146 static int icn8505_read_data(struct icn8505_data *icn8505, int reg,  in icn8505_read_data()  argument
149 	return icn8505_read_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_read_data()
153 static int icn8505_read_reg_silent(struct icn8505_data *icn8505, int reg)  in icn8505_read_reg_silent()  argument
158 	error = icn8505_read_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_read_reg_silent()
166 static int icn8505_write_reg(struct icn8505_data *icn8505, int reg, u8 val)  in icn8505_write_reg()  argument
168 	return icn8505_write_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_write_reg()
172 static int icn8505_read_prog_data(struct icn8505_data *icn8505, int reg,  in icn8505_read_prog_data()  argument
175 	return icn8505_read_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_read_prog_data()
179 static int icn8505_write_prog_data(struct icn8505_data *icn8505, int reg,  in icn8505_write_prog_data()  argument
182 	return icn8505_write_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_write_prog_data()
186 static int icn8505_write_prog_reg(struct icn8505_data *icn8505, int reg, u8 val)  in icn8505_write_prog_reg()  argument
188 	return icn8505_write_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_write_prog_reg()
198 static int icn8505_try_fw_upload(struct icn8505_data *icn8505,  in icn8505_try_fw_upload()  argument
201 	struct device *dev = &icn8505->client->dev;  in icn8505_try_fw_upload()
208 	error = icn8505_write_prog_reg(icn8505, 0xcc3355, 0x5a);  in icn8505_try_fw_upload()
214 	error = icn8505_write_prog_reg(icn8505, 0x040400, 0x01);  in icn8505_try_fw_upload()
220 	error = icn8505_read_prog_data(icn8505, 0x040002, buf, 1);  in icn8505_try_fw_upload()
232 	error = icn8505_write_prog_reg(icn8505, 0x40028, 1);  in icn8505_try_fw_upload()
239 		error = icn8505_write_prog_data(icn8505, offset,  in icn8505_try_fw_upload()
246 	error = icn8505_write_prog_reg(icn8505, 0x40028, 0);  in icn8505_try_fw_upload()
251 	error = icn8505_read_prog_data(icn8505, 0x40034, buf, 2);  in icn8505_try_fw_upload()
260 	error = icn8505_read_prog_data(icn8505, 0x4002c, buf, 4);  in icn8505_try_fw_upload()
271 	error = icn8505_write_prog_reg(icn8505, 0x40400, 0x03);  in icn8505_try_fw_upload()
279 static int icn8505_upload_fw(struct icn8505_data *icn8505)  in icn8505_upload_fw()  argument
281 	struct device *dev = &icn8505->client->dev;  in icn8505_upload_fw()
290 	error = firmware_request_platform(&fw, icn8505->firmware_name, dev);  in icn8505_upload_fw()
297 	if (icn8505_read_reg_silent(icn8505, 0x000a) == 0x85)  in icn8505_upload_fw()
301 		error = icn8505_try_fw_upload(icn8505, fw);  in icn8505_upload_fw()
323 	struct icn8505_data *icn8505 = dev_id;  in icn8505_irq()  local
324 	struct device *dev = &icn8505->client->dev;  in icn8505_irq()
328 	error = icn8505_read_data(icn8505, ICN8505_REG_TOUCHDATA,  in icn8505_irq()
345 		input_mt_slot(icn8505->input, touch->slot);  in icn8505_irq()
346 		input_mt_report_slot_state(icn8505->input, MT_TOOL_FINGER, act);  in icn8505_irq()
350 		touchscreen_report_pos(icn8505->input, &icn8505->prop,  in icn8505_irq()
356 	input_mt_sync_frame(icn8505->input);  in icn8505_irq()
357 	input_report_key(icn8505->input, KEY_LEFTMETA,  in icn8505_irq()
359 	input_sync(icn8505->input);  in icn8505_irq()
364 static int icn8505_probe_acpi(struct icn8505_data *icn8505, struct device *dev)  in icn8505_probe_acpi()  argument
376 	snprintf(icn8505->firmware_name, sizeof(icn8505->firmware_name),  in icn8505_probe_acpi()
386 	struct icn8505_data *icn8505;  in icn8505_probe()  local
396 	icn8505 = devm_kzalloc(dev, sizeof(*icn8505), GFP_KERNEL);  in icn8505_probe()
397 	if (!icn8505)  in icn8505_probe()
411 	icn8505->client = client;  in icn8505_probe()
412 	icn8505->input = input;  in icn8505_probe()
413 	input_set_drvdata(input, icn8505);  in icn8505_probe()
415 	error = icn8505_probe_acpi(icn8505, dev);  in icn8505_probe()
419 	error = icn8505_upload_fw(icn8505);  in icn8505_probe()
423 	error = icn8505_read_data(icn8505, ICN8505_REG_CONFIGDATA,  in icn8505_probe()
435 	touchscreen_parse_properties(input, true, &icn8505->prop);  in icn8505_probe()
448 					IRQF_ONESHOT, client->name, icn8505);  in icn8505_probe()
458 	i2c_set_clientdata(client, icn8505);  in icn8505_probe()
464 	struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev));  in icn8505_suspend()  local
466 	disable_irq(icn8505->client->irq);  in icn8505_suspend()
468 	icn8505_write_reg(icn8505, ICN8505_REG_POWER, ICN8505_POWER_HIBERNATE);  in icn8505_suspend()
475 	struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev));  in icn8505_resume()  local
478 	error = icn8505_upload_fw(icn8505);  in icn8505_resume()
482 	enable_irq(icn8505->client->irq);  in icn8505_resume()