60 	int status, start = ticks;  in kcs_wait()  local
63 	status = INB(sc, KCS_CTL_STS);  in kcs_wait()
64 	while (ticks - start < MAX_TIMEOUT && (status & mask) != value) {  in kcs_wait()
70 		status = INB(sc, KCS_CTL_STS);  in kcs_wait()
74 	return (status);  in kcs_wait()
92 kcs_clear_obf(struct ipmi_softc *sc, int status)  in kcs_clear_obf()  argument
96 	if (status & KCS_STATUS_OBF) {  in kcs_clear_obf()
104 	int retry, status;  in kcs_error()  local
110 		status = kcs_wait_for_ibf(sc, 0);  in kcs_error()
116 		status = kcs_wait_for_ibf(sc, 0);  in kcs_error()
119 		kcs_clear_obf(sc, status);  in kcs_error()
121 		if (status & KCS_STATUS_OBF) {  in kcs_error()
132 		status = kcs_wait_for_ibf(sc, 0);  in kcs_error()
134 		if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_READ) {  in kcs_error()
137 			status = kcs_wait_for_obf(sc, 1);  in kcs_error()
149 			status = kcs_wait_for_ibf(sc, 0);  in kcs_error()
153 		if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_IDLE) {  in kcs_error()
155 			status = kcs_wait_for_obf(sc, 1);  in kcs_error()
158 			kcs_clear_obf(sc, status);  in kcs_error()
172 	int retry, status;  in kcs_start_write()  local
176 		status = kcs_wait_for_ibf(sc, 0);  in kcs_start_write()
177 		if (status & KCS_STATUS_IBF)  in kcs_start_write()
181 		kcs_clear_obf(sc, status);  in kcs_start_write()
187 		status = kcs_wait_for_ibf(sc, 0);  in kcs_start_write()
188 		if (status & KCS_STATUS_IBF)  in kcs_start_write()
191 		if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_WRITE)  in kcs_start_write()
196 	if (KCS_STATUS_STATE(status) != KCS_STATUS_STATE_WRITE)  in kcs_start_write()
201 	kcs_clear_obf(sc, status);  in kcs_start_write()
213 	int status;  in kcs_write_byte()  local
219 	status = kcs_wait_for_ibf(sc, 0);  in kcs_write_byte()
220 	if (status & KCS_STATUS_IBF)  in kcs_write_byte()
223 	if (KCS_STATUS_STATE(status) != KCS_STATUS_STATE_WRITE)  in kcs_write_byte()
227 	kcs_clear_obf(sc, status);  in kcs_write_byte()
237 	int status;  in kcs_write_last_byte()  local
243 	status = kcs_wait_for_ibf(sc, 0);  in kcs_write_last_byte()
244 	if (status & KCS_STATUS_IBF)  in kcs_write_last_byte()
247 	if (KCS_STATUS_STATE(status) != KCS_STATUS_STATE_WRITE)  in kcs_write_last_byte()
252 	kcs_clear_obf(sc, status);  in kcs_write_last_byte()
265 	int status;  in kcs_read_byte()  local
268 	status = kcs_wait_for_ibf(sc, 0);  in kcs_read_byte()
271 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_READ) {  in kcs_read_byte()
274 		status = kcs_wait_for_obf(sc, 1);  in kcs_read_byte()
275 		if ((status & KCS_STATUS_OBF) == 0)  in kcs_read_byte()
287 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_IDLE) {  in kcs_read_byte()
290 		status = kcs_wait_for_obf(sc, 1);  in kcs_read_byte()
291 		if ((status & KCS_STATUS_OBF) == 0)  in kcs_read_byte()
533 	int status;  in ipmi_kcs_attach()  local
542 	status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_attach()
543 	if (status == 0xff) {  in ipmi_kcs_attach()
549 	device_printf(sc->ipmi_dev, "KCS: initial state: %02x\n", status);  in ipmi_kcs_attach()
551 	if (status & KCS_STATUS_OBF ||  in ipmi_kcs_attach()
552 	    KCS_STATUS_STATE(status) != KCS_STATUS_STATE_IDLE)  in ipmi_kcs_attach()
569 	int status;  in ipmi_kcs_probe_align()  local
578 	status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
579 	while (status & KCS_STATUS_IBF) {  in ipmi_kcs_probe_align()
581 		status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
587 	status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
588 	while (status & KCS_STATUS_IBF) {  in ipmi_kcs_probe_align()
590 		status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
594 	if (status == 0) {  in ipmi_kcs_probe_align()
610 	if (status & KCS_STATUS_OBF)  in ipmi_kcs_probe_align()
617 	status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
618 	while (status & KCS_STATUS_IBF) {  in ipmi_kcs_probe_align()
620 		status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
623 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_READ) {  in ipmi_kcs_probe_align()
625 		while (!(status & KCS_STATUS_OBF)) {  in ipmi_kcs_probe_align()
627 			status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
637 		status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
638 		while (status & KCS_STATUS_IBF) {  in ipmi_kcs_probe_align()
640 			status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
644 	if (KCS_STATUS_STATE(status) == KCS_STATUS_STATE_IDLE) {  in ipmi_kcs_probe_align()
646 		while (!(status & KCS_STATUS_OBF)) {  in ipmi_kcs_probe_align()
648 			status = INB(sc, KCS_CTL_STS);  in ipmi_kcs_probe_align()
652 		if (status & KCS_STATUS_OBF)  in ipmi_kcs_probe_align()
656 		    KCS_STATUS_STATE(status));  in ipmi_kcs_probe_align()