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-rw-r--r--Documentation/ABI/testing/sysfs-driver-hid-srws121
-rw-r--r--drivers/hid/Kconfig6
-rw-r--r--drivers/hid/Makefile1
-rw-r--r--drivers/hid/hid-core.c1
-rw-r--r--drivers/hid/hid-ids.h4
-rw-r--r--drivers/hid/hid-sony.c46
-rw-r--r--drivers/hid/hid-steelseries.c393
7 files changed, 469 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-srws1 b/Documentation/ABI/testing/sysfs-driver-hid-srws1
new file mode 100644
index 000000000000..d0eba70c7d40
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-driver-hid-srws1
@@ -0,0 +1,21 @@
1What: /sys/class/leds/SRWS1::<serial>::RPM1
2What: /sys/class/leds/SRWS1::<serial>::RPM2
3What: /sys/class/leds/SRWS1::<serial>::RPM3
4What: /sys/class/leds/SRWS1::<serial>::RPM4
5What: /sys/class/leds/SRWS1::<serial>::RPM5
6What: /sys/class/leds/SRWS1::<serial>::RPM6
7What: /sys/class/leds/SRWS1::<serial>::RPM7
8What: /sys/class/leds/SRWS1::<serial>::RPM8
9What: /sys/class/leds/SRWS1::<serial>::RPM9
10What: /sys/class/leds/SRWS1::<serial>::RPM10
11What: /sys/class/leds/SRWS1::<serial>::RPM11
12What: /sys/class/leds/SRWS1::<serial>::RPM12
13What: /sys/class/leds/SRWS1::<serial>::RPM13
14What: /sys/class/leds/SRWS1::<serial>::RPM14
15What: /sys/class/leds/SRWS1::<serial>::RPM15
16What: /sys/class/leds/SRWS1::<serial>::RPMALL
17Date: Jan 2013
18KernelVersion: 3.9
19Contact: Simon Wood <simon@mungewell.org>
20Description: Provides a control for turning on/off the LEDs which form
21 an RPM meter on the front of the controller
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 3d5294531ba5..f25666d72217 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -596,6 +596,12 @@ config HID_SPEEDLINK
596 ---help--- 596 ---help---
597 Support for Speedlink Vicious and Divine Cezanne mouse. 597 Support for Speedlink Vicious and Divine Cezanne mouse.
598 598
599config HID_STEELSERIES
600 tristate "Steelseries SRW-S1 steering wheel support"
601 depends on USB_HID
602 ---help---
603 Support for Steelseries SRW-S1 steering wheel
604
599config HID_SUNPLUS 605config HID_SUNPLUS
600 tristate "Sunplus wireless desktop" 606 tristate "Sunplus wireless desktop"
601 depends on USB_HID 607 depends on USB_HID
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 93017043f6f8..72d1b0bc0a97 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -101,6 +101,7 @@ obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o
101obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o 101obj-$(CONFIG_HID_SMARTJOYPLUS) += hid-sjoy.o
102obj-$(CONFIG_HID_SONY) += hid-sony.o 102obj-$(CONFIG_HID_SONY) += hid-sony.o
103obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o 103obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o
104obj-$(CONFIG_HID_STEELSERIES) += hid-steelseries.o
104obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o 105obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
105obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o 106obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o
106obj-$(CONFIG_HID_THINGM) += hid-thingm.o 107obj-$(CONFIG_HID_THINGM) += hid-thingm.o
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 6e904155ded5..ff75cabf7393 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1702,6 +1702,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
1702 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, 1702 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1703 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, 1703 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1704 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, 1704 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, 1706 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1706 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, 1707 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1707 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, 1708 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index d15ed561136c..6e5c2ffa8d96 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -715,6 +715,7 @@
715 715
716#define USB_VENDOR_ID_SONY 0x054c 716#define USB_VENDOR_ID_SONY 0x054c
717#define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b 717#define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b
718#define USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE 0x0374
718#define USB_DEVICE_ID_SONY_PS3_BDREMOTE 0x0306 719#define USB_DEVICE_ID_SONY_PS3_BDREMOTE 0x0306
719#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 720#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268
720#define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f 721#define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f
@@ -732,6 +733,9 @@
732#define USB_VENDOR_ID_STANTUM_SITRONIX 0x1403 733#define USB_VENDOR_ID_STANTUM_SITRONIX 0x1403
733#define USB_DEVICE_ID_MTP_SITRONIX 0x5001 734#define USB_DEVICE_ID_MTP_SITRONIX 0x5001
734 735
736#define USB_VENDOR_ID_STEELSERIES 0x1038
737#define USB_DEVICE_ID_STEELSERIES_SRWS1 0x1410
738
735#define USB_VENDOR_ID_SUN 0x0430 739#define USB_VENDOR_ID_SUN 0x0430
