1 // SPDX-License-Identifier: GPL-2.0-only
3  * omap-mcbsp.c  --  OMAP ALSA SoC DAI driver using McBSP port
24 #include "omap-mcbsp-priv.h"
25 #include "omap-mcbsp.h"
26 #include "sdma-pcm.h"
41 	dev_dbg(mcbsp->dev, "**** McBSP%d regs ****\n", mcbsp->id);  in omap_mcbsp_dump_reg()
42 	dev_dbg(mcbsp->dev, "DRR2:  0x%04x\n", MCBSP_READ(mcbsp, DRR2));  in omap_mcbsp_dump_reg()
43 	dev_dbg(mcbsp->dev, "DRR1:  0x%04x\n", MCBSP_READ(mcbsp, DRR1));  in omap_mcbsp_dump_reg()
44 	dev_dbg(mcbsp->dev, "DXR2:  0x%04x\n", MCBSP_READ(mcbsp, DXR2));  in omap_mcbsp_dump_reg()
45 	dev_dbg(mcbsp->dev, "DXR1:  0x%04x\n", MCBSP_READ(mcbsp, DXR1));  in omap_mcbsp_dump_reg()
46 	dev_dbg(mcbsp->dev, "SPCR2: 0x%04x\n", MCBSP_READ(mcbsp, SPCR2));  in omap_mcbsp_dump_reg()
47 	dev_dbg(mcbsp->dev, "SPCR1: 0x%04x\n", MCBSP_READ(mcbsp, SPCR1));  in omap_mcbsp_dump_reg()
48 	dev_dbg(mcbsp->dev, "RCR2:  0x%04x\n", MCBSP_READ(mcbsp, RCR2));  in omap_mcbsp_dump_reg()
49 	dev_dbg(mcbsp->dev, "RCR1:  0x%04x\n", MCBSP_READ(mcbsp, RCR1));  in omap_mcbsp_dump_reg()
50 	dev_dbg(mcbsp->dev, "XCR2:  0x%04x\n", MCBSP_READ(mcbsp, XCR2));  in omap_mcbsp_dump_reg()
51 	dev_dbg(mcbsp->dev, "XCR1:  0x%04x\n", MCBSP_READ(mcbsp, XCR1));  in omap_mcbsp_dump_reg()
52 	dev_dbg(mcbsp->dev, "SRGR2: 0x%04x\n", MCBSP_READ(mcbsp, SRGR2));  in omap_mcbsp_dump_reg()
53 	dev_dbg(mcbsp->dev, "SRGR1: 0x%04x\n", MCBSP_READ(mcbsp, SRGR1));  in omap_mcbsp_dump_reg()
54 	dev_dbg(mcbsp->dev, "PCR0:  0x%04x\n", MCBSP_READ(mcbsp, PCR0));  in omap_mcbsp_dump_reg()
55 	dev_dbg(mcbsp->dev, "***********************\n");  in omap_mcbsp_dump_reg()
69 		return -EINVAL;  in omap2_mcbsp_set_clks_src()
71 	fck_src = clk_get(mcbsp->dev, src);  in omap2_mcbsp_set_clks_src()
73 		dev_err(mcbsp->dev, "CLKS: could not clk_get() %s\n", src);  in omap2_mcbsp_set_clks_src()
74 		return -EINVAL;  in omap2_mcbsp_set_clks_src()
77 	pm_runtime_put_sync(mcbsp->dev);  in omap2_mcbsp_set_clks_src()
79 	r = clk_set_parent(mcbsp->fclk, fck_src);  in omap2_mcbsp_set_clks_src()
81 		dev_err(mcbsp->dev, "CLKS: could not clk_set_parent() to %s\n",  in omap2_mcbsp_set_clks_src()
84 	pm_runtime_get_sync(mcbsp->dev);  in omap2_mcbsp_set_clks_src()
97 	dev_dbg(mcbsp->dev, "IRQ callback : 0x%x\n", irqst);  in omap_mcbsp_irq_handler()
100 		dev_err(mcbsp->dev, "RX Frame Sync Error!\n");  in omap_mcbsp_irq_handler()
102 		dev_dbg(mcbsp->dev, "RX Frame Sync\n");  in omap_mcbsp_irq_handler()
104 		dev_dbg(mcbsp->dev, "RX End Of Frame\n");  in omap_mcbsp_irq_handler()
106 		dev_dbg(mcbsp->dev, "RX Buffer Threshold Reached\n");  in omap_mcbsp_irq_handler()
108 		dev_err(mcbsp->dev, "RX Buffer Underflow!\n");  in omap_mcbsp_irq_handler()
110 		dev_err(mcbsp->dev, "RX Buffer Overflow!\n");  in omap_mcbsp_irq_handler()
113 		dev_err(mcbsp->dev, "TX Frame Sync Error!\n");  in omap_mcbsp_irq_handler()
115 		dev_dbg(mcbsp->dev, "TX Frame Sync\n");  in omap_mcbsp_irq_handler()
117 		dev_dbg(mcbsp->dev, "TX End Of Frame\n");  in omap_mcbsp_irq_handler()
119 		dev_dbg(mcbsp->dev, "TX Buffer threshold Reached\n");  in omap_mcbsp_irq_handler()
121 		dev_err(mcbsp->dev, "TX Buffer Underflow!\n");  in omap_mcbsp_irq_handler()
