106 	int (*read_prepare)(struct mrstouch_dev *tsdev);
107 	int (*read)(struct mrstouch_dev *tsdev, u16 *x, u16 *y, u16 *z);
108 	int (*read_finish)(struct mrstouch_dev *tsdev);
114 static int mrstouch_nec_adc_read_prepare(struct mrstouch_dev *tsdev)  in mrstouch_nec_adc_read_prepare()  argument
122 static int mrstouch_nec_adc_read_finish(struct mrstouch_dev *tsdev)  in mrstouch_nec_adc_read_finish()  argument
191 static int mrstouch_nec_adc_read(struct mrstouch_dev *tsdev,  in mrstouch_nec_adc_read()  argument
198 	err = mrstouch_ts_bias_set(tsdev->asr, MRST_YBIAS);  in mrstouch_nec_adc_read()
205 	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, x, &xm);  in mrstouch_nec_adc_read()
210 	err = mrstouch_ts_bias_set(tsdev->asr, MRST_XBIAS);  in mrstouch_nec_adc_read()
217 	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN12, y, &ym);  in mrstouch_nec_adc_read()
222 	err = mrstouch_ts_bias_set(tsdev->asr, MRST_ZBIAS);  in mrstouch_nec_adc_read()
229 	err = mrstouch_ts_chan_read(tsdev->asr, MRST_TS_CHAN10, z, &zm);  in mrstouch_nec_adc_read()
236 	dev_err(tsdev->dev, "ipc error during adc read\n");  in mrstouch_nec_adc_read()
243 static int mrstouch_fs_adc_read_prepare(struct mrstouch_dev *tsdev)  in mrstouch_fs_adc_read_prepare()  argument
255 	chan = PMICADDR0 + tsdev->asr;  in mrstouch_fs_adc_read_prepare()
295 	dev_err(tsdev->dev, "ipc error during %s\n", __func__);  in mrstouch_fs_adc_read_prepare()
299 static int mrstouch_fs_adc_read(struct mrstouch_dev *tsdev,  in mrstouch_fs_adc_read()  argument
307 	result = PMIC_REG_ADCSNS0H + tsdev->asr;  in mrstouch_fs_adc_read()
341 	dev_err(tsdev->dev, "ipc error during %s\n", __func__);  in mrstouch_fs_adc_read()
345 static int mrstouch_fs_adc_read_finish(struct mrstouch_dev *tsdev)  in mrstouch_fs_adc_read_finish()  argument
353 	chan = PMICADDR0 + tsdev->asr;  in mrstouch_fs_adc_read_finish()
382 	dev_err(tsdev->dev, "ipc error during %s\n", __func__);  in mrstouch_fs_adc_read_finish()
405 	struct mrstouch_dev *tsdev = dev_id;  in mrstouch_pendet_irq()  local
413 	if (tsdev->read_prepare(tsdev))  in mrstouch_pendet_irq()
417 		if (tsdev->read(tsdev, &x, &y, &z))  in mrstouch_pendet_irq()
420 		mrstouch_report_event(tsdev->input, x, y, z);  in mrstouch_pendet_irq()
423 	tsdev->read_finish(tsdev);  in mrstouch_pendet_irq()
449 static int __devinit mrstouch_chan_parse(struct mrstouch_dev *tsdev)  in mrstouch_chan_parse()  argument
466 	if (tsdev->vendor == PMIC_VENDOR_FS) {  in mrstouch_chan_parse()
497 static int __devinit mrstouch_adc_init(struct mrstouch_dev *tsdev)  in mrstouch_adc_init()  argument
502 	err = mrstouch_read_pmic_id(&tsdev->vendor, &tsdev->rev);  in mrstouch_adc_init()
504 		dev_err(tsdev->dev, "Unable to read PMIC id\n");  in mrstouch_adc_init()
508 	switch (tsdev->vendor) {  in mrstouch_adc_init()
511 		tsdev->read_prepare = mrstouch_nec_adc_read_prepare;  in mrstouch_adc_init()
512 		tsdev->read = mrstouch_nec_adc_read;  in mrstouch_adc_init()
513 		tsdev->read_finish = mrstouch_nec_adc_read_finish;  in mrstouch_adc_init()
517 		tsdev->read_prepare = mrstouch_fs_adc_read_prepare;  in mrstouch_adc_init()
518 		tsdev->read = mrstouch_fs_adc_read;  in mrstouch_adc_init()
519 		tsdev->read_finish = mrstouch_fs_adc_read_finish;  in mrstouch_adc_init()
523 		dev_err(tsdev->dev,  in mrstouch_adc_init()
524 			"Unsupported touchscreen: %d\n", tsdev->vendor);  in mrstouch_adc_init()
528 	start = mrstouch_chan_parse(tsdev);  in mrstouch_adc_init()
530 		dev_err(tsdev->dev, "Unable to parse channels\n");  in mrstouch_adc_init()
534 	tsdev->asr = start;  in mrstouch_adc_init()
544 	if (tsdev->vendor == PMIC_VENDOR_FS) {  in mrstouch_adc_init()
553 		err = mrstouch_ts_chan_set(tsdev->asr);  in mrstouch_adc_init()
573 	struct mrstouch_dev *tsdev;  in mrstouch_probe()  local
584 	tsdev = kzalloc(sizeof(struct mrstouch_dev), GFP_KERNEL);  in mrstouch_probe()
586 	if (!tsdev || !input) {  in mrstouch_probe()
592 	tsdev->dev = &pdev->dev;  in mrstouch_probe()
593 	tsdev->input = input;  in mrstouch_probe()
594 	tsdev->irq = irq;  in mrstouch_probe()
596 	snprintf(tsdev->phys, sizeof(tsdev->phys),  in mrstouch_probe()
597 		 "%s/input0", dev_name(tsdev->dev));  in mrstouch_probe()
599 	err = mrstouch_adc_init(tsdev);  in mrstouch_probe()
606 	input->phys = tsdev->phys;  in mrstouch_probe()
607 	input->dev.parent = tsdev->dev;  in mrstouch_probe()
609 	input->id.vendor = tsdev->vendor;  in mrstouch_probe()
610 	input->id.version = tsdev->rev;  in mrstouch_probe()
615 	input_set_abs_params(tsdev->input, ABS_X,  in mrstouch_probe()
617 	input_set_abs_params(tsdev->input, ABS_Y,  in mrstouch_probe()
619 	input_set_abs_params(tsdev->input, ABS_PRESSURE,  in mrstouch_probe()
622 	err = request_threaded_irq(tsdev->irq, NULL, mrstouch_pendet_irq,  in mrstouch_probe()
623 				   0, "mrstouch", tsdev);  in mrstouch_probe()
625 		dev_err(tsdev->dev, "unable to allocate irq\n");  in mrstouch_probe()
629 	err = input_register_device(tsdev->input);  in mrstouch_probe()
631 		dev_err(tsdev->dev, "unable to register input device\n");  in mrstouch_probe()
635 	platform_set_drvdata(pdev, tsdev);  in mrstouch_probe()
639 	free_irq(tsdev->irq, tsdev);  in mrstouch_probe()
642 	kfree(tsdev);  in mrstouch_probe()
648 	struct mrstouch_dev *tsdev = platform_get_drvdata(pdev);  in mrstouch_remove()  local
650 	free_irq(tsdev->irq, tsdev);  in mrstouch_remove()
651 	input_unregister_device(tsdev->input);  in mrstouch_remove()
652 	kfree(tsdev);  in mrstouch_remove()