* [PATCH 1/1 v1] leds: Add LED driver for lm3556 chip
2012-04-09 2:00 [PATCH 0/1 v1] leds: Add LED driver for lm3556 chip Geon Si Jeong
@ 2012-04-09 2:00 ` Geon Si Jeong
2012-05-15 18:43 ` Johan Hovold
0 siblings, 1 reply; 5+ messages in thread
From: Geon Si Jeong @ 2012-04-09 2:00 UTC (permalink / raw)
To: Richard Purdie; +Cc: Daniel Jeong, linux-kernel, Andrew Morton, Geon Si Jeong
It is a simple driver for LM3556 Chip(Texas Instruments)
LM3556 :
The LM3556 is a 4 MHz fixed-frequency synchronous boost
converter plus 1.5A constant current driver for a high-current white LED.
Datasheet: www.national.com/ds/LM/LM3556.pdf
Tested on OMAP4430
Signed-off-by: Geon Si Jeong <gshark.jeong@gmail.com>
---
drivers/leds/Kconfig | 9 +
drivers/leds/Makefile | 2 +-
drivers/leds/leds-lm3556.c | 471 +++++++++++++++++++++++++++++++++++++++++++
include/linux/leds-lm3556.h | 242 ++++++++++++++++++++++
4 files changed, 723 insertions(+), 1 deletions(-)
create mode 100644 drivers/leds/leds-lm3556.c
create mode 100644 include/linux/leds-lm3556.h
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 589ba02..8ebdb3f 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -401,6 +401,15 @@ config LEDS_MAX8997
This option enables support for on-chip LED drivers on
MAXIM MAX8997 PMIC.
+config LEDS_LM3556
+ tristate "LED Support for TI LM3556 Chip"
+ depends on LEDS_CLASS
+ depends on I2C
+ help
+ This option enables support for LEDs connected to LM3556.
+ LM3556 includes Torch, Flash and Indicator functions and
+ controlled via I2C.
+
config LEDS_OT200
tristate "LED support for the Bachmann OT200"
depends on LEDS_CLASS && HAS_IOMEM
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index fa0f428..8ad2a46 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -46,7 +46,7 @@ obj-$(CONFIG_LEDS_NETXBIG) += leds-netxbig.o
obj-$(CONFIG_LEDS_ASIC3) += leds-asic3.o
obj-$(CONFIG_LEDS_RENESAS_TPU) += leds-renesas-tpu.o
obj-$(CONFIG_LEDS_MAX8997) += leds-max8997.o
-
+obj-$(CONFIG_LEDS_LM3556) += leds-lm3556.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
diff --git a/drivers/leds/leds-lm3556.c b/drivers/leds/leds-lm3556.c
new file mode 100644
index 0000000..1f0045c
--- /dev/null
+++ b/drivers/leds/leds-lm3556.c
@@ -0,0 +1,471 @@
+/*
+ * Simple driver for Texas Instruments LM3556 LED Flash driver chip (Rev0x03)
+ * Copyright (C) 2012 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/ctype.h>
+#include <linux/fs.h>
+#include <linux/leds-lm3556.h>
+
+#define REG_FILT_TIME (0x0)
+#define REG_IVFM_MODE (0x1)
+#define REG_NTC (0x2)
+#define REG_INDIC_TIME (0x3)
+#define REG_INDIC_BLINK (0x4)
+#define REG_INDIC_PERIOD (0x5)
+#define REG_TORCH_TIME (0x6)
+#define REG_CONF (0x7)
+#define REG_FLASH (0x8)
+#define REG_I_CTRL (0x9)
+#define REG_ENABLE (0xA)
