182 	struct ssc050_unit *unitp;  in ssc050_open()  local
192 	unitp = (struct ssc050_unit *)  in ssc050_open()
195 	if (unitp == NULL) {  in ssc050_open()
203 	mutex_enter(&unitp->mutex);  in ssc050_open()
206 		if (unitp->oflag != 0) {  in ssc050_open()
209 			unitp->oflag = FEXCL;  in ssc050_open()
212 		if (unitp->oflag == FEXCL) {  in ssc050_open()
215 			unitp->oflag = FOPEN;  in ssc050_open()
219 	mutex_exit(&unitp->mutex);  in ssc050_open()
229 	struct ssc050_unit *unitp;  in ssc050_close()  local
238 	unitp = (struct ssc050_unit *)  in ssc050_close()
241 	if (unitp == NULL) {  in ssc050_close()
245 	mutex_enter(&unitp->mutex);  in ssc050_close()
247 	unitp->oflag = 0;  in ssc050_close()
249 	mutex_exit(&unitp->mutex);  in ssc050_close()
254 ssc050_get(struct ssc050_unit *unitp, int reg, uchar_t *byte, int flags)  in ssc050_get()  argument
259 	(void) i2c_transfer_alloc(unitp->hdl, &i2c_tran_pointer,  in ssc050_get()
267 	err = i2c_transfer(unitp->hdl, i2c_tran_pointer);  in ssc050_get()
270 		    unitp->name, reg));  in ssc050_get()
275 	i2c_transfer_free(unitp->hdl, i2c_tran_pointer);  in ssc050_get()
280 ssc050_set(struct ssc050_unit *unitp, int reg, uchar_t byte)  in ssc050_set()  argument
285 	(void) i2c_transfer_alloc(unitp->hdl, &i2c_tran_pointer,  in ssc050_set()
289 		    "i2c_tran_pointer not allocated", unitp->name));  in ssc050_set()
296 	D1CMN_ERR((CE_NOTE, "%s: set reg %x to %x", unitp->name, reg, byte));  in ssc050_set()
298 	err = i2c_transfer(unitp->hdl, i2c_tran_pointer);  in ssc050_set()
301 		    " i2c_transfer routine", unitp->name));  in ssc050_set()
303 	i2c_transfer_free(unitp->hdl, i2c_tran_pointer);  in ssc050_set()
313 	struct ssc050_unit	*unitp;  in ssc050_ioctl()  local
332 	unitp = (struct ssc050_unit *)  in ssc050_ioctl()
335 	if (unitp == NULL) {  in ssc050_ioctl()
339 	mutex_enter(&unitp->mutex);  in ssc050_ioctl()
341 	D3CMN_ERR((CE_NOTE, "%s: ioctl: port = %d", unitp->name, port));  in ssc050_ioctl()
354 			err = ssc050_get(unitp, reg, &val8, I2C_SLEEP);  in ssc050_ioctl()
363 				err = ssc050_set(unitp, reg,  in ssc050_ioctl()
372 		err = ssc050_get(unitp, port, &val8, I2C_SLEEP);  in ssc050_ioctl()
392 		err = ssc050_get(unitp, reg, &val8, I2C_SLEEP);  in ssc050_ioctl()
398 		    "contains %x", unitp->name, val8));  in ssc050_ioctl()
404 		    "NOW contains %x", unitp->name, val8));  in ssc050_ioctl()
406 		err = ssc050_set(unitp, reg, val8);  in ssc050_ioctl()
411 		err = ssc050_get(unitp, port, &val8, I2C_SLEEP);  in ssc050_ioctl()
417 		    "contains %x", unitp->name, val8));  in ssc050_ioctl()
423 		    "NOW contains %x", unitp->name, val8));  in ssc050_ioctl()
425 		err = ssc050_set(unitp, SSC050_GP_REG(port), val8);  in ssc050_ioctl()
429 		err = ssc050_get(unitp, SSC050_FAN_CONTROL_REG(port),  in ssc050_ioctl()
435 		D1CMN_ERR((CE_NOTE, "%s: port %d: control = %x", unitp->name,  in ssc050_ioctl()
443 		err = ssc050_get(unitp, SSC050_COUNT_REG(port), &fan_count,  in ssc050_ioctl()
451 			    "i2c_rbuf = 0", unitp->name));  in ssc050_ioctl()
486 		D3CMN_ERR((CE_NOTE, "%s: reg = %x", unitp->name, reg));  in ssc050_ioctl()
489 			err = ssc050_get(unitp, reg, &val8, I2C_SLEEP);  in ssc050_ioctl()
499 				err = ssc050_set(unitp, reg,  in ssc050_ioctl()
508 		err = ssc050_get(unitp, reg, &val8, I2C_SLEEP);  in ssc050_ioctl()
534 		D3CMN_ERR((CE_NOTE, "%s: reg = %x", unitp->name, reg));  in ssc050_ioctl()
537 		err = ssc050_set(unitp, reg, val8);  in ssc050_ioctl()
546 		err = ssc050_get(unitp, ioctl_reg.reg_num, &val8,  in ssc050_ioctl()
565 		err = ssc050_set(unitp, ioctl_reg.reg_num,  in ssc050_ioctl()
571 		    unitp->name, cmd));  in ssc050_ioctl()
575 	mutex_exit(&unitp->mutex);  in ssc050_ioctl()
626 	struct ssc050_unit	*unitp;  in ssc050_do_attach()  local
638 	unitp = ddi_get_soft_state(ssc050soft_statep, instance);  in ssc050_do_attach()
640 	(void) snprintf(unitp->name, sizeof (unitp->name),  in ssc050_do_attach()
652 			    unitp->name, name);  in ssc050_do_attach()
658 	if (i2c_client_register(dip, &unitp->hdl) != I2C_SUCCESS) {  in ssc050_do_attach()
664 	mutex_init(&unitp->mutex, NULL, MUTEX_DRIVER, NULL);  in ssc050_do_attach()
672 	struct ssc050_unit *unitp;  in ssc050_do_detach()  local
676 	unitp = ddi_get_soft_state(ssc050soft_statep, instance);  in ssc050_do_detach()
677 	i2c_client_unregister(unitp->hdl);  in ssc050_do_detach()
679 	mutex_destroy(&unitp->mutex);  in ssc050_do_detach()
689 	struct ssc050_unit	*unitp;  in ssc050_get_port_bit()  local
697 	unitp = ddi_get_soft_state(ssc050soft_statep, instance);  in ssc050_get_port_bit()
698 	if (unitp == NULL) {  in ssc050_get_port_bit()
701 	return (ssc050_get(unitp, reg, rval, flags));  in ssc050_get_port_bit()