The drivers contained in this directory are not simplistic.
Signed-off-by: Lee Jones <lee@kernel.org>
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
-comment "Simple LED drivers"
-source "drivers/leds/simple/Kconfig"
+comment "Simatic LED drivers"
+source "drivers/leds/simatic/Kconfig"
endif # NEW_LEDS
# LED Blink
obj-y += blink/
-# Simple LED drivers
-obj-y += simple/
+# Simatic LED drivers
+obj-y += simatic/
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+config LEDS_SIEMENS_SIMATIC_IPC
+ tristate "LED driver for Siemens Simatic IPCs"
+ depends on LEDS_CLASS
+ depends on SIEMENS_SIMATIC_IPC
+ default y
+ help
+ This option enables support for the LEDs of several Industrial PCs
+ from Siemens.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc-leds.
+
+config LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE
+ tristate "LED driver for Siemens Simatic IPCs based on Intel Apollo Lake GPIO"
+ depends on LEDS_GPIO
+ depends on PINCTRL_BROXTON
+ depends on SIEMENS_SIMATIC_IPC
+ default LEDS_SIEMENS_SIMATIC_IPC
+ help
+ This option enables support for the LEDs of several Industrial PCs
+ from Siemens based on Apollo Lake GPIO i.e. IPC127E.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc-leds-gpio-apollolake.
+
+config LEDS_SIEMENS_SIMATIC_IPC_F7188X
+ tristate "LED driver for Siemens Simatic IPCs based on Nuvoton GPIO"
+ depends on LEDS_GPIO
+ depends on GPIO_F7188X
+ depends on SIEMENS_SIMATIC_IPC
+ default LEDS_SIEMENS_SIMATIC_IPC
+ help
+ This option enables support for the LEDs of several Industrial PCs
+ from Siemens based on Nuvoton GPIO i.e. IPC227G.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc-leds-gpio-f7188x.
+
+config LEDS_SIEMENS_SIMATIC_IPC_ELKHARTLAKE
+ tristate "LED driver for Siemens Simatic IPCs based on Intel Elkhart Lake GPIO"
+ depends on LEDS_GPIO
+ depends on PINCTRL_ELKHARTLAKE
+ depends on SIEMENS_SIMATIC_IPC
+ default LEDS_SIEMENS_SIMATIC_IPC
+ help
+ This option enables support for the LEDs of several Industrial PCs
+ from Siemens based on Elkhart Lake GPIO i.e. BX-21A.
+
+ To compile this driver as a module, choose M here: the module
+ will be called simatic-ipc-leds-gpio-elkhartlake.
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) += simatic-ipc-leds.o
+obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-apollolake.o
+obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_F7188X) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-f7188x.o
+obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_ELKHARTLAKE) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-elkhartlake.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Author:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+
+#include "simatic-ipc-leds-gpio.h"
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
+ .dev_id = "leds-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 52, NULL, 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 53, NULL, 1, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 57, NULL, 2, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),
+ {} /* Terminating entry */
+ },
+};
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {
+ .dev_id = NULL, /* Filled during initialization */
+ .table = {
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
+ {} /* Terminating entry */
+ },
+};
+
+static int simatic_ipc_leds_gpio_apollolake_probe(struct platform_device *pdev)
+{
+ return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
+ &simatic_ipc_led_gpio_table_extra);
+}
+
+static void simatic_ipc_leds_gpio_apollolake_remove(struct platform_device *pdev)
+{
+ simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table,
+ &simatic_ipc_led_gpio_table_extra);
+}
+
+static struct platform_driver simatic_ipc_led_gpio_apollolake_driver = {
+ .probe = simatic_ipc_leds_gpio_apollolake_probe,
+ .remove = simatic_ipc_leds_gpio_apollolake_remove,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+module_platform_driver(simatic_ipc_led_gpio_apollolake_driver);
+
+MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Intel Apollo Lake GPIO");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:apollolake-pinctrl");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Author:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+
