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Date: Mon, 28 Sep 2015 11:49:33 +0300
From: Daniel Baluta <daniel.baluta@...il.com>
To: Suresh Rajashekara <sureshraj@...gle.com>
Cc: "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] CHROMIUM: iio: Add Dyna-Image AP3223 ambient light and
proximity driver
CHROMIUM: iio: Add Dyna-Image AP3223 ambient light and proximity driver
Please remove CHROMIUM from the commit message. Consider using
something like this:
iio: light: Add Dyna-Image AP3223 ambient light and proximity driver
On Mon, Sep 28, 2015 at 8:00 AM, Suresh Rajashekara
<sureshraj@...gle.com> wrote:
> Minimal implementation. This is based on the driver provided by
> the vendor (which wasn't in the IIO framework). Authors of the
> driver from the vendor included
> * John Huang <john.huang@...a-image.com>
> * Templeton Tsai <templeton.tsai@...a-image.com>
> * Vic Lee <Vic_Lee@...s.com>
Please specify features supported by this driver. E.g:
Minimal implementation with support for raw light and proximity readings.
Also, please add a link to the datasheet if available.
>
> Signed-off-by: Suresh Rajashekara <sureshraj@...gle.com>
> ---
> .../devicetree/bindings/iio/light/ap3223.txt | 18 +
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
> drivers/iio/light/Kconfig | 10 +
> drivers/iio/light/Makefile | 1 +
> drivers/iio/light/ap3223.c | 394 +++++++++++++++++++++
> drivers/iio/light/ap3223.h | 227 ++++++++++++
> 6 files changed, 651 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/iio/light/ap3223.txt
DT bindings should be sent as a separate patch in the same patch series, with
relevant DT people CC'ed (use ./scripts/get_maintainer.pl).
> create mode 100644 drivers/iio/light/ap3223.c
> create mode 100644 drivers/iio/light/ap3223.h
>
> diff --git a/Documentation/devicetree/bindings/iio/light/ap3223.txt b/Documentation/devicetree/bindings/iio/light/ap3223.txt
> new file mode 100644
> index 0000000..b255d27
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/ap3223.txt
> @@ -0,0 +1,18 @@
> +* Dyna Image AP3223 ambient light sensor and proximity sensor
> +
> +http://www.dyna-image.com/english/product/optical-sensor-detail.php?cpid=2&dpid=8
> +
> +Required properties:
> +
> + - compatible : should be "dynaimage,ap3223"
> + - reg : the I2C address of the sensor
> +
> +Example:
> +
> +ap3223@1c {
> + compatible = "dynaimage,ap3223";
> + reg = <0x1c>;
> +
> + pinctrl-0 = <&ap3223_pins>;
> + pinctrl-names = "default";
> +};
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 5f20add..704da45 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -46,6 +46,7 @@ digilent Diglent, Inc.
> dlg Dialog Semiconductor
> dlink D-Link Corporation
> dmo Data Modul AG
> +dynaimage Dyna-Image
> ebv EBV Elektronik
> edt Emerging Display Technologies
> elan Elan Microelectronic Corp.
> diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
> index ae68c64..5255aa2 100644
> --- a/drivers/iio/light/Kconfig
> +++ b/drivers/iio/light/Kconfig
> @@ -27,6 +27,16 @@ config AL3320A
> To compile this driver as a module, choose M here: the
> module will be called al3320a.
>
> +config AP3223
> + tristate "AP3223 ambient light and proximity sensor"
Dyna Image AP3323 ...
> + depends on I2C
> + help
> + Say Y here if you want to build a driver for the Dyna Image AP3223
> + ambient light and proximity sensor.
> +
> + To compile this driver as a module, choose M here: the
> + module will be called ap3223.
> +
> config APDS9300
> tristate "APDS9300 ambient light sensor"
> depends on I2C
> diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
> index b12a516..13a74f9 100644
> --- a/drivers/iio/light/Makefile
> +++ b/drivers/iio/light/Makefile
> @@ -5,6 +5,7 @@
> # When adding new entries keep the list in alphabetical order
> obj-$(CONFIG_ADJD_S311) += adjd_s311.o
> obj-$(CONFIG_AL3320A) += al3320a.o
> +obj-$(CONFIG_AP3223) += ap3223.o
> obj-$(CONFIG_APDS9300) += apds9300.o
> obj-$(CONFIG_CM32181) += cm32181.o
> obj-$(CONFIG_CM3232) += cm3232.o
> diff --git a/drivers/iio/light/ap3223.c b/drivers/iio/light/ap3223.c
> new file mode 100644
> index 0000000..55bbcdd
> --- /dev/null
> +++ b/drivers/iio/light/ap3223.c
> @@ -0,0 +1,394 @@
> +/*
> + * ap3223.c
Add a small description for this file or remove the comment. As it is
now it doesn't make sense because we know the name of the file we
are reading.
