147 static int icn8505_read_data(struct icn8505_data *icn8505, int reg,  in icn8505_read_data()  argument
150 	return icn8505_read_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_read_data()
154 static int icn8505_read_reg_silent(struct icn8505_data *icn8505, int reg)  in icn8505_read_reg_silent()  argument
159 	error = icn8505_read_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_read_reg_silent()
167 static int icn8505_write_reg(struct icn8505_data *icn8505, int reg, u8 val)  in icn8505_write_reg()  argument
169 	return icn8505_write_xfer(icn8505->client, icn8505->client->addr, reg,  in icn8505_write_reg()
173 static int icn8505_read_prog_data(struct icn8505_data *icn8505, int reg,  in icn8505_read_prog_data()  argument
176 	return icn8505_read_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_read_prog_data()
180 static int icn8505_write_prog_data(struct icn8505_data *icn8505, int reg,  in icn8505_write_prog_data()  argument
183 	return icn8505_write_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_write_prog_data()
187 static int icn8505_write_prog_reg(struct icn8505_data *icn8505, int reg, u8 val)  in icn8505_write_prog_reg()  argument
189 	return icn8505_write_xfer(icn8505->client, ICN8505_PROG_I2C_ADDR, reg,  in icn8505_write_prog_reg()
199 static int icn8505_try_fw_upload(struct icn8505_data *icn8505,  in icn8505_try_fw_upload()  argument
202 	struct device *dev = &icn8505->client->dev;  in icn8505_try_fw_upload()
209 	error = icn8505_write_prog_reg(icn8505, 0xcc3355, 0x5a);  in icn8505_try_fw_upload()
215 	error = icn8505_write_prog_reg(icn8505, 0x040400, 0x01);  in icn8505_try_fw_upload()
221 	error = icn8505_read_prog_data(icn8505, 0x040002, buf, 1);  in icn8505_try_fw_upload()
233 	error = icn8505_write_prog_reg(icn8505, 0x40028, 1);  in icn8505_try_fw_upload()
240 		error = icn8505_write_prog_data(icn8505, offset,  in icn8505_try_fw_upload()
247 	error = icn8505_write_prog_reg(icn8505, 0x40028, 0);  in icn8505_try_fw_upload()
252 	error = icn8505_read_prog_data(icn8505, 0x40034, buf, 2);  in icn8505_try_fw_upload()
261 	error = icn8505_read_prog_data(icn8505, 0x4002c, buf, 4);  in icn8505_try_fw_upload()
272 	error = icn8505_write_prog_reg(icn8505, 0x40400, 0x03);  in icn8505_try_fw_upload()
280 static int icn8505_upload_fw(struct icn8505_data *icn8505)  in icn8505_upload_fw()  argument
282 	struct device *dev = &icn8505->client->dev;  in icn8505_upload_fw()
291 	error = firmware_request_platform(&fw, icn8505->firmware_name, dev);  in icn8505_upload_fw()
298 	if (icn8505_read_reg_silent(icn8505, 0x000a) == 0x85)  in icn8505_upload_fw()
302 		error = icn8505_try_fw_upload(icn8505, fw);  in icn8505_upload_fw()
324 	struct icn8505_data *icn8505 = dev_id;  in icn8505_irq()  local
325 	struct device *dev = &icn8505->client->dev;  in icn8505_irq()
329 	error = icn8505_read_data(icn8505, ICN8505_REG_TOUCHDATA,  in icn8505_irq()
346 		input_mt_slot(icn8505->input, touch->slot);  in icn8505_irq()
347 		input_mt_report_slot_state(icn8505->input, MT_TOOL_FINGER, act);  in icn8505_irq()
351 		touchscreen_report_pos(icn8505->input, &icn8505->prop,  in icn8505_irq()
357 	input_mt_sync_frame(icn8505->input);  in icn8505_irq()
358 	input_report_key(icn8505->input, KEY_LEFTMETA,  in icn8505_irq()
360 	input_sync(icn8505->input);  in icn8505_irq()
365 static int icn8505_probe_acpi(struct icn8505_data *icn8505, struct device *dev)  in icn8505_probe_acpi()  argument
389 	snprintf(icn8505->firmware_name, sizeof(icn8505->firmware_name),  in icn8505_probe_acpi()
399 	struct icn8505_data *icn8505;  in icn8505_probe()  local
409 	icn8505 = devm_kzalloc(dev, sizeof(*icn8505), GFP_KERNEL);  in icn8505_probe()
410 	if (!icn8505)  in icn8505_probe()
424 	icn8505->client = client;  in icn8505_probe()
425 	icn8505->input = input;  in icn8505_probe()
426 	input_set_drvdata(input, icn8505);  in icn8505_probe()
428 	error = icn8505_probe_acpi(icn8505, dev);  in icn8505_probe()
432 	error = icn8505_upload_fw(icn8505);  in icn8505_probe()
436 	error = icn8505_read_data(icn8505, ICN8505_REG_CONFIGDATA,  in icn8505_probe()
448 	touchscreen_parse_properties(input, true, &icn8505->prop);  in icn8505_probe()
461 					IRQF_ONESHOT, client->name, icn8505);  in icn8505_probe()
471 	i2c_set_clientdata(client, icn8505);  in icn8505_probe()
477 	struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev));  in icn8505_suspend()  local
479 	disable_irq(icn8505->client->irq);  in icn8505_suspend()
481 	icn8505_write_reg(icn8505, ICN8505_REG_POWER, ICN8505_POWER_HIBERNATE);  in icn8505_suspend()
488 	struct icn8505_data *icn8505 = i2c_get_clientdata(to_i2c_client(dev));  in icn8505_resume()  local
491 	error = icn8505_upload_fw(icn8505);  in icn8505_resume()
495 	enable_irq(icn8505->client->irq);  in icn8505_resume()