+#include "simatic-ipc-leds-gpio.h"
+
+static struct platform_device *simatic_leds_pdev;
+
+static const struct gpio_led simatic_ipc_gpio_leds[] = {
+ { .name = "red:" LED_FUNCTION_STATUS "-1" },
+ { .name = "green:" LED_FUNCTION_STATUS "-1" },
+ { .name = "red:" LED_FUNCTION_STATUS "-2" },
+ { .name = "green:" LED_FUNCTION_STATUS "-2" },
+ { .name = "red:" LED_FUNCTION_STATUS "-3" },
+ { .name = "green:" LED_FUNCTION_STATUS "-3" },
+};
+
+static const struct gpio_led_platform_data simatic_ipc_gpio_leds_pdata = {
+ .num_leds = ARRAY_SIZE(simatic_ipc_gpio_leds),
+ .leds = simatic_ipc_gpio_leds,
+};
+
+void simatic_ipc_leds_gpio_remove(struct platform_device *pdev,
+ struct gpiod_lookup_table *table,
+ struct gpiod_lookup_table *table_extra)
+{
+ gpiod_remove_lookup_table(table);
+ gpiod_remove_lookup_table(table_extra);
+ platform_device_unregister(simatic_leds_pdev);
+}
+EXPORT_SYMBOL_GPL(simatic_ipc_leds_gpio_remove);
+
+int simatic_ipc_leds_gpio_probe(struct platform_device *pdev,
+ struct gpiod_lookup_table *table,
+ struct gpiod_lookup_table *table_extra)
+{
+ const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct gpio_desc *gpiod;
+ int err;
+
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_127E:
+ case SIMATIC_IPC_DEVICE_227G:
+ case SIMATIC_IPC_DEVICE_BX_21A:
+ case SIMATIC_IPC_DEVICE_BX_59A:
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ gpiod_add_lookup_table(table);
+ simatic_leds_pdev = platform_device_register_resndata(NULL,
+ "leds-gpio", PLATFORM_DEVID_NONE, NULL, 0,
+ &simatic_ipc_gpio_leds_pdata,
+ sizeof(simatic_ipc_gpio_leds_pdata));
+ if (IS_ERR(simatic_leds_pdev)) {
+ err = PTR_ERR(simatic_leds_pdev);
+ goto out;
+ }
+
+ if (!table_extra)
+ return 0;
+
+ table_extra->dev_id = dev_name(dev);
+ gpiod_add_lookup_table(table_extra);
+
+ /* PM_BIOS_BOOT_N */
+ gpiod = gpiod_get_index(dev, NULL, 6, GPIOD_OUT_LOW);
+ if (IS_ERR(gpiod)) {
+ err = PTR_ERR(gpiod);
+ goto out;
+ }
+ gpiod_put(gpiod);
+
+ /* PM_WDT_OUT */
+ gpiod = gpiod_get_index(dev, NULL, 7, GPIOD_OUT_LOW);
+ if (IS_ERR(gpiod)) {
+ err = PTR_ERR(gpiod);
+ goto out;
+ }
+ gpiod_put(gpiod);
+
+ return 0;
+out:
+ simatic_ipc_leds_gpio_remove(pdev, table, table_extra);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(simatic_ipc_leds_gpio_probe);
+
+MODULE_DESCRIPTION("Siemens SIMATIC IPC core driver for GPIO based LEDs");
+MODULE_LICENSE("GPL v2");
+MODULE_SOFTDEP("pre: platform:leds-gpio");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Author:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+
+#include "simatic-ipc-leds-gpio.h"
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
+ .dev_id = "leds-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("INTC1020:04", 72, NULL, 0, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 77, NULL, 1, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 78, NULL, 2, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 58, NULL, 3, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 60, NULL, 4, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("INTC1020:04", 62, NULL, 5, GPIO_ACTIVE_HIGH),
+ {} /* Terminating entry */
+ },
+};
+
+static int simatic_ipc_leds_gpio_elkhartlake_probe(struct platform_device *pdev)
+{
+ return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
+ NULL);
+}
+
+static void simatic_ipc_leds_gpio_elkhartlake_remove(struct platform_device *pdev)
+{
+ simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table, NULL);
+}
+
+static struct platform_driver simatic_ipc_led_gpio_elkhartlake_driver = {
+ .probe = simatic_ipc_leds_gpio_elkhartlake_probe,
+ .remove = simatic_ipc_leds_gpio_elkhartlake_remove,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+module_platform_driver(simatic_ipc_led_gpio_elkhartlake_driver);
+
+MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Intel Elkhart Lake GPIO");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:elkhartlake-pinctrl");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Author:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#include <linux/gpio/machine.h>