> + *
> + * Copyright (C) 2015 Google, Inc.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * Note about the original authors:
> + *
> + * The driver for AP3223 was originally distributed by dyna image in a
> + * different framework. This driver uses code from that driver and converts
> + * it to iio framework. The non-iio driver from dyna image is not available
> + * online anywhere, so there is no reference for it here. However, that driver
> + * is also GPLv2. The following is part of the header found in that file
> + * (The GPL notice from the original header is removed)
Was it an input driver? :)
> + *
> + * >> This file is part of the AP3223, AP3212C and AP3216C sensor driver.
> + * >> AP3426 is combined proximity and ambient light sensor.
> + * >> AP3216C is combined proximity, ambient light sensor and IRLED.
> + * >>
> + * >> Contact: John Huang <john.huang@...a-image.com>
> + * >> Templeton Tsai <templeton.tsai@...a-image.com>
> + *
> + * Another author initials mentioned in that file was just YC (and no name).
> + *
> + * Not sure for what kernel version the driver from dyna image was written for.
> + * Vic Lee <Vic_Lee@...s.com> made modifications to it to run on 3.14.
> + */
> +
> +#include <linux/module.h>
> +#include <linux/init.h>
> +#include <linux/i2c.h>
> +#include <linux/iio/iio.h>
> +#include <linux/iio/sysfs.h>
> +#include <linux/mutex.h>
> +#include <linux/delay.h>
> +#include <linux/interrupt.h>
Is this needed?
> +#include <linux/of_gpio.h>
> +#include <linux/timer.h>
> +#include <linux/gpio.h>
> +#include <linux/device.h>
> +
> +#include "ap3223.h"
> +
> +#define AP3223_DRV_NAME "ap3223"
> +
> +struct ap3223_data {
> + struct i2c_client *client;
> + u8 reg_cache[AP3223_NUM_CACHABLE_REGS];
Consider using regmap interface.
> + int cali;
> +};
> +
> +static u8 ap3223_regs[AP3223_NUM_CACHABLE_REGS] = {
> + 0x00, 0x01, 0x02, 0x06, 0x0A,
> + 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
> + 0x10, 0x14, 0x1A, 0x1B, 0x1C,
> + 0x1D, 0x20, 0x21, 0x22, 0x23,
> + 0x24, 0x25, 0x26, 0x28, 0x29,
> + 0x2A, 0x2B, 0x2C, 0x2D, 0x30,
> + 0x32
> +};
> +
> +static u8 init_reg_config[] = {
> + 0x00, 0x03,
> + 0x10, 0x20,
> + 0X1A, 0xE8,
> + 0x1B, 0x03,
> + 0x1C, 0xD0,
> + 0x1D, 0x07,
> + 0x20, 0x04,
> + 0x21, 0x03,
> + 0x22, 0x01,
> + 0x23, 0x03,
> + 0x25, 0x0B,
> + 0x2A, 0x64,
> + 0x2C, 0xF4,
> + 0x2D, 0x00
> +};
> +
> +static int ap3223_range[] = { 65535, 16383, 4095, 1023 };
> +
> +#define FIND_REG_IDX(addr, regs, idx) { \
> + int i; \
> + for (i = 0; i < sizeof(ap3223_regs); i++) { \
> + if (addr == regs[i]) { \
> + idx = i; \
> + break; \
> + } \
> + } \
> +}
> +
> +#define AP3223_LIGHT_CHANNEL { \
> + .type = IIO_LIGHT, \
> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
> +}
> +
> +#define AP3223_PROXIMITY_CHANNEL { \
> + .type = IIO_PROXIMITY, \
> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
> +}
> +
> +static const struct iio_chan_spec ap3223_channels[] = {
> + AP3223_LIGHT_CHANNEL,
