1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt1318-sdw.c -- rt1318 SDCA ALSA SoC amplifier audio driver
19 #include <sound/soc-dapm.h>
21 #include "rt1318-sdw.h"
29 	{ 0xc007, 0x64 },
135 	{ 0xdba8, 0x64 },
137 	{ 0xdda8, 0x64 },
175 	{ 0xc007, 0x64 },
218 	{ 0xdd94, 0x64 },
347 	struct sdw_slave_prop *prop = &slave->prop;  in rt1318_read_prop()
350 	u32 bit;  in rt1318_read_prop()  local
354 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;  in rt1318_read_prop()
355 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;  in rt1318_read_prop()
357 	prop->paging_support = true;  in rt1318_read_prop()
360 	prop->source_ports = BIT(2);  in rt1318_read_prop()
361 	prop->sink_ports = BIT(1);  in rt1318_read_prop()
363 	nval = hweight32(prop->source_ports);  in rt1318_read_prop()
364 	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt1318_read_prop()
365 		sizeof(*prop->src_dpn_prop), GFP_KERNEL);  in rt1318_read_prop()
366 	if (!prop->src_dpn_prop)  in rt1318_read_prop()
367 		return -ENOMEM;  in rt1318_read_prop()
370 	dpn = prop->src_dpn_prop;  in rt1318_read_prop()
371 	addr = prop->source_ports;  in rt1318_read_prop()
372 	for_each_set_bit(bit, &addr, 32) {  in rt1318_read_prop()
373 		dpn[i].num = bit;  in rt1318_read_prop()
381 	nval = hweight32(prop->sink_ports);  in rt1318_read_prop()
382 	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt1318_read_prop()
383 		sizeof(*prop->sink_dpn_prop), GFP_KERNEL);  in rt1318_read_prop()
384 	if (!prop->sink_dpn_prop)  in rt1318_read_prop()
385 		return -ENOMEM;  in rt1318_read_prop()
388 	dpn = prop->sink_dpn_prop;  in rt1318_read_prop()
389 	addr = prop->sink_ports;  in rt1318_read_prop()
390 	for_each_set_bit(bit, &addr, 32) {  in rt1318_read_prop()
391 		dpn[j].num = bit;  in rt1318_read_prop()
399 	prop->clk_stop_timeout = 20;  in rt1318_read_prop()
408 	if (rt1318->hw_init)  in rt1318_io_init()
411 	regcache_cache_only(rt1318->regmap, false);  in rt1318_io_init()
412 	if (rt1318->first_hw_init) {  in rt1318_io_init()
413 		regcache_cache_bypass(rt1318->regmap, true);  in rt1318_io_init()
419 		pm_runtime_set_active(&slave->dev);  in rt1318_io_init()
422 	pm_runtime_get_noresume(&slave->dev);  in rt1318_io_init()
425 	regmap_multi_reg_write(rt1318->regmap, rt1318_blind_write,  in rt1318_io_init()
428 	if (rt1318->first_hw_init) {  in rt1318_io_init()
429 		regcache_cache_bypass(rt1318->regmap, false);  in rt1318_io_init()
430 		regcache_mark_dirty(rt1318->regmap);  in rt1318_io_init()
434 	rt1318->first_hw_init = true;  in rt1318_io_init()
435 	rt1318->hw_init = true;  in rt1318_io_init()
437 	pm_runtime_mark_last_busy(&slave->dev);  in rt1318_io_init()
438 	pm_runtime_put_autosuspend(&slave->dev);  in rt1318_io_init()
440 	dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);  in rt1318_io_init()
447 	struct  rt1318_sdw_priv *rt1318 = dev_get_drvdata(&slave->dev);  in rt1318_update_status()
450 		rt1318->hw_init = false;  in rt1318_update_status()
456 	if (rt1318->hw_init || status != SDW_SLAVE_ATTACHED)  in rt1318_update_status()
460 	return rt1318_io_init(&slave->dev, slave);  in rt1318_update_status()
467 		snd_soc_dapm_to_component(w->dapm);  in rt1318_classd_event()
