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-rw-r--r--drivers/leds/Kconfig16
-rw-r--r--drivers/leds/Makefile1
-rw-r--r--drivers/leds/leds-lp5569.c544
3 files changed, 558 insertions, 3 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 474c51ad361d..8d9d8da376e4 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -429,7 +429,7 @@ config LEDS_LP50XX
module will be called leds-lp50xx.
config LEDS_LP55XX_COMMON
- tristate "Common Driver for TI/National LP5521/5523/55231/5562/8501"
+ tristate "Common Driver for TI/National LP5521/5523/55231/5562/5569/8501"
depends on LEDS_CLASS
depends on LEDS_CLASS_MULTICOLOR
depends on OF
@@ -437,8 +437,8 @@ config LEDS_LP55XX_COMMON
select FW_LOADER
select FW_LOADER_USER_HELPER
help
- This option supports common operations for LP5521/5523/55231/5562/8501
- devices.
+ This option supports common operations for LP5521/5523/55231/5562/5569/
+ 8501 devices.
config LEDS_LP5521
tristate "LED Support for N.S. LP5521 LED driver chip"
@@ -471,6 +471,16 @@ config LEDS_LP5562
Driver provides direct control via LED class and interface for
programming the engines.
+config LEDS_LP5569
+ tristate "LED Support for TI LP5569 LED driver chip"
+ depends on LEDS_CLASS && I2C
+ depends on LEDS_LP55XX_COMMON
+ help
+ If you say yes here you get support for TI LP5569 LED driver.
+ It is 9 channels chip with programmable engines.
+ Driver provides direct control via LED class and interface for
+ programming the engines.
+
config LEDS_LP8501
tristate "LED Support for TI LP8501 LED driver chip"
depends on LEDS_CLASS && I2C
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 3491904e13f7..18afbb5a23ee 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -52,6 +52,7 @@ obj-$(CONFIG_LEDS_LP50XX) += leds-lp50xx.o
obj-$(CONFIG_LEDS_LP5521) += leds-lp5521.o
obj-$(CONFIG_LEDS_LP5523) += leds-lp5523.o
obj-$(CONFIG_LEDS_LP5562) += leds-lp5562.o
+obj-$(CONFIG_LEDS_LP5569) += leds-lp5569.o
obj-$(CONFIG_LEDS_LP55XX_COMMON) += leds-lp55xx-common.o
obj-$(CONFIG_LEDS_LP8501) += leds-lp8501.o
obj-$(CONFIG_LEDS_LP8788) += leds-lp8788.o
diff --git a/drivers/leds/leds-lp5569.c b/drivers/leds/leds-lp5569.c
new file mode 100644
index 000000000000..7ccd8dd6026a
--- /dev/null
+++ b/drivers/leds/leds-lp5569.c
@@ -0,0 +1,544 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2024 Christian Marangi <ansuelsmth@gmail.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/platform_data/leds-lp55xx.h>
+#include <linux/slab.h>
+#include <dt-bindings/leds/leds-lp55xx.h>
+
+#include "leds-lp55xx-common.h"
+
+#define LP5569_MAX_LEDS 9
+
+/* Memory is used like this:
+ * 0x00 engine 1 program (4 pages)
+ * 0x40 engine 2 program (4 pages)
+ * 0x80 engine 3 program (4 pages)
