1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt5682-sdw.c  --  RT5682 ALSA SoC audio component driver
12 #include <linux/delay.h>
27 #include <sound/soc-dapm.h>
45 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 0);  in rt5682_sdw_read()
46 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);  in rt5682_sdw_read()
47 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));  in rt5682_sdw_read()
48 	regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_H, &data_h);  in rt5682_sdw_read()
49 	regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_L, &data_l);  in rt5682_sdw_read()
63 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 1);  in rt5682_sdw_write()
64 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);  in rt5682_sdw_write()
65 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));  in rt5682_sdw_write()
66 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_H, (val >> 8) & 0xff);  in rt5682_sdw_write()
67 	regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_L, (val & 0xff));  in rt5682_sdw_write()
107 	struct snd_soc_component *component = dai->component;  in rt5682_sdw_hw_params()
115 	dev_dbg(dai->dev, "%s %s", __func__, dai->name);  in rt5682_sdw_hw_params()
119 		return -ENOMEM;  in rt5682_sdw_hw_params()
121 	if (!rt5682->slave)  in rt5682_sdw_hw_params()
122 		return -EINVAL;  in rt5682_sdw_hw_params()
127 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in rt5682_sdw_hw_params()
132 	retval = sdw_stream_add_slave(rt5682->slave, &stream_config,  in rt5682_sdw_hw_params()
135 		dev_err(dai->dev, "%s: Unable to configure port\n", __func__);  in rt5682_sdw_hw_params()
193 		return -EINVAL;  in rt5682_sdw_hw_params()
207 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in rt5682_sdw_hw_params()
208 		regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,  in rt5682_sdw_hw_params()
210 		regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,  in rt5682_sdw_hw_params()
213 		regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,  in rt5682_sdw_hw_params()
215 		regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,  in rt5682_sdw_hw_params()
225 	struct snd_soc_component *component = dai->component;  in rt5682_sdw_hw_free()
230 	if (!rt5682->slave)  in rt5682_sdw_hw_free()
231 		return -EINVAL;  in rt5682_sdw_hw_free()
233 	sdw_stream_remove_slave(rt5682->slave, sdw_stream);  in rt5682_sdw_hw_free()
246 		.name = "rt5682-aif1",
265 		.name = "rt5682-aif2",
277 		.name = "rt5682-sdw",
305 		return -ENOMEM;  in rt5682_sdw_init()
308 	rt5682->slave = slave;  in rt5682_sdw_init()
309 	rt5682->sdw_regmap = regmap;  in rt5682_sdw_init()
310 	rt5682->is_sdw = true;  in rt5682_sdw_init()
312 	mutex_init(&rt5682->disable_irq_lock);  in rt5682_sdw_init()
314 	rt5682->regmap = devm_regmap_init(dev, NULL, dev,  in rt5682_sdw_init()
316 	if (IS_ERR(rt5682->regmap)) {  in rt5682_sdw_init()
317 		ret = PTR_ERR(rt5682->regmap);  in rt5682_sdw_init()
328 	regcache_cache_only(rt5682->sdw_regmap, true);  in rt5682_sdw_init()
329 	regcache_cache_only(rt5682->regmap, true);  in rt5682_sdw_init()
335 	rt5682->hw_init = false;  in rt5682_sdw_init()
336 	rt5682->first_hw_init = false;  in rt5682_sdw_init()
338 	mutex_init(&rt5682->calibrate_mutex);  in rt5682_sdw_init()
339 	INIT_DELAYED_WORK(&rt5682->jack_detect_work,  in rt5682_sdw_init()
348 	/* set autosuspend parameters */  in rt5682_sdw_init()
360 	 * fail with -EACCESS because of race conditions between card creation and enumeration  in rt5682_sdw_init()
374 	rt5682->disable_irq = false;  in rt5682_io_init()
376 	if (rt5682->hw_init)  in rt5682_io_init()
379 	regcache_cache_only(rt5682->sdw_regmap, false);  in rt5682_io_init()
380 	regcache_cache_only(rt5682->regmap, false);  in rt5682_io_init()
381 	if (rt5682->first_hw_init)  in rt5682_io_init()
382 		regcache_cache_bypass(rt5682->regmap, true);  in rt5682_io_init()
387 	if (!rt5682->first_hw_init)  in rt5682_io_init()
389 		pm_runtime_set_active(&slave->dev);  in rt5682_io_init()
