123 isv_read(struct isv_regs *ir, bus_size_t reg)  in isv_read()  argument
125 	return bus_space_read_2(ir->ir_bt, ir->ir_bh, reg);  in isv_read()
129 isv_write(struct isv_regs *ir, bus_size_t reg, uint16_t val)  in isv_write()  argument
131 	bus_space_write_2(ir->ir_bt, ir->ir_bh, reg, val);  in isv_write()
135 isv_retrace(struct isv_regs *ir)  in isv_retrace()  argument
139 	video = isv_read(ir, ISV_STATUS) & ISV_STATUS_VIDEO_MASK;  in isv_retrace()
174 isv_probe(struct isv_regs *ir)  in isv_probe()  argument
181 	isv_write(ir, ISV_CONTROL,  in isv_probe()
192 		if (isv_delta(&state, isv_retrace(ir)))  in isv_probe()
207 	struct isv_regs ir;  in isv_match()  local
215 	ir.ir_bt = ia->ia_iot;  in isv_match()
217 	if (bus_space_map(ir.ir_bt, ia->ia_io[0].ir_addr, 8, 0, &ir.ir_bh))  in isv_match()
220 	rv = isv_probe(&ir);  in isv_match()
222 	bus_space_unmap(ir.ir_bt, ir.ir_bh, 8);  in isv_match()
241 	struct isv_regs *ir = &sc->sc_ir;  in isv_attach()  local
244 	ir->ir_bt = ia->ia_iot;  in isv_attach()
246 	if (bus_space_map(ir->ir_bt, ia->ia_io[0].ir_addr, 8, 0, &ir->ir_bh)) {  in isv_attach()
281 isv_retrace_wait(struct isv_regs *ir, int *state, const struct timeval *end)  in isv_retrace_wait()  argument
286 		if (!isv_delta(state, isv_retrace(ir))) {  in isv_retrace_wait()
304 isv_capture_wait(struct isv_regs *ir, int *state, const struct timeval *end)  in isv_capture_wait()  argument
309 		if (!isv_delta(state, isv_retrace(ir))) {  in isv_capture_wait()
331 	struct isv_regs *ir = &sc->sc_ir;  in isv_capture()  local
343 	if (speed < 1 && (rc = isv_retrace_wait(ir, &state, &end)) != 0)  in isv_capture()
346 	if (speed < 2 && (rc = isv_capture_wait(ir, &state, &end)) != 0)  in isv_capture()
349 	if ((rc = isv_retrace_wait(ir, &state, &end)) != 0)  in isv_capture()
366 	isv_write(ir, ISV_CONTROL,  in isv_capture()
368 	isv_write(ir, ISV_CONTROL,  in isv_capture()
370 	isv_write(ir, ISV_CONTROL,  in isv_capture()
375 	isv_read(ir, ISV_DATA);  in isv_capture()
376 	bus_space_read_multi_stream_2(ir->ir_bt, ir->ir_bh, ISV_DATA,  in isv_capture()
380 	isv_write(ir, ISV_CONTROL,  in isv_capture()
392 	if (isv_retrace_wait(ir, &state, &end) != 0)  in isv_capture()
396 	if (isv_capture_wait(ir, &state, &end) != 0)  in isv_capture()
447 	struct isv_regs *ir = &sc->sc_ir;  in isv_detach()  local
453 	bus_space_unmap(ir->ir_bt, ir->ir_bh, 8);  in isv_detach()