CONFIG_LEDS_TRIGGER_TIMER=y
# CONFIG_LEDS_TRIGGER_TRANSIENT is not set
# CONFIG_LEDS_TURRIS_OMNIA is not set
+# CONFIG_LEDS_UBNT_LEDBAR is not set
# CONFIG_LEDS_USER is not set
# CONFIG_LED_TRIGGER_PHY is not set
# CONFIG_LEGACY_PTYS is not set
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
+
+/**
+ * Driver for the Ubiquiti RGB LED controller (LEDBAR).
+ * This Controller is based on a Holtek HT32F52241 and connected
+ * via I2C.
+ *
+ * - The Controller needs an enable signal set to high when
+ * performing a transaction. On the U6-LR, this is located
+ * at Pin 18 (R6902)
+ *
+ * - The Pin is also printed when calling the "usetled" function
+ * contained in the ubntapp bootloader application.
+ */
+
+#define UBNT_LEDBAR_MAX_BRIGHTNESS 0xff
+
+#define UBNT_LEDBAR_TRANSACTION_LENGTH 8
+#define UBNT_LEDBAR_TRANSACTION_SUCCESS (char) 0xaa
+
+#define UBNT_LEDBAR_TRANSACTION_BLUE_IDX 2
+#define UBNT_LEDBAR_TRANSACTION_GREEN_IDX 3
+#define UBNT_LEDBAR_TRANSACTION_RED_IDX 4
+#define UBNT_LEDBAR_TRANSACTION_LED_COUNT_IDX 6
+
+struct ubnt_ledbar {
+ struct mutex lock;
+ u32 led_count;
+ struct i2c_client *client;
+ struct led_classdev led_red;
+ struct led_classdev led_green;
+ struct led_classdev led_blue;
+ struct gpio_desc *enable_gpio;
+ struct gpio_desc *reset_gpio;
+};
+
+static void ubnt_ledbar_perform_transaction(struct ubnt_ledbar *ledbar,
+ const char *transaction, int len,
+ char *result, int result_len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ i2c_smbus_write_byte(ledbar->client, transaction[i]);
+
+ for (i = 0; i < result_len; i++)
+ result[i] = i2c_smbus_read_byte(ledbar->client);
+}
+
+static int ubnt_ledbar_apply_state(struct ubnt_ledbar *ledbar)
+{
+ char setup_msg[UBNT_LEDBAR_TRANSACTION_LENGTH] = {0x40, 0x10, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x11};
+ char led_msg[UBNT_LEDBAR_TRANSACTION_LENGTH] = {0x40, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00};
+ char i2c_response;
+ int ret = 0;
+
+ mutex_lock(&ledbar->lock);
+
+ led_msg[UBNT_LEDBAR_TRANSACTION_BLUE_IDX] = ledbar->led_blue.brightness;
+ led_msg[UBNT_LEDBAR_TRANSACTION_GREEN_IDX] = ledbar->led_green.brightness;
+ led_msg[UBNT_LEDBAR_TRANSACTION_RED_IDX] = ledbar->led_red.brightness;
+ led_msg[UBNT_LEDBAR_TRANSACTION_LED_COUNT_IDX] = ledbar->led_count;
+
+ gpiod_set_value(ledbar->enable_gpio, 1);
+
+ msleep(10);
+
+ ubnt_ledbar_perform_transaction(ledbar, setup_msg, sizeof(setup_msg), &i2c_response, sizeof(i2c_response));
+ if (i2c_response != UBNT_LEDBAR_TRANSACTION_SUCCESS) {
+ dev_err(&ledbar->client->dev, "Error initializing LED transaction: %02hhx\n", i2c_response);
+ ret = -EINVAL;
+ goto out_gpio;
+ }
+
+ ubnt_ledbar_perform_transaction(ledbar, led_msg, sizeof(led_msg), &i2c_response, sizeof(i2c_response));
+ if (i2c_response != UBNT_LEDBAR_TRANSACTION_SUCCESS) {
+ dev_err(&ledbar->client->dev, "Failed LED transaction: %02hhx\n", i2c_response);
+ ret = -EINVAL;
+ goto out_gpio;
+ }
+
+ msleep(10);
+out_gpio:
+ gpiod_set_value(ledbar->enable_gpio, 0);
+
+ mutex_unlock(&ledbar->lock);
+
+ return ret;
+}
+
+static void ubnt_ledbar_reset(struct ubnt_ledbar *ledbar)
+{
+ static const char init_msg[16] = {0x02, 0x81, 0xfd, 0x7e,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00};