391 	pm_runtime_get_noresume(&slave->dev);  in rt5682_io_init()
394 		regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);  in rt5682_io_init()
399 		loop--;  in rt5682_io_init()
404 		ret = -ENODEV;  in rt5682_io_init()
410 	if (rt5682->first_hw_init) {  in rt5682_io_init()
411 		regcache_cache_bypass(rt5682->regmap, false);  in rt5682_io_init()
412 		regcache_mark_dirty(rt5682->regmap);  in rt5682_io_init()
413 		regcache_sync(rt5682->regmap);  in rt5682_io_init()
416 		regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,  in rt5682_io_init()
424 	regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);  in rt5682_io_init()
426 	regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,  in rt5682_io_init()
429 	regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0080);  in rt5682_io_init()
430 	regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);  in rt5682_io_init()
431 	regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,  in rt5682_io_init()
433 	regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,  in rt5682_io_init()
435 	regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,  in rt5682_io_init()
439 	regmap_write(rt5682->regmap, RT5682_PLL2_INTERNAL, 0xa266);  in rt5682_io_init()
440 	regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_1, 0x1700);  in rt5682_io_init()
441 	regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_2, 0x0006);  in rt5682_io_init()
442 	regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_3, 0x2600);  in rt5682_io_init()
443 	regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_4, 0x0c8f);  in rt5682_io_init()
444 	regmap_write(rt5682->regmap, RT5682_PLL_TRACK_2, 0x3000);  in rt5682_io_init()
445 	regmap_write(rt5682->regmap, RT5682_PLL_TRACK_3, 0x4000);  in rt5682_io_init()
446 	regmap_update_bits(rt5682->regmap, RT5682_GLB_CLK,  in rt5682_io_init()
450 	regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,  in rt5682_io_init()
452 	regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd142);  in rt5682_io_init()
453 	regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_5, 0x0700, 0x0600);  in rt5682_io_init()
454 	regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3,  in rt5682_io_init()
456 	regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1,  in rt5682_io_init()
458 	regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,  in rt5682_io_init()
462 	regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_2,  in rt5682_io_init()
464 	regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2,  in rt5682_io_init()
470 		&rt5682->jack_detect_work, msecs_to_jiffies(250));  in rt5682_io_init()
473 	rt5682->hw_init = true;  in rt5682_io_init()
474 	rt5682->first_hw_init = true;  in rt5682_io_init()
477 	pm_runtime_put_autosuspend(&slave->dev);  in rt5682_io_init()
479 	dev_dbg(&slave->dev, "%s hw_init complete: %d\n", __func__, ret);  in rt5682_io_init()
514 	struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);  in rt5682_update_status()
517 		rt5682->hw_init = false;  in rt5682_update_status()
523 	if (rt5682->hw_init || status != SDW_SLAVE_ATTACHED)  in rt5682_update_status()
527 	return rt5682_io_init(&slave->dev, slave);  in rt5682_update_status()
532 	struct sdw_slave_prop *prop = &slave->prop;  in rt5682_read_prop()
538 	prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |  in rt5682_read_prop()
540 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;  in rt5682_read_prop()
542 	prop->paging_support = false;  in rt5682_read_prop()
545 	prop->source_ports = 0x4;	/* BITMAP: 00000100 */  in rt5682_read_prop()
546 	prop->sink_ports = 0x2;		/* BITMAP: 00000010 */  in rt5682_read_prop()
548 	nval = hweight32(prop->source_ports);  in rt5682_read_prop()
549 	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt5682_read_prop()
550 					  sizeof(*prop->src_dpn_prop),  in rt5682_read_prop()
552 	if (!prop->src_dpn_prop)  in rt5682_read_prop()
553 		return -ENOMEM;  in rt5682_read_prop()
