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Message-ID: <20091012163640.GC20786@sortiz.org>
Date: Mon, 12 Oct 2009 18:36:42 +0200
From: Samuel Ortiz <sameo@...ux.intel.com>
To: Mike Frysinger <vapier@...too.org>
Cc: uclinux-dist-devel@...ckfin.uclinux.org,
linux-kernel@...r.kernel.org,
Michael Hennerich <michael.hennerich@...log.com>,
Bryan Wu <cooloney@...nel.org>
Subject: Re: [PATCH 1/5] mfd: ADP5520 Multifunction LCD Backlight and
Keypad Input Device Driver
Hi Mike,
On Sat, Oct 10, 2009 at 01:54:00PM -0400, Mike Frysinger wrote:
> From: Michael Hennerich <michael.hennerich@...log.com>
>
> Base driver for Analog Devices ADP5520/ADP5501 MFD PMICs
MFD and GPIO, backlight and input drivers applied, thanks.
About the LED one, I would really appreciate if you could have the LED
maintainer review it or/and ack it.
Cheers,
Samuel.
> Subdevs:
> LCD Backlight : drivers/video/backlight/adp5520_bl
> LEDs : drivers/led/leds-adp5520
> GPIO : drivers/gpio/adp5520-gpio (ADP5520 only)
> Keys : drivers/input/keyboard/adp5520-keys (ADP5520 only)
>
> Signed-off-by: Michael Hennerich <michael.hennerich@...log.com>
> Signed-off-by: Bryan Wu <cooloney@...nel.org>
> Signed-off-by: Mike Frysinger <vapier@...too.org>
> ---
> drivers/mfd/Kconfig | 10 ++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/adp5520.c | 378 +++++++++++++++++++++++++++++++++++++++++++
> include/linux/mfd/adp5520.h | 299 ++++++++++++++++++++++++++++++++++
> 4 files changed, 688 insertions(+), 0 deletions(-)
> create mode 100644 drivers/mfd/adp5520.c
> create mode 100644 include/linux/mfd/adp5520.h
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 570be13..34e8595 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -160,6 +160,16 @@ config PMIC_DA903X
> individual components like LCD backlight, voltage regulators,
> LEDs and battery-charger under the corresponding menus.
>
> +config PMIC_ADP5520
> + bool "Analog Devices ADP5520/01 MFD PMIC Core Support"
> + depends on I2C=y
> + help
> + Say yes here to add support for Analog Devices AD5520 and ADP5501,
> + Multifunction Power Management IC. This includes
> + the I2C driver and the core APIs _only_, you have to select
> + individual components like LCD backlight, LEDs, GPIOs and Kepad
> + under the corresponding menus.
> +
> config MFD_WM8400
> tristate "Support Wolfson Microelectronics WM8400"
> select MFD_CORE
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index f3b277b..a42248e 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -50,3 +50,4 @@ obj-$(CONFIG_PCF50633_ADC) += pcf50633-adc.o
> obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o
> obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
> obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
> +obj-$(CONFIG_PMIC_ADP5520) += adp5520.o
> diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
> new file mode 100644
> index 0000000..401a9b6
> --- /dev/null
> +++ b/drivers/mfd/adp5520.c
> @@ -0,0 +1,378 @@
> +/*
> + * Base driver for Analog Devices ADP5520/ADP5501 MFD PMICs
> + * LCD Backlight: drivers/video/backlight/adp5520_bl
> + * LEDs : drivers/led/leds-adp5520
> + * GPIO : drivers/gpio/adp5520-gpio (ADP5520 only)
> + * Keys : drivers/input/keyboard/adp5520-keys (ADP5520 only)
> + *
> + * Copyright 2009 Analog Devices Inc.
> + *
> + * Derived from da903x:
> + * Copyright (C) 2008 Compulab, Ltd.
> + * Mike Rapoport <mike@...pulab.co.il>
> + *
> + * Copyright (C) 2006-2008 Marvell International Ltd.