736#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab 740#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
737 741
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 23fc762e8633..312098e4af4f 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -33,6 +33,28 @@ static const u8 sixaxis_rdesc_fixup[] = {
33 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02 33 0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
34}; 34};
35 35
36static const u8 sixaxis_rdesc_fixup2[] = {
37 0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02,
38 0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00,
39 0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95,
40 0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45,
41 0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81,
42 0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff,
43 0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
44 0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95,
45 0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30,
46 0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02,
47 0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81,
48 0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95,
49 0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09,
50 0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02,
51 0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02,
52 0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95,
53 0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02,
54 0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01,
55 0xb1, 0x02, 0xc0, 0xc0,
56};
57
36struct sony_sc { 58struct sony_sc {
37 unsigned long quirks; 59 unsigned long quirks;
38}; 60};
@@ -43,9 +65,19 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
43{ 65{
44 struct sony_sc *sc = hid_get_drvdata(hdev); 66 struct sony_sc *sc = hid_get_drvdata(hdev);
45 67
46 if ((sc->quirks & VAIO_RDESC_CONSTANT) && 68 /*
47 *rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { 69 * Some Sony RF receivers wrongly declare the mouse pointer as a
48 hid_info(hdev, "Fixing up Sony Vaio VGX report descriptor\n"); 70 * a constant non-data variable.
71 */
72 if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
73 /* usage page: generic desktop controls */
74 /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
75 /* usage: mouse */
76 rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
77 /* input (usage page for x,y axes): constant, variable, relative */
78 rdesc[54] == 0x81 && rdesc[55] == 0x07) {
79 hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
80 /* input: data, variable, relative */
49 rdesc[55] = 0x06; 81 rdesc[55] = 0x06;
50 } 82 }
51 83
@@ -56,6 +88,12 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
56 hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n"); 88 hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
57 memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup, 89 memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
58 sizeof(sixaxis_rdesc_fixup)); 90 sizeof(sixaxis_rdesc_fixup));
91 } else if (sc->quirks & SIXAXIS_CONTROLLER_USB &&
92 *rsize > sizeof(sixaxis_rdesc_fixup2)) {
93 hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n",
94 *rsize, (int)sizeof(sixaxis_rdesc_fixup2));
95 *rsize = sizeof(sixaxis_rdesc_fixup2);
96 memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize);
59 } 97 }
60 return rdesc; 98 return rdesc;
61} 99}
@@ -217,6 +255,8 @@ static const struct hid_device_id sony_devices[] = {
217 .driver_data = SIXAXIS_CONTROLLER_BT }, 255 .driver_data = SIXAXIS_CONTROLLER_BT },
218 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), 256 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
219 .driver_data = VAIO_RDESC_CONSTANT }, 257 .driver_data = VAIO_RDESC_CONSTANT },
258 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
259 .driver_data = VAIO_RDESC_CONSTANT },
220 { } 260 { }
221}; 261};
222MODULE_DEVICE_TABLE(hid, sony_devices); 262MODULE_DEVICE_TABLE(hid, sony_devices);
diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c
new file mode 100644
index 000000000000..2ed995cda44a
--- /dev/null
+++ b/drivers/hid/hid-steelseries.c
@@ -0,0 +1,393 @@
1/*
2 * HID driver for Steelseries SRW-S1
3 *
4 * Copyright (c) 2013 Simon Wood
5 */
6
7/*
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 */
13
14#include <linux/device.h>
15#include <linux/usb.h>
16#include <linux/hid.h>
17#include <linux/module.h>
18
19#include "usbhid/usbhid.h"
20#include "hid-ids.h"
21
22#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
23#define SRWS1_NUMBER_LEDS 15
24struct steelseries_srws1_data {
25 __u16 led_state;
26 /* the last element is used for setting all leds simultaneously */
27 struct led_classdev *led[SRWS1_NUMBER_LEDS + 1];
28};
29#endif
30
31/* Fixed report descriptor for Steelseries SRW-S1 wheel controller
32 *
33 * The original descriptor hides the sensitivity and assists dials
34 * a custom vendor usage page. This inserts a patch to make them
35 * appear in the 'Generic Desktop' usage.
