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"
208 static int rt722_sdca_update_status(struct sdw_slave *slave,  in rt722_sdca_update_status()  argument
211 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_update_status()
214 		rt722->hw_init = false;  in rt722_sdca_update_status()
217 		if (rt722->hs_jack) {  in rt722_sdca_update_status()
224 			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK1,  in rt722_sdca_update_status()
226 			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK2,  in rt722_sdca_update_status()
232 	 * Perform initialization only if slave status is present and  in rt722_sdca_update_status()
235 	if (rt722->hw_init || status != SDW_SLAVE_ATTACHED)  in rt722_sdca_update_status()
238 	/* perform I/O transfers required for Slave initialization */  in rt722_sdca_update_status()
239 	return rt722_sdca_io_init(&slave->dev, slave);  in rt722_sdca_update_status()
242 static int rt722_sdca_read_prop(struct sdw_slave *slave)  in rt722_sdca_read_prop()  argument
244 	struct sdw_slave_prop *prop = &slave->prop;  in rt722_sdca_read_prop()
248 	unsigned long addr;  in rt722_sdca_read_prop()  local
251 	sdw_slave_read_lane_mapping(slave);  in rt722_sdca_read_prop()
253 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;  in rt722_sdca_read_prop()
254 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;  in rt722_sdca_read_prop()
256 	prop->paging_support = true;  in rt722_sdca_read_prop()
260 	 * port = 2 for headset-mic capture  in rt722_sdca_read_prop()
262 	 * port = 6 for digital-mic capture  in rt722_sdca_read_prop()
264 	prop->source_ports = BIT(6) | BIT(2); /* BITMAP: 01000100 */  in rt722_sdca_read_prop()
265 	prop->sink_ports = BIT(3) | BIT(1); /* BITMAP:  00001010 */  in rt722_sdca_read_prop()
267 	nval = hweight32(prop->source_ports);  in rt722_sdca_read_prop()
268 	prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt722_sdca_read_prop()
269 		sizeof(*prop->src_dpn_prop), GFP_KERNEL);  in rt722_sdca_read_prop()
270 	if (!prop->src_dpn_prop)  in rt722_sdca_read_prop()
271 		return -ENOMEM;  in rt722_sdca_read_prop()
274 	dpn = prop->src_dpn_prop;  in rt722_sdca_read_prop()
275 	addr = prop->source_ports;  in rt722_sdca_read_prop()
276 	for_each_set_bit(bit, &addr, 32) {  in rt722_sdca_read_prop()
285 	nval = hweight32(prop->sink_ports);  in rt722_sdca_read_prop()
286 	prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,  in rt722_sdca_read_prop()
287 		sizeof(*prop->sink_dpn_prop), GFP_KERNEL);  in rt722_sdca_read_prop()
288 	if (!prop->sink_dpn_prop)  in rt722_sdca_read_prop()
289 		return -ENOMEM;  in rt722_sdca_read_prop()
292 	dpn = prop->sink_dpn_prop;  in rt722_sdca_read_prop()
293 	addr = prop->sink_ports;  in rt722_sdca_read_prop()
294 	for_each_set_bit(bit, &addr, 32) {  in rt722_sdca_read_prop()
303 	prop->clk_stop_timeout = 900;  in rt722_sdca_read_prop()
305 	/* wake-up event */  in rt722_sdca_read_prop()
306 	prop->wake_capable = 1;  in rt722_sdca_read_prop()
308 	/* Three data lanes are supported by rt722-sdca codec */  in rt722_sdca_read_prop()
309 	prop->lane_control_support = true;  in rt722_sdca_read_prop()
314 static int rt722_sdca_interrupt_callback(struct sdw_slave *slave,  in rt722_sdca_interrupt_callback()  argument
317 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_interrupt_callback()
322 	if (cancel_delayed_work_sync(&rt722->jack_detect_work)) {  in rt722_sdca_interrupt_callback()
323 		dev_warn(&slave->dev, "%s the pending delayed_work was cancelled", __func__);  in rt722_sdca_interrupt_callback()
325 		if (rt722->scp_sdca_stat2)  in rt722_sdca_interrupt_callback()
326 			scp_sdca_stat2 = rt722->scp_sdca_stat2;  in rt722_sdca_interrupt_callback()
336 	mutex_lock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
338 	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
341 	rt722->scp_sdca_stat1 = ret;  in rt722_sdca_interrupt_callback()
342 	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
345 	rt722->scp_sdca_stat2 = ret;  in rt722_sdca_interrupt_callback()
347 		rt722->scp_sdca_stat2 |= scp_sdca_stat2;  in rt722_sdca_interrupt_callback()
350 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