+#include <linux/gpio/consumer.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+
+#include "simatic-ipc-leds-gpio.h"
+
+struct simatic_ipc_led_tables {
+ struct gpiod_lookup_table *led_lookup_table;
+ struct gpiod_lookup_table *led_lookup_table_extra;
+};
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {
+ .dev_id = "leds-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 1, NULL, 1, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 2, NULL, 2, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 3, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 4, NULL, 4, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 5, NULL, 5, GPIO_ACTIVE_LOW),
+ {} /* Terminating entry */
+ },
+};
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra_227g = {
+ .dev_id = NULL, /* Filled during initialization */
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP_IDX("gpio-f7188x-3", 7, NULL, 7, GPIO_ACTIVE_HIGH),
+ {} /* Terminating entry */
+ },
+};
+
+static struct gpiod_lookup_table simatic_ipc_led_gpio_table_bx_59a = {
+ .dev_id = "leds-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 1, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-5", 3, NULL, 2, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-5", 2, NULL, 3, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-7", 7, NULL, 4, GPIO_ACTIVE_LOW),
+ GPIO_LOOKUP_IDX("gpio-f7188x-7", 4, NULL, 5, GPIO_ACTIVE_LOW),
+ {} /* Terminating entry */
+ }
+};
+
+static int simatic_ipc_leds_gpio_f7188x_probe(struct platform_device *pdev)
+{
+ const struct simatic_ipc_platform *plat = dev_get_platdata(&pdev->dev);
+ struct simatic_ipc_led_tables *led_tables;
+
+ led_tables = devm_kzalloc(&pdev->dev, sizeof(*led_tables), GFP_KERNEL);
+ if (!led_tables)
+ return -ENOMEM;
+
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_227G:
+ led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_227g;
+ led_tables->led_lookup_table_extra = &simatic_ipc_led_gpio_table_extra_227g;
+ break;
+ case SIMATIC_IPC_DEVICE_BX_59A:
+ led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_bx_59a;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ platform_set_drvdata(pdev, led_tables);
+ return simatic_ipc_leds_gpio_probe(pdev, led_tables->led_lookup_table,
+ led_tables->led_lookup_table_extra);
+}
+
+static void simatic_ipc_leds_gpio_f7188x_remove(struct platform_device *pdev)
+{
+ struct simatic_ipc_led_tables *led_tables = platform_get_drvdata(pdev);
+
+ simatic_ipc_leds_gpio_remove(pdev, led_tables->led_lookup_table,
+ led_tables->led_lookup_table_extra);
+}
+
+static struct platform_driver simatic_ipc_led_gpio_driver = {
+ .probe = simatic_ipc_leds_gpio_f7188x_probe,
+ .remove = simatic_ipc_leds_gpio_f7188x_remove,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+module_platform_driver(simatic_ipc_led_gpio_driver);
+
+MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Nuvoton GPIO");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core gpio_f7188x");
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Siemens SIMATIC IPC driver for GPIO based LEDs
+ *
+ * Copyright (c) Siemens AG, 2023
+ *
+ * Author:
+ * Henning Schild <henning.schild@siemens.com>
+ */
+
+#ifndef _SIMATIC_IPC_LEDS_GPIO_H
+#define _SIMATIC_IPC_LEDS_GPIO_H
+
+int simatic_ipc_leds_gpio_probe(struct platform_device *pdev,
+ struct gpiod_lookup_table *table,
+ struct gpiod_lookup_table *table_extra);
+
+void simatic_ipc_leds_gpio_remove(struct platform_device *pdev,
+ struct gpiod_lookup_table *table,
+ struct gpiod_lookup_table *table_extra);
+
+#endif /* _SIMATIC_IPC_LEDS_GPIO_H */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Siemens SIMATIC IPC driver for LEDs
+ *
+ * Copyright (c) Siemens AG, 2018-2021
+ *
+ * Authors:
+ * Henning Schild <henning.schild@siemens.com>
+ * Jan Kiszka <jan.kiszka@siemens.com>
+ * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
+ */
+
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_data/x86/simatic-ipc-base.h>
+#include <linux/platform_device.h>
+#include <linux/sizes.h>
+#include <linux/spinlock.h>
+
+#define SIMATIC_IPC_LED_PORT_BASE 0x404E
+
+struct simatic_ipc_led {
+ unsigned int value; /* mask for io */