+ * 0xc0 engine 1 muxing info (1 page)
+ * 0xd0 engine 2 muxing info (1 page)
+ * 0xe0 engine 3 muxing info (1 page)
+ */
+#define LP5569_PAGES_PER_ENGINE 4
+
+#define LP5569_REG_ENABLE 0x00
+#define LP5569_ENABLE BIT(6)
+
+#define LP5569_REG_EXEC_CTRL 0x01
+#define LP5569_MODE_ENG_SHIFT 2
+
+#define LP5569_REG_OP_MODE 0x02
+#define LP5569_EXEC_ENG_SHIFT 2
+
+#define LP5569_REG_ENABLE_LEDS_MSB 0x04
+#define LP5569_REG_ENABLE_LEDS_LSB 0x05
+#define LP5569_REG_LED_CTRL_BASE 0x07
+#define LP5569_FADER_MAPPING_MASK GENMASK(7, 5)
+#define LP5569_REG_LED_PWM_BASE 0x16
+#define LP5569_REG_LED_CURRENT_BASE 0x22
+#define LP5569_REG_MISC 0x2F
+#define LP5569_AUTO_INC BIT(6)
+#define LP5569_PWR_SAVE BIT(5)
+#define LP5569_CP_MODE_MASK GENMASK(4, 3)
+#define LP5569_PWM_PWR_SAVE BIT(2)
+#define LP5569_INTERNAL_CLK BIT(0)
+#define LP5569_REG_MISC2 0x33
+#define LP5569_LED_SHORT_TEST BIT(4)
+#define LP5569_LED_OPEN_TEST BIT(3)
+#define LP5569_REG_STATUS 0x3C
+#define LP5569_MASK_BUSY BIT(7)
+#define LP5569_STARTUP_BUSY BIT(6)
+#define LP5569_ENGINE_BUSY BIT(5)
+#define LP5569_ENGINE1_INT BIT(2)
+#define LP5569_ENGINE2_INT BIT(1)
+#define LP5569_ENGINE3_INT BIT(0)
+#define LP5569_ENG_STATUS_MASK (LP5569_ENGINE1_INT | LP5569_ENGINE2_INT | \
+ LP5569_ENGINE3_INT)
+#define LP5569_REG_IO_CONTROL 0x3D
+#define LP5569_CLK_OUTPUT BIT(3)
+#define LP5569_REG_RESET 0x3F
+#define LP5569_RESET 0xFF
+#define LP5569_REG_MASTER_FADER_BASE 0x46
+#define LP5569_REG_CH1_PROG_START 0x4B
+#define LP5569_REG_CH2_PROG_START 0x4C
+#define LP5569_REG_CH3_PROG_START 0x4D
+#define LP5569_REG_PROG_PAGE_SEL 0x4F
+#define LP5569_REG_PROG_MEM 0x50
+#define LP5569_REG_LED_FAULT1 0x81
+#define LP5569_LED_FAULT8 BIT(0)
+#define LP5569_REG_LED_FAULT2 0x82
+#define LP5569_LED_FAULT7 BIT(7)
+#define LP5569_LED_FAULT6 BIT(6)
+#define LP5569_LED_FAULT5 BIT(5)
+#define LP5569_LED_FAULT4 BIT(4)
+#define LP5569_LED_FAULT3 BIT(3)
+#define LP5569_LED_FAULT2 BIT(2)
+#define LP5569_LED_FAULT1 BIT(1)
+#define LP5569_LED_FAULT0 BIT(0)
+
+#define LP5569_ENG1_PROG_ADDR 0x0
+#define LP5569_ENG2_PROG_ADDR 0x40
+#define LP5569_ENG3_PROG_ADDR 0x80
+#define LP5569_ENG1_MUX_ADDR 0xc0
+#define LP5569_ENG2_MUX_ADDR 0xd0
+#define LP5569_ENG3_MUX_ADDR 0xe0
+
+#define LEDn_STATUS_FAULT(n, status) ((status) >> (n) & BIT(0))
+
+#define LP5569_DEFAULT_CONFIG \
+ (LP5569_AUTO_INC | LP5569_PWR_SAVE | LP5569_PWM_PWR_SAVE)
+
+static void lp5569_run_engine(struct lp55xx_chip *chip, bool start)
+{
+ if (!start) {
+ lp55xx_stop_engine(chip);
+ lp55xx_turn_off_channels(chip);
+ return;
+ }
+
+ lp55xx_run_engine_common(chip);
+}
+
+static int lp5569_init_program_engine(struct lp55xx_chip *chip)
+{
+ int i;
+ int j;
+ int ret;