> + AP3223_PROXIMITY_CHANNEL,
> +};
> +
> +static int __ap3223_read_reg(struct i2c_client *client,
> + u32 reg, u8 mask, u8 shift)
> +{
> + struct ap3223_data *data = iio_priv(i2c_get_clientdata(client));
> + u8 idx = 0xff;
> +
> + FIND_REG_IDX(reg, ap3223_regs, idx);
> +
> + return (data->reg_cache[idx] & mask) >> shift;
> +}
> +
> +static int __ap3223_write_reg(struct i2c_client *client,
> + u32 reg, u8 mask, u8 shift, u8 val)
> +{
> + struct ap3223_data *data = iio_priv(i2c_get_clientdata(client));
> + int ret = 0;
> + u8 tmp;
> + u8 idx = 0xff;
> +
> + FIND_REG_IDX(reg, ap3223_regs, idx);
> +
> + if (idx >= sizeof(ap3223_regs))
> + return -EINVAL;
> +
> + tmp = data->reg_cache[idx];
> + tmp &= ~mask;
> + tmp |= val << shift;
> +
> + ret = i2c_smbus_write_byte_data(client, reg, tmp);
> + if (!ret)
> + data->reg_cache[idx] = tmp;
> +
> + return ret;
> +}
> +
> +static int ap3223_get_mode(struct i2c_client *client)
> +{
> + return __ap3223_read_reg(client, AP3223_REG_SYS_CONF,
> + AP3223_REG_SYS_CONF_MASK,
> + AP3223_REG_SYS_CONF_SHIFT);
> +}
> +
> +static int ap3223_set_mode(struct i2c_client *client, int mode)
> +{
> + return __ap3223_write_reg(client, AP3223_REG_SYS_CONF,
> + AP3223_REG_SYS_CONF_MASK,
> + AP3223_REG_SYS_CONF_SHIFT, mode);
> +}
> +
> +static int ap3223_get_range(struct i2c_client *client)
> +{
> + u8 idx = __ap3223_read_reg(client, AP3223_REG_ALS_CONF,
> + AP3223_ALS_RANGE_MASK,
> + AP3223_ALS_RANGE_SHIFT);
> + return ap3223_range[idx];
> +}
> +
> +static int ap3223_set_range(struct i2c_client *client, int range)
> +{
> + return __ap3223_write_reg(client, AP3223_REG_ALS_CONF,
> + AP3223_ALS_RANGE_MASK,
> + AP3223_ALS_RANGE_SHIFT, range);
> +}
> +
> +static int ap3223_get_adc_value(struct i2c_client *client)
> +{
> + unsigned int lsb, msb, val;
> + unsigned int tmp, range;
> + struct ap3223_data *data = iio_priv(i2c_get_clientdata(client));
> +
> + lsb = i2c_smbus_read_byte_data(client, AP3223_REG_ALS_DATA_LOW);
> +
No need for this empty line.
> + if (lsb < 0)
> + return lsb;
> +
> + msb = i2c_smbus_read_byte_data(client, AP3223_REG_ALS_DATA_HIGH);
> +
The same here
Use i2c_smbus_read_word_data.
> + if (msb < 0)
> + return msb;
> +
> + range = ap3223_get_range(client);
> +
> + tmp = (((msb << 8) | lsb) * range) >> 16;
> + tmp = tmp * data->cali / 100;
> + val = tmp;
> +
> + return val;
> +}
> +
> +static int ap3223_get_object(struct i2c_client *client)
> +{
> + int val;
> +
> + val = i2c_smbus_read_byte_data(client, AP3223_OBJ_COMMAND);
> + val &= AP3223_OBJ_MASK;
> +
> + return val >> AP3223_OBJ_SHIFT;
> +}
> +
> +/* Software Reset */
> +static inline void ap3223_sw_reset(struct i2c_client *client)
> +{
> + i2c_smbus_write_byte_data(client, 0x0, 0x4);
> +}
> +
> +static int ap3223_init_client(struct i2c_client *client)
> +{
> + struct ap3223_data *data = iio_priv(i2c_get_clientdata(client));
> + int i;
> +
> + dev_dbg(&client->dev, "AP3223 : Initializing Client ..\n");
> +
> + /* Read all the registers once to fill the cache.