354 			ret = sdw_update_no_pm(rt722->slave, SDW_SCP_SDCA_INT1,  in rt722_sdca_interrupt_callback()
360 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
364 			ret = sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INT2,  in rt722_sdca_interrupt_callback()
371 		ret = sdw_read_no_pm(rt722->slave, SDW_DP0_INT);  in rt722_sdca_interrupt_callback()
376 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);  in rt722_sdca_interrupt_callback()
381 		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);  in rt722_sdca_interrupt_callback()
392 		dev_warn(&slave->dev,  in rt722_sdca_interrupt_callback()
394 			rt722->scp_sdca_stat1, rt722->scp_sdca_stat2);  in rt722_sdca_interrupt_callback()
396 	if (status->sdca_cascade && !rt722->disable_irq)  in rt722_sdca_interrupt_callback()
398 			&rt722->jack_detect_work, msecs_to_jiffies(280));  in rt722_sdca_interrupt_callback()
400 	mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
405 	mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_interrupt_callback()
416 static int rt722_sdca_sdw_probe(struct sdw_slave *slave,  in rt722_sdca_sdw_probe()  argument
422 	regmap = devm_regmap_init_sdw_mbq_cfg(slave, &rt722_sdca_regmap, &rt722_mbq_config);  in rt722_sdca_sdw_probe()
426 	return rt722_sdca_init(&slave->dev, regmap, slave);  in rt722_sdca_sdw_probe()
429 static int rt722_sdca_sdw_remove(struct sdw_slave *slave)  in rt722_sdca_sdw_remove()  argument
431 	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);  in rt722_sdca_sdw_remove()
433 	if (rt722->hw_init) {  in rt722_sdca_sdw_remove()
434 		cancel_delayed_work_sync(&rt722->jack_detect_work);  in rt722_sdca_sdw_remove()
435 		cancel_delayed_work_sync(&rt722->jack_btn_check_work);  in rt722_sdca_sdw_remove()
438 	if (rt722->first_hw_init)  in rt722_sdca_sdw_remove()
439 		pm_runtime_disable(&slave->dev);  in rt722_sdca_sdw_remove()
441 	mutex_destroy(&rt722->calibrate_mutex);  in rt722_sdca_sdw_remove()
442 	mutex_destroy(&rt722->disable_irq_lock);  in rt722_sdca_sdw_remove()
457 	if (!rt722->hw_init)  in rt722_sdca_dev_suspend()
460 	cancel_delayed_work_sync(&rt722->jack_detect_work);  in rt722_sdca_dev_suspend()
461 	cancel_delayed_work_sync(&rt722->jack_btn_check_work);  in rt722_sdca_dev_suspend()
463 	regcache_cache_only(rt722->regmap, true);  in rt722_sdca_dev_suspend()
471 	struct sdw_slave *slave = dev_to_sdw_dev(dev);  in rt722_sdca_dev_system_suspend()  local
474 	if (!rt722_sdca->hw_init)  in rt722_sdca_dev_system_suspend()
482 	mutex_lock(&rt722_sdca->disable_irq_lock);  in rt722_sdca_dev_system_suspend()
483 	rt722_sdca->disable_irq = true;  in rt722_sdca_dev_system_suspend()
484 	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,  in rt722_sdca_dev_system_suspend()
486 	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,  in rt722_sdca_dev_system_suspend()
488 	mutex_unlock(&rt722_sdca->disable_irq_lock);  in rt722_sdca_dev_system_suspend()
492 		dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);  in rt722_sdca_dev_system_suspend()
502 	struct sdw_slave *slave = dev_to_sdw_dev(dev);  in rt722_sdca_dev_resume()  local
506 	if (!rt722->first_hw_init)  in rt722_sdca_dev_resume()
509 	if (!slave->unattach_request) {  in rt722_sdca_dev_resume()
510 		mutex_lock(&rt722->disable_irq_lock);  in rt722_sdca_dev_resume()
511 		if (rt722->disable_irq == true) {  in rt722_sdca_dev_resume()
512 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);  in rt722_sdca_dev_resume()
513 			sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);  in rt722_sdca_dev_resume()
514 			rt722->disable_irq = false;  in rt722_sdca_dev_resume()
516 		mutex_unlock(&rt722->disable_irq_lock);  in rt722_sdca_dev_resume()
520 	time = wait_for_completion_timeout(&slave->initialization_complete,  in rt722_sdca_dev_resume()
523 		dev_err(&slave->dev, "Initialization not complete, timed out\n");  in rt722_sdca_dev_resume()
524 		sdw_show_ping_status(slave->bus, true);  in rt722_sdca_dev_resume()
526 		return -ETIMEDOUT;  in rt722_sdca_dev_resume()
530 	slave->unattach_request = 0;  in rt722_sdca_dev_resume()
531 	regcache_cache_only(rt722->regmap, false);  in rt722_sdca_dev_resume()
532 	regcache_sync(rt722->regmap);  in rt722_sdca_dev_resume()
543 		.name = "rt722-sdca",