+ u8 status;
+ /* Precompiled pattern per ENGINE setting LED MUX start and stop addresses */
+ static const u8 pattern[][LP55xx_BYTES_PER_PAGE] = {
+ { 0x9c, LP5569_ENG1_MUX_ADDR, 0x9c, 0xb0, 0x9d, 0x80, 0xd8, 0x00, 0},
+ { 0x9c, LP5569_ENG2_MUX_ADDR, 0x9c, 0xc0, 0x9d, 0x80, 0xd8, 0x00, 0},
+ { 0x9c, LP5569_ENG3_MUX_ADDR, 0x9c, 0xd0, 0x9d, 0x80, 0xd8, 0x00, 0},
+ };
+
+ /* Setup each ENGINE program start address */
+ ret = lp55xx_write(chip, LP5569_REG_CH1_PROG_START, LP5569_ENG1_PROG_ADDR);
+ if (ret)
+ return ret;
+
+ ret = lp55xx_write(chip, LP5569_REG_CH2_PROG_START, LP5569_ENG2_PROG_ADDR);
+ if (ret)
+ return ret;
+
+ ret = lp55xx_write(chip, LP5569_REG_CH3_PROG_START, LP5569_ENG3_PROG_ADDR);
+ if (ret)
+ return ret;
+
+ /* Write precompiled pattern for LED MUX address space for each ENGINE */
+ for (i = LP55XX_ENGINE_1; i <= LP55XX_ENGINE_3; i++) {
+ chip->engine_idx = i;
+ lp55xx_load_engine(chip);
+
+ for (j = 0; j < LP55xx_BYTES_PER_PAGE; j++) {
+ ret = lp55xx_write(chip, LP5569_REG_PROG_MEM + j,
+ pattern[i - 1][j]);
+ if (ret)
+ goto out;
+ }
+ }
+
+ lp5569_run_engine(chip, true);
+
+ /* Let the programs run for couple of ms and check the engine status */
+ usleep_range(3000, 6000);
+ lp55xx_read(chip, LP5569_REG_STATUS, &status);
+ status = FIELD_GET(LP5569_ENG_STATUS_MASK, status);
+
+ if (status != LP5569_ENG_STATUS_MASK) {
+ dev_err(&chip->cl->dev,
+ "could not configure LED engine, status = 0x%.2x\n",
+ status);
+ ret = -EINVAL;
+ }
+
+out:
+ lp55xx_stop_all_engine(chip);
+ return ret;
+}
+
+static int lp5569_post_init_device(struct lp55xx_chip *chip)
+{
+ int ret;
+ int val;
+
+ ret = lp55xx_write(chip, LP5569_REG_ENABLE, LP5569_ENABLE);
+ if (ret)
+ return ret;
+
+ /* Chip startup time is 500 us, 1 - 2 ms gives some margin */
+ usleep_range(1000, 2000);
+
+ val = LP5569_DEFAULT_CONFIG;
+ val |= FIELD_PREP(LP5569_CP_MODE_MASK, chip->pdata->charge_pump_mode);
+
+ if (chip->pdata->clock_mode == LP55XX_CLOCK_INT) {
+ ret = lp55xx_update_bits(chip, LP5569_REG_IO_CONTROL,
+ LP5569_CLK_OUTPUT,
+ LP5569_CLK_OUTPUT);
+ if (ret)
+ return ret;
+
+ val |= LP5569_INTERNAL_CLK;
+ }
+
+ ret = lp55xx_write(chip, LP5569_REG_MISC, val);
+ if (ret)
+ return ret;
+
+ return lp5569_init_program_engine(chip);
+}
+
+static ssize_t lp5569_led_open_test(struct lp55xx_led *led, char *buf)
+{
+ struct lp55xx_chip *chip = led->chip;
+ struct lp55xx_platform_data *pdata = chip->pdata;
+ bool leds_fault[LP5569_MAX_LEDS];
+ struct lp55xx_led *led_tmp = led;
+ int i, ret, pos = 0;
+ u8 status;
+
+ /* Set in STANDBY state */
+ ret = lp55xx_write(chip, LP5569_REG_ENABLE, 0);
+ if (ret)
+ goto exit;
+
+ /* Wait 1ms for device to enter STANDBY state */
+ usleep_range(1000, 2000);
