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Message-ID: <588E0FE4-4408-43B7-935A-8A00B8BE2413@kernel.org>
Date: Mon, 28 Sep 2015 10:06:22 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Daniel Baluta <daniel.baluta@...il.com>,
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
On 28 September 2015 09:49:33 BST, Daniel Baluta <daniel.baluta@...il.com> wrote:
>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
One quick point in case you respin before I take a detailed look...
General kernel practice these days is to only have stuff in a header if needed by
more than one c file. Otherwise defines etc belong at the top of the c file itself.
Hence here most of not all that header wants to be inline...
>
>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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