123 		dev_err(mcbsp->dev, "TX Buffer Overflow!\n");  in omap_mcbsp_irq_handler()
125 		dev_dbg(mcbsp->dev, "TX Buffer empty at end of frame\n");  in omap_mcbsp_irq_handler()
138 	dev_dbg(mcbsp->dev, "TX IRQ callback : 0x%x\n", irqst_spcr2);  in omap_mcbsp_tx_irq_handler()
141 		dev_err(mcbsp->dev, "TX Frame Sync Error! : 0x%x\n",  in omap_mcbsp_tx_irq_handler()
156 	dev_dbg(mcbsp->dev, "RX IRQ callback : 0x%x\n", irqst_spcr1);  in omap_mcbsp_rx_irq_handler()
159 		dev_err(mcbsp->dev, "RX Frame Sync Error! : 0x%x\n",  in omap_mcbsp_rx_irq_handler()
177 	dev_dbg(mcbsp->dev, "Configuring McBSP%d  phys_base: 0x%08lx\n",  in omap_mcbsp_config()
178 		mcbsp->id, mcbsp->phys_base);  in omap_mcbsp_config()
181 	MCBSP_WRITE(mcbsp, SPCR2, config->spcr2);  in omap_mcbsp_config()
182 	MCBSP_WRITE(mcbsp, SPCR1, config->spcr1);  in omap_mcbsp_config()
183 	MCBSP_WRITE(mcbsp, RCR2, config->rcr2);  in omap_mcbsp_config()
184 	MCBSP_WRITE(mcbsp, RCR1, config->rcr1);  in omap_mcbsp_config()
185 	MCBSP_WRITE(mcbsp, XCR2, config->xcr2);  in omap_mcbsp_config()
186 	MCBSP_WRITE(mcbsp, XCR1, config->xcr1);  in omap_mcbsp_config()
187 	MCBSP_WRITE(mcbsp, SRGR2, config->srgr2);  in omap_mcbsp_config()
188 	MCBSP_WRITE(mcbsp, SRGR1, config->srgr1);  in omap_mcbsp_config()
189 	MCBSP_WRITE(mcbsp, MCR2, config->mcr2);  in omap_mcbsp_config()
190 	MCBSP_WRITE(mcbsp, MCR1, config->mcr1);  in omap_mcbsp_config()
191 	MCBSP_WRITE(mcbsp, PCR0, config->pcr0);  in omap_mcbsp_config()
192 	if (mcbsp->pdata->has_ccr) {  in omap_mcbsp_config()
193 		MCBSP_WRITE(mcbsp, XCCR, config->xccr);  in omap_mcbsp_config()
194 		MCBSP_WRITE(mcbsp, RCCR, config->rccr);  in omap_mcbsp_config()
197 	if (mcbsp->pdata->has_wakeup)  in omap_mcbsp_config()
201 	if (mcbsp->irq)  in omap_mcbsp_config()
207  * omap_mcbsp_dma_reg_params - returns the address of mcbsp data register
220 		if (mcbsp->pdata->reg_size == 2)  in omap_mcbsp_dma_reg_params()
225 		if (mcbsp->pdata->reg_size == 2)  in omap_mcbsp_dma_reg_params()
231 	return mcbsp->phys_dma_base + data_reg * mcbsp->pdata->reg_step;  in omap_mcbsp_dma_reg_params()
236  * The threshold parameter is 1 based, and it is converted (threshold - 1)
241 	if (threshold && threshold <= mcbsp->max_tx_thres)  in omap_mcbsp_set_tx_threshold()
242 		MCBSP_WRITE(mcbsp, THRSH2, threshold - 1);  in omap_mcbsp_set_tx_threshold()
247  * The threshold parameter is 1 based, and it is converted (threshold - 1)
252 	if (threshold && threshold <= mcbsp->max_rx_thres)  in omap_mcbsp_set_rx_threshold()
253 		MCBSP_WRITE(mcbsp, THRSH1, threshold - 1);  in omap_mcbsp_set_rx_threshold()
267 	return mcbsp->pdata->buffer_size - buffstat;  in omap_mcbsp_get_tx_delay()
287 		return threshold - buffstat;  in omap_mcbsp_get_rx_delay()
295 	reg_cache = kzalloc(mcbsp->reg_cache_size, GFP_KERNEL);  in omap_mcbsp_request()
297 		return -ENOMEM;  in omap_mcbsp_request()
299 	spin_lock(&mcbsp->lock);  in omap_mcbsp_request()
300 	if (!mcbsp->free) {  in omap_mcbsp_request()
301 		dev_err(mcbsp->dev, "McBSP%d is currently in use\n", mcbsp->id);  in omap_mcbsp_request()
302 		err = -EBUSY;  in omap_mcbsp_request()
