87 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in dump_iic_regs()  local
94 		in_8(&iic->cntl), in_8(&iic->mdcntl), in_8(&iic->sts),  in dump_iic_regs()
95 		in_8(&iic->extsts), in_8(&iic->clkdiv), in_8(&iic->xfrcnt),  in dump_iic_regs()
96 		in_8(&iic->xtcntlss), in_8(&iic->directcntl));  in dump_iic_regs()
139 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_dev_init()  local
144 	out_8(&iic->lmadr, 0);  in iic_dev_init()
145 	out_8(&iic->hmadr, 0);  in iic_dev_init()
148 	out_8(&iic->lsadr, 0);  in iic_dev_init()
149 	out_8(&iic->hsadr, 0);  in iic_dev_init()
152 	out_8(&iic->sts, STS_SCMP | STS_IRQA);  in iic_dev_init()
153 	out_8(&iic->extsts, EXTSTS_IRQP | EXTSTS_IRQD | EXTSTS_LA  in iic_dev_init()
157 	out_8(&iic->clkdiv, dev->clckdiv);  in iic_dev_init()
160 	out_8(&iic->xfrcnt, 0);  in iic_dev_init()
163 	out_8(&iic->xtcntlss, XTCNTLSS_SRC | XTCNTLSS_SRS | XTCNTLSS_SWC  in iic_dev_init()
167 	out_8(&iic->cntl, 0);  in iic_dev_init()
173 	out_8(&iic->mdcntl, MDCNTL_FMDB | MDCNTL_EINT | MDCNTL_EUBS  in iic_dev_init()
184 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_dev_reset()  local
192 	out_8(&iic->xtcntlss, XTCNTLSS_SRST);  in iic_dev_reset()
195 	dc = in_8(&iic->directcntl);  in iic_dev_reset()
200 		out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_dev_reset()
204 			dc = in_8(&iic->directcntl);  in iic_dev_reset()
210 			out_8(&iic->directcntl, dc);  in iic_dev_reset()
213 			out_8(&iic->directcntl, dc);  in iic_dev_reset()
221 	out_8(&iic->xtcntlss, 0);  in iic_dev_reset()
232 static int iic_dc_wait(volatile struct iic_regs __iomem *iic, u8 mask)  in iic_dc_wait()  argument
235 	while ((in_8(&iic->directcntl) & mask) != mask){  in iic_dc_wait()
245 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_smbus_quick()  local
260 	out_8(&iic->xtcntlss, XTCNTLSS_SRST);  in iic_smbus_quick()
263 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
264 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSDA | DIRCNTL_MSC)))  in iic_smbus_quick()
269 	out_8(&iic->directcntl, DIRCNTL_SCC);  in iic_smbus_quick()
276 		out_8(&iic->directcntl, sda);  in iic_smbus_quick()
279 		out_8(&iic->directcntl, sda);  in iic_smbus_quick()
282 		out_8(&iic->directcntl, DIRCNTL_SCC | sda);  in iic_smbus_quick()
283 		if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
289 	out_8(&iic->directcntl, sda);  in iic_smbus_quick()
291 	out_8(&iic->directcntl, DIRCNTL_SDAC);  in iic_smbus_quick()
293 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
294 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
296 	res = (in_8(&iic->directcntl) & DIRCNTL_MSDA) ? -EREMOTEIO : 1;  in iic_smbus_quick()
300 	out_8(&iic->directcntl, 0);  in iic_smbus_quick()
302 	out_8(&iic->directcntl, DIRCNTL_SCC);  in iic_smbus_quick()
303 	if (unlikely(iic_dc_wait(iic, DIRCNTL_MSC)))  in iic_smbus_quick()
306 	out_8(&iic->directcntl, DIRCNTL_SDAC | DIRCNTL_SCC);  in iic_smbus_quick()
313 	out_8(&iic->xtcntlss, 0);  in iic_smbus_quick()
331 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_handler()  local
334 	     dev->idx, in_8(&iic->sts), in_8(&iic->extsts));  in iic_handler()
337 	out_8(&iic->sts, STS_IRQA | STS_SCMP);  in iic_handler()
349 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer_result()  local
351 	if (unlikely(in_8(&iic->sts) & STS_ERR)){  in iic_xfer_result()
353 			in_8(&iic->extsts));  in iic_xfer_result()
356 		out_8(&iic->extsts, EXTSTS_IRQP | EXTSTS_IRQD |  in iic_xfer_result()
360 		out_8(&iic->mdcntl, in_8(&iic->mdcntl) | MDCNTL_FMDB);  in iic_xfer_result()
367 		if ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_xfer_result()
374 		return in_8(&iic->xfrcnt) & XFRCNT_MTC_MASK;  in iic_xfer_result()
382 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_abort_xfer()  local
387 	out_8(&iic->cntl, CNTL_HMT);  in iic_abort_xfer()
394 	while ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_abort_xfer()
414 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_wait_for_tc()  local
420 			!(in_8(&iic->sts) & STS_PT), dev->adap.timeout);  in iic_wait_for_tc()
424 		else if (unlikely(in_8(&iic->sts) & STS_PT)){  in iic_wait_for_tc()
433 		while (in_8(&iic->sts) & STS_PT){  in iic_wait_for_tc()
465 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer_bytes()  local
470 	u8 cntl = (in_8(&iic->cntl) & CNTL_AMD) | CNTL_PT;  in iic_xfer_bytes()
481 				out_8((void __iomem *)&iic->mdbuf, *buf++);  in iic_xfer_bytes()
491 		out_8(&iic->cntl, cmd);  in iic_xfer_bytes()
512 				*buf++ = in_8((void __iomem *)&iic->mdbuf);  in iic_xfer_bytes()
523 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_address()  local
530 	    out_8(&iic->cntl, CNTL_AMD);  in iic_address()
531 	    out_8(&iic->lmadr, addr);  in iic_address()
532 	    out_8(&iic->hmadr, 0xf0 | ((addr >> 7) & 0x06));  in iic_address()
535 	    out_8(&iic->cntl, 0);  in iic_address()
536 	    out_8(&iic->lmadr, addr << 1);  in iic_address()
559 	volatile struct iic_regs __iomem *iic = dev->vaddr;  in iic_xfer()  local
592 	if (unlikely((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE)){  in iic_xfer()
605 		if ((in_8(&iic->extsts) & EXTSTS_BCS_MASK) != EXTSTS_BCS_FREE){  in iic_xfer()
612 		out_8(&iic->mdcntl, in_8(&iic->mdcntl) | MDCNTL_FMDB);  in iic_xfer()