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HID: playstation: report DualShock4 hardware and firmware version.

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Report DualShock4 hardware and firmware version info through sysfs.
It uses the same sysfs nodes as the DualSense did (and hid-sony).

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Roderick Colenbrander 2022-10-29 11:48:40 -07:00 committed by Jiri Kosina
parent f55b9b56ce
commit 9a62280a1b
1 changed files with 38 additions and 0 deletions
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38
drivers/hid/hid-playstation.c
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@ -286,6 +286,8 @@ struct dualsense_output_report {
#define DS4_INPUT_REPORT_USB 0x01
#define DS4_INPUT_REPORT_USB_SIZE 64
#define DS4_FEATURE_REPORT_FIRMWARE_INFO 0xa3
#define DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE 49
#define DS4_FEATURE_REPORT_PAIRING_INFO 0x12
#define DS4_FEATURE_REPORT_PAIRING_INFO_SIZE 16
@ -1494,6 +1496,30 @@ static struct ps_device *dualsense_create(struct hid_device *hdev)
return ERR_PTR(ret);
}
static int dualshock4_get_firmware_info(struct dualshock4 *ds4)
{
uint8_t *buf;
int ret;
buf = kzalloc(DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = ps_get_report(ds4->base.hdev, DS4_FEATURE_REPORT_FIRMWARE_INFO, buf,
DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE);
if (ret) {
hid_err(ds4->base.hdev, "Failed to retrieve DualShock4 firmware info: %d\n", ret);
goto err_free;
}
ds4->base.hw_version = get_unaligned_le16(&buf[35]);
ds4->base.fw_version = get_unaligned_le16(&buf[41]);
err_free:
kfree(buf);
return ret;
}
static int dualshock4_get_mac_address(struct dualshock4 *ds4)
{
uint8_t *buf;
@ -1600,6 +1626,12 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
}
snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds4->base.mac_address);
ret = dualshock4_get_firmware_info(ds4);
if (ret) {
hid_err(hdev, "Failed to get firmware info from DualShock4\n");
return ERR_PTR(ret);
}
ret = ps_devices_list_add(ps_dev);
if (ret)
return ERR_PTR(ret);
@ -1616,6 +1648,12 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
goto err;
}
/*
* Reporting hardware and firmware is important as there are frequent updates, which
* can change behavior.
*/
hid_info(hdev, "Registered DualShock4 controller hw_version=0x%08x fw_version=0x%08x\n",
ds4->base.hw_version, ds4->base.fw_version);
return &ds4->base;
err: