^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Simple USB RGB LED driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2016 Heiner Kallweit <hkallweit1@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Based on drivers/hid/hid-thingm.c and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * drivers/usb/misc/usbled.c
^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) #include <linux/hid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/hidraw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/leds.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) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "hid-ids.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) enum hidled_report_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) RAW_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) OUTPUT_REPORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) enum hidled_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) RISO_KAGAKU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) DREAM_CHEEKY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) THINGM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) DELCOM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) LUXAFOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static unsigned const char riso_kagaku_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* R+2G+4B -> riso kagaku color index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) [0] = 0, /* black */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) [1] = 2, /* red */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) [2] = 1, /* green */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) [3] = 5, /* yellow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) [4] = 3, /* blue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) [5] = 6, /* magenta */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) [6] = 4, /* cyan */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) [7] = 7 /* white */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define RISO_KAGAKU_IX(r, g, b) riso_kagaku_tbl[((r)?1:0)+((g)?2:0)+((b)?4:0)]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) union delcom_packet {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) __u8 data[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) __u8 major_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) __u8 minor_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) __u8 data_lsb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) __u8 data_msb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) } tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) __u8 cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) } rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) __le16 family_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) __le16 security_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) __u8 fw_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) } fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define DELCOM_GREEN_LED 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define DELCOM_RED_LED 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define DELCOM_BLUE_LED 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct hidled_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct hidled_rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct hidled_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) enum hidled_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) const char *short_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) enum led_brightness max_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int num_leds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) size_t report_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) enum hidled_report_type report_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int (*init)(struct hidled_device *ldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int (*write)(struct led_classdev *cdev, enum led_brightness br);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct hidled_led {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct led_classdev cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct hidled_rgb *rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) char name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct hidled_rgb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct hidled_device *ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct hidled_led red;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct hidled_led green;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct hidled_led blue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u8 num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct hidled_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) const struct hidled_config *config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct hid_device *hdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct hidled_rgb *rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) u8 *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define MAX_REPORT_SIZE 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define to_hidled_led(arg) container_of(arg, struct hidled_led, cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static bool riso_kagaku_switch_green_blue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) module_param(riso_kagaku_switch_green_blue, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) MODULE_PARM_DESC(riso_kagaku_switch_green_blue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) "switch green and blue RGB component for Riso Kagaku devices");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static int hidled_send(struct hidled_device *ldev, __u8 *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) mutex_lock(&ldev->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * buffer provided to hid_hw_raw_request must not be on the stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * and must not be part of a data structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) memcpy(ldev->buf, buf, ldev->config->report_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) if (ldev->config->report_type == RAW_REQUEST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ret = hid_hw_raw_request(ldev->hdev, buf[0], ldev->buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ldev->config->report_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) HID_FEATURE_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) else if (ldev->config->report_type == OUTPUT_REPORT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) ret = hid_hw_output_report(ldev->hdev, ldev->buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ldev->config->report_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) mutex_unlock(&ldev->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return ret == ldev->config->report_size ? 0 : -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /* reading data is supported for report type RAW_REQUEST only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static int hidled_recv(struct hidled_device *ldev, __u8 *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (ldev->config->report_type != RAW_REQUEST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) mutex_lock(&ldev->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) memcpy(ldev->buf, buf, ldev->config->report_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) ret = hid_hw_raw_request(ldev->hdev, buf[0], ldev->buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) ldev->config->report_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) HID_FEATURE_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) HID_REQ_SET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) ret = hid_hw_raw_request(ldev->hdev, buf[0], ldev->buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) ldev->config->report_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) HID_FEATURE_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) HID_REQ_GET_REPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) memcpy(buf, ldev->buf, ldev->config->report_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) mutex_unlock(&ldev->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return ret < 0 ? ret : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static u8 riso_kagaku_index(struct hidled_rgb *rgb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) enum led_brightness r, g, b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) r = rgb->red.