diff options
| -rw-r--r-- | drivers/hid/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/hid/Makefile | 1 | ||||
| -rw-r--r-- | drivers/hid/hid-core.c | 6 | ||||
| -rw-r--r-- | drivers/hid/hid-ids.h | 2 | ||||
| -rw-r--r-- | drivers/hid/hid-led.c | 288 |
5 files changed, 306 insertions, 3 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 5646ca4b95de..04bd2039b23b 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -388,6 +388,18 @@ config HID_LCPOWER ---help--- Support for LC-Power RC1000MCE RF remote control. +config HID_LED + tristate "Simple USB RGB LED support" + depends on HID + depends on LEDS_CLASS + ---help--- + Support for simple USB RGB LED devices. Currently supported are the + Riso Kagaku Webmail Notifier and the Dream Cheeky Webmail Notifier + and Friends Alert. + + To compile this driver as a module, choose M here: the + module will be called hid-led. + config HID_LENOVO tristate "Lenovo / Thinkpad devices" depends on HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index a2fb562de748..86d71f60a967 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -96,6 +96,7 @@ obj-$(CONFIG_HID_TIVO) += hid-tivo.o obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o obj-$(CONFIG_HID_TWINHAN) += hid-twinhan.o obj-$(CONFIG_HID_UCLOGIC) += hid-uclogic.o +obj-$(CONFIG_HID_LED) += hid-led.o obj-$(CONFIG_HID_XINMO) += hid-xinmo.o obj-$(CONFIG_HID_ZEROPLUS) += hid-zpff.o obj-$(CONFIG_HID_ZYDACRON) += hid-zydacron.o diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8ea3a26360e9..eb674ce75fab 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1879,6 +1879,8 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, @@ -2008,6 +2010,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, #if IS_ENABLED(CONFIG_HID_ROCCAT) { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, @@ -2348,8 +2351,6 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) }, { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) }, { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) }, { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, @@ -2486,7 +2487,6 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) }, #endif { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, - { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, { } }; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3eec09a134cb..e104abae0dad 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -334,6 +334,8 @@ #define USB_DEVICE_ID_ELECOM_BM084 0x0061 #define USB_VENDOR_ID_DREAM_CHEEKY 0x1d34 +#define USB_DEVICE_ID_DREAM_CHEEKY_WN 0x0004 +#define USB_DEVICE_ID_DREAM_CHEEKY_FA 0x000a #define USB_VENDOR_ID_ELITEGROUP 0x03fc #define USB_DEVICE_ID_ELITEGROUP_05D8 0x05d8 diff --git a/drivers/hid/hid-led.c b/drivers/hid/hid-led.c new file mode 100644 index 000000000000..43fb089a8cd5 --- /dev/null +++ b/drivers/hid/hid-led.c @@ -0,0 +1,288 @@ +/* + * Simple USB RGB LED driver + * + * Copyright 2016 Heiner Kallweit <hkallweit1@gmail.com> + * Based on drivers/hid/hid-thingm.c and + * drivers/usb/misc/usbled.c + * + * 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, version 2. + */ + +#include <linux/hid.h> +#include <linux/hidraw.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/mutex.h> + +#include "hid-ids.h" + +enum hidled_report_type { + RAW_REQUEST, + OUTPUT_REPORT +}; + +enum hidled_type { + RISO_KAGAKU, + DREAM_CHEEKY, +}; + +static unsigned const char riso_kagaku_tbl[] = { +/* R+2G+4B -> riso kagaku color index */ + [0] = 0, /* black */ + [1] = 2, /* red */ + [2] = 1, /* green */ + [3] = 5, /* yellow */ + [4] = 3, /* blue */ + [5] = 6, /* magenta */ + [6] = 4, /* cyan */ + [7] = 7 /* white */ +}; + +#define RISO_KAGAKU_IX(r, g, b) riso_kagaku_tbl[((r)?1:0)+((g)?2:0)+((b)?4:0)] + +struct hidled_device; + +struct hidled_config { + enum hidled_type type; + const char *name; + const char *short_name; + enum led_brightness max_brightness; + size_t report_size; + enum hidled_report_type report_type; + u8 report_id; + int (*init)(struct hidled_device *ldev); + int (*write)(struct led_classdev *cdev, enum led_brightness br); +}; + +struct hidled_led { + struct led_classdev cdev; + struct hidled_device *ldev; + char name[32]; +}; + +struct hidled_device { + const struct hidled_config *config; + struct hidled_led red; + struct hidled_led green; + struct hidled_led blue; + struct hid_device *hdev; + struct mutex lock; +}; + +#define MAX_REPORT_SIZE 16 + +#define to_hidled_led(arg) container_of(arg, struct hidled_led, cdev) + +static bool riso_kagaku_switch_green_blue; +module_param(riso_kagaku_switch_green_blue, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(riso_kagaku_switch_green_blue, + "switch green and blue RGB component for Riso Kagaku devices"); + +static int hidled_send(struct hidled_device *ldev, __u8 *buf) +{ + int ret; + + buf[0] = ldev->config->report_id; + + mutex_lock(&ldev->lock); + + if (ldev->config->report_type == RAW_REQUEST) + ret = hid_hw_raw_request(ldev->hdev, buf[0], buf, + ldev->config->report_size, + HID_FEATURE_REPORT, + HID_REQ_SET_REPORT); + else if (ldev->config->report_type == OUTPUT_REPORT) + ret = hid_hw_output_report(ldev->hdev, buf, + ldev->config->report_size); + else + ret = -EINVAL; + + mutex_unlock(&ldev->lock); + + if (ret < 0) + return ret; + + return ret == ldev->config->report_size ? 