+ char *name;
+ struct led_classdev cdev;
+};
+
+static struct simatic_ipc_led simatic_ipc_leds_io[] = {
+ {1 << 15, "green:" LED_FUNCTION_STATUS "-1" },
+ {1 << 7, "yellow:" LED_FUNCTION_STATUS "-1" },
+ {1 << 14, "red:" LED_FUNCTION_STATUS "-2" },
+ {1 << 6, "yellow:" LED_FUNCTION_STATUS "-2" },
+ {1 << 13, "red:" LED_FUNCTION_STATUS "-3" },
+ {1 << 5, "yellow:" LED_FUNCTION_STATUS "-3" },
+ { }
+};
+
+static struct resource simatic_ipc_led_io_res =
+ DEFINE_RES_IO_NAMED(SIMATIC_IPC_LED_PORT_BASE, SZ_2, KBUILD_MODNAME);
+
+static DEFINE_SPINLOCK(reg_lock);
+
+static inline struct simatic_ipc_led *cdev_to_led(struct led_classdev *led_cd)
+{
+ return container_of(led_cd, struct simatic_ipc_led, cdev);
+}
+
+static void simatic_ipc_led_set_io(struct led_classdev *led_cd,
+ enum led_brightness brightness)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+ unsigned long flags;
+ unsigned int val;
+
+ spin_lock_irqsave(®_lock, flags);
+
+ val = inw(SIMATIC_IPC_LED_PORT_BASE);
+ if (brightness == LED_OFF)
+ outw(val | led->value, SIMATIC_IPC_LED_PORT_BASE);
+ else
+ outw(val & ~led->value, SIMATIC_IPC_LED_PORT_BASE);
+
+ spin_unlock_irqrestore(®_lock, flags);
+}
+
+static enum led_brightness simatic_ipc_led_get_io(struct led_classdev *led_cd)
+{
+ struct simatic_ipc_led *led = cdev_to_led(led_cd);
+
+ return inw(SIMATIC_IPC_LED_PORT_BASE) & led->value ? LED_OFF : led_cd->max_brightness;
+}
+
+static int simatic_ipc_leds_probe(struct platform_device *pdev)
+{
+ const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
+ struct device *dev = &pdev->dev;
+ struct simatic_ipc_led *ipcled;
+ struct led_classdev *cdev;
+ struct resource *res;
+ int err;
+
+ switch (plat->devmode) {
+ case SIMATIC_IPC_DEVICE_227D:
+ case SIMATIC_IPC_DEVICE_427E:
+ res = &simatic_ipc_led_io_res;
+ ipcled = simatic_ipc_leds_io;
+ /* on 227D the two bytes work the other way araound */
+ if (plat->devmode == SIMATIC_IPC_DEVICE_227D) {
+ while (ipcled->value) {
+ ipcled->value = swab16(ipcled->value);
+ ipcled++;
+ }
+ ipcled = simatic_ipc_leds_io;
+ }
+ if (!devm_request_region(dev, res->start, resource_size(res), KBUILD_MODNAME)) {
+ dev_err(dev, "Unable to register IO resource at %pR\n", res);
+ return -EBUSY;
+ }
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ while (ipcled->value) {
+ cdev = &ipcled->cdev;
+ cdev->brightness_set = simatic_ipc_led_set_io;
+ cdev->brightness_get = simatic_ipc_led_get_io;
+ cdev->max_brightness = LED_ON;
+ cdev->name = ipcled->name;
+
+ err = devm_led_classdev_register(dev, cdev);
+ if (err < 0)
+ return err;
+ ipcled++;
+ }
+
+ return 0;
+}
+
+static struct platform_driver simatic_ipc_led_driver = {
+ .probe = simatic_ipc_leds_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ }
+};
+module_platform_driver(simatic_ipc_led_driver);
+
+MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" KBUILD_MODNAME);
+MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only
-config LEDS_SIEMENS_SIMATIC_IPC
- tristate "LED driver for Siemens Simatic IPCs"
- depends on LEDS_CLASS
- depends on SIEMENS_SIMATIC_IPC
- default y
- help
- This option enables support for the LEDs of several Industrial PCs
- from Siemens.
-
- To compile this driver as a module, choose M here: the module
- will be called simatic-ipc-leds.
-
-config LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE
- tristate "LED driver for Siemens Simatic IPCs based on Intel Apollo Lake GPIO"
- depends on LEDS_GPIO
- depends on PINCTRL_BROXTON
- depends on SIEMENS_SIMATIC_IPC
- default LEDS_SIEMENS_SIMATIC_IPC
- help
- This option enables support for the LEDs of several Industrial PCs
- from Siemens based on Apollo Lake GPIO i.e. IPC127E.
-
- To compile this driver as a module, choose M here: the module
- will be called simatic-ipc-leds-gpio-apollolake.
-
-config LEDS_SIEMENS_SIMATIC_IPC_F7188X
- tristate "LED driver for Siemens Simatic IPCs based on Nuvoton GPIO"
- depends on LEDS_GPIO
- depends on GPIO_F7188X
- depends on SIEMENS_SIMATIC_IPC
- default LEDS_SIEMENS_SIMATIC_IPC
- help
- This option enables support for the LEDs of several Industrial PCs
- from Siemens based on Nuvoton GPIO i.e. IPC227G.