36 */
37
38static __u8 steelseries_srws1_rdesc_fixed[] = {
390x05, 0x01, /* Usage Page (Desktop) */
400x09, 0x08, /* Usage (MultiAxis), Changed */
410xA1, 0x01, /* Collection (Application), */
420xA1, 0x02, /* Collection (Logical), */
430x95, 0x01, /* Report Count (1), */
440x05, 0x01, /* Changed Usage Page (Desktop), */
450x09, 0x30, /* Changed Usage (X), */
460x16, 0xF8, 0xF8, /* Logical Minimum (-1800), */
470x26, 0x08, 0x07, /* Logical Maximum (1800), */
480x65, 0x14, /* Unit (Degrees), */
490x55, 0x0F, /* Unit Exponent (15), */
500x75, 0x10, /* Report Size (16), */
510x81, 0x02, /* Input (Variable), */
520x09, 0x31, /* Changed Usage (Y), */
530x15, 0x00, /* Logical Minimum (0), */
540x26, 0xFF, 0x03, /* Logical Maximum (1023), */
550x75, 0x0C, /* Report Size (12), */
560x81, 0x02, /* Input (Variable), */
570x09, 0x32, /* Changed Usage (Z), */
580x15, 0x00, /* Logical Minimum (0), */
590x26, 0xFF, 0x03, /* Logical Maximum (1023), */
600x75, 0x0C, /* Report Size (12), */
610x81, 0x02, /* Input (Variable), */
620x05, 0x01, /* Usage Page (Desktop), */
630x09, 0x39, /* Usage (Hat Switch), */
640x25, 0x07, /* Logical Maximum (7), */
650x35, 0x00, /* Physical Minimum (0), */
660x46, 0x3B, 0x01, /* Physical Maximum (315), */
670x65, 0x14, /* Unit (Degrees), */
680x75, 0x04, /* Report Size (4), */
690x95, 0x01, /* Report Count (1), */
700x81, 0x02, /* Input (Variable), */
710x25, 0x01, /* Logical Maximum (1), */
720x45, 0x01, /* Physical Maximum (1), */
730x65, 0x00, /* Unit, */
740x75, 0x01, /* Report Size (1), */
750x95, 0x03, /* Report Count (3), */
760x81, 0x01, /* Input (Constant), */
770x05, 0x09, /* Usage Page (Button), */
780x19, 0x01, /* Usage Minimum (01h), */
790x29, 0x11, /* Usage Maximum (11h), */
800x95, 0x11, /* Report Count (17), */
810x81, 0x02, /* Input (Variable), */
82 /* ---- Dial patch starts here ---- */
830x05, 0x01, /* Usage Page (Desktop), */
840x09, 0x33, /* Usage (RX), */
850x75, 0x04, /* Report Size (4), */
860x95, 0x02, /* Report Count (2), */
870x15, 0x00, /* Logical Minimum (0), */
880x25, 0x0b, /* Logical Maximum (b), */
890x81, 0x02, /* Input (Variable), */
900x09, 0x35, /* Usage (RZ), */
910x75, 0x04, /* Report Size (4), */
920x95, 0x01, /* Report Count (1), */
930x25, 0x03, /* Logical Maximum (3), */
940x81, 0x02, /* Input (Variable), */
95 /* ---- Dial patch ends here ---- */
960x06, 0x00, 0xFF, /* Usage Page (FF00h), */
970x09, 0x01, /* Usage (01h), */
980x75, 0x04, /* Changed Report Size (4), */
990x95, 0x0D, /* Changed Report Count (13), */
1000x81, 0x02, /* Input (Variable), */
1010xC0, /* End Collection, */
1020xA1, 0x02, /* Collection (Logical), */
1030x09, 0x02, /* Usage (02h), */
1040x75, 0x08, /* Report Size (8), */
1050x95, 0x10, /* Report Count (16), */
1060x91, 0x02, /* Output (Variable), */
1070xC0, /* End Collection, */
1080xC0 /* End Collection */
109};
110
111#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
112static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
113{
114 struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
115 struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
116 __s32 *value = report->field[0]->value;
117
118 value[0] = 0x40;
119 value[1] = leds & 0xFF;
120 value[2] = leds >> 8;
121 value[3] = 0x00;
122 value[4] = 0x00;
123 value[5] = 0x00;
124 value[6] = 0x00;
125 value[7] = 0x00;
126 value[8] = 0x00;
127 value[9] = 0x00;
128 value[10] = 0x00;
129 value[11] = 0x00;
130 value[12] = 0x00;
131 value[13] = 0x00;
132 value[14] = 0x00;
133 value[15] = 0x00;
134
135 usbhid_submit_report(hdev, report, USB_DIR_OUT);
