---help---
Support for Speedlink Vicious and Divine Cezanne mouse.
-config HID_STEELSERIES_SRWS1
+config HID_STEELSERIES
tristate "Steelseries SRW-S1 steering wheel support"
depends on USB_HID
---help---
obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o
obj-$(CONFIG_HID_SONY) += hid-sony.o
obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o
-obj-$(CONFIG_HID_STEELSERIES_SRWS1) += hid-steelseries-srws1.o
+obj-$(CONFIG_HID_STEELSERIES) += hid-steelseries.o
obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o
obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o
+++ /dev/null
-/*
- * HID driver for Steelseries SRW-S1
- *
- * Copyright (c) 2013 Simon Wood
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- */
-
-#include <linux/device.h>
-#include <linux/usb.h>
-#include <linux/hid.h>
-#include <linux/module.h>
-
-#include "usbhid/usbhid.h"
-#include "hid-ids.h"
-
-#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
-#define SRWS1_NUMBER_LEDS 15
-struct steelseries_srws1_data {
- __u16 led_state;
- struct led_classdev *led[SRWS1_NUMBER_LEDS];
-};
-#endif
-
-/* Fixed report descriptor for Steelseries SRW-S1 wheel controller
- *
- * The original descriptor hides the sensitivity and assists dials
- * a custom vendor usage page. This inserts a patch to make them
- * appear in the 'Generic Desktop' usage.
- */
-
-static __u8 steelseries_srws1_rdesc_fixed[] = {
-0x05, 0x01, /* Usage Page (Desktop) */
-0x09, 0x08, /* Usage (MultiAxis), Changed */
-0xA1, 0x01, /* Collection (Application), */
-0xA1, 0x02, /* Collection (Logical), */
-0x95, 0x01, /* Report Count (1), */
-0x05, 0x01, /* Changed Usage Page (Desktop), */
-0x09, 0x30, /* Changed Usage (X), */
-0x16, 0xF8, 0xF8, /* Logical Minimum (-1800), */
-0x26, 0x08, 0x07, /* Logical Maximum (1800), */
-0x65, 0x14, /* Unit (Degrees), */
-0x55, 0x0F, /* Unit Exponent (15), */
-0x75, 0x10, /* Report Size (16), */
-0x81, 0x02, /* Input (Variable), */
-0x09, 0x31, /* Changed Usage (Y), */
-0x15, 0x00, /* Logical Minimum (0), */
-0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
-0x75, 0x0C, /* Report Size (12), */
-0x81, 0x02, /* Input (Variable), */
-0x09, 0x32, /* Changed Usage (Z), */
-0x15, 0x00, /* Logical Minimum (0), */
-0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
-0x75, 0x0C, /* Report Size (12), */
-0x81, 0x02, /* Input (Variable), */
-0x05, 0x01, /* Usage Page (Desktop), */
-0x09, 0x39, /* Usage (Hat Switch), */
-0x25, 0x07, /* Logical Maximum (7), */
-0x35, 0x00, /* Physical Minimum (0), */
-0x46, 0x3B, 0x01, /* Physical Maximum (315), */
-0x65, 0x14, /* Unit (Degrees), */
-0x75, 0x04, /* Report Size (4), */
-0x95, 0x01, /* Report Count (1), */
-0x81, 0x02, /* Input (Variable), */
-0x25, 0x01, /* Logical Maximum (1), */
-0x45, 0x01, /* Physical Maximum (1), */
-0x65, 0x00, /* Unit, */
-0x75, 0x01, /* Report Size (1), */
-0x95, 0x03, /* Report Count (3), */
-0x81, 0x01, /* Input (Constant), */
-0x05, 0x09, /* Usage Page (Button), */
-0x19, 0x01, /* Usage Minimum (01h), */
-0x29, 0x11, /* Usage Maximum (11h), */
-0x95, 0x11, /* Report Count (17), */
-0x81, 0x02, /* Input (Variable), */
- /* ---- Dial patch starts here ---- */
-0x05, 0x01, /* Usage Page (Desktop), */
-0x09, 0x33, /* Usage (RX), */
-0x75, 0x04, /* Report Size (4), */
-0x95, 0x02, /* Report Count (2), */
-0x15, 0x00, /* Logical Minimum (0), */
-0x25, 0x0b, /* Logical Maximum (b), */
-0x81, 0x02, /* Input (Variable), */
-0x09, 0x35, /* Usage (RZ), */
-0x75, 0x04, /* Report Size (4), */
-0x95, 0x01, /* Report Count (1), */
-0x25, 0x03, /* Logical Maximum (3), */
-0x81, 0x02, /* Input (Variable), */
- /* ---- Dial patch ends here ---- */
-0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
-0x09, 0x01, /* Usage (01h), */
-0x75, 0x04, /* Changed Report Size (4), */
-0x95, 0x0D, /* Changed Report Count (13), */
-0x81, 0x02, /* Input (Variable), */