0 : -EMSGSIZE; +} + +static u8 riso_kagaku_index(struct hidled_device *ldev) +{ + enum led_brightness r, g, b; + + r = ldev->red.cdev.brightness; + g = ldev->green.cdev.brightness; + b = ldev->blue.cdev.brightness; + + if (riso_kagaku_switch_green_blue) + return RISO_KAGAKU_IX(r, b, g); + else + return RISO_KAGAKU_IX(r, g, b); +} + +static int riso_kagaku_write(struct led_classdev *cdev, enum led_brightness br) +{ + struct hidled_led *led = to_hidled_led(cdev); + struct hidled_device *ldev = led->ldev; + __u8 buf[MAX_REPORT_SIZE] = {}; + + buf[1] = riso_kagaku_index(ldev); + + return hidled_send(ldev, buf); +} + +static int dream_cheeky_write(struct led_classdev *cdev, enum led_brightness br) +{ + struct hidled_led *led = to_hidled_led(cdev); + struct hidled_device *ldev = led->ldev; + __u8 buf[MAX_REPORT_SIZE] = {}; + + buf[1] = ldev->red.cdev.brightness; + buf[2] = ldev->green.cdev.brightness; + buf[3] = ldev->blue.cdev.brightness; + buf[7] = 0x1a; + buf[8] = 0x05; + + return hidled_send(ldev, buf); +} + +static int dream_cheeky_init(struct hidled_device *ldev) +{ + __u8 buf[MAX_REPORT_SIZE] = {}; + + /* Dream Cheeky magic */ + buf[1] = 0x1f; + buf[2] = 0x02; + buf[4] = 0x5f; + buf[7] = 0x1a; + buf[8] = 0x03; + + return hidled_send(ldev, buf); +} + +static const struct hidled_config hidled_configs[] = { + { + .type = RISO_KAGAKU, + .name = "Riso Kagaku Webmail Notifier", + .short_name = "riso_kagaku", + .max_brightness = 1, + .report_size = 6, + .report_type = OUTPUT_REPORT, + .report_id = 0, + .write = riso_kagaku_write, + }, + { + .type = DREAM_CHEEKY, + .name = "Dream Cheeky Webmail Notifier", + .short_name = "dream_cheeky", + .max_brightness = 31, + .report_size = 9, + .report_type = RAW_REQUEST, + .report_id = 0, + .init = dream_cheeky_init, + .write = dream_cheeky_write, + }, +}; + +static int hidled_init_led(struct hidled_led *led, const char *color_name, + struct hidled_device *ldev, unsigned int minor) +{ + snprintf(led->name, sizeof(led->name), "%s%u:%s", + ldev->config->short_name, minor, color_name); + led->cdev.name = led->name; + led->cdev.max_brightness = ldev->config->max_brightness; + led->cdev.brightness_set_blocking = ldev->config->write; + led->cdev.flags = LED_HW_PLUGGABLE; + led->ldev = ldev; + + return devm_led_classdev_register(&ldev->hdev->dev, &led->cdev); +} + +static int hidled_init_rgb(struct hidled_device *ldev, unsigned int minor) +{ + int ret; + + /* Register the red diode */ + ret = hidled_init_led(&ldev->red, "red", ldev, minor); + if (ret) + return ret; + + /* Register the green diode */ + ret = hidled_init_led(&ldev->green, "green", ldev, minor); + if (ret) + return ret; + + /* Register the blue diode */ + return hidled_init_led(&ldev->blue, "blue", ldev, minor); +} + +static int hidled_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct hidled_device *ldev; + unsigned int minor; + int ret, i; + + ldev = devm_kzalloc(&hdev->dev, sizeof(*ldev), GFP_KERNEL); + if (!ldev) + return -ENOMEM; + + ret = hid_parse(hdev); + if (ret) + return ret; + + ldev->hdev = hdev; + mutex_init(&ldev->lock); + + for (i = 0; !ldev->config && i < ARRAY_SIZE(hidled_configs); i++) + if (hidled_configs[i].type == id->driver_data) + ldev->config = &hidled_configs[i]; + + if (!ldev->config) + return -EINVAL; + + if (ldev->config->init) { + ret = ldev->config->init(ldev); + if (ret) + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); + if (ret) + return ret; + + minor = ((struct hidraw *) hdev->hidraw)->minor; + + ret = hidled_init_rgb(ldev, minor); + if (ret) { + hid_hw_stop(hdev); + return ret; + } + + hid_info(hdev, "%s initialized\n", ldev->config->name); + + return 0; +} + +static const struct hid_device_id hidled_table[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, + USB_DEVICE_ID_RI_KA_WEBMAIL), .driver_data = RISO_KAGAKU }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, + USB_DEVICE_ID_DREAM_CHEEKY_WN), .driver_data = DREAM_CHEEKY }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, + USB_DEVICE_ID_DREAM_CHEEKY_FA), .driver_data = DREAM_CHEEKY }, + { } +}; +MODULE_DEVICE_TABLE(hid, hidled_table); + +static struct hid_driver hidled_driver = { + .name = "hid-led", + .probe = hidled_probe, + .id_table = hidled_table, +}; + +module_hid_driver(hidled_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Heiner Kallweit <hkallweit1@gmail.com>"); +MODULE_DESCRIPTION("Simple USB RGB LED driver"); |