drivers/hid/hid-alps.c

81  * @hdev: pointer to the struct hid_device
99 	struct hid_device *hdev;
165 static int t4_read_write_register(struct hid_device *hdev, u32 address,
195 	ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, input,
200 		dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
211 		ret = hid_hw_raw_request(hdev, T4_FEATURE_REPORT_ID, readbuf,
215 			dev_err(&hdev->dev, "failed read register (%d)\n", ret);
222 			dev_err(&hdev->dev, "read register address error (%x,%x)\n",
228 			dev_err(&hdev->dev, "read register size error (%x)\n",
235 			dev_err(&hdev->dev, "read register checksum error (%x,%x)\n",
252 static int u1_read_write_register(struct hid_device *hdev, u32 address,
281 	ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, input,
286 		dev_err(&hdev->dev, "failed to read command (%d)\n", ret);
297 		ret = hid_hw_raw_request(hdev, U1_FEATURE_REPORT_ID, readbuf,
302 			dev_err(&hdev->dev, "failed read register (%d)\n", ret);
434 static int alps_raw_event(struct hid_device *hdev,
438 	struct alps_dev *hdata = hid_get_drvdata(hdev);
440 	switch (hdev->product) {
451 static int __maybe_unused alps_post_reset(struct hid_device *hdev)
454 	struct alps_dev *data = hid_get_drvdata(hdev);
458 		ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1,
461 			dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_1 (%d)\n",
466 		ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4,
469 			dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_4 (%d)\n",
475 		ret = u1_read_write_register(hdev,
479 			dev_err(&hdev->dev, "failed to change TP mode (%d)\n",
492 static int __maybe_unused alps_post_resume(struct hid_device *hdev)
494 	return alps_post_reset(hdev);
497 static int u1_init(struct hid_device *hdev, struct alps_dev *pri_data)
504 	ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
507 		dev_err(&hdev->dev, "failed U1_DEV_CTRL_1 (%d)\n", ret);
513 	ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
516 		dev_err(&hdev->dev, "failed to change TP mode (%d)\n", ret);
520 	ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_X,
523 		dev_err(&hdev->dev, "failed U1_NUM_SENS_X (%d)\n", ret);
527 	ret = u1_read_write_register(hdev, ADDRESS_U1_NUM_SENS_Y,
530 		dev_err(&hdev->dev, "failed U1_NUM_SENS_Y (%d)\n", ret);
534 	ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_X,
537 		dev_err(&hdev->dev, "failed U1_PITCH_SENS_X (%d)\n", ret);
541 	ret = u1_read_write_register(hdev, ADDRESS_U1_PITCH_SENS_Y,
544 		dev_err(&hdev->dev, "failed U1_PITCH_SENS_Y (%d)\n", ret);
548 	ret = u1_read_write_register(hdev, ADDRESS_U1_RESO_DWN_ABS,
551 		dev_err(&hdev->dev, "failed U1_RESO_DWN_ABS (%d)\n", ret);
566 	ret = u1_read_write_register(hdev, ADDRESS_U1_PAD_BTN,
569 		dev_err(&hdev->dev, "failed U1_PAD_BTN (%d)\n", ret);
581 	ret = u1_read_write_register(hdev, ADDRESS_U1_DEVICE_TYP,
584 		dev_err(&hdev->dev, "failed U1_DEVICE_TYP (%d)\n", ret);
589 		ret = u1_read_write_register(hdev, ADDRESS_U1_DEV_CTRL_1,
592 			dev_err(&hdev->dev, "failed SP mode (%d)\n", ret);
596 		ret = u1_read_write_register(hdev, ADDRESS_U1_SP_BTN,
599 			dev_err(&hdev->dev, "failed U1_SP_BTN (%d)\n", ret);
609 static int T4_init(struct hid_device *hdev, struct alps_dev *pri_data)
614 	ret = t4_read_write_register(hdev, T4_PRM_ID_CONFIG_3, &tmp, 0, true);
616 		dev_err(&hdev->dev, "failed T4_PRM_ID_CONFIG_3 (%d)\n", ret);
629 	ret = t4_read_write_register(hdev, PRM_SYS_CONFIG_1, &tmp, 0, true);
631 		dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret);
635 	ret = t4_read_write_register(hdev, PRM_SYS_CONFIG_1, NULL, tmp, false);
637 		dev_err(&hdev->dev, "failed PRM_SYS_CONFIG_1 (%d)\n", ret);
641 	ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_1,
644 		dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_1 (%d)\n", ret);
648 	ret = t4_read_write_register(hdev, T4_PRM_FEED_CONFIG_4, NULL,
651 		dev_err(&hdev->dev, "failed T4_PRM_FEED_CONFIG_4 (%d)\n", ret);
674 static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
676 	struct alps_dev *data = hid_get_drvdata(hdev);
683 	hid_dbg(hdev, "Opening low level driver\n");
684 	ret = hid_hw_open(hdev);
689 	hid_device_io_start(hdev);
692 		ret = T4_init(hdev, data);
695 		ret = u1_init(hdev, data);
747 		input_set_drvdata(input2, hdev);
770 	hid_device_io_stop(hdev);
771 	hid_hw_close(hdev);
775 static int alps_input_mapping(struct hid_device *hdev,
782 static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
786 	data = devm_kzalloc(&hdev->dev, sizeof(struct alps_dev), GFP_KERNEL);
790 	data->hdev = hdev;
791 	hid_set_drvdata(hdev, data);
793 	hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
795 	ret = hid_parse(hdev);
797 		hid_err(hdev, "parse failed\n");
801 	switch (hdev->product) {
814 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
816 		hid_err(hdev, "hw start failed\n");