+
+ /* Set Charge Pump to 1.5x */
+ ret = lp55xx_update_bits(chip, LP5569_REG_MISC,
+ FIELD_PREP(LP5569_CP_MODE_MASK, LP55XX_CP_BOOST),
+ LP5569_CP_MODE_MASK);
+ if (ret)
+ goto exit;
+
+ /* Enable LED Open Test */
+ ret = lp55xx_update_bits(chip, LP5569_REG_MISC2, LP5569_LED_OPEN_TEST,
+ LP5569_LED_OPEN_TEST);
+ if (ret)
+ goto exit;
+
+ /* Put Device in NORMAL state */
+ ret = lp55xx_write(chip, LP5569_REG_ENABLE, LP5569_ENABLE);
+ if (ret)
+ goto exit;
+
+ /* Wait 500 us for device to enter NORMAL state */
+ usleep_range(500, 750);
+
+ /* Enable LED and set to 100% brightness */
+ for (i = 0; i < pdata->num_channels; i++) {
+ ret = lp55xx_write(chip, LP5569_REG_LED_PWM_BASE + led_tmp->chan_nr,
+ LED_FULL);
+ if (ret)
+ goto exit;
+
+ led_tmp++;
+ }
+
+ /* Wait 500 us for device to fill status regs */
+ usleep_range(500, 750);
+
+ /* Parse status led fault 1 regs */
+ ret = lp55xx_read(chip, LP5569_REG_LED_FAULT1, &status);
+ if (ret < 0)
+ goto exit;
+
+ for (i = 0; i < 8; i++)
+ leds_fault[i] = !!((status >> i) & 0x1);
+
+ /* Parse status led fault 2 regs */
+ ret = lp55xx_read(chip, LP5569_REG_LED_FAULT2, &status);
+ if (ret < 0)
+ goto exit;
+
+ for (i = 0; i < 1; i++)
+ leds_fault[i + 8] = !!((status >> i) & 0x1);
+
+ /* Report LED fault */
+ led_tmp = led;
+ for (i = 0; i < pdata->num_channels; i++) {
+ if (leds_fault[led_tmp->chan_nr])
+ pos += sprintf(buf + pos, "LED %d OPEN FAIL\n",
+ led_tmp->chan_nr);
+
+ led_tmp++;
+ }
+
+ ret = pos;
+
+exit:
+ /* Disable LED Open Test */
+ lp55xx_update_bits(chip, LP5569_REG_MISC2, LP5569_LED_OPEN_TEST, 0);
+
+ led_tmp = led;
+ for (i = 0; i < pdata->num_channels; i++) {
+ lp55xx_write(chip, LP5569_REG_LED_PWM_BASE + led_tmp->chan_nr, 0);
+
+ led_tmp++;
+ }
+
+ return ret;
+}
+
+static ssize_t lp5569_led_short_test(struct lp55xx_led *led, char *buf)
+{
+ struct lp55xx_chip *chip = led->chip;
+ struct lp55xx_platform_data *pdata = chip->pdata;
+ bool leds_fault[LP5569_MAX_LEDS];
+ struct lp55xx_led *led_tmp = led;
+ int i, ret, pos = 0;
+ u8 status;
+
+ /* Set in STANDBY state */
+ ret = lp55xx_write(chip, LP5569_REG_ENABLE, 0);
+ if (ret)
+ goto exit;
+
+ /* Wait 1ms for device to enter STANDBY state */
+ usleep_range(1000, 2000);
+
+ /* Set Charge Pump to 1x */
+ ret = lp55xx_update_bits(chip, LP5569_REG_MISC,
+ FIELD_PREP(LP5569_CP_MODE_MASK, LP55XX_CP_BYPASS),
+ LP5569_CP_MODE_MASK);
+ if (ret)
+ goto exit;
+
+ /* Enable LED and set to 100% brightness and current to 100% (25.5mA) */
+ for (i = 0; i < pdata->num_channels; i++) {
+ ret = lp55xx_write(chip, LP5569_REG_LED_PWM_BASE + led_tmp->chan_nr,
+ LED_FULL);
+ if (ret)
+ goto exit;
+
+ ret = lp55xx_write(chip, LP5569_REG_LED_CURRENT_BASE + led_tmp->chan_nr,