-
- To compile this driver as a module, choose M here: the module
- will be called simatic-ipc-leds-gpio-f7188x.
-
-config LEDS_SIEMENS_SIMATIC_IPC_ELKHARTLAKE
- tristate "LED driver for Siemens Simatic IPCs based on Intel Elkhart Lake GPIO"
- depends on LEDS_GPIO
- depends on PINCTRL_ELKHARTLAKE
- depends on SIEMENS_SIMATIC_IPC
- default LEDS_SIEMENS_SIMATIC_IPC
- help
- This option enables support for the LEDs of several Industrial PCs
- from Siemens based on Elkhart Lake GPIO i.e. BX-21A.
-
- To compile this driver as a module, choose M here: the module
- will be called simatic-ipc-leds-gpio-elkhartlake.
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC) += simatic-ipc-leds.o
-obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_APOLLOLAKE) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-apollolake.o
-obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_F7188X) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-f7188x.o
-obj-$(CONFIG_LEDS_SIEMENS_SIMATIC_IPC_ELKHARTLAKE) += simatic-ipc-leds-gpio-core.o simatic-ipc-leds-gpio-elkhartlake.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Siemens SIMATIC IPC driver for GPIO based LEDs
- *
- * Copyright (c) Siemens AG, 2023
- *
- * Author:
- * Henning Schild <henning.schild@siemens.com>
- */
-
-#include <linux/gpio/machine.h>
-#include <linux/gpio/consumer.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/platform_data/x86/simatic-ipc-base.h>
-
-#include "simatic-ipc-leds-gpio.h"
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
- .dev_id = "leds-gpio",
- .table = {
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 52, NULL, 0, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 53, NULL, 1, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 57, NULL, 2, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),
- {} /* Terminating entry */
- },
-};
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra = {
- .dev_id = NULL, /* Filled during initialization */
- .table = {
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
- {} /* Terminating entry */
- },
-};
-
-static int simatic_ipc_leds_gpio_apollolake_probe(struct platform_device *pdev)
-{
- return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
- &simatic_ipc_led_gpio_table_extra);
-}
-
-static void simatic_ipc_leds_gpio_apollolake_remove(struct platform_device *pdev)
-{
- simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table,
- &simatic_ipc_led_gpio_table_extra);
-}
-
-static struct platform_driver simatic_ipc_led_gpio_apollolake_driver = {
- .probe = simatic_ipc_leds_gpio_apollolake_probe,
- .remove = simatic_ipc_leds_gpio_apollolake_remove,
- .driver = {
- .name = KBUILD_MODNAME,
- },
-};
-module_platform_driver(simatic_ipc_led_gpio_apollolake_driver);
-
-MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Intel Apollo Lake GPIO");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" KBUILD_MODNAME);
-MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:apollolake-pinctrl");
-MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Siemens SIMATIC IPC driver for GPIO based LEDs
- *
- * Copyright (c) Siemens AG, 2023
- *
- * Author:
- * Henning Schild <henning.schild@siemens.com>
- */
-
-#include <linux/gpio/machine.h>
-#include <linux/gpio/consumer.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/platform_data/x86/simatic-ipc-base.h>
-
-#include "simatic-ipc-leds-gpio.h"
-
-static struct platform_device *simatic_leds_pdev;
-
-static const struct gpio_led simatic_ipc_gpio_leds[] = {
- { .name = "red:" LED_FUNCTION_STATUS "-1" },
- { .name = "green:" LED_FUNCTION_STATUS "-1" },
- { .name = "red:" LED_FUNCTION_STATUS "-2" },
- { .name = "green:" LED_FUNCTION_STATUS "-2" },
- { .name = "red:" LED_FUNCTION_STATUS "-3" },
- { .name = "green:" LED_FUNCTION_STATUS "-3" },
-};
-
-static const struct gpio_led_platform_data simatic_ipc_gpio_leds_pdata = {