> + * Eric Miao <eric.miao@...vell.com>
> + *
> + * Licensed under the GPL-2 or later.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/init.h>
> +#include <linux/interrupt.h>
> +#include <linux/irq.h>
> +#include <linux/err.h>
> +#include <linux/i2c.h>
> +
> +#include <linux/mfd/adp5520.h>
> +
> +struct adp5520_chip {
> + struct i2c_client *client;
> + struct device *dev;
> + struct mutex lock;
> + struct blocking_notifier_head notifier_list;
> + int irq;
> + unsigned long id;
> +};
> +
> +static int __adp5520_read(struct i2c_client *client,
> + int reg, uint8_t *val)
> +{
> + int ret;
> +
> + ret = i2c_smbus_read_byte_data(client, reg);
> + if (ret < 0) {
> + dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
> + return ret;
> + }
> +
> + *val = (uint8_t)ret;
> + return 0;
> +}
> +
> +static int __adp5520_write(struct i2c_client *client,
> + int reg, uint8_t val)
> +{
> + int ret;
> +
> + ret = i2c_smbus_write_byte_data(client, reg, val);
> + if (ret < 0) {
> + dev_err(&client->dev, "failed writing 0x%02x to 0x%02x\n",
> + val, reg);
> + return ret;
> + }
> + return 0;
> +}
> +
> +int __adp5520_ack_bits(struct i2c_client *client, int reg, uint8_t bit_mask)
> +{
> + struct adp5520_chip *chip = i2c_get_clientdata(client);
> + uint8_t reg_val;
> + int ret;
> +
> + mutex_lock(&chip->lock);
> +
> + ret = __adp5520_read(client, reg, ®_val);
> +
> + if (!ret) {
> + reg_val |= bit_mask;
> + ret = __adp5520_write(client, reg, reg_val);
> + }
> +
> + mutex_unlock(&chip->lock);
> + return ret;
> +}
> +
> +int adp5520_write(struct device *dev, int reg, uint8_t val)
> +{
> + return __adp5520_write(to_i2c_client(dev), reg, val);
> +}
> +EXPORT_SYMBOL_GPL(adp5520_write);
> +
> +int adp5520_read(struct device *dev, int reg, uint8_t *val)
> +{
> + return __adp5520_read(to_i2c_client(dev), reg, val);
> +}
> +EXPORT_SYMBOL_GPL(adp5520_read);
> +
> +int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(dev);
> + uint8_t reg_val;
> + int ret;
> +
> + mutex_lock(&chip->lock);
> +
> + ret = __adp5520_read(chip->client, reg, ®_val);
> +
> + if (!ret && ((reg_val & bit_mask) == 0)) {
> + reg_val |= bit_mask;
> + ret = __adp5520_write(chip->client, reg, reg_val);
> + }
> +
> + mutex_unlock(&chip->lock);
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(adp5520_set_bits);
> +
> +int adp5520_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(dev);
> + uint8_t reg_val;
> + int ret;
> +
> + mutex_lock(&chip->lock);
> +
> + ret = __adp5520_read(chip->client, reg, ®_val);
> +
> + if (!ret && (reg_val & bit_mask)) {
> + reg_val &= ~bit_mask;
> + ret = __adp5520_write(chip->client, reg, reg_val);
> + }
> +
> + mutex_unlock(&chip->lock);
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(adp5520_clr_bits);
> +
> +int adp5520_register_notifier(struct device *dev, struct notifier_block *nb,
> + unsigned int events)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(dev);
> +
> + if (chip->irq) {
> + adp5520_set_bits(chip->dev, ADP5520_INTERRUPT_ENABLE,
> + events & (ADP5520_KP_IEN | ADP5520_KR_IEN |
> + ADP5520_OVP_IEN | ADP5520_CMPR_IEN));
> +