+#define REG_FLAG (0xB)
+#define REG_MAX (0xC)
+
+#define IVFM_FILTER_TIME_SHIFT (3)
+#define UVLO_EN_SHIFT (7)
+#define HYSTERSIS_SHIFT (5)
+#define IVM_D_TH_SHIFT (2)
+#define IVFM_ADJ_MODE_SHIFT (0)
+#define NTC_EVENT_LVL_SHIFT (5)
+#define NTC_TRIP_TH_SHIFT (2)
+#define NTC_BIAS_I_LVL_SHIFT (0)
+#define INDIC_RAMP_UP_TIME_SHIFT (3)
+#define INDIC_RAMP_DN_TIME_SHIFT (0)
+#define INDIC_N_BLANK_SHIFT (4)
+#define INDIC_PULSE_TIME_SHIFT (0)
+#define INDIC_N_PERIOD_SHIFT (0)
+#define TORCH_RAMP_UP_TIME_SHIFT (3)
+#define TORCH_RAMP_DN_TIME_SHIFT (0)
+#define STROBE_USUAGE_SHIFT (7)
+#define STROBE_PIN_POLARITY_SHIFT (6)
+#define TORCH_PIN_POLARITY_SHIFT (5)
+#define TX_PIN_POLARITY_SHIFT (4)
+#define TX_EVENT_LVL_SHIFT (3)
+#define IVFM_EN_SHIFT (2)
+#define NTC_MODE_SHIFT (1)
+#define INDIC_MODE_SHIFT (0)
+#define INDUCTOR_I_LIMIT_SHIFT (6)
+#define FLASH_RAMP_TIME_SHIFT (3)
+#define FLASH_TOUT_TIME_SHIFT (0)
+#define TORCH_I_SHIFT (4)
+#define FLASH_I_SHIFT (0)
+#define NTC_EN_SHIFT (7)
+#define TX_PIN_EN_SHIFT (6)
+#define STROBE_PIN_EN_SHIFT (5)
+#define TORCH_PIN_EN_SHIFT (4)
+#define PRECHG_MODE_EN_SHIFT (3)
+#define PASS_MODE_ONLY_EN_SHIFT (2)
+#define MODE_BITS_SHIFT (0)
+
+#define IVFM_FILTER_TIME_MASK (0x3)
+#define UVLO_EN_MASK (0x1)
+#define HYSTERSIS_MASK (0x3)
+#define IVM_D_TH_MASK (0x7)
+#define IVFM_ADJ_MODE_MASK (0x3)
+#define NTC_EVENT_LVL_MASK (0x1)
+#define NTC_TRIP_TH_MASK (0x7)
+#define NTC_BIAS_I_LVL_MASK (0x3)
+#define INDIC_RAMP_UP_TIME_MASK (0x7)
+#define INDIC_RAMP_DN_TIME_MASK (0x7)
+#define INDIC_N_BLANK_MASK (0x7)
+#define INDIC_PULSE_TIME_MASK (0x7)
+#define INDIC_N_PERIOD_MASK (0x7)
+#define TORCH_RAMP_UP_TIME_MASK (0x7)
+#define TORCH_RAMP_DN_TIME_MASK (0x7)
+#define STROBE_USUAGE_MASK (0x1)
+#define STROBE_PIN_POLARITY_MASK (0x1)
+#define TORCH_PIN_POLARITY_MASK (0x1)
+#define TX_PIN_POLARITY_MASK (0x1)
+#define TX_EVENT_LVL_MASK (0x1)
+#define IVFM_EN_MASK (0x1)
+#define NTC_MODE_MASK (0x1)
+#define INDIC_MODE_MASK (0x1)
+#define INDUCTOR_I_LIMIT_MASK (0x3)
+#define FLASH_RAMP_TIME_MASK (0x7)
+#define FLASH_TOUT_TIME_MASK (0x7)
+#define TORCH_I_MASK (0x7)
+#define FLASH_I_MASK (0xF)
+#define NTC_EN_MASK (0x1)
+#define TX_PIN_EN_MASK (0x1)
+#define STROBE_PIN_EN_MASK (0x1)
+#define TORCH_PIN_EN_MASK (0x1)
+#define PRECHG_MODE_EN_MASK (0x1)
+#define PASS_MODE_ONLY_EN_MASK (0x1)
+#define MODE_BITS_MASK (0x13)
+#define EX_PIN_CONTROL_MASK (0xF1)
+#define EX_PIN_ENABLE_MASK (0x70)
+
+#define INDIC_PATTERN_SIZE 4
+
+struct indicator {
+ u8 blinking;
+ u8 period_cnt;
+};
+
+struct lm3556_chip_data {
+ struct i2c_client *client;
+
+ struct led_classdev cdev_flash;
+ struct led_classdev cdev_torch;
+ struct led_classdev cdev_indicator;
+
+ struct lm3556_platform_data *pdata;
+ struct mutex lock;
+