136
137 /* Note: LED change does not show on device until the device is read/polled */
138}
139
140static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
141 enum led_brightness value)
142{
143 struct device *dev = led_cdev->dev->parent;
144 struct hid_device *hid = container_of(dev, struct hid_device, dev);
145 struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
146
147 if (!drv_data) {
148 hid_err(hid, "Device data not found.");
149 return;
150 }
151
152 if (value == LED_OFF)
153 drv_data->led_state = 0;
154 else
155 drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
156
157 steelseries_srws1_set_leds(hid, drv_data->led_state);
158}
159
160static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
161{
162 struct device *dev = led_cdev->dev->parent;
163 struct hid_device *hid = container_of(dev, struct hid_device, dev);
164 struct steelseries_srws1_data *drv_data;
165
166 drv_data = hid_get_drvdata(hid);
167
168 if (!drv_data) {
169 hid_err(hid, "Device data not found.");
170 return LED_OFF;
171 }
172
173 return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
174}
175
176static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
177 enum led_brightness value)
178{
179 struct device *dev = led_cdev->dev->parent;
180 struct hid_device *hid = container_of(dev, struct hid_device, dev);
181 struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
182 int i, state = 0;
183
184 if (!drv_data) {
185 hid_err(hid, "Device data not found.");
186 return;
187 }
188
189 for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
190 if (led_cdev != drv_data->led[i])
191 continue;
192
193 state = (drv_data->led_state >> i) & 1;
194 if (value == LED_OFF && state) {
195 drv_data->led_state &= ~(1 << i);
196 steelseries_srws1_set_leds(hid, drv_data->led_state);
197 } else if (value != LED_OFF && !state) {
198 drv_data->led_state |= 1 << i;
199 steelseries_srws1_set_leds(hid, drv_data->led_state);
200 }
201 break;
202 }
203}
204
205static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev)
206{
207 struct device *dev = led_cdev->dev->parent;
208 struct hid_device *hid = container_of(dev, struct hid_device, dev);
209 struct steelseries_srws1_data *drv_data;
210 int i, value = 0;
211
212 drv_data = hid_get_drvdata(hid);
213
214 if (!drv_data) {
215 hid_err(hid, "Device data not found.");
216 return LED_OFF;
217 }
218
219 for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
220 if (led_cdev == drv_data->led[i]) {
221 value = (drv_data->led_state >> i) & 1;
222 break;
223 }
224
225 return value ? LED_FULL : LED_OFF;
226}
227
228static int steelseries_srws1_probe(struct hid_device *hdev,
229 const struct hid_device_id *id)
230{
231 int ret, i;
232 struct led_classdev *led;
233 size_t name_sz;
234 char *name;
235
236 struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
237
238 if (drv_data == NULL) {
239 hid_err(hdev, "can't alloc SRW-S1 memory\n");
240 return -ENOMEM;
241 }
242
243 hid_set_drvdata(hdev, drv_data);
244
245 ret = hid_parse(hdev);
246 if (ret) {
247 hid_err(hdev, "parse failed\n");
248 goto err_free;
249 }
250
251 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
252 if (ret) {
253 hid_err(hdev, "hw start failed\n");
254 goto err_free;
255 }
256
257 /* register led subsystem */
258 drv_data->led_state = 0;
259 for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
260 drv_data->led[i] = NULL;
261
262 steelseries_srws1_set_leds(hdev, 0);
263
264 name_sz = strlen(hdev->uniq) + 16;
265
266 /* 'ALL', for setting all LEDs simultaneously */
