671 },
{ "tmd2671", tmd2671 },
{}
};
-MODULE_DEVICE_TABLE(i2c, tsl2x7x_idtable);
+MODULE_DEVICE_TABLE(i2c, tsl2772_idtable);
-static const struct of_device_id tsl2x7x_of_match[] = {
+static const struct of_device_id tsl2772_of_match[] = {
{ .compatible = "amstaos,tsl2571" },
{ .compatible = "amstaos,tsl2671" },
{ .compatible = "amstaos,tmd2671" },
{ .compatible = "amstaos,tmd2772" },
{}
};
-MODULE_DEVICE_TABLE(of, tsl2x7x_of_match);
+MODULE_DEVICE_TABLE(of, tsl2772_of_match);
-static const struct dev_pm_ops tsl2x7x_pm_ops = {
- .suspend = tsl2x7x_suspend,
- .resume = tsl2x7x_resume,
+static const struct dev_pm_ops tsl2772_pm_ops = {
+ .suspend = tsl2772_suspend,
+ .resume = tsl2772_resume,
};
-static struct i2c_driver tsl2x7x_driver = {
+static struct i2c_driver tsl2772_driver = {
.driver = {
- .name = "tsl2x7x",
- .of_match_table = tsl2x7x_of_match,
- .pm = &tsl2x7x_pm_ops,
+ .name = "tsl2772",
+ .of_match_table = tsl2772_of_match,
+ .pm = &tsl2772_pm_ops,
},
- .id_table = tsl2x7x_idtable,
- .probe = tsl2x7x_probe,
- .remove = tsl2x7x_remove,
+ .id_table = tsl2772_idtable,
+ .probe = tsl2772_probe,
+ .remove = tsl2772_remove,
};
-module_i2c_driver(tsl2x7x_driver);
+module_i2c_driver(tsl2772_driver);
MODULE_AUTHOR("J. August Brenner <Jon.Brenner@ams.com>");
MODULE_AUTHOR("Brian Masney <masneyb@onstation.org>");
-MODULE_DESCRIPTION("TAOS tsl2x7x ambient and proximity light sensor driver");
+MODULE_DESCRIPTION("TAOS tsl2772 ambient and proximity light sensor driver");
MODULE_LICENSE("GPL");