diff options
Diffstat (limited to 'drivers/hid')
37 files changed, 1549 insertions, 470 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index e11c1c803676..0cea301cc9a9 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -412,6 +412,13 @@ config HID_GOOGLE_HAMMER help Say Y here if you have a Google Hammer device. +config HID_GOOGLE_STADIA_FF + tristate "Google Stadia force feedback" + select INPUT_FF_MEMLESS + help + Say Y here if you want to enable force feedback support for the Google + Stadia controller. + config HID_VIVALDI tristate "Vivaldi Keyboard" select HID_VIVALDI_COMMON @@ -1066,9 +1073,11 @@ config STEAM_FF Deck. config HID_STEELSERIES - tristate "Steelseries SRW-S1 steering wheel support" + tristate "Steelseries devices support" + depends on USB_HID help - Support for Steelseries SRW-S1 steering wheel + Support for Steelseries SRW-S1 steering wheel, and the Steelseries + Arctis 1 Wireless for XBox headset. config HID_SUNPLUS tristate "Sunplus wireless desktop" diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 7a9e160158f7..8a06d0f840bc 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_HID_GFRM) += hid-gfrm.o obj-$(CONFIG_HID_GLORIOUS) += hid-glorious.o obj-$(CONFIG_HID_VIVALDI_COMMON) += hid-vivaldi-common.o obj-$(CONFIG_HID_GOOGLE_HAMMER) += hid-google-hammer.o +obj-$(CONFIG_HID_GOOGLE_STADIA_FF) += hid-google-stadiaff.o obj-$(CONFIG_HID_VIVALDI) += hid-vivaldi.o obj-$(CONFIG_HID_GT683R) += hid-gt683r.o obj-$(CONFIG_HID_GYRATION) += hid-gyration.o diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c index 6f0d332ccf51..06bdcf072d10 100644 --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c @@ -132,29 +132,45 @@ static void get_common_inputs(struct common_input_property *common, int report_i common->event_type = HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM; } -static int float_to_int(u32 float32) +static int float_to_int(u32 flt32_val) { int fraction, shift, mantissa, sign, exp, zeropre; - mantissa = float32 & GENMASK(22, 0); - sign = (float32 & BIT(31)) ? -1 : 1; - exp = (float32 & ~BIT(31)) >> 23; + mantissa = flt32_val & GENMASK(22, 0); + sign = (flt32_val & BIT(31)) ? -1 : 1; + exp = (flt32_val & ~BIT(31)) >> 23; if (!exp && !mantissa) return 0; + /* + * Calculate the exponent and fraction part of floating + * point representation. + */ exp -= 127; if (exp < 0) { exp = -exp; + if (exp >= BITS_PER_TYPE(u32)) + return 0; zeropre = (((BIT(23) + mantissa) * 100) >> 23) >> exp; return zeropre >= 50 ? sign : 0; } shift = 23 - exp; - float32 = BIT(exp) + (mantissa >> shift); - fraction = mantissa & GENMASK(shift - 1, 0); + if (abs(shift) >= BITS_PER_TYPE(u32)) + return 0; + + if (shift < 0) { + shift = -shift; + flt32_val = BIT(exp) + (mantissa << shift); + shift = 0; + } else { + flt32_val = BIT(exp) + (mantissa >> shift); + } + + fraction = (shift == 0) ? 0 : mantissa & GENMASK(shift - 1, 0); - return (((fraction * 100) >> shift) >= 50) ? sign * (float32 + 1) : sign * float32; + return (((fraction * 100) >> shift) >= 50) ? sign * (flt32_val + 1) : sign * flt32_val; } static u8 get_input_rep(u8 current_index, int sensor_idx, int report_id, diff --git a/drivers/hid/bpf/entrypoints/Makefile b/drivers/hid/bpf/entrypoints/Makefile index a12edcfa4fe3..43b99b5575cf 100644 --- a/drivers/hid/bpf/entrypoints/Makefile +++ b/drivers/hid/bpf/entrypoints/Makefile @@ -58,7 +58,7 @@ entrypoints.lskel.h: $(OUTPUT)/entrypoints.bpf.o | $(BPFTOOL) $(OUTPUT)/entrypoints.bpf.o: entrypoints.bpf.c $(OUTPUT)/vmlinux.h $(BPFOBJ) | $(OUTPUT) $(call msg,BPF,$@) - $(Q)$(CLANG) -g -O2 -target bpf $(INCLUDES) \ + $(Q)$(CLANG) -g -O2 --target=bpf $(INCLUDES) \ -c $(filter %.c,$^) -o $@ && \ $(LLVM_STRIP) -g $@ diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index d7b932925730..3ca45975c686 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -343,7 +343,8 @@ static const struct apple_non_apple_keyboard non_apple_keyboards[] = { { "SONiX USB DEVICE" }, { "Keychron" }, { "AONE" }, - { "GANSS" } + { "GANSS" }, + { "Hailuck" }, }; static bool apple_is_non_apple_keyboard(struct hid_device *hdev) diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 27cadadda7c9..54c33a24f844 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -16,14 +16,14 @@ * https://www.silabs.com/documents/public/application-notes/an495-cp2112-interface-specification.pdf */ -#include <linux/gpio/consumer.h> -#include <linux/gpio/machine.h> +#include <linux/bitops.h> #include <linux/gpio/driver.h> #include <linux/hid.h> #include <linux/hidraw.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/nls.h> +#include <linux/string_choices.h> #include <linux/usb/ch9.h> #include "hid-ids.h" @@ -31,6 +31,8 @@ #define CP2112_GPIO_CONFIG_LENGTH 5 #define CP2112_GPIO_GET_LENGTH 2 #define CP2112_GPIO_SET_LENGTH 3 +#define CP2112_GPIO_MAX_GPIO 8 +#define CP2112_GPIO_ALL_GPIO_MASK GENMASK(7, 0) enum { CP2112_GPIO_CONFIG = 0x02, @@ -163,19 +165,17 @@ struct cp2112_device { atomic_t read_avail; atomic_t xfer_avail; struct gpio_chip gc; - struct irq_chip irq; u8 *in_out_buffer; struct mutex lock; - struct gpio_desc *desc[8]; bool gpio_poll; struct delayed_work gpio_poll_worker; unsigned long irq_mask; u8 gpio_prev_state; }; -static int gpio_push_pull = 0xFF; -module_param(gpio_push_pull, int, S_IRUGO | S_IWUSR); +static int gpio_push_pull = CP2112_GPIO_ALL_GPIO_MASK; +module_param(gpio_push_pull, int, 0644); MODULE_PARM_DESC(gpio_push_pull, "GPIO push-pull configuration bitmask"); static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset) @@ -197,7 +197,7 @@ static int cp2112_gpio_direction_input(struct gpio_chip *chip, unsigned offset) goto exit; } - buf[1] &= ~(1 << offset); + buf[1] &= ~BIT(offset); buf[2] = gpio_push_pull; ret = hid_hw_raw_request(hdev, CP2112_GPIO_CONFIG, buf, @@ -227,8 +227,8 @@ static void cp2112_gpio_set(struct gpio_chip *chip, unsigned offset, int value) mutex_lock(&dev->lock); buf[0] = CP2112_GPIO_SET; - buf[1] = value ? 0xff : 0; - buf[2] = 1 << offset; + buf[1] = value ? CP2112_GPIO_ALL_GPIO_MASK : 0; + buf[2] = BIT(offset); ret = hid_hw_raw_request(hdev, CP2112_GPIO_SET, buf, CP2112_GPIO_SET_LENGTH, HID_FEATURE_REPORT, @@ -532,15 +532,13 @@ static int cp2112_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, hid_dbg(hdev, "I2C %d messages\n", num); if (num == 1) { + hid_dbg(hdev, "I2C %s %#04x len %d\n", + str_read_write(msgs->flags & I2C_M_RD), msgs->addr, msgs->len); if (msgs->flags & I2C_M_RD) { - hid_dbg(hdev, "I2C read %#04x len %d\n", - msgs->addr, msgs->len); read_length = msgs->len; read_buf = msgs->buf; count = cp2112_read_req(buf, msgs->addr, msgs->len); } else { - hid_dbg(hdev, "I2C write %#04x len %d\n", - msgs->addr, msgs->len); count = cp2112_i2c_write_req(buf, msgs->addr, msgs->buf, msgs->len); } @@ -648,7 +646,7 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr, int ret; hid_dbg(hdev, "%s addr 0x%x flags 0x%x cmd 0x%x size %d\n", - read_write == I2C_SMBUS_WRITE ? "write" : "read", + str_write_read(read_write == I2C_SMBUS_WRITE), addr, flags, command, size); switch (size) { @@ -895,7 +893,7 @@ static ssize_t name##_show(struct device *kdev, \ int ret = cp2112_get_usb_config(hdev, &cfg); \ if (ret) \ return ret; \ - return scnprintf(buf, PAGE_SIZE, format, ##__VA_ARGS__); \ + return sysfs_emit(buf, format, ##__VA_ARGS__); \ } \ static DEVICE_ATTR_RW(name); @@ -946,18 +944,10 @@ CP2112_CONFIG_ATTR(release_version, ({ #undef CP2112_CONFIG_ATTR -struct cp2112_pstring_attribute { - struct device_attribute attr; - unsigned char report; -}; - -static ssize_t pstr_store(struct device *kdev, - struct device_attribute *kattr, const char *buf, - size_t count) +static ssize_t pstr_store(struct device *kdev, struct device_attribute *kattr, + const char *buf, size_t count, int number) { struct hid_device *hdev = to_hid_device(kdev); - struct cp2112_pstring_attribute *attr = - container_of(kattr, struct cp2112_pstring_attribute, attr); struct cp2112_string_report report; int ret; @@ -965,7 +955,7 @@ static ssize_t pstr_store(struct device *kdev, ret = utf8s_to_utf16s(buf, count, UTF16_LITTLE_ENDIAN, report.string, ARRAY_SIZE(report.string)); - report.report = attr->report; + report.report = number; report.length = ret * sizeof(report.string[0]) + 2; report.type = USB_DT_STRING; @@ -983,17 +973,15 @@ static ssize_t pstr_store(struct device *kdev, return count; } -static ssize_t pstr_show(struct device *kdev, - struct device_attribute *kattr, char *buf) +static ssize_t pstr_show(struct device *kdev, struct device_attribute *kattr, + char *buf, int number) { struct hid_device *hdev = to_hid_device(kdev); - struct cp2112_pstring_attribute *attr = - container_of(kattr, struct cp2112_pstring_attribute, attr); struct cp2112_string_report report; u8 length; int ret; - ret = cp2112_hid_get(hdev, attr->report, (u8 *)&report.contents, + ret = cp2112_hid_get(hdev, number, (u8 *)&report.contents, sizeof(report.contents), HID_FEATURE_REPORT); if (ret < 3) { hid_err(hdev, "error reading %s string: %d\n", kattr->attr.name, @@ -1018,10 +1006,16 @@ static ssize_t pstr_show(struct device *kdev, } #define CP2112_PSTR_ATTR(name, _report) \ -static struct cp2112_pstring_attribute dev_attr_##name = { \ - .attr = __ATTR(name, (S_IWUSR | S_IRUGO), pstr_show, pstr_store), \ - .report = _report, \ -}; +static ssize_t name##_store(struct device *kdev, struct device_attribute *kattr, \ + const char *buf, size_t count) \ +{ \ + return pstr_store(kdev, kattr, buf, count, _report); \ +} \ +static ssize_t name##_show(struct device *kdev, struct device_attribute *kattr, char *buf) \ +{ \ + return pstr_show(kdev, kattr, buf, _report); \ +} \ +static DEVICE_ATTR_RW(name); CP2112_PSTR_ATTR(manufacturer, CP2112_MANUFACTURER_STRING); CP2112_PSTR_ATTR(product, CP2112_PRODUCT_STRING); @@ -1036,9 +1030,9 @@ static const struct attribute_group cp2112_attr_group = { &dev_attr_max_power.attr, &dev_attr_power_mode.attr, &dev_attr_release_version.attr, - &dev_attr_manufacturer.attr.attr, - &dev_attr_product.attr.attr, - &dev_attr_serial.attr.attr, + &dev_attr_manufacturer.attr, + &dev_attr_product.attr, + &dev_attr_serial.attr, NULL } }; @@ -1063,7 +1057,7 @@ static void chmod_sysfs_attrs(struct hid_device *hdev) } for (attr = cp2112_attr_group.attrs; *attr; ++attr) { - umode_t mode = (buf[1] & 1) ? S_IWUSR | S_IRUGO : S_IRUGO; + umode_t mode = (buf[1] & 1) ? 0644 : 0444; ret = sysfs_chmod_file(&hdev->dev.kobj, *attr, mode); if (ret < 0) hid_err(hdev, "error chmoding sysfs file %s\n", @@ -1080,16 +1074,20 @@ static void cp2112_gpio_irq_mask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct cp2112_device *dev = gpiochip_get_data(gc); + irq_hw_number_t hwirq = irqd_to_hwirq(d); - __clear_bit(d->hwirq, &dev->irq_mask); + __clear_bit(hwirq, &dev->irq_mask); + gpiochip_disable_irq(gc, hwirq); } static void cp2112_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct cp2112_device *dev = gpiochip_get_data(gc); + irq_hw_number_t hwirq = irqd_to_hwirq(d); - __set_bit(d->hwirq, &dev->irq_mask); + gpiochip_enable_irq(gc, hwirq); + __set_bit(hwirq, &dev->irq_mask); } static void cp2112_gpio_poll_callback(struct work_struct *work) @@ -1098,7 +1096,6 @@ static void cp2112_gpio_poll_callback(struct work_struct *work) gpio_poll_worker.work); struct irq_data *d; u8 gpio_mask; - u8 virqs = (u8)dev->irq_mask; u32 irq_type; int irq, virq, ret; @@ -1109,15 +1106,10 @@ static void cp2112_gpio_poll_callback(struct work_struct *work) goto exit; gpio_mask = ret; - - while (virqs) { - virq = ffs(virqs) - 1; - virqs &= ~BIT(virq); - - if (!dev->gc.to_irq) - break; - - irq = dev->gc.to_irq(&dev->gc, virq); + for_each_set_bit(virq, &dev->irq_mask, CP2112_GPIO_MAX_GPIO) { + irq = irq_find_mapping(dev->gc.irq.domain, virq); + if (!irq) + continue; d = irq_get_irq_data(irq); if (!d) @@ -1175,6 +1167,7 @@ static void cp2112_gpio_irq_shutdown(struct irq_data *d) struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct cp2112_device *dev = gpiochip_get_data(gc); + cp2112_gpio_irq_mask(d); cancel_delayed_work_sync(&dev->gpio_poll_worker); } @@ -1183,50 +1176,17 @@ static int cp2112_gpio_irq_type(struct irq_data *d, unsigned int type) return 0; } -static int __maybe_unused cp2112_allocate_irq(struct cp2112_device *dev, - int pin) -{ - int ret; - - if (dev->desc[pin]) - return -EINVAL; - - dev->desc[pin] = gpiochip_request_own_desc(&dev->gc, pin, - "HID/I2C:Event", - GPIO_ACTIVE_HIGH, - GPIOD_IN); - if (IS_ERR(dev->desc[pin])) { - dev_err(dev->gc.parent, "Failed to request GPIO\n"); - return PTR_ERR(dev->desc[pin]); - } - - ret = cp2112_gpio_direction_input(&dev->gc, pin); - if (ret < 0) { - dev_err(dev->gc.parent, "Failed to set GPIO to input dir\n"); - goto err_desc; - } - - ret = gpiochip_lock_as_irq(&dev->gc, pin); - if (ret) { - dev_err(dev->gc.parent, "Failed to lock GPIO as interrupt\n"); - goto err_desc; - } - - ret = gpiod_to_irq(dev->desc[pin]); - if (ret < 0) { - dev_err(dev->gc.parent, "Failed