+ char init_response[4];
+
+ if (!ledbar->reset_gpio)
+ return;
+
+ mutex_lock(&ledbar->lock);
+
+ gpiod_set_value(ledbar->reset_gpio, 1);
+ msleep(10);
+ gpiod_set_value(ledbar->reset_gpio, 0);
+
+ msleep(10);
+
+ gpiod_set_value(ledbar->enable_gpio, 1);
+ msleep(10);
+ ubnt_ledbar_perform_transaction(ledbar, init_msg, sizeof(init_msg), init_response, sizeof(init_response));
+ msleep(10);
+ gpiod_set_value(ledbar->enable_gpio, 0);
+
+ mutex_unlock(&ledbar->lock);
+}
+
+#define UBNT_LEDBAR_CONTROL_RGBS(name) \
+static int ubnt_ledbar_set_##name##_brightness(struct led_classdev *led_cdev,\
+ enum led_brightness value) \
+{ \
+ struct ubnt_ledbar *ledbar = \
+ container_of(led_cdev, struct ubnt_ledbar, led_##name); \
+ int ret; \
+ led_cdev->brightness = value; \
+ ret = ubnt_ledbar_apply_state(ledbar); \
+ return ret; \
+}
+
+UBNT_LEDBAR_CONTROL_RGBS(red);
+UBNT_LEDBAR_CONTROL_RGBS(green);
+UBNT_LEDBAR_CONTROL_RGBS(blue);
+
+
+static int ubnt_ledbar_init_led(struct device_node *np, struct ubnt_ledbar *ledbar,
+ struct led_classdev *led_cdev)
+{
+ struct led_init_data init_data = {};
+ int ret;
+
+ if (!np)
+ return 0;
+
+ init_data.fwnode = of_fwnode_handle(np);
+
+ led_cdev->max_brightness = UBNT_LEDBAR_MAX_BRIGHTNESS;
+
+ ret = devm_led_classdev_register_ext(&ledbar->client->dev, led_cdev,
+ &init_data);
+ if (ret)
+ dev_err(&ledbar->client->dev, "led register err: %d\n", ret);
+
+ return ret;
+}
+
+
+static int ubnt_ledbar_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device_node *np = client->dev.of_node;
+ struct ubnt_ledbar *ledbar;
+ int ret;
+
+ ledbar = devm_kzalloc(&client->dev, sizeof(*ledbar), GFP_KERNEL);
+ if (!ledbar)
+ return -ENOMEM;
+
+ ledbar->enable_gpio = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
+
+ if (IS_ERR(ledbar->enable_gpio)) {
+ ret = PTR_ERR(ledbar->enable_gpio);
+ dev_err(&client->dev, "Failed to get enable gpio: %d\n", ret);
+ return ret;
+ }
+
+ ledbar->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW);
+
+ if (IS_ERR(ledbar->reset_gpio)) {
+ ret = PTR_ERR(ledbar->reset_gpio);
+ dev_err(&client->dev, "Failed to get reset gpio: %d\n", ret);
+ return ret;
+ }
+
+ ledbar->led_count = 1;
+ of_property_read_u32(np, "led-count", &ledbar->led_count);
+
+ ledbar->client = client;
+
+ mutex_init(&ledbar->lock);
+
+ i2c_set_clientdata(client, ledbar);
+
+ // Reset and initialize the MCU
+ ubnt_ledbar_reset(ledbar);
+
+ ledbar->led_red.brightness_set_blocking = ubnt_ledbar_set_red_brightness;
+ ubnt_ledbar_init_led(of_get_child_by_name(np, "red"), ledbar, &ledbar->led_red);
+
+ ledbar->led_green.brightness_set_blocking = ubnt_ledbar_set_green_brightness;
+ ubnt_ledbar_init_led(of_get_child_by_name(np, "green"), ledbar, &ledbar->led_green);
+
+ ledbar->led_blue.brightness_set_blocking = ubnt_ledbar_set_blue_brightness;
+ ubnt_ledbar_init_led(of_get_child_by_name(np, "blue"), ledbar, &ledbar->led_blue);
+
+ return ubnt_ledbar_apply_state(ledbar);
+}
+
+static int ubnt_ledbar_remove(struct i2c_client *client)
+{
+ struct ubnt_ledbar *ledbar = i2c_get_clientdata(client);
+
+ mutex_destroy(&ledbar->lock);
+
+ return 0;
+}
+
