23 static int write_cmd_to_txdma(struct quickspi_device *qsdev,  in write_cmd_to_txdma()  argument
31 	write_buf = (struct output_report *)qsdev->report_buf;  in write_cmd_to_txdma()
42 	ret = thc_dma_write(qsdev->thc_hw, write_buf, write_buf_len);  in write_cmd_to_txdma()
44 		dev_err_once(qsdev->dev, "DMA write failed, ret = %d\n", ret);  in write_cmd_to_txdma()
49 static int quickspi_get_device_descriptor(struct quickspi_device *qsdev)  in quickspi_get_device_descriptor()  argument
62 	qsdev->nondma_int_received = false;  in quickspi_get_device_descriptor()
64 	ret = thc_tic_pio_write(qsdev->thc_hw, qsdev->output_report_addr,  in quickspi_get_device_descriptor()
67 		dev_err_once(qsdev->dev,  in quickspi_get_device_descriptor()
72 	ret = wait_event_interruptible_timeout(qsdev->nondma_int_received_wq,  in quickspi_get_device_descriptor()
73 					       qsdev->nondma_int_received,  in quickspi_get_device_descriptor()
75 	if (ret <= 0 || !qsdev->nondma_int_received) {  in quickspi_get_device_descriptor()
76 		dev_err_once(qsdev->dev, "Wait DEVICE_DESCRIPTOR timeout, ret:%d\n", ret);  in quickspi_get_device_descriptor()
79 	qsdev->nondma_int_received = false;  in quickspi_get_device_descriptor()
81 	int_cause_val = thc_int_cause_read(qsdev->thc_hw);  in quickspi_get_device_descriptor()
86 		dev_err_once(qsdev->dev, "Receive wrong DEVICE_DESCRIPTOR length, len = %u\n",  in quickspi_get_device_descriptor()
91 	ret = thc_tic_pio_read(qsdev->thc_hw, qsdev->input_report_bdy_addr,  in quickspi_get_device_descriptor()
94 		dev_err_once(qsdev->dev, "Read DEVICE_DESCRIPTOR failed, ret = %d\n", ret);  in quickspi_get_device_descriptor()
95 		dev_err_once(qsdev->dev, "DEVICE_DESCRIPTOR expected len = %u, actual read = %u\n",  in quickspi_get_device_descriptor()
103 		memcpy(&qsdev->dev_desc,  in quickspi_get_device_descriptor()
110 	dev_err_once(qsdev->dev, "Unexpected input report type: %d\n", input_rep_type);  in quickspi_get_device_descriptor()
114 int quickspi_get_report_descriptor(struct quickspi_device *qsdev)  in quickspi_get_report_descriptor()  argument
118 	ret = write_cmd_to_txdma(qsdev, REPORT_DESCRIPTOR, 0, NULL, 0);  in quickspi_get_report_descriptor()
120 		dev_err_once(qsdev->dev,  in quickspi_get_report_descriptor()
125 	ret = wait_event_interruptible_timeout(qsdev->report_desc_got_wq,  in quickspi_get_report_descriptor()
126 					       qsdev->report_desc_got,  in quickspi_get_report_descriptor()
128 	if (ret <= 0 || !qsdev->report_desc_got) {  in quickspi_get_report_descriptor()
129 		dev_err_once(qsdev->dev, "Wait Report Descriptor timeout, ret:%d\n", ret);  in quickspi_get_report_descriptor()
132 	qsdev->report_desc_got = false;  in quickspi_get_report_descriptor()
137 int quickspi_set_power(struct quickspi_device *qsdev,  in quickspi_set_power()  argument
143 	ret = write_cmd_to_txdma(qsdev, COMMAND_CONTENT,  in quickspi_set_power()
148 		dev_err_once(qsdev->dev, "Write SET_POWER command failed, ret = %d\n", ret);  in quickspi_set_power()
155 void quickspi_handle_input_data(struct quickspi_device *qsdev, u32 buf_len)  in quickspi_handle_input_data()  argument
163 	input_body = (struct input_report_body *)qsdev->input_buf;  in quickspi_handle_input_data()
168 		dev_err_once(qsdev->dev, "Wrong input report length: %u",  in quickspi_handle_input_data()
175 		if (input_len != le16_to_cpu(qsdev->dev_desc.rep_desc_len)) {  in quickspi_handle_input_data()
176 			dev_err_once(qsdev->dev, "Unexpected report descriptor length: %u\n",  in quickspi_handle_input_data()
181 		memcpy(qsdev->report_descriptor, input_body->content, input_len);  in quickspi_handle_input_data()
183 		qsdev->report_desc_got = true;  in quickspi_handle_input_data()
184 		wake_up_interruptible(&qsdev->report_desc_got_wq);  in quickspi_handle_input_data()
190 			dev_dbg(qsdev->dev, "Receive set power on response\n");  in quickspi_handle_input_data()
192 			dev_err_once(qsdev->dev, "Unknown command response type: %u\n",  in quickspi_handle_input_data()
199 		if (qsdev->state == QUICKSPI_RESETING) {  in quickspi_handle_input_data()
200 			qsdev->reset_ack = true;  in quickspi_handle_input_data()
201 			wake_up_interruptible(&qsdev->reset_ack_wq);  in quickspi_handle_input_data()
202 			dev_dbg(qsdev->dev, "Receive HIR reset response\n");  in quickspi_handle_input_data()
204 			dev_info(qsdev->dev, "Receive DIR\n");  in quickspi_handle_input_data()
210 		qsdev->report_len = sizeof(body_hdr->content_id) + input_len;  in quickspi_handle_input_data()