to translate GPIO to IRQ\n"); - goto err_lock; - } - - return ret; - -err_lock: - gpiochip_unlock_as_irq(&dev->gc, pin); -err_desc: - gpiochip_free_own_desc(dev->desc[pin]); - dev->desc[pin] = NULL; - return ret; -} +static const struct irq_chip cp2112_gpio_irqchip = { + .name = "cp2112-gpio", + .irq_startup = cp2112_gpio_irq_startup, + .irq_shutdown = cp2112_gpio_irq_shutdown, + .irq_ack = cp2112_gpio_irq_ack, + .irq_mask = cp2112_gpio_irq_mask, + .irq_unmask = cp2112_gpio_irq_unmask, + .irq_set_type = cp2112_gpio_irq_type, + .flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) { @@ -1333,21 +1293,12 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) dev->gc.set = cp2112_gpio_set; dev->gc.get = cp2112_gpio_get; dev->gc.base = -1; - dev->gc.ngpio = 8; + dev->gc.ngpio = CP2112_GPIO_MAX_GPIO; dev->gc.can_sleep = 1; dev->gc.parent = &hdev->dev; - dev->irq.name = "cp2112-gpio"; - dev->irq.irq_startup = cp2112_gpio_irq_startup; - dev->irq.irq_shutdown = cp2112_gpio_irq_shutdown; - dev->irq.irq_ack = cp2112_gpio_irq_ack; - dev->irq.irq_mask = cp2112_gpio_irq_mask; - dev->irq.irq_unmask = cp2112_gpio_irq_unmask; - dev->irq.irq_set_type = cp2112_gpio_irq_type; - dev->irq.flags = IRQCHIP_MASK_ON_SUSPEND; - girq = &dev->gc.irq; - girq->chip = &dev->irq; + gpio_irq_chip_set_chip(girq, &cp2112_gpio_irqchip); /* The event comes from the outside so no parent handler */ girq->parent_handler = NULL; girq->num_parents = 0; @@ -1389,7 +1340,6 @@ err_hid_stop: static void cp2112_remove(struct hid_device *hdev) { struct cp2112_device *dev = hid_get_drvdata(hdev); - int i; sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group); i2c_del_adapter(&dev->adap); @@ -1399,11 +1349,6 @@ static void cp2112_remove(struct hid_device *hdev) cancel_delayed_work_sync(&dev->gpio_poll_worker); } - for (i = 0; i < ARRAY_SIZE(dev->desc); i++) { - gpiochip_unlock_as_irq(&dev->gc, i); - gpiochip_free_own_desc(dev->desc[i]); - } - gpiochip_remove(&dev->gc); /* i2c_del_adapter has finished removing all i2c devices from our * adapter. Well behaved devices should no longer call our cp2112_xfer diff --git a/drivers/hid/hid-google-stadiaff.c b/drivers/hid/hid-google-stadiaff.c new file mode 100644 index 000000000000..3731575562ab --- /dev/null +++ b/drivers/hid/hid-google-stadiaff.c @@ -0,0 +1,158 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Stadia controller rumble support. + * + * Copyright 2023 Google LLC + */ + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/slab.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define STADIA_FF_REPORT_ID 5 + +struct stadiaff_device { + struct hid_device *hid; + struct hid_report *report; + spinlock_t lock; + bool removed; + uint16_t strong_magnitude; + uint16_t weak_magnitude; + struct work_struct work; +}; + +static void stadiaff_work(struct work_struct *work) +{ + struct stadiaff_device *stadiaff = + container_of(work, struct stadiaff_device, work); + struct hid_field *rumble_field = stadiaff->report->field[0]; + unsigned long flags; + + spin_lock_irqsave(&stadiaff->lock, flags); + rumble_field->value[0] = stadiaff->strong_magnitude; + rumble_field->value[1] = stadiaff->weak_magnitude; + spin_unlock_irqrestore(&stadiaff->lock, flags); + + hid_hw_request(stadiaff->hid, stadiaff->report, HID_REQ_SET_REPORT); +} + +static int stadiaff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct stadiaff_device *stadiaff = hid_get_drvdata(hid); + unsigned long flags; + + spin_lock_irqsave(&stadiaff->lock, flags); + if (!stadiaff->removed) { + stadiaff->strong_magnitude = effect->u.rumble.strong_magnitude; + stadiaff->weak_magnitude = effect->u.rumble.weak_magnitude; + schedule_work(&stadiaff->work); + } + spin_unlock_irqrestore(&stadiaff->lock, flags); + + return 0; +} + +static int stadiaff_init(struct hid_device *hid) +{ + struct stadiaff_device *stadiaff; + struct hid_report *report; + struct hid_input *hidinput; + struct input_dev *dev; + int error; + + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + hidinput = list_entry(hid->inputs.next, struct hid_input, list); + dev = hidinput->input; + + report = hid_validate_values(hid, HID_OUTPUT_REPORT, + STADIA_FF_REPORT_ID, 0, 2); + if (!report) + return -ENODEV; + + stadiaff = devm_kzalloc(&hid->dev, sizeof(struct stadiaff_device), + GFP_KERNEL); + if (!stadiaff) + return -ENOMEM; + + hid_set_drvdata(hid, stadiaff); + + input_set_capability(dev, EV_FF, FF_RUMBLE); + + error = input_ff_create_memless(dev, NULL, stadiaff_play); + if (error) + return error; + + stadiaff->removed = false; + stadiaff->hid = hid; + stadiaff->report = report; + INIT_WORK(&stadiaff->work, stadiaff_work); + spin_lock_init(&stadiaff->lock); + + hid_info(hid, "Force Feedback for Google Stadia controller\n"); + + return 0; +} + +static int stadia_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "parse failed\n"); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + hid_err(hdev, "hw start failed\n"); + return ret; + } + + ret = stadiaff_init(hdev); + if (ret) { + hid_err(hdev, "force feedback init failed\n"); + hid_hw_stop(hdev); + return ret; + } + + return 0; +} + +static void stadia_remove(struct hid_device *hid) +{ + struct stadiaff_device *stadiaff = hid_get_drvdata(hid); + unsigned long flags; + + spin_lock_irqsave(&stadiaff->lock, flags); + stadiaff->removed = true; + spin_unlock_irqrestore(&stadiaff->lock, flags); + + cancel_work_sync(&stadiaff->work); + hid_hw_stop(hid); +} + +static const struct hid_device_id stadia_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_STADIA) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_STADIA) }, + { } +}; +MODULE_DEVICE_TABLE(hid, stadia_devices); + +static struct hid_driver stadia_driver = { + .name = "stadia", + .id_table = stadia_devices, + .probe = stadia_probe, + .remove = stadia_remove, +}; +module_hid_driver(stadia_driver); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index 49d4a26895e7..f33485d83d24 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -258,19 +258,17 @@ static void mousevsc_on_receive(struct hv_device *device, switch (hid_msg_hdr->type) { case SYNTH_HID_PROTOCOL_RESPONSE: + len = struct_size(pipe_msg, data, pipe_msg->size); + /* * While it will be impossible for us to protect against * malicious/buggy hypervisor/host, add a check here to * ensure we don't corrupt memory. */ - if (struct_size(pipe_msg, data, pipe_msg->size) - > sizeof(struct mousevsc_prt_msg)) { - WARN_ON(1); + if (WARN_ON(len > sizeof(struct mousevsc_prt_msg))) break; - } - memcpy(&input_dev->protocol_resp, pipe_msg, - struct_size(pipe_msg, data, pipe_msg->size)); + memcpy(&input_dev->protocol_resp, pipe_msg, len); complete(&input_dev->wait_event); break; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 8a310f8ff20f..7e499992a793 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -531,6 +531,7 @@ #define USB_DEVICE_ID_GOOGLE_DON 0x5050 #define USB_DEVICE_ID_GOOGLE_EEL 0x5057 #define USB_DEVICE_ID_GOOGLE_JEWEL 0x5061 +#define USB_DEVICE_ID_GOOGLE_STADIA 0x9400 #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f @@ -866,6 +867,7 @@ #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_2 0xc534 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1 0xc539 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1 0xc53f +#define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_2 0xc547 #define USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_POWERPLAY 0xc53a #define USB_DEVICE_ID_SPACETRAVELLER 0xc623 #define USB_DEVICE_ID_SPACENAVIGATOR 0xc626 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index a1d2690a1a0d..0235cc1690a1 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -358,6 +358,9 @@ static const struct hid_device_id hid_battery_quirks[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_MAGICTRACKPAD), + HID_BATTERY_QUIRK_IGNORE }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084), HID_BATTERY_QUIRK_IGNORE }, @@ -988,6 +991,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel return; case 0x3c: /* Invert */ + device->quirks &= ~HID_QUIRK_NOINVERT; map_key_clear(BTN_TOOL_RUBBER); break; @@ -1013,9 +1017,13 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x45: /* ERASER */ /* * This event is reported when eraser tip touches the surface. - * Actual eraser (BTN_TOOL_RUBBER) is set by Invert usage when - * tool gets in proximity. + * Actual eraser (BTN_TOOL_RUBBER) is set and released either + * by Invert if tool reports proximity or by Eraser directly. */ + if (!test_bit(BTN_TOOL_RUBBER, input->keybit)) { + device->quirks |= HID_QUIRK_NOINVERT; + set_bit(BTN_TOOL_RUBBER, input->keybit); + } map_key_clear(BTN_TOUCH); break; @@ -1093,6 +1101,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x074: map_key_clear(KEY_BRIGHTNESS_MAX); break; case 0x075: map_key_clear(KEY_BRIGHTNESS_AUTO); break; + case 0x076: map_key_clear(KEY_CAMERA_ACCESS_ENABLE); break; + case 0x077: map_key_clear(KEY_CAMERA_ACCESS_DISABLE); break; + case 0x078: map_key_clear(KEY_CAMERA_ACCESS_TOGGLE); break; + case 0x079: map_key_clear(KEY_KBDILLUMUP); break; case 0x07a: map_key_clear(KEY_KBDILLUMDOWN); break; case 0x07c: map_key_clear(KEY_KBDILLUMTOGGLE); break; @@ -1139,9 +1151,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break; - case 0x0d5: map_key_clear(KEY_CAMERA_ACCESS_ENABLE); break; - case 0x0d6: map_key_clear(KEY_CAMERA_ACCESS_DISABLE); break; - case 0x0d7: map_key_clear(KEY_CAMERA_ACCESS_TOGGLE); break; case 0x0d8: map_key_clear(KEY_DICTATE); break; case 0x0d9: map_key_clear(KEY_EMOJI_PICKER); break; @@ -1579,6 +1588,15 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct else if (report->tool != BTN_TOOL_RUBBER) /* value is off, tool is not rubber, ignore */ return; + else if (*quirks & HID_QUIRK_NOINVERT && + !test_bit(BTN_TOUCH, input->key)) { + /* + * There is no invert to release the tool, let hid_input + * send BTN_TOUCH with scancode and release the tool after. + */ + hid_report_release_tool(report, input, BTN_TOOL_RUBBER); + return; + } /* let hid-input set BTN_TOUCH */ break; diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 62180414efcc..8afe3be683ba 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -1285,6 +1285,9 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, * 50 msec should gives enough time to the receiver to be ready. */ msleep(50); + + if (retval) + return retval; } /* @@ -1306,7 +1309,7 @@ static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, buf[5] = 0x09; buf[6] = 0x00; - hid_hw_raw_request(hdev, REPORT_ID_HIDPP_SHORT, buf, + retval = hid_hw_raw_request(hdev, REPORT_ID_HIDPP_SHORT, buf, HIDPP_REPORT_SHORT_LENGTH, HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); @@ -1692,11 +1695,12 @@ static int logi_dj_raw_event(struct hid_device *hdev, } /* * Mouse-only receivers send unnumbered mouse data. The 27 MHz - * receiver uses 6 byte packets, the nano receiver 8 bytes. + * receiver uses 6 byte packets, the nano receiver 8 bytes, + * the lightspeed receiver (Pro X Superlight) 13 bytes. */ if (djrcv_dev->unnumbered_application == HID_GD_MOUSE && - size <= 8) { - u8 mouse_report[9]; + size <= 13){ + u8 mouse_report[14]; /* Prepend report id */ mouse_report[0] = REPORT_TYPE_MOUSE; @@ -1980,6 +1984,10 @@ static const struct hid_device_id logi_dj_receivers[] = { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_1), .driver_data = recvr_type_gaming_hidpp}, + { /* Logitech lightspeed receiver (0xc547) */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1_2), + .driver_data = recvr_type_gaming_hidpp}, { /* Logitech 27 MHz HID++ 1.0 receiver (0xc513) */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index dfe8e09a18de..05f5b5f588a2 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -228,7 +228,7 @@ struct hidpp_device { #define HIDPP20_ERROR_INVALID_ARGS 0x02 #define HIDPP20_ERROR_OUT_OF_RANGE 0x03 #define HIDPP20_ERROR_HW_ERROR 0x04 -#define HIDPP20_ERROR_LOGITECH_INTERNAL 0x05 +#define HIDPP20_ERROR_NOT_ALLOWED 0x05 #define HIDPP20_ERROR_INVALID_FEATURE_INDEX 0x06 #define HIDPP20_ERROR_INVALID_FUNCTION_ID 0x07 #define HIDPP20_ERROR_BUSY 0x08 @@ -275,21 +275,22 @@ static int __hidpp_send_report(struct hid_device *hdev, } /* - * hidpp_send_message_sync() returns 0 in case of success, and something else - * in case of a failure. - * - If ' something else' is positive, that means that an error has been raised - * by the protocol itself. - * - If ' something else' is negative, that means that we had a classic error - * (-ENOMEM, -EPIPE, etc...) + * Effectively send the message to the device, waiting for its answer. + * + * Must be called with hidpp->send_mutex locked + * + * Same return protocol than hidpp_send_message_sync(): + * - success on 0 + * - negative error means transport error + * - positive value means protocol error */ -static int hidpp_send_message_sync(struct hidpp_device *hidpp, +static int __do_hidpp_send_message_sync(struct hidpp_device *hidpp, struct