+static const struct i2c_device_id ubnt_ledbar_id[] = {
+ { "ubnt-ledbar", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ubnt_ledbar_id);
+
+static const struct of_device_id of_ubnt_ledbar_match[] = {
+ { .compatible = "ubnt,ledbar", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, of_ubnt_ledbar_match);
+
+static struct i2c_driver ubnt_ledbar_driver = {
+ .driver = {
+ .name = "ubnt-ledbar",
+ .of_match_table = of_ubnt_ledbar_match,
+ },
+ .probe = ubnt_ledbar_probe,
+ .remove = ubnt_ledbar_remove,
+ .id_table = ubnt_ledbar_id,
+};
+module_i2c_driver(ubnt_ledbar_driver);
+
+MODULE_DESCRIPTION("Ubiquiti LEDBAR driver");
+MODULE_AUTHOR("David Bauer <mail@david-bauer.net>");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+--- a/drivers/leds/Kconfig
++++ b/drivers/leds/Kconfig
+@@ -929,6 +929,16 @@ config LEDS_ACER_A500
+ This option enables support for the Power Button LED of
+ Acer Iconia Tab A500.
+
++config LEDS_UBNT_LEDBAR
++ tristate "LED support for Ubiquiti UniFi 6 LR"
++ depends on LEDS_CLASS && I2C && OF
++ help
++ This option enables support for the Ubiquiti LEDBAR
++ LED driver.
++
++ To compile this driver as a module, choose M here: the module
++ will be called leds-ubnt-ledbar.
++
+ comment "LED Triggers"
+ source "drivers/leds/trigger/Kconfig"
+
+--- a/drivers/leds/Makefile
++++ b/drivers/leds/Makefile
+@@ -93,6 +93,7 @@ obj-$(CONFIG_LEDS_TURRIS_OMNIA) += leds
+ obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o
+ obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o
+ obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
++obj-$(CONFIG_LEDS_UBNT_LEDBAR) += leds-ubnt-ledbar.o
+
+ # LED SPI Drivers
+ obj-$(CONFIG_LEDS_CR0014114) += leds-cr0014114.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/init.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/gpio/consumer.h>
-
-/**
- * Driver for the Ubiquiti RGB LED controller (LEDBAR).
- * This Controller is based on a Holtek HT32F52241 and connected
- * via I2C.
- *
- * - The Controller needs an enable signal set to high when
- * performing a transaction. On the U6-LR, this is located
- * at Pin 18 (R6902)
- *
- * - The Pin is also printed when calling the "usetled" function
- * contained in the ubntapp bootloader application.
- */
-
-#define UBNT_LEDBAR_MAX_BRIGHTNESS 0xff
-
-#define UBNT_LEDBAR_TRANSACTION_LENGTH 8
-#define UBNT_LEDBAR_TRANSACTION_SUCCESS (char) 0xaa
-
-#define UBNT_LEDBAR_TRANSACTION_BLUE_IDX 2
-#define UBNT_LEDBAR_TRANSACTION_GREEN_IDX 3
-#define UBNT_LEDBAR_TRANSACTION_RED_IDX 4
-#define UBNT_LEDBAR_TRANSACTION_LED_COUNT_IDX 6
-
-struct ubnt_ledbar {
- struct mutex lock;
- u32 led_count;
- struct i2c_client *client;
- struct led_classdev led_red;
- struct led_classdev led_green;
- struct led_classdev led_blue;
- struct gpio_desc *enable_gpio;
- struct gpio_desc *reset_gpio;
-};
-
-static void ubnt_ledbar_perform_transaction(struct ubnt_ledbar *ledbar,
- const char *transaction, int len,
- char *result, int result_len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- i2c_smbus_write_byte(ledbar->client, transaction[i]);
-
- for (i = 0; i < result_len; i++)
- result[i] = i2c_smbus_read_byte(ledbar->client);
-}
-
-static int ubnt_ledbar_apply_state(struct ubnt_ledbar *ledbar)