+ u8 last_flag;
+};
+
+/*Indicator Pattern*/
+static struct indicator indicator_pattern[INDIC_PATTERN_SIZE] = {
+ [0] = {(INDIC_N_BLANK_1 << INDIC_N_BLANK_SHIFT)
+ | PULSE_TIME_32_MS, INDIC_PERIOD_1},
+ [1] = {(INDIC_N_BLANK_15 << INDIC_N_BLANK_SHIFT)
+ | PULSE_TIME_32_MS, INDIC_PERIOD_2},
+ [2] = {(INDIC_N_BLANK_10 << INDIC_N_BLANK_SHIFT)
+ | PULSE_TIME_32_MS, INDIC_PERIOD_4},
+ [3] = {(INDIC_N_BLANK_5 << INDIC_N_BLANK_SHIFT)
+ | PULSE_TIME_32_MS, INDIC_PERIOD_7},
+};
+
+/* i2c access*/
+static int lm3556_read_reg(struct i2c_client *client, u8 reg, u8 * val)
+{
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(client, reg);
+ if (ret < 0) {
+ dev_err(&client->dev, "i2c reading fail at 0x%02x error %d\n",
+ reg, ret);
+ return ret;
+ }
+ *val = ret & 0xff;
+ return ret;
+}
+
+static int lm3556_write_reg(struct i2c_client *client, u8 reg, u8 val)
+{
+ int ret = 0;
+
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+
+ if (ret < 0)
+ dev_err(&client->dev, "i2c writting fail at 0x%02x\n", reg);
+ return ret;
+}
+
+static int lm3556_write_bits(struct i2c_client *client,
+ u8 reg, u8 val, u8 mask, u8 shift)
+{
+ int ret;
+ u8 reg_val;
+ struct lm3556_chip_data *chip = i2c_get_clientdata(client);
+
+ mutex_lock(&chip->lock);
+ ret = lm3556_read_reg(client, reg, ®_val);
+ if (ret < 0)
+ goto out;
+ reg_val &= (~(mask << shift));
+ reg_val |= ((val & mask) << shift);
+ ret = lm3556_write_reg(client, reg, reg_val);
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+
+/* chip initialize*/
+static int lm3556_chip_init(struct lm3556_chip_data *chip)
+{
+ u8 reg_val;
+ int ret;
+ struct i2c_client *client = chip->client;
+ struct lm3556_platform_data *pdata = chip->pdata;
+
+ /*set config register */
+ ret = lm3556_read_reg(client, REG_CONF, ®_val);
+ if (ret < 0)
+ goto out;
+ reg_val &= (~EX_PIN_CONTROL_MASK);
+ reg_val |= ((pdata->torch_pin_polarity & 0x01)
+ << TORCH_PIN_POLARITY_SHIFT);
+ reg_val |= ((pdata->strobe_usuage & 0x01) << STROBE_USUAGE_SHIFT);
+ reg_val |= ((pdata->strobe_pin_polarity & 0x01)
+ << STROBE_PIN_POLARITY_SHIFT);
+ reg_val |= ((pdata->tx_pin_polarity & 0x01) << TX_PIN_POLARITY_SHIFT);
+ reg_val |= ((pdata->indicator_mode & 0x01) << INDIC_MODE_SHIFT);
+ ret = lm3556_write_reg(client, REG_CONF, reg_val);
+ if (ret < 0)
+ goto out;
+
+ /*set enable register */
+ ret = lm3556_read_reg(client, REG_ENABLE, ®_val);
+ if (ret < 0)
+ goto out;
+ reg_val &= (~EX_PIN_ENABLE_MASK);
+ reg_val |= ((pdata->torch_pin_en & 0x01) << TORCH_PIN_EN_SHIFT);
+ reg_val |= ((pdata->strobe_pin_en & 0x01) << STROBE_PIN_EN_SHIFT);
+ reg_val |= ((pdata->tx_pin_en & 0x01) << TX_PIN_EN_SHIFT);
+ ret = lm3556_write_reg(client, REG_ENABLE, reg_val);
+
+out:
+ return ret;
+}
+
+/* chip control*/
+static int lm3556_control(struct lm3556_chip_data *chip,