-0xC0, /* End Collection, */
-0xA1, 0x02, /* Collection (Logical), */
-0x09, 0x02, /* Usage (02h), */
-0x75, 0x08, /* Report Size (8), */
-0x95, 0x10, /* Report Count (16), */
-0x91, 0x02, /* Output (Variable), */
-0xC0, /* End Collection, */
-0xC0 /* End Collection */
-};
-
-#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
-static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
-{
- struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
- struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
- __s32 *value = report->field[0]->value;
-
- value[0] = 0x40;
- value[1] = leds & 0xFF;
- value[2] = leds >> 8;
- value[3] = 0x00;
- value[4] = 0x00;
- value[5] = 0x00;
- value[6] = 0x00;
- value[7] = 0x00;
- value[8] = 0x00;
- value[9] = 0x00;
- value[10] = 0x00;
- value[11] = 0x00;
- value[12] = 0x00;
- value[13] = 0x00;
- value[14] = 0x00;
- value[15] = 0x00;
-
- usbhid_submit_report(hdev, report, USB_DIR_OUT);
-
- /* Note: LED change does not show on device until the device is read/polled */
-}
-
-static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
-
- if (!drv_data) {
- hid_err(hid, "Device data not found.");
- return;
- }
-
- if (value == LED_OFF)
- drv_data->led_state = 0;
- else
- drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
-
- steelseries_srws1_set_leds(hid, drv_data->led_state);
-}
-
-static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct steelseries_srws1_data *drv_data;
-
- drv_data = hid_get_drvdata(hid);
-
- if (!drv_data) {
- hid_err(hid, "Device data not found.");
- return LED_OFF;
- }
-
- return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
-}
-
-static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
- int i, state = 0;
-
- if (!drv_data) {
- hid_err(hid, "Device data not found.");
- return;
- }
-
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
- if (led_cdev != drv_data->led[i])
- continue;
-
- state = (drv_data->led_state >> i) & 1;
- if (value == LED_OFF && state) {
- drv_data->led_state &= ~(1 << i);
- steelseries_srws1_set_leds(hid, drv_data->led_state);
- } else if (value != LED_OFF && !state) {
- drv_data->led_state |= 1 << i;
- steelseries_srws1_set_leds(hid, drv_data->led_state);
- }
- break;
- }
-}
-
-static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev)
-{
- struct device *dev = led_cdev->dev->parent;
- struct hid_device *hid = container_of(dev, struct hid_device, dev);
- struct steelseries_srws1_data *drv_data;
- int i, value = 0;
-
- drv_data = hid_get_drvdata(hid);
-
- if (!drv_data) {
- hid_err(hid, "Device data not found.");
- return LED_OFF;
- }
-
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
- if (led_cdev == drv_data->led[i]) {
- value = (drv_data->led_state >> i) & 1;
- break;
- }
-
- return value ? LED_FULL : LED_OFF;
-}
-
-static int steelseries_srws1_probe(struct hid_device *hdev,
- const struct hid_device_id *id)
-{
- int ret, i;
- struct led_classdev *led;
- size_t name_sz;
- char *name;
-
- struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
-
- if (drv_data == NULL) {
- hid_err(hdev, "can't alloc SRW-S1 memory\n");
- return -ENOMEM;
- }
-
- hid_set_drvdata(hdev, drv_data);
-
- ret = hid_parse(hdev);
- if (ret) {
- hid_err(hdev, "parse failed\n");
- goto err_free;
- }
-
- ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
- if (ret) {
- hid_err(hdev, "hw start failed\n");
- goto err_free;
- }
-
- /* register led subsystem */
- drv_data->led_state = 0;
- for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
- drv_data->led[i] = NULL;
-
- steelseries_srws1_set_leds(hdev, 0);
-
- name_sz = strlen(hdev->uniq) + 16;
-
- /* 'ALL', for setting all LEDs simultaneously */
- led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
- if (!led) {
- hid_err(hdev, "can't allocate memory for LED ALL\n");
- goto err_led;
- }
-
- name = (void *)(&led[1]);
- snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
- led->name = name;
- led->brightness = 0;
- led->max_brightness = 1;
- led->brightness_get = steelseries_srws1_led_all_get_brightness;
- led->brightness_set = steelseries_srws1_led_all_set_brightness;
-
- drv_data->led[SRWS1_NUMBER_LEDS] = led;
- ret = led_classdev_register(&hdev->dev, led);
- if (ret)
- goto err_led;
-
- /* Each individual LED */
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
- led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
- if (!led) {
- hid_err(hdev, "can't allocate memory for LED %d\n", i);
- goto err_led;
- }
-
- name = (void *)(&led[1]);
- snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1);
- led->name = name;
- led->brightness = 0;
- led->max_brightness = 1;
- led->brightness_get = steelseries_srws1_led_get_brightness;
- led->brightness_set = steelseries_srws1_led_set_brightness;
-
- drv_data->led[i] = led;
- ret = led_classdev_register(&hdev->dev, led);
-
- if (ret) {
- hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
-err_led:
- /* Deregister all LEDs (if any) */
- for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
- led = drv_data->led[i];
- drv_data->led[i] = NULL;
- if (!led)
- continue;
- led_classdev_unregister(led);
- kfree(led);
- }
- goto out; /* but let the driver continue without LEDs */
- }
- }
-out:
- return 0;
-err_free:
- kfree(drv_data);
- return ret;
-}
-
-static void steelseries_srws1_remove(struct hid_device *hdev)
-{
- int i;
- struct led_classdev *led;
-
- struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev);
-
- if (drv_data) {
- /* Deregister LEDs (if any) */
- for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
- led = drv_data->led[i];
- drv_data->led[i] = NULL;
- if (!led)
- continue;
- led_classdev_unregister(led);
- kfree(led);
- }
-
- }
-
- hid_hw_stop(hdev);
- kfree(drv_data);
- return;
-}
-#endif
-
-static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
- unsigned int *rsize)
-{
- if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
- && rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
- hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
- rdesc = steelseries_srws1_rdesc_fixed;
- *rsize = sizeof(steelseries_srws1_rdesc_fixed);
- }
- return rdesc;
-}
-
-static const struct hid_device_id steelseries_srws1_devices[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
- { }
-};
-MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
-
-static struct hid_driver steelseries_srws1_driver = {
- .name = "steelseries_srws1",
- .id_table = steelseries_srws1_devices,
-#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
- .probe = steelseries_srws1_probe,
- .remove = steelseries_srws1_remove,
-#endif
- .report_fixup = steelseries_srws1_report_fixup
-};
-
-static int __init steelseries_srws1_init(void)
-{
- return hid_register_driver(&steelseries_srws1_driver);
-}
-
-static void __exit steelseries_srws1_exit(void)
-{
- hid_unregister_driver(&steelseries_srws1_driver);
-}
-
-module_init(steelseries_srws1_init);
-module_exit(steelseries_srws1_exit);
-MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * HID driver for Steelseries SRW-S1
+ *
+ * Copyright (c) 2013 Simon Wood
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/device.h>
+#include <linux/usb.h>
+#include <linux/hid.h>
+#include <linux/module.h>
+
+#include "usbhid/usbhid.h"
+#include "hid-ids.h"
+
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+#define SRWS1_NUMBER_LEDS 15
+struct steelseries_srws1_data {
+ __u16 led_state;
+ struct led_classdev *led[SRWS1_NUMBER_LEDS];
+};
+#endif
+
+/* Fixed report descriptor for Steelseries SRW-S1 wheel controller
+ *
+ * The original descriptor hides the sensitivity and assists dials
+ * a custom vendor usage page. This inserts a patch to make them
+ * appear in the 'Generic Desktop' usage.
