85 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in dump_iic_regs()  local
92 		in_8(&iic->cntl), in_8(&iic->mdcntl), in_8(&iic->sts),  in dump_iic_regs()
93 		in_8(&iic->extsts), in_8(&iic->clkdiv), in_8(&iic->xfrcnt),  in dump_iic_regs()
94 		in_8(&iic->xtcntlss), in_8(&iic->directcntl));  in dump_iic_regs()
137 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_dev_init()  local
142 	out_8(&iic->lmadr, 0);  in iic_dev_init()
143 	out_8(&iic->hmadr, 0);  in iic_dev_init()
146 	out_8(&iic->lsadr, 0);  in iic_dev_init()
147 	out_8(&iic->hsadr, 0);  in iic_dev_init()
150 	out_8(&iic->sts, STS_SCMP | STS_IRQA);  in iic_dev_init()
151 	out_8(&iic->extsts, EXTSTS_IRQP | EXTSTS_IRQD | EXTSTS_LA  in iic_dev_init()
155 	out_8(&iic->clkdiv, dev->clckdiv);  in iic_dev_init()
158 	out_8(&iic->xfrcnt, 0);  in iic_dev_init()
161 	out_8(&iic->xtcntlss, XTCNTLSS_SRC | XTCNTLSS_SRS | XTCNTLSS_SWC  in iic_dev_init()
165 	out_8(&iic->cntl, 0);  in iic_dev_init()
171 	out_8(&iic->mdcntl, MDCNTL_FMDB | MDCNTL_EINT | MDCNTL_EUBS  in iic_dev_init()
182 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_dev_reset()  local
190 	out_8(&iic->xtcntlss, XTCNTLSS_SRST);  in iic_dev_reset()
193 	dc = in_8(&iic->directcntl);  in iic_dev_reset()
198 		out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_dev_reset()
202 			dc = in_8(&iic->directcntl);  in iic_dev_reset()
208 			out_8(&iic->directcntl, dc);  in iic_dev_reset()
211 			out_8(&iic->directcntl, dc);  in iic_dev_reset()
219 	out_8(&iic->xtcntlss, 0);  in iic_dev_reset()
230 static int iic_dc_wait(volatile struct iic_regs __iomem *iic, u8 mask)  in iic_dc_wait()  argument
233 	while ((in_8(&iic->directcntl) & mask) != mask){  in iic_dc_wait()
243 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_smbus_quick()  local
258 	out_8(&iic->xtcntlss, XTCNTLSS_SRST);  in iic_smbus_quick()
261 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
262 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSDA | DIRCNTL_MSC)))  in iic_smbus_quick()
267 	out_8(&iic->directcntl, DIRCNTL_SCC);  in iic_smbus_quick()
274 		out_8(&iic->directcntl, sda);  in iic_smbus_quick()
277 		out_8(&iic->directcntl, sda);  in iic_smbus_quick()
280 		out_8(&iic->directcntl, DIRCNTL_SCC | sda);  in iic_smbus_quick()
281 		if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
287 	out_8(&iic->directcntl, sda);  in iic_smbus_quick()
289 	out_8(&iic->directcntl, DIRCNTL_SDAC);  in iic_smbus_quick()
291 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
292 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
294 	res = (in_8(&iic->directcntl) & DIRCNTL_MSDA) ? -EREMOTEIO : 1;  in iic_smbus_quick()
298 	out_8(&iic->directcntl, 0);  in iic_smbus_quick()
300 	out_8(&iic->directcntl, DIRCNTL_SCC);  in iic_smbus_quick()
301 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
304 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
311 	out_8(&iic->xtcntlss, 0);  in iic_smbus_quick()
329 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_handler()  local
332 	     dev->idx, in_8(&iic->sts), in_8(&iic->extsts));  in iic_handler()
335 	out_8(&iic->sts, STS_IRQA | STS_SCMP);  in iic_handler()
347 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer_result()  local
349 	if (unlikely(in_8(&iic->sts) & STS_ERR)){  in iic_xfer_result()
351 			in_8(&iic->extsts));  in iic_xfer_result()
354 		out_8(&iic->extsts, EXTSTS_IRQP | EXTSTS_IRQD |  in iic_xfer_result()
358 		out_8(&iic->mdcntl, in_8(&iic->mdcntl) | MDCNTL_FMDB);  in iic_xfer_result()
365 		if ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_xfer_result()
372 		return in_8(&iic->xfrcnt) & XFRCNT_MTC_MASK;  in iic_xfer_result()
380 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_abort_xfer()  local
385 	out_8(&iic->cntl, CNTL_HMT);  in iic_abort_xfer()
392 	while ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_abort_xfer()
412 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_wait_for_tc()  local
418 			!(in_8(&iic->sts) & STS_PT), dev->adap.timeout);  in iic_wait_for_tc()
422 		else if (unlikely(in_8(&iic->sts) & STS_PT)){  in iic_wait_for_tc()
431 		while (in_8(&iic->sts) & STS_PT){  in iic_wait_for_tc()
463 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer_bytes()  local
468 	u8 cntl = (in_8(&iic->cntl) & CNTL_AMD) | CNTL_PT;  in iic_xfer_bytes()
479 				out_8((void __iomem *)&iic->mdbuf, *buf++);  in iic_xfer_bytes()
489 		out_8(&iic->cntl, cmd);  in iic_xfer_bytes()
510 				*buf++ = in_8((void __iomem *)&iic->mdbuf);  in iic_xfer_bytes()
521 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_address()  local
528 	    out_8(&iic->cntl, CNTL_AMD);  in iic_address()
529 	    out_8(&iic->lmadr, addr);  in iic_address()
530 	    out_8(&iic->hmadr, 0xf0 | ((addr >> 7) & 0x06));  in iic_address()
533 	    out_8(&iic->cntl, 0);  in iic_address()
534 	    out_8(&iic->lmadr, addr << 1);  in iic_address()
557 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer()  local
593 	if (unlikely((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE)){  in iic_xfer()
606 		if ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_xfer()
613 		out_8(&iic->mdcntl, in_8(&iic->mdcntl) | MDCNTL_FMDB);  in iic_xfer()