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HID: playstation: add DualShock4 battery support.
Provide DualShock4 battery support through powersupply framework. Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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parent
9a62280a1b
commit
8871ed304e
1 changed files with 66 additions and 4 deletions
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@ -291,6 +291,12 @@ struct dualsense_output_report {
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#define DS4_FEATURE_REPORT_PAIRING_INFO 0x12
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#define DS4_FEATURE_REPORT_PAIRING_INFO_SIZE 16
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/* Status field of DualShock4 input report. */
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#define DS4_STATUS0_BATTERY_CAPACITY GENMASK(3, 0)
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#define DS4_STATUS0_CABLE_STATE BIT(4)
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/* Battery status within batery_status field. */
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#define DS4_BATTERY_STATUS_FULL 11
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struct dualshock4 {
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struct ps_device base;
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struct input_dev *gamepad;
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@ -302,15 +308,16 @@ struct dualshock4_input_report_common {
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uint8_t rx, ry;
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uint8_t buttons[3];
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uint8_t z, rz;
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uint8_t reserved[20];
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uint8_t status[2];
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uint8_t reserved2;
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} __packed;
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static_assert(sizeof(struct dualshock4_input_report_common) == 29);
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static_assert(sizeof(struct dualshock4_input_report_common) == 32);
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struct dualshock4_input_report_usb {
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uint8_t report_id; /* 0x01 */
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struct dualshock4_input_report_common common;
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uint8_t reserved[34];
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uint8_t reserved[31];
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} __packed;
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static_assert(sizeof(struct dualshock4_input_report_usb) == DS4_INPUT_REPORT_USB_SIZE);
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@ -1549,7 +1556,9 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
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struct hid_device *hdev = ps_dev->hdev;
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struct dualshock4 *ds4 = container_of(ps_dev, struct dualshock4, base);
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struct dualshock4_input_report_common *ds4_report;
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uint8_t value;
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uint8_t battery_capacity, value;
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int battery_status;
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unsigned long flags;
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/*
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* DualShock4 in USB uses the full HID report for reportID 1, but
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@ -1594,6 +1603,53 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
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input_report_key(ds4->gamepad, BTN_MODE, ds4_report->buttons[2] & DS_BUTTONS2_PS_HOME);
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input_sync(ds4->gamepad);
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/*
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* Interpretation of the battery_capacity data depends on the cable state.
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* When no cable is connected (bit4 is 0):
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* - 0:10: percentage in units of 10%.
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* When a cable is plugged in:
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* - 0-10: percentage in units of 10%.
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* - 11: battery is full
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* - 14: not charging due to Voltage or temperature error
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* - 15: charge error
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*/
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if (ds4_report->status[0] & DS4_STATUS0_CABLE_STATE) {
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uint8_t battery_data = ds4_report->status[0] & DS4_STATUS0_BATTERY_CAPACITY;
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if (battery_data < 10) {
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/* Take the mid-point for each battery capacity value,
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* because on the hardware side 0 = 0-9%, 1=10-19%, etc.
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* This matches official platform behavior, which does
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* the same.
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*/
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battery_capacity = battery_data * 10 + 5;
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battery_status = POWER_SUPPLY_STATUS_CHARGING;
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} else if (battery_data == 10) {
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battery_capacity = 100;
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battery_status = POWER_SUPPLY_STATUS_CHARGING;
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} else if (battery_data == DS4_BATTERY_STATUS_FULL) {
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battery_capacity = 100;
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battery_status = POWER_SUPPLY_STATUS_FULL;
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} else { /* 14, 15 and undefined values */
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battery_capacity = 0;
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battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
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}
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} else {
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uint8_t battery_data = ds4_report->status[0] & DS4_STATUS0_BATTERY_CAPACITY;
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if (battery_data < 10)
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battery_capacity = battery_data * 10 + 5;
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else /* 10 */
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battery_capacity = 100;
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battery_status = POWER_SUPPLY_STATUS_DISCHARGING;
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}
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spin_lock_irqsave(&ps_dev->lock, flags);
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ps_dev->battery_capacity = battery_capacity;
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ps_dev->battery_status = battery_status;
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spin_unlock_irqrestore(&ps_dev->lock, flags);
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return 0;
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}
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@ -1616,6 +1672,8 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
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ps_dev = &ds4->base;
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ps_dev->hdev = hdev;
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spin_lock_init(&ps_dev->lock);
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ps_dev->battery_capacity = 100; /* initial value until parse_report. */
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ps_dev->battery_status = POWER_SUPPLY_STATUS_UNKNOWN;
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ps_dev->parse_report = dualshock4_parse_report;
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hid_set_drvdata(hdev, ds4);
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@ -1642,6 +1700,10 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
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goto err;
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}
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ret = ps_device_register_battery(ps_dev);
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if (ret)
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goto err;
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ret = ps_device_set_player_id(ps_dev);
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if (ret) {
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hid_err(hdev, "Failed to assign player id for DualShock4: %d\n", ret);
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