306 	mcbsp->free = false;  in omap_mcbsp_request()
307 	mcbsp->reg_cache = reg_cache;  in omap_mcbsp_request()
308 	spin_unlock(&mcbsp->lock);  in omap_mcbsp_request()
310 	if(mcbsp->pdata->ops && mcbsp->pdata->ops->request)  in omap_mcbsp_request()
311 		mcbsp->pdata->ops->request(mcbsp->id - 1);  in omap_mcbsp_request()
314 	 * Make sure that transmitter, receiver and sample-rate generator are  in omap_mcbsp_request()
320 	if (mcbsp->irq) {  in omap_mcbsp_request()
321 		err = request_irq(mcbsp->irq, omap_mcbsp_irq_handler, 0,  in omap_mcbsp_request()
324 			dev_err(mcbsp->dev, "Unable to request IRQ\n");  in omap_mcbsp_request()
328 		err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler, 0,  in omap_mcbsp_request()
331 			dev_err(mcbsp->dev, "Unable to request TX IRQ\n");  in omap_mcbsp_request()
335 		err = request_irq(mcbsp->rx_irq, omap_mcbsp_rx_irq_handler, 0,  in omap_mcbsp_request()
338 			dev_err(mcbsp->dev, "Unable to request RX IRQ\n");  in omap_mcbsp_request()
345 	free_irq(mcbsp->tx_irq, (void *)mcbsp);  in omap_mcbsp_request()
347 	if(mcbsp->pdata->ops && mcbsp->pdata->ops->free)  in omap_mcbsp_request()
348 		mcbsp->pdata->ops->free(mcbsp->id - 1);  in omap_mcbsp_request()
351 	if (mcbsp->pdata->has_wakeup)  in omap_mcbsp_request()
354 	spin_lock(&mcbsp->lock);  in omap_mcbsp_request()
355 	mcbsp->free = true;  in omap_mcbsp_request()
356 	mcbsp->reg_cache = NULL;  in omap_mcbsp_request()
358 	spin_unlock(&mcbsp->lock);  in omap_mcbsp_request()
368 	if(mcbsp->pdata->ops && mcbsp->pdata->ops->free)  in omap_mcbsp_free()
369 		mcbsp->pdata->ops->free(mcbsp->id - 1);  in omap_mcbsp_free()
372 	if (mcbsp->pdata->has_wakeup)  in omap_mcbsp_free()
376 	if (mcbsp->irq) {  in omap_mcbsp_free()
379 		free_irq(mcbsp->irq, (void *)mcbsp);  in omap_mcbsp_free()
381 		free_irq(mcbsp->rx_irq, (void *)mcbsp);  in omap_mcbsp_free()
382 		free_irq(mcbsp->tx_irq, (void *)mcbsp);  in omap_mcbsp_free()
385 	reg_cache = mcbsp->reg_cache;  in omap_mcbsp_free()
388 	 * Select CLKS source from internal source unconditionally before  in omap_mcbsp_free()
392 	 * back to internal source.  in omap_mcbsp_free()
397 	spin_lock(&mcbsp->lock);  in omap_mcbsp_free()
398 	if (mcbsp->free)  in omap_mcbsp_free()
399 		dev_err(mcbsp->dev, "McBSP%d was not reserved\n", mcbsp->id);  in omap_mcbsp_free()
401 		mcbsp->free = true;  in omap_mcbsp_free()
402 	mcbsp->reg_cache = NULL;  in omap_mcbsp_free()
403 	spin_unlock(&mcbsp->lock);  in omap_mcbsp_free()
410  * If no transmitter or receiver is active prior calling, then sample-rate
420 	if (mcbsp->st_data)  in omap_mcbsp_start()
458 	if (mcbsp->pdata->has_ccr) {  in omap_mcbsp_start()
481 	if (mcbsp->pdata->has_ccr) {  in omap_mcbsp_stop()
491 	if (mcbsp->pdata->has_ccr) {  in omap_mcbsp_stop()
508 	if (mcbsp->st_data)  in omap_mcbsp_stop()
512 #define max_thres(m)			(mcbsp->pdata->buffer_size)
520 	return sysfs_emit(buf, "%u\n", mcbsp->prop);			\
536 		return -EDOM;						\
538 	mcbsp->prop = val;						\
559 	dma_op_mode = mcbsp->dma_op_mode;  in dma_op_mode_show()
583 	spin_lock_irq(&mcbsp->lock);  in dma_op_mode_store()