556 	dpn = prop->src_dpn_prop;  in rt5682_read_prop()
557 	addr = prop->source_ports;  in rt5682_read_prop()
567 	nval = hweight32(prop->sink_ports);  in rt5682_read_prop()
568 	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt5682_read_prop()
569 					   sizeof(*prop->sink_dpn_prop),  in rt5682_read_prop()
571 	if (!prop->sink_dpn_prop)  in rt5682_read_prop()
572 		return -ENOMEM;  in rt5682_read_prop()
575 	dpn = prop->sink_dpn_prop;  in rt5682_read_prop()
576 	addr = prop->sink_ports;  in rt5682_read_prop()
586 	prop->clk_stop_timeout = 20;  in rt5682_read_prop()
588 	/* wake-up event */  in rt5682_read_prop()
589 	prop->wake_capable = 1;  in rt5682_read_prop()
607 	clk_freq = (rt5682->params.curr_dr_freq >> 1);  in rt5682_clock_config()
629 		return -EINVAL;  in rt5682_clock_config()
632 	regmap_write(rt5682->sdw_regmap, 0xe0, value);  in rt5682_clock_config()
633 	regmap_write(rt5682->sdw_regmap, 0xf0, value);  in rt5682_clock_config()
643 	struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);  in rt5682_bus_config()
646 	memcpy(&rt5682->params, params, sizeof(*params));  in rt5682_bus_config()
648 	ret = rt5682_clock_config(&slave->dev);  in rt5682_bus_config()
650 		dev_err(&slave->dev, "%s: Invalid clk config", __func__);  in rt5682_bus_config()
658 	struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);  in rt5682_interrupt_callback()
660 	dev_dbg(&slave->dev,  in rt5682_interrupt_callback()
661 		"%s control_port_stat=%x", __func__, status->control_port);  in rt5682_interrupt_callback()
663 	mutex_lock(&rt5682->disable_irq_lock);  in rt5682_interrupt_callback()
664 	if (status->control_port & 0x4 && !rt5682->disable_irq) {  in rt5682_interrupt_callback()
666 			&rt5682->jack_detect_work, msecs_to_jiffies(rt5682->irq_work_delay_time));  in rt5682_interrupt_callback()
668 	mutex_unlock(&rt5682->disable_irq_lock);  in rt5682_interrupt_callback()
688 		return -EINVAL;  in rt5682_sdw_probe()
690 	return rt5682_sdw_init(&slave->dev, regmap, slave);  in rt5682_sdw_probe()
695 	struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);  in rt5682_sdw_remove()
697 	if (rt5682->hw_init)  in rt5682_sdw_remove()
698 		cancel_delayed_work_sync(&rt5682->jack_detect_work);  in rt5682_sdw_remove()
700 	pm_runtime_disable(&slave->dev);  in rt5682_sdw_remove()
715 	if (!rt5682->hw_init)  in rt5682_dev_suspend()
718 	cancel_delayed_work_sync(&rt5682->jack_detect_work);  in rt5682_dev_suspend()
720 	regcache_cache_only(rt5682->sdw_regmap, true);  in rt5682_dev_suspend()
721 	regcache_cache_only(rt5682->regmap, true);  in rt5682_dev_suspend()
722 	regcache_mark_dirty(rt5682->regmap);  in rt5682_dev_suspend()
733 	if (!rt5682->hw_init)  in rt5682_dev_system_suspend()
741 	mutex_lock(&rt5682->disable_irq_lock);  in rt5682_dev_system_suspend()
742 	rt5682->disable_irq = true;  in rt5682_dev_system_suspend()
745 	mutex_unlock(&rt5682->disable_irq_lock);  in rt5682_dev_system_suspend()
749 		dev_dbg(&slave->dev, "%s: could not disable imp-def interrupts\n:", __func__);  in rt5682_dev_system_suspend()
761 	if (!rt5682->first_hw_init)  in rt5682_dev_resume()
764 	if (!slave->unattach_request) {  in rt5682_dev_resume()
765 		mutex_lock(&rt5682->disable_irq_lock);  in rt5682_dev_resume()
766 		if (rt5682->disable_irq == true) {  in rt5682_dev_resume()
768 			rt5682->disable_irq = false;  in rt5682_dev_resume()
770 		mutex_unlock(&rt5682->disable_irq_lock);  in rt5682_dev_resume()
774 	time = wait_for_completion_timeout(&slave->initialization_complete,  in rt5682_dev_resume()
777 		dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);  in rt5682_dev_resume()
778 		sdw_show_ping_status(slave->bus, true);  in rt5682_dev_resume()
780 		return -ETIMEDOUT;  in rt5682_dev_resume()
784 	slave->unattach_request = 0;  in rt5682_dev_resume()
785 	regcache_cache_only(rt5682->sdw_regmap, false);  in rt5682_dev_resume()
786 	regcache_cache_only(rt5682->regmap, false);  in rt5682_dev_resume()
787 	regcache_sync(rt5682->regmap);  in rt5682_dev_resume()