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) g = rgb->green.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) b = rgb->blue.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (riso_kagaku_switch_green_blue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return RISO_KAGAKU_IX(r, b, g);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) return RISO_KAGAKU_IX(r, g, b);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static int riso_kagaku_write(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct hidled_led *led = to_hidled_led(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct hidled_rgb *rgb = led->rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) __u8 buf[MAX_REPORT_SIZE] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) buf[1] = riso_kagaku_index(rgb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return hidled_send(rgb->ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int dream_cheeky_write(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) struct hidled_led *led = to_hidled_led(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct hidled_rgb *rgb = led->rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) __u8 buf[MAX_REPORT_SIZE] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) buf[1] = rgb->red.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) buf[2] = rgb->green.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) buf[3] = rgb->blue.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) buf[7] = 0x1a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) buf[8] = 0x05;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return hidled_send(rgb->ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int dream_cheeky_init(struct hidled_device *ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) __u8 buf[MAX_REPORT_SIZE] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) /* Dream Cheeky magic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) buf[1] = 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) buf[2] = 0x02;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) buf[4] = 0x5f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) buf[7] = 0x1a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) buf[8] = 0x03;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return hidled_send(ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static int _thingm_write(struct led_classdev *cdev, enum led_brightness br,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) u8 offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct hidled_led *led = to_hidled_led(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) __u8 buf[MAX_REPORT_SIZE] = { 1, 'c' };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) buf[2] = led->rgb->red.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) buf[3] = led->rgb->green.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) buf[4] = led->rgb->blue.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) buf[7] = led->rgb->num + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) return hidled_send(led->rgb->ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) static int thingm_write_v1(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return _thingm_write(cdev, br, 0);
^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) static int thingm_write(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) return _thingm_write(cdev, br, 1);
^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) static const struct hidled_config hidled_config_thingm_v1 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) .name = "ThingM blink(1) v1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) .short_name = "thingm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .max_brightness = 255,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .num_leds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) .report_size = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) .report_type = RAW_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .write = thingm_write_v1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static int thingm_init(struct hidled_device *ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) __u8 buf[MAX_REPORT_SIZE] = { 1, 'v' };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ret = hidled_recv(ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) /* Check for firmware major version 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (buf[3] == '1')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) ldev->config = &hidled_config_thingm_v1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) static inline int delcom_get_lednum(const struct hidled_led *led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (led == &led->rgb->red)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) return DELCOM_RED_LED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) else if (led == &led->rgb->green)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) return DELCOM_GREEN_LED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) return DELCOM_BLUE_LED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static int delcom_enable_led(struct hidled_led *led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) union delcom_packet dp = { .tx.major_cmd = 101, .tx.minor_cmd = 12 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) dp.tx.data_lsb = 1 << delcom_get_lednum(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) dp.tx.data_msb = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) return hidled_send(led->rgb->ldev, dp.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) static int delcom_set_pwm(struct hidled_led *led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) union delcom_packet dp = { .tx.major_cmd = 101, .tx.minor_cmd = 34 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) dp.tx.data_lsb = delcom_get_lednum(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) dp.tx.data_msb = led->cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return hidled_send(led->rgb->ldev, dp.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) static int delcom_write(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct hidled_led *led = to_hidled_led(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) * enable LED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) * We can't do this in the init function already because the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) * is internally reset later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) ret = delcom_enable_led(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) return delcom_set_pwm(led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) static int delcom_init(struct hidled_device *ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) union delcom_packet dp = { .rx.cmd = 104 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) ret = hidled_recv(ldev, dp.data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * Several Delcom devices share the same USB VID/PID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) * Check for family id 2 for Visual Signal Indicator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return le16_to_cpu(dp.fw.family_code) == 2 ? 0 : -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) static int luxafor_write(struct led_classdev *cdev, enum led_brightness br)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) struct hidled_led *led = to_hidled_led(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) __u8 buf[MAX_REPORT_SIZE] = { [1] = 1 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) buf[2] = led->rgb->num + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) buf[3] = led->rgb->red.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) buf[4] = led->rgb->green.