584 	if (!mcbsp->free) {  in dma_op_mode_store()
585 		size = -EBUSY;  in dma_op_mode_store()
588 	mcbsp->dma_op_mode = i;  in dma_op_mode_store()
591 	spin_unlock_irq(&mcbsp->lock);  in dma_op_mode_store()
619 	spin_lock_init(&mcbsp->lock);  in omap_mcbsp_init()
620 	mcbsp->free = true;  in omap_mcbsp_init()
626 	mcbsp->io_base = devm_ioremap_resource(&pdev->dev, res);  in omap_mcbsp_init()
627 	if (IS_ERR(mcbsp->io_base))  in omap_mcbsp_init()
628 		return PTR_ERR(mcbsp->io_base);  in omap_mcbsp_init()
630 	mcbsp->phys_base = res->start;  in omap_mcbsp_init()
631 	mcbsp->reg_cache_size = resource_size(res);  in omap_mcbsp_init()
635 		mcbsp->phys_dma_base = mcbsp->phys_base;  in omap_mcbsp_init()
637 		mcbsp->phys_dma_base = res->start;  in omap_mcbsp_init()
643 	 * Use the combined IRQ if available since it gives better debugging  in omap_mcbsp_init()
646 	mcbsp->irq = platform_get_irq_byname(pdev, "common");  in omap_mcbsp_init()
647 	if (mcbsp->irq == -ENXIO) {  in omap_mcbsp_init()
648 		mcbsp->tx_irq = platform_get_irq_byname(pdev, "tx");  in omap_mcbsp_init()
650 		if (mcbsp->tx_irq == -ENXIO) {  in omap_mcbsp_init()
651 			mcbsp->irq = platform_get_irq(pdev, 0);  in omap_mcbsp_init()
652 			mcbsp->tx_irq = 0;  in omap_mcbsp_init()
654 			mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx");  in omap_mcbsp_init()
655 			mcbsp->irq = 0;  in omap_mcbsp_init()
659 	if (!pdev->dev.of_node) {  in omap_mcbsp_init()
662 			dev_err(&pdev->dev, "invalid tx DMA channel\n");  in omap_mcbsp_init()
663 			return -ENODEV;  in omap_mcbsp_init()
665 		mcbsp->dma_req[0] = res->start;  in omap_mcbsp_init()
666 		mcbsp->dma_data[0].filter_data = &mcbsp->dma_req[0];  in omap_mcbsp_init()
670 			dev_err(&pdev->dev, "invalid rx DMA channel\n");  in omap_mcbsp_init()
671 			return -ENODEV;  in omap_mcbsp_init()
673 		mcbsp->dma_req[1] = res->start;  in omap_mcbsp_init()
674 		mcbsp->dma_data[1].filter_data = &mcbsp->dma_req[1];  in omap_mcbsp_init()
676 		mcbsp->dma_data[0].filter_data = "tx";  in omap_mcbsp_init()
677 		mcbsp->dma_data[1].filter_data = "rx";  in omap_mcbsp_init()
680 	mcbsp->dma_data[0].addr = omap_mcbsp_dma_reg_params(mcbsp,  in omap_mcbsp_init()
682 	mcbsp->dma_data[1].addr = omap_mcbsp_dma_reg_params(mcbsp,  in omap_mcbsp_init()
685 	mcbsp->fclk = devm_clk_get(&pdev->dev, "fck");  in omap_mcbsp_init()
686 	if (IS_ERR(mcbsp->fclk)) {  in omap_mcbsp_init()
687 		ret = PTR_ERR(mcbsp->fclk);  in omap_mcbsp_init()
688 		dev_err(mcbsp->dev, "unable to get fck: %d\n", ret);  in omap_mcbsp_init()
692 	mcbsp->dma_op_mode = MCBSP_DMA_MODE_ELEMENT;  in omap_mcbsp_init()
693 	if (mcbsp->pdata->buffer_size) {  in omap_mcbsp_init()
702 		mcbsp->max_tx_thres = max_thres(mcbsp) - 0x10;  in omap_mcbsp_init()
703 		mcbsp->max_rx_thres = max_thres(mcbsp) - 0x10;  in omap_mcbsp_init()
705 		ret = devm_device_add_group(mcbsp->dev, &additional_attr_group);  in omap_mcbsp_init()
707 			dev_err(mcbsp->dev,  in omap_mcbsp_init()
729 	if (mcbsp->pdata->buffer_size == 0)  in omap_mcbsp_set_threshold()
735 	 * period size in THRESHOLD mode, otherwise use McBSP threshold = 1  in omap_mcbsp_set_threshold()
