HID: remove ThingM blink(1) driver
Now that support for ThingM blink(1) was merged into the hid-led driver the dedicated driver for this device can be removed. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>hifive-unleashed-5.1
Heiner Kallweit
Jiri Kosina
parent
007414e8fb
commit
38b09c030b
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@ -11042,11 +11042,6 @@ F: Documentation/thermal/cpu-cooling-api.txt
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F: drivers/thermal/cpu_cooling.c
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F: include/linux/cpu_cooling.h
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THINGM BLINK(1) USB RGB LED DRIVER
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M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
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S: Maintained
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F: drivers/hid/hid-thingm.c
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THINKPAD ACPI EXTRAS DRIVER
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M: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
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L: ibm-acpi-devel@lists.sourceforge.net
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@ -832,11 +832,11 @@ config HID_THINGM
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tristate "ThingM blink(1) USB RGB LED"
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depends on HID
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depends on LEDS_CLASS
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select HID_LED
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---help---
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Support for the ThingM blink(1) USB RGB LED. This driver registers a
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Linux LED class instance, plus additional sysfs attributes to control
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RGB colors, fade time and playing. The device is exposed through hidraw
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to access other functions.
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Support for the ThingM blink(1) USB RGB LED. This driver has been
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merged into the generic hid led driver. Config symbol HID_THINGM
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just selects HID_LED and will be removed soon.
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config HID_THRUSTMASTER
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tristate "ThrustMaster devices support"
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@ -90,7 +90,6 @@ obj-$(CONFIG_HID_SPEEDLINK) += hid-speedlink.o
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obj-$(CONFIG_HID_STEELSERIES) += hid-steelseries.o
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obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o
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obj-$(CONFIG_HID_GREENASIA) += hid-gaff.o
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obj-$(CONFIG_HID_THINGM) += hid-thingm.o
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obj-$(CONFIG_HID_THRUSTMASTER) += hid-tmff.o
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obj-$(CONFIG_HID_TIVO) += hid-tivo.o
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obj-$(CONFIG_HID_TOPSEED) += hid-topseed.o
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@ -1,263 +0,0 @@
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/*
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* ThingM blink(1) USB RGB LED driver
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*
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* Copyright 2013-2014 Savoir-faire Linux Inc.
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* Vivien Didelot <vivien.didelot@savoirfairelinux.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*/
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#include <linux/hid.h>
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#include <linux/hidraw.h>
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#include <linux/leds.h>
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#include <linux/module.h>
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#include <linux/mutex.h>
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#include "hid-ids.h"
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#define REPORT_ID 1
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#define REPORT_SIZE 9
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/* Firmware major number of supported devices */
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#define THINGM_MAJOR_MK1 '1'
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#define THINGM_MAJOR_MK2 '2'
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struct thingm_fwinfo {
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char major;
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unsigned numrgb;
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unsigned first;
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};
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static const struct thingm_fwinfo thingm_fwinfo[] = {
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{
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.major = THINGM_MAJOR_MK1,
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.numrgb = 1,
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.first = 0,
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}, {
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.major = THINGM_MAJOR_MK2,
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.numrgb = 2,
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.first = 1,
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}
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};
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/* A red, green or blue channel, part of an RGB chip */
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struct thingm_led {
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struct thingm_rgb *rgb;
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struct led_classdev ldev;
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char name[32];
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};
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/* Basically a WS2812 5050 RGB LED chip */
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struct thingm_rgb {
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struct thingm_device *tdev;
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struct thingm_led red;
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struct thingm_led green;
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struct thingm_led blue;
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u8 num;
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};
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struct thingm_device {
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struct hid_device *hdev;
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struct {
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char major;
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char minor;
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} version;
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const struct thingm_fwinfo *fwinfo;
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struct mutex lock;
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struct thingm_rgb *rgb;
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};
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static int thingm_send(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
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{
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int ret;
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hid_dbg(tdev->hdev, "-> %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
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buf[0], buf[1], buf[2], buf[3], buf[4],
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buf[5], buf[6], buf[7], buf[8]);
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mutex_lock(&tdev->lock);
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ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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mutex_unlock(&tdev->lock);
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return ret < 0 ? ret : 0;
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}
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static int thingm_recv(struct thingm_device *tdev, u8 buf[REPORT_SIZE])
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{
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int ret;
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/*
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* A read consists of two operations: sending the read command
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* and the actual read from the device. Use the mutex to protect
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* the full sequence of both operations.
