35 MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time");
51 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_slave_did_ack()  local
52 	struct cx25821_dev *dev = bus->dev;  in i2c_slave_did_ack()
53 	return cx_read(bus->reg_stat) & 0x01;  in i2c_slave_did_ack()
58 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_is_busy()  local
59 	struct cx25821_dev *dev = bus->dev;  in i2c_is_busy()
60 	return cx_read(bus->reg_stat) & 0x02 ? 1 : 0;  in i2c_is_busy()
82 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_sendbytes()  local
83 	struct cx25821_dev *dev = bus->dev;  in i2c_sendbytes()
95 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_sendbytes()
96 		cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2));  in i2c_sendbytes()
112 	ctrl = bus->i2c_period | (1 << 12) | (1 << 2);  in i2c_sendbytes()
119 	cx_write(bus->reg_addr, addr);  in i2c_sendbytes()
120 	cx_write(bus->reg_wdata, wdata);  in i2c_sendbytes()
121 	cx_write(bus->reg_ctrl, ctrl);  in i2c_sendbytes()
138 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2);  in i2c_sendbytes()
145 		cx_write(bus->reg_addr, addr);  in i2c_sendbytes()
146 		cx_write(bus->reg_wdata, wdata);  in i2c_sendbytes()
147 		cx_write(bus->reg_ctrl, ctrl);  in i2c_sendbytes()
176 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_readbytes()  local
177 	struct cx25821_dev *dev = bus->dev;  in i2c_readbytes()
186 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_readbytes()
187 		cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2) | 1);  in i2c_readbytes()
206 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2) | 1;  in i2c_readbytes()
211 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_readbytes()
212 		cx_write(bus->reg_ctrl, ctrl);  in i2c_readbytes()
219 		msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff;  in i2c_readbytes()
239 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_xfer()  local
240 	struct cx25821_dev *dev = bus->dev;  in i2c_xfer()
302 int cx25821_i2c_register(struct cx25821_i2c *bus)  in cx25821_i2c_register()  argument
304 	struct cx25821_dev *dev = bus->dev;  in cx25821_i2c_register()
306 	dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);  in cx25821_i2c_register()
308 	memcpy(&bus->i2c_adap, &cx25821_i2c_adap_template,  in cx25821_i2c_register()
309 	       sizeof(bus->i2c_adap));  in cx25821_i2c_register()
310 	memcpy(&bus->i2c_algo, &cx25821_i2c_algo_template,  in cx25821_i2c_register()
311 	       sizeof(bus->i2c_algo));  in cx25821_i2c_register()
312 	memcpy(&bus->i2c_client, &cx25821_i2c_client_template,  in cx25821_i2c_register()
313 	       sizeof(bus->i2c_client));  in cx25821_i2c_register()
315 	bus->i2c_adap.dev.parent = &dev->pci->dev;  in cx25821_i2c_register()
317 	strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));  in cx25821_i2c_register()
319 	bus->i2c_algo.data = bus;  in cx25821_i2c_register()
320 	bus->i2c_adap.algo_data = bus;  in cx25821_i2c_register()
321 	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);  in cx25821_i2c_register()
322 	i2c_add_adapter(&bus->i2c_adap);  in cx25821_i2c_register()
324 	bus->i2c_client.adapter = &bus->i2c_adap;  in cx25821_i2c_register()
327 	bus->i2c_client.addr = (0x88 >> 1);  in cx25821_i2c_register()
329 	return bus->i2c_rc;  in cx25821_i2c_register()
332 int cx25821_i2c_unregister(struct cx25821_i2c *bus)  in cx25821_i2c_unregister()  argument
334 	i2c_del_adapter(&bus->i2c_adap);  in cx25821_i2c_unregister()
340 	/* write 0 to bus 2 addr 0x144 via i2x_xfer() */  in cx25821_av_clk()
361 int cx25821_i2c_read(struct cx25821_i2c *bus, u16 reg_addr, int *value)  in cx25821_i2c_read()  argument
363 	struct i2c_client *client = &bus->i2c_client;  in cx25821_i2c_read()
396 int cx25821_i2c_write(struct cx25821_i2c *bus, u16 reg_addr, int value)  in cx25821_i2c_write()  argument
398 	struct i2c_client *client = &bus->i2c_client;  in cx25821_i2c_write()