157 	struct atmel_ssc_info *ssc_p = dev_id;  in atmel_ssc_interrupt()  local
163 	ssc_sr = (unsigned long)ssc_readl(ssc_p->ssc->regs, SR)  in atmel_ssc_interrupt()
164 			& (unsigned long)ssc_readl(ssc_p->ssc->regs, IMR);  in atmel_ssc_interrupt()
172 	for (i = 0; i < ARRAY_SIZE(ssc_p->dma_params); i++) {  in atmel_ssc_interrupt()
173 		dma_params = ssc_p->dma_params[i];  in atmel_ssc_interrupt()
210 	struct atmel_ssc_info *ssc_p = rule->private;  in atmel_ssc_hw_rule_rate()  local
211 	struct ssc_device *ssc = ssc_p->ssc;  in atmel_ssc_hw_rule_rate()
228 	switch (ssc_p->daifmt & SND_SOC_DAIFMT_MASTER_MASK) {  in atmel_ssc_hw_rule_rate()
230 		if ((ssc_p->dir_mask & SSC_DIR_MASK_CAPTURE)  in atmel_ssc_hw_rule_rate()
240 		if ((ssc_p->dir_mask & SSC_DIR_MASK_PLAYBACK)  in atmel_ssc_hw_rule_rate()
251 	switch (ssc_p->daifmt & SND_SOC_DAIFMT_MASTER_MASK) {  in atmel_ssc_hw_rule_rate()
253 		r.num = ssc_p->mck_rate / mck_div / frame_size;  in atmel_ssc_hw_rule_rate()
265 		t.max = ssc_p->mck_rate / mck_div / frame_size;  in atmel_ssc_hw_rule_rate()
288 	struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];  in atmel_ssc_startup()  local
294 		ssc_readl(ssc_p->ssc->regs, SR));  in atmel_ssc_startup()
298 	clk_enable(ssc_p->ssc->clk);  in atmel_ssc_startup()
299 	ssc_p->mck_rate = clk_get_rate(ssc_p->ssc->clk);  in atmel_ssc_startup()
302 	ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_SWRST));  in atmel_ssc_startup()
315 				  ssc_p,  in atmel_ssc_startup()
324 	dma_params->ssc = ssc_p->ssc;  in atmel_ssc_startup()
327 	ssc_p->dma_params[dir] = dma_params;  in atmel_ssc_startup()
331 	spin_lock_irq(&ssc_p->lock);  in atmel_ssc_startup()
332 	if (ssc_p->dir_mask & dir_mask) {  in atmel_ssc_startup()
333 		spin_unlock_irq(&ssc_p->lock);  in atmel_ssc_startup()
336 	ssc_p->dir_mask |= dir_mask;  in atmel_ssc_startup()
337 	spin_unlock_irq(&ssc_p->lock);  in atmel_ssc_startup()
349 	struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];  in atmel_ssc_shutdown()  local
358 	dma_params = ssc_p->dma_params[dir];  in atmel_ssc_shutdown()
363 		ssc_p->dma_params[dir] = NULL;  in atmel_ssc_shutdown()
368 	spin_lock_irq(&ssc_p->lock);  in atmel_ssc_shutdown()
369 	ssc_p->dir_mask &= ~dir_mask;  in atmel_ssc_shutdown()
370 	if (!ssc_p->dir_mask) {  in atmel_ssc_shutdown()
371 		if (ssc_p->initialized) {  in atmel_ssc_shutdown()
372 			free_irq(ssc_p->ssc->irq, ssc_p);  in atmel_ssc_shutdown()
373 			ssc_p->initialized = 0;  in atmel_ssc_shutdown()
377 		ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_SWRST));  in atmel_ssc_shutdown()
379 		ssc_p->cmr_div = ssc_p->tcmr_period = ssc_p->rcmr_period = 0;  in atmel_ssc_shutdown()
381 	spin_unlock_irq(&ssc_p->lock);  in atmel_ssc_shutdown()
385 	clk_disable(ssc_p->ssc->clk);  in atmel_ssc_shutdown()