267 led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
268 if (!led) {
269 hid_err(hdev, "can't allocate memory for LED ALL\n");
270 goto err_led;
271 }
272
273 name = (void *)(&led[1]);
274 snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
275 led->name = name;
276 led->brightness = 0;
277 led->max_brightness = 1;
278 led->brightness_get = steelseries_srws1_led_all_get_brightness;
279 led->brightness_set = steelseries_srws1_led_all_set_brightness;
280
281 drv_data->led[SRWS1_NUMBER_LEDS] = led;
282 ret = led_classdev_register(&hdev->dev, led);
283 if (ret)
284 goto err_led;
285
286 /* Each individual LED */
287 for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
288 led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
289 if (!led) {
290 hid_err(hdev, "can't allocate memory for LED %d\n", i);
291 goto err_led;
292 }
293
294 name = (void *)(&led[1]);
295 snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1);
296 led->name = name;
297 led->brightness = 0;
298 led->max_brightness = 1;
299 led->brightness_get = steelseries_srws1_led_get_brightness;
300 led->brightness_set = steelseries_srws1_led_set_brightness;
301
302 drv_data->led[i] = led;
303 ret = led_classdev_register(&hdev->dev, led);
304
305 if (ret) {
306 hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
307err_led:
308 /* Deregister all LEDs (if any) */
309 for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
310 led = drv_data->led[i];
311 drv_data->led[i] = NULL;
312 if (!led)
313 continue;
314 led_classdev_unregister(led);
315 kfree(led);
316 }
317 goto out; /* but let the driver continue without LEDs */
318 }
319 }
320out:
321 return 0;
322err_free:
323 kfree(drv_data);
324 return ret;
325}
326
327static void steelseries_srws1_remove(struct hid_device *hdev)
328{
329 int i;
330 struct led_classdev *led;
331
332 struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev);
333
334 if (drv_data) {
335 /* Deregister LEDs (if any) */
336 for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
337 led = drv_data->led[i];
338 drv_data->led[i] = NULL;
339 if (!led)
340 continue;
341 led_classdev_unregister(led);
342 kfree(led);
343 }
344
345 }
346
347 hid_hw_stop(hdev);
348 kfree(drv_data);
349 return;
350}
351#endif
352
353static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
354 unsigned int *rsize)
355{
356 if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
357 && rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
358 hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
359 rdesc = steelseries_srws1_rdesc_fixed;
360 *rsize = sizeof(steelseries_srws1_rdesc_fixed);
361 }
362 return rdesc;
363}
364
365static const struct hid_device_id steelseries_srws1_devices[] = {
366 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
367 { }
368};
369MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
370
371static struct hid_driver steelseries_srws1_driver = {
372 .name = "steelseries_srws1",
373 .id_table = steelseries_srws1_devices,
374#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
375 .probe = steelseries_srws1_probe,
376 .remove = steelseries_srws1_remove,
377#endif
378 .report_fixup = steelseries_srws1_report_fixup
379};
380
381static int __init steelseries_srws1_init(void)
382{
383 return hid_register_driver(&steelseries_srws1_driver);
384}
385
386static void __exit steelseries_srws1_exit(void)
387{
388 hid_unregister_driver(&steelseries_srws1_driver);
389}
390
391module_init(steelseries_srws1_init);
392module_exit(steelseries_srws1_exit);
393MODULE_LICENSE("GPL");