1 // SPDX-License-Identifier: GPL-2.0-only
3 // rt722-sdca-sdw.c -- rt722 SDCA ALSA SoC audio driver
16 #include "rt722-sdca.h"
17 #include "rt722-sdca-sdw.h"
19 static bool rt722_sdca_readable_register(struct device *dev, unsigned int reg)  in rt722_sdca_readable_register()  argument
41 static bool rt722_sdca_volatile_register(struct device *dev, unsigned int reg)  in rt722_sdca_volatile_register()  argument
58 static bool rt722_sdca_mbq_readable_register(struct device *dev, unsigned int reg)  in rt722_sdca_mbq_readable_register()  argument
121 static bool rt722_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)  in rt722_sdca_mbq_volatile_register()  argument
154 	.name = "sdw-mbq",
167 static int rt722_sdca_update_status(struct sdw_slave *slave,  in rt722_sdca_update_status()  argument
170 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_update_status()
173 		rt722->hw_init = false;  in rt722_sdca_update_status()
176 		if (rt722->hs_jack) {  in rt722_sdca_update_status()
183 			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK1,  in rt722_sdca_update_status()
185 			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK2,  in rt722_sdca_update_status()
191 	 * Perform initialization only if slave status is present and  in rt722_sdca_update_status()
194 	if (rt722->hw_init || status != SDW_SLAVE_ATTACHED)  in rt722_sdca_update_status()
197 	/* perform I/O transfers required for Slave initialization */  in rt722_sdca_update_status()
198 	return rt722_sdca_io_init(&slave->dev, slave);  in rt722_sdca_update_status()
201 static int rt722_sdca_read_prop(struct sdw_slave *slave)  in rt722_sdca_read_prop()  argument
203 	struct sdw_slave_prop *prop = &slave->prop;  in rt722_sdca_read_prop()
210 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;  in rt722_sdca_read_prop()
211 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;  in rt722_sdca_read_prop()
213 	prop->paging_support = true;  in rt722_sdca_read_prop()
217 	 * port = 2 for headset-mic capture  in rt722_sdca_read_prop()
219 	 * port = 6 for digital-mic capture  in rt722_sdca_read_prop()
221 	prop->source_ports = BIT(6) | BIT(2); /* BITMAP: 01000100 */  in rt722_sdca_read_prop()
222 	prop->sink_ports = BIT(3) | BIT(1); /* BITMAP:  00001010 */  in rt722_sdca_read_prop()
224 	nval = hweight32(prop->source_ports);  in rt722_sdca_read_prop()
225 	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt722_sdca_read_prop()
226 		sizeof(*prop->src_dpn_prop), GFP_KERNEL);  in rt722_sdca_read_prop()
227 	if (!prop->src_dpn_prop)  in rt722_sdca_read_prop()
228 		return -ENOMEM;  in rt722_sdca_read_prop()
231 	dpn = prop->src_dpn_prop;  in rt722_sdca_read_prop()
232 	addr = prop->source_ports;  in rt722_sdca_read_prop()
242 	nval = hweight32(prop->sink_ports);  in rt722_sdca_read_prop()
243 	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt722_sdca_read_prop()
244 		sizeof(*prop->sink_dpn_prop), GFP_KERNEL);  in rt722_sdca_read_prop()
245 	if (!prop->sink_dpn_prop)  in rt722_sdca_read_prop()
246 		return -ENOMEM;  in rt722_sdca_read_prop()
249 	dpn = prop->sink_dpn_prop;  in rt722_sdca_read_prop()
250 	addr = prop->sink_ports;  in rt722_sdca_read_prop()
260 	prop->clk_stop_timeout = 900;  in rt722_sdca_read_prop()
262 	/* wake-up event */  in rt722_sdca_read_prop()
263 	prop->wake_capable = 1;  in rt722_sdca_read_prop()
265 	/* Three data lanes are supported by rt722-sdca codec */  in rt722_sdca_read_prop()
266 	prop->lane_control_support = true;  in rt722_sdca_read_prop()
271 static int rt722_sdca_interrupt_callback(struct sdw_slave *slave,  in rt722_sdca_interrupt_callback()  argument
274 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_interrupt_callback()
279 	if (cancel_delayed_work_sync(&rt722->jack_detect_work)) {  in rt722_sdca_interrupt_callback()
280 		dev_warn(&slave->dev, "%s the pending delayed_work was cancelled", __func__);  in rt722_sdca_interrupt_callback()
282 		if (rt722->scp_sdca_stat2)  in rt722_sdca_interrupt_callback()
283 			scp_sdca_stat2 = rt722->scp_sdca_stat2;  in rt722_sdca_interrupt_callback()
293 	mutex_lock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
295 	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
298 	rt722->scp_sdca_stat1 = ret;  in rt722_sdca_interrupt_callback()
299 	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
302 	rt722->scp_sdca_stat2 = ret;  in rt722_sdca_interrupt_callback()
304 		rt722->scp_sdca_stat2 |= scp_sdca_stat2;  in rt722_sdca_interrupt_callback()
307 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
311 			ret = sdw_update_no_pm(rt722->slave, SDW_SCP_SDCA_INT1,  in rt722_sdca_interrupt_callback()
317 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
321 			ret = sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INT2,  in rt722_sdca_interrupt_callback()