+ LED_FULL);
+ if (ret)
+ goto exit;
+
+ led_tmp++;
+ }
+
+ /* Put Device in NORMAL state */
+ ret = lp55xx_write(chip, LP5569_REG_ENABLE, LP5569_ENABLE);
+ if (ret)
+ goto exit;
+
+ /* Wait 500 us for device to enter NORMAL state */
+ usleep_range(500, 750);
+
+ /* Enable LED Shorted Test */
+ ret = lp55xx_update_bits(chip, LP5569_REG_MISC2, LP5569_LED_OPEN_TEST,
+ LP5569_LED_SHORT_TEST);
+ if (ret)
+ goto exit;
+
+ /* Wait 500 us for device to fill status regs */
+ usleep_range(500, 750);
+
+ /* Parse status led fault 1 regs */
+ ret = lp55xx_read(chip, LP5569_REG_LED_FAULT1, &status);
+ if (ret < 0)
+ goto exit;
+
+ for (i = 0; i < 8; i++)
+ leds_fault[i] = !!LEDn_STATUS_FAULT(i, status);
+
+ /* Parse status led fault 2 regs */
+ ret = lp55xx_read(chip, LP5569_REG_LED_FAULT2, &status);
+ if (ret < 0)
+ goto exit;
+
+ for (i = 0; i < 1; i++)
+ leds_fault[i + 8] = !!LEDn_STATUS_FAULT(i, status);
+
+ /* Report LED fault */
+ led_tmp = led;
+ for (i = 0; i < pdata->num_channels; i++) {
+ if (leds_fault[led_tmp->chan_nr])
+ pos += sprintf(buf + pos, "LED %d SHORTED FAIL\n",
+ led_tmp->chan_nr);
+
+ led_tmp++;
+ }
+
+ ret = pos;
+
+exit:
+ /* Disable LED Shorted Test */
+ lp55xx_update_bits(chip, LP5569_REG_MISC2, LP5569_LED_SHORT_TEST, 0);
+
+ led_tmp = led;
+ for (i = 0; i < pdata->num_channels; i++) {
+ lp55xx_write(chip, LP5569_REG_LED_PWM_BASE + led_tmp->chan_nr, 0);
+
+ led_tmp++;
+ }
+
+ return ret;
+}
+
+static ssize_t lp5569_selftest(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct lp55xx_led *led = i2c_get_clientdata(to_i2c_client(dev));
+ struct lp55xx_chip *chip = led->chip;
+ int i, pos = 0;
+
+ mutex_lock(&chip->lock);
+
+ /* Test LED Open */
+ pos = lp5569_led_open_test(led, buf);
+ if (pos < 0)
+ goto fail;
+
+ /* Test LED Shorted */
+ pos = lp5569_led_short_test(led, buf);
+ if (pos < 0)
+ goto fail;
+
+ for (i = 0; i < chip->pdata->num_channels; i++) {
+ /* Restore current */
+ lp55xx_write(chip, LP5569_REG_LED_CURRENT_BASE + led->chan_nr,
+ led->led_current);
+
+ /* Restore brightness */
+ lp55xx_write(chip, LP5569_REG_LED_PWM_BASE + led->chan_nr,
+ led->brightness);
+ led++;
+ }
+
+ if (pos == 0)
+ pos = sprintf(buf, "OK\n");
+ goto release_lock;
+fail:
+ pos = sprintf(buf, "FAIL\n");
+
+release_lock:
+ mutex_unlock(&chip->lock);
+
+ return pos;
+}
+
+LP55XX_DEV_ATTR_ENGINE_MODE(1);
+LP55XX_DEV_ATTR_ENGINE_MODE(2);
+LP55XX_DEV_ATTR_ENGINE_MODE(3);
+LP55XX_DEV_ATTR_ENGINE_LEDS(1);
+LP55XX_DEV_ATTR_ENGINE_LEDS(2);
+LP55XX_DEV_ATTR_ENGINE_LEDS(3);
+LP55XX_DEV_ATTR_ENGINE_LOAD(1);
+LP55XX_DEV_ATTR_ENGINE_LOAD(2);
+LP55XX_DEV_ATTR_ENGINE_LOAD(3);
+static LP55XX_DEV_ATTR_RO(selftest, lp5569_selftest);
+LP55XX_DEV_ATTR_MASTER_FADER(1);