- .num_leds = ARRAY_SIZE(simatic_ipc_gpio_leds),
- .leds = simatic_ipc_gpio_leds,
-};
-
-void simatic_ipc_leds_gpio_remove(struct platform_device *pdev,
- struct gpiod_lookup_table *table,
- struct gpiod_lookup_table *table_extra)
-{
- gpiod_remove_lookup_table(table);
- gpiod_remove_lookup_table(table_extra);
- platform_device_unregister(simatic_leds_pdev);
-}
-EXPORT_SYMBOL_GPL(simatic_ipc_leds_gpio_remove);
-
-int simatic_ipc_leds_gpio_probe(struct platform_device *pdev,
- struct gpiod_lookup_table *table,
- struct gpiod_lookup_table *table_extra)
-{
- const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
- struct device *dev = &pdev->dev;
- struct gpio_desc *gpiod;
- int err;
-
- switch (plat->devmode) {
- case SIMATIC_IPC_DEVICE_127E:
- case SIMATIC_IPC_DEVICE_227G:
- case SIMATIC_IPC_DEVICE_BX_21A:
- case SIMATIC_IPC_DEVICE_BX_59A:
- break;
- default:
- return -ENODEV;
- }
-
- gpiod_add_lookup_table(table);
- simatic_leds_pdev = platform_device_register_resndata(NULL,
- "leds-gpio", PLATFORM_DEVID_NONE, NULL, 0,
- &simatic_ipc_gpio_leds_pdata,
- sizeof(simatic_ipc_gpio_leds_pdata));
- if (IS_ERR(simatic_leds_pdev)) {
- err = PTR_ERR(simatic_leds_pdev);
- goto out;
- }
-
- if (!table_extra)
- return 0;
-
- table_extra->dev_id = dev_name(dev);
- gpiod_add_lookup_table(table_extra);
-
- /* PM_BIOS_BOOT_N */
- gpiod = gpiod_get_index(dev, NULL, 6, GPIOD_OUT_LOW);
- if (IS_ERR(gpiod)) {
- err = PTR_ERR(gpiod);
- goto out;
- }
- gpiod_put(gpiod);
-
- /* PM_WDT_OUT */
- gpiod = gpiod_get_index(dev, NULL, 7, GPIOD_OUT_LOW);
- if (IS_ERR(gpiod)) {
- err = PTR_ERR(gpiod);
- goto out;
- }
- gpiod_put(gpiod);
-
- return 0;
-out:
- simatic_ipc_leds_gpio_remove(pdev, table, table_extra);
-
- return err;
-}
-EXPORT_SYMBOL_GPL(simatic_ipc_leds_gpio_probe);
-
-MODULE_DESCRIPTION("Siemens SIMATIC IPC core driver for GPIO based LEDs");
-MODULE_LICENSE("GPL v2");
-MODULE_SOFTDEP("pre: platform:leds-gpio");
-MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Siemens SIMATIC IPC driver for GPIO based LEDs
- *
- * Copyright (c) Siemens AG, 2023
- *
- * Author:
- * Henning Schild <henning.schild@siemens.com>
- */
-
-#include <linux/gpio/machine.h>
-#include <linux/gpio/consumer.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/platform_data/x86/simatic-ipc-base.h>
-
-#include "simatic-ipc-leds-gpio.h"
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table = {
- .dev_id = "leds-gpio",
- .table = {
- GPIO_LOOKUP_IDX("INTC1020:04", 72, NULL, 0, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("INTC1020:04", 77, NULL, 1, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("INTC1020:04", 78, NULL, 2, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("INTC1020:04", 58, NULL, 3, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("INTC1020:04", 60, NULL, 4, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("INTC1020:04", 62, NULL, 5, GPIO_ACTIVE_HIGH),
- {} /* Terminating entry */
- },
-};
-
-static int simatic_ipc_leds_gpio_elkhartlake_probe(struct platform_device *pdev)
-{
- return simatic_ipc_leds_gpio_probe(pdev, &simatic_ipc_led_gpio_table,
- NULL);
-}
-
-static void simatic_ipc_leds_gpio_elkhartlake_remove(struct platform_device *pdev)
-{
- simatic_ipc_leds_gpio_remove(pdev, &simatic_ipc_led_gpio_table, NULL);
-}
-
-static struct platform_driver simatic_ipc_led_gpio_elkhartlake_driver = {
- .probe = simatic_ipc_leds_gpio_elkhartlake_probe,
- .remove = simatic_ipc_leds_gpio_elkhartlake_remove,
- .driver = {
- .name = KBUILD_MODNAME,
- },
-};
-module_platform_driver(simatic_ipc_led_gpio_elkhartlake_driver);
-
-MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Intel Elkhart Lake GPIO");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" KBUILD_MODNAME);
-MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core platform:elkhartlake-pinctrl");
-MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Siemens SIMATIC IPC driver for GPIO based LEDs
- *
- * Copyright (c) Siemens AG, 2023
- *
- * Author:
- * Henning Schild <henning.schild@siemens.com>
- */
-
-#include <linux/gpio/machine.h>
-#include <linux/gpio/consumer.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/platform_data/x86/simatic-ipc-base.h>
-
-#include "simatic-ipc-leds-gpio.h"
-
-struct simatic_ipc_led_tables {
- struct gpiod_lookup_table *led_lookup_table;
- struct gpiod_lookup_table *led_lookup_table_extra;
-};
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {
- .dev_id = "leds-gpio",
- .table = {
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 1, NULL, 1, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 2, NULL, 2, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 3, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 4, NULL, 4, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 5, NULL, 5, GPIO_ACTIVE_LOW),
- {} /* Terminating entry */
- },
-};
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table_extra_227g = {
- .dev_id = NULL, /* Filled during initialization */
- .table = {
- GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("gpio-f7188x-3", 7, NULL, 7, GPIO_ACTIVE_HIGH),
- {} /* Terminating entry */
- },
-};
-
-static struct gpiod_lookup_table simatic_ipc_led_gpio_table_bx_59a = {
- .dev_id = "leds-gpio",
- .table = {
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 0, NULL, 0, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 1, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-5", 3, NULL, 2, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-5", 2, NULL, 3, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-7", 7, NULL, 4, GPIO_ACTIVE_LOW),
- GPIO_LOOKUP_IDX("gpio-f7188x-7", 4, NULL, 5, GPIO_ACTIVE_LOW),
- {} /* Terminating entry */
- }
-};
-
-static int simatic_ipc_leds_gpio_f7188x_probe(struct platform_device *pdev)
-{
- const struct simatic_ipc_platform *plat = dev_get_platdata(&pdev->dev);
- struct simatic_ipc_led_tables *led_tables;
-
- led_tables = devm_kzalloc(&pdev->dev, sizeof(*led_tables), GFP_KERNEL);
- if (!led_tables)
- return -ENOMEM;
-
- switch (plat->devmode) {
- case SIMATIC_IPC_DEVICE_227G:
- led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_227g;
- led_tables->led_lookup_table_extra = &simatic_ipc_led_gpio_table_extra_227g;
- break;
- case SIMATIC_IPC_DEVICE_BX_59A:
- led_tables->led_lookup_table = &simatic_ipc_led_gpio_table_bx_59a;
- break;
- default:
- return -ENODEV;
- }
-
- platform_set_drvdata(pdev, led_tables);
- return simatic_ipc_leds_gpio_probe(pdev, led_tables->led_lookup_table,
- led_tables->led_lookup_table_extra);
-}
-
-static void simatic_ipc_leds_gpio_f7188x_remove(struct platform_device *pdev)
-{
- struct simatic_ipc_led_tables *led_tables = platform_get_drvdata(pdev);
-
- simatic_ipc_leds_gpio_remove(pdev, led_tables->led_lookup_table,
- led_tables->led_lookup_table_extra);
-}
-
-static struct platform_driver simatic_ipc_led_gpio_driver = {
- .probe = simatic_ipc_leds_gpio_f7188x_probe,
- .remove = simatic_ipc_leds_gpio_f7188x_remove,
- .driver = {
- .name = KBUILD_MODNAME,
- },
-};
-module_platform_driver(simatic_ipc_led_gpio_driver);
-
-MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs based on Nuvoton GPIO");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" KBUILD_MODNAME);
-MODULE_SOFTDEP("pre: simatic-ipc-leds-gpio-core gpio_f7188x");
-MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Siemens SIMATIC IPC driver for GPIO based LEDs
- *
- * Copyright (c) Siemens AG, 2023
- *
- * Author:
- * Henning Schild <henning.schild@siemens.com>
- */
-
-#ifndef _SIMATIC_IPC_LEDS_GPIO_H
-#define _SIMATIC_IPC_LEDS_GPIO_H
-
-int simatic_ipc_leds_gpio_probe(struct platform_device *pdev,
- struct gpiod_lookup_table *table,