328 		ret = sdw_read_no_pm(rt722->slave, SDW_DP0_INT);  in rt722_sdca_interrupt_callback()
333 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
338 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
349 		dev_warn(&slave->dev,  in rt722_sdca_interrupt_callback()
351 			rt722->scp_sdca_stat1, rt722->scp_sdca_stat2);  in rt722_sdca_interrupt_callback()
353 	if (status->sdca_cascade && !rt722->disable_irq)  in rt722_sdca_interrupt_callback()
355 			&rt722->jack_detect_work, msecs_to_jiffies(280));  in rt722_sdca_interrupt_callback()
357 	mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
362 	mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
373 static int rt722_sdca_sdw_probe(struct sdw_slave *slave,  in rt722_sdca_sdw_probe()  argument
379 	mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt722_sdca_mbq_regmap);  in rt722_sdca_sdw_probe()
383 	regmap = devm_regmap_init_sdw(slave, &rt722_sdca_regmap);  in rt722_sdca_sdw_probe()
387 	return rt722_sdca_init(&slave->dev, regmap, mbq_regmap, slave);  in rt722_sdca_sdw_probe()
390 static int rt722_sdca_sdw_remove(struct sdw_slave *slave)  in rt722_sdca_sdw_remove()  argument
392 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_sdw_remove()
394 	if (rt722->hw_init) {  in rt722_sdca_sdw_remove()
395 		cancel_delayed_work_sync(&rt722->jack_detect_work);  in rt722_sdca_sdw_remove()
396 		cancel_delayed_work_sync(&rt722->jack_btn_check_work);  in rt722_sdca_sdw_remove()
399 	if (rt722->first_hw_init)  in rt722_sdca_sdw_remove()
400 		pm_runtime_disable(&slave->dev);  in rt722_sdca_sdw_remove()
402 	mutex_destroy(&rt722->calibrate_mutex);  in rt722_sdca_sdw_remove()
403 	mutex_destroy(&rt722->disable_irq_lock);  in rt722_sdca_sdw_remove()
414 static int __maybe_unused rt722_sdca_dev_suspend(struct device *dev)  in rt722_sdca_dev_suspend()  argument
416 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(dev);  in rt722_sdca_dev_suspend()
418 	if (!rt722->hw_init)  in rt722_sdca_dev_suspend()
421 	cancel_delayed_work_sync(&rt722->jack_detect_work);  in rt722_sdca_dev_suspend()
422 	cancel_delayed_work_sync(&rt722->jack_btn_check_work);  in rt722_sdca_dev_suspend()
424 	regcache_cache_only(rt722->regmap, true);  in rt722_sdca_dev_suspend()
425 	regcache_cache_only(rt722->mbq_regmap, true);  in rt722_sdca_dev_suspend()
430 static int __maybe_unused rt722_sdca_dev_system_suspend(struct device *dev)  in rt722_sdca_dev_system_suspend()  argument
432 	struct rt722_sdca_priv *rt722_sdca = dev_get_drvdata(dev);  in rt722_sdca_dev_system_suspend()
433 	struct sdw_slave *slave = dev_to_sdw_dev(dev);  in rt722_sdca_dev_system_suspend()  local
436 	if (!rt722_sdca->hw_init)  in rt722_sdca_dev_system_suspend()
444 	mutex_lock(&rt722_sdca->disable_irq_lock);  in rt722_sdca_dev_system_suspend()
445 	rt722_sdca->disable_irq = true;  in rt722_sdca_dev_system_suspend()
446 	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,  in rt722_sdca_dev_system_suspend()
448 	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,  in rt722_sdca_dev_system_suspend()
450 	mutex_unlock(&rt722_sdca->disable_irq_lock);  in rt722_sdca_dev_system_suspend()
454 		dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);  in rt722_sdca_dev_system_suspend()
457 	return rt722_sdca_dev_suspend(dev);  in rt722_sdca_dev_system_suspend()
462 static int __maybe_unused rt722_sdca_dev_resume(struct device *dev)  in rt722_sdca_dev_resume()  argument
464 	struct sdw_slave *slave = dev_to_sdw_dev(dev);  in rt722_sdca_dev_resume()  local
465 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(dev);  in rt722_sdca_dev_resume()
468 	if (!rt722->first_hw_init)  in rt722_sdca_dev_resume()
471 	if (!slave->unattach_request) {  in rt722_sdca_dev_resume()
472 		mutex_lock(&rt722->disable_irq_lock);  in rt722_sdca_dev_resume()
473 		if (rt722->disable_irq == true) {  in rt722_sdca_dev_resume()
474 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);  in rt722_sdca_dev_resume()
475 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);  in rt722_sdca_dev_resume()
476 			rt722->disable_irq = false;  in rt722_sdca_dev_resume()
478 		mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_dev_resume()
482 	time = wait_for_completion_timeout(&slave->initialization_complete,  in rt722_sdca_dev_resume()
485 		dev_err(&slave->dev, "Initialization not complete, timed out\n");  in rt722_sdca_dev_resume()
486 		sdw_show_ping_status(slave->bus, true);  in rt722_sdca_dev_resume()
488 		return -ETIMEDOUT;  in rt722_sdca_dev_resume()
492 	slave->unattach_request = 0;  in rt722_sdca_dev_resume()
493 	regcache_cache_only(rt722->regmap, false);  in rt722_sdca_dev_resume()
494 	regcache_sync(rt722->regmap);  in rt722_sdca_dev_resume()
495 	regcache_cache_only(rt722->mbq_regmap, false);  in rt722_sdca_dev_resume()
496 	regcache_sync(rt722->mbq_regmap);  in rt722_sdca_dev_resume()
507 		.name = "rt722-sdca",