^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * HID driver for Steelseries SRW-S1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2013 Simon Wood
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define SRWS1_NUMBER_LEDS 15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct steelseries_srws1_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) __u16 led_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) /* the last element is used for setting all leds simultaneously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct led_classdev *led[SRWS1_NUMBER_LEDS + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Fixed report descriptor for Steelseries SRW-S1 wheel controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * The original descriptor hides the sensitivity and assists dials
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * a custom vendor usage page. This inserts a patch to make them
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * appear in the 'Generic Desktop' usage.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static __u8 steelseries_srws1_rdesc_fixed[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 0x05, 0x01, /* Usage Page (Desktop) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 0x09, 0x08, /* Usage (MultiAxis), Changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 0xA1, 0x01, /* Collection (Application), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 0xA1, 0x02, /* Collection (Logical), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 0x95, 0x01, /* Report Count (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 0x05, 0x01, /* Changed Usage Page (Desktop), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 0x09, 0x30, /* Changed Usage (X), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 0x16, 0xF8, 0xF8, /* Logical Minimum (-1800), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 0x26, 0x08, 0x07, /* Logical Maximum (1800), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 0x65, 0x14, /* Unit (Degrees), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 0x55, 0x0F, /* Unit Exponent (15), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 0x75, 0x10, /* Report Size (16), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 0x09, 0x31, /* Changed Usage (Y), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 0x15, 0x00, /* Logical Minimum (0), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 0x75, 0x0C, /* Report Size (12), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 0x09, 0x32, /* Changed Usage (Z), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 0x15, 0x00, /* Logical Minimum (0), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 0x75, 0x0C, /* Report Size (12), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 0x05, 0x01, /* Usage Page (Desktop), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 0x09, 0x39, /* Usage (Hat Switch), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 0x25, 0x07, /* Logical Maximum (7), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 0x35, 0x00, /* Physical Minimum (0), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 0x46, 0x3B, 0x01, /* Physical Maximum (315), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 0x65, 0x14, /* Unit (Degrees), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 0x75, 0x04, /* Report Size (4), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 0x95, 0x01, /* Report Count (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 0x25, 0x01, /* Logical Maximum (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 0x45, 0x01, /* Physical Maximum (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 0x65, 0x00, /* Unit, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 0x75, 0x01, /* Report Size (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 0x95, 0x03, /* Report Count (3), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 0x81, 0x01, /* Input (Constant), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 0x05, 0x09, /* Usage Page (Button), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 0x19, 0x01, /* Usage Minimum (01h), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 0x29, 0x11, /* Usage Maximum (11h), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 0x95, 0x11, /* Report Count (17), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* ---- Dial patch starts here ---- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 0x05, 0x01, /* Usage Page (Desktop), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 0x09, 0x33, /* Usage (RX), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 0x75, 0x04, /* Report Size (4), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) 0x95, 0x02, /* Report Count (2), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) 0x15, 0x00, /* Logical Minimum (0), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 0x25, 0x0b, /* Logical Maximum (b), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) 0x09, 0x35, /* Usage (RZ), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) 0x75, 0x04, /* Report Size (4), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 0x95, 0x01, /* Report Count (1), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) 0x25, 0x03, /* Logical Maximum (3), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* ---- Dial patch ends here ---- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 0x06, 0x00, 0xFF, /* Usage Page (FF00h), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 0x09, 0x01, /* Usage (01h), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 0x75, 0x04, /* Changed Report Size (4), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 0x95, 0x0D, /* Changed Report Count (13), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 0x81, 0x02, /* Input (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) 0xC0, /* End Collection, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) 0xA1, 0x02, /* Collection (Logical), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) 0x09, 0x02, /* Usage (02h), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 0x75, 0x08, /* Report Size (8), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 0x95, 0x10, /* Report Count (16), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 0x91, 0x02, /* Output (Variable), */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 0xC0, /* End Collection, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 0xC0 /* End Collection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct list_head *report_list = &hdev->report_enum[HID_OUTPUT_REPORT].report_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) __s32 *value = report->field[0]->value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) value[0] = 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) value[1] = leds & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) value[2] = leds >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) value[3] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) value[4] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) value[5] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) value[6] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) value[7] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) value[8] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) value[9] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) value[10] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) value[11] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) value[12] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) value[13] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) value[14] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) value[15] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /* Note: LED change does not show on device until the device is read/polled */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct device *dev = led_cdev->dev->parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct hid_device *hid = to_hid_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (!drv_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) hid_err(hid, "Device data not found.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (value == LED_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) drv_data->led_state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) steelseries_srws1_set_leds(hid, drv_data->led_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct device *dev = led_cdev->dev->parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct hid_device *hid = to_hid_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) struct steelseries_srws1_data *drv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) drv_data = hid_get_drvdata(hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) if (!drv_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) hid_err(hid, "Device data not found.