> + return blocking_notifier_chain_register(&chip->notifier_list,
> + nb);
> + }
> +
> + return -ENODEV;
> +}
> +EXPORT_SYMBOL_GPL(adp5520_register_notifier);
> +
> +int adp5520_unregister_notifier(struct device *dev, struct notifier_block *nb,
> + unsigned int events)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(dev);
> +
> + adp5520_clr_bits(chip->dev, ADP5520_INTERRUPT_ENABLE,
> + events & (ADP5520_KP_IEN | ADP5520_KR_IEN |
> + ADP5520_OVP_IEN | ADP5520_CMPR_IEN));
> +
> + return blocking_notifier_chain_unregister(&chip->notifier_list, nb);
> +}
> +EXPORT_SYMBOL_GPL(adp5520_unregister_notifier);
> +
> +static irqreturn_t adp5520_irq_thread(int irq, void *data)
> +{
> + struct adp5520_chip *chip = data;
> + unsigned int events;
> + uint8_t reg_val;
> + int ret;
> +
> + ret = __adp5520_read(chip->client, ADP5520_MODE_STATUS, ®_val);
> + if (ret)
> + goto out;
> +
> + events = reg_val & (ADP5520_OVP_INT | ADP5520_CMPR_INT |
> + ADP5520_GPI_INT | ADP5520_KR_INT | ADP5520_KP_INT);
> +
> + blocking_notifier_call_chain(&chip->notifier_list, events, NULL);
> + /* ACK, Sticky bits are W1C */
> + __adp5520_ack_bits(chip->client, ADP5520_MODE_STATUS, events);
> +
> +out:
> + return IRQ_HANDLED;
> +}
> +
> +static int __remove_subdev(struct device *dev, void *unused)
> +{
> + platform_device_unregister(to_platform_device(dev));
> + return 0;
> +}
> +
> +static int adp5520_remove_subdevs(struct adp5520_chip *chip)
> +{
> + return device_for_each_child(chip->dev, NULL, __remove_subdev);
> +}
> +
> +static int __devinit adp5520_probe(struct i2c_client *client,
> + const struct i2c_device_id *id)
> +{
> + struct adp5520_platform_data *pdata = client->dev.platform_data;
> + struct platform_device *pdev;
> + struct adp5520_chip *chip;
> + int ret;
> +
> + if (!i2c_check_functionality(client->adapter,
> + I2C_FUNC_SMBUS_BYTE_DATA)) {
> + dev_err(&client->dev, "SMBUS Word Data not Supported\n");
> + return -EIO;
> + }
> +
> + if (pdata == NULL) {
> + dev_err(&client->dev, "missing platform data\n");
> + return -ENODEV;
> + }
> +
> + chip = kzalloc(sizeof(*chip), GFP_KERNEL);
> + if (!chip)
> + return -ENOMEM;
> +
> + i2c_set_clientdata(client, chip);
> + chip->client = client;
> +
> + chip->dev = &client->dev;
> + chip->irq = client->irq;
> + chip->id = id->driver_data;
> + mutex_init(&chip->lock);
> +
> + if (chip->irq) {
> + BLOCKING_INIT_NOTIFIER_HEAD(&chip->notifier_list);
> +
> + ret = request_threaded_irq(chip->irq, NULL, adp5520_irq_thread,
> + IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> + "adp5520", chip);
> + if (ret) {
> + dev_err(&client->dev, "failed to request irq %d\n",
> + chip->irq);
> + goto out_free_chip;
> + }
> + }
> +
> + ret = adp5520_write(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
> + if (ret) {
> + dev_err(&client->dev, "failed to write\n");
> + goto out_free_irq;
> + }
> +
> + if (pdata->keys) {
> + pdev = platform_device_register_data(chip->dev, "adp5520-keys",
> + chip->id, pdata->keys, sizeof(*pdata->keys));
> + if (IS_ERR(pdev)) {
> + ret = PTR_ERR(pdev);
> + goto out_remove_subdevs;
> + }
> + }
> +
> + if (pdata->gpio) {