473 		regmap_write(rt1318->regmap,  in rt1318_classd_event()
479 		regmap_write(rt1318->regmap,  in rt1318_classd_event()
519 		0, 1, 1);
566 	struct snd_soc_component *component = dai->component;  in rt1318_sdw_hw_params()
576 	dev_dbg(dai->dev, "%s %s", __func__, dai->name);  in rt1318_sdw_hw_params()
580 		return -EINVAL;  in rt1318_sdw_hw_params()
582 	if (!rt1318->sdw_slave)  in rt1318_sdw_hw_params()
583 		return -EINVAL;  in rt1318_sdw_hw_params()
586 	/* port 1 for playback */  in rt1318_sdw_hw_params()
587 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in rt1318_sdw_hw_params()
589 		port = 1;  in rt1318_sdw_hw_params()
596 	ch_mask = (1 << num_channels) - 1;  in rt1318_sdw_hw_params()
606 	retval = sdw_stream_add_slave(rt1318->sdw_slave, &stream_config,  in rt1318_sdw_hw_params()
607 				&port_config, 1, sdw_stream);  in rt1318_sdw_hw_params()
609 		dev_err(dai->dev, "%s: Unable to configure port\n", __func__);  in rt1318_sdw_hw_params()
634 		dev_err(component->dev, "%s: Rate %d is not supported\n",  in rt1318_sdw_hw_params()
636 		return -EINVAL;  in rt1318_sdw_hw_params()
640 	regmap_write(rt1318->regmap,  in rt1318_sdw_hw_params()
650 	struct snd_soc_component *component = dai->component;  in rt1318_sdw_pcm_hw_free()
656 	if (!rt1318->sdw_slave)  in rt1318_sdw_pcm_hw_free()
657 		return -EINVAL;  in rt1318_sdw_pcm_hw_free()
659 	sdw_stream_remove_slave(rt1318->sdw_slave, sdw_stream);  in rt1318_sdw_pcm_hw_free()
677 	rt1318->component = component;  in rt1318_sdw_component_probe()
679 	if (!rt1318->first_hw_init)  in rt1318_sdw_component_probe()
682 	ret = pm_runtime_resume(component->dev);  in rt1318_sdw_component_probe()
683 	dev_dbg(&rt1318->sdw_slave->dev, "%s pm_runtime_resume, ret=%d", __func__, ret);  in rt1318_sdw_component_probe()
684 	if (ret < 0 && ret != -EACCES)  in rt1318_sdw_component_probe()
698 	.endianness = 1,
715 		.name = "rt1318-aif",
718 			.channels_min = 1,
725 			.channels_min = 1,
742 		return -ENOMEM;  in rt1318_sdw_init()
745 	rt1318->sdw_slave = slave;  in rt1318_sdw_init()
746 	rt1318->regmap = regmap;  in rt1318_sdw_init()
748 	regcache_cache_only(rt1318->regmap, true);  in rt1318_sdw_init()
754 	rt1318->hw_init = false;  in rt1318_sdw_init()
755 	rt1318->first_hw_init = false;  in rt1318_sdw_init()
776 	 * fail with -EACCESS because of race conditions between card creation and enumeration  in rt1318_sdw_init()
794 	return rt1318_sdw_init(&slave->dev, regmap, slave);  in rt1318_sdw_probe()
799 	pm_runtime_disable(&slave->dev);  in rt1318_sdw_remove()
814 	if (!rt1318->hw_init)  in rt1318_dev_suspend()
817 	regcache_cache_only(rt1318->regmap, true);  in rt1318_dev_suspend()
829 	if (!rt1318->first_hw_init)  in rt1318_dev_resume()
832 	if (!slave->unattach_request)  in rt1318_dev_resume()
835 	time = wait_for_completion_timeout(&slave->initialization_complete,  in rt1318_dev_resume()
838 		dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);  in rt1318_dev_resume()
839 		return -ETIMEDOUT;  in rt1318_dev_resume()
843 	slave->unattach_request = 0;  in rt1318_dev_resume()
844 	regcache_cache_only(rt1318->regmap, false);  in rt1318_dev_resume()
845 	regcache_sync(rt1318->regmap);  in rt1318_dev_resume()
857 		.name = "rt1318-sdca",