40 static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd)  in ddb_i2c_cmd()  argument
42 	struct ddb *dev = i2c->dev;  in ddb_i2c_cmd()
46 	ddbwritel(dev, (adr << 9) | cmd, i2c->regs + I2C_COMMAND);  in ddb_i2c_cmd()
47 	stat = wait_for_completion_timeout(&i2c->completion, HZ);  in ddb_i2c_cmd()
48 	val = ddbreadl(dev, i2c->regs + I2C_COMMAND);  in ddb_i2c_cmd()
51 			dev->nr, i2c->nr, i2c->link);  in ddb_i2c_cmd()
56 			if (i2c->link) {  in ddb_i2c_cmd()
58 					DDB_LINK_TAG(i2c->link) |  in ddb_i2c_cmd()
62 					i2c->link, listat);  in ddb_i2c_cmd()
68 					i2c->regs + I2C_MONITOR);  in ddb_i2c_cmd()
84 	struct ddb_i2c *i2c = (struct ddb_i2c *) i2c_get_adapdata(adapter);  in ddb_i2c_master_xfer()  local
85 	struct ddb *dev = i2c->dev;  in ddb_i2c_master_xfer()
89 	if (msg[0].len > i2c->bsize)  in ddb_i2c_master_xfer()
95 				  i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
96 			if (ddb_i2c_cmd(i2c, addr, 3))  in ddb_i2c_master_xfer()
99 				   i2c->rbuf, msg[0].len);  in ddb_i2c_master_xfer()
102 		ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len);  in ddb_i2c_master_xfer()
103 		ddbwritel(dev, msg[0].len, i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
104 		if (ddb_i2c_cmd(i2c, addr, 2))  in ddb_i2c_master_xfer()
112 		if (msg[1].len > i2c->bsize)  in ddb_i2c_master_xfer()
114 		ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len);  in ddb_i2c_master_xfer()
116 			  i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
117 		if (ddb_i2c_cmd(i2c, addr, 1))  in ddb_i2c_master_xfer()
120 			   i2c->rbuf,  in ddb_i2c_master_xfer()
142 	struct ddb_i2c *i2c;  in ddb_i2c_release()  local
145 		i2c = &dev->i2c[i];  in ddb_i2c_release()
146 		i2c_del_adapter(&i2c->adap);  in ddb_i2c_release()
152 	struct ddb_i2c *i2c = (struct ddb_i2c *) priv;  in i2c_handler()  local
154 	complete(&i2c->completion);  in i2c_handler()
157 static int ddb_i2c_add(struct ddb *dev, struct ddb_i2c *i2c,  in ddb_i2c_add()  argument
163 	i2c->nr = i;  in ddb_i2c_add()
164 	i2c->dev = dev;  in ddb_i2c_add()
165 	i2c->link = link;  in ddb_i2c_add()
166 	i2c->bsize = regmap->i2c_buf->size;  in ddb_i2c_add()
167 	i2c->wbuf = DDB_LINK_TAG(link) |  in ddb_i2c_add()
168 		(regmap->i2c_buf->base + i2c->bsize * i);  in ddb_i2c_add()
169 	i2c->rbuf = i2c->wbuf; /* + i2c->bsize / 2 */  in ddb_i2c_add()
170 	i2c->regs = DDB_LINK_TAG(link) |  in ddb_i2c_add()
171 		(regmap->i2c->base + regmap->i2c->size * i);  in ddb_i2c_add()
172 	ddbwritel(dev, I2C_SPEED_100, i2c->regs + I2C_TIMING);  in ddb_i2c_add()
173 	ddbwritel(dev, ((i2c->rbuf & 0xffff) << 16) | (i2c->wbuf & 0xffff),  in ddb_i2c_add()
174 		i2c->regs + I2C_TASKADDRESS);  in ddb_i2c_add()
175 	init_completion(&i2c->completion);  in ddb_i2c_add()
177 	adap = &i2c->adap;  in ddb_i2c_add()
178 	i2c_set_adapdata(adap, i2c);  in ddb_i2c_add()
187 		dev->nr, i2c->link, i);  in ddb_i2c_add()
189 	adap->algo_data = (void *)i2c;  in ddb_i2c_add()
198 	struct ddb_i2c *i2c;  in ddb_i2c_init()  local
206 		if (!regmap || !regmap->i2c)  in ddb_i2c_init()
209 		for (i = 0; i < regmap->i2c->num; i++) {  in ddb_i2c_init()
212 			i2c = &dev->i2c[num];  in ddb_i2c_init()
213 			dev->handler_data[l][i + base] = (unsigned long) i2c;  in ddb_i2c_init()
215 			stat = ddb_i2c_add(dev, i2c, regmap, l, i, num);  in ddb_i2c_init()
223 			i2c = &dev->i2c[j];  in ddb_i2c_init()
224 			adap = &i2c->adap;  in ddb_i2c_init()