33 iic_dp_aux_transaction(device_t idev, int mode, uint8_t write_byte,  in iic_dp_aux_transaction()  argument
40 	ret = (*aux_data->aux_ch)(idev, mode, write_byte, read_byte);  in iic_dp_aux_transaction()
59 	int mode, ret;  in iic_dp_aux_address()  local
62 	mode = MODE_I2C_START;  in iic_dp_aux_address()
64 		mode |= MODE_I2C_READ;  in iic_dp_aux_address()
66 		mode |= MODE_I2C_WRITE;  in iic_dp_aux_address()
67 	aux_data->address = address;  in iic_dp_aux_address()
68 	aux_data->running = true;  in iic_dp_aux_address()
69 	ret = iic_dp_aux_transaction(idev, mode, 0, NULL);  in iic_dp_aux_address()
81 	int mode;  in iic_dp_aux_stop()  local
84 	mode = MODE_I2C_STOP;  in iic_dp_aux_stop()
86 		mode |= MODE_I2C_READ;  in iic_dp_aux_stop()
88 		mode |= MODE_I2C_WRITE;  in iic_dp_aux_stop()
89 	if (aux_data->running) {  in iic_dp_aux_stop()
90 		(void)iic_dp_aux_transaction(idev, mode, 0, NULL);  in iic_dp_aux_stop()
91 		aux_data->running = false;  in iic_dp_aux_stop()
97  * the I2C link must be running or this returns -EIO
107 	if (!aux_data->running)  in iic_dp_aux_put_byte()
108 		return (-EIO);  in iic_dp_aux_put_byte()
116  * I2C link must be running or this returns -EIO
126 	if (!aux_data->running)  in iic_dp_aux_get_byte()
127 		return (-EIO);  in iic_dp_aux_get_byte()
137 	int b, m, ret;  in iic_dp_aux_xfer()  local
144 	for (m = 0; m < num; m++) {  in iic_dp_aux_xfer()
145 		len = msgs[m].len;  in iic_dp_aux_xfer()
146 		buf = msgs[m].buf;  in iic_dp_aux_xfer()
147 		reading = (msgs[m].flags & IIC_M_RD) != 0;  in iic_dp_aux_xfer()
148 		ret = iic_dp_aux_address(idev, msgs[m].slave >> 1, reading);  in iic_dp_aux_xfer()
169 	return (-ret);  in iic_dp_aux_xfer()
192 	/* adapter->retries = 3; */  in iic_dp_aux_prepare_bus()
210 	aux_data->port = device_add_child(idev, "iicbus", DEVICE_UNIT_ANY);  in iic_dp_aux_attach()
211 	if (aux_data->port == NULL)  in iic_dp_aux_attach()
213 	device_quiet(aux_data->port);  in iic_dp_aux_attach()
220     int (*ch)(device_t idev, int mode, uint8_t write_byte, uint8_t *read_byte),  in iic_dp_aux_add_bus()  argument
235 		return (-ENXIO);  in iic_dp_aux_add_bus()
244 		return (-error);  in iic_dp_aux_add_bus()
247 	data->running = false;  in iic_dp_aux_add_bus()
248 	data->address = 0;  in iic_dp_aux_add_bus()
249 	data->aux_ch = ch;  in iic_dp_aux_add_bus()
250 	data->priv = priv;  in iic_dp_aux_add_bus()
254 		*adapter = data->port;  in iic_dp_aux_add_bus()
257 	return (-error);  in iic_dp_aux_add_bus()