> + pdev = platform_device_register_data(chip->dev, "adp5520-gpio",
> + chip->id, pdata->gpio, sizeof(*pdata->gpio));
> + if (IS_ERR(pdev)) {
> + ret = PTR_ERR(pdev);
> + goto out_remove_subdevs;
> + }
> + }
> +
> + if (pdata->leds) {
> + pdev = platform_device_register_data(chip->dev, "adp5520-led",
> + chip->id, pdata->leds, sizeof(*pdata->leds));
> + if (IS_ERR(pdev)) {
> + ret = PTR_ERR(pdev);
> + goto out_remove_subdevs;
> + }
> + }
> +
> + if (pdata->backlight) {
> + pdev = platform_device_register_data(chip->dev,
> + "adp5520-backlight",
> + chip->id,
> + pdata->backlight,
> + sizeof(*pdata->backlight));
> + if (IS_ERR(pdev)) {
> + ret = PTR_ERR(pdev);
> + goto out_remove_subdevs;
> + }
> + }
> +
> + return 0;
> +
> +out_remove_subdevs:
> + adp5520_remove_subdevs(chip);
> +
> +out_free_irq:
> + if (chip->irq)
> + free_irq(chip->irq, chip);
> +
> +out_free_chip:
> + i2c_set_clientdata(client, NULL);
> + kfree(chip);
> +
> + return ret;
> +}
> +
> +static int __devexit adp5520_remove(struct i2c_client *client)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
> +
> + if (chip->irq)
> + free_irq(chip->irq, chip);
> +
> + adp5520_remove_subdevs(chip);
> + adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
> + i2c_set_clientdata(client, NULL);
> + kfree(chip);
> + return 0;
> +}
> +
> +#ifdef CONFIG_PM
> +static int adp5520_suspend(struct i2c_client *client,
> + pm_message_t state)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
> +
> + adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
> + return 0;
> +}
> +
> +static int adp5520_resume(struct i2c_client *client)
> +{
> + struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
> +
> + adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
> + return 0;
> +}
> +#else
> +#define adp5520_suspend NULL
> +#define adp5520_resume NULL
> +#endif
> +
> +static const struct i2c_device_id adp5520_id[] = {
> + { "pmic-adp5520", ID_ADP5520 },
> + { "pmic-adp5501", ID_ADP5501 },
> + { }
> +};
> +MODULE_DEVICE_TABLE(i2c, adp5520_id);
> +
> +static struct i2c_driver adp5520_driver = {
> + .driver = {
> + .name = "adp5520",
> + .owner = THIS_MODULE,
> + },
> + .probe = adp5520_probe,
> + .remove = __devexit_p(adp5520_remove),
> + .suspend = adp5520_suspend,
> + .resume = adp5520_resume,
> + .id_table = adp5520_id,
> +};
> +
> +static int __init adp5520_init(void)
> +{
> + return i2c_add_driver(&adp5520_driver);
> +}
> +module_init(adp5520_init);
> +
> +static void __exit adp5520_exit(void)
> +{
> + i2c_del_driver(&adp5520_driver);
> +}
> +module_exit(adp5520_exit);
> +
> +MODULE_AUTHOR("Michael Hennerich <hennerich@...ckfin.uclinux.org>");
> +MODULE_DESCRIPTION("ADP5520(01) PMIC-MFD Driver");
> +MODULE_LICENSE("GPL");
> diff --git a/include/linux/mfd/adp5520.h b/include/linux/mfd/adp5520.h
> new file mode 100644
> index 0000000..ac37558
> --- /dev/null
> +++ b/include/linux/mfd/adp5520.h
> @@ -0,0 +1,299 @@
> +/*
> + * Definitions and platform data for Analog Devices
> + * ADP5520/ADP5501 MFD PMICs (Backlight, LED, GPIO and Keys)
> + *
> + * Copyright 2009 Analog Devices Inc.
> + *
> + * Licensed under the GPL-2 or later.