hidpp_report *message, struct hidpp_report *response) { - int ret = -1; - int max_retries = 3; + int ret; - mutex_lock(&hidpp->send_mutex); + __must_hold(&hidpp->send_mutex); hidpp->send_receive_buf = response; hidpp->answer_available = false; @@ -300,47 +301,74 @@ static int hidpp_send_message_sync(struct hidpp_device *hidpp, */ *response = *message; - for (; max_retries != 0 && ret; max_retries--) { - ret = __hidpp_send_report(hidpp->hid_dev, message); + ret = __hidpp_send_report(hidpp->hid_dev, message); + if (ret) { + dbg_hid("__hidpp_send_report returned err: %d\n", ret); + memset(response, 0, sizeof(struct hidpp_report)); + return ret; + } - if (ret) { - dbg_hid("__hidpp_send_report returned err: %d\n", ret); - memset(response, 0, sizeof(struct hidpp_report)); - break; - } + if (!wait_event_timeout(hidpp->wait, hidpp->answer_available, + 5*HZ)) { + dbg_hid("%s:timeout waiting for response\n", __func__); + memset(response, 0, sizeof(struct hidpp_report)); + return -ETIMEDOUT; + } - if (!wait_event_timeout(hidpp->wait, hidpp->answer_available, - 5*HZ)) { - dbg_hid("%s:timeout waiting for response\n", __func__); - memset(response, 0, sizeof(struct hidpp_report)); - ret = -ETIMEDOUT; - break; - } + if (response->report_id == REPORT_ID_HIDPP_SHORT && + response->rap.sub_id == HIDPP_ERROR) { + ret = response->rap.params[1]; + dbg_hid("%s:got hidpp error %02X\n", __func__, ret); + return ret; + } - if (response->report_id == REPORT_ID_HIDPP_SHORT && - response->rap.sub_id == HIDPP_ERROR) { - ret = response->rap.params[1]; - dbg_hid("%s:got hidpp error %02X\n", __func__, ret); + if ((response->report_id == REPORT_ID_HIDPP_LONG || + response->report_id == REPORT_ID_HIDPP_VERY_LONG) && + response->fap.feature_index == HIDPP20_ERROR) { + ret = response->fap.params[1]; + dbg_hid("%s:got hidpp 2.0 error %02X\n", __func__, ret); + return ret; + } + + return 0; +} + +/* + * hidpp_send_message_sync() returns 0 in case of success, and something else + * in case of a failure. + * + * See __do_hidpp_send_message_sync() for a detailed explanation of the returned + * value. + */ +static int hidpp_send_message_sync(struct hidpp_device *hidpp, + struct hidpp_report *message, + struct hidpp_report *response) +{ + int ret; + int max_retries = 3; + + mutex_lock(&hidpp->send_mutex); + + do { + ret = __do_hidpp_send_message_sync(hidpp, message, response); + if (ret != HIDPP20_ERROR_BUSY) break; - } - if ((response->report_id == REPORT_ID_HIDPP_LONG || - response->report_id == REPORT_ID_HIDPP_VERY_LONG) && - response->fap.feature_index == HIDPP20_ERROR) { - ret = response->fap.params[1]; - if (ret != HIDPP20_ERROR_BUSY) { - dbg_hid("%s:got hidpp 2.0 error %02X\n", __func__, ret); - break; - } - dbg_hid("%s:got busy hidpp 2.0 error %02X, retrying\n", __func__, ret); - } - } + dbg_hid("%s:got busy hidpp 2.0 error %02X, retrying\n", __func__, ret); + } while (--max_retries); mutex_unlock(&hidpp->send_mutex); return ret; } +/* + * hidpp_send_fap_command_sync() returns 0 in case of success, and something else + * in case of a failure. + * + * See __do_hidpp_send_message_sync() for a detailed explanation of the returned + * value. + */ static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp, u8 feat_index, u8 funcindex_clientid, u8 *params, int param_count, struct hidpp_report *response) @@ -373,6 +401,13 @@ static int hidpp_send_fap_command_sync(struct hidpp_device *hidpp, return ret; } +/* + * hidpp_send_rap_command_sync() returns 0 in case of success, and something else + * in case of a failure. + * + * See __do_hidpp_send_message_sync() for a detailed explanation of the returned + * value. + */ static int hidpp_send_rap_command_sync(struct hidpp_device *hidpp_dev, u8 report_id, u8 sub_id, u8 reg_address, u8 *params, int param_count, struct hidpp_report *response) @@ -4598,6 +4633,8 @@ static const struct hid_device_id hidpp_devices[] = { { /* Logitech G403 Wireless Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC082) }, + { /* Logitech G502 Lightspeed Wireless Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC08D) }, { /* Logitech G703 Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC087) }, { /* Logitech G703 Hero Gaming Mouse over USB */ @@ -4618,6 +4655,8 @@ static const struct hid_device_id hidpp_devices[] = { .driver_data = HIDPP_QUIRK_CLASS_G920 | HIDPP_QUIRK_FORCE_OUTPUT_REPORTS }, { /* Logitech G Pro Gaming Mouse over USB */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC088) }, + { /* Logitech G Pro X Superlight Gaming Mouse over USB */ + HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0xC094) }, { /* G935 Gaming Headset */ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, 0x0a87), @@ -4645,6 +4684,8 @@ static const struct hid_device_id hidpp_devices[] = { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb02a) }, { /* MX Master 3 mouse over Bluetooth */ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb023) }, + { /* MX Anywhere 3 mouse over Bluetooth */ + HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb025) }, { /* MX Master 3S mouse over Bluetooth */ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, 0xb034) }, {} diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index e31be0cb8b85..521b2ffb4244 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1594,7 +1594,6 @@ static void mt_post_parse(struct mt_device *td, struct mt_application *app) static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) { struct mt_device *td = hid_get_drvdata(hdev); - char *name; const char *suffix = NULL; struct mt_report_data *rdata; struct mt_application *mt_application = NULL; @@ -1645,15 +1644,9 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) break; } - if (suffix) { - name = devm_kzalloc(&hi->input->dev, - strlen(hdev->name) + strlen(suffix) + 2, - GFP_KERNEL); - if (name) { - sprintf(name, "%s %s", hdev->name, suffix); - hi->input->name = name; - } - } + if (suffix) + hi->input->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, + "%s %s", hdev->name, suffix); return 0; } diff --git a/drivers/hid/hid-nvidia-shield.c b/drivers/hid/hid-nvidia-shield.c index 85700cec5eac..9a3576dbf421 100644 --- a/drivers/hid/hid-nvidia-shield.c +++ b/drivers/hid/hid-nvidia-shield.c @@ -6,11 +6,15 @@ */ #include <linux/hid.h> +#include <linux/idr.h> #include <linux/input-event-codes.h> #include <linux/input.h> +#include <linux/jiffies.h> #include <linux/leds.h> #include <linux/module.h> +#include <linux/power_supply.h> #include <linux/spinlock.h> +#include <linux/timer.h> #include <linux/workqueue.h> #include "hid-ids.h" @@ -30,6 +34,8 @@ enum { enum { SHIELD_FW_VERSION_INITIALIZED = 0, SHIELD_BOARD_INFO_INITIALIZED, + SHIELD_BATTERY_STATS_INITIALIZED, + SHIELD_CHARGER_STATE_INITIALIZED, }; enum { @@ -37,6 +43,7 @@ enum { THUNDERSTRIKE_BOARD_INFO_UPDATE, THUNDERSTRIKE_HAPTICS_UPDATE, THUNDERSTRIKE_LED_UPDATE, + THUNDERSTRIKE_POWER_SUPPLY_STATS_UPDATE, }; enum { @@ -48,10 +55,46 @@ enum { enum { THUNDERSTRIKE_HOSTCMD_ID_FW_VERSION = 1, THUNDERSTRIKE_HOSTCMD_ID_LED = 6, + THUNDERSTRIKE_HOSTCMD_ID_BATTERY, THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO = 16, THUNDERSTRIKE_HOSTCMD_ID_USB_INIT = 53, THUNDERSTRIKE_HOSTCMD_ID_HAPTICS = 57, - THUNDERSTRIKE_HOSTCMD_ID_BLUETOOTH_INIT = 58, + THUNDERSTRIKE_HOSTCMD_ID_CHARGER, +}; + +struct power_supply_dev { + struct power_supply *psy; + struct power_supply_desc desc; +}; + +struct thunderstrike_psy_prop_values { + int voltage_min; + int voltage_now; + int voltage_avg; + int voltage_boot; + int capacity; + int status; + int charge_type; + int temp; +}; + +static const enum power_supply_property thunderstrike_battery_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_VOLTAGE_MIN, + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_AVG, + POWER_SUPPLY_PROP_VOLTAGE_BOOT, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TEMP_MIN, + POWER_SUPPLY_PROP_TEMP_MAX, + POWER_SUPPLY_PROP_TEMP_ALERT_MIN, + POWER_SUPPLY_PROP_TEMP_ALERT_MAX, }; enum thunderstrike_led_state { @@ -60,15 +103,47 @@ enum thunderstrike_led_state { } __packed; static_assert(sizeof(enum thunderstrike_led_state) == 1); +struct thunderstrike_hostcmd_battery { + __le16 voltage_avg; + u8 reserved_at_10; + __le16 thermistor; + __le16 voltage_min; + __le16 voltage_boot; + __le16 voltage_now; + u8 capacity; +} __packed; + +enum thunderstrike_charger_type { + THUNDERSTRIKE_CHARGER_TYPE_NONE = 0, + THUNDERSTRIKE_CHARGER_TYPE_TRICKLE, + THUNDERSTRIKE_CHARGER_TYPE_NORMAL, +} __packed; +static_assert(sizeof(enum thunderstrike_charger_type) == 1); + +enum thunderstrike_charger_state { + THUNDERSTRIKE_CHARGER_STATE_UNKNOWN = 0, + THUNDERSTRIKE_CHARGER_STATE_DISABLED, + THUNDERSTRIKE_CHARGER_STATE_CHARGING, + THUNDERSTRIKE_CHARGER_STATE_FULL, + THUNDERSTRIKE_CHARGER_STATE_FAILED = 8, +} __packed; +static_assert(sizeof(enum thunderstrike_charger_state) == 1); + +struct thunderstrike_hostcmd_charger { + u8 connected; + enum thunderstrike_charger_type type; + enum thunderstrike_charger_state state; +} __packed; + struct thunderstrike_hostcmd_board_info { __le16 revision; __le16 serial[7]; -}; +} __packed; struct thunderstrike_hostcmd_haptics { u8 motor_left; u8 motor_right; -}; +} __packed; struct thunderstrike_hostcmd_resp_report { u8 report_id; /* THUNDERSTRIKE_HOSTCMD_RESP_REPORT_ID */ @@ -80,8 +155,10 @@ struct thunderstrike_hostcmd_resp_report { struct thunderstrike_hostcmd_haptics motors; __le16 fw_version; enum thunderstrike_led_state led_state; + struct thunderstrike_hostcmd_battery battery; + struct thunderstrike_hostcmd_charger charger; u8 payload[30]; - }; + } __packed; } __packed; static_assert(sizeof(struct thunderstrike_hostcmd_resp_report) == THUNDERSTRIKE_HOSTCMD_REPORT_SIZE); @@ -92,15 +169,15 @@ struct thunderstrike_hostcmd_req_report { u8 reserved_at_10; union { - struct { + struct __packed { u8 update; enum thunderstrike_led_state state; } led; - struct { + struct __packed { u8 update; struct thunderstrike_hostcmd_haptics motors; } haptics; - }; + } __packed; u8 reserved_at_30[27]; } __packed; static_assert(sizeof(struct thunderstrike_hostcmd_req_report) == @@ -109,6 +186,7 @@ static_assert(sizeof(struct thunderstrike_hostcmd_req_report) == /* Common struct for shield accessories. */ struct shield_device { struct hid_device *hdev; + struct power_supply_dev battery_dev; unsigned long initialized_flags; const char *codename; @@ -119,9 +197,17 @@ struct shield_device { } board_info; }; +/* + * Non-trivial to uniquely identify Thunderstrike controllers at initialization + * time. Use an ID allocator to help with this. + */ +static DEFINE_IDA(thunderstrike_ida); + struct thunderstrike { struct shield_device base; + int id; + /* Sub-devices */ struct input_dev *haptics_dev; struct led_classdev led_dev; @@ -133,6 +219,9 @@ struct thunderstrike { spinlock_t haptics_update_lock; u8 led_state : 1; enum thunderstrike_led_state led_value; + struct thunderstrike_psy_prop_values psy_stats; + spinlock_t psy_stats_lock; + struct timer_list psy_stats_timer; struct work_struct hostcmd_req_work; }; @@ -164,7 +253,7 @@ static struct input_dev *shield_allocate_input_dev(struct hid_device *hdev, idev->id.product = hdev->product; idev->id.version = hdev->version; idev->uniq = hdev->uniq; - idev->name = devm_kasprintf(&idev->dev, GFP_KERNEL, "%s %s", hdev->name, + idev->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, "%s %s", hdev->name, name_suffix); if (!idev->name) goto err_name; @@ -247,6 +336,16 @@ static void thunderstrike_hostcmd_req_work_handler(struct work_struct *work) thunderstrike_send_hostcmd_request(ts); } + if (test_and_clear_bit(THUNDERSTRIKE_POWER_SUPPLY_STATS_UPDATE, &ts->update_flags)) { + thunderstrike_hostcmd_req_report_init( + report, THUNDERSTRIKE_HOSTCMD_ID_BATTERY); + thunderstrike_send_hostcmd_request(ts); + + thunderstrike_hostcmd_req_report_init( + report, THUNDERSTRIKE_HOSTCMD_ID_CHARGER); + thunderstrike_send_hostcmd_request(ts); + } + if (test_and_clear_bit(THUNDERSTRIKE_BOARD_INFO_UPDATE, &ts->update_flags)) { thunderstrike_hostcmd_req_report_init( report, THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO); @@ -352,6 +451,93 @@ static void thunderstrike_led_set_brightness(struct led_classdev *led, schedule_work(&ts->hostcmd_req_work); } +static int thunderstrike_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct shield_device *shield_dev = power_supply_get_drvdata(psy); + struct thunderstrike_psy_prop_values prop_values; + struct thunderstrike *ts; + int ret = 0; + + ts = container_of(shield_dev, struct thunderstrike, base); + spin_lock(&ts->psy_stats_lock); + prop_values = ts->psy_stats; + spin_unlock(&ts->psy_stats_lock); + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + val->intval = prop_values.status; + break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + val->intval = prop_values.charge_type; + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN: + val->intval = prop_values.voltage_min; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: + val->intval = 2900000; /* 2.9 V */ + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = 2200000; /* 2.2 V */ + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = prop_values.voltage_now; + break; + case POWER_SUPPLY_PROP_VOLTAGE_AVG: + val->intval = prop_values.voltage_avg; + break; + case POWER_SUPPLY_PROP_VOLTAGE_BOOT: + val->intval = prop_values.voltage_boot; + break; + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = prop_values.capacity; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = prop_values.temp; + break; + case POWER_SUPPLY_PROP_TEMP_MIN: + val->intval = 0; /* 0 C */ + break; + case POWER_SUPPLY_PROP_TEMP_MAX: + val->intval = 400; /* 40 C */ + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MIN: + val->intval = 15; /* 1.5 C */ + break; + case POWER_SUPPLY_PROP_TEMP_ALERT_MAX: + val->intval = 380; /* 38 C */ + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static inline void thunderstrike_request_psy_stats(struct thunderstrike *ts) +{ + set_bit(THUNDERSTRIKE_POWER_SUPPLY_STATS_UPDATE, &ts->update_flags); + schedule_work(&ts->hostcmd_req_work); +} + +static void thunderstrike_psy_stats_timer_handler(struct timer_list *timer) +{ + struct thunderstrike *ts = + container_of(timer, struct thunderstrike, psy_stats_timer); + + thunderstrike_request_psy_stats(ts); + /* Query battery statistics from device every five minutes */ + mod_timer(timer, jiffies + 300 * HZ); +} + static void thunderstrike_parse_fw_version_payload(struct shield_device *shield_dev, __le16 fw_version) @@ -416,13 +602,138 @@ thunderstrike_parse_led_payload(struct shield_device *shield_dev, hid_dbg(shield_dev->hdev, "Thunderstrike led HOSTCMD response, 0x%02X\n", led_state); } +static void thunderstrike_parse_battery_payload( + struct shield_device *shield_dev, + struct thunderstrike_hostcmd_battery *battery) +{ + struct thunderstrike *ts = container_of(shield_dev, struct thunderstrike, base); + u16 hostcmd_voltage_boot = le16_to_cpu(battery->voltage_boot); + u16 hostcmd_voltage_avg = le16_to_cpu(battery->voltage_avg); + u16 hostcmd_voltage_min = le16_to_cpu(battery->voltage_min); + u16 hostcmd_voltage_now = le16_to_cpu(battery->voltage_now); + u16 hostcmd_thermistor = le16_to_cpu(battery->thermistor); + int voltage_boot, voltage_avg, voltage_min, voltage_now; + struct hid_device *hdev = shield_dev->hdev; + u8 capacity = battery->capacity; + int temp; + + /* Convert thunderstrike device values to µV and tenths of degree Celsius */ + voltage_boot = hostcmd_voltage_boot * 1000; + voltage_avg = hostcmd_voltage_avg * 1000; + voltage_min = hostcmd_voltage_min * 1000; + voltage_now = hostcmd_voltage_now * 1000; + temp = (1378 - (int)hostcmd_thermistor) * 10 / 19; + + /* Copy converted values */ + spin_lock(&ts->psy_stats_lock); + ts->psy_stats.voltage_boot = voltage_boot; + ts->psy_stats.voltage_avg = voltage_avg; + ts->psy_stats.voltage_min = voltage_min; + ts->psy_stats.voltage_now = voltage_now; + ts->psy_stats.capacity = capacity; + ts->psy_stats.temp = temp; + spin_unlock(&ts->psy_stats_lock); + + set_bit(SHIELD_BATTERY_STATS_INITIALIZED, &shield_dev->initialized_flags); + + hid_dbg(hdev, + "Thunderstrike battery HOSTCMD response, voltage_avg: %u voltage_now: %u\n", + hostcmd_voltage_avg, hostcmd_voltage_now); + hid_dbg(hdev, + "Thunderstrike battery HOSTCMD response, voltage_boot: %u voltage_min: %u\n", + hostcmd_voltage_boot, hostcmd_voltage_min); + hid_dbg(hdev, + "Thunderstrike battery HOSTCMD response, thermistor: %u\n", + hostcmd_thermistor); + hid_dbg(hdev, + "Thunderstrike battery HOSTCMD response, capacity: %u%%\n", + capacity); +} + +static void thunderstrike_parse_charger_payload( + struct shield_device *shield_dev, + struct thunderstrike_hostcmd_charger *charger) +{ + struct thunderstrike *ts = container_of(shield_dev, struct thunderstrike, base); + int charge_type = POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + struct hid_device *hdev = shield_dev->hdev; + int status = POWER_SUPPLY_STATUS_UNKNOWN; + + switch (charger->type) { + case THUNDERSTRIKE_CHARGER_TYPE_NONE: + charge_type = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; + case THUNDERSTRIKE_CHARGER_TYPE_TRICKLE: + charge_type = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + break; + case THUNDERSTRIKE_CHARGER_TYPE_NORMAL: + charge_type = POWER_SUPPLY_CHARGE_TYPE_STANDARD; + break; + default: + hid_warn(hdev, "Unhandled Thunderstrike charger HOSTCMD type, %u\n", + charger->type); + break; + } + + switch (charger->state) { + case THUNDERSTRIKE_CHARGER_STATE_UNKNOWN: + status = POWER_SUPPLY_STATUS_UNKNOWN; + break; + case THUNDERSTRIKE_CHARGER_STATE_DISABLED: + /* Indicates charger is disconnected */ + break; + case THUNDERSTRIKE_CHARGER_STATE_CHARGING: + status = POWER_SUPPLY_STATUS_CHARGING; + break; + case THUNDERSTRIKE_CHARGER_STATE_FULL: + status = POWER_SUPPLY_STATUS_FULL; + break; + case THUNDERSTRIKE_CHARGER_STATE_FAILED: + status = POWER_SUPPLY_STATUS_NOT_CHARGING; + hid_err(hdev, "Thunderstrike device failed to charge\n"); + break; + default: + hid_warn(hdev, "Unhandled Thunderstrike charger HOSTCMD state, %u\n", + charger->state); + break; + } + + if (!charger->connected) + status = POWER_SUPPLY_STATUS_DISCHARGING; + + spin_lock(&ts->psy_stats_lock); + ts->psy_stats.charge_type = charge_type; + ts->psy_stats.status = status; + spin_unlock(&ts->psy_stats_lock); + + set_bit(SHIELD_CHARGER_STATE_INITIALIZED, &shield_dev->initialized_flags); + + hid_dbg(hdev, + "Thunderstrike charger HOSTCMD response, connected: %u, type: %u, state: %u\n", + charger->connected, charger->type, charger->state); +} + +static inline void thunderstrike_device_init_info(struct shield_device *shield_dev) +{ + struct thunderstrike *ts = + container_of(shield_dev, struct thunderstrike, base); + + if (!test_bit(SHIELD_FW_VERSION_INITIALIZED, &shield_dev->initialized_flags)) + thunderstrike_request_firmware_version(ts); + + if (!test_bit(SHIELD_BOARD_INFO_INITIALIZED, &shield_dev->initialized_flags)) + thunderstrike_request_board_info(ts); + + if (!test_bit(SHIELD_BATTERY_STATS_INITIALIZED, &shield_dev->initialized_flags) || + !test_bit(SHIELD_CHARGER_STATE_INITIALIZED, &shield_dev->initialized_flags)) + thunderstrike_psy_stats_timer_handler(&ts->psy_stats_timer); +} + static int thunderstrike_parse_report(struct shield_device *shield_dev, struct hid_report *report, u8 *data, int size) { struct thunderstrike_hostcmd_resp_report *hostcmd_resp_report; - struct thunderstrike *ts = - container_of(shield_dev, struct thunderstrike, base); struct hid_device *hdev = shield_dev->hdev; switch (report->id) { @@ -445,6 +756,10 @@ static int thunderstrike_parse_report(struct shield_device *shield_dev, case THUNDERSTRIKE_HOSTCMD_ID_LED: thunderstrike_parse_led_payload(shield_dev, hostcmd_resp_report->led_state); break; + case THUNDERSTRIKE_HOSTCMD_ID_BATTERY: + thunderstrike_parse_battery_payload(shield_dev, + &hostcmd_resp_report->battery); + break; case THUNDERSTRIKE_HOSTCMD_ID_BOARD_INFO: thunderstrike_parse_board_info_payload( shield_dev, &hostcmd_resp_report->board_info); @@ -453,14 +768,17 @@ static int thunderstrike_parse_report(struct shield_device *shield_dev, thunderstrike_parse_haptics_payload( shield_dev, &hostcmd_resp_report->motors); break; - case THUNDERSTRIKE_HOSTCMD_ID_USB_INIT: - case THUNDERSTRIKE_HOSTCMD_ID_BLUETOOTH_INIT: /* May block HOSTCMD requests till received initially */ - thunderstrike_request_firmware_version(ts); - thunderstrike_request_board_info(ts); - /* Only HOSTCMD that can be triggered without a request */ - return 0; + thunderstrike_device_init_info(shield_dev); + break; + case THUNDERSTRIKE_HOSTCMD_ID_CHARGER: + /* May block HOSTCMD requests till received initially */ + thunderstrike_device_init_info(shield_dev); + + thunderstrike_parse_charger_payload( + shield_dev, &hostcmd_resp_report->charger); + break; default: hid_warn(hdev, "Unhandled Thunderstrike HOSTCMD id %d\n", @@ -480,7 +798,8 @@ static inline int thunderstrike_led_create(struct thunderstrike *ts) { struct led_classdev *led = &ts->led_dev; - led->name = "thunderstrike:blue:led"; + led->name = devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, + "thunderstrike%d:blue:led", ts->id); led->max_brightness = 1; led->flags = LED_CORE_SUSPENDRESUME; led->brightness_get = &thunderstrike_led_get_brightness; @@ -489,6 +808,50 @@ static inline int thunderstrike_led_create(struct thunderstrike *ts) return led_classdev_register(&ts->base.hdev->dev, led); } +static inline int thunderstrike_psy_create(struct shield_device *shield_dev) +{ + struct thunderstrike *ts = container_of(shield_dev, struct thunderstrike, base); + struct power_supply_config psy_cfg = { .drv_data = shield_dev, }; + struct hid_device *hdev = shield_dev->hdev; + int ret; + + /* + * Set an initial capacity and temperature value to avoid prematurely + * triggering alerts. Will be replaced by values queried from initial + * HOSTCMD requests. + */ + ts->psy_stats.capacity = 100; + ts->psy_stats.temp = 182; + + shield_dev->battery_dev.desc.properties = thunderstrike_battery_props; + shield_dev->battery_dev.desc.num_properties = + ARRAY_SIZE(thunderstrike_battery_props); + shield_dev->battery_dev.desc.get_property = thunderstrike_battery_get_property; + shield_dev->battery_dev.desc.type = POWER_SUPPLY_TYPE_BATTERY; + shield_dev->battery_dev.desc.name = + devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, + "thunderstrike_%d", ts->id); + + shield_dev->battery_dev.psy = power_supply_register( + &hdev->dev, &shield_dev->battery_dev.desc, &psy_cfg); + if (IS_ERR(shield_dev->battery_dev.psy)) { + hid_err(hdev, "Failed to register Thunderstrike battery device\n"); + return PTR_ERR(shield_dev->battery_dev.psy); + } + + ret = power_supply_powers(shield_dev->battery_dev.psy, &hdev->dev); + if (ret) { + hid_err(hdev, "Failed to associate battery device to Thunderstrike\n"); + goto err; + } + + return 0; + +err: + power_supply_unregister(shield_dev->battery_dev.psy); + return ret; +} + static struct shield_device *thunderstrike_create(struct hid_device *hdev) { struct shield_device *shield_dev; @@ -509,26 +872,47 @@ static struct shield_device *thunderstrike_create(struct hid_device *hdev) shield_dev->codename = "Thunderstrike"; spin_lock_init(&ts->haptics_update_lock); + spin_lock_init(&ts->psy_stats_lock); INIT_WORK(&ts->hostcmd_req_work, thunderstrike_hostcmd_req_work_handler); hid_set_drvdata(hdev, shield_dev); + ts->id = ida_alloc(&thunderstrike_ida, GFP_KERNEL); + if (ts->id < 0) + return ERR_PTR(ts->id); + + ts->haptics_dev = shield_haptics_create(shield_dev, thunderstrike_play_effect); + if (IS_ERR(ts->haptics_dev)) { + hid_err(hdev, "Failed to create Thunderstrike haptics instance\n"); + ret = PTR_ERR(ts->haptics_dev); + goto err_id; + } + + ret = thunderstrike_psy_create(shield_dev); + if (ret) { + hid_err(hdev, "Failed to create Thunderstrike power supply instance\n"); + goto err_haptics; + } + ret = thunderstrike_led_create(ts); if (ret) { hid_err(hdev, "Failed to create Thunderstrike LED instance\n"); - return ERR_PTR(ret); + goto err_psy; } - ts->haptics_dev = shield_haptics_create(shield_dev, thunderstrike_play_effect); - if (IS_ERR(ts->haptics_dev)) - goto err; + timer_setup(&ts->psy_stats_timer, thunderstrike_psy_stats_timer_handler, 0); hid_info(hdev, "Registered Thunderstrike controller\n"); return shield_dev; -err: - led_classdev_unregister(&ts->led_dev); - return ERR_CAST(ts->haptics_dev); +err_psy: + power_supply_unregister(shield_dev->battery_dev.psy); +err_haptics: + if (ts->haptics_dev) + input_unregister_device(ts->haptics_dev); +err_id: + ida_free(&thunderstrike_ida, ts->id); + return ERR_PTR(ret); } static int android_input_mapping(struct hid_device *hdev, struct hid_input *hi, @@ -683,8 +1067,7 @@ static int shield_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err_stop; } - thunderstrike_request_firmware_version(ts); - thunderstrike_request_board_info(ts); + thunderstrike_device_init_info(shield_dev); return ret; @@ -704,9 +1087,12 @@ static void shield_remove(struct hid_device *hdev) ts = container_of(dev, struct thunderstrike, base); hid_hw_close(hdev); - led_classdev_unregister(&ts->led_dev); + power_supply_unregister(dev->battery_dev.psy); if (ts->haptics_dev) input_unregister_device(ts->haptics_dev); + led_classdev_unregister(&ts->led_dev); + ida_free(&thunderstrike_ida, ts->id); + del_timer_sync(&ts->psy_stats_timer); cancel_work_sync(&ts->hostcmd_req_work); hid_hw_stop(hdev); } diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c index dabcd054dad9..d726aaafb146 100644 --- a/drivers/hid/hid-picolcd_fb.c +++ b/drivers/hid/hid-picolcd_fb.c @@ -527,7 +527,6 @@ int picolcd_init_framebuffer(struct picolcd_data *data) info->var = picolcdfb_var; info->fix = picolcdfb_fix; info->fix.smem_len = PICOLCDFB_SIZE*8; - info->flags = FBINFO_FLAG_DEFAULT; fbdata = info->par; spin_lock_init(&fbdata->lock); diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c index ea6b79b3aeeb..d55aaabab1ed 100644 --- a/drivers/hid/hid-roccat-arvo.c +++ b/drivers/hid/hid-roccat-arvo.c @@ -23,8 +23,6 @@ #include "hid-roccat-common.h" #include "hid-roccat-arvo.h" -static struct class *arvo_class; - static ssize_t arvo_sysfs_show_mode_key(struct device *dev, struct device_attribute *attr, char *buf) { @@ -268,6 +266,11 @@ static const struct attribute_group *arvo_groups[] = { NULL, }; +static const struct class arvo_class = { + .name = "arvo", + .dev_groups = arvo_groups, +}; + static int arvo_init_arvo_device_struct(struct usb_device *usb_dev, struct arvo_device *arvo) { @@ -309,7 +312,7 @@ static int arvo_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(arvo_class, hdev, + retval = roccat_connect(&arvo_class, hdev, sizeof(struct arvo_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); @@ -433,21 +436,20 @@ static int __init arvo_init(void) { int retval; - arvo_class = class_create("arvo"); - if (IS_ERR(arvo_class)) - return PTR_ERR(arvo_class); - arvo_class->dev_groups = arvo_groups; + retval = class_register(&arvo_class); + if (retval) + return retval; retval = hid_register_driver(&arvo_driver); if (retval) - class_destroy(arvo_class); + class_unregister(&arvo_class); return retval; } static void __exit arvo_exit(void) { hid_unregister_driver(&arvo_driver); - class_destroy(arvo_class); + class_unregister(&arvo_class); } module_init(arvo_init); diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c index 3903a2cea00c..458060403397 100644 --- a/drivers/hid/hid-roccat-isku.c +++ b/drivers/hid/hid-roccat-isku.c @@ -23,8 +23,6 @@ #include "hid-roccat-common.h" #include "hid-roccat-isku.h" -static struct class *isku_class; - static void isku_profile_activated(struct isku_device *isku, uint new_profile) { isku->actual_profile = new_profile; @@ -248,6 +246,11 @@ static const struct attribute_group *isku_groups[] = { NULL, }; +static const struct class isku_class = { + .name = "isku", + .dev_groups = isku_groups, +}; + static int isku_init_isku_device_struct(struct usb_device *usb_dev, struct isku_device *isku) { @@ -289,7 +292,7 @@ static int isku_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(isku_class, hdev, + retval = roccat_connect(&isku_class, hdev, sizeof(struct isku_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); @@ -435,21 +438,21 @@ static struct hid_driver isku_driver = { static int __init isku_init(void) { int retval; - isku_class = class_create("isku"); - if (IS_ERR(isku_class)) - return PTR_ERR(isku_class); - isku_class->dev_groups = isku_groups; + + retval = class_register(&isku_class); + if (retval) + return retval; retval = hid_register_driver(&isku_driver); if (retval) - class_destroy(isku_class); + class_unregister(&isku_class); return retval; } static void __exit isku_exit(void) { hid_unregister_driver(&isku_driver); - class_destroy(isku_class); + class_unregister(&isku_class); } module_init(isku_init); diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 945ae236fb45..00a1abc7e839 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -89,9 +89,6 @@ static int kone_send(struct usb_device *usb_dev, uint usb_command, return ((len < 0) ? len : ((len != size) ? -EIO : 0)); } -/* kone_class is used for creating sysfs attributes via roccat char device */ -static struct class *kone_class; - static void kone_set_settings_checksum(struct kone_settings *settings) { uint16_t checksum = 0; @@ -657,6 +654,12 @@ static const struct attribute_group *kone_groups[] = { NULL, }; +/* kone_class is used for creating sysfs attributes via roccat char device */ +static const struct class kone_class = { + .name = "kone", + .dev_groups = kone_groups, +}; + static int kone_init_kone_device_struct(struct usb_device *usb_dev, struct kone_device *kone) { @@ -712,8 +715,8 @@ static int kone_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(kone_class, hdev, - sizeof(struct kone_roccat_report)); + retval = roccat_connect(&kone_class, hdev, + sizeof(struct kone_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); /* be tolerant about not getting chrdev */ @@ -890,21 +893,20 @@ static int __init kone_init(void) int retval; /* class name has to be same as driver name */ - kone_class = class_create("kone"); - if (IS_ERR(kone_class)) - return PTR_ERR(kone_class); - kone_class->dev_groups = kone_groups; + retval = class_register(&kone_class); + if (retval) + return retval; retval = hid_register_driver(&kone_driver); if (retval) - class_destroy(kone_class); + class_unregister(&kone_class); return retval; } static void __exit kone_exit(void) { hid_unregister_driver(&kone_driver); - class_destroy(kone_class); + class_unregister(&kone_class); } module_init(kone_init); diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 97b83b6f53dd..22b895436a7c 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -26,8 +26,6 @@ static uint profile_numbers[5] = {0, 1, 2, 3, 4}; -static struct class *koneplus_class; - static void koneplus_profile_activated(struct koneplus_device *koneplus, uint new_profile) { @@ -356,6 +354,11 @@ static const struct attribute_group *koneplus_groups[] = { NULL, }; +static const struct class koneplus_class = { + .name = "koneplus", + .dev_groups = koneplus_groups, +}; + static int koneplus_init_koneplus_device_struct(struct usb_device *usb_dev, struct koneplus_device *koneplus) { @@ -394,8 +397,8 @@ static int koneplus_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(koneplus_class, hdev, - sizeof(struct koneplus_roccat_report)); + retval = roccat_connect(&koneplus_class, hdev, + sizeof(struct koneplus_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { @@ -549,21 +552,20 @@ static int __init koneplus_init(void) int retval; /* class name has to be same as driver name */ - koneplus_class = class_create("koneplus"); - if (IS_ERR(koneplus_class)) - return PTR_ERR(koneplus_class); - koneplus_class->dev_groups = koneplus_groups; + retval = class_register(&koneplus_class); + if (retval) + return retval; retval = hid_register_driver(&koneplus_driver); if (retval) - class_destroy(koneplus_class); + class_unregister(&koneplus_class); return retval; } static void __exit koneplus_exit(void) { hid_unregister_driver(&koneplus_driver); - class_destroy(koneplus_class); + class_unregister(&koneplus_class); } module_init(koneplus_init); diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c index a297756f2410..beca8aef8bbb 100644 --- a/drivers/hid/hid-roccat-konepure.c +++ b/drivers/hid/hid-roccat-konepure.c @@ -36,8 +36,6 @@ struct konepure_mouse_report_button { uint8_t unknown[2]; } __packed; -static struct class *konepure_class; - ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(actual_profile, 0x05, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile_settings, 0x06, 0x1f); @@ -72,6 +70,11 @@ static const struct attribute_group *konepure_groups[] = { NULL, }; +static const struct class konepure_class = { + .name = "konepure", + .dev_groups = konepure_groups, +}; + static int konepure_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); @@ -98,8 +101,8 @@ static int konepure_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(konepure_class, hdev, - sizeof(struct konepure_mouse_report_button)); + retval = roccat_connect(&konepure_class, hdev, + sizeof(struct konepure_mouse_report_button)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { @@ -207,21 +210,20 @@ static int __init konepure_init(void) { int retval; - konepure_class = class_create("konepure"); - if (IS_ERR(konepure_class)) - return PTR_ERR(konepure_class); - konepure_class->dev_groups = konepure_groups; + retval = class_register(&konepure_class); + if (retval) + return retval; retval = hid_register_driver(&konepure_driver); if (retval) - class_destroy(konepure_class); + class_unregister(&konepure_class); return retval; } static void __exit konepure_exit(void) { hid_unregister_driver(&konepure_driver); - class_destroy(konepure_class); + class_unregister(&konepure_class); } module_init(konepure_init); diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 1a1d96e11683..86af538c10d6 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -24,8 +24,6 @@ static uint profile_numbers[5] = {0, 1, 2, 3, 4}; -static struct class *kovaplus_class; - static uint kovaplus_convert_event_cpi(uint value) { return (value == 7 ? 4 : (value == 4 ? 3 : value)); @@ -409,6 +407,11 @@ static const struct attribute_group *kovaplus_groups[] = { NULL, }; +static const struct class kovaplus_class = { + .name = "kovaplus", + .dev_groups = kovaplus_groups, +}; + static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev, struct kovaplus_device *kovaplus) { @@ -463,8 +466,8 @@ static int kovaplus_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(kovaplus_class, hdev, - sizeof(struct kovaplus_roccat_report)); + retval = roccat_connect(&kovaplus_class, hdev, + sizeof(struct kovaplus_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { @@ -638,21 +641,20 @@ static int __init kovaplus_init(void) { int retval; - kovaplus_class = class_create("kovaplus"); - if (IS_ERR(kovaplus_class)) - return PTR_ERR(kovaplus_class); - kovaplus_class->dev_groups = kovaplus_groups; + retval = class_register(&kovaplus_class); + if (retval) + return retval; retval = hid_register_driver(&kovaplus_driver); if (retval) - class_destroy(kovaplus_class); + class_unregister(&kovaplus_class); return retval; } static void __exit kovaplus_exit(void) { hid_unregister_driver(&kovaplus_driver); - class_destroy(kovaplus_class); + class_unregister(&kovaplus_class); } module_init(kovaplus_init); diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 15528c3b013c..5663b9cd9c69 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -26,9 +26,6 @@ static uint profile_numbers[5] = {0, 1, 2, 3, 4}; -/* pyra_class is used for creating sysfs attributes via roccat char device */ -static struct class *pyra_class; - static void profile_activated(struct pyra_device *pyra, unsigned int new_profile) { @@ -366,6 +363,12 @@ static const struct attribute_group *pyra_groups[] = { NULL, }; +/* pyra_class is used for creating sysfs attributes via roccat char device */ +static const struct class pyra_class = { + .name = "pyra", + .dev_groups = pyra_groups, +}; + static int pyra_init_pyra_device_struct(struct usb_device *usb_dev, struct pyra_device *pyra) { @@ -413,7 +416,7 @@ static int pyra_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(pyra_class, hdev, + retval = roccat_connect(&pyra_class, hdev, sizeof(struct pyra_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); @@ -585,21 +588,20 @@ static int __init pyra_init(void) int retval; /* class name has to be same as driver name */ - pyra_class = class_create("pyra"); - if (IS_ERR(pyra_class)) - return PTR_ERR(pyra_class); - pyra_class->dev_groups = pyra_groups; + retval = class_register(&pyra_class); + if (retval) + return retval; retval = hid_register_driver(&pyra_driver); if (retval) - class_destroy(pyra_class); + class_unregister(&pyra_class); return retval; } static void __exit pyra_exit(void) { hid_unregister_driver(&pyra_driver); - class_destroy(pyra_class); + class_unregister(&pyra_class); } module_init(pyra_init); diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c index 0eb17a3b925d..57714a4525e2 100644 --- a/drivers/hid/hid-roccat-ryos.c +++ b/drivers/hid/hid-roccat-ryos.c @@ -28,8 +28,6 @@ struct ryos_report_special { uint8_t data[4]; } __packed; -static struct class *ryos_class; - ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x04, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x05, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(keys_primary, 0x06, 0x7d); @@ -80,6 +78,11 @@ static const struct attribute_group *ryos_groups[] = { NULL, }; +static const struct class ryos_class = { + .name = "ryos", + .dev_groups = ryos_groups, +}; + static int ryos_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); @@ -106,7 +109,7 @@ static int ryos_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(ryos_class, hdev, + retval = roccat_connect(&ryos_class, hdev, sizeof(struct ryos_report_special)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); @@ -216,21 +219,20 @@ static int __init ryos_init(void) { int retval; - ryos_class = class_create("ryos"); - if (IS_ERR(ryos_class)) - return PTR_ERR(ryos_class); - ryos_class->dev_groups = ryos_groups; + retval = class_register(&ryos_class); + if (retval) + return retval; retval = hid_register_driver(&ryos_driver); if (retval) - class_destroy(ryos_class); + class_unregister(&ryos_class); return retval; } static void __exit ryos_exit(void) { hid_unregister_driver(&ryos_driver); - class_destroy(ryos_class); + class_unregister(&ryos_class); } module_init(ryos_init); diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c index 93be7acef673..2baa47a0efc5 100644 --- a/drivers/hid/hid-roccat-savu.c +++ b/drivers/hid/hid-roccat-savu.c @@ -22,8 +22,6 @@ #include "hid-roccat-common.h" #include "hid-roccat-savu.h" -static struct class *savu_class; - ROCCAT_COMMON2_BIN_ATTRIBUTE_W(control, 0x4, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(profile, 0x5, 0x03); ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(general, 0x6, 0x10); @@ -52,6 +50,11 @@ static const struct attribute_group *savu_groups[] = { NULL, }; +static const struct class savu_class = { + .name = "savu", + .dev_groups = savu_groups, +}; + static int savu_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); @@ -78,7 +81,7 @@ static int savu_init_specials(struct hid_device *hdev) goto exit_free; } - retval = roccat_connect(savu_class, hdev, + retval = roccat_connect(&savu_class, hdev, sizeof(struct savu_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); @@ -204,21 +207,20 @@ static int __init savu_init(void) { int retval; - savu_class = class_create("savu"); - if (IS_ERR(savu_class)) - return PTR_ERR(savu_class); - savu_class->dev_groups = savu_groups; + retval = class_register(&savu_class); + if (retval) + return retval; retval = hid_register_driver(&savu_driver); if (retval) - class_destroy(savu_class); + class_unregister(&savu_class); return retval; } static void __exit savu_exit(void) { hid_unregister_driver(&savu_driver); - class_destroy(savu_class); + class_unregister(&savu_class); } module_init(savu_init); diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index 6da80e442fdd..c7f7562e22e5 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -295,7 +295,7 @@ EXPORT_SYMBOL_GPL(roccat_report_event); * Return value is minor device number in Range [0, ROCCAT_MAX_DEVICES] on * success, a negative error code on failure. */ -int roccat_connect(struct class *klass, struct hid_device *hid, int report_size) +int roccat_connect(const struct class *klass, struct hid_device *hid, int report_size) { unsigned int minor; struct roccat_device *device; diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 83237b86c8ff..2eba152e8b90 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -632,7 +632,7 @@ static int sensor_hub_probe(struct hid_device *hdev, } INIT_LIST_HEAD(&hdev->inputs); - ret = hid_hw_start(hdev, 0); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hw start failed\n"); return ret; diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c index aae3afc4107a..43d2cf7153d7 100644 --- a/drivers/hid/hid-steelseries.c +++ b/drivers/hid/hid-steelseries.c @@ -1,8 +1,9 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * HID driver for Steelseries SRW-S1 + * HID driver for Steelseries devices * * Copyright (c) 2013 Simon Wood + * Copyright (c) 2023 Bastien Nocera */ /* @@ -11,10 +12,28 @@ #include <linux/device.h> #include <linux/hid.h> #include <linux/module.h> +#include <linux/usb.h> #include <linux/leds.h> #include "hid-ids.h" +#define STEELSERIES_SRWS1 BIT(0) +#define STEELSERIES_ARCTIS_1 BIT(1) + +struct steelseries_device { + struct hid_device *hdev; + unsigned long quirks; + + struct delayed_work battery_work; + spinlock_t lock; + bool removed; + + struct power_supply_desc battery_desc; + struct power_supply *battery; + uint8_t battery_capacity; + bool headset_connected; +}; + #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) #define SRWS1_NUMBER_LEDS 15 @@ -353,9 +372,211 @@ static void steelseries_srws1_remove(struct hid_device *hdev) } #endif +#define STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS 3000 + +#define ARCTIS_1_BATTERY_RESPONSE_LEN 8 +static const char arctis_1_battery_request[] = { 0x06, 0x12 }; + +static int steelseries_headset_arctis_1_fetch_battery(struct hid_device *hdev) +{ + u8 *write_buf; + int ret; + + /* Request battery information */ + write_buf = kmemdup(arctis_1_battery_request, sizeof(arctis_1_battery_request), GFP_KERNEL); + if (!write_buf) + return -ENOMEM; + + ret = hid_hw_raw_request(hdev, arctis_1_battery_request[0], + write_buf, sizeof(arctis_1_battery_request), + HID_OUTPUT_REPORT, HID_REQ_SET_REPORT); + if (ret < sizeof(arctis_1_battery_request)) { + hid_err(hdev, "hid_hw_raw_request() failed with %d\n", ret); + ret = -ENODATA; + } + kfree(write_buf); + return ret; +} + +static void steelseries_headset_fetch_battery(struct hid_device *hdev) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + int ret = 0; + + if (sd->quirks & STEELSERIES_ARCTIS_1) + ret = steelseries_headset_arctis_1_fetch_battery(hdev); + + if (ret < 0) + hid_dbg(hdev, + "Battery query failed (err: %d)\n", ret); +} + +static void steelseries_headset_battery_timer_tick(struct work_struct *work) +{ + struct steelseries_device *sd = container_of(work, + struct steelseries_device, battery_work.work); + struct hid_device *hdev = sd->hdev; + + steelseries_headset_fetch_battery(hdev); +} + +static int steelseries_headset_battery_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct steelseries_device *sd = power_supply_get_drvdata(psy); + int ret = 0; + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_STATUS: + val->intval = sd->headset_connected ? + POWER_SUPPLY_STATUS_DISCHARGING : + POWER_SUPPLY_STATUS_UNKNOWN; + break; + case POWER_SUPPLY_PROP_SCOPE: + val->intval = POWER_SUPPLY_SCOPE_DEVICE; + break; + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = sd->battery_capacity; + break; + default: + ret = -EINVAL; + break; + } + return ret; +} + +static void +steelseries_headset_set_wireless_status(struct hid_device *hdev, + bool connected) +{ + struct usb_interface *intf; + + if (!hid_is_usb(hdev)) + return; + + intf = to_usb_interface(hdev->dev.parent); + usb_set_wireless_status(intf, connected ? + USB_WIRELESS_STATUS_CONNECTED : + USB_WIRELESS_STATUS_DISCONNECTED); +} + +static enum power_supply_property steelseries_headset_battery_props[] = { + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_SCOPE, + POWER_SUPPLY_PROP_CAPACITY, +}; + +static int steelseries_headset_battery_register(struct steelseries_device *sd) +{ + static atomic_t battery_no = ATOMIC_INIT(0); + struct power_supply_config battery_cfg = { .drv_data = sd, }; + unsigned long n; + int ret; + + sd->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY; + sd->battery_desc.properties = steelseries_headset_battery_props; + sd->battery_desc.num_properties = ARRAY_SIZE(steelseries_headset_battery_props); + sd->battery_desc.get_property = steelseries_headset_battery_get_property; + sd->battery_desc.use_for_apm = 0; + n = atomic_inc_return(&battery_no) - 1; + sd->battery_desc.name = devm_kasprintf(&sd->hdev->dev, GFP_KERNEL, + "steelseries_headset_battery_%ld", n); + if (!sd->battery_desc.name) + return -ENOMEM; + + /* avoid the warning of 0% battery while waiting for the first info */ + steelseries_headset_set_wireless_status(sd->hdev, false); + sd->battery_capacity = 100; + + sd->battery = devm_power_supply_register(&sd->hdev->dev, + &sd->battery_desc, &battery_cfg); + if (IS_ERR(sd->battery)) { + ret = PTR_ERR(sd->battery); + hid_err(sd->hdev, + "%s:power_supply_register failed with error %d\n", + __func__, ret); + return ret; + } + power_supply_powers(sd->battery, &sd->hdev->dev); + + INIT_DELAYED_WORK(&sd->battery_work, steelseries_headset_battery_timer_tick); + steelseries_headset_fetch_battery(sd->hdev); + + return 0; +} + +static int steelseries_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct steelseries_device *sd; + int ret; + + sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL); + if (!sd) + return -ENOMEM; + hid_set_drvdata(hdev, sd); + sd->hdev = hdev; + sd->quirks = id->driver_data; + + if (sd->quirks & STEELSERIES_SRWS1) { +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) + return steelseries_srws1_probe(hdev, id); +#else + return -ENODEV; +#endif + } + + ret = hid_parse(hdev); + if (ret) + return ret; + + spin_lock_init(&sd->lock); + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) + return ret; + + if (steelseries_headset_battery_register(sd) < 0) + hid_err(sd->hdev, + "Failed to register battery for headset\n"); + + return ret; +} + +static void steelseries_remove(struct hid_device *hdev) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + unsigned long flags; + + if (sd->quirks & STEELSERIES_SRWS1) { +#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ + (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) + steelseries_srws1_remove(hdev); +#endif + return; + } + + spin_lock_irqsave(&sd->lock, flags); + sd->removed = true; + spin_unlock_irqrestore(&sd->lock, flags); + + cancel_delayed_work_sync(&sd->battery_work); + + hid_hw_stop(hdev); +} + static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { + if (hdev->vendor != USB_VENDOR_ID_STEELSERIES || + hdev->product != USB_DEVICE_ID_STEELSERIES_SRWS1) + return rdesc; + if (*rsize >= 115 && rdesc[11] == 0x02 && rdesc[13] == 0xc8 && rdesc[29] == 0xbb && rdesc[40] == 0xc5) { hid_info(hdev, "Fixing up Steelseries SRW-S1 report descriptor\n"); @@ -365,22 +586,82 @@ static __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev, __u8 *rdesc return rdesc; } -static const struct hid_device_id steelseries_srws1_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, +static int steelseries_headset_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *read_buf, + int size) +{ + struct steelseries_device *sd = hid_get_drvdata(hdev); + int capacity = sd->battery_capacity; + bool connected = sd->headset_connected; + unsigned long flags; + + /* Not a headset */ + if (sd->quirks & STEELSERIES_SRWS1) + return 0; + + if (sd->quirks & STEELSERIES_ARCTIS_1) { + hid_dbg(sd->hdev, + "Parsing raw event for Arctis 1 headset (%*ph)\n", size, read_buf); + if (size < ARCTIS_1_BATTERY_RESPONSE_LEN || + memcmp (read_buf, arctis_1_battery_request, sizeof(arctis_1_battery_request))) + return 0; + if (read_buf[2] == 0x01) { + connected = false; + capacity = 100; + } else { + connected = true; + capacity = read_buf[3]; + } + } + + if (connected != sd->headset_connected) { + hid_dbg(sd->hdev, + "Connected status changed from %sconnected to %sconnected\n", + sd->headset_connected ? "" : "not ", + connected ? "" : "not "); + sd->headset_connected = connected; + steelseries_headset_set_wireless_status(hdev, connected); + } + + if (capacity != sd->battery_capacity) { + hid_dbg(sd->hdev, + "Battery capacity changed from %d%% to %d%%\n", + sd->battery_capacity, capacity); + sd->battery_capacity = capacity; + power_supply_changed(sd->battery); + } + + spin_lock_irqsave(&sd->lock, flags); + if (!sd->removed) + schedule_delayed_work(&sd->battery_work, + msecs_to_jiffies(STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS)); + spin_unlock_irqrestore(&sd->lock, flags); + + return 0; +} + +static const struct hid_device_id steelseries_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1), + .driver_data = STEELSERIES_SRWS1 }, + + { /* SteelSeries Arctis 1 Wireless for XBox */ + HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, 0x12b6), + .driver_data = STEELSERIES_ARCTIS_1 }, + { } }; -MODULE_DEVICE_TABLE(hid, steelseries_srws1_devices); - -static struct hid_driver steelseries_srws1_driver = { - .name = "steelseries_srws1", - .id_table = steelseries_srws1_devices, -#if IS_BUILTIN(CONFIG_LEDS_CLASS) || \ - (IS_MODULE(CONFIG_LEDS_CLASS) && IS_MODULE(CONFIG_HID_STEELSERIES)) - .probe = steelseries_srws1_probe, - .remove = steelseries_srws1_remove, -#endif - .report_fixup = steelseries_srws1_report_fixup +MODULE_DEVICE_TABLE(hid, steelseries_devices); + +static struct hid_driver steelseries_driver = { + .name = "steelseries", + .id_table = steelseries_devices, + .probe = steelseries_probe, + .remove = steelseries_remove, + .report_fixup = steelseries_srws1_report_fixup, + .raw_event = steelseries_headset_raw_event, }; -module_hid_driver(steelseries_srws1_driver); +module_hid_driver(steelseries_driver); MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>"); +MODULE_AUTHOR("Simon Wood <simon@mungewell.org>"); diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c index f67835f9ed4c..ad74cbc9a0aa 100644 --- a/drivers/hid/hid-uclogic-core.c +++ b/drivers/hid/hid-uclogic-core.c @@ -85,10 +85,8 @@ static int uclogic_input_configured(struct hid_device *hdev, { struct uclogic_drvdata *drvdata = hid_get_drvdata(hdev); struct uclogic_params *params = &drvdata->params; - char *name; const char *suffix = NULL; struct hid_field *field; - size_t len; size_t i; const struct uclogic_params_frame *frame; @@ -146,14 +144,9 @@ static int uclogic_input_configured(struct hid_device *hdev, } } - if (suffix) { - len = strlen(hdev->name) + 2 + strlen(suffix); - name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL); - if (name) { - snprintf(name, len, "%s %s", hdev->name, suffix); - hi->input->name = name; - } - } + if (suffix) + hi->input->name = devm_kasprintf(&hdev->dev, GFP_KERNEL, + "%s %s", hdev->name, suffix); return 0; } diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c index a99dcca2e099..00f9be55f148 100644 --- a/drivers/hid/hid-wiimote-debug.c +++ b/drivers/hid/hid-wiimote-debug.c @@ -173,7 +173,6 @@ int wiidebug_init(struct wiimote_data *wdata) { struct wiimote_debug *dbg; unsigned long flags; - int ret = -ENOMEM; dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); if (!dbg) @@ -183,13 +182,9 @@ int wiidebug_init(struct wiimote_data *wdata) dbg->eeprom = debugfs_create_file("eeprom", S_IRUSR, dbg->wdata->hdev->debug_dir, dbg, &wiidebug_eeprom_fops); - if (!dbg->eeprom) - goto err; dbg->drm = debugfs_create_file("drm", S_IRUSR, dbg->wdata->hdev->debug_dir, dbg, &wiidebug_drm_fops); - if (!dbg->drm) - goto err_drm; spin_lock_irqsave(&wdata->state.lock, flags); wdata->debug = dbg; @@ -197,11 +192,6 @@ int wiidebug_init(struct wiimote_data *wdata) return 0; -err_drm: - debugfs_remove(dbg->eeprom); -err: - kfree(dbg); - return ret; } void wiidebug_deinit(struct wiimote_data *wdata) diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index e63c56a0d57f..13c8dd8cd350 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -32,7 +32,9 @@ static int hidraw_major; static struct cdev hidraw_cdev; -static struct class *hidraw_class; +static const struct class hidraw_class = { + .name = "hidraw", +}; static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES]; static DECLARE_RWSEM(minors_rwsem); @@ -329,7 +331,7 @@ static void drop_ref(struct hidraw *hidraw, int exists_bit) hid_hw_close(hidraw->hid); wake_up_interruptible(&hidraw->wait); } - device_destroy(hidraw_class, + device_destroy(&hidraw_class, MKDEV(hidraw_major, hidraw->minor)); } else { --hidraw->open; @@ -569,7 +571,7 @@ int hidraw_connect(struct hid_device *hid) goto out; } - dev->dev = device_create(hidraw_class, &hid->dev, MKDEV(hidraw_major, minor), + dev->dev = device_create(&hidraw_class, &hid->dev, MKDEV(hidraw_major, minor), NULL, "%s%d", "hidraw", minor); if (IS_ERR(dev->dev)) { @@ -623,11 +625,9 @@ int __init hidraw_init(void) hidraw_major = MAJOR(dev_id); - hidraw_class = class_create("hidraw"); - if (IS_ERR(hidraw_class)) { - result = PTR_ERR(hidraw_class); + result = class_register(&hidraw_class); + if (result) goto error_cdev; - } cdev_init(&hidraw_cdev, &hidraw_ops); result = cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES); @@ -639,7 +639,7 @@ out: return result; error_class: - class_destroy(hidraw_class); + class_unregister(&hidraw_class); error_cdev: unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); goto out; @@ -650,7 +650,7 @@ void hidraw_exit(void) dev_t dev_id = MKDEV(hidraw_major, 0); cdev_del(&hidraw_cdev); - class_destroy(hidraw_class); + class_unregister(&hidraw_class); unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); } diff --git a/drivers/hid/i2c-hid/Kconfig b/drivers/hid/i2c-hid/Kconfig index 3be17109301a..ef7c595c9403 100644 --- a/drivers/hid/i2c-hid/Kconfig +++ b/drivers/hid/i2c-hid/Kconfig @@ -9,6 +9,7 @@ if I2C_HID config I2C_HID_ACPI tristate "HID over I2C transport layer ACPI driver" depends on ACPI + depends on DRM || !DRM select I2C_HID_CORE help Say Y here if you use a keyboard, a touchpad, a touchscreen, or any @@ -25,6 +26,7 @@ config I2C_HID_OF tristate "HID over I2C transport layer Open Firmware driver" # No "depends on OF" because this can also be used for manually # (board-file) instantiated "hid-over-i2c" type i2c-clients. + depends on DRM || !DRM select I2C_HID_CORE help Say Y here if you use a keyboard, a touchpad, a touchscreen, or any @@ -41,6 +43,7 @@ config I2C_HID_OF config I2C_HID_OF_ELAN tristate "Driver for Elan hid-i2c based devices on OF systems" depends on OF + depends on DRM || !DRM select I2C_HID_CORE help Say Y here if you want support for Elan i2c devices that use @@ -56,6 +59,7 @@ config I2C_HID_OF_ELAN config I2C_HID_OF_GOODIX tristate "Driver for Goodix hid-i2c based devices on OF systems" depends on OF + depends on DRM || !DRM select I2C_HID_CORE help Say Y here if you want support for Goodix i2c devices that use @@ -70,5 +74,7 @@ config I2C_HID_OF_GOODIX config I2C_HID_CORE tristate + # We need to call into panel code so if DRM=m, this can't be 'y' + depends on DRM || !DRM endif diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index efbba0465eef..9601c0605fd9 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -38,6 +38,8 @@ #include <linux/mutex.h> #include <asm/unaligned.h> +#include <drm/drm_panel.h> + #include "../hid-ids.h" #include "i2c-hid.h" @@ -107,6 +109,10 @@ struct i2c_hid { struct mutex reset_lock; struct i2chid_ops *ops; + struct drm_panel_follower panel_follower; + struct work_struct panel_follower_prepare_work; + bool is_panel_follower; + bool prepare_work_finished; }; static const struct i2c_hid_quirks { @@ -855,7 +861,8 @@ static int i2c_hid_init_irq(struct i2c_client *client) irqflags = IRQF_TRIGGER_LOW; ret = request_threaded_irq(client->irq, NULL, i2c_hid_irq, - irqflags | IRQF_ONESHOT, client->name, ihid); + irqflags | IRQF_ONESHOT | IRQF_NO_AUTOEN, + client->name, ihid); if (ret < 0) { dev_warn(&client->dev, "Could not register for %s interrupt, irq = %d," @@ -940,6 +947,239 @@ static void i2c_hid_core_shutdown_tail(struct i2c_hid *ihid) ihid->ops->shutdown_tail(ihid->ops); } +static int i2c_hid_core_suspend(struct i2c_hid *ihid, bool force_poweroff) +{ + struct i2c_client *client = ihid->client; + struct hid_device *hid = ihid->hid; + int ret; + + ret = hid_driver_suspend(hid, PMSG_SUSPEND); + if (ret < 0) + return ret; + + /* Save some power */ + i2c_hid_set_power(ihid, I2C_HID_PWR_SLEEP); + + disable_irq(client->irq); + + if (force_poweroff || !device_may_wakeup(&client->dev)) + i2c_hid_core_power_down(ihid); + + return 0; +} + +static int i2c_hid_core_resume(struct i2c_hid *ihid) +{ + struct i2c_client *client = ihid->client; + struct hid_device *hid = ihid->hid; + int ret; + + if (!device_may_wakeup(&client->dev)) + i2c_hid_core_power_up(ihid); + + enable_irq(client->irq); + + /* Instead of resetting device, simply powers the device on. This + * solves "incomplete reports" on Raydium devices 2386:3118 and + * 2386:4B33 and fixes various SIS touchscreens no longer sending + * data after a suspend/resume. + * + * However some ALPS touchpads generate IRQ storm without reset, so + * let's still reset them here. + */ + if (ihid->quirks & I2C_HID_QUIRK_RESET_ON_RESUME) + ret = i2c_hid_hwreset(ihid); + else + ret = i2c_hid_set_power(ihid, I2C_HID_PWR_ON); + + if (ret) + return ret; + + return hid_driver_reset_resume(hid); +} + +/** + * __do_i2c_hid_core_initial_power_up() - First time power up of the i2c-hid device. + * @ihid: The ihid object created during probe. + * + * This function is called at probe time. + * + * The initial power on is where we do some basic validation that the device + * exists, where we fetch the HID descriptor, and where we create the actual + * HID devices. + * + * Return: 0 or error code. + */ +static int __do_i2c_hid_core_initial_power_up(struct i2c_hid *ihid) +{ + struct i2c_client *client = ihid->client; + struct hid_device *hid = ihid->hid; + int ret; + + ret = i2c_hid_core_power_up(ihid); + if (ret) + return ret; + + /* Make sure there is something at this address */ + ret = i2c_smbus_read_byte(client); + if (ret < 0) { + i2c_hid_dbg(ihid, "nothing at this address: %d\n", ret); + ret = -ENXIO; + goto err; + } + + ret = i2c_hid_fetch_hid_descriptor(ihid); + if (ret < 0) { + dev_err(&client->dev, + "Failed to fetch the HID Descriptor\n"); + goto err; + } + + enable_irq(client->irq); + + hid->version = le16_to_cpu(ihid->hdesc.bcdVersion); + hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID); + hid->product = le16_to_cpu(ihid->hdesc.wProductID); + + hid->initial_quirks |= i2c_hid_get_dmi_quirks(hid->vendor, + hid->product); + + snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", + client->name, (u16)hid->vendor, (u16)hid->product); + strscpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys)); + + ihid->quirks = i2c_hid_lookup_quirk(hid->vendor, hid->product); + + ret = hid_add_device(hid); + if (ret) { + if (ret != -ENODEV) + hid_err(client, "can't add hid device: %d\n", ret); + goto err; + } + + return 0; + +err: + i2c_hid_core_power_down(ihid); + return ret; +} + +static void ihid_core_panel_prepare_work(struct work_struct *work) +{ + struct i2c_hid *ihid = container_of(work, struct i2c_hid, + panel_follower_prepare_work); + struct hid_device *hid = ihid->hid; + int ret; + + /* + * hid->version is set on the first power up. If it's still zero then + * this is the first power on so we should perform initial power up + * steps. + */ + if (!hid->version) + ret = __do_i2c_hid_core_initial_power_up(ihid); + else + ret = i2c_hid_core_resume(ihid); + + if (ret) + dev_warn(&ihid->client->dev, "Power on failed: %d\n", ret); + else + WRITE_ONCE(ihid->prepare_work_finished, true); + + /* + * The work APIs provide a number of memory ordering guarantees + * including one that says that memory writes before schedule_work() + * are always visible to the work function, but they don't appear to + * guarantee that a write that happened in the work is visible after + * cancel_work_sync(). We'll add a write memory barrier here to match + * with i2c_hid_core_panel_unpreparing() to ensure that our write to + * prepare_work_finished is visible there. + */ + smp_wmb(); +} + +static int i2c_hid_core_panel_prepared(struct drm_panel_follower *follower) +{ + struct i2c_hid *ihid = container_of(follower, struct i2c_hid, panel_follower); + + /* + * Powering on a touchscreen can be a slow process. Queue the work to + * the system workqueue so we don't block the panel's power up. + */ + WRITE_ONCE(ihid->prepare_work_finished, false); + schedule_work(&ihid->panel_follower_prepare_work); + + return 0; +} + +static int i2c_hid_core_panel_unpreparing(struct drm_panel_follower *follower) +{ + struct i2c_hid *ihid = container_of(follower, struct i2c_hid, panel_follower); + + cancel_work_sync(&ihid->panel_follower_prepare_work); + + /* Match with ihid_core_panel_prepare_work() */ + smp_rmb(); + if (!READ_ONCE(ihid->prepare_work_finished)) + return 0; + + return i2c_hid_core_suspend(ihid, true); +} + +static const struct drm_panel_follower_funcs i2c_hid_core_panel_follower_funcs = { + .panel_prepared = i2c_hid_core_panel_prepared, + .panel_unpreparing = i2c_hid_core_panel_unpreparing, +}; + +static int i2c_hid_core_register_panel_follower(struct i2c_hid *ihid) +{ + struct device *dev = &ihid->client->dev; + int ret; + + ihid->is_panel_follower = true; + ihid->panel_follower.funcs = &i2c_hid_core_panel_follower_funcs; + + /* + * If we're not in control of our own power up/power down then we can't + * do the logic to manage wakeups. Give a warning if a user thought + * that was possible then force the capability off. + */ + if (device_can_wakeup(dev)) { + dev_warn(dev, "Can't wakeup if following panel\n"); + device_set_wakeup_capable(dev, false); + } + + ret = drm_panel_add_follower(dev, &ihid->panel_follower); + if (ret) + return ret; + + return 0; +} + +static int i2c_hid_core_initial_power_up(struct i2c_hid *ihid) +{ + /* + * If we're a panel follower, we'll register and do our initial power + * up when the panel turns on; otherwise we do it right away. + */ + if (drm_is_panel_follower(&ihid->client->dev)) + return i2c_hid_core_register_panel_follower(ihid); + else + return __do_i2c_hid_core_initial_power_up(ihid); +} + +static void i2c_hid_core_final_power_down(struct i2c_hid *ihid) +{ + /* + * If we're a follower, the act of unfollowing will cause us to be + * powered down. Otherwise we need to manually do it. + */ + if (ihid->is_panel_follower) + drm_panel_remove_follower(&ihid->panel_follower); + else + i2c_hid_core_suspend(ihid, true); +} + int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, u16 hid_descriptor_address, u32 quirks) { @@ -966,48 +1206,27 @@ int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, if (!ihid) return -ENOMEM; - ihid->ops = ops; - - ret = i2c_hid_core_power_up(ihid); - if (ret) - return ret; - i2c_set_clientdata(client, ihid); + ihid->ops = ops; ihid->client = client; - ihid->wHIDDescRegister = cpu_to_le16(hid_descriptor_address); init_waitqueue_head(&ihid->wait); mutex_init(&ihid->reset_lock); + INIT_WORK(&ihid->panel_follower_prepare_work, ihid_core_panel_prepare_work); /* we need to allocate the command buffer without knowing the maximum * size of the reports. Let's use HID_MIN_BUFFER_SIZE, then we do the * real computation later. */ ret = i2c_hid_alloc_buffers(ihid, HID_MIN_BUFFER_SIZE); if (ret < 0) - goto err_powered; - + return ret; device_enable_async_suspend(&client->dev); - /* Make sure there is something at this address */ - ret = i2c_smbus_read_byte(client); - if (ret < 0) { - i2c_hid_dbg(ihid, "nothing at this address: %d\n", ret); - ret = -ENXIO; - goto err_powered; - } - - ret = i2c_hid_fetch_hid_descriptor(ihid); - if (ret < 