+ u8 brightness, enum lm3556_mode opmode)
+{
+ int ret;
+ struct i2c_client *client = chip->client;
+ struct lm3556_platform_data *pdata = chip->pdata;
+
+ ret = lm3556_read_reg(client, REG_FLAG, &chip->last_flag);
+ if (ret < 0)
+ goto out;
+ if (chip->last_flag)
+ dev_info(&client->dev, "Last FLAG is 0x%x\n", chip->last_flag);
+
+ /*brightness 0 means off-state */
+ if (!brightness)
+ opmode = MODES_STASNDBY;
+
+ switch (opmode) {
+ case MODES_TORCH:
+ ret = lm3556_write_bits(client, REG_I_CTRL,
+ brightness - 1, TORCH_I_MASK,
+ TORCH_I_SHIFT);
+
+ if (pdata->torch_pin_en)
+ opmode |= (TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT);
+ break;
+
+ case MODES_FLASH:
+ ret = lm3556_write_bits(client, REG_I_CTRL,
+ brightness - 1, FLASH_I_MASK,
+ FLASH_I_SHIFT);
+ break;
+
+ case MODES_INDIC:
+ ret = lm3556_write_bits(client, REG_I_CTRL,
+ brightness - 1, TORCH_I_MASK,
+ TORCH_I_SHIFT);
+ break;
+
+ case MODES_STASNDBY:
+ if (pdata->torch_pin_en)
+ opmode |= (TORCH_PIN_EN_MASK << TORCH_PIN_EN_SHIFT);
+ break;
+
+ default:
+ return ret;
+ }
+ if (ret < 0)
+ goto out;
+ ret = lm3556_write_bits(client, REG_ENABLE,
+ opmode, MODE_BITS_MASK, MODE_BITS_SHIFT);
+out:
+ return ret;
+}
+
+/*torch */
+static void lm3556_torch_brightness_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct lm3556_chip_data *chip =
+ container_of(cdev, struct lm3556_chip_data, cdev_torch);
+
+ lm3556_control(chip, brightness, MODES_TORCH);
+ return;
+}
+
+/* flash */
+static void lm3556_strobe_brightness_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct lm3556_chip_data *chip =
+ container_of(cdev, struct lm3556_chip_data, cdev_flash);
+
+ lm3556_control(chip, brightness, MODES_FLASH);
+ return;
+}
+
+/* indicator */
+static void lm3556_indicator_brightness_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct lm3556_chip_data *chip =
+ container_of(cdev, struct lm3556_chip_data, cdev_indicator);
+
+ lm3556_control(chip, brightness, MODES_INDIC);
+ return;
+}
+
+static ssize_t lm3556_indicator_pattern_store(struct device *dev,
+ struct device_attribute *devAttr,
+ const char *buf, size_t size)
+{
+ ssize_t ret;
+ struct i2c_client *client = container_of(dev->parent,
+ struct i2c_client, dev);
+ unsigned int state;
+
+ ret = kstrtouint(buf, 10, &state);
+ if (ret)
+ goto out;
+ if (state > INDIC_PATTERN_SIZE - 1)
+ state = INDIC_PATTERN_SIZE - 1;
+
+ ret = lm3556_write_reg(client, REG_INDIC_BLINK,
+ indicator_pattern[state].blinking);
+ if (ret < 0)
+ goto out;
+ ret = lm3556_write_reg(client, REG_INDIC_PERIOD,
+ indicator_pattern[state].period_cnt);
+ if (ret < 0)
+ goto out;
+ return size;
+out:
+ dev_err(&client->dev, "pattern doesn't saved\n");
+ return size;
+}
+
+static DEVICE_ATTR(pattern, 0644, NULL, lm3556_indicator_pattern_store);
