64 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_set_mode()  local
72 			out_8(&regs->cantarq, priv->tx_active);  in mscan_set_mode()
74 			out_8(&regs->cantier, 0);  in mscan_set_mode()
77 		canctl1 = in_8(&regs->canctl1);  in mscan_set_mode()
79 			setbits8(&regs->canctl0, MSCAN_SLPRQ);  in mscan_set_mode()
81 				if (in_8(&regs->canctl1) & MSCAN_SLPAK)  in mscan_set_mode()
105 			setbits8(&regs->canctl0, MSCAN_INITRQ);  in mscan_set_mode()
107 				if (in_8(&regs->canctl1) & MSCAN_INITAK)  in mscan_set_mode()
117 			setbits8(&regs->canctl0, MSCAN_CSWAI);  in mscan_set_mode()
120 		canctl1 = in_8(&regs->canctl1);  in mscan_set_mode()
122 			clrbits8(&regs->canctl0, MSCAN_SLPRQ | MSCAN_INITRQ);  in mscan_set_mode()
124 				canctl1 = in_8(&regs->canctl1);  in mscan_set_mode()
140 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_start()  local
144 	out_8(&regs->canrier, 0);  in mscan_start()
155 		if (in_8(&regs->canmisc) & MSCAN_BOHOLD)  in mscan_start()
156 			out_8(&regs->canmisc, MSCAN_BOHOLD);  in mscan_start()
163 	canrflg = in_8(&regs->canrflg);  in mscan_start()
167 	out_8(&regs->cantier, 0);  in mscan_start()
170 	out_8(&regs->canrier, MSCAN_RX_INTS_ENABLE);  in mscan_start()
180 		struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_restart()  local
183 		WARN(!(in_8(&regs->canmisc) & MSCAN_BOHOLD),  in mscan_restart()
185 		out_8(&regs->canmisc, MSCAN_BOHOLD);  in mscan_restart()
187 		out_8(&regs->canrier, MSCAN_RX_INTS_ENABLE);  in mscan_restart()
201 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_start_xmit()  local
208 	out_8(&regs->cantier, 0);  in mscan_start_xmit()
235 	out_8(&regs->cantbsel, i);  in mscan_start_xmit()
245 		out_be16(&regs->tx.idr3_2, can_id);  in mscan_start_xmit()
257 	out_be16(&regs->tx.idr1_0, can_id);  in mscan_start_xmit()
260 		void __iomem *data = &regs->tx.dsr1_0;  in mscan_start_xmit()
272 	out_8(&regs->tx.dlr, frame->can_dlc);  in mscan_start_xmit()
273 	out_8(&regs->tx.tbpr, priv->cur_pri);  in mscan_start_xmit()
276 	out_8(&regs->cantflg, 1 << buf_id);  in mscan_start_xmit()
287 	out_8(&regs->cantier, priv->tx_active);  in mscan_start_xmit()
306 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_get_rx_frame()  local
310 	can_id = in_be16(&regs->rx.idr1_0);  in mscan_get_rx_frame()
313 		can_id = ((can_id << 16) | in_be16(&regs->rx.idr3_2));  in mscan_get_rx_frame()
325 	frame->can_dlc = get_can_dlc(in_8(&regs->rx.dlr) & 0xf);  in mscan_get_rx_frame()
328 		void __iomem *data = &regs->rx.dsr1_0;  in mscan_get_rx_frame()
340 	out_8(&regs->canrflg, MSCAN_RXF);  in mscan_get_rx_frame()
347 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_get_err_frame()  local
376 				out_8(&regs->cantier, 0);  in mscan_get_err_frame()
377 				out_8(&regs->canrier, 0);  in mscan_get_err_frame()
378 				setbits8(&regs->canctl0,  in mscan_get_err_frame()
386 	out_8(&regs->canrflg, MSCAN_ERR_IF);  in mscan_get_err_frame()
393 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_rx_poll()  local
402 		canrflg = in_8(&regs->canrflg);  in mscan_rx_poll()
411 			out_8(&regs->canrflg, canrflg);  in mscan_rx_poll()
426 	if (!(in_8(&regs->canrflg) & (MSCAN_RXF | MSCAN_ERR_IF))) {  in mscan_rx_poll()
430 			out_8(&regs->canrier, priv->shadow_canrier);  in mscan_rx_poll()
440 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_isr()  local
445 	cantier = in_8(&regs->cantier) & MSCAN_TXE;  in mscan_isr()
446 	cantflg = in_8(&regs->cantflg) & cantier;  in mscan_isr()
459 			out_8(&regs->cantbsel, mask);  in mscan_isr()
460 			stats->tx_bytes += in_8(&regs->tx.dlr);  in mscan_isr()
478 		out_8(&regs->cantier, priv->tx_active);  in mscan_isr()
482 	canrflg = in_8(&regs->canrflg);  in mscan_isr()
486 			priv->shadow_canrier = in_8(&regs->canrier);  in mscan_isr()
487 			out_8(&regs->canrier, 0);  in mscan_isr()
520 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_do_set_bittiming()  local
531 	out_8(&regs->canbtr0, btr0);  in mscan_do_set_bittiming()
532 	out_8(&regs->canbtr1, btr1);  in mscan_do_set_bittiming()
541 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_get_berr_counter()  local
543 	bec->txerr = in_8(&regs->cantxerr);  in mscan_get_berr_counter()
544 	bec->rxerr = in_8(&regs->canrxerr);  in mscan_get_berr_counter()
553 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_open()  local
580 		setbits8(&regs->canctl1, MSCAN_LISTEN);  in mscan_open()
582 		clrbits8(&regs->canctl1, MSCAN_LISTEN);  in mscan_open()
610 	struct mscan_regs __iomem *regs = priv->reg_base;  in mscan_close()  local
615 	out_8(&regs->cantier, 0);  in mscan_close()
616 	out_8(&regs->canrier, 0);  in mscan_close()
639 	struct mscan_regs __iomem *regs = priv->reg_base;  in register_mscandev()  local
642 	ctl1 = in_8(&regs->canctl1);  in register_mscandev()
654 	out_8(&regs->canctl1, ctl1);  in register_mscandev()
658 	out_be16(&regs->canidar1_0, 0);  in register_mscandev()
659 	out_be16(&regs->canidar3_2, 0);  in register_mscandev()
660 	out_be16(&regs->canidar5_4, 0);  in register_mscandev()
661 	out_be16(&regs->canidar7_6, 0);  in register_mscandev()
663 	out_be16(&regs->canidmr1_0, 0xffff);  in register_mscandev()
664 	out_be16(&regs->canidmr3_2, 0xffff);  in register_mscandev()
665 	out_be16(&regs->canidmr5_4, 0xffff);  in register_mscandev()
666 	out_be16(&regs->canidmr7_6, 0xffff);  in register_mscandev()
668 	out_8(&regs->canidac, MSCAN_AF_32BIT);  in register_mscandev()
678 	struct mscan_regs __iomem *regs = priv->reg_base;  in unregister_mscandev()  local
680 	clrbits8(&regs->canctl1, MSCAN_CANE);  in unregister_mscandev()