> + * Even if one of the read fails, we consider the init failed */
> + for (i = 0; i < sizeof(ap3223_regs); i++) {
> + int v = i2c_smbus_read_byte_data(client, ap3223_regs[i]);
> +
> + if (v < 0)
> + return -ENODEV;
> +
> + data->reg_cache[i] = v;
> + }
> +
> + /* set defaults */
> + ap3223_set_range(client, AP3223_ALS_RANGE_0);
> + ap3223_set_mode(data->client, AP3223_SYS_DEV_DOWN);
> +
> + return 0;
> +}
> +
> +static int ap3223_read_raw(struct iio_dev *indio_dev,
> + struct iio_chan_spec const *chan, int *val,
> + int *val2, long mask)
> +{
> + struct ap3223_data *data = iio_priv(indio_dev);
> +
> + switch (chan->type) {
> + case IIO_LIGHT:
> + switch (mask) {
> + case IIO_CHAN_INFO_RAW:
> + if (ap3223_get_mode(data->client) ==
> + AP3223_SYS_DEV_DOWN) {
> + dev_err(&indio_dev->dev,
> + "Please power up first\n");
> + return -EINVAL;
> + }
> + *val = ap3223_get_adc_value(data->client);
> + return IIO_VAL_INT;
> + }
> + break;
> +
> + case IIO_PROXIMITY:
> + switch (mask) {
> + case IIO_CHAN_INFO_RAW:
> + *val = ap3223_get_object(data->client);
> + dev_info(&data->client->dev,
> + "%s\n", *val ? "Object Near" : "Object Far");
> + return IIO_VAL_INT;
> + }
> + break;
> +
> + default:
> + break;
> + }
> + return -EINVAL;
> +}
> +
> +static const struct iio_info ap3223_info = {
> + .driver_module = THIS_MODULE,
> + .read_raw = ap3223_read_raw,
> +};
> +
> +static void ap3223_init_reg_config(struct i2c_client *client)
> +{
> + int i;
> +
> + for (i = 0; i < sizeof(init_reg_config); i += 2) {
> + __ap3223_write_reg(client, init_reg_config[i], 0xff,
> + 0, init_reg_config[i + 1]);
> + }
> +}
> +
> +static int ap3223_init(struct ap3223_data *data)
> +{
> + struct i2c_client *client = data->client;
> + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
> + struct iio_dev *indio_dev = i2c_get_clientdata(data->client);
> + int err = 0;
> +
> + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) {
> + err = -EIO;
> + goto exit_free_gpio;
> + }
> +
> + ap3223_sw_reset(client);
> +
> + err = ap3223_init_client(client);
> + if (err)
> + goto exit_free;
> +
> + ap3223_init_reg_config(client);
> +
> + dev_info(&client->dev, "%s : driver enabled\n", AP3223_DRV_NAME);
> +
> + return 0;
> +
> +exit_free:
> + devm_iio_device_free(&client->dev, indio_dev);
> +
> +exit_free_gpio:
> + return err;
> +}
> +
> +static int ap3223_probe(struct i2c_client *client,
> + const struct i2c_device_id *id)
> +{
> + struct ap3223_data *data;
> + struct iio_dev *indio_dev;
> + int ret;
> +
> + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
> + if (!indio_dev)
> + return -ENOMEM;
> +
> + data = iio_priv(indio_dev);
> + i2c_set_clientdata(client, indio_dev);
> + data->client = client;
> +
> + data->cali = AP3223_DEFAULT_CAL;
> +
> + indio_dev->dev.parent = &client->dev;
> + indio_dev->info = &ap3223_info;
> + indio_dev->name = AP3223_DRV_NAME;
> + indio_dev->channels = ap3223_channels;
> + indio_dev->num_channels = ARRAY_SIZE(ap3223_channels);
> + indio_dev->modes = INDIO_DIRECT_MODE;
> +
> + ret = ap3223_init(data);
> + if (ret < 0) {
> + dev_err(&client->dev, "ap3223 chip init failed\n");
> + return ret;
> + }
> +
> + return devm_iio_device_register(&client->dev, indio_dev);
> +}
> +
> +static int ap3223_remove(struct i2c_client *client)
> +{
> + struct iio_dev *indio_dev = i2c_get_clientdata(client);
> + struct ap3223_data *data = iio_priv(indio_dev);
> +
> + ap3223_sw_reset(data->client);
> + ap3223_set_mode(data->client, 0);
> +
> + devm_iio_device_unregister(&client->dev, indio_dev);
> + devm_iio_device_free(&client->dev, indio_dev);
> +
> + return 0;
> +}
> +
> +static const struct i2c_device_id ap3223_id[] = {
> + {AP3223_DRV_NAME, 0},
> + {}
> +};
> +MODULE_DEVICE_TABLE(i2c, ap3223_id);
> +
> +static struct i2c_driver ap3223_driver = {
> + .driver = {
> + .name = AP3223_DRV_NAME,
> + .owner = THIS_MODULE,
> + },
> + .probe = ap3223_probe,
> + .remove = ap3223_remove,
> + .id_table = ap3223_id,
> +};
> +
> +module_i2c_driver(ap3223_driver);
> +
> +MODULE_AUTHOR("Suresh Rajashekara <sureshraj@...gle.com>");
> +MODULE_DESCRIPTION("AP3223 Ambient Light and Proximity Sensor Driver");
> +MODULE_LICENSE("GPL v2");
> diff --git a/drivers/iio/light/ap3223.h b/drivers/iio/light/ap3223.h
> new file mode 100644
> index 0000000..0cc88e4
> --- /dev/null
> +++ b/drivers/iio/light/ap3223.h
> @@ -0,0 +1,227 @@
> +/*
> + * ap3223.h
> + *
> + * Copyright (C) 2015 Google, Inc.