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) buf[5] = led->rgb->blue.cdev.brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return hidled_send(led->rgb->ldev, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static const struct hidled_config hidled_configs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) .type = RISO_KAGAKU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) .name = "Riso Kagaku Webmail Notifier",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) .short_name = "riso_kagaku",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) .max_brightness = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) .num_leds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) .report_size = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) .report_type = OUTPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) .write = riso_kagaku_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) .type = DREAM_CHEEKY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) .name = "Dream Cheeky Webmail Notifier",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) .short_name = "dream_cheeky",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) .max_brightness = 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) .num_leds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) .report_size = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) .report_type = RAW_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) .init = dream_cheeky_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) .write = dream_cheeky_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) .type = THINGM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) .name = "ThingM blink(1)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) .short_name = "thingm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) .max_brightness = 255,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) .num_leds = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) .report_size = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) .report_type = RAW_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) .init = thingm_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .write = thingm_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) .type = DELCOM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) .name = "Delcom Visual Signal Indicator G2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) .short_name = "delcom",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) .max_brightness = 100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) .num_leds = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) .report_size = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) .report_type = RAW_REQUEST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) .init = delcom_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) .write = delcom_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) .type = LUXAFOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) .name = "Greynut Luxafor",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) .short_name = "luxafor",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) .max_brightness = 255,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) .num_leds = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) .report_size = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) .report_type = OUTPUT_REPORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) .write = luxafor_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) static int hidled_init_led(struct hidled_led *led, const char *color_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) struct hidled_rgb *rgb, unsigned int minor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) const struct hidled_config *config = rgb->ldev->config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (config->num_leds > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) snprintf(led->name, sizeof(led->name), "%s%u:%s:led%u",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) config->short_name, minor, color_name, rgb->num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) snprintf(led->name, sizeof(led->name), "%s%u:%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) config->short_name, minor, color_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) led->cdev.name = led->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) led->cdev.max_brightness = config->max_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) led->cdev.brightness_set_blocking = config->write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) led->cdev.flags = LED_HW_PLUGGABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) led->rgb = rgb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) return devm_led_classdev_register(&rgb->ldev->hdev->dev, &led->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) static int hidled_init_rgb(struct hidled_rgb *rgb, unsigned int minor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) /* Register the red diode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) ret = hidled_init_led(&rgb->red, "red", rgb, minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) /* Register the green diode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) ret = hidled_init_led(&rgb->green, "green", rgb, minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /* Register the blue diode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return hidled_init_led(&rgb->blue, "blue", rgb, minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) static int hidled_probe(struct hid_device *hdev, const struct hid_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) struct hidled_device *ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) unsigned int minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) ldev = devm_kzalloc(&hdev->dev, sizeof(*ldev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) if (!ldev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) ldev->buf = devm_kmalloc(&hdev->dev, MAX_REPORT_SIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) if (!ldev->buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) ret = hid_parse(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) ldev->hdev = hdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) mutex_init(&ldev->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) for (i = 0; !ldev->config && i < ARRAY_SIZE(hidled_configs); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (hidled_configs[i].type == id->driver_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) ldev->config = &hidled_configs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) if (!ldev->config)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) if (ldev->config->init) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) ret = ldev->config->init(ldev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) ldev->rgb = devm_kcalloc(&hdev->dev, ldev->config->num_leds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) sizeof(struct hidled_rgb), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) if (!ldev->rgb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) minor = ((struct hidraw *) hdev->hidraw)->minor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) for (i = 0; i < ldev->config->num_leds; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) ldev->rgb[i].ldev = ldev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) ldev->rgb[i].num = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ret = hidled_init_rgb(&ldev->rgb[i], minor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) hid_hw_stop(hdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) hid_info(hdev, "%s initialized\n", ldev->config->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) static const struct hid_device_id hidled_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) USB_DEVICE_ID_RI_KA_WEBMAIL), .driver_data = RISO_KAGAKU },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) USB_DEVICE_ID_DREAM_CHEEKY_WN), .driver_data = DREAM_CHEEKY },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) USB_DEVICE_ID_DREAM_CHEEKY_FA), .driver_data = DREAM_CHEEKY },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) { HID_USB_DEVICE(USB_VENDOR_ID_THINGM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) USB_DEVICE_ID_BLINK1), .driver_data = THINGM },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) USB_DEVICE_ID_DELCOM_VISUAL_IND), .driver_data = DELCOM },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) USB_DEVICE_ID_LUXAFOR), .driver_data = LUXAFOR },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) MODULE_DEVICE_TABLE(hid, hidled_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) static struct hid_driver hidled_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) .name = "hid-led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) .probe = hidled_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) .id_table = hidled_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) module_hid_driver(hidled_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) MODULE_AUTHOR("Heiner Kallweit <hkallweit1@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) MODULE_DESCRIPTION("Simple USB RGB LED driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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