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*/
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mutex_lock(&tdev->lock);
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ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
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HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
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if (ret < 0)
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goto err;
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ret = hid_hw_raw_request(tdev->hdev, buf[0], buf, REPORT_SIZE,
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HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
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if (ret < 0)
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goto err;
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ret = 0;
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hid_dbg(tdev->hdev, "<- %d %c %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx\n",
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buf[0], buf[1], buf[2], buf[3], buf[4],
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buf[5], buf[6], buf[7], buf[8]);
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err:
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mutex_unlock(&tdev->lock);
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return ret;
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}
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static int thingm_version(struct thingm_device *tdev)
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{
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u8 buf[REPORT_SIZE] = { REPORT_ID, 'v', 0, 0, 0, 0, 0, 0, 0 };
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int err;
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err = thingm_recv(tdev, buf);
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if (err)
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return err;
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tdev->version.major = buf[3];
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tdev->version.minor = buf[4];
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return 0;
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}
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static int thingm_write_color(struct thingm_rgb *rgb)
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{
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u8 buf[REPORT_SIZE] = { REPORT_ID, 'c', 0, 0, 0, 0, 0, rgb->num, 0 };
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buf[2] = rgb->red.ldev.brightness;
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buf[3] = rgb->green.ldev.brightness;
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buf[4] = rgb->blue.ldev.brightness;
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return thingm_send(rgb->tdev, buf);
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}
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static int thingm_led_set(struct led_classdev *ldev,
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enum led_brightness brightness)
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{
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struct thingm_led *led = container_of(ldev, struct thingm_led, ldev);
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return thingm_write_color(led->rgb);
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}
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static int thingm_init_led(struct thingm_led *led, const char *color_name,
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struct thingm_rgb *rgb, int minor)
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{
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snprintf(led->name, sizeof(led->name), "thingm%d:%s:led%d",
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minor, color_name, rgb->num);
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led->ldev.name = led->name;
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led->ldev.max_brightness = 255;
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led->ldev.brightness_set_blocking = thingm_led_set;
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led->ldev.flags = LED_HW_PLUGGABLE;
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led->rgb = rgb;
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return devm_led_classdev_register(&rgb->tdev->hdev->dev, &led->ldev);
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}
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static int thingm_init_rgb(struct thingm_rgb *rgb)
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{
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const int minor = ((struct hidraw *) rgb->tdev->hdev->hidraw)->minor;
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int err;
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/* Register the red diode */
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err = thingm_init_led(&rgb->red, "red", rgb, minor);
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if (err)
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return err;
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/* Register the green diode */
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err = thingm_init_led(&rgb->green, "green", rgb, minor);
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if (err)
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return err;
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/* Register the blue diode */
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return thingm_init_led(&rgb->blue, "blue", rgb, minor);
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}
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static int thingm_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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struct thingm_device *tdev;
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int i, err;
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tdev = devm_kzalloc(&hdev->dev, sizeof(struct thingm_device),
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GFP_KERNEL);
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if (!tdev)
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return -ENOMEM;
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tdev->hdev = hdev;
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hid_set_drvdata(hdev, tdev);
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err = hid_parse(hdev);
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if (err)
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return err;
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mutex_init(&tdev->lock);
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err = thingm_version(tdev);
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if (err)
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return err;
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hid_dbg(hdev, "firmware version: %c.%c\n",
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tdev->version.major, tdev->version.minor);
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for (i = 0; i < ARRAY_SIZE(thingm_fwinfo) && !tdev->fwinfo; ++i)
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if (thingm_fwinfo[i].major == tdev->version.major)
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tdev->fwinfo = &thingm_fwinfo[i];
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if (!tdev->fwinfo) {
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hid_err(hdev, "unsupported firmware %c\n", tdev->version.major);
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return -ENODEV;
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}
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tdev->rgb = devm_kzalloc(&hdev->dev,
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sizeof(struct thingm_rgb) * tdev->fwinfo->numrgb,
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GFP_KERNEL);
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if (!tdev->rgb)
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return -ENOMEM;
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err = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
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if (err)
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return err;
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for (i = 0; i < tdev->fwinfo->numrgb; ++i) {
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struct thingm_rgb *rgb = tdev->rgb + i;
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rgb->tdev = tdev;
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rgb->num = tdev->fwinfo->first + i;
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err = thingm_init_rgb(rgb);
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if (err) {
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hid_hw_stop(hdev);
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return err;
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}
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}
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return 0;
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}
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static const struct hid_device_id thingm_table[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, thingm_table);
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static struct hid_driver thingm_driver = {
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.name = "thingm",
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.probe = thingm_probe,
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.id_table = thingm_table,
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};
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module_hid_driver(thingm_driver);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Vivien Didelot <vivien.didelot@savoirfairelinux.com>");
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MODULE_DESCRIPTION("ThingM blink(1) USB RGB LED driver");
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