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HID: playstation: report DualShock4 hardware and firmware version.
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>
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1 changed files with 38 additions and 0 deletions
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@ -286,6 +286,8 @@ struct dualsense_output_report {
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#define DS4_INPUT_REPORT_USB 0x01
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#define DS4_INPUT_REPORT_USB_SIZE 64
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#define DS4_FEATURE_REPORT_FIRMWARE_INFO 0xa3
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#define DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE 49
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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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@ -1494,6 +1496,30 @@ static struct ps_device *dualsense_create(struct hid_device *hdev)
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return ERR_PTR(ret);
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}
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static int dualshock4_get_firmware_info(struct dualshock4 *ds4)
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{
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uint8_t *buf;
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int ret;
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buf = kzalloc(DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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ret = ps_get_report(ds4->base.hdev, DS4_FEATURE_REPORT_FIRMWARE_INFO, buf,
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DS4_FEATURE_REPORT_FIRMWARE_INFO_SIZE);
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if (ret) {
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hid_err(ds4->base.hdev, "Failed to retrieve DualShock4 firmware info: %d\n", ret);
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goto err_free;
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}
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ds4->base.hw_version = get_unaligned_le16(&buf[35]);
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ds4->base.fw_version = get_unaligned_le16(&buf[41]);
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err_free:
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kfree(buf);
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return ret;
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}
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static int dualshock4_get_mac_address(struct dualshock4 *ds4)
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{
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uint8_t *buf;
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@ -1600,6 +1626,12 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
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}
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snprintf(hdev->uniq, sizeof(hdev->uniq), "%pMR", ds4->base.mac_address);
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ret = dualshock4_get_firmware_info(ds4);
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if (ret) {
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hid_err(hdev, "Failed to get firmware info from DualShock4\n");
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return ERR_PTR(ret);
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}
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ret = ps_devices_list_add(ps_dev);
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if (ret)
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return ERR_PTR(ret);
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@ -1616,6 +1648,12 @@ static struct ps_device *dualshock4_create(struct hid_device *hdev)
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goto err;
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}
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/*
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* Reporting hardware and firmware is important as there are frequent updates, which
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* can change behavior.
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*/
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hid_info(hdev, "Registered DualShock4 controller hw_version=0x%08x fw_version=0x%08x\n",
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ds4->base.hw_version, ds4->base.fw_version);
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return &ds4->base;
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err:
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