0) { - dev_err(&client->dev, - "Failed to fetch the HID Descriptor\n"); - goto err_powered; - } - ret = i2c_hid_init_irq(client); if (ret < 0) - goto err_powered; + goto err_buffers_allocated; hid = hid_allocate_device(); if (IS_ERR(hid)) { @@ -1021,26 +1240,11 @@ int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, hid->ll_driver = &i2c_hid_ll_driver; hid->dev.parent = &client->dev; hid->bus = BUS_I2C; - hid->version = le16_to_cpu(ihid->hdesc.bcdVersion); - hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID); - hid->product = le16_to_cpu(ihid->hdesc.wProductID); - hid->initial_quirks = quirks; - hid->initial_quirks |= i2c_hid_get_dmi_quirks(hid->vendor, - hid->product); - - snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", - client->name, (u16)hid->vendor, (u16)hid->product); - strscpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys)); - - ihid->quirks = i2c_hid_lookup_quirk(hid->vendor, hid->product); - ret = hid_add_device(hid); - if (ret) { - if (ret != -ENODEV) - hid_err(client, "can't add hid device: %d\n", ret); + ret = i2c_hid_core_initial_power_up(ihid); + if (ret) goto err_mem_free; - } return 0; @@ -1050,9 +1254,9 @@ err_mem_free: err_irq: free_irq(client->irq, ihid); -err_powered: - i2c_hid_core_power_down(ihid); +err_buffers_allocated: i2c_hid_free_buffers(ihid); + return ret; } EXPORT_SYMBOL_GPL(i2c_hid_core_probe); @@ -1062,6 +1266,8 @@ void i2c_hid_core_remove(struct i2c_client *client) struct i2c_hid *ihid = i2c_get_clientdata(client); struct hid_device *hid; + i2c_hid_core_final_power_down(ihid); + hid = ihid->hid; hid_destroy_device(hid); @@ -1069,8 +1275,6 @@ void i2c_hid_core_remove(struct i2c_client *client) if (ihid->bufsize) i2c_hid_free_buffers(ihid); - - i2c_hid_core_power_down(ihid); } EXPORT_SYMBOL_GPL(i2c_hid_core_remove); @@ -1085,63 +1289,30 @@ void i2c_hid_core_shutdown(struct i2c_client *client) } EXPORT_SYMBOL_GPL(i2c_hid_core_shutdown); -#ifdef CONFIG_PM_SLEEP -static int i2c_hid_core_suspend(struct device *dev) +static int i2c_hid_core_pm_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct i2c_hid *ihid = i2c_get_clientdata(client); - struct hid_device *hid = ihid->hid; - int ret; - - ret = hid_driver_suspend(hid, PMSG_SUSPEND); - if (ret < 0) - return ret; - - /* Save some power */ - i2c_hid_set_power(ihid, I2C_HID_PWR_SLEEP); - disable_irq(client->irq); - - if (!device_may_wakeup(&client->dev)) - i2c_hid_core_power_down(ihid); + if (ihid->is_panel_follower) + return 0; - return 0; + return i2c_hid_core_suspend(ihid, false); } -static int i2c_hid_core_resume(struct device *dev) +static int i2c_hid_core_pm_resume(struct device *dev) { - int ret; struct i2c_client *client = to_i2c_client(dev); struct i2c_hid *ihid = i2c_get_clientdata(client); - struct hid_device *hid = ihid->hid; - - if (!device_may_wakeup(&client->dev)) - i2c_hid_core_power_up(ihid); - - enable_irq(client->irq); - - /* Instead of resetting device, simply powers the device on. This - * solves "incomplete reports" on Raydium devices 2386:3118 and - * 2386:4B33 and fixes various SIS touchscreens no longer sending - * data after a suspend/resume. - * - * However some ALPS touchpads generate IRQ storm without reset, so - * let's still reset them here. - */ - if (ihid->quirks & I2C_HID_QUIRK_RESET_ON_RESUME) - ret = i2c_hid_hwreset(ihid); - else - ret = i2c_hid_set_power(ihid, I2C_HID_PWR_ON); - if (ret) - return ret; + if (ihid->is_panel_follower) + return 0; - return hid_driver_reset_resume(hid); + return i2c_hid_core_resume(ihid); } -#endif const struct dev_pm_ops i2c_hid_core_pm = { - SET_SYSTEM_SLEEP_PM_OPS(i2c_hid_core_suspend, i2c_hid_core_resume) + SYSTEM_SLEEP_PM_OPS(i2c_hid_core_pm_suspend, i2c_hid_core_pm_resume) }; EXPORT_SYMBOL_GPL(i2c_hid_core_pm); diff --git a/drivers/hid/i2c-hid/i2c-hid-of-elan.c b/drivers/hid/i2c-hid/i2c-hid-of-elan.c index 029045d9661c..31abab57ad44 100644 --- a/drivers/hid/i2c-hid/i2c-hid-of-elan.c +++ b/drivers/hid/i2c-hid/i2c-hid-of-elan.c @@ -18,9 +18,11 @@ #include "i2c-hid.h" struct elan_i2c_hid_chip_data { - unsigned int post_gpio_reset_delay_ms; + unsigned int post_gpio_reset_on_delay_ms; + unsigned int post_gpio_reset_off_delay_ms; unsigned int post_power_delay_ms; u16 hid_descriptor_address; + const char *main_supply_name; }; struct i2c_hid_of_elan { @@ -38,9 +40,11 @@ static int elan_i2c_hid_power_up(struct i2chid_ops *ops) container_of(ops, struct i2c_hid_of_elan, ops); int ret; - ret = regulator_enable(ihid_elan->vcc33); - if (ret) - return ret; + if (ihid_elan->vcc33) { + ret = regulator_enable(ihid_elan->vcc33); + if (ret) + return ret; + } ret = regulator_enable(ihid_elan->vccio); if (ret) { @@ -52,8 +56,8 @@ static int elan_i2c_hid_power_up(struct i2chid_ops *ops) msleep(ihid_elan->chip_data->post_power_delay_ms); gpiod_set_value_cansleep(ihid_elan->reset_gpio, 0); - if (ihid_elan->chip_data->post_gpio_reset_delay_ms) - msleep(ihid_elan->chip_data->post_gpio_reset_delay_ms); + if (ihid_elan->chip_data->post_gpio_reset_on_delay_ms) + msleep(ihid_elan->chip_data->post_gpio_reset_on_delay_ms); return 0; } @@ -64,8 +68,12 @@ static void elan_i2c_hid_power_down(struct i2chid_ops *ops) container_of(ops, struct i2c_hid_of_elan, ops); gpiod_set_value_cansleep(ihid_elan->reset_gpio, 1); + if (ihid_elan->chip_data->post_gpio_reset_off_delay_ms) + msleep(ihid_elan->chip_data->post_gpio_reset_off_delay_ms); + regulator_disable(ihid_elan->vccio); - regulator_disable(ihid_elan->vcc33); + if (ihid_elan->vcc33) + regulator_disable(ihid_elan->vcc33); } static int i2c_hid_of_elan_probe(struct i2c_client *client) @@ -89,24 +97,42 @@ static int i2c_hid_of_elan_probe(struct i2c_client *client) if (IS_ERR(ihid_elan->vccio)) return PTR_ERR(ihid_elan->vccio); - ihid_elan->vcc33 = devm_regulator_get(&client->dev, "vcc33"); - if (IS_ERR(ihid_elan->vcc33)) - return PTR_ERR(ihid_elan->vcc33); - ihid_elan->chip_data = device_get_match_data(&client->dev); + if (ihid_elan->chip_data->main_supply_name) { + ihid_elan->vcc33 = devm_regulator_get(&client->dev, + ihid_elan->chip_data->main_supply_name); + if (IS_ERR(ihid_elan->vcc33)) + return PTR_ERR(ihid_elan->vcc33); + } + return i2c_hid_core_probe(client, &ihid_elan->ops, ihid_elan->chip_data->hid_descriptor_address, 0); } static const struct elan_i2c_hid_chip_data elan_ekth6915_chip_data = { .post_power_delay_ms = 1, - .post_gpio_reset_delay_ms = 300, + .post_gpio_reset_on_delay_ms = 300, + .hid_descriptor_address = 0x0001, + .main_supply_name = "vcc33", +}; + +static const struct elan_i2c_hid_chip_data ilitek_ili9882t_chip_data = { + .post_power_delay_ms = 1, + .post_gpio_reset_on_delay_ms = 200, + .post_gpio_reset_off_delay_ms = 65, .hid_descriptor_address = 0x0001, + /* + * this touchscreen is tightly integrated with the panel and assumes + * that the relevant power rails (other than the IO rail) have already + * been turned on by the panel driver because we're a panel follower. + */ + .main_supply_name = NULL, }; static const struct of_device_id elan_i2c_hid_of_match[] = { { .compatible = "elan,ekth6915", .data = &elan_ekth6915_chip_data }, + { .compatible = "ilitek,ili9882t", .data = &ilitek_ili9882t_chip_data }, { } }; MODULE_DEVICE_TABLE(of, elan_i2c_hid_of_match); diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h index 4da50e19808e..166a76c9bcad 100644 --- a/drivers/hid/wacom.h +++ b/drivers/hid/wacom.h @@ -150,6 +150,7 @@ struct wacom_remote { struct input_dev *input; bool registered; struct wacom_battery battery; + ktime_t active_time; } remotes[WACOM_MAX_REMOTES]; }; diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 76e5353aca0c..3f704b8072e8 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1997,7 +1997,7 @@ static int wacom_initialize_remotes(struct wacom *wacom) spin_lock_init(&remote->remote_lock); error = kfifo_alloc(&remote->remote_fifo, - 5 * sizeof(struct wacom_remote_data), + 5 * sizeof(struct wacom_remote_work_data), GFP_KERNEL); if (error) { hid_err(wacom->hdev, "failed allocating remote_fifo\n"); @@ -2523,6 +2523,18 @@ fail: return; } +static void wacom_remote_destroy_battery(struct wacom *wacom, int index) +{ + struct wacom_remote *remote = wacom->remote; + + if (remote->remotes[index].battery.battery) { + devres_release_group(&wacom->hdev->dev, + &remote->remotes[index].battery.bat_desc); + remote->remotes[index].battery.battery = NULL; + remote->remotes[index].active_time = 0; + } +} + static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) { struct wacom_remote *remote = wacom->remote; @@ -2537,9 +2549,7 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) remote->remotes[i].registered = false; spin_unlock_irqrestore(&remote->remote_lock, flags); - if (remote->remotes[i].battery.battery) - devres_release_group(&wacom->hdev->dev, - &remote->remotes[i].battery.bat_desc); + wacom_remote_destroy_battery(wacom, i); if (remote->remotes[i].group.name) devres_release_group(&wacom->hdev->dev, @@ -2547,7 +2557,6 @@ static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) remote->remotes[i].serial = 0; remote->remotes[i].group.name = NULL; - remote->remotes[i].battery.battery = NULL; wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; } } @@ -2632,6 +2641,9 @@ static int wacom_remote_attach_battery(struct wacom *wacom, int index) if (remote->remotes[index].battery.battery) return 0; + if (!remote->remotes[index].active_time) + return 0; + if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN) return 0; @@ -2647,17 +2659,19 @@ static void wacom_remote_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, remote_work); struct wacom_remote *remote = wacom->remote; - struct wacom_remote_data data; + ktime_t kt = ktime_get(); + struct wacom_remote_work_data remote_work_data; unsigned long flags; unsigned int count; - u32 serial; + u32 work_serial; int i; spin_lock_irqsave(&remote->remote_lock, flags); - count = kfifo_out(&remote->remote_fifo, &data, sizeof(data)); + count = kfifo_out(&remote->remote_fifo, &remote_work_data, + sizeof(remote_work_data)); - if (count != sizeof(data)) { + if (count != sizeof(remote_work_data)) { hid_err(wacom->hdev, "workitem triggered without status available\n"); spin_unlock_irqrestore(&remote->remote_lock, flags); @@ -2670,10 +2684,14 @@ static void wacom_remote_work(struct work_struct *work) spin_unlock_irqrestore(&remote->remote_lock, flags); for (i = 0; i < WACOM_MAX_REMOTES; i++) { - serial = data.remote[i].serial; - if (data.remote[i].connected) { + work_serial = remote_work_data.remote[i].serial; + if (work_serial) { + + if (kt - remote->remotes[i].active_time > WACOM_REMOTE_BATTERY_TIMEOUT + && remote->remotes[i].active_time != 0) + wacom_remote_destroy_battery(wacom, i); - if (remote->remotes[i].serial == serial) { + if (remote->remotes[i].serial == work_serial) { wacom_remote_attach_battery(wacom, i); continue; } @@ -2681,7 +2699,7 @@ static void wacom_remote_work(struct work_struct *work) if (remote->remotes[i].serial) wacom_remote_destroy_one(wacom, i); - wacom_remote_create_one(wacom, serial, i); + wacom_remote_create_one(wacom, work_serial, i); } else if (remote->remotes[i].serial) { wacom_remote_destroy_one(wacom, i); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 174bf03908d7..471db78dbbf0 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1134,6 +1134,7 @@ static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len) if (index < 0 || !remote->remotes[index].registered) goto out; + remote->remotes[i].active_time = ktime_get(); input = remote->remotes[index].input; input_report_key(input, BTN_0, (data[9] & 0x01)); @@ -1196,22 +1197,20 @@ static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len) struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac); unsigned char *data = wacom_wac->data; struct wacom_remote *remote = wacom->remote; - struct wacom_remote_data remote_data; + struct wacom_remote_work_data remote_data; unsigned long flags; int i, ret; if (data[0] != WACOM_REPORT_DEVICE_LIST) return; - memset(&remote_data, 0, sizeof(struct wacom_remote_data)); + memset(&remote_data, 0, sizeof(struct wacom_remote_work_data)); for (i = 0; i < WACOM_MAX_REMOTES; i++) { int j = i * 6; int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4]; - bool connected = data[j+2]; remote_data.remote[i].serial = serial; - remote_data.remote[i].connected = connected; } spin_lock_irqsave(&remote->remote_lock, flags); diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index ee21bb260f22..57e185f18d53 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -13,6 +13,7 @@ #define WACOM_NAME_MAX 64 #define WACOM_MAX_REMOTES 5 #define WACOM_STATUS_UNKNOWN 255 +#define WACOM_REMOTE_BATTERY_TIMEOUT 21000000000ll /* packet length for individual models */ #define WACOM_PKGLEN_BBFUN 9 @@ -327,10 +328,9 @@ struct hid_data { ktime_t time_delayed; }; -struct wacom_remote_data { +struct wacom_remote_work_data { struct { u32 serial; - bool connected; } remote[WACOM_MAX_REMOTES]; }; |