58 static int rmi_set_page(struct rmi_i2c_xport *rmi_i2c, u8 page)  in rmi_set_page()  argument
60 	struct i2c_client *client = rmi_i2c->client;  in rmi_set_page()
71 	rmi_i2c->page = page;  in rmi_set_page()
78 	struct rmi_i2c_xport *rmi_i2c =  in rmi_i2c_write_block()  local
80 	struct i2c_client *client = rmi_i2c->client;  in rmi_i2c_write_block()
84 	mutex_lock(&rmi_i2c->page_mutex);  in rmi_i2c_write_block()
86 	if (!rmi_i2c->tx_buf || rmi_i2c->tx_buf_size < tx_size) {  in rmi_i2c_write_block()
87 		if (rmi_i2c->tx_buf)  in rmi_i2c_write_block()
88 			devm_kfree(&client->dev, rmi_i2c->tx_buf);  in rmi_i2c_write_block()
89 		rmi_i2c->tx_buf_size = tx_size + BUFFER_SIZE_INCREMENT;  in rmi_i2c_write_block()
90 		rmi_i2c->tx_buf = devm_kzalloc(&client->dev,  in rmi_i2c_write_block()
91 					       rmi_i2c->tx_buf_size,  in rmi_i2c_write_block()
93 		if (!rmi_i2c->tx_buf) {  in rmi_i2c_write_block()
94 			rmi_i2c->tx_buf_size = 0;  in rmi_i2c_write_block()
100 	rmi_i2c->tx_buf[0] = addr & 0xff;  in rmi_i2c_write_block()
101 	memcpy(rmi_i2c->tx_buf + 1, buf, len);  in rmi_i2c_write_block()
103 	if (RMI_I2C_PAGE(addr) != rmi_i2c->page) {  in rmi_i2c_write_block()
104 		retval = rmi_set_page(rmi_i2c, RMI_I2C_PAGE(addr));  in rmi_i2c_write_block()
109 	retval = i2c_master_send(client, rmi_i2c->tx_buf, tx_size);  in rmi_i2c_write_block()
120 	mutex_unlock(&rmi_i2c->page_mutex);  in rmi_i2c_write_block()
127 	struct rmi_i2c_xport *rmi_i2c =  in rmi_i2c_read_block()  local
129 	struct i2c_client *client = rmi_i2c->client;  in rmi_i2c_read_block()
146 	mutex_lock(&rmi_i2c->page_mutex);  in rmi_i2c_read_block()
148 	if (RMI_I2C_PAGE(addr) != rmi_i2c->page) {  in rmi_i2c_read_block()
149 		retval = rmi_set_page(rmi_i2c, RMI_I2C_PAGE(addr));  in rmi_i2c_read_block()
165 	mutex_unlock(&rmi_i2c->page_mutex);  in rmi_i2c_read_block()
184 	struct rmi_i2c_xport *rmi_i2c = data;  in rmi_i2c_regulator_bulk_disable()  local
186 	regulator_bulk_disable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_regulator_bulk_disable()
187 			       rmi_i2c->supplies);  in rmi_i2c_regulator_bulk_disable()
192 	struct rmi_i2c_xport *rmi_i2c = data;  in rmi_i2c_unregister_transport()  local
194 	rmi_unregister_transport_device(&rmi_i2c->xport);  in rmi_i2c_unregister_transport()
203 	struct rmi_i2c_xport *rmi_i2c;  in rmi_i2c_probe()  local
206 	rmi_i2c = devm_kzalloc(&client->dev, sizeof(struct rmi_i2c_xport),  in rmi_i2c_probe()
208 	if (!rmi_i2c)  in rmi_i2c_probe()
211 	pdata = &rmi_i2c->xport.pdata;  in rmi_i2c_probe()
227 	rmi_i2c->supplies[0].supply = "vdd";  in rmi_i2c_probe()
228 	rmi_i2c->supplies[1].supply = "vio";  in rmi_i2c_probe()
230 					 ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_probe()
231 					 rmi_i2c->supplies);  in rmi_i2c_probe()
235 	error = regulator_bulk_enable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_probe()
236 				       rmi_i2c->supplies);  in rmi_i2c_probe()
242 					  rmi_i2c);  in rmi_i2c_probe()
247 			     &rmi_i2c->startup_delay);  in rmi_i2c_probe()
249 	msleep(rmi_i2c->startup_delay);  in rmi_i2c_probe()
251 	rmi_i2c->client = client;  in rmi_i2c_probe()
252 	mutex_init(&rmi_i2c->page_mutex);  in rmi_i2c_probe()
254 	rmi_i2c->xport.dev = &client->dev;  in rmi_i2c_probe()
255 	rmi_i2c->xport.proto_name = "i2c";  in rmi_i2c_probe()
256 	rmi_i2c->xport.ops = &rmi_i2c_ops;  in rmi_i2c_probe()
258 	i2c_set_clientdata(client, rmi_i2c);  in rmi_i2c_probe()
264 	error = rmi_set_page(rmi_i2c, 0);  in rmi_i2c_probe()
272 	error = rmi_register_transport_device(&rmi_i2c->xport);  in rmi_i2c_probe()
280 					  rmi_i2c);  in rmi_i2c_probe()
291 	struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);  in rmi_i2c_suspend()  local
294 	ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev, true);  in rmi_i2c_suspend()
298 	regulator_bulk_disable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_suspend()
299 			       rmi_i2c->supplies);  in rmi_i2c_suspend()
307 	struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);  in rmi_i2c_resume()  local
310 	ret = regulator_bulk_enable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_resume()
311 				    rmi_i2c->supplies);  in rmi_i2c_resume()
315 	msleep(rmi_i2c->startup_delay);  in rmi_i2c_resume()
317 	ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev, true);  in rmi_i2c_resume()
329 	struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);  in rmi_i2c_runtime_suspend()  local
332 	ret = rmi_driver_suspend(rmi_i2c->xport.rmi_dev, false);  in rmi_i2c_runtime_suspend()
336 	regulator_bulk_disable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_runtime_suspend()
337 			       rmi_i2c->supplies);  in rmi_i2c_runtime_suspend()
345 	struct rmi_i2c_xport *rmi_i2c = i2c_get_clientdata(client);  in rmi_i2c_runtime_resume()  local
348 	ret = regulator_bulk_enable(ARRAY_SIZE(rmi_i2c->supplies),  in rmi_i2c_runtime_resume()
349 				    rmi_i2c->supplies);  in rmi_i2c_runtime_resume()
353 	msleep(rmi_i2c->startup_delay);  in rmi_i2c_runtime_resume()
355 	ret = rmi_driver_resume(rmi_i2c->xport.rmi_dev, false);  in rmi_i2c_runtime_resume()