+
+/* Module Initialize */
+static int lm3556_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct lm3556_platform_data *pdata = client->dev.platform_data;
+ struct lm3556_chip_data *chip;
+
+ int err;
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "i2c functionality check fail.\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (pdata == NULL) {
+ dev_err(&client->dev, "Needs Platform Data.\n");
+ return -ENODATA;
+ }
+
+ chip =
+ devm_kzalloc(&client->dev, sizeof(struct lm3556_chip_data),
+ GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;
+
+ chip->client = client;
+ chip->pdata = pdata;
+
+ mutex_init(&chip->lock);
+ i2c_set_clientdata(client, chip);
+
+ err = lm3556_chip_init(chip);
+ if (err < 0)
+ goto err_chip_init;
+
+ /*flash */
+ chip->cdev_flash.name = "flash";
+ chip->cdev_flash.max_brightness = 16;
+ chip->cdev_flash.brightness_set = lm3556_strobe_brightness_set;
+ err = led_classdev_register((struct device *)
+ &client->dev, &chip->cdev_flash);
+ if (err < 0)
+ goto err_create_flash_file;
+ /*torch */
+ chip->cdev_torch.name = "torch";
+ chip->cdev_torch.max_brightness = 8;
+ chip->cdev_torch.brightness_set = lm3556_torch_brightness_set;
+ err = led_classdev_register((struct device *)
+ &client->dev, &chip->cdev_torch);
+ if (err < 0)
+ goto err_create_torch_file;
+ /*indicator */
+ chip->cdev_indicator.name = "indicator";
+ chip->cdev_indicator.max_brightness = 8;
+ chip->cdev_indicator.brightness_set = lm3556_indicator_brightness_set;
+ err = led_classdev_register((struct device *)
+ &client->dev, &chip->cdev_indicator);
+ if (err < 0)
+ goto err_create_indicator_file;
+
+ err = device_create_file(chip->cdev_indicator.dev, &dev_attr_pattern);
+ if (err < 0)
+ goto err_create_pattern_file;
+
+ return 0;
+
+err_create_pattern_file:
+ led_classdev_unregister(&chip->cdev_indicator);
+err_create_indicator_file:
+ led_classdev_unregister(&chip->cdev_torch);
+err_create_torch_file:
+ led_classdev_unregister(&chip->cdev_flash);
+err_create_flash_file:
+err_chip_init:
+ i2c_set_clientdata(client, NULL);
+ kfree(chip);
+ return err;
+}
+
+static int lm3556_remove(struct i2c_client *client)
+{
+ struct lm3556_chip_data *chip = i2c_get_clientdata(client);
+
+ device_remove_file(chip->cdev_indicator.dev, &dev_attr_pattern);
+ led_classdev_unregister(&chip->cdev_indicator);
+ led_classdev_unregister(&chip->cdev_torch);
+ led_classdev_unregister(&chip->cdev_flash);
+ lm3556_write_reg(client, REG_ENABLE, 0);
+
+ kfree(chip);
+ return 0;
+}
+
+static const struct i2c_device_id lm3556_id[] = {
+ {LM3556_NAME, 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, lm3556_id);
+
+static struct i2c_driver lm3556_i2c_driver = {
+ .driver = {
+ .name = LM3556_NAME,
+ .owner = THIS_MODULE,
+ .pm = NULL,
+ },
+ .probe = lm3556_probe,
+ .remove = __devexit_p(lm3556_remove),
+ .id_table = lm3556_id,
+};
+
+static int __init lm3556_init(void)
+{
+ return i2c_add_driver(&lm3556_i2c_driver);
+}
+
+static void __exit lm3556_exit(void)
+{
+ i2c_del_driver(&lm3556_i2c_driver);
+}
+
+module_init(lm3556_init);
+module_exit(lm3556_exit);
+
+MODULE_DESCRIPTION("Texas Instruments Flash Lighting driver for LM3556");
+MODULE_AUTHOR
+("Geon Si Jeong <daniel.jeong@ti.com>, Woogyom Kim <milo.kim@ti.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/leds-lm3556.h b/include/linux/leds-lm3556.h
new file mode 100644
index 0000000..115ee65
--- /dev/null
+++ b/include/linux/leds-lm3556.h
@@ -0,0 +1,242 @@
+/*
+ * Simple driver for Texas Instruments LM3556 LED Flash driver chip (Rev0x03)
+ * Copyright (C) 2012 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __LINUX_LM3556_H
+#define __LINUX_LM3556_H
+
+#define LM3556_NAME "leds-lm3556"
+
+enum lm3556_ivfm_filter_time {
+ IVFM_FILTER_TIME_HALF_CURRENT_STEP = 0,
+ IVFM_FILTER_TIME_256_USEC,
+ IVFM_FILTER_TIME_512_USEC,
+ IVFM_FILTER_TIME_1024_USEC
+};
+
+enum lm3556_ivfm_adj_mode {
+ IVFM_ADJ_MODE_REPORT = 0,
+ IVFM_ADJ_MODESTOP_HOLD,
+ IVFM_ADJ_MODE_DOWN,
+ IVFM_ADJ_MODE_UP_DOWN,
+};
+
+enum lm3556_ivfm_down_threshold {
+ IVFM_DN_TH_2_7_V = 0,
+ IVFM_DN_TH_2_8_V,
+ IVFM_DN_TH_2_9_V,
+ IVFM_DN_TH_3_0_V,
+ IVFM_DN_TH_3_1_V,
+ IVFM_DN_TH_3_2_V,
+ IVFM_DN_TH_3_3_V,
+ IVFM_DN_TH_3_4_V,
+};
+
+enum lm3556_ivfm_hyst {
+ IVFM_HYST_50_MV = 0,
+ IVFM_HYST_100_MV,
+ IVFM_HYST_150_MV,
+ IVFM_HYST_DIS
+};
+
+enum lm3556_ntc_curr_lvl {
+ NTC_CURR_LVL_25_UA = 0,
+ NTC_CURR_LVL_50_UA,
+ NTC_CURR_LVL_75_UA,
+ NTC_CURR_LVL_100_UA
+};
+
+enum lm3556_ntc_trip_threshold {
+ NTC_TRIP_THRESHOLD_200_MV = 0,
+ NTC_TRIP_THRESHOLD_300_MV,
+ NTC_TRIP_THRESHOLD_400_MV,
+ NTC_TRIP_THRESHOLD_500_MV,
+ NTC_TRIP_THRESHOLD_600_MV,
+ NTC_TRIP_THRESHOLD_700_MV,
+ NTC_TRIP_THRESHOLD_800_MV,
+ NTC_TRIP_THRESHOLD_900_MV
+};
+
+enum lm3556_ntc_event_lvl {
+ NTC_EVENT_LVL_STANDBY = 0,
+ NTC_EVENT_LVL_REDUCE_MIN_TORCH
+};
+
+enum lm3556_torch_indic_ramp_time {
+ TORCH_INDIC_RAMP_TIME_16_MS = 0,
+ TORCH_INDIC_RAMP_TIME_32_MS,
+ TORCH_INDIC_RAMP_TIME_64_MS,
+ TORCH_INDIC_RAMP_TIME_128_MS,
+ TORCH_INDIC_RAMP_TIME_256_MS,
+ TORCH_INDIC_RAMP_TIME_512_MS,
+ TORCH_INDIC_RAMP_TIME_1024_MS,
+ TORCH_INDIC_RAMP_TIME_2048_MS,
+};
+
+enum lm3556_indic_pulse_time {
+ PULSE_TIME_0_MS = 0,
+ PULSE_TIME_32_MS,
+ PULSE_TIME_64_MS,
+ PULSE_TIME_92_MS,
+ PULSE_TIME_128_MS,
+ PULSE_TIME_160_MS,
+ PULSE_TIME_196_MS,
+ PULSE_TIME_224_MS,
+ PULSE_TIME_256_MS,
+ PULSE_TIME_288_MS,
+ PULSE_TIME_320_MS,
+ PULSE_TIME_352_MS,
+ PULSE_TIME_384_MS,
+ PULSE_TIME_416_MS,
+ PULSE_TIME_448_MS,
+ PULSE_TIME_480_MS,
+};
+
+enum lm3556_indic_n_blank {