> + */
> +
> +
> +#ifndef __LINUX_MFD_ADP5520_H
> +#define __LINUX_MFD_ADP5520_H
> +
> +#define ID_ADP5520 5520
> +#define ID_ADP5501 5501
> +
> +/*
> + * ADP5520/ADP5501 Register Map
> + */
> +
> +#define ADP5520_MODE_STATUS 0x00
> +#define ADP5520_INTERRUPT_ENABLE 0x01
> +#define ADP5520_BL_CONTROL 0x02
> +#define ADP5520_BL_TIME 0x03
> +#define ADP5520_BL_FADE 0x04
> +#define ADP5520_DAYLIGHT_MAX 0x05
> +#define ADP5520_DAYLIGHT_DIM 0x06
> +#define ADP5520_OFFICE_MAX 0x07
> +#define ADP5520_OFFICE_DIM 0x08
> +#define ADP5520_DARK_MAX 0x09
> +#define ADP5520_DARK_DIM 0x0A
> +#define ADP5520_BL_VALUE 0x0B
> +#define ADP5520_ALS_CMPR_CFG 0x0C
> +#define ADP5520_L2_TRIP 0x0D
> +#define ADP5520_L2_HYS 0x0E
> +#define ADP5520_L3_TRIP 0x0F
> +#define ADP5520_L3_HYS 0x10
> +#define ADP5520_LED_CONTROL 0x11
> +#define ADP5520_LED_TIME 0x12
> +#define ADP5520_LED_FADE 0x13
> +#define ADP5520_LED1_CURRENT 0x14
> +#define ADP5520_LED2_CURRENT 0x15
> +#define ADP5520_LED3_CURRENT 0x16
> +
> +/*
> + * ADP5520 Register Map
> + */
> +
> +#define ADP5520_GPIO_CFG_1 0x17
> +#define ADP5520_GPIO_CFG_2 0x18
> +#define ADP5520_GPIO_IN 0x19
> +#define ADP5520_GPIO_OUT 0x1A
> +#define ADP5520_GPIO_INT_EN 0x1B
> +#define ADP5520_GPIO_INT_STAT 0x1C
> +#define ADP5520_GPIO_INT_LVL 0x1D
> +#define ADP5520_GPIO_DEBOUNCE 0x1E
> +#define ADP5520_GPIO_PULLUP 0x1F
> +#define ADP5520_KP_INT_STAT_1 0x20
> +#define ADP5520_KP_INT_STAT_2 0x21
> +#define ADP5520_KR_INT_STAT_1 0x22
> +#define ADP5520_KR_INT_STAT_2 0x23
> +#define ADP5520_KEY_STAT_1 0x24
> +#define ADP5520_KEY_STAT_2 0x25
> +
> +/*
> + * MODE_STATUS bits
> + */
> +
> +#define ADP5520_nSTNBY (1 << 7)
> +#define ADP5520_BL_EN (1 << 6)
> +#define ADP5520_DIM_EN (1 << 5)
> +#define ADP5520_OVP_INT (1 << 4)
> +#define ADP5520_CMPR_INT (1 << 3)
> +#define ADP5520_GPI_INT (1 << 2)
> +#define ADP5520_KR_INT (1 << 1)
> +#define ADP5520_KP_INT (1 << 0)
> +
> +/*
> + * INTERRUPT_ENABLE bits
> + */
> +
> +#define ADP5520_AUTO_LD_EN (1 << 4)
> +#define ADP5520_CMPR_IEN (1 << 3)
> +#define ADP5520_OVP_IEN (1 << 2)
> +#define ADP5520_KR_IEN (1 << 1)
> +#define ADP5520_KP_IEN (1 << 0)
> +
> +/*
> + * BL_CONTROL bits
> + */
> +
> +#define ADP5520_BL_LVL ((x) << 5)
> +#define ADP5520_BL_LAW ((x) << 4)
> +#define ADP5520_BL_AUTO_ADJ (1 << 3)
> +#define ADP5520_OVP_EN (1 << 2)
> +#define ADP5520_FOVR (1 << 1)
> +#define ADP5520_KP_BL_EN (1 << 0)
> +
> +/*
> + * ALS_CMPR_CFG bits
> + */
> +
> +#define ADP5520_L3_OUT (1 << 3)
> +#define ADP5520_L2_OUT (1 << 2)
> +#define ADP5520_L3_EN (1 << 1)
> +
> +#define ADP5020_MAX_BRIGHTNESS 0x7F
> +
> +#define FADE_VAL(in, out) ((0xF & (in)) | ((0xF & (out)) << 4))
> +#define BL_CTRL_VAL(law, auto) (((1 & (auto)) << 3) | ((0x3 & (law)) << 4))
> +#define ALS_CMPR_CFG_VAL(filt, l3_en) (((0x7 & filt) << 5) | l3_en)
> +
> +/*
> + * LEDs subdevice bits and masks
> + */
> +
> +#define ADP5520_01_MAXLEDS 3
> +