-{
- char setup_msg[UBNT_LEDBAR_TRANSACTION_LENGTH] = {0x40, 0x10, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x11};
- char led_msg[UBNT_LEDBAR_TRANSACTION_LENGTH] = {0x40, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00};
- char i2c_response;
- int ret = 0;
-
- mutex_lock(&ledbar->lock);
-
- led_msg[UBNT_LEDBAR_TRANSACTION_BLUE_IDX] = ledbar->led_blue.brightness;
- led_msg[UBNT_LEDBAR_TRANSACTION_GREEN_IDX] = ledbar->led_green.brightness;
- led_msg[UBNT_LEDBAR_TRANSACTION_RED_IDX] = ledbar->led_red.brightness;
- led_msg[UBNT_LEDBAR_TRANSACTION_LED_COUNT_IDX] = ledbar->led_count;
-
- gpiod_set_value(ledbar->enable_gpio, 1);
-
- msleep(10);
-
- ubnt_ledbar_perform_transaction(ledbar, setup_msg, sizeof(setup_msg), &i2c_response, sizeof(i2c_response));
- if (i2c_response != UBNT_LEDBAR_TRANSACTION_SUCCESS) {
- dev_err(&ledbar->client->dev, "Error initializing LED transaction: %02hhx\n", i2c_response);
- ret = -EINVAL;
- goto out_gpio;
- }
-
- ubnt_ledbar_perform_transaction(ledbar, led_msg, sizeof(led_msg), &i2c_response, sizeof(i2c_response));
- if (i2c_response != UBNT_LEDBAR_TRANSACTION_SUCCESS) {
- dev_err(&ledbar->client->dev, "Failed LED transaction: %02hhx\n", i2c_response);
- ret = -EINVAL;
- goto out_gpio;
- }
-
- msleep(10);
-out_gpio:
- gpiod_set_value(ledbar->enable_gpio, 0);
-
- mutex_unlock(&ledbar->lock);
-
- return ret;
-}
-
-static void ubnt_ledbar_reset(struct ubnt_ledbar *ledbar)
-{
- static const char init_msg[16] = {0x02, 0x81, 0xfd, 0x7e,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00};
- char init_response[4];
-
- if (!ledbar->reset_gpio)
- return;
-
- mutex_lock(&ledbar->lock);
-
- gpiod_set_value(ledbar->reset_gpio, 1);
- msleep(10);
- gpiod_set_value(ledbar->reset_gpio, 0);
-
- msleep(10);
-
- gpiod_set_value(ledbar->enable_gpio, 1);
- msleep(10);
- ubnt_ledbar_perform_transaction(ledbar, init_msg, sizeof(init_msg), init_response, sizeof(init_response));
- msleep(10);
- gpiod_set_value(ledbar->enable_gpio, 0);
-
- mutex_unlock(&ledbar->lock);
-}
-
-#define UBNT_LEDBAR_CONTROL_RGBS(name) \
-static int ubnt_ledbar_set_##name##_brightness(struct led_classdev *led_cdev,\
- enum led_brightness value) \
-{ \
- struct ubnt_ledbar *ledbar = \
- container_of(led_cdev, struct ubnt_ledbar, led_##name); \
- int ret; \
- led_cdev->brightness = value; \
- ret = ubnt_ledbar_apply_state(ledbar); \
- return ret; \
-}
-
-UBNT_LEDBAR_CONTROL_RGBS(red);
-UBNT_LEDBAR_CONTROL_RGBS(green);
-UBNT_LEDBAR_CONTROL_RGBS(blue);
-
-
-static int ubnt_ledbar_init_led(struct device_node *np, struct ubnt_ledbar *ledbar,
- struct led_classdev *led_cdev)
-{
- struct led_init_data init_data = {};
- int ret;
-
- if (!np)
- return 0;
-
- init_data.fwnode = of_fwnode_handle(np);
-
- led_cdev->max_brightness = UBNT_LEDBAR_MAX_BRIGHTNESS;
-
- ret = devm_led_classdev_register_ext(&ledbar->client->dev, led_cdev,
- &init_data);
- if (ret)
- dev_err(&ledbar->client->dev, "led register err: %d\n", ret);
-
- return ret;
-}
-
-
-static int ubnt_ledbar_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct device_node *np = client->dev.of_node;
- struct ubnt_ledbar *ledbar;
- int ret;
-
- ledbar = devm_kzalloc(&client->dev, sizeof(*ledbar), GFP_KERNEL);