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * Note about the original authors:
> + *
> + * The driver for AP3223 was originally distributed by dyna image in a
> + * different framework. This driver uses code from that driver and converts
> + * it to iio framework. The non-iio driver from dyna image is not available
> + * online anywhere, so there is no reference for it here. However, that driver
> + * is also GPLv2. The following is part of the header found in that file
> + * (The GPL notice from the original header is removed)
> + *
> + * >> This file is part of the AP3223, AP3212C and AP3216C sensor driver.
> + * >> AP3426 is combined proximity and ambient light sensor.
> + * >> AP3216C is combined proximity, ambient light sensor and IRLED.
> + * >>
> + * >> Contact: John Huang <john.huang@...a-image.com>
> + * >> Templeton Tsai <templeton.tsai@...a-image.com>
> + *
> + * Another author initials mentioned in that file was just YC (and no name).
> + *
> + * Not sure for what kernel version the driver from dyna image was written for.
> + * Vic Lee <Vic_Lee@...s.com> made modifications to it to run on 3.14.
> + */
> +
> +#ifndef __AP3223_H__
> +#define __AP3223_H__
> +
> +#include <linux/ioctl.h>
> +
> +#define AP3223_SUCCESS 0
> +#define AP3223_ERR_I2C -1
> +#define AP3223_ERR_STATUS -3
> +#define AP3223_ERR_SETUP_FAILURE -4
> +#define AP3223_ERR_GETGSENSORDATA -5
> +#define AP3223_ERR_IDENTIFICATION -6
> +
> +
> +#define AP3223_NUM_CACHABLE_REGS 31
> +
> +/* No adjustment to lux value reading */
> +#define AP3223_DEFAULT_CAL 100
> +
> +/* ap3223 control registers */
> +#define AP3223_REG_SYS_CONF 0x00
> +#define AP3223_REG_SYS_CONF_SHIFT (0)
> +#define AP3223_REG_SYS_CONF_MASK 0x07
> +
> +#define AP3223_REG_SYS_INTSTATUS 0x01
> +#define AP3223_REG_SYS_INT_SHIFT (0)
> +#define AP3223_REG_SYS_INT_PS_SHIFT (1)
> +#define AP3223_REG_SYS_INT_LS_SHIFT (0)
> +#define AP3223_REG_SYS_INT_MASK 0x03
> +#define AP3223_REG_SYS_INT_PMASK 0x02
> +#define AP3223_REG_SYS_INT_AMASK 0x01
> +
> +#define AP3223_OBJ_COMMAND 0x01
> +#define AP3223_OBJ_MASK 0x10
> +#define AP3223_OBJ_SHIFT (4)
> +
> +#define AP3223_REG_SYS_INTCTRL 0x02
> +#define AP3223_REG_SYS_WAITTIME 0x06
> +
> +/* ap3223 data registers */
> +#define AP3223_REG_IR_DATA_LOW 0x0A
> +#define AP3223_REG_IR_DATA_LOW_SHIFT (0)
> +#define AP3223_REG_IR_DATA_LOW_MASK 0xFF
> +
> +#define AP3223_REG_IR_DATA_HIGH 0x0B
> +#define AP3223_REG_IR_DATA_HIGH_SHIFT (0)
> +#define AP3223_REG_IR_DATA_HIGH_MASK 0x03
> +
> +#define AP3223_REG_ALS_DATA_LOW 0x0C