743 	/* Configure McBSP internal buffer usage */  in omap_mcbsp_set_threshold()
744 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in omap_mcbsp_set_threshold()
757 	struct omap_mcbsp *mcbsp = rule->private;  in omap_mcbsp_hwrule_min_buffersize()
762 	size = mcbsp->pdata->buffer_size;  in omap_mcbsp_hwrule_min_buffersize()
764 	frames.min = size / channels->min;  in omap_mcbsp_hwrule_min_buffersize()
793 	if (mcbsp->pdata->buffer_size) {  in omap_mcbsp_dai_startup()
799 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in omap_mcbsp_dai_startup()
800 			snd_pcm_hw_rule_add(substream->runtime, 0,  in omap_mcbsp_dai_startup()
804 					    SNDRV_PCM_HW_PARAM_CHANNELS, -1);  in omap_mcbsp_dai_startup()
807 		snd_pcm_hw_constraint_step(substream->runtime, 0,  in omap_mcbsp_dai_startup()
818 	int tx = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);  in omap_mcbsp_dai_shutdown()
822 	if (mcbsp->latency[stream2])  in omap_mcbsp_dai_shutdown()
823 		cpu_latency_qos_update_request(&mcbsp->pm_qos_req,  in omap_mcbsp_dai_shutdown()
824 					       mcbsp->latency[stream2]);  in omap_mcbsp_dai_shutdown()
825 	else if (mcbsp->latency[stream1])  in omap_mcbsp_dai_shutdown()
826 		cpu_latency_qos_remove_request(&mcbsp->pm_qos_req);  in omap_mcbsp_dai_shutdown()
828 	mcbsp->latency[stream1] = 0;  in omap_mcbsp_dai_shutdown()
832 		mcbsp->configured = 0;  in omap_mcbsp_dai_shutdown()
840 	struct pm_qos_request *pm_qos_req = &mcbsp->pm_qos_req;  in omap_mcbsp_dai_prepare()
841 	int tx = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);  in omap_mcbsp_dai_prepare()
844 	int latency = mcbsp->latency[stream2];  in omap_mcbsp_dai_prepare()
847 	if (!latency || mcbsp->latency[stream1] < latency)  in omap_mcbsp_dai_prepare()
848 		latency = mcbsp->latency[stream1];  in omap_mcbsp_dai_prepare()
867 		mcbsp->active++;  in omap_mcbsp_dai_trigger()
868 		omap_mcbsp_start(mcbsp, substream->stream);  in omap_mcbsp_dai_trigger()
874 		omap_mcbsp_stop(mcbsp, substream->stream);  in omap_mcbsp_dai_trigger()
875 		mcbsp->active--;  in omap_mcbsp_dai_trigger()
878 		return -EINVAL;  in omap_mcbsp_dai_trigger()
895 	if (mcbsp->pdata->buffer_size == 0)  in omap_mcbsp_dai_delay()
898 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in omap_mcbsp_dai_delay()
908 	delay = fifo_use / substream->runtime->channels;  in omap_mcbsp_dai_delay()
918 	struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;  in omap_mcbsp_dai_hw_params()
923 	unsigned int buffer_size = mcbsp->pdata->buffer_size;  in omap_mcbsp_dai_hw_params()
936 		return -EINVAL;  in omap_mcbsp_dai_hw_params()
941 		if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) {  in omap_mcbsp_dai_hw_params()
943 			int divider = 0;  in omap_mcbsp_dai_hw_params()  local
946 			if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in omap_mcbsp_dai_hw_params()
947 				max_thrsh = mcbsp->max_tx_thres;  in omap_mcbsp_dai_hw_params()
949 				max_thrsh = mcbsp->max_rx_thres;  in omap_mcbsp_dai_hw_params()
951 			 * Use sDMA packet mode if McBSP is in threshold mode:  in omap_mcbsp_dai_hw_params()
957 			divider = period_words / max_thrsh;  in omap_mcbsp_dai_hw_params()