+ INDIC_N_BLANK_0 = 0,
+ INDIC_N_BLANK_1,
+ INDIC_N_BLANK_2,
+ INDIC_N_BLANK_3,
+ INDIC_N_BLANK_4,
+ INDIC_N_BLANK_5,
+ INDIC_N_BLANK_6,
+ INDIC_N_BLANK_7,
+ INDIC_N_BLANK_8,
+ INDIC_N_BLANK_9,
+ INDIC_N_BLANK_10,
+ INDIC_N_BLANK_11,
+ INDIC_N_BLANK_12,
+ INDIC_N_BLANK_13,
+ INDIC_N_BLANK_14,
+ INDIC_N_BLANK_15,
+};
+
+enum lm3556_indic_period {
+ INDIC_PERIOD_0 = 0,
+ INDIC_PERIOD_1,
+ INDIC_PERIOD_2,
+ INDIC_PERIOD_3,
+ INDIC_PERIOD_4,
+ INDIC_PERIOD_5,
+ INDIC_PERIOD_6,
+ INDIC_PERIOD_7,
+};
+
+enum lm3556_indic_mode {
+ INDIC_MODE_INTERNAL = 0,
+ INDIC_MODE_EXTERNAL,
+};
+
+enum lm3556_flash_timeout {
+ FLASH_TIMEOUT_50_MS = 0,
+ FLASH_TIMEOUT_100_MS,
+ FLASH_TIMEOUT_150_MS,
+ FLASH_TIMEOUT_200_MS,
+ FLASH_TIMEOUT_250_MS,
+ FLASH_TIMEOUT_300_MS,
+ FLASH_TIMEOUT_350_MS,
+ FLASH_TIMEOUT_400_MS,
+};
+
+enum lm3556_flash_ramp_time {
+ FLASH_RAMP_TIME_256_US = 0,
+ FLASH_RAMP_TIME_512_US,
+ FLASH_RAMP_TIME_1024_US,
+ FLASH_RAMP_TIME_2048_US,
+ FLASH_RAMP_TIME_4096_US,
+ FLASH_RAMP_TIME_8192_US,
+ FLASH_RAMP_TIME_16384_US,
+ FLASH_RAMP_TIME_32768_US,
+};
+
+enum lm3556_inductor_current_limit {
+ INDIC_I_LIMIT_1500_MA = 0,
+ INDIC_I_LIMIT_2000_MA,
+ INDIC_I_LIMIT_2500_MA,
+ INDIC_I_LIMIT_3000_MA
+};
+
+enum lm3556_flash_current {
+ FLASH_I_93750_UA = 0,
+ FLASH_I_187500_UA,
+ FLASH_I_281250_UA,
+ FLASH_I_375000_UA,
+ FLASH_I_468750_UA,
+ FLASH_I_562500_UA,
+ FLASH_I_656250_UA,
+ FLASH_I_750000_UA,
+ FLASH_I_843750_UA,
+ FLASH_I_937500_UA,
+ FLASH_I_1031250_UA,
+ FLASH_I_1125000_UA,
+ FLASH_I_1218750_UA,
+ FLASH_I_1312500_UA,
+ FLASH_I_1406250_UA,
+ FLASH_I_1500000_UA,
+
+};
+
+enum lm3556_torch_current {
+ TORCH_I_46880_UA = 0,
+ TORCH_I_93750_UA,
+ TORCH_I_1406300_UA,
+ TORCH_I_187500_UA,
+ TORCH_I_234380_UA,
+ TORCH_I_281250_UA,
+ TORCH_I_328130_UA,
+ TORCH_I_375000_UA,
+};
+
+enum lm3556_mode {
+ MODES_STASNDBY = 0,
+ MODES_INDIC,
+ MODES_TORCH,
+ MODES_FLASH
+};
+
+enum lm3556_pass_mode {
+ PASS_MODE_NORMAL = 0,
+ PASS_MODE_PASS_ONLY
+};
+
+enum lm3556_prechg_mode {
+ PRE_CHARGE_MODE_NORMAL = 0,
+ PRE_CHARGE_MODE_PRE_CHARGE
+};
+
+enum lm3556_pin_polarity {
+ PIN_LOW_ACTIVE = 0,
+ PIN_HIGH_ACTIVE,
+};
+
+enum lm3556_pin_enable {
+ PIN_DISABLED = 0,
+ PIN_ENABLED,
+};
+
+enum lm3556_strobe_usuage {
+ STROBE_EDGE_DETECT = 0,
+ STROBE_LEVEL_DETECT,
+};
+
+struct lm3556_platform_data {
+ enum lm3556_pin_enable torch_pin_en;
+ enum lm3556_pin_polarity torch_pin_polarity;
+
+ enum lm3556_strobe_usuage strobe_usuage;
+ enum lm3556_pin_enable strobe_pin_en;
+ enum lm3556_pin_polarity strobe_pin_polarity;
+
+ enum lm3556_pin_enable tx_pin_en;
+ enum lm3556_pin_polarity tx_pin_polarity;
+
+ enum lm3556_indic_mode indicator_mode;
+};
+
+#endif /* __LINUX_LM3556_H */
--
1.7.5.4
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