213 		memcpy(qsdev->report_buf, input_report, qsdev->report_len);  in quickspi_handle_input_data()
215 		qsdev->get_report_cmpl = true;  in quickspi_handle_input_data()
216 		wake_up_interruptible(&qsdev->get_report_cmpl_wq);  in quickspi_handle_input_data()
222 		qsdev->set_report_cmpl = true;  in quickspi_handle_input_data()
223 		wake_up_interruptible(&qsdev->set_report_cmpl_wq);  in quickspi_handle_input_data()
228 		if (qsdev->state != QUICKSPI_ENABLED)  in quickspi_handle_input_data()
231 		if (input_len > le16_to_cpu(qsdev->dev_desc.max_input_len)) {  in quickspi_handle_input_data()
232 			dev_err_once(qsdev->dev, "Unexpected too large input report length: %u\n",  in quickspi_handle_input_data()
240 		ret = quickspi_hid_send_report(qsdev, input_report, input_len);  in quickspi_handle_input_data()
242 			dev_err_once(qsdev->dev, "Failed to send HID input report: %d\n", ret);  in quickspi_handle_input_data()
247 		dev_err_once(qsdev->dev, "Unsupported input report type: %u\n",  in quickspi_handle_input_data()
253 static int acpi_tic_reset(struct quickspi_device *qsdev)  in acpi_tic_reset()  argument
258 	if (!qsdev->acpi_dev)  in acpi_tic_reset()
261 	handle = acpi_device_handle(qsdev->acpi_dev);  in acpi_tic_reset()
264 		dev_err_once(qsdev->dev,  in acpi_tic_reset()
272 int reset_tic(struct quickspi_device *qsdev)  in reset_tic()  argument
279 	qsdev->state = QUICKSPI_RESETING;  in reset_tic()
281 	qsdev->reset_ack = false;  in reset_tic()
284 	thc_int_trigger_type_select(qsdev->thc_hw, false);  in reset_tic()
286 	ret = acpi_tic_reset(qsdev);  in reset_tic()
290 	ret = thc_interrupt_quiesce(qsdev->thc_hw, false);  in reset_tic()
294 	ret = wait_event_interruptible_timeout(qsdev->reset_ack_wq,  in reset_tic()
295 					       qsdev->reset_ack,  in reset_tic()
297 	if (ret <= 0 || !qsdev->reset_ack) {  in reset_tic()
298 		dev_err_once(qsdev->dev, "Wait RESET_RESPONSE timeout, ret:%d\n", ret);  in reset_tic()
302 	int_cause_val = thc_int_cause_read(qsdev->thc_hw);  in reset_tic()
307 		dev_err_once(qsdev->dev, "Receive wrong RESET_RESPONSE, len = %u\n",  in reset_tic()
313 	thc_int_trigger_type_select(qsdev->thc_hw, true);  in reset_tic()
315 	ret = thc_tic_pio_read(qsdev->thc_hw, qsdev->input_report_bdy_addr,  in reset_tic()
319 		dev_err_once(qsdev->dev, "Read RESET_RESPONSE body failed, ret = %d\n", ret);  in reset_tic()
320 		dev_err_once(qsdev->dev, "RESET_RESPONSE body expected len = %u, actual = %u\n",  in reset_tic()
328 		dev_dbg(qsdev->dev, "RESET_RESPONSE received\n");  in reset_tic()
330 		dev_err_once(qsdev->dev,  in reset_tic()
336 	qsdev->state = QUICKSPI_RESET;  in reset_tic()
338 	ret = quickspi_get_device_descriptor(qsdev);  in reset_tic()
345 int quickspi_get_report(struct quickspi_device *qsdev,  in quickspi_get_report()  argument
356 		dev_err_once(qsdev->dev, "Unsupported report type for GET REPORT: %d\n",  in quickspi_get_report()
361 	ret = write_cmd_to_txdma(qsdev, rep_type, report_id, NULL, 0);  in quickspi_get_report()
363 		dev_err_once(qsdev->dev, "Write GET_REPORT command failed, ret = %d\n", ret);  in quickspi_get_report()
367 	ret = wait_event_interruptible_timeout(qsdev->get_report_cmpl_wq,  in quickspi_get_report()
368 					       qsdev->get_report_cmpl,  in quickspi_get_report()
370 	if (ret <= 0 || !qsdev->get_report_cmpl) {  in quickspi_get_report()
371 		dev_err_once(qsdev->dev, "Wait Get Report Response timeout, ret:%d\n", ret);  in quickspi_get_report()
374 	qsdev->get_report_cmpl = false;  in quickspi_get_report()
376 	memcpy(buf, qsdev->report_buf, qsdev->report_len);  in quickspi_get_report()
378 	return qsdev->report_len;  in quickspi_get_report()
381 int quickspi_set_report(struct quickspi_device *qsdev,  in quickspi_set_report()  argument
393 		dev_err_once(qsdev->dev, "Unsupported report type for SET REPORT: %d\n",  in quickspi_set_report()
398 	ret = write_cmd_to_txdma(qsdev, rep_type, report_id, buf + 1, buf_len - 1);  in quickspi_set_report()
400 		dev_err_once(qsdev->dev, "Write SET_REPORT command failed, ret = %d\n", ret);  in quickspi_set_report()
404 	ret = wait_event_interruptible_timeout(qsdev->set_report_cmpl_wq,  in quickspi_set_report()
405 					       qsdev->set_report_cmpl,  in quickspi_set_report()
407 	if (ret <= 0 || !qsdev->set_report_cmpl) {  in quickspi_set_report()
408 		dev_err_once(qsdev->dev, "Wait Set Report Response timeout, ret:%d\n", ret);  in quickspi_set_report()
411 	qsdev->set_report_cmpl = false;  in quickspi_set_report()