395 	struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id];  in atmel_ssc_set_dai_fmt()  local
397 	ssc_p->daifmt = fmt;  in atmel_ssc_set_dai_fmt()
407 	struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id];  in atmel_ssc_set_dai_clkdiv()  local
416 		if (ssc_p->dir_mask !=  in atmel_ssc_set_dai_clkdiv()
418 			ssc_p->cmr_div = div;  in atmel_ssc_set_dai_clkdiv()
419 		else if (ssc_p->cmr_div == 0)  in atmel_ssc_set_dai_clkdiv()
420 			ssc_p->cmr_div = div;  in atmel_ssc_set_dai_clkdiv()
422 			if (div != ssc_p->cmr_div)  in atmel_ssc_set_dai_clkdiv()
427 		ssc_p->tcmr_period = div;  in atmel_ssc_set_dai_clkdiv()
431 		ssc_p->rcmr_period = div;  in atmel_ssc_set_dai_clkdiv()
449 	struct atmel_ssc_info *ssc_p = &ssc_info[id];  in atmel_ssc_hw_params()  local
450 	struct ssc_device *ssc = ssc_p->ssc;  in atmel_ssc_hw_params()
467 	dma_params = ssc_p->dma_params[dir];  in atmel_ssc_hw_params()
499 	switch (ssc_p->daifmt  in atmel_ssc_hw_params()
521 		rcmr =	  SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period)  in atmel_ssc_hw_params()
537 		tcmr =	  SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period)  in atmel_ssc_hw_params()
603 		rcmr =	  SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period)  in atmel_ssc_hw_params()
620 		tcmr =	  SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period)  in atmel_ssc_hw_params()
647 		rcmr =	  SSC_BF(RCMR_PERIOD, ssc_p->rcmr_period)  in atmel_ssc_hw_params()
662 		tcmr =	  SSC_BF(TCMR_PERIOD, ssc_p->tcmr_period)  in atmel_ssc_hw_params()
723 			ssc_p->daifmt);  in atmel_ssc_hw_params()
730 	if (!ssc_p->initialized) {  in atmel_ssc_hw_params()
731 		if (!ssc_p->ssc->pdata->use_dma) {  in atmel_ssc_hw_params()
732 			ssc_writel(ssc_p->ssc->regs, PDC_RPR, 0);  in atmel_ssc_hw_params()
733 			ssc_writel(ssc_p->ssc->regs, PDC_RCR, 0);  in atmel_ssc_hw_params()
734 			ssc_writel(ssc_p->ssc->regs, PDC_RNPR, 0);  in atmel_ssc_hw_params()
735 			ssc_writel(ssc_p->ssc->regs, PDC_RNCR, 0);  in atmel_ssc_hw_params()
737 			ssc_writel(ssc_p->ssc->regs, PDC_TPR, 0);  in atmel_ssc_hw_params()
738 			ssc_writel(ssc_p->ssc->regs, PDC_TCR, 0);  in atmel_ssc_hw_params()
739 			ssc_writel(ssc_p->ssc->regs, PDC_TNPR, 0);  in atmel_ssc_hw_params()
740 			ssc_writel(ssc_p->ssc->regs, PDC_TNCR, 0);  in atmel_ssc_hw_params()
743 		ret = request_irq(ssc_p->ssc->irq, atmel_ssc_interrupt, 0,  in atmel_ssc_hw_params()
744 				ssc_p->name, ssc_p);  in atmel_ssc_hw_params()
749 			clk_disable(ssc_p->ssc->clk);  in atmel_ssc_hw_params()
753 		ssc_p->initialized = 1;  in atmel_ssc_hw_params()
757 	ssc_writel(ssc_p->ssc->regs, CMR, ssc_p->cmr_div);  in atmel_ssc_hw_params()
760 	ssc_writel(ssc_p->ssc->regs, RCMR, rcmr);  in atmel_ssc_hw_params()
761 	ssc_writel(ssc_p->ssc->regs, RFMR, rfmr);  in atmel_ssc_hw_params()
