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path: root/drivers/hid/hid-lg-g15.c
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Diffstat (limited to 'drivers/hid/hid-lg-g15.c')
-rw-r--r--drivers/hid/hid-lg-g15.c141
1 files changed, 96 insertions, 45 deletions
diff --git a/drivers/hid/hid-lg-g15.c b/drivers/hid/hid-lg-g15.c
index bfbba0d41933..b2a08233f8d5 100644
--- a/drivers/hid/hid-lg-g15.c
+++ b/drivers/hid/hid-lg-g15.c
@@ -28,6 +28,7 @@ enum lg_g15_model {
LG_G15_V2,
LG_G510,
LG_G510_USB_AUDIO,
+ LG_Z10,
};
enum lg_g15_led_type {
@@ -457,6 +458,13 @@ static int lg_g15_get_initial_led_brightness(struct lg_g15_data *g15)
return ret;
return lg_g510_update_mkey_led_brightness(g15);
+ case LG_Z10:
+ /*
+ * Getting the LCD backlight brightness is not supported.
+ * Reading Feature(2) fails with -EPIPE and this crashes
+ * the LCD and touch keys part of the speakers.
+ */
+ return 0;
}
return -EINVAL; /* Never reached */
}
@@ -464,7 +472,20 @@ static int lg_g15_get_initial_led_brightness(struct lg_g15_data *g15)
/******** Input functions ********/
/* On the G15 Mark I Logitech has been quite creative with which bit is what */
-static int lg_g15_event(struct lg_g15_data *g15, u8 *data, int size)
+static void lg_g15_handle_lcd_menu_keys(struct lg_g15_data *g15, u8 *data)
+{
+ int i, val;
+
+ /* Most left (round/display) button below the LCD */
+ input_report_key(g15->input, KEY_KBD_LCD_MENU1, data[8] & 0x80);
+ /* 4 other buttons below the LCD */
+ for (i = 0; i < 4; i++) {
+ val = data[i + 2] & 0x80;
+ input_report_key(g15->input, KEY_KBD_LCD_MENU2 + i, val);
+ }
+}
+
+static int lg_g15_event(struct lg_g15_data *g15, u8 *data)
{
int i, val;
@@ -494,13 +515,7 @@ static int lg_g15_event(struct lg_g15_data *g15, u8 *data, int size)
/* MR */
input_report_key(g15->input, KEY_MACRO_RECORD_START, data[7] & 0x40);
- /* Most left (round) button below the LCD */
- input_report_key(g15->input, KEY_KBD_LCD_MENU1, data[8] & 0x80);
- /* 4 other buttons below the LCD */
- for (i = 0; i < 4; i++) {
- val = data[i + 2] & 0x80;
- input_report_key(g15->input, KEY_KBD_LCD_MENU2 + i, val);
- }
+ lg_g15_handle_lcd_menu_keys(g15, data);
/* Backlight cycle button pressed? */
if (data[1] & 0x80)
@@ -510,7 +525,7 @@ static int lg_g15_event(struct lg_g15_data *g15, u8 *data, int size)
return 0;
}
-static int lg_g15_v2_event(struct lg_g15_data *g15, u8 *data, int size)
+static int lg_g15_v2_event(struct lg_g15_data *g15, u8 *data)
{
int i, val;
@@ -542,7 +557,7 @@ static int lg_g15_v2_event(struct lg_g15_data *g15, u8 *data, int size)
return 0;
}
-static int lg_g510_event(struct lg_g15_data *g15, u8 *data, int size)
+static int lg_g510_event(struct lg_g15_data *g15, u8 *data)
{
bool game_mode_enabled;
int i, val;
@@ -586,7 +601,7 @@ static int lg_g510_event(struct lg_g15_data *g15, u8 *data, int size)
return 0;
}
-static int lg_g510_leds_event(struct lg_g15_data *g15, u8 *data, int size)
+static int lg_g510_leds_event(struct lg_g15_data *g15, u8 *data)
{
bool backlight_disabled;
@@ -613,18 +628,24 @@ static int lg_g15_raw_event(struct hid_device *hdev, struct hid_report *report,
switch (g15->model) {
case LG_G15:
if (data[0] == 0x02 && size == 9)
- return lg_g15_event(g15, data, size);
+ return lg_g15_event(g15, data);
break;
case LG_G15_V2:
if (data[0] == 0x02 && size == 5)
- return lg_g15_v2_event(g15, data, size);
+ return lg_g15_v2_event(g15, data);
+ break;
+ case LG_Z10:
+ if (data[0] == 0x02 && size == 9) {
+ lg_g15_handle_lcd_menu_keys(g15, data);
+ input_sync(g15->input);
+ }
break;
case LG_G510:
case LG_G510_USB_AUDIO:
if (data[0] == 0x03 && size == 5)
- return lg_g510_event(g15, data, size);
+ return lg_g510_event(g15, data);
if (data[0] == 0x04 && size == 2)
- return lg_g510_leds_event(g15, data, size);
+ return lg_g510_leds_event(g15, data);
break;
}
@@ -645,25 +666,18 @@ static void lg_g15_input_close(struct input_dev *dev)
hid_hw_close(hdev);
}
-static int lg_g15_register_led(struct lg_g15_data *g15, int i)
+static int lg_g15_register_led(struct lg_g15_data *g15, int i, const char *name)
{
- static const char * const led_names[] = {
- "g15::kbd_backlight",
- "g15::lcd_backlight",
- "g15::macro_preset1",
- "g15::macro_preset2",
- "g15::macro_preset3",
- "g15::macro_record",
- };
-
g15->leds[i].led = i;
- g15->leds[i].cdev.name = led_names[i];
+ g15->leds[i].cdev.name = name;
switch (g15->model) {
case LG_G15:
case LG_G15_V2:
- g15->leds[i].cdev.brightness_set_blocking = lg_g15_led_set;
g15->leds[i].cdev.brightness_get = lg_g15_led_get;
+ fallthrough;
+ case LG_Z10:
+ g15->leds[i].cdev.brightness_set_blocking = lg_g15_led_set;
if (i < LG_G15_BRIGHTNESS_MAX) {
g15->leds[i].cdev.flags = LED_BRIGHT_HW_CHANGED;
g15->leds[i].cdev.max_brightness = 2;
@@ -702,8 +716,38 @@ static int lg_g15_register_led(struct lg_g15_data *g15, int i)
return devm_led_classdev_register(&g15->hdev->dev, &g15->leds[i].cdev);
}
+/* Common input device init code shared between keyboards and Z-10 speaker handling */
+static void lg_g15_init_input_dev(struct hid_device *hdev, struct input_dev *input,
+ const char *name)
+{
+ int i;
+
+ input->name = name;
+ input->phys = hdev->phys;
+ input->uniq = hdev->uniq;
+ input->id.bustype = hdev->bus;
+ input->id.vendor = hdev->vendor;
+ input->id.product = hdev->product;
+ input->id.version = hdev->version;
+ input->dev.parent = &hdev->dev;
+ input->open = lg_g15_input_open;
+ input->close = lg_g15_input_close;
+
+ /* Keys below the LCD, intended for controlling a menu on the LCD */
+ for (i = 0; i < 5; i++)
+ input_set_capability(input, EV_KEY, KEY_KBD_LCD_MENU1 + i);
+}
+
static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
+ static const char * const led_names[] = {
+ "g15::kbd_backlight",
+ "g15::lcd_backlight",
+ "g15::macro_preset1",
+ "g15::macro_preset2",
+ "g15::macro_preset3",
+ "g15::macro_record",
+ };
u8 gkeys_settings_output_report = 0;
u8 gkeys_settings_feature_report = 0;
struct hid_report_enum *rep_enum;
@@ -744,6 +788,8 @@ static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
g15->hdev = hdev;
g15->model = id->driver_data;
+ g15->input = input;
+ input_set_drvdata(input, hdev);
hid_set_drvdata(hdev, (void *)g15);
switch (g15->model) {
@@ -772,6 +818,9 @@ static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
gkeys_settings_feature_report = 0x01;
gkeys = 18;
break;
+ case LG_Z10:
+ connect_mask = HID_CONNECT_HIDRAW;
+ break;
}
ret = hid_hw_start(hdev, connect_mask);
@@ -814,17 +863,21 @@ static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (ret)
goto error_hw_stop;
+ if (g15->model == LG_Z10) {
+ lg_g15_init_input_dev(hdev, g15->input, "Logitech Z-10 LCD Menu Keys");
+ ret = input_register_device(g15->input);
+ if (ret)
+ goto error_hw_stop;
+
+ ret = lg_g15_register_led(g15, 1, "z-10::lcd_backlight");
+ if (ret)
+ goto error_hw_stop;
+
+ return 0; /* All done */
+ }
+
/* Setup and register input device */
- input->name = "Logitech Gaming Keyboard Gaming Keys";
- input->phys = hdev->phys;
- input->uniq = hdev->uniq;
- input->id.bustype = hdev->bus;
- input->id.vendor = hdev->vendor;
- input->id.product = hdev->product;
- input->id.version = hdev->version;
- input->dev.parent = &hdev->dev;
- input->open = lg_g15_input_open;
- input->close = lg_g15_input_close;
+ lg_g15_init_input_dev(hdev, input, "Logitech Gaming Keyboard Gaming Keys");
/* G-keys */
for (i = 0; i < gkeys; i++)
@@ -835,10 +888,6 @@ static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
input_set_capability(input, EV_KEY, KEY_MACRO_PRESET1 + i);
input_set_capability(input, EV_KEY, KEY_MACRO_RECORD_START);
- /* Keys below the LCD, intended for controlling a menu on the LCD */
- for (i = 0; i < 5; i++)
- input_set_capability(input, EV_KEY, KEY_KBD_LCD_MENU1 + i);
-
/*
* On the G510 only report headphone and mic mute keys when *not* using
* the builtin USB audio device. When the builtin audio is used these
@@ -850,16 +899,13 @@ static int lg_g15_probe(struct hid_device *hdev, const struct hid_device_id *id)
input_set_capability(input, EV_KEY, KEY_F20);
}
- g15->input = input;
- input_set_drvdata(input, hdev);
-
ret = input_register_device(input);
if (ret)
goto error_hw_stop;
/* Register LED devices */
for (i = 0; i < LG_G15_LED_MAX; i++) {
- ret = lg_g15_register_led(g15, i);
+ ret = lg_g15_register_led(g15, i, led_names[i]);
if (ret)
goto error_hw_stop;
}
@@ -890,6 +936,10 @@ static const struct hid_device_id lg_g15_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_G510_USB_AUDIO),
.driver_data = LG_G510_USB_AUDIO },
+ /* Z-10 speakers */
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_Z_10_SPK),
+ .driver_data = LG_Z10 },
{ }
};
MODULE_DEVICE_TABLE(hid, lg_g15_devices);
@@ -902,4 +952,5 @@ static struct hid_driver lg_g15_driver = {
};
module_hid_driver(lg_g15_driver);
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.