959 				divider++;  in omap_mcbsp_dai_hw_params()
960 			while (period_words % divider &&  in omap_mcbsp_dai_hw_params()
961 				divider < period_words)  in omap_mcbsp_dai_hw_params()
962 				divider++;  in omap_mcbsp_dai_hw_params()
963 			if (divider == period_words)  in omap_mcbsp_dai_hw_params()
964 				return -EINVAL;  in omap_mcbsp_dai_hw_params()
966 			pkt_size = period_words / divider;  in omap_mcbsp_dai_hw_params()
968 			/* Use packet mode for non mono streams */  in omap_mcbsp_dai_hw_params()
972 		latency = (buffer_size - pkt_size) / channels;  in omap_mcbsp_dai_hw_params()
974 			  (params->rate_num / params->rate_den);  in omap_mcbsp_dai_hw_params()
975 		mcbsp->latency[substream->stream] = latency;  in omap_mcbsp_dai_hw_params()
980 	dma_data->maxburst = pkt_size;  in omap_mcbsp_dai_hw_params()
982 	if (mcbsp->configured) {  in omap_mcbsp_dai_hw_params()
987 	regs->rcr2	&= ~(RPHASE | RFRLEN2(0x7f) | RWDLEN2(7));  in omap_mcbsp_dai_hw_params()
988 	regs->xcr2	&= ~(RPHASE | XFRLEN2(0x7f) | XWDLEN2(7));  in omap_mcbsp_dai_hw_params()
989 	regs->rcr1	&= ~(RFRLEN1(0x7f) | RWDLEN1(7));  in omap_mcbsp_dai_hw_params()
990 	regs->xcr1	&= ~(XFRLEN1(0x7f) | XWDLEN1(7));  in omap_mcbsp_dai_hw_params()
991 	format = mcbsp->fmt & SND_SOC_DAIFMT_FORMAT_MASK;  in omap_mcbsp_dai_hw_params()
995 		/* Use dual-phase frames */  in omap_mcbsp_dai_hw_params()
996 		regs->rcr2	|= RPHASE;  in omap_mcbsp_dai_hw_params()
997 		regs->xcr2	|= XPHASE;  in omap_mcbsp_dai_hw_params()
999 		wpf--;  in omap_mcbsp_dai_hw_params()
1000 		regs->rcr2	|= RFRLEN2(wpf - 1);  in omap_mcbsp_dai_hw_params()
1001 		regs->xcr2	|= XFRLEN2(wpf - 1);  in omap_mcbsp_dai_hw_params()
1004 	regs->rcr1	|= RFRLEN1(wpf - 1);  in omap_mcbsp_dai_hw_params()
1005 	regs->xcr1	|= XFRLEN1(wpf - 1);  in omap_mcbsp_dai_hw_params()
1010 		regs->rcr2	|= RWDLEN2(OMAP_MCBSP_WORD_16);  in omap_mcbsp_dai_hw_params()
1011 		regs->rcr1	|= RWDLEN1(OMAP_MCBSP_WORD_16);  in omap_mcbsp_dai_hw_params()
1012 		regs->xcr2	|= XWDLEN2(OMAP_MCBSP_WORD_16);  in omap_mcbsp_dai_hw_params()
1013 		regs->xcr1	|= XWDLEN1(OMAP_MCBSP_WORD_16);  in omap_mcbsp_dai_hw_params()
1017 		regs->rcr2	|= RWDLEN2(OMAP_MCBSP_WORD_32);  in omap_mcbsp_dai_hw_params()
1018 		regs->rcr1	|= RWDLEN1(OMAP_MCBSP_WORD_32);  in omap_mcbsp_dai_hw_params()
1019 		regs->xcr2	|= XWDLEN2(OMAP_MCBSP_WORD_32);  in omap_mcbsp_dai_hw_params()
1020 		regs->xcr1	|= XWDLEN1(OMAP_MCBSP_WORD_32);  in omap_mcbsp_dai_hw_params()
1024 		return -EINVAL;  in omap_mcbsp_dai_hw_params()
1029 	master = mcbsp->fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;  in omap_mcbsp_dai_hw_params()
1031 		div = mcbsp->clk_div ? mcbsp->clk_div : 1;  in omap_mcbsp_dai_hw_params()
1032 		framesize = (mcbsp->in_freq / div) / params_rate(params);  in omap_mcbsp_dai_hw_params()
1037 			return -EINVAL;  in omap_mcbsp_dai_hw_params()
1043 	regs->srgr2	&= ~FPER(0xfff);  in omap_mcbsp_dai_hw_params()
1044 	regs->srgr1	&= ~FWID(0xff);  in omap_mcbsp_dai_hw_params()
1048 		regs->srgr2	|= FPER(framesize - 1);  in omap_mcbsp_dai_hw_params()