> +#define AP3223_REG_ALS_DATA_HIGH 0x0D
> +
> +#define AP3223_REG_PS_DATA_LOW 0x0E
> +#define AP3223_REG_PS_DATA_LOW_SHIFT (0)
> +#define AL3223_REG_PS_DATA_LOW_MASK 0xFF
> +#define AP3223_REG_PS_DATA_HIGH 0x0F
> +#define AP3223_REG_PS_DATA_HIGH_SHIFT (0)
> +#define AL3223_REG_PS_DATA_HIGH_MASK 0x03
> +
> +#define AP3223_REG_ALS_CONF 0x10 /*ALS GAIN */
> +
> +#define AP3223_REG_ALS_PERSIS 0x14
> +#define AP3223_REG_ALS_PERSIS_SHIFT (0)
> +#define AP3223_REG_ALS_PERSIS_MASK 0x3F
> +/* #define AP3223_REG_ALS_CAL 0x19 */
> +
> +#define AP3223_REG_ALS_THDL_L 0x1A
> +#define AP3223_REG_ALS_THDL_L_SHIFT (0)
> +#define AP3223_REG_ALS_THDL_L_MASK 0xFF
> +
> +#define AP3223_REG_ALS_THDL_H 0x1B
> +#define AP3223_REG_ALS_THDL_H_SHIFT (0)
> +#define AP3223_REG_ALS_THDL_H_MASK 0xFF
> +
> +#define AP3223_REG_ALS_THDH_L 0x1C
> +#define AP3223_REG_ALS_THDH_L_SHIFT (0)
> +#define AP3223_REG_ALS_THDH_L_MASK 0xFF
> +
> +#define AP3223_REG_ALS_THDH_H 0x1D
> +#define AP3223_REG_ALS_THDH_H_SHIFT (0)
> +#define AP3223_REG_ALS_THDH_H_MASK 0xFF
> +
> +
> +/* ap3223 PS CONFIG registers */
> +#define AP3223_REG_PS_CONF 0x20 /*PS GAIN */
> +#define AP3223_REG_PS_CONF_SHIFT (2)
> +#define AP3223_REG_PS_CONF_MASK 0x0C
> +
> +#define AP3223_REG_PS_LEDD 0x21 /*PS LED DRIVER */
> +#define AP3223_REG_PS_LEDD_SHIFT (0)
> +#define AP3223_REG_PS_LEDD_MASK 0x03
> +
> +#define AP3223_REG_PS_IFORM 0x22 /* PS INT Mode */
> +
> +#define AP3223_REG_PS_MEAN 0x23
> +#define AP3223_REG_PS_MEAN_SHIFT (0)
> +#define AP3223_REG_PS_MEAN_MASK 0x03
> +
> +#define AP3223_REG_PS_SMARTINT 0x24 /* PS Smart INT for low power */
> +#define AP3223_REG_PS_INTEGR 0x25
> +#define AP3223_REG_PS_PERSIS 0x26
> +#define AP3223_REG_PS_PERSIS_SHIFT (0)
> +#define AP3223_REG_PS_PERSIS_MASK 0x3F
> +#define AP3223_REG_PS_CAL_L 0x28
> +#define AP3223_REG_PS_CAL_L_SHIFT (0)
> +#define AP3223_REG_PS_CAL_L_MASK 0xFF
> +#define AP3223_REG_PS_CAL_H 0x29
> +#define AP3223_REG_PS_CAL_H_SHIFT (0)
> +#define AP3223_REG_PS_CAL_H_MASK 0x01
> +
> +#define AP3223_REG_PS_THDL_L 0x2A
> +#define AP3223_REG_PS_THDL_L_SHIFT (0)
> +#define AP3223_REG_PS_THDL_L_MASK 0xFF
> +
> +#define AP3223_REG_PS_THDL_H 0x2B
> +#define AP3223_REG_PS_THDL_H_SHIFT (0)
> +#define AP3223_REG_PS_THDL_H_MASK 0x03
> +
> +#define AP3223_REG_PS_THDH_L 0x2C
> +#define AP3223_REG_PS_THDH_L_SHIFT (0)
> +#define AP3223_REG_PS_THDH_L_MASK 0xFF
> +
> +#define AP3223_REG_PS_THDH_H 0x2D
> +#define AP3223_REG_PS_THDH_H_SHIFT (0)
> +#define AP3223_REG_PS_THDH_H_MASK 0x03
> +
> +
