37 		printk(KERN_DEBUG "%s/0: " fmt, dev->name, ##arg);	\
48 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_slave_did_ack()
49 	struct cx25821_dev *dev = bus->dev;  in i2c_slave_did_ack()
50 	return cx_read(bus->reg_stat) & 0x01;  in i2c_slave_did_ack()
55 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_is_busy()
56 	struct cx25821_dev *dev = bus->dev;  in i2c_is_busy()
57 	return cx_read(bus->reg_stat) & 0x02 ? 1 : 0;  in i2c_is_busy()
79 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_sendbytes()
80 	struct cx25821_dev *dev = bus->dev;  in i2c_sendbytes()
81 	u32 wdata, addr, ctrl;  in i2c_sendbytes()  local
85 		dprintk(1, "%s(msg->wlen=%d, nextmsg->rlen=%d)\n", __func__,  in i2c_sendbytes()
86 			msg->len, joined_rlen);  in i2c_sendbytes()
88 		dprintk(1, "%s(msg->len=%d)\n", __func__, msg->len);  in i2c_sendbytes()
91 	if (msg->len == 0) {  in i2c_sendbytes()
92 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_sendbytes()
93 		cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2));  in i2c_sendbytes()
96 			return -EIO;  in i2c_sendbytes()
99 			return -EIO;  in i2c_sendbytes()
106 	addr = (msg->addr << 25) | msg->buf[0];  in i2c_sendbytes()
107 	wdata = msg->buf[0];  in i2c_sendbytes()
109 	ctrl = bus->i2c_period | (1 << 12) | (1 << 2);  in i2c_sendbytes()
111 	if (msg->len > 1)  in i2c_sendbytes()
112 		ctrl |= I2C_NOSTOP | I2C_EXTEND;  in i2c_sendbytes()
114 		ctrl |= I2C_NOSTOP;  in i2c_sendbytes()
116 	cx_write(bus->reg_addr, addr);  in i2c_sendbytes()
117 	cx_write(bus->reg_wdata, wdata);  in i2c_sendbytes()
118 	cx_write(bus->reg_ctrl, ctrl);  in i2c_sendbytes()
128 		if (!(ctrl & I2C_NOSTOP))  in i2c_sendbytes()
132 	for (cnt = 1; cnt < msg->len; cnt++) {  in i2c_sendbytes()
134 		wdata = msg->buf[cnt];  in i2c_sendbytes()
135 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2);  in i2c_sendbytes()
137 		if (cnt < msg->len - 1)  in i2c_sendbytes()
138 			ctrl |= I2C_NOSTOP | I2C_EXTEND;  in i2c_sendbytes()
140 			ctrl |= I2C_NOSTOP;  in i2c_sendbytes()
142 		cx_write(bus->reg_addr, addr);  in i2c_sendbytes()
143 		cx_write(bus->reg_wdata, wdata);  in i2c_sendbytes()
144 		cx_write(bus->reg_ctrl, ctrl);  in i2c_sendbytes()
154 			dprintk(1, " %02x", msg->buf[cnt]);  in i2c_sendbytes()
155 			if (!(ctrl & I2C_NOSTOP))  in i2c_sendbytes()
160 	return msg->len;  in i2c_sendbytes()
163 	retval = -EIO;  in i2c_sendbytes()
173 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_readbytes()
174 	struct cx25821_dev *dev = bus->dev;  in i2c_readbytes()
175 	u32 ctrl, cnt;  in i2c_readbytes()  local
179 		dprintk(1, "6-%s(msg->len=%d)\n", __func__, msg->len);  in i2c_readbytes()
182 	if (msg->len == 0) {  in i2c_readbytes()
183 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_readbytes()
184 		cx_write(bus->reg_ctrl, bus->i2c_period | (1 << 2) | 1);  in i2c_readbytes()
186 			return -EIO;  in i2c_readbytes()
188 			return -EIO;  in i2c_readbytes()
198 			dprintk(1, " <R %02x", (msg->addr << 1) + 1);  in i2c_readbytes()
201 	for (cnt = 0; cnt < msg->len; cnt++) {  in i2c_readbytes()
203 		ctrl = bus->i2c_period | (1 << 12) | (1 << 2) | 1;  in i2c_readbytes()
205 		if (cnt < msg->len - 1)  in i2c_readbytes()
206 			ctrl |= I2C_NOSTOP | I2C_EXTEND;  in i2c_readbytes()
208 		cx_write(bus->reg_addr, msg->addr << 25);  in i2c_readbytes()
209 		cx_write(bus->reg_ctrl, ctrl);  in i2c_readbytes()
216 		msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff;  in i2c_readbytes()
219 			dprintk(1, " %02x", msg->buf[cnt]);  in i2c_readbytes()
220 			if (!(ctrl & I2C_NOSTOP))  in i2c_readbytes()
225 	return msg->len;  in i2c_readbytes()
227 	retval = -EIO;  in i2c_readbytes()
236 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_xfer()
237 	struct cx25821_dev *dev = bus->dev;  in i2c_xfer()
243 		dprintk(1, "%s(num = %d) addr = 0x%02x  len = 0x%x\n",  in i2c_xfer()
244 			__func__, num, msgs[i].addr, msgs[i].len);  in i2c_xfer()
253 					msgs[i + 1].len);  in i2c_xfer()
301 	struct cx25821_dev *dev = bus->dev;  in cx25821_i2c_register()
303 	dprintk(1, "%s(bus = %d)\n", __func__, bus->nr);  in cx25821_i2c_register()
305 	bus->i2c_adap = cx25821_i2c_adap_template;  in cx25821_i2c_register()
306 	bus->i2c_client = cx25821_i2c_client_template;  in cx25821_i2c_register()
307 	bus->i2c_adap.dev.parent = &dev->pci->dev;  in cx25821_i2c_register()
309 	strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));  in cx25821_i2c_register()
311 	bus->i2c_adap.algo_data = bus;  in cx25821_i2c_register()
312 	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);  in cx25821_i2c_register()
313 	i2c_add_adapter(&bus->i2c_adap);  in cx25821_i2c_register()
315 	bus->i2c_client.adapter = &bus->i2c_adap;  in cx25821_i2c_register()
318 	bus->i2c_client.addr = (0x88 >> 1);  in cx25821_i2c_register()
320 	return bus->i2c_rc;  in cx25821_i2c_register()
325 	i2c_del_adapter(&bus->i2c_adap);  in cx25821_i2c_unregister()
347 	msg.len = 3;
350 	i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1);
356 	struct i2c_client *client = &bus->i2c_client;  in cx25821_i2c_read()
363 			.addr = client->addr,  in cx25821_i2c_read()
365 			.len = 2,  in cx25821_i2c_read()
368 			.addr = client->addr,  in cx25821_i2c_read()
370 			.len = 4,  in cx25821_i2c_read()
380 	i2c_xfer(client->adapter, msgs, 2);  in cx25821_i2c_read()
390 	struct i2c_client *client = &bus->i2c_client;  in cx25821_i2c_write()
396 			.addr = client->addr,  in cx25821_i2c_write()
398 			.len = 6,  in cx25821_i2c_write()
409 	client->flags = 0;  in cx25821_i2c_write()
412 	retval = i2c_xfer(client->adapter, msgs, 1);  in cx25821_i2c_write()