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()
87 	struct ddb_i2c *i2c = (struct ddb_i2c *)i2c_get_adapdata(adapter);  in ddb_i2c_master_xfer()  local
88 	struct ddb *dev = i2c->dev;  in ddb_i2c_master_xfer()
92 	if (msg[0].len > i2c->bsize)  in ddb_i2c_master_xfer()
98 				  i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
99 			if (ddb_i2c_cmd(i2c, addr, 3))  in ddb_i2c_master_xfer()
102 				   i2c->rbuf, msg[0].len);  in ddb_i2c_master_xfer()
105 		ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len);  in ddb_i2c_master_xfer()
106 		ddbwritel(dev, msg[0].len, i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
107 		if (ddb_i2c_cmd(i2c, addr, 2))  in ddb_i2c_master_xfer()
115 		if (msg[1].len > i2c->bsize)  in ddb_i2c_master_xfer()
117 		ddbcpyto(dev, i2c->wbuf, msg[0].buf, msg[0].len);  in ddb_i2c_master_xfer()
119 			  i2c->regs + I2C_TASKLENGTH);  in ddb_i2c_master_xfer()
120 		if (ddb_i2c_cmd(i2c, addr, 1))  in ddb_i2c_master_xfer()
123 			   i2c->rbuf,  in ddb_i2c_master_xfer()
145 	struct ddb_i2c *i2c;  in ddb_i2c_release()  local
148 		i2c = &dev->i2c[i];  in ddb_i2c_release()
149 		i2c_del_adapter(&i2c->adap);  in ddb_i2c_release()
155 	struct ddb_i2c *i2c = (struct ddb_i2c *)priv;  in i2c_handler()  local
157 	complete(&i2c->completion);  in i2c_handler()
160 static int ddb_i2c_add(struct ddb *dev, struct ddb_i2c *i2c,  in ddb_i2c_add()  argument
166 	i2c->nr = i;  in ddb_i2c_add()
167 	i2c->dev = dev;  in ddb_i2c_add()
168 	i2c->link = link;  in ddb_i2c_add()
169 	i2c->bsize = regmap->i2c_buf->size;  in ddb_i2c_add()
170 	i2c->wbuf = DDB_LINK_TAG(link) |  in ddb_i2c_add()
171 		(regmap->i2c_buf->base + i2c->bsize * i);  in ddb_i2c_add()
172 	i2c->rbuf = i2c->wbuf; /* + i2c->bsize / 2 */  in ddb_i2c_add()
173 	i2c->regs = DDB_LINK_TAG(link) |  in ddb_i2c_add()
174 		(regmap->i2c->base + regmap->i2c->size * i);  in ddb_i2c_add()
175 	ddbwritel(dev, I2C_SPEED_100, i2c->regs + I2C_TIMING);  in ddb_i2c_add()
176 	ddbwritel(dev, ((i2c->rbuf & 0xffff) << 16) | (i2c->wbuf & 0xffff),  in ddb_i2c_add()
177 		  i2c->regs + I2C_TASKADDRESS);  in ddb_i2c_add()
178 	init_completion(&i2c->completion);  in ddb_i2c_add()
180 	adap = &i2c->adap;  in ddb_i2c_add()
181 	i2c_set_adapdata(adap, i2c);  in ddb_i2c_add()
190 		 dev->nr, i2c->link, i);  in ddb_i2c_add()
192 	adap->algo_data = (void *)i2c;  in ddb_i2c_add()
201 	struct ddb_i2c *i2c;  in ddb_i2c_init()  local
209 		if (!regmap || !regmap->i2c)  in ddb_i2c_init()
212 		for (i = 0; i < regmap->i2c->num; i++) {  in ddb_i2c_init()
215 			i2c = &dev->i2c[num];  in ddb_i2c_init()
216 			ddb_irq_set(dev, l, i + base, i2c_handler, i2c);  in ddb_i2c_init()
217 			stat = ddb_i2c_add(dev, i2c, regmap, l, i, num);  in ddb_i2c_init()
225 			i2c = &dev->i2c[j];  in ddb_i2c_init()
226 			adap = &i2c->adap;  in ddb_i2c_init()