764 	ssc_writel(ssc_p->ssc->regs, TCMR, tcmr);  in atmel_ssc_hw_params()
765 	ssc_writel(ssc_p->ssc->regs, TFMR, tfmr);  in atmel_ssc_hw_params()
775 	struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];  in atmel_ssc_prepare()  local
784 	dma_params = ssc_p->dma_params[dir];  in atmel_ssc_prepare()
786 	ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);  in atmel_ssc_prepare()
787 	ssc_writel(ssc_p->ssc->regs, IDR, dma_params->mask->ssc_error);  in atmel_ssc_prepare()
791 			ssc_readl(ssc_p->ssc->regs, SR));  in atmel_ssc_prepare()
798 	struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];  in atmel_ssc_trigger()  local
807 	dma_params = ssc_p->dma_params[dir];  in atmel_ssc_trigger()
813 		ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable);  in atmel_ssc_trigger()
816 		ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);  in atmel_ssc_trigger()
826 	struct atmel_ssc_info *ssc_p;  in atmel_ssc_suspend()  local
831 	ssc_p = &ssc_info[cpu_dai->id];  in atmel_ssc_suspend()
834 	ssc_p->ssc_state.ssc_sr = ssc_readl(ssc_p->ssc->regs, SR);  in atmel_ssc_suspend()
835 	ssc_writel(ssc_p->ssc->regs, CR, SSC_BIT(CR_TXDIS) | SSC_BIT(CR_RXDIS));  in atmel_ssc_suspend()
838 	ssc_p->ssc_state.ssc_imr = ssc_readl(ssc_p->ssc->regs, IMR);  in atmel_ssc_suspend()
839 	ssc_writel(ssc_p->ssc->regs, IDR, ssc_p->ssc_state.ssc_imr);  in atmel_ssc_suspend()
841 	ssc_p->ssc_state.ssc_cmr = ssc_readl(ssc_p->ssc->regs, CMR);  in atmel_ssc_suspend()
842 	ssc_p->ssc_state.ssc_rcmr = ssc_readl(ssc_p->ssc->regs, RCMR);  in atmel_ssc_suspend()
843 	ssc_p->ssc_state.ssc_rfmr = ssc_readl(ssc_p->ssc->regs, RFMR);  in atmel_ssc_suspend()
844 	ssc_p->ssc_state.ssc_tcmr = ssc_readl(ssc_p->ssc->regs, TCMR);  in atmel_ssc_suspend()
845 	ssc_p->ssc_state.ssc_tfmr = ssc_readl(ssc_p->ssc->regs, TFMR);  in atmel_ssc_suspend()
854 	struct atmel_ssc_info *ssc_p;  in atmel_ssc_resume()  local
860 	ssc_p = &ssc_info[cpu_dai->id];  in atmel_ssc_resume()
863 	ssc_writel(ssc_p->ssc->regs, TFMR, ssc_p->ssc_state.ssc_tfmr);  in atmel_ssc_resume()
864 	ssc_writel(ssc_p->ssc->regs, TCMR, ssc_p->ssc_state.ssc_tcmr);  in atmel_ssc_resume()
865 	ssc_writel(ssc_p->ssc->regs, RFMR, ssc_p->ssc_state.ssc_rfmr);  in atmel_ssc_resume()
866 	ssc_writel(ssc_p->ssc->regs, RCMR, ssc_p->ssc_state.ssc_rcmr);  in atmel_ssc_resume()
867 	ssc_writel(ssc_p->ssc->regs, CMR, ssc_p->ssc_state.ssc_cmr);  in atmel_ssc_resume()
870 	ssc_writel(ssc_p->ssc->regs, IER, ssc_p->ssc_state.ssc_imr);  in atmel_ssc_resume()
875 	    (ssc_p->ssc_state.ssc_sr & SSC_BIT(SR_RXEN)) ? SSC_BIT(CR_RXEN) : 0;  in atmel_ssc_resume()
877 	    (ssc_p->ssc_state.ssc_sr & SSC_BIT(SR_TXEN)) ? SSC_BIT(CR_TXEN) : 0;  in atmel_ssc_resume()
878 	ssc_writel(ssc_p->ssc->regs, CR, cr);  in atmel_ssc_resume()