1049 		regs->srgr1	|= FWID((framesize >> 1) - 1);  in omap_mcbsp_dai_hw_params()
1053 		regs->srgr2	|= FPER(framesize - 1);  in omap_mcbsp_dai_hw_params()
1054 		regs->srgr1	|= FWID(0);  in omap_mcbsp_dai_hw_params()
1058 	omap_mcbsp_config(mcbsp, &mcbsp->cfg_regs);  in omap_mcbsp_dai_hw_params()
1059 	mcbsp->wlen = wlen;  in omap_mcbsp_dai_hw_params()
1060 	mcbsp->configured = 1;  in omap_mcbsp_dai_hw_params()
1073 	struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;  in omap_mcbsp_dai_set_dai_fmt()
1076 	if (mcbsp->configured)  in omap_mcbsp_dai_set_dai_fmt()
1079 	mcbsp->fmt = fmt;  in omap_mcbsp_dai_set_dai_fmt()
1082 	regs->spcr2	|= XINTM(3) | FREE;  in omap_mcbsp_dai_set_dai_fmt()
1083 	regs->spcr1	|= RINTM(3);  in omap_mcbsp_dai_set_dai_fmt()
1085 	if (!mcbsp->pdata->has_ccr) {  in omap_mcbsp_dai_set_dai_fmt()
1086 		regs->rcr2	|= RFIG;  in omap_mcbsp_dai_set_dai_fmt()
1087 		regs->xcr2	|= XFIG;  in omap_mcbsp_dai_set_dai_fmt()
1091 	if (mcbsp->pdata->has_ccr) {  in omap_mcbsp_dai_set_dai_fmt()
1092 		regs->xccr = DXENDLY(1) | XDMAEN | XDISABLE;  in omap_mcbsp_dai_set_dai_fmt()
1093 		regs->rccr = RFULL_CYCLE | RDMAEN | RDISABLE;  in omap_mcbsp_dai_set_dai_fmt()
1098 		/* 1-bit data delay */  in omap_mcbsp_dai_set_dai_fmt()
1099 		regs->rcr2	|= RDATDLY(1);  in omap_mcbsp_dai_set_dai_fmt()
1100 		regs->xcr2	|= XDATDLY(1);  in omap_mcbsp_dai_set_dai_fmt()
1103 		/* 0-bit data delay */  in omap_mcbsp_dai_set_dai_fmt()
1104 		regs->rcr2	|= RDATDLY(0);  in omap_mcbsp_dai_set_dai_fmt()
1105 		regs->xcr2	|= XDATDLY(0);  in omap_mcbsp_dai_set_dai_fmt()
1106 		regs->spcr1	|= RJUST(2);  in omap_mcbsp_dai_set_dai_fmt()
1111 		/* 1-bit data delay */  in omap_mcbsp_dai_set_dai_fmt()
1112 		regs->rcr2      |= RDATDLY(1);  in omap_mcbsp_dai_set_dai_fmt()
1113 		regs->xcr2      |= XDATDLY(1);  in omap_mcbsp_dai_set_dai_fmt()
1118 		/* 0-bit data delay */  in omap_mcbsp_dai_set_dai_fmt()
1119 		regs->rcr2      |= RDATDLY(0);  in omap_mcbsp_dai_set_dai_fmt()
1120 		regs->xcr2      |= XDATDLY(0);  in omap_mcbsp_dai_set_dai_fmt()
1126 		return -EINVAL;  in omap_mcbsp_dai_set_dai_fmt()
1132 		regs->pcr0	|= FSXM | FSRM |  in omap_mcbsp_dai_set_dai_fmt()
1135 		regs->srgr2	|= FSGM;  in omap_mcbsp_dai_set_dai_fmt()
1139 		regs->srgr2	|= FSGM;  in omap_mcbsp_dai_set_dai_fmt()
1140 		regs->pcr0	|= FSXM | FSRM;  in omap_mcbsp_dai_set_dai_fmt()
1147 		return -EINVAL;  in omap_mcbsp_dai_set_dai_fmt()
1158 		regs->pcr0	|= FSXP | FSRP |  in omap_mcbsp_dai_set_dai_fmt()
1162 		regs->pcr0	|= CLKXP | CLKRP;  in omap_mcbsp_dai_set_dai_fmt()
1165 		regs->pcr0	|= FSXP | FSRP;  in omap_mcbsp_dai_set_dai_fmt()
1170 		return -EINVAL;  in omap_mcbsp_dai_set_dai_fmt()
1173 		regs->pcr0 ^= FSXP | FSRP;  in omap_mcbsp_dai_set_dai_fmt()
1182 	struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;  in omap_mcbsp_dai_set_clkdiv()
1185 		return -ENODEV;  in omap_mcbsp_dai_set_clkdiv()
1187 	mcbsp->clk_div = div;  in omap_mcbsp_dai_set_clkdiv()
1188 	regs->srgr1	&= ~CLKGDV(0xff);  in omap_mcbsp_dai_set_clkdiv()
1189 	regs->srgr1	|= CLKGDV(div - 1);  in omap_mcbsp_dai_set_clkdiv()
1199 	struct omap_mcbsp_reg_cfg *regs = &mcbsp->cfg_regs;  in omap_mcbsp_dai_set_dai_sysclk()