> +#define ADP5520_FLAG_LED_MASK 0x3
> +#define ADP5520_FLAG_OFFT_SHIFT 8
> +#define ADP5520_FLAG_OFFT_MASK 0x3
> +
> +#define ADP5520_R3_MODE (1 << 5)
> +#define ADP5520_C3_MODE (1 << 4)
> +#define ADP5520_LED_LAW (1 << 3)
> +#define ADP5520_LED3_EN (1 << 2)
> +#define ADP5520_LED2_EN (1 << 1)
> +#define ADP5520_LED1_EN (1 << 0)
> +
> +/*
> + * GPIO subdevice bits and masks
> + */
> +
> +#define ADP5520_MAXGPIOS 8
> +
> +#define ADP5520_GPIO_C3 (1 << 7) /* LED2 or GPIO7 aka C3 */
> +#define ADP5520_GPIO_C2 (1 << 6)
> +#define ADP5520_GPIO_C1 (1 << 5)
> +#define ADP5520_GPIO_C0 (1 << 4)
> +#define ADP5520_GPIO_R3 (1 << 3) /* LED3 or GPIO3 aka R3 */
> +#define ADP5520_GPIO_R2 (1 << 2)
> +#define ADP5520_GPIO_R1 (1 << 1)
> +#define ADP5520_GPIO_R0 (1 << 0)
> +
> +struct adp5520_gpio_platform_data {
> + unsigned gpio_start;
> + u8 gpio_en_mask;
> + u8 gpio_pullup_mask;
> +};
> +
> +/*
> + * Keypad subdevice bits and masks
> + */
> +
> +#define ADP5520_MAXKEYS 16
> +
> +#define ADP5520_COL_C3 (1 << 7) /* LED2 or GPIO7 aka C3 */
> +#define ADP5520_COL_C2 (1 << 6)
> +#define ADP5520_COL_C1 (1 << 5)
> +#define ADP5520_COL_C0 (1 << 4)
> +#define ADP5520_ROW_R3 (1 << 3) /* LED3 or GPIO3 aka R3 */
> +#define ADP5520_ROW_R2 (1 << 2)
> +#define ADP5520_ROW_R1 (1 << 1)
> +#define ADP5520_ROW_R0 (1 << 0)
> +
> +#define ADP5520_KEY(row, col) (col + row * 4)
> +#define ADP5520_KEYMAPSIZE ADP5520_MAXKEYS
> +
> +struct adp5520_keys_platform_data {
> + int rows_en_mask; /* Number of rows */
> + int cols_en_mask; /* Number of columns */
> + const unsigned short *keymap; /* Pointer to keymap */
> + unsigned short keymapsize; /* Keymap size */
> + unsigned repeat:1; /* Enable key repeat */
> +};
> +
> +
> +/*
> + * LEDs subdevice platform data
> + */
> +
> +#define FLAG_ID_ADP5520_LED1_ADP5501_LED0 1 /* ADP5520 PIN ILED */
> +#define FLAG_ID_ADP5520_LED2_ADP5501_LED1 2 /* ADP5520 PIN C3 */
> +#define FLAG_ID_ADP5520_LED3_ADP5501_LED2 3 /* ADP5520 PIN R3 */
> +
> +#define ADP5520_LED_DIS_BLINK (0 << ADP5520_FLAG_OFFT_SHIFT)
> +#define ADP5520_LED_OFFT_600ms (1 << ADP5520_FLAG_OFFT_SHIFT)
> +#define ADP5520_LED_OFFT_800ms (2 << ADP5520_FLAG_OFFT_SHIFT)
> +#define ADP5520_LED_OFFT_1200ms (3 << ADP5520_FLAG_OFFT_SHIFT)
> +
> +#define ADP5520_LED_ONT_200ms 0
> +#define ADP5520_LED_ONT_600ms 1
> +#define ADP5520_LED_ONT_800ms 2
> +#define ADP5520_LED_ONT_1200ms 3
> +
> +struct adp5520_leds_platform_data {
> + int num_leds;
> + struct led_info *leds;
> + u8 fade_in; /* Backlight Fade-In Timer */
> + u8 fade_out; /* Backlight Fade-Out Timer */
> + u8 led_on_time;
> +};
> +
> +/*
> + * Backlight subdevice platform data
> + */
> +
> +#define ADP5520_FADE_T_DIS 0 /* Fade Timer Disabled */
> +#define ADP5520_FADE_T_300ms 1 /* 0.3 Sec */
> +#define ADP5520_FADE_T_600ms 2
> +#define ADP5520_FADE_T_900ms 3
> +#define ADP5520_FADE_T_1200ms 4
> +#define ADP5520_FADE_T_1500ms 5