> +/* SYSTEM MODE (AP3223_REG_SYS_CONF) */
> +#define AP3223_SYS_DEV_DOWN 0x00
> +#define AP3223_SYS_ALS_ENABLE 0x01
> +#define AP3223_SYS_PS_ENABLE 0x02
> +#define AP3223_SYS_ALS_PS_ENABLE 0x03
> +#define AP3223_SYS_DEV_RESET 0x04
> +
> +/* INT FLAG BIT MASK */
> +#define AP3223_SYS_ALS_INT_TRI 0x01
> +#define AP3223_SYS_PS_INT_TRI 0x02
> +#define AP3223_SYS_PS_INT_OBJ 0x10
> +#define AP3223_SYS_PS_INT_IROV 0x20
> +
> +/* INT CLEAN Mode */
> +#define AP3223_SYS_ICLEAN_AUTO 0x00
> +#define AP3223_SYS_ICLEAN_MANUAL 0x01
> +
> +/* ALS CONFIG */
> +#define AP3223_ALS_RANGE_0 0x00 /* Full range 32768 lux(0.5lux/count) */
> +#define AP3223_ALS_RANGE_1 0x01 /* Full range 8192 lux */
> +#define AP3223_ALS_RANGE_2 0x02 /* Full range 2048 lux */
> +#define AP3223_ALS_RANGE_3 0x03 /* Full range 512 lux */
> +#define AP3223_ALS_RANGE_MASK 0x30
> +#define AP3223_ALS_RANGE_SHIFT (4)
> +#define AP3223_ALS_PERSIST_MASK 0x0F
> +
> +/* PS CONFIG */
> +#define AP3223_PS_GAIN_1 0x00 /* PS resulation * 1 */
> +#define AP3223_PS_GAIN_2 0x01 /* PS resulation * 2 */
> +#define AP3223_PS_GAIN_4 0x02 /* PS resulation * 4 */
> +#define AP3223_PS_GAIN_8 0x03 /* PS resulation * 8 */
> +#define AP3223_PS_PERSIST_1 0x00
> +#define AP3223_PS_PERSIST_2 0x01
> +#define AP3223_PS_PERSIST_4 0x02
> +#define AP3223_PS_PERSIST_8 0x03
> +
> +/* PS LED Control */
> +#define AP3223_PS_LED_P0 0x00 /* 0 puls */
> +#define AP3223_PS_LED_P1 0x01 /* 1 puls (default) */
> +#define AP3223_PS_LED_P2 0x02 /* 2 puls */
> +#define AP3223_PS_LED_P3 0x03 /* 3 puls */
> +#define AP3223_PS_DEIVER_167 0x00 /* 16.7% */
> +#define AP3223_PS_DEIVER_333 0x01 /* 33.3% */
> +#define AP3223_PS_DEIVER_667 0x02 /* 66.7% */
> +#define AP3223_PS_DEIVER_1000 0x03 /* 100% (default) */
> +
> +/* PS MEAN */
> +#define AP3223_PS_MEAN_0 0x00 /* 5ms @2T */
> +#define AP3223_PS_MEAN_1 0x01 /* 9.6ms @2T */
> +#define AP3223_PS_MEAN_2 0x02 /* 14.1ms @2T */
> +#define AP3223_PS_MEAN_3 0x03 /* 18.7ms @2T */
> +
> +#define DISABLE 0x00
> +#define ENABLE 0x01
> +
> +/* PS Engineering Registers */
> +#define AP3223_REG_PS_DC_1 0x30 /* Only in Engineering chip,
> + couldn't find in datasheet */
> +#define AP3223_REG_PS_DC_1_SHIFT (0)
> +#define AP3223_REG_PS_DC_1_MASK 0xFF
> +#define AP3223_REG_PS_DC_2 0x32 /* Only in Engineering chip,
> + couldn't find in datasheet */
> +#define AP3223_REG_PS_DC_2_SHIFT (0)
> +#define AP3223_REG_PS_DC_2_MASK 0xFF
> +
> +#endif /* __AP3223_H__ */
> --
> 2.6.0.rc2.230.g3dd15c0
>
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