- struct gpiod_lookup_table *table_extra);
-
-void simatic_ipc_leds_gpio_remove(struct platform_device *pdev,
- struct gpiod_lookup_table *table,
- struct gpiod_lookup_table *table_extra);
-
-#endif /* _SIMATIC_IPC_LEDS_GPIO_H */
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Siemens SIMATIC IPC driver for LEDs
- *
- * Copyright (c) Siemens AG, 2018-2021
- *
- * Authors:
- * Henning Schild <henning.schild@siemens.com>
- * Jan Kiszka <jan.kiszka@siemens.com>
- * Gerd Haeussler <gerd.haeussler.ext@siemens.com>
- */
-
-#include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/platform_data/x86/simatic-ipc-base.h>
-#include <linux/platform_device.h>
-#include <linux/sizes.h>
-#include <linux/spinlock.h>
-
-#define SIMATIC_IPC_LED_PORT_BASE 0x404E
-
-struct simatic_ipc_led {
- unsigned int value; /* mask for io */
- char *name;
- struct led_classdev cdev;
-};
-
-static struct simatic_ipc_led simatic_ipc_leds_io[] = {
- {1 << 15, "green:" LED_FUNCTION_STATUS "-1" },
- {1 << 7, "yellow:" LED_FUNCTION_STATUS "-1" },
- {1 << 14, "red:" LED_FUNCTION_STATUS "-2" },
- {1 << 6, "yellow:" LED_FUNCTION_STATUS "-2" },
- {1 << 13, "red:" LED_FUNCTION_STATUS "-3" },
- {1 << 5, "yellow:" LED_FUNCTION_STATUS "-3" },
- { }
-};
-
-static struct resource simatic_ipc_led_io_res =
- DEFINE_RES_IO_NAMED(SIMATIC_IPC_LED_PORT_BASE, SZ_2, KBUILD_MODNAME);
-
-static DEFINE_SPINLOCK(reg_lock);
-
-static inline struct simatic_ipc_led *cdev_to_led(struct led_classdev *led_cd)
-{
- return container_of(led_cd, struct simatic_ipc_led, cdev);
-}
-
-static void simatic_ipc_led_set_io(struct led_classdev *led_cd,
- enum led_brightness brightness)
-{
- struct simatic_ipc_led *led = cdev_to_led(led_cd);
- unsigned long flags;
- unsigned int val;
-
- spin_lock_irqsave(®_lock, flags);
-
- val = inw(SIMATIC_IPC_LED_PORT_BASE);
- if (brightness == LED_OFF)
- outw(val | led->value, SIMATIC_IPC_LED_PORT_BASE);
- else
- outw(val & ~led->value, SIMATIC_IPC_LED_PORT_BASE);
-
- spin_unlock_irqrestore(®_lock, flags);
-}
-
-static enum led_brightness simatic_ipc_led_get_io(struct led_classdev *led_cd)
-{
- struct simatic_ipc_led *led = cdev_to_led(led_cd);
-
- return inw(SIMATIC_IPC_LED_PORT_BASE) & led->value ? LED_OFF : led_cd->max_brightness;
-}
-
-static int simatic_ipc_leds_probe(struct platform_device *pdev)
-{
- const struct simatic_ipc_platform *plat = pdev->dev.platform_data;
- struct device *dev = &pdev->dev;
- struct simatic_ipc_led *ipcled;
- struct led_classdev *cdev;
- struct resource *res;
- int err;
-
- switch (plat->devmode) {
- case SIMATIC_IPC_DEVICE_227D:
- case SIMATIC_IPC_DEVICE_427E:
- res = &simatic_ipc_led_io_res;
- ipcled = simatic_ipc_leds_io;
- /* on 227D the two bytes work the other way araound */
- if (plat->devmode == SIMATIC_IPC_DEVICE_227D) {
- while (ipcled->value) {
- ipcled->value = swab16(ipcled->value);
- ipcled++;
- }
- ipcled = simatic_ipc_leds_io;
- }
- if (!devm_request_region(dev, res->start, resource_size(res), KBUILD_MODNAME)) {
- dev_err(dev, "Unable to register IO resource at %pR\n", res);
- return -EBUSY;
- }
- break;
- default:
- return -ENODEV;
- }
-
- while (ipcled->value) {
- cdev = &ipcled->cdev;
- cdev->brightness_set = simatic_ipc_led_set_io;
- cdev->brightness_get = simatic_ipc_led_get_io;
- cdev->max_brightness = LED_ON;
- cdev->name = ipcled->name;
-
- err = devm_led_classdev_register(dev, cdev);
- if (err < 0)
- return err;
- ipcled++;
- }
-
- return 0;
-}
-
-static struct platform_driver simatic_ipc_led_driver = {
- .probe = simatic_ipc_leds_probe,
- .driver = {
- .name = KBUILD_MODNAME,
- }
-};
-module_platform_driver(simatic_ipc_led_driver);
-
-MODULE_DESCRIPTION("LED driver for Siemens Simatic IPCs");
-MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" KBUILD_MODNAME);
-MODULE_AUTHOR("Henning Schild <henning.schild@siemens.com>");
projects / ceph-client.git / commitdiff