1202 	if (mcbsp->active) {  in omap_mcbsp_dai_set_dai_sysclk()
1203 		if (freq == mcbsp->in_freq)  in omap_mcbsp_dai_set_dai_sysclk()
1206 			return -EBUSY;  in omap_mcbsp_dai_set_dai_sysclk()
1209 	mcbsp->in_freq = freq;  in omap_mcbsp_dai_set_dai_sysclk()
1210 	regs->srgr2 &= ~CLKSM;  in omap_mcbsp_dai_set_dai_sysclk()
1211 	regs->pcr0 &= ~SCLKME;  in omap_mcbsp_dai_set_dai_sysclk()
1215 		regs->srgr2	|= CLKSM;  in omap_mcbsp_dai_set_dai_sysclk()
1219 			err = -EINVAL;  in omap_mcbsp_dai_set_dai_sysclk()
1235 		regs->srgr2	|= CLKSM;  in omap_mcbsp_dai_set_dai_sysclk()
1236 		regs->pcr0	|= SCLKME;  in omap_mcbsp_dai_set_dai_sysclk()
1243 		regs->pcr0	&= ~CLKXM;  in omap_mcbsp_dai_set_dai_sysclk()
1246 		regs->pcr0	|= SCLKME;  in omap_mcbsp_dai_set_dai_sysclk()
1248 		regs->pcr0	&= ~CLKRM;  in omap_mcbsp_dai_set_dai_sysclk()
1251 		err = -ENODEV;  in omap_mcbsp_dai_set_dai_sysclk()
1273 	pm_runtime_enable(mcbsp->dev);  in omap_mcbsp_probe()
1276 				  &mcbsp->dma_data[SNDRV_PCM_STREAM_PLAYBACK],  in omap_mcbsp_probe()
1277 				  &mcbsp->dma_data[SNDRV_PCM_STREAM_CAPTURE]);  in omap_mcbsp_probe()
1286 	pm_runtime_disable(mcbsp->dev);  in omap_mcbsp_remove()
1310 	.name			= "omap-mcbsp",
1341 		.compatible = "ti,omap2420-mcbsp",
1345 		.compatible = "ti,omap2430-mcbsp",
1349 		.compatible = "ti,omap3-mcbsp",
1353 		.compatible = "ti,omap4-mcbsp",
1362 	struct omap_mcbsp_platform_data *pdata = dev_get_platdata(&pdev->dev);  in asoc_mcbsp_probe()
1367 	match = of_match_device(omap_mcbsp_of_match, &pdev->dev);  in asoc_mcbsp_probe()
1369 		struct device_node *node = pdev->dev.of_node;  in asoc_mcbsp_probe()
1373 		pdata = devm_kzalloc(&pdev->dev,  in asoc_mcbsp_probe()
1377 			return -ENOMEM;  in asoc_mcbsp_probe()
1379 		memcpy(pdata, match->data, sizeof(*pdata));  in asoc_mcbsp_probe()
1380 		if (!of_property_read_u32(node, "ti,buffer-size", &buffer_size))  in asoc_mcbsp_probe()
1381 			pdata->buffer_size = buffer_size;  in asoc_mcbsp_probe()
1383 			pdata->force_ick_on = pdata_quirk->force_ick_on;  in asoc_mcbsp_probe()
1385 		dev_err(&pdev->dev, "missing platform data.\n");  in asoc_mcbsp_probe()
1386 		return -EINVAL;  in asoc_mcbsp_probe()
1388 	mcbsp = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcbsp), GFP_KERNEL);  in asoc_mcbsp_probe()
1390 		return -ENOMEM;  in asoc_mcbsp_probe()
1392 	mcbsp->id = pdev->id;  in asoc_mcbsp_probe()
1393 	mcbsp->pdata = pdata;  in asoc_mcbsp_probe()
1394 	mcbsp->dev = &pdev->dev;  in asoc_mcbsp_probe()
1401 	if (mcbsp->pdata->reg_size == 2) {  in asoc_mcbsp_probe()
1406 	ret = devm_snd_soc_register_component(&pdev->dev,  in asoc_mcbsp_probe()
1412 	return sdma_pcm_platform_register(&pdev->dev, "tx", "rx");  in asoc_mcbsp_probe()
1419 	if (mcbsp->pdata->ops && mcbsp->pdata->ops->free)  in asoc_mcbsp_remove()
1420 		mcbsp->pdata->ops->free(mcbsp->id);  in asoc_mcbsp_remove()
1422 	if (cpu_latency_qos_request_active(&mcbsp->pm_qos_req))  in asoc_mcbsp_remove()
1423 		cpu_latency_qos_remove_request(&mcbsp->pm_qos_req);  in asoc_mcbsp_remove()
1430 			.name = "omap-mcbsp",
1443 MODULE_ALIAS("platform:omap-mcbsp");