> +#define ADP5520_FADE_T_1800ms 6
> +#define ADP5520_FADE_T_2100ms 7
> +#define ADP5520_FADE_T_2400ms 8
> +#define ADP5520_FADE_T_2700ms 9
> +#define ADP5520_FADE_T_3000ms 10
> +#define ADP5520_FADE_T_3500ms 11
> +#define ADP5520_FADE_T_4000ms 12
> +#define ADP5520_FADE_T_4500ms 13
> +#define ADP5520_FADE_T_5000ms 14
> +#define ADP5520_FADE_T_5500ms 15 /* 5.5 Sec */
> +
> +#define ADP5520_BL_LAW_LINEAR 0
> +#define ADP5520_BL_LAW_SQUARE 1
> +#define ADP5520_BL_LAW_CUBIC1 2
> +#define ADP5520_BL_LAW_CUBIC2 3
> +
> +#define ADP5520_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */
> +#define ADP5520_BL_AMBL_FILT_160ms 1
> +#define ADP5520_BL_AMBL_FILT_320ms 2
> +#define ADP5520_BL_AMBL_FILT_640ms 3
> +#define ADP5520_BL_AMBL_FILT_1280ms 4
> +#define ADP5520_BL_AMBL_FILT_2560ms 5
> +#define ADP5520_BL_AMBL_FILT_5120ms 6
> +#define ADP5520_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */
> +
> + /*
> + * Blacklight current 0..30mA
> + */
> +#define ADP5520_BL_CUR_mA(I) ((I * 127) / 30)
> +
> + /*
> + * L2 comparator current 0..1000uA
> + */
> +#define ADP5520_L2_COMP_CURR_uA(I) ((I * 255) / 1000)
> +
> + /*
> + * L3 comparator current 0..127uA
> + */
> +#define ADP5520_L3_COMP_CURR_uA(I) ((I * 255) / 127)
> +
> +struct adp5520_backlight_platform_data {
> + u8 fade_in; /* Backlight Fade-In Timer */
> + u8 fade_out; /* Backlight Fade-Out Timer */
> + u8 fade_led_law; /* fade-on/fade-off transfer characteristic */
> +
> + u8 en_ambl_sens; /* 1 = enable ambient light sensor */
> + u8 abml_filt; /* Light sensor filter time */
> + u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
> + u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1000 uA */
> + u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1000 uA */
> + u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 127 uA */
> + u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 127 uA */
> +};
> +
> +/*
> + * MFD chip platform data
> + */
> +
> +struct adp5520_platform_data {
> + struct adp5520_keys_platform_data *keys;
> + struct adp5520_gpio_platform_data *gpio;
> + struct adp5520_leds_platform_data *leds;
> + struct adp5520_backlight_platform_data *backlight;
> +};
> +
> +/*
> + * MFD chip functions
> + */
> +
> +extern int adp5520_read(struct device *dev, int reg, uint8_t *val);
> +extern int adp5520_write(struct device *dev, int reg, u8 val);
> +extern int adp5520_clr_bits(struct device *dev, int reg, uint8_t bit_mask);
> +extern int adp5520_set_bits(struct device *dev, int reg, uint8_t bit_mask);
> +
> +extern int adp5520_register_notifier(struct device *dev,
> + struct notifier_block *nb, unsigned int events);
> +
> +extern int adp5520_unregister_notifier(struct device *dev,
> + struct notifier_block *nb, unsigned int events);
> +
> +#endif /* __LINUX_MFD_ADP5520_H */
> --
> 1.6.5.rc2
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
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