265 static u32 pmif_readl(struct pmif *arb, enum pmif_regs reg)  in pmif_readl()  argument
267 	return readl(arb->base + arb->data->regs[reg]);  in pmif_readl()
270 static void pmif_writel(struct pmif *arb, u32 val, enum pmif_regs reg)  in pmif_writel()  argument
272 	writel(val, arb->base + arb->data->regs[reg]);  in pmif_writel()
275 static void mtk_spmi_writel(struct pmif *arb, u32 val, enum spmi_regs reg)  in mtk_spmi_writel()  argument
277 	writel(val, arb->spmimst_base + arb->data->spmimst_regs[reg]);  in mtk_spmi_writel()
280 static bool pmif_is_fsm_vldclr(struct pmif *arb)  in pmif_is_fsm_vldclr()  argument
284 	reg_rdata = pmif_readl(arb, arb->chan.ch_sta);  in pmif_is_fsm_vldclr()
291 	struct pmif *arb = spmi_controller_get_drvdata(ctrl);  in pmif_arb_cmd()  local
301 	mtk_spmi_writel(arb, (cmd << 0x4) | sid, SPMI_OP_ST_CTRL);  in pmif_arb_cmd()
302 	ret = readl_poll_timeout_atomic(arb->spmimst_base + arb->data->spmimst_regs[SPMI_OP_ST_STA],  in pmif_arb_cmd()
314 	struct pmif *arb = spmi_controller_get_drvdata(ctrl);  in pmif_spmi_read_cmd()  local
339 	raw_spin_lock_irqsave(&arb->lock, flags);  in pmif_spmi_read_cmd()
341 	inf_reg = &arb->chan;  in pmif_spmi_read_cmd()
342 	ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta],  in pmif_spmi_read_cmd()
347 		if (pmif_is_fsm_vldclr(arb))  in pmif_spmi_read_cmd()
348 			pmif_writel(arb, 1, inf_reg->ch_rdy);  in pmif_spmi_read_cmd()
349 		raw_spin_unlock_irqrestore(&arb->lock, flags);  in pmif_spmi_read_cmd()
356 	pmif_writel(arb, cmd, inf_reg->ch_send);  in pmif_spmi_read_cmd()
357 	raw_spin_unlock_irqrestore(&arb->lock, flags);  in pmif_spmi_read_cmd()
363 	ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta],  in pmif_spmi_read_cmd()
371 	data = pmif_readl(arb, inf_reg->rdata);  in pmif_spmi_read_cmd()
373 	pmif_writel(arb, 1, inf_reg->ch_rdy);  in pmif_spmi_read_cmd()
381 	struct pmif *arb = spmi_controller_get_drvdata(ctrl);  in pmif_spmi_write_cmd()  local
406 	raw_spin_lock_irqsave(&arb->lock, flags);  in pmif_spmi_write_cmd()
408 	inf_reg = &arb->chan;  in pmif_spmi_write_cmd()
409 	ret = readl_poll_timeout_atomic(arb->base + arb->data->regs[inf_reg->ch_sta],  in pmif_spmi_write_cmd()
414 		if (pmif_is_fsm_vldclr(arb))  in pmif_spmi_write_cmd()
415 			pmif_writel(arb, 1, inf_reg->ch_rdy);  in pmif_spmi_write_cmd()
416 		raw_spin_unlock_irqrestore(&arb->lock, flags);  in pmif_spmi_write_cmd()
421 	pmif_writel(arb, wdata, inf_reg->wdata);  in pmif_spmi_write_cmd()
425 	pmif_writel(arb, cmd, inf_reg->ch_send);  in pmif_spmi_write_cmd()
426 	raw_spin_unlock_irqrestore(&arb->lock, flags);  in pmif_spmi_write_cmd()
445 	struct pmif *arb;  in mtk_spmi_probe()  local
450 	ctrl = spmi_controller_alloc(&pdev->dev, sizeof(*arb));  in mtk_spmi_probe()
454 	arb = spmi_controller_get_drvdata(ctrl);  in mtk_spmi_probe()
455 	arb->data = device_get_match_data(&pdev->dev);  in mtk_spmi_probe()
456 	if (!arb->data) {  in mtk_spmi_probe()
462 	arb->base = devm_platform_ioremap_resource_byname(pdev, "pmif");  in mtk_spmi_probe()
463 	if (IS_ERR(arb->base)) {  in mtk_spmi_probe()
464 		err = PTR_ERR(arb->base);  in mtk_spmi_probe()
468 	arb->spmimst_base = devm_platform_ioremap_resource_byname(pdev, "spmimst");  in mtk_spmi_probe()
469 	if (IS_ERR(arb->spmimst_base)) {  in mtk_spmi_probe()
470 		err = PTR_ERR(arb->spmimst_base);  in mtk_spmi_probe()
474 	arb->nclks = ARRAY_SIZE(pmif_clock_names);  in mtk_spmi_probe()
475 	for (i = 0; i < arb->nclks; i++)  in mtk_spmi_probe()
476 		arb->clks[i].id = pmif_clock_names[i];  in mtk_spmi_probe()
478 	err = clk_bulk_get(&pdev->dev, arb->nclks, arb->clks);  in mtk_spmi_probe()
484 	err = clk_bulk_prepare_enable(arb->nclks, arb->clks);  in mtk_spmi_probe()
494 	chan_offset = PMIF_CHAN_OFFSET * arb->data->soc_chan;  in mtk_spmi_probe()
495 	arb->chan.ch_sta = PMIF_SWINF_0_STA + chan_offset;  in mtk_spmi_probe()
496 	arb->chan.wdata = PMIF_SWINF_0_WDATA_31_0 + chan_offset;  in mtk_spmi_probe()
497 	arb->chan.rdata = PMIF_SWINF_0_RDATA_31_0 + chan_offset;  in mtk_spmi_probe()
498 	arb->chan.ch_send = PMIF_SWINF_0_ACC + chan_offset;  in mtk_spmi_probe()
499 	arb->chan.ch_rdy = PMIF_SWINF_0_VLD_CLR + chan_offset;  in mtk_spmi_probe()
501 	raw_spin_lock_init(&arb->lock);  in mtk_spmi_probe()
512 	clk_bulk_disable_unprepare(arb->nclks, arb->clks);  in mtk_spmi_probe()
514 	clk_bulk_put(arb->nclks, arb->clks);  in mtk_spmi_probe()
523 	struct pmif *arb = spmi_controller_get_drvdata(ctrl);  in mtk_spmi_remove()  local
525 	clk_bulk_disable_unprepare(arb->nclks, arb->clks);  in mtk_spmi_remove()
526 	clk_bulk_put(arb->nclks, arb->clks);  in mtk_spmi_remove()