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) return LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct device *dev = led_cdev->dev->parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct hid_device *hid = to_hid_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int i, state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (!drv_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) hid_err(hid, "Device data not found.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (led_cdev != drv_data->led[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) state = (drv_data->led_state >> i) & 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (value == LED_OFF && state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) drv_data->led_state &= ~(1 << i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) steelseries_srws1_set_leds(hid, drv_data->led_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) } else if (value != LED_OFF && !state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) drv_data->led_state |= 1 << i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) steelseries_srws1_set_leds(hid, drv_data->led_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static enum led_brightness steelseries_srws1_led_get_brightness(struct led_classdev *led_cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct device *dev = led_cdev->dev->parent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct hid_device *hid = to_hid_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct steelseries_srws1_data *drv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int i, value = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) drv_data = hid_get_drvdata(hid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) if (!drv_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) hid_err(hid, "Device data not found.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) if (led_cdev == drv_data->led[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) value = (drv_data->led_state >> i) & 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return value ? LED_FULL : LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static int steelseries_srws1_probe(struct hid_device *hdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) struct led_classdev *led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) size_t name_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct steelseries_srws1_data *drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (drv_data == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) hid_err(hdev, "can't alloc SRW-S1 memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) hid_set_drvdata(hdev, drv_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) hid_err(hdev, "parse failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 16)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) hid_err(hdev, "hw start failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /* register led subsystem */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) drv_data->led_state = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) drv_data->led[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) steelseries_srws1_set_leds(hdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) name_sz = strlen(hdev->uniq) + 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) /* 'ALL', for setting all LEDs simultaneously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) if (!led) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) hid_err(hdev, "can't allocate memory for LED ALL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) goto err_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) name = (void *)(&led[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) led->name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) led->brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) led->max_brightness = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) led->brightness_get = steelseries_srws1_led_all_get_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) led->brightness_set = steelseries_srws1_led_all_set_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) drv_data->led[SRWS1_NUMBER_LEDS] = led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) ret = led_classdev_register(&hdev->dev, led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) goto err_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) /* Each individual LED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (!led) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) hid_err(hdev, "can't allocate memory for LED %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) goto err_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) name = (void *)(&led[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) snprintf(name, name_sz, "SRWS1::%s::RPM%d", hdev->uniq, i+1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) led->name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) led->brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) led->max_brightness = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) led->brightness_get = steelseries_srws1_led_get_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) led->brightness_set = steelseries_srws1_led_set_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) drv_data->led[i] = led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) ret = led_classdev_register(&hdev->dev, led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) err_led:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) /* Deregister all LEDs (if any) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) led = drv_data->led[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) drv_data->led[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) if (!led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) led_classdev_unregister(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) kfree(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) goto out; /* but let the driver continue without LEDs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) err_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) kfree(drv_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static void steelseries_srws1_remove(struct hid_device *hdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct led_classdev *led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) struct steelseries_srws1_data *drv_data = hid_get_drvdata(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (drv_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) /* Deregister LEDs (if any) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) led = drv_data->led[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) drv_data->led[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (!led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) led_classdev_unregister(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) kfree(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) hid_hw_stop(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) kfree(drv_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) unsigned int *rsize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) && rdesc[29] == 0xbb && rdesc[40] == 0xc5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) rdesc = steelseries_srws1_rdesc_fixed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) *rsize = sizeof(steelseries_srws1_rdesc_fixed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return rdesc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static const struct hid_device_id steelseries_srws1_devices[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) static struct hid_driver steelseries_srws1_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) .name = "steelseries_srws1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) .id_table = steelseries_srws1_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) .probe = steelseries_srws1_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) .remove = steelseries_srws1_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) .report_fixup = steelseries_srws1_report_fixup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) module_hid_driver(steelseries_srws1_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) MODULE_LICENSE("GPL");