+LP55XX_DEV_ATTR_MASTER_FADER(2);
+LP55XX_DEV_ATTR_MASTER_FADER(3);
+static LP55XX_DEV_ATTR_RW(master_fader_leds, lp55xx_show_master_fader_leds,
+ lp55xx_store_master_fader_leds);
+
+static struct attribute *lp5569_attributes[] = {
+ &dev_attr_engine1_mode.attr,
+ &dev_attr_engine2_mode.attr,
+ &dev_attr_engine3_mode.attr,
+ &dev_attr_engine1_load.attr,
+ &dev_attr_engine2_load.attr,
+ &dev_attr_engine3_load.attr,
+ &dev_attr_engine1_leds.attr,
+ &dev_attr_engine2_leds.attr,
+ &dev_attr_engine3_leds.attr,
+ &dev_attr_selftest.attr,
+ &dev_attr_master_fader1.attr,
+ &dev_attr_master_fader2.attr,
+ &dev_attr_master_fader3.attr,
+ &dev_attr_master_fader_leds.attr,
+ NULL,
+};
+
+static const struct attribute_group lp5569_group = {
+ .attrs = lp5569_attributes,
+};
+
+/* Chip specific configurations */
+static struct lp55xx_device_config lp5569_cfg = {
+ .reg_op_mode = {
+ .addr = LP5569_REG_OP_MODE,
+ .shift = LP5569_MODE_ENG_SHIFT,
+ },
+ .reg_exec = {
+ .addr = LP5569_REG_EXEC_CTRL,
+ .shift = LP5569_EXEC_ENG_SHIFT,
+ },
+ .reset = {
+ .addr = LP5569_REG_RESET,
+ .val = LP5569_RESET,
+ },
+ .enable = {
+ .addr = LP5569_REG_ENABLE,
+ .val = LP5569_ENABLE,
+ },
+ .prog_mem_base = {
+ .addr = LP5569_REG_PROG_MEM,
+ },
+ .reg_led_pwm_base = {
+ .addr = LP5569_REG_LED_PWM_BASE,
+ },
+ .reg_led_current_base = {
+ .addr = LP5569_REG_LED_CURRENT_BASE,
+ },
+ .reg_master_fader_base = {
+ .addr = LP5569_REG_MASTER_FADER_BASE,
+ },
+ .reg_led_ctrl_base = {
+ .addr = LP5569_REG_LED_CTRL_BASE,
+ },
+ .pages_per_engine = LP5569_PAGES_PER_ENGINE,
+ .max_channel = LP5569_MAX_LEDS,
+ .post_init_device = lp5569_post_init_device,
+ .brightness_fn = lp55xx_led_brightness,
+ .multicolor_brightness_fn = lp55xx_multicolor_brightness,
+ .set_led_current = lp55xx_set_led_current,
+ .firmware_cb = lp55xx_firmware_loaded_cb,
+ .run_engine = lp5569_run_engine,
+ .dev_attr_group = &lp5569_group,
+};
+
+static const struct i2c_device_id lp5569_id[] = {
+ { "lp5569", .driver_data = (kernel_ulong_t)&lp5569_cfg, },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, lp5569_id);
+
+static const struct of_device_id of_lp5569_leds_match[] = {
+ { .compatible = "ti,lp5569", .data = &lp5569_cfg, },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_lp5569_leds_match);
+
+static struct i2c_driver lp5569_driver = {
+ .driver = {
+ .name = "lp5569x",
+ .of_match_table = of_lp5569_leds_match,
+ },
+ .probe = lp55xx_probe,
+ .remove = lp55xx_remove,
+ .id_table = lp5569_id,
+};
+
+module_i2c_driver(lp5569_driver);
+
+MODULE_AUTHOR("Christian Marangi <ansuelsmth@gmail.com>");
+MODULE_DESCRIPTION("LP5569 LED engine");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 10:02:28 +0100