- if (!ledbar)
- return -ENOMEM;
-
- ledbar->enable_gpio = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW);
-
- if (IS_ERR(ledbar->enable_gpio)) {
- ret = PTR_ERR(ledbar->enable_gpio);
- dev_err(&client->dev, "Failed to get enable gpio: %d\n", ret);
- return ret;
- }
-
- ledbar->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW);
-
- if (IS_ERR(ledbar->reset_gpio)) {
- ret = PTR_ERR(ledbar->reset_gpio);
- dev_err(&client->dev, "Failed to get reset gpio: %d\n", ret);
- return ret;
- }
-
- ledbar->led_count = 1;
- of_property_read_u32(np, "led-count", &ledbar->led_count);
-
- ledbar->client = client;
-
- mutex_init(&ledbar->lock);
-
- i2c_set_clientdata(client, ledbar);
-
- // Reset and initialize the MCU
- ubnt_ledbar_reset(ledbar);
-
- ledbar->led_red.brightness_set_blocking = ubnt_ledbar_set_red_brightness;
- ubnt_ledbar_init_led(of_get_child_by_name(np, "red"), ledbar, &ledbar->led_red);
-
- ledbar->led_green.brightness_set_blocking = ubnt_ledbar_set_green_brightness;
- ubnt_ledbar_init_led(of_get_child_by_name(np, "green"), ledbar, &ledbar->led_green);
-
- ledbar->led_blue.brightness_set_blocking = ubnt_ledbar_set_blue_brightness;
- ubnt_ledbar_init_led(of_get_child_by_name(np, "blue"), ledbar, &ledbar->led_blue);
-
- return ubnt_ledbar_apply_state(ledbar);
-}
-
-static int ubnt_ledbar_remove(struct i2c_client *client)
-{
- struct ubnt_ledbar *ledbar = i2c_get_clientdata(client);
-
- mutex_destroy(&ledbar->lock);
-
- return 0;
-}
-
-static const struct i2c_device_id ubnt_ledbar_id[] = {
- { "ubnt-ledbar", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ubnt_ledbar_id);
-
-static const struct of_device_id of_ubnt_ledbar_match[] = {
- { .compatible = "ubnt,ledbar", },
- {},
-};
-MODULE_DEVICE_TABLE(of, of_ubnt_ledbar_match);
-
-static struct i2c_driver ubnt_ledbar_driver = {
- .driver = {
- .name = "ubnt-ledbar",
- .of_match_table = of_ubnt_ledbar_match,
- },
- .probe = ubnt_ledbar_probe,
- .remove = ubnt_ledbar_remove,
- .id_table = ubnt_ledbar_id,
-};
-module_i2c_driver(ubnt_ledbar_driver);
-
-MODULE_DESCRIPTION("Ubiquiti LEDBAR driver");
-MODULE_AUTHOR("David Bauer <mail@david-bauer.net>");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
---- a/drivers/leds/Kconfig
-+++ b/drivers/leds/Kconfig
-@@ -931,6 +931,16 @@ config LEDS_ACER_A500
-
- source "drivers/leds/blink/Kconfig"
-
-+config LEDS_UBNT_LEDBAR
-+ tristate "LED support for Ubiquiti UniFi 6 LR"
-+ depends on LEDS_CLASS && I2C && OF
-+ help
-+ This option enables support for the Ubiquiti LEDBAR
-+ LED driver.
-+
-+ To compile this driver as a module, choose M here: the module
-+ will be called leds-ubnt-ledbar.
-+
- comment "LED Triggers"
- source "drivers/leds/trigger/Kconfig"
-
---- a/drivers/leds/Makefile
-+++ b/drivers/leds/Makefile
-@@ -93,6 +93,7 @@ obj-$(CONFIG_LEDS_TURRIS_OMNIA) += leds
- obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o
- obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o
- obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
-+obj-$(CONFIG_LEDS_UBNT_LEDBAR) += leds-ubnt-ledbar.o
-
- # LED SPI Drivers
- obj-$(CONFIG_LEDS_CR0014114) += leds-cr0014114.o
projects / openwrt / openwrt.git / commitdiff