+ */
+
+static __u8 steelseries_srws1_rdesc_fixed[] = {
+0x05, 0x01, /* Usage Page (Desktop) */
+0x09, 0x08, /* Usage (MultiAxis), Changed */
+0xA1, 0x01, /* Collection (Application), */
+0xA1, 0x02, /* Collection (Logical), */
+0x95, 0x01, /* Report Count (1), */
+0x05, 0x01, /* Changed Usage Page (Desktop), */
+0x09, 0x30, /* Changed Usage (X), */
+0x16, 0xF8, 0xF8, /* Logical Minimum (-1800), */
+0x26, 0x08, 0x07, /* Logical Maximum (1800), */
+0x65, 0x14, /* Unit (Degrees), */
+0x55, 0x0F, /* Unit Exponent (15), */
+0x75, 0x10, /* Report Size (16), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x31, /* Changed Usage (Y), */
+0x15, 0x00, /* Logical Minimum (0), */
+0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
+0x75, 0x0C, /* Report Size (12), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x32, /* Changed Usage (Z), */
+0x15, 0x00, /* Logical Minimum (0), */
+0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
+0x75, 0x0C, /* Report Size (12), */
+0x81, 0x02, /* Input (Variable), */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x09, 0x39, /* Usage (Hat Switch), */
+0x25, 0x07, /* Logical Maximum (7), */
+0x35, 0x00, /* Physical Minimum (0), */
+0x46, 0x3B, 0x01, /* Physical Maximum (315), */
+0x65, 0x14, /* Unit (Degrees), */
+0x75, 0x04, /* Report Size (4), */
+0x95, 0x01, /* Report Count (1), */
+0x81, 0x02, /* Input (Variable), */
+0x25, 0x01, /* Logical Maximum (1), */
+0x45, 0x01, /* Physical Maximum (1), */
+0x65, 0x00, /* Unit, */
+0x75, 0x01, /* Report Size (1), */
+0x95, 0x03, /* Report Count (3), */
+0x81, 0x01, /* Input (Constant), */
+0x05, 0x09, /* Usage Page (Button), */
+0x19, 0x01, /* Usage Minimum (01h), */
+0x29, 0x11, /* Usage Maximum (11h), */
+0x95, 0x11, /* Report Count (17), */
+0x81, 0x02, /* Input (Variable), */
+ /* ---- Dial patch starts here ---- */
+0x05, 0x01, /* Usage Page (Desktop), */
+0x09, 0x33, /* Usage (RX), */
+0x75, 0x04, /* Report Size (4), */
+0x95, 0x02, /* Report Count (2), */
+0x15, 0x00, /* Logical Minimum (0), */
+0x25, 0x0b, /* Logical Maximum (b), */
+0x81, 0x02, /* Input (Variable), */
+0x09, 0x35, /* Usage (RZ), */
+0x75, 0x04, /* Report Size (4), */
+0x95, 0x01, /* Report Count (1), */
+0x25, 0x03, /* Logical Maximum (3), */
+0x81, 0x02, /* Input (Variable), */
+ /* ---- Dial patch ends here ---- */
+0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
+0x09, 0x01, /* Usage (01h), */
+0x75, 0x04, /* Changed Report Size (4), */
+0x95, 0x0D, /* Changed Report Count (13), */
+0x81, 0x02, /* Input (Variable), */
+0xC0, /* End Collection, */
+0xA1, 0x02, /* Collection (Logical), */
+0x09, 0x02, /* Usage (02h), */
+0x75, 0x08, /* Report Size (8), */
+0x95, 0x10, /* Report Count (16), */
+0x91, 0x02, /* Output (Variable), */
+0xC0, /* End Collection, */
+0xC0 /* End Collection */
+};
+
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
+{
+ struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
+ struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
+ __s32 *value = report->field[0]->value;
+
+ value[0] = 0x40;
+ value[1] = leds & 0xFF;
+ value[2] = leds >> 8;
+ value[3] = 0x00;
+ value[4] = 0x00;
+ value[5] = 0x00;
+ value[6] = 0x00;
+ value[7] = 0x00;
+ value[8] = 0x00;
+ value[9] = 0x00;
+ value[10] = 0x00;
+ value[11] = 0x00;
+ value[12] = 0x00;
+ value[13] = 0x00;
+ value[14] = 0x00;
+ value[15] = 0x00;
+
+ usbhid_submit_report(hdev, report, USB_DIR_OUT);
+
+ /* Note: LED change does not show on device until the device is read/polled */
+}
+
+static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return;
+ }
+
+ if (value == LED_OFF)
+ drv_data->led_state = 0;
+ else
+ drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
+
+ steelseries_srws1_set_leds(hid, drv_data->led_state);
+}
+
+static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data;
+
+ drv_data = hid_get_drvdata(hid);
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return LED_OFF;
+ }
+
+ return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
+}
+
+static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
+ int i, state = 0;
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return;
+ }
+
+ for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+ if (led_cdev != drv_data->led[i])
+ continue;
+
+ state = (drv_data->led_state >> i) & 1;
+ if (value == LED_OFF && state) {
+ drv_data->led_state &= ~(1 << i);
+ steelseries_srws1_set_leds(hid, drv_data->led_state);
+ } else if (value != LED_OFF && !state) {
+ drv_data->led_state |= 1 << i;
+ steelseries_srws1_set_leds(hid, drv_data->led_state);
+ }
+ break;
+ }
+}
+
+static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data;
+ int i, value = 0;
+
+ drv_data = hid_get_drvdata(hid);
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return LED_OFF;
+ }
+
+ for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
+ if (led_cdev == drv_data->led[i]) {
+ value = (drv_data->led_state >> i) & 1;
+ break;
+ }
+
+ return value ? LED_FULL : LED_OFF;
+}
+
+static int steelseries_srws1_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret, i;
+ struct led_classdev *led;
+ size_t name_sz;
+ char *name;
+
+ struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
+
+ if (drv_data == NULL) {
+ hid_err(hdev, "can't alloc SRW-S1 memory\n");
+ return -ENOMEM;
+ }
+
+ hid_set_drvdata(hdev, drv_data);
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "parse failed\n");
+ goto err_free;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (ret) {
+ hid_err(hdev, "hw start failed\n");
+ goto err_free;
+ }
+
+ /* register led subsystem */
+ drv_data->led_state = 0;
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
+ drv_data->led[i] = NULL;
+
+ steelseries_srws1_set_leds(hdev, 0);
+
+ name_sz = strlen(hdev->uniq) + 16;
+
+ /* 'ALL', for setting all LEDs simultaneously */
+ led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+ if (!led) {
+ hid_err(hdev, "can't allocate memory for LED ALL\n");
+ goto err_led;
+ }
+
+ name = (void *)(&led[1]);
+ snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
+ led->name = name;
+ led->brightness = 0;
+ led->max_brightness = 1;
+ led->brightness_get = steelseries_srws1_led_all_get_brightness;
+ led->brightness_set = steelseries_srws1_led_all_set_brightness;
+
+ drv_data->led[SRWS1_NUMBER_LEDS] = led;
+ ret = led_classdev_register(&hdev->dev, led);
+ if (ret)
+ goto err_led;
+
+ /* Each individual LED */
+ for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+ led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+ if (!led) {
+ hid_err(hdev, "can't allocate memory for LED %d\n", i);
+ goto err_led;
+ }
+
+ name = (void *)(&led[1]);
+ snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1);
+ led->name = name;
+ led->brightness = 0;
+ led->max_brightness = 1;
+ led->brightness_get = steelseries_srws1_led_get_brightness;
+ led->brightness_set = steelseries_srws1_led_set_brightness;
+
+ drv_data->led[i] = led;
+ ret = led_classdev_register(&hdev->dev, led);
+
+ if (ret) {
+ hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
+err_led:
+ /* Deregister all LEDs (if any) */
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
+ led = drv_data->led[i];
+ drv_data->led[i] = NULL;
+ if (!led)
+ continue;
+ led_classdev_unregister(led);
+ kfree(led);
+ }
+ goto out; /* but let the driver continue without LEDs */
+ }
+ }
+out:
+ return 0;
+err_free:
+ kfree(drv_data);
+ return ret;
+}
+
+static void steelseries_srws1_remove(struct hid_device *hdev)
+{
+ int i;
+ struct led_classdev *led;
+
+ struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev);
+
+ if (drv_data) {
+ /* Deregister LEDs (if any) */
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
+ led = drv_data->led[i];
+ drv_data->led[i] = NULL;
+ if (!led)
+ continue;
+ led_classdev_unregister(led);
+ kfree(led);
+ }
+
+ }
+
+ hid_hw_stop(hdev);
+ kfree(drv_data);
+ return;
+}
+#endif
+
+static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int *rsize)
+{
+ if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
+ && rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
+ hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
+ rdesc = steelseries_srws1_rdesc_fixed;
+ *rsize = sizeof(steelseries_srws1_rdesc_fixed);
+ }
+ return rdesc;
+}
+
+static const struct hid_device_id steelseries_srws1_devices[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
+
+static struct hid_driver steelseries_srws1_driver = {
+ .name = "steelseries_srws1",
+ .id_table = steelseries_srws1_devices,
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+ .probe = steelseries_srws1_probe,
+ .remove = steelseries_srws1_remove,
+#endif
+ .report_fixup = steelseries_srws1_report_fixup
+};
+
+static int __init steelseries_srws1_init(void)
+{
+ return hid_register_driver(&steelseries_srws1_driver);
+}
+
+static void __exit steelseries_srws1_exit(void)
+{
+ hid_unregister_driver(&steelseries_srws1_driver);
+}
+
+module_init(steelseries_srws1_init);
+module_exit(steelseries_srws1_exit);
+MODULE_LICENSE("GPL");
projects / firefly-linux-kernel-4.4.55.git / commitdiff